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Diffstat (limited to 'components/news/nautilus-cell-renderer-news.c')
-rw-r--r--components/news/nautilus-cell-renderer-news.c489
1 files changed, 0 insertions, 489 deletions
diff --git a/components/news/nautilus-cell-renderer-news.c b/components/news/nautilus-cell-renderer-news.c
deleted file mode 100644
index c14f55a58..000000000
--- a/components/news/nautilus-cell-renderer-news.c
+++ /dev/null
@@ -1,489 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
-
-/*
- * Nautilus News Item Cell Renderer
- *
- * Copyright (C) 2000 Red Hat, Inc., Ximian Inc., Jonathan Blandford
- *
- * This library 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 library 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 library; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Author: Dave Camp <dave@ximian.com>
- * based on the text cell renderer by Jonathan Blandford
- * <jrb@redhat.com>
- *
- */
-
-#include <config.h>
-#include "nautilus-cell-renderer-news.h"
-
-#include <stdlib.h>
-#include <pango/pango-layout.h>
-#include <gtk/gtkcellrendererpixbuf.h>
-#include <libgnome/gnome-i18n.h>
-
-struct _NautilusCellRendererNewsPrivate {
- char *text;
- PangoFontDescription *font;
-
- PangoAttrList *extra_attrs;
-
- GdkPixbuf *bullet;
- GdkPixbuf *prelit_bullet;
-
- int wrap_at;
-};
-
-static void nautilus_cell_renderer_news_init (NautilusCellRendererNews *cellnews);
-static void nautilus_cell_renderer_news_class_init (NautilusCellRendererNewsClass *class);
-static void nautilus_cell_renderer_news_finalize (GObject *object);
-
-static void nautilus_cell_renderer_news_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec);
-static void nautilus_cell_renderer_news_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec);
-static void nautilus_cell_renderer_news_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- int *x_offset,
- int *y_offset,
- int *width,
- int *height);
-static void nautilus_cell_renderer_news_render (GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags);
-
-enum {
- PROP_0,
-
- PROP_MARKUP,
- PROP_BULLET,
- PROP_PRELIT_BULLET,
- PROP_WRAP_AT,
-};
-
-static gpointer parent_class;
-
-#define PAD 2
-
-GType
-nautilus_cell_renderer_news_get_type (void)
-{
- static GType cell_news_type = 0;
-
- if (!cell_news_type) {
- static const GTypeInfo cell_news_info = {
- sizeof (NautilusCellRendererNewsClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) nautilus_cell_renderer_news_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (NautilusCellRendererNews),
- 0, /* n_preallocs */
- (GInstanceInitFunc) nautilus_cell_renderer_news_init,
- };
-
- cell_news_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "NautilusCellRendererNews", &cell_news_info, 0);
- }
-
- return cell_news_type;
-}
-
-static void
-nautilus_cell_renderer_news_init (NautilusCellRendererNews *cellnews)
-{
- GTK_CELL_RENDERER (cellnews)->xalign = 0.0;
- GTK_CELL_RENDERER (cellnews)->yalign = 0.5;
- GTK_CELL_RENDERER (cellnews)->xpad = 2;
- GTK_CELL_RENDERER (cellnews)->ypad = 2;
-
- cellnews->priv = g_new0 (NautilusCellRendererNewsPrivate, 1);
- cellnews->priv->wrap_at = -1;
- cellnews->priv->font = pango_font_description_new ();
-}
-
-static void
-nautilus_cell_renderer_news_class_init (NautilusCellRendererNewsClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
- GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
-
- parent_class = g_type_class_peek_parent (class);
-
- object_class->finalize = nautilus_cell_renderer_news_finalize;
-
- object_class->get_property = nautilus_cell_renderer_news_get_property;
- object_class->set_property = nautilus_cell_renderer_news_set_property;
-
- cell_class->get_size = nautilus_cell_renderer_news_get_size;
- cell_class->render = nautilus_cell_renderer_news_render;
-
- g_object_class_install_property (object_class,
- PROP_WRAP_AT,
- g_param_spec_int ("wrap_at",
- _("Wrap at"),
- _("Width the cell should wrap to."),
- -1, G_MAXINT,
- -1,
- G_PARAM_READWRITE));
-
-
- g_object_class_install_property (object_class,
