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/* | |
* Copyright (C) 2007 Carlos Garcia Campos <[email protected]> | |
* | |
* 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. | |
*/ | |
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; | |
} | |