| [4] | 1 | ############################################################################
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| 2 | #
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| 3 | # SAGE UI - A Graphical User Interface for SAGE
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| 4 | # Copyright (C) 2005 Electronic Visualization Laboratory,
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| 5 | # University of Illinois at Chicago
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| 6 | #
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| 7 | # All rights reserved.
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| 8 | #
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| 9 | # Redistribution and use in source and binary forms, with or without
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| 10 | # modification, are permitted provided that the following conditions are met:
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| 11 | #
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| 12 | # * Redistributions of source code must retain the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer.
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| 14 | # * Redistributions in binary form must reproduce the above
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| 15 | # copyright notice, this list of conditions and the following disclaimer
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| 16 | # in the documentation and/or other materials provided with the distribution.
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| 17 | # * Neither the name of the University of Illinois at Chicago nor
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| 18 | # the names of its contributors may be used to endorse or promote
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| 19 | # products derived from this software without specific prior written permission.
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| 20 | #
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| 21 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 22 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 23 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 24 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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| 25 | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 27 | # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 28 | # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 29 | # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 30 | # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 31 | # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 32 | #
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| 33 | # Direct questions, comments etc about SAGE UI to www.evl.uic.edu/cavern/forum
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| 34 | #
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| 35 | # Author: Ratko Jagodic
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| 36 | #
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| 37 | ############################################################################
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| 38 |
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| 39 |
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| 40 |
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| 41 | import wx, time
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| 42 | from SAGEDrawObject import PointerObject
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| 43 |
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| 44 |
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| 45 | class DeviceManager:
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| 46 | """ An object that brings all the devices under one roof and manages them """
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| 47 | def __init__(self, sageData, sageGate):
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| 48 | self.sageData = sageData
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| 49 | self.sageGate = sageGate
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| 50 | self.minAppSize = 250
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| 51 | self.pointers = {} # key=pointerId, value=PointerObject
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| 52 |
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| 53 |
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| 54 | def __addPointerObject(self, pointerId):
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| 55 | if pointerId not in self.pointers:
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| 56 | self.pointers[pointerId] = PointerObject(pointerId, self.sageGate)
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| 57 | return self.pointers[pointerId]
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| 58 |
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| 59 |
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| 60 | def processMouseMove(self, pointerId, x, y):
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| 61 | ptr = self.__addPointerObject(pointerId)
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| 62 | (app, regionId) = self.sageData.checkHits(x,y)
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| 63 | if ptr.leftDown:
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| 64 | # release the mouse button after 15 secs
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| 65 | if time.time() - ptr.leftDownTime > 15:
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| 66 | self.processMouseUp(pointerId, x, y)
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| 67 | return
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| 68 |
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| 69 | ptr.updateRegion(regionId, app)
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| 70 |
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| 71 | if regionId > 0:
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| 72 | if ptr.lastRegion != ptr.region: # corner
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| 73 | ptr.showResizePointer()
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| 74 | elif ptr.lastRegion[0] > 0: # it was on a corner previously and now it's not
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| 75 | ptr.reset()
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| 76 | ptr.lastRegion = [regionId, app]
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| 77 |
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| 78 | #self.sageGate.movePointer(pointerId, dx, dy)
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| 79 |
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| 80 |
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| 81 | def processMouseDown(self, pointerId, x, y):
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| 82 | ptr = self.__addPointerObject(pointerId)
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| 83 | (app, regionId) = self.sageData.checkHits(x,y)
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| 84 | if regionId < 0 or app.hasCapture():
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| 85 | return
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| 86 |
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| 87 | # record the info about this click
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| 88 | ptr.onMouseDown(app, regionId, x, y)
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| 89 |
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| 90 | # process the click
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| 91 | if regionId == 0:
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| 92 | app.captureMouse(pointerId)
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| 93 | self.__handleAppWindowHit(pointerId, app.getId())
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| 94 | else:
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| 95 | app.captureMouse(pointerId)
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| 96 | self.__handleAppCornerHit(pointerId, app.getId(), regionId)
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| 97 |
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| 98 |
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| 99 |
