Merge branch 'main' into scaling

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
         run: |
            sed -i 's/SigLevel    = Required DatabaseOptional/SigLevel    = Optional TrustAll/' /etc/pacman.conf
            pacman --noconfirm --noprogressbar -Syyu
-           pacman --noconfirm --noprogressbar -Sy glslang libepoxy libfontenc libxcvt libxfont2 libxkbfile vulkan-headers vulkan-validation-layers xcb-util-errors xcb-util-renderutil xcb-util-wm xorg-fonts-encodings xorg-server-common xorg-setxkbmap xorg-xkbcomp xorg-xwayland git cmake go clang lld libc++ pkgconf meson ninja wayland wayland-protocols libinput libxkbcommon pixman glm libdrm libglvnd cairo pango systemd scdoc base-devel seatd
+           pacman --noconfirm --noprogressbar -Sy glslang libepoxy libfontenc libxcvt libxfont2 libxkbfile vulkan-headers vulkan-validation-layers xcb-util-errors xcb-util-renderutil xcb-util-wm xorg-fonts-encodings xorg-server-common xorg-setxkbmap xorg-xkbcomp xorg-xwayland git cmake go clang lld libc++ pkgconf meson ninja wayland wayland-protocols libinput libxkbcommon pixman glm libdrm libglvnd cairo pango systemd scdoc base-devel seatd python
       - name: Set up user
         run: |
           useradd -m githubuser
@@ -62,7 +62,7 @@ jobs:
         run: |
           sed -i 's/SigLevel    = Required DatabaseOptional/SigLevel    = Optional TrustAll/' /etc/pacman.conf
           pacman --noconfirm --noprogressbar -Syyu
-          pacman --noconfirm --noprogressbar -Sy glslang libepoxy libfontenc libxcvt libxfont2 libxkbfile vulkan-headers vulkan-validation-layers git go clang lld libc++ pkgconf meson ninja wayland wayland-protocols libinput libxkbcommon pixman glm libdrm libglvnd cairo pango systemd scdoc base-devel seatd cmake jq
+          pacman --noconfirm --noprogressbar -Sy glslang libepoxy libfontenc libxcvt libxfont2 libxkbfile vulkan-headers vulkan-validation-layers git go clang lld libc++ pkgconf meson ninja wayland wayland-protocols libinput libxkbcommon pixman glm libdrm libglvnd cairo pango systemd scdoc base-devel seatd cmake jq python
       - name: Checkout Hyprland
         uses: actions/checkout@v3
         with:

.gitignore

@@ -20,6 +20,7 @@ result*
 *-protocol.c
 *-protocol.h
 .ccls-cache
+*.so
 
 hyprctl/hyprctl
 

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "subprojects/hyprland-protocols"]
 	path = subprojects/hyprland-protocols
 	url = https://github.com/hyprwm/hyprland-protocols
+[submodule "subprojects/udis86"]
+	path = subprojects/udis86
+	url = https://github.com/canihavesomecoffee/udis86

CMakeLists.txt

@@ -52,9 +52,10 @@ ENDIF(CMAKE_BUILD_TYPE MATCHES Debug OR CMAKE_BUILD_TYPE MATCHES DEBUG)
 
 include_directories(. PRIVATE "subprojects/wlroots/include/")
 include_directories(. PRIVATE "subprojects/wlroots/build/include/")
+include_directories(. PRIVATE "subprojects/udis86/")
 set(CMAKE_CXX_STANDARD 23)
 add_compile_options(-DWLR_USE_UNSTABLE)
-add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value -Wno-missing-field-initializers -Wno-narrowing)
+add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value -Wno-missing-field-initializers -Wno-narrowing -Wno-pointer-arith)
 ADD_LINK_OPTIONS( -rdynamic )
 SET(CMAKE_ENABLE_EXPORTS TRUE)
 
@@ -139,4 +140,5 @@ target_link_libraries(Hyprland
         ${CMAKE_SOURCE_DIR}/wlr-foreign-toplevel-management-unstable-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/hyprland-toplevel-export-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/fractional-scale-v1-protocol.o
+        ${CMAKE_SOURCE_DIR}/subprojects/udis86/build/libudis86/liblibudis86.a
 )

Makefile

@@ -157,6 +157,7 @@ all:
 	make clear
 	make fixwlr
 	cd ./subprojects/wlroots && meson build/ --buildtype=release && ninja -C build/ && cp ./build/libwlroots.so.12032 /usr/lib/ && cd ../..
+	cd subprojects/udis86 && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -H./ -B./build -G Ninja && cmake --build ./build --config Release --target all -j$(shell nproc)
 	make protocols
 	make release
 	cd hyprctl && make all && cd ..
@@ -165,6 +166,7 @@ install:
 	make clear
 	make fixwlr
 	cd ./subprojects/wlroots && meson build/ --buildtype=release && ninja -C build/ && cp ./build/libwlroots.so.12032 /usr/lib/ && cd ../..
+	cd subprojects/udis86 && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -H./ -B./build -G Ninja && cmake --build ./build --config Release --target all -j$(shell nproc) && cd ../..
 	make protocols
 	make release
 	cd hyprctl && make all && cd ..
@@ -211,6 +213,18 @@ config:
 
 	cd subprojects/wlroots && ninja -C build/ install
 
+	cd subprojects/udis86 && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -H./ -B./build -G Ninja && cmake --build ./build --config Release --target all -j$(shell nproc)
+
+pluginenv:
+	make protocols
+
+	cd subprojects/udis86 && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -H./ -B./build -G Ninja && cmake --build ./build --config Release --target all -j$(shell nproc)
+	
+	make fixwlr
+	
+	cd subprojects/wlroots && meson ./build --prefix=/usr --buildtype=release -Dwerror=false -Dexamples=false
+	cd subprojects/wlroots && ninja -C build/
+
 configdebug:
 	make protocols
 

README.md

@@ -42,6 +42,7 @@ Although Hyprland is pretty stable, it may have some bugs.
 # Features
 
 - Easily expandable and readable codebase
+- Plugin support
 - Config reloaded instantly upon saving
 - Custom bezier curve based animations
 - Dual Kawase blur

example/examplePlugin/Makefile

@@ -0,0 +1,8 @@
+# compile with HYPRLAND_HEADERS=<path_to_hl> make all
+# make sure that the path above is to the root hl repo directory, NOT src/
+# and that you have ran `make protocols` in the hl dir.
+
+all:
+	g++ -shared -fPIC --no-gnu-unique main.cpp customLayout.cpp customDecoration.cpp -o examplePlugin.so -g -I "/usr/include/pixman-1" -I "/usr/include/libdrm" -I "${HYPRLAND_HEADERS}" -std=c++23
+clean:
+	rm ./examplePlugin.so

example/examplePlugin/customDecoration.cpp

@@ -0,0 +1,74 @@
+#include "customDecoration.hpp"
+#include "../../src/Window.hpp"
+#include "../../src/Compositor.hpp"
+#include "globals.hpp"
+
+CCustomDecoration::CCustomDecoration(CWindow* pWindow) {
+    m_pWindow         = pWindow;
+    m_vLastWindowPos  = pWindow->m_vRealPosition.vec();
+    m_vLastWindowSize = pWindow->m_vRealSize.vec();
+}
+
+CCustomDecoration::~CCustomDecoration() {
+    damageEntire();
+}
+
+SWindowDecorationExtents CCustomDecoration::getWindowDecorationExtents() {
+    return m_seExtents;
+}
+
+void CCustomDecoration::draw(CMonitor* pMonitor, float a, const Vector2D& offset) {
+    if (!g_pCompositor->windowValidMapped(m_pWindow))
+        return;
+
+    if (!m_pWindow->m_sSpecialRenderData.decorate)
+        return;
+
+    static auto* const PCOLOR      = &HyprlandAPI::getConfigValue(PHANDLE, "plugin:example:border_color")->intValue;
+    static auto* const PROUNDING   = &HyprlandAPI::getConfigValue(PHANDLE, "decoration:rounding")->intValue;
+    static auto* const PBORDERSIZE = &HyprlandAPI::getConfigValue(PHANDLE, "general:border_size")->intValue;
+
+    const auto         ROUNDING = !m_pWindow->m_sSpecialRenderData.rounding ?
+                0 :
+                (m_pWindow->m_sAdditionalConfigData.rounding.toUnderlying() == -1 ? *PROUNDING : m_pWindow->m_sAdditionalConfigData.rounding.toUnderlying());
+
+    // draw the border
+    wlr_box fullBox = {(int)(m_vLastWindowPos.x - *PBORDERSIZE), (int)(m_vLastWindowPos.y - *PBORDERSIZE), (int)(m_vLastWindowSize.x + 2.0 * *PBORDERSIZE),
+                       (int)(m_vLastWindowSize.y + 2.0 * *PBORDERSIZE)};
+
+    fullBox.x -= pMonitor->vecPosition.x;
+    fullBox.y -= pMonitor->vecPosition.y;
+
+    m_seExtents = {{m_vLastWindowPos.x - fullBox.x - pMonitor->vecPosition.x + 2, m_vLastWindowPos.y - fullBox.y - pMonitor->vecPosition.y + 2},
+                   {fullBox.x + fullBox.width + pMonitor->vecPosition.x - m_vLastWindowPos.x - m_vLastWindowSize.x + 2,
+                    fullBox.y + fullBox.height + pMonitor->vecPosition.y - m_vLastWindowPos.y - m_vLastWindowSize.y + 2}};
+
+    fullBox.x += offset.x;
+    fullBox.y += offset.y;
+
+    if (fullBox.width < 1 || fullBox.height < 1)
+        return; // don't draw invisible shadows
+
+    g_pHyprOpenGL->scissor((wlr_box*)nullptr);
+
+    scaleBox(&fullBox, pMonitor->scale);
+    g_pHyprOpenGL->renderBorder(&fullBox, CColor(*PCOLOR), *PROUNDING * pMonitor->scale + *PBORDERSIZE * 2, a);
+}
+
+eDecorationType CCustomDecoration::getDecorationType() {
+    return DECORATION_CUSTOM;
+}
+
+void CCustomDecoration::updateWindow(CWindow* pWindow) {
+
+    m_vLastWindowPos  = pWindow->m_vRealPosition.vec();
+    m_vLastWindowSize = pWindow->m_vRealSize.vec();
+
+    damageEntire();
+}
+
+void CCustomDecoration::damageEntire() {
+    wlr_box dm = {(int)(m_vLastWindowPos.x - m_seExtents.topLeft.x), (int)(m_vLastWindowPos.y - m_seExtents.topLeft.y),
+                  (int)(m_vLastWindowSize.x + m_seExtents.topLeft.x + m_seExtents.bottomRight.x), (int)m_seExtents.topLeft.y};
+    g_pHyprRenderer->damageBox(&dm);
+}

example/examplePlugin/customDecoration.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#define WLR_USE_UNSTABLE
+
+#include "../../src/render/decorations/IHyprWindowDecoration.hpp"
+
+class CCustomDecoration : public IHyprWindowDecoration {
+  public:
+    CCustomDecoration(CWindow*);
+    virtual ~CCustomDecoration();
+
+    virtual SWindowDecorationExtents getWindowDecorationExtents();
+
+    virtual void                     draw(CMonitor*, float a, const Vector2D& offset);
+
+    virtual eDecorationType          getDecorationType();
+
+    virtual void                     updateWindow(CWindow*);
+
+    virtual void                     damageEntire();
+
+  private:
+    SWindowDecorationExtents m_seExtents;
+
+    CWindow*                 m_pWindow = nullptr;
+
+    Vector2D                 m_vLastWindowPos;
+    Vector2D                 m_vLastWindowSize;
+};

example/examplePlugin/customLayout.cpp

@@ -0,0 +1,80 @@
+#include "customLayout.hpp"
+#include "../../src/Compositor.hpp"
+#include "globals.hpp"
+
+void CHyprCustomLayout::onWindowCreatedTiling(CWindow* pWindow) {
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
+    const auto SIZE     = PMONITOR->vecSize;
+
+    // these are used for focus and move calculations, and are *required* to touch for moving focus to work properly.
+    pWindow->m_vPosition = Vector2D{(SIZE.x / 2.0) * (m_vWindowData.size() % 2), (SIZE.y / 2.0) * (int)(m_vWindowData.size() > 1)};
+    pWindow->m_vSize     = SIZE / 2.0;
+
+    // this is the actual pos and size of the window (where it's rendered)
+    pWindow->m_vRealPosition = pWindow->m_vPosition + Vector2D{10, 10};
+    pWindow->m_vRealSize     = pWindow->m_vSize - Vector2D{20, 20};
+
+    const auto PDATA = &m_vWindowData.emplace_back();
+    PDATA->pWindow   = pWindow;
+}
+
+void CHyprCustomLayout::onWindowRemovedTiling(CWindow* pWindow) {
+    std::erase_if(m_vWindowData, [&](const auto& other) { return other.pWindow == pWindow; });
+}
+
+bool CHyprCustomLayout::isWindowTiled(CWindow* pWindow) {
+    return std::find_if(m_vWindowData.begin(), m_vWindowData.end(), [&](const auto& other) { return other.pWindow == pWindow; }) != m_vWindowData.end();
+}
+
+void CHyprCustomLayout::recalculateMonitor(const int& eIdleInhibitMode) {
+    ; // empty
+}
+
+void CHyprCustomLayout::recalculateWindow(CWindow* pWindow) {
+    ; // empty
+}
+
+void CHyprCustomLayout::resizeActiveWindow(const Vector2D& delta, CWindow* pWindow) {
+    ; // empty
+}
+
+void CHyprCustomLayout::fullscreenRequestForWindow(CWindow* pWindow, eFullscreenMode mode, bool on) {
+    ; // empty
+}
+
+std::any CHyprCustomLayout::layoutMessage(SLayoutMessageHeader header, std::string content) {
+    return "";
+}
+
+SWindowRenderLayoutHints CHyprCustomLayout::requestRenderHints(CWindow* pWindow) {
+    return {};
+}
+
+void CHyprCustomLayout::switchWindows(CWindow* pWindowA, CWindow* pWindowB) {
+    ; // empty
+}
+
+void CHyprCustomLayout::alterSplitRatio(CWindow* pWindow, float delta, bool exact) {
+    ; // empty
+}
+
+std::string CHyprCustomLayout::getLayoutName() {
+    return "custom";
+}
+
+void CHyprCustomLayout::replaceWindowDataWith(CWindow* from, CWindow* to) {
+    ; // empty
+}
+
+void CHyprCustomLayout::onEnable() {
+    for (auto& w : g_pCompositor->m_vWindows) {
+        if (w->isHidden() || !w->m_bIsMapped || w->m_bFadingOut || w->m_bIsFloating)
+            continue;
+
+        onWindowCreatedTiling(w.get());
+    }
+}
+
+void CHyprCustomLayout::onDisable() {
+    m_vWindowData.clear();
+}

example/examplePlugin/customLayout.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#define WLR_USE_UNSTABLE
+
+#include "../../src/layout/IHyprLayout.hpp"
+
+struct SWindowData {
+    CWindow* pWindow = nullptr;
+};
+
+class CHyprCustomLayout : public IHyprLayout {
+  public:
+    virtual void                     onWindowCreatedTiling(CWindow*);
+    virtual void                     onWindowRemovedTiling(CWindow*);
+    virtual bool                     isWindowTiled(CWindow*);
+    virtual void                     recalculateMonitor(const int&);
+    virtual void                     recalculateWindow(CWindow*);
+    virtual void                     resizeActiveWindow(const Vector2D&, CWindow* pWindow = nullptr);
+    virtual void                     fullscreenRequestForWindow(CWindow*, eFullscreenMode, bool);
+    virtual std::any                 layoutMessage(SLayoutMessageHeader, std::string);
+    virtual SWindowRenderLayoutHints requestRenderHints(CWindow*);
+    virtual void                     switchWindows(CWindow*, CWindow*);
+    virtual void                     alterSplitRatio(CWindow*, float, bool);
+    virtual std::string              getLayoutName();
+    virtual void                     replaceWindowDataWith(CWindow* from, CWindow* to);
+
+    virtual void                     onEnable();
+    virtual void                     onDisable();
+
+  private:
+    std::vector<SWindowData> m_vWindowData;
+};

example/examplePlugin/globals.hpp

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <src/plugins/PluginAPI.hpp>
+
+inline HANDLE PHANDLE = nullptr;

