#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
// 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)
// 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);
HWND hWnd = (HWND) GetHWND();
long fromChar = from;
long toChar = to;
-
+
// Set selection and remove it
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
HWND hWnd = (HWND) GetHWND();
long fromChar = from;
long toChar = to;
-
+
// Cut all selected text
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
fromChar = 0;
toChar = -1;
}
-
+
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
* 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);
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
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());
// 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
return EOF;
}
#endif
-
+
// Verify that there are no characters in get area
if ( gptr() && gptr() < egptr() )
{
{
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 );
//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
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
lRc |= DLGC_WANTMESSAGE;
if ( m_windowStyle & wxTE_PROCESS_TAB )
lRc |= DLGC_WANTTAB;
-
+
return lRc;
}
// 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;
{
// Insert case code here
default :
- return wxControl::MSWNotify(wParam, lParam);
+ return wxControl::MSWOnNotify(wParam, lParam);
break;
}
#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() );
+}
+
projects / wxWidgets.git / blobdiff