Return NULL from wxWindow::GetCapture() when the capture is being lost.

[wxWidgets.git] / src / cocoa / listbox.mm

diff --git a/src/cocoa/listbox.mm b/src/cocoa/listbox.mm
index 50b5c7947292d66957773b42a53d7cf047b25620..f75f35c0ab43bd7ca0999f6993985c5dea57d140 100644 (file)
--- a/src/cocoa/listbox.mm
+++ b/src/cocoa/listbox.mm
@@ -4,9 +4,8 @@
 // Author:      David Elliott
 // Modified by:
 // Created:     2003/03/18
-// Id:          $Id$
 // Copyright:   (c) 2003 David Elliott
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
@@ -33,23 +32,6 @@
 #import <AppKit/NSScrollView.h>
 #import <AppKit/NSCell.h>
   
-// ============================================================================
-// @class wxCocoaListBoxNSTableDataSource
-// ============================================================================
-// 2.8 hack: We can't add an i-var to wxListBox so we add one here
-@interface wxCocoaListBoxNSTableDataSource : wxCocoaNSTableDataSource
-{
-    BOOL m_needsUpdate;
-}
-
-@end
-WX_DECLARE_GET_OBJC_CLASS(wxCocoaListBoxNSTableDataSource,wxCocoaNSTableDataSource)
-
-@implementation wxCocoaListBoxNSTableDataSource
-// No methods
-@end
-WX_IMPLEMENT_GET_OBJC_CLASS_WITH_UNIQUIFIED_SUPERCLASS(wxCocoaListBoxNSTableDataSource,wxCocoaNSTableDataSource)
-
 
 // ============================================================================
 // helper functions
@@ -85,9 +67,7 @@ static void _SetWidthOfTableColumnToFitItems(NSTableColumn *tableColumn, NSArray
 // class wxListBox
 // ============================================================================
 
-IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
 BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase)
-    EVT_IDLE(wxListBox::_WxCocoa_OnIdle)
 END_EVENT_TABLE()
 WX_IMPLEMENT_COCOA_OWNER(wxListBox,NSTableView,NSControl,NSView)
 
@@ -155,12 +135,14 @@ The listbox contents are sorted in alphabetical order.
     [GetNSTableView() setHeaderView: nil];
 
     // Set up the data source
-    m_cocoaDataSource = [[WX_GET_OBJC_CLASS(wxCocoaListBoxNSTableDataSource) alloc] init];
+    m_cocoaDataSource = [[WX_GET_OBJC_CLASS(wxCocoaNSTableDataSource) alloc] init];
     [GetNSTableView() setDataSource:m_cocoaDataSource];
 
     // Add the single column
     NSTableColumn *tableColumn = [[NSTableColumn alloc] initWithIdentifier:nil];
     [GetNSTableView() addTableColumn: tableColumn];
+    // By default, entries should not be editable
+    [tableColumn setEditable:NO];
     [tableColumn release];
 
     [GetNSTableView() sizeToFit];
@@ -172,13 +154,25 @@ The listbox contents are sorted in alphabetical order.
     CocoaCreateNSScrollView();
     SetInitialFrameRect(pos,size);
 
-    [m_wxCocoaScrollView->GetNSScrollView() setHasVerticalScroller:YES];
-    // Pre-10.3: Always show vertical scroller, never show horizontal scroller
-    // Post-10.3: Show scrollers dynamically (turn them both on, set auto-hide)
-    if([m_wxCocoaScrollView->GetNSScrollView() respondsToSelector:@selector(setAutohidesScrollers:)])
+    if ((style & wxLB_NEEDED_SB) || (style & wxLB_ALWAYS_SB))
+    {
+        [m_wxCocoaScrollView->GetNSScrollView() setHasVerticalScroller: YES];
+    }
+
+    if (style & wxLB_HSCROLL)
+    {
+        [m_wxCocoaScrollView->GetNSScrollView() setHasHorizontalScroller: YES];
+    }
+
+    // We can't set auto-hiding individually for horizontal/vertical scrollers,
+    // so we have settled on always allowing hiding for both unless the vertical
+    // setting is "always show".
+    if (((style & wxLB_NEEDED_SB) || (style & wxLB_HSCROLL)) && !(style & wxLB_ALWAYS_SB))
     {
-        [m_wxCocoaScrollView->GetNSScrollView() setHasHorizontalScroller:YES];
-        [m_wxCocoaScrollView->GetNSScrollView() setAutohidesScrollers:YES];
+        if ([m_wxCocoaScrollView->GetNSScrollView() respondsToSelector:@selector(setAutohidesScrollers:)])
+        {
+            [m_wxCocoaScrollView->GetNSScrollView() setAutohidesScrollers: YES];
+        }
     }
 
     // Set up extended/multiple selection flags
@@ -191,6 +185,20 @@ The listbox contents are sorted in alphabetical order.
     return true;
 }
 
+wxSize wxListBox::DoGetBestSize() const
+{
+    wxSize size = wxControlWithItems::DoGetBestSize();
+    // Limit best size to 100x100. It can be smaller if none of the items are very
+    // wide or if there aren't many items, but anything bigger than 100x100 ought
+    // to be asked for by the programmer. The 100x100 size is based on being barely
+    // enough for a scroller to be usable.
+    if(size.GetWidth() > 100)
+        size.SetWidth(100);
+    if(size.GetHeight() > 100)
+        size.SetHeight(100);
+    return size;
+}
+
 wxListBox::~wxListBox()
 {
     [GetNSTableView() setDataSource: nil];
@@ -202,17 +210,17 @@ wxListBox::~wxListBox()
 
 bool wxListBox::_WxCocoa_GetNeedsUpdate()
 {
-    return static_cast<wxCocoaListBoxNSTableDataSource*>(m_cocoaDataSource)->m_needsUpdate;
+    return m_needsUpdate;
 }
 
 void wxListBox::_WxCocoa_SetNeedsUpdate(bool needsUpdate)
 {
-    static_cast<wxCocoaListBoxNSTableDataSource*>(m_cocoaDataSource)->m_needsUpdate = needsUpdate;
+    m_needsUpdate = needsUpdate;
 }
 
-void wxListBox::_WxCocoa_OnIdle(wxIdleEvent &event)
+void wxListBox::OnInternalIdle()
 {
-    event.Skip();
+    wxControlWithItems::OnInternalIdle();
     if(_WxCocoa_GetNeedsUpdate())
     {
         _SetWidthOfTableColumnToFitItems([[GetNSTableView() tableColumns] objectAtIndex:0], m_cocoaItems);