Make the ui the daemon instead, add hotkey for recording/pause

TODO

@@ -52,4 +52,6 @@ Have different modes. Overlay, window and side menu. Overlay can be used on x11,
 
 Look at /home/dec05eba/git/global-hotkeys for hotkeys.
 
-Show navigation breadcrumbs for settings and deeper navigation (such as selecting a directory to save videos).
+Show navigation breadcrumbs for settings and deeper navigation (such as selecting a directory to save videos).
+
+If recording stops because of an error then the ui wont be running and we wont get a notification that recording failed.

gsr-ui-daemon/main.c

@@ -1,116 +0,0 @@
-#include <stdio.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <X11/Xlib.h>
-#include <X11/keysym.h>
-
-bool exec_program(const char **args, pid_t *process_id) {
-    *process_id = -1;
-
-    /* 1 argument */
-    if(args[0] == NULL)
-        return false;
-
-    pid_t pid = vfork();
-    if(pid == -1) {
-        perror("Failed to vfork");
-        return false;
-    } else if(pid == 0) { /* child */
-        execvp(args[0], (char* const*)args);
-        perror("execvp");
-        _exit(127);
-    } else { /* parent */
-        *process_id = pid;
-    }
-
-    return true;
-}
-
-static int ignore_xerror(Display *display, XErrorEvent *ee) {
-    (void)display;
-    (void)ee;
-    return 0;
-}
-
-static void sigterm_handler(int dummy) {
-    (void)dummy;
-}
-
-static const KeySym toggle_overlay_key = XK_Z;
-static unsigned int toggle_overlay_modifiers = Mod1Mask;
-
-static void grab_keys(Display *display) {
-    unsigned int numlockmask = 0; 
-    KeyCode numlock_keycode = XKeysymToKeycode(display, XK_Num_Lock);
-    XModifierKeymap *modmap = XGetModifierMapping(display);
-    for(int i = 0; i < 8; ++i) {
-        for(int j = 0; j < modmap->max_keypermod; ++j) {
-            if(modmap->modifiermap[i * modmap->max_keypermod + j] == numlock_keycode)
-                numlockmask = (1 << i); 
-        }
-    }   
-    XFreeModifiermap(modmap);
-
-    XErrorHandler prev_error_handler = XSetErrorHandler(ignore_xerror);
-    
-    Window root_window = DefaultRootWindow(display);
-    unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
-    for(int i = 0; i < 4; ++i) {
-        XGrabKey(display, XKeysymToKeycode(display, toggle_overlay_key), toggle_overlay_modifiers|modifiers[i], root_window, False, GrabModeAsync, GrabModeAsync);
-    }    
-    
-    XSync(display, False);
-    XSetErrorHandler(prev_error_handler);
-}
-
-int main(void) {
-    Display *display = XOpenDisplay(NULL);
-    if(!display) {
-        fprintf(stderr, "Error: XOpenDisplay failed\n");
-        return 1;
-    }
-
-    grab_keys(display);
-    const KeyCode overlay_keycode = XKeysymToKeycode(display, toggle_overlay_key);
-
-    XSetErrorHandler(ignore_xerror);
-    /* Killing gpu-screen-recorder with SIGTERM also gives us SIGTERM. We want to ignore that as that has no meaning here */
-    signal(SIGTERM, sigterm_handler);
-
-    pid_t overlay_pid = -1;
-
-    fprintf(stderr, "gsr ui is now ready, waiting for inputs. Press alt+z to show/hide the ui\n");
-
-    XEvent xev;
-    for(;;) {
-        XNextEvent(display, &xev);
-        if(xev.type == KeyPress && xev.xkey.keycode == overlay_keycode) {
-            if(overlay_pid != -1) {
-                int status;
-                if(waitpid(overlay_pid, &status, WNOHANG) == 0) {
-                    kill(overlay_pid, SIGINT);
-                    int status;
-                    if(waitpid(overlay_pid, &status, 0) == -1) {
-                        perror("waitpid failed");
-                        /* Ignore... */
-                    }
-                    overlay_pid = -1;
-                    continue;
-                } else {
-                    overlay_pid = -1;
-                }
-            }
-
-            if(overlay_pid == -1) {
-                fprintf(stderr, "launch ui\n");
-                // TODO: window_with_input_focus
-                const char *args[] = { "gsr-ui", NULL };
-                exec_program(args, &overlay_pid);
-            }
-        }
-    }
-    return 0;
-}

gsr-ui-daemon/project.conf

@@ -1,11 +0,0 @@
-[package]
-name = "gpu-screen-recorder-overlay-daemon"
-type = "executable"
-version = "0.1.0"
-platforms = ["posix"]
-
-[config]
-ignore_dirs = ["build"]
-
-[dependencies]
-x11 = ">=1"

include/Overlay.hpp

@@ -23,6 +23,13 @@ namespace gsr {
         STREAM
     };
 
