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1/////////////////////////////////////////////////////////////////////////////
2// Name: univ/checkbox.cpp
3// Purpose: wxCheckBox implementation
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 25.08.00
7// RCS-ID: $Id$
442b35b5 8// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
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9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
a3870b2f 21 #pragma implementation "univcheckbox.h"
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22#endif
23
24#include "wx/wxprec.h"
25
26#ifdef __BORLANDC__
27 #pragma hdrstop
28#endif
29
30#if wxUSE_CHECKBOX
31
32#ifndef WX_PRECOMP
33 #include "wx/dcclient.h"
34 #include "wx/checkbox.h"
35 #include "wx/validate.h"
36
37 #include "wx/button.h" // for wxACTION_BUTTON_XXX
38#endif
39
40#include "wx/univ/theme.h"
41#include "wx/univ/renderer.h"
42#include "wx/univ/inphand.h"
43#include "wx/univ/colschem.h"
44
45// ============================================================================
46// implementation
47// ============================================================================
48
49IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
50
51// ----------------------------------------------------------------------------
52// wxCheckBox
53// ----------------------------------------------------------------------------
54
55void wxCheckBox::Init()
56{
57 m_isPressed = FALSE;
58 m_status = Status_Unchecked;
59}
60
61bool wxCheckBox::Create(wxWindow *parent,
62 wxWindowID id,
63 const wxString &label,
64 const wxPoint &pos,
65 const wxSize &size,
66 long style,
67 const wxValidator& validator,
68 const wxString &name)
69{
70 if ( !wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name) )
71 return FALSE;
72
73 SetLabel(label);
74 SetBestSize(size);
75
76 CreateInputHandler(wxINP_HANDLER_CHECKBOX);
77
78 return TRUE;
79}
80
81// ----------------------------------------------------------------------------
82// checkbox interface
83// ----------------------------------------------------------------------------
84
85bool wxCheckBox::GetValue() const
86{
87 return m_status == Status_Checked;
88}
89
90void wxCheckBox::SetValue(bool value)
91{
92 Status status = value ? Status_Checked : Status_Unchecked;
93 if ( status != m_status )
94 {
95 m_status = status;
96
97 if ( m_status == Status_Checked )
98 {
99 // invoke the hook
100 OnCheck();
101 }
102
103 Refresh();
104 }
105}
106
107void wxCheckBox::OnCheck()
108{
109 // we do nothing here
110}
111
112// ----------------------------------------------------------------------------
113// indicator bitmaps
114// ----------------------------------------------------------------------------
115
116wxBitmap wxCheckBox::GetBitmap(State state, Status status) const
117{
118 wxBitmap bmp = m_bitmaps[state][status];
119 if ( !bmp.Ok() )
120 bmp = m_bitmaps[State_Normal][status];
121
122 return bmp;
123}
124
125void wxCheckBox::SetBitmap(const wxBitmap& bmp, State state, Status status)
126{
127 m_bitmaps[state][status] = bmp;
128}
129
130// ----------------------------------------------------------------------------
131// drawing
132// ----------------------------------------------------------------------------
133
134wxCheckBox::State wxCheckBox::GetState(int flags) const
135{
136 if ( flags & wxCONTROL_DISABLED )
137 return State_Disabled;
138 else if ( flags & wxCONTROL_PRESSED )
139 return State_Pressed;
140 else if ( flags & wxCONTROL_CURRENT )
141 return State_Current;
142 else
143 return State_Normal;
144}
145
146void wxCheckBox::DoDraw(wxControlRenderer *renderer)
147{
148 int flags = GetStateFlags();
149
150 wxDC& dc = renderer->GetDC();
