///////////////////////////////////////////////////////////////////////////// // Name: src/osx/cocoa/textctrl.mm // Purpose: wxTextCtrl // Author: Stefan Csomor // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText) // Created: 1998-01-01 // Copyright: (c) Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #include "wx/wxprec.h" #if wxUSE_TEXTCTRL #include "wx/textctrl.h" #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/app.h" #include "wx/utils.h" #include "wx/dc.h" #include "wx/button.h" #include "wx/menu.h" #include "wx/settings.h" #include "wx/msgdlg.h" #include "wx/toplevel.h" #endif #ifdef __DARWIN__ #include #include #else #include #endif #if wxUSE_STD_IOSTREAM #include #endif #include "wx/filefn.h" #include "wx/sysopt.h" #include "wx/thread.h" #include "wx/textcompleter.h" #include "wx/osx/private.h" #include "wx/osx/cocoa/private/textimpl.h" @interface NSView(EditableView) - (BOOL)isEditable; - (void)setEditable:(BOOL)flag; - (BOOL)isSelectable; - (void)setSelectable:(BOOL)flag; @end // An object of this class is created before the text is modified // programmatically and destroyed as soon as this is done. It does several // things, like ensuring that the control is editable to allow setting its text // at all and eating any unwanted focus loss events from textDidEndEditing: // which don't really correspond to focus change. class wxMacEditHelper { public : wxMacEditHelper( NSView* textView ) { m_viewPreviouslyEdited = ms_viewCurrentlyEdited; ms_viewCurrentlyEdited = m_textView = textView; m_formerEditable = YES; if ( textView ) { m_formerEditable = [textView isEditable]; m_formerSelectable = [textView isSelectable]; [textView setEditable:YES]; } } ~wxMacEditHelper() { if ( m_textView ) { [m_textView setEditable:m_formerEditable]; [m_textView setSelectable:m_formerSelectable]; } ms_viewCurrentlyEdited = m_viewPreviouslyEdited; } // Returns true if this view is the one currently being changed by the // program. static bool IsCurrentlyEditedView(NSView* v) { return v == ms_viewCurrentlyEdited; } // Returns true if this editor is the one currently being modified. static bool IsCurrentEditor(wxNSTextFieldEditor* e) { return e == [(NSTextField*)ms_viewCurrentlyEdited currentEditor]; } protected : BOOL m_formerEditable ; BOOL m_formerSelectable; NSView* m_textView; // The original value of ms_viewCurrentlyEdited when this object was // created. NSView* m_viewPreviouslyEdited; static NSView* ms_viewCurrentlyEdited; } ; NSView* wxMacEditHelper::ms_viewCurrentlyEdited = nil; // an NSFormatter used to implement SetMaxLength() and ForceUpper() methods @interface wxTextEntryFormatter : NSFormatter { int maxLength; wxTextEntry* field; bool forceUpper; } @end @implementation wxTextEntryFormatter - (id)init { if ( self = [super init] ) { maxLength = 0; forceUpper = false; } return self; } - (void) setMaxLength:(int) maxlen { maxLength = maxlen; } - (void) forceUpper { forceUpper = true; } - (NSString *)stringForObjectValue:(id)anObject { if(![anObject isKindOfClass:[NSString class]]) return nil; return [NSString stringWithString:anObject]; } - (BOOL)getObjectValue:(id *)obj forString:(NSString *)string errorDescription:(NSString **)error { *obj = [NSString stringWithString:string]; return YES; } - (BOOL)isPartialStringValid:(NSString **)partialStringPtr proposedSelectedRange:(NSRangePointer)proposedSelRangePtr originalString:(NSString *)origString originalSelectedRange:(NSRange)origSelRange errorDescription:(NSString **)error { if ( maxLength > 0 ) { if ( [*partialStringPtr length] > maxLength ) { field->SendMaxLenEvent(); return NO; } } // wxTextEntryFormatter is always associated with single-line text entry (through wxNSTextFieldControl) // so all new line characters should be replaced with spaces (like it is done in single-line NSCell). NSString* lineStr = [*partialStringPtr stringByReplacingOccurrencesOfString: @"\n" withString: @" "]; NSString* newStr = forceUpper ? [lineStr uppercaseString] : lineStr; if ( ![*partialStringPtr isEqual:newStr] ) { *partialStringPtr = newStr; return NO; } return YES; } - (void) setTextEntry:(wxTextEntry*) tf { field = tf; } @end @implementation wxNSSecureTextField + (void)initialize { static BOOL initialized = NO; if (!initialized) { initialized = YES; wxOSXCocoaClassAddWXMethods( self ); } } - (void)controlTextDidChange:(NSNotification *)aNotification { wxUnusedVar(aNotification); wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) impl->controlTextDidChange(); } - (void)controlTextDidEndEditing:(NSNotification *)aNotification { wxUnusedVar(aNotification); wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) impl->DoNotifyFocusLost(); } - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector { wxUnusedVar(textView); BOOL handled = NO; wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( control ); if ( impl ) { wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer(); if ( wxpeer ) { if (commandSelector == @selector(insertNewline:)) { if ( wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER ) { wxCommandEvent event(wxEVT_TEXT_ENTER, wxpeer->GetId()); event.SetEventObject( wxpeer ); wxTextWidgetImpl* impl = (wxNSTextFieldControl * ) wxWidgetImpl::FindFromWXWidget( self ); wxTextEntry * const entry = impl->GetTextEntry(); event.SetString( entry->GetValue() ); handled = wxpeer->HandleWindowEvent( event ); } else { wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(wxpeer), wxTopLevelWindow); if ( tlw && tlw->GetDefaultItem() ) { wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton); if ( def && def->IsEnabled() ) { wxCommandEvent event(wxEVT_BUTTON, def->GetId() ); event.SetEventObject(def); def->Command(event); handled = YES; } } } } else if ( commandSelector == @selector(noop:) ) { // We are called with this strange "noop:" selector when an // attempt to paste the text into a password text control using // Cmd+V is made. Check if we're really in this case and, if // we're, do paste as otherwise nothing happens by default // which is annoying, it is pretty common and useful to paste // passwords, e.g. from a password manager. NSEvent* cevent = [[NSApplication sharedApplication] currentEvent]; if ( [cevent type] == NSKeyDown && [cevent keyCode] == 9 /* V */ && ([cevent modifierFlags] & NSCommandKeyMask) == NSCommandKeyMask ) { wxTextWidgetImpl* impl = (wxNSTextFieldControl * ) wxWidgetImpl::FindFromWXWidget( self ); wxTextEntry * const entry = impl->GetTextEntry(); entry->Paste(); handled = YES; } } else if (wxpeer->GetWindowStyle() & wxTE_PASSWORD) { // Make TAB and ESCAPE work on password fields. The general fix done in wxWidgetCocoaImpl::DoHandleKeyEvent() // does not help for password fields because wxWidgetCocoaImpl::keyEvent() is not executed // when TAB is pressed, only when it is released. wxKeyEvent wxevent(wxEVT_KEY_DOWN); if (commandSelector == @selector(insertTab:)) { wxevent.m_keyCode = WXK_TAB; } else if (commandSelector == @selector(insertBacktab:)) { wxevent.m_keyCode = WXK_TAB; wxevent.SetShiftDown(true); } else if (commandSelector == @selector(selectNextKeyView:)) { wxevent.m_keyCode = WXK_TAB; wxevent.SetRawControlDown(true); } else if (commandSelector == @selector(selectPreviousKeyView:)) { wxevent.m_keyCode = WXK_TAB; wxevent.SetShiftDown(true); wxevent.SetRawControlDown(true); } else if (commandSelector == @selector(cancelOperation:)) { wxevent.m_keyCode = WXK_ESCAPE; } if (wxevent.GetKeyCode() != WXK_NONE) { wxKeyEvent eventHook(wxEVT_CHAR_HOOK, wxevent); if (wxpeer->OSXHandleKeyEvent(eventHook) && !eventHook.IsNextEventAllowed()) handled = YES; else if (impl->DoHandleKeyNavigation(wxevent)) handled = YES; } } } } return handled; } @end @interface wxNSTextScrollView : NSScrollView { } @end @implementation wxNSTextScrollView + (void)initialize { static BOOL initialized = NO; if (!initialized) { initialized = YES; wxOSXCocoaClassAddWXMethods( self ); } } @end @implementation wxNSTextFieldEditor - (void) keyDown:(NSEvent*) event { wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] ); lastKeyDownEvent = event; if ( impl == NULL || !impl->DoHandleKeyEvent(event) ) [super keyDown:event]; lastKeyDownEvent = nil; } - (void) keyUp:(NSEvent*) event { wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] ); if ( impl == NULL || !impl->DoHandleKeyEvent(event) ) [super keyUp:event]; } - (void) flagsChanged:(NSEvent*) event { wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] ); if ( impl == NULL || !impl->DoHandleKeyEvent(event) ) [super flagsChanged:event]; } - (void) insertText:(id) str { // We should never generate char events for the text being inserted // programmatically. if ( !wxMacEditHelper::IsCurrentEditor(self) ) { NSString *text = [str isKindOfClass:[NSAttributedString class]] ? [str string] : str; wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] ); if ( impl && lastKeyDownEvent && impl->DoHandleCharEvent(lastKeyDownEvent, text) ) return; } [super insertText:str]; } - (BOOL) resignFirstResponder { return [super resignFirstResponder]; } - (BOOL) becomeFirstResponder { // we need the stored text field, as at this point the delegate is not yet set wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) textField ); BOOL r = [super becomeFirstResponder]; if ( impl != NULL && r ) impl->DoNotifyFocusSet(); return r; } - (void) setTextField:(NSTextField*) field { textField = field; } @end @implementation wxNSTextView + (void)initialize { static BOOL initialized = NO; if (!initialized) { initialized = YES; wxOSXCocoaClassAddWXMethods( self ); } } - (void)textDidChange:(NSNotification *)aNotification { wxUnusedVar(aNotification); wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) impl->controlTextDidChange(); } - (void)changeColor:(id)sender { // Define this just to block the color change messages - these are sent from // the shared color/font panel resulting in unwanted changes of color when // shared color panel is used (as when using wxColourPickerCtrl for example). } - (void) setEnabled:(BOOL) flag { // from Technical Q&A QA1461 if (flag) { [self setTextColor: [NSColor controlTextColor]]; } else { [self setTextColor: [NSColor disabledControlTextColor]]; } [self setSelectable: flag]; [self setEditable: flag]; } - (BOOL) isEnabled { return [self isEditable]; } - (void)textDidEndEditing:(NSNotification *)aNotification { wxUnusedVar(aNotification); if ( wxMacEditHelper::IsCurrentlyEditedView(self) ) { // This notification is generated as the result of calling our own // wxTextCtrl method (e.g. WriteText()) and doesn't correspond to any // real focus loss event so skip generating it. return; } wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) impl->DoNotifyFocusLost(); } -(BOOL)textView:(NSTextView *)aTextView clickedOnLink:(id)link atIndex:(NSUInteger)charIndex { wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( aTextView ); if ( impl ) { wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer(); if ( wxpeer ) { wxMouseEvent evtMouse( wxEVT_LEFT_DOWN ); wxTextUrlEvent event( wxpeer->GetId(), evtMouse, (long int)charIndex, (long int)charIndex ); event.SetEventObject( wxpeer ); wxpeer->HandleWindowEvent( event ); } } return NO; } - (BOOL)_handleClipboardEvent:(wxEventType)type { wxWidgetImpl *impl = wxWidgetImpl::FindFromWXWidget(self); wxWindow* wxpeer = impl ? impl->GetWXPeer() : NULL; if ( wxpeer ) { wxClipboardTextEvent evt(type, wxpeer->GetId()); evt.SetEventObject(wxpeer); return wxpeer->HandleWindowEvent(evt); } return false; } - (void)copy:(id)sender { if ( ![self _handleClipboardEvent:wxEVT_TEXT_COPY] ) [super copy:sender]; } - (void)cut:(id)sender { if ( ![self _handleClipboardEvent:wxEVT_TEXT_CUT] ) [super cut:sender]; } - (void)paste:(id)sender { if ( ![self _handleClipboardEvent:wxEVT_TEXT_PASTE] ) [super paste:sender]; } @end @implementation wxNSTextField + (void)initialize { static BOOL initialized = NO; if (!initialized) { initialized = YES; wxOSXCocoaClassAddWXMethods( self ); } } - (id) initWithFrame:(NSRect) frame { if ( self = [super initWithFrame:frame] ) { fieldEditor = nil; } return self; } - (void) dealloc { [fieldEditor release]; [super dealloc]; } - (void) setFieldEditor:(wxNSTextFieldEditor*) editor { if ( editor != fieldEditor ) { [editor retain]; [fieldEditor release]; fieldEditor = editor; } } - (wxNSTextFieldEditor*) fieldEditor { return fieldEditor; } - (void) setEnabled:(BOOL) flag { [super setEnabled: flag]; if (![self drawsBackground]) { // Static text is drawn incorrectly when disabled. // For an explanation, see // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028 if (flag) { [self setTextColor: [NSColor controlTextColor]]; } else { [self setTextColor: [NSColor secondarySelectedControlColor]]; } } } - (void)controlTextDidChange:(NSNotification *)aNotification { wxUnusedVar(aNotification); wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) impl->controlTextDidChange(); } - (NSArray *)control:(NSControl *)control textView:(NSTextView *)textView completions:(NSArray *)words forPartialWordRange:(NSRange)charRange indexOfSelectedItem:(NSInteger*)index { NSMutableArray* matches = [NSMutableArray array]; wxTextWidgetImpl* impl = (wxNSTextFieldControl * ) wxWidgetImpl::FindFromWXWidget( self ); wxTextEntry * const entry = impl->GetTextEntry(); wxTextCompleter * const completer = entry->OSXGetCompleter(); if ( completer ) { const wxString prefix = entry->GetValue(); if ( completer->Start(prefix) ) { const wxString wordStart = wxCFStringRef::AsString( [[textView string] substringWithRange:charRange] ); for ( ;; ) { const wxString s = completer->GetNext(); if ( s.empty() ) break; // Normally the completer should return only the strings // starting with the prefix, but there could be exceptions // and, for compatibility with MSW which simply ignores all // entries that don't match the current text control contents, // we ignore them as well. Besides, our own wxTextCompleterFixed // doesn't respect this rule and, moreover, we need to extract // just the rest of the string anyhow. wxString completion; if ( s.StartsWith(prefix, &completion) ) { // We discarded the entire prefix above but actually we // should include the part of it that consists of the // beginning of the current word, otherwise it would be // lost when completion is accepted as OS X supposes that // our matches do start with the "partial word range" // passed