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tune dskScrollMainWindow for compositing schema

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This commit is contained in:
Vincent Wei
2020-02-07 17:10:34 +08:00
parent 9c3c6481c7
commit 472e132844
1 changed files with 19 additions and 11 deletions
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src/kernel/desktop.c
+19 -11
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@@ -721,9 +721,12 @@ static int dskScrollMainWindow (PMAINWIN pWin, PSCROLLWINDOWINFO pswi)
HDC hdc;
RECT rcClient, rcScreen, rcInvalid;
BOOL inved = FALSE;
#ifdef _MGSCHEMA_COMPOSITING
CLIPRECT crcOne;
#endif
PCLIPRECT pcrc;
PINVRGN pInvRgn;
PCLIPRGN prgn;
PCLIPRGN prgn = NULL;
dskClientToScreen (pWin, pswi->rc1, &rcScreen);
@@ -731,12 +734,17 @@ static int dskScrollMainWindow (PMAINWIN pWin, PSCROLLWINDOWINFO pswi)
//client dc would be diffirent, so we must get the scondaryDC,
//the update to client dc (dongjunjie 2010/7/28)
//hdc = GetClientDC ((HWND)pWin);
hdc = get_valid_dc(pWin, TRUE);
hdc = get_valid_dc (pWin, TRUE);
#ifndef _MGSCHEMA_COMPOSITING
pcrc = kernel_GetGCRgnInfo ((HWND)pWin)->crgn.head;
#else
pcrc = NULL; // TODO
crcOne.next = crcOne.prev = NULL;
crcOne.rc.left = pWin->left;
crcOne.rc.top = pWin->top;
crcOne.rc.right = pWin->right;
crcOne.rc.bottom = pWin->bottom;
pcrc = &crcOne;
#endif
while (pcrc) {
RECT rcMove;
@@ -798,14 +806,14 @@ static int dskScrollMainWindow (PMAINWIN pWin, PSCROLLWINDOWINFO pswi)
#endif
}
prgn = CreateClipRgn();
#ifndef _MGSCHEMA_COMPOSITING
prgn = CreateClipRgn ();
lock_zi_for_read (__mg_zorder_info);
CopyRegion(prgn, &kernel_GetGCRgnInfo((HWND)pWin)->crgn);
CopyRegion (prgn, &kernel_GetGCRgnInfo((HWND)pWin)->crgn);
pcrc = prgn->head;
unlock_zi_for_read (__mg_zorder_info);
#else
pcrc = NULL; // TODO
pcrc = &crcOne;
#endif
while (pcrc) {
@@ -847,8 +855,7 @@ static int dskScrollMainWindow (PMAINWIN pWin, PSCROLLWINDOWINFO pswi)
* // - represent area need the Need invalidate
* see the to area must be invalidate
*/
if(bNeedInvalidate)
{
if (bNeedInvalidate) {
InvalidateRect ((HWND)pWin, &rcInvalid, TRUE);
rcInvalid = rcMove; //restore the invalidate area
bNeedInvalidate = FALSE; //resotre the inved value
@@ -864,15 +871,16 @@ static int dskScrollMainWindow (PMAINWIN pWin, PSCROLLWINDOWINFO pswi)
bNeedInvalidate = TRUE;
}
if (bNeedInvalidate)
{
if (bNeedInvalidate) {
InvalidateRect ((HWND)pWin, &rcInvalid, TRUE);
inved = TRUE;
}
pcrc = pcrc->next;
}
DestroyClipRgn(prgn);
if (prgn)
DestroyClipRgn (prgn);
if (inved) {
PostMessage ((HWND)pWin, MSG_PAINT, 0, 0);