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foldersel.c (21660B)


      1 /*
      2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
      3  * Copyright (C) 1999-2024 the Claws Mail team and 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 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 <http://www.gnu.org/licenses/>.
     17  */
     18 
     19 #include "defs.h"
     20 
     21 #include <glib.h>
     22 #include <glib/gi18n.h>
     23 #include <gdk/gdkkeysyms.h>
     24 #include <gtk/gtk.h>
     25 #include <stdio.h>
     26 #include <unistd.h>
     27 #include <string.h>
     28 #include <sys/stat.h>
     29 #include <sys/types.h>
     30 #include <fcntl.h>
     31 #include <errno.h>
     32 
     33 #include "main.h"
     34 #include "utils.h"
     35 #include "gtkutils.h"
     36 #include "stock_pixmap.h"
     37 #include "foldersel.h"
     38 #include "alertpanel.h"
     39 #include "manage_window.h"
     40 #include "folderview.h"
     41 #include "inputdialog.h"
     42 #include "folder.h"
     43 #include "prefs_common.h"
     44 #include "folder_item_prefs.h"
     45 
     46 enum {
     47 	FOLDERSEL_FOLDERNAME,
     48 	FOLDERSEL_FOLDERITEM,
     49 	FOLDERSEL_PIXBUF,
     50 	FOLDERSEL_PIXBUF_OPEN,
     51 	FOLDERSEL_FOREGROUND,
     52 	FOLDERSEL_BOLD,
     53 	N_FOLDERSEL_COLUMNS
     54 };
     55 
     56 typedef struct _FolderItemSearch	FolderItemSearch;
     57 
     58 struct _FolderItemSearch
     59 {
     60 	FolderItem *item;
     61 	GtkTreePath *path;
     62 	GtkTreeIter iter;
     63 };
     64 
     65 static GdkPixbuf *folder_pixbuf = NULL;
     66 static GdkPixbuf *folderopen_pixbuf = NULL;
     67 static GdkPixbuf *foldernoselect_pixbuf = NULL;
     68 static GdkPixbuf *foldernoselectopen_pixbuf = NULL;
     69 
     70 static GtkWidget *window;
     71 static GtkWidget *treeview;
     72 static GtkWidget *statusbar;
     73 static gint statusbar_cid;
     74 static GtkWidget *ok_button;
     75 static GtkWidget *cancel_button;
     76 static GtkWidget *new_button;
     77 static gboolean   root_selectable;
     78 
     79 static FolderItem *folder_item;
     80 static FolderItem *selected_item;
     81 
     82 static GtkTreeStore *tree_store;
     83 
     84 static gboolean cancelled;
     85 static gboolean finished;
     86 
     87 static void foldersel_create		(const gchar *title,
     88 					 FolderSelectionType type);
     89 static void foldersel_init		(void);
     90 
     91 static void foldersel_append_item	(GtkTreeStore	*store,
     92 					 FolderItem	*item,
     93 					 GtkTreeIter	*iter,
     94 					 GtkTreeIter	*parent);
     95 
     96 static void foldersel_set_tree		(Folder			*cur_folder,
     97 					 FolderSelectionType	 type);
     98 
     99 static gboolean foldersel_selected	(GtkTreeSelection *selection,
    100 					 GtkTreeModel	  *model,
    101 					 GtkTreePath	  *path,
    102 					 gboolean	   currently_selected,
    103 					 gpointer	   data);
    104 
    105 static void foldersel_ok		(GtkButton	*button,
    106 					 gpointer	 data);
    107 static void foldersel_cancel		(GtkButton	*button,
    108 					 gpointer	 data);
    109 static void foldersel_new_folder	(GtkButton	*button,
    110 					 gpointer	 data);
    111 
    112 static void foldersel_tree_activated	(GtkTreeView		*treeview,
    113 					 GtkTreePath		*path,
    114 					 GtkTreeViewColumn	*column,
    115 					 gpointer		 data);
    116 
    117 static gint delete_event		(GtkWidget	*widget,
    118 					 GdkEventAny	*event,
    119 					 gpointer	 data);
    120 static gboolean key_pressed		(GtkWidget	*widget,
    121 					 GdkEventKey	*event,
    122 					 gpointer	 data);
    123 
    124 static gint foldersel_folder_name_compare	(GtkTreeModel	*model,
    125 						 GtkTreeIter	*a,
    126 						 GtkTreeIter	*b,
    127 						 gpointer	 context);
    128 
    129 static gboolean tree_view_folder_item_func	(GtkTreeModel	  *model,
    130 						 GtkTreePath	  *path,
    131 						 GtkTreeIter	  *iter,
    132 						 FolderItemSearch *data);
    133 