to us. const wxCFStringRef fullWord(wordStart + completion); [matches addObject: fullWord.AsNSString()]; } } } } return matches; } - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector { wxUnusedVar(textView); wxUnusedVar(control); BOOL handled = NO; // send back key events wx' common code knows how to handle wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) { wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer(); if ( wxpeer ) { if (commandSelector == @selector(insertNewline:)) { [textView insertNewlineIgnoringFieldEditor:self]; handled = YES; } else if ( commandSelector == @selector(insertTab:)) { [textView insertTabIgnoringFieldEditor:self]; handled = YES; } else if ( commandSelector == @selector(insertBacktab:)) { [textView insertTabIgnoringFieldEditor:self]; handled = YES; } } } return handled; } - (void)controlTextDidEndEditing:(NSNotification *)aNotification { wxUnusedVar(aNotification); wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); if ( impl ) { wxNSTextFieldControl* timpl = dynamic_cast(impl); if ( timpl ) timpl->UpdateInternalSelectionFromEditor(fieldEditor); impl->DoNotifyFocusLost(); } } @end bool wxNSTextBase::ShouldHandleKeyNavigation(const wxKeyEvent &event) const { // Text controls must be allowed to handle the key even if wxWANTS_CHARS is not set, provided wxTE_PROCESS_TAB // is set. To make Shift+TAB work with text controls we must process it here regardless of wxTE_PROCESS_TAB. // For Ctrl(+Shift)+TAB to work as navigation key consistently in all types of text fields we must process it here as well. return (!m_wxPeer->HasFlag(wxTE_PROCESS_TAB) || event.HasAnyModifiers()); } // wxNSTextViewControl // Official Apple docs suggest to use FLT_MAX when embedding an NSTextView // object inside an NSScrollView, see here: // https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/TextUILayer/Tasks/TextInScrollView.html // However, when using FLT_MAX, "setAlignment" doesn't work any more; using // 1000000 instead of FLT_MAX fixes this #define MAX_WIDTH 1000000 wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w, long style ) : wxNSTextBase(wxPeer, w) { wxNSTextScrollView* sv = (wxNSTextScrollView*) w; m_scrollView = sv; const bool hasHScroll = (style & wxHSCROLL) != 0; m_useCharWrapping = (style & wxTE_CHARWRAP) != 0; [m_scrollView setHasVerticalScroller:YES]; [m_scrollView setHasHorizontalScroller:hasHScroll]; [m_scrollView setHasVerticalScroller:(style & wxTE_NO_VSCROLL)? NO: YES]; NSSize contentSize = [m_scrollView contentSize]; NSRect viewFrame = NSMakeRect( 0, 0, hasHScroll ? MAX_WIDTH : contentSize.width, contentSize.height ); wxNSTextView* const tv = [[wxNSTextView alloc] initWithFrame: viewFrame]; m_textView = tv; [tv setVerticallyResizable:YES]; [tv setHorizontallyResizable:hasHScroll]; [tv setAutoresizingMask:NSViewWidthSizable]; if ( hasHScroll ) { [[tv textContainer] setContainerSize:NSMakeSize(MAX_WIDTH, MAX_WIDTH)]; [[tv textContainer] setWidthTracksTextView:NO]; } if ( style & wxTE_RIGHT) { [tv setAlignment:NSRightTextAlignment]; } else if ( style & wxTE_CENTRE) { [tv setAlignment:NSCenterTextAlignment]; } if ( !wxPeer->HasFlag(wxTE_RICH | wxTE_RICH2) ) { [tv setRichText:NO]; [tv setUsesFontPanel:NO]; } if ( wxPeer->HasFlag(wxTE_AUTO_URL) ) { [tv setAutomaticLinkDetectionEnabled:YES]; } [m_scrollView setDocumentView: tv]; [tv setDelegate: tv]; InstallEventHandler(tv); } wxNSTextViewControl::~wxNSTextViewControl() { if (m_textView) [m_textView setDelegate: nil]; } bool wxNSTextViewControl::CanFocus() const { // since this doesn't work (return false), we hardcode // if (m_textView) // return [m_textView canBecomeKeyView]; return true; } void wxNSTextViewControl::insertText(NSString* str, WXWidget slf, void *_cmd) { NSString *text = [str isKindOfClass:[NSAttributedString class]] ? [(id)str string] : str; if ( m_lastKeyDownEvent ==NULL || !DoHandleCharEvent(m_lastKeyDownEvent, text) ) { wxOSX_TextEventHandlerPtr superimpl = (wxOSX_TextEventHandlerPtr) [[slf superclass] instanceMethodForSelector:(SEL)_cmd]; superimpl(slf, (SEL)_cmd, str); } } wxString wxNSTextViewControl::GetStringValue() const { wxString result; if (m_textView) { result = wxMacConvertNewlines13To10( wxCFStringRef::AsString([m_textView string], m_wxPeer->GetFont().GetEncoding())); } return result; } void wxNSTextViewControl::SetStringValue( const wxString &str) { wxMacEditHelper helper(m_textView); if (m_textView) { wxString st(wxMacConvertNewlines10To13(str)); [m_textView setString: wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()]; if ( m_wxPeer->HasFlag(wxTE_AUTO_URL) ) { // Make sure that any URLs in the new text are highlighted. [m_textView checkTextInDocument:nil]; } // Some text styles have to be updated manually. DoUpdateTextStyle(); } } void