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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 <gdk/gdk.h> | |
19 | #include <gtk/gtk.h> | |
20 | ||
21 | extern void wxapp_install_idle_handler(); | |
22 | extern bool g_isIdle; | |
23 | extern bool g_blockEventsOnDrag; | |
24 | extern wxCursor g_globalCursor; | |
25 | ||
26 | // void gtk_togglebutton_clicked_callback(GtkWidget *widget, wxToggleButton *cb) | |
27 | // Callback function given to gtk. | |
28 | static void gtk_togglebutton_clicked_callback(GtkWidget *WXUNUSED(widget), wxToggleButton *cb) | |
29 | { | |
30 | if (g_isIdle) | |
31 | wxapp_install_idle_handler(); | |
32 | ||
33 | if (!cb->m_hasVMT || g_blockEventsOnDrag) | |
34 | return; | |
35 | ||
36 | if (cb->m_blockEvent) return; | |
37 | ||
38 | // Generate a wx event. | |
39 | wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, cb->GetId()); | |
40 | event.SetInt(cb->GetValue()); | |
41 | event.SetEventObject(cb); | |
42 | cb->GetEventHandler()->ProcessEvent(event); | |
43 | } | |
44 | ||
45 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) | |
46 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED) | |
47 | ||
48 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, | |
49 | const wxString &label, const wxPoint &pos, | |
50 | const wxSize &size, long style, | |
51 | const wxValidator& validator, | |
52 | const wxString &name) | |
53 | { | |
54 | m_needParent = TRUE; | |
55 | m_acceptsFocus = TRUE; | |
56 | ||
57 | m_blockEvent = FALSE; | |
58 | ||
59 | if (!PreCreation(parent, pos, size) || | |
60 | !CreateBase(parent, id, pos, size, style, validator, name )) { | |
61 | wxFAIL_MSG(wxT("wxToggleButton creation failed")); | |
62 | return FALSE; | |
63 | } | |
64 | ||
65 | wxControl::SetLabel(label); | |
66 | ||
67 | // Create the gtk widget. | |
68 | m_widget = gtk_toggle_button_new_with_label(m_label.mbc_str()); | |
69 | ||
70 | gtk_signal_connect(GTK_OBJECT(m_widget), "clicked", | |
71 | GTK_SIGNAL_FUNC(gtk_togglebutton_clicked_callback), | |
72 | (gpointer *)this); | |
73 | ||
74 | m_parent->DoAddChild(this); | |
75 | ||
76 | PostCreation(); | |
77 | ||
78 | SetFont(parent->GetFont()); | |
79 | ||
80 | wxSize size_best(DoGetBestSize()); | |
81 | wxSize new_size(size); | |
82 | if (new_size.x == -1) | |
83 | new_size.x = size_best.x; | |
84 | if (new_size.y == -1) | |
85 | new_size.y = size_best.y; | |
86 | if ((new_size.x != size.x) || (new_size.y != size.y)) | |
87 | SetSize(new_size.x, new_size.y); | |
88 | ||
89 | SetBackgroundColour(parent->GetBackgroundColour()); | |
90 | SetForegroundColour(parent->GetForegroundColour()); | |
91 | ||
92 | Show(TRUE); | |
93 | ||
94 | return TRUE; | |
95 | } | |
96 | ||
97 | // void SetValue(bool state) | |
98 | // Set the value of the toggle button. | |
99 | void wxToggleButton::SetValue(bool state) | |
100 | { | |
101 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
102 | ||
103 | if (state == GetValue()) | |
104 | return; | |
105 | ||
106 | m_blockEvent = TRUE; | |
107 | ||
108 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
109 | ||
110 | m_blockEvent = FALSE; | |
111 | } | |
112 | ||
113 | // bool GetValue() const | |
114 | // Get the value of the toggle button. | |
115 | bool wxToggleButton::GetValue() const | |
116 | { | |
117 | wxCHECK_MSG(m_widget != NULL, FALSE, wxT("invalid toggle button")); | |
118 | ||
119 | return GTK_TOGGLE_BUTTON(m_widget)->active; | |
120 | } | |
121 | ||
122 | void wxToggleButton::SetLabel(const wxString& label) | |
123 | { | |
124 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
125 | ||
126 | wxControl::SetLabel(label); | |
127 | ||
128 | gtk_label_set(GTK_LABEL(GTK_BUTTON(m_widget)->child), | |
129 | GetLabel().mbc_str()); | |
130 | } | |
131 | ||
132 | bool wxToggleButton::Enable(bool enable /*=TRUE*/) | |
133 | { | |
134 | if (!wxControl::Enable(enable)) | |
135 | return FALSE; | |
136 | ||
137 | gtk_widget_set_sensitive(GTK_BUTTON(m_widget)->child, enable); | |
138 | ||
139 | return TRUE; | |
140 | } | |
141 | ||
142 | void wxToggleButton::ApplyWidgetStyle() | |
143 | { | |
144 | SetWidgetStyle(); | |
145 | gtk_widget_set_style(m_widget, m_widgetStyle); | |
146 | gtk_widget_set_style(GTK_BUTTON(m_widget)->child, m_widgetStyle); | |
147 | } | |
148 | ||
149 | bool wxToggleButton::IsOwnGtkWindow(GdkWindow *window) | |
150 | { | |
151 | return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window); | |
152 | } | |
153 | ||
154 | void wxToggleButton::OnInternalIdle() | |
155 | { | |
156 | wxCursor cursor = m_cursor; | |
157 | ||
158 | if (g_globalCursor.Ok()) | |
159 | cursor = g_globalCursor; | |
160 | ||
161 | if (GTK_TOGGLE_BUTTON(m_widget)->event_window && cursor.Ok()) { | |
162 | /* I now set the cursor the anew in every OnInternalIdle call | |
163 | as setting the cursor in a parent window also effects the | |
164 | windows above so that checking for the current cursor is | |
165 | not possible. */ | |
166 | ||
167 | gdk_window_set_cursor(GTK_TOGGLE_BUTTON(m_widget)->event_window, | |
168 | cursor.GetCursor()); | |
169 | } | |
170 | ||
171 | UpdateWindowUI(); | |
172 | } | |
173 | ||
174 | // wxSize DoGetBestSize() const | |
175 | // Get the "best" size for this control. | |
176 | wxSize wxToggleButton::DoGetBestSize() const | |
177 | { | |
178 | wxSize ret(wxControl::DoGetBestSize()); | |
179 | ||
180 | if (!HasFlag(wxBU_EXACTFIT)) | |
181 | { | |
182 | if (ret.x < 80) ret.x = 80; | |
183 | } | |
184 | ||
185 | ||
186 | return ret; | |
187 | } | |
188 | ||
189 | #endif // wxUSE_TOGGLEBTN | |
190 |