X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2406d5341f5b0eb3c447d6bcb1c170f0d9df5c35..4d572a2cace8d11a10ecea598ff342c36ec007cf:/src/osx/cocoa/dataview.mm diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm index 561042faaf..be4074a36e 100644 --- a/src/osx/cocoa/dataview.mm +++ b/src/osx/cocoa/dataview.mm @@ -21,8 +21,8 @@ #include "wx/utils.h" #endif -#include "wx/osx/cocoa/dataview.h" #include "wx/osx/private.h" +#include "wx/osx/cocoa/dataview.h" #include "wx/renderer.h" // ============================================================================ @@ -276,7 +276,6 @@ NSInteger CompareItems(id item1, id item2, void* context) NSInteger result = NSOrderedSame; for ( NSUInteger i = 0; i < count && result == NSOrderedSame; ++i ) { - // constant definition for abbreviational purposes: wxSortDescriptorObject* const sortDescriptor = (wxSortDescriptorObject*) [sortDescriptors objectAtIndex:i]; @@ -323,18 +322,24 @@ NSTableColumn* CreateNativeColumn(const wxDataViewColumn *column) // setting the size related parameters: const int width = column->GetWidthVariable(); + int resizingMask; if (column->IsResizeable()) { - [nativeColumn setResizingMask:NSTableColumnUserResizingMask]; + resizingMask = NSTableColumnUserResizingMask; [nativeColumn setMinWidth:column->GetMinWidth()]; [nativeColumn setMaxWidth:column->GetMaxWidth()]; } - else + else // column is not resizeable [by user] { - [nativeColumn setResizingMask:NSTableColumnNoResizing]; - [nativeColumn setMinWidth:width]; - [nativeColumn setMaxWidth:width]; + // if the control doesn't show a header, make the columns resize + // automatically, this is particularly important for the single column + // controls (such as wxDataViewTreeCtrl) as their unique column should + // always take up all the available splace + resizingMask = column->GetOwner()->HasFlag(wxDV_NO_HEADER) + ? NSTableColumnAutoresizingMask + : NSTableColumnNoResizing; } + [nativeColumn setResizingMask:resizingMask]; [nativeColumn setWidth:width]; #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 @@ -598,6 +603,7 @@ outlineView:(NSOutlineView*)outlineView ::CFRelease(osxData); delete dataObjects; } + return dragSuccessful; } -(id) outlineView:(NSOutlineView*)outlineView @@ -675,9 +681,10 @@ outlineView:(NSOutlineView*)outlineView } -(void) outlineView:(NSOutlineView*)outlineView sortDescriptorsDidChange:(NSArray*)oldDescriptors -// Warning: the new sort descriptors are guaranteed to be only of type NSSortDescriptor! Therefore, the -// sort descriptors for the data source have to be converted. { + // Warning: the new sort descriptors are guaranteed to be only of type + // NSSortDescriptor! Therefore, the sort descriptors for the data source + // have to be converted. NSArray* newDescriptors; NSMutableArray* wxSortDescriptors; @@ -693,23 +700,21 @@ outlineView:(NSOutlineView*)outlineView wxSortDescriptors = [NSMutableArray arrayWithCapacity:noOfDescriptors]; for (NSUInteger i=0; iGetColumn([[newDescriptor key] intValue]) ascending:[newDescriptor ascending]] autorelease]]; } - [[outlineView dataSource] setSortDescriptors:wxSortDescriptors]; + [(wxCocoaOutlineDataSource*)[outlineView dataSource] setSortDescriptors:wxSortDescriptors]; - // send first the event to wxWidgets that the sorting has changed so that the program can do special actions before - // the sorting actually starts: + // send first the event to wxWidgets that the sorting has changed so that + // the program can do special actions before the sorting actually starts: wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED,dvc->GetId()); // variable defintion event.SetEventObject(dvc); if (noOfDescriptors > 0) { - // constant definition for abbreviational purposes: wxDataViewColumn* const col = [[wxSortDescriptors objectAtIndex:0] columnPtr]; event.SetColumn(dvc->GetColumnPosition(col)); @@ -790,7 +795,9 @@ outlineView:(NSOutlineView*)outlineView } else { - CFDataRef osxData; // needed to convert internally used UTF-16 representation to a UTF-8 representation + // needed to convert internally used UTF-16 representation to a UTF-8 + // representation + CFDataRef osxData; wxDataObjectComposite* dataObjects (new wxDataObjectComposite()); wxTextDataObject* textDataObject(new wxTextDataObject()); @@ -820,10 +827,11 @@ outlineView:(NSOutlineView*)outlineView } -(BOOL) outlineView:(NSOutlineView*)outlineView writeItems:(NSArray*)writeItems toPasteboard:(NSPasteboard*)pasteboard -// the pasteboard will be filled up with an array containing the data as returned by the events (including the data type) -// and a concatenation of text (string) data; the text data will only be put onto the pasteboard