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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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/bmpbuttn.h" | |
15 | ||
16 | #if wxUSE_BMPBUTTON | |
17 | ||
18 | #include "gdk/gdk.h" | |
19 | #include "gtk/gtk.h" | |
20 | ||
21 | //----------------------------------------------------------------------------- | |
22 | // classes | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
25 | class wxBitmapButton; | |
26 | ||
27 | //----------------------------------------------------------------------------- | |
28 | // idle system | |
29 | //----------------------------------------------------------------------------- | |
30 | ||
31 | extern void wxapp_install_idle_handler(); | |
32 | extern bool g_isIdle; | |
33 | ||
34 | //----------------------------------------------------------------------------- | |
35 | // data | |
36 | //----------------------------------------------------------------------------- | |
37 | ||
38 | extern bool g_blockEventsOnDrag; | |
39 | ||
40 | //----------------------------------------------------------------------------- | |
41 | // "clicked" | |
42 | //----------------------------------------------------------------------------- | |
43 | ||
44 | static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) | |
45 | { | |
46 | if (g_isIdle) wxapp_install_idle_handler(); | |
47 | ||
48 | if (!button->m_hasVMT) return; | |
49 | if (g_blockEventsOnDrag) return; | |
50 | ||
51 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); | |
52 | event.SetEventObject(button); | |
53 | button->GetEventHandler()->ProcessEvent(event); | |
54 | } | |
55 | ||
56 | //----------------------------------------------------------------------------- | |
57 | // "enter" | |
58 | //----------------------------------------------------------------------------- | |
59 | ||
60 | static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) | |
61 | { | |
62 | if (!button->m_hasVMT) return; | |
63 | if (g_blockEventsOnDrag) return; | |
64 | ||
65 | button->HasFocus(); | |
66 | } | |
67 | ||
68 | //----------------------------------------------------------------------------- | |
69 | // "leave" | |
70 | //----------------------------------------------------------------------------- | |
71 | ||
72 | static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) | |
73 | { | |
74 | if (!button->m_hasVMT) return; | |
75 | if (g_blockEventsOnDrag) return; | |
76 | ||
77 | button->NotFocus(); | |
78 | } | |
79 | ||
80 | //----------------------------------------------------------------------------- | |
81 | // "pressed" | |
82 | //----------------------------------------------------------------------------- | |
83 | ||
84 | static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) | |
85 | { | |
86 | if (!button->m_hasVMT) return; | |
87 | if (g_blockEventsOnDrag) return; | |
88 | ||
89 | button->StartSelect(); | |
90 | } | |
91 | ||
92 | //----------------------------------------------------------------------------- | |
93 | // "released" | |
94 | //----------------------------------------------------------------------------- | |
95 | ||
96 | static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) | |
97 | { | |
98 | if (!button->m_hasVMT) return; | |
99 | if (g_blockEventsOnDrag) return; | |
100 | ||
101 | button->EndSelect(); | |
102 | } | |
103 | ||
104 | //----------------------------------------------------------------------------- | |
105 | // wxBitmapButton | |
106 | //----------------------------------------------------------------------------- | |
107 | ||
108 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxControl) | |
109 | ||
110 | wxBitmapButton::wxBitmapButton() | |
111 | { | |
112 | } | |
113 | ||
114 | bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap, | |
115 | const wxPoint &pos, const wxSize &size, | |
116 | long style, const wxValidator& validator, const wxString &name ) | |
117 | { | |
118 | m_needParent = TRUE; | |
119 | m_acceptsFocus = TRUE; | |
120 | ||
121 | wxSize newSize = size; | |
122 | ||
123 | PreCreation( parent, id, pos, newSize, style, name ); | |
124 | ||
125 | #if wxUSE_VALIDATORS | |
126 | SetValidator( validator ); | |
127 | #endif | |
128 | ||
129 | m_bitmap = bitmap; | |
130 | m_disabled = bitmap; | |
131 | m_focus = bitmap; | |
132 | m_selected = bitmap; | |
133 | ||
134 | m_label = ""; | |
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_bitmap.Ok()) | |
144 | { | |
145 | GdkBitmap *mask = (GdkBitmap *) NULL; | |
146 | if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap(); | |
147 | GtkWidget *pixmap = gtk_pixmap_new( m_bitmap.GetPixmap(), mask ); | |
148 | ||
149 | gtk_widget_show( pixmap ); | |
150 | gtk_container_add( GTK_CONTAINER(m_widget), pixmap ); | |
