gecko-dev/cmd/winfe/compmisc.cpp
1998-03-28 02:44:41 +00:00

558 lines
14 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/* COMPMISC.CPP - Contains controls which are utilized in the compose
* window address/attachment block. Also contains the resizer control
* which resizes the text edit control
*/
#include "stdafx.h"
#include "compmisc.h"
#include "compfrm.h"
#include "compbar.h"
#include "findrepl.h"
#include "spellcli.h" // spell checker client
#include "prefapi.h"
#ifdef XP_WIN32
#define EDIT_CONTROL_BUFFER_SIZE UINT_MAX
#else
#define EDIT_CONTROL_BUFFER_SIZE ((UINT)(32*1024))
#endif
/////////////////////////////////////////////////////////////////////////////
// CBlankWnd - resizes the edit control and restores focus to the appropriate
// field.
BEGIN_MESSAGE_MAP(CBlankWnd,CWnd)
ON_EN_CHANGE(IDC_COMPOSEEDITOR,OnChange)
ON_WM_ERASEBKGND()
ON_WM_SIZE()
ON_WM_SETFOCUS()
ON_WM_PAINT()
ON_WM_CREATE()
ON_WM_DESTROY()
END_MESSAGE_MAP()
#define INDICATOR_WIDTH 5
#define INDICATOR_COLOR RGB(113,113,255)
PR_CALLBACK PrefSetWrapCol(const char *pPref, void *pData)
{
int32 iCol;
PREF_GetIntPref("mailnews.wraplength", &iCol);
CBlankWnd * pEditorWindow = (CBlankWnd *)pData;
pEditorWindow->SetWrapCol(iCol);
pEditorWindow->Invalidate(TRUE);// must pass TRUE
}
int CBlankWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CWnd::OnCreate(lpCreateStruct) == -1)
return -1;
m_lWrapCol = 0L;
//register call back for wrap long line
PREF_RegisterCallback("mailnews.wraplength", PrefSetWrapCol, (void *)this);
PREF_GetIntPref("mailnews.wraplength",&m_lWrapCol);
return 0;
}
void CBlankWnd::OnDestroy()
{
PREF_UnregisterCallback("mailnews.wraplength", PrefSetWrapCol, this);
CWnd::OnDestroy();
}
void CBlankWnd::OnPaint()
{
CPaintDC dc(this);
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
if (pFrame->GetWrapLongLines())
{
CRect rect;
GetClientRect(rect);
int iPos = ((int)GetWrapCol()) * pFrame->GetCharWidth();
if (iPos < rect.Width())
{
CPen pen(PS_SOLID,1,INDICATOR_COLOR);
CPen * pOldPen = dc.SelectObject(&pen);
iPos -= (INDICATOR_WIDTH/2);
dc.MoveTo(iPos,1);
dc.LineTo(iPos+INDICATOR_WIDTH,1);
dc.MoveTo(iPos+1,2);
dc.LineTo((iPos+INDICATOR_WIDTH)-1,2);
dc.SetPixel(iPos+2,3,INDICATOR_COLOR);
dc.SelectObject(pOldPen);
}
}
}
void CBlankWnd::OnSetFocus(CWnd *)
{
// when focus is given to this window... focus is passed off to the
// last field which had focus.
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
if (pFrame->GetFocusField() && IsWindow(pFrame->GetFocusField()->m_hWnd))
pFrame->GetFocusField()->SetFocus();
}
void CBlankWnd::OnChange(void)
{
// the backend should be notified that the text has been
// changed whener an edit occurs
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
m_bModified = TRUE;
}
BOOL CBlankWnd::OnEraseBkgnd (CDC * pdc)
{
// erase the background with the default brush
CRect rect;
CBrush Brush(GetSysColor(COLOR_WINDOW));
GetClientRect (&rect);
pdc->FillRect (rect, &Brush);
return TRUE;
}
void CBlankWnd::OnSize ( UINT nType, int cx, int cy )
{
// resize the editor whenver this window is resized.
