/* browser.c */ /* TODO: * - hitting refresh unaligns the icons (factorize initialization code with * _fill_store()) * - factorize widgets sensitization/etc operations upon refresh or change */ #include #include #include #include #include #include #include #include "browser.h" #define min(a, b) ((a) > (b) ? (b) : (a)) /* Browser */ static int _browser_error(Browser * browser, char const * message, int ret); static int _new_pixbufs(Browser * browser, GError ** error); static GtkWidget * _new_menubar(Browser * browser); static GtkListStore * _create_store(void); static void _fill_store(Browser * browser); /* callbacks */ static void _browser_on_back(GtkWidget * widget, gpointer data); static void _browser_on_closex(GtkWidget * widget, GdkEvent * event, gpointer data); static void _browser_on_edit_copy(GtkWidget * widget, gpointer data); static void _browser_on_edit_cut(GtkWidget * widget, gpointer data); static void _browser_on_edit_paste(GtkWidget * widget, gpointer data); static void _browser_on_edit_preferences(GtkWidget * widget, gpointer data); static void _browser_on_edit_select_all(GtkWidget * widget, gpointer data); static void _browser_on_edit_unselect_all(GtkWidget * widget, gpointer data); static void _browser_on_file_new_window(GtkWidget * widget, gpointer data); static void _browser_on_file_close(GtkWidget * widget, gpointer data); static void _browser_on_forward(GtkWidget * widget, gpointer data); static void _browser_on_help_about(GtkWidget * widget, gpointer data); static void _browser_on_home(GtkWidget * widget, gpointer data); static void _browser_on_icon_default(GtkIconView * iconview, GtkTreePath *tree_path, gpointer data); static void _browser_on_path_activate(GtkWidget * widget, gpointer data); static void _browser_on_refresh(GtkWidget * widget, gpointer data); static void _browser_on_updir(GtkWidget * widget, gpointer data); struct _menu { char * name; GtkSignalFunc callback; char * stock; }; struct _menubar { char * name; struct _menu * menu; }; struct _menu _menu_file[] = { { "_New window", G_CALLBACK(_browser_on_file_new_window), GTK_STOCK_NEW }, /* FIXME */ { "", NULL, NULL }, { "_Close", G_CALLBACK(_browser_on_file_close), GTK_STOCK_CLOSE }, { NULL, NULL, NULL } }; static struct _menu _menu_edit[] = { { "_Cut", G_CALLBACK(_browser_on_edit_cut), GTK_STOCK_CUT }, { "Cop_y", G_CALLBACK(_browser_on_edit_copy), GTK_STOCK_COPY }, { "_Paste", G_CALLBACK(_browser_on_edit_paste), GTK_STOCK_PASTE }, { "", NULL, NULL }, { "_Select all", G_CALLBACK(_browser_on_edit_select_all), NULL }, { "_Unselect all", G_CALLBACK(_browser_on_edit_unselect_all), NULL }, { "", NULL, NULL }, { "_Preferences", G_CALLBACK(_browser_on_edit_preferences), GTK_STOCK_PREFERENCES }, { NULL, NULL, NULL } }; static struct _menu _menu_help[] = { { "_About", G_CALLBACK(_browser_on_help_about), GTK_STOCK_ABOUT }, { NULL, NULL, NULL } }; static struct _menubar _menubar[] = { { "_File", _menu_file }, { "_Edit", _menu_edit }, { "_Help", _menu_help }, { NULL, NULL } }; Browser * browser_new(char const * directory) { Browser * browser; GError * error = NULL; GtkWidget * sw; GtkWidget * vbox; GtkWidget * tb_menubar; GtkWidget * toolbar; GtkWidget * widget; GtkToolItem * toolitem; GtkToolItem * tb_button; if((browser = malloc(sizeof(*browser))) == NULL) return NULL; if(!_new_pixbufs(browser, &error)) { _browser_error(browser, error->message, 0); g_error_free(error); free(browser); return NULL; } /* config */ /* FIXME */ /* history */ browser->history = g_list_append(NULL, strdup(directory == NULL ? g_get_home_dir() : directory)); browser->current = browser->history; browser->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_default_size(GTK_WINDOW(browser->window), 640, 480); /* FIXME */ gtk_window_set_title(GTK_WINDOW(browser->window), "File browser"); /* g_signal_connect(window, "destroy", G_CALLBACK(gtk_widget_destroyed), &window); */ g_signal_connect(browser->window, "delete_event", G_CALLBACK(_browser_on_closex), NULL); vbox = gtk_vbox_new(FALSE, 0); /* menubar */ tb_menubar = _new_menubar(browser); gtk_box_pack_start(GTK_BOX(vbox), tb_menubar, FALSE, FALSE, 0); /* toolbar */ toolbar = gtk_toolbar_new(); browser->tb_back = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK); g_signal_connect(browser->tb_back, "clicked", G_CALLBACK(_browser_on_back), browser); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), FALSE); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_back, -1); browser->tb_updir = gtk_tool_button_new_from_stock(GTK_STOCK_GO_UP); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir), strcmp(browser->current->data, "/") != 0); g_signal_connect(browser->tb_updir, "clicked", G_CALLBACK(_browser_on_updir), browser); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_updir, -1); browser->tb_forward = gtk_tool_button_new_from_stock( GTK_STOCK_GO_FORWARD); g_signal_connect(browser->tb_forward, "clicked", G_CALLBACK(_browser_on_forward), browser); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), FALSE); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_forward, -1); tb_button = gtk_tool_button_new_from_stock(GTK_STOCK_REFRESH); g_signal_connect(tb_button, "clicked", G_CALLBACK(_browser_on_refresh), browser); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tb_button, -1); tb_button = gtk_tool_button_new_from_stock(GTK_STOCK_HOME); g_signal_connect(tb_button, "clicked", G_CALLBACK(_browser_on_home), browser); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tb_button, -1); gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0); /* toolbar */ toolbar = gtk_toolbar_new(); gtk_toolbar_set_icon_size(GTK_TOOLBAR(toolbar), GTK_ICON_SIZE_SMALL_TOOLBAR); gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS); widget = gtk_label_new("Location:"); toolitem = gtk_tool_item_new(); gtk_container_add(GTK_CONTAINER(toolitem), widget); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1); browser->tb_path = gtk_entry_new(); gtk_entry_set_text(GTK_ENTRY(browser->tb_path), browser->current->data); g_signal_connect(G_OBJECT(browser->tb_path), "activate", G_CALLBACK(_browser_on_path_activate), browser); toolitem = gtk_tool_item_new(); gtk_tool_item_set_expand(toolitem, TRUE); gtk_container_add(GTK_CONTAINER(toolitem), browser->tb_path); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1); toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_JUMP_TO); g_signal_connect(G_OBJECT(toolitem), "clicked", G_CALLBACK(_browser_on_path_activate), browser); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1); gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0); /* icon view */ sw = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(sw), GTK_SHADOW_ETCHED_IN); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0); /* statusbar */ browser->statusbar = gtk_statusbar_new(); browser->statusbar_id = 0; gtk_box_pack_start(GTK_BOX(vbox), browser->statusbar, FALSE, FALSE, 0); /* store */ browser->store = _create_store(); _fill_store(browser); browser->iconview = gtk_icon_view_new_with_model(GTK_TREE_MODEL( browser->store)); g_object_unref(browser->store); gtk_icon_view_set_selection_mode(GTK_ICON_VIEW(browser->iconview), GTK_SELECTION_MULTIPLE); gtk_icon_view_set_text_column(GTK_ICON_VIEW(browser->iconview), BR_COL_DISPLAY_NAME); gtk_icon_view_set_pixbuf_column(GTK_ICON_VIEW(browser->iconview), BR_COL_PIXBUF); g_signal_connect(browser->iconview, "item_activated", G_CALLBACK(_browser_on_icon_default), browser); gtk_container_add(GTK_CONTAINER(sw), browser->iconview); gtk_widget_grab_focus(browser->iconview); gtk_container_add(GTK_CONTAINER(browser->window), vbox); gtk_widget_show_all(browser->window); return