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1/////////////////////////////////////////////////////////////////////////////
2// Name: gtk/bmpbuttn.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 "bmpbuttn.h"
12#endif
13
14#include "wx/defs.h"
15
16#if wxUSE_BMPBUTTON
17
18#include "wx/bmpbuttn.h"
19
20#include <gdk/gdk.h>
21#include <gtk/gtk.h>
22
23//-----------------------------------------------------------------------------
24// classes
25//-----------------------------------------------------------------------------
26
27class wxBitmapButton;
28
29//-----------------------------------------------------------------------------
30// idle system
31//-----------------------------------------------------------------------------
32
33extern void wxapp_install_idle_handler();
34extern bool g_isIdle;
35
36//-----------------------------------------------------------------------------
37// data
38//-----------------------------------------------------------------------------
39
40extern bool g_blockEventsOnDrag;
41
42//-----------------------------------------------------------------------------
43// "clicked"
44//-----------------------------------------------------------------------------
45
46static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *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// "enter"
61//-----------------------------------------------------------------------------
62
63static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
64{
65 if (!button->m_hasVMT) return;
66 if (g_blockEventsOnDrag) return;
67
68 button->HasFocus();
69}
70
71//-----------------------------------------------------------------------------
72// "leave"
73//-----------------------------------------------------------------------------
74
75static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
76{
77 if (!button->m_hasVMT) return;
78 if (g_blockEventsOnDrag) return;
79
80 button->NotFocus();
81}
82
83//-----------------------------------------------------------------------------
84// "pressed"
85//-----------------------------------------------------------------------------
86
87static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
88{
89 if (!button->m_hasVMT) return;
90 if (g_blockEventsOnDrag) return;
91
92 button->StartSelect();
93}
94
95//-----------------------------------------------------------------------------
96// "released"
97//-----------------------------------------------------------------------------
98
99static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
100{
101 if (!button->m_hasVMT) return;
102 if (g_blockEventsOnDrag) return;
103
104 button->EndSelect();
105}
106
107//-----------------------------------------------------------------------------
108// wxBitmapButton
109//-----------------------------------------------------------------------------
110
111IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton)
112
113wxBitmapButton::wxBitmapButton()
114{
115}
116
117bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
118 const wxPoint &pos, const wxSize &size,
119 long style, const wxValidator& validator, const wxString &name )
120{
121 m_needParent = TRUE;
122 m_acceptsFocus = TRUE;
123
124 if (!PreCreation( parent, pos, size ) ||
125 !CreateBase( parent, id, pos, size, style, validator, name ))
126 {
127 wxFAIL_MSG( wxT("wxBitmapButton creation failed") );
128 return FALSE;
129 }
130
131 m_bmpNormal =
132 m_bmpDisabled =
133 m_bmpFocus =
134 m_bmpSelected = bitmap;
135
136 m_widget = gtk_button_new();
137
138#if (GTK_MINOR_VERSION > 0)
139 if (style & wxNO_BORDER)
140 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
141#endif
142
143 if (m_bmpNormal.Ok())
144 {
145 wxSize newSize = size;
146 int border = (style & wxNO_BORDER) ? 4 : 10;
147 if (newSize.x == -1)
148 newSize.x = m_bmpNormal.GetWidth()+border;
149 if (newSize.y == -1)
150 newSize.y = m_bmpNormal.GetHeight()+border;
151 SetSize( newSize.x, newSize.y );
152 OnSetBitmap();
153 }
154
155 gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
156 GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
157
158 gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
159 GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
160 gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
161 GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
162 gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
163 GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
164 gtk_signal_connect( GTK_OBJECT(m_widget), "released",
165 GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
166
167 m_parent->DoAddChild( this );
168
169 PostCreation();
170
171 SetBackgroundColour( parent->GetBackgroundColour() );
172
173 Show( TRUE );
174
175 return TRUE;
176}
177
178void wxBitmapButton::SetDefault()
179{
180 GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
181 gtk_widget_grab_default( m_widget );
182
183 SetSize( m_x, m_y, m_width, m_height );
184}
185
186void wxBitmapButton::SetLabel( const wxString &label )
187{
188 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
189
190 wxControl::SetLabel( label );
191}
192
193wxString wxBitmapButton::GetLabel() const
194{
195 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") );
196
197 return wxControl::GetLabel();
198}
199
200void wxBitmapButton::ApplyWidgetStyle()
201{
202 if (GTK_BUTTON(m_widget)->child == NULL) return;
203
204 wxButton::ApplyWidgetStyle();
205}
206
207void wxBitmapButton::OnSetBitmap()
208{
209 wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
210
211 wxBitmap the_one;
212 if (!m_isEnabled)
213 the_one = m_bmpDisabled;
214 else if (m_isSelected)
215 the_one = m_bmpSelected;
216 else if (m_hasFocus)
217 the_one = m_bmpFocus;
218 else
219 {
220 if (m_isSelected)
221 {
222 the_one = m_bmpSelected;
223 }
224 else
225 {
226 if (m_hasFocus)
227 the_one = m_bmpFocus;
228 else
229 the_one = m_bmpNormal;
230 }
231 }
232
233 if (!the_one.Ok()) the_one = m_bmpNormal;
234 if (!the_one.Ok()) return;
235
236 GdkBitmap *mask = (GdkBitmap *) NULL;
237 if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
238
239 GtkButton *bin = GTK_BUTTON(m_widget);
240 if (bin->child == NULL)
241 {
242 // initial bitmap
243 GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
244 gtk_widget_show(pixmap);
245 gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
246 }
247 else
248 { // subsequent bitmaps
249 GtkPixmap *g_pixmap = GTK_PIXMAP(bin->child);
250 gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask);
251 }
252}
253
254bool wxBitmapButton::Enable( bool enable )
255{
256 if ( !wxWindow::Enable(enable) )
257 return FALSE;
258
259 OnSetBitmap();
260
261 return TRUE;
262}
263
264void wxBitmapButton::HasFocus()
265{
266 m_hasFocus = TRUE;
267 OnSetBitmap();
268}
269
270void wxBitmapButton::NotFocus()
271{
272 m_hasFocus = FALSE;
273 OnSetBitmap();
274}
275
276void wxBitmapButton::StartSelect()
277{
278 m_isSelected = TRUE;
279 OnSetBitmap();
280}
281
282void wxBitmapButton::EndSelect()
283{
284 m_isSelected = FALSE;
285 OnSetBitmap();
286}
287
288#endif // wxUSE_BMPBUTTON
289