Shared folders support with a GUI.
[claws.git] / src / foldersel.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 "defs.h"
21
22 #include <glib.h>
23 #include <gdk/gdkkeysyms.h>
24 #include <gtk/gtkmain.h>
25 #include <gtk/gtkwidget.h>
26 #include <gtk/gtkctree.h>
27 #include <gtk/gtkwindow.h>
28 #include <gtk/gtkvbox.h>
29 #include <gtk/gtkscrolledwindow.h>
30 #include <gtk/gtkentry.h>
31 #include <gtk/gtkhbbox.h>
32 #include <gtk/gtksignal.h>
33 #include <stdio.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <sys/stat.h>
37 #include <sys/types.h>
38 #include <fcntl.h>
39 #include <errno.h>
40
41 #include "intl.h"
42 #include "main.h"
43 #include "utils.h"
44 #include "gtkutils.h"
45 #include "foldersel.h"
46 #include "alertpanel.h"
47 #include "manage_window.h"
48 #include "folder.h"
49
50 #include "pixmaps/dir-close.xpm"
51 #include "pixmaps/dir-open.xpm"
52
53 static GdkPixmap *folderxpm;
54 static GdkBitmap *folderxpmmask;
55 static GdkPixmap *folderopenxpm;
56 static GdkBitmap *folderopenxpmmask;
57
58 static GtkWidget *window;
59 static GtkWidget *ctree;
60 static GtkWidget *entry;
61 static GtkWidget *ok_button;
62 static GtkWidget *cancel_button;
63
64 static FolderItem *folder_item;
65
66 static gboolean cancelled;
67
68 static void foldersel_create(void);
69 static void foldersel_init(void);
70 static void foldersel_set_tree(Folder *cur_folder);
71 static void foldersel_selected(GtkCList *clist, gint row, gint column,
72                                GdkEvent *event, gpointer data);
73
74 static void foldersel_ok(GtkButton *button, gpointer data);
75 static void foldersel_cancel(GtkButton *button, gpointer data);
76 static void foldersel_activated(void);
77 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data);
78 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data);
79
80 FolderItem *foldersel_folder_sel(Folder *cur_folder,
81                                  const gchar *default_folder)
82 {
83         GtkCTreeNode *node;
84
85         if (!window) {
86                 foldersel_create();
87                 foldersel_init();
88         } else
89                 gtk_widget_show(window);
90         manage_window_set_transient(GTK_WINDOW(window));
91
92         foldersel_set_tree(cur_folder);
93
94         if (folder_item) {
95                 node = gtk_ctree_find_by_row_data
96                         (GTK_CTREE(ctree), NULL, folder_item);
97                 if (node) {
98                         gint row;
99
100                         row = gtkut_ctree_get_nth_from_node
101                                 (GTK_CTREE(ctree), node);
102                         gtk_clist_select_row(GTK_CLIST(ctree), row, -1);
103                         gtkut_clist_set_focus_row(GTK_CLIST(ctree), row);
104                         gtk_ctree_node_moveto(GTK_CTREE(ctree), node, -1,
105                                               0.5, 0);
106                 }
107         }
108         gtk_widget_grab_focus(ok_button);
109         gtk_widget_grab_focus(ctree);
110
111         cancelled = FALSE;
112
113         gtk_main();
114
115         gtk_widget_hide(window);
116         gtk_entry_set_text(GTK_ENTRY(entry), "");
117         gtk_clist_clear(GTK_CLIST(ctree));
118
119         if (!cancelled && folder_item && folder_item->path)
120                 return folder_item;
121         else
122                 return NULL;
123 }
124
125 static void foldersel_create(void)
126 {
127         GtkWidget *vbox;
128         GtkWidget *scrolledwin;
129         GtkWidget *confirm_area;
130
131         window = gtk_window_new(GTK_WINDOW_DIALOG);
132         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
133         gtk_widget_set_usize(window, 300, 400);
134         gtk_container_set_border_width(GTK_CONTAINER(window), BORDER_WIDTH);
135         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
136         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
137         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, TRUE);
138         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
139                            GTK_SIGNAL_FUNC(delete_event), NULL);
140         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
141                            GTK_SIGNAL_FUNC(key_pressed), NULL);
142         gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
143                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
144         gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
145                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
146
147         vbox = gtk_vbox_new(FALSE, 4);
148         gtk_container_add(GTK_CONTAINER(window), vbox);
149
150         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
151         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
152                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
153         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
154
155         ctree = gtk_ctree_new(1, 0);
156         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
157                                             GTK_CLIST(ctree)->vadjustment);
158         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
159         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
160         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
161         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
162                                      GTK_CTREE_EXPANDER_SQUARE);
