| /* |
| * 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; |
| } |