test/awtk
1
0
Fork 0
mirror of https://gitee.com/zlgopen/awtk.git synced 2024-12-03 20:48:02 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

optimized list view paint

Browse Source
This commit is contained in:
xianjimli 2020-04-07 08:05:28 +08:00
parent e215dad018
commit 6c5b9aecd0
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/ext_widgets/scroll_view/list_view.c
View File

@ -21,6 +21,7 @@
#include "tkc/mem.h"
#include "tkc/utils.h"
#include "tkc/time_now.h"
#include "base/layout.h"
#include "scroll_view/list_view.h"
#include "scroll_view/scroll_bar.h"
@ -230,6 +231,9 @@ static ret_t list_view_on_scroll_view_paint_children(widget_t* widget, canvas_t*
int32_t top = 0;
int32_t bottom = 0;
int32_t right = 0;
int32_t max_w = canvas_get_width(c);
int32_t max_h = canvas_get_height(c);
WIDGET_FOR_EACH_CHILD_BEGIN(widget, iter, i)
if (!iter->visible) {
@ -242,6 +246,15 @@ static ret_t list_view_on_scroll_view_paint_children(widget_t* widget, canvas_t*
bottom = top + iter->h;
right = left + iter->w;
if (top > max_h || left > max_w) {
break;
}
if (bottom < 0 || right < 0) {
iter->dirty = FALSE;
continue;
}
if (left > c->clip_right || right < c->clip_left || top > c->clip_bottom ||
bottom < c->clip_top) {
iter->dirty = FALSE;