1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include <gegl.h>
21 #include <gtk/gtk.h>
22
23 #include "libgimpcolor/gimpcolor.h"
24 #include "libgimpconfig/gimpconfig.h"
25 #include "libgimpbase/gimpbase.h"
26
27 #include "widgets-types.h"
28
29 #include "config/gimpguiconfig.h"
30
31 #include "core/gimp.h"
32 #include "core/gimpcontext.h"
33 #include "core/gimpdatafactory.h"
34 #include "core/gimperror.h"
35 #include "core/gimpgradient.h"
36 #include "core/gimplist.h"
37 #include "core/gimppattern.h"
38 #include "core/gimptoolinfo.h"
39
40 #include "gimpdeviceinfo.h"
41 #include "gimpdevicemanager.h"
42 #include "gimpdevices.h"
43
44 #include "gimp-intl.h"
45
46
47 #define GIMP_DEVICE_MANAGER_DATA_KEY "gimp-device-manager"
48
49
50 static gboolean devicerc_deleted = FALSE;
51
52
53 /* public functions */
54
55 void
gimp_devices_init(Gimp * gimp)56 gimp_devices_init (Gimp *gimp)
57 {
58 GimpDeviceManager *manager;
59
60 g_return_if_fail (GIMP_IS_GIMP (gimp));
61
62 manager = g_object_get_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY);
63
64 g_return_if_fail (manager == NULL);
65
66 manager = gimp_device_manager_new (gimp);
67
68 g_object_set_data_full (G_OBJECT (gimp),
69 GIMP_DEVICE_MANAGER_DATA_KEY, manager,
70 (GDestroyNotify) g_object_unref);
71 }
72
73 void
gimp_devices_exit(Gimp * gimp)74 gimp_devices_exit (Gimp *gimp)
75 {
76 GimpDeviceManager *manager;
77
78 g_return_if_fail (GIMP_IS_GIMP (gimp));
79
80 manager = gimp_devices_get_manager (gimp);
81
82 g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
83
84 g_object_set_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY, NULL);
85 }
86
87 void
gimp_devices_restore(Gimp * gimp)88 gimp_devices_restore (Gimp *gimp)
89 {
90 GimpDeviceManager *manager;
91 GList *list;
92 GFile *file;
93 GError *error = NULL;
94
95 g_return_if_fail (GIMP_IS_GIMP (gimp));
96
97 manager = gimp_devices_get_manager (gimp);
98
99 g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
100
101 for (list = GIMP_LIST (manager)->queue->head;
102 list;
103 list = g_list_next (list))
104 {
105 GimpDeviceInfo *device_info = list->data;
106
107 gimp_device_info_save_tool (device_info);
108 gimp_device_info_set_default_tool (device_info);
109 }
110
111 file = gimp_directory_file ("devicerc", NULL);
112
113 if (gimp->be_verbose)
114 g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
115
116 if (! gimp_config_deserialize_gfile (GIMP_CONFIG (manager),
117 file,
118 gimp,
119 &error))
120 {
121 if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
122 gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
123
124 g_error_free (error);
125 /* don't bail out here */
126 }
127
128 g_object_unref (file);
129
130 for (list = GIMP_LIST (manager)->queue->head;
131 list;
132 list = g_list_next (list))
133 {
134 GimpDeviceInfo *device_info = list->data;
135
136 if (! GIMP_TOOL_PRESET (device_info)->tool_options)
137 {
138 gimp_device_info_save_tool (device_info);
139
140 g_printerr ("%s: set default tool on loaded GimpDeviceInfo without tool options: %s\n",
141 G_STRFUNC, gimp_object_get_name (device_info));
142 }
143 }
144
145 if (! GIMP_GUI_CONFIG (gimp->config)->devices_share_tool)
146 {
147 GimpDeviceInfo *current_device;
148
149 current_device = gimp_device_manager_get_current_device (manager);
150
151 gimp_device_info_restore_tool (current_device);
152 }
153 }
154
155 void
gimp_devices_save(Gimp * gimp,gboolean always_save)156 gimp_devices_save (Gimp *gimp,
157 gboolean always_save)
158 {
159 GimpDeviceManager *manager;
160 GFile *file;
161 GError *error = NULL;
162
163 g_return_if_fail (GIMP_IS_GIMP (gimp));
164
165 manager = gimp_devices_get_manager (gimp);
166
167 g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
168
169 if (devicerc_deleted && ! always_save)
170 return;
171
172 file = gimp_directory_file ("devicerc", NULL);
173
174 if (gimp->be_verbose)
175 g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
176
177 if (! GIMP_GUI_CONFIG (gimp->config)->devices_share_tool)
178 {
179 GimpDeviceInfo *current_device;
180
181 current_device = gimp_device_manager_get_current_device (manager);
182
183 gimp_device_info_save_tool (current_device);
184 }
