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Various fixes and warnings
[wxWidgets.git] / src / gtk1 / bmpbuttn.cpp
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
29 class wxBitmapButton;
30
31 //-----------------------------------------------------------------------------
32 // idle system
33 //-----------------------------------------------------------------------------
34
35 extern void wxapp_install_idle_handler();
36 extern bool g_isIdle;
37
38 //-----------------------------------------------------------------------------
39 // data
40 //-----------------------------------------------------------------------------
41
42 extern bool g_blockEventsOnDrag;
43
44 //-----------------------------------------------------------------------------
45 // "clicked"
46 //-----------------------------------------------------------------------------
47
48 static 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
65 static 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
77 static 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
89 static 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
101 static 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
113 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton)
114
115 void wxBitmapButton::Init()
116 {
117 m_hasFocus =
118 m_isSelected = FALSE;
119 }
120
121 bool 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 (GTK_MINOR_VERSION > 0)
148 if (style & wxNO_BORDER)
149 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
150 #endif
151
152 if (m_bmpNormal.Ok())
153 {
154 wxSize newSize = size;
155 int border = (style & wxNO_BORDER) ? 4 : 10;
156 if (newSize.x == -1)
157 newSize.x = m_bmpNormal.GetWidth()+border;
158 if (newSize.y == -1)
159 newSize.y = m_bmpNormal.GetHeight()+border;
160 SetSize( newSize.x, newSize.y );
161 OnSetBitmap();
162 }
163
164 gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
165 GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
166
167 gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
168 GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
169 gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
170 GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
171 gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
172 GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
173 gtk_signal_connect( GTK_OBJECT(m_widget), "released",
174 GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
175
176 m_parent->DoAddChild( this );
177
178 PostCreation();
179 InheritAttributes();
180
181 Show( TRUE );
182
183 return TRUE;
184 }
185
186 void wxBitmapButton::SetDefault()
187 {
188 GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
189 gtk_widget_grab_default( m_widget );
190
191 SetSize( m_x, m_y, m_width, m_height );
192 }
193
194 void wxBitmapButton::SetLabel( const wxString &label )
195 {
196 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
197
198 wxControl::SetLabel( label );
199 }
200
201 wxString wxBitmapButton::GetLabel() const
202 {
203 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") );
204
205 return wxControl::GetLabel();
206 }
207
208 void wxBitmapButton::ApplyWidgetStyle()
209 {
210 if ( !BUTTON_CHILD(m_widget) )
211 return;
212
213 wxButton::ApplyWidgetStyle();
214 }
215
216 void wxBitmapButton::OnSetBitmap()
217 {
218 wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
219
220 wxBitmap the_one;
221 if (!m_isEnabled)
222 the_one = m_bmpDisabled;
223 else if (m_isSelected)
224 the_one = m_bmpSelected;
225 else if (m_hasFocus)
226 the_one = m_bmpFocus;
227 else
228 {
229 if (m_isSelected)
230 {
231 the_one = m_bmpSelected;
232 }
233 else
234 {
235 if (m_hasFocus)
236 the_one = m_bmpFocus;
237 else
238 the_one = m_bmpNormal;
239 }
240 }
241
242 if (!the_one.Ok()) the_one = m_bmpNormal;
243 if (!the_one.Ok()) return;
244
245 GdkBitmap *mask = (GdkBitmap *) NULL;
246 if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
247
248 GtkWidget *child = BUTTON_CHILD(m_widget);
249 if (child == NULL)
250 {
251 // initial bitmap
252 GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
253 gtk_widget_show(pixmap);
254 gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
255 }
256 else
257 { // subsequent bitmaps
258 GtkPixmap *g_pixmap = GTK_PIXMAP(child);
259 gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask);
260 }
261 }
262
263 bool wxBitmapButton::Enable( bool enable )
264 {
265 if ( !wxWindow::Enable(enable) )
266 return FALSE;
267
268 OnSetBitmap();
269
270 return TRUE;
271 }
272
273 void wxBitmapButton::HasFocus()
274 {
275 m_hasFocus = TRUE;
276 OnSetBitmap();
277 }
278
279 void wxBitmapButton::NotFocus()
280 {
281 m_hasFocus = FALSE;
282 OnSetBitmap();
283 }
284
285 void wxBitmapButton::StartSelect()
286 {
287 m_isSelected = TRUE;
288 OnSetBitmap();
289 }
290
291 void wxBitmapButton::EndSelect()
292 {
293 m_isSelected = FALSE;
294 OnSetBitmap();
295 }
296
297 #endif // wxUSE_BMPBUTTON
298