X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cfdd3a98d8b374351ab2ed8f48a155fa52f52c74..a111f2b216a90bacb254644d3cae526eddc9f9f1:/src/msw/textctrl.cpp?ds=sidebyside diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index c4e85c8f19..0de8b105d5 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -28,6 +28,8 @@ #pragma hdrstop #endif +#if wxUSE_TEXTCTRL + #ifndef WX_PRECOMP #include "wx/textctrl.h" #include "wx/settings.h" @@ -38,6 +40,8 @@ #include "wx/app.h" #endif +#include "wx/module.h" + #if wxUSE_CLIPBOARD #include "wx/clipbrd.h" #endif @@ -52,16 +56,41 @@ #include #include -#if wxUSE_IOSTREAMH -# include -#else -# include +#if wxUSE_RICHEDIT && (!defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)) + #include #endif -#if wxUSE_RICHEDIT && !defined(__GNUWIN32_OLD__) - #include +// old mingw32 doesn't define this +#ifndef CFM_CHARSET + #define CFM_CHARSET 0x08000000 +#endif // CFM_CHARSET + +#ifndef CFM_BACKCOLOR + #define CFM_BACKCOLOR 0x04000000 +#endif + +// cygwin does not have these defined for richedit +#ifndef ENM_LINK + #define ENM_LINK 0x04000000 +#endif + +#ifndef EM_AUTOURLDETECT + #define EM_AUTOURLDETECT (WM_USER + 91) #endif +#ifndef EN_LINK + #define EN_LINK 0x070b + + typedef struct _enlink + { + NMHDR nmhdr; + UINT msg; + WPARAM wParam; + LPARAM lParam; + CHARRANGE chrg; + } ENLINK; +#endif // ENLINK + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -119,9 +148,11 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) +#ifdef __WIN16__ + EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) +#endif END_EVENT_TABLE() - // ============================================================================ // implementation // ============================================================================ @@ -155,11 +186,14 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // translate wxWin style flags to MSW ones, checking for consistency while // doing it long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + msStyle |= WS_CLIPSIBLINGS; + if ( m_windowStyle & wxTE_MULTILINE ) { wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), - wxT("wxTE_PROCESS_ENTER style is ignored for multiline " - "text controls (they always process it)") ); + 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) @@ -212,9 +246,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // done) if ( !wxRichEditModule::Load() ) { - wxLogError(_("Impossible to create a rich edit control, " - "using simple text control instead. Please " - "reinstall riched32.dll")); + wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); s_errorGiven = TRUE; } @@ -227,6 +259,11 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, else { msStyle |= ES_AUTOVSCROLL; + // Experimental: this seems to help with the scroll problem. See messages from Jekabs Andrushaitis + // 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(); @@ -288,11 +325,19 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, #if wxUSE_RICHEDIT if (m_isRich) { - // Have to enable events - ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, - ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE); + // have to enable events manually + LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE; + + if ( m_windowStyle & wxTE_AUTO_URL ) + { + mask |= ENM_LINK; + + ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0); + } + + ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask); } -#endif +#endif // wxUSE_RICHEDIT SubclassWin(GetHWND()); @@ -356,10 +401,10 @@ void wxTextCtrl::AdoptAttributesFromHWND() void wxTextCtrl::SetupColours() { wxColour bkgndColour; - if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) +// if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW); - else - bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); +// else +// bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); SetBackgroundColour(bkgndColour); SetForegroundColour(GetParent()->GetForegroundColour()); @@ -376,29 +421,34 @@ wxString wxTextCtrl::GetValue() const #if wxUSE_RICHEDIT if ( m_isRich ) { - int len = GetWindowTextLength(GetHwnd()) + 1; - wxString str; - wxChar *p = str.GetWriteBuf(len); - TEXTRANGE textRange; - textRange.chrg.cpMin = 0; - textRange.chrg.cpMax = -1; - textRange.lpstrText = p; + int len = GetWindowTextLength(GetHwnd()); + if ( len ) + { + // alloc one extra WORD as needed by the control + wxChar *p = str.GetWriteBuf(++len); - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + TEXTRANGE textRange; + textRange.chrg.cpMin = 0; + textRange.chrg.cpMax = -1; + textRange.lpstrText = p; - // 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 ( *p == _T('\r') ) - *p = _T('\n'); - } + (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); - str.UngetWriteBuf(); + // 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 ( *p == _T('\r') ) + *p = _T('\n'); + } + + str.UngetWriteBuf(); + } + //else: no text at all, leave the string empty return str; } @@ -420,9 +470,17 @@ void wxTextCtrl::SetValue(const wxString& value) if ( (value.length() > 0x400) || (value != GetValue()) ) { wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); - + SetWindowText(GetHwnd(), valueDos.c_str()); + // for compatibility with the GTK and because it is more logical, we + // move the cursor to the end of the text after SetValue() + + // 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(); + AdjustSpaceLimit(); } } @@ -431,6 +489,17 @@ void wxTextCtrl::WriteText(const wxString& value) { wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); +#if wxUSE_RICHEDIT + // ensure that the new text will be in the default style + if ( IsRich() && + (m_defaultStyle.HasFont() || m_defaultStyle.HasTextColour()) ) + { + long start, end; + GetSelection(&start, &end); + SetStyle(start, end, m_defaultStyle ); + } +#endif // wxUSE_RICHEDIT + SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str()); AdjustSpaceLimit(); @@ -483,7 +552,7 @@ bool wxTextCtrl::CanCopy() const // Can copy if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) ; } bool wxTextCtrl::CanCut() const @@ -491,7 +560,7 @@ bool wxTextCtrl::CanCut() const // Can cut if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) && (IsEditable()); } bool wxTextCtrl::CanPaste() const @@ -523,16 +592,8 @@ bool wxTextCtrl::CanPaste() const void wxTextCtrl::SetEditable(bool editable) { - bool isEditable = IsEditable(); - HWND hWnd = GetHwnd(); SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); - - if (editable != isEditable) - { - SetupColours(); - Refresh(); - } } void wxTextCtrl::SetInsertionPoint(long pos) @@ -558,8 +619,13 @@ void wxTextCtrl::SetInsertionPoint(long pos) SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos)); #endif // Win32/16 - static const char *nothing = ""; - SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); +#if wxUSE_RICHEDIT + if ( !m_isRich) +#endif + { + static const wxChar *nothing = _T(""); + SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); + } } void wxTextCtrl::SetInsertionPointEnd() @@ -614,18 +680,19 @@ void wxTextCtrl::GetSelection(long* from, long* to) const *from = charRange.cpMin; *to = charRange.cpMax; - - return; } -#endif - DWORD dwStart, dwEnd; - WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position - LPARAM lParam = (LPARAM) (DWORD*) & dwEnd; // receives ending position + else +#endif // rich/!rich + { + 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, lParam); - *from = dwStart; - *to = dwEnd; + *from = dwStart; + *to = dwEnd; + } } bool wxTextCtrl::IsEditable() const @@ -641,7 +708,6 @@ bool wxTextCtrl::IsEditable() const void wxTextCtrl::Replace(long from, long to, const wxString& value) { -#if wxUSE_CLIPBOARD HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; @@ -649,18 +715,10 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value) // 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)); -#endif - SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); - - // Now replace with 'value', by pasting. - wxSetClipboardData(wxDF_TEXT, (wxObject *) (const wxChar *)value, 0, 0); - - // Paste into edit control - SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L); -#else - wxFAIL_MSG("wxTextCtrl::Replace not implemented if wxUSE_CLIPBOARD is 0."); + SendMessage(hWnd, EM_REPLACESEL, (WPARAM)0, (LPARAM)value.c_str()); #endif } @@ -673,10 +731,11 @@ void wxTextCtrl::Remove(long from, long 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 - SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); } void wxTextCtrl::SetSelection(long from, long to) @@ -811,28 +870,29 @@ int wxTextCtrl::GetLineLength(long lineNo) const wxString wxTextCtrl::GetLineText(long lineNo) const { - // TODO this should probably be optimized by using GetWriteBuf() - size_t len = (size_t)GetLineLength(lineNo) + 1; - if ( len < sizeof(WORD) ) - { - // there must be at least enough place for the length WORD in the - // buffer - len += sizeof(WORD); - } - char *buf = (char *)malloc(len); - *(WORD *)buf = len; - int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - buf[noChars] = 0; + // there must be at least enough place for the length WORD in the + // buffer + len += sizeof(WORD); - wxString str(buf); + wxString str; + wxChar *buf = str.GetWriteBuf(len); - free(buf); + *(WORD *)buf = (WORD)len; + len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); + buf[len] = 0; + + str.UngetWriteBuf(len); return str; } +void wxTextCtrl::SetMaxLength(unsigned long len) +{ + ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0); +} + // ---------------------------------------------------------------------------- // Undo/redo // ---------------------------------------------------------------------------- @@ -883,6 +943,52 