panel-plugin/xfce4-hdaps-dialogs.c

   1 /*
   2  * xfce4-hdaps, an XFCE4 panel plugin for the HDAPS system.
   3  *
   4  * Copyright Michael Orlitzky
   5  *
   6  * http://michael.orlitzky.com/
   7  *
   8  * This program is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * http://www.fsf.org/licensing/licenses/gpl.html
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <config.h>
  23 #endif
  24
  25 #include <gtk/gtk.h>
  26 #include <libxfcegui4/libxfcegui4.h>
  27 #include <libxfce4panel/xfce-panel-plugin.h>
  28 #include "xfce4-hdaps-dialogs.h"
  29
  30 /* Wild guess. Actually borrowed from some code
  31    I copy-and-pasted. Doesn't seem too ugly. */
  32 #define DEFAULT_BORDER_WIDTH 8
  33
  34 /* If people can't read the README, well maybe
  35  *  they can do it /online/.
  36  */
  37 #define PLUGIN_WEBSITE "http://michael.orlitzky.com/code/xfce4-hdaps.php"
  38
  39
  40 static void hdaps_configure_response(GtkWidget   *dialog,
  41                                      gint         response,
  42                                      HdapsPlugin *hdaps) {
  43
  44   if (response == GTK_RESPONSE_HELP) {
  45     /* Launch the user's web browser and direct them to
  46        the plugin's webpage. */
  47     gboolean spawn_result = g_spawn_command_line_async("exo-open --launch WebBrowser " PLUGIN_WEBSITE, NULL);
  48
  49     if (G_UNLIKELY(spawn_result == FALSE)) {
  50       g_warning(_("Unable to open the following url: %s"), PLUGIN_WEBSITE);
  51     }
  52
  53     return;
  54   }
  55
  56
  57   if (response == GTK_RESPONSE_OK) {
  58     /* This corresponds to the "Save" button, so we
  59        want to save any settings that may have changed. */
  60     g_object_set_data(G_OBJECT(hdaps->plugin), "dialog", NULL);
  61     hdaps->poll_frequency = gtk_spin_button_get_value_as_int((GtkSpinButton*)hdaps->sb_poll_frequency);
  62     hdaps->device_name = gtk_combo_box_get_active_text((GtkComboBox*)hdaps->cb_device_name);
  63     snprintf(hdaps->sysfs_file, FILENAME_MAX, UNLOAD_HEADS_FMT, hdaps->device_name);
  64     hdaps_save(hdaps->plugin, hdaps);
  65     hdaps_reset_timeout(hdaps);
  66   }
  67
  68
  69   /* Since there is already a "save" button, we should ignore
  70      any changes that were made if the user presses "cancel"
  71      instead. */
  72   g_object_set_data(G_OBJECT(hdaps->plugin), "dialog", NULL);
  73   xfce_panel_plugin_unblock_menu(hdaps->plugin);
  74   gtk_widget_destroy(dialog);
  75
  76   return;
  77 }
  78
  79
  80
  81 void hdaps_configure(XfcePanelPlugin *plugin,
  82                      HdapsPlugin     *hdaps) {
  83
  84   /* Here comes a bunch of GTK garbage to create the
  85      settings dialog. */
  86
  87   GtkWidget *dialog;
  88   GtkWidget *label;
  89   GtkWidget *vbox;
  90   GtkWidget *hbox;
  91   GtkSizeGroup *sg;
  92
  93   /* Block the plugin menu while the configuration
  94      dialogue is open. Don't forget to unblock it before
  95      we close. */
  96   xfce_panel_plugin_block_menu(plugin);
  97
  98   /* Create the dialog */
  99   dialog = xfce_titled_dialog_new_with_buttons(_("Hdaps Plugin"),
 100                                                GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (plugin))),
 101                                                GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_NO_SEPARATOR,
 102                                                GTK_STOCK_HELP, GTK_RESPONSE_HELP,
 103                                                GTK_STOCK_SAVE, GTK_RESPONSE_OK,
 104                                                GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 105                                                NULL);
 106
 107   /* Center the dialog on screen. */
 108   gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 109
 110   /* Set dialog icon to a generic settings icon. */
 111   gtk_window_set_icon_name(GTK_WINDOW(dialog), "xfce4-settings");
 112
 113   /* Link the dialog to the plugin, so we can destroy it in case
 114    * the plugin is closed while the dialog is still open. */
 115   g_object_set_data(G_OBJECT(plugin), "dialog", dialog);
