| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: radiobut.cpp |
| 3 | // Purpose: wxRadioButton |
| 4 | // Author: AUTHOR |
| 5 | // Modified by: JS Lair (99/11/15) adding the cyclic groupe notion for radiobox |
| 6 | // Created: ??/??/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "radiobut.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | |
| 18 | #include "wx/radiobut.h" |
| 19 | |
| 20 | #if !USE_SHARED_LIBRARY |
| 21 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) |
| 22 | #endif |
| 23 | |
| 24 | #include "wx/mac/uma.h" |
| 25 | |
| 26 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID id, |
| 27 | const wxString& label, |
| 28 | const wxPoint& pos, |
| 29 | const wxSize& size, long style, |
| 30 | const wxValidator& validator, |
| 31 | const wxString& name) |
| 32 | { |
| 33 | m_macIsUserPane = FALSE ; |
| 34 | |
| 35 | if ( !wxControl::Create(parent, id, pos, size, style, validator, name) ) |
| 36 | return false; |
| 37 | |
| 38 | m_label = label ; |
| 39 | |
| 40 | Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ; |
| 41 | |
| 42 | m_peer = new wxMacControl() ; |
| 43 | verify_noerr ( CreateRadioButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") , |
| 44 | 0 , false /* no autotoggle */ , *m_peer ) ); |
| 45 | |
| 46 | |
| 47 | MacPostControlCreate(pos,size) ; |
| 48 | |
| 49 | m_cycle = this ; |
| 50 | |
| 51 | if (HasFlag(wxRB_GROUP)) |
| 52 | { |
| 53 | AddInCycle( NULL ) ; |
| 54 | } |
| 55 | else |
| 56 | { |
| 57 | /* search backward for last group start */ |
| 58 | wxRadioButton *chief = (wxRadioButton*) NULL; |
| 59 | wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast(); |
| 60 | while (node) |
| 61 | { |
| 62 | wxWindow *child = node->GetData(); |
| 63 | if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) ) |
| 64 | { |
| 65 | chief = (wxRadioButton*) child; |
| 66 | if (child->HasFlag(wxRB_GROUP)) break; |
| 67 | } |
| 68 | node = node->GetPrevious(); |
| 69 | } |
| 70 | AddInCycle( chief ) ; |
| 71 | } |
| 72 | return TRUE; |
| 73 | } |
| 74 | |
| 75 | void wxRadioButton::SetValue(bool val) |
| 76 | { |
| 77 | wxRadioButton *cycle; |
| 78 | if ( GetControl32BitValue( *m_peer ) == val ) |
| 79 | return ; |
| 80 | |
| 81 | ::SetControl32BitValue( *m_peer , val ) ; |
| 82 | if (val) |
| 83 | { |
| 84 | cycle=this->NextInCycle(); |
| 85 | if (cycle!=NULL) { |
| 86 | while (cycle!=this) { |
| 87 | cycle->SetValue(false); |
| 88 | cycle=cycle->NextInCycle(); |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | MacRedrawControl() ; |
| 93 | } |
| 94 | |
| 95 | bool wxRadioButton::GetValue() const |
| 96 | { |
| 97 | return ::GetControl32BitValue( *m_peer ) ; |
| 98 | } |
| 99 | |
| 100 | void wxRadioButton::Command (wxCommandEvent & event) |
| 101 | { |
| 102 | SetValue ( (event.GetInt() != 0) ); |
| 103 | ProcessCommand (event); |
| 104 | } |
| 105 | |
| 106 | wxInt32 wxRadioButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) |
| 107 | { |
| 108 | // if already set -> no action |
| 109 | if ( GetValue() ) |
| 110 | return noErr; |
| 111 | |
| 112 | wxRadioButton *cycle, *old = NULL ; |
| 113 | cycle=this->NextInCycle(); |
| 114 | if (cycle!=NULL) { |
| 115 | while (cycle!=this) { |
| 116 | if ( cycle->GetValue() ) { |
| 117 | old = cycle ; |
| 118 | cycle->SetValue(false); |
| 119 | } |
| 120 | cycle=cycle->NextInCycle(); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | SetValue(true) ; |
| 125 | |
| 126 | if ( old ) { |
| 127 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, old->m_windowId ); |
| 128 | event.SetEventObject(old); |
| 129 | event.SetInt( false ); |
| 130 | old->ProcessCommand(event); |
| 131 | } |
| 132 | wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId ); |
| 133 | event2.SetEventObject(this); |
| 134 | event2.SetInt( true ); |
| 135 | ProcessCommand(event2); |
| 136 | return noErr ; |
| 137 | } |
| 138 | |
| 139 | wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle) |
| 140 | { |
| 141 | wxRadioButton *next,*current; |
| 142 | |
| 143 | if (cycle==NULL) { |
| 144 | m_cycle=this; |
| 145 | return(this); |
| 146 | } |
| 147 | else { |
| 148 | current=cycle; |
| 149 | while ((next=current->m_cycle)!=cycle) |
| 150 | current=current->m_cycle; |
| 151 | m_cycle=cycle; |
| 152 | current->m_cycle=this; |
| 153 | return(cycle); |
| 154 | } |
| 155 | } |