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Implemented EM_GETFIRSTVISIBLELINE and EM_POSFROMCHAR (basic 

suboptimal implementation, can be optimized to skip whole paragraphs
later if it's useful at all).
This commit is contained in:
Krzysztof Foltman 2005-10-03 11:03:48 +00:00 committed by Alexandre Julliard
parent c6593b04b9
commit 025a1a5445
1 changed files with 49 additions and 4 deletions
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53
dlls/riched20/editor.c
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@ -43,7 +43,7 @@
- EM_GETCHARFORMAT (partly done)
- EM_GETEDITSTYLE
+ EM_GETEVENTMASK
- EM_GETFIRSTVISIBLELINE
+ EM_GETFIRSTVISIBLELINE (can be optimized if needed)
- EM_GETIMECOLOR 1.0asian
- EM_GETIMECOMPMODE 2.0
- EM_GETIMEOPTIONS 1.0asian
@ -81,7 +81,7 @@
+ EM_LINELENGTH
+ EM_LINESCROLL
- EM_PASTESPECIAL
- EM_POSFROMCHARS
+ EM_POSFROMCHAR
+ EM_REDO 2.0
- EM_REQUESTRESIZE
+ EM_REPLACESEL (proper style?) ANSI&Unicode
@ -1111,7 +1111,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
UNSUPPORTED_MSG(EM_GETAUTOURLDETECT)
UNSUPPORTED_MSG(EM_GETBIDIOPTIONS)
UNSUPPORTED_MSG(EM_GETEDITSTYLE)
UNSUPPORTED_MSG(EM_GETFIRSTVISIBLELINE)
UNSUPPORTED_MSG(EM_GETIMECOMPMODE)
/* UNSUPPORTED_MSG(EM_GETIMESTATUS) missing in Wine headers */
UNSUPPORTED_MSG(EM_GETLANGOPTIONS)
@ -1130,7 +1129,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
UNSUPPORTED_MSG(EM_HIDESELECTION)
UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */
UNSUPPORTED_MSG(EM_PASTESPECIAL)
/* UNSUPPORTED_MSG(EM_POSFROMCHARS) missing in Wine headers */
UNSUPPORTED_MSG(EM_REQUESTRESIZE)
UNSUPPORTED_MSG(EM_SCROLL)
UNSUPPORTED_MSG(EM_SCROLLCARET)
@ -1350,6 +1348,30 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
case EM_GETPARAFORMAT:
ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
return 0;
case EM_GETFIRSTVISIBLELINE:
{
ME_DisplayItem *p = editor->pBuffer->pFirst;
int y = editor->nScrollPosY;
int ypara = 0;
int count = 0;
int ystart, yend;
while(p) {
p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
if (p->type == diTextEnd)
break;
if (p->type == diParagraph) {
ypara = p->member.para.nYPos;
continue;
}
ystart = ypara + p->member.row.nYPos;
yend = ystart + p->member.row.nHeight;
if (y < yend) {
break;
}
count++;
}
return count;
}
case EM_LINESCROLL:
{
int nPos = editor->nScrollPosY, nEnd= editor->nTotalLength - editor->sizeWindow.cy;
@ -1684,6 +1706,29 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
return ME_SetZoom(editor, wParam, lParam);
case EM_CHARFROMPOS:
return ME_CharFromPos(editor, ((POINTL *)lParam)->x, ((POINTL *)lParam)->y);
case EM_POSFROMCHAR:
{
ME_DisplayItem *pRun;
int nCharOfs, nOffset, nLength;
POINTL pt = {0,0};
nCharOfs = wParam;
/* detect which API version we're dealing with */
if (wParam >= 0x40000)
nCharOfs = lParam;
nLength = ME_GetTextLength(editor);
if (nCharOfs < nLength-1) {
ME_RunOfsFromCharOfs(editor, nCharOfs, &pRun, &nOffset);
pt.y = pRun->member.run.pt.y;
pt.x = pRun->member.run.pt.x + ME_PointFromChar(editor, &pRun->member.run, nOffset);
}
pt.y += ME_GetParagraph(pRun)->member.para.nYPos;
if (wParam >= 0x40000) {
*(POINTL *)wParam = pt;
}
return MAKELONG( pt.x, pt.y );
}
case WM_CREATE:
ME_CommitUndo(editor);
ME_WrapMarkedParagraphs(editor);