1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis
3  * Copyright (C) 1997 Josh MacDonald
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
17  */
18 
19 #include "config.h"
20 
21 #include <string.h>
22 
23 #include <gegl.h>
24 #include <gtk/gtk.h>
25 
26 #include "libgimpbase/gimpbase.h"
27 #include "libgimpwidgets/gimpwidgets.h"
28 
29 #include "dialogs-types.h"
30 
31 #include "core/gimp.h"
32 #include "core/gimpcontext.h"
33 #include "core/gimpprogress.h"
34 
35 #include "file/file-open.h"
36 #include "file/file-utils.h"
37 
38 #include "widgets/gimpcontainerentry.h"
39 #include "widgets/gimphelp-ids.h"
40 #include "widgets/gimpprogressbox.h"
41 #include "widgets/gimpwidgets-utils.h"
42 
43 #include "file-open-location-dialog.h"
44 
45 #include "gimp-intl.h"
46 
47 
48 static void      file_open_location_response   (GtkDialog          *dialog,
49                                                 gint                response_id,
50                                                 Gimp               *gimp);
51 
52 static gboolean  file_open_location_completion (GtkEntryCompletion *completion,
53                                                 const gchar        *key,
54                                                 GtkTreeIter        *iter,
55                                                 gpointer            data);
56 
57 
58 /*  public functions  */
59 
60 GtkWidget *
file_open_location_dialog_new(Gimp * gimp)61 file_open_location_dialog_new (Gimp *gimp)
62 {
63   GimpContext        *context;
64   GtkWidget          *dialog;
65   GtkWidget          *hbox;
66   GtkWidget          *vbox;
67   GtkWidget          *image;
68   GtkWidget          *label;
69   GtkWidget          *entry;
70   GtkEntryCompletion *completion;
71 
72   g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
73 
74   dialog = gimp_dialog_new (_("Open Location"),
75                             "gimp-file-open-location",
76                             NULL, 0,
77                             gimp_standard_help_func,
78                             GIMP_HELP_FILE_OPEN_LOCATION,
79 
80                             _("_Cancel"), GTK_RESPONSE_CANCEL,
81                             _("_Open"),   GTK_RESPONSE_OK,
82 
83                             NULL);
84 
85   gtk_dialog_set_alternative_button_order (GTK_DIALOG(dialog),
86                                            GTK_RESPONSE_OK,
87                                            GTK_RESPONSE_CANCEL,
88                                            -1);
89 
90   g_signal_connect (dialog, "response",
91                     G_CALLBACK (file_open_location_response),
92                     gimp);
93 
94   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
95   gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
96   gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
97                       hbox, FALSE, FALSE, 0);
98   gtk_widget_show (hbox);
99 
100   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
101   gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
102   gtk_widget_show (vbox);
103 
104   image = gtk_image_new_from_icon_name (GIMP_ICON_WEB, GTK_ICON_SIZE_BUTTON);
105   gtk_box_pack_start (GTK_BOX (vbox), image, FALSE, FALSE, 0);
106   gtk_widget_show (image);
107 
108   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
109   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
110   gtk_widget_show (vbox);
111 
112   label = gtk_label_new (_("Enter location (URI):"));
113   gtk_label_set_xalign (GTK_LABEL (label), 0.0);
114   gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
115   gtk_widget_show (label);
116 
117   /* we don't want the context to affect the entry, so create
118    * a scratch one instead of using e.g. the user context
119    */
120   context = gimp_context_new (gimp, "file-open-location-dialog", NULL);
121   entry = gimp_container_entry_new (gimp->documents, context,
122                                     GIMP_VIEW_SIZE_SMALL, 0);
123   g_object_unref (context);
124 
125   completion = gtk_entry_get_completion (GTK_ENTRY (entry));
126   gtk_entry_completion_set_match_func (completion,
127                                        file_open_location_completion,
128                                        NULL, NULL);
129 
130   gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
131   gtk_widget_set_size_request (entry, 400, -1);
132   gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
133   gtk_widget_show (entry);
134 
135   g_object_set_data (G_OBJECT (dialog), "location-entry", entry);
136 
137   return dialog;
138 }
139 
140 
141 /*  private functions  */
142 
143 static void
file_open_location_response(GtkDialog * dialog,gint response_id,Gimp * gimp)144 file_open_location_response (GtkDialog *dialog,
145                              gint       response_id,
146                              Gimp      *gimp)
147 {
148   GtkWidget   *entry;
149   GtkWidget   *box;
150   const gchar *text = NULL;
151 