+    enum class NotificationType {
+        NONE,
+        RECORD,
+        REPLAY,
+        STREAM
+    };
+
     class Overlay {
     public:
         Overlay(mgl::Window &window, std::string resources_path, GsrInfo gsr_info, egl_functions egl_funcs, mgl::Color bg_color);
@@ -36,17 +43,17 @@ namespace gsr {
         void show();
         void hide();
         void toggle_show();
+        void toggle_record();
+        void toggle_pause();
+        void show_notification(const char *str, double timeout_seconds, mgl::Color icon_color, mgl::Color bg_color, NotificationType notification_type);
         bool is_open() const;
     private:
         void process_key_bindings(mgl::Event &event);
 
         void update_gsr_process_status();
 
-        void load_program_status();
-        void save_program_status();
-        void load_program_pid();
-        void save_program_pid();
-        void recording_stopped_remove_runtime_files();
+        void update_ui_recording_paused();
+        void update_ui_recording_unpaused();
 
         void update_ui_recording_started();
         void update_ui_recording_stopped();
@@ -89,6 +96,7 @@ namespace gsr {
         DropdownButton *stream_dropdown_button_ptr = nullptr;
 
         RecordingStatus recording_status = RecordingStatus::NONE;
+        bool paused = false;
 
         std::array<KeyBinding, 1> key_bindings;
     };

include/Theme.hpp

@@ -41,6 +41,7 @@ namespace gsr {
         mgl::Texture checkbox_background_texture;
         mgl::Texture play_texture;
         mgl::Texture stop_texture;
+        mgl::Texture pause_texture;
 
         double double_click_timeout_seconds = 0.4;
 

include/Utils.hpp

@@ -32,6 +32,4 @@ namespace gsr {
     // Returns the path to the parent directory (ignoring trailing /)
     // of "." if there is no parent directory and the directory path is relative
     std::string get_parent_directory(std::string_view directory);
-
-    std::optional<std::string> get_gsr_runtime_dir();
 }

include/gui/DropdownButton.hpp

@@ -10,7 +10,7 @@
 namespace gsr {
     class DropdownButton : public Widget {
     public:
-        DropdownButton(mgl::Font *title_font, mgl::Font *description_font, const char *title, const char *description_activated, const char *description_deactivated, mgl::Texture *icon_texture, mgl::vec2f size);
+        DropdownButton(mgl::Font *title_font, mgl::Font *description_font, const char *title, const char *description, mgl::Texture *icon_texture, mgl::vec2f size);
         DropdownButton(const DropdownButton&) = delete;
         DropdownButton& operator=(const DropdownButton&) = delete;
 
@@ -21,6 +21,7 @@ namespace gsr {
         void set_item_label(const std::string &id, const std::string &new_label);
         void set_item_icon(const std::string &id, mgl::Texture *texture);
 
+        void set_description(std::string description_text);
         void set_activated(bool activated);
 
         mgl::vec2f get_size() override;
@@ -50,8 +51,6 @@ namespace gsr {
         mgl::Text description;
         mgl::Sprite icon_sprite;
 
-        std::string description_activated;
-        std::string description_deactivated;
         bool activated = false;
     };
 }

include/gui/FileChooser.hpp

@@ -54,6 +54,7 @@ namespace gsr {
 
         bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
         void draw(mgl::Window &window, mgl::vec2f offset) override;
+        void draw_navigation(mgl::Window &window, mgl::vec2f draw_pos);
 
         mgl::vec2f get_size() override;
 

meson.build

@@ -57,12 +57,5 @@ executable(
     cpp_args : '-DGSR_UI_RESOURCES_PATH="' + gsr_ui_resources_path + '"',
 )
 
-executable(
-    'gsr-ui-daemon',
-    ['gsr-ui-daemon/main.c'],
-    install : true,
-    dependencies : [dependency('x11')],
-)
-
 install_subdir('images', install_dir : gsr_ui_resources_path)
 install_subdir('fonts', install_dir : gsr_ui_resources_path)

src/Overlay.cpp

@@ -197,32 +197,32 @@ namespace gsr {
         close_button_widget({0.0f, 0.0f})
     {
         memset(&window_texture, 0, sizeof(window_texture));
-        load_program_status();
-        load_program_pid();
 
-        key_bindings[0].key_event.code = mgl::Keyboard::Z;
-        key_bindings[0].key_event.alt = true;
+        key_bindings[0].key_event.code = mgl::Keyboard::Escape;
+        key_bindings[0].key_event.alt = false;
         key_bindings[0].key_event.control = false;
         key_bindings[0].key_event.shift = false;
         key_bindings[0].key_event.system = false;
         key_bindings[0].callback = [this]() {
-            while(!page_stack.empty()) {
-                page_stack.pop();
-            }
+            page_stack.pop();
         };
     }
 