if for all items a -// string representation exists { + // the pasteboard will be filled up with an array containing the data as + // returned by the events (including the data type) and a concatenation of + // text (string) data; the text data will only be put onto the pasteboard + // if for all items a string representation exists wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl(); wxDataViewItemArray dataViewItems; @@ -838,7 +846,8 @@ outlineView:(NSOutlineView*)outlineView NSMutableArray* dataArray = [[NSMutableArray arrayWithCapacity:[writeItems count]] retain]; // data of all items wxString dataString; // contains the string data of all items - // send a begin drag event for all selected items and proceed with dragging unless the event is vetoed: + // send a begin drag event for all selected items and proceed with + // dragging unless the event is vetoed: wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG,dvc->GetId()); @@ -858,9 +867,7 @@ outlineView:(NSOutlineView*)outlineView // check if event has not been vetoed: if (dvc->HandleWindowEvent(event) && event.IsAllowed() && (event.GetDataObject()->GetFormatCount() > 0)) { - // constant definition for abbreviational purposes: size_t const noOfFormats = event.GetDataObject()->GetFormatCount(); - // variable definition and initialization: wxDataFormat* dataFormats(new wxDataFormat[noOfFormats]); event.GetDataObject()->GetAllFormats(dataFormats,wxDataObject::Get); @@ -877,7 +884,10 @@ outlineView:(NSOutlineView*)outlineView switch (idDataFormat) { case wxDF_TEXT: - if (!itemStringAvailable) // otherwise wxDF_UNICODETEXT already filled up the string; and the UNICODE representation has priority + // otherwise wxDF_UNICODETEXT already filled up + // the string; and the UNICODE representation has + // priority + if (!itemStringAvailable) { event.GetDataObject()->GetDataHere(wxDF_TEXT,dataBuffer.GetAppendBuf(dataSize)); dataBuffer.UngetAppendBuf(dataSize); @@ -1284,7 +1294,9 @@ outlineView:(NSOutlineView*)outlineView { CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width; - if (cellSpace <= 0) // if the cell's frame is smaller than its contents (at least in x-direction) make sure that the image is visible: + // if the cell's frame is smaller than its contents (at least + // in x-direction) make sure that the image is visible: + if (cellSpace <= 0) NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge); else // otherwise center the image and text in the cell's frame NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+0.5*cellSpace,NSMinXEdge); @@ -1299,7 +1311,9 @@ outlineView:(NSOutlineView*)outlineView { CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width; - if (cellSpace <= 0) // if the cell's frame is smaller than its contents (at least in x-direction) make sure that the image is visible: + // if the cell's frame is smaller than its contents (at least + // in x-direction) make sure that the image is visible: + if (cellSpace <= 0) NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge); else // otherwise right align the image and text in the cell's frame NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+cellSpace,NSMinXEdge); @@ -1319,7 +1333,8 @@ outlineView:(NSOutlineView*)outlineView [self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame]; // draw the image part by ourselves; - // check if the cell has to draw its own background (checking is done by the parameter of the textfield's cell): + // check if the cell has to draw its own background (checking is done by + // the parameter of the textfield's cell): if ([self drawsBackground]) { [[self backgroundColor] set]; @@ -1327,8 +1342,10 @@ outlineView:(NSOutlineView*)outlineView } if (image != nil) { - // the image is slightly shifted (xImageShift) and has a fixed size but the image's frame might be larger and starts - // currently on the left side of the cell's frame; therefore, the origin and the image's frame size have to be adjusted: + // the image is slightly shifted (xImageShift) and has a fixed size + // but the image's frame might be larger and starts currently on the + // left side of the cell's frame; therefore, the origin and the + // image's frame size have to be adjusted: if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText) { imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText; @@ -1344,8 +1361,10 @@ outlineView:(NSOutlineView*)outlineView imageFrame.size.height = imageSize.height; imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height)); - // according to the documentation the coordinate system should be flipped for NSTableViews (y-coordinate goes from top to bottom); - // to draw an