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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: msw/checkbox.cpp | |
3 | // Purpose: wxCheckBox | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "checkbox.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #if wxUSE_CHECKBOX | |
32 | ||
33 | #ifndef WX_PRECOMP | |
34 | #include "wx/checkbox.h" | |
35 | #include "wx/brush.h" | |
36 | #include "wx/dcscreen.h" | |
37 | #include "wx/settings.h" | |
38 | #endif | |
39 | ||
40 | #include "wx/msw/private.h" | |
41 | ||
42 | #ifndef BST_CHECKED | |
43 | #define BST_CHECKED 0x0001 | |
44 | #endif | |
45 | ||
46 | // ============================================================================ | |
47 | // implementation | |
48 | // ============================================================================ | |
49 | ||
50 | IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl) | |
51 | ||
52 | // ---------------------------------------------------------------------------- | |
53 | // wxCheckBox | |
54 | // ---------------------------------------------------------------------------- | |
55 | ||
56 | bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) | |
57 | { | |
58 | wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId); | |
59 | event.SetInt(GetValue()); | |
60 | event.SetEventObject(this); | |
61 | ProcessCommand(event); | |
62 | return TRUE; | |
63 | } | |
64 | ||
65 | bool wxCheckBox::Create(wxWindow *parent, | |
66 | wxWindowID id, | |
67 | const wxString& label, | |
68 | const wxPoint& pos, | |
69 | const wxSize& size, long style, | |
70 | const wxValidator& validator, | |
71 | const wxString& name) | |
72 | { | |
73 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
74 | return FALSE; | |
75 | ||
76 | long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP; | |
77 | if ( style & wxALIGN_RIGHT ) | |
78 | msStyle |= BS_LEFTTEXT; | |
79 | ||
80 | return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0); | |
81 | } | |
82 | ||
83 | void wxCheckBox::SetLabel(const wxString& label) | |
84 | { | |
85 | SetWindowText(GetHwnd(), label); | |
86 | } | |
87 | ||
88 | wxSize wxCheckBox::DoGetBestSize() const | |
89 | { | |
90 | static int s_checkSize = 0; | |
91 | ||
92 | if ( !s_checkSize ) | |
93 | { | |
94 | wxScreenDC dc; | |
95 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
96 | ||
97 | s_checkSize = dc.GetCharHeight(); | |
98 | } | |
99 | ||
100 | wxString str = wxGetWindowText(GetHWND()); | |
101 | ||
102 | int wCheckbox, hCheckbox; | |
103 | if ( !str.IsEmpty() ) | |
104 | { | |
105 | GetTextExtent(str, &wCheckbox, &hCheckbox); | |
106 | wCheckbox += s_checkSize + GetCharWidth(); | |
107 | ||
108 | if ( hCheckbox < s_checkSize ) | |
109 | hCheckbox = s_checkSize; | |
110 | } | |
111 | else | |
112 | { | |
113 | wCheckbox = s_checkSize; | |
114 | hCheckbox = s_checkSize; | |
115 | } | |
116 | ||
117 | return wxSize(wCheckbox, hCheckbox); | |
118 | } | |
119 | ||
120 | void wxCheckBox::SetValue(bool val) | |
121 | { | |
122 | SendMessage(GetHwnd(), BM_SETCHECK, val, 0); | |
123 | } | |
124 | ||
125 | bool wxCheckBox::GetValue() const | |
126 | { | |
127 | return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) & BST_CHECKED) != 0; | |
128 | } | |
129 | ||
130 | void wxCheckBox::Command(wxCommandEvent& event) | |
131 | { | |
132 | SetValue(event.GetInt() != 0); | |
133 | ProcessCommand(event); | |
134 | } | |
135 | ||
136 | #endif // wxUSE_CHECKBOX |