| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: radiobut.cpp |
| 3 | // Purpose: wxRadioButton |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/12/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include <stdio.h> |
| 21 | #include "wx/setup.h" |
| 22 | #include "wx/radiobut.h" |
| 23 | #include "wx/brush.h" |
| 24 | #include "wx/dcscreen.h" |
| 25 | #include "wx/settings.h" |
| 26 | #endif |
| 27 | |
| 28 | #include "wx/os2/private.h" |
| 29 | |
| 30 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) |
| 31 | |
| 32 | void wxRadioButton::Init() |
| 33 | { |
| 34 | m_bFocusJustSet = FALSE; |
| 35 | } // end of wxRadioButton::Init |
| 36 | |
| 37 | void wxRadioButton::Command ( |
| 38 | wxCommandEvent& rEvent |
| 39 | ) |
| 40 | { |
| 41 | SetValue ((rEvent.GetInt() != 0) ); |
| 42 | ProcessCommand (rEvent); |
| 43 | } // end of wxRadioButton::Command |
| 44 | |
| 45 | bool wxRadioButton::Create( |
| 46 | wxWindow* pParent |
| 47 | , wxWindowID vId |
| 48 | , const wxString& rsLabel |
| 49 | , const wxPoint& rPos |
| 50 | , const wxSize& rSize |
| 51 | , long lStyle |
| 52 | #if wxUSE_VALIDATORS |
| 53 | , const wxValidator& rValidator |
| 54 | #endif |
| 55 | , const wxString& rsName |
| 56 | ) |
| 57 | { |
| 58 | if ( !CreateControl( pParent |
| 59 | ,vId |
| 60 | ,rPos |
| 61 | ,rSize |
| 62 | ,lStyle |
| 63 | #if wxUSE_VALIDATORS |
| 64 | ,rValidator |
| 65 | #endif |
| 66 | ,rsName)) |
| 67 | return FALSE; |
| 68 | |
| 69 | long lSstyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0; |
| 70 | |
| 71 | lSstyle |= BS_AUTORADIOBUTTON; |
| 72 | |
| 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; |
| 84 | |
| 85 | if (HasFlag(wxRB_GROUP)) |
| 86 | SetValue(TRUE); |
| 87 | |
| 88 | wxFont* pTextFont = new wxFont( 10 |
| 89 | ,wxMODERN |
| 90 | ,wxNORMAL |
| 91 | ,wxNORMAL |
| 92 | ); |
| 93 | SetFont(*pTextFont); |
| 94 | SetSize( rPos.x |
| 95 | ,rPos.y |
| 96 | ,rSize.x |
| 97 | ,rSize.y |
| 98 | ); |
| 99 | delete pTextFont; |
| 100 | return TRUE; |
| 101 | } // end of wxRadioButton::Create |
| 102 | |
| 103 | wxSize wxRadioButton::DoGetBestSize() const |
| 104 | { |
| 105 | static int snRadioSize = 0; |
| 106 | |
| 107 | if (!snRadioSize) |
| 108 | { |
| 109 | wxScreenDC vDC; |
| 110 | |
| 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()) |
| 120 | { |
| 121 | GetTextExtent( sStr |
| 122 | ,&nRadioWidth |
| 123 | ,&nRadioHeight |
| 124 | ); |
| 125 | nRadioWidth += snRadioSize + GetCharWidth(); |
| 126 | if (nRadioHeight < snRadioSize) |
| 127 | nRadioHeight = snRadioSize; |
| 128 | } |
| 129 | else |
| 130 | { |
| 131 | nRadioWidth = snRadioSize; |
| 132 | nRadioHeight = snRadioSize; |
| 133 | } |
| 134 | return wxSize( nRadioWidth |
| 135 | ,nRadioHeight |
| 136 | ); |
| 137 | } // end of wxRadioButton::DoGetBestSize |
| 138 | |
| 139 | // |
| 140 | // Get single selection, for single choice list items |
| 141 | // |
| 142 | bool wxRadioButton::GetValue() const |
| 143 | { |
| 144 | return((::WinSendMsg((HWND) GetHWND(), BM_QUERYCHECK, (MPARAM)0L, (MPARAM)0L) != 0)); |
| 145 | } // end of wxRadioButton::GetValue |
| 146 | |
| 147 | bool wxRadioButton::OS2Command( |
| 148 | WXUINT wParam |
| 149 | , WXWORD wId |
| 150 | ) |
| 151 | { |
| 152 | if (wParam == BN_CLICKED) |
| 153 | { |
| 154 | wxCommandEvent rEvent( wxEVT_COMMAND_RADIOBUTTON_SELECTED |
| 155 | ,m_windowId |
| 156 | ); |
| 157 | |
| 158 | rEvent.SetEventObject(this); |
| 159 | ProcessCommand(rEvent); |
| 160 | return TRUE; |
| 161 | } |
| 162 | else |
| 163 | return FALSE; |
| 164 | } // end of wxRadioButton::OS2Command |
| 165 | |
| 166 | void 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 | |
| 182 | void wxRadioButton::SetLabel( |
| 183 | const wxString& rsLabel |
| 184 | ) |
| 185 | { |
| 186 | ::WinSetWindowText((HWND)GetHWND(), (const char *)rsLabel.c_str()); |
| 187 | } // end of wxRadioButton::SetLabel |
| 188 | |
| 189 | void wxRadioButton::SetValue( |
| 190 | bool bValue |
| 191 | ) |
| 192 | { |
| 193 | ::WinSendMsg((HWND)GetHWND(), BM_SETCHECK, (MPARAM)bValue, (MPARAM)0); |
| 194 | } // end of wxRadioButton::SetValue |
| 195 | |
| 196 | MRESULT wxRadioButton::OS2WindowProc( |
| 197 | WXUINT uMsg |
| 198 | , WXWPARAM wParam |
| 199 | , WXLPARAM lParam |
| 200 | ) |
| 201 | { |
| 202 | if (uMsg == WM_SETFOCUS) |
| 203 | { |
| 204 | m_bFocusJustSet = TRUE; |
| 205 | |
| 206 | MRESULT mRc = wxControl::OS2WindowProc( uMsg |
| 207 | ,wParam |
| 208 | ,lParam |
| 209 | ); |
| 210 | |
| 211 | m_bFocusJustSet = FALSE; |
| 212 | return mRc; |
| 213 | } |
| 214 | return wxControl::OS2WindowProc( uMsg |
| 215 | ,wParam |
| 216 | ,lParam |
| 217 | ); |
| 218 | } // end of wxRadioButton::OS2WindowProc |