151 dc.SetFont(GetFont());
152 dc.SetTextForeground(GetForegroundColour());
153
154 if ( m_status == Status_Checked )
155 flags |= wxCONTROL_CHECKED;
156
157 renderer->GetRenderer()->
158 DrawCheckButton(dc,
159 GetLabel(),
160 GetBitmap(GetState(flags), m_status),
161 renderer->GetRect(),
162 flags,
163 GetWindowStyle() & wxALIGN_RIGHT ? wxALIGN_RIGHT
164 : wxALIGN_LEFT,
165 GetAccelIndex());
166}
167
168// ----------------------------------------------------------------------------
169// geometry calculations
170// ----------------------------------------------------------------------------
171
172wxSize wxCheckBox::GetBitmapSize() const
173{
174 wxBitmap bmp = GetBitmap(State_Normal, Status_Checked);
175 return bmp.Ok() ? wxSize(bmp.GetWidth(), bmp.GetHeight())
176 : GetRenderer()->GetCheckBitmapSize();
177}
178
179wxSize wxCheckBox::DoGetBestClientSize() const
180{
181 wxClientDC dc(wxConstCast(this, wxCheckBox));
182 dc.SetFont(GetFont());
183 wxCoord width, height;
184 dc.GetMultiLineTextExtent(GetLabel(), &width, &height);
185
186 wxSize sizeBmp = GetBitmapSize();
187 if ( height < sizeBmp.y )
188 height = sizeBmp.y;
189
190#if wxUNIV_COMPATIBLE_MSW
191 // this looks better but is different from what wxMSW does
192 height += GetCharHeight()/2;
193#endif // wxUNIV_COMPATIBLE_MSW
194
195 width += sizeBmp.x + 2*GetCharWidth();
196
197 return wxSize(width, height);
198}
199
200// ----------------------------------------------------------------------------
201// checkbox actions
202// ----------------------------------------------------------------------------
203
204void wxCheckBox::Press()
205{
206 if ( !m_isPressed )
207 {
208 m_isPressed = TRUE;
209
210 Refresh();
211 }
212}
213
214void wxCheckBox::Release()
215{
216 if ( m_isPressed )
217 {
218 m_isPressed = FALSE;
219
220 Refresh();
221 }
222}
223
224void wxCheckBox::Toggle()
225{
226 m_isPressed = FALSE;
227
228 ChangeValue(!GetValue());
229}
230
231void wxCheckBox::ChangeValue(bool value)
232{
233 SetValue(value);
234
235 SendEvent();
236}
237
238void wxCheckBox::SendEvent()
239{
240 wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, GetId());
241 InitCommandEvent(event);
242 event.SetInt(IsChecked());
243 Command(event);
244}
245
246// ----------------------------------------------------------------------------
247// input handling
248// ----------------------------------------------------------------------------
249
250bool wxCheckBox::PerformAction(const wxControlAction& action,
251 long numArg,
252 const wxString& strArg)
253{
254 if ( action == wxACTION_BUTTON_PRESS )
255 Press();
256 else if ( action == wxACTION_BUTTON_RELEASE )
257 Release();
258 if ( action == wxACTION_CHECKBOX_CHECK )
259 ChangeValue(TRUE);
260 else if ( action == wxACTION_CHECKBOX_CLEAR )
261 ChangeValue(FALSE);
262 else if ( action == wxACTION_CHECKBOX_TOGGLE )
263 Toggle();
264 else
265 return wxControl::PerformAction(action, numArg, strArg);
266
267 return TRUE;
268}
269
270// ----------------------------------------------------------------------------
271// wxStdCheckboxInputHandler
272// ----------------------------------------------------------------------------
273
274wxStdCheckboxInputHandler::wxStdCheckboxInputHandler(wxInputHandler *inphand)
275 : wxStdButtonInputHandler(inphand)
276{
277}
278
23645bfa 279bool wxStdCheckboxInputHandler::HandleActivation(wxInputConsumer *consumer,
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280 bool activated)
281{
282 // only the focused checkbox appearance changes when the app gains/loses
283 // activation
23645bfa 284 return consumer->GetInputWindow()->IsFocused();
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285}
286
287#endif // wxUSE_CHECKBOX