 116
 117   /* Connect the reponse signal to the dialog. */
 118   g_signal_connect(G_OBJECT (dialog), "response",
 119                    G_CALLBACK(hdaps_configure_response), hdaps);
 120
 121
 122   vbox = gtk_vbox_new(FALSE, DEFAULT_BORDER_WIDTH);
 123   gtk_container_set_border_width(GTK_CONTAINER(vbox), DEFAULT_BORDER_WIDTH - 2);
 124   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), vbox, TRUE, TRUE, 0);
 125
 126   /* Create size group to keep widgets aligned */
 127   sg = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 128
 129   hbox = gtk_hbox_new(FALSE, DEFAULT_BORDER_WIDTH);
 130   gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 131
 132   label = gtk_label_new(_("Poll Frequency:"));
 133   gtk_size_group_add_widget(sg, label);
 134   gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 135   gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 136
 137   hdaps->sb_poll_frequency = gtk_spin_button_new_with_range(100, 5000, 100);
 138   gtk_spin_button_set_value((GtkSpinButton*)hdaps->sb_poll_frequency, hdaps->poll_frequency);
 139
 140   gtk_box_pack_start(GTK_BOX(hbox),
 141                      hdaps->sb_poll_frequency,
 142                      FALSE,
 143                      FALSE,
 144                      0);
 145
 146   /* Create the device name dropdown. */
 147   hbox = gtk_hbox_new(FALSE, DEFAULT_BORDER_WIDTH);
 148   gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 149
 150   label = gtk_label_new(_("Device Name:"));
 151   gtk_size_group_add_widget(sg, label);
 152   gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 153   gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 154
 155   hdaps->cb_device_name = gtk_combo_box_new_text();
 156   /* Add the current device name, it should always be available.
 157      Oh, and it should be the default, too. */
 158   gtk_combo_box_append_text((GtkComboBox*)hdaps->cb_device_name, hdaps->device_name);
 159
 160   /* This function takes an index, and 0 should be the first
 161      (only) index at this point. */
 162   gtk_combo_box_set_active((GtkComboBox*)hdaps->cb_device_name, 0);
 163
 164   /* Now loop through the list of available devices, adding each
 165      to the list as we go. I believe GTK takes care of the duplicates
 166      for us. */
 167   char hdaps_devices[MAX_HDAPS_DEVICES][FILENAME_MAX];
 168   int found_devices = get_hdaps_device_list(hdaps_devices);
 169   int list_idx = 0;
 170
 171   for (list_idx = 0; list_idx < found_devices; list_idx++) {
 172     gtk_combo_box_append_text((GtkComboBox*)hdaps->cb_device_name, hdaps_devices[list_idx]);
 173   }
 174
 175   gtk_box_pack_start(GTK_BOX(hbox), hdaps->cb_device_name, FALSE, FALSE, 0);
 176
 177   /* Show the dialog and all of its widgets. */
 178   gtk_widget_show_all(dialog);
 179 }
 180
 181
 182
 183 void hdaps_about(XfcePanelPlugin *plugin) {
 184   GdkPixbuf *icon;
 185   GtkWidget *dialog;
 186   XfceAboutInfo *about;
 187
 188   /* Send NULL as our license, since GPL >= 3 is not
 189      supported yet. I don't particularly care if people
 190      want to re-license under GPL2, but I also don't want
 191      to cause any unnecessary confusion. */
 192   about = xfce_about_info_new("xfce4-hdaps",
 193                               VERSION,
 194                               _("An HDAPS Plugin for XFCE4"),
 195                               XFCE_COPYRIGHT_TEXT("2009", "Michael Orlitzky"),
 196                               NULL);
 197
 198   xfce_about_info_set_homepage(about, PLUGIN_WEBSITE);
 199
 200   xfce_about_info_add_credit(about,
 201                              "Michael Orlitzky",
 202                              "michael@orlitzky.com",
 203                              _("A Reasonable Man"));
 204
 205   icon = gtk_icon_theme_load_icon(gtk_icon_theme_get_default(),
 206                                   "xfce4-hdaps",
 207                                   48, 0, NULL);
 208
 209   dialog = xfce_about_dialog_new_with_values(NULL, about, icon);
 210   xfce_about_info_free(about);
 211   gtk_dialog_run(GTK_DIALOG(dialog));
 212   gtk_widget_destroy(dialog);
 213   g_object_unref(G_OBJECT(icon));
 214 }