     Overlay::~Overlay() {
         hide();
-        // if(gpu_screen_recorder_process > 0) {
-        //     kill(gpu_screen_recorder_process, SIGINT);
-        //     int status;
-        //     if(waitpid(gpu_screen_recorder_process, &status, 0) == -1) {
-        //         perror("waitpid failed");
-        //         /* Ignore... */
-        //     }
-        //     gpu_screen_recorder_process = -1;
-        // }
+        if(gpu_screen_recorder_process > 0) {
+            kill(gpu_screen_recorder_process, SIGINT);
+            int status;
+            if(waitpid(gpu_screen_recorder_process, &status, 0) == -1) {
+                perror("waitpid failed");
+                /* Ignore... */
+            }
+            gpu_screen_recorder_process = -1;
+
+            // TODO: Show this with a slight delay to make sure it doesn't show up in the video
+            if(config->record_config.show_video_saved_notifications)
+                show_notification("Recording has been saved", 3.0, mgl::Color(255, 255, 255), get_theme().tint_color, NotificationType::RECORD);
+        }
     }
 
     static uint32_t key_event_to_bitmask(mgl::Event::KeyEvent key_event) {
@@ -248,12 +248,10 @@ namespace gsr {
             return;
 
         close_button_widget.on_event(event, window, mgl::vec2f(0.0f, 0.0f));
-        page_stack.on_event(event, window, mgl::vec2f(0.0f, 0.0f));
-        if(event.type == mgl::Event::KeyReleased) {
-            if(event.key.code == mgl::Keyboard::Escape)
-                page_stack.pop();
-        }
-        //process_key_bindings(event);
+        if(!page_stack.on_event(event, window, mgl::vec2f(0.0f, 0.0f)))
+            return;
+
+        process_key_bindings(event);
     }
 
     void Overlay::draw(mgl::Window &window) {
@@ -337,7 +335,7 @@ namespace gsr {
         auto main_buttons_list = std::make_unique<List>(List::Orientation::HORIZONTAL);
         main_buttons_list->set_spacing(0.0f);
         {
-            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Instant Replay", "On", "Off", &get_theme().replay_button_texture,
+            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Instant Replay", "Off", &get_theme().replay_button_texture,
                 mgl::vec2f(button_width, button_height));
             replay_dropdown_button_ptr = button.get();
             button->add_item("Turn on", "start", "Alt+Shift+F10");
@@ -347,18 +345,19 @@ namespace gsr {
             main_buttons_list->add_widget(std::move(button));
         }
         {
-            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Record", "Recording", "Not recording", &get_theme().record_button_texture,
+            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Record", "Not recording", &get_theme().record_button_texture,
                 mgl::vec2f(button_width, button_height));
             record_dropdown_button_ptr = button.get();
             button->add_item("Start", "start", "Alt+F9");
             button->add_item("Pause", "pause", "Alt+F7");
             button->add_item("Settings", "settings");
             button->set_item_icon("start", &get_theme().play_texture);
+            button->set_item_icon("pause", &get_theme().pause_texture);
             button->on_click = std::bind(&Overlay::on_press_start_record, this, std::placeholders::_1);
             main_buttons_list->add_widget(std::move(button));
         }
         {
-            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Livestream", "Streaming", "Not streaming", &get_theme().stream_button_texture,
+            auto button = std::make_unique<DropdownButton>(&get_theme().title_font, &get_theme().body_font, "Livestream", "Not streaming", &get_theme().stream_button_texture,
                 mgl::vec2f(button_width, button_height));
             stream_dropdown_button_ptr = button.get();
             button->add_item("Start", "start", "Alt+F8");
@@ -439,6 +438,9 @@ namespace gsr {
 
         if(gpu_screen_recorder_process > 0 && recording_status == RecordingStatus::RECORD)
             update_ui_recording_started();
+
+        if(paused)
+            update_ui_recording_paused();
     }
 
     void Overlay::hide() {
@@ -466,6 +468,58 @@ namespace gsr {
             show();
     }
 
