src/kernel --> src/

src/userland/libc/libui.h

@@ -0,0 +1,71 @@
+#ifndef LIBUI_H
+#define LIBUI_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// GUI Command IDs
+#define GUI_CMD_WINDOW_CREATE 1
+#define GUI_CMD_DRAW_RECT     2
+#define GUI_CMD_DRAW_STRING   3
+#define GUI_CMD_MARK_DIRTY    4
+#define GUI_CMD_GET_EVENT     5
+#define GUI_CMD_DRAW_ROUNDED_RECT_FILLED 6
+#define GUI_CMD_DRAW_IMAGE    7
+#define GUI_CMD_GET_STRING_WIDTH 8
+#define GUI_CMD_GET_FONT_HEIGHT  9
+#define GUI_CMD_WINDOW_SET_RESIZABLE 14
+#define GUI_CMD_DRAW_STRING_BITMAP 10
+#define GUI_CMD_DRAW_STRING_SCALED 11
+#define GUI_CMD_GET_STRING_WIDTH_SCALED 12
+#define GUI_CMD_GET_FONT_HEIGHT_SCALED 13
+#define GUI_CMD_WINDOW_SET_TITLE 15
+#define GUI_CMD_SET_FONT         16
+
+// Event Types
+#define GUI_EVENT_NONE        0
+#define GUI_EVENT_PAINT       1
+#define GUI_EVENT_CLICK       2
+#define GUI_EVENT_RIGHT_CLICK 3
+#define GUI_EVENT_CLOSE       4
+#define GUI_EVENT_KEY         5
+#define GUI_EVENT_KEYUP       10
+
+#define GUI_EVENT_MOUSE_DOWN  6
+#define GUI_EVENT_MOUSE_UP    7
+#define GUI_EVENT_MOUSE_MOVE  8
+#define GUI_EVENT_MOUSE_WHEEL 9
+#define GUI_EVENT_RESIZE      11
+
+typedef struct {
+    int type;
+    int arg1; // For click: x
+    int arg2; // For click: y
+    int arg3; // For click: button state
+} gui_event_t;
+
+// Window Handle
+typedef uint64_t ui_window_t;
+
+// libui API
+ui_window_t ui_window_create(const char *title, int x, int y, int w, int h);
+bool ui_get_event(ui_window_t win, gui_event_t *ev);
+
+void ui_draw_rect(ui_window_t win, int x, int y, int w, int h, uint32_t color);
+void ui_draw_rounded_rect_filled(ui_window_t win, int x, int y, int w, int h, int radius, uint32_t color);
+void ui_draw_string(ui_window_t win, int x, int y, const char *str, uint32_t color);
+void ui_mark_dirty(ui_window_t win, int x, int y, int w, int h);
+void ui_draw_image(ui_window_t win, int x, int y, int w, int h, uint32_t *image_data);
+uint32_t ui_get_string_width(const char *str);
+uint32_t ui_get_font_height(void);
+void ui_get_screen_size(uint64_t *out_w, uint64_t *out_h);
+void ui_draw_string_bitmap(ui_window_t win, int x, int y, const char *str, uint32_t color);
+
+void ui_draw_string_scaled(ui_window_t win, int x, int y, const char *str, uint32_t color, float scale);
+uint32_t ui_get_string_width_scaled(const char *str, float scale);
+uint32_t ui_get_font_height_scaled(float scale);
+void ui_window_set_title(ui_window_t win, const char *title);
+void ui_window_set_resizable(ui_window_t win, bool resizable);
+void ui_set_font(ui_window_t win, const char *path);
+
+#endif