// a border is given on the left so that the cursor doesn't
// but right up against the edge (looks bad)
CWnd::OnSize ( nType, cx, cy );
CRect rect ( EDIT_MARGIN_OFFSET, EDIT_TOP_MARGIN, cx, cy );
CComposeFrame * pFrame = (CComposeFrame*)GetParent()->GetParent();
if (IsWindow(pFrame->GetEditor()->m_hWnd))
pFrame->GetEditor()->MoveWindow ( rect );
}
/////////////////////////////////////////////////////////////////////////////
// CComposeEdit - This is the regular text edit control. This is probably
//
BEGIN_MESSAGE_MAP(CComposeEdit, CGenericEdit)
ON_WM_KEYDOWN()
ON_WM_CREATE()
ON_WM_SETFOCUS()
ON_COMMAND(ID_CHECK_SPELLING, OnCheckSpelling)
// edit menu
ON_COMMAND(ID_EDIT_CUT,OnCut)
ON_COMMAND(ID_EDIT_COPY,OnCopy)
ON_COMMAND(ID_EDIT_PASTE,OnPaste)
ON_COMMAND(ID_EDIT_UNDO,OnUndo)
ON_COMMAND(idm_redo,OnRedo)
ON_COMMAND(ID_EDIT_DELETE,OnDelete)
ON_COMMAND(IDM_SELECTALL,OnSelectAll)
ON_COMMAND(IDM_FINDAGAIN,OnFindAgain)
ON_COMMAND(IDM_FINDINMESSAGE,OnFindInMessage)
ON_REGISTERED_MESSAGE(WM_FINDREPLACE, OnFindReplace)
ON_UPDATE_COMMAND_UI(ID_EDIT_CUT,OnUpdateCut)
ON_UPDATE_COMMAND_UI(ID_EDIT_COPY,OnUpdateCopy)
ON_UPDATE_COMMAND_UI(ID_EDIT_PASTE,OnUpdatePaste)
ON_UPDATE_COMMAND_UI(IDM_PASTEASQUOTE,OnUpdatePasteAsQuote)
ON_UPDATE_COMMAND_UI(ID_EDIT_UNDO,OnUpdateUndo)
ON_UPDATE_COMMAND_UI(ID_EDIT_DELETE,OnUpdateDelete)
ON_UPDATE_COMMAND_UI(IDM_SELECTALL,OnUpdateSelectAll)
ON_UPDATE_COMMAND_UI(IDM_FINDINMESSAGE,OnUpdateFindInMessage)
ON_UPDATE_COMMAND_UI(IDM_FINDAGAIN,OnUpdateFindAgain)
END_MESSAGE_MAP()
CComposeEdit::CComposeEdit(CComposeFrame * pFrame)
{
m_pComposeFrame = pFrame;
m_cxChar = 1;
#ifdef XP_WIN16
// win16 edit control's memory is by default, allocated from the heap.. which is
// usually not enough.... so create a 32K message buffer
m_hTextElementSegment = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, EDIT_CONTROL_BUFFER_SIZE);
#endif
}
CComposeEdit::~CComposeEdit()
{
#ifdef XP_WIN16
// free up the 16bit memory buffer
if (m_hTextElementSegment)
GlobalFree(m_hTextElementSegment);
#endif
}
#ifdef XP_WIN16
//
// The creator of this form element should have created a segment for
// us to live in before we got here. Tell Windows to use that
// segment rather than the application's so that we don't run out of
// DGROUP space
//
BOOL CComposeEdit::PreCreateWindow( CREATESTRUCT& cs )
{
// during a precreate in happy 16bit land, lock the edit data
// buffer and tell the control to use it.
