} ENLINK;
#endif // ENLINK
+#ifndef SF_UNICODE
+ #define SF_UNICODE 0x0010
+#endif
+
+// Watcom C++ doesn't define this
+#ifndef SCF_ALL
+#define SCF_ALL 0x0004
+#endif
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_RICHEDIT
+
+DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb);
+
+#endif // wxUSE_RICHEDIT
+
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
#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)
// creation
// ----------------------------------------------------------------------------
-wxTextCtrl::wxTextCtrl()
+void wxTextCtrl::Init()
{
#if wxUSE_RICHEDIT
- m_isRich = FALSE;
+ m_verRichEdit = 0;
#endif
}
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
- s_errorGiven = TRUE;
+ 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;
+ }
}
}
- if ( s_errorGiven )
- {
- m_isRich = FALSE;
- }
- else
+ // have we managed to load any richedit version?
+ if ( !s_errorGiven )
{
msStyle |= ES_AUTOVSCROLL;
- // Experimental: this seems to help with the scroll problem. See messages from Jekabs Andrushaitis <j.andrusaitis@konts.lv>
- // wx-dev list, entitled "[wx-dev] wxMSW-EVT_KEY_DOWN and wxMSW-wxTextCtrl" and "[wx-dev] TextCtrl (RichEdit)"
- // Unfortunately, showing the selection in blue when the control doesn't have
- // the focus is non-standard behaviour, and we need to find another workaround.
- //msStyle |= ES_NOHIDESEL ;
- m_isRich = TRUE;
-
- int ver = wxRichEditModule::GetLoadedVersion();
- if ( ver == 1 )
+
+ m_verRichEdit = verRichEdit;
+ if ( m_verRichEdit == 1 )
{
windowClass = wxT("RICHEDIT");
}
{
#ifndef RICHEDIT_CLASS
wxString RICHEDIT_CLASS;
- RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), ver);
+ RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit);
#if wxUSE_UNICODE
RICHEDIT_CLASS += _T('W');
#else // ANSI
}
}
}
- else
- m_isRich = FALSE;
#endif // wxUSE_RICHEDIT
- if ( !MSWCreateControl(windowClass, msStyle, pos, size, value) )
+ // we need to turn '\n's into "\r\n"s for the multiline controls
+ wxString valueWin;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
+ }
+ else // single line
+ {
+ valueWin = value;
+ }
+
+ if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
return FALSE;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
#if wxUSE_RICHEDIT
- if (m_isRich)
+ if ( IsRich() )
{
// have to enable events manually
LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE;
// Make sure the window style (etc.) reflects the HWND style (roughly)
void wxTextCtrl::AdoptAttributesFromHWND()
{
- wxWindow::AdoptAttributesFromHWND();
+ wxWindow::AdoptAttributesFromHWND();
- HWND hWnd = GetHwnd();
- long style = GetWindowLong(hWnd, GWL_STYLE);
+ HWND hWnd = GetHwnd();
+ long style = ::GetWindowLong(hWnd, GWL_STYLE);
- // retrieve the style to see whether this is an edit or richedit ctrl
+ // retrieve the style to see whether this is an edit or richedit ctrl
#if wxUSE_RICHEDIT
- wxChar buf[256];
+ wxString classname = wxGetWindowClass(GetHWND());
- GetClassName(hWnd, buf, WXSIZEOF(buf));
+ if ( classname.IsSameAs(_T("EDIT"), FALSE /* no case */) )
+ {
+ m_verRichEdit = 0;
+ }
+ else // rich edit?
