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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/gtk/tglbtn.cpp | |
3 | // Purpose: Definition of the wxToggleButton class, which implements a | |
4 | // toggle button under wxGTK. | |
5 | // Author: John Norris, minor changes by Axel Schlueter | |
6 | // Modified by: | |
7 | // Created: 08.02.01 | |
8 | // RCS-ID: $Id$ | |
9 | // Copyright: (c) 2000 Johnny C. Norris II | |
10 | // License: Rocketeer license | |
11 | ///////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | #include "wx/tglbtn.h" | |
14 | #include "wx/button.h" | |
15 | ||
16 | #if wxUSE_TOGGLEBTN | |
17 | ||
18 | #include "wx/gtk/private.h" | |
19 | ||
20 | extern void wxapp_install_idle_handler(); | |
21 | extern bool g_isIdle; | |
22 | extern bool g_blockEventsOnDrag; | |
23 | extern wxCursor g_globalCursor; | |
24 | extern wxWindowGTK *g_delayedFocus; | |
25 | ||
26 | static void gtk_togglebutton_clicked_callback(GtkWidget *WXUNUSED(widget), wxToggleButton *cb) | |
27 | { | |
28 | if (g_isIdle) | |
29 | wxapp_install_idle_handler(); | |
30 | ||
31 | if (!cb->m_hasVMT || g_blockEventsOnDrag) | |
32 | return; | |
33 | ||
34 | if (cb->m_blockEvent) return; | |
35 | ||
36 | // Generate a wx event. | |
37 | wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, cb->GetId()); | |
38 | event.SetInt(cb->GetValue()); | |
39 | event.SetEventObject(cb); | |
40 | cb->GetEventHandler()->ProcessEvent(event); | |
41 | } | |
42 | ||
43 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) | |
44 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED) | |
45 | ||
46 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, | |
47 | const wxString &label, const wxPoint &pos, | |
48 | const wxSize &size, long style, | |
49 | const wxValidator& validator, | |
50 | const wxString &name) | |
51 | { | |
52 | m_needParent = TRUE; | |
53 | m_acceptsFocus = TRUE; | |
54 | ||
55 | m_blockEvent = FALSE; | |
56 | ||
57 | if (!PreCreation(parent, pos, size) || | |
58 | !CreateBase(parent, id, pos, size, style, validator, name )) { | |
59 | wxFAIL_MSG(wxT("wxToggleButton creation failed")); | |
60 | return FALSE; | |
61 | } | |
62 | ||
63 | wxControl::SetLabel(label); | |
64 | ||
65 | // Create the gtk widget. | |
66 | m_widget = gtk_toggle_button_new_with_label(m_label.mbc_str()); | |
67 | ||
68 | gtk_signal_connect(GTK_OBJECT(m_widget), "clicked", | |
69 | GTK_SIGNAL_FUNC(gtk_togglebutton_clicked_callback), | |
70 | (gpointer *)this); | |
71 | ||
72 | m_parent->DoAddChild(this); | |
73 | ||
74 | PostCreation(); | |
75 | ||
76 | SetFont(parent->GetFont()); | |
77 | ||
78 | wxSize size_best(DoGetBestSize()); | |
79 | wxSize new_size(size); | |
80 | if (new_size.x == -1) | |
81 | new_size.x = size_best.x; | |
82 | if (new_size.y == -1) | |
83 | new_size.y = size_best.y; | |
84 | if ((new_size.x != size.x) || (new_size.y != size.y)) | |
85 | SetSize(new_size.x, new_size.y); | |
86 | ||
87 | SetBackgroundColour(parent->GetBackgroundColour()); | |
88 | SetForegroundColour(parent->GetForegroundColour()); | |
89 | ||
90 | Show(TRUE); | |
91 | ||
92 | return TRUE; | |
93 | } | |
94 | ||
95 | // void SetValue(bool state) | |
96 | // Set the value of the toggle button. | |
97 | void wxToggleButton::SetValue(bool state) | |
98 | { | |
99 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
100 | ||
101 | if (state == GetValue()) | |
102 | return; | |
103 | ||
104 | m_blockEvent = TRUE; | |
105 | ||
106 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
107 | ||
108 | m_blockEvent = FALSE; | |
109 | } | |
110 | ||
111 | // bool GetValue() const | |
112 | // Get the value of the toggle button. | |
113 | bool wxToggleButton::GetValue() const | |
114 | { | |
115 | wxCHECK_MSG(m_widget != NULL, FALSE, wxT("invalid toggle button")); | |
116 | ||
117 | return GTK_TOGGLE_BUTTON(m_widget)->active; | |
118 | } | |
119 | ||
120 | void wxToggleButton::SetLabel(const wxString& label) | |
121 | { | |
122 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
123 | ||
124 | wxControl::SetLabel(label); | |
125 | ||
126 | gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), GetLabel().mbc_str()); | |
127 | } | |
128 | ||
129 | bool wxToggleButton::Enable(bool enable /*=TRUE*/) | |
130 | { | |
131 | if (!wxControl::Enable(enable)) | |
132 | return FALSE; | |
133 | ||
134 | gtk_widget_set_sensitive(BUTTON_CHILD(m_widget), enable); | |
135 | ||
136 | return TRUE; | |
137 | } | |
138 | ||
139 | void wxToggleButton::ApplyWidgetStyle() | |
140 | { | |
141 | SetWidgetStyle(); | |
142 | gtk_widget_set_style(m_widget, m_widgetStyle); | |
143 | gtk_widget_set_style(BUTTON_CHILD(m_widget), m_widgetStyle); | |
144 | } | |
145 | ||
146 | bool wxToggleButton::IsOwnGtkWindow(GdkWindow *window) | |
147 | { | |
148 | return window == TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
149 | } | |
150 | ||
151 | void wxToggleButton::OnInternalIdle() | |
152 | { | |
153 | wxCursor cursor = m_cursor; | |
154 | ||
155 | if (g_globalCursor.Ok()) | |
156 | cursor = g_globalCursor; | |
157 | ||
158 | GdkWindow *win = TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
159 | if ( win && cursor.Ok() ) | |
160 | { | |
161 | /* I now set the cursor the anew in every OnInternalIdle call | |
162 | as setting the cursor in a parent window also effects the | |
163 | windows above so that checking for the current cursor is | |
164 | not possible. */ | |
165 | ||
166 | gdk_window_set_cursor(win, cursor.GetCursor()); | |
167 | } | |
168 | ||
169 | UpdateWindowUI(); | |
170 | } | |
171 | ||
172 | // wxSize DoGetBestSize() const | |
173 | // Get the "best" size for this control. | |
174 | wxSize wxToggleButton::DoGetBestSize() const | |
175 | { | |
176 | wxSize ret(wxControl::DoGetBestSize()); | |
177 | ||
178 | if (!HasFlag(wxBU_EXACTFIT)) | |
179 | { | |
180 | if (ret.x < 80) ret.x = 80; | |
181 | } | |
182 | ||
183 | ||
184 | return ret; | |
185 | } | |
186 | ||
187 | #endif // wxUSE_TOGGLEBTN | |
188 |