Move dropdown button text and icon code to dropdown button class

TODO

@@ -9,3 +9,5 @@ Maybe change design to have black triangles appear and get larger until they fil
     All of these things should be done with vertex buffer, for real 3D.
 
 DISPLAY gamescope-0
+
+Colorscheme should follow graphics card in use. On nvidia use nvidia green, on intel use intel blue and on amd use amd red.

include/GsrInfo.hpp

@@ -0,0 +1,66 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <mglpp/system/vec.hpp>
+
+namespace gsr {
+    struct SupportedVideoCodecs {
+        bool h264 = false;
+        bool hevc = false;
+        bool av1 = false;
+        bool vp8 = false;
+        bool vp9 = false;
+    };
+
+    struct GsrMonitor {
+        std::string name;
+        mgl::vec2i size;
+    };
+
+    struct SupportedCaptureOptions {
+        bool window = false;
+        bool focused = false;
+        bool screen = false;
+        bool portal = false;
+        std::vector<GsrMonitor> monitors;
+    };
+
+    enum class DisplayServer {
+        UNKNOWN,
+        X11,
+        WAYLAND
+    };
+
+    struct SystemInfo {
+        DisplayServer display_server = DisplayServer::UNKNOWN;
+    };
+
+    enum class GpuVendor {
+        UNKNOWN,
+        AMD,
+        INTEL,
+        NVIDIA
+    };
+
+    struct GpuInfo {
+        GpuVendor vendor = GpuVendor::UNKNOWN;
+    };
+
+    struct GsrInfo {
+        SystemInfo system_info;
+        GpuInfo gpu_info;
+        SupportedVideoCodecs supported_video_codecs;
+        SupportedCaptureOptions supported_capture_options;
+    };
+
+    enum class GsrInfoExitStatus {
+        OK,
+        FAILED_TO_RUN_COMMAND,
+        OPENGL_FAILED,
+        NO_DRM_CARD
+    };
+
+    GsrInfoExitStatus get_gpu_screen_recorder_info(GsrInfo *gsr_info);
+}

include/Theme.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <mglpp/graphics/Color.hpp>
+
+namespace gsr {
+    struct GsrInfo;
+
+    struct Theme {
+        Theme() = default;
+        Theme(const Theme&) = delete;
+        Theme& operator=(const Theme&) = delete;
+
+        mgl::Color tint_color = mgl::Color(118, 185, 0);
+    };
+
+    void init_theme(const gsr::GsrInfo &gsr_info);
+    const Theme& get_theme();
+}

include/gui/DropdownButton.hpp

@@ -0,0 +1,54 @@
+#pragma once
+
+#include "Widget.hpp"
+#include <string>
+#include <functional>
+#include <vector>
+#include <mglpp/graphics/Text.hpp>
+#include <mglpp/graphics/Sprite.hpp>
+
+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(const DropdownButton&) = delete;
+        DropdownButton& operator=(const DropdownButton&) = delete;
+
+        bool on_event(mgl::Event &event, mgl::Window &window) override;
+        void draw(mgl::Window &window) override;
+
+        void add_item(const std::string &text, const std::string &id);
+        void set_item_label(const std::string &id, const std::string &new_label);
+
+        void set_activated(bool activated);
+
+        mgl::vec2f get_size();
+
+        std::function<void(const std::string &id)> on_click;
+    private:
+        void update_if_dirty();
+    private:
+        struct Item {
+            mgl::Text text;
+            std::string id;
+        };
+
+        std::vector<Item> items;
+        mgl::Font *title_font;
+        mgl::Font *description_font;
+        mgl::vec2f size;
+        bool mouse_inside = false;
+        bool show_dropdown = false;
+        bool dirty = true;
+        mgl::vec2f max_size;
+        int mouse_inside_item = -1;
+
+        mgl::Text title;
+        mgl::Text description;
+        mgl::Sprite icon_sprite;
+
+        std::string description_activated;
+        std::string description_deactivated;
+        bool activated = false;
+    };
+}

include/gui/Utils.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <mglpp/system/vec.hpp>
+#include <mglpp/graphics/Color.hpp>
+
+namespace mgl {
+    class Window;
+}
+
+namespace gsr {
+    // Inner border
+    void draw_rectangle_outline(mgl::Window &window, mgl::vec2f pos, mgl::vec2f size, mgl::Color color, float border_size);
+}

