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https://github.com/panda3d/panda3d.git
synced 2025-10-04 10:54:24 -04:00
still better open/close window behavior
This commit is contained in:
David Rose
parent
6c5d628b08
commit
c99351eb7d
@ -436,7 +436,8 @@ class ShowBase(DirectObject.DirectObject):
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def openWindow(self, props = None, pipe = None, gsg = None,
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type = None, name = None, size = None, aspectRatio = None,
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makeCamera = 1, scene = None, stereo = None, rawmice = 0):
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makeCamera = 1, keepCamera = 0,
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scene = None, stereo = None, rawmice = 0):
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"""
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Creates a window and adds it to the list of windows that are
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to be updated every frame.
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@ -452,6 +453,19 @@ class ShowBase(DirectObject.DirectObject):
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# We couldn't get a pipe.
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return None
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if isinstance(gsg, GraphicsOutput):
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# If the gsg is a window or buffer, it means to use the
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# GSG from that buffer.
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gsg = gsg.getGsg()
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# If we are using DirectX, force a new GSG to be created,
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# since at the moment DirectX seems to misbehave if we do
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# not do this. This will cause a delay while all textures
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# etc. are reloaded, so we should revisit this later if we
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# can fix the underlying bug in our DirectX support.
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if pipe.getType().getName().startswith('wdx'):
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gsg = None
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if type == None:
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type = self.windowType
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@ -492,19 +506,28 @@ class ShowBase(DirectObject.DirectObject):
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if hasattr(win, "requestProperties"):
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win.requestProperties(props)
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mainWindow = False
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if self.win == None:
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mainWindow = True
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self.win = win
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self.winList.append(win)
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# Set up a 3-d camera for the window by default.
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if makeCamera:
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if keepCamera:
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self.makeCamera(win, scene = scene, aspectRatio = aspectRatio,
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stereo = stereo, keepCam = makeCamera)
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stereo = stereo, useCamera = base.cam)
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elif makeCamera:
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self.makeCamera(win, scene = scene, aspectRatio = aspectRatio,
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stereo = stereo)
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messenger.send('open_window', [win, mainWindow])
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if mainWindow:
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messenger.send('open_main_window')
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return win
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def closeWindow(self, win):
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def closeWindow(self, win, keepCamera = 0):
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"""
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Closes the indicated window and removes it from the list of
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windows. If it is the main window, clears the main window
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@ -519,7 +542,9 @@ class ShowBase(DirectObject.DirectObject):
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dr.setCamera(NodePath())
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if not cam.isEmpty() and cam.node().getNumDisplayRegions() == 0:
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if not cam.isEmpty() and \
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cam.node().getNumDisplayRegions() == 0 and \
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not keepCamera:
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# If the camera is used by no other DisplayRegions,
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# remove it.
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if self.camList.count(cam) != 0:
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@ -539,19 +564,23 @@ class ShowBase(DirectObject.DirectObject):
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self.graphicsEngine.removeWindow(win)
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self.winList.remove(win)
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messenger.send('close_window', [win])
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mainWindow = False
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if win == self.win:
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mainWindow = True
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self.win = None
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if self.frameRateMeter:
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self.frameRateMeter.clearWindow()
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self.frameRateMeter = None
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messenger.send('close_window', [win, mainWindow])
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if mainWindow:
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messenger.send('close_main_window')
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if not self.winList:
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# Give the window(s) a chance to actually close before we
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# continue.
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base.graphicsEngine.renderFrame()
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if win == self.win:
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self.win = None
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if self.frameRateMeter:
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self.frameRateMeter.clearWindow()
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self.frameRateMeter = None
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def openDefaultWindow(self, *args, **kw):
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# Creates the main window for the first time, without being
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# too particular about the kind of graphics API that is
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@ -568,6 +597,13 @@ class ShowBase(DirectObject.DirectObject):
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if 'startDirect' in kw:
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del kw['startDirect']
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if self.win:
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# If we've already opened a window before, this does
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# little more work than openMainWindow() alone.
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self.openMainWindow(*args, **kw)
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self.graphicsEngine.openWindows()
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return
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self.openMainWindow(*args, **kw)
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# Give the window a chance to truly open.
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@ -597,6 +633,13 @@ class ShowBase(DirectObject.DirectObject):
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# error not to open a window.
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raise StandardError, 'Could not open window.'
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# The default is trackball mode, which is more convenient for
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# ad-hoc development in Python using ShowBase. Applications
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# can explicitly call base.useDrive() if they prefer a drive
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# interface.
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self.mouseInterface = self.trackball
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self.useTrackball()
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if startDirect:
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self.__doStartDirect()
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@ -619,6 +662,8 @@ class ShowBase(DirectObject.DirectObject):
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which case base.win may be either None, or the previous,
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closed window).
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"""
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keepCamera = kw.get('keepCamera', 0)
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success = 1
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oldWin = self.win
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oldLens = self.camLens
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@ -631,7 +676,7 @@ class ShowBase(DirectObject.DirectObject):
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oldClearDepth = self.win.getClearDepth()
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oldClearStencilActive = self.win.getClearStencilActive()
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oldClearStencil = self.win.getClearStencil()
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self.closeWindow(self.win)
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self.closeWindow(self.win, keepCamera = keepCamera)
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# Open a new window.
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self.openWindow(*args, **kw)
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@ -882,7 +927,7 @@ class ShowBase(DirectObject.DirectObject):
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displayRegion = (0, 1, 0, 1), stereo = None,
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aspectRatio = None, clearDepth = 0, clearColor = None,
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lens = None, camName = 'cam', mask = None,
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keepCam = None):
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useCamera = None):
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"""
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Makes a new 3-d camera associated with the indicated window,
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and creates a display region in the indicated subrectangle.
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@ -892,8 +937,9 @@ class ShowBase(DirectObject.DirectObject):
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camera is created. If stereo is None or omitted, a stereo
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camera is created if the window says it can render in stereo.
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If keepCam is a NodePath, that is used as the camera to apply
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to the window, rather than creating a new camera.
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If useCamera is not None, it is a NodePath to be used as the
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camera to apply to the window, rather than creating a new
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camera.
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"""
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# self.camera is the parent node of all cameras: a node that
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# we can move around to move all cameras as a group.
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@ -901,10 +947,10 @@ class ShowBase(DirectObject.DirectObject):
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self.camera = self.render.attachNewNode('camera')
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__builtin__.camera = self.camera
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if isinstance(keepCam, NodePath):
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if useCamera:
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# Use the existing camera node.
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cam = keepCam
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camNode = keepCam.node()
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cam = useCamera
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camNode = useCamera.node()
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assert(isinstance(camNode, Camera))
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lens = camNode.getLens()
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cam.reparentTo(self.camera)
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@ -1130,13 +1176,6 @@ class ShowBase(DirectObject.DirectObject):
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self.mouse2cam = self.dataUnused.attachNewNode(Transform2SG('mouse2cam'))
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self.mouse2cam.node().setNode(self.camera.node())
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# The default is trackball mode, which is more convenient for
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# ad-hoc development in Python using ShowBase. Applications
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# can explicitly call base.useDrive() if they prefer a drive
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# interface.
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self.mouseInterface = self.trackball
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self.useTrackball()
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# A special ButtonThrower to generate keyboard events and
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# include the time from the OS. This is separate only to
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# support legacy code that did not expect a time parameter; it
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