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-rw-r--r--chat/richtext.py374
1 files changed, 0 insertions, 374 deletions
diff --git a/chat/richtext.py b/chat/richtext.py
deleted file mode 100644
index 0ac70b1..0000000
--- a/chat/richtext.py
+++ /dev/null
@@ -1,374 +0,0 @@
-#!/usr/bin/env python
-
-import pygtk
-import gobject
-pygtk.require('2.0')
-import gtk
-import pango
-import xml.sax
-
-class RichTextView(gtk.TextView):
-
- __gsignals__ = {
- 'link-clicked': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
- ([gobject.TYPE_STRING]))
- }
-
- def __init__(self):
- gtk.TextView.__init__(self, RichTextBuffer())
- self.connect("motion-notify-event", self.__motion_notify_cb)
- self.connect("button-press-event", self.__button_press_cb)
- self.__hover_link = False
-
- def _set_hover_link(self, hover_link):
- if hover_link != self.__hover_link:
- self.__hover_link = hover_link
- display = self.get_toplevel().get_display()
- child_window = self.get_window(gtk.TEXT_WINDOW_TEXT)
-
- if hover_link:
- cursor = gtk.gdk.Cursor(display, gtk.gdk.HAND2)
- else:
- cursor = gtk.gdk.Cursor(display, gtk.gdk.XTERM)
-
- child_window.set_cursor(cursor)
- gtk.gdk.flush()
-
- def __iter_is_link(self, it):
- item = self.get_buffer().get_tag_table().lookup("link")
- if item:
- return it.has_tag(item)
- return False
-
- def __get_event_iter(self, event):
- return self.get_iter_at_location(int(event.x), int(event.y))
-
- def __motion_notify_cb(self, widget, event):
- if event.is_hint:
- [x, y, state] = event.window.get_pointer();
-
- it = self.__get_event_iter(event)
- if it:
- hover_link = self.__iter_is_link(it)
- else:
- hover_link = False
-
- self._set_hover_link(hover_link)
-
- def __button_press_cb(self, widget, event):
- it = self.__get_event_iter(event)
- if it and self.__iter_is_link(it):
- buf = self.get_buffer()
- address_tag = buf.get_tag_table().lookup("link-address")
-
- address_end = it.copy()
- address_end.backward_to_tag_toggle(address_tag)
-
- address_start = address_end.copy()
- address_start.backward_to_tag_toggle(address_tag)
-
- address = buf.get_text(address_start, address_end)
- self.emit("link-clicked", address)
-
-class RichTextBuffer(gtk.TextBuffer):
- def __init__(self):
- gtk.TextBuffer.__init__(self)
-
- self.connect_after("insert-text", self.__insert_text_cb)
-
- self.__create_tags()
- self.active_tags = []
-
- def append_link(self, title, address):
- it = self.get_iter_at_mark(self.get_insert())
- self.insert_with_tags_by_name(it, address, "link", "link-address")
- self.insert_with_tags_by_name(it, title, "link")
-
- def apply_tag(self, tag_name):
- self.active_tags.append(tag_name)
-
- bounds = self.get_selection_bounds()
- if bounds:
- [start, end] = bounds
- self.apply_tag_by_name(tag_name, start, end)
-
- def unapply_tag(self, tag_name):
- self.active_tags.remove(tag_name)
-
- bounds = self.get_selection_bounds()
- if bounds:
- [start, end] = bounds
- self.remove_tag_by_name(tag_name, start, end)
-
- def __create_tags(self):
- tag = self.create_tag("link")
- tag.set_property("underline", pango.UNDERLINE_SINGLE)
- tag.set_property("foreground", "#0000FF")
-
- tag = self.create_tag("link-address")
- tag.set_property("invisible", True)
-
- tag = self.create_tag("bold")
- tag.set_property("weight", pango.WEIGHT_BOLD)
-
- tag = self.create_tag("italic")
- tag.set_property("style", pango.STYLE_ITALIC)
-
- tag = self.create_tag("font-size-xx-small")