src/GsrInfo.cpp

@@ -0,0 +1,179 @@
+#include "../include/GsrInfo.hpp"
+#include <string.h>
+#include <functional>
+
+namespace gsr {
+    using StringSplitCallback = std::function<bool(std::string_view line)>;
+
+    static void string_split_char(const std::string &str, char delimiter, StringSplitCallback callback_func) {
+        size_t index = 0;
+        while(index < str.size()) {
+            size_t new_index = str.find(delimiter, index);
+            if(new_index == std::string::npos)
+                new_index = str.size();
+
+            if(!callback_func({str.data() + index, new_index - index}))
+                break;
+
+            index = new_index + 1;
+        }
+    }
+
+    static void parse_system_info_line(GsrInfo *gsr_info, const std::string &line) {
+        const size_t space_index = line.find(' ');
+        if(space_index == std::string::npos)
+            return;
+
+        const std::string_view attribute_name = {line.c_str(), space_index};
+        const std::string_view attribute_value = {line.c_str() + space_index + 1, line.size() - (space_index + 1)};
+        if(attribute_name == "display_server") {
+            if(attribute_value == "x11")
+                gsr_info->system_info.display_server = DisplayServer::X11;
+            else if(attribute_value == "wayland")
+                gsr_info->system_info.display_server = DisplayServer::WAYLAND;
+        }
+    }
+
+    static void parse_gpu_info_line(GsrInfo *gsr_info, const std::string &line) {
+        const size_t space_index = line.find(' ');
+        if(space_index == std::string::npos)
+            return;
+
+        const std::string_view attribute_name = {line.c_str(), space_index};
+        const std::string_view attribute_value = {line.c_str() + space_index + 1, line.size() - (space_index + 1)};
+        if(attribute_name == "vendor") {
+            if(attribute_value == "amd")
+                gsr_info->gpu_info.vendor = GpuVendor::AMD;
+            else if(attribute_value == "intel")
+                gsr_info->gpu_info.vendor = GpuVendor::INTEL;
+            else if(attribute_value == "nvidia")
+                gsr_info->gpu_info.vendor = GpuVendor::NVIDIA;
+        }
+    }
+
+    static void parse_video_codecs_line(GsrInfo *gsr_info, const std::string &line) {
+        if(line == "h264")
+            gsr_info->supported_video_codecs.h264 = true;
+        else if(line == "hevc")
+            gsr_info->supported_video_codecs.hevc = true;
+        else if(line == "av1")
+            gsr_info->supported_video_codecs.av1 = true;
+        else if(line == "vp8")
+            gsr_info->supported_video_codecs.vp8 = true;
+        else if(line == "vp9")
+            gsr_info->supported_video_codecs.vp9 = true;
+    }
+
+    static GsrMonitor capture_option_line_to_monitor(const std::string &line) {
+        size_t space_index = line.find(' ');
+        if(space_index == std::string::npos)
+            return { line, {0, 0} };
+
+        mgl::vec2i size = {0, 0};
+        if(sscanf(line.c_str() + space_index + 1, "%dx%d", &size.x, &size.y) != 2)
+            size = {0, 0};
+
+        return { line.substr(0, space_index), size };
+    }
+
+    static void parse_capture_options_line(GsrInfo *gsr_info, const std::string &line) {
+        if(line == "window")
+            gsr_info->supported_capture_options.window = true;
+        else if(line == "focused")
+            gsr_info->supported_capture_options.focused = true;
+        else if(line == "screen")
+            gsr_info->supported_capture_options.screen = true;
+        else if(line == "portal")
+            gsr_info->supported_capture_options.portal = true;
+        else
+            gsr_info->supported_capture_options.monitors.push_back(capture_option_line_to_monitor(line));
+    }
+
+    enum class GsrInfoSection {
+        UNKNOWN,
+        SYSTEM_INFO,
+        GPU_INFO,
+        VIDEO_CODECS,
+        CAPTURE_OPTIONS
+    };
+
+    static bool starts_with(const std::string &str, const char *substr) {
+        size_t len = strlen(substr);
+        return str.size() >= len && memcmp(str.data(), substr, len) == 0;
+    }
+
+    GsrInfoExitStatus get_gpu_screen_recorder_info(GsrInfo *gsr_info) {
+        *gsr_info = GsrInfo{};
+
+        FILE *f = popen("gpu-screen-recorder --info", "r");
+        if(!f) {
+            fprintf(stderr, "error: 'gpu-screen-recorder --info' failed\n");
+            return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
+        }
+
+        char output[8192];
+        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");
+            pclose(f);
+            return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
+        }
+        output[bytes_read] = '\0';
+
+        GsrInfoSection section = GsrInfoSection::UNKNOWN;
+        string_split_char(output, '\n', [&](std::string_view line) {
+            const std::string line_str(line.data(), line.size());
+
+            if(starts_with(line_str, "section=")) {
+                const char *section_name = line_str.c_str() + 8;
+                if(strcmp(section_name, "system_info") == 0)
+                    section = GsrInfoSection::SYSTEM_INFO;
+                else if(strcmp(section_name, "gpu_info") == 0)
+                    section = GsrInfoSection::GPU_INFO;
+                else if(strcmp(section_name, "video_codecs") == 0)
+                    section = GsrInfoSection::VIDEO_CODECS;
+                else if(strcmp(section_name, "capture_options") == 0)
+                    section = GsrInfoSection::CAPTURE_OPTIONS;
+                else
+                    section = GsrInfoSection::UNKNOWN;
+                return true;
+            }
+
+            switch(section) {
+                case GsrInfoSection::UNKNOWN: {
+                    break;
+                }
+                case GsrInfoSection::SYSTEM_INFO: {
+                    parse_system_info_line(gsr_info, line_str);
+                    break;
+                }
+                case GsrInfoSection::GPU_INFO: {
+                    parse_gpu_info_line(gsr_info, line_str);
+                    break;
+                }
+                case GsrInfoSection::VIDEO_CODECS: {
+                    parse_video_codecs_line(gsr_info, line_str);
+                    break;
+                }
+                case GsrInfoSection::CAPTURE_OPTIONS: {
+                    parse_capture_options_line(gsr_info, line_str);
+                    break;
+                }
+            }
+
+            return true;
+        });
+
+        int status = pclose(f);
+        if(WIFEXITED(status)) {
+            switch(WEXITSTATUS(status)) {
+                case 0:  return GsrInfoExitStatus::OK;
+                case 22: return GsrInfoExitStatus::OPENGL_FAILED;
+                case 23: return GsrInfoExitStatus::NO_DRM_CARD;
+                default: return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
+            }
+        }
+
+        return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
+    }
+}