- PROP_MARKUP,
- g_param_spec_string ("markup",
- _("Markup"),
- _("Marked up text to display"),
- "",
- G_PARAM_READWRITE));
- g_object_class_install_property (object_class,
- PROP_BULLET,
- g_param_spec_pointer ("bullet",
- _("Bullet"),
- _("Bullet to display"),
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_PRELIT_BULLET,
- g_param_spec_pointer ("prelit_bullet",
- _("Prelight Bullet"),
- _("Bullet to display when prelit"),
- G_PARAM_READWRITE));
-}
-
-static void
-nautilus_cell_renderer_news_finalize (GObject *object)
-{
- NautilusCellRendererNews *cellnews = NAUTILUS_CELL_RENDERER_NEWS (object);
-
- pango_font_description_free (cellnews->priv->font);
-
- if (cellnews->priv->text) {
- g_free (cellnews->priv->text);
- }
-
- if (cellnews->priv->extra_attrs) {
- pango_attr_list_unref (cellnews->priv->extra_attrs);
- }
-
- if (cellnews->priv->bullet) {
- g_object_unref (cellnews->priv->bullet);
- }
-
- if (cellnews->priv->prelit_bullet) {
- g_object_unref (cellnews->priv->prelit_bullet);
- }
-
- g_free (cellnews->priv);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-nautilus_cell_renderer_news_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec)
-{
- NautilusCellRendererNews *cellnews = NAUTILUS_CELL_RENDERER_NEWS (object);
-
- switch (param_id) {
- case PROP_WRAP_AT :
- g_value_set_int (value, cellnews->priv->wrap_at);
- break;
- case PROP_MARKUP :
- g_value_set_pointer (value, cellnews->priv->text);
- break;
- case PROP_BULLET :
- g_value_set_pointer (value, cellnews->priv->bullet);
- break;
- case PROP_PRELIT_BULLET :
- g_value_set_pointer (value, cellnews->priv->prelit_bullet);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
- break;
- }
-}
-
-static void
-nautilus_cell_renderer_news_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- NautilusCellRendererNews *cellnews = NAUTILUS_CELL_RENDERER_NEWS (object);
- GdkPixbuf *pixbuf;
- const gchar *str;
- char *text = NULL;
- GError *error = NULL;
- PangoAttrList *attrs = NULL;
-
-
- switch (param_id) {
- case PROP_WRAP_AT:
- cellnews->priv->wrap_at = g_value_get_int (value);
- g_object_notify (object, "wrap_at");
- break;
- case PROP_BULLET:
- pixbuf = g_value_get_pointer (value);
-
- if (cellnews->priv->bullet) {
- g_object_unref (cellnews->priv->bullet);
- }
- cellnews->priv->bullet = pixbuf;
- if (cellnews->priv->bullet) {
- g_object_ref (cellnews->priv->bullet);
- }
- g_object_notify (object, "bullet");
- break;
- case PROP_PRELIT_BULLET:
- pixbuf = g_value_get_pointer (value);
-
- if (cellnews->priv->prelit_bullet) {
- g_object_unref (cellnews->priv->prelit_bullet);
- }
- cellnews->priv->prelit_bullet = pixbuf;
- if (cellnews->priv->prelit_bullet) {
- g_object_ref (cellnews->priv->prelit_bullet);
- }
-
- g_object_notify (object, "prelit_bullet");
- break;
- case PROP_MARKUP:
- str = g_value_get_string (value);
-
- if (cellnews->priv->extra_attrs) {
- pango_attr_list_unref (cellnews->priv->extra_attrs);
- }
-
- if (str && !pango_parse_markup (str,
- -1,
- 0,
- &attrs,
- &text,
- NULL,
- &error)) {
- g_warning ("Failed to set cell news from markup due to error parsing markup: %s",
- error->message);
- g_error_free (error);
- return;
- }
-
- cellnews->priv->text = text;
- cellnews->priv->extra_attrs = attrs;
-
- g_object_notify (object, "markup");
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
- break;
- }
-}
-
-/**
- * nautilus_cell_renderer_news_new:
- *
- * Creates a new #NautilusCellRendererNews. Adjust how news is drawn using
- * object properties. Object properties can be
- * set globally (with g_object_set()). Also, with #GtkTreeViewColumn,
- * you can bind a property to a value in a #GtkTreeModel. For example,
- * you can bind the "news" property on the cell renderer to a string
- * value in the model, thus rendering a different string in each row
- * of the #GtkTreeView
- *
- * Return value: the new cell renderer
- **/
-GtkCellRenderer *
-nautilus_cell_renderer_news_new (void)
-{
- return GTK_CELL_RENDERER (g_object_new (nautilus_cell_renderer_news_get_type (), NULL));
