| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/os2/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 | // License: wxWindows licence |
| 12 | ///////////////////////////////////////////////////////////////////////////// |
| 13 | |
| 14 | // ============================================================================ |
| 15 | // declatations |
| 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 | // ---------------------------------------------------------------------------- |
| 42 | // macros |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | |
| 45 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) |
| 46 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED) |
| 47 | |
| 48 | #define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10) |
| 49 | |
| 50 | // ============================================================================ |
| 51 | // implementation |
| 52 | // ============================================================================ |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | // wxToggleButton |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | |
| 58 | bool wxToggleButton::OS2Command(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) |
| 59 | { |
| 60 | wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId); |
| 61 | event.SetInt(GetValue()); |
| 62 | event.SetEventObject(this); |
| 63 | ProcessCommand(event); |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | // Single check box item |
| 68 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, |
| 69 | const wxString& label, |
| 70 | const wxPoint& pos, |
| 71 | const wxSize& size, long style, |
| 72 | const wxValidator& validator, |
| 73 | const wxString& name) |
| 74 | { |
| 75 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
| 76 | return false; |
| 77 | |
| 78 | if ( !OS2CreateControl(wxT("BUTTON"), label, pos, size, 0) ) |
| 79 | return false; |
| 80 | |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | wxBorder wxToggleButton::GetDefaultBorder() const |
| 85 | { |
| 86 | return wxBORDER_NONE; |
| 87 | } |
| 88 | |
| 89 | WXDWORD wxToggleButton::OS2GetStyle(long style, WXDWORD *exstyle) const |
| 90 | { |
| 91 | WXDWORD msStyle = wxControl::OS2GetStyle(style, exstyle); |
| 92 | |
| 93 | #ifndef BS_PUSHLIKE |
| 94 | #define BS_PUSHLIKE 0x00001000L |
| 95 | #endif |
| 96 | |
| 97 | msStyle |= BS_AUTOCHECKBOX | BS_PUSHLIKE | WS_TABSTOP; |
| 98 | |
| 99 | return msStyle; |
| 100 | } |
| 101 | |
| 102 | wxSize wxToggleButton::DoGetBestSize() const |
| 103 | { |
| 104 | wxString label = wxGetWindowText(GetHWND()); |
| 105 | int wBtn; |
| 106 | wxFont vFont = GetFont(); |
| 107 | int wChar; |
| 108 | int hChar; |
| 109 | |
| 110 | GetTextExtent(label, &wBtn, NULL); |
| 111 | |
| 112 | |
| 113 | wxGetCharSize(GetHWND(), &wChar, &hChar, &vFont); |
| 114 | |
| 115 | // add a margin - the button is wider than just its label |
| 116 | wBtn += 3*wChar; |
| 117 | |
| 118 | // the button height is proportional to the height of the font used |
| 119 | int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar); |
| 120 | |
| 121 | #if wxUSE_BUTTON |
| 122 | wxSize sz = wxButton::GetDefaultSize(); |
| 123 | if (wBtn > sz.x) |
| 124 | sz.x = wBtn; |
| 125 | if (hBtn > sz.y) |
| 126 | sz.y = hBtn; |
| 127 | #else |
| 128 | wxSize sz(wBtn, hBtn); |
| 129 | #endif |
| 130 | |
| 131 | return sz; |
| 132 | } |
| 133 | |
| 134 | void wxToggleButton::SetValue(bool val) |
| 135 | { |
| 136 | ::WinSendMsg(GetHwnd(), BM_SETCHECK, MPFROMSHORT(val), (MPARAM)0); |
| 137 | } |
| 138 | |
| 139 | #ifndef BST_CHECKED |
| 140 | #define BST_CHECKED 0x0001 |
| 141 | #endif |
| 142 | |
| 143 | bool wxToggleButton::GetValue() const |
| 144 | { |
| 145 | return (::WinSendMsg(GetHwnd(), BM_QUERYCHECK, 0, 0) == (MRESULT)BST_CHECKED); |
| 146 | } |
| 147 | |
| 148 | void wxToggleButton::Command(wxCommandEvent & event) |
| 149 | { |
| 150 | SetValue((event.GetInt() != 0)); |
| 151 | ProcessCommand(event); |
| 152 | } |
| 153 | |
| 154 | #endif // wxUSE_TOGGLEBTN |