src/Theme.cpp

@@ -0,0 +1,34 @@
+#include "../include/Theme.hpp"
+#include "../include/GsrInfo.hpp"
+#include <assert.h>
+
+namespace gsr {
+    static Theme theme;
+    static bool initialized = false;
+
+    void init_theme(const gsr::GsrInfo &gsr_info) {
+        switch(gsr_info.gpu_info.vendor) {
+            case gsr::GpuVendor::UNKNOWN: {
+                break;
+            }
+            case gsr::GpuVendor::AMD: {
+                theme.tint_color = mgl::Color(221, 0, 49);
+                break;
+            }
+            case gsr::GpuVendor::INTEL: {
+                theme.tint_color = mgl::Color(8, 109, 183);
+                break;
+            }
+            case gsr::GpuVendor::NVIDIA: {
+                theme.tint_color = mgl::Color(118, 185, 0);
+                break;
+            }
+        }
+        initialized = true;
+    }
+
+    const Theme& get_theme() {
+        assert(initialized);
+        return theme;
+    }
+}

src/gui/Button.cpp

@@ -1,4 +1,5 @@
 #include "../../include/gui/Button.hpp"
+#include "../../include/Theme.hpp"
 #include <mglpp/graphics/Rectangle.hpp>
 #include <mglpp/window/Window.hpp>
 #include <mglpp/window/Event.hpp>
@@ -40,7 +41,7 @@ namespace gsr {
             }
 
             const int border_size = 5;
-            const mgl::Color border_color(118, 185, 0);
+            const mgl::Color border_color = gsr::get_theme().tint_color;
 
