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1/////////////////////////////////////////////////////////////////////////////
2// Name: radiobut.cpp
3// Purpose: wxRadioButton
cdf1e714 4// Author: David Webster
0e320a79 5// Modified by:
cdf1e714 6// Created: 10/12/99
0e320a79 7// RCS-ID: $Id$
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8// Copyright: (c) David Webster
9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#ifdef __BORLANDC__
16#pragma hdrstop
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17#endif
18
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19#ifndef WX_PRECOMP
20#include <stdio.h>
21#include "wx/setup.h"
0e320a79 22#include "wx/radiobut.h"
cdf1e714 23#include "wx/brush.h"
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24#include "wx/dcscreen.h"
25#include "wx/settings.h"
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26#endif
27
11e59d47 28#include "wx/os2/private.h"
0e320a79 29
0e320a79 30IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
0e320a79 31
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32void wxRadioButton::Init()
33{
34 m_bFocusJustSet = FALSE;
35} // end of wxRadioButton::Init
36
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37void wxRadioButton::Command (
38 wxCommandEvent& rEvent
39)
cdf1e714 40{
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41 SetValue ((rEvent.GetInt() != 0) );
42 ProcessCommand (rEvent);
43} // end of wxRadioButton::Command
44
45bool wxRadioButton::Create(
46 wxWindow* pParent
47, wxWindowID vId
48, const wxString& rsLabel
49, const wxPoint& rPos
50, const wxSize& rSize
51, long lStyle
5d4b632b 52#if wxUSE_VALIDATORS
3c299c3a 53, const wxValidator& rValidator
5d4b632b 54#endif
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55, const wxString& rsName
56)
0e320a79 57{
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58 if ( !CreateControl( pParent
59 ,vId
60 ,rPos
61 ,rSize
62 ,lStyle
5d4b632b 63#if wxUSE_VALIDATORS
1b086de1 64 ,rValidator
5d4b632b 65#endif
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66 ,rsName))
67 return FALSE;
0e320a79 68
1b086de1 69 long lSstyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0;
0e320a79 70
1b086de1 71 lSstyle |= BS_AUTORADIOBUTTON;
cdf1e714 72
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73 if (HasFlag(wxCLIP_SIBLINGS))
74 lSstyle |= WS_CLIPSIBLINGS;
75
76 if (!OS2CreateControl( _T("BUTTON")
77 ,lSstyle
78 ,rPos
79 ,rSize
80 ,rsLabel
81 ,0
82 ))
83 return FALSE;
cdf1e714 84
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85 if (HasFlag(wxRB_GROUP))
86 SetValue(TRUE);
0e320a79 87
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88 wxFont* pTextFont = new wxFont( 10
89 ,wxMODERN
90 ,wxNORMAL
91 ,wxNORMAL
92 );
93 SetFont(*pTextFont);
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94 SetSize( rPos.x
95 ,rPos.y
96 ,rSize.x
97 ,rSize.y
98 );
b3260bce 99 delete pTextFont;
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100 return TRUE;
101} // end of wxRadioButton::Create
0e320a79 102
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103wxSize wxRadioButton::DoGetBestSize() const
104{
105 static int snRadioSize = 0;
cdf1e714 106
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107 if (!snRadioSize)
108 {
109 wxScreenDC vDC;
cdf1e714 110
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111 vDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
112 snRadioSize = vDC.GetCharHeight();
113 }
114
115 wxString sStr = GetLabel();
116 int nRadioWidth;
117 int nRadioHeight;
118
119 if (!sStr.empty())
cdf1e714 120 {
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121 GetTextExtent( sStr
122 ,&nRadioWidth
123 ,&nRadioHeight
3c299c3a 124 );
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125 nRadioWidth += snRadioSize + GetCharWidth();
126 if (nRadioHeight < snRadioSize)
127 nRadioHeight = snRadioSize;
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128 }
129 else
130 {
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131 nRadioWidth = snRadioSize;
132 nRadioHeight = snRadioSize;
cdf1e714 133 }
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134 return wxSize( nRadioWidth
135 ,nRadioHeight
136 );
137} // end of wxRadioButton::DoGetBestSize
0e320a79 138
3c299c3a 139//
0e320a79 140// Get single selection, for single choice list items
3c299c3a 141//
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142bool wxRadioButton::GetValue() const
143{
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144 return((::WinSendMsg((HWND) GetHWND(), BM_QUERYCHECK, (MPARAM)0L, (MPARAM)0L) != 0));
145} // end of wxRadioButton::GetValue
0e320a79 146
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147bool wxRadioButton::OS2Command(
148 WXUINT wParam
149, WXWORD wId
150)
cdf1e714 151{
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152 if (wParam == BN_CLICKED)
153 {
154 wxCommandEvent rEvent( wxEVT_COMMAND_RADIOBUTTON_SELECTED
155 ,m_windowId
156 );
cdf1e714 157
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158 rEvent.SetEventObject(this);
159 ProcessCommand(rEvent);
160 return TRUE;
161 }
162 else
163 return FALSE;
164} // end of wxRadioButton::OS2Command
cdf1e714 165
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166void wxRadioButton::SetFocus()
167{
168 // when the radio button receives a WM_SETFOCUS message it generates a
169 // BN_CLICKED which is totally unexpected and leads to catastrophic results
170 // if you pop up a dialog from the radio button event handler as, when the
171 // dialog is dismissed, the focus is returned to the radio button which
172 // generates BN_CLICKED which leads to showing another dialog and so on
173 // without end!
174 //
175 // to aviod this, we drop the pseudo BN_CLICKED events generated when the
176 // button gains focus
177 m_bFocusJustSet = TRUE;
178
179 wxControl::SetFocus();
180}
181
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182void wxRadioButton::SetLabel(
183 const wxString& rsLabel
184)
cdf1e714 185{
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186 ::WinSetWindowText((HWND)GetHWND(), (const char *)rsLabel.c_str());
187} // end of wxRadioButton::SetLabel
cdf1e714 188
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189void wxRadioButton::SetValue(
190 bool bValue
191)
cdf1e714 192{
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193 ::WinSendMsg((HWND)GetHWND(), BM_SETCHECK, (MPARAM)bValue, (MPARAM)0);
194} // end of wxRadioButton::SetValue
0e320a79 195