GlobalShortcuts protocol impl (#1886)

Implements the `hyprland-global-shortcuts-v1` protocol

---------

Co-authored-by: Mihai Fufezan <fufexan@protonmail.com>

CMakeLists.txt

@@ -142,6 +142,7 @@ target_link_libraries(Hyprland
         ${CMAKE_SOURCE_DIR}/ext-workspace-unstable-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/wlr-foreign-toplevel-management-unstable-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/hyprland-toplevel-export-v1-protocol.o
+        ${CMAKE_SOURCE_DIR}/hyprland-global-shortcuts-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/fractional-scale-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/text-input-unstable-v1-protocol.o
         ${CMAKE_SOURCE_DIR}/wlr-screencopy-unstable-v1-protocol.o

Makefile

@@ -101,6 +101,16 @@ hyprland-toplevel-export-v1-protocol.c:
 
 hyprland-toplevel-export-v1-protocol.o: hyprland-toplevel-export-v1-protocol.h
 
+hyprland-global-shortcuts-v1-protocol.h:
+	$(WAYLAND_SCANNER) server-header \
+		subprojects/hyprland-protocols/protocols/hyprland-global-shortcuts-v1.xml $@
+
+hyprland-global-shortcuts-v1-protocol.c:
+	$(WAYLAND_SCANNER) private-code \
+		subprojects/hyprland-protocols/protocols/hyprland-global-shortcuts-v1.xml $@
+
+hyprland-global-shortcuts-v1-protocol.o: hyprland-global-shortcuts-v1-protocol.h
+
 linux-dmabuf-unstable-v1-protocol.h:
 	$(WAYLAND_SCANNER) server-header \
 		$(WAYLAND_PROTOCOLS)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml $@
@@ -206,7 +216,7 @@ uninstall:
 	rm -f ${PREFIX}/share/man/man1/Hyprland.1
 	rm -f ${PREFIX}/share/man/man1/hyprctl.1
 
-protocols: xdg-shell-protocol.o wlr-layer-shell-unstable-v1-protocol.o wlr-screencopy-unstable-v1-protocol.o idle-protocol.o ext-workspace-unstable-v1-protocol.o pointer-constraints-unstable-v1-protocol.o tablet-unstable-v2-protocol.o wlr-output-power-management-unstable-v1-protocol.o linux-dmabuf-unstable-v1-protocol.o hyprland-toplevel-export-v1-protocol.o wlr-foreign-toplevel-management-unstable-v1-protocol.o fractional-scale-v1-protocol.o text-input-unstable-v1-protocol.o
+protocols: xdg-shell-protocol.o wlr-layer-shell-unstable-v1-protocol.o wlr-screencopy-unstable-v1-protocol.o idle-protocol.o ext-workspace-unstable-v1-protocol.o pointer-constraints-unstable-v1-protocol.o tablet-unstable-v2-protocol.o wlr-output-power-management-unstable-v1-protocol.o linux-dmabuf-unstable-v1-protocol.o hyprland-toplevel-export-v1-protocol.o wlr-foreign-toplevel-management-unstable-v1-protocol.o fractional-scale-v1-protocol.o text-input-unstable-v1-protocol.o hyprland-global-shortcuts-v1-protocol.o
 
 fixwlr:
 	sed -i -E 's/(soversion = 12)([^032]|$$)/soversion = 12032/g' subprojects/wlroots/meson.build

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1671839510,
+        "lastModified": 1680997116,
-        "narHash": "sha256-+PY1qqJfmZzzROgcIY4I7AkCwpnC+qBIYk2eFoA9RWc=",
+        "narHash": "sha256-nNyoatiHmTMczrCoHCH2LIRfSF8n9ZPZ1O7WNMxcbR4=",
         "owner": "hyprwm",
         "repo": "hyprland-protocols",
-        "rev": "b8f55e02a328c47ed373133c52483bbfa20a1b75",
+        "rev": "d7d403b711b60e8136295b0d4229e89a115e80cc",
         "type": "github"
       },
       "original": {