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| 100 | def processMouseUp(self, pointerId, x, y):
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| 101 | ptr = self.__addPointerObject(pointerId)
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| 102 | if not ptr.leftDown: return
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| 103 |
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| 104 | ptr.onMouseUp()
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| 105 |
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| 106 | if ptr.lastRegion[0] == 0: # move
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| 107 | ptr.lastRegion[1].releaseMouse()
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| 108 | # bring the app to front if necessary and then move it
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| 109 | if self.sageData.getTopApp()[0] != ptr.lastRegion[1].getId():
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| 110 | self.sageGate.bringToFront(ptr.lastRegion[1].getId())
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| 111 | self.sageGate.moveWindow(ptr.lastRegion[1].getId(), x-ptr.clickPos[0], y-ptr.clickPos[1])
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| 112 |
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| 113 | elif ptr.lastRegion[0] > 0: # resize
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| 114 | (l,r,t,b) = ptr.lastRegion[1].getBounds()
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| 115 | w = r-l
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| 116 | h = t-b
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| 117 | aspectRatio = w/float(h)
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| 118 | ptr.lastRegion[1].releaseMouse()
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| 119 |
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| 120 | # don't allow resizing below minAppSize
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| 121 | dx = x-ptr.clickPos[0]
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| 122 | if ptr.lastRegion[0] == 1:
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| 123 | l+=dx; b=b+dx/aspectRatio
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| 124 | if r-l < self.minAppSize: l = r - self.minAppSize
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| 125 | if t-b < self.minAppSize: b = t - self.minAppSize
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| 126 | elif ptr.lastRegion[0] == 2:
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| 127 | l+=dx; t=t-dx/aspectRatio
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| 128 | if r-l < self.minAppSize: l = r - self.minAppSize
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| 129 | if t-b < self.minAppSize: t = b + self.minAppSize
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| 130 | elif ptr.lastRegion[0] == 3:
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| 131 | r+=dx; t=t+dx/aspectRatio
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| 132 | if r-l < self.minAppSize: r = l + self.minAppSize
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| 133 | if t-b < self.minAppSize: t = b + self.minAppSize
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| 134 | elif ptr.lastRegion[0] == 4:
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| 135 | r+=dx; b=b-dx/aspectRatio
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| 136 | if r-l < self.minAppSize: r = l + self.minAppSize
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| 137 | if t-b < self.minAppSize: b = t - self.minAppSize
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| 138 |
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| 139 | self.sageGate.resizeWindow(ptr.lastRegion[1].getId(), l, r, b, t)
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| 140 |
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| 141 |
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| 142 |
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| 143 | def __handleAppCornerHit(self, pointerId, windowId, cornerId):
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| 144 | """ a corner of a window was hit """
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| 145 | (l,r,t,b) = self.sageData.getApp(windowId).getBounds()
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| 146 | self.sageGate.setMouseResizeState(pointerId, cornerId, l, r, t, b)
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| 147 |
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| 148 |
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| 149 | def __handleAppWindowHit(self, pointerId, windowId):
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| 150 | """ an app window was hit but not the corner """
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| 151 | (l,r,t,b) = self.sageData.getApp(windowId).getBounds()
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| 152 | self.sageGate.setMouseMoveState(pointerId, l, r, t, b)
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| 153 |
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| 154 |
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| 155 |
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| 156 |
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| 157 |
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| 158 |
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| 159 | class PollTimer(wx.Timer):
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| 160 | def SetCallback(self, cb):
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| 161 | self.callback = cb
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| 162 | def Notify(self):
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| 163 | self.callback()
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| 164 |
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| 165 |
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| 166 |
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| 167 |
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| 168 | class Pointers:
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| 169 | """ main class that keeps track of and manages all the devices on this machine """
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| 170 | def __init__(self, sageGate, sageData):
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| 171 | self.sageGate = sageGate
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| 172 | self.sageData = sageData
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| 173 | self.dispSize = sageData.getSageDisplayInformation()[3:5]
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| 174 | self.devManager = DeviceManager(sageData, sageGate)
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| 175 |
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| 176 | # out devices
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| 177 | self.numJoy = wx.Joystick().GetNumberJoysticks()
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| 178 | self.joysticks = {}
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| 179 | self.__addJoystick()
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| 180 | ## self.mouse = None # it will be MousePointer
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| 181 |
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| 182 | # start the timer that will periodically poll the devices
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| 183 | self.t = PollTimer()
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| 184 | period = 50 # poll X times/sec (roughly)
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| 185 | self.t.SetCallback(self.poll)
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| 186 | self.t.Start(1000/period)
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| 187 |
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| 188 |
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| 189 | def __addJoystick(self):
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| 190 | self.sageGate.registerCallbackFunction( 40018, self.onNewJoystickDevice )
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| 191 | if len(self.joysticks) < self.numJoy:
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| 192 | self.sageGate.addPointer()
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| 193 | ## else:
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| 194 | ## print "adding a mouse!"
