X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aac7e7fe7be275176ef78258d703a734550a0343..20ea6894a2660c453c3255a66aa9f7e24cf97ec8:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index b8b44e6c6d..3824a797f4 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -91,6 +91,15 @@ } 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 // ---------------------------------------------------------------------------- @@ -107,31 +116,24 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) #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) @@ -193,86 +195,70 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if ( parent ) parent->AddChild(this); - // translate wxWin style flags to MSW ones, checking for consistency while - // doing it - long msStyle = ES_LEFT | WS_TABSTOP; + // translate wxWin style flags to MSW ones + WXDWORD msStyle = MSWGetCreateWindowFlags(); - if ( m_windowStyle & wxCLIP_SIBLINGS ) - msStyle |= WS_CLIPSIBLINGS; + // do create the control - either an EDIT or RICHEDIT + wxString windowClass = wxT("EDIT"); - if ( m_windowStyle & wxTE_MULTILINE ) +#if wxUSE_RICHEDIT + if ( m_windowStyle & wxTE_AUTO_URL ) { - wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), - wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); - - msStyle |= ES_MULTILINE | ES_WANTRETURN; - if ((m_windowStyle & wxTE_NO_VSCROLL) == 0) - msStyle |= WS_VSCROLL; - m_windowStyle |= wxTE_PROCESS_ENTER; + // automatic URL detection only works in RichEdit 2.0+ + m_windowStyle |= wxTE_RICH2; } - else // !multiline + + if ( m_windowStyle & wxTE_RICH2 ) { - // there is really no reason to not have this style for single line - // text controls - msStyle |= ES_AUTOHSCROLL; + // using richedit 2.0 implies using wxTE_RICH + m_windowStyle |= wxTE_RICH; } - if ( m_windowStyle & wxHSCROLL ) - msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; - - if ( m_windowStyle & wxTE_READONLY ) - msStyle |= ES_READONLY; - - if ( m_windowStyle & wxTE_PASSWORD ) - msStyle |= ES_PASSWORD; - - if ( m_windowStyle & wxTE_AUTO_SCROLL ) - msStyle |= ES_AUTOHSCROLL; - - if ( m_windowStyle & wxTE_NOHIDESEL ) - msStyle |= ES_NOHIDESEL; - - // we always want the characters and the arrows - m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; - - // we may have several different cases: - // 1. normal case: both TAB and ENTER are used for dialog navigation - // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next - // control in the dialog - // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation - // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to - // the next control - if ( m_windowStyle & wxTE_PROCESS_ENTER ) - m_lDlgCode |= DLGC_WANTMESSAGE; - if ( m_windowStyle & wxTE_PROCESS_TAB ) - m_lDlgCode |= DLGC_WANTTAB; - - // do create the control - either an EDIT or RICHEDIT - wxString windowClass = wxT("EDIT"); - -#if wxUSE_RICHEDIT + // 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; + } } } + // 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"); @@ -309,15 +295,22 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, 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 ( IsRich() ) { - // have to enable events manually - LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE; + // enable the events we're interested in: we want to get EN_CHANGE and + // EN_UPDATE as for the normal controls + LPARAM mask = ENM_CHANGE | ENM_UPDATE; - if ( m_windowStyle & wxTE_AUTO_URL ) + if ( GetRichVersion() == 1 ) + { + // we also need EN_MSGFILTER for richedit 1.0 for the reasons + // explained in its handler + mask |= ENM_MOUSEEVENTS; + } + else if ( m_windowStyle & wxTE_AUTO_URL ) { mask |= ENM_LINK; @@ -369,55 +362,151 @@ void wxTextCtrl::AdoptAttributesFromHWND() m_windowStyle |= wxTE_PROCESS_ENTER; } +WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + // default border for the text controls is the sunken one + if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) + { + style |= wxBORDER_SUNKEN; + } + + long msStyle = wxControl::MSWGetStyle(style, exstyle); + + // default styles + msStyle |= ES_LEFT; + + if ( style & wxTE_MULTILINE ) + { + wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER), + wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); + + msStyle |= ES_MULTILINE | ES_WANTRETURN; + if ( !