hyprctl/main.cpp

@@ -43,6 +43,7 @@ commands:
     setprop
     plugin
     notify
+    globalshortcuts
 
 flags:
     -j -> output in JSON
@@ -345,6 +346,8 @@ int main(int argc, char** argv) {
         request(fullRequest);
     else if (fullRequest.contains("/animations"))
         request(fullRequest);
+    else if (fullRequest.contains("/globalshortcuts"))
+        request(fullRequest);
     else if (fullRequest.contains("/switchxkblayout"))
         request(fullRequest, 2);
     else if (fullRequest.contains("/seterror"))

protocols/meson.build

@@ -31,7 +31,8 @@ protocols = [
   ['pointer-constraints-unstable-v1.xml'],
   ['tablet-unstable-v2.xml'],
   ['idle.xml'],
-  [hl_protocol_dir, 'protocols/hyprland-toplevel-export-v1.xml']
+  [hl_protocol_dir, 'protocols/hyprland-toplevel-export-v1.xml'],
+  [hl_protocol_dir, 'protocols/hyprland-global-shortcuts-v1.xml']
 ]
 wl_protos_src = []
 wl_protos_headers = []

src/debug/HyprCtl.cpp

@@ -536,6 +536,29 @@ std::string animationsRequest(HyprCtl::eHyprCtlOutputFormat format) {
     return ret;
 }
 
+std::string globalShortcutsRequest(HyprCtl::eHyprCtlOutputFormat format) {
+    std::string ret       = "";
+    const auto  SHORTCUTS = g_pProtocolManager->m_pGlobalShortcutsProtocolManager->getAllShortcuts();
+    if (format == HyprCtl::eHyprCtlOutputFormat::FORMAT_NORMAL) {
+        for (auto& sh : SHORTCUTS)
+            ret += getFormat("%s:%s -> %s\n", sh.appid.c_str(), sh.id.c_str(), sh.description.c_str());
+    } else {
+        ret += "[";
+        for (auto& sh : SHORTCUTS) {
+            ret += getFormat(R"#(
+{
+    "name": "%s",
+    "description": "%s"
+},)#",
+                             escapeJSONStrings(sh.appid + ":" + sh.id).c_str(), escapeJSONStrings(sh.description).c_str());
+        }
+        ret.pop_back();
+        ret += "]\n";
+    }
+
+    return ret;
+}
+
 std::string bindsRequest(HyprCtl::eHyprCtlOutputFormat format) {
     std::string ret = "";
     if (format == HyprCtl::eHyprCtlOutputFormat::FORMAT_NORMAL) {
@@ -1228,6 +1251,8 @@ std::string getReply(std::string request) {
         return cursorPosRequest(format);
     else if (request == "binds")
         return bindsRequest(format);
+    else if (request == "globalshortcuts")
+        return globalShortcutsRequest(format);
     else if (request == "animations")
         return animationsRequest(format);
     else if (request.find("plugin") == 0)

src/managers/KeybindManager.cpp

@@ -63,6 +63,7 @@ CKeybindManager::CKeybindManager() {
     m_mDispatchers["lockgroups"]                    = lockGroups;
     m_mDispatchers["moveintogroup"]                 = moveIntoGroup;
     m_mDispatchers["moveoutofgroup"]                = moveOutOfGroup;
+    m_mDispatchers["global"]                        = global;
 
     m_tScrollTimer.reset();
 }
@@ -352,7 +353,7 @@ bool CKeybindManager::handleKeybinds(const uint32_t& modmask, const std::string&
 
     for (auto& k : m_lKeybinds) {
         if (modmask != k.modmask || (g_pCompositor->m_sSeat.exclusiveClient && !k.locked) || k.submap != m_szCurrentSelectedSubmap ||
-            (!pressed && !k.release && k.handler != "pass" && k.handler != "mouse") || k.shadowed)
+            (!pressed && !k.release && k.handler != "pass" && k.handler != "mouse" && k.handler != "global") || k.shadowed)
             continue;
 
