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-rw-r--r--libempathy-gtk/gossip-cell-renderer-text.c368
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);
+}
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