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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: button.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #ifdef __GNUG__ | |
11 | #pragma implementation "button.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/defs.h" | |
15 | ||
16 | #if wxUSE_BUTTON | |
17 | ||
18 | #include "wx/button.h" | |
19 | ||
20 | #include <gdk/gdk.h> | |
21 | #include <gtk/gtk.h> | |
22 | ||
23 | //----------------------------------------------------------------------------- | |
24 | // classes | |
25 | //----------------------------------------------------------------------------- | |
26 | ||
27 | class wxButton; | |
28 | ||
29 | //----------------------------------------------------------------------------- | |
30 | // idle system | |
31 | //----------------------------------------------------------------------------- | |
32 | ||
33 | extern void wxapp_install_idle_handler(); | |
34 | extern bool g_isIdle; | |
35 | ||
36 | //----------------------------------------------------------------------------- | |
37 | // data | |
38 | //----------------------------------------------------------------------------- | |
39 | ||
40 | extern bool g_blockEventsOnDrag; | |
41 | ||
42 | //----------------------------------------------------------------------------- | |
43 | // "clicked" | |
44 | //----------------------------------------------------------------------------- | |
45 | ||
46 | static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button ) | |
47 | { | |
48 | if (g_isIdle) | |
49 | wxapp_install_idle_handler(); | |
50 | ||
51 | if (!button->m_hasVMT) return; | |
52 | if (g_blockEventsOnDrag) return; | |
53 | ||
54 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); | |
55 | event.SetEventObject(button); | |
56 | button->GetEventHandler()->ProcessEvent(event); | |
57 | } | |
58 | ||
59 | //----------------------------------------------------------------------------- | |
60 | // wxButton | |
61 | //----------------------------------------------------------------------------- | |
62 | ||
63 | IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl) | |
64 | ||
65 | wxButton::wxButton() | |
66 | { | |
67 | } | |
68 | ||
69 | wxButton::~wxButton() | |
70 | { | |
71 | } | |
72 | ||
73 | bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label, | |
74 | const wxPoint &pos, const wxSize &size, | |
75 | long style, const wxValidator& validator, const wxString &name ) | |
76 | { | |
77 | m_needParent = TRUE; | |
78 | m_acceptsFocus = TRUE; | |
79 | ||
80 | if (!PreCreation( parent, pos, size ) || | |
81 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
82 | { | |
83 | wxFAIL_MSG( wxT("wxButton creation failed") ); | |
84 | return FALSE; | |
85 | } | |
86 | ||
87 | /* | |
88 | wxString label2( label ); | |
89 | for (size_t i = 0; i < label2.Len(); i++) | |
90 | { | |
91 | if (label2.GetChar(i) == wxT('&')) | |
92 | label2.SetChar(i,wxT('_')); | |
93 | } | |
94 | ||
95 | GtkWidget *accel_label = gtk_accel_label_new( label2.mb_str() ); | |
96 | gtk_widget_show( accel_label ); | |
97 | ||
98 | m_widget = gtk_button_new(); | |
99 | gtk_container_add( GTK_CONTAINER(m_widget), accel_label ); | |
100 | ||
101 | gtk_accel_label_set_accel_widget( GTK_ACCEL_LABEL(accel_label), m_widget ); | |
102 | ||
103 | guint accel_key = gtk_label_parse_uline (GTK_LABEL(accel_label), label2.mb_str() ); | |
104 | gtk_accel_label_refetch( GTK_ACCEL_LABEL(accel_label) ); | |
105 | ||
106 | wxControl::SetLabel( label ); | |
107 | */ | |
108 | ||
109 | m_widget = gtk_button_new_with_label(""); | |
110 | ||
111 | SetLabel( label ); | |
112 | ||
113 | #if (GTK_MINOR_VERSION > 0) | |
114 | if (style & wxNO_BORDER) | |
115 | gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE ); | |
116 | #endif | |
117 | ||
118 | gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", | |
119 | GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this ); | |
120 | ||
121 | m_parent->DoAddChild( this ); | |
122 | ||
123 | PostCreation(); | |
124 | ||
125 | SetFont( parent->GetFont() ); | |
126 | ||
127 | wxSize best_size( DoGetBestSize() ); | |
128 | wxSize new_size( size ); | |
129 | if (new_size.x == -1) | |
130 | new_size.x = best_size.x; | |
131 | if (new_size.y == -1) | |
132 | new_size.y = best_size.y; | |
133 | if ((new_size.x != size.x) || (new_size.y != size.y)) | |
134 | SetSize( new_size.x, new_size.y ); | |
135 | ||
136 | SetSize( new_size ); | |
137 | ||
138 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
139 | SetForegroundColour( parent->GetForegroundColour() ); | |
140 | ||
141 | Show( TRUE ); | |
142 | ||
143 | return TRUE; | |
144 | } | |
145 | ||
146 | void wxButton::SetDefault() | |
147 | { | |
148 | GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); | |
149 | gtk_widget_grab_default( m_widget ); | |
150 | ||
151 | SetSize( m_x, m_y, m_width, m_height ); | |
152 | } | |
153 | ||
154 | /* static */ | |
155 | wxSize wxButton::GetDefaultSize() | |
156 | { | |
157 | return wxSize(80,26); | |
158 | } | |
159 | ||
160 | void wxButton::SetLabel( const wxString &label ) | |
161 | { | |
162 | wxCHECK_RET( m_widget != NULL, wxT("invalid button") ); | |
163 | ||
164 | wxControl::SetLabel( label ); | |
165 | ||
166 | gtk_label_set( GTK_LABEL( GTK_BUTTON(m_widget)->child ), GetLabel().mbc_str() ); | |
167 | } | |
168 | ||
169 | bool wxButton::Enable( bool enable ) | |
170 | { | |
171 | if ( !wxControl::Enable( enable ) ) | |
172 | return FALSE; | |
173 | ||
174 | gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable ); | |
175 | ||
176 | return TRUE; | |
177 | } | |
178 | ||
179 | void wxButton::ApplyWidgetStyle() | |
180 | { | |
181 | SetWidgetStyle(); | |
182 | gtk_widget_set_style( m_widget, m_widgetStyle ); | |
183 | gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle ); | |
184 | } | |
185 | ||
186 | wxSize wxButton::DoGetBestSize() const | |
187 | { | |
188 | wxSize ret( wxControl::DoGetBestSize() ); | |
189 | if (ret.x < 80) ret.x = 80; | |
190 | return ret; | |
191 | } | |
192 | ||
193 | #endif // wxUSE_BUTTON | |
194 |