Start on file chooser, page stack

src/Config.cpp

@@ -12,6 +12,13 @@
 #define CONFIG_FILE_VERSION 1
 
 namespace gsr {
+    static std::optional<KeyValue> parse_key_value(std::string_view line) {
+        const size_t space_index = line.find(' ');
+        if(space_index == std::string_view::npos)
+            return std::nullopt;
+        return KeyValue{line.substr(0, space_index), line.substr(space_index + 1)};
+    }
+
     using ConfigValue = std::variant<bool*, std::string*, int32_t*, ConfigHotkey*, std::vector<std::string>*>;
 
     static std::map<std::string_view, ConfigValue> get_config_options(Config &config) {

src/GsrInfo.cpp

@@ -4,6 +4,13 @@
 #include <string.h>
 
 namespace gsr {
+    static std::optional<KeyValue> parse_key_value(std::string_view line) {
+        const size_t space_index = line.find('|');
+        if(space_index == std::string_view::npos)
+            return std::nullopt;
+        return KeyValue{line.substr(0, space_index), line.substr(space_index + 1)};
+    }
+
     static void parse_system_info_line(GsrInfo *gsr_info, std::string_view line) {
         const std::optional<KeyValue> key_value = parse_key_value(line);
         if(!key_value)
@@ -156,6 +163,7 @@ namespace gsr {
         if(WIFEXITED(status)) {
             switch(WEXITSTATUS(status)) {
                 case 0:  return GsrInfoExitStatus::OK;
+                case 14: return GsrInfoExitStatus::BROKEN_DRIVERS;
                 case 22: return GsrInfoExitStatus::OPENGL_FAILED;
                 case 23: return GsrInfoExitStatus::NO_DRM_CARD;
                 default: return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
@@ -180,14 +188,14 @@ namespace gsr {
 
         FILE *f = popen("gpu-screen-recorder --list-audio-devices", "r");
         if(!f) {
-            fprintf(stderr, "error: 'gpu-screen-recorder --info' failed\n");
+            fprintf(stderr, "error: 'gpu-screen-recorder --list-audio-devices' failed\n");
             return audio_devices;
         }
 
         char output[16384];
         ssize_t bytes_read = fread(output, 1, sizeof(output) - 1, f);
         if(bytes_read < 0 || ferror(f)) {
-            fprintf(stderr, "error: failed to read 'gpu-screen-recorder --info' output\n");
+            fprintf(stderr, "error: failed to read 'gpu-screen-recorder --list-audio-devices' output\n");
             pclose(f);
             return audio_devices;
         }
@@ -202,4 +210,4 @@ namespace gsr {
 
         return audio_devices;
     }
-}
+}

src/Theme.cpp

@@ -5,7 +5,7 @@
 namespace gsr {
     static Theme *theme = nullptr;
 
-    bool init_theme(const gsr::GsrInfo &gsr_info, mgl::vec2i window_size, const std::string &resources_path) {
+    bool init_theme(const GsrInfo &gsr_info, mgl::vec2i window_size, const std::string &resources_path) {
         if(theme)
             return true;
 
@@ -15,18 +15,18 @@ namespace gsr {
         theme->window_height = window_size.y;
 
         switch(gsr_info.gpu_info.vendor) {
-            case gsr::GpuVendor::UNKNOWN: {
+            case GpuVendor::UNKNOWN: {
                 break;
             }
-            case gsr::GpuVendor::AMD: {
+            case GpuVendor::AMD: {
                 theme->tint_color = mgl::Color(221, 0, 49);
                 break;
             }
-            case gsr::GpuVendor::INTEL: {
+            case GpuVendor::INTEL: {
                 theme->tint_color = mgl::Color(8, 109, 183);
                 break;
             }
-            case gsr::GpuVendor::NVIDIA: {
+            case GpuVendor::NVIDIA: {
                 theme->tint_color = mgl::Color(118, 185, 0);
                 break;
             }
@@ -53,6 +53,9 @@ namespace gsr {
         if(!theme->settings_texture.load_from_file((resources_path + "images/settings.png").c_str(), {false, false, false}))
             goto error;
 
+        if(!theme->folder_texture.load_from_file((resources_path + "images/folder.png").c_str(), {false, false, false}))
+            goto error;
+
         return true;
 
         error:

src/Utils.cpp

@@ -22,13 +22,6 @@ namespace gsr {
         }
     }
 
-    std::optional<KeyValue> parse_key_value(std::string_view line) {
-        const size_t space_index = line.find(' ');
-        if(space_index == std::string_view::npos)
-            return std::nullopt;
-        return KeyValue{line.substr(0, space_index), line.substr(space_index + 1)};
-    }
-
     std::string get_home_dir() {
         const char *home_dir = getenv("HOME");
         if(!home_dir) {

src/gui/Button.cpp

@@ -70,4 +70,8 @@ namespace gsr {
     void Button::set_border_scale(float scale) {
         border_scale = scale;
     }
+
+    const std::string& Button::get_text() const {
+        return text.get_string();
+    }
 }

src/gui/ComboBox.cpp

@@ -146,14 +146,14 @@ namespace gsr {
         dirty = true;
     }
 
-    void ComboBox::set_selected_item(const std::string &id, bool trigger_event) {
+    void ComboBox::set_selected_item(const std::string &id, bool trigger_event, bool trigger_event_even_if_selection_not_changed) {
         for(size_t i = 0; i < items.size(); ++i) {
             auto &item = items[i];
             if(item.id == id) {
                 const size_t prev_selected_item = selected_item;
                 selected_item = i;
 