163         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
164         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[0].button,
165                                GTK_CAN_FOCUS);
166         /*                             
167         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
168                            GTK_SIGNAL_FUNC(foldersel_selected), NULL);
169         gtk_signal_connect(GTK_OBJECT(ctree), "select_row",
170                            GTK_SIGNAL_FUNC(foldersel_selected), NULL);
171         */
172
173         entry = gtk_entry_new();
174         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
175         gtk_signal_connect(GTK_OBJECT(entry), "activate",
176                            GTK_SIGNAL_FUNC(foldersel_activated), NULL);
177
178         gtkut_button_set_create(&confirm_area,
179                                 &ok_button,     _("OK"),
180                                 &cancel_button, _("Cancel"),
181                                 NULL, NULL);
182
183         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
184         gtk_widget_grab_default(ok_button);
185
186         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
187                            GTK_SIGNAL_FUNC(foldersel_ok), NULL);
188         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
189                            GTK_SIGNAL_FUNC(foldersel_cancel), NULL);
190
191         gtk_widget_show_all(window);
192 }
193
194 static void foldersel_init(void)
195 {
196         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
197         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
198                       DIRECTORY_OPEN_XPM);
199 }
200
201 static gboolean foldersel_gnode_func(GtkCTree *ctree, guint depth,
202                                      GNode *gnode, GtkCTreeNode *cnode,
203                                      gpointer data)
204 {
205         FolderItem *item = FOLDER_ITEM(gnode->data);
206
207         gtk_ctree_node_set_row_data(ctree, cnode, item);
208         gtk_ctree_set_node_info(ctree, cnode, item->name,
209                                 FOLDER_SPACING,
210                                 folderxpm, folderxpmmask,
211                                 folderopenxpm, folderopenxpmmask,
212                                 FALSE, FALSE);
213
214         return TRUE;
215 }
216
217 static void foldersel_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
218                                   gpointer data)
219 {
220         if (GTK_CTREE_ROW(node)->children)
221                 gtk_ctree_expand(ctree, node);
222 }
223
224 static void foldersel_set_tree(Folder *cur_folder)
225 {
226         Folder *folder;
227         GtkCTreeNode *node;
228         GList *list;
229
230         list = folder_get_list();
231
232         gtk_clist_freeze(GTK_CLIST(ctree));
233
234         for (; list != NULL; list = list->next) {
235                 folder = FOLDER(list->data);
236                 g_return_if_fail(folder != NULL);
237
238                 if (folder->type == F_NEWS) continue;
239                 if (cur_folder) {
240                         if (cur_folder->type != folder->type) continue;
241                         if (cur_folder->type == F_IMAP) {
242                                 if (cur_folder->account != folder->account)
243                                         continue;
244                         }
245                 }
246
247                 node = gtk_ctree_insert_gnode(GTK_CTREE(ctree), NULL, NULL,
248                                               folder->node,
249                                               foldersel_gnode_func,
250                                               NULL);
251                 gtk_ctree_sort_recursive(GTK_CTREE(ctree), node);
252                 gtk_ctree_pre_recursive(GTK_CTREE(ctree), node,
253                                         foldersel_expand_func,
254                                         NULL);
255         }
256
257         gtk_clist_thaw(GTK_CLIST(ctree));
258 }
259
260 static void foldersel_selected(GtkCList *clist, gint row, gint column,
261                                GdkEvent *event, gpointer data)
262 {
263         FolderItem *item;
264         GdkEventButton *ev = (GdkEventButton *)event;
265
266         item = gtk_clist_get_row_data(clist, row);
267         if (item) gtk_entry_set_text(GTK_ENTRY(entry),
268                                      item->path ? item->path : "");
269
270         if (ev && GDK_2BUTTON_PRESS == ev->type)
271                 gtk_button_clicked(GTK_BUTTON(ok_button));
272 }
273
274 static void foldersel_ok(GtkButton *button, gpointer data)
275 {
276         GList *list;
277
278         list = GTK_CLIST(ctree)->selection;
279         if (list)
280                 folder_item = gtk_ctree_node_get_row_data
281                         (GTK_CTREE(ctree), GTK_CTREE_NODE(list->data));
282
283         gtk_main_quit();
284 }
285
286 static void foldersel_cancel(GtkButton *button, gpointer data)
287 {
288         cancelled = TRUE;
289         gtk_main_quit();
290 }
291
292 static void foldersel_activated(void)
293 {
294         gtk_button_clicked(GTK_BUTTON(ok_button));
295 }
296
297 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
298 {
299         foldersel_cancel(NULL, NULL);
300         return TRUE;
301 }
302
303 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
304 {
305         if (event && event->keyval == GDK_Escape)
306                 foldersel_cancel(NULL, NULL);
307 }