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| 195 | ## self.sageGate.registerCallbackFunction( 40018, self.onNewMouseDevice )
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| 196 | ## self.sageGate.addPointer()
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| 197 |
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| 198 |
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| 199 | def onNewJoystickDevice(self, data):
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| 200 | pointerId = int(data.split()[0])
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| 201 | self.joysticks[pointerId] = JoyPointer( self.dispSize, pointerId, \
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| 202 | len(self.joysticks), \
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| 203 | self.onButtonDown, self.onButtonUp )
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| 204 | self.sageGate.showObject(pointerId)
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| 205 | if len(self.joysticks) < self.numJoy: #add another one
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| 206 | self.sageGate.addPointer()
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| 207 | ## else: # finally add a mouse
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| 208 | ## self.sageGate.registerCallbackFunction( 40018, self.onNewMouseDevice )
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| 209 | ## self.sageGate.addPointer()
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| 210 |
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| 211 |
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| 212 | ## def onNewMouseDevice(self, data):
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| 213 | ## pointerId = int(data.split()[0])
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| 214 | ## self.sageGate.showObject(pointerId)
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| 215 | ## self.mouse = MousePointer(self.dispSize, pointerId, self.onButtonDown, self.onButtonUp)
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| 216 |
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| 217 |
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| 218 | ## def shareMouse(self):
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| 219 | ## if self.mouse:
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| 220 | ## self.mouse.start()
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| 221 |
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| 222 |
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| 223 | def stop(self):
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| 224 | if self.t.IsRunning():
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| 225 | self.t.Stop()
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| 226 |
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| 227 | for pointerId in self.joysticks.iterkeys():
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| 228 | self.sageGate.removePointer(pointerId)
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| 229 | ## if self.mouse:
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| 230 | ## self.sageGate.removePointer(self.mouse.getId())
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| 231 |
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| 232 |
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| 233 | def onButtonDown(self, pointerId, btn, x, y):
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| 234 | self.devManager.processMouseDown(pointerId, x, y)
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| 235 |
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| 236 |
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| 237 | def onButtonUp(self, pointerId, btn, x, y):
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| 238 | self.devManager.processMouseUp(pointerId, x, y)
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| 239 |
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| 240 |
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| 241 | def poll(self):
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| 242 | """ here we poll the device just for their position
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| 243 | the button clicks are dealt with through event handling
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| 244 | """
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| 245 | for id, joy in self.joysticks.iteritems():
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| 246 | dX, dY = joy.getPos()
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| 247 | if dX != 0 or dY != 0:
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| 248 | self.devManager.processMouseMove(id, joy.getX(), joy.getY())
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| 249 | self.sageGate.movePointer(id, dX, dY)
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| 250 |
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| 251 | ## if self.mouse and self.mouse.isShared():
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| 252 | ## dX, dY = self.mouse.getPos()
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| 253 | ## if dX != 0 or dY != 0:
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| 254 | ## self.devManager.processMouseMove(self.mouse.getId(), self.mouse.getX(), self.mouse.getY())
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| 255 | ## print "moving pointer to", dX, dY
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| 256 | ## self.sageGate.movePointer(self.mouse.getId(), dX, dY)
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| 257 |
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| 258 |
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| 259 |
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| 260 | class JoyPointer:
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| 261 | def __init__(self, dispSize, pointerId, deviceId, onDown, onUp):
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| 262 | self.dispSize = dispSize
