Add IdoRange, and modify IdoScaleMenuItem to use it.

1 files changed, 189 insertions, 0 deletions

diff --git a/src/idorange.c b/src/idorange.c
new file mode 100644
index 0000000..315d7fd
--- /dev/null
+++ b/src/idorange.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2010 Canonical, Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of either or both of the following licenses:
+ *
+ * 1) the GNU Lesser General Public License version 3, as published by the
+ * Free Software Foundation; and/or
+ * 2) the GNU Lesser General Public License version 2.1, as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the applicable version of the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of both the GNU Lesser General Public
+ * License version 3 and version 2.1 along with this program.  If not, see
+ * <http://www.gnu.org/licenses/>
+ *
+ * Authors:
+ *    Cody Russell <crussell@canonical.com>
+ */
+
+#include "idorange.h"
+#include "idotypebuiltins.h"
+
+struct _IdoRangePrivate
+{
+  IdoRangeStyle style;
+};
+
+static void ido_range_constructed    (GObject          *object);
+static void ido_range_set_property   (GObject          *object,
+                                      guint             prop_id,
+                                      const GValue     *value,
+                                      GParamSpec       *pspec);
+static void ido_range_get_property   (GObject          *object,
+                                      guint             prop_id,
+                                      GValue           *value,
+                                      GParamSpec       *pspec);
+
+#define IDO_RANGE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), IDO_TYPE_RANGE, IdoRangePrivate))
+
+G_DEFINE_TYPE (IdoRange, ido_range, GTK_TYPE_SCALE)
+
+enum {
+  PROP_0,
+  PROP_STYLE
+};
+
+static void
+ido_range_class_init (IdoRangeClass *class)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  gobject_class->constructed  = ido_range_constructed;
+  gobject_class->set_property = ido_range_set_property;
+  gobject_class->get_property = ido_range_get_property;
+
+  g_object_class_install_property (gobject_class,
+                                   PROP_STYLE,
+                                   g_param_spec_enum ("range-style",
+                                                      "Range style",
+                                                      "The style of the range",
+                                                      IDO_TYPE_RANGE_STYLE,
+                                                      IDO_RANGE_STYLE_SMALL,
+                                                      G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_int ("knob-width",
+                                                             "The knob width",
+                                                             "The knob width",
+                                                             G_MININT,
+                                                             G_MAXINT,
+                                                             8,
+                                                             G_PARAM_READABLE));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_int ("knob-height",
+                                                             "The knob height",
+                                                             "The knob height",
+                                                             G_MININT,
+                                                             G_MAXINT,
+                                                             8,
+                                                             G_PARAM_READABLE));
+
+  g_type_class_add_private (class, sizeof (IdoRangePrivate));
+}
+
+static void
+ido_range_get_property (GObject      *object,
+                        guint         prop_id,
+                        GValue       *value,
+                        GParamSpec   *pspec)
+{
+  IdoRangePrivate *priv = IDO_RANGE (object)->priv;
+
+  switch (prop_id)
+    {
+    case PROP_STYLE:
+      g_value_set_enum (value, priv->style);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+ido_range_set_property (GObject      *object,
+                        guint         prop_id,
+                        const GValue *value,
+                        GParamSpec   *pspec)
+{
+  IdoRangePrivate *priv = IDO_RANGE (object)->priv;
+
+  switch (prop_id)
+    {
+    case PROP_STYLE:
+      priv->style = g_value_get_enum (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+ido_range_constructed (GObject *object)
+{
+  IdoRange *range = IDO_RANGE (object);
+  IdoRangeStyle style;
+  char buf[1024];
+
+  g_object_get (range,
+                "range-style", &style,
+                NULL);
+
+  if (style == IDO_RANGE_STYLE_SMALL)
+    {
+      gint width, height;
+
+      gtk_widget_style_get (GTK_WIDGET (range),
+                            "knob-width", &width,
+                            "knob-height", &height,
+                            NULL);
+
+      g_snprintf (buf, sizeof (buf),
+                  "style \"ido-range\" {\n"
+                  "  GtkRange::slider-width = %d\n"
+                  "  GtkScale::slider-length = %d\n"
+                  "} class \"IdoRange\" style \"ido-range\"\n",
+                  width, height);
+      gtk_rc_parse_string (buf);
+    }
+
+  gtk_range_set_slider_size_fixed (GTK_RANGE (range), TRUE);
+}
+
+static void
+ido_range_init (IdoRange *range)
+{
+  range->priv = IDO_RANGE_GET_PRIVATE (range);
+}
+
+/**
+ * ido_range_new:
+ * @adj: A #GtkAdjustment providing the range values
+ * @style: The range style
+ *
+ * Creates a new #IdoRange widget.
+ **/
+GtkWidget *
+ido_range_new (GtkAdjustment *adj,
+               IdoRangeStyle  style)
+{
+  g_return_val_if_fail (GTK_IS_ADJUSTMENT (adj), NULL);
+
+  return g_object_new (IDO_TYPE_RANGE,
+                       "orientation", GTK_ORIENTATION_HORIZONTAL,
+                       "adjustment",  adj,
+                       "range-style", style,
+                       NULL);
+}