             // Green line at top
             {

src/gui/ComboBox.cpp

@@ -1,4 +1,6 @@
 #include "../../include/gui/ComboBox.hpp"
+#include "../../include/gui/Utils.hpp"
+#include "../../include/Theme.hpp"
 #include <mglpp/graphics/Rectangle.hpp>
 #include <mglpp/graphics/Font.hpp>
 #include <mglpp/window/Window.hpp>
@@ -46,40 +48,6 @@ namespace gsr {
         return true;
     }
 
-    static void draw_rectangle_outline(mgl::Window &window, mgl::vec2f pos, mgl::vec2f size, mgl::Color color, float border_size) {
-        // Green line at top
-        {
-            mgl::Rectangle rect({ size.x, border_size });
-            rect.set_position(pos);
-            rect.set_color(color);
-            window.draw(rect);
-        }
-
-        // Green line at bottom
-        {
-            mgl::Rectangle rect({ size.x, border_size });
-            rect.set_position(pos + mgl::vec2f(0.0f, size.y - border_size));
-            rect.set_color(color);
-            window.draw(rect);
-        }
-
-        // Green line at left
-        {
-            mgl::Rectangle rect({ border_size, size.y - border_size * 2 });
-            rect.set_position(pos + mgl::vec2f(0, border_size));
-            rect.set_color(color);
-            window.draw(rect);
-        }
-
-        // Green line at right
-        {
-            mgl::Rectangle rect({ border_size, size.y - border_size * 2 });
-            rect.set_position(pos + mgl::vec2f(size.x - border_size, border_size));
-            rect.set_color(color);
-            window.draw(rect);
-        }
-    }
-
     void ComboBox::draw(mgl::Window &window) {
         update_if_dirty();
 
@@ -102,10 +70,10 @@ namespace gsr {
         mgl::vec2f pos = position + mgl::vec2f(padding_left, padding_top);
 
         Item &item = items[selected_item];
-        item.text.set_position(pos);
+        item.text.set_position(pos.floor());
         if(show_dropdown) {
             const int border_size = 3;
-            const mgl::Color border_color(118, 185, 0);
+            const mgl::Color border_color = gsr::get_theme().tint_color;
             draw_rectangle_outline(window, pos - mgl::vec2f(padding_left, padding_top), item_size, border_color, border_size);
         }
         window.draw(item.text);
@@ -113,7 +81,7 @@ namespace gsr {
 
         for(size_t i = 0; i < items.size(); ++i) {
             Item &item = items[i];
-            item.text.set_position(pos);
+            item.text.set_position(pos.floor());
             const mgl::FloatRect text_bounds = item.text.get_bounds();
 
             if(show_dropdown) {
@@ -121,7 +89,7 @@ namespace gsr {
                     inside = mgl::FloatRect(text_bounds.position - mgl::vec2f(padding_left, padding_top), item_size).contains({ (float)mouse_pos.x, (float)mouse_pos.y });
                     if(inside) {
                         mgl::Rectangle item_background(text_bounds.position - mgl::vec2f(padding_left, padding_top), item_size);
-                        item_background.set_color(mgl::Color(118, 185, 0));
+                        item_background.set_color(gsr::get_theme().tint_color);
                         window.draw(item_background);
                     } else {
                         /*const int border_size = 3;

