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+#!/usr/bin/env python
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+'''
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+Demonstrate different mouse modes
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+'''
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+
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+# from panda3d.core import loadPrcFileData
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+#
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+# loadPrcFileData("", "notify-level-x11display debug")
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+# loadPrcFileData("", "notify-level-windisplay debug")
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+#
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+# loadPrcFileData("", "load-display p3tinydisplay")
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+
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+from panda3d.core import WindowProperties, TextNode
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+from direct.task.TaskManagerGlobal import taskMgr
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+from direct.gui.OnscreenText import OnscreenText
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+from direct.task import Task
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+from direct.showbase.ShowBase import ShowBase
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+
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+import sys
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+
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+class App(ShowBase):
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+ def __init__(self):
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+ ShowBase.__init__(self)
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+ self.base = self
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+ self.setup()
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+
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+ def genLabelText(self, text, i):
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+ text = OnscreenText(text = text, pos = (-1.3, .5-.05*i), fg=(0,1,0,1),
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+ align = TextNode.ALeft, scale = .05)
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+ return text
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+
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+
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+ def setup(self):
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+ # Disable the camera trackball controls.
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+ self.disableMouse()
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+
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+ self.mouseMagnitude = 144
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+
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+ self.rotateX, self.rotateY = 0, 0
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+
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+ self.genLabelText("[0] Absolute mode, [1] Relative mode, [2] Confined mode", 0)
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+
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+ self.base.accept('0', lambda: self.setMouseMode(WindowProperties.M_absolute))
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+ self.base.accept('1', lambda: self.setMouseMode(WindowProperties.M_relative))
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+ self.base.accept('2', lambda: self.setMouseMode(WindowProperties.M_confined))
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+
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+ self.genLabelText("[C] Manually re-center mouse on each tick", 1)
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+ self.base.accept('C', lambda: self.toggleRecenter())
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+ self.base.accept('c', lambda: self.toggleRecenter())
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+
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+ self.genLabelText("[S] Show mouse", 2)
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+ self.base.accept('S', lambda: self.toggleMouse())
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+ self.base.accept('s', lambda: self.toggleMouse())
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+
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+ self.base.accept('escape', sys.exit, [0])
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+
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+ self.mouseText = self.genLabelText("", 5)
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+ self.deltaText = self.genLabelText("", 6)
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+ self.positionText = self.genLabelText("", 8)
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+
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+ self.lastMouseX, self.lastMouseY = None, None
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+
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+ self.hideMouse = False
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+
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+ self.setMouseMode(WindowProperties.M_absolute)
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+ self.manualRecenterMouse = True
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+
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+ # make a box to move with the mouse
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+ self.model = self.loader.loadModel("box.egg")
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+ self.model.reparentTo(self.render)
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+
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+ self.cam.setPos(0, -5, 0)
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+ self.cam.lookAt(0, 0, 0)
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+
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+ self.mouseTask = taskMgr.add(self.mouseTask, "Mouse Task")
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+
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+ def setMouseMode(self, mode):
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+ print "Changing mode to",mode
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+
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+ self.mouseMode = mode
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+
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+ wp = WindowProperties()
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+ wp.setMouseMode(mode)
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+ self.base.win.requestProperties(wp)
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+
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+ # these changes may require a tick to apply
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+ self.base.taskMgr.doMethodLater(0, self.resolveMouse, "Resolve mouse setting")
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+
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+ def resolveMouse(self, t):
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+ wp = self.base.win.getProperties()
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+
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+ actualMode = wp.getMouseMode()
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+ if self.mouseMode != actualMode:
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+ print "ACTUAL MOUSE MODE:", actualMode
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+
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+ self.mouseMode = actualMode
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+
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+ self.rotateX, self.rotateY = -.5, -.5
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+ self.lastMouseX, self.lastMouseY = None, None
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+ self.recenterMouse()
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+
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+ def recenterMouse(self):
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+ self.base.win.movePointer(0,
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+ int(self.base.win.getProperties().getXSize() / 2),
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+ int(self.base.win.getProperties().getYSize() / 2))
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+
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+
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+ def toggleRecenter(self):
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+ print "Toggling re-center behavior"
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+ self.manualRecenterMouse = not self.manualRecenterMouse
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+
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+ def toggleMouse(self):
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+ print "Toggling mouse visibility"
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+
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+ self.hideMouse = not self.hideMouse
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+
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+ wp = WindowProperties()
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+ wp.setCursorHidden(self.hideMouse)
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+ self.base.win.requestProperties(wp)
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+
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+ def mouseTask(self, task):
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+ mw = self.base.mouseWatcherNode
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+
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+ hasMouse = mw.hasMouse()
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+ if hasMouse:
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+ # get the window manager's idea of the mouse position
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+ x, y = mw.getMouseX(), mw.getMouseY()
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+
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+ if self.lastMouseX is not None:
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+ # get the delta
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+ if self.manualRecenterMouse:
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+ # when recentering, the position IS the delta
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+ # since the center is reported as 0, 0
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+ dx, dy = x, y
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+ else:
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+ dx, dy = x - self.lastMouseX, y - self.lastMouseY
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+ else:
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+ # no data to compare with yet
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+ dx, dy = 0, 0
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+
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+ self.lastMouseX, self.lastMouseY = x, y
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+
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+ else:
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+ x, y, dx, dy = 0, 0, 0, 0
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+
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+ if self.manualRecenterMouse:
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+ # move mouse back to center
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+ self.recenterMouse()
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+
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+ # scale position and delta to pixels for user
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+ w, h = self.win.getSize()
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+
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+ self.mouseText.setText("Mode: {0}, Recenter: {1} | Mouse: {2}, {3} | hasMouse: {4}".format(
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+ self.mouseMode, self.manualRecenterMouse,
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+ int(x*w), int(y*h),
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+ hasMouse))
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+ self.deltaText.setText("Delta: {0}, {1}".format(
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+ int(dx*w), int(dy*h)))
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+
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+ # rotate box by delta
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+ self.rotateX += dx * 10
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+ self.rotateY += dy * 10
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+
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+ self.positionText.setText("Model rotation: {0}, {1}".format(
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+ int(self.rotateX*1000)/1000., int(self.rotateY*1000)/1000.))
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+
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+ self.model.setH(self.rotateX)
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+ self.model.setP(self.rotateY)
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+ return Task.cont
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+
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+app = App()
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+app.run()
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rdb