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Added EM_SETRECT, EM_SETRECTNP, and WM_SETREDRAW message handling. 

Added support for GT_SELECTION flag in EM_GETTEXTEX handler.
This commit is contained in:
Phil Krylov 2005-08-15 09:47:14 +00:00 committed by Alexandre Julliard
parent 61b2fba9d7
commit f1184b466d
5 changed files with 150 additions and 62 deletions
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2
dlls/riched20/context.c
View File

@ -28,7 +28,7 @@ void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC)
c->pt.x = 0;
c->pt.y = 0;
c->hbrMargin = CreateSolidBrush(RGB(224,224,224));
GetClientRect(editor->hWnd, &c->rcView);
c->rcView = editor->rcFormat;
}
void ME_DestroyContext(ME_Context *c)

119
dlls/riched20/editor.c
View File

@ -58,7 +58,7 @@
+ EM_GETPARAFORMAT
- EM_GETPASSWORDCHAR 2.0
- EM_GETPUNCTUATION 1.0asian
- EM_GETRECT
+ EM_GETRECT
- EM_GETREDONAME 2.0
+ EM_GETSEL
+ EM_GETSELTEXT (ANSI&Unicode)
@ -106,8 +106,8 @@
- EM_SETPASSWORDCHAR 2.0
- EM_SETPUNCTUATION 1.0asian
+ EM_SETREADONLY no beep on modification attempt
- EM_SETRECT
- EM_SETRECTNP (EM_SETRECT without repainting) - not supported in RICHEDIT
+ EM_SETRECT
+ EM_SETRECTNP (EM_SETRECT without repainting)
+ EM_SETSEL
- EM_SETSCROLLPOS 3.0
- EM_SETTABSTOPS 3.0
@ -613,8 +613,11 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
ME_CommitUndo(editor);
ME_ReleaseStyle(style);
editor->nEventMask = nEventMask;
if (editor->bRedraw)
{
InvalidateRect(editor->hWnd, NULL, TRUE);
ME_UpdateRepaint(editor);
}
if (!(format & SFF_SELECTION)) {
ME_ClearTempStyle(editor);
}
@ -748,6 +751,8 @@ ME_TextEditor *ME_MakeEditor(HWND hWnd) {
ed->nLastSelStart = ed->nLastSelEnd = 0;
ed->nScrollPosY = 0;
ed->nZoomNumerator = ed->nZoomDenominator = 0;
ed->bRedraw = TRUE;
GetClientRect(hWnd, &ed->rcFormat);
for (i=0; i<HFONT_CACHE_SIZE; i++)
{
ed->pFontCache[i].nRefs = 0;
@ -1016,12 +1021,11 @@ get_msg_name(UINT msg)
* RichEditANSIWndProc (RICHED20.10)
*/
LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
HDC hDC;
PAINTSTRUCT ps;
SCROLLINFO si;
ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongW(hWnd, 0);
TRACE("msg %d (%s) %08x %08lx\n", msg, get_msg_name(msg), wParam, lParam);
TRACE("hWnd %p msg %d (%s) %08x %08lx\n",
hWnd, msg, get_msg_name(msg), wParam, lParam);
switch(msg) {
@ -1043,7 +1047,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
/* UNSUPPORTED_MSG(EM_GETOLEINTERFACE) separate stub */
UNSUPPORTED_MSG(EM_GETOPTIONS)
UNSUPPORTED_MSG(EM_GETPASSWORDCHAR)
UNSUPPORTED_MSG(EM_GETRECT)
UNSUPPORTED_MSG(EM_GETREDONAME)
UNSUPPORTED_MSG(EM_GETSCROLLPOS)
UNSUPPORTED_MSG(EM_GETTEXTMODE)
@ -1067,8 +1070,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
UNSUPPORTED_MSG(EM_SETOPTIONS)
UNSUPPORTED_MSG(EM_SETPALETTE)
UNSUPPORTED_MSG(EM_SETPASSWORDCHAR)
UNSUPPORTED_MSG(EM_SETRECT)
UNSUPPORTED_MSG(EM_SETRECTNP)
UNSUPPORTED_MSG(EM_SETSCROLLPOS)
UNSUPPORTED_MSG(EM_SETTABSTOPS)
UNSUPPORTED_MSG(EM_SETTARGETDEVICE)
@ -1191,8 +1192,11 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
editor->rgbBackColor = -1;
else
editor->rgbBackColor = lParam;
if (editor->bRedraw)
{
InvalidateRect(hWnd, NULL, TRUE);
UpdateWindow(hWnd);
}
return lColor;
}
case EM_GETMODIFY:
@ -1277,11 +1281,14 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
if (nPos<0)
nPos = 0;
if (nPos != editor->nScrollPosY) {
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
return TRUE; /* Should return false if a single line richedit control */
}
case WM_CLEAR:
@ -1429,20 +1436,35 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
case EM_GETTEXTEX:
{
GETTEXTEX *ex = (GETTEXTEX*)wParam;
int nStart, nCount;
if (ex->flags != 0)
FIXME("Unhandled EM_GETTEXTEX flags 0x%lx\n",ex->flags);
if (ex->flags & ~(GT_SELECTION | GT_USECRLF))
FIXME("GETTEXTEX flags 0x%08lx not supported\n", ex->flags & ~(GT_SELECTION | GT_USECRLF));
if (IsWindowUnicode(hWnd))