151 | ||
152 | int border = 10; | |
153 | if (style & wxNO_BORDER) border = 4; | |
154 | if (newSize.x == -1) newSize.x = m_bitmap.GetWidth()+border; | |
155 | if (newSize.y == -1) newSize.y = m_bitmap.GetHeight()+border; | |
156 | SetSize( newSize.x, newSize.y ); | |
157 | } | |
158 | ||
159 | gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", | |
160 | GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this ); | |
161 | ||
162 | gtk_signal_connect( GTK_OBJECT(m_widget), "enter", | |
163 | GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this ); | |
164 | gtk_signal_connect( GTK_OBJECT(m_widget), "leave", | |
165 | GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this ); | |
166 | gtk_signal_connect( GTK_OBJECT(m_widget), "pressed", | |
167 | GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this ); | |
168 | gtk_signal_connect( GTK_OBJECT(m_widget), "released", | |
169 | GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this ); | |
170 | ||
171 | m_parent->DoAddChild( this ); | |
172 | ||
173 | PostCreation(); | |
174 | ||
175 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
176 | ||
177 | Show( TRUE ); | |
178 | ||
179 | return TRUE; | |
180 | } | |
181 | ||
182 | void wxBitmapButton::SetDefault() | |
183 | { | |
184 | GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); | |
185 | gtk_widget_grab_default( m_widget ); | |
186 | ||
187 | SetSize( m_x, m_y, m_width, m_height ); | |
188 | } | |
189 | ||
190 | void wxBitmapButton::SetLabel( const wxString &label ) | |
191 | { | |
192 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
193 | ||
194 | wxControl::SetLabel( label ); | |
195 | } | |
196 | ||
197 | wxString wxBitmapButton::GetLabel() const | |
198 | { | |
199 | wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid button") ); | |
200 | ||
201 | return wxControl::GetLabel(); | |
202 | } | |
203 | ||
204 | void wxBitmapButton::ApplyWidgetStyle() | |
205 | { | |
206 | } | |
207 | ||
208 | void wxBitmapButton::SetBitmap() | |
209 | { | |
210 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
211 | ||
212 | wxBitmap the_one; | |
213 | ||
214 | if (!m_isEnabled) | |
215 | the_one = m_disabled; | |
216 | else | |
217 | { | |
218 | if (m_isSelected) | |
219 | { | |
220 | the_one = m_selected; | |
221 | } | |
222 | else | |
223 | { | |
224 | if (m_hasFocus) | |
225 | the_one = m_focus; | |
226 | else | |
227 | the_one = m_bitmap; | |
228 | } | |
229 | } | |
230 | ||
231 | if (!the_one.Ok()) the_one = m_bitmap; | |
232 | if (!the_one.Ok()) return; | |
233 | ||
234 | GtkButton *bin = GTK_BUTTON( m_widget ); | |
235 | GtkPixmap *g_pixmap = GTK_PIXMAP( bin->child ); | |
236 | ||
237 | GdkBitmap *mask = (GdkBitmap *) NULL; | |
238 | if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap(); | |
239 | ||
240 | gtk_pixmap_set( g_pixmap, the_one.GetPixmap(), mask ); | |
241 | } | |
242 | ||
243 | void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap ) | |
244 | { | |
245 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
246 | ||
247 | if ( ! m_disabled.Ok() ) return; | |
248 | m_disabled = bitmap; | |
249 | ||
250 | SetBitmap(); | |
251 | } | |
252 | ||
253 | void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap ) | |
254 | { | |
255 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
256 | ||
257 | if ( ! m_focus.Ok() ) return; | |
258 | m_focus = bitmap; | |
259 | ||
260 | SetBitmap(); | |
261 | } | |
262 | ||
263 | void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap ) | |
264 | { | |
265 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
266 | ||
267 | if (!m_bitmap.Ok()) return; | |
268 | m_bitmap = bitmap; | |
269 | ||
270 | SetBitmap(); | |
271 | } | |
272 | ||
273 | void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap ) | |
274 | { | |
275 | wxCHECK_RET( m_widget != NULL, _T("invalid button") ); | |
276 | ||
277 | if ( ! m_selected.Ok() ) return; | |
278 | m_selected = bitmap; | |
279 | ||
280 | SetBitmap(); | |
281 | } | |
282 | ||
283 | bool wxBitmapButton::Enable( bool enable ) | |
284 | { | |
285 | if ( !wxWindow::Enable(enable) ) | |
286 | return FALSE; | |
287 | ||
288 | SetBitmap(); | |
289 | ||
290 | return TRUE; | |
291 | } | |
292 | ||
293 | void wxBitmapButton::HasFocus() | |
294 | { | |
295 | m_hasFocus = TRUE; | |
296 | SetBitmap(); | |
297 | } | |
298 | ||
299 | void wxBitmapButton::NotFocus() | |
300 | { | |
301 | m_hasFocus = FALSE; | |
302 | SetBitmap(); | |
303 | } | |
304 | ||
305 | void wxBitmapButton::StartSelect() | |
306 | { | |
307 | m_isSelected = TRUE; | |
308 | SetBitmap(); | |
309 | } | |
310 | ||
311 | void wxBitmapButton::EndSelect() | |
312 | { | |
313 | m_isSelected = FALSE; | |
314 | SetBitmap(); | |
315 | } | |
316 | ||
317 | #endif |