    134 FolderItem *foldersel_folder_sel(Folder *cur_folder, FolderSelectionType type,
    135 				 const gchar *default_folder, gboolean can_sel_mailbox,
    136 				 const gchar *title)
    137 {
    138 	selected_item = NULL;
    139 	root_selectable = can_sel_mailbox;
    140 
    141 	if (!window) {
    142 		foldersel_create(title, type);
    143 		foldersel_init();
    144 	}
    145 
    146 	foldersel_set_tree(cur_folder, type);
    147 
    148 	/* select current */
    149 	if (folder_item) {
    150 		FolderItemSearch fis;
    151 
    152 		fis.item = folder_item;
    153 		fis.path = NULL;
    154 
    155 		/* find matching model entry */
    156 		gtk_tree_model_foreach
    157 			(GTK_TREE_MODEL(tree_store),
    158 			 (GtkTreeModelForeachFunc)tree_view_folder_item_func,
    159 			 &fis);
    160 
    161 		if (fis.path) {
    162 			GtkTreeSelection *selection;
    163 
    164 			selection = gtk_tree_view_get_selection
    165 				(GTK_TREE_VIEW(treeview));
    166 			gtk_tree_selection_select_iter(selection, &fis.iter);
    167 			gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
    168 						 fis.path, NULL, FALSE);
    169 			gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
    170 						     fis.path,
    171 						     NULL, TRUE, 0.5, 0.0);
    172 			gtk_tree_path_free(fis.path);
    173 		} else
    174 			gtk_tree_view_scroll_to_point
    175 				(GTK_TREE_VIEW(treeview), 0, 0);
    176 	} else
    177 		gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
    178 
    179 	gtk_widget_grab_focus(ok_button);
    180 	gtk_widget_grab_focus(treeview);
    181 
    182 	gtk_window_present(GTK_WINDOW(window));
    183 	manage_window_set_transient(GTK_WINDOW(window));
    184 	gtk_window_set_modal(GTK_WINDOW(window), TRUE);
    185 
    186 	cancelled = finished = FALSE;
    187 
    188 	while (finished == FALSE)
    189 		gtk_main_iteration();
    190 
    191 	gtk_widget_destroy(window);
    192 	window = NULL;
    193 
    194 	if (!cancelled &&
    195 	    selected_item && (selected_item->path || root_selectable)) {
    196 		folder_item = selected_item;
    197 		return folder_item;
    198 	} else
    199 		return NULL;
    200 }
    201 
    202 static gboolean foldersel_search_name_func(GtkTreeModel *model, gint column,
    203 		const gchar *key, GtkTreeIter *iter, gpointer search_data)
    204 {
    205 	gchar *store_string = NULL;
    206 	FolderItem *item;
    207 	gboolean retval;
    208 
    209 	if (column == FOLDERSEL_FOLDERNAME) {
    210 		/* get the name of the FolderItem, not the displayed string */
    211 		gtk_tree_model_get(model, iter,
    212 			   FOLDERSEL_FOLDERITEM, &item, -1);
    213 		store_string = folder_item_get_name(item);
    214 	} else {
    215 		gtk_tree_model_get(model, iter, column, &store_string, -1);
    216 	}
    217 
    218 	if (!store_string)
    219 		return FALSE;
    220 
    221 	if (!key)
    222 		retval = FALSE;
    223 	else
    224 		retval = (strcasestr(store_string, key) == NULL);
    225 
    226 	g_free(store_string);
    227 
    228 	return retval;
    229 }
    230 
    231 static void foldersel_size_allocate_cb(GtkWidget *widget,
    232 					 GtkAllocation *allocation)
    233 {
    234 	cm_return_if_fail(allocation != NULL);
    235 
    236 	gtk_window_get_size(GTK_WINDOW(widget),
    237 		&prefs_common.folderselwin_width, &prefs_common.folderselwin_height);
    238 }
    239 
    240 static void foldersel_create(const gchar *title, FolderSelectionType type)
    241 {
    242 	GtkWidget *vbox;
    243 	GtkWidget *scrolledwin;
    244 	GtkWidget *confirm_area;
    245 	GtkWidget *label;
    246 	GtkTreeViewColumn *column;
    247 	GtkCellRenderer *renderer;
    248 	GtkTreeSelection *selection;
    249 	static GdkGeometry geometry;
    250 
    251 	window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
    252 	gtk_window_set_title(GTK_WINDOW(window),_("Select folder"));
    253 	gtk_container_set_border_width(GTK_CONTAINER(window), 4);
    254 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    255 	gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