(style & wxTE_NO_VSCROLL) ) + msStyle |= WS_VSCROLL; + + style |= wxTE_PROCESS_ENTER; + } + else // !multiline + { + // there is really no reason to not have this style for single line + // text controls + msStyle |= ES_AUTOHSCROLL; + } + + if ( style & wxHSCROLL ) + msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; + + if ( style & wxTE_READONLY ) + msStyle |= ES_READONLY; + + if ( style & wxTE_PASSWORD ) + msStyle |= ES_PASSWORD; + + if ( style & wxTE_AUTO_SCROLL ) + msStyle |= ES_AUTOHSCROLL; + + if ( style & wxTE_NOHIDESEL ) + msStyle |= ES_NOHIDESEL; + + return msStyle; +} + +void wxTextCtrl::SetWindowStyleFlag(long style) +{ +#if wxUSE_RICHEDIT + // we have to deal with some styles separately because they can't be + // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed + // using richedit-specific EM_SETOPTIONS + if ( IsRich() && + ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) ) + { + bool set = (style & wxTE_NOHIDESEL) != 0; + + ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND, + set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL); + } +#endif // wxUSE_RICHEDIT + + wxControl::SetWindowStyleFlag(style); +} + // ---------------------------------------------------------------------------- // set/get the controls text // ---------------------------------------------------------------------------- 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()); + + // 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 - // same one as above for consitency - wxString str = wxGetWindowText(GetHWND()); + // 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) @@ -428,15 +517,18 @@ void wxTextCtrl::SetValue(const wxString& value) // edit controls mostly) if ( (value.length() > 0x400) || (value != GetValue()) ) { - // it is simpler to do this but it could be more efficient to reproduce - // WriteText() logic here - Clear(); + DoWriteText(value, FALSE /* not selection only */); - WriteText(value); + // mark the control as being not dirty - we changed its text, not the + // user + DiscardEdits(); + + // for compatibility, don't move the cursor when doing SetValue() + SetInsertionPoint(0); } } -#if wxUSE_RICHEDIT +#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU) DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) { @@ -457,9 +549,18 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) return 0; } -extern long wxEncodingToCodepage(wxFontEncoding encoding); // from strconv.cpp +extern long wxEncodingToCodepage(wxFontEncoding encoding); // from utils.cpp -bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding encoding) +#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 @@ -475,30 +576,42 @@ bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding encoding) // 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 *)wchBuf.data(), len) ) + (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; - eds.pfnCallback = wxRichEditStreamIn; + // the cast below is needed for broken (very) old mingw32 headers + eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn; if ( !::SendMessage(GetHwnd(), EM_STREAMIN, - SF_TEXT | SF_UNICODE | SFF_SELECTION, + SF_TEXT | + SF_UNICODE | + (selectionOnly ? SFF_SELECTION : 0), (LPARAM)&eds) || eds.dwError ) { wxLogLastError(_T("EM_STREAMIN")); - - return FALSE; } +#if !wxUSE_WCHAR_T + free(wchBuf); +#endif // !wxUSE_WCHAR_T + return TRUE; } @@ -506,7 +619,16 @@ bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding encoding) 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 // there are several complications with the rich edit controls here @@ -518,9 +640,19 @@ void wxTextCtrl::WriteText(const wxString& value) { long start, end; GetSelection(&start, &end); - SetStyle(start, end, m_defaultStyle ); + 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 ( wxUsingUnicowsDll() && 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 ) @@ -534,15 +666,24 @@ void wxTextCtrl::WriteText(const wxString& value) wxFontEncoding encoding = font.GetEncoding(); if ( encoding != wxFONTENCODING_SYSTEM ) { - done = StreamIn(valueDos, encoding); + done = StreamIn(valueDos, encoding, selectionOnly); } } } +#endif // !wxUSE_UNICODE } if ( !done ) #endif // wxUSE_RICHEDIT { + if ( !selectionOnly ) + { + //SetSelection(-1, -1); + // This eliminates an annoying flashing effect + // when replacing all text. + Clear(); + } + ::SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str()); } @@ -561,6 +702,25 @@ void wxTextCtrl::Clear() ::SetWindowText(GetHwnd(), wxT("")); } +#ifdef __WIN32__ + +bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event) +{ + SetFocus(); + + size_t lenOld = GetValue().length(); + + wxUint32 code = event.GetRawKeyCode(); + ::keybd_event(code, 0, 0 /* key press */, 0); + ::keybd_event(code, 0, KEYEVENTF_KEYUP, 0); + + // assume that any alphanumeric key changes the total number of characters + // in the control - this should work in 99% of cases + return GetValue().length() != lenOld; +} + +#endif // __WIN32__ + // ---------------------------------------------------------------------------- // Clipboard operations // ---------------------------------------------------------------------------- @@ -569,8 +729,7 @@ void wxTextCtrl::Copy() { if (CanCopy()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_COPY, 0, 0L); + ::SendMessage(GetHwnd(), WM_COPY, 0, 0L); } } @@ -578,8 +737,7 @@ void wxTextCtrl::Cut() { if (CanCut()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_CUT, 