diff options
Diffstat (limited to 'Touch/activity.py')
| -rw-r--r-- | Touch/activity.py | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/Touch/activity.py b/Touch/activity.py deleted file mode 100644 index 3769329..0000000 --- a/Touch/activity.py +++ /dev/null @@ -1,189 +0,0 @@ -# Copyright (c) 2012 Bert Freudenberg -# -# Permission is hereby granted, free of charge, to any person obtaining -# a copy of this software and associated documentation files (the -# "Software"), to deal in the Software without restriction, including -# without limitation the rights to use, copy, modify, merge, publish, -# distribute, sublicense, and/or sell copies of the Software, and to -# permit persons to whom the Software is furnished to do so, subject to -# the following conditions: -# -# The above copyright notice and this permission notice shall be -# included in all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - - -""" -Activity: TestMultiTouch -Shows multi-touch events -""" - -from gi.repository import Gtk -from gi.repository import Gdk -from random import random -from math import pi as M_PI - -from sugar3.activity import activity -from sugar3.graphics.toolbarbox import ToolbarBox -from sugar3.activity.widgets import ActivityButton -from sugar3.activity.widgets import TitleEntry -from sugar3.activity.widgets import StopButton -from sugar3.activity.widgets import ShareButton -from sugar3.activity.widgets import DescriptionItem - -class TestMultiTouchActivity(activity.Activity): - - def __init__(self, handle): - activity.Activity.__init__(self, handle) - # Change the following number to change max participants - self.max_participants = 1 - - toolbar_box = ToolbarBox() - - activity_button = ActivityButton(self) - toolbar_box.toolbar.insert(activity_button, 0) - activity_button.show() - - title_entry = TitleEntry(self) - toolbar_box.toolbar.insert(title_entry, -1) - title_entry.show() - - description_item = DescriptionItem(self) - toolbar_box.toolbar.insert(description_item, -1) - description_item.show() - - share_button = ShareButton(self) - toolbar_box.toolbar.insert(share_button, -1) - share_button.show() - - separator = Gtk.SeparatorToolItem() - separator.props.draw = False - separator.set_expand(True) - toolbar_box.toolbar.insert(separator, -1) - separator.show() - - stop_button = StopButton(self) - toolbar_box.toolbar.insert(stop_button, -1) - stop_button.show() - - self.set_toolbar_box(toolbar_box) - toolbar_box.show() - - # main view - touch_area = TouchArea() - self.set_canvas(touch_area) - touch_area.show() - - -class TouchArea(Gtk.DrawingArea): - - def __init__(self): - Gtk.DrawingArea.__init__(self) - self.fingers = {} - self.set_events(Gdk.EventMask.TOUCH_MASK) - self.connect('draw', self.__draw_cb) - self.connect('event', self.__event_cb) - - def __event_cb(self, widget, event): - if event.type in ( - Gdk.EventType.TOUCH_BEGIN, - Gdk.EventType.TOUCH_UPDATE, - Gdk.EventType.TOUCH_CANCEL, - Gdk.EventType.TOUCH_END): - # sequence is a void ptr object identifying the finger - # we make it a string for use as dict key - seq = str(event.touch.sequence) - if event.type == Gdk.EventType.TOUCH_BEGIN: - new_finger = Finger(event) - self.fingers[seq] = new_finger - self.remove_inactive_fingers(new_finger) - else: - self.fingers[seq].update(event) - self.queue_draw() - - def __draw_cb(self, widget, ctx): - alloc = self.get_allocation() - ctx.set_source_rgb(1, 1, 1) - ctx.paint() - for f in self.fingers: - self.fingers[f].draw(ctx, alloc.width, alloc.height) - - def remove_inactive_fingers(self, new_finger): - for f,old_finger in list(self.fingers.items()): - if not old_finger.active: - del self.fingers[f] - if new_finger.time - old_finger.time < 300: - new_finger.remember(old_finger) - - -class Finger: - - def __init__(self, event): - self.trail = [ Point(event.touch.x, event.touch.y) ] - self.color = (random(), random(), random()) - self.time = event.touch.time - self.active = True - self.other = None - - def update(self, event): - self.time = event.touch.time - if event.type == Gdk.EventType.TOUCH_UPDATE: - self.trail.append( Point(event.touch.x, event.touch.y) ) - elif event.type == Gdk.EventType.TOUCH_END: - self.active = False - elif event.type == Gdk.EventType.TOUCH_CANCEL: - self.active = False - self.color = (1, 0, 0) - - def remember(self, finger): - if self.other: - finger.remember(self.other) - self.other = finger - - def draw(self, ctx, width, height): - if self.other: - self.other.draw(ctx, width, height) - (r, g, b) = self.color - ctx.set_source_rgb(r, g, b) - self.draw_trail(ctx) - if self.active: - self.draw_touch(ctx) - ctx.set_source_rgb(0.5, 0.5, 0.5) - self.draw_crosshair(ctx, width, height) - - def draw_crosshair(self, ctx, width, height): - p = self.trail[-1] - ctx.set_line_width(1) - ctx.move_to(p.x, 0) - ctx.line_to(p.x, height) - ctx.move_to(0, p.y) - ctx.line_to(width, p.y) - ctx.stroke() - - def draw_touch(self, ctx): - p = self.trail[-1] - ctx.set_line_width(10) - ctx.arc(p.x, p.y, 30, 0, 2 * M_PI) - ctx.stroke() - - def draw_trail(self, ctx): - ctx.set_line_width(5) - p = self.trail[0] - ctx.move_to(p.x, p.y) - for p in self.trail: - ctx.line_to(p.x, p.y) - ctx.stroke() - - -class Point: - - def __init__(self, x, y): - self.x = x - self.y = y |