    256 	gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
    257 
    258 	gtk_widget_realize(window);
    259 	g_signal_connect(G_OBJECT(window), "delete_event",
    260 			 G_CALLBACK(delete_event), NULL);
    261 	g_signal_connect(G_OBJECT(window), "key_press_event",
    262 			 G_CALLBACK(key_pressed), NULL);
    263 	g_signal_connect(G_OBJECT(window), "size_allocate",
    264 			 G_CALLBACK(foldersel_size_allocate_cb), NULL);
    265 	MANAGE_WINDOW_SIGNALS_CONNECT(window);
    266 
    267 	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
    268 	gtk_container_add(GTK_CONTAINER(window), vbox);
    269 
    270 	if (title != NULL) {
    271 		label = gtk_label_new(title);
    272 		gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
    273 		gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
    274 	}
    275 
    276 	scrolledwin = gtk_scrolled_window_new(NULL, NULL);
    277 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
    278 				       GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
    279 	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
    280 					    GTK_SHADOW_IN);
    281 	gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
    282 
    283 	tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
    284 					G_TYPE_STRING,
    285 					G_TYPE_POINTER,
    286 					GDK_TYPE_PIXBUF,
    287 					GDK_TYPE_PIXBUF,
    288 					GDK_TYPE_RGBA,
    289 					G_TYPE_INT);
    290 	gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
    291 					FOLDERSEL_FOLDERNAME,
    292 					foldersel_folder_name_compare,
    293 					NULL, NULL);
    294 
    295 	treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
    296 	g_object_unref(G_OBJECT(tree_store));
    297 	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
    298 	gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview), FALSE);
    299 	gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
    300 					FOLDERSEL_FOLDERNAME);
    301 	if (prefs_common.folder_search_wildcard)
    302  		gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(treeview),
    303  				foldersel_search_name_func, NULL, NULL);
    304 
    305 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
    306 	gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
    307 	gtk_tree_selection_set_select_function(selection, foldersel_selected,
    308 					       NULL, NULL);
    309 
    310 	g_signal_connect(G_OBJECT(treeview), "row-activated",
    311 			 G_CALLBACK(foldersel_tree_activated), NULL);
    312 	gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
    313 
    314 	column = gtk_tree_view_column_new();
    315 	gtk_tree_view_column_set_spacing(column, 2);
    316 	renderer = gtk_cell_renderer_pixbuf_new();
    317 	gtk_tree_view_column_pack_start(column, renderer, FALSE);
    318 	gtk_tree_view_column_set_attributes
    319 		(column, renderer,
    320 		 "pixbuf", FOLDERSEL_PIXBUF,
    321 		 "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
    322 		 "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
    323 		 NULL);
    324 
    325 	/* create text renderer */
    326 	renderer = gtk_cell_renderer_text_new();
    327 	gtk_cell_renderer_set_padding(renderer, 0, 0);
    328 	gtk_tree_view_column_pack_start(column, renderer, TRUE);
    329 	gtk_tree_view_column_set_attributes
    330 		(column, renderer,
    331 		 "text", FOLDERSEL_FOLDERNAME,
    332 		 "foreground-rgba", FOLDERSEL_FOREGROUND,
    333 		 "weight", FOLDERSEL_BOLD,
    334 		 NULL);
    335 	g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
    336 	gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
    337 
    338 	gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
    339 
    340 	statusbar = gtk_statusbar_new();
    341 	statusbar_cid = gtk_statusbar_get_context_id(
    342 		        GTK_STATUSBAR(statusbar), "Select Folder Dialog" );
    343 	gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
    344 
    345 	gtkut_stock_button_set_create(&confirm_area,
    346 				      &new_button,    NULL, _("_New"),
    347 				      &cancel_button, NULL, (type == FOLDER_SEL_SAVE?
