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riched20: Don't split a run if the cursor is at the end of it.

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This commit is contained in:
Huw Davies 2014-01-07 12:44:21 +00:00 committed by Alexandre Julliard
parent 7e7a8f1a4e
commit 2429e8b10b
1 changed files with 16 additions and 6 deletions
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22
dlls/riched20/run.c
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@ -658,17 +658,20 @@ void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt)
*/
void ME_SetCharFormat(ME_TextEditor *editor, ME_Cursor *start, ME_Cursor *end, CHARFORMAT2W *pFmt)
{
ME_DisplayItem *run, *end_run = NULL;
ME_DisplayItem *run, *start_run = start->pRun, *end_run = NULL;
if (end && start->pRun == end->pRun && start->nOffset == end->nOffset)
return;
if (start->nOffset)
if (start->nOffset == start->pRun->member.run.len)
start_run = ME_FindItemFwd( start->pRun, diRun );
else if (start->nOffset)
{
/* SplitRunSimple may or may not update the cursors, depending on whether they
* are selection cursors, but we need to make sure they are valid. */
int split_offset = start->nOffset;
ME_DisplayItem *split_run = ME_SplitRunSimple(editor, start);
start_run = start->pRun;
if (end && end->pRun == split_run)
{
end->pRun = start->pRun;
@ -676,11 +679,18 @@ void ME_SetCharFormat(ME_TextEditor *editor, ME_Cursor *start, ME_Cursor *end, C
}
}
if (end && end->nOffset)
ME_SplitRunSimple(editor, end);
end_run = end ? end->pRun : NULL;
if (end)
{
if (end->nOffset == end->pRun->member.run.len)
end_run = ME_FindItemFwd( end->pRun, diRun );
else
{
if (end->nOffset) ME_SplitRunSimple(editor, end);
end_run = end->pRun;
}
}
for (run = start->pRun; run != end_run; run = ME_FindItemFwd( run, diRun ))
for (run = start_run; run != end_run; run = ME_FindItemFwd( run, diRun ))
{
ME_Style *new_style = ME_ApplyStyle(run->member.run.style, pFmt);