#define SF_UNICODE 0x0010
#endif
+// Watcom C++ doesn't define this
+#ifndef SCF_ALL
+#define SCF_ALL 0x0004
+#endif
+
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
#if wxUSE_RICHEDIT
-// this module initializes RichEdit DLL if needed
+// this module initializes RichEdit DLL(s) if needed
class wxRichEditModule : public wxModule
{
public:
virtual bool OnInit();
virtual void OnExit();
- // get the version currently loaded, -1 if none
- static int GetLoadedVersion() { return ms_verRichEdit; }
-
// load the richedit DLL of at least of required version
static bool Load(int version = 1);
private:
- // the handle to richedit DLL and the version of the DLL loaded
- static HINSTANCE ms_hRichEdit;
-
- // the DLL version loaded or -1 if none
- static int ms_verRichEdit;
+ // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
+ static HINSTANCE ms_hRichEdit[2];
DECLARE_DYNAMIC_CLASS(wxRichEditModule)
};
-HINSTANCE wxRichEditModule::ms_hRichEdit = (HINSTANCE)NULL;
-int wxRichEditModule::ms_verRichEdit = -1;
+HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
wxString windowClass = wxT("EDIT");
#if wxUSE_RICHEDIT
+ if ( m_windowStyle & wxTE_AUTO_URL )
+ {
+ // automatic URL detection only works in RichEdit 2.0+
+ m_windowStyle |= wxTE_RICH2;
+ }
+
+ if ( m_windowStyle & wxTE_RICH2 )
+ {
+ // using richedit 2.0 implies using wxTE_RICH
+ m_windowStyle |= wxTE_RICH;
+ }
+
+ // we need to load the richedit DLL before creating the rich edit control
if ( m_windowStyle & wxTE_RICH )
{
- static bool s_errorGiven = FALSE; // MT-FIXME
+ static bool s_errorGiven = FALSE;// MT-FIXME
+
+ // Which version do we need? Use 1.0 by default because it is much more
+ // like the the standard EDIT or 2.0 if explicitly requested, but use
+ // only 2.0 in Unicode mode as 1.0 doesn't support Unicode at all
+ //
+ // TODO: RichEdit 3.0 is apparently capable of emulating RichEdit 1.0
+ // (and thus EDIT) much better than RichEdit 2.0 so we probably
+ // should use 3.0 if available as it is the best of both worlds -
+ // but as I can't test it right now I don't do it (VZ)
+#if wxUSE_UNICODE
+ const int verRichEdit = 2;
+#else // !wxUSE_UNICODE
+ int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
// only give the error msg once if the DLL can't be loaded
if ( !s_errorGiven )
{
- // first try to load the RichEdit DLL (will do nothing if already
- // done)
- if ( !wxRichEditModule::Load() )
+ // try to load the RichEdit DLL (will do nothing if already done)
+ if ( !wxRichEditModule::Load(verRichEdit) )
{
- wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+#if !wxUSE_UNICODE
+ // try another version?
+ verRichEdit = 3 - verRichEdit; // 1 <-> 2
+
+ if ( !wxRichEditModule::Load(verRichEdit) )
+#endif // wxUSE_UNICODE
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
- s_errorGiven = TRUE;
+ s_errorGiven = TRUE;
+ }
}
}
+ // have we managed to load any richedit version?
if ( !s_errorGiven )
{
msStyle |= ES_AUTOVSCROLL;
- m_verRichEdit = wxRichEditModule::GetLoadedVersion();
+ m_verRichEdit = verRichEdit;
if ( m_verRichEdit == 1 )
{
windowClass = wxT("RICHEDIT");
wxString wxTextCtrl::GetValue() const
{
- // we can't use wxGetWindowText() (i.e. WM_GETTEXT internally) for
- // retrieving more than 64Kb under Win9x
+ // range 0..-1 is special for GetRange() and means to retrieve all text
+ return GetRange(0, -1);
+}
+
+wxString wxTextCtrl::GetRange(long from, long to) const
+{
+ wxString str;
+
+ if ( from >= to && to != -1 )
+ {
+ // nothing to retrieve
+ return str;
+ }
+
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- wxString str;
-
int len = GetWindowTextLength(GetHwnd());
- if ( len )
+ if ( len > from )
{
// alloc one extra WORD as needed by the control
wxChar *p = str.GetWriteBuf(++len);
TEXTRANGE textRange;
- textRange.chrg.cpMin = 0;
- textRange.chrg.cpMax = -1;
+ textRange.chrg.cpMin = from;
+ textRange.chrg.cpMax = to == -1 ? len : to;
textRange.lpstrText = p;
(void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
- // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for
- // the newlines which is neither Unix nor Windows style (Win95 with
- // riched20.dll shows this behaviour) - convert it to something
- // reasonable
- for ( ; *p; p++ )
+ if ( m_verRichEdit > 1 )
{
- if ( *p == _T('\r') )
- *p = _T('\n');
+ // RichEdit 2.0 uses just CR ('\r') for the newlines which is
+ // neither Unix nor Windows style - convert it to something
+ // reasonable
+ for ( ; *p; p++ )
+ {
+ if ( *p == _T('\r') )
+ *p = _T('\n');
+ }
}
str.UngetWriteBuf();
+
+ if ( m_verRichEdit == 1 )
+ {
+ // convert to the canonical form - see comment below
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
+ }
}
//else: no text at all, leave the string empty
-
- return str;
}
+ else
#endif // wxUSE_RICHEDIT
+ {
+ // retrieve all text
+ str = wxGetWindowText(GetHWND());
- // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
- // same one as above for consitency
- wxString str = wxGetWindowText(GetHWND());
+ // need only a range?
