X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/57c208c5759da71a637f0f0f5b7d3dc3eda09c02..7c5457867870a0a33951def66373f5a76ec3ae4a:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 17cd5ae0c6..db6f5009c4 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -39,12 +39,9 @@ #include #if wxUSE_IOSTREAMH -#include +# include #else -#include -# ifdef _MSC_VER - using namespace std; -# endif +# include #endif #include @@ -66,35 +63,42 @@ #include -#if defined(__WIN95__) && !defined(__TWIN32__) -#define wxUSE_RICHEDIT 1 -#else -#define wxUSE_RICHEDIT 0 -#endif - #if wxUSE_RICHEDIT && !defined(__GNUWIN32__) -#include + #include #endif #if !USE_SHARED_LIBRARY + IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_CHAR(wxTextCtrl::OnChar) EVT_DROP_FILES(wxTextCtrl::OnDropFiles) - EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) + + EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) + EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) + EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) + EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) + EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) + + EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) + EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) + EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) + EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) END_EVENT_TABLE() -#endif +#endif // USE_SHARED_LIBRARY // Text item -wxTextCtrl::wxTextCtrl(void) +wxTextCtrl::wxTextCtrl() #ifndef NO_TEXT_WINDOW_STREAM - :streambuf() + : streambuf() #endif { - m_fileName = ""; +#if wxUSE_RICHEDIT m_isRich = FALSE; +#endif } bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, @@ -104,7 +108,6 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, const wxValidator& validator, const wxString& name) { - m_fileName = ""; SetName(name); SetValidator(validator); if (parent) parent->AddChild(this); @@ -128,24 +131,15 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, int width = size.x; int height = size.y; -#ifdef __WIN32__ - WXHGLOBAL m_globalHandle = 0; -#else - // Obscure method from the MS Developer's Network Disk for - // using global memory instead of the local heap, which - // runs out far too soon. Solves the problem with - // failing to appear. - - // Doesn't seem to work for Win95, so removing. - m_globalHandle=0; -// if ((wxGetOsVersion() != wxWINDOWS_NT) && (wxGetOsVersion() != wxWIN95)) -// m_globalHandle = (WXHGLOBAL) GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, -// 256L); -#endif - long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP; if (m_windowStyle & wxTE_MULTILINE) - msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER + { + wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), + _T("wxTE_PROCESS_ENTER style is ignored for multiline controls") ); + + msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER + m_windowStyle |= wxTE_PROCESS_ENTER; + } else msStyle |= ES_AUTOHSCROLL ; @@ -157,17 +151,33 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if (m_windowStyle & wxTE_PASSWORD) // hidden input msStyle |= ES_PASSWORD; - char *windowClass = "EDIT"; + // 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; + + const wxChar *windowClass = _T("EDIT"); + #if wxUSE_RICHEDIT if ( m_windowStyle & wxTE_MULTILINE ) { msStyle |= ES_AUTOVSCROLL; m_isRich = TRUE; - windowClass = "RichEdit" ; + windowClass = _T("RichEdit") ; } else -#endif m_isRich = FALSE; +#endif bool want3D; WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; @@ -177,8 +187,8 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, #if wxUSE_RICHEDIT if (m_windowStyle & wxSIMPLE_BORDER) { - windowClass = "EDIT"; - m_isRich = FALSE; + windowClass = _T("EDIT"); + m_isRich = FALSE; } #endif @@ -190,11 +200,11 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, m_hWnd = (WXHWND)::CreateWindowEx(exStyle, windowClass, NULL, msStyle, 0, 0, 0, 0, (HWND) ((wxWindow*)parent)->GetHWND(), (HMENU)m_windowId, - m_globalHandle ? (HINSTANCE) m_globalHandle : wxGetInstance(), NULL); + wxGetInstance(), NULL); - wxCHECK_MSG( m_hWnd, FALSE, "Failed to create text ctrl" ); + wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create text ctrl") ); -#if CTL3D +#if wxUSE_CTL3D if ( want3D ) { Ctl3dSubclassCtl((HWND)m_hWnd); @@ -236,14 +246,16 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, } // Make sure the window style (etc.) reflects the HWND style (roughly) -void wxTextCtrl::AdoptAttributesFromHWND(void) +void wxTextCtrl::AdoptAttributesFromHWND() { wxWindow::AdoptAttributesFromHWND(); - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long style = GetWindowLong((HWND) hWnd, GWL_STYLE); - char buf[256]; + // retrieve the style to see whether this is an edit or richedit ctrl +#if wxUSE_RICHEDIT + wxChar buf[256]; #ifndef __WIN32__ GetClassName((HWND) hWnd, buf, 256); @@ -262,10 +274,11 @@ void wxTextCtrl::AdoptAttributesFromHWND(void) wxString str(buf); str.UpperCase(); - if (str == "EDIT") + if (str == _T("EDIT")) m_isRich = FALSE; else m_isRich = TRUE; +#endif if (style & ES_MULTILINE) m_windowStyle |= wxTE_MULTILINE; @@ -277,20 +290,15 @@ void wxTextCtrl::AdoptAttributesFromHWND(void) m_windowStyle |= wxTE_PROCESS_ENTER; } -void wxTextCtrl::SetupColours(void) +void wxTextCtrl::SetupColours() { SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(GetParent()->GetForegroundColour()); } -wxString wxTextCtrl::GetValue(void) const +wxString wxTextCtrl::GetValue() const { - int length = GetWindowTextLength((HWND) GetHWND()); - char *s = new char[length+1]; - GetWindowText((HWND) GetHWND(), s, length+1); - wxString str(s); - delete[] s; - return str; + return wxGetWindowText(GetHWND()); } void wxTextCtrl::SetValue(const wxString& value) @@ -306,7 +314,7 @@ void wxTextCtrl::SetValue(const wxString& value) } if (singletons > 0) { - char *tmp = new char[len + singletons + 1]; + wxChar *tmp = new wxChar[len + singletons + 1]; int j = 0; for (i = 0; i < len; i ++) { @@ -319,14 +327,16 @@ void wxTextCtrl::SetValue(const wxString& value) j ++; } tmp[j] = 0; - SetWindowText((HWND) GetHWND(), tmp); + SetWindowText(GetHwnd(), tmp); delete[] tmp; } else - SetWindowText((HWND) GetHWND(), (const char *)value); + SetWindowText(GetHwnd(), (const wxChar *)value); + + AdjustSpaceLimit(); } -void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags) +void wxTextCtrl::DoSetSize(int x, int y, int width, int height, int sizeFlags) { int currentX, currentY; GetPosition(¤tX, ¤tY); @@ -371,38 +381,47 @@ void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags) if (control_width <= 0) control_width = DEFAULT_ITEM_WIDTH; - MoveWindow((HWND) GetHWND(), (int)control_x, (int)control_y, + MoveWindow(GetHwnd(), (int)control_x, (int)control_y, (int)control_width, (int)control_height, TRUE); } // Clipboard operations -void wxTextCtrl::Copy(void) +void wxTextCtrl::Copy() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_COPY, 0, 0L); + if (CanCopy()) + { + HWND hWnd = GetHwnd(); + SendMessage(hWnd, WM_COPY, 0, 0L); + } } -void wxTextCtrl::Cut(void) +void wxTextCtrl::Cut() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_CUT, 0, 0L); + if (CanCut()) + { + HWND hWnd = GetHwnd(); + SendMessage(hWnd, WM_CUT, 0, 0L); + } } -void wxTextCtrl::Paste(void) +void wxTextCtrl::Paste() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_PASTE, 0, 0L); + if (CanPaste()) + { + HWND hWnd = GetHwnd(); + SendMessage(hWnd, WM_PASTE, 0, 0L); + } } void wxTextCtrl::SetEditable(bool editable) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); } void wxTextCtrl::SetInsertionPoint(long pos) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); #ifdef __WIN32__ #if wxUSE_RICHEDIT if ( m_isRich) @@ -426,13 +445,13 @@ void wxTextCtrl::SetInsertionPoint(long pos) SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); } -void wxTextCtrl::SetInsertionPointEnd(void) +void wxTextCtrl::SetInsertionPointEnd() { long pos = GetLastPosition(); SetInsertionPoint(pos); } -long wxTextCtrl::GetInsertionPoint(void) const +long