src/gui/DropdownButton.cpp

@@ -0,0 +1,181 @@
+#include "../../include/gui/DropdownButton.hpp"
+#include "../../include/gui/Utils.hpp"
+#include "../../include/Theme.hpp"
+#include <mglpp/graphics/Rectangle.hpp>
+#include <mglpp/graphics/Texture.hpp>
+#include <mglpp/window/Window.hpp>
+#include <mglpp/window/Event.hpp>
+#include <mglpp/system/FloatRect.hpp>
+
+namespace gsr {
+    static const float padding_top = 10.0f;
+    static const float padding_bottom = 10.0f;
+    static const float padding_left = 10.0f;
+    static const float padding_right = 10.0f;
+    static const int border_size = 5;
+
+    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)
+    {
+        if(icon_texture && icon_texture->is_valid()) {
+            icon_sprite.set_texture(icon_texture);
+            icon_sprite.set_height((int)(size.y * 0.5f));
+        }
+        this->description.set_color(mgl::Color(150, 150, 150));
+    }
+
+    bool DropdownButton::on_event(mgl::Event &event, mgl::Window&) {
+        if(event.type == mgl::Event::MouseMoved) {
+            const mgl::vec2f collision_margin(1.0f, 1.0f); // Makes sure that multiple buttons that are next to each other wont activate at the same time when the cursor is right between them
+            const bool inside = mgl::FloatRect(position + collision_margin, size - collision_margin).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y });
+            if(mouse_inside && !inside) {
+                mouse_inside = false;
+            } else if(!mouse_inside && inside) {
+                mouse_inside = true;
+            }
+        } else if(event.type == mgl::Event::MouseButtonPressed) {
+            const bool clicked_inside = mouse_inside;
+            show_dropdown = clicked_inside;
+            if(on_click && mouse_inside_item >= 0 && mouse_inside_item < (int)items.size())
+                on_click(items[mouse_inside_item].id);
+        }
+        return true;
+    }
+
+    void DropdownButton::draw(mgl::Window &window) {
+        update_if_dirty();
+
+        if(show_dropdown) {
+            // Background
+            {
+                mgl::Rectangle rect(size);
+                rect.set_position(position);
+                rect.set_color(mgl::Color(0, 0, 0, 255));
+                window.draw(rect);
+            }
+
+            const mgl::Color border_color = gsr::get_theme().tint_color;
+
+            // Green line at top
+            {
+                mgl::Rectangle rect({ size.x, border_size });
+                rect.set_position(position);
+                rect.set_color(border_color);
+                window.draw(rect);
+            }
+        } else if(mouse_inside) {
+            // Background
+            {
+                mgl::Rectangle rect(size);
+                rect.set_position(position);
+                rect.set_color(mgl::Color(0, 0, 0, 255));
+                window.draw(rect);
+            }
+
+            const mgl::Color border_color = gsr::get_theme().tint_color;
+            draw_rectangle_outline(window, position, size, border_color, border_size);
+        } else {
+            // Background
+            mgl::Rectangle rect(size);
+            rect.set_position(position);
+            rect.set_color(mgl::Color(0, 0, 0, 220));
+            window.draw(rect);
+        }
+
+        const int text_margin = size.y * 0.085;
+
+        const auto title_bounds = title.get_bounds();
+        title.set_position((position + mgl::vec2f(size.x * 0.5f - title_bounds.size.x * 0.5f, text_margin)).floor());
+        window.draw(title);
+
+        const auto description_bounds = description.get_bounds();
+        description.set_position((position + mgl::vec2f(size.x * 0.5f - description_bounds.size.x * 0.5f, size.y - description_bounds.size.y - text_margin)).floor());
+        window.draw(description);
+
+        if(icon_sprite.get_texture()->is_valid()) {
+            icon_sprite.set_position((position + size * 0.5f - icon_sprite.get_size() * 0.5f).floor());
+            window.draw(icon_sprite);
+        }
+
+        mouse_inside_item = -1;
+        if(show_dropdown) {
+            const mgl::vec2i mouse_pos = window.get_mouse_position();
+
+            mgl::Rectangle dropdown_bg(max_size);
+            dropdown_bg.set_position(position + mgl::vec2f(0.0f, size.y));
+            dropdown_bg.set_color(mgl::Color(0, 0, 0));
+            window.draw(dropdown_bg);
+
+            mgl::vec2f item_position = dropdown_bg.get_position();
+            for(size_t i = 0; i < items.size(); ++i) {
+                auto &item = items[i];
+                const auto text_bounds = item.text.get_bounds();
+                const float item_height = padding_top + text_bounds.size.y + padding_bottom;
+
+                if(mouse_inside_item == -1) {
+                    const mgl::vec2f item_size(max_size.x, item_height);
+                    const bool inside = mgl::FloatRect(item_position, item_size).contains({ (float)mouse_pos.x, (float)mouse_pos.y });
+                    if(inside) {
+                        draw_rectangle_outline(window, item_position, item_size, gsr::get_theme().tint_color, 5);
+                        mouse_inside_item = i;
+                    }
+                }
+
+                item.text.set_position((item_position + mgl::vec2f(padding_left, item_height * 0.5f - text_bounds.size.y * 0.5f)).floor());
+                window.draw(item.text);
+                item_position.y += item_height;
+            }
+        }
+    }
+
+    void DropdownButton::add_item(const std::string &text, const std::string &id) {
+        items.push_back({mgl::Text(text, *title_font), id});
+        dirty = true;
+    }
+
+    void DropdownButton::set_item_label(const std::string &id, const std::string &new_label) {
+        for(auto &item : items) {
+            if(item.id == id) {
+                item.text.set_string(new_label);
+                dirty = true;
+                return;
+            }
+        }
+    }
+
+    void DropdownButton::set_activated(bool activated) {
+        if(this->activated == activated)
+            return;
+
+        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));
+        }
+    }
+
+    void DropdownButton::update_if_dirty() {
+        if(!dirty)
+            return;
+
+        max_size = { size.x, 0.0f };
+        for(Item &item : items) {
+            const mgl::vec2f bounds = item.text.get_bounds().size;
+            max_size.x = std::max(max_size.x, bounds.x + padding_left + padding_right);
+            max_size.y += bounds.y + padding_top + padding_bottom;
+        }
+        dirty = false;
+    }
+
+    mgl::vec2f DropdownButton::get_size() {
+        update_if_dirty();
+        return size;
+    }
+}