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| 263 | self.pointerId = pointerId
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| 264 | self.onDown = onDown
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| 265 | self.onUp = onUp
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| 266 | self.x = self.y = 100
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| 267 |
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| 268 | # the top frame will capture all our joystick events
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| 269 | self.win = wx.GetApp().GetTopWindow()
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| 270 | self.joy = wx.Joystick(deviceId)
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| 271 | self.joy.SetCapture(self.win)
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| 272 | self.win.Bind(wx.EVT_JOY_BUTTON_DOWN, self.onButton)
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| 273 | self.win.Bind(wx.EVT_JOY_BUTTON_UP, self.onButton)
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| 274 |
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| 275 | # analog axis parameters and calibration values
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| 276 | # we'll make an assumption that both axis have the
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| 277 | # same range of values
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| 278 | xmin = self.joy.GetXMin()
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| 279 | xmax = self.joy.GetXMax()
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| 280 | rng = abs(xmax - xmin)
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| 281 | self.centerX = abs( int((xmin + xmax)/2)) #so that 0 <-> max and -max/2 <-> max/2 both work
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| 282 | self.drift = int(0.08*rng)
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| 283 | self.usefulRange = abs( int( rng/2 - self.drift) )
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| 284 |
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| 285 | # for converting the movement from joystick axis position
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| 286 | # to pixel distance on the SAGE display
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| 287 | # it depends on the joystick position AND on the display size
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| 288 | joyToMouseRatio = 70
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| 289 | displayFactor = dispSize[0] / 10000.0 + 0.2
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| 290 | self.moveRatio = joyToMouseRatio * displayFactor
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| 291 |
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| 292 |
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| 293 | def getId(self):
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| 294 | return self.pointerId
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| 295 |
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| 296 |
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| 297 | def getX(self):
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| 298 | return self.x
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| 299 |
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| 300 |
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| 301 | def getY(self):
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| 302 | return self.y
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| 303 |
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| 304 |
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| 305 | def onButton(self, evt):
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| 306 | """ left=1, right=2, middle=3 """
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| 307 | btn = -1
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| 308 |
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| 309 | if evt.GetButtonChange() == 0: btn = 1
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| 310 | elif evt.GetButtonChange() == wx.JOY_BUTTON1: btn = 2
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| 311 | elif evt.GetButtonChange() == wx.JOY_BUTTON2: btn = 3
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| 312 | elif evt.GetButtonChange() == wx.JOY_BUTTON3: btn = 4
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| 313 | if btn == -1: return #dont act on any other button
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| 314 |
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| 315 | if evt.ButtonUp():
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| 316 | self.onUp(self.pointerId, btn, self.x, self.y)
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| 317 | else:
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| 318 | self.onDown(self.pointerId, btn, self.x, self.y)
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| 319 |
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| 320 |
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| 321 | def getPos(self):
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| 322 | """ returns (x, y) """
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| 323 |
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| 324 | # get the analog axis position and map it to some
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| 325 | # pixel distance in sage coordinates
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| 326 | (dx,dy) = self.joy.GetPosition()
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| 327 | (dx,dy) = self.toSAGECoords(dx,dy)
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| 328 |
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| 329 | dx = int(round(dx))
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| 330 | dy = int(round(dy))
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| 331 |
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| 332 | # keep the pointer inside the display