wxNSTextViewControl::Copy() { if (m_textView) [m_textView copy:nil]; } void wxNSTextViewControl::Cut() { if (m_textView) [m_textView cut:nil]; } void wxNSTextViewControl::Paste() { if (m_textView) [m_textView paste:nil]; } bool wxNSTextViewControl::CanPaste() const { return true; } void wxNSTextViewControl::SetEditable(bool editable) { if (m_textView) [m_textView setEditable: editable]; } long wxNSTextViewControl::GetLastPosition() const { wxCHECK( m_textView, 0 ); return [[m_textView string] length]; } void wxNSTextViewControl::GetSelection( long* from, long* to) const { if (m_textView) { NSRange range = [m_textView selectedRange]; *from = range.location; *to = range.location + range.length; } } void wxNSTextViewControl::SetSelection( long from , long to ) { long textLength = [[m_textView string] length]; if ((from == -1) && (to == -1)) { from = 0 ; to = textLength ; } else { from = wxMin(textLength,wxMax(from,0)) ; if ( to == -1 ) to = textLength; else to = wxMax(0,wxMin(textLength,to)) ; } NSRange selrange = NSMakeRange(from, to-from); [m_textView setSelectedRange:selrange]; [m_textView scrollRangeToVisible:selrange]; } bool wxNSTextViewControl::PositionToXY(long pos, long *x, long *y) const { wxCHECK( m_textView, false ); wxCHECK_MSG( pos >= 0, false, wxS("Invalid character position") ); NSString* txt = [m_textView string]; if ( pos > [txt length] ) return false; // Last valid position is past the last character // of the text control, so add one virtual character // at the end to make calculations easier. txt = [txt stringByAppendingString:@"x"]; long nline = 0; NSRange lineRng; for ( long i = 0; i <= pos; nline++ ) { lineRng = [txt lineRangeForRange:NSMakeRange(i, 0)]; i = NSMaxRange(lineRng); } if ( y ) *y = nline-1; if ( x ) *x = pos - lineRng.location; return true; } long wxNSTextViewControl::XYToPosition(long x, long y) const { wxCHECK( m_textView, -1 ); wxCHECK_MSG( x >= 0 && y >= 0, -1, wxS("Invalid line/column number") ); NSString* txt = [m_textView string]; const long txtLen = [txt length]; long nline = -1; NSRange lineRng; long i = 0; // We need to enter the counting loop at least once, // even for empty text string. do { nline++; lineRng = [txt lineRangeForRange:NSMakeRange(i, 0)]; i = NSMaxRange(lineRng); } while ( i < txtLen && nline < y ); // In the last line, the last valid position is after // the last real character, so we need to count // this additional virtual character. // In any other line, the last valid position is at // the new line character which is already counted. if ( i == txtLen ) { const bool endsWithNewLine = txtLen > 0 && [txt characterAtIndex:txtLen-1] == '\n'; // If text ends with new line, simulated character // is placed in the additional virtual line. if ( endsWithNewLine ) { // Creating additional virtual line makes sense only // if we look for a position beyond the last real line. if ( nline < y ) { nline++; lineRng = NSMakeRange(i, 1); } } else { // Just extended actual range to count // additional virtual character lineRng.length++; } } // Return error if control contains // less lines than given y position. if ( nline != y ) return -1; // Return error if given x position // is past the line. if ( x >= lineRng.length ) return -1; return lineRng.location + x; } void wxNSTextViewControl::ShowPosition(long pos) { if ( !m_textView ) return; wxCHECK_RET( pos >= 0, wxS("Invalid character position") ); [m_textView scrollRangeToVisible:NSMakeRange(pos, 1)]; } void wxNSTextViewControl::WriteText(const wxString& str) { wxString st(wxMacConvertNewlines10To13(str)); wxMacEditHelper helper(m_textView); NSEvent* formerEvent = m_lastKeyDownEvent; m_lastKeyDownEvent = nil; [m_textView insertText:wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()]; m_lastKeyDownEvent = formerEvent; // Some text styles have to be updated manually. DoUpdateTextStyle(); } void wxNSTextViewControl::controlTextDidChange() { wxNSTextBase::controlTextDidChange(); // Some text styles have to be updated manually. DoUpdateTextStyle(); } void wxNSTextViewControl::DoUpdateTextStyle() { if ( m_useCharWrapping ) { // Set line wrapping at any position // by applying a style to the entire text. NSTextStorage* storage = [m_textView textStorage]; NSMutableParagraphStyle* style = [[NSParagraphStyle defaultParagraphStyle] mutableCopy]; [style setLineBreakMode:NSLineBreakByCharWrapping]; [storage addAttribute:NSParagraphStyleAttributeName value:style range:NSMakeRange(0, [storage length])]; [style release]; } } void wxNSTextViewControl::SetFont( const wxFont & font , const wxColour& WXUNUSED(foreground) , long WXUNUSED(windowStyle), bool WXUNUSED(ignoreBlack) ) { if ([m_textView respondsToSelector:@selector(setFont:)]) [m_textView setFont: font.OSXGetNSFont()]; } bool wxNSTextViewControl::GetStyle(long