| 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: wxWidgets licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | #ifndef WX_PRECOMP |
| 14 | #include "wx/log.h" |
| 15 | #include "wx/app.h" |
| 16 | #include "wx/radiobut.h" |
| 17 | #endif //WX_PRECOMP |
| 18 | |
| 19 | #import <AppKit/NSButton.h> |
| 20 | #include "wx/cocoa/string.h" |
| 21 | #include "wx/cocoa/autorelease.h" |
| 22 | |
| 23 | #include "wx/listimpl.cpp" |
| 24 | |
| 25 | WX_DEFINE_LIST(wxRadioButtonList); |
| 26 | |
| 27 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) |
| 28 | // wxRadioButtonBase == wxControl |
| 29 | BEGIN_EVENT_TABLE(wxRadioButton, wxControl) |
| 30 | END_EVENT_TABLE() |
| 31 | WX_IMPLEMENT_COCOA_OWNER(wxRadioButton,NSButton,NSControl,NSView) |
| 32 | |
| 33 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid, |
| 34 | const wxString& label, |
| 35 | const wxPoint& pos, |
| 36 | const wxSize& size, |
| 37 | long style, |
| 38 | const wxValidator& validator, |
| 39 | const wxString& name) |
| 40 | { |
| 41 | wxAutoNSAutoreleasePool pool; |
| 42 | m_radioMaster = NULL; |
| 43 | if(!CreateControl(parent,winid,pos,size,style,validator,name)) |
| 44 | return false; |
| 45 | if(style&wxRB_GROUP) |
| 46 | { |
| 47 | m_radioMaster = this; |
| 48 | m_radioSlaves.Append(this); |
| 49 | } |
| 50 | else if(style&wxRB_SINGLE) |
| 51 | m_radioMaster = NULL; |
| 52 | else |
| 53 | { |
| 54 | for(wxWindowList::compatibility_iterator siblingNode= GetParent()->GetChildren().GetLast(); |
| 55 | siblingNode; |
| 56 | siblingNode = siblingNode->GetPrevious()) |
| 57 | { |
| 58 | wxRadioButton *radioButton = wxDynamicCast(siblingNode->GetData(),wxRadioButton); |
| 59 | if(radioButton && radioButton!=this) |
| 60 | { |
| 61 | m_radioMaster = radioButton->m_radioMaster; |
| 62 | wxASSERT_MSG(m_radioMaster, |
| 63 | wxT("Previous radio button should be part of a group")); |
| 64 | // Don't crash, assume user meant wxRB_SINGLE |
| 65 | if(m_radioMaster) |
| 66 | m_radioMaster->m_radioSlaves.Append(this); |
| 67 | break; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | m_cocoaNSView = NULL; |
| 73 | SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]); |
| 74 | [m_cocoaNSView release]; |
| 75 | [GetNSButton() setButtonType: NSRadioButton]; |
| 76 | [GetNSButton() setTitle:wxNSStringWithWxString(label)]; |
| 77 | // If it's the first in a group, it should be selected |
| 78 | if(style&wxRB_GROUP) |
| 79 | [GetNSButton() setState: NSOnState]; |
| 80 | [GetNSControl() sizeToFit]; |
| 81 | |
| 82 | if(m_parent) |
| 83 | m_parent->CocoaAddChild(this); |
| 84 | SetInitialFrameRect(pos,size); |
| 85 | |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | wxRadioButton::~wxRadioButton() |
| 90 | { |
| 91 | if(m_radioMaster==this) |
| 92 | { |
| 93 | // First get rid of ourselves (we should ALWAYS be at the head) |
| 94 | wxRadioButtonList::compatibility_iterator slaveNode = |
| 95 | m_radioSlaves.GetFirst(); |
| 96 | wxASSERT(slaveNode); |
| 97 | wxASSERT(slaveNode->GetData() == this); |
| 98 | m_radioSlaves.Erase(slaveNode); |
| 99 | |
| 100 | // Now find the new master |
| 101 | wxRadioButton *newMaster = NULL; |
| 102 | slaveNode = m_radioSlaves.GetFirst(); |
| 103 | if(slaveNode) |
| 104 | newMaster = slaveNode->GetData(); |
| 105 | |
| 106 | // For each node (including the new master) set the master, remove |
| 107 | // it from this list, and add it to the new master's list |
| 108 | for(; slaveNode; slaveNode = m_radioSlaves.GetFirst()) |
| 109 | { |
| 110 | wxRadioButton *radioButton = slaveNode->GetData(); |
| 111 | wxASSERT(radioButton->m_radioMaster == this); |
| 112 | radioButton->m_radioMaster = newMaster; |
| 113 | newMaster->m_radioSlaves.Append(radioButton); |
| 114 | m_radioSlaves.Erase(slaveNode); |
| 115 | } |
| 116 | } |
| 117 | else if(m_radioMaster) |
| 118 | { |
| 119 | m_radioMaster->m_radioSlaves.DeleteObject(this); |
| 120 | m_radioMaster = NULL; |
| 121 | } |
| 122 | // normal stuff |
| 123 | DisassociateNSButton(GetNSButton()); |
| 124 | } |
| 125 | |
| 126 | void wxRadioButton::SetValue(bool value) |
| 127 | { |
| 128 | if(value) |
| 129 | [GetNSButton() setState: NSOnState]; |
| 130 | else |
| 131 | [GetNSButton() setState: NSOffState]; |
| 132 | } |
| 133 | |
| 134 | bool wxRadioButton::GetValue() const |
| 135 | { |
| 136 | int state = [GetNSButton() state]; |
| 137 | wxASSERT(state!=NSMixedState); |
| 138 | return state==NSOnState; |
| 139 | } |
| 140 | |
| 141 | void wxRadioButton::Cocoa_wxNSButtonAction(void) |
| 142 | { |
| 143 | wxLogTrace(wxTRACE_COCOA,wxT("wxRadioButton")); |
| 144 | if(m_radioMaster && ([GetNSButton() state] == NSOnState)) |
| 145 | { |
| 146 | for(wxRadioButtonList::compatibility_iterator slaveNode = |
| 147 | m_radioMaster->m_radioSlaves.GetFirst(); |
| 148 | slaveNode; slaveNode = slaveNode->GetNext()) |
| 149 | { |
| 150 | wxRadioButton *radioButton = slaveNode->GetData(); |
| 151 | if(radioButton!=this) |
| 152 | radioButton->SetValue(false); |
| 153 | } |
| 154 | } |
| 155 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
| 156 | InitCommandEvent(event); // event.SetEventObject(this); |
| 157 | event.SetInt(GetValue()); |
| 158 | Command(event); |
| 159 | } |
| 160 | |