wxTextCtrl::GetInsertionPoint() const { #if wxUSE_RICHEDIT if (m_isRich) @@ -440,25 +459,25 @@ long wxTextCtrl::GetInsertionPoint(void) const CHARRANGE range; range.cpMin = 0; range.cpMax = 0; - SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) &range); + SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range); return range.cpMin; } #endif - DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L); + DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L); return Pos&0xFFFF; } -long wxTextCtrl::GetLastPosition(void) const +long wxTextCtrl::GetLastPosition() const { - HWND hWnd = (HWND) GetHWND(); + 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); - + // 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); @@ -468,10 +487,11 @@ long wxTextCtrl::GetLastPosition(void) const void wxTextCtrl::Replace(long from, long to, const wxString& value) { - HWND hWnd = (HWND) GetHWND(); +#if wxUSE_CLIPBOARD + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; - + // Set selection and remove it #ifdef __WIN32__ SendMessage(hWnd, EM_SETSEL, fromChar, toChar); @@ -481,18 +501,21 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value) SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); // Now replace with 'value', by pasting. - wxSetClipboardData(wxDF_TEXT, (wxObject *) (const char *)value, 0, 0); + 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."); +#endif } void wxTextCtrl::Remove(long from, long to) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; - + // Cut all selected text #ifdef __WIN32__ SendMessage(hWnd, EM_SETSEL, fromChar, toChar); @@ -504,7 +527,7 @@ void wxTextCtrl::Remove(long from, long to) void wxTextCtrl::SetSelection(long from, long to) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; // if from and to are both -1, it means @@ -515,7 +538,7 @@ void wxTextCtrl::SetSelection(long from, long to) fromChar = 0; toChar = -1; } - + #ifdef __WIN32__ SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar); SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); @@ -535,7 +558,7 @@ bool wxTextCtrl::LoadFile(const wxString& file) Clear(); // ifstream input(WXSTRINGCAST file, ios::nocreate | ios::in); - ifstream input(WXSTRINGCAST file, ios::in); + ifstream input(MBSTRINGCAST file.mb_str(wxConvFile), ios::in); if (!input.bad()) { @@ -547,37 +570,45 @@ bool wxTextCtrl::LoadFile(const wxString& file) #ifdef __SALFORDC__ struct _stat stat_buf; - if (stat((char*) (const char*) file, &stat_buf) < 0) + if (stat(MBSTRINGCAST file.mb_str(wxConvFile), &stat_buf) < 0) return FALSE; #else struct stat stat_buf; - if (stat(file, &stat_buf) < 0) + if (stat(file.mb_str(wxConvFile), &stat_buf) < 0) return FALSE; #endif -// char *tmp_buffer = (char*)farmalloc(stat_buf.st_size+1); +// wxChar *tmp_buffer = (wxChar*)farmalloc(stat_buf.st_size+1); // This may need to be a bigger buffer than the file size suggests, // if it's a UNIX file. Give it an extra 1000 just in case. - char *tmp_buffer = (char*)farmalloc((size_t)(stat_buf.st_size+1+1000)); + wxChar *tmp_buffer = (wxChar*)farmalloc((size_t)(stat_buf.st_size+1+1000)); + char *read_buffer = new char[512]; long no_lines = 0; long pos = 0; while (!input.eof() && input.peek() != EOF) { - input.getline(wxBuffer, 500); - int len = strlen(wxBuffer); + input.getline(read_buffer, 500); + int len = strlen(read_buffer); wxBuffer[len] = 13; wxBuffer[len+1] = 10; wxBuffer[len+2] = 0; - strcpy(tmp_buffer+pos, wxBuffer); - pos += strlen(wxBuffer); +#if wxUSE_UNICODE + pos += wxConvCurrent->MB2WC(tmp_buffer+pos, read_buffer, (size_t)-1); +#else + strcpy(tmp_buffer+pos, read_buffer); + pos += strlen(read_buffer); +#endif no_lines++; } + delete[] read_buffer; -// SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)tmp_buffer); - SetWindowText((HWND) GetHWND(), tmp_buffer); - SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L); + SetWindowText(GetHwnd(), tmp_buffer); + SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); farfree(tmp_buffer); + // update the size limit