| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/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 | |
| 14 | #if wxUSE_RADIOBTN |
| 15 | |
| 16 | #include "wx/radiobut.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/log.h" |
| 20 | #include "wx/app.h" |
| 21 | #endif //WX_PRECOMP |
| 22 | |
| 23 | #import <AppKit/NSButton.h> |
| 24 | #include "wx/cocoa/string.h" |
| 25 | #include "wx/cocoa/autorelease.h" |
| 26 | |
| 27 | #include "wx/listimpl.cpp" |
| 28 | |
| 29 | WX_DEFINE_LIST(wxRadioButtonList); |
| 30 | |
| 31 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) |
| 32 | // wxRadioButtonBase == wxControl |
| 33 | BEGIN_EVENT_TABLE(wxRadioButton, wxControl) |
| 34 | END_EVENT_TABLE() |
| 35 | WX_IMPLEMENT_COCOA_OWNER(wxRadioButton,NSButton,NSControl,NSView) |
| 36 | |
| 37 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid, |
| 38 | const wxString& label, |
| 39 | const wxPoint& pos, |
| 40 | const wxSize& size, |
| 41 | long style, |
| 42 | const wxValidator& validator, |
| 43 | const wxString& name) |
| 44 | { |
| 45 | wxAutoNSAutoreleasePool pool; |
| 46 | m_radioMaster = NULL; |
| 47 | if(!CreateControl(parent,winid,pos,size,style,validator,name)) |
| 48 | return false; |
| 49 | if(style&wxRB_GROUP) |
| 50 | { |
| 51 | m_radioMaster = this; |
| 52 | m_radioSlaves.Append(this); |
| 53 | } |
| 54 | else if(style&wxRB_SINGLE) |
| 55 | m_radioMaster = NULL; |
| 56 | else |
| 57 | { |
| 58 | for(wxWindowList::compatibility_iterator siblingNode= GetParent()->GetChildren().GetLast(); |
| 59 | siblingNode; |
| 60 | siblingNode = siblingNode->GetPrevious()) |
| 61 | { |
| 62 | wxRadioButton *radioButton = wxDynamicCast(siblingNode->GetData(),wxRadioButton); |
| 63 | if(radioButton && radioButton!=this) |
| 64 | { |
| 65 | m_radioMaster = radioButton->m_radioMaster; |
| 66 | wxASSERT_MSG(m_radioMaster, |
| 67 | wxT("Previous radio button should be part of a group")); |
| 68 | // Don't crash, assume user meant wxRB_SINGLE |
| 69 | if(m_radioMaster) |
| 70 | m_radioMaster->m_radioSlaves.Append(this); |
| 71 | break; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | m_cocoaNSView = NULL; |
| 77 | SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]); |
| 78 | [m_cocoaNSView release]; |
| 79 | [GetNSButton() setButtonType: NSRadioButton]; |
| 80 | CocoaSetLabelForObject(label, GetNSButton()); |
| 81 | // If it's the first in a group, it should be selected |
| 82 | if(style&wxRB_GROUP) |
| 83 | [GetNSButton() setState: NSOnState]; |
| 84 | [GetNSControl() sizeToFit]; |
| 85 | |
| 86 | if(m_parent) |
| 87 | m_parent->CocoaAddChild(this); |
| 88 | SetInitialFrameRect(pos,size); |
| 89 | |
| 90 | return true; |
| 91 | } |
| 92 | |
| 93 | wxRadioButton::~wxRadioButton() |
| 94 | { |
| 95 | if(m_radioMaster==this) |
| 96 | { |
| 97 | // First get rid of ourselves (we should ALWAYS be at the head) |
| 98 | wxRadioButtonList::compatibility_iterator slaveNode = |
| 99 | m_radioSlaves.GetFirst(); |
| 100 | wxASSERT(slaveNode); |
| 101 | wxASSERT(slaveNode->GetData() == this); |