+    void Overlay::toggle_record() {
+        on_press_start_record("start");
+    }
+
+    void Overlay::toggle_pause() {
+        if(recording_status != RecordingStatus::RECORD || gpu_screen_recorder_process <= 0)
+            return;
+
+        if(paused) {
+            update_ui_recording_unpaused();
+            show_notification("Recording has been unpaused", 3.0, mgl::Color(255, 255, 255), get_theme().tint_color, NotificationType::RECORD);
+        } else {
+            update_ui_recording_paused();
+            show_notification("Recording has been paused", 3.0, mgl::Color(255, 255, 255), get_theme().tint_color, NotificationType::RECORD);
+        }
+
+        kill(gpu_screen_recorder_process, SIGUSR2);
+        paused = !paused;
+    }
+
+    static const char* notification_type_to_string(NotificationType notification_type) {
+        switch(notification_type) {
+            case NotificationType::NONE:   return nullptr;
+            case NotificationType::RECORD: return "record";
+            case NotificationType::REPLAY: return "replay";
+            case NotificationType::STREAM: return "stream";
+        }
+        return nullptr;
+    }
+
+    void Overlay::show_notification(const char *str, double timeout_seconds, mgl::Color icon_color, mgl::Color bg_color, NotificationType notification_type) {
+        char timeout_seconds_str[32];
+        snprintf(timeout_seconds_str, sizeof(timeout_seconds_str), "%f", timeout_seconds);
+
+        const std::string icon_color_str = color_to_hex_str(icon_color);
+        const std::string bg_color_str = color_to_hex_str(bg_color);
+        const char *notification_args[12] = {
+            "gsr-notify", "--text", str, "--timeout", timeout_seconds_str,
+            "--icon-color", icon_color_str.c_str(), "--bg-color", bg_color_str.c_str(),
+        };
+
+        const char *notification_type_str = notification_type_to_string(notification_type);
+        if(notification_type_str) {
+            notification_args[9] = "--icon";
+            notification_args[10] = "record",
+            notification_args[11] = nullptr;
+        } else {
+            notification_args[9] = nullptr;
+        }
+        exec_program_daemonized(notification_args);
+    }
+
     bool Overlay::is_open() const {
         return visible;
     }
@@ -499,153 +553,52 @@ namespace gsr {
 
         gpu_screen_recorder_process = -1;
         recording_status = RecordingStatus::NONE;
-        recording_stopped_remove_runtime_files();
         update_ui_recording_stopped();
 
         if(exit_code == 0) {
-            if(config->record_config.show_video_saved_notifications) {
-                const std::string tint_color_as_hex = color_to_hex_str(get_theme().tint_color);
-                const char *notification_args[] = {
-                    "gsr-notify", "--text", "Recording has been saved", "--timeout", "3.0",
-                    "--icon", "record",
-                    "--icon-color", "ffffff", "--bg-color", tint_color_as_hex.c_str(),
-                    nullptr
-                };
-                exec_program_daemonized(notification_args);
-            }
+            if(config->record_config.show_video_saved_notifications)
+                show_notification("Recording has been saved", 3.0, mgl::Color(255, 255, 255), get_theme().tint_color, NotificationType::RECORD);
         } else {
             fprintf(stderr, "Warning: gpu-screen-recorder (%d) exited with exit status %d\n", (int)gpu_screen_recorder_process, exit_code);
-            const char *notification_args[] = {
-                "gsr-notify", "--text", "Failed to start/save recording", "--timeout", "3.0",
-                "--icon", "record",
-                "--icon-color", "ff0000", "--bg-color", "ff0000",
-                nullptr
-            };
-            exec_program_daemonized(notification_args);
+            show_notification("Failed to start/save recording", 3.0, mgl::Color(255, 0, 0), mgl::Color(255, 0, 0), NotificationType::RECORD);
         }
     }
 
-    static RecordingStatus recording_status_from_string(const char *status) {
-        RecordingStatus recording_status = RecordingStatus::NONE;
-        if(strcmp(status, "none") == 0)
-            recording_status = RecordingStatus::NONE;
-        else if(strcmp(status, "replay") == 0)
-            recording_status = RecordingStatus::REPLAY;
-        else if(strcmp(status, "record") == 0)
-            recording_status = RecordingStatus::RECORD;
-        else if(strcmp(status, "stream") == 0)
-            recording_status = RecordingStatus::STREAM;
-        return recording_status;
-    }
-
-    static const char* recording_status_to_string(RecordingStatus status) {
-        switch(status) {
-            case RecordingStatus::NONE:   return "none";
-            case RecordingStatus::REPLAY: return "replay";
-            case RecordingStatus::RECORD: return "record";
-            case RecordingStatus::STREAM: return "stream";
-        }
-        return "none";
-    }
-
-    void Overlay::load_program_status() {
-        recording_status = RecordingStatus::NONE;
-
-        std::optional<std::string> status_filepath = get_gsr_runtime_dir();
-        if(!status_filepath)
-            throw std::runtime_error("Failed to find/create runtime directory /run/user/.../gsr-ui or /tmp/gsr-ui");
-
-        status_filepath.value() += "/status";
-
-        std::string file_content;
-        if(!file_get_content(status_filepath.value().c_str(), file_content))
+    void Overlay::update_ui_recording_paused() {
+        if(!visible || recording_status != RecordingStatus::RECORD)
             return;
 
-        recording_status = recording_status_from_string(file_content.c_str());
+        record_dropdown_button_ptr->set_description("Paused");
+        record_dropdown_button_ptr->set_item_label("pause", "Unpause");
+        record_dropdown_button_ptr->set_item_icon("pause", &get_theme().play_texture);
     }
 
