1 files changed, 140 insertions, 0 deletions
diff --git a/examples/cairo_snippets/snippets_gtk.py b/examples/cairo_snippets/snippets_gtk.py
new file mode 100755
index 0000000..c7796ea
--- /dev/null
+++ b/examples/cairo_snippets/snippets_gtk.py
@@ -0,0 +1,140 @@
+#!/usr/bin/env python
+"""Python version of cairo-demo/cairo_snippets/cairo_snippets_gtk.c
+"""
+from __future__ import division
+from math import pi as M_PI  # used by many snippets
+import os.path
+import sys
+
+import cairo
+import gtk
+import pango
+
+from snippets import snip_list, snippet_normalize
+
+
+Width, Height = 400, 400
+
+snippets_path = os.path.join(os.path.dirname(__file__), 'snippets')
+
+
+def gdkcolor_to_rgb (gdkcolor):
+    return gdkcolor.red/65535, gdkcolor.green/65535, gdkcolor.blue/65535
+
+
+class Window (gtk.Window):
+    """Composite widget"""
+    def __init__ (self, title=None, type=gtk.WINDOW_TOPLEVEL):
+        gtk.Window.__init__ (self, type)
+        self.set_default_size (Width, Height)
+
+        self.da = gtk.DrawingArea()
+        self.da.connect('expose-event', self.da_expose_event)
+
+        def put_in_frame (widget):
+            frame = gtk.Frame (label=None)
+            frame.set_property ('shadow_type', gtk.SHADOW_IN)
+            frame.add (widget)
+            return frame
+
+        vpaned = gtk.VPaned()
+        self.add (vpaned)
+
+        sv = self.create_text_view()
+        vpaned.pack1 (put_in_frame (sv), True, True)
+        sv.set_size_request (Width, int(Height/2))
+
+        hpaned = gtk.HPaned()
+        vpaned.pack2 (hpaned, True, False)
+
+        sl = self.create_snippet_list()
+        hpaned.pack1 (put_in_frame (sl), True, True)
+
+        hpaned.pack2 (put_in_frame (self.da), True, True)
+        self.da.set_size_request (int(Width/2), int(Height/2))
+
+        # set focus to snippet list
+        sl.get_child().grab_focus()
+
+
+    def da_expose_event (self, da, event, data=None):
+        x, y, width, height = da.allocation
+
+        cr = da.window.cairo_create()
+
+        try:
+            exec (self.snippet_str, globals(), locals())
+        except:
+            exc_type, exc_value = sys.exc_info()[:2]
+            print >> sys.stderr, exc_type, exc_value
+
+        return True
+
+
+    def create_text_view (self):
+        sw = gtk.ScrolledWindow()
+        sw.set_property ('shadow-type', gtk.SHADOW_IN)
+        sw.set_policy (hscrollbar_policy=gtk.POLICY_AUTOMATIC,
+                       vscrollbar_policy=gtk.POLICY_AUTOMATIC)
+
+        text_view = gtk.TextView()
+        sw.add (text_view)
+        # set a fixed width font, so any tabs line up
+        text_view.modify_font(pango.FontDescription ("Fixed"))
+
+        self.text_buffer = text_view.get_buffer()
+
+        return sw
+
+
+    def cb_selection_changed (self, tselection, data=None):
+        model, iter = tselection.get_selected()
+        if iter:
+            filename = model[iter][0] + '.py'
+            try:
+                path = os.path.join(snippets_path, filename)
+                file_obj = open(path, 'r')
+                self.snippet_str = file_obj.read()
+                file_obj.close()
+                self.text_buffer.set_text(self.snippet_str)
+            except IOError, exc:
+                print "%s: %s" % (exc.filename, exc.strerror)
+
+            self._draw_pixmap = True
+            self.da.queue_draw()
+
+
+    def create_snippet_list (self):
+        sw = gtk.ScrolledWindow()
+        sw.set_property ('shadow-type', gtk.SHADOW_IN)
+        sw.set_policy (hscrollbar_policy=gtk.POLICY_NEVER,
+                       vscrollbar_policy=gtk.POLICY_AUTOMATIC)
+
+        model = gtk.ListStore (str,)
+        for row in snip_list:
+            model.append (row=(row,))
+
+        tree_view = gtk.TreeView (model)
+        sw.add (tree_view)
+        tree_view.set_property ('headers-visible', False)
+        tree_view.set_property ('search-column', 0)
+        tree_view.set_property ('rules-hint', False)
+
+        tselection = tree_view.get_selection()
+        tselection.connect ("changed", self.cb_selection_changed)
+        tselection.set_mode (gtk.SELECTION_BROWSE)
+
+        cr = gtk.CellRendererText()
+        tvc = gtk.TreeViewColumn (None, cr, text=0)
+        tree_view.append_column (tvc)
+
+        tselection.select_path(0,) # select first item
+
+        return sw
+
+
+if __name__ == '__main__':
+    app = Window ()
+    app.connect('destroy', gtk.main_quit)
+    app.show_all()
+    gtk.main()