-                if(trigger_event && selected_item != prev_selected_item && on_selection_changed)
+                if(trigger_event && (trigger_event_even_if_selection_not_changed || selected_item != prev_selected_item) && on_selection_changed)
                     on_selection_changed(item.text.get_string(), item.id);
 
                 break;

src/gui/FileChooser.cpp

@@ -0,0 +1,174 @@
+#include "../../include/gui/FileChooser.hpp"
+#include "../../include/gui/Utils.hpp"
+#include "../../include/Theme.hpp"
+#include <mglpp/graphics/Rectangle.hpp>
+#include <mglpp/graphics/Sprite.hpp>
+#include <mglpp/window/Window.hpp>
+#include <mglpp/window/Event.hpp>
+#include <mglpp/system/FloatRect.hpp>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <string.h>
+
+namespace gsr {
+    static const float current_directory_padding_top_scale = 0.004629f;
+    static const float current_directory_padding_bottom_scale = 0.004629f;
+    static const float current_directory_padding_left_scale = 0.004629f;
+    static const float current_directory_padding_right_scale = 0.004629f;
+    static const float spacing_between_current_directory_and_content = 0.015f;
+    static const int num_columns = 6;
+    static const float content_padding_top_scale = 0.015f;
+    static const float content_padding_bottom_scale = 0.015f;
+    static const float content_padding_left_scale = 0.015f;
+    static const float content_padding_right_scale = 0.015f;
+
+    FileChooser::FileChooser(const char *start_directory, mgl::vec2f content_size) :
+        content_size(content_size), current_directory_text(start_directory, get_theme().body_font)
+    {
+        set_current_directory(start_directory);
+    }
+
+    bool FileChooser::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) {
+        if(!visible)
+            return true;
+
+        if(event.type == mgl::Event::MouseButtonPressed && event.mouse_button.button == mgl::Mouse::Left) {
+            if(double_click_timer.get_elapsed_time_seconds() <= get_theme().double_click_timeout_seconds) {
+                ++times_clicked_within_timer;
+            } else {
+                times_clicked_within_timer = 1;
+            }
+            double_click_timer.restart();
+
+            selected_item = mouse_over_item;
+
+            if(selected_item != -1 && times_clicked_within_timer > 0 && times_clicked_within_timer % 2 == 0) {
+                char new_directory[PATH_MAX];
+                snprintf(new_directory, sizeof(new_directory), "%s/%s", current_directory_text.get_string().c_str(), folders[selected_item].get_string().c_str());
+                set_current_directory(new_directory);
+            }
+        }
+        return true;
+    }
+
+    void FileChooser::draw(mgl::Window &window, mgl::vec2f offset) {
+        mouse_over_item = -1;
+
+        if(!visible)
+            return;
+
+        const mgl::vec2f draw_pos = position + offset;
+        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::Rectangle current_directory_background(mgl::vec2f(content_size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y).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.get_size().y * 0.5f - current_directory_text.get_bounds().size.y * 0.5f)).floor());
+        window.draw(current_directory_text);
+
+        mgl::Rectangle content_background(content_size.floor());
+        content_background.set_color(mgl::Color(0, 0, 0, 120));
+        content_background.set_position((draw_pos + mgl::vec2f(0.0f, current_directory_background.get_size().y + spacing_between_current_directory_and_content * get_theme().window_height)).floor());
+        window.draw(content_background);
+
+        const mgl::vec2f mouse_pos = window.get_mouse_position().to_vec2f();
+
+        const int content_padding_top = content_padding_top_scale * get_theme().window_height;
+        const int content_padding_bottom = content_padding_bottom_scale * get_theme().window_height;
+        const int content_padding_left = content_padding_left_scale * get_theme().window_height;
+        const int content_padding_right = content_padding_right_scale * get_theme().window_height;
+
+        const float folder_width = (int)((content_size.x - (content_padding_left + content_padding_right) * num_columns) / num_columns);
+        const float width_per_item_after = content_padding_right + folder_width + content_padding_left;
+        mgl::vec2f folder_pos = content_background.get_position() + mgl::vec2f(content_padding_left, content_padding_top);
+        for(int i = 0; i < (int)folders.size(); ++i) {
+            auto &folder_text = folders[i];
+
+            mgl::Sprite folder_sprite(&get_theme().folder_texture);
+            folder_sprite.set_position(folder_pos.floor());
+            folder_sprite.set_width((int)folder_width);
+
+            const mgl::vec2f item_pos = folder_pos - mgl::vec2f(content_padding_left, content_padding_top);
+            const mgl::vec2f item_size = folder_sprite.get_size() + mgl::vec2f(content_padding_left + content_padding_right, content_padding_top + content_padding_bottom);
+            if(i == selected_item) {
+                mgl::Rectangle selected_item_background(item_size.floor());
+                selected_item_background.set_position(item_pos.floor());
+                selected_item_background.set_color(get_theme().tint_color);
+                window.draw(selected_item_background);
+            }
+            if(!has_parent_with_selected_child_widget() && mouse_over_item == -1 && mgl::FloatRect(item_pos, item_size).contains(mouse_pos)) {
+                // mgl::Rectangle selected_item_background(item_size.floor());
+                // selected_item_background.set_position(item_pos.floor());
+                // selected_item_background.set_color(mgl::Color(20, 20, 20, 150));
+                // window.draw(selected_item_background);
+                const float border_scale = 0.0015f;
+                draw_rectangle_outline(window, item_pos.floor(), item_size.floor(), get_theme().tint_color, border_scale * get_theme().window_height);
+                mouse_over_item = i;
+            }
+
+            window.draw(folder_sprite);
+
+            // TODO: Dont allow text to go further left/right than item_pos (on the left side) and item_pos + item_size (on the right side).
+            folder_text.set_position(folder_sprite.get_position() + mgl::vec2f(folder_sprite.get_size().x * 0.5f - folder_text.get_bounds().size.x * 0.5f, folder_sprite.get_size().y));
+            window.draw(folder_text);
+
+            folder_pos.x += width_per_item_after;
+            if(folder_pos.x + folder_width > content_background.get_position().x + content_size.x) {
+                folder_pos.x = content_background.get_position().x + content_padding_left;
+                folder_pos.y += content_padding_bottom + folder_sprite.get_size().y + content_padding_top;
+            }
+        }
+    }
+
+    mgl::vec2f FileChooser::get_size() {
+        if(!visible)
+            return {0.0f, 0.0f};
+
+        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
+        );
+        return {content_size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y + spacing_between_current_directory_and_content * get_theme().window_height + content_size.y};
+    }
+
+    static bool is_dir(struct dirent *dir, const char *parent_directory) {
+        if(dir->d_type == DT_DIR)
+            return true;
+
+        char filepath[PATH_MAX];
+        snprintf(filepath, sizeof(filepath), "%s/%s", parent_directory, dir->d_name);
+
+        struct stat st;
+        return stat(filepath, &st) != -1 && S_ISDIR(st.st_mode);
+    }
+
+    void FileChooser::set_current_directory(const char *directory) {
+        folders.clear();
+        selected_item = -1;
+        mouse_over_item = -1;
+        current_directory_text.set_string(directory);
+
+        DIR *d = opendir(directory);
+        if(!d) {
+            fprintf(stderr, "gsr-overlay error: failed to open directory: %s, error: %s\n", directory, strerror(errno));
+            return;
+        }
+
+        struct dirent *dir = NULL;
+        while((dir = readdir(d)) != NULL) {
+            /* Ignore hidden files */
+            if(dir->d_name[0] == '.' || !is_dir(dir, directory))
+                continue;
+            folders.push_back(mgl::Text(dir->d_name, get_theme().body_font));
+        }
+
+        closedir(d);
+    }
+}

