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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 | ||
27 | class wxBitmapButton; | |
28 | ||
29 | //----------------------------------------------------------------------------- | |
30 | // idle system | |
31 | //----------------------------------------------------------------------------- | |
32 | ||
33 | extern void wxapp_install_idle_handler(); | |
34 | extern bool g_isIdle; | |
35 | ||
36 | //----------------------------------------------------------------------------- | |
37 | // data | |
38 | //----------------------------------------------------------------------------- | |
39 | ||
40 | extern bool g_blockEventsOnDrag; | |
41 | ||
42 | //----------------------------------------------------------------------------- | |
43 | // "clicked" | |
44 | //----------------------------------------------------------------------------- | |
45 | ||
46 | static 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 | ||
63 | static 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 | ||
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->NotFocus(); | |
81 | } | |
82 | ||
83 | //----------------------------------------------------------------------------- | |
84 | // "pressed" | |
85 | //----------------------------------------------------------------------------- | |
86 | ||
87 | static 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 | ||
99 | static 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 | ||
111 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton) | |
112 | ||
113 | wxBitmapButton::wxBitmapButton() | |
114 | { | |
115 | } | |
116 | ||
117 | bool 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 | ||
178 | void 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 | ||
186 | void wxBitmapButton::SetLabel( const wxString &label ) | |
187 | { | |
188 | wxCHECK_RET( m_widget != NULL, wxT("invalid button") ); | |
189 | ||
190 | wxControl::SetLabel( label ); | |
191 | } | |
192 | ||
193 | wxString wxBitmapButton::GetLabel() const | |
194 | { | |
195 | wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") ); | |
196 | ||
197 | return wxControl::GetLabel(); | |
198 | } | |
199 | ||
200 | void wxBitmapButton::ApplyWidgetStyle() | |
201 | { | |
202 | if (GTK_BUTTON(m_widget)->child == NULL) return; | |
203 | ||
204 | wxButton::ApplyWidgetStyle(); | |
205 | } | |
206 | ||
207 | void 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 | ||
254 | bool wxBitmapButton::Enable( bool enable ) | |
255 | { | |
256 | if ( !wxWindow::Enable(enable) ) | |
257 | return FALSE; | |
258 | ||
259 | OnSetBitmap(); | |
260 | ||
261 | return TRUE; | |
262 | } | |
263 | ||
264 | void wxBitmapButton::HasFocus() | |
265 | { | |
266 | m_hasFocus = TRUE; | |
267 | OnSetBitmap(); | |
268 | } | |
269 | ||
270 | void wxBitmapButton::NotFocus() | |
271 | { | |
272 | m_hasFocus = FALSE; | |
273 | OnSetBitmap(); | |
274 | } | |
275 | ||
276 | void wxBitmapButton::StartSelect() | |
277 | { | |
278 | m_isSelected = TRUE; | |
279 | OnSetBitmap(); | |
280 | } | |
281 | ||
282 | void wxBitmapButton::EndSelect() | |
283 | { | |
284 | m_isSelected = FALSE; | |
285 | OnSetBitmap(); | |
286 | } | |
287 | ||
288 | #endif // wxUSE_BMPBUTTON | |
289 |