Changeset 25f26600 in mainline for uspace/lib/ui/src/window.c

Timestamp:

2020-12-07T23:44:20Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

13d20e5, 4db4718d, e9c1639

Parents:

7e38970d

Message:

Resize application GC when resizing window (and app GC is being used)

File:

• uspace/lib/ui/src/window.c (modified) (3 diffs)

uspace/lib/ui/src/window.c

@@ -292 +292 @@
         gfx_coord2_t offs;
         gfx_rect_t nrect;
+        gfx_rect_t arect;
+        gfx_bitmap_t *app_bmp = NULL;
+        gfx_bitmap_params_t params;
+        gfx_bitmap_alloc_t alloc;
         errno_t rc;
 
@@ -301 +305 @@
         gfx_rect_rtranslate(&offs, rect, &nrect);
 
+        if (window->app_gc != NULL) {
+                assert(window->app_bmp != NULL);
+
+                gfx_bitmap_params_init(&params);
+
+                /*
+                 * The bitmap will have the same dimensions as the
+                 * application rectangle, but start at 0,0.
+                 */
+                ui_wdecor_app_from_rect(window->wdecor->style, &nrect, &arect);
+                gfx_rect_rtranslate(&arect.p0, &arect, &params.rect);
+
+                rc = gfx_bitmap_create(window->gc, &params, NULL,
+                    &app_bmp);
+                if (rc != EOK)
+                        goto error;
+
+                rc = gfx_bitmap_get_alloc(app_bmp, &alloc);
+                if (rc != EOK)
+                        goto error;
+        }
+
         /* dwindow can be NULL in case of unit tests */
         if (window->dwindow != NULL) {
                 rc = display_window_resize(window->dwindow, &offs, &nrect);
                 if (rc != EOK)
-                        return rc;
+                        goto error;
         }
 
         ui_wdecor_set_rect(window->wdecor, &nrect);
         ui_wdecor_paint(window->wdecor);
+
+        if (window->app_gc != NULL) {
+                mem_gc_retarget(window->app_mgc, &params.rect, &alloc);
+
+                gfx_bitmap_destroy(window->app_bmp);
+                window->app_bmp = app_bmp;
+        }
+
         return EOK;
+error:
+        if (app_bmp != NULL)
+                gfx_bitmap_destroy(app_bmp);
+        return rc;
 }
 
@@ -389 +427 @@
                 }
 
+                window->app_mgc = memgc;
                 window->app_gc = mem_gc_get_ctx(memgc);
         }