         if (!key.empty()) {
@@ -425,7 +426,10 @@ void CKeybindManager::shadowKeybinds(const xkb_keysym_t& doesntHave, const int&
 
     for (auto& k : m_lKeybinds) {
 
-        bool       shadow = false;
+        bool shadow = false;
+
+        if (k.handler == "global")
+            continue; // can't be shadowed
 
         const auto KBKEY      = xkb_keysym_from_name(k.key.c_str(), XKB_KEYSYM_CASE_INSENSITIVE);
         const auto KBKEYUPPER = xkb_keysym_to_upper(KBKEY);
@@ -2139,3 +2143,16 @@ void CKeybindManager::moveOutOfGroup(std::string args) {
 
     g_pKeybindManager->m_bGroupsLocked = GROUPSLOCKEDPREV;
 }
+
+void CKeybindManager::global(std::string args) {
+    const auto APPID = args.substr(0, args.find_first_of(':'));
+    const auto NAME  = args.substr(args.find_first_of(':') + 1);
+
+    if (APPID.empty() || NAME.empty())
+        return;
+
+    if (!g_pProtocolManager->m_pGlobalShortcutsProtocolManager->globalShortcutExists(APPID, NAME))
+        return;
+
+    g_pProtocolManager->m_pGlobalShortcutsProtocolManager->sendGlobalShortcutEvent(APPID, NAME, g_pKeybindManager->m_iPassPressed);
+}

src/managers/KeybindManager.hpp

@@ -139,6 +139,7 @@ class CKeybindManager {
     static void     lockGroups(std::string);
     static void     moveIntoGroup(std::string);
     static void     moveOutOfGroup(std::string);
+    static void     global(std::string);
 
     friend class CCompositor;
     friend class CInputManager;

src/managers/ProtocolManager.cpp

@@ -4,5 +4,6 @@ CProtocolManager::CProtocolManager() {
     m_pToplevelExportProtocolManager  = std::make_unique<CToplevelExportProtocolManager>();
     m_pFractionalScaleProtocolManager = std::make_unique<CFractionalScaleProtocolManager>();
     m_pTextInputV1ProtocolManager     = std::make_unique<CTextInputV1ProtocolManager>();
+    m_pGlobalShortcutsProtocolManager = std::make_unique<CGlobalShortcutsProtocolManager>();
     m_pScreencopyProtocolManager      = std::make_unique<CScreencopyProtocolManager>();
 }

src/managers/ProtocolManager.hpp

@@ -4,6 +4,7 @@
 #include "../protocols/ToplevelExport.hpp"
 #include "../protocols/FractionalScale.hpp"
 #include "../protocols/TextInputV1.hpp"
+#include "../protocols/GlobalShortcuts.hpp"
 #include "../protocols/Screencopy.hpp"
 
 class CProtocolManager {
@@ -13,6 +14,7 @@ class CProtocolManager {
     std::unique_ptr<CToplevelExportProtocolManager>  m_pToplevelExportProtocolManager;
     std::unique_ptr<CFractionalScaleProtocolManager> m_pFractionalScaleProtocolManager;
     std::unique_ptr<CTextInputV1ProtocolManager>     m_pTextInputV1ProtocolManager;
+    std::unique_ptr<CGlobalShortcutsProtocolManager> m_pGlobalShortcutsProtocolManager;
     std::unique_ptr<CScreencopyProtocolManager>      m_pScreencopyProtocolManager;
 };
 

