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openMainWindow

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This commit is contained in:
David Rose 2003-01-10 21:22:17 +00:00
parent b3d91a4ad4
commit 4baac59b9e
1 changed files with 78 additions and 20 deletions
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98
direct/src/showbase/ShowBase.py
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@ -97,17 +97,17 @@ class ShowBase(DirectObject.DirectObject):
# base.win is the main, or only window; base.winList is a list of
# *all* windows. Similarly with base.pipeList and base.camList.
self.win = None
self.mainWinMinimized = 0
self.winList = []
self.mainWinMinimized = 0
self.pipe = None
self.pipeList = []
self.mak = None
self.cam = None
self.camList = []
self.camNode = None
self.camLens = None
self.camera = None
self.cameraList = []
self.groupList = []
self.camera = self.render.attachNewNode('camera')
self.camera2d = self.render2d.attachNewNode('camera2d')
# Now that we've set up the window structures, assign an exitfunc.
@ -116,9 +116,7 @@ class ShowBase(DirectObject.DirectObject):
# Open the default rendering window.
if self.config.GetBool('open-default-window', 1):
self.openWindow()
self.setupMouse(self.win)
self.makeCamera2d(self.win, -1, 1, -1, 1)
self.openMainWindow()
self.loader = Loader.Loader(self)
self.eventMgr = eventMgr
@ -207,10 +205,8 @@ class ShowBase(DirectObject.DirectObject):
def openWindow(self):
"""openWindow(self)
Invokes ChanConfig to create a window and adds it to the list
of windows that are to be updated every frame.
"""
if self.pipe == None:
@ -233,6 +229,60 @@ class ShowBase(DirectObject.DirectObject):
self.getCameras(chanConfig)
return win
def closeWindow(self, win):
"""closeWindow(self, win)
Closes the indicated window and removes it from the list of
windows. If it is the main window, clears the main window
pointer to None.
"""
# First, remove all of the cameras associated with display
# regions on the window.
numRegions = win.getNumDisplayRegions()
for i in range(numRegions):
dr = win.getDisplayRegion(i)
cam = NodePath(dr.getCamera())
dr.setCamera(NodePath())
if not cam.isEmpty() and cam.node().getNumDisplayRegions() == 0:
# If the camera is used by no other DisplayRegions,
# remove it.
if self.camList.count(cam) != 0:
self.camList.remove(cam)
if not cam.isEmpty():
if cam == self.cam:
self.cam = None
cam.removeNode()
# Now we can actually close the window.
self.graphicsEngine.removeWindow(win)
self.winList.remove(win)
if win == self.win:
self.win = None
def openMainWindow(self):
"""openMainWindow(self)
Creates the initial, main window for the application, and sets
up the mouse and render2d structures appropriately for it. If
this method is called a second time, it will close the
previous main window and open a new one, preserving the lens
properties in base.camLens.
"""
oldLens = self.camLens
if self.win != None:
# Close the previous window.
oldLens = self.camLens
self.closeWindow(self.win)
# Open a new window.
self.openWindow()
self.setupMouse(self.win)
self.makeCamera2d(self.win, -1, 1, -1, 1)
if oldLens != None:
# Restore the previous lens properties.
self.camNode.setLens(oldLens)
self.camLens = oldLens
def setupRender(self):
"""setupRender(self)
@ -339,9 +389,24 @@ class ShowBase(DirectObject.DirectObject):
"""setupMouse(self, win)
Creates the structures necessary to monitor the mouse input,
using the indicated window. This should only be called once
per application.
using the indicated window. If the mouse has already been set
up for a different window, this changes the mouse to reference
the new window.
"""
if self.mak != None:
# The mouse has already been set up; reappropriate it.
self.mak.node().setSource(win, 0)
# Reset the currently-held modifier button list for good
# measure.
bt = base.buttonThrower.node()
mb = ModifierButtons(bt.getModifierButtons())
mb.allButtonsUp()
bt.setModifierButtons(mb)
return
# The mouse has not yet been set up in this application;
# create the mouse structures now.
# We create both a MouseAndKeyboard object and a MouseWatcher object
# for the window. The MouseAndKeyboard generates mouse events and
@ -411,22 +476,18 @@ class ShowBase(DirectObject.DirectObject):
"""
getCameras(self, chanConfig)
Extracts the camera(s) out of the ChanConfig record, parents
them all to base.camera, and adds them to base.cameraList.
them all to base.camera, and adds them to base.camList.
"""
# cameraList is a list of camera group nodes. There may
# be more than one display region/camera node beneath each
# one.
for i in range(chanConfig.getNumGroups()):
camera = self.render.attachNewNode(chanConfig.getGroupNode(i))
cam = camera.find('**/+Camera')
cam = NodePath(chanConfig.getGroupNode(i)).find('**/+Camera')
lens = cam.node().getLens()
# Enforce our expected aspect ratio, overriding whatever
# nonsense ChanConfig put in there.
lens.setAspectRatio(self.aspectRatio)
self.cameraList.append(camera)
cam.reparentTo(self.camera)
self.camList.append(cam)
# this is how we know which display region cameras belong to which
@ -434,9 +495,6 @@ class ShowBase(DirectObject.DirectObject):
for i in range(chanConfig.getNumDrs()):
self.groupList.append(chanConfig.getGroupMembership(i))
# Set the default camera and cam
if self.camera == None:
self.camera = self.cameraList[0]
if self.cam == None:
self.cam = self.camList[0]
# If you need to get a handle to the camera node itself,