[darcs-to-svn @ initial import]

svn path=/trunk/; revision=2

1 files changed, 368 insertions, 0 deletions

diff --git a/libempathy-gtk/gossip-cell-renderer-text.c b/libempathy-gtk/gossip-cell-renderer-text.c
new file mode 100644
index 000000000..2b54eedf5
--- /dev/null
+++ b/libempathy-gtk/gossip-cell-renderer-text.c
@@ -0,0 +1,368 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2004-2007 Imendio AB
+ *
+ * This program 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 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ * 
+ * Authors: Mikael Hallendal <micke@imendio.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include "gossip-cell-renderer-text.h"
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CELL_RENDERER_TEXT, GossipCellRendererTextPriv))
+
+struct _GossipCellRendererTextPriv {
+	gchar    *name;
+	gchar    *status;
+	gboolean  is_group;
+
+	gboolean  is_valid;
+	gboolean  is_selected;
+
+	gboolean  show_status;
+};
+
+static void gossip_cell_renderer_text_class_init (GossipCellRendererTextClass *klass);
+static void gossip_cell_renderer_text_init       (GossipCellRendererText      *cell);
+static void cell_renderer_text_finalize          (GObject                     *object);
+static void cell_renderer_text_get_property      (GObject                     *object,
+						  guint                        param_id,
+						  GValue                      *value,
+						  GParamSpec                  *pspec);
+static void cell_renderer_text_set_property      (GObject                     *object,
+						  guint                        param_id,
+						  const GValue                *value,
+						  GParamSpec                  *pspec);
+static void cell_renderer_text_get_size          (GtkCellRenderer             *cell,
+						  GtkWidget                   *widget,
+						  GdkRectangle                *cell_area,
+						  gint                        *x_offset,
+						  gint                        *y_offset,
+						  gint                        *width,
+						  gint                        *height);
+static void cell_renderer_text_render            (GtkCellRenderer             *cell,
+						  GdkDrawable                 *window,
+						  GtkWidget                   *widget,
+						  GdkRectangle                *background_area,
+						  GdkRectangle                *cell_area,
+						  GdkRectangle                *expose_area,
+						  GtkCellRendererState         flags);
+static void cell_renderer_text_update_text       (GossipCellRendererText      *cell,
+						  GtkWidget                   *widget,
+						  gboolean                     selected);
+
+/* Properties */
+enum {
+	PROP_0,
+	PROP_NAME,
+	PROP_STATUS,
+	PROP_IS_GROUP,
+	PROP_SHOW_STATUS,
+};
+
+G_DEFINE_TYPE (GossipCellRendererText, gossip_cell_renderer_text, GTK_TYPE_CELL_RENDERER_TEXT);
+
+static void
+gossip_cell_renderer_text_class_init (GossipCellRendererTextClass *klass)
+{
+	GObjectClass         *object_class;
+	GtkCellRendererClass *cell_class;
+
+	object_class = G_OBJECT_CLASS (klass);
+	cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+	object_class->finalize = cell_renderer_text_finalize;
+
+	object_class->get_property = cell_renderer_text_get_property;
+	object_class->set_property = cell_renderer_text_set_property;
+
+	cell_class->get_size = cell_renderer_text_get_size;
+	cell_class->render = cell_renderer_text_render;
+
+	g_object_class_install_property (object_class,
+					 PROP_NAME,
+					 g_param_spec_string ("name",
+							      "Name",
