/usr/lib/python2.7/dist-packages/libavg/mtemu.py is in python-libavg 1.8.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
# libavg - Media Playback Engine.
# Copyright (C) 2003-2014 Ulrich von Zadow
#
# 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Current versions can be found at www.libavg.de
# Original author of this file is Sebastian Maulbeck
# <sm (at) archimedes-solutions (dot) de>
'''
Multitouch emulation helper, supporting pinch gestures
'''
from libavg import avg, Point2D, player
class MTemu(object):
MOUSE_STATE_UP = 'MOUSE_STATE_UP'
MOUSE_STATE_DOWN = 'MOUSE_STATE_DOWN'
def __init__(self):
self.__mouseState = self.MOUSE_STATE_UP
self.__cursorID = 0
self.__dualTouch = False
self.__secondTouch = False
self.__source = avg.Event.TOUCH
self.__oldEventHook = player.getEventHook()
player.setEventHook(self.__onEvent)
root = player.getRootNode()
self.__caption = avg.WordsNode(pos=(root.size.x - 15, root.size.y - 20),
alignment = 'right',
color='DDDDDD',
sensitive=False,
fontsize=14,
parent=root)
self.__updateCaption()
def deinit(self):
player.setEventHook(self.__oldEventHook)
self.__caption.unlink()
if self.__mouseState == self.MOUSE_STATE_DOWN:
self.__releaseTouch(self.__cursorID)
if self.__secondTouch:
self.__releaseTouch(self.__cursorID+1)
def toggleSource(self):
'''
Switch between avg.Event.TOUCH and avg.Event.TRACK - source
'''
self.__clearSourceState()
self.__source = (avg.Event.TOUCH if self.__source == avg.Event.TRACK
else avg.Event.TRACK)
self.__updateCaption()
def toggleDualTouch(self):
self.__dualTouch = not(self.__dualTouch)
self.__clearDualtouchState()
def enableDualTouch(self):
self.__dualTouch = True
self.__clearDualtouchState()
def disableDualTouch(self):
self.__dualTouch = False
self.__clearDualtouchState()
def __clearSourceState(self):
if self.__mouseState == self.MOUSE_STATE_DOWN:
self.__releaseTouch(self.__cursorID)
if self.__secondTouch:
self.__releaseTouch(self.__cursorID+1)
self.__mouseState = self.MOUSE_STATE_UP
self.__secondTouch = False
def __clearDualtouchState(self):
if self.__mouseState == self.MOUSE_STATE_DOWN:
if self.__secondTouch:
self.__releaseTouch(self.__cursorID+1)
else:
self.__sendFakeTouch(self.__cursorID+1, Point2D(0,0),
avg.Event.CURSOR_DOWN, mirror=True)
self.__secondTouch = not(self.__secondTouch)
def __updateCaption(self):
self.__caption.text = 'Multitouch emulation (%s source)' % self.__source
def __onEvent(self, event):
if event.source == avg.Event.MOUSE:
if event.type == avg.Event.CURSOR_DOWN:
self.__onMouseDown(event)
elif event.type == avg.Event.CURSOR_MOTION:
self.__onMouseMotion(event)
elif event.type == avg.Event.CURSOR_UP:
self.__onMouseUp(event)
return True
else:
return False
def __onMouseDown(self, event):
self._initialPos = event.pos
if self.__mouseState == self.MOUSE_STATE_UP and event.button == 1:
self.__sendFakeTouch(self.__cursorID, event.pos, event.type)
if self.__dualTouch and not self.__secondTouch:
self.__sendFakeTouch(self.__cursorID+1, event.pos, event.type,
True)
self.__secondTouch = True
self.__mouseState = self.MOUSE_STATE_DOWN
def __onMouseMotion(self, event):
if self.__mouseState == self.MOUSE_STATE_DOWN:
self.__sendFakeTouch(self.__cursorID, event.pos, event.type)
if self.__dualTouch and self.__secondTouch:
self.__sendFakeTouch(self.__cursorID+1, event.pos,
event.type, True)
def __onMouseUp(self, event):
if self.__mouseState == self.MOUSE_STATE_DOWN and event.button == 1:
self.__sendFakeTouch(self.__cursorID, event.pos, event.type)
if self.__dualTouch and self.__secondTouch:
self.__sendFakeTouch(self.__cursorID+1, event.pos,
event.type, True)
self.__secondTouch = False
self.__mouseState = self.MOUSE_STATE_UP
self.__cursorID += 2 #Even for left uneven for right touch
def __sendFakeTouch(self, cursorID, pos, touchType, mirror=False):
offset = Point2D(0,0)
if self.__dualTouch:
offset = Point2D(40, 0)
if mirror:
pos = 2*(self._initialPos)-pos
offset = -offset
player.getTestHelper().fakeTouchEvent(cursorID,
touchType, self.__source, self.__clampPos(pos+offset))
def __releaseTouch(self, cursorID):
self.__sendFakeTouch(cursorID, Point2D(0,0), avg.Event.CURSOR_UP)
def __clampPos(self, pos):
if pos[0] < 0:
pos[0] = 0
if pos[1] < 0:
pos[1] = 0
if pos[0] >= player.getRootNode().size[0]:
pos[0] = player.getRootNode().size[0]-1
if pos[1] >= player.getRootNode().size[1]:
pos[1] = player.getRootNode().size[1]-1
return pos
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