input basics

CMakeLists.txt

@@ -9,7 +9,7 @@ message(STATUS "Configuring Hyprland!")
 
 include_directories(.)
 add_compile_options(-std=c++20 -DWLR_USE_UNSTABLE )
-add_compile_options(-Wall -Wextra -Wno-unused-parameter)
+add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value)
 find_package(Threads REQUIRED)
 
 find_package(PkgConfig REQUIRED)

example/hyprland.conf

@@ -0,0 +1,11 @@
+# This is an example Hyprland config file.
+# Syntax is the same as in Hypr, but settings might differ.
+#
+# Refer to the wiki for more information.
+
+general {
+    max_fps=240
+    gaps_in=5
+    gaps_out=20
+    border_size=1
+}

src/Compositor.cpp

@@ -40,16 +40,16 @@ CCompositor::CCompositor() {
     m_sWLRXDGActivation - wlr_xdg_activation_v1_create(m_sWLDisplay);
     m_sWLROutputLayout = wlr_output_layout_create();
 
-    wl_signal_add(&m_sWLRXDGActivation->events.request_activate, &Events::listener_activate);
-    wl_signal_add(&m_sWLROutputLayout->events.change, &Events::listener_change);
-    wl_signal_add(&m_sWLRBackend->events.new_output, &Events::listener_newOutput);
+    wl_signal_add(&m_sWLRXDGActivation->events.request_activate, &Events::listen_activate);
+    wl_signal_add(&m_sWLROutputLayout->events.change, &Events::listen_change);
+    wl_signal_add(&m_sWLRBackend->events.new_output, &Events::listen_newOutput);
 
     m_sWLRIdle = wlr_idle_create(m_sWLDisplay);
     m_sWLRLayerShell = wlr_layer_shell_v1_create(m_sWLDisplay);
     m_sWLRXDGShell = wlr_xdg_shell_create(m_sWLDisplay);
 
-    wl_signal_add(&m_sWLRLayerShell->events.new_surface, &Events::listener_newLayerSurface);
-    wl_signal_add(&m_sWLRXDGShell->events.new_surface, &Events::listener_newXDGSurface);
+    wl_signal_add(&m_sWLRLayerShell->events.new_surface, &Events::listen_newLayerSurface);
+    wl_signal_add(&m_sWLRXDGShell->events.new_surface, &Events::listen_newXDGSurface);
 
     wlr_server_decoration_manager_set_default_mode(wlr_server_decoration_manager_create(m_sWLDisplay), WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
     wlr_xdg_decoration_manager_v1_create(m_sWLDisplay);
@@ -67,22 +67,26 @@ CCompositor::CCompositor() {
 
     m_sWLRPresentation = wlr_presentation_create(m_sWLDisplay, m_sWLRBackend);
 
