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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 | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
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 | #if wxUSE_EXTENDED_RTTI | |
51 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxCheckBox, wxControl,"wx/checkbox.h") | |
52 | ||
53 | WX_BEGIN_PROPERTIES_TABLE(wxCheckBox) | |
54 | WX_DELEGATE( OnClick , wxEVT_COMMAND_CHECKBOX_CLICKED , wxCommandEvent ) | |
55 | ||
56 | WX_PROPERTY( Font , wxFont , SetFont , GetFont , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
57 | WX_PROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
58 | WX_PROPERTY( Value ,bool, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
59 | WX_END_PROPERTIES_TABLE() | |
60 | ||
61 | WX_BEGIN_HANDLERS_TABLE(wxCheckBox) | |
62 | WX_END_HANDLERS_TABLE() | |
63 | ||
64 | WX_CONSTRUCTOR_6( wxCheckBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) | |
65 | #else | |
66 | IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl) | |
67 | #endif | |
68 | ||
69 | ||
70 | // ---------------------------------------------------------------------------- | |
71 | // wxCheckBox | |
72 | // ---------------------------------------------------------------------------- | |
73 | ||
74 | bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) | |
75 | { | |
76 | wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId); | |
77 | event.SetInt(GetValue()); | |
78 | event.SetEventObject(this); | |
79 | ProcessCommand(event); | |
80 | return TRUE; | |
81 | } | |
82 | ||
83 | bool wxCheckBox::Create(wxWindow *parent, | |
84 | wxWindowID id, | |
85 | const wxString& label, | |
86 | const wxPoint& pos, | |
87 | const wxSize& size, long style, | |
88 | const wxValidator& validator, | |
89 | const wxString& name) | |
90 | { | |
91 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
92 | return FALSE; | |
93 | ||
94 | long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP; | |
95 | if ( style & wxALIGN_RIGHT ) | |
96 | msStyle |= BS_LEFTTEXT; | |
97 | ||
98 | return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0); | |
99 | } | |
100 | ||
101 | void wxCheckBox::SetLabel(const wxString& label) | |
102 | { | |
103 | SetWindowText(GetHwnd(), label); | |
104 | } | |
105 | ||
106 | wxSize wxCheckBox::DoGetBestSize() const | |
107 | { | |
108 | static int s_checkSize = 0; | |
109 | ||
110 | if ( !s_checkSize ) | |
111 | { | |
112 | wxScreenDC dc; | |
113 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
114 | ||
115 | s_checkSize = dc.GetCharHeight(); | |
116 | } | |
117 | ||
118 | wxString str = wxGetWindowText(GetHWND()); | |
119 | ||
120 | int wCheckbox, hCheckbox; | |
121 | if ( !str.IsEmpty() ) | |
122 | { | |
123 | GetTextExtent(str, &wCheckbox, &hCheckbox); | |
124 | wCheckbox += s_checkSize + GetCharWidth(); | |
125 | ||
126 | if ( hCheckbox < s_checkSize ) | |
127 | hCheckbox = s_checkSize; | |
128 | } | |
129 | else | |
130 | { | |
131 | wCheckbox = s_checkSize; | |
132 | hCheckbox = s_checkSize; | |
133 | } | |
134 | ||
135 | return wxSize(wCheckbox, hCheckbox); | |
136 | } | |
137 | ||
138 | void wxCheckBox::SetValue(bool val) | |
139 | { | |
140 | SendMessage(GetHwnd(), BM_SETCHECK, val, 0); | |
141 | } | |
142 | ||
143 | bool wxCheckBox::GetValue() const | |
144 | { | |
145 | return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) & BST_CHECKED) != 0; | |
146 | } | |
147 | ||
148 | void wxCheckBox::Command(wxCommandEvent& event) | |
149 | { | |
150 | SetValue(event.GetInt() != 0); | |
151 | ProcessCommand(event); | |
152 | } | |
153 | ||
154 | #endif // wxUSE_CHECKBOX |