Very simple GUI stub

2025-07-09 06:19:16 +00:00 · 2022-12-26 08:41:01 +02:00
parent c0a3d3dd24
commit dec78acc19
5 changed files with 1039 additions and 0 deletions
--- a/include/gui.hpp
+++ b/include/gui.hpp
@ -0,0 +1,202 @@
+#ifndef __FENNIX_KERNEL_GUI_H__
+#define __FENNIX_KERNEL_GUI_H__
+
+#include <types.h>
+#include <memory.hpp>
+#include <vector.hpp>
+
+namespace GraphicalUserInterface
+{
+    typedef uintptr_t Handle;
+
+    struct MouseData
+    {
+        uint32_t X;
+        uint32_t Y;
+        uint32_t Z;
+        bool Left;
+        bool Right;
+        bool Middle;
+    };
+
+    enum CursorType
+    {
+        Visible = 0,
+        Hidden,
+        Arrow,
+        Hand,
+        Wait,
+        IBeam,
+        ResizeHorizontal,
+        ResizeVertical,
+        ResizeDiagonalLeft,
+        ResizeDiagonalRight,
+        ResizeAll,
+        Cross,
+        Help,
+        No,
+        AppStarting,
+    };
+
+    enum EventType
+    {
+        MouseEvent,
+        KeyboardEvent,
+        FocusEvent,
+        WidgetEvent
+    };
+
+    struct Event
+    {
+        EventType Type;
+        Handle Source;
+        Handle Target;
+        MouseData Mouse;
+        MouseData LastMouse;
+
+        struct
+        {
+            bool MouseMove;
+            bool MouseClick;
+            bool MouseDoubleClick;
+            bool MouseDown;
+            bool MouseUp;
+            bool MouseWheel;
+            bool MouseEnter;
+            bool MouseLeave;
+            bool MouseHover;
+            bool MouseDrag;
+            bool MouseDragStart;
+            bool MouseDragEnd;
+            bool MouseDragEnter;
+            bool MouseDragLeave;
+            bool MouseDragHover;
+            bool MouseDragDrop;
+            bool MouseDragDropEnter;
+            bool MouseDragDropLeave;
+            bool MouseDragDropHover;
+            bool MouseDragDropEnd;
+            bool MouseDragDropStart;
+            bool MouseDragDropCancel;
+            bool MouseDragDropComplete;
+            bool MouseDragDropAbort;
+        } MouseEventData;
+
+        struct
+        {
+            bool KeyDown;
+            bool KeyUp;
+            bool KeyPress;
+        } KeyboardEventData;
+
+        struct
+        {
+            bool FocusEnter;
+            bool FocusLeave;
+            bool FocusHover;
+        } FocusEventData;
+
+        struct
+        {
+            bool Resize;
+            bool Move;
+            bool Show;
+            bool Hide;
+            bool Close;
+            bool Destroy;
+            bool Paint;
+            bool PaintBackground;
+            bool PaintForeground;
+            bool PaintBorder;
+            bool PaintShadow;
+            bool PaintOverlay;
+            bool PaintAll;
+            bool PaintChildren;
+            bool PaintChildrenBackground;
+            bool PaintChildrenForeground;
+            bool PaintChildrenBorder;
+            bool PaintChildrenShadow;
+            bool PaintChildrenOverlay;
+            bool PaintChildrenAll;
+        } WidgetEventData;
+    };
+
+    void PutRect(uint32_t X, uint32_t Y, uint32_t Width, uint32_t Height, uint32_t Color);
+    void PutBorder(uint32_t X, uint32_t Y, uint32_t Width, uint32_t Height, uint32_t Color);
+    void PutBorderWithShadow(uint32_t X, uint32_t Y, uint32_t Width, uint32_t Height, uint32_t Color);
+
+    class Widget
+    {
+    private:
+        Memory::MemMgr *mem;
+
+    public:
+        void Paint();
+        Handle CreatePanel(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateButton(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateLabel(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateTextBox(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateCheckBox(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateRadioButton(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateComboBox(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateListBox(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateProgressBar(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        Handle CreateContextMenu(uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Text);
+        void HandleEvent(Event *e);
+        Widget(void /* Window */ *ParentWindow);
+        ~Widget();
+    };
+
+    class Window
+    {
+    private:
+        Memory::MemMgr *mem;
+        void *ParentGUI;
+        long Left, Top, Width, Height;
+        long Last_Left, Last_Top, Last_Width, Last_Height;
+        char Title[256];
+        Vector<Widget *> Widgets;
+        bool Maximized;
+        bool Minimized;
+
+        bool CloseButtonFocused;
+        bool MaximizeButtonFocused;
+        bool MinimizeButtonFocused;
+        bool WindowDragging;
+
+    public:
+        void Close();
+        void Maximize();
+        void Minimize();
+        void HandleEvent(Event *e);
+        void Paint();
+        void AddWidget(Widget *widget);
+        Window(void *ParentGUI, uint32_t Left, uint32_t Top, uint32_t Width, uint32_t Height, const char *Title);
+        ~Window();
+    };
+
+    class GUI
+    {
+    private:
+        MouseData Mouse;
+        MouseData LastMouse;
+        Memory::MemMgr *mem;
+        Vector<Window *> Windows;
+        bool IsRunning;
+        CursorType Cursor = CursorType::Arrow;
+        bool CursorVisible = true;
+
+        void PaintDesktop();
+        void PaintWindows();
+        void PaintCursor();
+
+    public:
+        void SetCursorType(CursorType Type = CursorType::Visible) { this->Cursor = Type; }
+        void Loop();
+        void AddWindow(Window *window);
+        GUI();
+        ~GUI();
+    };
+}
+
+#endif // !__FENNIX_KERNEL_GUI_H__