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[wxWidgets.git] / src / gtk / radiobut.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: radiobut.cpp
3// Purpose:
4// Author: Robert Roebling
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5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
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10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
dcf924a3 12
d968078a 13#if wxUSE_RADIOBTN
dcf924a3 14
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15#include "wx/radiobut.h"
16
9e691f46 17#include "wx/gtk/private.h"
c801d85f 18
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19//-----------------------------------------------------------------------------
20// data
21//-----------------------------------------------------------------------------
22
d7fa7eaa 23extern bool g_blockEventsOnDrag;
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24
25//-----------------------------------------------------------------------------
bb4549de 26// "clicked"
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27//-----------------------------------------------------------------------------
28
865bb325 29extern "C" {
b2ff89d6 30static
e2762ff0 31void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioButton *rb )
6de97a3b 32{
a2053b27 33 if (!rb->m_hasVMT) return;
b2ff89d6 34
f5d29b39 35 if (g_blockEventsOnDrag) return;
b2ff89d6 36
e2762ff0 37 if (!button->active) return;
b2ff89d6 38
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39 wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
40 event.SetInt( rb->GetValue() );
41 event.SetEventObject( rb );
937013e0 42 rb->HandleWindowEvent( event );
6de97a3b 43}
865bb325 44}
6de97a3b 45
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46//-----------------------------------------------------------------------------
47// wxRadioButton
48//-----------------------------------------------------------------------------
49
50IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
b2ff89d6 51
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52bool wxRadioButton::Create( wxWindow *parent,
53 wxWindowID id,
54 const wxString& label,
55 const wxPoint& pos,
56 const wxSize& size,
57 long style,
58 const wxValidator& validator,
59 const wxString& name )
6de97a3b 60{
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61 if (!PreCreation( parent, pos, size ) ||
62 !CreateBase( parent, id, pos, size, style, validator, name ))
63 {
223d09f6 64 wxFAIL_MSG( wxT("wxRadioButton creation failed") );
e8375af8 65 return false;
4dcaf11a 66 }
953704c1 67
739b7529 68 GSList* radioButtonGroup = NULL;
f938aa99 69 if (!HasFlag(wxRB_GROUP) && !HasFlag(wxRB_SINGLE))
953704c1 70 {
9864c56d 71 // search backward for last group start
222ed1d6 72 wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
d968078a 73 for (; node; node = node->GetPrevious())
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74 {
75 wxWindow *child = node->GetData();
d968078a 76 if (child->HasFlag(wxRB_GROUP) && wxIsKindOf(child, wxRadioButton))
e2762ff0 77 {
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78 radioButtonGroup = gtk_radio_button_get_group(
79 GTK_RADIO_BUTTON(child->m_widget));
80 break;
e2762ff0 81 }
e2762ff0 82 }
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83 }
84
739b7529 85 m_widget = gtk_radio_button_new_with_label( radioButtonGroup, wxGTK_CONV( label ) );
9ff9d30c 86 g_object_ref(m_widget);
b2ff89d6 87
f5d29b39 88 SetLabel(label);
6de97a3b 89
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90 g_signal_connect_after (m_widget, "clicked",
91 G_CALLBACK (gtk_radiobutton_clicked_callback), this);
b2ff89d6 92
f03fc89f 93 m_parent->DoAddChild( this );
b2ff89d6 94
abdeb9e7 95 PostCreation(size);
6de97a3b 96
d968078a 97 return true;
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98}
99
100void wxRadioButton::SetLabel( const wxString& label )
101{
223d09f6 102 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
b2ff89d6 103
afa7bd1e 104 GTKSetLabelForLabel(GTK_LABEL(GTK_BIN(m_widget)->child), label);
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105}
106
107void wxRadioButton::SetValue( bool val )
108{
223d09f6 109 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
f6bcfd97 110
953704c1 111 if (val == GetValue())
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112 return;
113
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114 g_signal_handlers_block_by_func(
115 m_widget, (void*)gtk_radiobutton_clicked_callback, this);
953704c1 116
f5d29b39 117 if (val)
953704c1 118 {
e2762ff0 119 gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widget), TRUE );
953704c1 120 }
f5d29b39 121 else
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122 {
123 // should give an assert
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124 // RL - No it shouldn't. A wxGenericValidator might try to set it
125 // as FALSE. Failing silently is probably TRTTD here.
953704c1 126 }
f6bcfd97 127
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128 g_signal_handlers_unblock_by_func(
129 m_widget, (void*)gtk_radiobutton_clicked_callback, this);
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130}
131
eb082a08 132bool wxRadioButton::GetValue() const
6de97a3b 133{
d968078a 134 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobutton") );
b2ff89d6 135
f5d29b39 136 return GTK_TOGGLE_BUTTON(m_widget)->active;
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137}
138
f03fc89f 139bool wxRadioButton::Enable( bool enable )
d3904ceb 140{
f03fc89f 141 if ( !wxControl::Enable( enable ) )
d968078a 142 return false;
b2ff89d6 143
afa7bd1e 144 gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
f03fc89f 145
d968078a 146 return true;
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147}
148
f40fdaa3 149void wxRadioButton::DoApplyWidgetStyle(GtkRcStyle *style)
868a2826 150{
f40fdaa3 151 gtk_widget_modify_style(m_widget, style);
afa7bd1e 152 gtk_widget_modify_style(GTK_BIN(m_widget)->child, style);
f96aa4d9 153}
dcf924a3 154
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155GdkWindow *
156wxRadioButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
2f073eb2 157{
ef5c70f9 158 return GTK_BUTTON(m_widget)->event_window;
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159}
160
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161// static
162wxVisualAttributes
163wxRadioButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
164{
165 wxVisualAttributes attr;
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166 // NB: we need toplevel window so that GTK+ can find the right style
167 GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
9d522606 168 GtkWidget* widget = gtk_radio_button_new_with_label(NULL, "");
bc0eb46c 169 gtk_container_add(GTK_CONTAINER(wnd), widget);
9d522606 170 attr = GetDefaultAttributesFromGTKWidget(widget);
bc0eb46c 171 gtk_widget_destroy(wnd);
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172 return attr;
173}
174
175
dcf924a3 176#endif