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call SyncUpdateDC after handle use input events

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This commit is contained in:
Vincent Wei
2020-02-03 16:06:10 +08:00
parent ed9ce0b065
commit e4bb441f1d
1 changed files with 21 additions and 2 deletions
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src/gui/menu.c
+21 -2
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@@ -2201,8 +2201,10 @@ static int create_memdc_for_menu (TRACKMENUINFO* ptmi)
static void delete_memdc_for_menu (TRACKMENUINFO* ptmi)
{
if (ptmi->dc != HDC_INVALID)
if (ptmi->dc != HDC_INVALID) {
DeleteMemDC (ptmi->dc);
ptmi->dc = HDC_INVALID;
}
}
static inline int save_box_under_menu (TRACKMENUINFO* ptmi) { return 0; }
@@ -4083,6 +4085,7 @@ static int mnuTrackMenuOnButtonUp (PTRACKMENUINFO ptmi,
int PopupMenuTrackProc (PTRACKMENUINFO ptmi,
int message, WPARAM wParam, LPARAM lParam)
{
int ret_value;
switch (message) {
case MSG_INITMENU:
mnuGetPopupMenuExtent (ptmi);
@@ -4092,7 +4095,11 @@ int PopupMenuTrackProc (PTRACKMENUINFO ptmi,
case MSG_SHOWMENU:
if (GetCurrentCursor() != GetSystemCursor(IDC_ARROW))
SetCursor(GetSystemCursor(IDC_ARROW));
return mnuShowPopupMenu (ptmi);
ret_value = mnuShowPopupMenu (ptmi);
/* Since 4.2.0 */
if (ptmi->dc != HDC_INVALID)
SyncUpdateDC (ptmi->dc);
return ret_value;
break;
case MSG_HIDEMENU:
@@ -4117,20 +4124,32 @@ int PopupMenuTrackProc (PTRACKMENUINFO ptmi,
if (mnuTrackMenuOnButtonDown (ptmi,
message, (int)wParam, (int)lParam) < 0)
return 1;
/* Since 4.2.0 */
if (ptmi->dc != HDC_INVALID)
SyncUpdateDC (ptmi->dc);
break;
case MSG_LBUTTONUP:
case MSG_RBUTTONUP:
mnuTrackMenuOnButtonUp (ptmi, message, (int)wParam, (int)lParam);
/* Since 4.2.0 */
if (ptmi->dc != HDC_INVALID)
SyncUpdateDC (ptmi->dc);
return 1;
case MSG_MOUSEMOVE:
mnu_scroll_menu(ptmi, (int)wParam, (int)lParam);
/* Since 4.2.0 */
if (ptmi->dc != HDC_INVALID)
SyncUpdateDC (ptmi->dc);
break;
case MSG_KEYDOWN:
case MSG_KEYUP:
mnuTrackMenuWithKey (ptmi, message, (int)wParam, (DWORD)lParam);
/* Since 4.2.0 */
if (ptmi->dc != HDC_INVALID)
SyncUpdateDC (ptmi->dc);
break;
default: