apply patch that allows accepting a file name typed in the multi file selector (submi...
[claws.git] / src / filesel.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
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 2 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, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #include <glib.h>
21 #include <gdk/gdkkeysyms.h>
22 #include <gtk/gtkwidget.h>
23 #include <gtk/gtkfilesel.h>
24 #include <gtk/gtkmain.h>
25 #include <gtk/gtksignal.h>
26 #include <gtk/gtkeditable.h>
27 #include <gtk/gtkentry.h>
28
29 #include "main.h"
30 #include "filesel.h"
31 #include "manage_window.h"
32 #include "gtkutils.h"
33 #include "utils.h"
34
35 static GtkWidget *filesel;
36 static gboolean filesel_ack;
37 static gchar *filesel_oldfilename;
38
39 static void filesel_create(const gchar *title, gboolean multiple_files);
40 static void filesel_ok_cb(GtkWidget *widget, gpointer data);
41 static void filesel_cancel_cb(GtkWidget *widget, gpointer data);
42 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data);
43 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data);
44
45 static void filesel_file_list_select_row_multi(GtkCList *clist, gint row, gint col,
46                                                GdkEventButton *event, gpointer userdata);
47 static void filesel_file_list_select_row_single(GtkCList *clist, gint row, gint col,
48                                                 GdkEventButton *event, gpointer userdata);
49
50 static void filesel_dir_list_select_row_multi(GtkCList *clist, gint row, gint col,
51                                               GdkEventButton *event, gpointer userdata);
52 static void filesel_dir_list_select_row_single(GtkCList *clist, gint row, gint col,
53                                                GdkEventButton *event, gpointer userdata);
54
55 static GList *filesel_get_multiple_filenames(void);
56
57 gchar *filesel_select_file(const gchar *title, const gchar *file)
58 {
59         static gchar *filename = NULL;
60         static gchar *cwd = NULL;
61
62         filesel_create(title, FALSE);
63
64         manage_window_set_transient(GTK_WINDOW(filesel));
65
66         if (filename) {
67                 g_free(filename);
68                 filename = NULL;
69         }
70
71         if (!cwd)
72                 cwd = g_strconcat(startup_dir, G_DIR_SEPARATOR_S, NULL);
73
74         gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel), cwd);
75
76         if (file) {
77                 gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel),
78                                                 file);
79                 filesel_oldfilename = g_strdup(file);
80         } else {
81                 filesel_oldfilename = NULL;
82         }
83
84         gtk_widget_show(filesel);
85
86         gtk_main();
87
88         if (filesel_ack) {
89                 gchar *str;
90
91                 str = gtk_file_selection_get_filename
92                         (GTK_FILE_SELECTION(filesel));
93                 if (str && str[0] != '\0') {
94                         gchar *dir;
95
96                         filename = g_strdup(str);
97                         dir = g_dirname(str);
98                         g_free(cwd);
99                         cwd = g_strconcat(dir, G_DIR_SEPARATOR_S, NULL);
100                         g_free(dir);
101                 }
102         }
103
104         g_free(filesel_oldfilename);
105
106         manage_window_focus_out(filesel, NULL, NULL);
107         gtk_widget_destroy(filesel);
108         GTK_EVENTS_FLUSH();
109
110         return filename;
111 }
112
113 GList *filesel_select_multiple_files(const gchar *title, const gchar *file)
114 {
115         /* ALF - sorry for the exuberant code duping... need to 
116          * be cleaned up. */
117         static gchar *filename = NULL;
118         static gchar *cwd = NULL;
119         GList        *list = NULL;
120
121         filesel_create(title, TRUE);
122
123         manage_window_set_transient(GTK_WINDOW(filesel));
124
125         if (filename) {
126                 g_free(filename);
127                 filename = NULL;
128         }
129
130         if (!cwd)
131                 cwd = g_strconcat(startup_dir, G_DIR_SEPARATOR_S, NULL);
132
133         gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel), cwd);
134
135         if (file)
136                 gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel),
137                                                 file);
138         gtk_widget_show(filesel);