src/gui/GsrPage.cpp

@@ -0,0 +1,126 @@
+#include "../../include/gui/GsrPage.hpp"
+#include "../../include/Theme.hpp"
+
+#include <mglpp/graphics/Rectangle.hpp>
+#include <mglpp/graphics/Sprite.hpp>
+#include <mglpp/window/Window.hpp>
+
+namespace gsr {
+    GsrPage::GsrPage() :
+        scrollable_body(mgl::vec2f(0.0f, 0.0f)),
+        back_button(&get_theme().title_font, "Back",
+            mgl::vec2f(get_theme().window_width / 10, get_theme().window_height / 15).floor(), get_theme().scrollable_page_bg_color),
+        label_text("Settings", get_theme().title_font)
+    {
+        //set_position(content_page_position);
+        const float margin = 0.02f;
+        set_margins(margin, margin, margin, margin);
+        back_button.set_border_scale(0.003f);
+    }
+
+    bool GsrPage::on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f) {
+        if(!visible)
+            return true;
+
+        if(!scrollable_body.on_event(event, window, mgl::vec2f(0.0f, 0.0f)))
+            return false;
+
+        if(!back_button.on_event(event, window, mgl::vec2f(0.0f, 0.0f)))
+            return false;
+
+        return true;
+    }
+
+    void GsrPage::draw(mgl::Window &window, mgl::vec2f offset) {
+        if(!visible)
+            return;
+
+        const int margin_top = margin_top_scale * get_theme().window_height;
+        const int margin_left = margin_left_scale * get_theme().window_height;
+
+        const mgl::vec2f window_size = mgl::vec2f(get_theme().window_width, get_theme().window_height).floor();
+        const mgl::vec2f content_page_size = get_size();
+        const mgl::vec2f content_page_position = mgl::vec2f(window_size * 0.5f - content_page_size * 0.5f).floor();
+        offset = content_page_position + mgl::vec2f(margin_left, get_border_size() + margin_top).floor();
+
+        mgl::Rectangle background(content_page_size);
+        background.set_position(content_page_position);
+        background.set_color(get_theme().scrollable_page_bg_color);
+        window.draw(background);
+
+        mgl::Rectangle border(mgl::vec2f(content_page_size.x, get_border_size()).floor());
+        border.set_position(content_page_position);
+        border.set_color(get_theme().tint_color);
+        window.draw(border);
+
+        scrollable_body.set_position(offset);
+        scrollable_body.draw(window, mgl::vec2f(0.0f, 0.0f));
+
+        draw_page_label(window, content_page_position);
+
+        back_button.set_position(content_page_position + mgl::vec2f(content_page_size.x + get_horizontal_spacing(), 0.0f).floor());
+        back_button.draw(window, mgl::vec2f(0.0f, 0.0f));
+    }
+
+    void GsrPage::draw_page_label(mgl::Window &window, mgl::vec2f body_pos) {
+        const mgl::vec2f window_size = mgl::vec2f(get_theme().window_width, get_theme().window_height).floor();
+
+        mgl::Rectangle background(mgl::vec2f(window_size.x / 10, window_size.x / 10).floor());
+        background.set_position(body_pos.floor() - mgl::vec2f(background.get_size().x + get_horizontal_spacing(), 0.0f).floor());
+        background.set_color(mgl::Color(0, 0, 0, 255));
+        window.draw(background);
+
+        const int text_margin = background.get_size().y * 0.085;
+        label_text.set_position((background.get_position() + mgl::vec2f(background.get_size().x * 0.5f - label_text.get_bounds().size.x * 0.5f, text_margin)).floor());
+        window.draw(label_text);
+
+        mgl::Sprite icon(&get_theme().settings_texture);
+        icon.set_height((int)(background.get_size().y * 0.5f));
+        icon.set_position((background.get_position() + background.get_size() * 0.5f - icon.get_size() * 0.5f).floor());
+        window.draw(icon);
+    }
+
+    mgl::vec2f GsrPage::get_size() {
+        if(!visible)
+            return {0.0f, 0.0f};
+
+        const mgl::vec2f window_size = mgl::vec2f(get_theme().window_width, get_theme().window_height).floor();
+        const mgl::vec2f content_page_size = (window_size * mgl::vec2f(0.3333f, 0.7f)).floor();
+        return content_page_size;
+    }
+
+    mgl::vec2f GsrPage::get_inner_size() {
+        if(!visible)
+            return {0.0f, 0.0f};
+
+        const int margin_top = margin_top_scale * get_theme().window_height;
+        const int margin_bottom = margin_bottom_scale * get_theme().window_height;
+        const int margin_left = margin_left_scale * get_theme().window_height;
+        const int margin_right = margin_right_scale * get_theme().window_height;
+        return get_size() - mgl::vec2f(margin_left + margin_right, margin_top + margin_bottom + get_border_size());
+    }
+
+    void GsrPage::add_widget(std::unique_ptr<Widget> widget) {
+        scrollable_body.add_widget(std::move(widget));
+    }
+
+    void GsrPage::set_margins(float top, float bottom, float left, float right) {
+        margin_top_scale = top;
+        margin_bottom_scale = bottom;
+        margin_left_scale = left;
+        margin_right_scale = right;
+        scrollable_body.set_size(get_inner_size());
+    }
+
+    void GsrPage::set_on_back_button_click(std::function<void()> on_click_handler) {
+        back_button.on_click = std::move(on_click_handler);
+    }
+
+    float GsrPage::get_border_size() const {
+        return 0.004f * get_theme().window_height;
+    }
+
+    float GsrPage::get_horizontal_spacing() const {
+        return get_theme().window_width / 50;
+    }
+}