-    void Overlay::save_program_status() {
-        std::optional<std::string> status_filepath = get_gsr_runtime_dir();
-        if(!status_filepath)
-            throw std::runtime_error("Failed to find/create runtime directory /run/user/.../gsr-ui or /tmp/gsr-ui");
-
-        status_filepath.value() += "/status";
-        if(!file_overwrite(status_filepath.value().c_str(), recording_status_to_string(recording_status)))
-            fprintf(stderr, "Error: failed to update status to file %s\n", status_filepath.value().c_str());
-    }
-
-    void Overlay::load_program_pid() {
-        gpu_screen_recorder_process = -1;
-
-        std::optional<std::string> status_filepath = get_gsr_runtime_dir();
-        if(!status_filepath)
-            throw std::runtime_error("Failed to find/create runtime directory /run/user/.../gsr-ui or /tmp/gsr-ui");
-
-        status_filepath.value() += "/pid";
-
-        std::string file_content;
-        if(!file_get_content(status_filepath.value().c_str(), file_content))
+    void Overlay::update_ui_recording_unpaused() {
+        if(!visible || recording_status != RecordingStatus::RECORD)
             return;
 
-        int pid = -1;
-        if(sscanf(file_content.c_str(), "%d", &pid) != 1) {
-            fprintf(stderr, "Error: failed to read pid from file %s, content: %s\n", status_filepath.value().c_str(), file_content.c_str());
-            return;
-        }
-
-        char cmdline_path[256];
-        snprintf(cmdline_path, sizeof(cmdline_path), "/proc/%d/cmdline", pid);
-
-        char program_arg0[PATH_MAX];
-        program_arg0[0] = '\0';
-        if(!read_cmdline_arg0(cmdline_path, program_arg0)) {
-            fprintf(stderr, "Error: failed to parse arg0 from file %s. Was the gpu-screen-recorder process that was started by gsr-ui closed by another program or the user?\n", cmdline_path);
-            return;
-        }
-
-        if(strcmp(program_arg0, "gpu-screen-recorder") != 0) {
-            fprintf(stderr, "Warning: process %d exists but doesn't belong to gpu-screen-recorder (is instead %s). Was the gpu-screen-recorder process that was started by gsr-ui closed by another program or the user?\n", pid, program_arg0);
-            return;
-        }
-
-        gpu_screen_recorder_process = pid;
-    }
-
-    void Overlay::save_program_pid() {
-        std::optional<std::string> status_filepath = get_gsr_runtime_dir();
-        if(!status_filepath)
-            throw std::runtime_error("Failed to find/create runtime directory /run/user/.../gsr-ui or /tmp/gsr-ui");
-
-        status_filepath.value() += "/pid";
-
-        char str[32];
-        snprintf(str, sizeof(str), "%d", (int)gpu_screen_recorder_process);
-        if(!file_overwrite(status_filepath.value().c_str(), str))
-            fprintf(stderr, "Error: failed to update pid to file %s\n", status_filepath.value().c_str());
-    }
-
-    void Overlay::recording_stopped_remove_runtime_files() {
-        std::optional<std::string> status_filepath = get_gsr_runtime_dir();
-        if(!status_filepath) {
-            fprintf(stderr, "Error: Failed to find/create runtime directory /run/user/.../gsr-ui or /tmp/gsr-ui");
-            return;
-        }
-
-        const std::string status_file = status_filepath.value() + "/status";
-        const std::string pid_file = status_filepath.value() + "/pid";
-        remove(status_file.c_str());
-        remove(pid_file.c_str());
+        record_dropdown_button_ptr->set_description("Recording");
+        record_dropdown_button_ptr->set_item_label("pause", "Pause");
+        record_dropdown_button_ptr->set_item_icon("pause", &get_theme().pause_texture);
     }
 
     void Overlay::update_ui_recording_started() {
+        if(!visible)
+            return;
+
         record_dropdown_button_ptr->set_item_label("start", "Stop and save");
         record_dropdown_button_ptr->set_activated(true);
+        record_dropdown_button_ptr->set_description("Recording");
         record_dropdown_button_ptr->set_item_icon("start", &get_theme().stop_texture);
     }
 
     void Overlay::update_ui_recording_stopped() {
+        if(!visible)
+            return;
+
         record_dropdown_button_ptr->set_item_label("start", "Start");
         record_dropdown_button_ptr->set_activated(false);
+        record_dropdown_button_ptr->set_description("Not recording");
         record_dropdown_button_ptr->set_item_icon("start", &get_theme().play_texture);
     }
 
@@ -700,23 +653,30 @@ namespace gsr {
     }
 
     void Overlay::on_press_start_record(const std::string &id) {
+        audio_devices = get_audio_devices();
+
         if(id == "settings") {
             auto record_settings_page = std::make_unique<SettingsPage>(SettingsPage::Type::RECORD, gsr_info, audio_devices, config, &page_stack);
             page_stack.push(std::move(record_settings_page));
             return;
         }
 