152   box = g_object_get_data (G_OBJECT (dialog), "progress-box");
153 
154   if (response_id != GTK_RESPONSE_OK)
155     {
156       if (box && GIMP_PROGRESS_BOX (box)->active)
157         gimp_progress_cancel (GIMP_PROGRESS (box));
158       else
159         gtk_widget_destroy (GTK_WIDGET (dialog));
160 
161       return;
162     }
163 
164   entry = g_object_get_data (G_OBJECT (dialog), "location-entry");
165   text = gtk_entry_get_text (GTK_ENTRY (entry));
166 
167   if (text && strlen (text))
168     {
169       GimpImage         *image;
170       gchar             *filename;
171       GFile             *file;
172       GimpPDBStatusType  status;
173       GError            *error = NULL;
174 
175       filename = g_filename_from_uri (text, NULL, NULL);
176 
177       if (filename)
178         {
179           file = g_file_new_for_uri (text);
180           g_free (filename);
181         }
182       else
183         {
184           file = file_utils_filename_to_file (gimp, text, &error);
185         }
186 
187       if (!box)
188         {
189           box = gimp_progress_box_new ();
190           gtk_container_set_border_width (GTK_CONTAINER (box), 12);
191           gtk_box_pack_end (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
192                             box, FALSE, FALSE, 0);
193 
194           g_object_set_data (G_OBJECT (dialog), "progress-box", box);
195         }
196 
197       if (file)
198         {
199           GFile *entered_file = g_file_new_for_uri (text);
200 
201           /* should not fail but does, see issue #3093 */
202           if (! entered_file)
203             entered_file = g_object_ref (file);
204 
205           gtk_widget_show (box);
206 
207           gtk_editable_set_editable (GTK_EDITABLE (entry), FALSE);
208           gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, FALSE);
209 
210           image = file_open_with_proc_and_display (gimp,
211                                                    gimp_get_user_context (gimp),
212                                                    GIMP_PROGRESS (box),
213                                                    file, entered_file,
214                                                    FALSE, NULL,
215                                                    G_OBJECT (gtk_widget_get_screen (entry)),
216                                                    gimp_widget_get_monitor (entry),
217                                                    &status, &error);
218 
219           gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, TRUE);
220           gtk_editable_set_editable (GTK_EDITABLE (entry), TRUE);
221 
222           g_object_unref (entered_file);
223 
224           if (image == NULL && status != GIMP_PDB_CANCEL)
225             {
226               gimp_message (gimp, G_OBJECT (box), GIMP_MESSAGE_ERROR,
227                             _("Opening '%s' failed:\n\n%s"),
228                             gimp_file_get_utf8_name (file), error->message);
229               g_clear_error (&error);
230             }
231 
232           g_object_unref (file);
233 
234           if (image != NULL)
235             {
236               gtk_widget_destroy (GTK_WIDGET (dialog));
237               return;
238             }
239         }
240       else
241         {
242           gimp_message (gimp, G_OBJECT (box), GIMP_MESSAGE_ERROR,
243                         _("Opening '%s' failed:\n\n%s"),
244                         text,
245                         /* error should never be NULL, also issue #3093 */
246                         error ? error->message : _("Invalid URI"));
247           g_clear_error (&error);
248         }
249     }
250 }
251 
252 static gboolean
file_open_location_completion(GtkEntryCompletion * completion,const gchar * key,GtkTreeIter * iter,gpointer data)253 file_open_location_completion (GtkEntryCompletion *completion,
254                                const gchar        *key,
255                                GtkTreeIter        *iter,
256                                gpointer            data)
257 {
258   GtkTreeModel *model = gtk_entry_completion_get_model (completion);
259   gchar        *name;
260   gchar        *normalized;
261   gchar        *case_normalized;
262   gboolean      match;
263 
264   gtk_tree_model_get (model, iter,
265                       1, &name,
266                       -1);
267 
268   if (! name)
269     return FALSE;
270 
271   normalized = g_utf8_normalize (name, -1, G_NORMALIZE_ALL);
272   case_normalized = g_utf8_casefold (normalized, -1);
273 
274   match = (strncmp (key, case_normalized, strlen (key)) == 0);
275 
276   if (! match)
277     {
278       const gchar *colon = strchr (case_normalized, ':');
279 
280       if (colon && strlen (colon) > 2 && colon[1] == '/' && colon[2] == '/')
281         match = (strncmp (key, colon + 3, strlen (key)) == 0);
282     }
283 
284   g_free (normalized);
285   g_free (case_normalized);
286   g_free (name);
287 
288   return match;
289 }
290