src/gui/List.cpp

@@ -14,55 +14,25 @@ namespace gsr {
         if(!visible)
             return true;
 
-        inside_event_handler = true;
         // We want to store the selected child widget since it can change in the event loop below
         Widget *selected_widget = selected_child_widget;
         if(selected_widget) {
-            if(!selected_widget->on_event(event, window, mgl::vec2f(0.0f, 0.0f))) {
-                inside_event_handler = false;
+            if(!selected_widget->on_event(event, window, mgl::vec2f(0.0f, 0.0f)))
                 return false;
-            }
         }
 
         // Process widgets by visibility (backwards)
-        for(auto it = widgets.rbegin(), end = widgets.rend(); it != end; ++it) {
+        return widgets.for_each_reverse([selected_widget, &event, &window](std::unique_ptr<Widget> &widget) {
             // Ignore offset because widgets are positioned with offset in ::draw, this solution is simpler
-            if(it->get() != selected_widget) {
-                if(!(*it)->on_event(event, window, mgl::vec2f(0.0f, 0.0f))) {
-                    inside_event_handler = false;
+            if(widget.get() != selected_widget) {
+                if(!widget->on_event(event, window, mgl::vec2f(0.0f, 0.0f)))
                     return false;
-                }
             }
-        }
-
-        inside_event_handler = false;
-        return true;
-    }
-
-    // TODO: Maybe call this from main on all widgets instead of from draw
-    void List::update() {
-        //widgets.insert(widgets.back(), std::make_move_iterator(add_queue.begin()), std::make_move_iterator(add_queue.end()));
-        std::move(add_queue.begin(), add_queue.end(), std::back_inserter(widgets));
-        add_queue.clear();
-
-        for(Widget *widget_to_remove : remove_queue) {
-            remove_widget_immediate(widget_to_remove);
-        }
-        remove_queue.clear();
-    }
-
-    void List::remove_widget_immediate(Widget *widget) {
-        for(auto it = widgets.begin(), end = widgets.end(); it != end; ++it) {
-            if(it->get() == widget) {
-                widgets.erase(it);
-                return;
-            }
-        }
+            return true;
+        });
     }
 
     void List::draw(mgl::Window &window, mgl::vec2f offset) {
-        update();
-
         if(!visible)
             return;
 
@@ -140,28 +110,15 @@ namespace gsr {
 
     void List::add_widget(std::unique_ptr<Widget> widget) {
         widget->parent_widget = this;
-        if(inside_event_handler)
-            add_queue.push_back(std::move(widget));
-        else
-            widgets.push_back(std::move(widget));
+        widgets.push_back(std::move(widget));
     }
 
     void List::remove_widget(Widget *widget) {
-        for(auto it = add_queue.begin(), end = add_queue.end(); it != end; ++it) {
-            if(it->get() == widget) {
-                add_queue.erase(it);
-                return;
-            }
-        }
-
-        if(inside_event_handler)
-            remove_queue.push_back(widget);
-        else
-            remove_widget_immediate(widget);
+        widgets.remove(widget);
     }
 
