diff options
Diffstat (limited to 'examples/demo/demo.py')
| -rwxr-xr-x | examples/demo/demo.py | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/examples/demo/demo.py b/examples/demo/demo.py deleted file mode 100755 index d67935d9..00000000 --- a/examples/demo/demo.py +++ /dev/null @@ -1,356 +0,0 @@ -#!/usr/bin/env python -# -*- Mode: Python; py-indent-offset: 4 -*- -# vim: tabstop=4 shiftwidth=4 expandtab -# -# Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri <johnp@redhat.com> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 -# USA - - -import codecs -import os -import sys -import textwrap - -from gi.repository import GLib, GObject, Pango, GdkPixbuf, Gtk, Gio - -try: - from gi.repository import GtkSource - GtkSource # PyFlakes -except ImportError: - GtkSource = None - - -DEMOROOTDIR = os.path.abspath(os.path.dirname(__file__)) -DEMOCODEDIR = os.path.join(DEMOROOTDIR, 'demos') -sys.path.insert(0, DEMOROOTDIR) - - -class Demo(GObject.GObject): - __gtype_name__ = 'GtkDemo' - - def __init__(self, title, module, filename): - super(Demo, self).__init__() - - self.title = title - self.module = module - self.filename = filename - - @classmethod - def new_from_file(cls, path): - relpath = os.path.relpath(path, DEMOROOTDIR) - packagename = os.path.dirname(relpath).replace(os.sep, '.') - modulename = os.path.basename(relpath)[0:-3] - - package = __import__(packagename, globals(), locals(), [modulename], 0) - module = getattr(package, modulename) - - try: - return cls(module.title, module, path) - except AttributeError as e: - raise AttributeError('(%s): %s' % (path, e.message)) - - -class DemoTreeStore(Gtk.TreeStore): - __gtype_name__ = 'GtkDemoTreeStore' - - def __init__(self, *args): - super(DemoTreeStore, self).__init__(str, Demo, Pango.Style) - - self._parent_nodes = {} - - for filename in self._list_dir(DEMOCODEDIR): - fullpath = os.path.join(DEMOCODEDIR, filename) - initfile = os.path.join(os.path.dirname(fullpath), '__init__.py') - - if fullpath != initfile and os.path.isfile(initfile) and fullpath.endswith('.py'): - parentname = os.path.dirname(os.path.relpath(fullpath, DEMOCODEDIR)) - - if parentname: - parent = self._get_parent_node(parentname) - else: - parent = None - - demo = Demo.new_from_file(fullpath) - self.append(parent, (demo.title, demo, Pango.Style.NORMAL)) - - def _list_dir(self, path): - demo_file_list = [] - - for filename in os.listdir(path): - fullpath = os.path.join(path, filename) - - if os.path.isdir(fullpath): - demo_file_list.extend(self._list_dir(fullpath)) - elif os.path.isfile(fullpath): - demo_file_list.append(fullpath) - - return sorted(demo_file_list, key=str.lower) - - def _get_parent_node(self, name): - if name not in self._parent_nodes.keys(): - node = self.append(None, (name, None, Pango.Style.NORMAL)) - self._parent_nodes[name] = node - - return self._parent_nodes[name] - - -class GtkDemoApp(Gtk.Application): - __gtype_name__ = 'GtkDemoWindow' - - def __init__(self): - super(GtkDemoApp, self).__init__(application_id='org.gnome.pygobject.gtkdemo') - - # Use a GResource to hold the CSS files. Resource bundles are created by - # the glib-compile-resources program shipped with Glib which takes an xml - # file that describes the bundle, and a set of files that the xml - # references. These are combined into a binary resource bundle. - base_path = os.path.abspath(os.path.dirname(__file__)) - resource_path = os.path.join(base_path, 'demos/data/demo.gresource') - resource = Gio.Resource.load(resource_path) - - # FIXME: method register() should be without the underscore - # FIXME: see https://bugzilla.gnome.org/show_bug.cgi?id=684319 - # Once the resource has been globally registered it can be used - # throughout the application. - resource._register() - - def on_activate(self, app): - self.window = Gtk.ApplicationWindow.new(self) - self.window.set_title('PyGObject GTK+ Code Demos') - self.window.set_default_size(600, 400) - self.setup_default_icon() - - self.header_bar = Gtk.HeaderBar(show_close_button=True, - subtitle='Foobar') - self.window.set_titlebar(self.header_bar) - - stack = Gtk.Stack(transition_type=Gtk.StackTransitionType.SLIDE_LEFT_RIGHT, - homogeneous=True) - switcher = Gtk.StackSwitcher(stack=stack, halign=Gtk.Align.CENTER) - - self.header_bar.set_custom_title(switcher) - - hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, - homogeneous=False, - spacing=0) - self.window.add(hbox) - - tree = self.create_tree() - hbox.pack_start(child=tree, expand=False, fill=False, padding=0) - hbox.pack_start(child=stack, expand=True, fill=True, padding=0) - - text_widget, info_buffer = self.create_text_view() - stack.add_titled(text_widget, name='info', title='Info') - - self.info_buffer = info_buffer - self.info_buffer.create_tag('title', font='Sans 18') - - text_widget, self.source_buffer = self.create_source_view() - stack.add_titled(text_widget, name='source', title='Source') - - self.window.show_all() - - self.selection_cb(self.tree_view.get_selection(), - self.tree_view.get_model()) - - def find_file(self, base=''): - dir = os.path.join(DEMOCODEDIR, 'data') - logo_file = os.path.join(dir, 'gtk-logo-rgb.gif') - base_file = os.path.join(dir, base) - - if (GLib.file_test(logo_file, GLib.FileTest.EXISTS) and - GLib.file_test(base_file, GLib.FileTest.EXISTS)): - return base_file - else: - filename = os.path.join(DEMOCODEDIR, base) - - if GLib.file_test(filename, GLib.FileTest.EXISTS): - return filename - - # can't find the file - raise IOError('Cannot find demo data file "%s"' % base) - - def setup_default_icon(self): - filename = self.find_file('gtk-logo-rgb.gif') - pixbuf = GdkPixbuf.Pixbuf.new_from_file(filename) - transparent = pixbuf.add_alpha(True, 0xff, 0xff, 0xff) - list = [] - list.append(transparent) - Gtk.Window.set_default_icon_list(list) - - def selection_cb(self, selection, model): - sel = selection.get_selected() - if sel == (): - return - - treeiter = sel[1] - title = model.get_value(treeiter, 0) - demo = model.get_value(treeiter, 1) - - if demo is None: - return - - # Split into paragraphs based on double newlines and use - # textwrap to strip out all other formatting whitespace - description = '' - for paragraph in demo.module.description.split('\n\n'): - description += '\n'.join(textwrap.wrap(paragraph, 99999)) - description += '\n\n' # Add paragraphs back in - - f = codecs.open(demo.filename, 'rU', 'utf-8') - code = f.read() - f.close() - - # output and style the title - (start, end) = self.info_buffer.get_bounds() - self.info_buffer.delete(start, end) - (start, end) = self.source_buffer.get_bounds() - self.source_buffer.delete(start, end) - - start = self.info_buffer.get_iter_at_offset(0) - end = start.copy() - self.info_buffer.insert(end, title) - start = end.copy() - start.backward_chars(len(title)) - self.info_buffer.apply_tag_by_name('title', start, end) - self.info_buffer.insert(end, '\n') - - # output the description - self.info_buffer.insert(end, description) - - # output the code - start = self.source_buffer.get_iter_at_offset(0) - end = start.copy() - self.source_buffer.insert(end, code) - - def row_activated_cb(self, view, path, col, store): - iter = store.get_iter(path) - demo = store.get_value(iter, 1) - - if demo is not None: - store.set_value(iter, 2, Pango.Style.ITALIC) - try: - demo.module.main(self) - finally: - store.set_value(iter, 2, Pango.Style.NORMAL) - - def create_tree(self): - tree_store = DemoTreeStore() - tree_view = Gtk.TreeView() - self.tree_view = tree_view - tree_view.set_model(tree_store) - selection = tree_view.get_selection() - selection.set_mode(Gtk.SelectionMode.BROWSE) - tree_view.set_size_request(200, -1) - - cell = Gtk.CellRendererText() - column = Gtk.TreeViewColumn(title='Widget (double click for demo)', - cell_renderer=cell, - text=0, - style=2) - - first_iter = tree_store.get_iter_first() - if first_iter is not None: - selection.select_iter(first_iter) - - selection.connect('changed', self.selection_cb, tree_store) - tree_view.connect('row_activated', self.row_activated_cb, tree_store) - - tree_view.append_column(column) - - tree_view.expand_all() - tree_view.set_headers_visible(False) - scrolled_window = Gtk.ScrolledWindow(hadjustment=None, - vadjustment=None) - scrolled_window.set_policy(Gtk.PolicyType.NEVER, - Gtk.PolicyType.AUTOMATIC) - - scrolled_window.add(tree_view) - - label = Gtk.Label(label='Widget (double click for demo)') - - box = Gtk.Notebook() - box.append_page(scrolled_window, label) - - tree_view.grab_focus() - - return box - - def create_scrolled_window(self): - scrolled_window = Gtk.ScrolledWindow(hadjustment=None, - vadjustment=None) - scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC, - Gtk.PolicyType.AUTOMATIC) - scrolled_window.set_shadow_type(Gtk.ShadowType.IN) - return scrolled_window - - def create_text_view(self): - text_view = Gtk.TextView() - buffer = Gtk.TextBuffer() - - text_view.set_buffer(buffer) - text_view.set_editable(False) - text_view.set_cursor_visible(False) - - scrolled_window = self.create_scrolled_window() - scrolled_window.add(text_view) - - text_view.set_wrap_mode(Gtk.WrapMode.WORD) - text_view.set_pixels_above_lines(2) - text_view.set_pixels_below_lines(2) - - return scrolled_window, buffer - - def create_source_view(self): - font_desc = Pango.FontDescription('monospace 11') - - if GtkSource: - lang_mgr = GtkSource.LanguageManager() - lang = lang_mgr.get_language('python') - - buffer = GtkSource.Buffer() - buffer.set_language(lang) - buffer.set_highlight_syntax(True) - - view = GtkSource.View() - view.set_buffer(buffer) - view.set_show_line_numbers(True) - - scrolled_window = self.create_scrolled_window() - scrolled_window.add(view) - - else: - scrolled_window, buffer = self.create_text_view() - view = scrolled_window.get_child() - - view.modify_font(font_desc) - view.set_wrap_mode(Gtk.WrapMode.NONE) - return scrolled_window, buffer - - def run(self, argv): - self.connect('activate', self.on_activate) - return super(GtkDemoApp, self).run(argv) - - -def main(argv): - """Entry point for demo manager""" - app = GtkDemoApp() - return app.run(argv) - - -if __name__ == '__main__': - SystemExit(main(sys.argv)) |