position, wxTextAttr& style) { if (m_textView && position >=0) { NSFont* font = NULL; NSColor* bgcolor = NULL; NSColor* fgcolor = NULL; NSNumber* ultype = NULL; NSColor* ulcolor = NULL; // NOTE: It appears that other platforms accept GetStyle with the position == length // but that NSTextStorage does not accept length as a valid position. // Therefore we return the default control style in that case. if (position < (long) [[m_textView string] length]) { NSTextStorage* storage = [m_textView textStorage]; font = [storage attribute:NSFontAttributeName atIndex:position effectiveRange:NULL]; bgcolor = [storage attribute:NSBackgroundColorAttributeName atIndex:position effectiveRange:NULL]; fgcolor = [storage attribute:NSForegroundColorAttributeName atIndex:position effectiveRange:NULL]; ultype = [storage attribute:NSUnderlineStyleAttributeName atIndex:position effectiveRange:NULL]; ulcolor = [storage attribute:NSUnderlineColorAttributeName atIndex:position effectiveRange:NULL]; } else { NSDictionary* attrs = [m_textView typingAttributes]; font = [attrs objectForKey:NSFontAttributeName]; bgcolor = [attrs objectForKey:NSBackgroundColorAttributeName]; fgcolor = [attrs objectForKey:NSForegroundColorAttributeName]; ultype = [attrs objectForKey:NSUnderlineStyleAttributeName]; ulcolor = [attrs objectForKey:NSUnderlineColorAttributeName]; } if (font) style.SetFont(wxFont(font)); if (bgcolor) style.SetBackgroundColour(wxColour(bgcolor)); if (fgcolor) style.SetTextColour(wxColour(fgcolor)); wxTextAttrUnderlineType underlineType = wxTEXT_ATTR_UNDERLINE_NONE; if ( ultype ) { NSInteger ulval = [ultype integerValue]; switch ( ulval ) { case NSUnderlineStyleSingle: underlineType = wxTEXT_ATTR_UNDERLINE_SOLID; break; case NSUnderlineStyleDouble: underlineType = wxTEXT_ATTR_UNDERLINE_DOUBLE; break; case NSUnderlineStyleSingle | NSUnderlinePatternDot: underlineType = wxTEXT_ATTR_UNDERLINE_SPECIAL; break; default: underlineType = wxTEXT_ATTR_UNDERLINE_NONE; break; } } wxColour underlineColour; if ( ulcolor ) underlineColour = wxColour(ulcolor); if ( underlineType != wxTEXT_ATTR_UNDERLINE_NONE ) style.SetFontUnderlined(underlineType, underlineColour); return true; } return false; } void wxNSTextViewControl::SetStyle(long start, long end, const wxTextAttr& style) { if ( !m_textView ) return; if ( start == -1 && end == -1 ) { NSMutableDictionary* const attrs = [NSMutableDictionary dictionaryWithCapacity:5]; if ( style.HasFont() ) [attrs setValue:style.GetFont().OSXGetNSFont() forKey:NSFontAttributeName]; if ( style.HasBackgroundColour() ) [attrs setValue:style.GetBackgroundColour().OSXGetNSColor() forKey:NSBackgroundColorAttributeName]; if ( style.HasTextColour() ) [attrs setValue:style.GetTextColour().OSXGetNSColor() forKey:NSForegroundColorAttributeName]; if ( style.HasFontUnderlined() ) { int underlineStyle = NSUnderlineStyleNone; switch ( style.GetUnderlineType() ) { case wxTEXT_ATTR_UNDERLINE_SOLID: underlineStyle = NSUnderlineStyleSingle; break; case wxTEXT_ATTR_UNDERLINE_DOUBLE: underlineStyle = NSUnderlineStyleDouble; break; case wxTEXT_ATTR_UNDERLINE_SPECIAL: underlineStyle = NSUnderlineStyleSingle | NSUnderlinePatternDot; break; default: underlineStyle = NSUnderlineStyleNone; break; } [attrs setObject:[NSNumber numberWithInt:( underlineStyle )] forKey:NSUnderlineStyleAttributeName]; wxColour colour = style.GetUnderlineColour(); if ( colour.IsOk() ) { [attrs setValue:colour.OSXGetNSColor() forKey:NSUnderlineColorAttributeName]; } } [m_textView setTypingAttributes:attrs]; } else // Set the attributes just for this range. { NSRange range = NSMakeRange(start, end-start); NSTextStorage* storage = [m_textView textStorage]; if ( style.HasFont() ) [storage addAttribute:NSFontAttributeName value:style.GetFont().OSXGetNSFont() range:range]; if ( style.HasBackgroundColour() ) [storage addAttribute:NSBackgroundColorAttributeName value:style.GetBackgroundColour().OSXGetNSColor() range:range]; if ( style.HasTextColour() ) [storage addAttribute:NSForegroundColorAttributeName value:style.GetTextColour().OSXGetNSColor() range:range]; if( style.HasFontUnderlined() ) { NSMutableDictionary *dict = [[NSMutableDictionary alloc] init]; int underlineStyle = NSUnderlineStyleNone; switch ( style.GetUnderlineType() ) { case wxTEXT_ATTR_UNDERLINE_SOLID: underlineStyle = NSUnderlineStyleSingle; break; case wxTEXT_ATTR_UNDERLINE_DOUBLE: underlineStyle = NSUnderlineStyleDouble; break; case wxTEXT_ATTR_UNDERLINE_SPECIAL: underlineStyle = NSUnderlineStyleSingle | NSUnderlinePatternDot; break; default: underlineStyle = NSUnderlineStyleNone; break; } [dict setObject:[NSNumber numberWithInt:( underlineStyle )] forKey:NSUnderlineStyleAttributeName]; wxColour colour = style.GetUnderlineColour(); if ( colour.IsOk() ) { [dict