if (CGenericEdit::PreCreateWindow(cs)) {
ASSERT(m_hTextElementSegment);
if(!m_hTextElementSegment)
return TRUE;
LPVOID lpEditDC = (LPVOID) GlobalLock(m_hTextElementSegment);
if (lpEditDC) {
UINT uSegment = HIWORD((LONG) lpEditDC);
if (LocalInit((UINT)uSegment,0,(WORD)(GlobalSize(m_hTextElementSegment)-16))) {
cs.hInstance = (HINSTANCE) uSegment;
UnlockSegment(uSegment);
}
else
GlobalUnlock(m_hTextElementSegment);
}
return TRUE;
}
return FALSE;
}
#endif
void CComposeEdit::OnSetFocus(CWnd * pWnd)
{
// When focus is set to the edit field, tell the parent
CGenericEdit::OnSetFocus(pWnd);
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
pFrame->SetFocusField(this);
}
int CComposeEdit::OnCreate ( LPCREATESTRUCT lpcs )
{
// set up the fonts, get the character size
int iRet = CGenericEdit::OnCreate ( lpcs );
LimitText(EDIT_CONTROL_BUFFER_SIZE);
CClientDC dc ( this );
LOGFONT lf;
XP_MEMSET(&lf,0,sizeof(LOGFONT));
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
lf.lfPitchAndFamily = FF_MODERN | FIXED_PITCH;
strcpy(lf.lfFaceName, IntlGetUIFixFaceName(pFrame->m_iCSID));
lf.lfCharSet = IntlGetLfCharset(pFrame->m_iCSID);
lf.lfHeight = -MulDiv(9,dc.GetDeviceCaps(LOGPIXELSY), 72);
lf.lfQuality = PROOF_QUALITY;
if (m_cfRegFont) {
theApp.ReleaseAppFont(m_cfRegFont);
}
m_cfRegFont = theApp.CreateAppFont( lf );
TEXTMETRIC tm;
CFont * pOldFont = dc.SelectObject(CFont::FromHandle(m_cfRegFont));
dc.GetTextMetrics(&tm);
dc.SelectObject(pOldFont);
m_cxChar = tm.tmAveCharWidth;
::SendMessage(GetSafeHwnd(), WM_SETFONT, (WPARAM)m_cfRegFont, FALSE);
return iRet;
}
void CComposeEdit::OnKeyDown( UINT nChar, UINT nRepCnt, UINT nFlags )
{
// process the tab key so that it properly tabs between the
// address block and the editor.
if ((nChar==VK_TAB)&&(GetKeyState(VK_SHIFT)&0x8000)) {
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
MSG msg;
while (PeekMessage(&msg,m_hWnd,WM_KEYFIRST,WM_KEYLAST,PM_REMOVE))
;
CComposeBar * pBar = pFrame->GetComposeBar();
ASSERT(pBar);
if (pBar)
pBar->m_pSubjectEdit->SetFocus();
}
else
{
CGenericEdit::OnKeyDown(nChar,nRepCnt,nFlags);
}
}
void CComposeEdit::OnCheckSpelling()
{
CPlainTextSpellChecker SpellChecker(this);
if (SpellChecker.ProcessDocument() != 0)
ASSERT(FALSE);
}
void CComposeEdit::OnCut()
{
Cut();
}
void CComposeEdit::OnCopy()
{
Copy();
}
void CComposeEdit::OnPaste()
{
Paste();
}
void CComposeEdit::OnUndo()
{
Undo();
}
void CComposeEdit::OnRedo()
{
}
void CComposeEdit::OnDelete()
{
if (GetFocus() == this)
Clear();
}
void CComposeEdit::OnFindInMessage()
{
CNetscapeFindReplaceDialog *dlg;
dlg = new CNetscapeFindReplaceDialog();
dlg->Create(TRUE,
theApp.m_csFindString,
NULL,
FR_DOWN | FR_NOWHOLEWORD | FR_HIDEWHOLEWORD | FR_NOUPDOWN,
GetParentFrame());
}
void CComposeEdit::OnFindAgain()
{
FindText();
}
void CComposeEdit::OnUpdateCut(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(IsSelection());
}
void CComposeEdit::OnUpdateCopy(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(IsSelection());
}
void CComposeEdit::OnUpdatePaste(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(IsClipboardData());
}
BOOL CComposeEdit::IsSelection()
{
int nStart, nEnd;
GetSel(nStart,nEnd);
return ((nEnd-nStart)>0);
}
BOOL CComposeEdit::IsClipboardData()
{
BOOL retVal = FALSE;
OpenClipboard();
if (GetClipboardData(CF_TEXT)) {
