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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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 | // ---------------------------------------------------------------------------- | |
43 | // macros | |
44 | // ---------------------------------------------------------------------------- | |
45 | ||
46 | IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl) | |
47 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapCheckBox, wxCheckBox) | |
48 | ||
49 | // ============================================================================ | |
50 | // implementation | |
51 | // ============================================================================ | |
52 | ||
53 | // ---------------------------------------------------------------------------- | |
54 | // wxCheckBox | |
55 | // ---------------------------------------------------------------------------- | |
56 | ||
57 | bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) | |
58 | { | |
59 | wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId); | |
60 | event.SetInt(GetValue()); | |
61 | event.SetEventObject(this); | |
62 | ProcessCommand(event); | |
63 | return TRUE; | |
64 | } | |
65 | ||
66 | bool wxCheckBox::Create(wxWindow *parent, | |
67 | wxWindowID id, | |
68 | const wxString& label, | |
69 | const wxPoint& pos, | |
70 | const wxSize& size, long style, | |
71 | const wxValidator& validator, | |
72 | const wxString& name) | |
73 | { | |
74 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
75 | return FALSE; | |
76 | ||
77 | long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP; | |
78 | if ( style & wxALIGN_RIGHT ) | |
79 | msStyle |= BS_LEFTTEXT; | |
80 | ||
81 | return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0); | |
82 | } | |
83 | ||
84 | void wxCheckBox::SetLabel(const wxString& label) | |
85 | { | |
86 | SetWindowText(GetHwnd(), label); | |
87 | } | |
88 | ||
89 | wxSize wxCheckBox::DoGetBestSize() const | |
90 | { | |
91 | static int s_checkSize = 0; | |
92 | ||
93 | if ( !s_checkSize ) | |
94 | { | |
95 | wxScreenDC dc; | |
96 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
97 | ||
98 | s_checkSize = dc.GetCharHeight(); | |
99 | } | |
100 | ||
101 | wxString str = wxGetWindowText(GetHWND()); | |
102 | ||
103 | int wCheckbox, hCheckbox; | |
104 | if ( !str.IsEmpty() ) | |
105 | { | |
106 | GetTextExtent(str, &wCheckbox, &hCheckbox); | |
107 | wCheckbox += s_checkSize + GetCharWidth(); | |
108 | ||
109 | if ( hCheckbox < s_checkSize ) | |
110 | hCheckbox = s_checkSize; | |
111 | } | |
112 | else | |
113 | { | |
114 | wCheckbox = s_checkSize; | |
115 | hCheckbox = s_checkSize; | |
116 | } | |
117 | ||
118 | return wxSize(wCheckbox, hCheckbox); | |
119 | } | |
120 | ||
121 | void wxCheckBox::SetValue(bool val) | |
122 | { | |
123 | SendMessage(GetHwnd(), BM_SETCHECK, val, 0); | |
124 | } | |
125 | ||
126 | #ifndef BST_CHECKED | |
127 | #define BST_CHECKED 0x0001 | |
128 | #endif | |
129 | ||
130 | bool wxCheckBox::GetValue() const | |
131 | { | |
132 | #ifdef __WIN32__ | |
133 | return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) == BST_CHECKED); | |
134 | #else | |
135 | return ((0x001 & SendMessage(GetHwnd(), BM_GETCHECK, 0, 0)) == 0x001); | |
136 | #endif | |
137 | } | |
138 | ||
139 | void wxCheckBox::Command (wxCommandEvent & event) | |
140 | { | |
141 | SetValue ((event.GetInt() != 0)); | |
142 | ProcessCommand (event); | |
143 | } | |
144 | ||
145 | // ---------------------------------------------------------------------------- | |
146 | // wxBitmapCheckBox | |
147 | // ---------------------------------------------------------------------------- | |
148 | ||
149 | bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *WXUNUSED(label), | |
150 | const wxPoint& pos, | |
151 | const wxSize& size, long style, | |
152 | const wxValidator& validator, | |
153 | const wxString& name) | |
154 | { | |
155 | SetName(name); | |
156 | #if wxUSE_VALIDATORS | |
157 | SetValidator(validator); | |
158 | #endif // wxUSE_VALIDATORS | |
159 | if (parent) parent->AddChild(this); | |
160 | ||
161 | SetBackgroundColour(parent->GetBackgroundColour()) ; | |
162 | SetForegroundColour(parent->GetForegroundColour()) ; | |
163 | m_windowStyle = style; | |
164 | ||
165 | if ( id == -1 ) | |
166 | m_windowId = NewControlId(); | |
167 | else | |
168 | m_windowId = id; | |
169 | ||
170 | int x = pos.x; | |
171 | int y = pos.y; | |
172 | int width = size.x; | |
173 | int height = size.y; | |
174 | ||
175 | checkWidth = -1 ; | |
176 | checkHeight = -1 ; | |
177 | long msStyle = CHECK_FLAGS; | |
178 | ||
179 | HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, wxT("toggle"), | |
180 | msStyle, | |
181 | 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, | |
182 | wxGetInstance(), NULL); | |
183 | ||
184 | #if wxUSE_CTL3D | |
185 | if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS)) | |
186 | { | |
187 | Ctl3dSubclassCtl(wx_button); | |
188 | m_useCtl3D = TRUE; | |
189 | } | |
190 | #endif | |
191 | ||
192 | m_hWnd = (WXHWND)wx_button; | |
193 | ||
194 | // Subclass again for purposes of dialog editing mode | |
195 | SubclassWin((WXHWND)wx_button); | |
196 | ||
197 | SetSize(x, y, width, height); | |
198 | ||
199 | ShowWindow(wx_button, SW_SHOW); | |
200 | ||
201 | return TRUE; | |
202 | } | |
203 | ||
204 | void wxBitmapCheckBox::SetLabel(const wxBitmap& WXUNUSED(bitmap)) | |
205 | { | |
206 | wxFAIL_MSG(wxT("not implemented")); | |
207 | } | |
208 | ||
209 | #endif // wxUSE_CHECKBOX |