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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 | // 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 | #include "wx/tglbtn.h" | |
29 | ||
30 | #if wxUSE_TOGGLEBTN | |
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 | ||
43 | // ---------------------------------------------------------------------------- | |
44 | // macros | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
47 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) | |
48 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED) | |
49 | ||
50 | #define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10) | |
51 | ||
52 | // ============================================================================ | |
53 | // implementation | |
54 | // ============================================================================ | |
55 | ||
56 | // ---------------------------------------------------------------------------- | |
57 | // wxToggleButton | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
60 | bool wxToggleButton::OS2Command(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) | |
61 | { | |
62 | wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId); | |
63 | event.SetInt(GetValue()); | |
64 | event.SetEventObject(this); | |
65 | ProcessCommand(event); | |
66 | return true; | |
67 | } | |
68 | ||
69 | // Single check box item | |
70 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, | |
71 | const wxString& label, | |
72 | const wxPoint& pos, | |
73 | const wxSize& size, long style, | |
74 | const wxValidator& validator, | |
75 | const wxString& name) | |
76 | { | |
77 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
78 | return false; | |
79 | ||
80 | if ( !OS2CreateControl(wxT("BUTTON"), label, pos, size, 0) ) | |
81 | return false; | |
82 | ||
83 | return true; | |
84 | } | |
85 | ||
86 | wxBorder wxToggleButton::GetDefaultBorder() const | |
87 | { | |
88 | return wxBORDER_NONE; | |
89 | } | |
90 | ||
91 | WXDWORD wxToggleButton::OS2GetStyle(long style, WXDWORD *exstyle) const | |
92 | { | |
93 | WXDWORD msStyle = wxControl::OS2GetStyle(style, exstyle); | |
94 | ||
95 | #ifndef BS_PUSHLIKE | |
96 | #define BS_PUSHLIKE 0x00001000L | |
97 | #endif | |
98 | ||
99 | msStyle |= BS_AUTOCHECKBOX | BS_PUSHLIKE | WS_TABSTOP; | |
100 | ||
101 | return msStyle; | |
102 | } | |
103 | ||
104 | wxSize wxToggleButton::DoGetBestSize() const | |
105 | { | |
106 | wxString label = wxGetWindowText(GetHWND()); | |
107 | int wBtn; | |
108 | wxFont vFont = GetFont(); | |
109 | int wChar; | |
110 | int hChar; | |
111 | ||
112 | GetTextExtent(label, &wBtn, NULL); | |
113 | ||
114 | ||
115 | wxGetCharSize(GetHWND(), &wChar, &hChar, &vFont); | |
116 | ||
117 | // add a margin - the button is wider than just its label | |
118 | wBtn += 3*wChar; | |
119 | ||
120 | // the button height is proportional to the height of the font used | |
121 | int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar); | |
122 | ||
123 | #if wxUSE_BUTTON | |
124 | wxSize sz = wxButton::GetDefaultSize(); | |
125 | if (wBtn > sz.x) | |
126 | sz.x = wBtn; | |
127 | if (hBtn > sz.y) | |
128 | sz.y = hBtn; | |
129 | #else | |
130 | wxSize sz(wBtn, hBtn); | |
131 | #endif | |
132 | ||
133 | return sz; | |
134 | } | |
135 | ||
136 | void wxToggleButton::SetValue(bool val) | |
137 | { | |
138 | ::WinSendMsg(GetHwnd(), BM_SETCHECK, MPFROMSHORT(val), (MPARAM)0); | |
139 | } | |
140 | ||
141 | #ifndef BST_CHECKED | |
142 | #define BST_CHECKED 0x0001 | |
143 | #endif | |
144 | ||
145 | bool wxToggleButton::GetValue() const | |
146 | { | |
147 | return (::WinSendMsg(GetHwnd(), BM_QUERYCHECK, 0, 0) == (MRESULT)BST_CHECKED); | |
148 | } | |
149 | ||
150 | void wxToggleButton::Command(wxCommandEvent & event) | |
151 | { | |
152 | SetValue((event.GetInt() != 0)); | |
153 | ProcessCommand(event); | |
154 | } | |
155 | ||
156 | #endif // wxUSE_TOGGLEBTN | |
157 |