src/protocols/GlobalShortcuts.cpp

@@ -0,0 +1,151 @@
+#include "GlobalShortcuts.hpp"
+#include "../Compositor.hpp"
+
+#define GLOBAL_SHORTCUTS_VERSION 1
+
+static void bindManagerInt(wl_client* client, void* data, uint32_t version, uint32_t id) {
+    g_pProtocolManager->m_pGlobalShortcutsProtocolManager->bindManager(client, data, version, id);
+}
+
+static void handleDisplayDestroy(struct wl_listener* listener, void* data) {
+    g_pProtocolManager->m_pGlobalShortcutsProtocolManager->displayDestroy();
+}
+
+void CGlobalShortcutsProtocolManager::displayDestroy() {
+    wl_global_destroy(m_pGlobal);
+}
+
+CGlobalShortcutsProtocolManager::CGlobalShortcutsProtocolManager() {
+    m_pGlobal = wl_global_create(g_pCompositor->m_sWLDisplay, &hyprland_global_shortcuts_manager_v1_interface, GLOBAL_SHORTCUTS_VERSION, this, bindManagerInt);
+
+    if (!m_pGlobal) {
+        Debug::log(ERR, "GlobalShortcutsManager could not start!");
+        return;
+    }
+
+    m_liDisplayDestroy.notify = handleDisplayDestroy;
+    wl_display_add_destroy_listener(g_pCompositor->m_sWLDisplay, &m_liDisplayDestroy);
+
+    Debug::log(LOG, "GlobalShortcutsManager started successfully!");
+}
+
+static void handleRegisterShortcut(wl_client* client, wl_resource* resource, uint32_t shortcut, const char* id, const char* app_id, const char* description,
+                                   const char* trigger_description) {
+    g_pProtocolManager->m_pGlobalShortcutsProtocolManager->registerShortcut(client, resource, shortcut, id, app_id, description, trigger_description);
+}
+
+static void handleDestroy(wl_client* client, wl_resource* resource) {
+    wl_resource_destroy(resource);
+}
+
+static const struct hyprland_global_shortcuts_manager_v1_interface globalShortcutsManagerImpl = {
+    .register_shortcut = handleRegisterShortcut,
+    .destroy           = handleDestroy,
+};
+
+static const struct hyprland_global_shortcut_v1_interface shortcutImpl = {
+    .destroy = handleDestroy,
+};
+
+void CGlobalShortcutsProtocolManager::bindManager(wl_client* client, void* data, uint32_t version, uint32_t id) {
+    const auto RESOURCE = wl_resource_create(client, &hyprland_global_shortcuts_manager_v1_interface, version, id);
+    wl_resource_set_implementation(RESOURCE, &globalShortcutsManagerImpl, this, nullptr);
+
+    Debug::log(LOG, "GlobalShortcutsManager bound successfully!");
+
+    m_vClients.emplace_back(std::make_unique<SShortcutClient>(client));
+}
+
+SShortcutClient* CGlobalShortcutsProtocolManager::clientFromWlClient(wl_client* client) {
+    for (auto& c : m_vClients) {
+        if (c->client == client) {
+            return c.get();
+        }
+    }
+
+    return nullptr;
+}
+
+static void onShortcutDestroy(wl_resource* pResource) {
+    g_pProtocolManager->m_pGlobalShortcutsProtocolManager->destroyShortcut(pResource);
+}
+
+void CGlobalShortcutsProtocolManager::registerShortcut(wl_client* client, wl_resource* resource, uint32_t shortcut, const char* id, const char* app_id, const char* description,
+                                                       const char* trigger_description) {
+    const auto PCLIENT = clientFromWlClient(client);
+
+    if (!PCLIENT) {
+        Debug::log(ERR, "Error at global shortcuts: no client in register?");
+        return;
+    }
+
+    for (auto& c : m_vClients) {
+        for (auto& sh : c->shortcuts) {
+            if (sh->appid == app_id && sh->id == id) {
+                wl_resource_post_error(resource, HYPRLAND_GLOBAL_SHORTCUTS_MANAGER_V1_ERROR_ALREADY_TAKEN, "Combination is taken");
+                return;
+            }
+        }
+    }
+
+    const auto PSHORTCUT   = PCLIENT->shortcuts.emplace_back(std::make_unique<SShortcut>()).get();
+    PSHORTCUT->id          = id;
+    PSHORTCUT->description = description;
+    PSHORTCUT->appid       = app_id;
+    PSHORTCUT->shortcut    = shortcut;
+
+    PSHORTCUT->resource = wl_resource_create(client, &hyprland_global_shortcut_v1_interface, 1, shortcut);
+    if (!PSHORTCUT->resource) {
+        wl_client_post_no_memory(client);
+        std::erase_if(PCLIENT->shortcuts, [&](const auto& other) { return other.get() == PSHORTCUT; });
+        return;
+    }
+
+    wl_resource_set_implementation(PSHORTCUT->resource, &shortcutImpl, this, &onShortcutDestroy);
+}
+
+bool CGlobalShortcutsProtocolManager::globalShortcutExists(std::string appid, std::string trigger) {
+    for (auto& c : m_vClients) {
+        for (auto& sh : c->shortcuts) {
+            if (sh->appid == appid && sh->id == trigger) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void CGlobalShortcutsProtocolManager::sendGlobalShortcutEvent(std::string appid, std::string trigger, bool pressed) {
+    for (auto& c : m_vClients) {
+        for (auto& sh : c->shortcuts) {
+            if (sh->appid == appid && sh->id == trigger) {
+                timespec now;
+                clock_gettime(CLOCK_MONOTONIC, &now);
+                uint32_t tvSecHi = (sizeof(now.tv_sec) > 4) ? now.tv_sec >> 32 : 0;
+                uint32_t tvSecLo = now.tv_sec & 0xFFFFFFFF;
+                if (pressed)
+                    hyprland_global_shortcut_v1_send_pressed(sh->resource, tvSecHi, tvSecLo, now.tv_nsec);
+                else
+                    hyprland_global_shortcut_v1_send_released(sh->resource, tvSecHi, tvSecLo, now.tv_nsec);
+            }
+        }
+    }
+}
+
+std::vector<SShortcut> CGlobalShortcutsProtocolManager::getAllShortcuts() {
+    std::vector<SShortcut> copy;
+    for (auto& c : m_vClients) {
+        for (auto& sh : c->shortcuts) {
+            copy.push_back(*sh);
+        }
+    }
+
+    return copy;
+}
+
+void CGlobalShortcutsProtocolManager::destroyShortcut(wl_resource* resource) {
+    for (auto& c : m_vClients) {
+        std::erase_if(c->shortcuts, [&](const auto& other) { return other->resource == resource; });
+    }
+}

