/* * Copyright (C) 2007 Carlos Garcia Campos * * 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 #include "links.h" #include "utils.h" enum { LINKS_ACTION_TYPE_COLUMN, LINKS_X1_COLUMN, LINKS_Y1_COLUMN, LINKS_X2_COLUMN, LINKS_Y2_COLUMN, LINKS_ACTION_COLUMN, N_COLUMNS }; typedef struct { PopplerDocument *doc; GtkListStore *model; GtkWidget *action_view; GtkWidget *timer_label; gint page; } PgdLinksDemo; static void pgd_links_free (PgdLinksDemo *demo) { if (!demo) return; if (demo->doc) { g_object_unref (demo->doc); demo->doc = NULL; } if (demo->model) { g_object_unref (demo->model); demo->model = NULL; } g_free (demo); } static void pgd_links_get_links (GtkWidget *button, PgdLinksDemo *demo) { PopplerPage *page; GList *mapping, *l; gint n_links; GTimer *timer; gtk_list_store_clear (demo->model); pgd_action_view_set_action (demo->action_view, NULL); page = poppler_document_get_page (demo->doc, demo->page); if (!page) return; timer = g_timer_new (); mapping = poppler_page_get_link_mapping (page); g_timer_stop (timer); n_links = g_list_length (mapping); if (n_links > 0) { gchar *str; str = g_strdup_printf ("%d links found in %.4f seconds", n_links, g_timer_elapsed (timer, NULL)); gtk_label_set_markup (GTK_LABEL (demo->timer_label), str); g_free (str); } else { gtk_label_set_markup (GTK_LABEL (demo->timer_label), "No links found"); } g_timer_destroy (timer); for (l = mapping; l; l = g_list_next (l)) { PopplerLinkMapping *lmapping; PopplerAction *action; GEnumValue *enum_value; GtkTreeIter iter; gchar *x1, *y1, *x2, *y2; lmapping = (PopplerLinkMapping *)l->data; action = poppler_action_copy (lmapping->action); enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ACTION_TYPE), action->type); x1 = g_strdup_printf ("%.2f", lmapping->area.x1); y1 = g_strdup_printf ("%.2f", lmapping->area.y1); x2 = g_strdup_printf ("%.2f", lmapping->area.x2); y2 = g_strdup_printf ("%.2f", lmapping->area.y2); gtk_list_store_append (demo->model, &iter); gtk_list_store_set (demo->model, &iter, LINKS_ACTION_TYPE_COLUMN, enum_value->value_name, LINKS_X1_COLUMN, x1, LINKS_Y1_COLUMN, y1, LINKS_X2_COLUMN, x2, LINKS_Y2_COLUMN, y2, LINKS_ACTION_COLUMN, action, -1); g_free (x1); g_free (y1); g_free (x2); g_free (y2); g_object_weak_ref (G_OBJECT (demo->model), (GWeakNotify)poppler_action_free, action); } poppler_page_free_link_mapping (mapping); g_object_unref (page); } static void pgd_links_page_selector_value_changed (GtkSpinButton *spinbutton, PgdLinksDemo *demo) { demo->page = (gint)gtk_spin_button_get_value (spinbutton) - 1; } static void pgd_links_selection_changed (GtkTreeSelection *treeselection, PgdLinksDemo *demo) { GtkTreeModel *model; GtkTreeIter iter; if (gtk_tree_selection_get_selected (treeselection, &model, &iter)) { PopplerAction *action; gtk_tree_model_get (model, &iter, LINKS_ACTION_COLUMN, &action, -1); pgd_action_view_set_action (demo->action_view, action); } } GtkWidget * pgd_links_create_widget (PopplerDocument *document) { PgdLinksDemo *demo; GtkWidget *label; GtkWidget *vbox; GtkWidget *hbox, *page_selector; GtkWidget *button; GtkWidget *hpaned; GtkWidget *swindow, *treeview; GtkTreeSelection *selection; GtkCellRenderer *renderer; gchar *str; gint n_pages; demo = g_new0 (PgdLinksDemo, 1); demo->doc = g_object_ref (document); n_pages = poppler_document_get_n_pages (document); vbox = gtk_vbox_new (FALSE, 12); hbox = gtk_hbox_new (FALSE, 6); label = gtk_label_new ("Page:"); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); gtk_widget_show (label); page_selector = gtk_spin_button_new_with_range (1, n_pages, 1); g_signal_connect (G_OBJECT (page_selector), "value-changed", G_CALLBACK (pgd_links_page_selector_value_changed), (gpointer)demo); gtk_box_pack_start (GTK_BOX (hbox), page_selector, FALSE, TRUE, 0); gtk_widget_show (page_selector); str = g_strdup_printf ("of %d", n_pages); label = gtk_label_new (str); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); gtk_widget_show (label); g_free (str); button = gtk_button_new_with_label ("Get Links"); g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (pgd_links_get_links), (gpointer)demo); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0); gtk_widget_show (hbox); demo->timer_label = gtk_label_new (NULL); gtk_label_set_markup (GTK_LABEL (demo->timer_label), "No links found"); g_object_set (G_OBJECT (demo->timer_label), "xalign", 1.0, NULL); gtk_box_pack_start (GTK_BOX (vbox), demo->timer_label, FALSE, TRUE, 0); gtk_widget_show (demo->timer_label); hpaned = gtk_hpaned_new (); demo->action_view = 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); demo->model = gtk_list_store_new (N_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER); treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (demo->model)); renderer = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), 0, "Action Type", renderer, "text", LINKS_ACTION_TYPE_COLUMN, NULL); renderer = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), 1, "X1", renderer, "text", LINKS_X1_COLUMN, NULL); renderer = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), 2, "Y1", renderer, "text", LINKS_Y1_COLUMN, NULL); renderer = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), 3, "X2", renderer, "text", LINKS_X2_COLUMN, NULL); renderer = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), 4, "Y2", renderer, "text", LINKS_Y2_COLUMN, NULL); selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)); g_signal_connect (G_OBJECT (selection), "changed", G_CALLBACK (pgd_links_selection_changed), (gpointer)demo); 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), demo->action_view); gtk_widget_show (demo->action_view); gtk_paned_set_position (GTK_PANED (hpaned), 300); gtk_box_pack_start (GTK_BOX (vbox), hpaned, TRUE, TRUE, 0); gtk_widget_show (hpaned); g_object_weak_ref (G_OBJECT (vbox), (GWeakNotify)pgd_links_free, demo); return vbox; }