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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: univ/radiobut.cpp | |
3 | // Purpose: wxRadioButton implementation | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 10.09.00 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #include "wx/wxprec.h" | |
21 | ||
22 | #ifdef __BORLANDC__ | |
23 | #pragma hdrstop | |
24 | #endif | |
25 | ||
26 | #if wxUSE_RADIOBTN | |
27 | ||
28 | #ifndef WX_PRECOMP | |
29 | #include "wx/dcclient.h" | |
30 | #include "wx/radiobut.h" | |
31 | #include "wx/validate.h" | |
32 | #endif | |
33 | ||
34 | #include "wx/univ/theme.h" | |
35 | #include "wx/univ/renderer.h" | |
36 | #include "wx/univ/inphand.h" | |
37 | #include "wx/univ/colschem.h" | |
38 | ||
39 | // ============================================================================ | |
40 | // implementation | |
41 | // ============================================================================ | |
42 | ||
43 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // wxRadioButton | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | bool wxRadioButton::Create(wxWindow *parent, | |
50 | wxWindowID id, | |
51 | const wxString &label, | |
52 | const wxPoint &pos, | |
53 | const wxSize &size, | |
54 | long style, | |
55 | const wxValidator& validator, | |
56 | const wxString &name) | |
57 | { | |
58 | if ( !wxCheckBox::Create(parent, id, label, pos, size, style, | |
59 | validator, name) ) | |
60 | { | |
61 | return false; | |
62 | } | |
63 | ||
64 | return true; | |
65 | } | |
66 | ||
67 | // ---------------------------------------------------------------------------- | |
68 | // radio button methods | |
69 | // ---------------------------------------------------------------------------- | |
70 | ||
71 | void wxRadioButton::OnCheck() | |
72 | { | |
73 | // clear all others radio buttons in our group: for this we need to | |
74 | // find the radio button which is the first in the group, i.e. the one | |
75 | // with wxRB_GROUP style | |
76 | const wxWindowList& siblings = GetParent()->GetChildren(); | |
77 | wxWindowList::compatibility_iterator nodeStart = siblings.Find(this); | |
78 | while ( nodeStart ) | |
79 | { | |
80 | // stop if we found a radio button with wxRB_GROUP style or it we | |
81 | // are at the first control | |
82 | if ( !nodeStart->GetPrevious() || | |
83 | (nodeStart->GetData()->GetWindowStyle() & wxRB_GROUP) ) | |
84 | break; | |
85 | ||
86 | nodeStart = nodeStart->GetPrevious(); | |
87 | } | |
88 | ||
89 | // now clear all radio buttons from the starting one until the next | |
90 | // one with wxRB_GROUP style | |
91 | while ( nodeStart ) | |
92 | { | |
93 | wxWindow *win = nodeStart->GetData(); | |
94 | if ( win != this ) | |
95 | { | |
96 | wxRadioButton *btn = wxDynamicCast(win, wxRadioButton); | |
97 | if ( btn ) | |
98 | { | |
99 | btn->ClearValue(); | |
100 | } | |
101 | } | |
102 | ||
103 | nodeStart = nodeStart->GetNext(); | |
104 | if ( !nodeStart || | |
105 | (nodeStart->GetData()->GetWindowStyle() & wxRB_GROUP) ) | |
106 | { | |
107 | // we reached the next group | |
108 | break; | |
109 | } | |
110 | } | |
111 | } | |
112 | ||
113 | void wxRadioButton::ChangeValue(bool value) | |
114 | { | |
115 | if ( value == IsChecked() ) | |
116 | return; | |
117 | ||
118 | if ( !IsChecked() ) | |
119 | { | |
120 | wxCheckBox::ChangeValue(value); | |
121 | } | |
122 | else // attempt to clear a radio button - this can't be done | |
123 | { | |
124 | // but still refresh as our PRESSED flag changed | |
125 | Refresh(); | |
126 | } | |
127 | } | |
128 | ||
129 | void wxRadioButton::ClearValue() | |
130 | { | |
131 | if ( IsChecked() ) | |
132 | { | |
133 | SetValue(false); | |
134 | } | |
135 | } | |
136 | ||
137 | void wxRadioButton::SendEvent() | |
138 | { | |
139 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); | |
140 | InitCommandEvent(event); | |
141 | event.SetInt(IsChecked()); | |
142 | Command(event); | |
143 | } | |
144 | ||
145 | // ---------------------------------------------------------------------------- | |
146 | // overridden wxCheckBox methods | |
147 | // ---------------------------------------------------------------------------- | |
148 | ||
149 | wxSize wxRadioButton::GetBitmapSize() const | |
150 | { | |
151 | wxBitmap bmp = GetBitmap(State_Normal, Status_Checked); | |
152 | return bmp.Ok() ? wxSize(bmp.GetWidth(), bmp.GetHeight()) | |
153 | : GetRenderer()->GetRadioBitmapSize(); | |
154 | } | |
155 | ||
156 | void wxRadioButton::DoDraw(wxControlRenderer *renderer) | |
157 | { | |
158 | wxDC& dc = renderer->GetDC(); | |
159 | dc.SetFont(GetFont()); | |
160 | dc.SetTextForeground(GetForegroundColour()); | |
161 | ||
162 | int flags = GetStateFlags(); | |
163 | Status status = GetStatus(); | |
164 | if ( status == Status_Checked ) | |
165 | flags |= wxCONTROL_CHECKED; | |
166 | ||
167 | renderer->GetRenderer()-> | |
168 | DrawRadioButton(dc, | |
169 | GetLabel(), | |
170 | GetBitmap(GetState(flags), status), | |
171 | renderer->GetRect(), | |
172 | flags, | |
173 | GetWindowStyle() & wxALIGN_RIGHT ? wxALIGN_RIGHT | |
174 | : wxALIGN_LEFT, | |
175 | GetAccelIndex()); | |
176 | } | |
177 | ||
178 | #endif // wxUSE_RADIOBTN | |
179 |