-    const std::vector<std::unique_ptr<Widget>>& List::get_child_widgets() const {
-        return widgets;
+    void List::for_each_child_widget(std::function<bool(std::unique_ptr<Widget> &widget)> callback) {
+        widgets.for_each(callback);
     }
 
     Widget* List::get_child_widget_by_index(size_t index) const {

src/gui/PageStack.cpp

@@ -0,0 +1,58 @@
+#include "../../include/gui/PageStack.hpp"
+
+namespace gsr {
+    PageStack::PageStack() {}
+    
+    bool PageStack::on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) {
+        if(!visible)
+            return true;
+
+        offset = position + offset;
+        std::unique_ptr<Page> *top_page = widget_stack.back();
+        if(top_page) {
+            if(!(*top_page)->on_event(event, window, offset))
+                return false;
+        }
+
+        return true;
+    }
+
+    void PageStack::draw(mgl::Window &window, mgl::vec2f offset) {
+        if(!visible)
+            return;
+
+        offset = position + offset;
+        std::unique_ptr<Page> *top_page = widget_stack.back();
+        if(top_page)
+            (*top_page)->draw(window, offset);
+    }
+
+    mgl::vec2f PageStack::get_size() {
+        return {0.0f, 0.0f};
+    }
+
+    void PageStack::push(std::unique_ptr<Page> widget) {
+        widget->on_navigate_to_page();
+        widget_stack.push_back(std::move(widget));
+    }
+
+    void PageStack::pop() {
+        std::unique_ptr<Page> *top_page = widget_stack.back();
+        if(top_page) {
+            (*top_page)->on_navigate_away_from_page();
+            widget_stack.pop_back();
+        }
+    }
+
+    Page* PageStack::top() {
+        std::unique_ptr<Page> *top_page = widget_stack.back();
+        if(top_page)
+            return top_page->get();
+        else
+            return nullptr;
+    }
+
+    bool PageStack::empty() const {
+        return widget_stack.empty();
+    }
+}

src/gui/RadioButton.cpp

@@ -121,14 +121,14 @@ namespace gsr {
         dirty = true;
     }
 
-    void RadioButton::set_selected_item(const std::string &id, bool trigger_event) {
+    void RadioButton::set_selected_item(const std::string &id, bool trigger_event, bool trigger_event_even_if_selection_not_changed) {
         for(size_t i = 0; i < items.size(); ++i) {
             auto &item = items[i];
             if(item.id == id) {
                 const size_t prev_selected_item = selected_item;
                 selected_item = i;
 
-                if(trigger_event && selected_item != prev_selected_item && on_selection_changed)
+                if(trigger_event && (trigger_event_even_if_selection_not_changed || selected_item != prev_selected_item) && on_selection_changed)
                     on_selection_changed(item.text.get_string(), item.id);
 
                 break;

src/gui/ScrollablePage.cpp

@@ -1,7 +1,5 @@
 #include "../../include/gui/ScrollablePage.hpp"
-#include "../../include/Theme.hpp"
 
-#include <mglpp/graphics/Rectangle.hpp>
 #include <mglpp/window/Window.hpp>
 
 namespace gsr {
@@ -11,11 +9,8 @@ namespace gsr {
         if(!visible)
             return true;
 
-        const int margin_top = margin_top_scale * get_theme().window_height;
-        const int margin_left = margin_left_scale * get_theme().window_height;
-
         const mgl::vec2f draw_pos = position + offset;
-        offset = draw_pos + mgl::vec2f(margin_left, get_border_size() + margin_top).floor();
+        offset = draw_pos;
         Widget *selected_widget = selected_child_widget;
 
         if(selected_widget) {
@@ -38,21 +33,8 @@ namespace gsr {
         if(!visible)
             return;
 
-        const int margin_top = margin_top_scale * get_theme().window_height;
-        const int margin_left = margin_left_scale * get_theme().window_height;
-
         const mgl::vec2f draw_pos = position + offset;
-        offset = draw_pos + mgl::vec2f(margin_left, get_border_size() + margin_top).floor();
-
-        mgl::Rectangle background(size.floor());
-        background.set_position(draw_pos);
-        background.set_color(get_theme().scrollable_page_bg_color);
-        window.draw(background);
-
-        mgl::Rectangle border(mgl::vec2f(size.x, get_border_size()).floor());
-        border.set_position(draw_pos);
-        border.set_color(get_theme().tint_color);
-        window.draw(border);
+        offset = draw_pos;
 
         mgl_scissor prev_scissor;
         mgl_window_get_scissor(window.internal_window(), &prev_scissor);
@@ -84,25 +66,11 @@ namespace gsr {
         return size;
     }
 
-    mgl::vec2f ScrollablePage::get_inner_size() {
-        if(!visible)
-            return {0.0f, 0.0f};
-
-        const int margin_top = margin_top_scale * get_theme().window_height;
-        const int margin_bottom = margin_bottom_scale * get_theme().window_height;
-        const int margin_left = margin_left_scale * get_theme().window_height;
-        const int margin_right = margin_right_scale * get_theme().window_height;
-        return size - mgl::vec2f(margin_left + margin_right, margin_top + margin_bottom + get_border_size());
+    void ScrollablePage::set_size(mgl::vec2f size) {
+        this->size = size;
     }
 