+        if(id == "pause") {
+            toggle_pause();
+            return;
+        }
+
         if(id != "start")
             return;
 
         if(!config)
             config = Config();
 
+        paused = false;
+
         // window.close();
         // usleep(1000 * 50); // 50 milliseconds
 
-        const std::string tint_color_as_hex = color_to_hex_str(get_theme().tint_color);
-
         if(gpu_screen_recorder_process > 0) {
             kill(gpu_screen_recorder_process, SIGINT);
             int status;
@@ -730,19 +690,11 @@ namespace gsr {
             //exit(0);
             gpu_screen_recorder_process = -1;
             recording_status = RecordingStatus::NONE;
-            recording_stopped_remove_runtime_files();
             update_ui_recording_stopped();
 
             // TODO: Show this with a slight delay to make sure it doesn't show up in the video
-            if(config->record_config.show_video_saved_notifications) {
-                const char *notification_args[] = {
-                    "gsr-notify", "--text", "Recording has been saved", "--timeout", "3.0",
-                    "--icon", "record",
-                    "--icon-color", "ffffff", "--bg-color", tint_color_as_hex.c_str(),
-                    nullptr
-                };
-                exec_program_daemonized(notification_args);
-            }
+            if(config->record_config.show_video_saved_notifications)
+                show_notification("Recording has been saved", 3.0, mgl::Color(255, 255, 255), get_theme().tint_color, NotificationType::RECORD);
             return;
         }
 
@@ -799,8 +751,6 @@ namespace gsr {
             // TODO: Show notification failed to start
         } else {
             recording_status = RecordingStatus::RECORD;
-            save_program_status();
-            save_program_pid();
             update_ui_recording_started();
         }
 
@@ -813,15 +763,8 @@ namespace gsr {
         // TODO: Do not run this is a daemon. Instead get the pid and when launching another notification close the current notification
         // program and start another one. This can also be used to check when the notification has finished by checking with waitpid NOWAIT
         // to see when the program has exit.
-        if(config->record_config.show_recording_started_notifications) {
-            const char *notification_args[] = {
-                "gsr-notify", "--text", "Recording has started", "--timeout", "3.0",
-                "--icon", "record",
-                "--icon-color", tint_color_as_hex.c_str(), "--bg-color", tint_color_as_hex.c_str(),
-                nullptr
-            };
-            exec_program_daemonized(notification_args);
-        }
+        if(config->record_config.show_recording_started_notifications)
+            show_notification("Recording has started", 3.0, get_theme().tint_color, get_theme().tint_color, NotificationType::RECORD);
         //exit(0);
         // window.set_visible(false);
         // window.close();

src/Theme.cpp

@@ -94,6 +94,9 @@ namespace gsr {
         if(!theme->stop_texture.load_from_file((resources_path + "images/stop.png").c_str()))
             goto error;
 
+        if(!theme->pause_texture.load_from_file((resources_path + "images/pause.png").c_str()))
+            goto error;
+
         return true;
 
         error:

src/Utils.cpp

@@ -198,21 +198,4 @@ namespace gsr {
         }
         return result;
     }
-
-    std::optional<std::string> get_gsr_runtime_dir() {
-        std::optional<std::string> result;
-        char runtime_dir_path[256];
-        snprintf(runtime_dir_path, sizeof(runtime_dir_path), "/run/user/%u", (unsigned int)getuid());
-
-        struct stat st;
-        if(stat(runtime_dir_path, &st) == -1 || !S_ISDIR(st.st_mode))
-            snprintf(runtime_dir_path, sizeof(runtime_dir_path), "/tmp");
-
-        strcat(runtime_dir_path, "/gsr-ui");
-        if(create_directory_recursive(runtime_dir_path) != 0)
-            return result;
-
-        result = runtime_dir_path;
-        return result;
-    }
 }

src/gui/DropdownButton.cpp

@@ -15,9 +15,8 @@ namespace gsr {
     static const float icon_spacing_scale = 0.008f;
     static const float border_scale = 0.003f;
 
-    DropdownButton::DropdownButton(mgl::Font *title_font, mgl::Font *description_font, const char *title, const char *description_activated, const char *description_deactivated, mgl::Texture *icon_texture, mgl::vec2f size) :
-        title_font(title_font), description_font(description_font), size(size), title(title, *title_font), description(description_deactivated, *description_font),
-        description_activated(description_activated), description_deactivated(description_deactivated)
+    DropdownButton::DropdownButton(mgl::Font *title_font, mgl::Font *description_font, const char *title, const char *description, mgl::Texture *icon_texture, mgl::vec2f size) :
+        title_font(title_font), description_font(description_font), size(size), title(title, *title_font), description(description, *description_font)
     {
         if(icon_texture && icon_texture->is_valid()) {
             icon_sprite.set_texture(icon_texture);
@@ -202,6 +201,10 @@ namespace gsr {
         }
     }
 