+ if ( from < to )
+ {
+ str = str.Mid(from, to - from);
+ }
+
+ // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
+ // canonical one (same one as above) for consistency with the other kinds
+ // of controls and, more importantly, with the other ports
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
+ }
- return wxTextFile::Translate(str, wxTextFileType_Unix);
+ return str;
}
void wxTextCtrl::SetValue(const wxString& value)
void wxTextCtrl::WriteText(const wxString& value)
{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ wxString valueDos;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ else
+ valueDos = value;
#if wxUSE_RICHEDIT
// there are several complications with the rich edit controls here
{
if (CanCopy())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_COPY, 0, 0L);
+ ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
}
}
{
if (CanCut())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_CUT, 0, 0L);
+ ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
}
}
{
if (CanPaste())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
+ ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
}
}
{
// Can copy if there's a selection
long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
+ GetSelection(&from, &to);
+ return from != to;
}
bool wxTextCtrl::CanCut() const
{
- // Can cut if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) && (IsEditable());
+ return CanCopy() && IsEditable();
}
bool wxTextCtrl::CanPaste() const
void wxTextCtrl::SetInsertionPoint(long pos)
{
- SetSelection(pos, pos);
+ DoSetSelection(pos, pos);
}
void wxTextCtrl::SetInsertionPointEnd()
{
- long pos = GetLastPosition();
+ long pos;
+
+#if wxUSE_RICHEDIT
+ if ( m_verRichEdit == 1 )
+ {
+ // we don't have to waste time calling GetLastPosition() in this case
+ pos = -1;
+ }
+ else // !RichEdit 1.0
+#endif // wxUSE_RICHEDIT
+ {
+ pos = GetLastPosition();
+ }
+
SetInsertionPoint(pos);
}
long wxTextCtrl::GetLastPosition() const
{
- HWND hWnd = GetHwnd();
-
- // Will always return a number > 0 (according to docs)
- int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
-
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
- // Get number of characters in the last line. We'll add this to the character
- // index for the last line, 1st position.
- int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
- return (long)(charIndex + lineLength);
+ return posStartLastLine + lenLastLine;
}
// If the return values from and to are the same, there is no
}
}
-wxString wxTextCtrl::GetStringSelection() const
-{
- // the base class version works correctly for the rich text controls
- // because there the lines are terminated with just '\r' which means that
- // the string length is not changed in the result of the translations doen
- // in GetValue() but for the normal ones when we replace "\r\n" with '\n'
- // we break the indices
-#if wxUSE_RICHEDIT
- if ( IsRich() )
- return wxTextCtrlBase::GetStringSelection();
-#endif // wxUSE_RICHEDIT
-
- long from, to;
- GetSelection(&from, &to);
-
- wxString str;
- if ( from < to )
- {
- str = wxGetWindowText(GetHWND()).Mid(from, to - from);
-
- // and now that we have the correct selection, convert it to the
- // correct format
- str = wxTextFile::Translate(str, wxTextFileType_Unix);
- }
-
- return str;
-}
-
bool wxTextCtrl::IsEditable() const
{
long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
- return ((style & ES_READONLY) == 0);
+ return (style & ES_READONLY) == 0;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
void wxTextCtrl::SetSelection(long from, long to)
-{
- DoSetSelection(from, to);
-}
-
-void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
{
// if from and to are both -1, it means (in wxWindows) that all text should
// be selected - translate into Windows convention
to = -1;
}
+ DoSetSelection(from, to);
+}
+
+void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
+{
HWND hWnd = GetHwnd();
#ifdef __WIN32__
if ( scrollCaret )
{
-#if wxUSE_RICHEDIT
- // EM_SCROLLCARET doesn't work for me with the richedit controls
- // unless it has focus although I don't see any mention of it in the
- // docs - this is the only workaround I found. Of course it's not
- // perfect as it adds the dummy focus set/kill events but it's still
- // better than nothing
- HWND hwndFocusOld;
- if ( IsRich() )
- {
- hwndFocusOld = ::GetFocus();
- if ( hwndFocusOld == GetHwnd() )
- {
- // don't change focus
- hwndFocusOld = 0;
- }
-
- if ( hwndFocusOld )
- {
- ::SetFocus(GetHwnd());
- }
- }
- else // not rich
- {
- hwndFocusOld = 0;
- }
-#endif // wxUSE_RICHEDIT
-
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
-
-#if wxUSE_RICHEDIT
- if ( hwndFocusOld )
- {
- ::SetFocus(hwndFocusOld);
- }
-#endif // wxUSE_RICHEDIT
}
#else // Win16
// WPARAM is 0: selection is scrolled into view
bool wxTextCtrl::IsModified() const
{
- return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
+ return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
}
// Makes 'unmodified'
long wxTextCtrl::XYToPosition(long x, long y) const
{
- HWND hWnd = GetHwnd();
-
// This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
- return (long)(x + charIndex);
