| /* |
| * 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 "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("<i>%d links found in %.4f seconds</i>", 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), "<i>No links found</i>"); |
| } |
| |
| 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_box_new(GTK_ORIENTATION_VERTICAL, 12); |
| |
| hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 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), "<i>No links found</i>"); |
| 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_paned_new(GTK_ORIENTATION_HORIZONTAL); |
| |
| 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; |
| } |