example/examplePlugin/main.cpp

@@ -0,0 +1,92 @@
+#define WLR_USE_UNSTABLE
+
+#include "globals.hpp"
+
+#include <src/Window.hpp>
+#include <src/Compositor.hpp>
+#include "customLayout.hpp"
+#include "customDecoration.hpp"
+
+#include <unistd.h>
+#include <thread>
+
+// Methods
+inline std::unique_ptr<CHyprCustomLayout> g_pCustomLayout;
+inline CFunctionHook*                     g_pFocusHook     = nullptr;
+inline CFunctionHook*                     g_pMotionHook    = nullptr;
+inline CFunctionHook*                     g_pMouseDownHook = nullptr;
+typedef void (*origFocusWindow)(void*, CWindow*, wlr_surface*);
+typedef void (*origMotion)(wlr_seat*, uint32_t, double, double);
+typedef void (*origMouseDownNormal)(void*, wlr_pointer_button_event*);
+
+// Do NOT change this function.
+APICALL EXPORT std::string PLUGIN_API_VERSION() {
+    return HYPRLAND_API_VERSION;
+}
+
+static void onActiveWindowChange(void* self, std::any data) {
+    try {
+        auto* const PWINDOW = std::any_cast<CWindow*>(data);
+
+        HyprlandAPI::addNotification(PHANDLE, "[ExamplePlugin] Active window: " + (PWINDOW ? PWINDOW->m_szTitle : "None"), CColor{0.f, 0.5f, 1.f, 1.f}, 5000);
+    } catch (std::bad_any_cast& e) { HyprlandAPI::addNotification(PHANDLE, "[ExamplePlugin] Active window: None", CColor{0.f, 0.5f, 1.f, 1.f}, 5000); }
+}
+
+static void onNewWindow(void* self, std::any data) {
+    auto* const PWINDOW = std::any_cast<CWindow*>(data);
+
+    HyprlandAPI::addWindowDecoration(PHANDLE, PWINDOW, new CCustomDecoration(PWINDOW));
+}
+
+void hkFocusWindow(void* thisptr, CWindow* pWindow, wlr_surface* pSurface) {
+    // HyprlandAPI::addNotification(PHANDLE, getFormat("FocusWindow with %lx %lx", pWindow, pSurface), CColor{0.f, 1.f, 1.f, 1.f}, 5000);
+    (*(origFocusWindow)g_pFocusHook->m_pOriginal)(thisptr, pWindow, pSurface);
+}
+
+void hkNotifyMotion(wlr_seat* wlr_seat, uint32_t time_msec, double sx, double sy) {
+    // HyprlandAPI::addNotification(PHANDLE, getFormat("NotifyMotion with %lf %lf", sx, sy), CColor{0.f, 1.f, 1.f, 1.f}, 5000);
+    (*(origMotion)g_pMotionHook->m_pOriginal)(wlr_seat, time_msec, sx, sy);
+}
+
+void hkProcessMouseDownNormal(void* thisptr, wlr_pointer_button_event* e) {
+    // HyprlandAPI::addNotification(PHANDLE, "Mouse down normal!", CColor{0.8f, 0.2f, 0.5f, 1.0f}, 5000);
+    (*(origMouseDownNormal)g_pMouseDownHook->m_pOriginal)(thisptr, e);
+}
+
+APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
+    PHANDLE = handle;
+
+    HyprlandAPI::addNotification(PHANDLE, "Hello World from an example plugin!", CColor{0.f, 1.f, 1.f, 1.f}, 5000);
+
+    HyprlandAPI::registerCallbackDynamic(PHANDLE, "activeWindow", [&](void* self, std::any data) { onActiveWindowChange(self, data); });
+    HyprlandAPI::registerCallbackDynamic(PHANDLE, "openWindow", [&](void* self, std::any data) { onNewWindow(self, data); });
+
+    g_pCustomLayout = std::make_unique<CHyprCustomLayout>();
+
+    HyprlandAPI::addLayout(PHANDLE, "custom", g_pCustomLayout.get());
+
+    HyprlandAPI::addConfigValue(PHANDLE, "plugin:example:border_color", SConfigValue{.intValue = configStringToInt("rgb(44ee44)")});
+
+    HyprlandAPI::addDispatcher(PHANDLE, "example", [](std::string arg) { HyprlandAPI::addNotification(PHANDLE, "Arg passed: " + arg, CColor{0.5f, 0.5f, 0.7f, 1.0f}, 5000); });
+
+    // Hook a public member
+    g_pFocusHook = HyprlandAPI::createFunctionHook(PHANDLE, (void*)&CCompositor::focusWindow, (void*)&hkFocusWindow);
+    // Hook a public non-member
+    g_pMotionHook = HyprlandAPI::createFunctionHook(PHANDLE, (void*)&wlr_seat_pointer_notify_motion, (void*)&hkNotifyMotion);
+    // Hook a private member (!WARNING: the signature may differ in clang. This one is for gcc ONLY.)
+    g_pMouseDownHook = HyprlandAPI::createFunctionHook(
+        PHANDLE, HyprlandAPI::getFunctionAddressFromSignature(PHANDLE, "_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event"), (void*)&hkProcessMouseDownNormal);
+
+    // Enable our hooks
+    g_pFocusHook->hook();
+    g_pMotionHook->hook();
+    g_pMouseDownHook->hook();
+
+    HyprlandAPI::reloadConfig();
+
+    return {"ExamplePlugin", "An example plugin", "Vaxry", "1.0"};
+}
+
+APICALL EXPORT void PLUGIN_EXIT() {
+    HyprlandAPI::invokeHyprctlCommand("seterror", "disable");
+}

flake.nix

@@ -52,11 +52,14 @@
         version = props.version + "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
         wlroots = wlroots-hyprland;
         inherit (inputs.hyprland-protocols.packages.${prev.stdenv.hostPlatform.system}) hyprland-protocols;
+        inherit udis86;
       };
       hyprland-debug = hyprland.override {debug = true;};
       hyprland-no-hidpi = hyprland.override {hidpiXWayland = false;};
       hyprland-nvidia = hyprland.override {nvidiaPatches = true;};
 
+      udis86 = prev.callPackage ./nix/udis86.nix {};
+
       waybar-hyprland = prev.waybar.overrideAttrs (oldAttrs: {
         postPatch = ''
           # use hyprctl to switch workspaces

hyprctl/main.cpp

@@ -41,6 +41,7 @@ commands:
     switchxkblayout
     seterror
     setprop
+    plugin
 
 flags:
     -j -> output in JSON
@@ -349,6 +350,8 @@ int main(int argc, char** argv) {
         request(fullRequest, 1);
     else if (fullRequest.contains("/setprop"))
         request(fullRequest, 3);
+    else if (fullRequest.contains("/plugin"))
+        request(fullRequest, 1);
     else if (fullRequest.contains("/output"))
         exitStatus = outputRequest(argc, argv);
     else if (fullRequest.contains("/setcursor"))

meson.build

@@ -43,6 +43,10 @@ wlroots = subproject('wlroots', default_options: ['examples=false'])
 have_xwlr = wlroots.get_variable('features').get('xwayland')
 xcb_dep = dependency('xcb', required: get_option('xwayland'))
 
+cmake = import('cmake')
+udis = cmake.subproject('udis86')
+udis86 = udis.dependency('libudis86')
+
 if get_option('xwayland').enabled() and not have_xwlr
 	error('Cannot enable Xwayland in Hyprland: wlroots has been built without Xwayland support')
 endif

nix/default.nix

@@ -18,6 +18,7 @@
   mount,
   pciutils,
   systemd,
+  udis86,
   wayland,
   wayland-protocols,
   wayland-scanner,
@@ -72,6 +73,7 @@ in
           libinput
           libxkbcommon
           mesa
+          udis86
           wayland
           wayland-protocols
           wayland-scanner

nix/meson-build.patch

@@ -1,34 +1,50 @@
 diff --git a/meson.build b/meson.build
-index 22ee4bf..5528613 100644
+index f380255..abd7cd3 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -2,16 +2,10 @@ project('Hyprland', 'cpp', 'c',
-   version : '0.1',
-   default_options : ['warning_level=3', 'cpp_std=c++20', 'default_library=static'])
-
+@@ -39,23 +39,8 @@ add_project_arguments(
+   ],
+   language: 'cpp')
+ 
 -wlroots = subproject('wlroots', default_options: ['examples=false'])
 -have_xwlr = wlroots.get_variable('features').get('xwayland')
-+wlroots = dependency('wlroots', version: '>=0.16.0')
  xcb_dep = dependency('xcb', required: get_option('xwayland'))
-
+ 
+-cmake = import('cmake')
+-udis = cmake.subproject('udis86')
+-udis86 = udis.dependency('libudis86')
+-
 -if get_option('xwayland').enabled() and not have_xwlr
 -	error('Cannot enable Xwayland in Hyprland: wlroots has been built without Xwayland support')
 -endif
 -have_xwayland = xcb_dep.found() and have_xwlr
 -
 -if not have_xwayland
-+if not xcb_dep.found()
- add_project_arguments('-DNO_XWAYLAND', language: 'cpp')
- endif
-
+-add_project_arguments('-DNO_XWAYLAND', language: 'cpp')
+-endif
+-
+ backtrace_dep = cpp_compiler.find_library('execinfo', required: false)
+ systemd_dep = dependency('libsystemd', required: get_option('systemd'))
+ 
 diff --git a/src/meson.build b/src/meson.build
-index 5d64188..a676333 100644
+index 7b658d3..da8baa5 100644
 --- a/src/meson.build
 +++ b/src/meson.build
-@@ -7,5 +7,5 @@ executable('Hyprland', src,
+@@ -7,7 +7,7 @@ executable('Hyprland', src,
      server_protos,
      dependency('wayland-server'),
      dependency('wayland-client'),
 -    wlroots.get_variable('wlroots'),
-+    wlroots,
++    dependency('wlroots'),
      dependency('cairo'),
+     dependency('libdrm'),
+     dependency('egl'),
+@@ -16,7 +16,7 @@ executable('Hyprland', src,
+     xcb_dep,
+     backtrace_dep,
+     systemd_dep,
+-    udis86,
++    dependency('udis86'),
+ 
+     dependency('pixman-1'),
+     dependency('gl', 'opengl'),

nix/udis86.nix

@@ -0,0 +1,32 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  autoreconfHook,
+  python3,
+}:
+stdenv.mkDerivation {
+  pname = "udis86";
+  version = "unstable-2022-10-13";
+
+  src = fetchFromGitHub {
+    owner = "canihavesomecoffee";
+    repo = "udis86";
+    rev = "5336633af70f3917760a6d441ff02d93477b0c86";
+    hash = "sha256-HifdUQPGsKQKQprByeIznvRLONdOXeolOsU5nkwIv3g=";
+  };
+
+  nativeBuildInputs = [autoreconfHook python3];
+
+  configureFlags = ["--enable-shared"];
+
+  outputs = ["bin" "out" "dev" "lib"];
+
+  meta = with lib; {
+    homepage = "https://udis86.sourceforge.net";
+    license = licenses.bsd2;
+    mainProgram = "udcli";
+    description = "Easy-to-use, minimalistic x86 disassembler library (libudis86)";
+    platforms = platforms.all;
+  };
+}

src/Compositor.cpp

@@ -18,6 +18,12 @@ int handleCritSignal(int signo, void* data) {
 }
 
 void handleSegv(int sig) {
+
+    if (g_pHookSystem->m_bCurrentEventPlugin) {
+        longjmp(g_pHookSystem->m_jbHookFaultJumpBuf, 1);
+        return;
+    }
+
     CrashReporter::createAndSaveCrash();
     abort();
 }
@@ -279,6 +285,10 @@ void CCompositor::cleanup() {
 
     m_bIsShuttingDown = true;
 
+    // unload all remaining plugins while the compositor is
+    // still in a normal working state.
+    g_pPluginSystem->unloadAllPlugins();
+
     m_pLastFocus  = nullptr;
     m_pLastWindow = nullptr;
 
@@ -364,6 +374,12 @@ void CCompositor::startCompositor() {
 
     Debug::log(LOG, "Creating the HyprDebugOverlay!");
     g_pDebugOverlay = std::make_unique<CHyprDebugOverlay>();
+
+    Debug::log(LOG, "Creating the HyprNotificationOverlay!");
+    g_pHyprNotificationOverlay = std::make_unique<CHyprNotificationOverlay>();
+
+    Debug::log(LOG, "Creating the PluginSystem!");
+    g_pPluginSystem = std::make_unique<CPluginSystem>();
     //
     //
 
@@ -486,10 +502,6 @@ CMonitor* CCompositor::getMonitorFromVector(const Vector2D& point) {
 
 void CCompositor::removeWindowFromVectorSafe(CWindow* pWindow) {
     if (windowExists(pWindow) && !pWindow->m_bFadingOut) {
-        if (pWindow->m_bIsX11 && pWindow->m_iX11Type == 2) {
-            std::erase_if(m_dUnmanagedX11Windows, [&](std::unique_ptr<CWindow>& el) { return el.get() == pWindow; });
-        }
-
         // if X11, also check its children
         // and delete any needed
         if (pWindow->m_bIsX11) {
@@ -507,6 +519,10 @@ void CCompositor::removeWindowFromVectorSafe(CWindow* pWindow) {
             }
         }
 
+        if (pWindow->m_bIsX11 && pWindow->m_iX11Type == 2) {
+            std::erase_if(m_dUnmanagedX11Windows, [&](std::unique_ptr<CWindow>& el) { return el.get() == pWindow; });
+        }
+
         std::erase_if(m_vWindows, [&](std::unique_ptr<CWindow>& el) { return el.get() == pWindow; });
     }
 }
@@ -517,6 +533,11 @@ bool CCompositor::windowExists(CWindow* pWindow) {
             return true;
     }
 
+    for (auto& u : m_dUnmanagedX11Windows) {
+        if (u.get() == pWindow)
+            return true;
+    }
+
     return false;
 }
 
@@ -591,8 +612,8 @@ CWindow* CCompositor::vectorToWindowIdeal(const Vector2D& pos) {
     // special workspace
     if (PMONITOR->specialWorkspaceID) {
         for (auto w = m_vWindows.rbegin(); w != m_vWindows.rend(); w++) {
-            wlr_box box = {(*w)->m_vRealPosition.vec().x - BORDER_GRAB_AREA, (*w)->m_vRealPosition.vec().y - BORDER_GRAB_AREA, (*w)->m_vRealSize.vec().x + 2 * BORDER_GRAB_AREA,
-                           (*w)->m_vRealSize.vec().y + 2 * BORDER_GRAB_AREA};
+            const auto BB  = w->get()->getWindowInputBox();
+            wlr_box    box = {BB.x - BORDER_GRAB_AREA, BB.y - BORDER_GRAB_AREA, BB.width + 2 * BORDER_GRAB_AREA, BB.height + 2 * BORDER_GRAB_AREA};
             if ((*w)->m_bIsFloating && (*w)->m_iWorkspaceID == PMONITOR->specialWorkspaceID && (*w)->m_bIsMapped && wlr_box_contains_point(&box, pos.x, pos.y) &&
                 !(*w)->isHidden() && !(*w)->m_bX11ShouldntFocus)
                 return (*w).get();
@@ -608,8 +629,8 @@ CWindow* CCompositor::vectorToWindowIdeal(const Vector2D& pos) {
 
     // pinned windows on top of floating regardless
     for (auto w = m_vWindows.rbegin(); w != m_vWindows.rend(); w++) {
-        wlr_box box = {(*w)->m_vRealPosition.vec().x - BORDER_GRAB_AREA, (*w)->m_vRealPosition.vec().y - BORDER_GRAB_AREA, (*w)->m_vRealSize.vec().x + 2 * BORDER_GRAB_AREA,
-                       (*w)->m_vRealSize.vec().y + 2 * BORDER_GRAB_AREA};
+        const auto BB  = w->get()->getWindowInputBox();
+        wlr_box    box = {BB.x - BORDER_GRAB_AREA, BB.y - BORDER_GRAB_AREA, BB.width + 2 * BORDER_GRAB_AREA, BB.height + 2 * BORDER_GRAB_AREA};
         if ((*w)->m_bIsFloating && (*w)->m_bIsMapped && !(*w)->isHidden() && !(*w)->m_bX11ShouldntFocus && (*w)->m_bPinned) {
             if (wlr_box_contains_point(&box, m_sWLRCursor->x, m_sWLRCursor->y))
                 return w->get();
@@ -623,8 +644,8 @@ CWindow* CCompositor::vectorToWindowIdeal(const Vector2D& pos) {
 
     // first loop over floating cuz they're above, m_lWindows should be sorted bottom->top, for tiled it doesn't matter.
     for (auto w = m_vWindows.rbegin(); w != m_vWindows.rend(); w++) {
-        wlr_box box = {(*w)->m_vRealPosition.vec().x - BORDER_GRAB_AREA, (*w)->m_vRealPosition.vec().y - BORDER_GRAB_AREA, (*w)->m_vRealSize.vec().x + 2 * BORDER_GRAB_AREA,
-                       (*w)->m_vRealSize.vec().y + 2 * BORDER_GRAB_AREA};
+        const auto BB  = w->get()->getWindowInputBox();
+        wlr_box    box = {BB.x - BORDER_GRAB_AREA, BB.y - BORDER_GRAB_AREA, BB.width + 2 * BORDER_GRAB_AREA, BB.height + 2 * BORDER_GRAB_AREA};
         if ((*w)->m_bIsFloating && (*w)->m_bIsMapped && isWorkspaceVisible((*w)->m_iWorkspaceID) && !(*w)->isHidden() && !(*w)->m_bPinned) {
             // OR windows should add focus to parent
             if ((*w)->m_bX11ShouldntFocus && (*w)->m_iX11Type != 2)
@@ -1656,6 +1677,9 @@ void CCompositor::updateWindowAnimatedDecorationValues(CWindow* pWindow) {
     } else {
         pWindow->m_cRealShadowColor.setValueAndWarp(CColor(0, 0, 0, 0)); // no shadow
     }
+
+    for (auto& d : pWindow->m_dWindowDecorations)
+        d->updateWindow(pWindow);
 }
 
 int CCompositor::getNextAvailableMonitorID() {
@@ -2012,6 +2036,9 @@ void CCompositor::scheduleFrameForMonitor(CMonitor* pMonitor) {
     if (!pMonitor->m_bEnabled)
         return;
 
