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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/button.h" | |
15 | ||
16 | //----------------------------------------------------------------------------- | |
17 | // classes | |
18 | //----------------------------------------------------------------------------- | |
19 | ||
20 | class wxButton; | |
21 | ||
22 | //----------------------------------------------------------------------------- | |
23 | // data | |
24 | //----------------------------------------------------------------------------- | |
25 | ||
26 | extern bool g_blockEventsOnDrag; | |
27 | ||
28 | //----------------------------------------------------------------------------- | |
29 | // "clicked" | |
30 | //----------------------------------------------------------------------------- | |
31 | ||
32 | static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button ) | |
33 | { | |
34 | if (!button->HasVMT()) return; | |
35 | if (g_blockEventsOnDrag) return; | |
36 | ||
37 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); | |
38 | event.SetEventObject(button); | |
39 | button->GetEventHandler()->ProcessEvent(event); | |
40 | } | |
41 | ||
42 | //----------------------------------------------------------------------------- | |
43 | // wxButton | |
44 | //----------------------------------------------------------------------------- | |
45 | ||
46 | IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl) | |
47 | ||
48 | wxButton::wxButton(void) | |
49 | { | |
50 | } | |
51 | ||
52 | bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label, | |
53 | const wxPoint &pos, const wxSize &size, | |
54 | long style, const wxValidator& validator, const wxString &name ) | |
55 | { | |
56 | m_needParent = TRUE; | |
57 | ||
58 | wxSize newSize = size; | |
59 | ||
60 | PreCreation( parent, id, pos, newSize, style, name ); | |
61 | ||
62 | SetValidator( validator ); | |
63 | ||
64 | m_widget = gtk_button_new_with_label( m_label ); | |
65 | SetLabel(label); | |
66 | ||
67 | if (newSize.x == -1) newSize.x = 15+gdk_string_measure( m_widget->style->font, label ); | |
68 | if (newSize.y == -1) newSize.y = 26; | |
69 | SetSize( newSize.x, newSize.y ); | |
70 | ||
71 | gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", | |
72 | GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this ); | |
73 | ||
74 | PostCreation(); | |
75 | ||
76 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
77 | ||
78 | Show( TRUE ); | |
79 | ||
80 | return TRUE; | |
81 | } | |
82 | ||
83 | void wxButton::SetDefault(void) | |
84 | { | |
85 | /* | |
86 | GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); | |
87 | gtk_widget_grab_default( m_widget ); | |
88 | */ | |
89 | } | |
90 | ||
91 | void wxButton::SetLabel( const wxString &label ) | |
92 | { | |
93 | wxCHECK_RET( m_widget != NULL, "invalid button" ); | |
94 | ||
95 | wxControl::SetLabel( label ); | |
96 | ||
97 | gtk_label_set( GTK_LABEL( GTK_BUTTON(m_widget)->child ), GetLabel() ); | |
98 | } | |
99 | ||
100 | void wxButton::Enable( bool enable ) | |
101 | { | |
102 | wxCHECK_RET( m_widget != NULL, "invalid button" ); | |
103 | ||
104 | wxControl::Enable( enable ); | |
105 | ||
106 | gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable ); | |
107 | } | |
108 | ||
109 | void wxButton::SetFont( const wxFont &font ) | |
110 | { | |
111 | wxCHECK_RET( m_widget != NULL, "invalid button" ); | |
112 | ||
113 | wxControl::SetFont( font ); | |
114 | ||
115 | gtk_widget_set_style( GTK_BUTTON(m_widget)->child, | |
116 | gtk_style_ref( | |
117 | gtk_widget_get_style( m_widget ) ) ); | |
118 | } | |
119 | ||
120 | void wxButton::SetBackgroundColour( const wxColour &colour ) | |
121 | { | |
122 | return; | |
123 | ||
124 | wxCHECK_RET( m_widget != NULL, "invalid button" ); | |
125 | ||
126 | wxControl::SetBackgroundColour( colour ); | |
127 | ||
128 | if (!m_backgroundColour.Ok()) return; | |
129 | ||
130 | gtk_widget_set_style( GTK_BUTTON(m_widget)->child, | |
131 | gtk_style_ref( | |
132 | gtk_widget_get_style( m_widget ) ) ); | |
133 | } | |
134 | ||
135 |