if needed + AdjustSpaceLimit(); + return TRUE; } return FALSE; @@ -587,33 +618,36 @@ bool wxTextCtrl::LoadFile(const wxString& file) // Returns TRUE if succeeds. bool wxTextCtrl::SaveFile(const wxString& file) { - wxString theFile(file); - if (theFile == "") - theFile = m_fileName; - if (theFile == "") - return FALSE; - m_fileName = theFile; + wxString theFile(file); - ofstream output((char*) (const char*) theFile); - if (output.bad()) - return FALSE; + if (theFile == _T("")) + theFile = m_fileName; + + if (theFile == _T("")) + return FALSE; + + m_fileName = theFile; + + ofstream output(MBSTRINGCAST theFile.mb_str(wxConvFile)); + if (output.bad()) + return FALSE; // This will only save 64K max - unsigned long nbytes = SendMessage((HWND) GetHWND(), WM_GETTEXTLENGTH, 0, 0); + unsigned long nbytes = SendMessage(GetHwnd(), WM_GETTEXTLENGTH, 0, 0); char *tmp_buffer = (char*)farmalloc((size_t)(nbytes+1)); - SendMessage((HWND) GetHWND(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer); + SendMessage(GetHwnd(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer); char *pstr = tmp_buffer; - // Convert \r\n to just \n - while (*pstr) - { - if (*pstr != '\r') - output << *pstr; - pstr++; - } + // Convert \r\n to just \n + while (*pstr) + { + if (*pstr != '\r') + output << *pstr; + pstr++; + } farfree(tmp_buffer); - SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L); + SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); return TRUE; } @@ -637,40 +671,47 @@ void wxTextCtrl::WriteText(const wxString& text) j ++; } newtext[j] = 0; - SendMessage((HWND) GetHWND(), EM_REPLACESEL, 0, (LPARAM)newtext); + SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)newtext); delete[] newtext; + + AdjustSpaceLimit(); +} + +void wxTextCtrl::AppendText(const wxString& text) +{ + SetInsertionPointEnd(); + WriteText(text); } -void wxTextCtrl::Clear(void) +void wxTextCtrl::Clear() { -// SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)""); - SetWindowText((HWND) GetHWND(), ""); + SetWindowText(GetHwnd(), _T("")); } -bool wxTextCtrl::IsModified(void) const +bool wxTextCtrl::IsModified() const { - return (SendMessage((HWND) GetHWND(), EM_GETMODIFY, 0, 0) != 0); + return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0); } // Makes 'unmodified' -void wxTextCtrl::DiscardEdits(void) +void wxTextCtrl::DiscardEdits() { - SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L); + SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); } /* * Some of the following functions are yet to be implemented * */ - -int wxTextCtrl::GetNumberOfLines(void) const + +int wxTextCtrl::GetNumberOfLines() const { - return (int)SendMessage((HWND) GetHWND(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); + return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); } long wxTextCtrl::XYToPosition(long x, long y) const { - HWND hWnd = (HWND) GetHWND(); + 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); @@ -679,7 +720,7 @@ long wxTextCtrl::XYToPosition(long x, long y) const void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); // This gets the line number containing the character int lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0); @@ -692,7 +733,7 @@ void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const void wxTextCtrl::ShowPosition(long pos) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); // To scroll to a position, we pass the number of lines and characters // to scroll *by*. This means that we need to: @@ -708,39 +749,129 @@ void wxTextCtrl::ShowPosition(long pos) int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L); int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L); - - int linesToScroll = specifiedLineLineNo - currentLineLineNo; -/* - wxDebugMsg("Caret line: %d; Current visible line: %d; Specified line: %d; lines to scroll: %d\n", - currentLineLineNo1, currentLineLineNo, specifiedLineLineNo, linesToScroll); -*/ + int linesToScroll = specifiedLineLineNo - currentLineLineNo; if (linesToScroll != 