blob: c2019e647b83ddb8d95c6446dc042a335fc52886 [file] [log] [blame]
/*
* 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 "transitions.h"
enum
{
TRANSITIONS_PAGE_COLUMN,
TRANSITIONS_TYPE_COLUMN,
TRANSITIONS_ALIGNMENT_COLUMN,
TRANSITIONS_DIRECTION_COLUMN,
TRANSITIONS_DURATION_COLUMN,
TRANSITIONS_ANGLE_COLUMN,
TRANSITIONS_SCALE_COLUMN,
TRANSITIONS_RECTANGULAR_COLUMN,
N_COLUMNS
};
typedef struct
{
PopplerDocument *doc;
GtkWidget *treeview;
GtkWidget *progress;
guint idle_id;
} PgdTransitionsDemo;
static void pgd_transitions_free(PgdTransitionsDemo *demo)
{
if (!demo)
return;
if (demo->idle_id > 0) {
g_source_remove(demo->idle_id);
demo->idle_id = 0;
}
if (demo->doc) {
g_object_unref(demo->doc);
demo->doc = NULL;
}
g_free(demo);
}
static const gchar *transition_type_to_string(PopplerPageTransitionType type)
{
switch (type) {
case POPPLER_PAGE_TRANSITION_REPLACE:
return "Replace";
case POPPLER_PAGE_TRANSITION_SPLIT:
return "Split";
case POPPLER_PAGE_TRANSITION_BLINDS:
return "Blinds";
case POPPLER_PAGE_TRANSITION_BOX:
return "Box";
case POPPLER_PAGE_TRANSITION_WIPE:
return "Wipe";
case POPPLER_PAGE_TRANSITION_DISSOLVE:
return "Dissolve";
case POPPLER_PAGE_TRANSITION_GLITTER:
return "Glitter";
case POPPLER_PAGE_TRANSITION_FLY:
return "Fly";
case POPPLER_PAGE_TRANSITION_PUSH:
return "Push";
case POPPLER_PAGE_TRANSITION_COVER:
return "Cover";
case POPPLER_PAGE_TRANSITION_UNCOVER:
return "Uncover";
case POPPLER_PAGE_TRANSITION_FADE:
return "Fade";
}
return "Unknown";
}
static const gchar *transition_alignment_to_string(PopplerPageTransitionAlignment alignment)
{
return alignment == POPPLER_PAGE_TRANSITION_HORIZONTAL ? "Horizontal" : "Vertical";
}
static const gchar *transition_direction_to_string(PopplerPageTransitionDirection direction)
{
return direction == POPPLER_PAGE_TRANSITION_INWARD ? "Inward" : "Outward";
}
static void pgd_transitions_update_progress(PgdTransitionsDemo *demo, gint n_pages, gint scanned)
{
gchar *str;
str = g_strdup_printf("Scanning transitions (%d%%)", MIN(scanned * 100 / n_pages, 100));
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(demo->progress), str);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(demo->progress), MIN((gdouble)scanned / n_pages, 1.0));
g_free(str);
}
static gboolean pgd_transitions_fill_model(PgdTransitionsDemo *demo)
{
GtkTreeModel *model;
gint i, n_pages;
n_pages = poppler_document_get_n_pages(demo->doc);
model = gtk_tree_view_get_model(GTK_TREE_VIEW(demo->treeview));
g_object_ref(model);
for (i = 0; i < n_pages; i++) {
PopplerPage *page;
PopplerPageTransition *transition;
pgd_transitions_update_progress(demo, n_pages, i);
while (gtk_events_pending())
gtk_main_iteration();
page = poppler_document_get_page(demo->doc, i);
if (!page)
continue;
transition = poppler_page_get_transition(page);
if (transition) {
GtkTreeIter iter;
gchar *npage;
gchar *duration;
gchar *angle;
gchar *scale;
npage = g_strdup_printf("%d", i + 1);
duration = g_strdup_printf("%.2f", transition->duration_real);
angle = g_strdup_printf("%d", transition->angle);
scale = g_strdup_printf("%.2f", transition->scale);
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, TRANSITIONS_PAGE_COLUMN, npage, TRANSITIONS_TYPE_COLUMN, transition_type_to_string(transition->type), TRANSITIONS_ALIGNMENT_COLUMN,
transition_alignment_to_string(transition->alignment), TRANSITIONS_DIRECTION_COLUMN, transition_direction_to_string(transition->direction), TRANSITIONS_DURATION_COLUMN, duration, TRANSITIONS_ANGLE_COLUMN,
angle, TRANSITIONS_SCALE_COLUMN, scale, TRANSITIONS_RECTANGULAR_COLUMN, transition->rectangular ? "Yes" : "No", -1);
g_free(npage);
g_free(duration);
g_free(angle);
g_free(scale);
poppler_page_transition_free(transition);
}
g_object_unref(page);
}
pgd_transitions_update_progress(demo, n_pages, n_pages);
g_object_unref(model);
return FALSE;
}
static void pgd_transitions_scan_button_clicked(GtkButton *button, PgdTransitionsDemo *demo)
{
if (demo->idle_id > 0)
g_source_remove(demo->idle_id);
demo->idle_id = g_idle_add((GSourceFunc)pgd_transitions_fill_model, demo);
}
static GtkWidget *pgd_transitions_create_list(GtkTreeModel *model)
{
GtkWidget *treeview;
GtkCellRenderer *renderer;
treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), TRUE);
gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview)), GTK_SELECTION_NONE);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 0, "Page", renderer, "text", TRANSITIONS_PAGE_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 1, "Type", renderer, "text", TRANSITIONS_TYPE_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 2, "Alignment", renderer, "text", TRANSITIONS_ALIGNMENT_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 3, "Direction", renderer, "text", TRANSITIONS_DIRECTION_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 4, "Duration", renderer, "text", TRANSITIONS_DURATION_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 5, "Angle", renderer, "text", TRANSITIONS_ANGLE_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 6, "Scale", renderer, "text", TRANSITIONS_SCALE_COLUMN, NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 7, "Rectangular", renderer, "text", TRANSITIONS_RECTANGULAR_COLUMN, NULL);
return treeview;
}
GtkWidget *pgd_transitions_create_widget(PopplerDocument *document)
{
PgdTransitionsDemo *demo;
GtkWidget *vbox;
GtkListStore *model;
GtkWidget *swindow;
GtkWidget *hbox, *button;
demo = g_new0(PgdTransitionsDemo, 1);
demo->doc = g_object_ref(document);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 12);
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
demo->progress = gtk_progress_bar_new();
gtk_progress_bar_set_ellipsize(GTK_PROGRESS_BAR(demo->progress), PANGO_ELLIPSIZE_END);
gtk_box_pack_start(GTK_BOX(hbox), demo->progress, TRUE, TRUE, 0);
gtk_widget_show(demo->progress);
button = gtk_button_new_with_label("Scan");
g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(pgd_transitions_scan_button_clicked), (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, 6);
gtk_widget_show(hbox);
swindow = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
model = gtk_list_store_new(N_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
demo->treeview = pgd_transitions_create_list(GTK_TREE_MODEL(model));
g_object_unref(model);
gtk_container_add(GTK_CONTAINER(swindow), demo->treeview);
gtk_widget_show(demo->treeview);
gtk_box_pack_start(GTK_BOX(vbox), swindow, TRUE, TRUE, 0);
gtk_widget_show(swindow);
g_object_weak_ref(G_OBJECT(swindow), (GWeakNotify)pgd_transitions_free, (gpointer)demo);
return vbox;
}