-    wl_signal_add(&m_sWLRCursor->events.motion, &Events::listener_mouseMove);
-    wl_signal_add(&m_sWLRCursor->events.motion_absolute, &Events::listener_mouseMoveAbsolute);
-    wl_signal_add(&m_sWLRCursor->events.button, &Events::listener_mouseButton);
-    wl_signal_add(&m_sWLRCursor->events.axis, &Events::listener_mouseAxis);
-    wl_signal_add(&m_sWLRCursor->events.frame, &Events::listener_mouseFrame);
-    wl_signal_add(&m_sWLRBackend->events.new_input, &Events::listener_newInput);
-    wl_signal_add(&m_sWLRVKeyboardMgr->events.new_virtual_keyboard, &Events::listener_newKeyboard);
-    wl_signal_add(&m_sWLRSeat->events.request_set_cursor, &Events::listener_requestMouse);
-    wl_signal_add(&m_sWLRSeat->events.request_set_selection, &Events::listener_requestSetSel);
-    wl_signal_add(&m_sWLRSeat->events.request_set_primary_selection, &Events::listener_requestSetPrimarySel);
-    wl_signal_add(&m_sWLROutputMgr->events.apply, &Events::listener_outputMgrApply);
-    wl_signal_add(&m_sWLROutputMgr->events.test, &Events::listener_outputMgrTest);
+    wl_signal_add(&m_sWLRCursor->events.motion, &Events::listen_mouseMove);
+    wl_signal_add(&m_sWLRCursor->events.motion_absolute, &Events::listen_mouseMoveAbsolute);
+    wl_signal_add(&m_sWLRCursor->events.button, &Events::listen_mouseButton);
+    wl_signal_add(&m_sWLRCursor->events.axis, &Events::listen_mouseAxis);
+    wl_signal_add(&m_sWLRCursor->events.frame, &Events::listen_mouseFrame);
+    wl_signal_add(&m_sWLRBackend->events.new_input, &Events::listen_newInput);
+    wl_signal_add(&m_sWLRVKeyboardMgr->events.new_virtual_keyboard, &Events::listen_newKeyboard);
+    wl_signal_add(&m_sWLRSeat->events.request_set_cursor, &Events::listen_requestMouse);
+    wl_signal_add(&m_sWLRSeat->events.request_set_selection, &Events::listen_requestSetSel);
+    wl_signal_add(&m_sWLRSeat->events.request_set_primary_selection, &Events::listen_requestSetPrimarySel);
+    wl_signal_add(&m_sWLROutputMgr->events.apply, &Events::listen_outputMgrApply);
+    wl_signal_add(&m_sWLROutputMgr->events.test, &Events::listen_outputMgrTest);
 
     // TODO: XWayland
 }
 
+CCompositor::~CCompositor() {
+
+}
+
 void CCompositor::startCompositor() {
     m_szWLDisplaySocket = wl_display_add_socket_auto(m_sWLDisplay);
 
@@ -95,6 +99,7 @@ void CCompositor::startCompositor() {
 
     signal(SIGPIPE, SIG_IGN);
 
+    Debug::log(LOG, "Running on WAYLAND_DISPLAY: %s", m_szWLDisplaySocket);
 
     if (!wlr_backend_start(m_sWLRBackend)) {
         Debug::log(CRIT, "Backend did not start!");
@@ -103,6 +108,15 @@ void CCompositor::startCompositor() {
 
     wlr_xcursor_manager_set_cursor_image(m_sWLRXCursorMgr, "left_ptr", m_sWLRCursor);
 
+    Debug::log(LOG, "Creating the config manager!");
+    g_pConfigManager = std::make_unique<CConfigManager>();
+
+    Debug::log(LOG, "Creating the ManagerThread!");
+    g_pManagerThread = std::make_unique<CManagerThread>();
+
+    Debug::log(LOG, "Creating the InputManager!");
+    g_pInputManager = std::make_unique<CInputManager>();
+
     // This blocks until we are done.
     Debug::log(LOG, "Hyprland is ready, running the event loop!");
     wl_display_run(m_sWLDisplay);

src/Compositor.hpp

@@ -5,6 +5,9 @@
 #include "defines.hpp"
 #include "debug/Log.hpp"
 #include "events/Events.hpp"
+#include "config/ConfigManager.hpp"
+#include "ManagerThread.hpp"
+#include "input/InputManager.hpp"
 
 class CCompositor {
 public:

src/ManagerThread.cpp

@@ -0,0 +1,22 @@
+#include "ManagerThread.hpp"
+
+CManagerThread::CManagerThread() {
+    m_tMainThread = new std::thread([=]() {
+        // Call the handle method.
+        this->handle();
+    });
+
+    m_tMainThread->detach(); // detach and continue.
+}
+
+CManagerThread::~CManagerThread() {
+    //
+}
+
+void CManagerThread::handle() {
+    while (3.1415f) {
+        g_pConfigManager->tick();
+
+        std::this_thread::sleep_for(std::chrono::microseconds(1000000 / g_pConfigManager->getInt("max_fps")));
+    }
+}

src/ManagerThread.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "defines.hpp"
+#include <thread>
+#include "Compositor.hpp"
+
+class CManagerThread {
+public:
+    CManagerThread();
+    ~CManagerThread();
+
+private:
+
+    void                handle();
+
+    std::thread*        m_tMainThread;
+};
+
+inline std::unique_ptr<CManagerThread> g_pManagerThread;

