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[MSGINA] Redraw only the animation bar scroll (#2518)

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Invalidating and updating the whole window is a waste of computation resources and may cause certain controls notably the text string control to flicker. So instead, just invalidate the specific portion of the client area which is the animation bar.
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Bișoc George 2020-04-09 19:06:00 +02:00 committed by GitHub
parent a5a426f867
commit 28e277b65f
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 2 deletions
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8
dll/win32/msgina/gui.c
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@ -36,6 +36,7 @@ typedef struct _DLG_DATA
PGINA_CONTEXT pgContext;
HBITMAP hLogoBitmap;
HBITMAP hBarBitmap;
HWND hWndBarCtrl;
DWORD BarCounter;
DWORD LogoWidth;
DWORD LogoHeight;
@ -197,6 +198,9 @@ StatusDialogProc(
{
ERR("SetTimer(IDT_BAR) failed: %d\n", GetLastError());
}
/* Get the animation bar control */
pDlgData->hWndBarCtrl = GetDlgItem(hwndDlg, IDC_BAR);
}
return TRUE;
}
@ -210,8 +214,8 @@ StatusDialogProc(
* We can divide 413 by 7 without remainder
*/
pDlgData->BarCounter = (pDlgData->BarCounter + 7) % pDlgData->BarWidth;
InvalidateRect(hwndDlg, NULL, FALSE);
UpdateWindow(hwndDlg);
InvalidateRect(pDlgData->hWndBarCtrl, NULL, FALSE);
UpdateWindow(pDlgData->hWndBarCtrl);
}
return TRUE;
}