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support empty OnscreenPanels

This commit is contained in:
David Rose 2001-06-25 17:51:07 +00:00
parent 0dc456f2d0
commit 6c9d425806
1 changed files with 49 additions and 39 deletions
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88
direct/src/gui/OnscreenPanel.py
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@ -120,7 +120,12 @@ class OnscreenPanel(PandaObject.PandaObject, NodePath):
self.panelButtons = []
self.panelText = []
if isinstance(geom, types.StringType):
if geom == None:
# If 'geom' is None, it means not to have a background
# panel at all.
self.panelGeom = None
elif isinstance(geom, types.StringType):
# If 'geom' is a string, it's the name of a model to load.
self.panelGeom = loader.loadModelCopy(geom)
self.panelGeom.reparentTo(self)
@ -132,40 +137,42 @@ class OnscreenPanel(PandaObject.PandaObject, NodePath):
centerY = (rect[2] + rect[3]) / 2.0
NodePath.setPos(self, centerX, 0, centerY)
# Scale and position the geometry to fill up our desired
# rectangle.
gCenterX = (geomRect[0] + geomRect[1]) / 2.0
gCenterY = (geomRect[2] + geomRect[3]) / 2.0
self.panelGeom.setPos(-gCenterX, 0, -gCenterY)
self.panelGeom.setScale((rect[1] - rect[0]) / (geomRect[1] - geomRect[0]), 1,
(rect[3] - rect[2]) / (geomRect[3] - geomRect[2]))
if bg[3] != 1:
self.panelGeom.setTransparency(1)
self.panelGeom.setColor(bg[0], bg[1], bg[2], bg[3])
self.setBin('fixed', self.panelDrawOrder)
self.panelRegion = None
if support3d:
# If we're supposed to support 3-d geometry in front of
# the panel, set a few extra attributes to ensure the
# panel geometry fills up the depth buffer as it goes,
# making it safe to put 3-d geometry in front of it.
dw = DepthWriteTransition()
self.panelGeom.setY(100)
self.panelGeom.arc().setTransition(dw, 2)
if self.panelGeom != None:
# Scale and position the geometry to fill up our desired
# rectangle.
gCenterX = (geomRect[0] + geomRect[1]) / 2.0
gCenterY = (geomRect[2] + geomRect[3]) / 2.0
# Set up the panel as its own mouse region so mouse clicks on
# the panel don't inadvertently drive the toon around. This
# must be done after the panelGeom has been scaled
# appropriately, above.
self.geomRect = geomRect
self.panelRegion = MouseWatcherRegion(uniqueName, 0, 0, 0, 0)
self.panelRegion.setRelative(self.panelGeom,
geomRect[0], geomRect[1],
geomRect[2], geomRect[3])
self.panelRegion.setSort(self.panelDrawOrder)
self.panelGeom.setPos(-gCenterX, 0, -gCenterY)
self.panelGeom.setScale((rect[1] - rect[0]) / (geomRect[1] - geomRect[0]), 1,
(rect[3] - rect[2]) / (geomRect[3] - geomRect[2]))
if bg[3] != 1:
self.panelGeom.setTransparency(1)
self.panelGeom.setColor(bg[0], bg[1], bg[2], bg[3])
if support3d:
# If we're supposed to support 3-d geometry in front of
# the panel, set a few extra attributes to ensure the
# panel geometry fills up the depth buffer as it goes,
# making it safe to put 3-d geometry in front of it.
dw = DepthWriteTransition()
self.panelGeom.setY(100)
self.panelGeom.arc().setTransition(dw, 2)
# Set up the panel as its own mouse region so mouse clicks on
# the panel don't inadvertently drive the toon around. This
# must be done after the panelGeom has been scaled
# appropriately, above.
self.geomRect = geomRect
self.panelRegion = MouseWatcherRegion(uniqueName, 0, 0, 0, 0)
self.panelRegion.setRelative(self.panelGeom,
geomRect[0], geomRect[1],
geomRect[2], geomRect[3])
self.panelRegion.setSort(self.panelDrawOrder)
def cleanup(self):
"""cleanup(self):
@ -222,8 +229,9 @@ class OnscreenPanel(PandaObject.PandaObject, NodePath):
self.accept(button.button.getDownRolloverEvent(),
button.func, [button.button])
button.startBehavior()
base.mouseWatcherNode.addRegion(self.panelRegion)
if self.panelRegion != None:
base.mouseWatcherNode.addRegion(self.panelRegion)
def hide(self):
"""hide(self):
@ -242,8 +250,9 @@ class OnscreenPanel(PandaObject.PandaObject, NodePath):
self.ignore(button.button.getDownRolloverEvent())
if button.panelManage:
button.unmanage()
base.mouseWatcherNode.removeRegion(self.panelRegion)
if self.panelRegion != None:
base.mouseWatcherNode.removeRegion(self.panelRegion)
def makeButton(self, name,
func = None,
@ -397,7 +406,8 @@ class OnscreenPanel(PandaObject.PandaObject, NodePath):
button.unmanage()
button.manage(self)
self.panelRegion.setRelative(self.panelGeom,
self.geomRect[0], self.geomRect[1],
self.geomRect[2], self.geomRect[3])
if self.panelRegion != None:
self.panelRegion.setRelative(self.panelGeom,
self.geomRect[0], self.geomRect[1],
self.geomRect[2], self.geomRect[3])