clip all ui elements

1 files changed, 31 insertions, 43 deletions

diff --git a/teensy/teensy_ui.c b/teensy/teensy_ui.c
index 27af0cf..32e4ca5 100644
--- a/teensy/teensy_ui.c
+++ b/teensy/teensy_ui.c
@@ -21,7 +21,7 @@
 enum {
     CMD_RECT,
     CMD_TEXT,
-    CMD_TARGET,
+    CMD_CLIP,
     CMD_IMAGE,
 };
 typedef uint8_t Cmd_Kind;
@@ -47,7 +47,6 @@ typedef struct {
 typedef struct {
     const char *title;
     ty_Recti rect;
-    ty_Image content;
     uint32_t flags;
 
     Layout layout_stack[MAX_LAYOUTS];
@@ -123,19 +122,25 @@ void image_cmd(ty_Image img, ty_Recti rect)
 }
 
 static
-void target_cmd(ty_Image target)
+void clip_cmd(ty_Recti rect)
 {
     Cmd cmd = {};
-    cmd.kind = CMD_TARGET;
-    cmd.img = target;
+    cmd.kind = CMD_CLIP;
+    if (rect.w < 0 || rect.h < 0)
+        rect = window()->rect; // This is a full screen clip
+
+    cmd.rect = ty_recti_clamp(rect, window()->rect);
     ty_list_append(uictx.cmds, cmd);
 }
 
 static
 void draw_frame(ty_Recti rect, ty_Color bg_col)
 {
+    clip_cmd(TY_CLIP_NONE);
     rect_cmd(rect, uictx.style.frame);
-    rect_cmd(ty_recti_shrink(rect, uictx.style.frame_size), bg_col);
+    ty_Recti content_rect = ty_recti_shrink(rect, uictx.style.frame_size);
+    rect_cmd(content_rect, bg_col);
+    clip_cmd(content_rect);
 }
 
 static
@@ -186,6 +191,9 @@ ty_Recti next_rect(int height)
         y += outer->total_height;
     }
 
+    x += window()->rect.x;
+    y += window()->rect.y;
+
     advance_layout();
 
     return ty_recti(x, y, width, height);
@@ -202,18 +210,9 @@ ty_Vec2i mouse_delta(void)
 }
 
 static
-ty_Vec2i mouse_pos(void)
-{
-    ty_Vec2i mouse_pos = ty_mouse_pos();
-    mouse_pos.x -= window()->rect.x;
-    mouse_pos.y -= window()->rect.y;
-    return mouse_pos;
-}
-
-static
 bool is_hovered(ty_Recti rect)
 {
-    return ty_pointi_in_recti(mouse_pos(), rect);
+    return ty_pointi_in_recti(ty_mouse_pos(), rect);
 }
 
 static
@@ -223,7 +222,6 @@ Window create_window(const char *title, ty_Recti rect, uint32_t flags)
     win.title = title;
     win.rect = rect;
     win.flags = flags;
-    win.content = ty_create_image(rect.w, rect.h, NULL);
     return win;
 }
 
@@ -255,11 +253,6 @@ void tyui_init(const ty_Font *font)
 void tyui_deinit(void)
 {
     ty_list_free(uictx.cmds);
-
-    ty_free_image(uictx.root.content);
-    for (int i = 0; i < uictx.window_count; i++) {
-        ty_free_image(uictx.windows[i].content);
-    }
 }
 
 void tyui_push_layout(const float *column_widths)
@@ -327,12 +320,8 @@ void tyui_draw(void)
         case CMD_IMAGE:
             ty_draw_image(cmd.img, ty_recti_start(cmd.rect));
             break;
-        case CMD_TARGET:
-            // Add a draw rect property to the renderer, which allows me to
-            // define a rect that anything drawn will be clipped by.
-
-            ty_draw_set_target(cmd.img.data ? &cmd.img : NULL);
-            if (cmd.img.data != NULL) ty_draw_clear(TY_COLOR_MAGENTA);
+        case CMD_CLIP:
+            ty_draw_set_clip(cmd.rect);
             break;
         }
     }
@@ -397,12 +386,6 @@ bool tyui_begin_window_ex(
     if (ty_button_down(TY_BTN_DB_LMB) && hovering_resizer) {
         win->rect.w += md.x;
         win->rect.h += md.y;
-        ty_free_image(win->content);
-        win->content = ty_create_image(
-            win->rect.w,
-            win->rect.h + title_rect.h,
-            NULL
-        );
     }
 
     // Grabbing title bar?
@@ -418,20 +401,26 @@ bool tyui_begin_window_ex(
         title_rect.h = title_bar_height();
     }
 
-    target_cmd(win->content);
+    clip_cmd(TY_CLIP_NONE);
 
-    title_rect = ty_recti(0, 0, win->rect.w, title_bar_height());
     rect_cmd(title_rect, uictx.style.win_title);
     text_cmd(win->title, title_rect, TYUI_ALIGN_LEFT);
 
     ty_Recti body_rect = win->rect;
-    body_rect.x = 0;
-    body_rect.y = title_bar_height();
+    body_rect.y += title_bar_height();
     rect_cmd(body_rect, uictx.style.win_bg);
 
     if (hovering_resizer) {
-        rect_cmd(ty_recti(win->rect.w-1, title_bar_height(), 1, win->rect.h), uictx.style.win_title);
-        rect_cmd(ty_recti(0, win->rect.h-1+title_bar_height(), win->rect.w, 1), uictx.style.win_title);
+        ty_Recti right_bar = ty_recti(
+            win->rect.x + win->rect.w - 1, 0,
+            1, win->rect.y + win->rect.h
+        );
+        rect_cmd(right_bar, uictx.style.win_title);
+        ty_Recti bot_bar = ty_recti(
+            0, win->rect.y + win->rect.h - 1,
+            win->rect.x + win->rect.w, 1
+        );
+        rect_cmd(bot_bar, uictx.style.win_title);
     }
 
     tyui_push_layout((float[]){-1, 0});
@@ -448,9 +437,7 @@ void tyui_end_window(void)
         return;
     }
 
-    target_cmd((ty_Image){});
-
-    image_cmd(window()->content, window()->rect);
+    clip_cmd(TY_CLIP_NONE);
 
     uictx.active = &uictx.root;
 }
@@ -464,6 +451,7 @@ void tyui_text_ex(tyui_Align align, const char *fmt, ...)
 
     ty_Recti rect = next_rect(TEXT_HEIGHT);
 
+    clip_cmd(rect);
     text_cmd(text, rect, align);
 }