    348 							    _("Don't save") : _("_Cancel")),
    349 				      &ok_button,     NULL, _("_OK"));
    350 
    351 	gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
    352 	gtk_widget_grab_default(ok_button);
    353 
    354 	g_signal_connect(G_OBJECT(ok_button), "clicked",
    355 			 G_CALLBACK(foldersel_ok), NULL);
    356 	g_signal_connect(G_OBJECT(cancel_button), "clicked",
    357 			 G_CALLBACK(foldersel_cancel), NULL);
    358 	g_signal_connect(G_OBJECT(new_button), "clicked",
    359 			 G_CALLBACK(foldersel_new_folder), NULL);
    360 
    361 	if (!geometry.min_height) {
    362 		geometry.min_width = 300;
    363 		geometry.min_height = 360;
    364 	}
    365 
    366 	gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
    367 				      GDK_HINT_MIN_SIZE);
    368 	gtk_window_set_default_size(GTK_WINDOW(window),
    369 				    prefs_common.folderselwin_width,
    370 				    prefs_common.folderselwin_height);
    371 
    372 	gtk_widget_show_all(vbox);
    373 }
    374 
    375 static void foldersel_init(void)
    376 {
    377 	stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folder_pixbuf);
    378 	stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopen_pixbuf);
    379 	stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselect_pixbuf);
    380 	stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopen_pixbuf);
    381 }
    382 
    383 void foldersel_reflect_prefs_pixmap_theme(void)
    384 {
    385 	if (folder_pixbuf)
    386 		g_object_unref(folder_pixbuf);
    387 	if (folderopen_pixbuf)
    388 		g_object_unref(folderopen_pixbuf);
    389 	if (foldernoselect_pixbuf)
    390 		g_object_unref(foldernoselect_pixbuf);
    391 	if (foldernoselectopen_pixbuf)
    392 		g_object_unref(foldernoselectopen_pixbuf);
    393 	foldersel_init();
    394 }
    395 
    396 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
    397 				  GtkTreeIter *iter, GtkTreeIter *parent)
    398 {
    399 	gchar *name, *tmpname;
    400 	GdkPixbuf *pixbuf, *pixbuf_open;
    401 	gboolean use_color;
    402 	PangoWeight weight = PANGO_WEIGHT_NORMAL;
    403 	GdkRGBA *foreground = NULL;
    404 	GdkRGBA color_noselect = {COLOR_DIM, COLOR_DIM, COLOR_DIM, 1.0};
    405 
    406 	name = folder_item_get_name(item);
    407 
    408 	if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
    409 		tmpname = g_strdup_printf("%s (%d)", name, item->total_msgs);
    410 	} else if (item->unread_msgs > 0) {
    411 		tmpname = g_strdup_printf("%s (%d)", name, item->unread_msgs);
    412 	} else
    413 		tmpname = g_strdup(name);
    414 
    415 	g_free(name);
    416 	name = tmpname;
    417 
    418 	pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
    419 	pixbuf_open =
    420 		item->no_select ? foldernoselectopen_pixbuf : folderopen_pixbuf;
    421 
    422 	if (folder_has_parent_of_type(item, F_DRAFT) ||
    423 	    folder_has_parent_of_type(item, F_OUTBOX) ||
    424 	    folder_has_parent_of_type(item, F_TRASH)) {
    425 		use_color = FALSE;
    426 	} else if (folder_has_parent_of_type(item, F_QUEUE)) {
    427 		use_color = (item->total_msgs > 0);
    428 		if (item->total_msgs > 0)
    429 			weight = PANGO_WEIGHT_BOLD;
    430 	} else {
    431 		if (item->unread_msgs > 0)
    432 			weight = PANGO_WEIGHT_BOLD;
    433 		use_color = (item->new_msgs > 0);
    434 	}
    435 
    436 	if (item->no_select)
    437 		foreground = &color_noselect;
    438 	else if (use_color)
    439 		foreground = &prefs_common.color[COL_NEW];
    440 
    441 	/* insert this node */
    442 	gtk_tree_store_append(store, iter, parent);
    443 	gtk_tree_store_set(store, iter,
    444 			   FOLDERSEL_FOLDERNAME, name,
    445 			   FOLDERSEL_FOLDERITEM, item,
    446 			   FOLDERSEL_PIXBUF, pixbuf,
    447 			   FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
    448 			   FOLDERSEL_FOREGROUND, foreground,
    449 			   FOLDERSEL_BOLD, weight,
    450 			   -1);
    451 
    452         g_free(name);
    453 }
    454 
    455 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
    456 					    GtkTreeIter *parent)
    457 {
    458 	FolderItem *item;
    459 	GtkTreeIter child;
    460 	GNode *iter;
    461 
    462 	cm_return_if_fail(node != NULL);
    463 	cm_return_if_fail(node->data != NULL);
    464 	cm_return_if_fail(store != NULL);
    465 
    466 	item = FOLDER_ITEM(node->data);
    467 	foldersel_append_item(store, item, &child, parent);
    468 
    469 	/* insert its children (this node as parent) */
    470 	for (iter = node->children; iter != NULL; iter = iter->next)
    471 		foldersel_insert_gnode_in_store(store, iter, &child);
    472 }
    473 
