X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a47d3c193a8358f9be6a9249af28b6cb10eacff..f0492f7d97d77ec085e58d3f4a66c86508bc5f31:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index bfb35eaa50..8a4f405bd4 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -68,13 +68,27 @@ #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 // USE_SHARED_LIBRARY // Text item @@ -363,20 +377,29 @@ void wxTextCtrl::DoSetSize(int x, int y, int width, int height, int sizeFlags) // Clipboard operations void wxTextCtrl::Copy() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_COPY, 0, 0L); + if (CanCopy()) + { + HWND hWnd = (HWND) GetHWND(); + SendMessage(hWnd, WM_COPY, 0, 0L); + } } void wxTextCtrl::Cut() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_CUT, 0, 0L); + if (CanCut()) + { + HWND hWnd = (HWND) GetHWND(); + SendMessage(hWnd, WM_CUT, 0, 0L); + } } void wxTextCtrl::Paste() { - HWND hWnd = (HWND) GetHWND(); - SendMessage(hWnd, WM_PASTE, 0, 0L); + if (CanPaste()) + { + HWND hWnd = (HWND) GetHWND(); + SendMessage(hWnd, WM_PASTE, 0, 0L); + } } void wxTextCtrl::SetEditable(bool editable) @@ -443,7 +466,7 @@ long wxTextCtrl::GetLastPosition() const // 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); @@ -457,7 +480,7 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value) HWND hWnd = (HWND) GetHWND(); long fromChar = from; long toChar = to; - + // Set selection and remove it #ifdef __WIN32__ SendMessage(hWnd, EM_SETSEL, fromChar, toChar); @@ -481,7 +504,7 @@ void wxTextCtrl::Remove(long from, long to) HWND 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::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); @@ -659,7 +682,7 @@ void wxTextCtrl::DiscardEdits() * Some of the following functions are yet to be implemented * */ - + int wxTextCtrl::GetNumberOfLines() const { return (int)SendMessage((HWND) GetHWND(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); @@ -705,11 +728,11 @@ 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; 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 @@ -729,10 +752,104 @@ wxString wxTextCtrl::GetLineText(long lineNo) const 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( (HWND) 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((HWND) GetHWND(), EM_UNDO, 0, 0); + } +} + +void wxTextCtrl::Redo() +{ + if (CanRedo()) + { + // Same as Undo, since Undo undoes the undo, i.e. a redo. + ::SendMessage((HWND) GetHWND(), EM_UNDO, 0, 0); + } +} + +bool wxTextCtrl::CanUndo() const +{ + return (::SendMessage((HWND) GetHWND(), EM_CANUNDO, 0, 0) != 0); +} + +bool wxTextCtrl::CanRedo() const +{ + return (::SendMessage((HWND) 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((HWND) 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((HWND) GetHWND(), EM_GETSEL, wParam, lParam); + + *from = dwStart; + *to = dwEnd; +} + +bool wxTextCtrl::IsEditable() const +{ + long style = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE); + return ((style & ES_READONLY) == 0); +} + void wxTextCtrl::Command(wxCommandEvent & event) { SetValue (event.GetString()); @@ -752,7 +869,7 @@ 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 @@ -770,7 +887,7 @@ int wxTextCtrl::overflow(int c) return EOF; } #endif - + // Verify that there are no characters in get area if ( gptr() && gptr() < egptr() ) { @@ -955,28 +1072,8 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) { switch( event.KeyCode() ) { - // Fix by Marcel Rasche to allow Alt-Ctrl insertion of special characters - case '{': - case '}': - case '[': - case ']': - case '|': - case '~': - case '\\': - { - char c = (char)event.KeyCode(); - WriteText(c); - } - break; - case WXK_RETURN: - { -/* Oh yes it will, because we also specify DLGC_WANTCHARS - wxASSERT_MSG( m_windowStyle & wxTE_PROCESS_ENTER, - "this text ctrl should never receive return" ); -*/ - - if ( (m_windowStyle & wxTE_MULTILINE) == 0 ) + if ( !(m_windowStyle & wxTE_MULTILINE) ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject( this ); @@ -986,7 +1083,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) //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 @@ -1000,13 +1097,17 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) eventNav.SetDirection(!event.ShiftDown()); eventNav.SetWindowChange(FALSE); eventNav.SetEventObject(this); - + if ( GetEventHandler()->ProcessEvent(eventNav) ) return; } break; + + default: + event.Skip(); + return; } - + // 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 @@ -1030,7 +1131,7 @@ long wxTextCtrl::MSWGetDlgCode() lRc |= DLGC_WANTMESSAGE; if ( m_windowStyle & wxTE_PROCESS_TAB ) lRc |= DLGC_WANTTAB; - + return lRc; } @@ -1133,7 +1234,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) // 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; @@ -1142,7 +1243,7 @@ bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam) { // Insert case code here default : - return wxControl::MSWNotify(wParam, lParam); + return wxControl::MSWOnNotify(wParam, lParam); break; } @@ -1157,3 +1258,53 @@ 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() ); +} +