+							      "Contact name",
+							      NULL,
+							      G_PARAM_READWRITE));
+	g_object_class_install_property (object_class,
+					 PROP_STATUS,
+					 g_param_spec_string ("status",
+							      "Status",
+							      "Contact status string",
+							      NULL,
+							      G_PARAM_READWRITE));
+	g_object_class_install_property (object_class,
+					 PROP_IS_GROUP,
+					 g_param_spec_boolean ("is_group",
+							       "Is group",
+							       "Whether this cell is a group",
+							       FALSE,
+							       G_PARAM_READWRITE));
+	g_object_class_install_property (object_class,
+					 PROP_SHOW_STATUS,
+					 g_param_spec_boolean ("show-status",
+							       "Show status",
+							       "Whether to show the status line",
+							       TRUE,
+							       G_PARAM_READWRITE));
+
+	g_type_class_add_private (object_class, sizeof (GossipCellRendererTextPriv));
+}
+
+static void
+gossip_cell_renderer_text_init (GossipCellRendererText *cell)
+{
+	GossipCellRendererTextPriv *priv;
+
+	priv = GET_PRIV (cell);
+
+	g_object_set (cell,
+		      "ellipsize", PANGO_ELLIPSIZE_END,
+		      NULL);
+
+	priv->name = g_strdup ("");
+	priv->status = g_strdup ("");
+	priv->show_status = TRUE;
+}
+
+static void
+cell_renderer_text_finalize (GObject *object)
+{
+	GossipCellRendererText     *cell;
+	GossipCellRendererTextPriv *priv;
+
+	cell = GOSSIP_CELL_RENDERER_TEXT (object);
+	priv = GET_PRIV (cell);
+
+	g_free (priv->name);
+	g_free (priv->status);
+
+	(G_OBJECT_CLASS (gossip_cell_renderer_text_parent_class)->finalize) (object);
+}
+
+static void
+cell_renderer_text_get_property (GObject    *object,
+				 guint       param_id,
+				 GValue     *value,
+				 GParamSpec *pspec)
+{
+	GossipCellRendererText     *cell;
+	GossipCellRendererTextPriv *priv;
+
+	cell = GOSSIP_CELL_RENDERER_TEXT (object);
+	priv = GET_PRIV (cell);
+
+	switch (param_id) {
+	case PROP_NAME:
+		g_value_set_string (value, priv->name);
+		break;
+	case PROP_STATUS:
+		g_value_set_string (value, priv->status);
+		break;
+	case PROP_IS_GROUP:
+		g_value_set_boolean (value, priv->is_group);
+		break;
+	case PROP_SHOW_STATUS:
+		g_value_set_boolean (value, priv->show_status);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+		break;
+	}
+}
+
+static void
+cell_renderer_text_set_property (GObject      *object,
+				 guint         param_id,
+				 const GValue *value,
+				 GParamSpec   *pspec)
+{
+	GossipCellRendererText     *cell;
+	GossipCellRendererTextPriv *priv;
+	const gchar                *str;
+
+	cell = GOSSIP_CELL_RENDERER_TEXT (object);
+	priv = GET_PRIV (cell);
+
+	switch (param_id) {
+	case PROP_NAME:
+		g_free (priv->name);
+		str = g_value_get_string (value);
+		priv->name = g_strdup (str ? str : "");
+		g_strdelimit (priv->name, "\n\r\t", ' ');
+		priv->is_valid = FALSE;
+		break;
+	case PROP_STATUS:
+		g_free (priv->status);
+		str = g_value_get_string (value);
+		priv->status = g_strdup (str ? str : "");
+		g_strdelimit (priv->status, "\n\r\t", ' ');
+		priv->is_valid = FALSE;
+		break;
+	case PROP_IS_GROUP:
+		priv->is_group = g_value_get_boolean (value);
+		priv->is_valid = FALSE;
+		break;
+	case PROP_SHOW_STATUS:
+		priv->show_status = g_value_get_boolean (value);
+		priv->is_valid = FALSE;
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+		break;
+	}
+}
+
+static void
+cell_renderer_text_get_size (GtkCellRenderer *cell,
+			     GtkWidget       *widget,
+			     GdkRectangle    *cell_area,
+			     gint            *x_offset,
+			     gint            *y_offset,
+			     gint            *width,
+			     gint            *height)
+{
+	GossipCellRendererText     *celltext;
+	GossipCellRendererTextPriv *priv;
+
+	celltext = GOSSIP_CELL_RENDERER_TEXT (cell);
+	priv = GET_PRIV (cell);
+
+	/* Only update if not already valid so we get the right size. */
+	cell_renderer_text_update_text (celltext, widget, priv->is_selected);
+
+	(GTK_CELL_RENDERER_CLASS (gossip_cell_renderer_text_parent_class)->get_size) (cell, widget,
+										      cell_area,
+										      x_offset, y_offset,
+										      width, height);
+}
+
+static void
+cell_renderer_text_render (GtkCellRenderer      *cell,
+			   GdkWindow            *window,
+			   GtkWidget            *widget,
+			   GdkRectangle         *background_area,
+			   GdkRectangle         *cell_area,
+			   GdkRectangle         *expose_area,
+			   GtkCellRendererState  flags)
+{
+	GossipCellRendererText *celltext;
+
+	celltext = GOSSIP_CELL_RENDERER_TEXT (cell);
+
+	cell_renderer_text_update_text (celltext,
+					widget,
+					(flags & GTK_CELL_RENDERER_SELECTED));
+
+	(GTK_CELL_RENDERER_CLASS (gossip_cell_renderer_text_parent_class)->render) (
+		cell, window,
+		widget,
+		background_area,
+		cell_area,
+		expose_area, flags);
+}
+
+static void
+cell_renderer_text_update_text (GossipCellRendererText *cell,
+				GtkWidget              *widget,
+				gboolean                selected)
+{
+	GossipCellRendererTextPriv *priv;
+	PangoAttrList              *attr_list;
+	PangoAttribute             *attr_color, *attr_style, *attr_size;
+	GtkStyle                   *style;
+	gchar                      *str;
+
+	priv = GET_PRIV (cell);
+
+	if (priv->is_valid && priv->is_selected == selected) {
+		return;
+	}
+
+	if (priv->is_group) {
+		g_object_set (cell,
+			      "visible", TRUE,
+			      "weight", PANGO_WEIGHT_BOLD,
+			      "text", priv->name,
+			      "attributes", NULL,
+			      "xpad", 1,
+			      "ypad", 1,
+			      NULL);
+
+		priv->is_selected = selected;
+		priv->is_valid = TRUE;
+		return;
+	}
+
+	style = gtk_widget_get_style (widget);
+
+	attr_list = pango_attr_list_new ();
+
+	attr_style = pango_attr_style_new (PANGO_STYLE_ITALIC);
+	attr_style->start_index = strlen (priv->name) + 1;
+	attr_style->end_index = -1;
+	pango_attr_list_insert (attr_list, attr_style);
+
+	if (!selected) {
+		GdkColor color;
+
+		color = style->text_aa[GTK_STATE_NORMAL];
+
+		attr_color = pango_attr_foreground_new (color.red, color.green, color.blue);
+		attr_color->start_index = attr_style->start_index;
+		attr_color->end_index = -1;
+		pango_attr_list_insert (attr_list, attr_color);
+	}
+
+	attr_size = pango_attr_size_new (pango_font_description_get_size (style->font_desc) / 1.2);
+
+	attr_size->start_index = attr_style->start_index;
+	attr_size->end_index = -1;
+	pango_attr_list_insert (attr_list, attr_size);
+
+	if (!priv->status || !priv->status[0] || !priv->show_status) {
+		str = g_strdup (priv->name);
+	} else {
+		str = g_strdup_printf ("%s\n%s", priv->name, priv->status);
+	}
+
+	g_object_set (cell,
+		      "visible", TRUE,
+		      "weight", PANGO_WEIGHT_NORMAL,
+		      "text", str,
+		      "attributes", attr_list,
+		      "xpad", 0,
+		      "ypad", 1,
+		      NULL);
+
+	g_free (str);
+	pango_attr_list_unref (attr_list);
+
+	priv->is_selected = selected;
+	priv->is_valid = TRUE;
+}
+
+GtkCellRenderer *
+gossip_cell_renderer_text_new (void)
+{
+	return g_object_new (GOSSIP_TYPE_CELL_RENDERER_TEXT, NULL);
+}