src/cocoa/radiobut.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/radiobut.mm
   3 // Purpose:     wxRadioButton
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/app.h"
  13 #include "wx/radiobut.h"
  14 #include "wx/log.h"
  15
  16 #import <AppKit/NSButton.h>
  17 #include "wx/cocoa/string.h"
  18 #include "wx/cocoa/autorelease.h"
  19
  20 #include "wx/listimpl.cpp"
  21
  22 WX_DEFINE_LIST(wxRadioButtonList);
  23
  24 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  25 // wxRadioButtonBase == wxControl
  26 BEGIN_EVENT_TABLE(wxRadioButton, wxControl)
  27 END_EVENT_TABLE()
  28 WX_IMPLEMENT_COCOA_OWNER(wxRadioButton,NSButton,NSControl,NSView)
  29
  30 bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid,
  31            const wxString& label,
  32            const wxPoint& pos,
  33            const wxSize& size,
  34            long style,
  35            const wxValidator& validator,
  36            const wxString& name)
  37 {
  38     wxAutoNSAutoreleasePool pool;
  39     m_radioMaster = NULL;
  40     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  41         return false;
  42     if(style&wxRB_GROUP)
  43     {
  44         m_radioMaster = this;
  45         m_radioSlaves.Append(this);
  46     }
  47     else if(style&wxRB_SINGLE)
  48         m_radioMaster = NULL;
  49     else
  50     {
  51         for(wxWindowList::compatibility_iterator siblingNode= GetParent()->GetChildren().GetLast();
  52             siblingNode;
  53             siblingNode = siblingNode->GetPrevious())
  54         {
  55             wxRadioButton *radioButton  = wxDynamicCast(siblingNode->GetData(),wxRadioButton);
  56             if(radioButton && radioButton!=this)
  57             {
  58                 m_radioMaster = radioButton->m_radioMaster;
  59                 wxASSERT_MSG(m_radioMaster,
  60                     "Previous radio button should be part of a group");
  61                 // Don't crash, assume user meant wxRB_SINGLE
  62                 if(m_radioMaster)
  63                     m_radioMaster->m_radioSlaves.Append(this);
  64                 break;
  65             }
  66         }
  67     }
  68
  69     m_cocoaNSView = NULL;
  70     SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
  71     [m_cocoaNSView release];
  72     [GetNSButton() setButtonType: NSRadioButton];
  73     [GetNSButton() setTitle:wxNSStringWithWxString(label)];
  74     // If it's the first in a group, it should be selected
  75     if(style&wxRB_GROUP)
  76         [GetNSButton() setState: NSOnState];
  77     [GetNSControl() sizeToFit];
  78
  79     if(m_parent)
  80         m_parent->CocoaAddChild(this);
  81     SetInitialFrameRect(pos,size);
  82
  83     return true;
  84 }
  85
  86 wxRadioButton::~wxRadioButton()
  87 {
  88     if(m_radioMaster==this)
  89     {
  90         // First get rid of ourselves (we should ALWAYS be at the head)
  91         wxRadioButtonList::compatibility_iterator slaveNode =
  92             m_radioSlaves.GetFirst();
  93         wxASSERT(slaveNode);
  94         wxASSERT(slaveNode->GetData() == this);
  95         m_radioSlaves.DeleteNode(slaveNode);
  96
  97         // Now find the new master
  98         wxRadioButton *newMaster = NULL;
  99         slaveNode = m_radioSlaves.GetFirst();
 100         if(slaveNode)
 101             newMaster = slaveNode->GetData();
 102
 103         // For each node (including the new master) set the master, remove
 104         // it from this list, and add it to the new master's list
 105         for(; slaveNode; slaveNode = m_radioSlaves.GetFirst())
 106         {
 107             wxRadioButton *radioButton = slaveNode->GetData();
 108             wxASSERT(radioButton->m_radioMaster == this);
 109             radioButton->m_radioMaster = newMaster;
 110             newMaster->m_radioSlaves.Append(radioButton);
 111             m_radioSlaves.DeleteNode(slaveNode);
 112         }
 113     }
 114     else if(m_radioMaster)
 115     {
 116         m_radioMaster->m_radioSlaves.DeleteObject(this);
 117         m_radioMaster = NULL;
 118     }
 119     // normal stuff
 120     DisassociateNSButton(m_cocoaNSView);
 121 }
 122
 123 void wxRadioButton::SetValue(bool value)
 124 {
 125     if(value)
 126         [GetNSButton() setState: NSOnState];
 127     else
 128         [GetNSButton() setState: NSOffState];
 129 }
 130
 131 bool wxRadioButton::GetValue() const
 132 {
 133     int state = [GetNSButton() state];
 134     wxASSERT(state!=NSMixedState);
 135     return state==NSOnState;
 136 }
 137
 138 void wxRadioButton::Cocoa_wxNSButtonAction(void)
 139 {
 140     wxLogDebug("wxRadioButton");
 141     if(m_radioMaster && ([GetNSButton() state] == NSOnState))
 142     {
 143         for(wxRadioButtonList::compatibility_iterator slaveNode =
 144                 m_radioMaster->m_radioSlaves.GetFirst();
 145             slaveNode; slaveNode = slaveNode->GetNext())
 146         {
 147             wxRadioButton *radioButton = slaveNode->GetData();
 148             if(radioButton!=this)
 149                 radioButton->SetValue(false);
 150         }
 151     }
 152     wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
 153     InitCommandEvent(event); //    event.SetEventObject(this);
 154     event.SetInt(GetValue());
 155     Command(event);
 156 }
 157