-}
-
-static void
-add_attr (PangoAttrList *attr_list,
- PangoAttribute *attr)
-{
- attr->start_index = 0;
- attr->end_index = G_MAXINT;
-
- pango_attr_list_insert (attr_list, attr);
-}
-
-static PangoLayout*
-get_layout (NautilusCellRendererNews *cellnews,
- GtkWidget *widget,
- gboolean will_render,
- GtkCellRendererState flags)
-{
- PangoAttrList *attr_list;
- PangoLayout *layout;
- int wrap_width;
-
- layout = gtk_widget_create_pango_layout (widget, cellnews->priv->text);
-
- if (cellnews->priv->extra_attrs)
- attr_list = pango_attr_list_copy (cellnews->priv->extra_attrs);
- else
- attr_list = pango_attr_list_new ();
-
- add_attr (attr_list, pango_attr_font_desc_new (cellnews->priv->font));
-
- if ((flags & GTK_CELL_RENDERER_PRELIT) != 0) {
- add_attr (attr_list,
- pango_attr_foreground_new (0, 0, 65535 / 2));
- }
-
- pango_layout_set_attributes (layout, attr_list);
-
- if (cellnews->priv->wrap_at != -1) {
- wrap_width = cellnews->priv->wrap_at;
- if (cellnews->priv->bullet) {
- wrap_width -= (gdk_pixbuf_get_width (cellnews->priv->bullet) + PAD);
- }
-
- pango_layout_set_wrap (layout, PANGO_WRAP_WORD);
- pango_layout_set_width (layout,
- wrap_width * PANGO_SCALE);
- }
-
- pango_attr_list_unref (attr_list);
-
- return layout;
-}
-
-static void
-nautilus_cell_renderer_news_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- int *x_offset,
- int *y_offset,
- int *width,
- int *height)
-{
- NautilusCellRendererNews *cellnews = (NautilusCellRendererNews *) cell;
- PangoRectangle rect;
- PangoLayout *layout;
-
- layout = get_layout (cellnews, widget, FALSE, 0);
- pango_layout_get_pixel_extents (layout, NULL, &rect);
-
- if (width) {
- *width = GTK_CELL_RENDERER (cellnews)->xpad * 2 + rect.width;
- if (cellnews->priv->bullet) {
- *width += gdk_pixbuf_get_width (cellnews->priv->bullet) + PAD;
- }
- }
-
- if (height) {
- *height = GTK_CELL_RENDERER (cellnews)->ypad * 2 + rect.height;
- if (cellnews->priv->bullet) {
- *height = MAX (*height,
- gdk_pixbuf_get_height (cellnews->priv->bullet) + GTK_CELL_RENDERER (cellnews)->ypad * 2);
- }
- }
-
- if (cell_area) {
- if (x_offset) {
- *x_offset = cell->xalign * (cell_area->width - rect.width - (2 * cell->xpad));
- *x_offset = MAX (*x_offset, 0);
- }
- if (y_offset) {
- *y_offset = cell->yalign * (cell_area->height - rect.height - (2 * cell->ypad));
- *y_offset = MAX (*y_offset, 0);
- }
- }
-
- g_object_unref (layout);
-}
-
-static void
-nautilus_cell_renderer_news_render (GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags)
-
-{
- NautilusCellRendererNews *cellnews = (NautilusCellRendererNews *) cell;
- PangoLayout *layout;
- GtkStateType state;
- int x_offset;
- int y_offset;
- int height;
- int width;
- GdkPixbuf *pixbuf;
-
- layout = get_layout (cellnews, widget, TRUE, flags);
-
- nautilus_cell_renderer_news_get_size (cell, widget, cell_area, &x_offset, &y_offset, &height, &width);
-
- if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED) {
- if (GTK_WIDGET_HAS_FOCUS (widget)) {
- state = GTK_STATE_SELECTED;
- } else {
- state = GTK_STATE_ACTIVE;
- }
- } else {
- if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE)
- state = GTK_STATE_INSENSITIVE;
- else
- state = GTK_STATE_NORMAL;
- }
-
- if (cellnews->priv->prelit_bullet
- && (flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT) {
- pixbuf = cellnews->priv->prelit_bullet;
- } else {
- pixbuf = cellnews->priv->bullet;
- }
-
- if (pixbuf) {
- gdk_pixbuf_render_to_drawable_alpha
- (pixbuf,
- window,
- 0, 0,
- cell_area->x + cell->xpad,
- cell_area->y + cell->ypad,
- gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf),
- GDK_PIXBUF_ALPHA_FULL,
- 0,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- x_offset += gdk_pixbuf_get_width (pixbuf) + PAD;
- }
- gtk_paint_layout (widget->style,
- window,
- state,
- TRUE,
- cell_area,
- widget,
- "cellrenderernews",
- cell_area->x + x_offset + cell->xpad,
- cell_area->y + y_offset + cell->ypad,
- layout);
-
- g_object_unref (layout);
-}
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