Ensure that the NSTableColumn width is that of its largest item to enable
horizontal scrolling in wxListBox. Copyright 2008 Software 2000 Ltd. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51892 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -76,6 +76,9 @@ protected:
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WX_NSMutableArray m_cocoaItems;
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wxArrayPtrVoid m_itemClientData;
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struct objc_object *m_cocoaDataSource;
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inline bool _WxCocoa_GetNeedsUpdate();
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inline void _WxCocoa_SetNeedsUpdate(bool needsUpdate);
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void _WxCocoa_OnIdle(wxIdleEvent &event);
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// ------------------------------------------------------------------------
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// Implementation
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// ------------------------------------------------------------------------
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@@ -31,9 +31,63 @@
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#import <AppKit/NSTableView.h>
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#import <AppKit/NSTableColumn.h>
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#import <AppKit/NSScrollView.h>
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#import <AppKit/NSCell.h>
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// ============================================================================
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// @class wxCocoaListBoxNSTableDataSource
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// ============================================================================
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// 2.8 hack: We can't add an i-var to wxListBox so we add one here
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@interface wxCocoaListBoxNSTableDataSource : wxCocoaNSTableDataSource
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{
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BOOL m_needsUpdate;
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}
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@end
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WX_DECLARE_GET_OBJC_CLASS(wxCocoaListBoxNSTableDataSource,wxCocoaNSTableDataSource)
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@implementation wxCocoaListBoxNSTableDataSource
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// No methods
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@end
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WX_IMPLEMENT_GET_OBJC_CLASS_WITH_UNIQUIFIED_SUPERCLASS(wxCocoaListBoxNSTableDataSource,wxCocoaNSTableDataSource)
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// ============================================================================
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// helper functions
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// ============================================================================
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static CGFloat _TableColumnMaxWidthForItems(NSTableColumn *tableColumn, NSArray *items)
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{
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wxAutoNSAutoreleasePool pool;
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NSCell *dataCell = [[[tableColumn dataCell] copy] autorelease];
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CGFloat width = 0.0f;
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NSEnumerator *itemEnum = [items objectEnumerator];
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NSString *item;
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while( (item = [itemEnum nextObject]) != nil )
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{
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[dataCell setStringValue: item];
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NSSize itemSize = [dataCell cellSize];
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CGFloat itemWidth = itemSize.width;
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if(itemWidth > width)
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width = itemWidth;
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}
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return width;
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}
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static void _SetWidthOfTableColumnToFitItems(NSTableColumn *tableColumn, NSArray *items)
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{
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CGFloat width = _TableColumnMaxWidthForItems(tableColumn, items);
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[tableColumn setWidth:width];
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[tableColumn setMinWidth:width];
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}
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// ============================================================================
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// class wxListBox
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// ============================================================================
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IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
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BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase)
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EVT_IDLE(wxListBox::_WxCocoa_OnIdle)
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END_EVENT_TABLE()
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WX_IMPLEMENT_COCOA_OWNER(wxListBox,NSTableView,NSControl,NSView)
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@@ -101,7 +155,7 @@ The listbox contents are sorted in alphabetical order.
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[GetNSTableView() setHeaderView: nil];
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// Set up the data source
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m_cocoaDataSource = [[WX_GET_OBJC_CLASS(wxCocoaNSTableDataSource) alloc] init];
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m_cocoaDataSource = [[WX_GET_OBJC_CLASS(wxCocoaListBoxNSTableDataSource) alloc] init];
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[GetNSTableView() setDataSource:m_cocoaDataSource];
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// Add the single column
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@@ -133,7 +187,7 @@ The listbox contents are sorted in alphabetical order.
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[GetNSTableView() setAllowsMultipleSelection:true];
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[GetNSTableView() setAllowsColumnSelection:false];
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_SetWidthOfTableColumnToFitItems(tableColumn, m_cocoaItems);
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return true;
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}
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@@ -146,6 +200,28 @@ wxListBox::~wxListBox()
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DisassociateNSTableView(GetNSTableView());
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}
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bool wxListBox::_WxCocoa_GetNeedsUpdate()
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{
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return static_cast<wxCocoaListBoxNSTableDataSource*>(m_cocoaDataSource)->m_needsUpdate;
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}
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void wxListBox::_WxCocoa_SetNeedsUpdate(bool needsUpdate)
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{
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static_cast<wxCocoaListBoxNSTableDataSource*>(m_cocoaDataSource)->m_needsUpdate = needsUpdate;
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}
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void wxListBox::_WxCocoa_OnIdle(wxIdleEvent &event)
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{
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event.Skip();
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if(_WxCocoa_GetNeedsUpdate())
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{
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_SetWidthOfTableColumnToFitItems([[GetNSTableView() tableColumns] objectAtIndex:0], m_cocoaItems);
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[GetNSTableView() tile];
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(false);
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}
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}
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int wxListBox::CocoaDataSource_numberOfRows()
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{
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return [m_cocoaItems count];
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@@ -195,7 +271,7 @@ int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items, unsigned int p
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AssignNewItemClientData(pos, clientData, i, type);
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}
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(true);
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return pos - 1;
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}
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@@ -205,7 +281,7 @@ void wxListBox::DoSetFirstItem(int n)
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void* pOld = m_itemClientData[n];
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m_itemClientData[n] = m_itemClientData[0];
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m_itemClientData[0] = pOld;
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(true);
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}
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@@ -215,14 +291,14 @@ void wxListBox::DoClear()
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{
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[m_cocoaItems removeAllObjects];
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m_itemClientData.Clear();
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(true);
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}
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void wxListBox::DoDeleteOneItem(unsigned int n)
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{
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[m_cocoaItems removeObjectAtIndex:n];
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m_itemClientData.RemoveAt(n);
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(true);
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}
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// accessing strings
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@@ -241,7 +317,7 @@ void wxListBox::SetString(unsigned int n, const wxString& s)
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wxAutoNSAutoreleasePool pool;
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[m_cocoaItems removeObjectAtIndex:n];
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[m_cocoaItems insertObject: wxNSStringWithWxString(s) atIndex: n];
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[GetNSTableView() reloadData];
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_WxCocoa_SetNeedsUpdate(true);
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}
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int wxListBox::FindString(const wxString& s, bool bCase) const
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