image correctly the coordinate system has to be transformed to a bottom-top coordinate system, otherwise the image's + // according to the documentation the coordinate system should be + // flipped for NSTableViews (y-coordinate goes from top to bottom); to + // draw an image correctly the coordinate system has to be transformed + // to a bottom-top coordinate system, otherwise the image's // content is flipped: NSAffineTransform* coordinateTransform([NSAffineTransform transform]); @@ -1357,14 +1376,21 @@ outlineView:(NSOutlineView*)outlineView } [image drawInRect:imageFrame fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0]; // suggested method to draw the image // instead of compositeToPoint:operation: - // take back previous transformation (if the view is not flipped the coordinate transformation matrix contains the identity matrix - // and the next two operations do not change the content's transformation matrix): + // take back previous transformation (if the view is not flipped the + // coordinate transformation matrix contains the identity matrix and + // the next two operations do not change the content's transformation + // matrix): [coordinateTransform invert]; [coordinateTransform concat]; } // let the textfield cell draw the text part: - if (textFrame.size.width > [self cellTextSize].width) // for unknown reasons the alignment of the text cell is ignored; therefore change the size so that - textFrame.size.width = [self cellTextSize].width; // alignment does not influence the visualization anymore + if (textFrame.size.width > [self cellTextSize].width) + { + // for unknown reasons the alignment of the text cell is ignored; + // therefore change the size so that alignment does not influence the + // visualization anymore + textFrame.size.width = [self cellTextSize].width; + } [super drawWithFrame:textFrame inView:controlView]; } @@ -1403,13 +1429,20 @@ outlineView:(NSOutlineView*)outlineView if (imageFrame.size.height > imageSize.height) imageFrame.size.height = imageSize.height; imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height)); - // If the point is in the image rect, then it is a content hit (see documentation for hitTestForEvent:inRect:ofView): + // If the point is in the image rect, then it is a content hit (see + // documentation for hitTestForEvent:inRect:ofView): if (NSMouseInRect(point, imageFrame, [controlView isFlipped])) return NSCellHitContentArea; } // if the image was not hit let's try the text part: - if (textFrame.size.width > [self cellTextSize].width) // for unknown reasons the alignment of the text cell is ignored; therefore change the size so that - textFrame.size.width = [self cellTextSize].width; // alignment does not influence the visualization anymore + if (textFrame.size.width > [self cellTextSize].width) + { + // for unknown reasons the alignment of the text cell is ignored; + // therefore change the size so that alignment does not influence the + // visualization anymore + textFrame.size.width = [self cellTextSize].width; + } + return [super hitTestForEvent:event inRect:textFrame ofView:controlView]; } #endif @@ -1501,12 +1534,13 @@ outlineView:(NSOutlineView*)outlineView // actions // -(void) actionDoubleClick:(id)sender -// actually the documentation (NSTableView 2007-10-31) for doubleAction: and setDoubleAction: seems to be wrong as this action message is always sent -// whether the cell is editable or not { + // actually the documentation (NSTableView 2007-10-31) for doubleAction: + // and setDoubleAction: seems to be wrong as this action message is always + // sent whether the cell is editable or not wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl(); - wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,dvc->GetId()); // variable definition + wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,dvc->GetId()); event.SetEventObject(dvc); @@ -1519,9 +1553,10 @@ outlineView:(NSOutlineView*)outlineView // contextual menus // -(NSMenu*) menuForEvent:(NSEvent*)theEvent -// this method does not do any special menu event handling but only sends an event message; therefore, the user -// has full control if a context menu should be shown or not { + // this method does not do any special menu event handling but only sends + // an event message; therefore, the user has full control if a context + // menu should be shown or not wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl(); wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU,dvc->GetId()); @@ -1532,8 +1567,9 @@ outlineView:(NSOutlineView*)outlineView event.SetEventObject(dvc); event.SetModel(dvc->GetModel()); // get the item information; - // theoretically