| 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 | from globals import *
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| 42 | import time
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| 43 |
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| 44 | class SageDrawObject:
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| 45 | """ describes a base class for a sage draw object """
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| 46 | def __init__(self, objectId, objectType, sageGate):
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| 47 | self.objectId = objectId
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| 48 | self.objectType = objectType
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| 49 | self.visible = False
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| 50 | self.sageGate = sageGate
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| 51 |
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| 52 | def getId(self):
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| 53 | return self.objectId
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| 54 |
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| 55 | def getType(self):
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| 56 | return self.objectType
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| 57 |
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| 58 | def isVisible(self):
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| 59 | return self.visible
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| 60 |
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| 61 | def show(self):
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| 62 | if not self.visible:
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| 63 | self.visible = True
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| 64 | self.sageGate.showObject(self.objectId)
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| 65 |
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| 66 | def hide(self):
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| 67 | if self.visible:
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| 68 | self.visible = False
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| 69 | self.sageGate.hideObject(self.objectId)
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| 70 |
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| 71 |
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| 72 |
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| 73 |
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| 74 |
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| 75 | class PointerObject(SageDrawObject):
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| 76 | """ describes a sage draw object for pointers """
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| 77 | def __init__(self, objectId, sageGate):
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| 78 | SageDrawObject.__init__(self, objectId, POINTER_TYPE, sageGate)
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| 79 | self.clickPos = [-1,-1] # last click position [x,y]
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| 80 | self.lastRegion = [-1, None] # [regionId, app]
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| 81 | self.region = [-1, None] # [regionId, app]
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| 82 | self.state = PTR_NORMAL_STATE # controls all the drawing of the pointer
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| 83 | self.ptrState = PTR_NORMAL_STATE # only used to control the drawing of the cursor itself
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| 84 | self.leftDown = False
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| 85 | self.leftDownTime = 0.0
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| 86 |
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| 87 |
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| 88 | def updateRegion(self, regionId, app):
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| 89 | self.lastRegion = self.region
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| 90 | self.region = [regionId, app]
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| 91 |
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| 92 |
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| 93 | def showResizePointer(self):
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| 94 | self.ptrState = PTR_RESIZE_STATE
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| 95 | self.sageGate.showResizeMouse(self.objectId, self.region[0])
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| 96 |
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| 97 |
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| 98 | def reset(self):
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| 99 | self.ptrState = PTR_NORMAL_STATE
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| 100 | self.state = PTR_NORMAL_STATE
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| 101 | self.sageGate.resetMouseState(self.objectId)
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| 102 |
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| 103 |
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| 104 | def onMouseDown(self, app, regionId, x, y):
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| 105 | self.leftDown = True
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| 106 | self.leftDownTime = time.time()
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| 107 | self.clickPos = [x,y]
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| 108 | self.lastRegion = [regionId, app]
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| 109 | self.sageGate.sendMouseDown(self.objectId)
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| 110 |
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| 111 |
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| 112 | def onMouseUp(self):
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| 113 | self.leftDown = False
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| 114 | self.sageGate.sendMouseUp(self.objectId)
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