| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/tglbtn.cpp |
| 3 | // Purpose: Definition of the wxToggleButton class, which implements a |
| 4 | // toggle button under wxMSW. |
| 5 | // Author: John Norris, minor changes by Axel Schlueter |
| 6 | // and William Gallafent. |
| 7 | // Modified by: |
| 8 | // Created: 08.02.01 |
| 9 | // RCS-ID: $Id$ |
| 10 | // Copyright: (c) 2000 Johnny C. Norris II |
| 11 | // Licence: wxWindows licence |
| 12 | ///////////////////////////////////////////////////////////////////////////// |
| 13 | |
| 14 | // ============================================================================ |
| 15 | // declarations |
| 16 | // ============================================================================ |
| 17 | |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | // headers |
| 20 | // ---------------------------------------------------------------------------- |
| 21 | |
| 22 | #include "wx/wxprec.h" |
| 23 | |
| 24 | #ifdef __BORLANDC__ |
| 25 | #pragma hdrstop |
| 26 | #endif |
| 27 | |
| 28 | #if wxUSE_TOGGLEBTN |
| 29 | |
| 30 | #include "wx/tglbtn.h" |
| 31 | |
| 32 | #ifndef WX_PRECOMP |
| 33 | #include "wx/button.h" |
| 34 | #include "wx/brush.h" |
| 35 | #include "wx/dcscreen.h" |
| 36 | #include "wx/settings.h" |
| 37 | |
| 38 | #include "wx/log.h" |
| 39 | #endif // WX_PRECOMP |
| 40 | |
| 41 | #include "wx/msw/private.h" |
| 42 | #include "wx/msw/private/button.h" |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // macros |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | wxDEFINE_EVENT( wxEVT_TOGGLEBUTTON, wxCommandEvent ); |
| 49 | |
| 50 | // ============================================================================ |
| 51 | // implementation |
| 52 | // ============================================================================ |
| 53 | |
| 54 | //----------------------------------------------------------------------------- |
| 55 | // wxBitmapToggleButton |
| 56 | //----------------------------------------------------------------------------- |
| 57 | |
| 58 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapToggleButton, wxToggleButton) |
| 59 | |
| 60 | bool wxBitmapToggleButton::Create( wxWindow *parent, wxWindowID id, |
| 61 | const wxBitmap& label,const wxPoint& pos, const wxSize& size, long style, |
| 62 | const wxValidator& validator, const wxString& name ) |
| 63 | { |
| 64 | if (!wxToggleButton::Create( parent, id, wxEmptyString, pos, size, style, validator, name )) |
| 65 | return false; |
| 66 | |
| 67 | SetBitmap(label); |
| 68 | |
| 69 | if (size.x == -1 || size.y == -1) |
| 70 | { |
| 71 | wxSize new_size = GetBestSize(); |
| 72 | if (size.x != -1) |
| 73 | new_size.x = size.x; |
| 74 | if (size.y != -1) |
| 75 | new_size.y = size.y; |
| 76 | SetSize( new_size ); |
| 77 | } |
| 78 | |
| 79 | return true; |
| 80 | } |
| 81 | |
| 82 | |
| 83 | // ---------------------------------------------------------------------------- |
| 84 | // wxToggleButton |
| 85 | // ---------------------------------------------------------------------------- |
| 86 | |
| 87 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) |
| 88 | |
| 89 | void wxToggleButton::Init() |
| 90 | { |
| 91 | m_state = false; |
| 92 | } |
| 93 | |
| 94 | // Single check box item |
| 95 | bool wxToggleButton::Create(wxWindow *parent, |
| 96 | wxWindowID id, |
| 97 | const wxString& label, |
| 98 | const wxPoint& pos, |
| 99 | const wxSize& size, long style, |
| 100 | const wxValidator& validator, |
| 101 | const wxString& name) |
| 102 | { |
| 103 | Init(); |
| 104 | |
| 105 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
| 106 | return false; |
| 107 | |
| 108 | // if the label contains several lines we must explicitly tell the button |
| 109 | // about it or it wouldn't draw it correctly ("\n"s would just appear as |
| 110 | // black boxes) |
| 111 | // |
| 112 | // NB: we do it here and not in MSWGetStyle() because we need the label |
| 113 | // value and the label is not set yet when MSWGetStyle() is called |
| 114 | WXDWORD exstyle; |
| 115 | WXDWORD msStyle = MSWGetStyle(style, &exstyle); |
| 116 | msStyle |= wxMSWButton::GetMultilineStyle(label); |
| 117 | |
| 118 | return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, exstyle); |
| 119 | } |
| 120 | |
| 121 | WXDWORD wxToggleButton::MSWGetStyle(long style, WXDWORD *exstyle) const |
| 122 | { |
| 123 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); |
| 124 | |
| 125 | msStyle |= BS_AUTOCHECKBOX | BS_PUSHLIKE | WS_TABSTOP; |
| 126 | |
| 127 | if ( style & wxBU_LEFT ) |
| 128 | msStyle |= BS_LEFT; |
| 129 | if ( style & wxBU_RIGHT ) |
| 130 | msStyle |= BS_RIGHT; |
| 131 | if ( style & wxBU_TOP ) |
| 132 | msStyle |= BS_TOP; |
| 133 | if ( style & wxBU_BOTTOM ) |
| 134 | msStyle |= BS_BOTTOM; |
| 135 | |
| 136 | return msStyle; |
| 137 | } |
| 138 | |
| 139 | void wxToggleButton::SetValue(bool val) |
| 140 | { |
| 141 | m_state = val; |
| 142 | if ( IsOwnerDrawn() ) |
| 143 | { |
| 144 | Refresh(); |
| 145 | } |
| 146 | else |
| 147 | { |
| 148 | ::SendMessage(GetHwnd(), BM_SETCHECK, val, 0); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | bool wxToggleButton::GetValue() const |
| 153 | { |
| 154 | if ( IsOwnerDrawn() ) |
| 155 | { |
| 156 | return m_state; |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | return ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) == BST_CHECKED; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | void wxToggleButton::Command(wxCommandEvent& event) |
| 165 | { |
| 166 | SetValue(event.GetInt() != 0); |
| 167 | ProcessCommand(event); |
| 168 | } |
| 169 | |
| 170 | bool wxToggleButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
| 171 | { |
| 172 | if ( param != BN_CLICKED && param != BN_DBLCLK ) |
| 173 | return false; |
| 174 | |
| 175 | // first update the value so that user event handler gets the new |
| 176 | // toggle button value |
| 177 | |
| 178 | // ownerdrawn buttons don't manage their state themselves unlike usual |
| 179 | // auto checkboxes so do it ourselves in any case |
| 180 | m_state = !m_state; |
| 181 | |
| 182 | wxCommandEvent event(wxEVT_TOGGLEBUTTON, m_windowId); |
| 183 | event.SetInt(GetValue()); |
| 184 | event.SetEventObject(this); |
| 185 | ProcessCommand(event); |
| 186 | return true; |
| 187 | } |
| 188 | |
| 189 | wxAnyButton::State wxToggleButton::GetNormalState() const |
| 190 | { |
| 191 | if ( GetValue() ) |
| 192 | return State_Pressed; |
| 193 | else |
| 194 | return State_Normal; |
| 195 | } |
| 196 | |
| 197 | #endif // wxUSE_TOGGLEBTN |