src/gui/Utils.cpp

@@ -0,0 +1,43 @@
+#include "../../include/gui/Utils.hpp"
+#include <mglpp/window/Window.hpp>
+#include <mglpp/graphics/Rectangle.hpp>
+
+namespace gsr {
+    // TODO: Use vertices to make it one draw call
+    void draw_rectangle_outline(mgl::Window &window, mgl::vec2f pos, mgl::vec2f size, mgl::Color color, float border_size) {
+        pos = pos.floor();
+        size = size.floor();
+        border_size = (int)border_size;
+        // Green line at top
+        {
+            mgl::Rectangle rect({ size.x, border_size });
+            rect.set_position(pos);
+            rect.set_color(color);
+            window.draw(rect);
+        }
+
+        // Green line at bottom
+        {
+            mgl::Rectangle rect({ size.x, border_size });
+            rect.set_position(pos + mgl::vec2f(0.0f, size.y - border_size));
+            rect.set_color(color);
+            window.draw(rect);
+        }
+
+        // Green line at left
+        {
+            mgl::Rectangle rect({ border_size, size.y - border_size * 2 });
+            rect.set_position(pos + mgl::vec2f(0, border_size));
+            rect.set_color(color);
+            window.draw(rect);
+        }
+
+        // Green line at right
+        {
+            mgl::Rectangle rect({ border_size, size.y - border_size * 2 });
+            rect.set_position(pos + mgl::vec2f(size.x - border_size, border_size));
+            rect.set_color(color);
+            window.draw(rect);
+        }
+    }
+}

src/gui/WidgetContainer.cpp

@@ -42,10 +42,11 @@ namespace gsr {
             Widget *widget = *it;
             if(widget->move_to_top) {
                 widget->move_to_top = false;
-                if(widgets.back() != widget) {
+                std::swap(*it, widgets.back());
+                /*if(widgets.back() != widget) {
                     widgets.erase(it);
                     widgets.push_back(widget);
-                }
+                }*/
             }
         }
 

src/main.cpp

@@ -1,8 +1,10 @@
 
 #include "../include/gui/WidgetContainer.hpp"
-#include "../include/gui/Button.hpp"
+#include "../include/gui/DropdownButton.hpp"
 #include "../include/gui/ComboBox.hpp"
 #include "../include/Process.hpp"
+#include "../include/Theme.hpp"
+#include "../include/GsrInfo.hpp"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -138,6 +140,15 @@ int main(int argc, char **argv) {
 
     signal(SIGINT, sigint_handler);
 
+    gsr::GsrInfo gsr_info;
+    // TODO:
+    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");
+        exit(1);
+    }
+    gsr::init_theme(gsr_info);
+
     std::string program_root_dir = dirname(argv[0]);
     if(!program_root_dir.empty() && program_root_dir.back() != '/')
         program_root_dir += '/';
@@ -225,10 +236,7 @@ int main(int argc, char **argv) {
     bg_screenshot_overlay.set_color(bg_color);
 
     struct MainButton {
-        mgl::Text title;
-        mgl::Text description;
-        mgl::Sprite icon;
-        std::unique_ptr<gsr::Button> button;
+        std::unique_ptr<gsr::DropdownButton> button;
         gsr::GsrMode mode;
     };
 
