seed r107 - trunk/examples

[racarr svn gnome org]

Author: racarr
Date: Tue Nov  4 10:09:58 2008
New Revision: 107
URL: http://svn.gnome.org/viewvc/seed?rev=107&view=rev

Log:
Mini-pdf viewer.


Added:
   trunk/examples/poppler.js   (contents, props changed)
Modified:
   trunk/examples/Makefile.am

Modified: trunk/examples/Makefile.am
==============================================================================
--- trunk/examples/Makefile.am	(original)
+++ trunk/examples/Makefile.am	Tue Nov  4 10:09:58 2008
@@ -7,6 +7,7 @@
 	gconf.js \
 	clutter.js \
 	introspect.js \
+	poppler.js \
 	ls.js \
 	mini-browser.js \
 	n-oscillator.js \

Added: trunk/examples/poppler.js
==============================================================================
--- (empty file)
+++ trunk/examples/poppler.js	Tue Nov  4 10:09:58 2008
@@ -0,0 +1,130 @@
+#!/usr/local/bin/seed
+Seed.import_namespace("cairo");
+Seed.import_namespace("Gdk");
+Seed.import_namespace("Gtk");
+Seed.import_namespace("Poppler");
+Seed.import_namespace("PopplerGlib");
+
+Gtk.init(null, null);
+
+var current_document = null;
+var drawing_area = null;
+var current_page = null;
+var page_num = null;
+var num_pages = null;
+
+function draw_document()
+{
+    if (current_page != null)
+    {
+	drawing_area.window.clear();
+        cairo = Gdk.cairo_create(drawing_area.window);
+        current_page.render(cairo);
+    }
+	
+    return true;
+}
+function set_page(num)
+{
+    Seed.print(typeof num);
+    current_page = current_document.get_page(num);
+    draw_document();
+    
+    entry.text = Seed.sprintf("%d",num+1);
+    page_num = num;
+    if (page_num == num_pages-1)
+	next_button.sensitive = false;
+    else
+	next_button.sensitive = true;
+    if (page_num == 0)
+	previous_button.sensitive = false;
+    else
+	previous_button.sensitive = true;
+}
+
+function open_file(sv)
+{
+    var file_chooser = new Gtk.FileChooserDialog();
+    var file_filter = new Gtk.FileFilter();
+    file_filter.add_mime_type("application/x-pdf");
+    file_chooser.set_filter(file_filter);
+    file_chooser.add_button("Cancel", Gtk.ResponseType.cancel);
+    file_chooser.add_button("Open", Gtk.ResponseType.accept);
+    file_chooser.set_action(Gtk.FileChooserAction.open);
+    
+    if(file_chooser.run() == Gtk.ResponseType.accept)
+    {
+	current_document = Poppler.Document.new_from_file(file_chooser.get_uri());
+	set_page(0);
+	num_pages = current_document.get_n_pages();
+	page_label.label = " of " + num_pages;
+	draw_document();
+	if (num_pages > 1)
+	    next_button.sensitive = true;
+    }
+    
+    file_chooser.destroy();
+}
+
+function make_toolbar()
+{
+    var window = new Gtk.Window();
+    var toolbar = new Gtk.Toolbar();
+    var main_vbox = new Gtk.VBox();
+    
+    var open_button = new Gtk.ToolButton({stock_id:"gtk-open"});
+    previous_button = new Gtk.ToolButton({stock_id:"gtk-go-up"});
+    next_button = new Gtk.ToolButton({stock_id:"gtk-go-down"});
+    var entry_item = new Gtk.ToolItem();
+    entry = new Gtk.Entry({text:"0"});
+    entry_item.add(entry);
+    entry_item.width_request = 40;
+    entry.signal_activate.connect(function(){set_page(parseInt(entry.text)-1)});
+    var label_item = new Gtk.ToolItem();
+    page_label = new Gtk.Label({label: " of 0"});
+    label_item.add(page_label);
+    
+    open_button.signal_clicked.connect(open_file);
+    next_button.signal_clicked.connect(
+	function(button)
+	{
+	    set_page(page_num+1);
+	});
+    previous_button.signal_clicked.connect(
+	function(button)
+	{
+	    set_page(page_num-1);
+	});
+    next_button.sensitive = previous_button.sensitive = false;
+		    
+    
+    toolbar.insert(open_button,-1);
+    toolbar.insert(previous_button, -1);
+    toolbar.insert(next_button, -1);
+    toolbar.insert(new Gtk.SeparatorToolItem(), -1);
+    toolbar.insert(entry_item, -1);
+    toolbar.insert(label_item, -1);
+    toolbar.insert(new Gtk.SeparatorToolItem(), -1);
+	
+    return toolbar;
+}
+
+var toolbar = make_toolbar();
+
+window = new Gtk.Window();
+window.title = "Poppler Demo";
+main_vbox = new Gtk.VBox();
+
+drawing_area = new Gtk.DrawingArea();
+drawing_area.app_paintable = true;
+drawing_area.signal_expose_event.connect(draw_document);
+
+window.add(main_vbox);
+main_vbox.pack_start(toolbar);
+main_vbox.pack_start(drawing_area, true, true);
+
+window.signal_hide.connect(Gtk.main_quit);
+
+window.show_all();
+window.resize(600,800);
+Gtk.main();