diff options
Diffstat (limited to 'command/command.c')
| -rw-r--r-- | command/command.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/command/command.c b/command/command.c new file mode 100644 index 00000000..03bcf93f --- /dev/null +++ b/command/command.c @@ -0,0 +1,263 @@ +/* command.c: + * + * Copyright (C) 2013-2014 Stefano Karapetsas + * + * This file is part of MATE Applets. + * + * MATE Applets 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, either version 3 of the License, or + * (at your option) any later version. + * + * MATE Applets 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 MATE Applets. If not, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Stefano Karapetsas <[email protected]> + */ + +#include <config.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <gio/gio.h> +#include <gtk/gtk.h> + +#include <mate-panel-applet.h> +#include <mate-panel-applet-gsettings.h> + +#define COMMAND_SCHEMA "org.mate.panel.applet.command" +#define COMMAND_KEY "command" +#define INTERVAL_KEY "interval" +#define SHOW_ICON_KEY "show-icon" + +typedef struct +{ + MatePanelApplet *applet; + GSettings *settings; + GtkLabel *label; + GtkImage *image; + GtkHBox *hbox; + guint timeout_id; +} CommandApplet; + +static void command_about_callback (GtkAction *action, CommandApplet *command_applet); +static void command_settings_callback (GtkAction *action, CommandApplet *command_applet); + +static const GtkActionEntry applet_menu_actions [] = { + { "Properties", GTK_STOCK_PROPERTIES, NULL, NULL, NULL, G_CALLBACK (command_settings_callback) }, + { "About", GTK_STOCK_ABOUT, NULL, NULL, NULL, G_CALLBACK (command_about_callback) } +}; + +static char *ui = "<menuitem name='Item 1' action='Properties' />" + "<menuitem name='Item 2' action='About' />"; + +static void +command_applet_destroy (MatePanelApplet *applet_widget, CommandApplet *command_applet) +{ + g_assert (command_applet); + + if (command_applet->timeout_id != 0) + { + g_source_remove(command_applet->timeout_id); + command_applet->timeout_id = 0; + } + + g_object_unref (command_applet->settings); +} + +static void +command_about_callback (GtkAction *action, CommandApplet *command_applet) +{ + const char* authors[] = { "Stefano Karapetsas <[email protected]>", NULL }; + + gtk_show_about_dialog(NULL, + "version", VERSION, + "copyright", "Copyright © 2013-2014 Stefano Karapetsas", + "authors", authors, + "comments", _("Shows the output of a command"), + "translator-credits", _("translator-credits"), + "logo-icon-name", "terminal", + NULL ); +} + +static void +command_settings_callback (GtkAction *action, CommandApplet *command_applet) +{ + GtkDialog *dialog; + GtkTable *table; + GtkWidget *widget; + GtkWidget *command; + GtkWidget *interval; + GtkWidget *showicon; + + dialog = GTK_DIALOG (gtk_dialog_new_with_buttons(_("Command Applet Preferences"), + NULL, + GTK_DIALOG_MODAL, + GTK_STOCK_CLOSE, + GTK_RESPONSE_CLOSE, + NULL)); + table = gtk_table_new (3, 2, FALSE); + + gtk_window_set_default_size (GTK_WINDOW (dialog), 350, 150); + + widget = gtk_label_new (_("Command:")); + gtk_table_attach (table, widget, 1, 2, 0, 1, + GTK_FILL, GTK_FILL, + 0, 0); + + command = gtk_entry_new (); + gtk_table_attach (table, command, 2, 3, 0, 1, + GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, + 0, 0); + + widget = gtk_label_new (_("Interval:")); + gtk_table_attach (table, widget, 1, 2, 1, 2, + GTK_FILL, GTK_FILL, + 0, 0); + + interval = gtk_spin_button_new_with_range (1.0, 600.0, 1.0); + gtk_table_attach (table, interval, 2, 3, 1, 2, + GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, + 0, 0); + + showicon = gtk_check_button_new_with_label (_("Show icon")); + gtk_table_attach (table, showicon, 2, 3, 3, 4, + GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, + 0, 0); + + gtk_box_pack_start_defaults (GTK_BOX (dialog->vbox), table); + + g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog); + + /* use g_settings_bind to manage settings */ + g_settings_bind (command_applet->settings, COMMAND_KEY, command, "text", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (command_applet->settings, INTERVAL_KEY, interval, "value", G_SETTINGS_BIND_DEFAULT); + g_settings_bind (command_applet->settings, SHOW_ICON_KEY, showicon, "active", G_SETTINGS_BIND_DEFAULT); + + gtk_widget_show_all (GTK_WIDGET (dialog)); +} + +static gboolean +command_execute (CommandApplet *command_applet) +{ + GError *error = NULL; + gchar *command = NULL; + gchar *output = NULL; + gint interval = 0; + gint ret = 0; + + /* FIXME: use GSettings changed event */ + interval = g_settings_get_int (command_applet->settings, INTERVAL_KEY); + command = g_settings_get_string (command_applet->settings, COMMAND_KEY); + + g_return_if_fail (command != NULL); + g_return_if_fail (command[0] != 0); + + /* minimum interval */ + if (interval <= 0) + interval = 1; + + if (g_spawn_command_line_sync (command, &output, NULL, &ret, &error)) + { + if ((output != NULL) && (output[0] != 0)) + { + if (g_str_has_suffix (output, "\n")) { + output[strlen(output) - 1] = 0; + } + gtk_label_set_text (command_applet->label, output); + } + else + gtk_label_set_text (command_applet->label, "#"); + } + else + gtk_label_set_text (command_applet->label, "#"); + + g_free (output); + g_free (command); + + /* start timer for next execution */ + command_applet->timeout_id = g_timeout_add_seconds (interval, + (GSourceFunc) command_execute, + command_applet); + + return FALSE; +} + +static gboolean +command_applet_fill (MatePanelApplet* applet) +{ + CommandApplet *command_applet; + + g_set_application_name (_("Command Applet")); + gtk_window_set_default_icon_name ("terminal"); + + mate_panel_applet_set_flags (applet, MATE_PANEL_APPLET_EXPAND_MINOR); + mate_panel_applet_set_background_widget (applet, GTK_WIDGET (applet)); + + command_applet = g_malloc0(sizeof(CommandApplet)); + command_applet->applet = applet; + command_applet->settings = mate_panel_applet_settings_new (applet, COMMAND_SCHEMA); + command_applet->hbox = gtk_hbox_new (FALSE, 0); + command_applet->image = gtk_image_new_from_icon_name ("terminal", 24); + command_applet->label = gtk_label_new ("#"); + command_applet->timeout_id = 0; + + /* we add the Gtk label into the applet */ + gtk_box_pack_start (GTK_BOX (command_applet->hbox), + GTK_WIDGET (command_applet->image), + TRUE, TRUE, 0); + gtk_box_pack_start (GTK_BOX (command_applet->hbox), + GTK_WIDGET (command_applet->label), + TRUE, TRUE, 0); + + gtk_container_add (GTK_CONTAINER (applet), + GTK_WIDGET (command_applet->hbox)); + + gtk_widget_show_all (GTK_WIDGET (command_applet->applet)); + + g_settings_bind (command_applet->settings, + SHOW_ICON_KEY, + command_applet->image, + "visible", + G_SETTINGS_BIND_DEFAULT); + + g_signal_connect(G_OBJECT (command_applet->applet), "destroy", + G_CALLBACK (command_applet_destroy), + command_applet); + + /* set up context menu */ + GtkActionGroup *action_group = gtk_action_group_new ("Command Applet Actions"); + gtk_action_group_add_actions (action_group, applet_menu_actions, + G_N_ELEMENTS (applet_menu_actions), command_applet); + mate_panel_applet_setup_menu (command_applet->applet, ui, action_group); + + /* first command execution */ + command_execute (command_applet); + + return TRUE; +} + +/* this function, called by mate-panel, will create the applet */ +static gboolean +command_factory (MatePanelApplet* applet, const char* iid, gpointer data) +{ + gboolean retval = FALSE; + + if (!g_strcmp0 (iid, "CommandApplet")) + retval = command_applet_fill (applet); + + return retval; +} + +/* needed by mate-panel applet library */ +MATE_PANEL_APPLET_OUT_PROCESS_FACTORY("CommandAppletFactory", + PANEL_TYPE_APPLET, + "Command applet", + command_factory, + NULL) |