@@ -256,26 +264,17 @@ int main(int argc, char **argv) {
         &stream_button_texture
     };
 
-    const int button_height = window_create_params.size.y / 6.0f;
+    const int button_height = window_create_params.size.y / 5.0f;
     const int button_width = button_height;
 
     std::vector<MainButton> main_buttons;
 
     for(int i = 0; i < 3; ++i) {
-        mgl::Text title(titles[i], {0.0f, 0.0f}, title_font);
-        title.set_color(mgl::Color(255, 255, 255));
-
-        mgl::Text description(descriptions_off[i], {0.0f, 0.0f}, font);
-        description.set_color(mgl::Color(150, 150, 150));
-
-        mgl::Sprite sprite(textures[i]);
-        sprite.set_height(button_height * 0.5f);
-        auto button = std::make_unique<gsr::Button>(mgl::vec2f(button_width, button_height));
+        auto button = std::make_unique<gsr::DropdownButton>(&title_font, &font, titles[i], descriptions_on[i], descriptions_off[i], textures[i], mgl::vec2f(button_width, button_height));
+        button->add_item("Start", "start");
+        button->add_item("Settings", "settings");
 
         MainButton main_button = {
-            std::move(title),
-            std::move(description),
-            std::move(sprite),
             std::move(button),
             gsr::GsrMode::Unknown
         };
@@ -285,7 +284,6 @@ int main(int argc, char **argv) {
 
     auto update_overlay_shape = [&](std::optional<gsr::GsrMode> gsr_mode = std::nullopt) {
         fprintf(stderr, "update overlay shape!\n");
-        const int main_button_margin = button_height * 0.085;// * get_config().scale;
         const int spacing = 0;// * get_config().scale;
         const int combined_spacing = spacing * std::max(0, (int)main_buttons.size() - 1);
 
@@ -303,37 +301,18 @@ int main(int argc, char **argv) {
 
         for(size_t i = 0; i < main_buttons.size(); ++i) {
             if(main_buttons[i].mode != gsr::GsrMode::Unknown && main_buttons[i].mode == gsr_mode.value()) {
-                main_buttons[i].description.set_string(descriptions_on[i]);
-                main_buttons[i].description.set_color(mgl::Color(118, 185, 0));
-                main_buttons[i].icon.set_color(mgl::Color(118, 185, 0));
+                main_buttons[i].button->set_activated(true);
             } else {
-                main_buttons[i].description.set_string(descriptions_off[i]);
-                main_buttons[i].description.set_color(mgl::Color(150, 150, 150));
-                main_buttons[i].icon.set_color(mgl::Color(255, 255, 255));
+                main_buttons[i].button->set_activated(false);
             }
 
-            main_buttons[i].title.set_position(
-                mgl::vec2f(
-                    main_button_pos.x + per_button_width * 0.5f - main_buttons[i].title.get_bounds().size.x * 0.5f,
-                    main_button_pos.y + main_button_margin).floor());
-
-            main_buttons[i].description.set_position(
-                mgl::vec2f(
-                    main_button_pos.x + per_button_width * 0.5f - main_buttons[i].description.get_bounds().size.x * 0.5f,
-                    main_button_pos.y + overlay_desired_size.y - main_buttons[i].description.get_bounds().size.y - main_button_margin).floor());
-
-            main_buttons[i].icon.set_position(
-                mgl::vec2f(
-                    main_button_pos.x + per_button_width * 0.5f - main_buttons[i].icon.get_texture()->get_size().x * main_buttons[i].icon.get_scale().x * 0.5f,
-                    main_button_pos.y + overlay_desired_size.y * 0.5f - main_buttons[i].icon.get_texture()->get_size().y * main_buttons[i].icon.get_scale().y * 0.5f).floor());
-
             main_buttons[i].button->set_position(main_button_pos.to_vec2f());
             main_button_pos.x += per_button_width + combined_spacing;
         }
     };
 
     // Replay
-    main_buttons[0].button->on_click = [&]() {
+    main_buttons[0].button->on_click = [&](const std::string &id) {
         /*
         char window_to_record_str[32];
         snprintf(window_to_record_str, sizeof(window_to_record_str), "%ld", target_window);
@@ -353,9 +332,12 @@ int main(int argc, char **argv) {
     // TODO: Monitor /tmp/gpu-screen-recorder and update ui to match state
 
