shell/ev-progress-message-area.c

   1 /* ev-progress-message-area.c
   2  *  this file is part of evince, a gnome document viewer
   3  *
   4  * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org>
   5  *
   6  * Evince is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Evince is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include <config.h>
  22
  23 #include <gtk/gtk.h>
  24
  25 #include "ev-progress-message-area.h"
  26
  27 #define EV_PROGRESS_MESSAGE_AREA_GET_PRIVATE(obj) \
  28         (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_PROGRESS_MESSAGE_AREA, EvProgressMessageAreaPrivate))
  29
  30 struct _EvProgressMessageAreaPrivate {
  31         GtkWidget *label;
  32         GtkWidget *progress_bar;
  33 };
  34
  35 enum {
  36         PROP_0,
  37         PROP_STATUS,
  38         PROP_FRACTION
  39 };
  40
  41 static void ev_progress_message_area_set_property (GObject      *object,
  42                                                    guint         prop_id,
  43                                                    const GValue *value,
  44                                                    GParamSpec   *pspec);
  45 static void ev_progress_message_area_get_property (GObject      *object,
  46                                                    guint         prop_id,
  47                                                    GValue       *value,
  48                                                    GParamSpec   *pspec);
  49
  50 G_DEFINE_TYPE (EvProgressMessageArea, ev_progress_message_area, EV_TYPE_MESSAGE_AREA)
  51
  52 static void
  53 ev_progress_message_area_class_init (EvProgressMessageAreaClass *class)
  54 {
  55         GObjectClass *gobject_class = G_OBJECT_CLASS (class);
  56
  57         gobject_class->set_property = ev_progress_message_area_set_property;
  58         gobject_class->get_property = ev_progress_message_area_get_property;
  59
  60         g_object_class_install_property (gobject_class,
  61                                          PROP_STATUS,
  62                                          g_param_spec_string ("status",
  63                                                               "Status",
  64                                                               "The status text of the progress area",
  65                                                               NULL,
  66                                                               G_PARAM_READWRITE));
  67         g_object_class_install_property (gobject_class,
  68                                          PROP_FRACTION,
  69                                          g_param_spec_double ("fraction",
  70                                                               "Fraction",
  71                                                               "The fraction of total work that has been completed",
  72                                                               0.0, 1.0, 0.0,
  73                                                               G_PARAM_READWRITE));
  74
  75         g_type_class_add_private (gobject_class, sizeof (EvProgressMessageAreaPrivate));
  76 }
  77
  78 static void
  79 ev_progress_message_area_init (EvProgressMessageArea *area)
  80 {
  81         GtkWidget *contents;
  82         GtkWidget *vbox;
  83
  84         area->priv = EV_PROGRESS_MESSAGE_AREA_GET_PRIVATE (area);
  85
  86         contents = _ev_message_area_get_main_box (EV_MESSAGE_AREA (area));
  87
  88         vbox = gtk_vbox_new (FALSE, 6);
  89
  90         area->priv->label = gtk_label_new (NULL);
  91         gtk_label_set_use_markup (GTK_LABEL (area->priv->label), TRUE);
  92         gtk_label_set_ellipsize (GTK_LABEL (area->priv->label),
  93                                  PANGO_ELLIPSIZE_END);
  94         gtk_misc_set_alignment (GTK_MISC (area->priv->label), 0.0, 0.5);
  95         gtk_box_pack_start (GTK_BOX (vbox), area->priv->label, TRUE, TRUE, 0);
  96         gtk_widget_show (area->priv->label);
  97
  98         area->priv->progress_bar = gtk_progress_bar_new ();
  99         gtk_widget_set_size_request (area->priv->progress_bar, -1, 15);
 100         gtk_box_pack_start (GTK_BOX (vbox), area->priv->progress_bar, TRUE, FALSE, 0);
 101         gtk_widget_show (area->priv->progress_bar);
 102
 103         gtk_box_pack_start (GTK_BOX (contents), vbox, TRUE, TRUE, 0);
 104         gtk_widget_show (vbox);
 105 }
 106
 107 static void
 108 ev_progress_message_area_set_property (GObject      *object,
 109                                        guint         prop_id,
 110                                        const GValue *value,
 111                                        GParamSpec   *pspec)
 112 {
 113         EvProgressMessageArea *area = EV_PROGRESS_MESSAGE_AREA (object);
 114
 115         switch (prop_id) {
 116         case PROP_STATUS:
 117                 ev_progress_message_area_set_status (area, g_value_get_string (value));
 118                 break;
 119         case PROP_FRACTION:
 120                 ev_progress_message_area_set_fraction (area, g_value_get_double (value));
 121                 break;
 122         default:
 123                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 124         }
 125 }
 126
 127 static void
 128 ev_progress_message_area_get_property (GObject    *object,
 129                                        guint       prop_id,
 130                                        GValue     *value,
 131                                        GParamSpec *pspec)
 132 {
 133         EvProgressMessageArea *area = EV_PROGRESS_MESSAGE_AREA (object);
 134
 135         switch (prop_id) {
 136         case PROP_STATUS:
 137                 g_value_set_string (value, gtk_label_get_label (GTK_LABEL (area->priv->label)));
 138                 break;
 139         case PROP_FRACTION: {
 140                 gdouble fraction;
 141
 142                 fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (area->priv->progress_bar));
 143                 g_value_set_double (value, fraction);
 144         }
 145                 break;
 146         default:
 147                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 148         }
 149 }
 150
 151 GtkWidget *
 152 ev_progress_message_area_new (const gchar *stock_id,
 153                               const gchar *text,
 154                               const gchar *first_button_text,
 155                               ...)
 156 {
 157         GtkWidget *widget;
 158
 159         widget = g_object_new (EV_TYPE_PROGRESS_MESSAGE_AREA,
 160                                "message-type", GTK_MESSAGE_OTHER,
 161                                "text", text,
 162                                NULL);
 163         if (first_button_text) {
 164                 va_list args;
 165
 166                 va_start (args, first_button_text);
 167                 _ev_message_area_add_buttons_valist (EV_MESSAGE_AREA (widget),
 168                                                      first_button_text,
 169                                                      args);
 170                 va_end (args);
 171         }
 172
 173         ev_message_area_set_image_from_stock (EV_MESSAGE_AREA (widget), stock_id);
 174
 175         return widget;
 176 }
 177
 178 void
 179 ev_progress_message_area_set_status (EvProgressMessageArea *area,
 180                                      const gchar           *str)
 181 {
 182         g_return_if_fail (EV_IS_PROGRESS_MESSAGE_AREA (area));
 183
 184         gtk_label_set_text (GTK_LABEL (area->priv->label), str);
 185
 186         g_object_notify (G_OBJECT (area), "status");
 187 }
 188
 189 void
 190 ev_progress_message_area_set_fraction (EvProgressMessageArea *area,
 191                                        gdouble                fraction)
 192 {
 193         g_return_if_fail (EV_IS_PROGRESS_MESSAGE_AREA (area));
 194
 195         gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (area->priv->progress_bar),
 196                                        fraction);
 197         g_object_notify (G_OBJECT (area), "fraction");
 198 }