src/config/ConfigManager.cpp

@@ -0,0 +1,201 @@
+#include "ConfigManager.hpp"
+
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <fstream>
+#include <iostream>
+
+CConfigManager::CConfigManager() {
+    configValues["general:max_fps"].intValue = 240;
+
+    configValues["general:border_size"].intValue = 1;
+    configValues["general:gaps_in"].intValue = 5;
+    configValues["general:gaps_out"].intValue = 20;
+
+    loadConfigLoadVars();
+
+    isFirstLaunch = false;
+}
+
+void CConfigManager::configSetValueSafe(const std::string& COMMAND, const std::string& VALUE) {
+    if (configValues.find(COMMAND) == configValues.end()) {
+        parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">: No such field.";
+        return;
+    }
+
+    auto& CONFIGENTRY = configValues.at(COMMAND);
+    if (CONFIGENTRY.intValue != -1) {
+        try {
+            if (VALUE.find("0x") == 0) {
+                // Values with 0x are hex
+                const auto VALUEWITHOUTHEX = VALUE.substr(2);
+                CONFIGENTRY.intValue = stol(VALUEWITHOUTHEX, nullptr, 16);
+            } else
+                CONFIGENTRY.intValue = stol(VALUE);
+        } catch (...) {
+            Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
+            parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
+        }
+    } else if (CONFIGENTRY.floatValue != -1) {
+        try {
+            CONFIGENTRY.floatValue = stof(VALUE);
+        } catch (...) {
+            Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
+            parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
+        }
+    } else if (CONFIGENTRY.strValue != "") {
+        try {
+            CONFIGENTRY.strValue = VALUE;
+        } catch (...) {
+            Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
+            parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
+        }
+    }
+}
+
+void CConfigManager::handleRawExec(const std::string& command, const std::string& args) {
+    // Exec in the background dont wait for it.
+    if (fork() == 0) {
+        execl("/bin/sh", "/bin/sh", "-c", args.c_str(), nullptr);
+
+        _exit(0);
+    }
+}
+
+void CConfigManager::parseLine(std::string& line) {
+    // first check if its not a comment
+    const auto COMMENTSTART = line.find_first_of('#');
+    if (COMMENTSTART == 0)
+        return;
+
+    // now, cut the comment off
+    if (COMMENTSTART != std::string::npos)
+        line = line.substr(0, COMMENTSTART);
+
+    // remove shit at the beginning
+    while (line[0] == ' ' || line[0] == '\t') {
+        line = line.substr(1);
+    }
+
+    if (line.find(" {") != std::string::npos) {
+        auto cat = line.substr(0, line.find(" {"));
+        transform(cat.begin(), cat.end(), cat.begin(), ::tolower);
+        currentCategory = cat;
+        return;
+    }
+
+    if (line.find("}") != std::string::npos && currentCategory != "") {
+        currentCategory = "";
+        return;
+    }
+
+    // And parse
+    // check if command
+    const auto EQUALSPLACE = line.find_first_of('=');
+
+    if (EQUALSPLACE == std::string::npos)
+        return;
+
+    const auto COMMAND = line.substr(0, EQUALSPLACE);
+    const auto VALUE = line.substr(EQUALSPLACE + 1);
+
+    if (COMMAND == "exec") {
+        handleRawExec(COMMAND, VALUE);
+        return;
+    } else if (COMMAND == "exec-once") {
+        if (isFirstLaunch) {
+            handleRawExec(COMMAND, VALUE);
+            return;
+        }
+    }
+
+    configSetValueSafe(currentCategory + (currentCategory == "" ? "" : ":") + COMMAND, VALUE);
+}
+
+void CConfigManager::loadConfigLoadVars() {
+    Debug::log(LOG, "Reloading the config!");
+    parseError = "";       // reset the error
+    currentCategory = "";  // reset the category
+
+    const char* const ENVHOME = getenv("HOME");
+    const std::string CONFIGPATH = ENVHOME + (ISDEBUG ? (std::string) "/.config/hypr/hyprlandd.conf" : (std::string) "/.config/hypr/hyprland.conf");
+
+    std::ifstream ifs;
+    ifs.open(CONFIGPATH.c_str());
+
+    if (!ifs.good()) {
+        Debug::log(WARN, "Config reading error. (No file?)");
+        parseError = "The config could not be read. (No file?)";
+
+        ifs.close();
+        return;
+    }
+
+    std::string line = "";
+    int linenum = 1;
+    if (ifs.is_open()) {
+        while (std::getline(ifs, line)) {
+            // Read line by line.
+            try {
+                parseLine(line);
+            } catch (...) {
+                Debug::log(ERR, "Error reading line from config. Line:");
+                Debug::log(NONE, "%s", line.c_str());
+
+                parseError = "Config error at line " + std::to_string(linenum) + ": Line parsing error.";
+            }
+
+            if (parseError != "" && parseError.find("Config error at line") != 0) {
+                parseError = "Config error at line " + std::to_string(linenum) + ": " + parseError;
+            }
+
+            ++linenum;
+        }
+
+        ifs.close();
+    }
+}
+
+void CConfigManager::tick() {
+    const char* const ENVHOME = getenv("HOME");
+
+    const std::string CONFIGPATH = ENVHOME + (ISDEBUG ? (std::string) "/.config/hypr/hyprd.conf" : (std::string) "/.config/hypr/hypr.conf");
+
+    struct stat fileStat;
+    int err = stat(CONFIGPATH.c_str(), &fileStat);
+    if (err != 0) {
+        Debug::log(WARN, "Error at ticking config, error %i", errno);
+    }
+
+    // check if we need to reload cfg
+    if (fileStat.st_mtime != lastModifyTime) {
+        lastModifyTime = fileStat.st_mtime;
+
+        loadConfigLoadVars();
+    }
+}
+
+std::mutex configmtx;
+SConfigValue CConfigManager::getConfigValueSafe(std::string val) {
+    std::lock_guard<std::mutex> lg(configmtx);
+
+    SConfigValue copy = configValues[val];
+
+    return copy;
+}
+
+int CConfigManager::getInt(std::string v) {
+    return getConfigValueSafe(v).intValue;
+}
+
+float CConfigManager::getFloat(std::string v) {
+    return getConfigValueSafe(v).floatValue;
+}
+
+std::string CConfigManager::getString(std::string v) {
+    return getConfigValueSafe(v).strValue;
+}