0) - (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)MAKELPARAM(linesToScroll, 0)); + (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll); } int wxTextCtrl::GetLineLength(long lineNo) const { long charIndex = XYToPosition(0, lineNo); - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); int len = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0); return len; } wxString wxTextCtrl::GetLineText(long lineNo) const { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); *(WORD *)wxBuffer = 512; int noChars = (int)SendMessage(hWnd, EM_GETLINE, (WPARAM)lineNo, (LPARAM)wxBuffer); wxBuffer[noChars] = 0; return wxString(wxBuffer); } -/* - * Text item - */ - +bool wxTextCtrl::CanCopy() const +{ + // Can copy if there's a selection + long 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) ; +} + +bool wxTextCtrl::CanPaste() const +{ +#if wxUSE_RICHEDIT + if (m_isRich) + { + int dataFormat = 0; // 0 == any format + return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0); + } +#endif + if (!IsEditable()) + return FALSE; + + // Standard edit control: check for straight text on clipboard + bool isTextAvailable = FALSE; + if (::OpenClipboard((HWND) wxTheApp->GetTopWindow()->GetHWND())) + { + isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0); + ::CloseClipboard(); + } + return isTextAvailable; +} + +// Undo/redo +void wxTextCtrl::Undo() +{ + if (CanUndo()) + { + ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); + } +} + +void wxTextCtrl::Redo() +{ + if (CanRedo()) + { + // Same as Undo, since Undo undoes the undo, i.e. a redo. + ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); + } +} + +bool wxTextCtrl::CanUndo() const +{ + return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0); +} + +bool wxTextCtrl::CanRedo() const +{ + return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0); +} + +// If the return values from and to are the same, there is no +// selection. +void wxTextCtrl::GetSelection(long* from, long* to) const +{ +#if wxUSE_RICHEDIT + if (m_isRich) + { + CHARRANGE charRange; + ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange); + + *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 + + ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam); + + *from = dwStart; + *to = dwEnd; +} + +bool wxTextCtrl::IsEditable() const +{ + long style = ::GetWindowLong(GetHwnd(), GWL_STYLE); + + return ((style & ES_READONLY) == 0); +} + void wxTextCtrl::Command(wxCommandEvent & event) { SetValue (event.GetString()); @@ -760,7 +891,7 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event) // AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers //========================================================================= -// Called then the buffer is full (gcc 2.6.3) +// Called then the buffer is full (gcc 2.6.3) // or when "endl" is output (Borland 4.5) //========================================================================= // Class declaration using multiple inheritance doesn't work properly for @@ -778,7 +909,7 @@ int wxTextCtrl::overflow(int c) return EOF; } #endif - + // Verify that there are no characters in get area if ( gptr() && gptr() < egptr() ) { @@ -820,7 +951,7 @@ int wxTextCtrl::overflow(int c) txt[plen] = (char)c; // append c txt[plen+xtra] = '\0'; // append '\0' or overwrite c // If the put area already contained \0, output will be truncated there - WriteText(txt); + AppendText(txt); delete[] txt; } @@ -850,7 +981,7 @@ int wxTextCtrl::overflow(int c) //========================================================================= // called then "endl" is output (gcc) or then explicit sync is done (Borland) //========================================================================= -int wxTextCtrl::sync(void) +int wxTextCtrl::sync() { // Verify that there are no characters in get area if ( gptr() && gptr() < egptr() ) @@ -877,7 +1008,7 @@ int wxTextCtrl::sync(void) //========================================================================= // Should not be called by a "ostream". Used by a "istream" //========================================================================= -int wxTextCtrl::underflow(void) +int wxTextCtrl::underflow() { return EOF; } @@ -885,39 +1016,39 @@ int wxTextCtrl::underflow(void) wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) { - WriteText(s); - return *this; + AppendText(s); + return *this; } wxTextCtrl& wxTextCtrl::operator<<(float f) { wxString str; - str.Printf("%.2f", f); - WriteText(str); + str.Printf(_T("%.2f"), f); + AppendText(str); return *this; } wxTextCtrl& wxTextCtrl::operator<<(double d) { wxString str; - str.Printf("%.2f", d); - WriteText(str); + str.Printf(_T("%.2f"), d); + AppendText(str); return *this; } wxTextCtrl& wxTextCtrl::operator<<(int i) { wxString str; - str.Printf("%d", i); - WriteText(str); + str.Printf(_T("%d"), i); + AppendText(str); return *this; } wxTextCtrl& wxTextCtrl::operator<<(long i) { wxString str; - str.Printf("%ld", i); - WriteText(str); + str.Printf(_T("%ld"), i); + AppendText(str); return *this; } @@ -927,14 +1058,14 @@ wxTextCtrl& wxTextCtrl::operator<<(const char c) buf[0] = c; buf[1] = 0; - WriteText(buf); + AppendText(buf); return *this; } WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { -#if CTL3D +#if wxUSE_CTL3D if ( m_useCtl3D ) { HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); @@ -961,156 +1092,121 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, void wxTextCtrl::OnChar(wxKeyEvent& event) { - // Fix by Marcel Rasche to allow Alt-Ctrl insertion of special characters - switch(event.KeyCode()) - { - case '{': - case '}': - case '[': - case ']': - case '|': - case '~': - case '\\': - { - char c=(char)event.KeyCode(); - *this << c; - } - break; - } - if ( (event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - event.SetEventObject( this ); - if ( GetEventHandler()->ProcessEvent(event) ) - return; - } - else if ( event.KeyCode() == WXK_TAB ) { - wxNavigationKeyEvent event; - event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100)); - event.SetWindowChange(FALSE); - event.SetEventObject(this); - - if ( GetEventHandler()->ProcessEvent(event) ) - return; - } - - event.Skip(); -} + switch ( event.KeyCode() ) + { + case WXK_RETURN: + if ( !(m_windowStyle & wxTE_MULTILINE) ) + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); + event.SetEventObject( this ); + if ( GetEventHandler()->ProcessEvent(event) ) + return; + } + //else: multiline controls need Enter for themselves + + break; + + case WXK_TAB: + // only produce navigation event if we don't process TAB ourself or + // if it's a Shift-Tab keypress (we assume nobody will ever need + // this key combo for himself) + // + // NB: Notice that Ctrl-Tab is handled elsewhere and Alt-Tab is + // handled by Windows + if ( event.ShiftDown() || !(m_windowStyle & wxTE_PROCESS_TAB) ) + { + wxNavigationKeyEvent eventNav; + eventNav.SetDirection(!event.ShiftDown()); + eventNav.SetWindowChange(FALSE); + eventNav.SetEventObject(this); + + if ( GetEventHandler()->ProcessEvent(eventNav) ) + return; + } + break; + + default: + event.Skip(); + return; + } -long wxTextCtrl::MSWGetDlgCode() -{ - long lRc = DLGC_WANTCHARS | DLGC_WANTARROWS; - if ( m_windowStyle & wxTE_PROCESS_ENTER ) - lRc |= DLGC_WANTMESSAGE; - else if ( m_windowStyle & wxTE_MULTILINE ) - lRc |= DLGC_WANTMESSAGE; - // ?? - if ( m_windowStyle & wxTE_PROCESS_TAB ) - lRc |= DLGC_WANTTAB; + // don't just call event.Skip() because this will cause TABs and ENTERs + // be passed upwards and we don't always want this - instead process it + // right here - return lRc; + // FIXME + event.Skip(); } -void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) +bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { - if ( m_windowStyle & wxTE_MULTILINE ) + switch (param) { - // No flicker - only problem is we probably can't change the background - Default(); -/* - RECT rect; - ::GetClientRect((HWND) GetHWND(), &rect); - - HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); - - ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); -*/ + case EN_SETFOCUS: + case EN_KILLFOCUS: + { + wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS + : wxEVT_SET_FOCUS, + m_windowId); + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent(event); + } + break; + + case EN_CHANGE: + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); + wxString val(GetValue()); + if ( !val.IsNull() ) + event.m_commandString = WXSTRINGCAST val; + event.SetEventObject( this ); + ProcessCommand(event); + } + break; + + case EN_ERRSPACE: + // the text size limit has been hit - increase it + AdjustSpaceLimit(); + break; + + // the other notification messages are not processed + case EN_UPDATE: + case EN_MAXTEXT: + case EN_HSCROLL: + case EN_VSCROLL: + default: + return FALSE; } -// wxWindow::OnEraseBackground(event); + + // processed + return TRUE; } -bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) +void wxTextCtrl::AdjustSpaceLimit() { -/* - // Debugging - wxDebugMsg("Edit control %d: ", (int)id); - switch (param) - { - case EN_SETFOCUS: - wxDebugMsg("EN_SETFOCUS\n"); - break; - case EN_KILLFOCUS: - wxDebugMsg("EN_KILLFOCUS\n"); - break; - case EN_CHANGE: - wxDebugMsg("EN_CHANGE\n"); - break; - case EN_UPDATE: - wxDebugMsg("EN_UPDATE\n"); - break; - case EN_ERRSPACE: - wxDebugMsg("EN_ERRSPACE\n"); - break; - case EN_MAXTEXT: - wxDebugMsg("EN_MAXTEXT\n"); - break; - case EN_HSCROLL: - wxDebugMsg("EN_HSCROLL\n"); - break; - case EN_VSCROLL: - wxDebugMsg("EN_VSCROLL\n"); - break; - default: - wxDebugMsg("Unknown EDIT notification\n"); - break; - } -*/ - switch (param) - { - case EN_SETFOCUS: - case EN_KILLFOCUS: - { - wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS - : wxEVT_SET_FOCUS, - m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); - } - break; - - case EN_CHANGE: - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); - wxString val(GetValue()); - if ( !val.IsNull() ) - event.m_commandString = WXSTRINGCAST val; - event.SetEventObject( this ); - ProcessCommand(event); - } - break; - - // the other notification messages are not processed - case EN_UPDATE: - case EN_ERRSPACE: - case EN_MAXTEXT: - case EN_HSCROLL: - case EN_VSCROLL: - default: - return FALSE; - } +#ifndef __WIN16__ + unsigned int len = ::GetWindowTextLength(GetHwnd()), + limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); + if ( len > limit ) + { + limit = len + 0x8000; // 32Kb - // processed - return TRUE; +#if wxUSE_RICHEDIT + if ( m_isRich || limit > 0xffff ) +#else + if ( limit > 0xffff ) +#endif + ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit); + else + ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0); + } +#endif } - // For Rich Edit controls. Do we need it? #if 0 #if wxUSE_RICHEDIT -bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam) +bool wxTextCtrl::MSWOnNotify(WXWPARAM wParam, WXLPARAM lParam) { wxCommandEvent event(0, m_windowId); int eventType = 0; @@ -1119,7 +1215,7 @@ bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam) { // Insert case code here default : - return wxControl::MSWNotify(wParam, lParam); + return wxControl::MSWOnNotify(wParam, lParam); break; } @@ -1134,3 +1230,53 @@ bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam) #endif #endif +void wxTextCtrl::OnCut(wxCommandEvent& event) +{ + Cut(); +} + +void wxTextCtrl::OnCopy(wxCommandEvent& event) +{ + Copy(); +} + +void wxTextCtrl::OnPaste(wxCommandEvent& event) +{ + Paste(); +} + +void wxTextCtrl::OnUndo(wxCommandEvent& event) +{ + Undo(); +} + +void wxTextCtrl::OnRedo(wxCommandEvent& event) +{ + Redo(); +} + +void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) +{ + event.Enable( CanCut() ); +} + +void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) +{ + event.Enable( CanCopy() ); +} + +void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); +} + +void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) +{ + event.Enable( CanUndo() ); +} + +void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) +{ + event.Enable( CanRedo() ); +} +