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[wxWidgets.git] / src / univ / checklst.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: univ/checklst.cpp
3// Purpose: wxCheckListBox implementation
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 12.09.00
7// RCS-ID: $Id$
442b35b5 8// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
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9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
a3870b2f 21 #pragma implementation "univchecklst.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_CHECKLISTBOX
31
32#ifndef WX_PRECOMP
33 #include "wx/log.h"
34
35 #include "wx/dcclient.h"
36 #include "wx/checklst.h"
37 #include "wx/validate.h"
38#endif
39
40#include "wx/univ/renderer.h"
41#include "wx/univ/inphand.h"
42#include "wx/univ/theme.h"
43
44// ============================================================================
45// implementation of wxCheckListBox
46// ============================================================================
47
48IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
49
50// ----------------------------------------------------------------------------
51// creation
52// ----------------------------------------------------------------------------
53
54void wxCheckListBox::Init()
55{
56}
57
58bool wxCheckListBox::Create(wxWindow *parent,
59 wxWindowID id,
60 const wxPoint &pos,
61 const wxSize &size,
62 int n,
63 const wxString choices[],
64 long style,
65 const wxValidator& validator,
66 const wxString &name)
67{
68 if ( !wxListBox::Create(parent, id, pos, size,
69 n, choices, style, validator, name) )
70 return FALSE;
71
72 CreateInputHandler(wxINP_HANDLER_CHECKLISTBOX);
73
74 return TRUE;
75}
76
77// ----------------------------------------------------------------------------
78// wxCheckListBox functions
79// ----------------------------------------------------------------------------
80
81bool wxCheckListBox::IsChecked(size_t item) const
82{
83 wxCHECK_MSG( item < m_checks.GetCount(), FALSE,
84 _T("invalid index in wxCheckListBox::IsChecked") );
85
86 return m_checks[item] != 0;
87}
88
89void wxCheckListBox::Check(size_t item, bool check)
90{
91 wxCHECK_RET( item < m_checks.GetCount(),
92 _T("invalid index in wxCheckListBox::Check") );
93
94 // intermediate var is needed to avoid compiler warning with VC++
95 bool isChecked = m_checks[item] != 0;
96 if ( check != isChecked )
97 {
98 m_checks[item] = check;
99
100 RefreshItem(item);
101 }
102}
103
104// ----------------------------------------------------------------------------
105// methods forwarded to wxListBox
106// ----------------------------------------------------------------------------
107
108void wxCheckListBox::Delete(int n)
109{
110 wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") );
111
112 wxListBox::Delete(n);
113
114 m_checks.RemoveAt(n);
115}
116
117int wxCheckListBox::DoAppend(const wxString& item)
118{
119 int pos = wxListBox::DoAppend(item);
120
121 // the item is initially unchecked
122 m_checks.Insert(FALSE, pos);
123
124 return pos;
125}
126
127void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos)
128{
129 wxListBox::DoInsertItems(items, pos);
130
131 size_t count = items.GetCount();
132 for ( size_t n = 0; n < count; n++ )
133 {
134 m_checks.Insert(FALSE, pos + n);
135 }
136}
137
138void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData)
139{
140 // call it first as it does DoClear()
141 wxListBox::DoSetItems(items, clientData);
142
143 size_t count = items.GetCount();
144 for ( size_t n = 0; n < count; n++ )
145 {
146 m_checks.Add(FALSE);
147 }
148}
149
150void wxCheckListBox::DoClear()
151{
152 m_checks.Empty();
153}
154
155// ----------------------------------------------------------------------------
156// drawing
157// ----------------------------------------------------------------------------
158
159wxSize wxCheckListBox::DoGetBestClientSize() const
160{
161 wxSize size = wxListBox::DoGetBestClientSize();
162 size.x += GetRenderer()->GetCheckBitmapSize().x;
163
164 return size;
165}
166
167void wxCheckListBox::DoDrawRange(wxControlRenderer *renderer,
168 int itemFirst, int itemLast)
169{
170 renderer->DrawCheckItems(this, itemFirst, itemLast);
171}
172
173// ----------------------------------------------------------------------------
174// actions
175// ----------------------------------------------------------------------------
176
177bool wxCheckListBox::PerformAction(const wxControlAction& action,
178 long numArg,
179 const wxString& strArg)
180{
181 if ( action == wxACTION_CHECKLISTBOX_TOGGLE )
182 {
183 int sel = (int)numArg;
184 if ( sel == -1 )
185 {
186 sel = GetSelection();
187 }
188
189 if ( sel != -1 )
190 {
191 Check(sel, !IsChecked(sel));
192
193 SendEvent(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, sel);
194 }
195 }
196 else
197 {
198 return wxListBox::PerformAction(action, numArg, strArg);
199 }
200
201 return TRUE;
202}
203
204// ----------------------------------------------------------------------------
205// wxStdCheckListboxInputHandler
206// ----------------------------------------------------------------------------
207
208wxStdCheckListboxInputHandler::
209wxStdCheckListboxInputHandler(wxInputHandler *inphand)
210 : wxStdListboxInputHandler(inphand)
211{
212}
213
23645bfa 214bool wxStdCheckListboxInputHandler::HandleKey(wxInputConsumer *consumer,
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215 const wxKeyEvent& event,
216 bool pressed)
217{
218 if ( pressed && (event.GetKeyCode() == WXK_SPACE) )
23645bfa 219 consumer->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE);
1e6feb95 220
23645bfa 221 return wxStdListboxInputHandler::HandleKey(consumer, event, pressed);
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222}
223
23645bfa 224bool wxStdCheckListboxInputHandler::HandleMouse(wxInputConsumer *consumer,
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225 const wxMouseEvent& event)
226{
227 if ( event.LeftDown() || event.LeftDClick() )
228 {
23645bfa 229 wxCheckListBox *lbox = wxStaticCast(consumer->GetInputWindow(), wxCheckListBox);
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230 int x, y;
231
232 wxPoint pt = event.GetPosition();
23645bfa 233 pt -= consumer->GetInputWindow()->GetClientAreaOrigin();
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234 lbox->CalcUnscrolledPosition(pt.x, pt.y, &x, &y);
235
236 wxRenderer *renderer = lbox->GetRenderer();
237 x -= renderer->GetCheckItemMargin();
238
239 int item = y / lbox->GetLineHeight();
240 if ( x >= 0 &&
241 x < renderer->GetCheckBitmapSize().x &&
242 item >= 0 &&
243 item < lbox->GetCount() )
244 {
245 lbox->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE, item);
246
247 return TRUE;
248 }
249 }
250
23645bfa 251 return wxStdListboxInputHandler::HandleMouse(consumer, event);
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252}
253
254#endif // wxUSE_CHECKLISTBOX