src/config/ConfigManager.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <map>
+#include "../debug/Log.hpp"
+#include <unordered_map>
+#include "../defines.hpp"
+#include <vector>
+
+struct SConfigValue {
+    int64_t intValue = -1;
+    float floatValue = -1;
+    std::string strValue = "";
+};
+
+class CConfigManager {
+public:
+    CConfigManager();
+
+    void                tick();
+
+    int                 getInt(std::string);
+    float               getFloat(std::string);
+    std::string         getString(std::string);
+
+private:
+    std::unordered_map<std::string, SConfigValue> configValues;
+    time_t lastModifyTime = 0;  // for reloading the config if changed
+
+    std::string currentCategory = "";  // For storing the category of the current item
+
+    std::string parseError = "";  // For storing a parse error to display later
+
+    bool isFirstLaunch = true;  // For exec-once
+
+    // internal methods
+    void                loadConfigLoadVars();
+    SConfigValue        getConfigValueSafe(std::string);
+    void                parseLine(std::string&);
+    void                configSetValueSafe(const std::string&, const std::string&);
+    void                handleRawExec(const std::string&, const std::string&);
+};
+
+inline std::unique_ptr<CConfigManager> g_pConfigManager;

src/debug/Log.cpp

@@ -2,6 +2,7 @@
 #include "../defines.hpp"
 
 #include <fstream>
+#include <iostream>
 
 void Debug::log(LogLevel level, const char* fmt, ...) {
     va_list args;
@@ -37,5 +38,8 @@ void Debug::log(LogLevel level, const char* fmt, ...) {
 
     ofs.close();
 