return ME_GetTextW(editor, (LPWSTR)lParam, 0, ex->cb, FALSE);
if (ex->flags & GT_SELECTION)
{
ME_GetSelection(editor, &nStart, &nCount);
nCount -= nStart;
nCount = min(nCount, ex->cb - 1);
}
else
{
LPWSTR buffer = HeapAlloc(GetProcessHeap(),0,ex->cb*sizeof(WCHAR));
nStart = 0;
nCount = ex->cb - 1;
}
if (ex->codepage == 1200 || IsWindowUnicode(hWnd))
{
nCount = min(nCount, ex->cb / sizeof(WCHAR) - 1);
return ME_GetTextW(editor, (LPWSTR)lParam, nStart, nCount, ex->flags & GT_USECRLF);
}
else
{
LPWSTR buffer = HeapAlloc(GetProcessHeap(), 0, (nCount + 1) * sizeof(WCHAR));
DWORD buflen = ex->cb;
LRESULT rc;
DWORD flags = 0;
buflen = ME_GetTextW(editor, buffer, 0, buflen, FALSE);
buflen = ME_GetTextW(editor, buffer, nStart, nCount, ex->flags & GT_USECRLF);
rc = WideCharToMultiByte(ex->codepage, flags, buffer, buflen, (LPSTR)lParam, ex->cb, ex->lpDefaultChar, ex->lpUsedDefaultChar);
HeapFree(GetProcessHeap(),0,buffer);
@ -1463,12 +1485,12 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
{
TEXTRANGEW *rng = (TEXTRANGEW *)lParam;
if (IsWindowUnicode(hWnd))
return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, editor->bEmulateVersion10);
else
{
int nLen = rng->chrg.cpMax-rng->chrg.cpMin;
WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1);
int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, FALSE);
int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, editor->bEmulateVersion10);
/* FIXME this is a potential security hole (buffer overrun)
if you know more about wchar->mbyte conversion please explain
*/
@ -1476,7 +1498,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
FREE_OBJ(p);
return nChars;
}
return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin, rng->chrg.cpMax-rng->chrg.cpMin, FALSE);
}
case EM_GETLINECOUNT:
{
@ -1611,9 +1632,15 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
ReleaseCapture();
break;
case WM_PAINT:
if (editor->bRedraw)
{
HDC hDC;
PAINTSTRUCT ps;
hDC = BeginPaint(hWnd, &ps);
ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint);
EndPaint(hWnd, &ps);
}
break;
case WM_SETFOCUS:
ME_ShowCaret(editor);
@ -1624,6 +1651,8 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
ME_SendOldNotify(editor, EN_KILLFOCUS);
return 0;
case WM_ERASEBKGND:
{
if (editor->bRedraw)
{
HDC hDC = (HDC)wParam;
RECT rc;
@ -1634,6 +1663,7 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
FillRect(hDC, &rc, hbr);
DeleteObject(hbr);
}
}
return 1;
}
case WM_COMMAND:
@ -1715,11 +1745,14 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
break;
}
if (nPos != editor->nScrollPosY) {
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
break;
}
case WM_MOUSEWHEEL:
@ -1735,15 +1768,54 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
if (nPos<0)
nPos = 0;
if (nPos != editor->nScrollPosY) {
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, editor->nScrollPosY-nPos, NULL, NULL);
editor->nScrollPosY = nPos;
SetScrollPos(hWnd, SB_VERT, nPos, TRUE);
UpdateWindow(hWnd);
}
editor->nScrollPosY = nPos;
}
break;
}
case EM_GETRECT:
{
*((RECT *)lParam) = editor->rcFormat;
return 0;
}
case EM_SETRECT:
case EM_SETRECTNP:
{
if (lParam)
{
RECT *rc = (RECT *)lParam;
if (wParam)
{
editor->rcFormat.left += rc->left;
editor->rcFormat.top += rc->top;
editor->rcFormat.right += rc->right;
editor->rcFormat.bottom += rc->bottom;
}
else
{
editor->rcFormat = *rc;
}
}
else
{
GetClientRect(hWnd, &editor->rcFormat);
}
if (msg != EM_SETRECTNP)
ME_RewrapRepaint(editor);
return 0;
}
case WM_SETREDRAW:
editor->bRedraw = wParam;
return 0;
case WM_SIZE:
{
GetClientRect(hWnd, &editor->rcFormat);
ME_RewrapRepaint(editor);
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
@ -1837,11 +1909,12 @@ int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, in
if (item->member.run.nFlags & MERF_ENDPARA)
{
if (bCRLF) {
*buffer++ = '\r';
if (bCRLF)
{
*buffer = '\n';
nWritten++;
}
*buffer = '\n';
assert(nLen == 1);
}
else