retVal = TRUE;
}
CloseClipboard();
return retVal;
}
void CComposeEdit::OnUpdatePasteAsQuote(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(IsClipboardData());
}
void CComposeEdit::OnUpdateUndo(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(CanUndo());
}
void CComposeEdit::OnUpdateDelete(CCmdUI * pCmdUI)
{
if (GetFocus() == this)
pCmdUI->Enable(IsSelection());
}
void CComposeEdit::OnUpdateFindInMessage(CCmdUI * pCmdUI)
{
if ( GetWindowTextLength() > 0 && (GetFocus() == this))
pCmdUI->Enable(TRUE);
else
pCmdUI->Enable(FALSE);
}
void CComposeEdit::OnUpdateFindAgain(CCmdUI * pCmdUI)
{
if ((theApp.m_csFindString && strlen(theApp.m_csFindString)) && (GetFocus() == this))
pCmdUI->Enable(TRUE);
else
pCmdUI->Enable(FALSE);
}
void CComposeEdit::OnSelectAll()
{
SetSel(0,-1);
SetFocus();
}
void CComposeEdit::OnUpdateSelectAll(CCmdUI *pCmdUI)
{
pCmdUI->Enable(TRUE);
}
BEGIN_MESSAGE_MAP(CComposeSubjectEdit, CGenericEdit)
ON_WM_SETFOCUS()
ON_WM_KILLFOCUS()
END_MESSAGE_MAP()
void CComposeSubjectEdit::OnSetFocus(CWnd * pWnd)
{
// When focus is set to the edit field, tell the parent
CGenericEdit::OnSetFocus(pWnd);
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
pFrame->SetFocusField(this);
}
void CComposeSubjectEdit::OnKillFocus(CWnd * pWnd)
{
CGenericEdit::OnKillFocus(pWnd);
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
CString cs;
GetWindowText(cs);
if (cs.GetLength())
pFrame->GetChrome()->SetDocumentTitle(cs);
}
BOOL CComposeSubjectEdit::PreTranslateMessage(MSG* pMsg)
{
if (pMsg->message == WM_KEYDOWN)
{
if (pMsg->wParam == VK_RETURN)
{
CComposeFrame * pFrame = (CComposeFrame*)GetParentFrame();
pFrame->GetComposeBar()->TabControl(FALSE,FALSE,this);
return TRUE;
}
if (pMsg->wParam == 'v' || pMsg->wParam == 'V')
{
if (GetKeyState(VK_CONTROL)&0x8000)
{
Paste();
return TRUE;
}
}
else if (pMsg->wParam == VK_INSERT)
{
if (GetKeyState(VK_SHIFT)&0x8000)
{
Paste();
return TRUE;
}
else if (GetKeyState(VK_CONTROL)&0x8000)
{
Copy();
return TRUE;
}
}
else if (pMsg->wParam == 'x' || pMsg->wParam == 'X')
{
if (GetKeyState(VK_CONTROL)&0x8000)
{
Cut();
return TRUE;
}
}
else if (pMsg->wParam == 'c' || pMsg->wParam == 'C')
{
if (GetKeyState(VK_CONTROL)&0x8000)
{
Copy();
return TRUE;
}
}
}
return CEdit::PreTranslateMessage(pMsg);
}
LRESULT CComposeEdit::OnFindReplace(WPARAM wParam, LPARAM lParam)
{
CFindReplaceDialog * dlg = ::CFindReplaceDialog::GetNotifier(lParam);
if (!dlg)
return NULL;
FINDREPLACE findstruct = dlg->m_fr;
if (dlg->IsTerminating()) {
return NULL;
}
// Something wrong or user cancelled dialog box
if(!(findstruct.Flags & FR_FINDNEXT))
return NULL;
// remember this string for next time
theApp.m_csFindString = findstruct.lpstrFindWhat;
theApp.m_csReplaceString = findstruct.lpstrReplaceWith;
theApp.m_bMatchCase = dlg->MatchCase();
theApp.m_bSearchDown = dlg->SearchDown();
return (LRESULT) FindText();
}
BOOL CComposeEdit::FindText()
{
CString cs, csSearch = theApp.m_csFindString;
GetWindowText(cs);
int nStart, nEnd;
GetSel(nStart,nEnd);
if (!theApp.m_bMatchCase)
{
cs.MakeLower();
csSearch.MakeLower();
}
if (!cs.IsEmpty())
{
int ipos = nEnd;
int ipos2;
LPCSTR lpcstr = cs;
if ((ipos2 = CString(&lpcstr[ipos]).Find(csSearch)) != -1)
{
SetSel(ipos + ipos2, ipos + ipos2 + strlen(csSearch));
return(TRUE);
}
}
return FALSE;
}