+ long charIndex = SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+
+ return charIndex + x;
}
bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
HWND hWnd = GetHwnd();
// This gets the line number containing the character
- int lineNo;
+ long lineNo;
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- lineNo = (int)SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ lineNo = SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
}
else
#endif // wxUSE_RICHEDIT
- lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ {
+ lineNo = SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ }
if ( lineNo == -1 )
{
}
// This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
+ long charIndex = SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
if ( charIndex == -1 )
{
return FALSE;
// The X position must therefore be the different between pos and charIndex
if ( x )
- *x = (long)(pos - charIndex);
+ *x = pos - charIndex;
if ( y )
- *y = (long)lineNo;
+ *y = lineNo;
return TRUE;
}
(void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
}
+long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
+{
+ return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
+}
+
int wxTextCtrl::GetLineLength(long lineNo) const
{
- long charIndex = XYToPosition(0, lineNo);
- int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
- return len;
+ long pos = XYToPosition(0, lineNo);
+
+ return GetLengthOfLineContainingPos(pos);
}
wxString wxTextCtrl::GetLineText(long lineNo) const
bool wxTextCtrl::CanUndo() const
{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
}
bool wxTextCtrl::CanRedo() const
{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
}
// ----------------------------------------------------------------------------
RECT rect;
::GetClientRect(GetHwnd(), &rect);
- COLORREF ref = PALETTERGB(col.Red(),
- col.Green(),
- col.Blue());
+ COLORREF ref = wxColourToRGB(col);
HBRUSH hBrush = ::CreateSolidBrush(ref);
if ( !hBrush )
wxLogLastError(wxT("CreateSolidBrush"));
// colour setting for the rich edit controls
// ----------------------------------------------------------------------------
-// Watcom C++ doesn't define this
-#ifndef SCF_ALL
-#define SCF_ALL 0x0004
-#endif
-
bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
{
if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
return FALSE;
}
- // the rich text control doesn't handle setting background colour, so don't
- // even try if it's the only thing we want to change
- if ( wxRichEditModule::GetLoadedVersion() < 2 &&
- !style.HasFont() && !style.HasTextColour() )
+ // the richedit 1.0 doesn't handle setting background colour, so don't
+ // even try to do anything if it's the only thing we want to change
+ if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() )
{
// nothing to do: return TRUE if there was really nothing to do and
// FALSE if we failed to set bg colour
#else
CHARFORMAT cf;
#endif
+
wxZeroMemory(cf);
- cf.cbSize = sizeof(cf);
+
+ // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // CHARFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
+ }
+ else
+#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
if ( style.HasFont() )
{
}
#if wxUSE_RICHEDIT2
- if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() )
+ if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
{
cf.dwMask |= CFM_BACKCOLOR;
cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
void wxRichEditModule::OnExit()
{
- if ( ms_hRichEdit )
+ for ( int i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
{
- FreeLibrary(ms_hRichEdit);
+ if ( ms_hRichEdit[i] )
+ {
+ ::FreeLibrary(ms_hRichEdit[i]);
+ }
}
}
/* static */
bool wxRichEditModule::Load(int version)
{
- wxCHECK_MSG( version >= 1 && version <= 3, FALSE,
+ // we don't support loading richedit 3.0 as I don't know how to distinguish
+ // it from 2.0 anyhow
+ wxCHECK_MSG( version == 1 || version == 2, FALSE,
_T("incorrect richedit control version requested") );
- if ( version <= ms_verRichEdit )
+ // make it the index in the array
+ version--;
+
+ if ( ms_hRichEdit[version] )
{
- // we've already got this or better
+ // we've already got this one
return TRUE;
}
- if ( ms_hRichEdit )
+ if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
{
- ::FreeLibrary(ms_hRichEdit);
+ // we had already tried to load it and failed
+ return FALSE;
}
- // always try load riched20.dll first - like this we won't have to reload
- // it later if we're first asked for RE 1 and then for RE 2 or 3
- wxString dllname = _T("riched20.dll");
- ms_hRichEdit = ::LoadLibrary(dllname);
- ms_verRichEdit = 2; // no way to tell if it's 2 or 3, assume 2
+ wxString dllname = version ? _T("riched20") : _T("riched32");
+ dllname += _T(".dll");
- if ( !ms_hRichEdit && (version == 1) )
- {
- // fall back to RE 1
- dllname = _T("riched32.dll");
- ms_hRichEdit = ::LoadLibrary(dllname);
- ms_verRichEdit = 1;
- }
+ ms_hRichEdit[version] = ::LoadLibrary(dllname);
- if ( !ms_hRichEdit )
+ if ( !ms_hRichEdit[version] )
{
wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
- ms_verRichEdit = -1;
+ ms_hRichEdit[version] = (HINSTANCE)-1;
return FALSE;
}
projects / wxWidgets.git / commitdiff