2
dlls/riched20/editstr.h
View File

@ -270,6 +270,8 @@ typedef struct tagME_TextEditor
BOOL bScrollX, bScrollY;
int nScrollPosY;
int nZoomNumerator, nZoomDenominator;
RECT rcFormat;
BOOL bRedraw;
} ME_TextEditor;
typedef struct tagME_Context

12
dlls/riched20/paint.c
View File

@ -154,6 +154,8 @@ void ME_Repaint(ME_TextEditor *editor)
if (ME_WrapMarkedParagraphs(editor)) {
ME_UpdateScrollBar(editor);
}
if (editor->bRedraw)
{
hDC = GetDC(editor->hWnd);
ME_HideCaret(editor);
ME_PaintContent(editor, hDC, TRUE, NULL);
@ -161,6 +163,7 @@ void ME_Repaint(ME_TextEditor *editor)
ME_ShowCaret(editor);
ME_EnsureVisible(editor, pCursor->pRun);
}
}
void ME_UpdateRepaint(ME_TextEditor *editor)
{
@ -415,11 +418,14 @@ void ME_Scroll(ME_TextEditor *editor, int cx, int cy)
GetScrollInfo(hWnd, SB_VERT, &si);
si.nPos = editor->nScrollPosY -= cy;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
if (editor->bRedraw)
{
if (abs(cy) > editor->sizeWindow.cy)
InvalidateRect(editor->hWnd, NULL, TRUE);
else
ScrollWindowEx(hWnd, cx, cy, NULL, NULL, NULL, NULL, SW_ERASE|SW_INVALIDATE);
}
}
void ME_UpdateScrollBar(ME_TextEditor *editor)
{
@ -495,16 +501,22 @@ void ME_EnsureVisible(ME_TextEditor *editor, ME_DisplayItem *pRun)
if (yrel < 0) {
editor->nScrollPosY = y;
SetScrollPos(hWnd, SB_VERT, y, TRUE);
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, -yrel, NULL, NULL);
UpdateWindow(hWnd);
}
} else if (yrel + yheight > editor->sizeWindow.cy) {
int newy = y+yheight-editor->sizeWindow.cy;
editor->nScrollPosY = newy;
SetScrollPos(hWnd, SB_VERT, newy, TRUE);
if (editor->bRedraw)
{
ScrollWindow(hWnd, 0, -(newy-yold), NULL, NULL);
UpdateWindow(hWnd);
}
}
}
BOOL

3
include/richedit.h
View File

@ -654,9 +654,10 @@ typedef LONG (*EDITWORDBREAKPROCEX)(char*,LONG,BYTE,INT);
#define TM_SINGLECODEPAGE 0x00000010
#define TM_MULTICODEPAGE 0x00000020
/* GETTEXT structure flags */
/* GETTEXTEX structure flags */
#define GT_DEFAULT 0x00000000
#define GT_USECRLF 0x00000001
#define GT_SELECTION 0x00000002
/* Options of the EM_SETTYPOGRAPHYOPTIONS message */
#define TO_ADVANCEDTYPOGRAPHY 0x00000001