-    void ScrollablePage::set_margins(float top, float bottom, float left, float right) {
-        margin_top_scale = top;
-        margin_bottom_scale = bottom;
-        margin_left_scale = left;
-        margin_right_scale = right;
-    }
-
-    float ScrollablePage::get_border_size() const {
-        return 0.004f * get_theme().window_height;
+    void ScrollablePage::add_widget(std::unique_ptr<Widget> widget) {
+        widgets.push_back(std::move(widget));
     }
 }

src/gui/SettingsPage.cpp

@@ -1,6 +1,8 @@
 #include "../../include/gui/SettingsPage.hpp"
-#include "../../include/gui/ScrollablePage.hpp"
+#include "../../include/gui/GsrPage.hpp"
 #include "../../include/gui/Label.hpp"
+#include "../../include/gui/PageStack.hpp"
+#include "../../include/gui/FileChooser.hpp"
 #include "../../include/Theme.hpp"
 #include "../../include/GsrInfo.hpp"
 
@@ -10,20 +12,17 @@
 #include <mglpp/window/Window.hpp>
 
 namespace gsr {
-    SettingsPage::SettingsPage(Type type, const GsrInfo &gsr_info, const std::vector<AudioDevice> &audio_devices, std::optional<Config> &config) :
+    SettingsPage::SettingsPage(Type type, const GsrInfo &gsr_info, const std::vector<AudioDevice> &audio_devices, std::optional<Config> &config, PageStack *page_stack) :
         StaticPage(mgl::vec2f(get_theme().window_width, get_theme().window_height).floor()),
         type(type),
         config(config),
+        page_stack(page_stack),
         settings_title_text("Settings", get_theme().title_font)
     {
-        const mgl::vec2f window_size = mgl::vec2f(get_theme().window_width, get_theme().window_height).floor();
-        const mgl::vec2f content_page_size = (window_size * mgl::vec2f(0.3333f, 0.7f)).floor();
-        const mgl::vec2f content_page_position = mgl::vec2f(window_size * 0.5f - content_page_size * 0.5f).floor();
-        const float settings_body_margin = 0.02f;
-
-        auto content_page = std::make_unique<ScrollablePage>(content_page_size);
-        content_page->set_position(content_page_position);
-        content_page->set_margins(settings_body_margin, settings_body_margin, settings_body_margin, settings_body_margin);
+        auto content_page = std::make_unique<GsrPage>();
+        content_page->set_on_back_button_click([page_stack]() {
+            page_stack->pop();
+        });
         content_page_ptr = content_page.get();
         add_widget(std::move(content_page));
 
@@ -31,40 +30,6 @@ namespace gsr {
         add_page_specific_widgets();
     }
 
-    std::unique_ptr<Button> SettingsPage::create_back_button() {
-        const mgl::vec2i window_size(get_theme().window_width, get_theme().window_height);
-        auto back_button = std::make_unique<Button>(&get_theme().title_font, "Back", mgl::vec2f(window_size.x / 10, window_size.y / 15).floor(), get_theme().scrollable_page_bg_color);
-        back_button->set_position(content_page_ptr->get_position().floor() + mgl::vec2f(content_page_ptr->get_size().x + window_size.x / 50, 0.0f).floor());
-        back_button->set_border_scale(0.003f);
-        back_button->on_click = [this]() {
-            if(on_back_button_handler)
-                on_back_button_handler();
-        };
-        return back_button;
-    }
-
-    std::unique_ptr<CustomRendererWidget> SettingsPage::create_settings_icon() {
-        const mgl::vec2i window_size(get_theme().window_width, get_theme().window_height);
-        auto settings_icon_widget = std::make_unique<CustomRendererWidget>(mgl::vec2f(window_size.x / 10, window_size.x / 10).floor());
-        settings_icon_widget->set_position(content_page_ptr->get_position().floor() - mgl::vec2f(settings_icon_widget->get_size().x + window_size.x / 50, 0.0f).floor());
-        settings_icon_widget->draw_handler = [&](mgl::Window &window, mgl::vec2f pos, mgl::vec2f size) {
-            mgl::Rectangle background(size);
-            background.set_position(pos);
-            background.set_color(mgl::Color(0, 0, 0, 255));
-            window.draw(background);
-
-            const int text_margin = size.y * 0.085;
-            settings_title_text.set_position((pos + mgl::vec2f(size.x * 0.5f - settings_title_text.get_bounds().size.x * 0.5f, text_margin)).floor());
-            window.draw(settings_title_text);
-
-            mgl::Sprite icon(&get_theme().settings_texture);
-            icon.set_height((int)(size.y * 0.5f));
-            icon.set_position((pos + size * 0.5f - icon.get_size() * 0.5f).floor());
-            window.draw(icon);
-        };
-        return settings_icon_widget;
-    }
-
     std::unique_ptr<RadioButton> SettingsPage::create_view_radio_button() {
         auto view_radio_button = std::make_unique<RadioButton>(&get_theme().body_font);
         view_radio_button->add_item("Simple view", "simple");
@@ -363,8 +328,6 @@ namespace gsr {
     }
 
     void SettingsPage::add_widgets(const GsrInfo &gsr_info, const std::vector<AudioDevice> &audio_devices) {
-        add_widget(create_back_button());
-        add_widget(create_settings_icon());
         content_page_ptr->add_widget(create_settings(gsr_info, audio_devices));
 