+    // log it to the stdout too.
+    std::cout << buf << "\n";
+
     va_end(args);
 }

src/defines.hpp

@@ -8,4 +8,4 @@
 
 #define RIP(format, ... ) { fprintf(stderr, format "\n", ##__VA_ARGS__); exit(EXIT_FAILURE); }
 
-#define LISTENER(name) inline wl_listener listener_##name = {.notify = ##name};
+#define LISTENER(name) void listener_##name(wl_listener*, void*); inline wl_listener listen_##name = { .notify = listener_##name };

src/events/Events.cpp

@@ -1,5 +1,70 @@
 #include "Events.hpp"
+#include "../input/InputManager.hpp"
 
 void Events::listener_activate(wl_listener* listener, void* data) {
     
 }
+
+void Events::listener_change(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_mouseAxis(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_mouseButton(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_mouseFrame(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_mouseMove(wl_listener* listener, void* data) {
+    g_pInputManager->onMouseMoved((wlr_event_pointer_motion*)data);
+}
+
+void Events::listener_mouseMoveAbsolute(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_newInput(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_newKeyboard(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_newLayerSurface(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_newOutput(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_newXDGSurface(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_outputMgrApply(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_outputMgrTest(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_requestMouse(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_requestSetPrimarySel(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_requestSetSel(wl_listener* listener, void* data) {
+
+}

src/helpers/Vector2D.cpp

@@ -17,3 +17,7 @@ double Vector2D::normalize() {
 
     return max;
 }
+
+Vector2D Vector2D::floor() {
+    return Vector2D((int)x, (int)y);
+}

src/helpers/Vector2D.hpp

@@ -26,4 +26,15 @@ class Vector2D {
     Vector2D operator/(float a) {
         return Vector2D(this->x / a, this->y / a);
     }
+
+    bool operator==(Vector2D& a) {
+        return a.x == x && a.y == y;
+    }
+
+    bool operator!=(Vector2D& a) {
+        return a.x != x || a.y != y;
+    }
+
+
+    Vector2D floor();
 };

src/includes.hpp

@@ -1,5 +1,11 @@
 #pragma once
 
+// because C/C++ VS Code intellisense is stupid with includes, we will suppress them here.
+// This suppresses all "include file not found" errors.
+#ifdef __INTELLISENSE__
+#pragma diag_suppress 1696
+#endif
+
 #include <X11/Xlib.h>
 #include <getopt.h>
 #include <libinput.h>
@@ -11,6 +17,8 @@
 #include <time.h>
 #include <unistd.h>
 #include <wayland-server-core.h>
+#include <mutex>
+#include <thread>
 
 
 #if true

src/input/InputManager.cpp

@@ -0,0 +1,17 @@
+#include "InputManager.hpp"
+#include "../Compositor.hpp"
+
+void CInputManager::onMouseMoved(wlr_event_pointer_motion* e) {
+    // TODO: sensitivity
+
+    float sensitivity = 0.25f;
+
+    m_vMouseCoords = m_vMouseCoords + Vector2D(e->delta_x * sensitivity, e->delta_y * sensitivity);
+
+    if (m_vMouseCoords.floor() != m_vWLRMouseCoords) {
+        Vector2D delta = m_vMouseCoords - m_vWLRMouseCoords;
+        m_vWLRMouseCoords = m_vMouseCoords.floor();
+
+        wlr_cursor_move(g_pCompositor->m_sWLRCursor, e->device, delta.floor().x, delta.floor().y);
+    }
+}

src/input/InputManager.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "../defines.hpp"
+
+class CInputManager {
+public:
+
+    void            onMouseMoved(wlr_event_pointer_motion*);
+    void            onMouseButton(int);
+
+private:
+    Vector2D        m_vMouseCoords      = Vector2D(0,0);
+    Vector2D        m_vWLRMouseCoords   = Vector2D(0,0);
+
+};
+
+inline std::unique_ptr<CInputManager> g_pInputManager;

src/main.cpp

@@ -1,6 +1,7 @@
 #include "defines.hpp"
 #include "debug/Log.hpp"
 #include "Compositor.hpp"
+#include "config/ConfigManager.hpp"
 
 int main(int argc, char** argv) {