+    if (pMonitor->renderingActive)
+        pMonitor->pendingFrame = true;
+
     wlr_output_schedule_frame(pMonitor->output);
 }
 
@@ -2032,7 +2059,7 @@ CWindow* CCompositor::getWindowByRegex(const std::string& regexp) {
     }
 
     for (auto& w : g_pCompositor->m_vWindows) {
-        if (!w->m_bIsMapped || w->isHidden())
+        if (!w->m_bIsMapped || (w->isHidden() && !w->m_sGroupData.pNextWindow))
             continue;
 
         switch (mode) {

src/Compositor.hpp

@@ -19,12 +19,14 @@
 #include "managers/SessionLockManager.hpp"
 #include "managers/HookSystemManager.hpp"
 #include "debug/HyprDebugOverlay.hpp"
+#include "debug/HyprNotificationOverlay.hpp"
 #include "helpers/Monitor.hpp"
 #include "helpers/Workspace.hpp"
 #include "Window.hpp"
 #include "render/Renderer.hpp"
 #include "render/OpenGL.hpp"
 #include "hyprerror/HyprError.hpp"
+#include "plugins/PluginSystem.hpp"
 
 class CCompositor {
   public:

src/Window.cpp

@@ -88,6 +88,59 @@ wlr_box CWindow::getWindowIdealBoundingBoxIgnoreReserved() {
     return wlr_box{(int)POS.x, (int)POS.y, (int)SIZE.x, (int)SIZE.y};
 }
 
+wlr_box CWindow::getWindowInputBox() {
+    static auto* const PBORDERSIZE = &g_pConfigManager->getConfigValuePtr("general:border_size")->intValue;
+
+    if (m_sAdditionalConfigData.dimAround) {
+        const auto PMONITOR = g_pCompositor->getMonitorFromID(m_iMonitorID);
+        return {PMONITOR->vecPosition.x, PMONITOR->vecPosition.y, PMONITOR->vecSize.x, PMONITOR->vecSize.y};
+    }
+
+    SWindowDecorationExtents maxExtents = {{*PBORDERSIZE + 2, *PBORDERSIZE + 2}, {*PBORDERSIZE + 2, *PBORDERSIZE + 2}};
+
+    for (auto& wd : m_dWindowDecorations) {
+
+        if (!wd->allowsInput())
+            continue;
+
+        const auto EXTENTS = wd->getWindowDecorationExtents();
+
+        if (EXTENTS.topLeft.x > maxExtents.topLeft.x)
+            maxExtents.topLeft.x = EXTENTS.topLeft.x;
+
+        if (EXTENTS.topLeft.y > maxExtents.topLeft.y)
+            maxExtents.topLeft.y = EXTENTS.topLeft.y;
+
+        if (EXTENTS.bottomRight.x > maxExtents.bottomRight.x)
+            maxExtents.bottomRight.x = EXTENTS.bottomRight.x;
+
+        if (EXTENTS.bottomRight.y > maxExtents.bottomRight.y)
+            maxExtents.bottomRight.y = EXTENTS.bottomRight.y;
+    }
+
+    // Add extents to the real base BB and return
+    wlr_box finalBox = {m_vRealPosition.vec().x - maxExtents.topLeft.x, m_vRealPosition.vec().y - maxExtents.topLeft.y,
+                        m_vRealSize.vec().x + maxExtents.topLeft.x + maxExtents.bottomRight.x, m_vRealSize.vec().y + maxExtents.topLeft.y + maxExtents.bottomRight.y};
+
+    return finalBox;
+}
+
+SWindowDecorationExtents CWindow::getFullWindowReservedArea() {
+    SWindowDecorationExtents extents;
+
+    for (auto& wd : m_dWindowDecorations) {
+        const auto RESERVED = wd->getWindowDecorationReservedArea();
+
+        if (RESERVED.bottomRight == Vector2D{} && RESERVED.topLeft == Vector2D{})
+            continue;
+
+        extents.topLeft     = extents.topLeft + RESERVED.topLeft;
+        extents.bottomRight = extents.bottomRight + RESERVED.bottomRight;
+    }
+
+    return extents;
+}
+
 void CWindow::updateWindowDecos() {
     for (auto& wd : m_dWindowDecorations)
         wd->updateWindow(this);

src/Window.hpp

@@ -155,6 +155,7 @@ class CWindow {
     DYNLISTENER(toplevelClose);
     DYNLISTENER(toplevelActivate);
     DYNLISTENER(toplevelFullscreen);
+    DYNLISTENER(setOverrideRedirect);
     // DYNLISTENER(newSubsurfaceWindow);
 
     union {
@@ -286,34 +287,36 @@ class CWindow {
     }
 
     // methods
-    wlr_box                getFullWindowBoundingBox();
-    wlr_box                getWindowIdealBoundingBoxIgnoreReserved();
-    void                   updateWindowDecos();
-    pid_t                  getPID();
-    IHyprWindowDecoration* getDecorationByType(eDecorationType);
-    void                   removeDecorationByType(eDecorationType);
-    void                   createToplevelHandle();
-    void                   destroyToplevelHandle();
-    void                   updateToplevel();
-    void                   updateSurfaceOutputs();
-    void                   moveToWorkspace(int);
-    CWindow*               X11TransientFor();
-    void                   onUnmap();
-    void                   onMap();
-    void                   setHidden(bool hidden);
-    bool                   isHidden();
-    void                   applyDynamicRule(const SWindowRule& r);
-    void                   updateDynamicRules();
+    wlr_box                  getFullWindowBoundingBox();
+    wlr_box                  getWindowInputBox();
+    wlr_box                  getWindowIdealBoundingBoxIgnoreReserved();
+    void                     updateWindowDecos();
+    pid_t                    getPID();
+    IHyprWindowDecoration*   getDecorationByType(eDecorationType);
+    void                     removeDecorationByType(eDecorationType);
+    void                     createToplevelHandle();
+    void                     destroyToplevelHandle();
+    void                     updateToplevel();
+    void                     updateSurfaceOutputs();
+    void                     moveToWorkspace(int);
+    CWindow*                 X11TransientFor();
+    void                     onUnmap();
+    void                     onMap();
+    void                     setHidden(bool hidden);
+    bool                     isHidden();
+    void                     applyDynamicRule(const SWindowRule& r);
+    void                     updateDynamicRules();
+    SWindowDecorationExtents getFullWindowReservedArea();
 
-    void                   onBorderAngleAnimEnd(void* ptr);
-    bool                   isInCurvedCorner(double x, double y);
-    bool                   hasPopupAt(const Vector2D& pos);
+    void                     onBorderAngleAnimEnd(void* ptr);
+    bool                     isInCurvedCorner(double x, double y);
+    bool                     hasPopupAt(const Vector2D& pos);
 
-    CWindow*               getGroupHead();
-    CWindow*               getGroupTail();
-    CWindow*               getGroupCurrent();
-    void                   setGroupCurrent(CWindow* pWindow);
-    void                   insertWindowToGroup(CWindow* pWindow);
+    CWindow*                 getGroupHead();
+    CWindow*                 getGroupTail();
+    CWindow*                 getGroupCurrent();
+    void                     setGroupCurrent(CWindow* pWindow);
+    void                     insertWindowToGroup(CWindow* pWindow);
 
   private:
     // For hidden windows and stuff

src/config/ConfigManager.cpp

@@ -52,21 +52,22 @@ void CConfigManager::setDefaultVars() {
     configValues["general:hover_icon_on_border"].intValue    = 1;
     configValues["general:layout"].strValue                  = "dwindle";
 
-    configValues["misc:disable_hyprland_logo"].intValue      = 0;
-    configValues["misc:disable_splash_rendering"].intValue   = 0;
-    configValues["misc:vfr"].intValue                        = 1;
-    configValues["misc:vrr"].intValue                        = 0;
-    configValues["misc:mouse_move_enables_dpms"].intValue    = 0;
-    configValues["misc:always_follow_on_dnd"].intValue       = 1;
-    configValues["misc:layers_hog_keyboard_focus"].intValue  = 1;
-    configValues["misc:animate_manual_resizes"].intValue     = 0;
-    configValues["misc:disable_autoreload"].intValue         = 0;
-    configValues["misc:enable_swallow"].intValue             = 0;
-    configValues["misc:swallow_regex"].strValue              = STRVAL_EMPTY;
-    configValues["misc:focus_on_activate"].intValue          = 0;
-    configValues["misc:no_direct_scanout"].intValue          = 0;
-    configValues["misc:hide_cursor_on_touch"].intValue       = 1;
-    configValues["misc:mouse_move_focuses_monitor"].intValue = 1;
+    configValues["misc:disable_hyprland_logo"].intValue        = 0;
+    configValues["misc:disable_splash_rendering"].intValue     = 0;
+    configValues["misc:vfr"].intValue                          = 1;
+    configValues["misc:vrr"].intValue                          = 0;
+    configValues["misc:mouse_move_enables_dpms"].intValue      = 0;
+    configValues["misc:always_follow_on_dnd"].intValue         = 1;
+    configValues["misc:layers_hog_keyboard_focus"].intValue    = 1;
+    configValues["misc:animate_manual_resizes"].intValue       = 1;
+    configValues["misc:animate_mouse_windowdragging"].intValue = 1;
+    configValues["misc:disable_autoreload"].intValue           = 0;
+    configValues["misc:enable_swallow"].intValue               = 0;
+    configValues["misc:swallow_regex"].strValue                = STRVAL_EMPTY;
+    configValues["misc:focus_on_activate"].intValue            = 0;
+    configValues["misc:no_direct_scanout"].intValue            = 0;
+    configValues["misc:hide_cursor_on_touch"].intValue         = 1;
+    configValues["misc:mouse_move_focuses_monitor"].intValue   = 1;
 
     configValues["debug:int"].intValue             = 0;
     configValues["debug:log_damage"].intValue      = 0;
@@ -271,7 +272,7 @@ void CConfigManager::init() {
 
 void CConfigManager::configSetValueSafe(const std::string& COMMAND, const std::string& VALUE) {
     if (configValues.find(COMMAND) == configValues.end()) {
-        if (COMMAND.find("device:") != 0 /* devices parsed later */) {
+        if (COMMAND.find("device:") != 0 /* devices parsed later */ && COMMAND.find("plugin:") != 0 /* plugins parsed later */) {
             if (COMMAND[0] == '$') {
                 // register a dynamic var
                 Debug::log(LOG, "Registered dynamic var \"%s\" -> %s", COMMAND.c_str(), VALUE.c_str());
@@ -306,6 +307,18 @@ void CConfigManager::configSetValueSafe(const std::string& COMMAND, const std::s
         }
 
         CONFIGENTRY = &it->second.at(CONFIGVAR);
+    } else if (COMMAND.find("plugin:") == 0) {
+        for (auto& [handle, pMap] : pluginConfigs) {
+            auto it = std::find_if(pMap->begin(), pMap->end(), [&](const auto& other) { return other.first == COMMAND; });
+            if (it == pMap->end()) {
+                return; // plugin vars do not err, so we silently ignore.
+            }
+
+            CONFIGENTRY = &it->second;
+        }
+
+        if (!CONFIGENTRY)
+            return; // silent ignore
     } else {
         CONFIGENTRY = &configValues.at(COMMAND);
     }
@@ -1649,8 +1662,17 @@ SConfigValue* CConfigManager::getConfigValuePtr(const std::string& val) {
 SConfigValue* CConfigManager::getConfigValuePtrSafe(const std::string& val) {
     const auto IT = configValues.find(val);
 
-    if (IT == configValues.end())
+    if (IT == configValues.end()) {
+        // maybe plugin
+        for (auto& [pl, pMap] : pluginConfigs) {
+            const auto PLIT = pMap->find(val);
+
+            if (PLIT != pMap->end())
+                return &PLIT->second;
+        }
+
         return nullptr;
+    }
 
     return &(IT->second);
 }
@@ -1800,3 +1822,19 @@ ICustomConfigValueData::~ICustomConfigValueData() {
 std::unordered_map<std::string, SAnimationPropertyConfig> CConfigManager::getAnimationConfig() {
     return animationConfig;
 }
+
+void CConfigManager::addPluginConfigVar(HANDLE handle, const std::string& name, const SConfigValue& value) {
+    auto CONFIGMAPIT = std::find_if(pluginConfigs.begin(), pluginConfigs.end(), [&](const auto& other) { return other.first == handle; });
+
+    if (CONFIGMAPIT == pluginConfigs.end()) {
+        pluginConfigs.emplace(
+            std::pair<HANDLE, std::unique_ptr<std::unordered_map<std::string, SConfigValue>>>(handle, std::make_unique<std::unordered_map<std::string, SConfigValue>>()));
+        CONFIGMAPIT = std::find_if(pluginConfigs.begin(), pluginConfigs.end(), [&](const auto& other) { return other.first == handle; });
+    }
+
+    (*CONFIGMAPIT->second)[name] = value;
+}
+
+void CConfigManager::removePluginConfig(HANDLE handle) {
+    std::erase_if(pluginConfigs, [&](const auto& other) { return other.first == handle; });
+}

src/config/ConfigManager.hpp

@@ -21,6 +21,8 @@
 #define INITANIMCFG(name)           animationConfig[name] = {}
 #define CREATEANIMCFG(name, parent) animationConfig[name] = {false, "", "", 0.f, -1, &animationConfig["global"], &animationConfig[parent]}
 
+#define HANDLE void*
+
 struct SConfigValue {
     int64_t                                 intValue   = -INT64_MAX;
     float                                   floatValue = -__FLT_MAX__;
@@ -159,6 +161,9 @@ class CConfigManager {
 
     std::unordered_map<std::string, SAnimationPropertyConfig>       getAnimationConfig();
 
+    void                                                            addPluginConfigVar(HANDLE handle, const std::string& name, const SConfigValue& value);
+    void                                                            removePluginConfig(HANDLE handle);
+
     // no-op when done.
     void                      dispatchExecOnce();
 
@@ -180,33 +185,35 @@ class CConfigManager {
     std::string               configCurrentPath;
 
   private:
-    std::deque<std::string>                                                        configPaths;       // stores all the config paths
-    std::unordered_map<std::string, time_t>                                        configModifyTimes; // stores modify times
-    std::unordered_map<std::string, std::string>                                   configDynamicVars; // stores dynamic vars declared by the user
-    std::unordered_map<std::string, SConfigValue>                                  configValues;
-    std::unordered_map<std::string, std::unordered_map<std::string, SConfigValue>> deviceConfigs; // stores device configs
+    std::deque<std::string>                                                                    configPaths;       // stores all the config paths
+    std::unordered_map<std::string, time_t>                                                    configModifyTimes; // stores modify times
+    std::unordered_map<std::string, std::string>                                               configDynamicVars; // stores dynamic vars declared by the user
+    std::unordered_map<std::string, SConfigValue>                                              configValues;
+    std::unordered_map<std::string, std::unordered_map<std::string, SConfigValue>>             deviceConfigs; // stores device configs
 
-    std::unordered_map<std::string, SAnimationPropertyConfig>                      animationConfig; // stores all the animations with their set values
+    std::unordered_map<std::string, SAnimationPropertyConfig>                                  animationConfig; // stores all the animations with their set values
 
-    std::string                                                                    currentCategory = ""; // For storing the category of the current item
+    std::string                                                                                currentCategory = ""; // For storing the category of the current item
 
-    std::string                                                                    parseError = ""; // For storing a parse error to display later
+    std::string                                                                                parseError = ""; // For storing a parse error to display later
 
-    std::string                                                                    m_szCurrentSubmap = ""; // For storing the current keybind submap
+    std::string                                                                                m_szCurrentSubmap = ""; // For storing the current keybind submap
 
-    std::vector<std::pair<std::string, std::string>>                               boundWorkspaces;
+    std::vector<std::pair<std::string, std::string>>                                           boundWorkspaces;
 
-    std::vector<SExecRequestedRule>                                                execRequestedRules; // rules requested with exec, e.g. [workspace 2] kitty
+    std::vector<SExecRequestedRule>                                                            execRequestedRules; // rules requested with exec, e.g. [workspace 2] kitty
 
-    bool                                                                           isFirstLaunch = true; // For exec-once
+    std::unordered_map<HANDLE, std::unique_ptr<std::unordered_map<std::string, SConfigValue>>> pluginConfigs; // stores plugin configs
 
-    std::deque<SMonitorRule>                                                       m_dMonitorRules;
-    std::deque<SWindowRule>                                                        m_dWindowRules;
-    std::deque<SLayerRule>                                                         m_dLayerRules;
-    std::deque<std::string>                                                        m_dBlurLSNamespaces;
+    bool                                                                                       isFirstLaunch = true; // For exec-once
 
-    bool                                                                           firstExecDispatched = false;
-    std::deque<std::string>                                                        firstExecRequests;
+    std::deque<SMonitorRule>                                                                   m_dMonitorRules;
+    std::deque<SWindowRule>                                                                    m_dWindowRules;
+    std::deque<SLayerRule>                                                                     m_dLayerRules;
+    std::deque<std::string>                                                                    m_dBlurLSNamespaces;
+
+    bool                                                                                       firstExecDispatched = false;
+    std::deque<std::string>                                                                    firstExecRequests;
 
