add debug ui btn support

code/game/source/debug_ui.c

@@ -63,6 +63,7 @@ void UIDrawText(const char *text, float posX, float posY, int fontSize, Color co
 int UIMeasureText(const char *text, int fontSize);
 
 #include "debug_ui_widgets.c"
+#include "debug_ui_actions.c"
 
 static debug_item items[] = {
     {
@@ -91,6 +92,11 @@ static debug_item items[] = {
             //.is_collapsed = 1
         }
     },
+    {
+        .kind = DITEM_BUTTON,
+        .name = "exit game",
+        .on_click = ActExitGame,
+    },
     {.kind = DITEM_END},
 };
 
@@ -134,6 +140,21 @@ debug_draw_result debug_draw_list(debug_item *list, float xpos, float ypos, bool
                 ypos = res.y;
             }break;
             
+            case DITEM_BUTTON: {
+                assert(it->on_click);
+                char const *text = TextFormat("> %s", it->name);
+                if (it->name_width == 0) {
+                    it->name_width = UIMeasureText(text, DBG_FONT_SIZE);
+                }
+                Color color = RAYWHITE;
+                if (is_btn_pressed(xpos, ypos, it->name_width, DBG_FONT_SIZE, &color)) {
+                    it->on_click();
+                }
+                
+                debug_draw_result res = DrawColoredText(xpos, ypos, text, color);
+                ypos = res.y;
+            }break;
+            
             default: {
                 
             }break;

code/game/source/debug_ui_actions.c

@@ -0,0 +1,7 @@
+#include "debug_ui.h"
+#include "raylib.h"
+
+static inline void
+ActExitGame(void) {
+    CloseWindow();
+}

code/game/source/debug_ui_widgets.c

@@ -19,6 +19,13 @@ DrawFormattedText(float xpos, float ypos, char const *text) {
     return (debug_draw_result){.x = xpos + UIMeasureText(text, DBG_FONT_SIZE), .y = ypos + DBG_FONT_SPACING};
 }
 
+static inline debug_draw_result 
+DrawColoredText(float xpos, float ypos, char const *text, Color color) {
+    assert(text);
+    UIDrawText(text, xpos, ypos, DBG_FONT_SIZE, color);
+    return (debug_draw_result){.x = xpos + UIMeasureText(text, DBG_FONT_SIZE), .y = ypos + DBG_FONT_SPACING};
+}
+
 //~ NOTE(zaklaus): widgets
 
 static inline debug_draw_result