src/cocoa/button.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/button.mm
   3 // Purpose:     wxButton
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2002/12/30
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) 2002 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #ifndef WX_PRECOMP
  14     #include "wx/defs.h"
  15     #include "wx/button.h"
  16     #include "wx/log.h"
  17 #endif
  18
  19 #include "wx/stockitem.h"
  20 #include "wx/cocoa/autorelease.h"
  21 #include "wx/cocoa/string.h"
  22
  23 #import <AppKit/NSButton.h>
  24 #import <math.h>
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
  27 BEGIN_EVENT_TABLE(wxButton, wxButtonBase)
  28 END_EVENT_TABLE()
  29 WX_IMPLEMENT_COCOA_OWNER(wxButton,NSButton,NSControl,NSView)
  30
  31 bool wxButton::Create(wxWindow *parent, wxWindowID winid,
  32             const wxString& lbl, const wxPoint& pos,
  33             const wxSize& size, long style,
  34             const wxValidator& validator, const wxString& name)
  35 {
  36     wxString label((lbl.empty() && wxIsStockID(winid))?wxGetStockLabel(winid):lbl);
  37
  38     wxAutoNSAutoreleasePool pool;
  39     wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
  40     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  41         return false;
  42     wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
  43     m_cocoaNSView = NULL;
  44     SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
  45     // NOTE: YES we want to release this (to match the alloc).
  46     // DoAddChild(this) will retain us again since addSubView doesn't.
  47     [m_cocoaNSView release];
  48
  49     [GetNSButton() setBezelStyle:NSRoundedBezelStyle];
  50     [GetNSButton() setTitle:wxNSStringWithWxString(wxStripMenuCodes(label))];
  51     [GetNSControl() sizeToFit];
  52
  53     if(m_parent)
  54         m_parent->CocoaAddChild(this);
  55     SetInitialFrameRect(pos,size);
  56
  57     return true;
  58 }
  59
  60 wxButton::~wxButton()
  61 {
  62     DisassociateNSButton(GetNSButton());
  63 }
  64
  65 void wxButton::Cocoa_wxNSButtonAction(void)
  66 {
  67     wxLogTrace(wxTRACE_COCOA,wxT("YAY!"));
  68     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, GetId());
  69     InitCommandEvent(event); //    event.SetEventObject(this);
  70     Command(event);
  71 }
  72
  73 wxString wxButton::GetLabel() const
  74 {
  75     return wxStringWithNSString([GetNSButton() title]);
  76 }
  77
  78 void wxButton::SetLabel(const wxString& label)
  79 {
  80     [GetNSButton() setTitle:wxNSStringWithWxString(wxStripMenuCodes(label))];
  81 }
  82
  83 wxSize wxButton::DoGetBestSize() const
  84 {
  85     wxSize size = wxButtonBase::DoGetBestSize();
  86     if(!HasFlag(wxBU_EXACTFIT))
  87     {
  88         if(size.x<68)
  89             size.x = 68;
  90     }
  91     return size;
  92 }
  93
  94 static NSRect MakeNSButtonDefaultRect()
  95 {
  96     // create at (10.0,10.0) with size 20.0x20.0 (just bogus values)
  97     wxObjcAutoRefFromAlloc<NSButton*> defaultButton = [[NSButton alloc]
  98             initWithFrame:NSMakeRect(10.0,10.0,20.0,20.0)];
  99     [static_cast<NSButton*>(defaultButton) setBezelStyle:NSRoundedBezelStyle];
 100     [static_cast<NSButton*>(defaultButton) setTitle:@""];
 101     [static_cast<NSButton*>(defaultButton) sizeToFit];
 102     return [static_cast<NSButton*>(defaultButton) frame];
 103 }
 104
 105 wxSize wxButtonBase::GetDefaultSize()
 106 {
 107     static NSRect cocoaRect = MakeNSButtonDefaultRect();
 108     // Apple HIG says OK/Cancel buttons have default width of 68.
 109     return wxSize(68,(int)ceilf(cocoaRect.size.height));
 110 }
 111