/* $Id: dirtree.c,v 1.3 2011/07/30 13:51:20 khorben Exp $ */ /* Copyright (c) 2011 Pierre Pronchery */ /* This file is part of DeforaOS Desktop Browser */ /* This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #include #include "Browser.h" #define _(string) gettext(string) #define N_(string) (string) /* Dirtree */ /* private */ /* types */ typedef struct _Dirtree { GdkPixbuf * folder; GtkTreeStore * store; GtkWidget * view; } Dirtree; /* prototypes */ static GtkWidget * _dirtree_init(BrowserPlugin * plugin); static void _dirtree_destroy(BrowserPlugin * plugin); static void _dirtree_refresh(BrowserPlugin * plugin, char const * path); /* callbacks */ static void _dirtree_on_selection_changed(gpointer data); /* public */ /* variables */ BrowserPlugin plugin = { NULL, N_("Directory tree"), "stock_folder", _dirtree_init, _dirtree_destroy, _dirtree_refresh, NULL }; /* private */ /* functions */ /* dirtree_init */ static GtkWidget * _dirtree_init(BrowserPlugin * plugin) { Dirtree * dirtree; BrowserPluginHelper * helper = plugin->helper; GtkIconTheme * icontheme; GError * error = NULL; GtkWidget * widget; GtkCellRenderer * renderer; GtkTreeViewColumn * column; GtkTreeSelection * treesel; GtkTreeIter iter; gint size; if((dirtree = object_new(sizeof(*dirtree))) == NULL) return NULL; plugin->priv = dirtree; icontheme = gtk_icon_theme_get_default(); gtk_icon_size_lookup(GTK_ICON_SIZE_BUTTON, &size, &size); dirtree->folder = gtk_icon_theme_load_icon(icontheme, "stock_folder", size, GTK_ICON_LOOKUP_USE_BUILTIN, &error); if(dirtree->folder == NULL) { helper->error(helper->browser, error->message, 1); g_error_free(error); } widget = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); dirtree->store = gtk_tree_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_STRING); gtk_tree_store_insert(dirtree->store, &iter, NULL, -1); gtk_tree_store_set(dirtree->store, &iter, 0, dirtree->folder, 1, "/", 2, "/", -1); dirtree->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL( dirtree->store)); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dirtree->view), FALSE); renderer = gtk_cell_renderer_pixbuf_new(); column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "pixbuf", 0, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(dirtree->view), column); renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "text", 1, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(dirtree->view), column); treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(dirtree->view)); gtk_tree_selection_set_mode(treesel, GTK_SELECTION_SINGLE); g_signal_connect_swapped(treesel, "changed", G_CALLBACK( _dirtree_on_selection_changed), plugin); gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(widget), dirtree->view); gtk_widget_show_all(widget); return widget; } /* dirtree_destroy */ static void _dirtree_destroy(BrowserPlugin * plugin) { Dirtree * dirtree = plugin->priv; g_object_unref(dirtree->folder); object_delete(dirtree); } /* dirtree_refresh */ static gboolean _refresh_child(Dirtree * dirtree, GtkTreeIter * parent, char const * path, char const * basename); static void _dirtree_refresh(BrowserPlugin * plugin, char const * path) { Dirtree * dirtree = plugin->priv; GtkTreeModel * model = GTK_TREE_MODEL(dirtree->store); GtkTreeIter iter; gboolean valid; GtkTreeSelection * treesel; size_t i; size_t j; char * p; char c; if(path == NULL || (p = strdup(path)) == NULL) return; valid = gtk_tree_model_iter_children(model, &iter, NULL); for(i = 0; valid == TRUE && p[i] != '\0'; i++) { if(p[i] != '/') continue; p[i] = '\0'; for(j = i + 1; p[j] != '\0' && p[j] != '/'; j++); c = p[j]; p[j] = '\0'; valid = _refresh_child(dirtree, &iter, (i == 0) ? "/" : p, &p[i + 1]); p[i] = '/'; p[j] = c; } free(p); if(valid == TRUE) { treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW( dirtree->view)); gtk_tree_selection_select_iter(treesel, &iter); } } static gboolean _refresh_child(Dirtree * dirtree, GtkTreeIter * parent, char const * path, char const * basename) { DIR * dir; struct dirent * de; GtkTreeModel * model = GTK_TREE_MODEL(dirtree->store); GtkTreeIter iter; gboolean valid; GtkTreePath * p = NULL; for(valid = gtk_tree_model_iter_children(model, &iter, parent); valid == TRUE; valid = gtk_tree_store_remove(dirtree->store, &iter)); if((dir = opendir(path)) == NULL) return FALSE; while((de = readdir(dir)) != NULL) { if(de->d_name[0] == '.' && strcmp(de->d_name, basename) != 0) continue; if(de->d_type != DT_DIR) /* XXX d_type is not portable */ continue; gtk_tree_store_insert(dirtree->store, &iter, parent, -1); gtk_tree_store_set(dirtree->store, &iter, 0, dirtree->folder, /* XXX may not be valid UTF-8, need full path */ 1, de->d_name, -1); if(p == NULL && strcmp(de->d_name, basename) == 0) p = gtk_tree_model_get_path(model, &iter); } closedir(dir); if(p == NULL) return FALSE; gtk_tree_view_expand_to_path(GTK_TREE_VIEW(dirtree->view), p); gtk_tree_model_get_iter(model, parent, p); /* XXX may fail */ gtk_tree_path_free(p); return TRUE; } /* callbacks */ /* dirtree_on_selection_changed */ static void _dirtree_on_selection_changed(gpointer data) { BrowserPlugin * plugin = data; Dirtree * dirtree = plugin->priv; GtkTreeSelection * treesel; GtkTreeModel * model; GtkTreeIter iter; gchar * location; treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(dirtree->view)); if(gtk_tree_selection_get_selected(treesel, &model, &iter) != TRUE) return; gtk_tree_model_get(model, &iter, 2, &location, -1); plugin->helper->set_location(plugin->helper->browser, location); g_free(location); }