     // internal methods
     void         setDefaultVars();

src/debug/CrashReporter.cpp

@@ -4,10 +4,13 @@
 #include <execinfo.h>
 #include <fstream>
 
+#include "../plugins/PluginSystem.hpp"
+
 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
 #include <sys/sysctl.h>
 #endif
 
+
 std::string getRandomMessage() {
 
     const std::vector<std::string>  MESSAGES = {"Sorry, didn't mean to...",
@@ -43,6 +46,16 @@ void CrashReporter::createAndSaveCrash() {
 
     finalCrashReport += "Hyprland received signal 11 (SIGSEGV): Segmentation Fault\n\n";
 
+    if (!g_pPluginSystem->getAllPlugins().empty()) {
+        finalCrashReport += "Hyprland seems to be running with plugins. This crash might not be Hyprland's fault.\nPlugins:\n";
+
+        for (auto& p : g_pPluginSystem->getAllPlugins()) {
+            finalCrashReport += getFormat("\t%s (%s) %s\n", p->name.c_str(), p->author.c_str(), p->version.c_str());
+        }
+
+        finalCrashReport += "\n\n";
+    }
+
     finalCrashReport += "System info:\n";
 
     struct utsname unameInfo;

src/debug/HyprCtl.cpp

@@ -108,6 +108,8 @@ static std::string getWindowData(CWindow* w, HyprCtl::eHyprCtlOutputFormat forma
         return getFormat(
             R"#({
     "address": "0x%x",
+    "mapped": %s,
+    "hidden": %s,
     "at": [%i, %i],
     "size": [%i, %i],
     "workspace": {
@@ -127,7 +129,8 @@ static std::string getWindowData(CWindow* w, HyprCtl::eHyprCtlOutputFormat forma
     "grouped": [%s],
     "swallowing": %s
 },)#",
-            w, (int)w->m_vRealPosition.goalv().x, (int)w->m_vRealPosition.goalv().y, (int)w->m_vRealSize.goalv().x, (int)w->m_vRealSize.goalv().y, w->m_iWorkspaceID,
+            w, (w->m_bIsMapped ? "true" : "false"), (w->isHidden() ? "true" : "false"), (int)w->m_vRealPosition.goalv().x, (int)w->m_vRealPosition.goalv().y,
+            (int)w->m_vRealSize.goalv().x, (int)w->m_vRealSize.goalv().y, w->m_iWorkspaceID,
             escapeJSONStrings(w->m_iWorkspaceID == -1                                ? "" :
                                   g_pCompositor->getWorkspaceByID(w->m_iWorkspaceID) ? g_pCompositor->getWorkspaceByID(w->m_iWorkspaceID)->m_szName :
                                                                                        std::string("Invalid workspace " + std::to_string(w->m_iWorkspaceID)))
@@ -139,10 +142,11 @@ static std::string getWindowData(CWindow* w, HyprCtl::eHyprCtlOutputFormat forma
             w->m_bFakeFullscreenState ? "true" : "false", getGroupedData(w, format).c_str(), (w->m_pSwallowed ? getFormat("\"0x%x\"", w->m_pSwallowed).c_str() : "null"));
     } else {
         return getFormat(
-            "Window %x -> %s:\n\tat: %i,%i\n\tsize: %i,%i\n\tworkspace: %i (%s)\n\tfloating: %i\n\tmonitor: %i\n\tclass: %s\n\ttitle: %s\n\tpid: %i\n\txwayland: %i\n\tpinned: "
+            "Window %x -> %s:\n\tmapped: %i\n\thidden: %i\n\tat: %i,%i\n\tsize: %i,%i\n\tworkspace: %i (%s)\n\tfloating: %i\n\tmonitor: %i\n\tclass: %s\n\ttitle: %s\n\tpid: "
+            "%i\n\txwayland: %i\n\tpinned: "
             "%i\n\tfullscreen: %i\n\tfullscreenmode: %i\n\tfakefullscreen: %i\n\tgrouped: %s\n\tswallowing: %x\n\n",
-            w, w->m_szTitle.c_str(), (int)w->m_vRealPosition.goalv().x, (int)w->m_vRealPosition.goalv().y, (int)w->m_vRealSize.goalv().x, (int)w->m_vRealSize.goalv().y,
-            w->m_iWorkspaceID,
+            w, w->m_szTitle.c_str(), (int)w->m_bIsMapped, (int)w->isHidden(), (int)w->m_vRealPosition.goalv().x, (int)w->m_vRealPosition.goalv().y, (int)w->m_vRealSize.goalv().x,
+            (int)w->m_vRealSize.goalv().y, w->m_iWorkspaceID,
             (w->m_iWorkspaceID == -1                                ? "" :
                  g_pCompositor->getWorkspaceByID(w->m_iWorkspaceID) ? g_pCompositor->getWorkspaceByID(w->m_iWorkspaceID)->m_szName.c_str() :
                                                                       std::string("Invalid workspace " + std::to_string(w->m_iWorkspaceID)).c_str()),
@@ -159,9 +163,7 @@ std::string clientsRequest(HyprCtl::eHyprCtlOutputFormat format) {
         result += "[";
 
         for (auto& w : g_pCompositor->m_vWindows) {
-            if (w->m_bIsMapped) {
-                result += getWindowData(w.get(), format);
-            }
+            result += getWindowData(w.get(), format);
         }
 
         // remove trailing comma
@@ -171,9 +173,7 @@ std::string clientsRequest(HyprCtl::eHyprCtlOutputFormat format) {
         result += "]";
     } else {
         for (auto& w : g_pCompositor->m_vWindows) {
-            if (w->m_bIsMapped) {
-                result += getWindowData(w.get(), format);
-            }
+            result += getWindowData(w.get(), format);
         }
     }
     return result;
@@ -1087,6 +1087,50 @@ std::string dispatchOutput(std::string request) {
     return "ok";
 }
 
+std::string dispatchPlugin(std::string request) {
+    CVarList vars(request, 0, ' ');
+
+    if (vars.size() < 2)
+        return "not enough args";
+
+    const auto OPERATION = vars[1];
+    const auto PATH      = vars[2];
+
+    if (OPERATION == "load") {
+        if (vars.size() < 3)
+            return "not enough args";
+
+        const auto PLUGIN = g_pPluginSystem->loadPlugin(PATH);
+
+        if (!PLUGIN)
+            return "error in loading plugin";
+    } else if (OPERATION == "unload") {
+        if (vars.size() < 3)
+            return "not enough args";
+
+        const auto PLUGIN = g_pPluginSystem->getPluginByPath(PATH);
+
+        if (!PLUGIN)
+            return "plugin not loaded";
+
+        g_pPluginSystem->unloadPlugin(PLUGIN);
+    } else if (OPERATION == "list") {
+        const auto  PLUGINS = g_pPluginSystem->getAllPlugins();
+
+        std::string list = "";
+        for (auto& p : PLUGINS) {
+            list += getFormat("\nPlugin %s by %s:\n\tHandle: %lx\n\tVersion: %s\n\tDescription: %s\n", p->name.c_str(), p->author.c_str(), p->m_pHandle, p->version.c_str(),
+                              p->description.c_str());
+        }
+
+        return list;
+    } else {
+        return "unknown opt";
+    }
+
+    return "ok";
+}
+
 std::string getReply(std::string request) {
     auto format = HyprCtl::FORMAT_NORMAL;
 
@@ -1134,6 +1178,8 @@ std::string getReply(std::string request) {
         return bindsRequest(format);
     else if (request == "animations")
         return animationsRequest(format);
+    else if (request.find("plugin") == 0)
+        return dispatchPlugin(request);
     else if (request.find("setprop") == 0)
         return dispatchSetProp(request);
     else if (request.find("seterror") == 0)
@@ -1156,6 +1202,10 @@ std::string getReply(std::string request) {
     return "unknown request";
 }
 
+std::string HyprCtl::makeDynamicCall(const std::string& input) {
+    return getReply(input);
+}
+
 int hyprCtlFDTick(int fd, uint32_t mask, void* data) {
     if (mask & WL_EVENT_ERROR || mask & WL_EVENT_HANGUP)
         return 0;

src/debug/HyprCtl.hpp

@@ -5,7 +5,8 @@
 #include "../helpers/MiscFunctions.hpp"
 
 namespace HyprCtl {
-    void startHyprCtlSocket();
+    void        startHyprCtlSocket();
+    std::string makeDynamicCall(const std::string& input);
 
     // very simple thread-safe request method
     inline bool             requestMade  = false;
@@ -18,8 +19,7 @@ namespace HyprCtl {
 
     inline int              iSocketFD = -1;
 
-    enum eHyprCtlOutputFormat
-    {
+    enum eHyprCtlOutputFormat {
         FORMAT_NORMAL = 0,
         FORMAT_JSON
     };

src/debug/HyprNotificationOverlay.cpp

@@ -0,0 +1,155 @@
+#include "HyprNotificationOverlay.hpp"
+#include "../Compositor.hpp"
+
+CHyprNotificationOverlay::CHyprNotificationOverlay() {
+    g_pHookSystem->hookDynamic("focusedMon", [&](void* self, std::any param) {
+        if (m_dNotifications.size() == 0)
+            return;
+
+        g_pHyprRenderer->damageBox(&m_bLastDamage);
+    });
+}
+
+void CHyprNotificationOverlay::addNotification(const std::string& text, const CColor& color, const float timeMs) {
+    const auto PNOTIF = m_dNotifications.emplace_back(std::make_unique<SNotification>()).get();
+
+    PNOTIF->text  = text;
+    PNOTIF->color = color;
+    PNOTIF->started.reset();
+    PNOTIF->timeMs = timeMs;
+}
+
+wlr_box CHyprNotificationOverlay::drawNotifications(CMonitor* pMonitor) {
+    static constexpr auto ANIM_DURATION_MS   = 600.0;
+    static constexpr auto ANIM_LAG_MS        = 100.0;
+    static constexpr auto NOTIF_LEFTBAR_SIZE = 5.0;
+
+    float                 offsetY  = 10;
+    float                 maxWidth = 0;
+
+    const auto            SCALE    = pMonitor->scale;
+    const auto            FONTSIZE = std::clamp((int)(10.f * ((pMonitor->vecPixelSize.x * SCALE) / 1920.f)), 8, 40);
+
+    const auto            MONSIZE = pMonitor->vecPixelSize;
+
+    cairo_select_font_face(m_pCairo, "Noto Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
+    cairo_set_font_size(m_pCairo, FONTSIZE);
+
+    cairo_text_extents_t cairoExtents;
+
+    const auto           PBEZIER = g_pAnimationManager->getBezier("default");
+
+    for (auto& notif : m_dNotifications) {
+        // first rect (bg, col)
+        const float FIRSTRECTANIMP =
+            (notif->started.getMillis() > (ANIM_DURATION_MS - ANIM_LAG_MS) ?
+                 (notif->started.getMillis() > notif->timeMs - (ANIM_DURATION_MS - ANIM_LAG_MS) ? notif->timeMs - notif->started.getMillis() : (ANIM_DURATION_MS - ANIM_LAG_MS)) :
+                 notif->started.getMillis()) /
+            (ANIM_DURATION_MS - ANIM_LAG_MS);
+
+        const float FIRSTRECTPERC = FIRSTRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(FIRSTRECTANIMP);
+
+        // second rect (fg, black)
+        const float SECONDRECTANIMP = (notif->started.getMillis() > ANIM_DURATION_MS ?
+                                           (notif->started.getMillis() > notif->timeMs - ANIM_DURATION_MS ? notif->timeMs - notif->started.getMillis() : ANIM_DURATION_MS) :
+                                           notif->started.getMillis()) /
+            ANIM_DURATION_MS;
+
+        const float SECONDRECTPERC = SECONDRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(SECONDRECTANIMP);
+
+        // third rect (horiz, col)
+        const float THIRDRECTPERC = notif->started.getMillis() / notif->timeMs;
+
+        // get text size
+        cairo_text_extents(m_pCairo, notif->text.c_str(), &cairoExtents);
+
+        cairo_set_source_rgba(m_pCairo, notif->color.r, notif->color.g, notif->color.b, notif->color.a);
+
+        const auto NOTIFSIZE = Vector2D{cairoExtents.width + 20, cairoExtents.height + 10};
+
+        // draw rects
+        cairo_rectangle(m_pCairo, MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, offsetY, (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, NOTIFSIZE.y);
+        cairo_fill(m_pCairo);
+
+        cairo_set_source_rgb(m_pCairo, 0.f, 0.f, 0.f);
+
+        cairo_rectangle(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC, offsetY, NOTIFSIZE.x * SECONDRECTPERC, NOTIFSIZE.y);
+        cairo_fill(m_pCairo);
+
+        cairo_set_source_rgba(m_pCairo, notif->color.r, notif->color.g, notif->color.b, notif->color.a);
+
+        cairo_rectangle(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC + 3, offsetY + NOTIFSIZE.y - 4, THIRDRECTPERC * (NOTIFSIZE.x - 6), 2);
+        cairo_fill(m_pCairo);
+
+        // draw text
+        cairo_set_source_rgb(m_pCairo, 1.f, 1.f, 1.f);
+        cairo_move_to(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC + NOTIF_LEFTBAR_SIZE, offsetY + FONTSIZE + (FONTSIZE / 10.0));
+        cairo_show_text(m_pCairo, notif->text.c_str());
+
+        // adjust offset and move on
+        offsetY += NOTIFSIZE.y + 10;
+
+        if (maxWidth < NOTIFSIZE.x)
+            maxWidth = NOTIFSIZE.x;
+    }
+
+    // cleanup notifs
+    std::erase_if(m_dNotifications, [](const auto& notif) { return notif->started.getMillis() > notif->timeMs; });
+
+    return wlr_box{(int)(pMonitor->vecPosition.x + pMonitor->vecSize.x - maxWidth - 20), (int)pMonitor->vecPosition.y, (int)maxWidth + 20, (int)offsetY + 10};
+}
+
+void CHyprNotificationOverlay::draw(CMonitor* pMonitor) {
+
+    if (m_pLastMonitor != pMonitor || !m_pCairo || !m_pCairoSurface) {
+
+        if (m_pCairo && m_pCairoSurface) {
+            cairo_destroy(m_pCairo);
+            cairo_surface_destroy(m_pCairoSurface);
+        }
+
+        m_pCairoSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y);
+        m_pCairo        = cairo_create(m_pCairoSurface);
+        m_pLastMonitor  = pMonitor;
+    }
+
+    // Draw the notifications
+    if (m_dNotifications.size() == 0)
+        return;
+
+    // Render to the monitor
+
+    // clear the pixmap
+    cairo_save(m_pCairo);
+    cairo_set_operator(m_pCairo, CAIRO_OPERATOR_CLEAR);
+    cairo_paint(m_pCairo);
+    cairo_restore(m_pCairo);
+
+    cairo_surface_flush(m_pCairoSurface);
+
+    wlr_box damage = drawNotifications(pMonitor);
+
+    g_pHyprRenderer->damageBox(&damage);
+    g_pHyprRenderer->damageBox(&m_bLastDamage);
+
+    g_pCompositor->scheduleFrameForMonitor(pMonitor);
+
+    m_bLastDamage = damage;
+
+    // copy the data to an OpenGL texture we have
+    const auto DATA = cairo_image_surface_get_data(m_pCairoSurface);
+    m_tTexture.allocate();
+    glBindTexture(GL_TEXTURE_2D, m_tTexture.m_iTexID);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+#ifndef GLES2
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
+#endif
+
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
+
+    wlr_box pMonBox = {0, 0, pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y};
+    g_pHyprOpenGL->renderTexture(m_tTexture, &pMonBox, 1.f);
+}

src/debug/HyprNotificationOverlay.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "../defines.hpp"
+#include "../helpers/Timer.hpp"
+#include "../helpers/Monitor.hpp"
+#include "../render/Texture.hpp"
+
+#include <deque>
+
+#include <cairo/cairo.h>
+
+struct SNotification {
+    std::string text = "";
+    CColor      color;
+    CTimer      started;
+    float       timeMs = 0;
+};
+
+class CHyprNotificationOverlay {
+  public:
+    CHyprNotificationOverlay();
+
+    void draw(CMonitor* pMonitor);
+    void addNotification(const std::string& text, const CColor& color, const float timeMs);
+
+  private:
+    wlr_box                                    drawNotifications(CMonitor* pMonitor);
+    wlr_box                                    m_bLastDamage;
+
+    std::deque<std::unique_ptr<SNotification>> m_dNotifications;
+
+    cairo_surface_t*                           m_pCairoSurface = nullptr;
+    cairo_t*                                   m_pCairo        = nullptr;
+
+    CMonitor*                                  m_pLastMonitor = nullptr;
+
+    CTexture                                   m_tTexture;
+};
+
+inline std::unique_ptr<CHyprNotificationOverlay> g_pHyprNotificationOverlay;

src/defines.hpp

@@ -89,4 +89,4 @@
 
 #define SPECIAL_WORKSPACE_START (-99)
 
