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When scrolling, first update the new position of the control before 

calling UpdateWindow().
This commit is contained in:
Rein Klazes 2005-09-26 16:42:18 +00:00 committed by Alexandre Julliard
parent 5f92e03391
commit d7d8bbfc04
1 changed files with 13 additions and 10 deletions
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23
dlls/riched20/editor.c
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@ -1097,7 +1097,7 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
SCROLLINFO si;
ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongW(hWnd, 0);
TRACE("hWnd %p msg %d (%s) %08x %08lx\n",
TRACE("hWnd %p msg %04x (%s) %08x %08lx\n",
hWnd, msg, get_msg_name(msg), wParam, lParam);
switch(msg) {
@ -1359,13 +1359,14 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
if (nPos<0)
nPos = 0;
if (nPos != editor->nScrollPosY) {
int dy = editor->nScrollPosY - nPos;
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
ScrollWindow(hWnd, 0, dy, NULL, NULL);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
return TRUE; /* Should return false if a single line richedit control */
}
@ -1849,13 +1850,14 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
break;
}
if (nPos != editor->nScrollPosY) {
int dy = editor->nScrollPosY - nPos;
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
ScrollWindow(hWnd, 0, dy, NULL, NULL);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
break;
}
@ -1872,13 +1874,14 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
if (nPos<0)
nPos = 0;
if (nPos != editor->nScrollPosY) {
int dy = editor->nScrollPosY - nPos;
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
ScrollWindow(hWnd, 0, dy, NULL, NULL);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
break;
}