more than one ID can be returned but the event can only handle one item, therefore only the first - // item of the array is returned: + // theoretically more than one ID can be returned but the event can only + // handle one item, therefore only the first item of the array is + // returned: if (dvc->GetSelections(selectedItems) > 0) event.SetItem(selectedItems[0]); dvc->GetEventHandler()->ProcessEvent(event); @@ -1561,13 +1597,15 @@ outlineView:(NSOutlineView*)outlineView dvc->HandleWindowEvent(event); // now, check if the click may have had an influence on sorting, too; - // the sorting setup has to be done only if the clicked table column is sortable and has not been used for - // sorting before the click; if the column is already responsible for sorting the native control changes - // the sorting direction automatically and informs the data source via outlineView:sortDescriptorsDidChange: + // the sorting setup has to be done only if the clicked table column is + // sortable and has not been used for sorting before the click; if the + // column is already responsible for sorting the native control changes + // the sorting direction automatically and informs the data source via + // outlineView:sortDescriptorsDidChange: if (col->IsSortable() && ([tableColumn sortDescriptorPrototype] == nil)) { - // remove the sort order from the previously sorted column table (it can also be that - // no sorted column table exists): + // remove the sort order from the previously sorted column table (it + // can also be that no sorted column table exists): UInt32 const noOfColumns = [outlineView numberOfColumns]; for (UInt32 i=0; iGetDataViewCtrl(); - wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,dvc->GetId()); // variable definition + wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,dvc->GetId()); event.SetEventObject(dvc); @@ -1605,7 +1643,7 @@ outlineView:(NSOutlineView*)outlineView { wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl(); - wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,dvc->GetId()); // variable definition + wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,dvc->GetId()); event.SetEventObject(dvc); @@ -1711,20 +1749,22 @@ outlineView:(NSOutlineView*)outlineView { wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl(); - wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED,dvc->GetId()); // variable definition - + wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED,dvc->GetId()); event.SetEventObject(dvc); - event.SetModel (dvc->GetModel()); + event.SetModel(dvc->GetModel()); + event.SetItem(dvc->GetSelection()); dvc->GetEventHandler()->ProcessEvent(event); } -(void) textDidBeginEditing:(NSNotification*)notification -// this notification is only sent if the user started modifying the cell (not when the user clicked into the cell -// and the cell's editor is called!) { - // call method of superclass (otherwise editing does not work correctly - the outline data source class is not - // informed about a change of data): + // this notification is only sent if the user started modifying the cell + // (not when the user clicked into the cell and the cell's editor is + // called!) + + // call method of superclass (otherwise editing does not work correctly - + // the outline data source class is not informed about a change of data): [super textDidBeginEditing:notification]; // remember the column being edited, it will be used in textDidEndEditing: @@ -1743,7 +1783,7 @@ outlineView:(NSOutlineView*)outlineView // now, send the event: wxDataViewEvent - event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED,dvc->GetId()); // variable definition + event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED,dvc->GetId()); event.SetEventObject(dvc); event.SetItem( @@ -1755,15 +1795,18 @@ outlineView:(NSOutlineView*)outlineView -(void) textDidEndEditing:(NSNotification*)notification { - // call method of superclass (otherwise editing does not work correctly - the outline data source class is not - // informed about a change of data): + // call method of superclass (otherwise editing does not work correctly - + // the outline data source class is not informed about a change of data): [super textDidEndEditing:notification]; - // under OSX an event indicating the end of an editing session can be sent even if no event indicating a start of an - // editing session has been sent (see Documentation for NSControl controlTextDidEndEditing:); this is not expected by a user - // of the wxWidgets library and therefore an wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event is only sent if a corresponding - // wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED has been sent before; to check if a wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED - // has been sent the last edited column/row are valid: + // under OSX an event indicating the end of an editing session can be sent + // even if no event indicating a start of an editing session has been sent + // (see Documentation for NSControl controlTextDidEndEditing:); this is + // not expected by a user of the wxWidgets library and therefore an + // wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event is only sent if a + // corresponding wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED has been sent + // before; to check if a wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED has + // been sent the last edited column/row are valid: if ( currentlyEditedColumn != -1 && currentlyEditedRow != -1 ) { wxDataViewColumn* const col = @@ -1774,7 +1817,7 @@ outlineView:(NSOutlineView*)outlineView // send event to wxWidgets: wxDataViewEvent - event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE,dvc->GetId()); // variable definition + event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE,dvc->GetId()); event.SetEventObject(dvc); event.SetItem( @@ -1818,12 +1861,16 @@ wxCocoaDataViewControl::wxCocoaDataViewControl(wxWindow* peer, [scrollview setAutohidesScrollers:YES]; [scrollview setDocumentView:m_OutlineView]; - // setting up the native control itself - NSUInteger maskGridStyle(NSTableViewGridNone); + // initialize the native control itself too + InitOutlineView(style); +} +void wxCocoaDataViewControl::InitOutlineView(long style) +{ [m_OutlineView setImplementation:this]; [m_OutlineView setColumnAutoresizingStyle:NSTableViewSequentialColumnAutoresizingStyle]; [m_OutlineView setIndentationPerLevel:GetDataViewCtrl()->GetIndent()]; + NSUInteger maskGridStyle(NSTableViewGridNone); if (style & wxDV_HORIZ_RULES) maskGridStyle |= NSTableViewSolidHorizontalGridLineMask; if (style & wxDV_VERT_RULES) @@ -1831,6 +1878,9 @@ wxCocoaDataViewControl::wxCocoaDataViewControl(wxWindow* peer, [m_OutlineView setGridStyleMask:maskGridStyle]; [m_OutlineView setAllowsMultipleSelection: (style & wxDV_MULTIPLE) != 0]; [m_OutlineView setUsesAlternatingRowBackgroundColors:(style & wxDV_ROW_LINES) != 0]; + + if ( style & wxDV_NO_HEADER ) + [m_OutlineView setHeaderView:nil]; } wxCocoaDataViewControl::~wxCocoaDataViewControl() @@ -1844,24 +1894,16 @@ wxCocoaDataViewControl::~wxCocoaDataViewControl() // bool wxCocoaDataViewControl::ClearColumns() { - bool const bufAllowsMultipleSelection = [m_OutlineView allowsMultipleSelection]; - - // as there is a bug in NSOutlineView version (OSX 10.5.6 #6555162) the // columns cannot be deleted if there is an outline column in the view; // therefore, the whole view is deleted and newly constructed: [m_OutlineView release]; m_OutlineView = [[wxCocoaOutlineView alloc] init]; [((NSScrollView*) GetWXWidget()) setDocumentView:m_OutlineView]; - - // setting up the native control itself - [m_OutlineView setImplementation:this]; - [m_OutlineView setColumnAutoresizingStyle:NSTableViewSequentialColumnAutoresizingStyle]; - [m_OutlineView setIndentationPerLevel:GetDataViewCtrl()->GetIndent()]; - if (bufAllowsMultipleSelection) - [m_OutlineView setAllowsMultipleSelection:YES]; [m_OutlineView setDataSource:m_DataSource]; - // done: + + InitOutlineView(GetDataViewCtrl()->GetWindowStyle()); + return true; } @@ -2522,11 +2564,13 @@ wxDataViewBitmapRenderer::wxDataViewBitmapRenderer(const wxString& varianttype, [cell release]; } +// This method returns 'true' if +// - the passed bitmap is valid and it could be assigned to the native data +// browser; +// - the passed bitmap is invalid (or is not initialized); this case +// simulates a non-existing bitmap. +// In all other cases the method returns 'false'. bool wxDataViewBitmapRenderer::MacRender() - // This method returns 'true' if - // - the passed bitmap is valid and it could be assigned to the native data browser; - // - the passed bitmap is invalid (or is not initialized); this case simulates a non-existing bitmap. - // In all other cases the method returns 'false'. { wxCHECK_MSG(GetValue().GetType() == GetVariantType(),false,wxString("Bitmap renderer cannot render value; value type: ") << GetValue().GetType()); @@ -2608,33 +2652,47 @@ bool wxDataViewDateRenderer::MacRender() if (GetValue().GetDateTime().IsValid()) { // -- find best fitting style to show the date -- - // as the style should be identical for all cells a reference date instead of the actual cell's date - // value is used for all cells; this reference date is stored in the renderer's native data section - // for speed purposes; otherwise, the reference date's string has to be recalculated for each item that - // may become timewise long if a lot of rows using dates exist; - // the algorithm has the preference to display as much information as possible in the first instance; - // but as this is often impossible due to space restrictions the style is shortened per loop; finally, - // if the shortest time and date format does not fit into the cell the time part is dropped; - // remark: the time part itself is not modified per iteration loop and only uses the short style, - // means that only the hours and minutes are being shown - [GetNativeData()->GetItemCell() setObjectValue:GetNativeData()->GetObject()]; // GetObject() returns a date for testing the size of a date object + // as the style should be identical for all cells a reference date + // instead of the actual cell's date value is used for all cells; + // this reference date is stored in the renderer's native data + // section for speed purposes; otherwise, the reference date's + // string has to be recalculated for each item that may become + // timewise long if a lot of rows using dates exist; the algorithm + // has the preference to display as much information as possible + // in the first instance; but as this is often impossible due to + // space restrictions the style is shortened per loop; finally, if + // the shortest time and date format does not fit into the cell + // the time part is dropped; remark: the time part itself is not + // modified per iteration loop and only uses the short style, + // means that only the hours and minutes are being shown + + // GetObject() returns a date for testing the size of a date object + [GetNativeData()->GetItemCell() setObjectValue:GetNativeData()->GetObject()]; [[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterShortStyle]; for (int dateFormatterStyle=4; dateFormatterStyle>0; --dateFormatterStyle) { [[GetNativeData()->GetItemCell() formatter] setDateStyle:(NSDateFormatterStyle)dateFormatterStyle]; if (dateFormatterStyle == 1) { - // if the shortest style for displaying the date and time is too long to be fully visible remove the time part of the date: + // if the shortest style for displaying the date and time + // is too long to be fully visible remove the time part of + // the date: if ([GetNativeData()->GetItemCell() cellSize].width > [GetNativeData()->GetColumnPtr() width]) [[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterNoStyle]; - break; // basically not necessary as the loop would end anyway but let's save the last comparison + { + // basically not necessary as the loop would end anyway + // but let's save the last comparison + break; + } } else if ([GetNativeData()->GetItemCell() cellSize].width <= [GetNativeData()->GetColumnPtr() width]) break; } - // set data (the style is set by the previous loop); - // on OSX the date has to be specified with respect to UTC; in wxWidgets the date is always entered in the local timezone; so, we have to do a conversion - // from the local to UTC timezone when adding the seconds to 1970-01-01 UTC: + // set data (the style is set by the previous loop); on OSX the + // date has to be specified with respect to UTC; in wxWidgets the + // date is always entered in the local timezone; so, we have to do + // a conversion from the local to UTC timezone when adding the + // seconds to 1970-01-01 UTC: [GetNativeData()->GetItemCell() setObjectValue:[NSDate dateWithTimeIntervalSince1970:GetValue().GetDateTime().ToUTC().Subtract(wxDateTime(1,wxDateTime::Jan,1970)).GetSeconds().ToDouble()]]; } return true; @@ -2856,7 +2914,8 @@ void wxDataViewColumn::SetAlignment(wxAlignment align) void wxDataViewColumn::SetBitmap(const wxBitmap& bitmap) { - // bitmaps and titles cannot exist at the same time - if the bitmap is set the title is removed: + // bitmaps and titles cannot exist at the same time - if the bitmap is set + // the title is removed: m_title = wxEmptyString; wxDataViewColumnBase::SetBitmap(bitmap); [[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setImage:[[bitmap.GetNSImage() retain] autorelease]]; @@ -2916,7 +2975,8 @@ void wxDataViewColumn::SetSortOrder(bool ascending) void wxDataViewColumn::SetTitle(const wxString& title) { - // bitmaps and titles cannot exist at the same time - if the title is set the bitmap is removed: + // bitmaps and titles cannot exist at the same time - if the title is set + // the bitmap is removed: wxDataViewColumnBase::SetBitmap(wxBitmap()); m_title = title; [[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setStringValue:[[wxCFStringRef(title).AsNSString() retain] autorelease]];