Changeset 71eff34 in mainline

Timestamp:

2020-04-07T18:24:05Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

ef30659

Parents:

1b443cc0

Message:

Avoid artifacts when resizing a window

Location:

uspace/srv/hid/display

Files:

• types/display/window.h (modified) (1 diff)
• window.c (modified) (3 diffs)

uspace/srv/hid/display/types/display/window.h

@@ -70 +70 @@
         /** Display position */
         gfx_coord2_t dpos;
-        /** Preview position */
+        /** Preview position (when moving) */
         gfx_coord2_t preview_pos;
+        /** Preview rectangle (when resizing) */
+        gfx_rect_t preview_rect;
         /** Minimum size */
         gfx_coord2_t min_size;

uspace/srv/hid/display/window.c

@@ -525 +525 @@
         wnd->state = dsw_resizing;
         wnd->rsztype = rsztype;
+        wnd->preview_rect = wnd->rect;
 }
 
@@ -574 +575 @@
                 return;
 
-        gfx_rect_translate(&wnd->dpos, &wnd->rect, &drect);
-
-        gc = ds_display_get_gc(wnd->display); // XXX
-        if (gc != NULL) {
-                gfx_set_color(gc, wnd->display->bg_color);
-                gfx_fill_rect(gc, &drect);
-        }
+        gfx_rect_translate(&wnd->dpos, &wnd->preview_rect, &drect);
+        (void) ds_display_paint(wnd->display, &drect);
 
         gfx_coord2_subtract(pos, &wnd->orig_pos, &dresize);
@@ -586 +582 @@
         ds_window_calc_resize(wnd, &dresize, &nrect);
         gfx_rect_translate(&wnd->dpos, &nrect, &drect);
+        wnd->preview_rect = nrect;
 
         rc = gfx_color_new_rgb_i16(0xffff, 0xffff, 0xffff, &color);