         record_area_box_ptr->on_selection_changed = [this](const std::string &text, const std::string &id) {
@@ -400,9 +363,20 @@ namespace gsr {
     std::unique_ptr<List> SettingsPage::create_save_directory(const char *label) {
         auto save_directory_list = std::make_unique<List>(List::Orientation::VERTICAL);
         save_directory_list->add_widget(std::make_unique<Label>(&get_theme().body_font, label, get_theme().text_color));
-        auto save_directory_entry = std::make_unique<Entry>(&get_theme().body_font, "/home/dec05eba/Videos", get_theme().body_font.get_character_size() * 20);
-        save_directory_entry_ptr = save_directory_entry.get();
-        save_directory_list->add_widget(std::move(save_directory_entry));
+        auto save_directory_button = std::make_unique<Button>(&get_theme().body_font, "/home/dec05eba/Videos", mgl::vec2f(0.0f, 0.0f), mgl::Color(0, 0, 0, 120));
+        save_directory_button->on_click = [this]() {
+            auto select_directory_page = std::make_unique<GsrPage>();
+            select_directory_page->set_on_back_button_click([this]() {
+                page_stack->pop();
+            });
+            
+            auto file_chooser = std::make_unique<gsr::FileChooser>("/home/dec05eba", select_directory_page->get_size());
+            select_directory_page->add_widget(std::move(file_chooser));
+
+            page_stack->push(std::move(select_directory_page));
+        };
+        save_directory_button_ptr = save_directory_button.get();
+        save_directory_list->add_widget(std::move(save_directory_button));
         return save_directory_list;
     }
 
@@ -658,12 +632,12 @@ namespace gsr {
 
     static void save_audio_tracks(std::vector<std::string> &audio_tracks, List *audio_devices_list_ptr) {
         audio_tracks.clear();
-        const std::vector<std::unique_ptr<Widget>> &audio_devices_list = audio_devices_list_ptr->get_child_widgets();
-        for(const std::unique_ptr<Widget> &child_widget : audio_devices_list) {
+        audio_devices_list_ptr->for_each_child_widget([&audio_tracks](std::unique_ptr<Widget> &child_widget) {
             List *audio_device_line = static_cast<List*>(child_widget.get());
             ComboBox *audio_device_box = static_cast<ComboBox*>(audio_device_line->get_child_widget_by_index(0));
             audio_tracks.push_back(audio_device_box->get_selected_id());
-        }
+            return true;
+        });
     }
 
     void SettingsPage::save_common(RecordOptions &record_options) {
@@ -705,7 +679,7 @@ namespace gsr {
         config->replay_config.show_replay_started_notifications = show_replay_started_notification_checkbox_ptr->is_checked();
         config->replay_config.show_replay_stopped_notifications = show_replay_stopped_notification_checkbox_ptr->is_checked();
         config->replay_config.show_replay_saved_notifications = show_replay_saved_notification_checkbox_ptr->is_checked();
-        config->replay_config.save_directory = save_directory_entry_ptr->get_text();
+        config->replay_config.save_directory = save_directory_button_ptr->get_text();
         config->replay_config.container = container_box_ptr->get_selected_id();
         config->replay_config.replay_time = atoi(replay_time_entry_ptr->get_text().c_str());
 
@@ -719,7 +693,7 @@ namespace gsr {
         save_common(config->record_config.record_options);
         config->record_config.show_recording_started_notifications = show_recording_started_notification_checkbox_ptr->is_checked();
         config->record_config.show_video_saved_notifications = show_video_saved_notification_checkbox_ptr->is_checked();
-        config->record_config.save_directory = save_directory_entry_ptr->get_text();
+        config->record_config.save_directory = save_directory_button_ptr->get_text();
         config->record_config.container = container_box_ptr->get_selected_id();
     }
 

src/main.cpp

@@ -4,24 +4,17 @@
 #include "../include/gui/CustomRendererWidget.hpp"
 #include "../include/gui/SettingsPage.hpp"
 #include "../include/gui/Utils.hpp"
+#include "../include/gui/PageStack.hpp"
 #include "../include/Process.hpp"
 #include "../include/Theme.hpp"
 #include "../include/GsrInfo.hpp"
 #include "../include/window_texture.h"
 #include "../include/Config.hpp"
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <time.h>
-#include <errno.h>
-#include <libgen.h>
 #include <signal.h>
 #include <sys/wait.h>
-#include <optional>
-#include <signal.h>
 #include <assert.h>
-#include <stack>
 
 #include <X11/Xlib.h>
 #include <X11/cursorfont.h>
@@ -235,10 +228,10 @@ int main(int argc, char **argv) {
     signal(SIGINT, sigint_handler);
 
     gsr::GsrInfo gsr_info;
-    // TODO:
+    // TODO: Show the error in ui
     gsr::GsrInfoExitStatus gsr_info_exit_status = gsr::get_gpu_screen_recorder_info(&gsr_info);
     if(gsr_info_exit_status != gsr::GsrInfoExitStatus::OK) {
-        fprintf(stderr, "error: failed to get gpu-screen-recorder info\n");
+        fprintf(stderr, "error: failed to get gpu-screen-recorder info, error: %d\n", (int)gsr_info_exit_status);
         exit(1);
     }
 
@@ -331,8 +324,6 @@ int main(int argc, char **argv) {
     WindowTexture window_texture;
     bool window_texture_loaded = false;
 