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| 333 | if self.x + dx < 0:
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| 334 | dx = -self.x
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| 335 | elif self.x + dx > self.dispSize[0]:
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| 336 | dx = self.dispSize[0] - self.x
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| 337 | if self.y + dy < 0:
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| 338 | dy = -self.y
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| 339 | elif self.y + dy > self.dispSize[1]:
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| 340 | dy = self.dispSize[1] - self.y
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| 341 |
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| 342 | # accumulate the position
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| 343 | self.x += dx
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| 344 | self.y += dy
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| 345 |
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| 346 | return dx, dy
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| 347 |
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| 348 |
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| 349 | def toSAGECoords(self, x, y):
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| 350 | # first map the values from 0-max to -max/2 to max/2 (if needed)
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| 351 | x -= self.centerX
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| 352 | y -= self.centerX
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| 353 |
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| 354 | # apply the movement threshold and get the normalized crds
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| 355 | if abs(x) <= self.drift:
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| 356 | x = 0
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| 357 | else:
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| 358 | if x > 0: x = float(x-self.drift)/self.usefulRange
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| 359 | else: x = float(x+self.drift)/self.usefulRange
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| 360 | x *= self.moveRatio #50
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| 361 |
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| 362 | if abs(y) <= self.drift:
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| 363 | y = 0
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| 364 | else:
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| 365 | if y > 0: y = float(y-self.drift)/self.usefulRange
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| 366 | else: y = float(y+self.drift)/self.usefulRange
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| 367 | y *= -self.moveRatio #(-50)
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| 368 |
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| 369 | return (x,y)
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| 370 |
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| 371 |
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| 372 |
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| 373 |
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| 374 | ## class MousePointer:
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| 375 | ## def __init__(self, dispSize, pointerId, onDown, onUp):
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| 376 | ## self.dispSize = dispSize
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| 377 | ## self.pointerId = pointerId
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| 378 | ## self.onDown = onDown
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| 379 | ## self.onUp = onUp
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| 380 | ## self.screenSize = wx.GetDisplaySize()
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| 381 | ## self.frame = wx.GetApp().GetTopWindow()
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| 382 |
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| 383 | ## # figure out the mapping between the local screen and the display
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| 384 | ## i = self.dispSize.index( max(self.dispSize[0], self.dispSize[1]) )
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| 385 | ## self.moveRatio = self.dispSize[i] / float(self.screenSize[i])
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| 386 | ## self.x = self.y = 100
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| 387 | ## self.__shared = False
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| 388 |
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| 389 |
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| 390 | ## def getX(self):
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| 391 | ## return self.x
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| 392 |
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| 393 |
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| 394 | ## def getY(self):
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| 395 | ## return self.y
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| 396 |
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| 397 |
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| 398 | ## def getId(self):
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| 399 | ## return self.pointerId
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| 400 |
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| 401 |
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| 402 | ## def isShared(self):
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| 403 | ## return self.__shared
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| 404 |
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| 405 |
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| 406 | ## def makeControls(self):
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| 407 | ## winSize = (400, 200)