+    void DropdownButton::set_description(std::string description_text) {
+        description.set_string(std::move(description_text));
+    }
+
     void DropdownButton::set_activated(bool activated) {
         if(this->activated == activated)
             return;
@@ -209,11 +212,9 @@ namespace gsr {
         this->activated = activated;
 
         if(activated) {
-            description = mgl::Text(description_activated, *description_font);
             description.set_color(get_theme().tint_color);
             icon_sprite.set_color(get_theme().tint_color);
         } else {
-            description = mgl::Text(description_deactivated, *description_font);
             description.set_color(mgl::Color(150, 150, 150));
             icon_sprite.set_color(mgl::Color(255, 255, 255));
         }

src/gui/FileChooser.cpp

@@ -223,25 +223,9 @@ namespace gsr {
             current_directory_padding_top_scale * get_theme().window_height + current_directory_padding_bottom_scale * get_theme().window_height
         );
 
-        mgl::vec2f current_directory_background_size = mgl::vec2f(size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y).floor();
+        const float current_directory_background_height = (int)(current_directory_text.get_bounds().size.y + current_directory_padding.y);
 
-        up_arrow_sprite.set_height((int)(current_directory_background_size.y * 0.8f));
-        up_arrow_sprite.set_position((draw_pos + mgl::vec2f(size.x - up_arrow_sprite.get_size().x, current_directory_background_size.y * 0.5f - up_arrow_sprite.get_size().y * 0.5f)).floor());
-        const bool mouse_inside_up_arrow = mgl::FloatRect(up_arrow_sprite.get_position(), up_arrow_sprite.get_size()).contains(window.get_mouse_position().to_vec2f()) && !has_parent_with_selected_child_widget();
-        up_arrow_sprite.set_color(mouse_inside_up_arrow ? get_theme().tint_color : mgl::Color(255, 255, 255));
-        window.draw(up_arrow_sprite);
-
-        current_directory_background_size.x -= (up_arrow_sprite.get_size().x + up_button_spacing_scale * get_theme().window_height);
-        mgl::Rectangle current_directory_background(current_directory_background_size.floor());
-        current_directory_background.set_color(mgl::Color(0, 0, 0, 120));
-        current_directory_background.set_position(draw_pos.floor());
-        window.draw(current_directory_background);
-
-        current_directory_text.set_color(get_theme().text_color);
-        current_directory_text.set_position((draw_pos + mgl::vec2f(current_directory_padding.x, current_directory_background_size.y * 0.5f - current_directory_text.get_bounds().size.y * 0.5f)).floor());
-        window.draw(current_directory_text);
-
-        draw_pos += mgl::vec2f(0.0f, current_directory_background_size.y + spacing_between_current_directory_and_content * get_theme().window_height);
+        draw_pos += mgl::vec2f(0.0f, current_directory_background_height + spacing_between_current_directory_and_content * get_theme().window_height);
         const mgl::vec2f body_size = mgl::vec2f(size.x, size.y - (draw_pos.y - draw_pos_start.y)).floor();
         scrollable_page.set_size(body_size);
         file_chooser_body_ptr->set_size(scrollable_page.get_inner_size());
@@ -251,9 +235,34 @@ namespace gsr {
         content_background.set_color(mgl::Color(0, 0, 0, 120));
         window.draw(content_background);
 
+        draw_navigation(window, draw_pos_start);
+
         scrollable_page.draw(window, draw_pos.floor());
     }
 
+    void FileChooser::draw_navigation(mgl::Window &window, mgl::vec2f draw_pos) {
+        const mgl::vec2f current_directory_padding(
+            current_directory_padding_left_scale * get_theme().window_height + current_directory_padding_right_scale * get_theme().window_height,
+            current_directory_padding_top_scale * get_theme().window_height + current_directory_padding_bottom_scale * get_theme().window_height
+        );
+        mgl::vec2f current_directory_background_size = mgl::vec2f(size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y).floor();
+        up_arrow_sprite.set_height((int)(current_directory_background_size.y * 0.8f));
+        up_arrow_sprite.set_position((draw_pos + mgl::vec2f(file_chooser_body_ptr->get_size().x - up_arrow_sprite.get_size().x, current_directory_background_size.y * 0.5f - up_arrow_sprite.get_size().y * 0.5f)).floor());
+        const bool mouse_inside_up_arrow = mgl::FloatRect(up_arrow_sprite.get_position(), up_arrow_sprite.get_size()).contains(window.get_mouse_position().to_vec2f()) && !has_parent_with_selected_child_widget();
+        up_arrow_sprite.set_color(mouse_inside_up_arrow ? get_theme().tint_color : mgl::Color(255, 255, 255));
+        window.draw(up_arrow_sprite);
+
+        current_directory_background_size.x = file_chooser_body_ptr->get_size().x - up_arrow_sprite.get_size().x - up_button_spacing_scale * get_theme().window_height;
+        mgl::Rectangle current_directory_background(current_directory_background_size.floor());
+        current_directory_background.set_color(mgl::Color(0, 0, 0, 120));
+        current_directory_background.set_position(draw_pos.floor());
+        window.draw(current_directory_background);
+
+        current_directory_text.set_color(get_theme().text_color);
+        current_directory_text.set_position((draw_pos + mgl::vec2f(current_directory_padding.x, current_directory_background_size.y * 0.5f - current_directory_text.get_bounds().size.y * 0.5f)).floor());
+        window.draw(current_directory_text);
+    }
+
     mgl::vec2f FileChooser::get_size() {
         if(!visible)
             return {0.0f, 0.0f};