139
140         gtk_main();
141
142         if (filesel_ack) {
143                 GtkWidget *entry;
144                 gchar *fname = NULL;
145
146                 list = filesel_get_multiple_filenames();
147
148                 if (!list) {
149                         entry = GTK_FILE_SELECTION(filesel)->selection_entry;
150                         fname = gtk_entry_get_text (GTK_ENTRY(entry));
151                         if (fname && fname[0] != '\0')
152                                 list = g_list_append (list, g_strdup(fname));
153                 }
154         }
155
156         manage_window_focus_out(filesel, NULL, NULL);
157         gtk_widget_destroy(filesel);
158         GTK_EVENTS_FLUSH();
159
160         return list;
161 }
162
163 static void filesel_create(const gchar *title, gboolean multiple_files)
164 {
165         filesel = gtk_file_selection_new(title);
166         gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button),
167                            "clicked", GTK_SIGNAL_FUNC(filesel_ok_cb),
168                            NULL);
169         gtk_signal_connect
170                 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button),
171                  "clicked", GTK_SIGNAL_FUNC(filesel_cancel_cb),
172                  NULL);
173         gtk_signal_connect(GTK_OBJECT(filesel), "delete_event",
174                            GTK_SIGNAL_FUNC(delete_event), NULL);
175         gtk_signal_connect(GTK_OBJECT(filesel), "key_press_event",
176                            GTK_SIGNAL_FUNC(key_pressed), NULL);
177         gtk_signal_connect(GTK_OBJECT(filesel), "focus_in_event",
178                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
179         gtk_signal_connect(GTK_OBJECT(filesel), "focus_out_event",
180                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
181
182         gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
183
184         if (multiple_files) {
185                 gtk_clist_set_selection_mode
186                         (GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list),
187                          GTK_SELECTION_MULTIPLE);
188                 gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
189                                    "select_row", 
190                                    GTK_SIGNAL_FUNC(filesel_file_list_select_row_multi),
191                                    NULL);
192                 gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
193                                    "unselect_row",
194                                    GTK_SIGNAL_FUNC(filesel_file_list_select_row_multi),
195                                    NULL);
196                 gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->dir_list),
197                                    "select_row",
198                                    GTK_SIGNAL_FUNC(filesel_dir_list_select_row_multi),
199                                    NULL);
200         } else {
201                 gtk_signal_connect_after(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->file_list),
202                                          "select_row", 
203                                          GTK_SIGNAL_FUNC(filesel_file_list_select_row_single),
204                                          NULL);
205                 gtk_signal_connect_after(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->dir_list),
206                                          "select_row",
207                                          GTK_SIGNAL_FUNC(filesel_dir_list_select_row_single),
208                                          NULL);
209         }
210 }
211
212 static void filesel_ok_cb(GtkWidget *widget, gpointer data)
213 {
214         filesel_ack = TRUE;
215         gtk_main_quit();
216 }
217
218 static void filesel_cancel_cb(GtkWidget *widget, gpointer data)
219 {
220         filesel_ack = FALSE;
221         gtk_main_quit();
222 }
223
224 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
225 {
226         filesel_cancel_cb(NULL, NULL);
227         g_free(filesel_oldfilename);
228         return TRUE;
229 }
230
231 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
232 {
233         if (event && event->keyval == GDK_Escape)
234                 filesel_cancel_cb(NULL, NULL);
235 }
236
237 /* handle both "select_row" and "unselect_row". note that we're using the
238  * entry box to put there the selected file names in. we're not using these
239  * entry box to get the selected file names. instead we use the clist selection.