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| 408 | ## winPos = (self.screenSize[0]/2 - winSize[0]/2, self.screenSize[1]/2 - winSize[1]/2)
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| 409 | ## self.dlg = wx.Frame(self.frame, wx.ID_ANY, "", \
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| 410 | ## winPos, winSize)
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| 411 | ## self.dlg.Bind(wx.EVT_CLOSE, self.onClose)
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| 412 | ## self.dlg.Bind(wx.EVT_KEY_DOWN, self.onKey)
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| 413 | ## self.dlg.Bind(wx.EVT_LEFT_DOWN, self.onButton)
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| 414 | ## self.dlg.Bind(wx.EVT_RIGHT_DOWN, self.onButton)
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| 415 | ## self.dlg.Bind(wx.EVT_MIDDLE_DOWN, self.onButton)
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| 416 | ## self.dlg.Bind(wx.EVT_LEFT_UP, self.onButton)
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| 417 | ## self.dlg.Bind(wx.EVT_RIGHT_UP, self.onButton)
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| 418 | ## self.dlg.Bind(wx.EVT_MIDDLE_UP, self.onButton)
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| 419 |
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| 420 | ## sizer = wx.BoxSizer(wx.VERTICAL)
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| 421 | ## label = wx.StaticText(self.dlg, wx.ID_ANY, "Press ESC to stop sharing your mouse")
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| 422 | ## sizer.Add(label, 0, wx.ALIGN_CENTER | wx.BOTTOM | wx.LEFT | wx.RIGHT, border=5)
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| 423 | ## self.dlg.SetSizer(sizer)
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| 424 | ## self.dlg.CaptureMouse()
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| 425 | ## self.__shared = True
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| 426 | ## self.dlg.Show()
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| 427 |
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| 428 |
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| 429 | ## def onClose(self, evt):
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| 430 | ## self.stop()
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| 431 |
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| 432 |
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| 433 | ## def onKey(self, evt):
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| 434 | ## if evt.GetKeyCode() == wx.WXK_ESCAPE:
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| 435 | ## self.Close(True)
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| 436 | ## else:
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| 437 | ## evt.Skip()
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| 438 |
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| 439 |
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| 440 | ## def onButton(self, evt):
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| 441 | ## btn = -1
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| 442 | ## if evt.Button(wx.MOUSE_BTN_LEFT): btn = 1
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| 443 | ## elif evt.Button(wx.MOUSE_BTN_RIGHT): btn = 2
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| 444 | ## elif evt.Button(wx.MOUSE_BTN_MIDDLE): btn = 3
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| 445 |
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| 446 | ## if btn == -1: return #dont act on any other button
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| 447 |
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| 448 | ## if evt.ButtonUp():
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| 449 | ## self.onUp(self.pointerId, btn, self.x, self.y)
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| 450 | ## else:
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| 451 | ## self.onDown(self.pointerId, btn, self.x, self.y)
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| 452 |
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| 453 |
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| 454 | ## def start(self):
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| 455 | ## self.makeControls()
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| 456 |
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| 457 |
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| 458 | ## def stop(self):
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| 459 | ## self.__shared = False
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|---|
| 460 | ## if self.dlg.HasCapture():
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| 461 | ## self.dlg.ReleaseMouse()
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|---|
| 462 | ## self.dlg.Destroy()
|
|---|
| 463 |
|
|---|
| 464 |
|
|---|
| 465 | ## def getPos(self):
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|---|
| 466 | ## # get the new mouse position and figure out how
|
|---|
| 467 | ## # much it moved in sage coordinates
|
|---|
| 468 | ## p = wx.GetMousePosition().Get()
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|---|
| 469 | ## newPos = [ int(p[0]*self.moveRatio), int(p[1]*self.moveRatio) ]
|
|---|
| 470 | ## dx = newPos[0] - self.x
|
|---|
| 471 | ## dy = newPos[1] - self.y
|
|---|
| 472 |
|
|---|
| 473 | ## # keep the pointer inside the display
|
|---|
| 474 | ## if self.x + dx < 0:
|
|---|
| 475 | ## dx = -self.x
|
|---|
| 476 | ## elif self.x + dx > self.dispSize[0]:
|
|---|
| 477 | ## dx = self.dispSize[0] - self.x
|
|---|
| 478 | ## if self.y + dy < 0:
|
|---|
| 479 | ## dy = -self.y
|
|---|
| 480 | ## elif self.y + dy > self.dispSize[1]:
|
|---|
| 481 | ## dy = self.dispSize[1] - self.y
|
|---|
| 482 |
|
|---|
| 483 | ## # accumulate the position
|
|---|
| 484 | ## self.x += dx
|
|---|
| 485 | ## self.y += dy
|
|---|
| 486 |
|
|---|
| 487 | ## return dx, dy
|
|---|
| 488 |
|
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