+ {
+ wxChar c;
+ if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
+ {
+ wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str());
- if ( wxStricmp(buf, wxT("EDIT")) == 0 )
- m_isRich = FALSE;
- else
- m_isRich = TRUE;
+ m_verRichEdit = 0;
+ }
+ }
#endif // wxUSE_RICHEDIT
- if (style & ES_MULTILINE)
- m_windowStyle |= wxTE_MULTILINE;
- if (style & ES_PASSWORD)
- m_windowStyle |= wxTE_PASSWORD;
- if (style & ES_READONLY)
- m_windowStyle |= wxTE_READONLY;
- if (style & ES_WANTRETURN)
- m_windowStyle |= wxTE_PROCESS_ENTER;
+ if (style & ES_MULTILINE)
+ m_windowStyle |= wxTE_MULTILINE;
+ if (style & ES_PASSWORD)
+ m_windowStyle |= wxTE_PASSWORD;
+ if (style & ES_READONLY)
+ m_windowStyle |= wxTE_READONLY;
+ if (style & ES_WANTRETURN)
+ m_windowStyle |= wxTE_PROCESS_ENTER;
}
// ----------------------------------------------------------------------------
wxString wxTextCtrl::GetValue() const
{
- // we can't use wxGetWindowText() (i.e. WM_GETTEXT internally) for
- // retrieving more than 64Kb under Win9x
-#if wxUSE_RICHEDIT
- if ( m_isRich )
+ // 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 )
{
- wxString str;
+ // nothing to retrieve
+ return str;
+ }
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
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)
// edit controls mostly)
if ( (value.length() > 0x400) || (value != GetValue()) )
{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ DoWriteText(value, FALSE /* not selection only */);
- SetWindowText(GetHwnd(), valueDos.c_str());
+ // mark the control as being not dirty - we changed its text, not the
+ // user
+ DiscardEdits();
- // for compatibility with the GTK and because it is more logical, we
- // move the cursor to the end of the text after SetValue()
+ // for compatibility, don't move the cursor when doing SetValue()
+ SetInsertionPoint(0);
+ }
+}
- // GRG, Jun/2000: Changed this back after a lot of discussion
- // in the lists. wxWindows 2.2 will have a set of flags to
- // customize this behaviour.
- //SetInsertionPointEnd();
+#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
- AdjustSpaceLimit();
+DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+{
+ *pcb = 0;
+
+ wchar_t *wbuf = (wchar_t *)buf;
+ const wchar_t *wpc = *(const wchar_t **)dwCookie;
+ while ( cb && *wpc )
+ {
+ *wbuf++ = *wpc++;
+
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
+ }
+
+ *(const wchar_t **)dwCookie = wpc;
+
+ return 0;
+}
+
+extern long wxEncodingToCodepage(wxFontEncoding encoding); // from strconv.cpp
+
+#if wxUSE_UNICODE_MSLU
+bool wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding WXUNUSED(encoding),
+ bool selectionOnly)
+{
+ const wchar_t *wpc = value.c_str();
+#else // !wxUSE_UNICODE_MSLU
+bool wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding encoding,
+ bool selectionOnly)
+{
+ // we have to use EM_STREAMIN to force richedit control 2.0+ to show any
+ // text in the non default charset - otherwise it thinks it knows better
+ // than we do and always shows it in the default one
+
+ // first get the Windows code page for this encoding
+ long codepage = wxEncodingToCodepage(encoding);
+ if ( codepage == -1 )
+ {
+ // unknown encoding
+ return FALSE;
+ }
+
+ // next translate to Unicode using this code page
+ int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0);
+
+#if wxUSE_WCHAR_T
+ wxWCharBuffer wchBuf(len);
+#else
+ wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+#endif
+
+ if ( !::MultiByteToWideChar(codepage, 0, value, -1,
+ (wchar_t *)(const wchar_t *)wchBuf, len) )
+ {
+ wxLogLastError(_T("MultiByteToWideChar"));
+ }
+
+ // finally, stream it in the control
+ const wchar_t *wpc = wchBuf;
+#endif // wxUSE_UNICODE_MSLU
+
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD)&wpc;
+ // the cast below is needed for broken (very) old mingw32 headers
+ eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
+
+ if ( !::SendMessage(GetHwnd(), EM_STREAMIN,
+ SF_TEXT |
+ SF_UNICODE |
+ (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds) || eds.dwError )
+ {
+ wxLogLastError(_T("EM_STREAMIN"));
}
+
+#if !wxUSE_WCHAR_T
+ free(wchBuf);
+#endif // !wxUSE_WCHAR_T
+
+ return TRUE;
}
+#endif // wxUSE_RICHEDIT
+
void wxTextCtrl::WriteText(const wxString& value)
{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ DoWriteText(value);
+}
+
+void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
+{
+ wxString valueDos;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ else
+ valueDos = value;
#if wxUSE_RICHEDIT
- // ensure that the new text will be in the default style
- if ( IsRich() &&
- (m_defaultStyle.HasFont() || m_defaultStyle.HasTextColour()) )
+ // there are several complications with the rich edit controls here
+ bool done = FALSE;
+ if ( IsRich() )
{
- long start, end;
- GetSelection(&start, &end);
- SetStyle(start, end, m_defaultStyle );
+ // first, ensure that the new text will be in the default style