browser; } static int _browser_error(Browser * browser, char const * message, int ret) { GtkWidget * dialog; dialog = gtk_message_dialog_new(GTK_WINDOW(browser->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message); g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL); gtk_widget_show(dialog); return ret; } static int _new_pixbufs(Browser * browser, GError ** error) { GtkIconTheme * theme; GList * list; theme = gtk_icon_theme_new(); gtk_icon_theme_set_custom_theme(theme, "gnome"); browser->pb_file = gtk_icon_theme_load_icon(theme, "gnome-fs-regular", 48, 0, error); browser->pb_folder = gtk_icon_theme_load_icon(theme, "gnome-fs-directory", 48, 0, error); return browser->pb_file != NULL && browser->pb_folder != NULL; } static GtkWidget * _new_menubar(Browser * browser) { GtkWidget * tb_menubar; GtkWidget * menu; GtkWidget * menubar; GtkWidget * menuitem; unsigned int i; unsigned int j; tb_menubar = gtk_menu_bar_new(); for(i = 0; _menubar[i].name != NULL; i++) { menubar = gtk_menu_item_new_with_mnemonic(_menubar[i].name); menu = gtk_menu_new(); for(j = 0; _menubar[i].menu[j].name != NULL; j++) { if(_menubar[i].menu[j].name[0] == '\0') menuitem = gtk_separator_menu_item_new(); else if(_menubar[i].menu[j].stock == 0) menuitem = gtk_menu_item_new_with_mnemonic( _menubar[i].menu[j].name); else menuitem = gtk_image_menu_item_new_from_stock( _menubar[i].menu[j].stock, NULL); if(_menubar[i].menu[j].callback != NULL) g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(_menubar[i].menu[j].callback), browser); gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem); } gtk_menu_item_set_submenu(GTK_MENU_ITEM(menubar), menu); gtk_menu_bar_append(GTK_MENU_BAR(tb_menubar), menubar); } return tb_menubar; } static void _fill_store(Browser * browser) { GDir * dir; char const * name; GtkTreeIter iter; size_t cnt; char status[17]; gtk_list_store_clear(browser->store); if((dir = g_dir_open(browser->current->data, 0, NULL)) == NULL) return; gtk_entry_set_text(GTK_ENTRY(browser->tb_path), browser->current->data); for(cnt = 0; (name = g_dir_read_name(dir)) != NULL;) { gchar * path, * display_name; gboolean is_dir; if(name[0] != '.') /* FIXME optional */ { path = g_build_filename(browser->current->data, name, NULL); is_dir = g_file_test(path, G_FILE_TEST_IS_DIR); display_name = g_filename_to_utf8(name, -1, NULL, NULL, NULL); gtk_list_store_append(browser->store, &iter); gtk_list_store_set(browser->store, &iter, BR_COL_PATH, path, BR_COL_DISPLAY_NAME, display_name, BR_COL_IS_DIRECTORY, is_dir, BR_COL_PIXBUF, is_dir ? browser->pb_folder : browser->pb_file, -1); g_free(path); g_free(display_name); cnt++; } } if(browser->statusbar_id) gtk_statusbar_remove(GTK_STATUSBAR(browser->statusbar), gtk_statusbar_get_context_id( GTK_STATUSBAR(browser->statusbar), ""), browser->statusbar_id); snprintf(status, sizeof(status), "%d file%c", cnt, cnt <= 1 ? '\0' : 's'); browser->statusbar_id = gtk_statusbar_push(GTK_STATUSBAR( browser->statusbar), gtk_statusbar_get_context_id(GTK_STATUSBAR( browser->statusbar), ""), status); } static int _sort_func(GtkTreeModel * model, GtkTreeIter * a, GtkTreeIter * b, gpointer data) { gboolean is_dir_a, is_dir_b; gchar * name_a, * name_b; int ret; /* FIXME sorts folders before files => optional */ gtk_tree_model_get(model, a, BR_COL_IS_DIRECTORY, &is_dir_a, BR_COL_DISPLAY_NAME, &name_a, -1); gtk_tree_model_get(model, b, BR_COL_IS_DIRECTORY, &is_dir_b, BR_COL_DISPLAY_NAME, &name_b, -1); if(!is_dir_a && is_dir_b) ret = 1; else if(is_dir_a && !is_dir_b) ret = -1; else ret = g_utf8_collate(name_a, name_b); g_free(name_a); g_free(name_b); return ret; } static GtkListStore * _create_store(void) { GtkListStore * store; store = gtk_list_store_new(BR_NUM_COLS, G_TYPE_STRING, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_BOOLEAN); gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), _sort_func, NULL, NULL); gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store), GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING); /* FIXME resettable */ return store; } /* callbacks */ static void _browser_on_back(GtkWidget * widget, gpointer data) { Browser * browser = data; if(browser->current->prev == NULL) return; browser->current = g_list_previous(browser->current); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), browser->current->prev != NULL); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir), strcmp(browser->current->data, "/") != 0); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), TRUE); _fill_store(browser); } static void _browser_on_closex(GtkWidget * widget, GdkEvent * event, gpointer data) { gtk_widget_hide(widget); gtk_main_quit(); } static void _copy_foreach(gpointer data, Browser * browser); static void _browser_on_edit_copy(GtkWidget * widget, gpointer data) { Browser * browser = data; GList * selection; /* FIXME free previous buffer */ selection = gtk_icon_view_get_selected_items(GTK_ICON_VIEW( browser->iconview)); g_list_foreach(selection, (GFunc)_copy_foreach, browser); /* FIXME differentiate cut from paste */ } static void _copy_foreach(gpointer data, Browser * browser) { printf("%p\n", data); /* FIXME */ } static void _browser_on_edit_cut(GtkWidget * widget, gpointer data) { Browser * browser = data; GList * selection; /* FIXME free previous buffer */ selection = gtk_icon_view_get_selected_items(GTK_ICON_VIEW( browser->iconview)); /* FIXME differentiate cut from paste */ } static void _browser_on_edit_paste(GtkWidget * widget, gpointer data) { } static void _browser_on_edit_select_all(GtkWidget * widget, gpointer data) { Browser * browser = data; gtk_icon_view_select_all(GTK_ICON_VIEW(browser->iconview)); } static void _browser_on_edit_unselect_all(GtkWidget * widget, gpointer data) { Browser * browser = data; gtk_icon_view_unselect_all(GTK_ICON_VIEW(browser->iconview)); } static void _browser_on_preferences_close(GtkWidget * widget, GdkEvent * event, gpointer data); static void _browser_on_edit_preferences(GtkWidget * widget, gpointer data) { static GtkWidget * window = NULL; Browser * browser = data; GtkWidget * vbox; if(window != NULL) { gtk_widget_show(window); return; } window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(window), "File browser preferences"); g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(_browser_on_preferences_close), browser); vbox = gtk_vbox_new(FALSE, 0); /* FIXME */ gtk_container_add(GTK_CONTAINER(window), vbox); gtk_widget_show_all(window); } static void _browser_on_preferences_close(GtkWidget * widget, GdkEvent * event, gpointer data) { gtk_widget_hide(widget); } static void _browser_on_file_new_window(GtkWidget * widget, gpointer data) { Browser * browser = data; pid_t pid; if((pid = fork()) == -1) { _browser_error(browser, strerror(errno), 0); return; } if(pid == 0) { execlp("browser", "browser", browser->current->data, NULL); fprintf(stderr, "%s%s", "browser: browser: ", strerror(errno)); exit(2); } } static void _browser_on_file_close(GtkWidget * widget, gpointer data) { gtk_main_quit(); } static void _browser_on_forward(GtkWidget * widget, gpointer data) { Browser * browser = data; if(browser->current->next == NULL) return; browser->current = browser->current->next; gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), TRUE); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir), strcmp(browser->current->data, "/") != 0); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), browser->current->next != NULL); _fill_store(browser); } static void _browser_on_help_about(GtkWidget * widget, gpointer data) { static GtkWidget * window = NULL; static char const * authors[] = { "Pierre 'khorben' Pronchery", NULL }; if(window != NULL) { gtk_widget_show(window); return; } window = gtk_about_dialog_new(); gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(window), "File browser"); /* FIXME automatic version */ gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(window), "0.0.0"); gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(window), "Pierre 'khorben' Pronchery"); gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(window), authors); gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window), "GPLv2"); gtk_widget_show(window); } static void _browser_go(Browser * browser, char const * path); static void _browser_on_home(GtkWidget * widget, gpointer data) { Browser * browser = data; _browser_go(browser, g_get_home_dir()); } static void _browser_go(Browser * browser, char const * path) { if(!g_file_test(path, G_FILE_TEST_IS_DIR)) return; if(browser->history == NULL) { if((browser->history = g_list_alloc()) == NULL) return; browser->history->data = strdup(path); browser->current = browser->history; } else if(strcmp(browser->current->data, path) == 0) { } else { g_list_foreach(browser->current->next, (GFunc)free, NULL); g_list_free(browser->current->next); browser->current->next = NULL; browser->history = g_list_append(browser->history, strdup(path)); browser->current = g_list_last(browser->history); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), TRUE); gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), FALSE); } gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir), strcmp(browser->current->data, "/") != 0); _fill_store(browser); } static void _browser_on_icon_default(GtkIconView * iconview, GtkTreePath * tree_path, gpointer data) { Browser * browser = data; char * path; GtkTreeIter iter; gboolean is_dir; gtk_tree_model_get_iter(GTK_TREE_MODEL(browser->store), &iter, tree_path); gtk_tree_model_get(GTK_TREE_MODEL(browser->store), &iter, BR_COL_PATH, &path, BR_COL_IS_DIRECTORY, &is_dir, -1); if(!is_dir) { g_free(path); return; } _browser_go(browser, path); g_free(path); } static void _browser_on_path_activate(GtkWidget * widget, gpointer data) { Browser * browser = data; _browser_go(browser, gtk_entry_get_text(GTK_ENTRY(browser->tb_path))); } static void _browser_on_refresh(GtkWidget * widget, gpointer data) { Browser * browser = data; _fill_store(browser); } static void _browser_on_updir(GtkWidget * widget, gpointer data) { Browser * browser = data; char * dir; browser = data; dir = g_path_get_dirname(browser->current->data); _browser_go(browser, dir); g_free(dir); } void browser_delete(Browser * browser) { g_list_foreach(browser->history, (GFunc)free, NULL); g_list_free(browser->history); free(browser); } /* usage */ static int _usage(void) { fprintf(stderr, "%s", "Usage: browser [directory]\n"); return 1; } /* main */ static void _main_sigchld(int signum); int main(int argc, char * argv[]) { int o; Browser * browser; struct sigaction sa; gtk_init(&argc, &argv); while((o = getopt(argc, argv, "")) != -1) switch(o) { default: return _usage(); } if(optind < argc-1) return _usage(); if((browser = browser_new(argv[optind])) == NULL) return 2; sa.sa_handler = _main_sigchld; sigfillset(&sa.sa_mask); if(sigaction(SIGCHLD, &sa, NULL) == -1) _browser_error(browser, "signal handling error", 0); gtk_main(); browser_delete(browser); return 0; } static void _main_sigchld(int signum) { wait(NULL); }