src/protocols/GlobalShortcuts.hpp

@@ -0,0 +1,39 @@
+#pragma once
+#include "../defines.hpp"
+#include "hyprland-global-shortcuts-v1-protocol.h"
+#include <vector>
+
+struct SShortcut {
+    wl_resource* resource;
+    std::string  id, description, appid;
+    uint32_t     shortcut = 0;
+};
+
+struct SShortcutClient {
+    wl_client*                              client = nullptr;
+    std::vector<std::unique_ptr<SShortcut>> shortcuts;
+};
+
+class CGlobalShortcutsProtocolManager {
+  public:
+    CGlobalShortcutsProtocolManager();
+    void                   bindManager(wl_client* client, void* data, uint32_t version, uint32_t id);
+    void                   displayDestroy();
+
+    void                   registerShortcut(wl_client* client, wl_resource* resource, uint32_t shortcut, const char* id, const char* app_id, const char* description,
+                                            const char* trigger_description);
+    void                   destroyShortcut(wl_resource* resource);
+
+    bool                   globalShortcutExists(std::string appid, std::string trigger);
+    void                   sendGlobalShortcutEvent(std::string appid, std::string trigger, bool pressed);
+
+    std::vector<SShortcut> getAllShortcuts();
+
+  private:
+    std::vector<std::unique_ptr<SShortcutClient>> m_vClients;
+
+    SShortcutClient*                              clientFromWlClient(wl_client* client);
+
+    wl_global*                                    m_pGlobal = nullptr;
+    wl_listener                                   m_liDisplayDestroy;
+};

subprojects/hyprland-protocols

@@ -1 +1 @@
-Subproject commit 301733ae466b229066ba15a53e6d8b91c5dcef5b
+Subproject commit d7d403b711b60e8136295b0d4229e89a115e80cc