-#define PI 3.14159265358979
+#define PI 3.14159265358979

src/events/Devices.cpp

@@ -109,10 +109,8 @@ void Events::listener_newConstraint(wl_listener* listener, void* data) {
     if (g_pCompositor->m_pLastFocus == PCONSTRAINT->surface) {
         g_pInputManager->constrainMouse(CONSTRAINT->pMouse, PCONSTRAINT);
 
-        if (!CONSTRAINT->hintSet) {
-            const auto PWINDOW       = g_pCompositor->getConstraintWindow(g_pCompositor->m_sSeat.mouse);
+        if (!CONSTRAINT->hintSet)
             CONSTRAINT->positionHint = Vector2D{-1, -1};
-        }
     }
 }
 

src/events/Events.hpp

@@ -58,6 +58,7 @@ namespace Events {
     DYNLISTENFUNC(requestResize);
     DYNLISTENFUNC(requestMinimize);
     DYNLISTENFUNC(requestMaximize);
+    DYNLISTENFUNC(setOverrideRedirect);
 
     // Window subsurfaces
     // LISTENER(newSubsurfaceWindow);

src/events/Monitors.cpp

@@ -197,6 +197,8 @@ void Events::listener_monitorFrame(void* owner, void* data) {
         return;
     }
 
+    PMONITOR->renderingActive = true;
+
     // we need to cleanup fading out when rendering the appropriate context
     g_pCompositor->cleanupFadingOut(PMONITOR->ID);
 
@@ -207,6 +209,8 @@ void Events::listener_monitorFrame(void* owner, void* data) {
         if (*PDAMAGEBLINK || *PVFR == 0)
             g_pCompositor->scheduleFrameForMonitor(PMONITOR);
 
+        PMONITOR->renderingActive = false;
+
         return;
     }
 
@@ -256,9 +260,10 @@ void Events::listener_monitorFrame(void* owner, void* data) {
 
         g_pHyprRenderer->renderAllClientsForMonitor(PMONITOR->ID, &now);
 
-        // if correct monitor draw hyprerror
-        if (PMONITOR == g_pCompositor->m_vMonitors.front().get())
+        if (PMONITOR == g_pCompositor->m_pLastMonitor) {
+            g_pHyprNotificationOverlay->draw(PMONITOR);
             g_pHyprError->draw();
+        }
 
         // for drawing the debug overlay
         if (PMONITOR == g_pCompositor->m_vMonitors.front().get() && *PDEBUGOVERLAY == 1) {
@@ -306,12 +311,16 @@ void Events::listener_monitorFrame(void* owner, void* data) {
     pixman_region32_fini(&frameDamage);
     pixman_region32_fini(&damage);
 
+    PMONITOR->renderingActive = false;
+
     if (!wlr_output_commit(PMONITOR->output))
         return;
 
-    if (*PDAMAGEBLINK || *PVFR == 0)
+    if (*PDAMAGEBLINK || *PVFR == 0 || PMONITOR->pendingFrame)
         g_pCompositor->scheduleFrameForMonitor(PMONITOR);
 
+    PMONITOR->pendingFrame = false;
+
     if (*PDEBUGOVERLAY == 1) {
         const float µs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - startRender).count() / 1000.f;
         g_pDebugOverlay->renderData(PMONITOR, µs);

src/events/Windows.cpp

@@ -446,7 +446,6 @@ void Events::listener_mapWindow(void* owner, void* data) {
         PWINDOW->hyprListener_fullscreenWindow.initCallback(&PWINDOW->m_uSurface.xwayland->events.request_fullscreen, &Events::listener_fullscreenWindow, PWINDOW,
                                                             "XWayland Window Late");
         PWINDOW->hyprListener_activateX11.initCallback(&PWINDOW->m_uSurface.xwayland->events.request_activate, &Events::listener_activateX11, PWINDOW, "XWayland Window Late");
-        PWINDOW->hyprListener_configureX11.initCallback(&PWINDOW->m_uSurface.xwayland->events.request_configure, &Events::listener_configureX11, PWINDOW, "XWayland Window Late");
         PWINDOW->hyprListener_setTitleWindow.initCallback(&PWINDOW->m_uSurface.xwayland->events.set_title, &Events::listener_setTitleWindow, PWINDOW, "XWayland Window Late");
         PWINDOW->hyprListener_requestMinimize.initCallback(&PWINDOW->m_uSurface.xwayland->events.request_minimize, &Events::listener_requestMinimize, PWINDOW,
                                                            "Xwayland Window Late");
@@ -596,7 +595,6 @@ void Events::listener_unmapWindow(void* owner, void* data) {
         Debug::log(LOG, "Unregistered late callbacks XWL");
         PWINDOW->hyprListener_fullscreenWindow.removeCallback();
         PWINDOW->hyprListener_activateX11.removeCallback();
-        PWINDOW->hyprListener_configureX11.removeCallback();
         PWINDOW->hyprListener_setTitleWindow.removeCallback();
         PWINDOW->hyprListener_setGeometryX11U.removeCallback();
         PWINDOW->hyprListener_requestMaximize.removeCallback();
@@ -889,26 +887,24 @@ void Events::listener_activateX11(void* owner, void* data) {
 }
 
 void Events::listener_configureX11(void* owner, void* data) {
-    CWindow* PWINDOW = (CWindow*)owner;
-
-    if (!g_pCompositor->windowValidMapped(PWINDOW))
-        return;
+    CWindow*   PWINDOW = (CWindow*)owner;
 
     const auto E = (wlr_xwayland_surface_configure_event*)data;
-    g_pHyprRenderer->damageWindow(PWINDOW);
-
-    if (!PWINDOW->m_bIsFloating || PWINDOW->m_bIsFullscreen) {
-        g_pXWaylandManager->setWindowSize(PWINDOW, PWINDOW->m_vRealSize.goalv(), true);
-        g_pInputManager->refocus();
-        g_pHyprRenderer->damageWindow(PWINDOW);
-        return;
-    }
 
     if (!PWINDOW->m_uSurface.xwayland->mapped || !PWINDOW->m_bMappedX11) {
         wlr_xwayland_surface_configure(PWINDOW->m_uSurface.xwayland, E->x, E->y, E->width, E->height);
         return;
     }
 
+    g_pHyprRenderer->damageWindow(PWINDOW);
+
+    if (!PWINDOW->m_bIsFloating || PWINDOW->m_bIsFullscreen || g_pInputManager->currentlyDraggedWindow == PWINDOW) {
+        g_pXWaylandManager->setWindowSize(PWINDOW, PWINDOW->m_vRealSize.goalv(), true);
+        g_pInputManager->refocus();
+        g_pHyprRenderer->damageWindow(PWINDOW);
+        return;
+    }
+
     if (E->width > 1 && E->height > 1)
         PWINDOW->setHidden(false);
     else
@@ -974,6 +970,14 @@ void Events::listener_unmanagedSetGeometry(void* owner, void* data) {
     }
 }
 
+void Events::listener_setOverrideRedirect(void* owner, void* data) {
+    const auto PWINDOW = (CWindow*)owner;
+
+    if (!PWINDOW->m_bIsMapped && PWINDOW->m_uSurface.xwayland->mapped) {
+        Events::listener_mapWindow(PWINDOW, nullptr);
+    }
+}
+
 void Events::listener_surfaceXWayland(wl_listener* listener, void* data) {
     const auto XWSURFACE = (wlr_xwayland_surface*)data;
 
@@ -993,6 +997,8 @@ void Events::listener_surfaceXWayland(wl_listener* listener, void* data) {
     PNEWWINDOW->hyprListener_mapWindow.initCallback(&XWSURFACE->events.map, &Events::listener_mapWindow, PNEWWINDOW, "XWayland Window");
     PNEWWINDOW->hyprListener_unmapWindow.initCallback(&XWSURFACE->events.unmap, &Events::listener_unmapWindow, PNEWWINDOW, "XWayland Window");
     PNEWWINDOW->hyprListener_destroyWindow.initCallback(&XWSURFACE->events.destroy, &Events::listener_destroyWindow, PNEWWINDOW, "XWayland Window");
+    PNEWWINDOW->hyprListener_setOverrideRedirect.initCallback(&XWSURFACE->events.set_override_redirect, &Events::listener_setOverrideRedirect, PNEWWINDOW, "XWayland Window");
+    PNEWWINDOW->hyprListener_configureX11.initCallback(&XWSURFACE->events.request_configure, &Events::listener_configureX11, PNEWWINDOW, "XWayland Window");
 }
 
 void Events::listener_newXDGSurface(wl_listener* listener, void* data) {

src/helpers/Color.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "../includes.hpp"
+#include <cstdint>
 
 class CColor {
   public:
@@ -13,7 +13,7 @@ class CColor {
     uint64_t getAsHex();
 
     CColor   operator-(const CColor& c2) const {
-          return CColor(r - c2.r, g - c2.g, b - c2.b, a - c2.a);
+        return CColor(r - c2.r, g - c2.g, b - c2.b, a - c2.a);
     }
 
     CColor operator+(const CColor& c2) const {

src/helpers/Monitor.hpp

@@ -42,6 +42,9 @@ class CMonitor {
     bool                enabled10bit  = false; // as above, this can be TRUE even if 10 bit failed.
     bool                createdByUser = false;
 
+    bool                pendingFrame    = false; // if we schedule a frame during rendering, reschedule it after
+    bool                renderingActive = false;
+
     // mirroring
     CMonitor*              pMirrorOf = nullptr;
     std::vector<CMonitor*> mirrors;

src/hyprerror/HyprError.cpp

@@ -4,6 +4,22 @@
 CHyprError::CHyprError() {
     m_fFadeOpacity.create(AVARTYPE_FLOAT, g_pConfigManager->getAnimationPropertyConfig("fadeIn"), nullptr, AVARDAMAGE_NONE);
     m_fFadeOpacity.registerVar();
+
+    g_pHookSystem->hookDynamic("focusedMon", [&](void* self, std::any param) {
+        if (!m_bIsCreated)
+            return;
+
+        g_pHyprRenderer->damageMonitor(g_pCompositor->m_pLastMonitor);
+        m_bMonitorChanged = true;
+    });
+
+    g_pHookSystem->hookDynamic("preRender", [&](void* self, std::any param) {
+        if (!m_bIsCreated)
+            return;
+
+        if (m_fFadeOpacity.isBeingAnimated() || m_bMonitorChanged)
+            g_pHyprRenderer->damageBox(&m_bDamageBox);
+    });
 }
 
 CHyprError::~CHyprError() {
@@ -54,7 +70,7 @@ void CHyprError::createQueued() {
     const double HEIGHT = (FONTSIZE + 2 * (FONTSIZE / 10.0)) * LINECOUNT + 3;
     const double RADIUS = PAD > HEIGHT / 2 ? HEIGHT / 2 - 1 : PAD;
 
-    m_bDamageBox = {(int)PMONITOR->vecPosition.x, (int)PMONITOR->vecPosition.y, (int)PMONITOR->vecPixelSize.x, (int)HEIGHT + (int)PAD * 2};
+    m_bDamageBox = {0, 0, (int)PMONITOR->vecPixelSize.x, (int)HEIGHT + (int)PAD * 2};
 
     cairo_new_sub_path(CAIRO);
     cairo_arc(CAIRO, X + WIDTH - RADIUS, Y + RADIUS, RADIUS, -90 * DEGREES, 0 * DEGREES);
@@ -137,16 +153,18 @@ void CHyprError::draw() {
         }
     }
 
-    const auto PMONITOR = g_pCompositor->m_vMonitors.front().get();
+    const auto PMONITOR = g_pHyprOpenGL->m_RenderData.pMonitor;
 
-    if (g_pHyprOpenGL->m_RenderData.pMonitor != PMONITOR)
-        return; // wrong mon
+    wlr_box    monbox = {0, 0, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y};
 
-    wlr_box monbox = {0, 0, PMONITOR->vecPixelSize.x, PMONITOR->vecPixelSize.y};
+    m_bDamageBox.x = (int)PMONITOR->vecPosition.x;
+    m_bDamageBox.y = (int)PMONITOR->vecPosition.y;
 
-    if (m_fFadeOpacity.isBeingAnimated())
+    if (m_fFadeOpacity.isBeingAnimated() || m_bMonitorChanged)
         g_pHyprRenderer->damageBox(&m_bDamageBox);
 
+    m_bMonitorChanged = false;
+
     g_pHyprOpenGL->renderTexture(m_tTexture, &monbox, m_fFadeOpacity.fl(), 0);
 }
 

src/hyprerror/HyprError.hpp

@@ -24,6 +24,8 @@ class CHyprError {
     CTexture          m_tTexture;
     CAnimatedVariable m_fFadeOpacity;
     wlr_box           m_bDamageBox = {0, 0, 0, 0};
+
+    bool              m_bMonitorChanged = false;
 };
 
 inline std::unique_ptr<CHyprError> g_pHyprError; // This is a full-screen error. Treat it with respect, and there can only be one at a time.

src/layout/DwindleLayout.cpp

@@ -179,6 +179,10 @@ void CHyprDwindleLayout::applyNodeDataToWindow(SDwindleNodeData* pNode, bool for
         }
     }
 
+    const auto RESERVED = PWINDOW->getFullWindowReservedArea();
+    calcPos             = calcPos + RESERVED.topLeft;
+    calcSize            = calcSize - (RESERVED.topLeft + RESERVED.bottomRight);
+
     if (g_pCompositor->isWorkspaceSpecial(PWINDOW->m_iWorkspaceID)) {
         // if special, we adjust the coords a bit
         static auto* const PSCALEFACTOR = &g_pConfigManager->getConfigValuePtr("dwindle:special_scale_factor")->floatValue;

src/layout/IHyprLayout.cpp

@@ -272,7 +272,8 @@ void IHyprLayout::onMouseMove(const Vector2D& mousePos) {
     const auto DELTA     = Vector2D(mousePos.x - m_vBeginDragXY.x, mousePos.y - m_vBeginDragXY.y);
     const auto TICKDELTA = Vector2D(mousePos.x - m_vLastDragXY.x, mousePos.y - m_vLastDragXY.y);
 
-    const auto PANIMATE = &g_pConfigManager->getConfigValuePtr("misc:animate_manual_resizes")->intValue;
+    const auto PANIMATEMOUSE = &g_pConfigManager->getConfigValuePtr("misc:animate_mouse_windowdragging")->intValue;
+    const auto PANIMATE      = &g_pConfigManager->getConfigValuePtr("misc:animate_manual_resizes")->intValue;
 
     if (abs(TICKDELTA.x) < 1.f && abs(TICKDELTA.y) < 1.f)
         return;
@@ -283,7 +284,7 @@ void IHyprLayout::onMouseMove(const Vector2D& mousePos) {
 
     if (g_pInputManager->dragMode == MBIND_MOVE) {
 
-        if (*PANIMATE) {
+        if (*PANIMATEMOUSE) {
             DRAGGINGWINDOW->m_vRealPosition = m_vBeginDragPositionXY + DELTA;
         } else {
             DRAGGINGWINDOW->m_vRealPosition.setValueAndWarp(m_vBeginDragPositionXY + DELTA);

src/layout/MasterLayout.cpp

@@ -264,7 +264,7 @@ void CHyprMasterLayout::calculateWorkspace(const int& ws) {
     if (getNodesOnWorkspace(PWORKSPACE->m_iID) < 2 && !(ORIENTATION_CENTER == orientation)) {
         PMASTERNODE->position = PMONITOR->vecReservedTopLeft + PMONITOR->vecPosition;
         PMASTERNODE->size     = Vector2D(PMONITOR->vecSize.x - PMONITOR->vecReservedTopLeft.x - PMONITOR->vecReservedBottomRight.x,
-                                         PMONITOR->vecSize.y - PMONITOR->vecReservedBottomRight.y - PMONITOR->vecReservedTopLeft.y);
+                                     PMONITOR->vecSize.y - PMONITOR->vecReservedBottomRight.y - PMONITOR->vecReservedTopLeft.y);
         applyNodeDataToWindow(PMASTERNODE);
         return;
     } else if (orientation == ORIENTATION_LEFT || orientation == ORIENTATION_RIGHT) {
@@ -512,6 +512,10 @@ void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
     calcPos  = calcPos + OFFSETTOPLEFT;
     calcSize = calcSize - OFFSETTOPLEFT - OFFSETBOTTOMRIGHT;
 
+    const auto RESERVED = PWINDOW->getFullWindowReservedArea();
+    calcPos             = calcPos + RESERVED.topLeft;
+    calcSize            = calcSize - (RESERVED.topLeft + RESERVED.bottomRight);
+
     if (g_pCompositor->isWorkspaceSpecial(PWINDOW->m_iWorkspaceID)) {
         static auto* const PSCALEFACTOR = &g_pConfigManager->getConfigValuePtr("master:special_scale_factor")->floatValue;
 

src/managers/HookSystemManager.cpp

@@ -1,44 +1,79 @@
 #include "HookSystemManager.hpp"
 
+#include "../plugins/PluginSystem.hpp"
+
 CHookSystemManager::CHookSystemManager() {
     ; //
 }
 