setValue:colour.OSXGetNSColor() forKey:NSUnderlineColorAttributeName]; } [storage addAttributes:dict range:range]; [dict release]; } } if ( style.HasAlignment() ) { switch ( style.GetAlignment() ) { case wxTEXT_ALIGNMENT_RIGHT: [m_textView setAlignment:NSRightTextAlignment]; break; case wxTEXT_ALIGNMENT_CENTER: [m_textView setAlignment:NSCenterTextAlignment]; break; default: [m_textView setAlignment:NSLeftTextAlignment]; break; } } } void wxNSTextViewControl::CheckSpelling(bool check) { if (m_textView) [m_textView setContinuousSpellCheckingEnabled: check]; } void wxNSTextViewControl::EnableAutomaticQuoteSubstitution(bool enable) { if (m_textView) [m_textView setAutomaticQuoteSubstitutionEnabled:enable]; } void wxNSTextViewControl::EnableAutomaticDashSubstitution(bool enable) { if (m_textView) [m_textView setAutomaticDashSubstitutionEnabled:enable]; } wxSize wxNSTextViewControl::GetBestSize() const { if (m_textView && [m_textView layoutManager]) { NSRect rect = [[m_textView layoutManager] usedRectForTextContainer: [m_textView textContainer]]; return wxSize((int)(rect.size.width + [m_textView textContainerInset].width), (int)(rect.size.height + [m_textView textContainerInset].height)); } return wxSize(0,0); } void wxNSTextViewControl::SetJustification() { if ( !m_textView ) return; NSTextAlignment align; if ( m_wxPeer->HasFlag(wxTE_RIGHT) ) align = NSRightTextAlignment; else if ( m_wxPeer->HasFlag(wxTE_CENTRE) ) align = NSCenterTextAlignment; else // wxTE_LEFT == 0 align = NSLeftTextAlignment; [m_textView setAlignment:align]; } // wxNSTextFieldControl wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *text, WXWidget w ) : wxNSTextBase(text, w) { Init(w); } wxNSTextFieldControl::wxNSTextFieldControl(wxWindow *wxPeer, wxTextEntry *entry, WXWidget w) : wxNSTextBase(wxPeer, entry, w) { Init(w); } void wxNSTextFieldControl::Init(WXWidget w) { NSTextField *tf = (NSTextField *) w; m_textField = tf; [m_textField setDelegate: tf]; m_selStart = m_selEnd = 0; m_hasEditor = [w isKindOfClass:[NSTextField class]]; GetFormatter(); // we always need to at least replace new line characters with spaces } wxNSTextFieldControl::~wxNSTextFieldControl() { if (m_textField) [m_textField setDelegate: nil]; } wxString wxNSTextFieldControl::GetStringValue() const { return wxCFStringRef::AsString([m_textField stringValue], m_wxPeer->GetFont().GetEncoding()); } void wxNSTextFieldControl::SetStringValue( const wxString &str) { wxMacEditHelper helper(m_textField); [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()]; } wxTextEntryFormatter* wxNSTextFieldControl::GetFormatter() { // We only ever call setFormatter with wxTextEntryFormatter, so the cast is // safe. wxTextEntryFormatter* formatter = (wxTextEntryFormatter*)[m_textField formatter]; if ( !formatter ) { formatter = [[[wxTextEntryFormatter alloc] init] autorelease]; [formatter setTextEntry:GetTextEntry()]; [m_textField setFormatter:formatter]; } return formatter; } void wxNSTextFieldControl::SetMaxLength(unsigned long len) { [GetFormatter() setMaxLength:len]; } void wxNSTextFieldControl::ForceUpper() { [GetFormatter() forceUpper]; } void wxNSTextFieldControl::Copy() { NSText* editor = [m_textField currentEditor]; if ( editor ) { [editor copy:nil]; } } void wxNSTextFieldControl::Cut() { NSText* editor = [m_textField currentEditor]; if ( editor ) { [editor cut:nil]; } } void wxNSTextFieldControl::Paste() { NSText* editor = [m_textField currentEditor]; if ( editor ) { [editor paste:nil]; } } bool wxNSTextFieldControl::CanPaste() const { return true; } void wxNSTextFieldControl::SetEditable(bool editable) { [m_textField setEditable:editable]; } long wxNSTextFieldControl::GetLastPosition() const { return [[m_textField stringValue] length]; } void wxNSTextFieldControl::GetSelection( long* from, long* to) const { NSText* editor = [m_textField currentEditor]; if ( editor ) { NSRange range = [editor selectedRange]; *from = range.location; *to = range.location + range.length; } else { *from = m_selStart; *to = m_selEnd; } } void wxNSTextFieldControl::SetSelection( long from , long to ) { long textLength = [[m_textField stringValue] length]; if ((from == -1) && (to == -1)) { from = 0 ; to = textLength ; } else { from = wxMin(textLength,wxMax(from,0)) ; if ( to == -1 ) to = textLength; else to = wxMax(0,wxMin(textLength,to)) ; } NSText* editor = [m_textField currentEditor]; if ( editor ) { [editor setSelectedRange:NSMakeRange(from, to-from)]; } // the editor might still be in existence, but we might be already passed our 'focus lost' storage // of the selection, so make sure we copy this m_selStart = from; m_selEnd = to; } bool wxNSTextFieldControl::PositionToXY(long pos, long *x, long *y) const { wxCHECK_MSG( pos >= 0, false, wxS("Invalid character position") ); if ( pos > [[m_textField