blob: 34210bbcad055058ddc09f49fe03161d93870247 [file] [log] [blame]
/*
* Copyright (C) 2013 Igalia S.L.
*
* 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 <string.h>
#include "text.h"
#include "utils.h"
typedef struct
{
GtkWidget *view;
GtkTreeStore *store;
GtkWidget *type_value;
GtkWidget *lang_value;
GtkWidget *abbr_value;
GtkWidget *id_value;
GtkWidget *title_value;
GtkTextBuffer *text_buffer;
} PgdTaggedStructDemo;
static void pgd_taggedstruct_free(PgdTaggedStructDemo *demo)
{
if (!demo)
return;
if (demo->store) {
g_object_unref(demo->store);
demo->store = NULL;
}
g_free(demo);
}
static void populate_store_aux(GtkTreeStore *store, GtkTreeIter *parent, PopplerStructureElementIter *iter)
{
do {
PopplerStructureElementIter *child = poppler_structure_element_iter_get_child(iter);
PopplerStructureElement *element = poppler_structure_element_iter_get_element(iter);
GEnumClass *enum_class = G_ENUM_CLASS(g_type_class_ref(POPPLER_TYPE_STRUCTURE_ELEMENT_KIND));
GEnumValue *enum_value = g_enum_get_value(enum_class, poppler_structure_element_get_kind(element));
GtkTreeIter pos;
gtk_tree_store_append(store, &pos, parent);
gtk_tree_store_set(store, &pos, 0, enum_value->value_nick, 1, element, -1);
if (child) {
populate_store_aux(store, &pos, child);
poppler_structure_element_iter_free(child);
}
} while (poppler_structure_element_iter_next(iter));
}
static GtkTreeStore *populate_store(PopplerStructureElementIter *iter)
{
GtkTreeStore *store = gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
if (iter) {
populate_store_aux(store, NULL, iter);
} else {
GtkTreeIter pos;
gtk_tree_store_append(store, &pos, NULL);
gtk_tree_store_set(store, &pos, 0, "<b>Not a Tagged-PDF</b>", 1, NULL, -1);
}
return store;
}
/*static void
pgd_row_activated (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, PgdTaggedStructDemo *demo)
{*/
static void pgd_selection_changed(GtkTreeSelection *selection, PgdTaggedStructDemo *demo)
{
GtkTreeModel *model;
PopplerStructureElement *element;
GtkTreeIter iter;
gpointer elementptr;
if (!gtk_tree_selection_get_selected(selection, &model, &iter))
return;
gtk_tree_model_get(model, &iter, 1, &elementptr, -1);
element = POPPLER_STRUCTURE_ELEMENT(elementptr);
gtk_label_set_text(GTK_LABEL(demo->id_value), poppler_structure_element_get_id(element));
gtk_label_set_text(GTK_LABEL(demo->title_value), poppler_structure_element_get_title(element));
gtk_label_set_text(GTK_LABEL(demo->lang_value), poppler_structure_element_get_language(element));
gtk_label_set_text(GTK_LABEL(demo->abbr_value), poppler_structure_element_get_abbreviation(element));
gtk_text_buffer_set_text(demo->text_buffer, "", -1);
if (poppler_structure_element_is_content(element)) {
const gchar *text = poppler_structure_element_get_text(element, FALSE);
if (text)
gtk_text_buffer_set_text(demo->text_buffer, text, -1);
gtk_label_set_text(GTK_LABEL(demo->type_value), "Content");
} else {
if (poppler_structure_element_is_inline(element))
gtk_label_set_text(GTK_LABEL(demo->type_value), "Inline");
else if (poppler_structure_element_is_block(element))
gtk_label_set_text(GTK_LABEL(demo->type_value), "Block");
else
gtk_label_set_text(GTK_LABEL(demo->type_value), "Structure");
}
}
GtkWidget *pgd_taggedstruct_create_widget(PopplerDocument *document)
{
PopplerStructureElementIter *iter;
PgdTaggedStructDemo *demo;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *grid;
GtkWidget *scroll;
GtkWidget *w;
gint row;
demo = g_new0(PgdTaggedStructDemo, 1);
iter = poppler_structure_element_iter_new(document);
demo->store = populate_store(iter);
poppler_structure_element_iter_free(iter);
demo->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(demo->store));
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(demo->view), 0, "Type", renderer, "markup", 0, NULL);
g_object_set(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(demo->view), 0)), "expand", TRUE, NULL);
gtk_tree_view_expand_all(GTK_TREE_VIEW(demo->view));
gtk_tree_view_set_show_expanders(GTK_TREE_VIEW(demo->view), TRUE);
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(demo->view), TRUE);
gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(demo->view), FALSE);
gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(demo->view), TRUE);
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(scroll), demo->view);
gtk_widget_show(demo->view);
gtk_box_pack_start(GTK_BOX(hbox), scroll, TRUE, TRUE, 0);
gtk_widget_show(scroll);
row = 0;
grid = gtk_grid_new();
gtk_container_set_border_width(GTK_CONTAINER(grid), 12);
gtk_grid_set_row_homogeneous(GTK_GRID(grid), FALSE);
gtk_grid_set_column_spacing(GTK_GRID(grid), 6);
gtk_grid_set_row_spacing(GTK_GRID(grid), 6);
pgd_table_add_property_with_value_widget(GTK_GRID(grid), "<b>Type:</b>", &demo->type_value, NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(grid), "<b>ID:</b>", &demo->id_value, NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(grid), "<b>Title:</b>", &demo->title_value, NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(grid), "<b>Language:</b>", &demo->lang_value, NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(grid), "<b>Abbreviation:</b>", &demo->abbr_value, NULL, &row);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start(GTK_BOX(vbox), grid, FALSE, FALSE, 0);
gtk_widget_show(grid);
scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_container_set_border_width(GTK_CONTAINER(scroll), 12);
gtk_box_pack_end(GTK_BOX(vbox), scroll, TRUE, TRUE, 0);
gtk_widget_show(scroll);
gtk_container_add(GTK_CONTAINER(scroll), (w = gtk_text_view_new()));
gtk_widget_show(w);
demo->text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(w));
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(w), GTK_WRAP_WORD_CHAR);
gtk_text_view_set_editable(GTK_TEXT_VIEW(w), FALSE);
gtk_text_buffer_set_text(demo->text_buffer, "", -1);
gtk_widget_show(w);
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(demo->view));
g_signal_connect(selection, "changed", G_CALLBACK(pgd_selection_changed), demo);
gtk_box_pack_end(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show(vbox);
g_object_weak_ref(G_OBJECT(hbox), (GWeakNotify)pgd_taggedstruct_free, demo);
gtk_widget_show(hbox);
return hbox;
}