- tag.set_property("scale", pango.SCALE_XX_SMALL)
-
- tag = self.create_tag("font-size-x-small")
- tag.set_property("scale", pango.SCALE_X_SMALL)
-
- tag = self.create_tag("font-size-small")
- tag.set_property("scale", pango.SCALE_SMALL)
-
- tag = self.create_tag("font-size-large")
- tag.set_property("scale", pango.SCALE_LARGE)
-
- tag = self.create_tag("font-size-x-large")
- tag.set_property("scale", pango.SCALE_X_LARGE)
-
- tag = self.create_tag("font-size-xx-large")
- tag.set_property("scale", pango.SCALE_XX_LARGE)
-
- def __insert_text_cb(self, widget, pos, text, length):
- for tag in self.active_tags:
- pos_end = pos.copy()
- pos_end.backward_chars(length)
- self.apply_tag_by_name(tag, pos, pos_end)
-
-class RichTextToolbar(gtk.Toolbar):
- def __init__(self, buf):
- gtk.Toolbar.__init__(self)
-
- self.buf = buf
-
- self.set_style(gtk.TOOLBAR_ICONS)
-
- self._font_size = "normal"
- self._font_scales = [ "xx-small", "x-small", "small", \
- "normal", \
- "large", "x-large", "xx-large" ]
-
- item = gtk.ToggleToolButton(gtk.STOCK_BOLD)
- item.connect("toggled", self.__toggle_style_cb, "bold")
- self.insert(item, -1)
- item.show()
-
- item = gtk.ToggleToolButton(gtk.STOCK_ITALIC)
- item.connect("toggled", self.__toggle_style_cb, "italic")
- self.insert(item, -1)
- item.show()
-
- self._font_size_up = gtk.ToolButton(gtk.STOCK_GO_UP)
- self._font_size_up.connect("clicked", self.__font_size_up_cb)
- self.insert(self._font_size_up, -1)
- self._font_size_up.show()
-
- self._font_size_down = gtk.ToolButton(gtk.STOCK_GO_DOWN)
- self._font_size_down.connect("clicked", self.__font_size_down_cb)
- self.insert(self._font_size_down, -1)
- self._font_size_down.show()
-
- def _get_font_size_index(self):
- return self._font_scales.index(self._font_size);
-
- def __toggle_style_cb(self, toggle, tag_name):
- if toggle.get_active():
- self.buf.apply_tag(tag_name)
- else:
- self.buf.unapply_tag(tag_name)
-
- def _set_font_size(self, font_size):
- if self._font_size != "normal":
- self.buf.unapply_tag("font-size-" + self._font_size)
- if font_size != "normal":
- self.buf.apply_tag("font-size-" + font_size)
-
- self._font_size = font_size
-
- can_up = self._get_font_size_index() < len(self._font_scales) - 1
- can_down = self._get_font_size_index() > 0
- self._font_size_up.set_sensitive(can_up)
- self._font_size_down.set_sensitive(can_down)
-
- def __font_size_up_cb(self, button):
- index = self._get_font_size_index()
- if index + 1 < len(self._font_scales):
- self._set_font_size(self._font_scales[index + 1])
-
- def __font_size_down_cb(self, button):
- index = self._get_font_size_index()
- if index > 0:
- self._set_font_size(self._font_scales[index - 1])
-
-class RichTextHandler(xml.sax.handler.ContentHandler):
- def __init__(self, serializer, buf):
- self.buf = buf
- self.serializer = serializer
- self.tags = []
-
- def startElement(self, name, attrs):
- if name != "richtext":
- tag = self.serializer.deserialize_element(name, attrs)
- self.tags.append(tag)
- if name == "link":
- self.href = attrs['href']
-
- def characters(self, data):
- start_it = it = self.buf.get_end_iter()
- mark = self.buf.create_mark(None, start_it, True)
- self.buf.insert(it, data)
- start_it = self.buf.get_iter_at_mark(mark)
-
- for tag in self.tags:
- self.buf.apply_tag_by_name(tag, start_it, it)
- if tag == "link":
- self.buf.insert_with_tags_by_name(start_it, self.href,
- "link", "link-address")
-
- def endElement(self, name):