     // Record
-    main_buttons[1].button->on_click = [&]() {
-        window.close();
-        usleep(1000 * 50); // 50 milliseconds
+    main_buttons[1].button->on_click = [&](const std::string &id) {
+        if(id != "start")
+            return;
+
+        // window.close();
+        // usleep(1000 * 50); // 50 milliseconds
 
         pid_t gpu_screen_recorder_process = -1;
         gsr::GsrMode gsr_mode = gsr::GsrMode::Unknown;
@@ -366,12 +348,13 @@ int main(int argc, char **argv) {
                 perror("waitpid failed");
                 /* Ignore... */
             }
-            window.set_visible(false);
-            window.close();
-            return;
-            //exit(0);
-            //update_overlay_shape(gsr::GsrMode::Unknown);
+            // window.set_visible(false);
+            // window.close();
             // return;
+            //exit(0);
+            update_overlay_shape(gsr::GsrMode::Unknown);
+            main_buttons[1].button->set_item_label(id, "Start");
+            return;
         }
 
         const char *args[] = {
@@ -382,10 +365,14 @@ int main(int argc, char **argv) {
             nullptr
         };
         gsr::exec_program_daemonized(args);
-        //update_overlay_shape(gsr::GsrMode::Record);
+        update_overlay_shape(gsr::GsrMode::Record);
+        main_buttons[1].button->set_item_label(id, "Stop");
         //exit(0);
-        window.set_visible(false);
-        window.close();
+        // window.set_visible(false);
+        // window.close();
+
+        // TODO: Show notification with args:
+        // "Recording has started" 3.0 ./images/record.png 76b900
     };
     main_buttons[1].mode = gsr::GsrMode::Record;
 
@@ -415,11 +402,11 @@ int main(int argc, char **argv) {
 
     //XGrabServer(display);
 
-    mgl::Rectangle top_bar_background(mgl::vec2f(window.get_size().x, window.get_size().y*0.05f).floor());
+    mgl::Rectangle top_bar_background(mgl::vec2f(window.get_size().x, window.get_size().y*0.06f).floor());
     top_bar_background.set_color(mgl::Color(0, 0, 0, 220));
 
     mgl::Text top_bar_text("GPU Screen Recorder", top_bar_font);
-    //top_bar_text.set_color(mgl::Color(118, 185, 0));
+    //top_bar_text.set_color(gsr::get_theme().tint_color);
     top_bar_text.set_position((top_bar_background.get_position() + top_bar_background.get_size()*0.5f - top_bar_text.get_bounds().size*0.5f).floor());
 
     // gsr::ComboBox record_area_box(&title_font);
@@ -458,7 +445,7 @@ int main(int argc, char **argv) {
     // framerate_title.set_position(mgl::vec2f(framerate_box.get_position().x, framerate_box.get_position().y - title_font.get_character_size() - 10.0f));
 
     mgl::Texture close_texture;
-    if(!close_texture.load_from_file("images/cross.png", {false, false, false}))
+    if(!close_texture.load_from_file("images/cross.png"))
         startup_error("failed to load texture: images/cross.png");
 
     mgl::Sprite close_sprite(&close_texture);
@@ -489,7 +476,7 @@ int main(int argc, char **argv) {
 
     const float settings_topline_thickness = 5.0f;
     mgl::Rectangle settings_topline(settings_background.get_position() - mgl::vec2f(0.0f, settings_topline_thickness), mgl::vec2f(settings_background.get_size().x, settings_topline_thickness));
-    settings_topline.set_color(mgl::Color(118, 185, 0));
+    settings_topline.set_color(gsr::get_theme().tint_color);
     */
 
     mgl::Clock state_update_timer;
@@ -517,11 +504,6 @@ int main(int argc, char **argv) {
         // window.draw(video_quality_title);
         // window.draw(framerate_title);
         widget_container.draw(window);
-        for(auto &main_button : main_buttons) {
-            window.draw(main_button.icon);
-            window.draw(main_button.title);
-            window.draw(main_button.description);
-        }
         window.draw(top_bar_background);
         window.draw(top_bar_text);
         window.draw(logo_sprite);