0, 0L); + ::SendMessage(GetHwnd(), WM_CUT, 0, 0L); } } @@ -587,8 +745,7 @@ void wxTextCtrl::Paste() { if (CanPaste()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_PASTE, 0, 0L); + ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L); } } @@ -596,16 +753,13 @@ bool wxTextCtrl::CanCopy() const { // 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 @@ -644,20 +798,25 @@ void wxTextCtrl::SetEditable(bool editable) void wxTextCtrl::SetInsertionPoint(long pos) { - SetSelection(pos, pos); + DoSetSelection(pos, pos); +} + +void wxTextCtrl::SetInsertionPointEnd() +{ + long pos; #if wxUSE_RICHEDIT - if ( !IsRich() ) -#endif + if ( m_verRichEdit == 1 ) { - static const wxChar *nothing = _T(""); - SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)nothing); + // we don't have to waste time calling GetLastPosition() in this case + pos = -1; + } + else // !RichEdit 1.0 +#endif // wxUSE_RICHEDIT + { + pos = GetLastPosition(); } -} -void wxTextCtrl::SetInsertionPointEnd() -{ - long pos = GetLastPosition(); SetInsertionPoint(pos); } @@ -680,19 +839,12 @@ long wxTextCtrl::GetInsertionPoint() const 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 @@ -719,39 +871,17 @@ void wxTextCtrl::GetSelection(long* from, long* to) const } } -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 { + // strangely enough, we may be called before the control is created: our + // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls + // us + if ( !m_hWnd ) + return TRUE; + long style = ::GetWindowLong(GetHwnd(), GWL_STYLE); - return ((style & ES_READONLY) == 0); + return (style & ES_READONLY) == 0; } // ---------------------------------------------------------------------------- @@ -759,11 +889,6 @@ bool wxTextCtrl::IsEditable() const // ---------------------------------------------------------------------------- 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 @@ -773,6 +898,11 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) to = -1; } + DoSetSelection(from, to); +} + +void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) +{ HWND hWnd = GetHwnd(); #ifdef __WIN32__ @@ -807,7 +937,7 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) void wxTextCtrl::Replace(long from, long to, const wxString& value) { // Set selection and remove it - DoSetSelection(from, to, FALSE); + DoSetSelection(from, to, FALSE /* don't scroll caret into view */); SendMessage(GetHwnd(), EM_REPLACESEL, #ifdef __WIN32__ @@ -838,7 +968,7 @@ 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' @@ -854,11 +984,10 @@ int wxTextCtrl::GetNumberOfLines() const 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 @@ -866,15 +995,17 @@ 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 ) { @@ -883,7 +1014,7 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const } // 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; @@ -891,9 +1022,9 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const // 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; } @@ -923,11 +1054,16 @@ void wxTextCtrl::ShowPosition(long pos) (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 @@ -978,12 +1114,12 @@ void wxTextCtrl::Redo() 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; } // ---------------------------------------------------------------------------- @@ -1018,7 +1154,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) // usual preprocessing for them if ( msg->message == WM_KEYDOWN ) { - WORD vkey = msg->wParam; + WORD vkey = (WORD) msg->wParam; if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN ) { if ( vkey == VK_BACK ) @@ -1089,6 +1225,41 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) event.Skip(); } +long wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ + long lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); + + if ( nMsg == WM_GETDLGCODE ) + { + // we always want the chars and the arrows + long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; + + // we may have several different cases: + // 1. normal case: both TAB and ENTER are used for dialog navigation + // 2. ctrl which wants TAB for itself: ENTER is used to pass to the + // next control in the dialog + // 3. ctrl which wants ENTER for itself: TAB is used for dialog + // navigation + // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass + // to the next control + + // the multiline edit control should always get for itself + if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) ) + lDlgCode |= DLGC_WANTMESSAGE; + + if ( HasFlag(wxTE_PROCESS_TAB) ) + lDlgCode |= DLGC_WANTTAB; + + lRc |= lDlgCode; + } + + return lRc; +} + +// ---------------------------------------------------------------------------- +// text control event processing +// ---------------------------------------------------------------------------- + bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { switch (param) @@ -1130,6 +1301,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_HSCROLL: case EN_VSCROLL: return FALSE; + default: return FALSE; } @@ -1167,7 +1339,7 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE 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())); @@ -1186,15 +1358,13 @@ void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) #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")); @@ -1347,74 +1517,100 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { NMHDR *hdr = (NMHDR* )lParam; - if ( hdr->code == EN_LINK ) + switch ( hdr->code ) { - ENLINK *enlink = (ENLINK *)hdr; - - switch ( enlink->msg ) - { - case WM_SETCURSOR: - // ok, so it is hardcoded - do we really nee to customize it? - ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND))); - *result = TRUE; - break; - - case WM_MOUSEMOVE: - case WM_LBUTTONDOWN: - case WM_LBUTTONUP: - case WM_LBUTTONDBLCLK: - case WM_RBUTTONDOWN: - case WM_RBUTTONUP: - case WM_RBUTTONDBLCLK: - // send a mouse event + case EN_MSGFILTER: + { + const MSGFILTER *msgf = (MSGFILTER *)lParam; + UINT msg = msgf->msg; + + // this is a bit crazy but richedit 1.0 sends us all mouse + // events _except_ WM_LBUTTONUP (don't ask me why) so we have + // generate the wxWin events for this message manually + // + // NB: in fact, this is still not totally correct as it does + // send us WM_LBUTTONUP if the selection was cleared by the + // last click -- so currently we get 2 events in this case, + // but as I don't see any obvious way to check for this I + // leave this code in place because it's still better than + // not getting left up events at all + if ( msg == WM_LBUTTONUP ) { - static const wxEventType eventsMouse[] = - { - wxEVT_MOTION, - wxEVT_LEFT_DOWN, - wxEVT_LEFT_UP, - wxEVT_LEFT_DCLICK, - wxEVT_RIGHT_DOWN, - wxEVT_RIGHT_UP, - wxEVT_RIGHT_DCLICK, - }; - - // the event ids are consecutive - wxMouseEvent - evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]); - - InitMouseEvent(evtMouse, - GET_X_LPARAM(enlink->lParam), - GET_Y_LPARAM(enlink->lParam), - enlink->wParam); - - wxTextUrlEvent event(m_windowId, evtMouse, - enlink->chrg.cpMin, - enlink->chrg.cpMax); - - InitCommandEvent(event); - - *result = ProcessCommand(event); + WXUINT flags = msgf->wParam; + int x = GET_X_LPARAM(msgf->lParam), + y = GET_Y_LPARAM(msgf->lParam); + + HandleMouseEvent(msg, x, y, flags); } - break; - } + } - return TRUE; + // return TRUE to process the event (and FALSE to ignore it) + return TRUE; + + case EN_LINK: + { + const ENLINK *enlink = (ENLINK *)hdr; + + switch ( enlink->msg ) + { + case WM_SETCURSOR: + // ok, so it is hardcoded - do we really nee to + // customize it? + ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND))); + *result = TRUE; + break; + + case WM_MOUSEMOVE: + case WM_LBUTTONDOWN: + case WM_LBUTTONUP: + case WM_LBUTTONDBLCLK: + case WM_RBUTTONDOWN: + case WM_RBUTTONUP: + case WM_RBUTTONDBLCLK: + // send a mouse event + { + static const wxEventType eventsMouse[] = + { + wxEVT_MOTION, + wxEVT_LEFT_DOWN, + wxEVT_LEFT_UP, + wxEVT_LEFT_DCLICK, + wxEVT_RIGHT_DOWN, + wxEVT_RIGHT_UP, + wxEVT_RIGHT_DCLICK, + }; + + // the event ids are consecutive + wxMouseEvent + evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]); + + InitMouseEvent(evtMouse, + GET_X_LPARAM(enlink->lParam), + GET_Y_LPARAM(enlink->lParam), + enlink->wParam); + + wxTextUrlEvent event(m_windowId, evtMouse, + enlink->chrg.cpMin, + enlink->chrg.cpMax); + + InitCommandEvent(event); + + *result = ProcessCommand(event); + } + break; + } + } + return TRUE; } - // not processed - return FALSE; + // not processed, leave it to the base class + return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result); } // ---------------------------------------------------------------------------- // 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) ) @@ -1467,10 +1663,9 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) 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 @@ -1495,7 +1690,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) if ( changeSel ) { - DoSetSelection(start, end, FALSE); + DoSetSelection(start, end, FALSE /* don't scroll caret into view */); } // initialize CHARFORMAT struct @@ -1504,8 +1699,23 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) #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() ) { @@ -1554,7 +1764,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) } #if wxUSE_RICHEDIT2 - if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() ) + if ( m_verRichEdit != 1 && style.HasBackgroundColour() ) { cf.dwMask |= CFM_BACKCOLOR; cf.crBackColor = wxColourToRGB(style.GetBackgroundColour()); @@ -1590,48 +1800,48 @@ bool wxRichEditModule::OnInit() void wxRichEditModule::OnExit() { - if ( ms_hRichEdit ) + for ( size_t 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; }