    474 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
    475 {
    476 	Folder *folder;
    477 	GList *list;
    478 
    479 	for (list = folder_get_list(); list != NULL; list = list->next) {
    480 		folder = FOLDER(list->data);
    481 		cm_return_if_fail(folder != NULL);
    482 
    483 		if (type != FOLDER_SEL_ALL) {
    484 			if (FOLDER_TYPE(folder) == F_NEWS)
    485 				continue;
    486 		}
    487 
    488 		if (cur_folder && (cur_folder->klass != folder->klass
    489 		    && g_strcmp0(cur_folder->name, folder->name) != 0))
    490 		    continue;
    491 
    492 		foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
    493 	}
    494 
    495 	gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
    496 					     FOLDERSEL_FOLDERNAME,
    497 					     GTK_SORT_ASCENDING);
    498 
    499 	gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
    500 }
    501 
    502 #include "localfolder.h"
    503 static gboolean foldersel_selected(GtkTreeSelection *selection,
    504 				   GtkTreeModel *model, GtkTreePath *path,
    505 				   gboolean currently_selected, gpointer data)
    506 {
    507 	GtkTreeIter iter;
    508 	FolderItem *item = NULL;
    509 
    510 	if (currently_selected)
    511 		return TRUE;
    512 
    513 	if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
    514 		return TRUE;
    515 
    516 	gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
    517 			   FOLDERSEL_FOLDERITEM, &item, -1);
    518 
    519 	selected_item = item;
    520 	if (selected_item && selected_item->path) {
    521 		gchar *id;
    522 		id = folder_item_get_identifier(selected_item);
    523 		gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid, id);
    524 		g_free(id);
    525 	} else if (root_selectable && selected_item && selected_item->folder &&
    526 		   (FOLDER_TYPE(selected_item->folder) == F_MH ||
    527 		    FOLDER_TYPE(selected_item->folder) == F_MBOX ||
    528 		    FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
    529 		gchar *id = folder_get_identifier(selected_item->folder);
    530 		gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid,  id);
    531 		g_free(id);
    532 	} else
    533 		gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid, "");
    534 
    535 	return TRUE;
    536 }
    537 
    538 static void foldersel_ok(GtkButton *button, gpointer data)
    539 {
    540 	finished = TRUE;
    541 }
    542 
    543 static void foldersel_cancel(GtkButton *button, gpointer data)
    544 {
    545 	cancelled = TRUE;
    546 	finished = TRUE;
    547 }
    548 
    549 static void foldersel_new_folder(GtkButton *button, gpointer data)
    550 {
    551 	FolderItem *new_item;
    552 	gchar *new_folder;
    553 	gchar *disp_name;
    554 	gchar *p;
    555 	GtkTreeIter selected, new_child;
    556 	GtkTreePath *selected_p, *new_child_p;
    557 	GtkTreeStore *store;
    558 	GtkTreeModel *model;
    559 	GtkTreeSelection *selection;
    560 
    561 	if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
    562 		return;
    563 
    564 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
    565 	if (!gtk_tree_selection_get_selected(selection, &model, &selected))
    566 		return;
    567 	store = GTK_TREE_STORE(model);
    568 
    569 	new_folder = input_dialog_with_checkbtn(_("New folder"),
    570 		_("Input the name of new folder:"),
    571 		_("NewFolder"),
    572 		_("Inherit properties and processing rules from parent folder"),
    573 		&(prefs_common.inherit_folder_props));
    574 
    575 	if (!new_folder) return;
    576 	AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
    577 
    578 	p = strchr(new_folder, G_DIR_SEPARATOR);
    579 	if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
    580 	    (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
    581 	     *(p + 1) != '\0')) {
    582 		alertpanel_error(_("'%c' can't be included in folder name."),
    583 				G_DIR_SEPARATOR);
    584 		return;
    585 	}
    586 
    587 	if (FOLDER_TYPE(selected_item->folder) != F_IMAP &&
    588 			FOLDER_TYPE(selected_item->folder) != F_NEWS &&
    589 			!folder_local_name_ok(new_folder))
    590 		return;
    591 
    592 	disp_name = trim_string(new_folder, 32);
    593 	AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
    594 
    595 	/* find whether the directory already exists */
    596 	if (folder_find_child_item_by_name(selected_item, new_folder)) {
    597 		alertpanel_error(_("The folder '%s' already exists."),
    598 				 disp_name);
    599 		return;
    600 	}
    601 
    602 	new_item = folder_create_folder(selected_item, new_folder);
    603 	if (!new_item) {
