blob: 5dc7189251308994d0281122188a3287ef51db23 [file] [log] [blame]
/*
* Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
*
* 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, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <gtk/gtk.h>
#include "outline.h"
#include "utils.h"
enum {
OUTLINE_TITLE_COLUMN,
OUTLINE_ACTION_TYPE_COLUMN,
OUTLINE_EXPAND_COLUMN,
OUTLINE_ACTION_COLUMN,
N_COLUMNS
};
static void
build_tree (PopplerDocument *document,
GtkTreeModel *model,
GtkTreeIter *parent,
PopplerIndexIter *iter)
{
do {
GtkTreeIter tree_iter;
PopplerIndexIter *child;
PopplerAction *action;
gboolean expand;
gchar *markup;
GEnumValue *enum_value;
action = poppler_index_iter_get_action (iter);
expand = poppler_index_iter_is_open (iter);
if (!action)
continue;
markup = g_markup_escape_text (action->any.title, -1);
enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ACTION_TYPE), action->type);
if (action->type == POPPLER_ACTION_GOTO_DEST &&
action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
/* TODO */
}
gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
OUTLINE_TITLE_COLUMN, markup,
OUTLINE_ACTION_TYPE_COLUMN, enum_value->value_name,
OUTLINE_EXPAND_COLUMN, expand,
OUTLINE_ACTION_COLUMN, action,
-1);
g_object_weak_ref (G_OBJECT (model),
(GWeakNotify)poppler_action_free,
action);
g_free (markup);
child = poppler_index_iter_get_child (iter);
if (child)
build_tree (document, model, &tree_iter, child);
poppler_index_iter_free (child);
} while (poppler_index_iter_next (iter));
}
GtkTreeModel *
pgd_outline_create_model (PopplerDocument *document)
{
GtkTreeModel *model;
PopplerIndexIter *iter;
iter = poppler_index_iter_new (document);
if (iter) {
model = GTK_TREE_MODEL (
gtk_tree_store_new (N_COLUMNS,
G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_BOOLEAN, G_TYPE_POINTER));
build_tree (document, model, NULL, iter);
poppler_index_iter_free (iter);
} else {
GtkTreeIter tree_iter;
gchar *markup;
model = GTK_TREE_MODEL (gtk_list_store_new (1, G_TYPE_STRING));
gtk_list_store_append (GTK_LIST_STORE (model), &tree_iter);
markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>",
"The document doesn't contain outline");
gtk_list_store_set (GTK_LIST_STORE (model), &tree_iter,
0, markup, -1);
g_free (markup);
}
return model;
}
static void
expand_open_links (GtkTreeView *tree_view,
GtkTreeModel *model,
GtkTreeIter *parent)
{
GtkTreeIter iter;
gboolean expand;
if (gtk_tree_model_iter_children (model, &iter, parent)) {
do {
gtk_tree_model_get (model, &iter,
OUTLINE_EXPAND_COLUMN, &expand,
-1);
if (expand) {
GtkTreePath *path;
path = gtk_tree_model_get_path (model, &iter);
gtk_tree_view_expand_row (tree_view, path, FALSE);
gtk_tree_path_free (path);
}
expand_open_links (tree_view, model, &iter);
} while (gtk_tree_model_iter_next (model, &iter));
}
}
static void
pgd_outline_selection_changed (GtkTreeSelection *treeselection,
GtkWidget *action_view)
{
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (treeselection, &model, &iter)) {
PopplerAction *action;
gtk_tree_model_get (model, &iter,
OUTLINE_ACTION_COLUMN, &action,
-1);
pgd_action_view_set_action (action_view, action);
}
}
GtkWidget *
pgd_outline_create_widget (PopplerDocument *document)
{
GtkWidget *swindow;
GtkWidget *treeview;
GtkTreeModel *model;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
GtkWidget *hpaned, *action;
hpaned = gtk_hpaned_new ();
action = pgd_action_view_new (document);
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
model = pgd_outline_create_model (document);
treeview = gtk_tree_view_new_with_model (model);
g_object_unref (model);
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
0, "Title",
renderer,
"markup", OUTLINE_TITLE_COLUMN,
NULL);
g_object_set (G_OBJECT (renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
g_object_set (G_OBJECT (gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), 0)),
"expand", TRUE, NULL);
if (GTK_IS_TREE_STORE (model)) {
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
1, "Action Type",
renderer,
"text", OUTLINE_ACTION_TYPE_COLUMN,
NULL);
expand_open_links (GTK_TREE_VIEW (treeview), model, NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
g_signal_connect (G_OBJECT (selection), "changed",
G_CALLBACK (pgd_outline_selection_changed),
(gpointer)action);
} else {
gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)),
GTK_SELECTION_NONE);
}
gtk_container_add (GTK_CONTAINER (swindow), treeview);
gtk_widget_show (treeview);
gtk_paned_add1 (GTK_PANED (hpaned), swindow);
gtk_widget_show (swindow);
gtk_paned_add2 (GTK_PANED (hpaned), action);
gtk_widget_show (action);
gtk_paned_set_position (GTK_PANED (hpaned), 300);
return hpaned;
}