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event) } } +// ---------------------------------------------------------------------------- +// kbd input processing +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) +{ + MSG *msg = (MSG *)pMsg; + + // check for our special keys here: if we don't do it and the parent frame + // uses them as accelerators, they wouldn't work at all, so we disable + // usual preprocessing for them + if ( msg->message == WM_KEYDOWN ) + { + WORD vkey = msg->wParam; + if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN ) + { + if ( vkey == VK_BACK ) + return FALSE; + } + else // no Alt + { + if ( wxIsCtrlDown() ) + { + switch ( vkey ) + { + case 'C': + case 'V': + case 'X': + case VK_INSERT: + case VK_DELETE: + case VK_HOME: + case VK_END: + return FALSE; + } + } + else if ( wxIsShiftDown() ) + { + if ( vkey == VK_INSERT || vkey == VK_DELETE ) + return FALSE; + } + } + } + + return wxControl::MSWShouldPreProcessMessage(pMsg); +} + void wxTextCtrl::OnChar(wxKeyEvent& event) { switch ( event.KeyCode() ) @@ -892,6 +998,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); + event.SetString(GetValue()); if ( GetEventHandler()->ProcessEvent(event) ) return; } @@ -928,8 +1035,8 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_KILLFOCUS: { wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS - : wxEVT_SET_FOCUS, - m_windowId); + : wxEVT_SET_FOCUS, + m_windowId); event.SetEventObject( this ); GetEventHandler()->ProcessEvent(event); } @@ -946,7 +1053,13 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_MAXTEXT: // the text size limit has been hit - increase it - AdjustSpaceLimit(); + if ( !AdjustSpaceLimit() ) + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId); + InitCommandEvent(event); + event.SetString(GetValue()); + ProcessCommand(event); + } break; // the other notification messages are not processed @@ -954,6 +1067,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_ERRSPACE: case EN_HSCROLL: case EN_VSCROLL: + return FALSE; default: return FALSE; } @@ -962,11 +1076,99 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) return TRUE; } -void wxTextCtrl::AdjustSpaceLimit() +WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), +#if wxUSE_CTL3D + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam +#else + WXUINT WXUNUSED(message), + WXWPARAM WXUNUSED(wParam), + WXLPARAM WXUNUSED(lParam) +#endif + ) +{ +#if wxUSE_CTL3D + if ( m_useCtl3D ) + { + HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + return (WXHBRUSH) hbrush; + } +#endif // wxUSE_CTL3D + + HDC hdc = (HDC)pDC; + if (GetParent()->GetTransparentBackground()) + SetBkMode(hdc, TRANSPARENT); + else + SetBkMode(hdc, OPAQUE); + + wxColour colBack = GetBackgroundColour(); + + if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0) + colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + + ::SetBkColor(hdc, wxColourToRGB(colBack)); + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); + + return (WXHBRUSH)brush->GetResourceHandle(); +} + +// In WIN16, need to override normal erasing because +// Ctl3D doesn't use the wxWindows background colour. +#ifdef __WIN16__ +void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) +{ + wxColour col(m_backgroundColour); + +#if wxUSE_CTL3D + if (m_useCtl3D) + col = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW); +#endif + + RECT rect; + ::GetClientRect(GetHwnd(), &rect); + + COLORREF ref = PALETTERGB(col.Red(), + col.Green(), + col.Blue()); + HBRUSH hBrush = ::CreateSolidBrush(ref); + if ( !hBrush ) + wxLogLastError(wxT("CreateSolidBrush")); + + HDC hdc = (HDC)event.GetDC()->GetHDC(); + + int mode = ::SetMapMode(hdc, MM_TEXT); + + ::FillRect(hdc, &rect, hBrush); + ::DeleteObject(hBrush); + ::SetMapMode(hdc, mode); + +} +#endif + +bool wxTextCtrl::AdjustSpaceLimit() { #ifndef __WIN16__ - unsigned int len = ::GetWindowTextLength(GetHwnd()), - limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); + unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); + + // HACK: we try to automatically extend the limit for the amount of text + // to allow (interactively) entering more than 64Kb of text under + // Win9x but we shouldn't reset the text limit which was previously + // set explicitly with SetMaxLength() + // + // we could solve this by storing the limit we set in wxTextCtrl but + // to save space we prefer to simply test here the actual limit + // value: we consider that SetMaxLength() can only be called for + // values < 32Kb + if ( limit < 0x8000 ) + { + // we've got more text than limit set by SetMaxLength() + return FALSE; + } + + unsigned int len = ::GetWindowTextLength(GetHwnd()); if ( len >= limit ) { limit = len + 0x8000; // 32Kb @@ -991,6 +1193,9 @@ void wxTextCtrl::AdjustSpaceLimit() } } #endif // !Win16 + + // we changed the limit + return TRUE; } bool wxTextCtrl::AcceptsFocus() const @@ -1009,7 +1214,7 @@ wxSize wxTextCtrl::DoGetBestSize() const int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); if ( m_windowStyle & wxTE_MULTILINE ) { - hText *= wxMin(GetNumberOfLines(), 5); + hText *= wxMax(GetNumberOfLines(), 5); } //else: for single line control everything is ok @@ -1070,11 +1275,245 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) event.Enable( CanRedo() ); } +// the rest of the file only deals with the rich edit controls +#if wxUSE_RICHEDIT + // ---------------------------------------------------------------------------- -// wxRichEditModule +// EN_LINK processing // ---------------------------------------------------------------------------- -#if wxUSE_RICHEDIT +bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) +{ + NMHDR *hdr = (NMHDR* )lParam; + if ( hdr->code == EN_LINK ) + { + 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; +} + +// ---------------------------------------------------------------------------- +// 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) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // rich edit doesn't use WM_CTLCOLOR, hence we need to send + // EM_SETBKGNDCOLOR additionally + ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour)); + } + + return TRUE; +} + +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) +{ + if ( !wxTextCtrlBase::SetForegroundColour(colour) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // change the colour of everything + CHARFORMAT cf; + wxZeroMemory(cf); + cf.cbSize = sizeof(cf); + cf.dwMask = CFM_COLOR; + cf.crTextColor = wxColourToRGB(colour); + ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf); + } + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// styling support for rich edit controls +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) +{ + if ( !IsRich() ) + { + // can't do it with normal text control + 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() ) + { + // nothing to do: return TRUE if there was really nothing to do and + // FALSE if we failed to set bg colour + return !style.HasBackgroundColour(); + } + + // order the range if needed + if ( start > end ) + { + long tmp = start; + start = end; + end = tmp; + } + + // we can only change the format of the selection, so select the range we + // want and restore the old selection later + long startOld, endOld; + GetSelection(&startOld, &endOld); + + // but do we really have to change the selection? + bool changeSel = start != startOld || end != endOld; + + if ( changeSel ) + SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end); + + // initialize CHARFORMAT struct +#if wxUSE_RICHEDIT2 + CHARFORMAT2 cf; +#else + CHARFORMAT cf; +#endif + wxZeroMemory(cf); + cf.cbSize = sizeof(cf); + + if ( style.HasFont() ) + { + cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET | + CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE; + + // fill in data from LOGFONT but recalculate lfHeight because we need + // the real height in twips and not the negative number which + // wxFillLogFont() returns (this is correct in general and works with + // the Windows font mapper, but not here) + LOGFONT lf; + wxFillLogFont(&lf, &style.GetFont()); + cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips + cf.bCharSet = lf.lfCharSet; + cf.bPitchAndFamily = lf.lfPitchAndFamily; + wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) ); + + // also deal with underline/italic/bold attributes: note that we must + // always set CFM_ITALIC &c bits in dwMask, even if we don't set the + // style to allow clearing it + if ( lf.lfItalic ) + { + cf.dwEffects |= CFE_ITALIC; + } + + if ( lf.lfWeight == FW_BOLD ) + { + cf.dwEffects |= CFE_BOLD; + } + + if ( lf.lfUnderline ) + { + cf.dwEffects |= CFE_UNDERLINE; + } + + // strikeout fonts are not supported by wxWindows + } + + if ( style.HasTextColour() ) + { + cf.dwMask |= CFM_COLOR; + cf.crTextColor = wxColourToRGB(style.GetTextColour()); + } + +#if wxUSE_RICHEDIT2 + if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() ) + { + cf.dwMask |= CFM_BACKCOLOR; + cf.crBackColor = wxColourToRGB(style.GetBackgroundColour()); + } +#endif // wxUSE_RICHEDIT2 + + // do format the selection + bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, + SCF_SELECTION, (LPARAM)&cf) != 0; + if ( !ok ) + { + wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed")); + } + + if ( changeSel ) + { + // restore the original selection + SendMessage(GetHwnd(), EM_SETSEL, (WPARAM)startOld, (LPARAM)endOld); + } + + return ok; +} + +// ---------------------------------------------------------------------------- +// wxRichEditModule +// ---------------------------------------------------------------------------- bool wxRichEditModule::OnInit() { @@ -1135,3 +1574,4 @@ bool wxRichEditModule::Load(int version) #endif // wxUSE_RICHEDIT +#endif // wxUSE_TEXTCTRL