240  * the entry box is used only to retrieve dir name. */
241 static void filesel_file_list_select_row_multi(GtkCList *clist, gint row, gint col,
242                                                GdkEventButton *event, gpointer userdata)
243 {
244         /* simple implementation in which we clear the file entry and refill it */
245         GList    *list  = clist->selection;
246         GtkEntry *entry = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
247
248         gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
249
250 #define INVALID_FILENAME_CHARS     " "
251         for (; list; list = list->next) {
252                 gint row = GPOINTER_TO_INT(list->data);
253                 gchar *text = NULL, *tmp;
254
255                 if (!gtk_clist_get_text(clist, row, 0, &text))
256                         break;
257
258                 /* NOTE: quick glance in source code of GtkCList
259                  * reveals we should not free the returned 'text' */
260                 
261                 tmp = g_strconcat(text, " ", NULL);
262                 text = tmp;
263                 gtk_entry_append_text(entry, text); 
264                 g_free(text);
265         }
266 #undef INVALID_FILENAME_CHARS
267 }
268
269 static void filesel_dir_list_select_row_multi(GtkCList *clist, gint row, gint col,
270                                               GdkEventButton *event, gpointer userdata)
271 {
272         GtkEntry *entry     = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
273         GtkCList *file_list = GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list);
274
275         /* if dir list is selected we clean everything */
276         gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
277         gtk_clist_unselect_all(file_list);
278 }
279
280 static void filesel_file_list_select_row_single(GtkCList *clist, gint row, gint col,
281                                          GdkEventButton *event, gpointer userdata)
282 {
283         gchar *text;
284
285         if(gtk_clist_get_text(clist, row, 0, &text)) {
286                 filesel_oldfilename = g_strdup(text);
287                 debug_print("%s\n", filesel_oldfilename);
288         } else {
289                 filesel_oldfilename = NULL;
290         }
291 }
292
293 static void filesel_dir_list_select_row_single(GtkCList *clist, gint row, gint col,
294                                         GdkEventButton *event, gpointer userdata)
295 {
296         gchar *buf;
297         GtkEntry *entry = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
298
299         buf = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
300         if(filesel_oldfilename && !(*buf)) {
301                 gtk_editable_delete_text(GTK_EDITABLE(entry), 0, -1);
302                 gtk_entry_append_text(entry, filesel_oldfilename);
303         }
304         g_free(buf);
305 }
306
307 static GList *filesel_get_multiple_filenames(void)
308 {
309         /* as noted before we are not using the entry text when selecting
310          * multiple files. to much hassle to parse out invalid chars (chars
311          * that need to be escaped). instead we use the file_list. the
312          * entry is only useful for extracting the current directory. */
313         GtkCList *file_list  = GTK_CLIST(GTK_FILE_SELECTION(filesel)->file_list);
314         GtkEntry *file_entry = GTK_ENTRY(GTK_FILE_SELECTION(filesel)->selection_entry);
315         GList    *list = NULL, *sel_list;
316         gchar    *cwd, *tmp;     
317         gboolean  separator;
318
319         g_return_val_if_fail(file_list->selection != NULL, NULL);
320
321         tmp = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
322         tmp = g_strdup(tmp);
323         cwd = g_dirname(tmp);
324         g_free(tmp);
325         g_return_val_if_fail(cwd != NULL, NULL);
326
327         /* only quick way to check the end of a multi byte string for our
328          * separator... */
329         g_strreverse(cwd);
330         separator = 0 == g_strncasecmp(cwd, G_DIR_SEPARATOR_S, strlen(G_DIR_SEPARATOR_S))
331                 ?  TRUE : FALSE;
332         g_strreverse(cwd);
333
334         /* fetch the selected file names */
335         for (sel_list = file_list->selection; sel_list; sel_list = sel_list->next) {
336                 gint   sel = GPOINTER_TO_INT(sel_list->data);
337                 gchar *sel_text = NULL;
338                 gchar *fname = NULL;
339                 
340                 gtk_clist_get_text(file_list, sel, 0, &sel_text);
341                 if (!sel_text) continue;
342                 sel_text = g_strdup(sel_text);
343
344                 if (separator)
345                         fname = g_strconcat(cwd, sel_text, NULL);
346                 else
347                         fname = g_strconcat(cwd, G_DIR_SEPARATOR_S, sel_text, NULL);
348                 
349                 list = g_list_append(list, fname);
350                 g_free(sel_text);
351         }
352         
353         return list;
354 }
355