| 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 | if ( !wxControl::Create(parent, id, pos, size, style, validator, name) ) |
| 34 | return false; |
| 35 | |
| 36 | Rect bounds ; |
| 37 | Str255 title ; |
| 38 | |
| 39 | MacPreControlCreate( parent , id , label , pos , size ,style, validator , name , &bounds , title ) ; |
| 40 | |
| 41 | m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1, |
| 42 | kControlRadioButtonProc , (long) this ) ; |
| 43 | |
| 44 | MacPostControlCreate() ; |
| 45 | |
| 46 | m_cycle = this ; |
| 47 | |
| 48 | if (HasFlag(wxRB_GROUP)) |
| 49 | { |
| 50 | AddInCycle( NULL ) ; |
| 51 | } |
| 52 | else |
| 53 | { |
| 54 | /* search backward for last group start */ |
| 55 | wxRadioButton *chief = (wxRadioButton*) NULL; |
| 56 | wxWindowList::Node *node = parent->GetChildren().GetLast(); |
| 57 | while (node) |
| 58 | { |
| 59 | wxWindow *child = node->GetData(); |
| 60 | if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) ) |
| 61 | { |
| 62 | chief = (wxRadioButton*) child; |
| 63 | if (child->HasFlag(wxRB_GROUP)) break; |
| 64 | } |
| 65 | node = node->GetPrevious(); |
| 66 | } |
| 67 | AddInCycle( chief ) ; |
| 68 | } |
| 69 | return TRUE; |
| 70 | } |
| 71 | |
| 72 | void wxRadioButton::SetValue(bool val) |
| 73 | { |
| 74 | wxRadioButton *cycle; |
| 75 | if ( GetControl32BitValue( (ControlHandle) m_macControl ) == val ) |
| 76 | return ; |
| 77 | |
| 78 | ::SetControl32BitValue( (ControlHandle) m_macControl , val ) ; |
| 79 | if (val) |
| 80 | { |
| 81 | cycle=this->NextInCycle(); |
| 82 | if (cycle!=NULL) { |
| 83 | while (cycle!=this) { |
| 84 | cycle->SetValue(false); |
| 85 | cycle=cycle->NextInCycle(); |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | MacRedrawControl() ; |
| 90 | } |
| 91 | |
| 92 | bool wxRadioButton::GetValue() const |
| 93 | { |
| 94 | return ::GetControl32BitValue( (ControlHandle) m_macControl ) ; |
| 95 | } |
| 96 | |
| 97 | void wxRadioButton::Command (wxCommandEvent & event) |
| 98 | { |
| 99 | SetValue ( (event.GetInt() != 0) ); |
| 100 | ProcessCommand (event); |
| 101 | } |
| 102 | |
| 103 | void wxRadioButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown)) |
| 104 | { |
| 105 | if ( GetValue() ) |
| 106 | return ; |
| 107 | |
| 108 | wxRadioButton *cycle, *old = NULL ; |
| 109 | cycle=this->NextInCycle(); |
| 110 | if (cycle!=NULL) { |
| 111 | while (cycle!=this) { |
| 112 | if ( cycle->GetValue() ) { |
| 113 | old = cycle ; |
| 114 | cycle->SetValue(false); |
| 115 | } |
| 116 | cycle=cycle->NextInCycle(); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | SetValue(true) ; |
| 121 | |
| 122 | if ( old ) { |
| 123 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, old->m_windowId ); |
| 124 | event.SetEventObject(old); |
| 125 | event.SetInt( false ); |
| 126 | old->ProcessCommand(event); |
| 127 | } |
| 128 | wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId ); |
| 129 | event2.SetEventObject(this); |
| 130 | event2.SetInt( true ); |
| 131 | ProcessCommand(event2); |
| 132 | } |
| 133 | |
| 134 | wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle) |
| 135 | { |
| 136 | wxRadioButton *next,*current; |
| 137 | |
| 138 | if (cycle==NULL) { |
| 139 | m_cycle=this; |
| 140 | return(this); |
| 141 | } |
| 142 | else { |
| 143 | current=cycle; |
| 144 | while ((next=current->m_cycle)!=cycle) |
| 145 | current=current->m_cycle; |
| 146 | m_cycle=cycle; |
| 147 | current->m_cycle=this; |
| 148 | return(cycle); |
| 149 | } |
| 150 | } |