+ if ( !m_defaultStyle.IsDefault() )
+ {
+ long start, end;
+ GetSelection(&start, &end);
+ SetStyle(start, end, m_defaultStyle);
+ }
+
+#if wxUSE_UNICODE_MSLU
+ // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
+ // but EM_STREAMIN works
+ if ( wxGetOsVersion() == wxWIN95 && GetRichVersion() > 1 )
+ {
+ done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
+ }
+#endif // wxUSE_UNICODE_MSLU
+
+#if !wxUSE_UNICODE
+ // next check if the text we're inserting must be shown in a non
+ // default charset -- this only works for RichEdit > 1.0
+ if ( GetRichVersion() > 1 )
+ {
+ wxFont font = m_defaultStyle.GetFont();
+ if ( !font.Ok() )
+ font = GetFont();
+
+ if ( font.Ok() )
+ {
+ wxFontEncoding encoding = font.GetEncoding();
+ if ( encoding != wxFONTENCODING_SYSTEM )
+ {
+ done = StreamIn(valueDos, encoding, selectionOnly);
+ }
+ }
+ }
+#endif // !wxUSE_UNICODE
}
+
+ if ( !done )
#endif // wxUSE_RICHEDIT
+ {
+ if ( !selectionOnly )
+ {
+ SetSelection(-1, -1);
+ }
- SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+ ::SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+ }
AdjustSpaceLimit();
}
void wxTextCtrl::AppendText(const wxString& text)
{
SetInsertionPointEnd();
+
WriteText(text);
}
void wxTextCtrl::Clear()
{
- SetWindowText(GetHwnd(), wxT(""));
+ ::SetWindowText(GetHwnd(), wxT(""));
}
// ----------------------------------------------------------------------------
{
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
{
+ if ( !IsEditable() )
+ return FALSE;
+
#if wxUSE_RICHEDIT
- if (m_isRich)
+ if ( IsRich() )
{
- int dataFormat = 0; // 0 == any format
- return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
+ UINT cf = 0; // 0 == any format
+
+ return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
}
-#endif
- if (!IsEditable())
- return FALSE;
+#endif // wxUSE_RICHEDIT
// Standard edit control: check for straight text on clipboard
- bool isTextAvailable = FALSE;
- if ( ::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
- {
- isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
- ::CloseClipboard();
- }
+ if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
+ return FALSE;
+
+ bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
+ ::CloseClipboard();
return isTextAvailable;
}
void wxTextCtrl::SetInsertionPoint(long pos)
{
- HWND hWnd = GetHwnd();
-#ifdef __WIN32__
+ DoSetSelection(pos, pos);
+}
+
+void wxTextCtrl::SetInsertionPointEnd()
+{
+ long pos;
+
#if wxUSE_RICHEDIT
- if ( m_isRich)
+ if ( m_verRichEdit == 1 )
{
- CHARRANGE range;
- range.cpMin = pos;
- range.cpMax = pos;
- SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ // we don't have to waste time calling GetLastPosition() in this case
+ pos = -1;
}
- else
+ else // !RichEdit 1.0
#endif // wxUSE_RICHEDIT
{
- SendMessage(hWnd, EM_SETSEL, pos, pos);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
- }
-#else // Win16
- SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
-#endif // Win32/16
-
-#if wxUSE_RICHEDIT
- if ( !m_isRich)
-#endif
- {
- static const wxChar *nothing = _T("");
- SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+ pos = GetLastPosition();
}
-}
-void wxTextCtrl::SetInsertionPointEnd()
-{
- long pos = GetLastPosition();
SetInsertionPoint(pos);
}
long wxTextCtrl::GetInsertionPoint() const
{
#if wxUSE_RICHEDIT
- if (m_isRich)
+ if ( IsRich() )
{
CHARRANGE range;
range.cpMin = 0;
SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
return range.cpMin;
}
-#endif
+#endif // wxUSE_RICHEDIT
DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
return Pos & 0xFFFF;
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);
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
- // 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);
-
- return (long)(charIndex + lineLength);
+ return posStartLastLine + lenLastLine;
}
// If the return values from and to are the same, there is no
void wxTextCtrl::GetSelection(long* from, long* to) const
{
#if wxUSE_RICHEDIT
- if (m_isRich)
+ if ( IsRich() )
{
CHARRANGE charRange;
- ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
+ ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
*from = charRange.cpMin;
*to = charRange.cpMax;
}
else
-#endif // rich/!rich
+#endif // !wxUSE_RICHEDIT
{
DWORD dwStart, dwEnd;
- WPARAM wParam = (WPARAM) &dwStart; // receives starting position
- LPARAM lParam = (LPARAM) &dwEnd; // receives ending position
-
- ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
+ ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
*from = dwStart;
*to = dwEnd;
{
long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
- return ((style & ES_READONLY) == 0);
+ return (style & ES_READONLY) == 0;
}
// ----------------------------------------------------------------------------
-// Editing
+// selection
// ----------------------------------------------------------------------------