 // returns the pointer to the function
-HOOK_CALLBACK_FN* CHookSystemManager::hookDynamic(const std::string& event, HOOK_CALLBACK_FN fn) {
+HOOK_CALLBACK_FN* CHookSystemManager::hookDynamic(const std::string& event, HOOK_CALLBACK_FN fn, HANDLE handle) {
     const auto PVEC = getVecForEvent(event);
     const auto PFN  = &m_lCallbackFunctions.emplace_back(fn);
-    PVEC->emplace_back(PFN);
+    PVEC->emplace_back(SCallbackFNPtr{PFN, handle});
     return PFN;
 }
 
-void CHookSystemManager::hookStatic(const std::string& event, HOOK_CALLBACK_FN* fn) {
+void CHookSystemManager::hookStatic(const std::string& event, HOOK_CALLBACK_FN* fn, HANDLE handle) {
     const auto PVEC = getVecForEvent(event);
-    PVEC->emplace_back(fn);
+    PVEC->emplace_back(SCallbackFNPtr{fn, handle});
 }
 
 void CHookSystemManager::unhook(HOOK_CALLBACK_FN* fn) {
     std::erase_if(m_lCallbackFunctions, [&](const auto& other) { return &other == fn; });
     for (auto& [k, v] : m_lpRegisteredHooks) {
-        std::erase_if(v, [&](const auto& other) { return other == fn; });
+        std::erase_if(v, [&](const auto& other) { return other.fn == fn; });
     }
 }
 
-void CHookSystemManager::emit(const std::vector<HOOK_CALLBACK_FN*>* callbacks, std::any data) {
+void CHookSystemManager::emit(const std::vector<SCallbackFNPtr>* callbacks, std::any data) {
     if (callbacks->empty())
         return;
 
-    for (auto& cb : *callbacks)
-        (*cb)(cb, data);
+    std::vector<HANDLE> faultyHandles;
+
+    for (auto& cb : *callbacks) {
+
+        m_bCurrentEventPlugin = false;
+
+        if (!cb.handle) {
+            // we don't guard hl hooks
+            (*cb.fn)(cb.fn, data);
+            continue;
+        }
+
+        m_bCurrentEventPlugin = true;
+
+        if (std::find(faultyHandles.begin(), faultyHandles.end(), cb.handle) != faultyHandles.end())
+            continue;
+
+        try {
+            if (!setjmp(m_jbHookFaultJumpBuf))
+                (*cb.fn)(cb.fn, data);
+            else {
+                // this module crashed.
+                throw std::exception();
+            }
+        } catch (std::exception& e) {
+            // TODO: this works only once...?
+            faultyHandles.push_back(cb.handle);
+            Debug::log(ERR, " [hookSystem] Hook from plugin %lx caused a SIGSEGV, queueing for unloading.", cb.handle);
+        }
+    }
+
+    if (!faultyHandles.empty()) {
+        for (auto& h : faultyHandles)
+            g_pPluginSystem->unloadPlugin(g_pPluginSystem->getPluginByHandle(h), true);
+    }
 }
 
-std::vector<HOOK_CALLBACK_FN*>* CHookSystemManager::getVecForEvent(const std::string& event) {
+std::vector<SCallbackFNPtr>* CHookSystemManager::getVecForEvent(const std::string& event) {
     auto IT = std::find_if(m_lpRegisteredHooks.begin(), m_lpRegisteredHooks.end(), [&](const auto& other) { return other.first == event; });
 
     if (IT != m_lpRegisteredHooks.end())
         return &IT->second;
 
-    Debug::log(LOG, "[hookSystem] New hook event registered: %s", event.c_str());
+    Debug::log(LOG, " [hookSystem] New hook event registered: %s", event.c_str());
 
-    return &m_lpRegisteredHooks.emplace_back(std::make_pair<>(event, std::vector<HOOK_CALLBACK_FN*>{})).second;
+    return &m_lpRegisteredHooks.emplace_back(std::make_pair<>(event, std::vector<SCallbackFNPtr>{})).second;
 }

src/managers/HookSystemManager.hpp

@@ -4,11 +4,21 @@
 
 #include <unordered_map>
 #include <any>
+#include <array>
 #include <list>
 
+#include <csetjmp>
+
+#include "../plugins/PluginAPI.hpp"
+
 // global typedef for hooked functions. Passes itself as a ptr when called, and `data` additionally.
 typedef std::function<void(void*, std::any)> HOOK_CALLBACK_FN;
 
+struct SCallbackFNPtr {
+    HOOK_CALLBACK_FN* fn     = nullptr;
+    HANDLE            handle = nullptr;
+};
+
 #define EMIT_HOOK_EVENT(name, param)                                                                                                                                               \
     {                                                                                                                                                                              \
         static auto* const PEVENTVEC = g_pHookSystem->getVecForEvent(name);                                                                                                        \
@@ -20,17 +30,20 @@ class CHookSystemManager {
     CHookSystemManager();
 
     // returns the pointer to the function
-    HOOK_CALLBACK_FN*               hookDynamic(const std::string& event, HOOK_CALLBACK_FN fn);
-    void                            hookStatic(const std::string& event, HOOK_CALLBACK_FN* fn);
-    void                            unhook(HOOK_CALLBACK_FN* fn);
+    HOOK_CALLBACK_FN*            hookDynamic(const std::string& event, HOOK_CALLBACK_FN fn, HANDLE handle = nullptr);
+    void                         hookStatic(const std::string& event, HOOK_CALLBACK_FN* fn, HANDLE handle = nullptr);
+    void                         unhook(HOOK_CALLBACK_FN* fn);
 
-    void                            emit(const std::vector<HOOK_CALLBACK_FN*>* callbacks, std::any data = 0);
-    std::vector<HOOK_CALLBACK_FN*>* getVecForEvent(const std::string& event);
+    void                         emit(const std::vector<SCallbackFNPtr>* callbacks, std::any data = 0);
+    std::vector<SCallbackFNPtr>* getVecForEvent(const std::string& event);
+
+    bool                         m_bCurrentEventPlugin = false;
+    jmp_buf                      m_jbHookFaultJumpBuf;
 
   private:
     // todo: this is slow. Maybe static ptrs should be somehow allowed. unique ptr for vec?
-    std::list<std::pair<std::string, std::vector<HOOK_CALLBACK_FN*>>> m_lpRegisteredHooks;
-    std::list<HOOK_CALLBACK_FN>                                       m_lCallbackFunctions;
+    std::list<std::pair<std::string, std::vector<SCallbackFNPtr>>> m_lpRegisteredHooks;
+    std::list<HOOK_CALLBACK_FN>                                    m_lCallbackFunctions;
 };
 
 inline std::unique_ptr<CHookSystemManager> g_pHookSystem;

src/managers/KeybindManager.cpp

@@ -1770,6 +1770,11 @@ void CKeybindManager::focusWindow(std::string regexp) {
 
     Debug::log(LOG, "Focusing to window name: %s", PWINDOW->m_szTitle.c_str());
 
+    if (PWINDOW->isHidden() && PWINDOW->m_sGroupData.pNextWindow) {
+        // grouped, change the current to us
+        PWINDOW->setGroupCurrent(PWINDOW);
+    }
+
     g_pCompositor->focusWindow(PWINDOW);
 
     const auto MIDPOINT = PWINDOW->m_vRealPosition.goalv() + PWINDOW->m_vRealSize.goalv() / 2.f;

src/managers/KeybindManager.hpp

@@ -8,6 +8,7 @@
 
 class CInputManager;
 class CConfigManager;
+class CPluginSystem;
 
 struct SKeybind {
     std::string key     = "";

src/managers/LayoutManager.cpp

@@ -1,29 +1,51 @@
 #include "LayoutManager.hpp"
 
-IHyprLayout* CLayoutManager::getCurrentLayout() {
-    switch (m_iCurrentLayoutID) {
-        case LAYOUT_DWINDLE: return &m_cDwindleLayout;
-        case LAYOUT_MASTER: return &m_cMasterLayout;
-    }
+CLayoutManager::CLayoutManager() {
+    m_vLayouts.emplace_back(std::make_pair<>("dwindle", &m_cDwindleLayout));
+    m_vLayouts.emplace_back(std::make_pair<>("master", &m_cMasterLayout));
+}
 
-    // fallback
-    return &m_cDwindleLayout;
+IHyprLayout* CLayoutManager::getCurrentLayout() {
+    return m_vLayouts[m_iCurrentLayoutID].second;
 }
 
 void CLayoutManager::switchToLayout(std::string layout) {
-    if (layout == "dwindle") {
-        if (m_iCurrentLayoutID != LAYOUT_DWINDLE) {
+    for (size_t i = 0; i < m_vLayouts.size(); ++i) {
+        if (m_vLayouts[i].first == layout) {
             getCurrentLayout()->onDisable();
-            m_iCurrentLayoutID = LAYOUT_DWINDLE;
+            m_iCurrentLayoutID = i;
             getCurrentLayout()->onEnable();
+            return;
         }
-    } else if (layout == "master") {
-        if (m_iCurrentLayoutID != LAYOUT_MASTER) {
-            getCurrentLayout()->onDisable();
-            m_iCurrentLayoutID = LAYOUT_MASTER;
-            getCurrentLayout()->onEnable();
-        }
-    } else {
-        Debug::log(ERR, "Unknown layout %s!", layout.c_str());
     }
+
+    Debug::log(ERR, "Unknown layout!");
+}
+
+bool CLayoutManager::addLayout(const std::string& name, IHyprLayout* layout) {
+    if (std::find_if(m_vLayouts.begin(), m_vLayouts.end(), [&](const auto& other) { return other.first == name || other.second == layout; }) != m_vLayouts.end())
+        return false;
+
+    m_vLayouts.emplace_back(std::make_pair<>(name, layout));
+
+    Debug::log(LOG, "Added new layout %s at %lx", name.c_str(), layout);
+
+    return true;
+}
+
+bool CLayoutManager::removeLayout(IHyprLayout* layout) {
+    const auto IT = std::find_if(m_vLayouts.begin(), m_vLayouts.end(), [&](const auto& other) { return other.second == layout; });
+
+    if (IT == m_vLayouts.end() || IT->first == "dwindle" || IT->first == "master")
+        return false;
+
+    if (m_iCurrentLayoutID == IT - m_vLayouts.begin()) {
+        switchToLayout("dwindle");
+    }
+
+    Debug::log(LOG, "Removed a layout %s at %lx", IT->first.c_str(), layout);
+
+    std::erase(m_vLayouts, *IT);
+
+    return true;
 }

src/managers/LayoutManager.hpp

@@ -5,20 +5,28 @@
 
 class CLayoutManager {
   public:
+    CLayoutManager();
+
     IHyprLayout* getCurrentLayout();
 
     void         switchToLayout(std::string);
 
+    bool         addLayout(const std::string& name, IHyprLayout* layout);
+    bool         removeLayout(IHyprLayout* layout);
+
   private:
-    enum HYPRLAYOUTS {
+    enum HYPRLAYOUTS
+    {
         LAYOUT_DWINDLE = 0,
         LAYOUT_MASTER
     };
 
-    HYPRLAYOUTS        m_iCurrentLayoutID = LAYOUT_DWINDLE;
+    int                                               m_iCurrentLayoutID = LAYOUT_DWINDLE;
 
-    CHyprDwindleLayout m_cDwindleLayout;
-    CHyprMasterLayout  m_cMasterLayout;
+    CHyprDwindleLayout                                m_cDwindleLayout;
+    CHyprMasterLayout                                 m_cMasterLayout;
+
+    std::vector<std::pair<std::string, IHyprLayout*>> m_vLayouts;
 };
 
 inline std::unique_ptr<CLayoutManager> g_pLayoutManager;

src/managers/XWaylandManager.cpp

@@ -136,7 +136,7 @@ void CHyprXWaylandManager::sendCloseWindow(CWindow* pWindow) {
     }
 }
 
-void CHyprXWaylandManager::setWindowSize(CWindow* pWindow, const Vector2D& size, bool force) {
+void CHyprXWaylandManager::setWindowSize(CWindow* pWindow, Vector2D size, bool force) {
 
     if (!force &&
         ((pWindow->m_vReportedSize == size && pWindow->m_vRealPosition.vec() == pWindow->m_vReportedPosition) || (pWindow->m_vReportedSize == size && !pWindow->m_bIsX11)))

src/managers/XWaylandManager.hpp

@@ -17,7 +17,7 @@ class CHyprXWaylandManager {
     std::string   getTitle(CWindow*);
     std::string   getAppIDClass(CWindow*);
     void          sendCloseWindow(CWindow*);
-    void          setWindowSize(CWindow*, const Vector2D&, bool force = false);
+    void          setWindowSize(CWindow*, Vector2D, bool force = false);
     void          setWindowStyleTiled(CWindow*, uint32_t);
     void          setWindowFullscreen(CWindow*, bool);
     wlr_surface*  surfaceAt(CWindow*, const Vector2D&, Vector2D&);

src/managers/input/InputManager.cpp

@@ -69,11 +69,6 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
     if (!g_pCompositor->m_bReadyToProcess || g_pCompositor->m_bIsShuttingDown)
         return;
 
-    if (!g_pCompositor->m_sSeat.mouse) {
-        Debug::log(ERR, "BUG THIS: Mouse move on mouse nullptr!");
-        return;
-    }
-
     if (!g_pCompositor->m_bDPMSStateON && *PMOUSEDPMS) {
         // enable dpms
         g_pKeybindManager->dpms("on");
@@ -85,13 +80,15 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
     if (MOUSECOORDSFLOORED == m_vLastCursorPosFloored && !refocus)
         return;
 
+    EMIT_HOOK_EVENT("mouseMove", MOUSECOORDSFLOORED);
+
     m_vLastCursorPosFloored = MOUSECOORDSFLOORED;
 
     const auto PMONITOR = g_pCompositor->getMonitorFromCursor();
 
     // constraints
     // All constraints TODO: multiple mice?
-    if (g_pCompositor->m_sSeat.mouse->currentConstraint && !g_pCompositor->m_sSeat.exclusiveClient && !g_pSessionLockManager->isSessionLocked()) {
+    if (g_pCompositor->m_sSeat.mouse && g_pCompositor->m_sSeat.mouse->currentConstraint && !g_pCompositor->m_sSeat.exclusiveClient && !g_pSessionLockManager->isSessionLocked()) {
         // XWayland windows sometimes issue constraints weirdly.
         // TODO: We probably should search their parent. wlr_xwayland_surface->parent
         const auto CONSTRAINTWINDOW = g_pCompositor->getConstraintWindow(g_pCompositor->m_sSeat.mouse);
@@ -311,6 +308,18 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
             setCursorIconOnBorder(pFoundWindow);
         }
 
+        // if we're on an input deco, reset cursor. Don't on overriden
+        if (!m_bCursorImageOverriden) {
+            if (!VECINRECT(m_vLastCursorPosFloored, pFoundWindow->m_vRealPosition.vec().x, pFoundWindow->m_vRealPosition.vec().y,
+                           pFoundWindow->m_vRealPosition.vec().x + pFoundWindow->m_vRealSize.vec().x, pFoundWindow->m_vRealPosition.vec().y + pFoundWindow->m_vRealSize.vec().y)) {
+                wlr_xcursor_manager_set_cursor_image(g_pCompositor->m_sWLRXCursorMgr, "left_ptr", g_pCompositor->m_sWLRCursor);
+                cursorSurfaceInfo.bUsed = false;
+            } else if (!cursorSurfaceInfo.bUsed) {
+                cursorSurfaceInfo.bUsed = true;
+                wlr_cursor_set_surface(g_pCompositor->m_sWLRCursor, cursorSurfaceInfo.pSurface, cursorSurfaceInfo.vHotspot.x, cursorSurfaceInfo.vHotspot.y);
+            }
+        }
+
         if (*PFOLLOWMOUSE != 1 && !refocus) {
             if (pFoundWindow != g_pCompositor->m_pLastWindow && g_pCompositor->m_pLastWindow &&
                 ((pFoundWindow->m_bIsFloating && *PFLOATBEHAVIOR == 2) || (g_pCompositor->m_pLastWindow->m_bIsFloating != pFoundWindow->m_bIsFloating && *PFLOATBEHAVIOR != 0))) {
@@ -365,6 +374,8 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
 void CInputManager::onMouseButton(wlr_pointer_button_event* e) {
     wlr_idle_notify_activity(g_pCompositor->m_sWLRIdle, g_pCompositor->m_sSeat.seat);
 
+    EMIT_HOOK_EVENT("mouseButton", e);
+
     m_tmrLastCursorMovement.reset();
 
     if (e->state == WLR_BUTTON_PRESSED) {
@@ -401,6 +412,15 @@ void CInputManager::processMouseRequest(wlr_seat_pointer_request_set_cursor_even
         return;
     }
 
+    cursorSurfaceInfo.pSurface = e->surface;
+
+    if (e->surface) {
+        hyprListener_CursorSurfaceDestroy.removeCallback();
+        hyprListener_CursorSurfaceDestroy.initCallback(
+            &e->surface->events.destroy, [&](void* owner, void* data) { cursorSurfaceInfo.pSurface = nullptr; }, this, "InputManager");
+        cursorSurfaceInfo.vHotspot = {e->hotspot_x, e->hotspot_y};
+    }
+
     if (e->seat_client == g_pCompositor->m_sSeat.seat->pointer_state.focused_client)
         wlr_cursor_set_surface(g_pCompositor->m_sWLRCursor, e->surface, e->hotspot_x, e->hotspot_y);
 }
@@ -462,7 +482,7 @@ void CInputManager::processMouseDownNormal(wlr_pointer_button_event* e) {
             if (*PFOLLOWMOUSE == 3) // don't refocus on full loose
                 break;
 