185
186 if (! gimp_config_serialize_to_gfile (GIMP_CONFIG (manager),
187 file,
188 "GIMP devicerc",
189 "end of devicerc",
190 NULL,
191 &error))
192 {
193 gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
194 g_error_free (error);
195 }
196
197 g_object_unref (file);
198
199 devicerc_deleted = FALSE;
200 }
201
202 gboolean
gimp_devices_clear(Gimp * gimp,GError ** error)203 gimp_devices_clear (Gimp *gimp,
204 GError **error)
205 {
206 GimpDeviceManager *manager;
207 GFile *file;
208 GError *my_error = NULL;
209 gboolean success = TRUE;
210
211 g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
212
213 manager = gimp_devices_get_manager (gimp);
214
215 g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), FALSE);
216
217 file = gimp_directory_file ("devicerc", NULL);
218
219 if (! g_file_delete (file, NULL, &my_error) &&
220 my_error->code != G_IO_ERROR_NOT_FOUND)
221 {
222 success = FALSE;
223
224 g_set_error (error, GIMP_ERROR, GIMP_FAILED,
225 _("Deleting \"%s\" failed: %s"),
226 gimp_file_get_utf8_name (file), my_error->message);
227 }
228 else
229 {
230 devicerc_deleted = TRUE;
231 }
232
233 g_clear_error (&my_error);
234 g_object_unref (file);
235
236 return success;
237 }
238
239 GimpDeviceManager *
gimp_devices_get_manager(Gimp * gimp)240 gimp_devices_get_manager (Gimp *gimp)
241 {
242 GimpDeviceManager *manager;
243
244 g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
245
246 manager = g_object_get_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY);
247
248 g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), NULL);
249
250 return manager;
251 }
252
253 void
gimp_devices_add_widget(Gimp * gimp,GtkWidget * widget)254 gimp_devices_add_widget (Gimp *gimp,
255 GtkWidget *widget)
256 {
257 g_return_if_fail (GIMP_IS_GIMP (gimp));
258 g_return_if_fail (GTK_IS_WIDGET (widget));
259
260 gtk_widget_set_extension_events (widget, GDK_EXTENSION_EVENTS_ALL);
261
262 g_signal_connect (widget, "motion-notify-event",
263 G_CALLBACK (gimp_devices_check_callback),
264 gimp);
265 }
266
267 gboolean
gimp_devices_check_callback(GtkWidget * widget,GdkEvent * event,Gimp * gimp)268 gimp_devices_check_callback (GtkWidget *widget,
269 GdkEvent *event,
270 Gimp *gimp)
271 {
272 g_return_val_if_fail (event != NULL, FALSE);
273 g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
274
275 if (! gimp->busy)
276 gimp_devices_check_change (gimp, event);
277
278 return FALSE;
279 }
280
281 gboolean
gimp_devices_check_change(Gimp * gimp,GdkEvent * event)282 gimp_devices_check_change (Gimp *gimp,
283 GdkEvent *event)
284 {
285 GimpDeviceManager *manager;
286 GdkDevice *device;
287 GimpDeviceInfo *device_info;
288 GtkWidget *source;
289
290 g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
291 g_return_val_if_fail (event != NULL, FALSE);
292
293 manager = gimp_devices_get_manager (gimp);
294
295 g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), FALSE);
296
297 /* It is possible that the event was propagated from a widget that does not
298 want extension events and therefore always sends core pointer events.
299 This can cause a false switch to the core pointer device. */
300
301 source = gtk_get_event_widget (event);
302
303 if (source &&
304 gtk_widget_get_extension_events (source) == GDK_EXTENSION_EVENTS_NONE)
305 return FALSE;
306
307 switch (event->type)
308 {
309 case GDK_MOTION_NOTIFY:
310 device = ((GdkEventMotion *) event)->device;
311 break;
312
313 case GDK_BUTTON_PRESS:
314 case GDK_2BUTTON_PRESS:
315 case GDK_3BUTTON_PRESS:
316 case GDK_BUTTON_RELEASE:
317 device = ((GdkEventButton *) event)->device;
318 break;
319
320 case GDK_PROXIMITY_IN:
321 case GDK_PROXIMITY_OUT:
322 device = ((GdkEventProximity *) event)->device;
323 break;
324
325 case GDK_SCROLL:
326 device = ((GdkEventScroll *) event)->device;
327 break;
328
329 default:
330 device = gimp_device_manager_get_current_device (manager)->device;
331 break;
332 }
333
334 device_info = gimp_device_info_get_by_device (device);
335
336 if (device_info != gimp_device_manager_get_current_device (manager))
337 {
338 gimp_device_manager_set_current_device (manager, device_info);
339 return TRUE;
340 }
341
342 return FALSE;
343 }
344