- if name != "richtext":
- self.tags.pop()
-
-class RichTextSerializer:
- def __init__(self):
- self._open_tags = []
-
- def deserialize_element(self, el_name, attributes):
- if el_name == "bold":
- return "bold"
- elif el_name == "italic":
- return "italic"
- elif el_name == "font":
- return "font-size-" + attributes["size"]
- elif el_name == "link":
- return "link"
- else:
- return None
-
- def serialize_tag_start(self, tag, it):
- name = tag.get_property("name")
- if name == "bold":
- return "<bold>"
- elif name == "italic":
- return "<italic>"
- elif name == "link":
- address_tag = self.buf.get_tag_table().lookup("link-address")
- end = it.copy()
- end.forward_to_tag_toggle(address_tag)
- address = self.buf.get_text(it, end)
- return "<link " + "href=\"" + address + "\">"
- elif name == "link-address":
- return ""
- elif name.startswith("font-size-"):
- tag_name = name.replace("font-size-", "", 1)
- return "<font size=\"" + tag_name + "\">"
- else:
- return "<unknown>"
-
- def serialize_tag_end(self, tag):
- name = tag.get_property("name")
- if name == "bold":
- return "</bold>"
- elif name == "italic":
- return "</italic>"
- elif name == "link":
- return "</link>"
- elif name == "link-address":
- return ""
- elif name.startswith("font-size-"):
- return "</font>"
- else:
- return "</unknown>"
-
- def serialize(self, buf):
- self.buf = buf
-
- xml = "<richtext>"
-
- next_it = buf.get_start_iter()
- while not next_it.is_end():
- it = next_it.copy()
- if not next_it.forward_to_tag_toggle(None):
- next_it = buf.get_end_iter()
-
- tags_to_reopen = []
-
- for tag in it.get_toggled_tags(False):
- while 1:
- open_tag = self._open_tags.pop()
- xml += self.serialize_tag_end(tag)
- if open_tag == tag:
- break
- tags_to_reopen.append(open_tag)
-
- for tag in tags_to_reopen:
- self._open_tags.append(tag)
- xml += self.serialize_tag_start(tag, it)
-
- for tag in it.get_toggled_tags(True):
- self._open_tags.append(tag)
- xml += self.serialize_tag_start(tag, it)
-
- xml += buf.get_text(it, next_it, False)
-
- if next_it.is_end():
- self._open_tags.reverse()
- for tag in self._open_tags:
- xml += self.serialize_tag_end(tag)
-
- xml += "</richtext>"
-
- return xml
-
- def deserialize(self, xml_string, buf):
- parser = xml.sax.make_parser()
- handler = RichTextHandler(self, buf)
- parser.setContentHandler(handler)
- parser.feed(xml_string)
- parser.close()
-
-def test_quit(window, rich_buf):
- print RichTextSerializer().serialize(rich_buf)
- gtk.main_quit()
-
-def link_clicked(view, address):
- print "Link clicked " + address
-
-if __name__ == "__main__":
- window = gtk.Window()
- window.set_default_size(400, 300)
-
- vbox = gtk.VBox()
-
- view = RichTextView()
- view.connect("link-clicked", link_clicked)
- vbox.pack_start(view)
- view.show()
-
- rich_buf = view.get_buffer()
-
- xml_string = "<richtext>"
-
- xml_string += "<bold><italic>Test</italic>one</bold>\n"
- xml_string += "<bold><italic>Test two</italic></bold>"
- xml_string += "<font size=\"xx-small\">Test three</font>"
- xml_string += "<link href=\"http://www.gnome.org\">Test link</link>"
- xml_string += "</richtext>"
-
- RichTextSerializer().deserialize(xml_string, rich_buf)
-
- toolbar = RichTextToolbar(rich_buf)
- vbox.pack_start(toolbar, False)
- toolbar.show()
-
- window.add(vbox)
- vbox.show()
-
- window.show()
-
- window.connect("destroy", test_quit, rich_buf)
-
- gtk.main()
generated by cgit v0.9.1 at 2024-05-01 04:07:17 (GMT)