1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk1/bmpbuttn.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 #if wxUSE_BMPBUTTON
13
14 #include "wx/bmpbuttn.h"
15
16 #include "wx/gtk1/private.h"
17
18 //-----------------------------------------------------------------------------
19 // classes
20 //-----------------------------------------------------------------------------
21
22 class wxBitmapButton;
23
24 //-----------------------------------------------------------------------------
25 // idle system
26 //-----------------------------------------------------------------------------
27
28 extern void wxapp_install_idle_handler();
29 extern bool g_isIdle;
30
31 //-----------------------------------------------------------------------------
32 // data
33 //-----------------------------------------------------------------------------
34
35 extern bool g_blockEventsOnDrag;
36
37 //-----------------------------------------------------------------------------
38 // "clicked"
39 //-----------------------------------------------------------------------------
40
41 extern "C" {
gtk_bmpbutton_clicked_callback(GtkWidget * WXUNUSED (widget),wxBitmapButton * button)42 static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
43 {
44 if (g_isIdle)
45 wxapp_install_idle_handler();
46
47 if (!button->m_hasVMT) return;
48 if (g_blockEventsOnDrag) return;
49
50 wxCommandEvent event(wxEVT_BUTTON, button->GetId());
51 event.SetEventObject(button);
52 button->HandleWindowEvent(event);
53 }
54 }
55
56 //-----------------------------------------------------------------------------
57 // "enter"
58 //-----------------------------------------------------------------------------
59
60 extern "C" {
gtk_bmpbutton_enter_callback(GtkWidget * WXUNUSED (widget),wxBitmapButton * button)61 static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
62 {
63 if (!button->m_hasVMT) return;
64 if (g_blockEventsOnDrag) return;
65
66 button->GTKSetHasFocus();
67 }
68 }
69
70 //-----------------------------------------------------------------------------
71 // "leave"
72 //-----------------------------------------------------------------------------
73
74 extern "C" {
gtk_bmpbutton_leave_callback(GtkWidget * WXUNUSED (widget),wxBitmapButton * button)75 static 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->GTKSetNotFocus();
81 }
82 }
83
84 //-----------------------------------------------------------------------------
85 // "pressed"
86 //-----------------------------------------------------------------------------
87
88 extern "C" {
gtk_bmpbutton_press_callback(GtkWidget * WXUNUSED (widget),wxBitmapButton * button)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 //-----------------------------------------------------------------------------
99 // "released"
100 //-----------------------------------------------------------------------------
101
102 extern "C" {
gtk_bmpbutton_release_callback(GtkWidget * WXUNUSED (widget),wxBitmapButton * button)103 static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
104 {
105 if (!button->m_hasVMT) return;
106 if (g_blockEventsOnDrag) return;
107
108 button->EndSelect();
109 }
110 }
111
112 //-----------------------------------------------------------------------------
113 // wxBitmapButton
114 //-----------------------------------------------------------------------------
115
Init()116 void wxBitmapButton::Init()
117 {
118 m_hasFocus =
119 m_isSelected = false;
120 }
121
Create(wxWindow * parent,wxWindowID id,const wxBitmap & bitmap,const wxPoint & pos,const wxSize & size,long style,const wxValidator & validator,const wxString & name)122 bool wxBitmapButton::Create( wxWindow *parent,
123 wxWindowID id,
124 const wxBitmap& bitmap,
125 const wxPoint& pos,
126 const wxSize& size,
127 long style,
128 const wxValidator& validator,
129 const wxString &name )
130 {
131 m_needParent = true;
132 m_acceptsFocus = true;
133
134 if (!PreCreation( parent, pos, size ) ||
135 !CreateBase( parent, id, pos, size, style, validator, name ))
136 {
137 wxFAIL_MSG( wxT("wxBitmapButton creation failed") );
138 return false;
139 }
140
141 m_bitmaps[State_Normal] = bitmap;
142
143 m_widget = gtk_button_new();
144
145 if (style & wxNO_BORDER)
146 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
147
148 if (bitmap.IsOk())
149 {
150 OnSetBitmap();
151 }
152
153 gtk_signal_connect_after( GTK_OBJECT(m_widget), "clicked",
154 GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
155
156 gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
157 GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
158 gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
159 GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
160 gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
161 GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
162 gtk_signal_connect( GTK_OBJECT(m_widget), "released",
163 GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
164
165 m_parent->DoAddChild( this );
166
167 PostCreation(size);
168
169 return true;
170 }
171
SetLabel(const wxString & label)172 void wxBitmapButton::SetLabel( const wxString &label )
173 {
174 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
175
176 wxControl::SetLabel( label );
177 }
178
DoApplyWidgetStyle(GtkRcStyle * style)179 void wxBitmapButton::DoApplyWidgetStyle(GtkRcStyle *style)
180 {
181 if ( !BUTTON_CHILD(m_widget) )
182 return;
183
184 wxButton::DoApplyWidgetStyle(style);
185 }
186
OnSetBitmap()187 void wxBitmapButton::OnSetBitmap()
188 {
189 wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
190
191 InvalidateBestSize();
192
193 wxBitmap the_one;
194 if (!IsThisEnabled())
195 the_one = GetBitmapDisabled();
196 else if (m_isSelected)
197 the_one = GetBitmapPressed();
198 else if (HasFocus())
199 the_one = GetBitmapFocus();
200
201 if (!the_one.IsOk())
202 {
203 the_one = GetBitmapLabel();
204 if (!the_one.IsOk())
205 return;
206 }
207
208 GdkBitmap *mask = NULL;
209 if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
210
211 GtkWidget *child = BUTTON_CHILD(m_widget);
212 if (child == NULL)
213 {
214 // initial bitmap
215 GtkWidget *pixmap;
216 pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
217 gtk_widget_show(pixmap);
218 gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
219 }
220 else
221 { // subsequent bitmaps
222 GtkPixmap *pixmap = GTK_PIXMAP(child);
223 gtk_pixmap_set(pixmap, the_one.GetPixmap(), mask);
224 }
225 }
226
DoGetBestSize() const227 wxSize wxBitmapButton::DoGetBestSize() const
228 {
229 return wxControl::DoGetBestSize();
230 }
231
Enable(bool enable)232 bool wxBitmapButton::Enable( bool enable )
233 {
234 if ( !wxWindow::Enable(enable) )
235 return false;
236
237 OnSetBitmap();
238
239 return true;
240 }
241
GTKSetHasFocus()242 void wxBitmapButton::GTKSetHasFocus()
243 {
244 m_hasFocus = true;
245 OnSetBitmap();
246 }
247
GTKSetNotFocus()248 void wxBitmapButton::GTKSetNotFocus()
249 {
250 m_hasFocus = false;
251 OnSetBitmap();
252 }
253
StartSelect()254 void wxBitmapButton::StartSelect()
255 {
256 m_isSelected = true;
257 OnSetBitmap();
258 }
259
EndSelect()260 void wxBitmapButton::EndSelect()
261 {
262 m_isSelected = false;
263 OnSetBitmap();
264 }
265
266 #endif // wxUSE_BMPBUTTON
267