desktop code refactoring

Signed-off-by: Peter Siegmund <developer@mars3142.org>

src/ui/Device.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <functional>
+#include <memory>
+#include <vector>
+
+#include "UIWidget.h"
+#include "model/AppContext.h"
+#include "common/Widget.h"
+
+class Device final : public UIWidget {
+public:
+    explicit Device(void* appstate);
+
+    void render() const override;
+
+    void hit_test(SDL_MouseMotionEvent* event) const;
+
+    void onButtonClicked(uint8_t button) const;
+
+private:
+    void draw_background() const;
+
+    void draw_screen() const;
+
+    void draw_text() const;
+
+    void render_u8g2() const;
+
+    void setScreen(const std::shared_ptr<Widget>& screen);
+
+    void pushScreen(const std::shared_ptr<Widget>& screen);
+
+    void popScreen();
+
+    static void pushKey(SDL_Keycode key);
+
+    std::vector<std::shared_ptr<UIWidget>> m_children{};
+
+    std::shared_ptr<Widget> widget;
+    std::vector<std::shared_ptr<Widget>> history;
+};

src/ui/Matrix.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "model/Window.h"
+
+class Matrix {
+public:
+    explicit Matrix(Window* window);
+
+    [[nodiscard]] Window* window() const;
+
+    void render() const;
+
+private:
+    void draw_colored_grid(int rows, int cols, float cellSize, float spacing) const;
+
+    Window* m_window;
+};

src/ui/UIWidget.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "model/AppContext.h"
+
+class UIWidget {
+public:
+    explicit UIWidget(void *appstate);
+
+    virtual ~UIWidget();
+
+    virtual void render() const = 0;
+
+    [[nodiscard]] AppContext *get_context() const;
+
+private:
+    AppContext *m_context{};
+};

src/ui/widgets/Button.cpp

@@ -21,8 +21,10 @@ Button::Button(
 }
 
 void Button::render() const {
-    const auto button = ResourceManager::getInstance().get_texture(get_context()->renderer(), "assets/button_normal.png");
-    const auto overlay =ResourceManager::getInstance().get_texture(get_context()->renderer(), "assets/button_pressed_overlay.png");
+    const auto button = ResourceManager::getInstance().get_texture(
+        get_context()->renderer(), "assets/button_normal.png");
+    const auto overlay = ResourceManager::getInstance().get_texture(
+        get_context()->renderer(), "assets/button_pressed_overlay.png");
 
     const auto dst = SDL_FRect(m_x, m_y, m_width, m_width);
     SDL_RenderTexture(get_context()->renderer(), button, nullptr, &dst);

src/ui/widgets/Button.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "ui/UIWidget.h"
+
+#include <functional>
+
+#define BUTTON_WIDTH (35)
+
+class Button final : public UIWidget {
+public:
+    Button(void* appState, float x, float y, float width, std::function<void()> callback);
+
+    void render() const override;
+
+private:
+    float m_x;
+    float m_y;
+    float m_width;
+    std::function<void()> m_callback;
+};

src/ui/widgets/D_Pad.cpp

@@ -1,6 +1,6 @@
 #include "ui/widgets/D_Pad.h"
 
-#include <ResourceManager.h>
+#include "ResourceManager.h"
 
 D_Pad::D_Pad(
     void* appState,

src/ui/widgets/D_Pad.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "functional"
+#include "ui/UIWidget.h"
+
+#define DPAD_WIDTH (105)
+
+class D_Pad final : public UIWidget {
+public:
+    D_Pad(void* appState, float x, float y, float width, std::function<void(int)> callback);
+
+    void render() const override;
+
+private:
+    float m_x;
+    float m_y;
+    float m_width;
+    std::function<void(int)> m_callback;
+};