    604 		alertpanel_error(_("Can't create the folder '%s'."), disp_name);
    605 		return;
    606 	}
    607 
    608 	if (prefs_common.inherit_folder_props) {
    609 		folder_item_prefs_copy_prefs(selected_item, new_item);
    610 	}
    611 
    612 	/* add new child */
    613 	foldersel_append_item(store, new_item, &new_child, &selected);
    614 
    615 	selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
    616 	new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
    617 					      &new_child);
    618 
    619 	gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
    620 	gtk_tree_selection_select_iter(selection, &new_child);
    621 	gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
    622 				     NULL, TRUE, 0.5, 0.0);
    623 	gtk_tree_path_free(new_child_p);
    624 	gtk_tree_path_free(selected_p);
    625 
    626 	folder_write_list();
    627 }
    628 
    629 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
    630 				     GtkTreeViewColumn *column, gpointer data)
    631 {
    632 	gtk_button_clicked(GTK_BUTTON(ok_button));
    633 }
    634 
    635 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
    636 {
    637 	foldersel_cancel(NULL, NULL);
    638 	return TRUE;
    639 }
    640 
    641 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
    642 {
    643 	if (!event)
    644 		return FALSE;
    645 
    646 	GtkTreePath *path = NULL;
    647 	gtk_tree_view_get_cursor(GTK_TREE_VIEW(treeview), &path, NULL);
    648 	if (path == NULL)
    649 		return FALSE;
    650 
    651 	switch (event->keyval) {
    652 		case GDK_KEY_Left:
    653 			if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
    654 				gtk_tree_view_collapse_row(GTK_TREE_VIEW(treeview), path);
    655 			} else {
    656 				gtk_tree_path_up(path);
    657 				gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
    658 			}
    659 			return TRUE;
    660 			break;
    661 		case GDK_KEY_Right:
    662 			if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
    663 				gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), path, FALSE);
    664 			} else {
    665 				gtk_tree_path_down(path);
    666 				gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
    667 			}
    668 			return TRUE;
    669 			break;
    670 	}
    671 
    672 	gtk_tree_path_free(path);
    673 
    674 	return FALSE;
    675 }
    676 
    677 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
    678 					  GtkTreeIter *b, gpointer context)
    679 {
    680 	gchar *str_a = NULL, *str_b = NULL;
    681 	gint val = 0;
    682 	FolderItem *item_a = NULL, *item_b = NULL;
    683 	GtkTreeIter parent;
    684 
    685 	gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
    686 	gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
    687 
    688 	/* no sort for root folder */
    689 	if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
    690 		return 0;
    691 
    692 	/* if both a and b are special folders, sort them according to
    693 	 * their types (which is in-order). Note that this assumes that
    694 	 * there are no multiple folders of a special type. */
    695 	if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
    696 		return item_a->stype - item_b->stype;
    697 
    698 	/* if b is normal folder, and a is not, b is smaller (ends up
    699 	 * lower in the list) */
    700 	if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
    701 		return item_b->stype - item_a->stype;
    702 
    703 	/* if b is special folder, and a is not, b is larger (ends up
    704 	 * higher in the list) */
    705 	if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
    706 		return item_b->stype - item_a->stype;
    707 
    708 	/* XXX g_utf8_collate_key() comparisons may speed things
    709 	 * up when having large lists of folders */
    710 	gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
    711 	gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
    712 
    713 	/* otherwise just compare the folder names */
    714 	val = g_utf8_collate(str_a, str_b);
    715 
    716 	g_free(str_a);
    717 	g_free(str_b);
    718 
    719 	return val;
    720 }
    721 
    722 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
    723 					   GtkTreePath *path,
    724 					   GtkTreeIter *iter,
    725 					   FolderItemSearch *data)
    726 {
    727 	FolderItem *item = NULL;
    728 
    729 	gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
    730 
    731 	if (data->item == item) {
    732 		data->path = gtk_tree_path_copy(path);
    733 		data->iter = *iter;
    734 		return TRUE;
    735 	}
    736 
    737 	return FALSE;
    738 }