-void wxTextCtrl::Replace(long from, long to, const wxString& value)
+void wxTextCtrl::SetSelection(long from, long to)
{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
+ // if from and to are both -1, it means (in wxWindows) that all text should
+ // be selected - translate into Windows convention
+ if ( (from == -1) && (to == -1) )
+ {
+ from = 0;
+ to = -1;
+ }
- // Set selection and remove it
-#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
- SendMessage(hWnd, EM_REPLACESEL, (WPARAM)TRUE, (LPARAM)value.c_str());
-#else
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
- SendMessage(hWnd, EM_REPLACESEL, (WPARAM)0, (LPARAM)value.c_str());
-#endif
+ DoSetSelection(from, to);
}
-void wxTextCtrl::Remove(long from, long to)
+void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
{
HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
- // Cut all selected text
#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
- SendMessage(hWnd, EM_REPLACESEL, (WPARAM)TRUE, (LPARAM)"");
-#else
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
- SendMessage(hWnd, EM_REPLACESEL, (WPARAM)0, (LPARAM)"");
-#endif
-}
-
-void wxTextCtrl::SetSelection(long from, long to)
-{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ CHARRANGE range;
+ range.cpMin = from;
+ range.cpMax = to;
+ SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
+ }
- // if from and to are both -1, it means (in wxWindows) that all text should
- // be selected. Translate into Windows convention
- if ((from == -1) && (to == -1))
+ if ( scrollCaret )
{
- fromChar = 0;
- toChar = -1;
+ SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
}
+#else // Win16
+ // WPARAM is 0: selection is scrolled into view
+ SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to));
+#endif // Win32/16
+}
+
+// ----------------------------------------------------------------------------
+// Editing
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Replace(long from, long to, const wxString& value)
+{
+ // Set selection and remove it
+ DoSetSelection(from, to, FALSE /* don't scroll caret into view */);
+ SendMessage(GetHwnd(), EM_REPLACESEL,
#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ TRUE,
#else
- // WPARAM is 0: selection is scrolled into view
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
+ FALSE,
#endif
+ (LPARAM)value.c_str());
+}
+
+void wxTextCtrl::Remove(long from, long to)
+{
+ Replace(from, to, _T(""));
}
bool wxTextCtrl::LoadFile(const wxString& file)
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 ( m_isRich )
+ 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;
}
// ----------------------------------------------------------------------------
wxColour colBack = GetBackgroundColour();
if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0)
- colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+ colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
::SetBkColor(hdc, wxColourToRGB(colBack));
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
#if wxUSE_CTL3D
if (m_useCtl3D)
- col = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW);
+ col = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
#endif
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"));
::SetMapMode(hdc, mode);
}
-#endif
+#endif // Win16
bool wxTextCtrl::AdjustSpaceLimit()
{
limit = len + 0x8000; // 32Kb
#if wxUSE_RICHEDIT
- if ( m_isRich )
+ if ( IsRich() )
{
// as a nice side effect, this also allows passing limit > 64Kb
::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
// 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
bool changeSel = start != startOld || end != endOld;
if ( changeSel )
- SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end);
+ {
+ DoSetSelection(start, end, FALSE /* don't scroll caret into view */);
+ }
// initialize CHARFORMAT struct
#if wxUSE_RICHEDIT2
#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() )
{
+ // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
+ // but using it doesn't seem to hurt neither so leaving it for now
+
cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
}
#if wxUSE_RICHEDIT2
- if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() )
+ if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
{
cf.dwMask |= CFM_BACKCOLOR;
cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
if ( changeSel )
{
// restore the original selection
- SendMessage(GetHwnd(), EM_SETSEL, (WPARAM)startOld, (LPARAM)endOld);
+ DoSetSelection(startOld, endOld, FALSE);
}
return ok;
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] == (HINSTANCE)-1 )
{
- // we've already got this or better
- return TRUE;
+ // we had already tried to load it and failed
+ return FALSE;
}
- if ( ms_hRichEdit )
+ if ( ms_hRichEdit[version] )
{
- ::FreeLibrary(ms_hRichEdit);
+ // we've already got this one
+ return TRUE;
}
- // 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 / blobdiff