-    mgl_texture window_texture_tex;
-    memset(&window_texture_tex, 0, sizeof(window_texture_tex));
     mgl::Texture window_texture_texture;
     mgl::Sprite window_texture_sprite;
 
@@ -343,18 +334,7 @@ int main(int argc, char **argv) {
             window_texture_loaded = window_texture_init(&window_texture, display, mgl_window_get_egl_display(window.internal_window()), window_at_cursor_position, egl_funcs) == 0;
 
         if(window_texture_loaded && window_texture.texture_id) {
-            DrawableGeometry geometry;
-            get_drawable_geometry(display, (Drawable)window_texture.pixmap, &geometry);
-
-            window_texture_tex.id = window_texture.texture_id;
-            window_texture_tex.width = geometry.width;
-            window_texture_tex.height = geometry.height;
-            window_texture_tex.format = MGL_TEXTURE_FORMAT_RGB;
-            window_texture_tex.max_width = 1 << 15;
-            window_texture_tex.max_height = 1 << 15;
-            window_texture_tex.pixel_coordinates = false;
-            window_texture_tex.mipmap = false;
-            window_texture_texture = mgl::Texture::reference(window_texture_tex);
+            window_texture_texture = mgl::Texture(window_texture.texture_id, MGL_TEXTURE_FORMAT_RGB);
             window_texture_sprite.set_texture(&window_texture_texture);
         } else {
             XImage *img = XGetImage(display, DefaultRootWindow(display), window_pos.x, window_pos.y, window_size.x, window_size.y, AllPlanes, ZPixmap);
@@ -376,33 +356,14 @@ int main(int argc, char **argv) {
     mgl::Rectangle bg_screenshot_overlay(window_size.to_vec2f());
     bg_screenshot_overlay.set_color(bg_color);
 
-    gsr::StaticPage front_page(window_size.to_vec2f());
+    auto front_page = std::make_unique<gsr::StaticPage>(window_size.to_vec2f());
+    gsr::StaticPage *front_page_ptr = front_page.get();
 
-    std::stack<gsr::Page*> page_stack;
-    page_stack.push(&front_page);
-
-    const auto settings_back_button_callback = [&] {
-        page_stack.top()->on_navigate_away_from_page();
-        page_stack.pop();
-    };
+    gsr::PageStack page_stack;
+    page_stack.push(std::move(front_page));
 
     std::optional<gsr::Config> config = gsr::read_config();
 
-    gsr::SettingsPage replay_settings_page(gsr::SettingsPage::Type::REPLAY, gsr_info, audio_devices, config);
-    replay_settings_page.on_back_button_handler = settings_back_button_callback;
-
-    gsr::SettingsPage record_settings_page(gsr::SettingsPage::Type::RECORD, gsr_info, audio_devices, config);
-    record_settings_page.on_back_button_handler = settings_back_button_callback;
-
-    gsr::SettingsPage stream_settings_page(gsr::SettingsPage::Type::STREAM, gsr_info, audio_devices, config);
-    stream_settings_page.on_back_button_handler = settings_back_button_callback;
-
-    if(!config) {
-        replay_settings_page.save();
-        record_settings_page.save();
-        stream_settings_page.save();
-    }
-
     struct MainButton {
         gsr::DropdownButton* button;
         gsr::GsrMode mode;
@@ -444,7 +405,7 @@ int main(int argc, char **argv) {
         button->add_item("Start", "start");
         button->add_item("Settings", "settings");
         gsr::DropdownButton *button_ptr = button.get();
-        front_page.add_widget(std::move(button));
+        front_page_ptr->add_widget(std::move(button));
 
         MainButton main_button = {
             button_ptr,
@@ -488,7 +449,8 @@ int main(int argc, char **argv) {
     // Replay
     main_buttons[0].button->on_click = [&](const std::string &id) {
         if(id == "settings") {
-            page_stack.push(&replay_settings_page);
+            auto replay_settings_page = std::make_unique<gsr::SettingsPage>(gsr::SettingsPage::Type::REPLAY, gsr_info, audio_devices, config, &page_stack);
+            page_stack.push(std::move(replay_settings_page));
             return;
         }
         /*
@@ -513,7 +475,8 @@ int main(int argc, char **argv) {
     // Record
     main_buttons[1].button->on_click = [&](const std::string &id) {
         if(id == "settings") {
-            page_stack.push(&record_settings_page);
+            auto record_settings_page = std::make_unique<gsr::SettingsPage>(gsr::SettingsPage::Type::RECORD, gsr_info, audio_devices, config, &page_stack);
+            page_stack.push(std::move(record_settings_page));
             return;
         }
 
@@ -598,7 +561,8 @@ int main(int argc, char **argv) {
     // Stream
     main_buttons[2].button->on_click = [&](const std::string &id) {
         if(id == "settings") {
-            page_stack.push(&stream_settings_page);
+            auto stream_settings_page = std::make_unique<gsr::SettingsPage>(gsr::SettingsPage::Type::STREAM, gsr_info, audio_devices, config, &page_stack);
+            page_stack.push(std::move(stream_settings_page));
             return;
         }
     };
@@ -733,6 +697,8 @@ int main(int argc, char **argv) {
 
     quit:
     fprintf(stderr, "shutting down!\n");
+    XUngrabKeyboard(display, CurrentTime);
+    XUngrabPointer(display, CurrentTime);
     if(window_texture_loaded)
         window_texture_deinit(&window_texture);
     gsr::deinit_theme();