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richedit: Don't recreate the DC all the time, but use uniformely a ME_Context structure where needed.

This commit is contained in:
Eric Pouech 2008-01-01 22:05:28 +01:00 committed by Alexandre Julliard
parent 4cecb5dc70
commit 475b45d8ab
3 changed files with 11 additions and 13 deletions
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2
dlls/riched20/editor.h
View File

@ -150,7 +150,7 @@ ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
void ME_CheckCharOffsets(ME_TextEditor *editor);
void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Run *run);
int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run);
/* this one accounts for 1/2 char tolerance */
int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset);

20
dlls/riched20/run.c
View File

@ -487,11 +487,10 @@ void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize)
* pixel horizontal position. This version rounds left (ie. if the second
* character is at pixel position 8, then for cx=0..7 it returns 0).
*/
int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Run *run)
int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run)
{
int fit = 0;
HGDIOBJ hOldFont;
HDC hDC;
SIZE sz;
if (!run->strText->nLen)
return 0;
@ -505,29 +504,28 @@ int ME_CharFromPoint(ME_TextEditor *editor, int cx, ME_Run *run)
if (run->nFlags & MERF_GRAPHICS)
{
SIZE sz;
ME_GetGraphicsSize(editor, run, &sz);
ME_GetGraphicsSize(c->editor, run, &sz);
if (cx < sz.cx)
return 0;
return 1;
}
hDC = GetDC(editor->hWnd);
hOldFont = ME_SelectStyleFont(editor, hDC, run->style);
hOldFont = ME_SelectStyleFont(c->editor, c->hDC, run->style);
if (editor->cPasswordMask)
if (c->editor->cPasswordMask)
{
ME_String *strMasked = ME_MakeStringR(editor->cPasswordMask,ME_StrVLen(run->strText));
GetTextExtentExPointW(hDC, strMasked->szData, run->strText->nLen,
ME_String *strMasked = ME_MakeStringR(c->editor->cPasswordMask,ME_StrVLen(run->strText));
GetTextExtentExPointW(c->hDC, strMasked->szData, run->strText->nLen,
cx, &fit, NULL, &sz);
ME_DestroyString(strMasked);
}
else
{
GetTextExtentExPointW(hDC, run->strText->szData, run->strText->nLen,
GetTextExtentExPointW(c->hDC, run->strText->szData, run->strText->nLen,
cx, &fit, NULL, &sz);
}
ME_UnselectStyleFont(editor, hDC, run->style, hOldFont);
ReleaseDC(editor->hWnd, hDC);
ME_UnselectStyleFont(c->editor, c->hDC, run->style, hOldFont);
return fit;
}

2
dlls/riched20/wrap.c
View File

@ -168,7 +168,7 @@ static ME_DisplayItem *ME_SplitByBacktracking(ME_WrapContext *wc, ME_DisplayItem
int i, idesp, len;
ME_Run *run = &p->member.run;
idesp = i = ME_CharFromPoint(wc->context->editor, loc, run);
idesp = i = ME_CharFromPoint(wc->context, loc, run);
len = ME_StrVLen(run->strText);
assert(len>0);
assert(i<len);