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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11#pragma implementation "bmpbuttn.h"
12#endif
13
14// For compilers that support precompilation, includes "wx.h".
15#include "wx/wxprec.h"
16
17#include "wx/defs.h"
18
19#if wxUSE_BMPBUTTON
20
21#include "wx/bmpbuttn.h"
22
23#include "wx/gtk/private.h"
24
25//-----------------------------------------------------------------------------
26// classes
27//-----------------------------------------------------------------------------
28
29class wxBitmapButton;
30
31//-----------------------------------------------------------------------------
32// idle system
33//-----------------------------------------------------------------------------
34
35extern void wxapp_install_idle_handler();
36extern bool g_isIdle;
37
38//-----------------------------------------------------------------------------
39// data
40//-----------------------------------------------------------------------------
41
42extern bool g_blockEventsOnDrag;
43
44//-----------------------------------------------------------------------------
45// "clicked"
46//-----------------------------------------------------------------------------
47
48static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
49{
50 if (g_isIdle)
51 wxapp_install_idle_handler();
52
53 if (!button->m_hasVMT) return;
54 if (g_blockEventsOnDrag) return;
55
56 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
57 event.SetEventObject(button);
58 button->GetEventHandler()->ProcessEvent(event);
59}
60
61//-----------------------------------------------------------------------------
62// "enter"
63//-----------------------------------------------------------------------------
64
65static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
66{
67 if (!button->m_hasVMT) return;
68 if (g_blockEventsOnDrag) return;
69
70 button->HasFocus();
71}
72
73//-----------------------------------------------------------------------------
74// "leave"
75//-----------------------------------------------------------------------------
76
77static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
78{
79 if (!button->m_hasVMT) return;
80 if (g_blockEventsOnDrag) return;
81
82 button->NotFocus();
83}
84
85//-----------------------------------------------------------------------------
86// "pressed"
87//-----------------------------------------------------------------------------
88
89static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
90{
91 if (!button->m_hasVMT) return;
92 if (g_blockEventsOnDrag) return;
93
94 button->StartSelect();
95}
96
97//-----------------------------------------------------------------------------
98// "released"
99//-----------------------------------------------------------------------------
100
101static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
102{
103 if (!button->m_hasVMT) return;
104 if (g_blockEventsOnDrag) return;
105
106 button->EndSelect();
107}
108
109//-----------------------------------------------------------------------------
110// wxBitmapButton
111//-----------------------------------------------------------------------------
112
113IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton)
114
115void wxBitmapButton::Init()
116{
117 m_hasFocus =
118 m_isSelected = FALSE;
119}
120
121bool wxBitmapButton::Create( wxWindow *parent,
122 wxWindowID id,
123 const wxBitmap& bitmap,
124 const wxPoint& pos,
125 const wxSize& size,
126 long style,
127 const wxValidator& validator,
128 const wxString &name )
129{
130 m_needParent = TRUE;
131 m_acceptsFocus = TRUE;
132
133 if (!PreCreation( parent, pos, size ) ||
134 !CreateBase( parent, id, pos, size, style, validator, name ))
135 {
136 wxFAIL_MSG( wxT("wxBitmapButton creation failed") );
137 return FALSE;
138 }
139
140 m_bmpNormal =
141 m_bmpDisabled =
142 m_bmpFocus =
143 m_bmpSelected = bitmap;
144
145 m_widget = gtk_button_new();
146
147 if (style & wxNO_BORDER)
148 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
149
150 if (m_bmpNormal.Ok())
151 {
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(size);
170
171 return TRUE;
172}
173
174void wxBitmapButton::SetDefault()
175{
176 GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
177 gtk_widget_grab_default( m_widget );
178
179 SetSize( m_x, m_y, m_width, m_height );
180}
181
182void wxBitmapButton::SetLabel( const wxString &label )
183{
184 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
185
186 wxControl::SetLabel( label );
187}
188
189wxString wxBitmapButton::GetLabel() const
190{
191 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") );
192
193 return wxControl::GetLabel();
194}
195
196void wxBitmapButton::ApplyWidgetStyle()
197{
198 if ( !BUTTON_CHILD(m_widget) )
199 return;
200
201 wxButton::ApplyWidgetStyle();
202}
203
204void wxBitmapButton::OnSetBitmap()
205{
206 wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
207
208 wxBitmap the_one;
209 if (!m_isEnabled)
210 the_one = m_bmpDisabled;
211 else if (m_isSelected)
212 the_one = m_bmpSelected;
213 else if (m_hasFocus)
214 the_one = m_bmpFocus;
215 else
216 {
217 if (m_isSelected)
218 {
219 the_one = m_bmpSelected;
220 }
221 else
222 {
223 if (m_hasFocus)
224 the_one = m_bmpFocus;
225 else
226 the_one = m_bmpNormal;
227 }
228 }
229
230 if (!the_one.Ok()) the_one = m_bmpNormal;
231 if (!the_one.Ok()) return;
232
233 GdkBitmap *mask = (GdkBitmap *) NULL;
234 if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
235
236 GtkWidget *child = BUTTON_CHILD(m_widget);
237 if (child == NULL)
238 {
239 // initial bitmap
240 GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
241 gtk_widget_show(pixmap);
242 gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
243 }
244 else
245 { // subsequent bitmaps
246 GtkPixmap *g_pixmap = GTK_PIXMAP(child);
247 gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask);
248 }
249}
250
251wxSize wxBitmapButton::DoGetBestSize() const
252{
253 wxSize best;
254
255 if (m_bmpNormal.Ok())
256 {
257 int border = HasFlag(wxNO_BORDER) ? 4 : 10;
258 best.x = m_bmpNormal.GetWidth()+border;
259 best.y = m_bmpNormal.GetHeight()+border;
260 }
261 return best;
262}
263
264bool wxBitmapButton::Enable( bool enable )
265{
266 if ( !wxWindow::Enable(enable) )
267 return FALSE;
268
269 OnSetBitmap();
270
271 return TRUE;
272}
273
274void wxBitmapButton::HasFocus()
275{
276 m_hasFocus = TRUE;
277 OnSetBitmap();
278}
279
280void wxBitmapButton::NotFocus()
281{
282 m_hasFocus = FALSE;
283 OnSetBitmap();
284}
285
286void wxBitmapButton::StartSelect()
287{
288 m_isSelected = TRUE;
289 OnSetBitmap();
290}
291
292void wxBitmapButton::EndSelect()
293{
294 m_isSelected = FALSE;
295 OnSetBitmap();
296}
297
298#endif // wxUSE_BMPBUTTON
299