diff options
Diffstat (limited to 'Speak.activity/eye.py')
| -rw-r--r-- | Speak.activity/eye.py | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/Speak.activity/eye.py b/Speak.activity/eye.py index 824289c..72d9170 100644 --- a/Speak.activity/eye.py +++ b/Speak.activity/eye.py @@ -1,4 +1,24 @@ -#! /usr/bin/python +# Speak.activity +# A simple front end to the espeak text-to-speech engine on the XO laptop +# +# Copyright (C) 2008 Joshua Minor +# This file is part of Speak.activity +# +# Parts of Speak.activity are based on code from Measure.activity +# Copyright (C) 2007 Arjun Sarwal - arjun@laptop.org +# +# Speak.activity 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 3 of the License, or +# (at your option) any later version. +# +# Foobar 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 Foobar. If not, see <http://www.gnu.org/licenses/>. import pygtk import gtk @@ -12,19 +32,33 @@ class Eye(gtk.DrawingArea): gtk.DrawingArea.__init__(self) self.connect("expose_event",self.expose) self.frame = 0 - # instead of listening for mouse move events we poll to see if the mouse has moved - # this is so we can react to the mouse even when it isn't directly over this widget - gobject.timeout_add(100, self._timeout_cb) - self.mousePosition = self.get_mouse() + self.blink = False + + # listen for clicks + self.add_events(gtk.gdk.BUTTON_PRESS_MASK) + self.add_events(gtk.gdk.BUTTON_RELEASE_MASK) + self.connect("button_press_event", self._mouse_pressed_cb) + self.connect("button_release_event", self._mouse_released_cb) + + # Instead of listening for mouse move events we could poll to see if the mouse has moved + # would let us react to the mouse even when it isn't directly over this widget. + # Unfortunately that would cause a lot of CPU usage. So instead we rely on our parent to + # tell us to redraw when the mouse has moved. We still need to call add_events so that + # our parent will get mouse motion events, but we don't connect the callback for them ourselves. + self.add_events(gtk.gdk.POINTER_MOTION_MASK) + # self.connect("motion_notify_event", self._mouse_moved_cb) - def _timeout_cb(self): - # only redraw if the mouse has moved - newPosition = self.get_mouse() - if newPosition != self.mousePosition: - self.queue_draw() - self.mousePosition = newPosition - return True + def _mouse_moved_cb(self, widget, event): + self.queue_draw() + def _mouse_pressed_cb(self, widget, event): + self.blink = True + self.queue_draw() + + def _mouse_released_cb(self, widget, event): + self.blink = False + self.queue_draw() + def get_mouse(self): display = gtk.gdk.display_get_default() screen, mouseX, mouseY, modifiers = display.get_pointer() @@ -34,7 +68,7 @@ class Eye(gtk.DrawingArea): self.frame += 1 bounds = self.get_allocation() - mouseX, mouseY = self.mousePosition + mouseX, mouseY = self.get_mouse() eyeSize = min(bounds.width, bounds.height) outlineWidth = eyeSize/20.0 @@ -77,4 +111,6 @@ class Eye(gtk.DrawingArea): self.context.set_source_rgb(0,0,0) self.context.fill() + self.blink = False + return True |