-            if (!g_pCompositor->m_sSeat.mouse->currentConstraint)
+            if (!g_pCompositor->m_sSeat.mouse || !g_pCompositor->m_sSeat.mouse->currentConstraint)
                 refocus();
 
             // if clicked on a floating window make it top
@@ -1094,7 +1114,7 @@ void CInputManager::constrainMouse(SMouse* pMouse, wlr_pointer_constraint_v1* co
 }
 
 void CInputManager::unconstrainMouse() {
-    if (!g_pCompositor->m_sSeat.mouse->currentConstraint)
+    if (!g_pCompositor->m_sSeat.mouse || !g_pCompositor->m_sSeat.mouse->currentConstraint)
         return;
 
     const auto CONSTRAINTWINDOW = g_pCompositor->getConstraintWindow(g_pCompositor->m_sSeat.mouse);

src/managers/input/InputManager.hpp

@@ -7,18 +7,21 @@
 #include "../../helpers/Timer.hpp"
 #include "InputMethodRelay.hpp"
 
-enum eClickBehaviorMode {
+enum eClickBehaviorMode
+{
     CLICKMODE_DEFAULT = 0,
     CLICKMODE_KILL
 };
 
-enum eMouseBindMode {
+enum eMouseBindMode
+{
     MBIND_INVALID = -1,
     MBIND_MOVE    = 0,
     MBIND_RESIZE
 };
 
-enum eBorderIconDirection {
+enum eBorderIconDirection
+{
     BORDERICON_NONE,
     BORDERICON_UP,
     BORDERICON_DOWN,
@@ -210,6 +213,14 @@ class CInputManager {
     void setBorderCursorIcon(eBorderIconDirection);
     void setCursorIconOnBorder(CWindow* w);
 
+    // cursor surface
+    struct cursorSI {
+        wlr_surface* pSurface = nullptr;
+        Vector2D     vHotspot;
+        bool         bUsed = false;
+    } cursorSurfaceInfo;
+    DYNLISTENER(CursorSurfaceDestroy);
+
     friend class CKeybindManager;
 };
 

src/managers/input/Touch.cpp

@@ -15,6 +15,13 @@ void CInputManager::onTouchDown(wlr_touch_down_event* e) {
 
     refocus();
 
+    if (m_ecbClickBehavior == CLICKMODE_KILL) {
+        wlr_pointer_button_event e;
+        e.state = WLR_BUTTON_PRESSED;
+        g_pInputManager->processMouseDownKill(&e);
+        return;
+    }
+
     m_bLastInputTouch = true;
 
     m_sTouchData.touchFocusWindow  = m_pFoundWindowToFocus;

src/meson.build

@@ -16,6 +16,7 @@ executable('Hyprland', src,
     xcb_dep,
     backtrace_dep,
     systemd_dep,
+    udis86,
 
     dependency('pixman-1'),
     dependency('gl', 'opengl'),

src/plugins/HookSystem.cpp

@@ -0,0 +1,191 @@
+#include "HookSystem.hpp"
+
+#define register
+#include <udis86.h>
+#undef register
+#include <sys/mman.h>
+#include <unistd.h>
+#include <cstring>
+
+CFunctionHook::CFunctionHook(HANDLE owner, void* source, void* destination) {
+    m_pSource      = source;
+    m_pDestination = destination;
+    m_pOwner       = owner;
+}
+
+CFunctionHook::~CFunctionHook() {
+    if (m_bActive) {
+        unhook();
+    }
+}
+
+size_t CFunctionHook::getInstructionLenAt(void* start) {
+    ud_t udis;
+
+    ud_init(&udis);
+    ud_set_mode(&udis, 64);
+    ud_set_syntax(&udis, UD_SYN_INTEL);
+
+    size_t curOffset = 1;
+    size_t insSize   = 0;
+    while (true) {
+        ud_set_input_buffer(&udis, (uint8_t*)start, curOffset);
+        insSize = ud_disassemble(&udis);
+        if (insSize != curOffset)
+            break;
+        curOffset++;
+    }
+
+    // check for RIP refs
+    std::string ins;
+    if (const auto CINS = ud_insn_asm(&udis); CINS)
+        ins = std::string(CINS);
+
+    if (!ins.empty() && ins.find("rip") != std::string::npos) {
+        // todo: support something besides call qword ptr [rip + 0xdeadbeef]
+        // I don't have an assembler. I don't think udis provides one. Besides, variables might be tricky.
+        if (((uint8_t*)start)[0] == 0xFF && ((uint8_t*)start)[1] == 0x15)
+            m_vTrampolineRIPUses.emplace_back(std::make_pair<>((uint64_t)start - (uint64_t)m_pSource, ins));
+    }
+
+    return insSize;
+}
+
+size_t CFunctionHook::probeMinimumJumpSize(void* start, size_t min) {
+
+    size_t size = 0;
+
+    while (size <= min) {
+        // find info about this instruction
+        size_t insLen = getInstructionLenAt(start + size);
+        size += insLen;
+    }
+
+    return size;
+}
+
+bool CFunctionHook::hook() {
+
+    // check for unsupported platforms
+#if !defined(__x86_64__)
+    return false;
+#endif
+
+    // movabs $0,%rax | jmpq *%rax
+    // offset for addr: 2
+    static constexpr uint8_t ABSOLUTE_JMP_ADDRESS[]      = {0x48, 0xB8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xE0};
+    static constexpr size_t  ABSOLUTE_JMP_ADDRESS_OFFSET = 2;
+    // pushq %rax
+    static constexpr uint8_t PUSH_RAX[] = {0x50};
+    // popq %rax
+    static constexpr uint8_t POP_RAX[] = {0x58};
+    // nop
+    static constexpr uint8_t NOP = 0x90;
+    /*
+        movabs $0,%rax
+        callq *%rax
+
+        offset for addr: 3
+    */
+    static constexpr uint8_t CALL_WITH_RAX[]              = {0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x10};
+    static constexpr size_t  CALL_WITH_RAX_ADDRESS_OFFSET = 2;
+
+    // get minimum size to overwrite
+    const auto HOOKSIZE = probeMinimumJumpSize(m_pSource, sizeof(ABSOLUTE_JMP_ADDRESS) + sizeof(PUSH_RAX) + sizeof(POP_RAX));
+
+    // alloc trampoline
+    const auto TRAMPOLINE_SIZE = sizeof(ABSOLUTE_JMP_ADDRESS) + HOOKSIZE + sizeof(PUSH_RAX) + m_vTrampolineRIPUses.size() * (sizeof(CALL_WITH_RAX) - 6);
+    m_pTrampolineAddr          = mmap(NULL, TRAMPOLINE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+    m_pOriginalBytes = malloc(HOOKSIZE);
+    memcpy(m_pOriginalBytes, m_pSource, HOOKSIZE);
+
+    // populate trampoline
+    memcpy(m_pTrampolineAddr, m_pSource, HOOKSIZE);                                                              // first, original func bytes
+    memcpy(m_pTrampolineAddr + HOOKSIZE, PUSH_RAX, sizeof(PUSH_RAX));                                            // then, pushq %rax
+    memcpy(m_pTrampolineAddr + HOOKSIZE + sizeof(PUSH_RAX), ABSOLUTE_JMP_ADDRESS, sizeof(ABSOLUTE_JMP_ADDRESS)); // then, jump to source
+
+    // fix trampoline %rip calls
+    for (size_t i = 0; i < m_vTrampolineRIPUses.size(); ++i) {
+        size_t callOffset      = i * (sizeof(CALL_WITH_RAX) - 6 /* callq [rip + x] */) + m_vTrampolineRIPUses[i].first;
+        size_t realCallAddress = (uint64_t)m_pSource + callOffset + 6 + *((uint32_t*)(m_pSource + callOffset + 2));
+
+        memmove(m_pTrampolineAddr + callOffset + sizeof(CALL_WITH_RAX), m_pTrampolineAddr + callOffset + 6, TRAMPOLINE_SIZE - callOffset - 6);
+        memcpy(m_pTrampolineAddr + callOffset, CALL_WITH_RAX, sizeof(CALL_WITH_RAX));
+
+        *(uint64_t*)(m_pTrampolineAddr + callOffset + CALL_WITH_RAX_ADDRESS_OFFSET) = (uint64_t)realCallAddress;
+    }
+
+    // fixup trampoline addr
+    *(uint64_t*)(m_pTrampolineAddr + TRAMPOLINE_SIZE - sizeof(ABSOLUTE_JMP_ADDRESS) + ABSOLUTE_JMP_ADDRESS_OFFSET) = (uint64_t)(m_pSource + sizeof(ABSOLUTE_JMP_ADDRESS));
+
+    // make jump to hk
+    mprotect(m_pSource - ((uint64_t)m_pSource) % sysconf(_SC_PAGE_SIZE), sysconf(_SC_PAGE_SIZE), PROT_READ | PROT_WRITE | PROT_EXEC);
+    memcpy(m_pSource, ABSOLUTE_JMP_ADDRESS, sizeof(ABSOLUTE_JMP_ADDRESS));
+
+    // make popq %rax and NOP all remaining
+    memcpy(m_pSource + sizeof(ABSOLUTE_JMP_ADDRESS), POP_RAX, sizeof(POP_RAX));
+    size_t currentOp = sizeof(ABSOLUTE_JMP_ADDRESS) + sizeof(POP_RAX);
+    memset(m_pSource + currentOp, NOP, HOOKSIZE - currentOp);
+
+    // fixup jump addr
+    *(uint64_t*)(m_pSource + ABSOLUTE_JMP_ADDRESS_OFFSET) = (uint64_t)(m_pDestination);
+
+    // revert mprot
+    mprotect(m_pSource - ((uint64_t)m_pSource) % sysconf(_SC_PAGE_SIZE), sysconf(_SC_PAGE_SIZE), PROT_READ | PROT_EXEC);
+
+    // set original addr to trampo addr
+    m_pOriginal = m_pTrampolineAddr;
+
+    m_bActive    = true;
+    m_iHookLen   = HOOKSIZE;
+    m_iTrampoLen = TRAMPOLINE_SIZE;
+
+    return true;
+}
+
+bool CFunctionHook::unhook() {
+    // check for unsupported platforms
+#if !defined(__x86_64__)
+    return false;
+#endif
+
+    if (!m_bActive)
+        return false;
+
+    // allow write to src
+    mprotect(m_pSource - ((uint64_t)m_pSource) % sysconf(_SC_PAGE_SIZE), sysconf(_SC_PAGE_SIZE), PROT_READ | PROT_WRITE | PROT_EXEC);
+
+    // write back original bytes
+    memcpy(m_pSource, m_pOriginalBytes, m_iHookLen);
+
+    // revert mprot
+    mprotect(m_pSource - ((uint64_t)m_pSource) % sysconf(_SC_PAGE_SIZE), sysconf(_SC_PAGE_SIZE), PROT_READ | PROT_EXEC);
+
+    // unmap
+    munmap(m_pTrampolineAddr, m_iTrampoLen);
+
+    // reset vars
+    m_bActive         = false;
+    m_iHookLen        = 0;
+    m_iTrampoLen      = 0;
+    m_pTrampolineAddr = nullptr;
+    m_pOriginalBytes  = nullptr;
+
+    free(m_pOriginalBytes);
+
+    return true;
+}
+
+CFunctionHook* CHookSystem::initHook(HANDLE owner, void* source, void* destination) {
+    return m_vHooks.emplace_back(std::make_unique<CFunctionHook>(owner, source, destination)).get();
+}
+
+bool CHookSystem::removeHook(CFunctionHook* hook) {
+    std::erase_if(m_vHooks, [&](const auto& other) { return other.get() == hook; });
+    return true; // todo: make false if not found
+}
+
+void CHookSystem::removeAllHooksFrom(HANDLE handle) {
+    std::erase_if(m_vHooks, [&](const auto& other) { return other->m_pOwner == handle; });
+}

src/plugins/HookSystem.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <memory>
+
+#define HANDLE void*
+
+class CFunctionHook {
+  public:
+    CFunctionHook(HANDLE owner, void* source, void* destination);
+    ~CFunctionHook();
+
+    bool hook();
+    bool unhook();
+
+    CFunctionHook(const CFunctionHook&) = delete;
+    CFunctionHook(CFunctionHook&&)      = delete;
+    CFunctionHook& operator=(const CFunctionHook&) = delete;
+    CFunctionHook& operator=(CFunctionHook&&) = delete;
+
+    void*          m_pOriginal = nullptr;
+
+  private:
+    void*                                       m_pSource         = nullptr;
+    void*                                       m_pFunctionAddr   = nullptr;
+    void*                                       m_pTrampolineAddr = nullptr;
+    void*                                       m_pDestination    = nullptr;
+    size_t                                      m_iHookLen        = 0;
+    size_t                                      m_iTrampoLen      = 0;
+    HANDLE                                      m_pOwner          = nullptr;
+    bool                                        m_bActive         = false;
+
+    std::vector<std::pair<size_t, std::string>> m_vTrampolineRIPUses;
+
+    void*                                       m_pOriginalBytes = nullptr;
+
+    size_t                                      probeMinimumJumpSize(void* start, size_t min);
+    size_t                                      getInstructionLenAt(void* start);
+
+    friend class CHookSystem;
+};
+
+class CHookSystem {
+  public:
+    CFunctionHook* initHook(HANDLE handle, void* source, void* destination);
+    bool           removeHook(CFunctionHook* hook);
+
+    void           removeAllHooksFrom(HANDLE handle);
+
+  private:
+    std::vector<std::unique_ptr<CFunctionHook>> m_vHooks;
+};
+
+inline std::unique_ptr<CHookSystem> g_pFunctionHookSystem;

src/plugins/PluginAPI.cpp

@@ -0,0 +1,193 @@
+#include "PluginAPI.hpp"
+#include "../Compositor.hpp"
+#include "../debug/HyprCtl.hpp"
+#include <dlfcn.h>
+
+APICALL bool HyprlandAPI::registerCallbackStatic(HANDLE handle, const std::string& event, HOOK_CALLBACK_FN* fn) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    g_pHookSystem->hookStatic(event, fn, handle);
+    PLUGIN->registeredCallbacks.emplace_back(std::make_pair<>(event, fn));
+
+    return true;
+}
+
+APICALL HOOK_CALLBACK_FN* HyprlandAPI::registerCallbackDynamic(HANDLE handle, const std::string& event, HOOK_CALLBACK_FN fn) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return nullptr;
+
+    auto* const PFN = g_pHookSystem->hookDynamic(event, fn, handle);
+    PLUGIN->registeredCallbacks.emplace_back(std::make_pair<>(event, PFN));
+    return PFN;
+}
+
+APICALL bool HyprlandAPI::unregisterCallback(HANDLE handle, HOOK_CALLBACK_FN* fn) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    g_pHookSystem->unhook(fn);
+    std::erase_if(PLUGIN->registeredCallbacks, [&](const auto& other) { return other.second == fn; });
+
+    return true;
+}
+
+APICALL std::string HyprlandAPI::invokeHyprctlCommand(const std::string& call, const std::string& args, const std::string& format) {
+    std::string COMMAND = format + "/" + call + " " + args;
+    return HyprCtl::makeDynamicCall(COMMAND);
+}
+
+APICALL bool HyprlandAPI::addLayout(HANDLE handle, const std::string& name, IHyprLayout* layout) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    PLUGIN->registeredLayouts.push_back(layout);
+
+    return g_pLayoutManager->addLayout(name, layout);
+}
+
+APICALL bool HyprlandAPI::removeLayout(HANDLE handle, IHyprLayout* layout) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    std::erase(PLUGIN->registeredLayouts, layout);
+
+    return g_pLayoutManager->removeLayout(layout);
+}
+
+APICALL bool HyprlandAPI::reloadConfig() {
+    g_pConfigManager->m_bForceReload = true;
+    return true;
+}
+
+APICALL bool HyprlandAPI::addNotification(HANDLE handle, const std::string& text, const CColor& color, const float timeMs) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    g_pHyprNotificationOverlay->addNotification(text, color, timeMs);
+
+    return true;
+}
+
+APICALL CFunctionHook* HyprlandAPI::createFunctionHook(HANDLE handle, const void* source, const void* destination) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return nullptr;
+
+    return g_pFunctionHookSystem->initHook(handle, (void*)source, (void*)destination);
+}
+
+APICALL bool HyprlandAPI::removeFunctionHook(HANDLE handle, CFunctionHook* hook) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    return g_pFunctionHookSystem->removeHook(hook);
+}
+
+APICALL bool HyprlandAPI::addWindowDecoration(HANDLE handle, CWindow* pWindow, IHyprWindowDecoration* pDecoration) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    if (!g_pCompositor->windowValidMapped(pWindow))
+        return false;
+
+    PLUGIN->registeredDecorations.push_back(pDecoration);
+
+    pWindow->m_dWindowDecorations.emplace_back(pDecoration);
+
+    return true;
+}
+
+APICALL bool HyprlandAPI::removeWindowDecoration(HANDLE handle, IHyprWindowDecoration* pDecoration) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    for (auto& w : g_pCompositor->m_vWindows) {
+        for (auto& d : w->m_dWindowDecorations) {
+            if (d.get() == pDecoration) {
+                std::erase(w->m_dWindowDecorations, d);
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+APICALL bool HyprlandAPI::addConfigValue(HANDLE handle, const std::string& name, const SConfigValue& value) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!g_pPluginSystem->m_bAllowConfigVars)
+        return false;
+
+    if (!PLUGIN)
+        return false;
+
+    if (name.find("plugin:") != 0)
+        return false;
+
+    g_pConfigManager->addPluginConfigVar(handle, name, value);
+    return true;
+}
+
+APICALL SConfigValue* HyprlandAPI::getConfigValue(HANDLE handle, const std::string& name) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return nullptr;
+
+    return g_pConfigManager->getConfigValuePtrSafe(name);
+}
+
+APICALL void* HyprlandAPI::getFunctionAddressFromSignature(HANDLE handle, const std::string& sig) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return nullptr;
+
+    return dlsym(nullptr, sig.c_str());
+}
+
+APICALL bool HyprlandAPI::addDispatcher(HANDLE handle, const std::string& name, std::function<void(std::string)> handler) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    PLUGIN->registeredDispatchers.push_back(name);
+
+    g_pKeybindManager->m_mDispatchers[name] = handler;
+
+    return true;
+}
+
+APICALL bool HyprlandAPI::removeDispatcher(HANDLE handle, const std::string& name) {
+    auto* const PLUGIN = g_pPluginSystem->getPluginByHandle(handle);
+
+    if (!PLUGIN)
+        return false;
+
+    std::erase_if(g_pKeybindManager->m_mDispatchers, [&](const auto& other) { return other.first == name; });
+    std::erase_if(PLUGIN->registeredDispatchers, [&](const auto& other) { return other == name; });
+
+    return true;
+}

