1 /*
2  * This is a plug-in for GIMP.
3  *
4  * Generates clickable image maps.
5  *
6  * Copyright (C) 1998-2004 Maurits Rijk  m.rijk@chello.nl
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
20  *
21  */
22 
23 #include "config.h"
24 
25 #include "libgimp/gimp.h"
26 #include "libgimp/gimpui.h"
27 
28 #include "imap_browse.h"
29 
30 #include "libgimp/stdplugins-intl.h"
31 
32 
33 static const GtkTargetEntry target_table[] =
34 {
35   {"STRING",     0, 1 },
36   {"text/plain", 0, 2 }
37 };
38 
39 
40 static void
select_cb(GtkWidget * dialog,gint response_id,BrowseWidget_t * browse)41 select_cb (GtkWidget      *dialog,
42            gint            response_id,
43            BrowseWidget_t *browse)
44 {
45   if (response_id == GTK_RESPONSE_OK)
46     {
47       gchar *p;
48       gchar *file;
49 
50       file = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
51 
52       p = (browse->filter ?
53            browse->filter (file, browse->filter_data) : file);
54 
55       gtk_entry_set_text (GTK_ENTRY (browse->file), p);
56 
57       if (browse->filter)
58         g_free (p);
59 
60       g_free (file);
61     }
62 
63   gtk_widget_hide (dialog);
64   gtk_widget_grab_focus (browse->file);
65 }
66 
67 static void
browse_cb(GtkWidget * widget,BrowseWidget_t * browse)68 browse_cb (GtkWidget      *widget,
69            BrowseWidget_t *browse)
70 {
71   if (!browse->file_chooser)
72     {
73       GtkWidget *dialog;
74 
75       dialog = browse->file_chooser =
76         gtk_file_chooser_dialog_new (browse->name,
77                                      GTK_WINDOW (gtk_widget_get_toplevel (widget)),
78                                      GTK_FILE_CHOOSER_ACTION_OPEN,
79 
80                                      _("_Cancel"), GTK_RESPONSE_CANCEL,
81                                      _("_Open"),   GTK_RESPONSE_OK,
82 
83                                      NULL);
84 
85       gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
86       gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
87                                                GTK_RESPONSE_OK,
88                                                GTK_RESPONSE_CANCEL,
89                                                -1);
90 
91       g_signal_connect (dialog, "destroy",
92                         G_CALLBACK (gtk_widget_destroyed),
93                         &dialog);
94       g_signal_connect (dialog, "response",
95                         G_CALLBACK (select_cb),
96                         browse);
97     }
98 
99   gtk_window_present (GTK_WINDOW (browse->file_chooser));
100 }
101 
102 static void
handle_drop(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * data,guint info,guint time)103 handle_drop(GtkWidget *widget, GdkDragContext *context, gint x, gint y,
104             GtkSelectionData *data, guint info, guint time)
105 {
106    gboolean success = FALSE;
107 
108    if (gtk_selection_data_get_length (data) >= 0 &&
109        gtk_selection_data_get_format (data) == 8)
110      {
111        const gchar *text = (const gchar *) gtk_selection_data_get_data (data);
112 
113        if (g_utf8_validate (text, -1, NULL))
114          {
115            gtk_entry_set_text (GTK_ENTRY (widget), text);
116            success = TRUE;
117          }
118      }
119 
120    gtk_drag_finish(context, success, FALSE, time);
121 }
122 
123 BrowseWidget_t*
browse_widget_new(const gchar * name)124 browse_widget_new (const gchar *name)
125 {
126    BrowseWidget_t *browse = g_new(BrowseWidget_t, 1);
127    GtkWidget *button;
128    GtkWidget *icon;
129 
130    browse->file_chooser = NULL;
131    browse->name = name;
132    browse->filter = NULL;
133 
134    browse->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 1);
135    gtk_widget_show (browse->hbox);
136 
137    browse->file = gtk_entry_new ();
138    gtk_box_pack_start (GTK_BOX(browse->hbox), browse->file, TRUE, TRUE, 0);
139    gtk_drag_dest_set (browse->file, GTK_DEST_DEFAULT_ALL, target_table,
140                       2, GDK_ACTION_COPY);
141    g_signal_connect (browse->file, "drag-data-received",
142                      G_CALLBACK(handle_drop), NULL);
143 
144    gtk_widget_show (browse->file);
145 
146    browse->button = button = gtk_button_new ();
147    icon = gtk_image_new_from_icon_name (GIMP_ICON_DOCUMENT_OPEN,
148                                         GTK_ICON_SIZE_BUTTON);
149    gtk_container_add (GTK_CONTAINER (button), icon);
150    gtk_widget_show (icon);
151 
152    gtk_box_pack_end(GTK_BOX (browse->hbox), button, FALSE, FALSE, 0);
153    g_signal_connect (button, "clicked",
154                      G_CALLBACK(browse_cb), (gpointer) browse);
155    gtk_widget_show (button);
156 
157    return browse;
158 }
159 
160 void
browse_widget_set_filename(BrowseWidget_t * browse,const gchar * filename)161 browse_widget_set_filename(BrowseWidget_t *browse, const gchar *filename)
162 {
163    gtk_entry_set_text (GTK_ENTRY (browse->file), filename);
164 }
165 
166 void
browse_widget_set_filter(BrowseWidget_t * browse,BrowseFilter_t filter,gpointer data)167 browse_widget_set_filter(BrowseWidget_t *browse, BrowseFilter_t filter,
168                          gpointer data)
169 {
170    browse->filter = filter;
171    browse->filter_data = data;
172 }
173