src/main.cpp

@@ -10,8 +10,7 @@
 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
-#define XK_LATIN1
-#include <X11/keysymdef.h>
+#include <X11/keysym.h>
 #include <mglpp/mglpp.hpp>
 #include <mglpp/window/Window.hpp>
 #include <mglpp/window/Event.hpp>
@@ -33,7 +32,7 @@ extern "C" {
 const mgl::Color bg_color(0, 0, 0, 100);
 
 static void usage() {
-    fprintf(stderr, "usage: window-overlay\n");
+    fprintf(stderr, "usage: gsr-ui [toggle-record|toggle-pause]\n");
     exit(1);
 }
 
@@ -49,10 +48,15 @@ static void sigint_handler(int signal) {
 }
 
 int main(int argc, char **argv) {
-    (void)argv;
-    if(argc != 1)
+    setlocale(LC_ALL, "C"); // Sigh... stupid C
+
+    if(argc > 3)
         usage();
 
+    const char *action = NULL;
+    if(argc > 1)
+        action = argv[1];
+
     signal(SIGINT, sigint_handler);
 
     gsr::GsrInfo gsr_info;
@@ -124,25 +128,44 @@ int main(int argc, char **argv) {
         exit(1);
     }
 
+    fprintf(stderr, "info: gsr ui is now ready, waiting for inputs. Press alt+z to show/hide the overlay\n");
+
     gsr::Overlay overlay(window, resources_path, gsr_info, egl_funcs, bg_color);
-    overlay.show();
+    //overlay.show();
 
-    // gsr::GlobalHotkeysX11 global_hotkeys;
-    // global_hotkeys.bind_key_press({ XK_z, Mod1Mask }, "open/hide", [&](const std::string &id) {
-    //     fprintf(stderr, "pressed %s\n", id.c_str());
-    //     overlay.toggle_show();
-    // });
+    gsr::GlobalHotkeysX11 global_hotkeys;
+    const bool show_hotkey_registered = global_hotkeys.bind_key_press({ XK_z, Mod1Mask }, "open/hide", [&](const std::string &id) {
+        fprintf(stderr, "pressed %s\n", id.c_str());
+        overlay.toggle_show();
+    });
 
-    //fprintf(stderr, "info: gsr ui is now ready, waiting for inputs. Press alt+z to show/hide the overlay\n");
+    const bool record_hotkey_registered = global_hotkeys.bind_key_press({ XK_F9, Mod1Mask }, "record/save", [&](const std::string &id) {
+        fprintf(stderr, "pressed %s\n", id.c_str());
+        overlay.toggle_record();
+    });
+
+    const bool pause_hotkey_registered = global_hotkeys.bind_key_press({ XK_F7, Mod1Mask }, "pause/unpause", [&](const std::string &id) {
+        fprintf(stderr, "pressed %s\n", id.c_str());
+        overlay.toggle_pause();
+    });
+
+    if(!show_hotkey_registered)
+        fprintf(stderr, "error: failed to register hotkey alt+z for showing the overlay because the hotkey is registed by another program\n");
+
+    if(!record_hotkey_registered)
+        fprintf(stderr, "error: failed to register hotkey alt+f9 for recording because the hotkey is registed by another program\n");
+
+    if(!pause_hotkey_registered)
+        fprintf(stderr, "error: failed to register hotkey alt+f7 for pausing because the hotkey is registed by another program\n");
 
     mgl::Event event;
     mgl::Clock frame_delta_clock;
-    while(window.is_open() && overlay.is_open() && running) {
+    while(window.is_open() && running) {
         const double frame_delta_seconds = frame_delta_clock.get_elapsed_time_seconds();
         frame_delta_clock.restart();
         gsr::set_frame_delta_seconds(frame_delta_seconds);
 
-        //global_hotkeys.poll_events();        
+        global_hotkeys.poll_events();        
         while(window.poll_event(event)) {
             overlay.on_event(event, window);
         }
@@ -152,7 +175,7 @@ int main(int argc, char **argv) {
         window.display();
     }
 
-    fprintf(stderr, "shutting down!\n");
+    fprintf(stderr, "info: shutting down!\n");
     gsr::deinit_theme();
     window.close();