| 102 | m_radioSlaves.Erase(slaveNode); |
| 103 | |
| 104 | // Now find the new master |
| 105 | wxRadioButton *newMaster = NULL; |
| 106 | slaveNode = m_radioSlaves.GetFirst(); |
| 107 | if(slaveNode) |
| 108 | newMaster = slaveNode->GetData(); |
| 109 | |
| 110 | // For each node (including the new master) set the master, remove |
| 111 | // it from this list, and add it to the new master's list |
| 112 | for(; slaveNode; slaveNode = m_radioSlaves.GetFirst()) |
| 113 | { |
| 114 | wxRadioButton *radioButton = slaveNode->GetData(); |
| 115 | wxASSERT(radioButton->m_radioMaster == this); |
| 116 | radioButton->m_radioMaster = newMaster; |
| 117 | newMaster->m_radioSlaves.Append(radioButton); |
| 118 | m_radioSlaves.Erase(slaveNode); |
| 119 | } |
| 120 | } |
| 121 | else if(m_radioMaster) |
| 122 | { |
| 123 | m_radioMaster->m_radioSlaves.DeleteObject(this); |
| 124 | m_radioMaster = NULL; |
| 125 | } |
| 126 | // normal stuff |
| 127 | DisassociateNSButton(GetNSButton()); |
| 128 | } |
| 129 | |
| 130 | void wxRadioButton::SetValue(bool value) |
| 131 | { |
| 132 | if(value) |
| 133 | { |
| 134 | [GetNSButton() setState: NSOnState]; |
| 135 | Cocoa_DeselectOtherButtonsInTheGroup(); |
| 136 | } |
| 137 | else |
| 138 | [GetNSButton() setState: NSOffState]; |
| 139 | } |
| 140 | |
| 141 | bool wxRadioButton::GetValue() const |
| 142 | { |
| 143 | int state = [GetNSButton() state]; |
| 144 | wxASSERT(state!=NSMixedState); |
| 145 | return state==NSOnState; |
| 146 | } |
| 147 | |
| 148 | void wxRadioButton::SetLabel(const wxString& label) |
| 149 | { |
| 150 | wxAutoNSAutoreleasePool pool; |
| 151 | CocoaSetLabelForObject(label, GetNSButton()); |
| 152 | } |
| 153 | |
| 154 | wxString wxRadioButton::GetLabel() const |
| 155 | { |
| 156 | return wxStringWithNSString([GetNSButton() title]); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * If this radio button is part of a group, this method turns off every other |
| 161 | * button in the group. If this radio button is not part of a group, this |
| 162 | * method does absolutely nothing. |
| 163 | */ |
| 164 | void wxRadioButton::Cocoa_DeselectOtherButtonsInTheGroup(void) |
| 165 | { |
| 166 | if(m_radioMaster) |
| 167 | { |
| 168 | for(wxRadioButtonList::compatibility_iterator slaveNode = |
| 169 | m_radioMaster->m_radioSlaves.GetFirst(); |
| 170 | slaveNode; slaveNode = slaveNode->GetNext()) |
| 171 | { |
| 172 | wxRadioButton *radioButton = slaveNode->GetData(); |
| 173 | if(radioButton!=this) |
| 174 | radioButton->SetValue(false); |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | void wxRadioButton::Cocoa_wxNSButtonAction(void) |
| 180 | { |
| 181 | wxLogTrace(wxTRACE_COCOA,wxT("wxRadioButton")); |
| 182 | if([GetNSButton() state] == NSOnState) |
| 183 | { |
| 184 | Cocoa_DeselectOtherButtonsInTheGroup(); |
| 185 | } |
| 186 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
| 187 | InitCommandEvent(event); // event.SetEventObject(this); |
| 188 | event.SetInt(GetValue()); |
| 189 | Command(event); |
| 190 | } |
| 191 | |
| 192 | #endif |