src/plugins/PluginAPI.hpp

@@ -0,0 +1,217 @@
+#pragma once
+
+/*
+
+Hyprland Plugin API.
+
+Most documentation will be made with comments in this code, but more info can be also found on the wiki.
+
+!WARNING!
+The Hyprland API passes C++ objects over, so no ABI compatibility is guaranteed.
+Make sure to compile your plugins with the same compiler as Hyprland, and ideally,
+on the same machine.
+
+See examples/examplePlugin for an example plugin
+
+*/
+
+#define HYPRLAND_API_VERSION "0.1"
+
+#include "../helpers/Color.hpp"
+#include "HookSystem.hpp"
+
+#include <any>
+#include <functional>
+#include <string>
+
+typedef std::function<void(void*, std::any)> HOOK_CALLBACK_FN;
+typedef struct {
+    std::string name;
+    std::string description;
+    std::string author;
+    std::string version;
+} PLUGIN_DESCRIPTION_INFO;
+
+#define APICALL extern "C"
+#define EXPORT  __attribute__((visibility("default")))
+#define REQUIRED
+#define OPTIONAL
+#define HANDLE void*
+
+class IHyprLayout;
+class CWindow;
+class IHyprWindowDecoration;
+struct SConfigValue;
+
+/*
+    These methods are for the plugin to implement
+    Methods marked with REQUIRED are required.
+*/
+
+/* 
+    called pre-plugin init.
+    In case of a version mismatch, will eject the .so.
+
+    This function should not be modified, see the example plugin.
+*/
+typedef REQUIRED std::string (*PPLUGIN_API_VERSION_FUNC)();
+#define PLUGIN_API_VERSION          pluginAPIVersion
+#define PLUGIN_API_VERSION_FUNC_STR "pluginAPIVersion"
+
+/*
+    called on plugin init. Passes a handle as the parameter, which the plugin should keep for identification later.
+    The plugin should return a PLUGIN_DESCRIPTION_INFO struct with information about itself.
+
+    Keep in mind this is executed synchronously, and as such any blocking calls to hyprland might hang. (e.g. system("hyprctl ..."))
+*/
+typedef REQUIRED PLUGIN_DESCRIPTION_INFO (*PPLUGIN_INIT_FUNC)(HANDLE);
+#define PLUGIN_INIT          pluginInit
+#define PLUGIN_INIT_FUNC_STR "pluginInit"
+
+/*
+    called on plugin unload, if that was a user action. If the plugin is being unloaded by an error,
+    this will not be called.
+
+    Hooks are unloaded after exit.
+*/
+typedef OPTIONAL void (*PPLUGIN_EXIT_FUNC)(void);
+#define PLUGIN_EXIT          pluginExit
+#define PLUGIN_EXIT_FUNC_STR "pluginExit"
+
+/*
+    End plugin methods
+*/
+
+namespace HyprlandAPI {
+
+    /*
+        Add a config value.
+        All config values MUST be in the plugin: namespace
+        This method may only be called in "pluginInit"
+
+        After you have registered ALL of your config values, you may call `getConfigValue`
+
+        returns: true on success, false on fail
+    */
+    APICALL bool addConfigValue(HANDLE handle, const std::string& name, const SConfigValue& value);
+
+    /*
+        Get a config value.
+
+        returns: a pointer to the config value struct, which is guaranteed to be valid for the life of this plugin, unless another `addConfigValue` is called afterwards.
+                nullptr on error.
+    */
+    APICALL SConfigValue* getConfigValue(HANDLE handle, const std::string& name);
+
+    /*
+        Register a static (pointer) callback to a selected event.
+        Pointer must be kept valid until unregisterCallback() is called.
+
+        returns: true on success, false on fail
+    */
+    APICALL bool registerCallbackStatic(HANDLE handle, const std::string& event, HOOK_CALLBACK_FN* fn);
+
+    /*
+        Register a dynamic (function) callback to a selected event.
+        Pointer will be free'd by Hyprland on unregisterCallback().
+
+        returns: a pointer to the newly allocated function. nullptr on fail.
+    */
+    APICALL HOOK_CALLBACK_FN* registerCallbackDynamic(HANDLE handle, const std::string& event, HOOK_CALLBACK_FN fn);
+
+    /*
+        Unregisters a callback. If the callback was dynamic, frees the memory.
+
+        returns: true on success, false on fail
+    */
+    APICALL bool unregisterCallback(HANDLE handle, HOOK_CALLBACK_FN* fn);
+
+    /*
+        Calls a hyprctl command.
+
+        returns: the output (as in hyprctl)
+    */
+    APICALL std::string invokeHyprctlCommand(const std::string& call, const std::string& args, const std::string& format = "");
+
+    /*
+        Adds a layout to Hyprland.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool addLayout(HANDLE handle, const std::string& name, IHyprLayout* layout);
+
+    /*
+        Removes an added layout from Hyprland.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool removeLayout(HANDLE handle, IHyprLayout* layout);
+
+    /*
+        Queues a config reload. Does not take effect immediately.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool reloadConfig();
+
+    /*
+        Adds a notification.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool addNotification(HANDLE handle, const std::string& text, const CColor& color, const float timeMs);
+
+    /*
+        Creates a trampoline function hook to an internal hl func.
+
+        returns: CFunctionHook*
+
+        !WARNING! Hooks are *not* guaranteed any API stability. Internal methods may be removed, added, or renamed. Consider preferring the API whenever possible.
+    */
+    APICALL CFunctionHook* createFunctionHook(HANDLE handle, const void* source, const void* destination);
+
+    /*
+        Removes a trampoline function hook. Will unhook if still hooked.
+
+        returns: true on success. False otherwise.
+
+        !WARNING! Hooks are *not* guaranteed any API stability. Internal methods may be removed, added, or renamed. Consider preferring the API whenever possible.
+    */
+    APICALL bool removeFunctionHook(HANDLE handle, CFunctionHook* hook);
+
+    /*
+        Gets a function address from a signature.
+        This is useful for hooking private functions.
+
+        returns: function address, or nullptr on fail.
+    */
+    APICALL void* getFunctionAddressFromSignature(HANDLE handle, const std::string& sig);
+
+    /*
+        Adds a window decoration to a window
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool addWindowDecoration(HANDLE handle, CWindow* pWindow, IHyprWindowDecoration* pDecoration);
+
+    /*
+        Removes a window decoration
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool removeWindowDecoration(HANDLE handle, IHyprWindowDecoration* pDecoration);
+
+    /*
+        Adds a keybind dispatcher.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool addDispatcher(HANDLE handle, const std::string& name, std::function<void(std::string)> handler);
+
+    /*
+        Removes a keybind dispatcher.
+
+        returns: true on success. False otherwise.
+    */
+    APICALL bool removeDispatcher(HANDLE handle, const std::string& name);
+};

src/plugins/PluginSystem.cpp

@@ -0,0 +1,145 @@
+#include "PluginSystem.hpp"
+
+#include <dlfcn.h>
+#include <ranges>
+#include "../Compositor.hpp"
+
+CPluginSystem::CPluginSystem() {
+    g_pFunctionHookSystem = std::make_unique<CHookSystem>();
+}
+
+CPlugin* CPluginSystem::loadPlugin(const std::string& path) {
+
+    if (getPluginByPath(path)) {
+        Debug::log(ERR, " [PluginSystem] Cannot load a plugin twice!");
+        return nullptr;
+    }
+
+    auto* const PLUGIN = m_vLoadedPlugins.emplace_back(std::make_unique<CPlugin>()).get();
+
+    PLUGIN->path = path;
+
+    HANDLE MODULE = dlopen(path.c_str(), RTLD_LAZY);
+
+    if (!MODULE) {
+        Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded: %s", path.c_str(), dlerror());
+        m_vLoadedPlugins.pop_back();
+        return nullptr;
+    }
+
+    PLUGIN->m_pHandle = MODULE;
+
+    PPLUGIN_API_VERSION_FUNC apiVerFunc = (PPLUGIN_API_VERSION_FUNC)dlsym(MODULE, PLUGIN_API_VERSION_FUNC_STR);
+    PPLUGIN_INIT_FUNC        initFunc   = (PPLUGIN_INIT_FUNC)dlsym(MODULE, PLUGIN_INIT_FUNC_STR);
+
+    if (!apiVerFunc || !initFunc) {
+        Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded. (No apiver/init func)", path.c_str());
+        dlclose(MODULE);
+        m_vLoadedPlugins.pop_back();
+        return nullptr;
+    }
+
+    const std::string PLUGINAPIVER = apiVerFunc();
+
+    if (PLUGINAPIVER != HYPRLAND_API_VERSION) {
+        Debug::log(ERR, " [PluginSystem] Plugin %s could not be loaded. (API version mismatch)", path.c_str());
+        dlclose(MODULE);
+        m_vLoadedPlugins.pop_back();
+        return nullptr;
+    }
+
+    PLUGIN_DESCRIPTION_INFO PLUGINDATA;
+
+    try {
+        if (!setjmp(m_jbPluginFaultJumpBuf)) {
+            m_bAllowConfigVars = true;
+            PLUGINDATA         = initFunc(MODULE);
+        } else {
+            // this module crashed.
+            throw std::exception();
+        }
+    } catch (std::exception& e) {
+        m_bAllowConfigVars = false;
+        Debug::log(ERR, " [PluginSystem] Plugin %s (Handle %lx) crashed in init. Unloading.", path.c_str(), MODULE);
+        unloadPlugin(PLUGIN, true); // Plugin could've already hooked/done something
+        return nullptr;
+    }
+
+    m_bAllowConfigVars = false;
+
+    PLUGIN->author      = PLUGINDATA.author;
+    PLUGIN->description = PLUGINDATA.description;
+    PLUGIN->version     = PLUGINDATA.version;
+    PLUGIN->name        = PLUGINDATA.name;
+
+    Debug::log(LOG, " [PluginSystem] Plugin %s loaded. Handle: %lx, path: \"%s\", author: \"%s\", description: \"%s\", version: \"%s\"", PLUGINDATA.name.c_str(), MODULE,
+               path.c_str(), PLUGINDATA.author.c_str(), PLUGINDATA.description.c_str(), PLUGINDATA.version.c_str());
+
+    return PLUGIN;
+}
+
+void CPluginSystem::unloadPlugin(const CPlugin* plugin, bool eject) {
+    if (!plugin)
+        return;
+
+    if (!eject) {
+        PPLUGIN_EXIT_FUNC exitFunc = (PPLUGIN_EXIT_FUNC)dlsym(plugin->m_pHandle, PLUGIN_EXIT_FUNC_STR);
+        if (exitFunc)
+            exitFunc();
+    }
+
+    for (auto& [k, v] : plugin->registeredCallbacks)
+        g_pHookSystem->unhook(v);
+
+    const auto ls = plugin->registeredLayouts;
+    for (auto& l : ls)
+        g_pLayoutManager->removeLayout(l);
+
+    g_pFunctionHookSystem->removeAllHooksFrom(plugin->m_pHandle);
+
+    const auto rd = plugin->registeredDecorations;
+    for (auto& d : rd)
+        HyprlandAPI::removeWindowDecoration(plugin->m_pHandle, d);
+
+    const auto rdi = plugin->registeredDispatchers;
+    for (auto& d : rdi)
+        HyprlandAPI::removeDispatcher(plugin->m_pHandle, d);
+
+    g_pConfigManager->removePluginConfig(plugin->m_pHandle);
+
+    dlclose(plugin->m_pHandle);
+
+    Debug::log(LOG, " [PluginSystem] Plugin %s unloaded.", plugin->name.c_str());
+
+    std::erase_if(m_vLoadedPlugins, [&](const auto& other) { return other->m_pHandle == plugin->m_pHandle; });
+}
+
+void CPluginSystem::unloadAllPlugins() {
+    for (auto& p : m_vLoadedPlugins | std::views::reverse)
+        unloadPlugin(p.get(), false); // Unload remaining plugins gracefully
+}
+
+CPlugin* CPluginSystem::getPluginByPath(const std::string& path) {
+    for (auto& p : m_vLoadedPlugins) {
+        if (p->path == path)
+            return p.get();
+    }
+
+    return nullptr;
+}
+
+CPlugin* CPluginSystem::getPluginByHandle(HANDLE handle) {
+    for (auto& p : m_vLoadedPlugins) {
+        if (p->m_pHandle == handle)
+            return p.get();
+    }
+
+    return nullptr;
+}
+
+std::vector<CPlugin*> CPluginSystem::getAllPlugins() {
+    std::vector<CPlugin*> results(m_vLoadedPlugins.size());
+    for (size_t i = 0; i < m_vLoadedPlugins.size(); ++i)
+        results[i] = m_vLoadedPlugins[i].get();
+    return results;
+}

src/plugins/PluginSystem.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include "../defines.hpp"
+#include "PluginAPI.hpp"
+#include <csetjmp>
+
+class IHyprWindowDecoration;
+
+class CPlugin {
+  public:
+    std::string                                            name        = "";
+    std::string                                            description = "";
+    std::string                                            author      = "";
+    std::string                                            version     = "";
+
+    std::string                                            path = "";
+
+    HANDLE                                                 m_pHandle = nullptr;
+
+    std::vector<IHyprLayout*>                              registeredLayouts;
+    std::vector<IHyprWindowDecoration*>                    registeredDecorations;
+    std::vector<std::pair<std::string, HOOK_CALLBACK_FN*>> registeredCallbacks;
+    std::vector<std::string>                               registeredDispatchers;
+};
+
+class CPluginSystem {
+  public:
+    CPluginSystem();
+
+    CPlugin*              loadPlugin(const std::string& path);
+    void                  unloadPlugin(const CPlugin* plugin, bool eject = false);
+    void                  unloadAllPlugins();
+    CPlugin*              getPluginByPath(const std::string& path);
+    CPlugin*              getPluginByHandle(HANDLE handle);
+    std::vector<CPlugin*> getAllPlugins();
+
+    bool                  m_bAllowConfigVars = false;
+
+  private:
+    std::vector<std::unique_ptr<CPlugin>> m_vLoadedPlugins;
+
+    jmp_buf                               m_jbPluginFaultJumpBuf;
+};
+
+inline std::unique_ptr<CPluginSystem> g_pPluginSystem;

src/render/decorations/IHyprWindowDecoration.cpp

@@ -3,3 +3,11 @@
 #include "../../Window.hpp"
 
 IHyprWindowDecoration::~IHyprWindowDecoration() {}
+
+SWindowDecorationExtents IHyprWindowDecoration::getWindowDecorationReservedArea() {
+    return SWindowDecorationExtents{};
+}
+
+bool IHyprWindowDecoration::allowsInput() {
+    return false;
+}

src/render/decorations/IHyprWindowDecoration.hpp

@@ -6,7 +6,8 @@ enum eDecorationType
 {
     DECORATION_NONE = -1,
     DECORATION_GROUPBAR,
-    DECORATION_SHADOW
+    DECORATION_SHADOW,
+    DECORATION_CUSTOM
 };
 
 struct SWindowDecorationExtents {
@@ -30,4 +31,8 @@ interface IHyprWindowDecoration {
     virtual void                     updateWindow(CWindow*) = 0;
 
     virtual void                     damageEntire() = 0;
+
+    virtual SWindowDecorationExtents getWindowDecorationReservedArea();
+
+    virtual bool                     allowsInput();
 };

subprojects/udis86

@@ -0,0 +1 @@
+Subproject commit 5336633af70f3917760a6d441ff02d93477b0c86