stringValue] length] ) return false; if ( y ) *y = 0; if ( x ) *x = pos; return true; } long wxNSTextFieldControl::XYToPosition(long x, long y) const { wxCHECK_MSG( x >= 0 && y >= 0, -1, wxS("Invalid line/column number") ); // Last valid position is after the last character. if ( y != 0 || x > [[m_textField stringValue] length] ) return -1; return x; } void wxNSTextFieldControl::ShowPosition(long pos) { wxCHECK_RET( pos >= 0, wxS("Invalid character position") ); NSText* editor = [m_textField currentEditor]; if ( editor ) { [editor scrollRangeToVisible:NSMakeRange(pos, 1)]; } } void wxNSTextFieldControl::WriteText(const wxString& str) { NSEvent* formerEvent = m_lastKeyDownEvent; m_lastKeyDownEvent = nil; NSText* editor = [m_textField currentEditor]; if ( editor ) { wxMacEditHelper helper(m_textField); BOOL hasUndo = [editor respondsToSelector:@selector(setAllowsUndo:)]; if ( hasUndo ) [(NSTextView*)editor setAllowsUndo:NO]; [editor insertText:wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()]; if ( hasUndo ) [(NSTextView*)editor setAllowsUndo:YES]; } else { wxString val = GetStringValue() ; long start , end ; GetSelection( &start , &end ) ; val.Remove( start , end - start ) ; val.insert( start , str ) ; SetStringValue( val ) ; SetSelection( start + str.length() , start + str.length() ) ; } m_lastKeyDownEvent = formerEvent; } void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf), void* WXUNUSED(_cmd), void *WXUNUSED(sender)) { wxWindow* wxpeer = (wxWindow*) GetWXPeer(); if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) ) { wxCommandEvent event(wxEVT_TEXT_ENTER, wxpeer->GetId()); event.SetEventObject( wxpeer ); event.SetString( GetTextEntry()->GetValue() ); wxpeer->HandleWindowEvent( event ); } } void wxNSTextFieldControl::SetInternalSelection( long from , long to ) { m_selStart = from; m_selEnd = to; } void wxNSTextFieldControl::UpdateInternalSelectionFromEditor( wxNSTextFieldEditor* fieldEditor ) { if ( fieldEditor ) { NSRange range = [fieldEditor selectedRange]; SetInternalSelection(range.location, range.location + range.length); } } // as becoming first responder on a window - triggers a resign on the same control, we have to avoid // the resign notification writing back native selection values before we can set our own static WXWidget s_widgetBecomingFirstResponder = nil; bool wxNSTextFieldControl::becomeFirstResponder(WXWidget slf, void *_cmd) { s_widgetBecomingFirstResponder = slf; bool retval = wxWidgetCocoaImpl::becomeFirstResponder(slf, _cmd); s_widgetBecomingFirstResponder = nil; return retval; } bool wxNSTextFieldControl::resignFirstResponder(WXWidget slf, void *_cmd) { if ( slf != s_widgetBecomingFirstResponder ) { NSText* editor = [m_textField currentEditor]; if ( editor ) { NSRange range = [editor selectedRange]; m_selStart = range.location; m_selEnd = range.location + range.length; } } return wxWidgetCocoaImpl::resignFirstResponder(slf, _cmd); } bool wxNSTextFieldControl::SetHint(const wxString& hint) { wxCFStringRef hintstring(hint); [[m_textField cell] setPlaceholderString:hintstring.AsNSString()]; return true; } void wxNSTextFieldControl::SetJustification() { if ( !m_textField ) return; NSTextAlignment align; if ( m_wxPeer->HasFlag(wxTE_RIGHT) ) align = NSRightTextAlignment; else if ( m_wxPeer->HasFlag(wxTE_CENTRE) ) align = NSCenterTextAlignment; else // wxTE_LEFT == 0 align = NSLeftTextAlignment; [m_textField setAlignment:align]; } // // // wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer, wxWindowMac* WXUNUSED(parent), wxWindowID WXUNUSED(id), const wxString& str, const wxPoint& pos, const wxSize& size, long style, long WXUNUSED(extraStyle)) { NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ; wxWidgetCocoaImpl* c = NULL; if ( style & wxTE_MULTILINE ) { wxNSTextScrollView* v = nil; v = [[wxNSTextScrollView alloc] initWithFrame:r]; wxNSTextViewControl* t = new wxNSTextViewControl( wxpeer, v, style ); c = t; c->SetNeedsFocusRect( true ); t->SetStringValue(str); } else { NSTextField* v = nil; if ( style & wxTE_PASSWORD ) v = [[wxNSSecureTextField alloc] initWithFrame:r]; else v = [[wxNSTextField alloc] initWithFrame:r]; if ( style & wxTE_RIGHT) { [v setAlignment:NSRightTextAlignment]; } else if ( style & wxTE_CENTRE) { [v setAlignment:NSCenterTextAlignment]; } NSTextFieldCell* cell = [v cell]; [cell setWraps:NO]; [cell setScrollable:YES]; wxNSTextFieldControl* t = new wxNSTextFieldControl( wxpeer, wxpeer, v ); c = t; if ( (style & wxNO_BORDER) || (style & wxSIMPLE_BORDER) ) { // under 10.7 the textcontrol can draw its own focus // even if no border is shown, on previous systems // we have to emulate this [v setBezeled:NO]; [v setBordered:NO]; } else { // use native border c->SetNeedsFrame(false); } t->SetStringValue(str); } return c; } #endif // wxUSE_TEXTCTRL