162 lines
6.6 KiB
Python
162 lines
6.6 KiB
Python
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# ----------------------------------------------------------------------------
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# pyglet
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# Copyright (c) 2006-2008 Alex Holkner
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# Copyright (c) 2008-2021 pyglet contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of pyglet nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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# Note: The display mode API used here is Mac OS 10.6 only.
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from ctypes import *
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from .base import Display, Screen, ScreenMode, Canvas
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from pyglet.libs.darwin.cocoapy import CGDirectDisplayID, quartz, cf
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from pyglet.libs.darwin.cocoapy import cfstring_to_string, cfarray_to_list
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class CocoaDisplay(Display):
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def get_screens(self):
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maxDisplays = 256
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activeDisplays = (CGDirectDisplayID * maxDisplays)()
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count = c_uint32()
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quartz.CGGetActiveDisplayList(maxDisplays, activeDisplays, byref(count))
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return [CocoaScreen(self, displayID) for displayID in list(activeDisplays)[:count.value]]
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class CocoaScreen(Screen):
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def __init__(self, display, displayID):
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bounds = quartz.CGDisplayBounds(displayID)
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# FIX ME:
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# Probably need to convert the origin coordinates depending on context:
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# http://www.cocoabuilder.com/archive/cocoa/233492-ns-cg-rect-conversion-and-screen-coordinates.html
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x, y = bounds.origin.x, bounds.origin.y
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width, height = bounds.size.width, bounds.size.height
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super(CocoaScreen, self).__init__(display, int(x), int(y), int(width), int(height))
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self._cg_display_id = displayID
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# Save the default mode so we can restore to it.
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self._default_mode = self.get_mode()
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# FIX ME:
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# This method is needed to get multi-monitor support working properly.
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# However the NSScreens.screens() message currently sends out a warning:
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# "*** -[NSLock unlock]: lock (<NSLock: 0x...> '(null)') unlocked when not locked"
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# on Snow Leopard and apparently causes python to crash on Lion.
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#
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# def get_nsscreen(self):
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# """Returns the NSScreen instance that matches our CGDirectDisplayID."""
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# NSScreen = ObjCClass('NSScreen')
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# # Get a list of all currently active NSScreens and then search through
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# # them until we find one that matches our CGDisplayID.
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# screen_array = NSScreen.screens()
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# count = screen_array.count()
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# for i in range(count):
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# nsscreen = screen_array.objectAtIndex_(i)
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# screenInfo = nsscreen.deviceDescription()
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# displayID = screenInfo.objectForKey_(get_NSString('NSScreenNumber'))
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# displayID = displayID.intValue()
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# if displayID == self._cg_display_id:
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# return nsscreen
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# return None
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def get_matching_configs(self, template):
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canvas = CocoaCanvas(self.display, self, None)
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return template.match(canvas)
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def get_modes(self):
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cgmodes = c_void_p(quartz.CGDisplayCopyAllDisplayModes(self._cg_display_id, None))
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modes = [CocoaScreenMode(self, cgmode) for cgmode in cfarray_to_list(cgmodes)]
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cf.CFRelease(cgmodes)
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return modes
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def get_mode(self):
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cgmode = c_void_p(quartz.CGDisplayCopyDisplayMode(self._cg_display_id))
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mode = CocoaScreenMode(self, cgmode)
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quartz.CGDisplayModeRelease(cgmode)
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return mode
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def set_mode(self, mode):
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assert mode.screen is self
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quartz.CGDisplayCapture(self._cg_display_id)
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quartz.CGDisplaySetDisplayMode(self._cg_display_id, mode.cgmode, None)
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self.width = mode.width
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self.height = mode.height
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def restore_mode(self):
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quartz.CGDisplaySetDisplayMode(self._cg_display_id, self._default_mode.cgmode, None)
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quartz.CGDisplayRelease(self._cg_display_id)
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def capture_display(self):
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quartz.CGDisplayCapture(self._cg_display_id)
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def release_display(self):
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quartz.CGDisplayRelease(self._cg_display_id)
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class CocoaScreenMode(ScreenMode):
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def __init__(self, screen, cgmode):
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super(CocoaScreenMode, self).__init__(screen)
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quartz.CGDisplayModeRetain(cgmode)
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self.cgmode = cgmode
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self.width = int(quartz.CGDisplayModeGetWidth(cgmode))
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self.height = int(quartz.CGDisplayModeGetHeight(cgmode))
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self.depth = self.getBitsPerPixel(cgmode)
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self.rate = quartz.CGDisplayModeGetRefreshRate(cgmode)
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def __del__(self):
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quartz.CGDisplayModeRelease(self.cgmode)
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self.cgmode = None
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def getBitsPerPixel(self, cgmode):
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# from /System/Library/Frameworks/IOKit.framework/Headers/graphics/IOGraphicsTypes.h
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IO8BitIndexedPixels = "PPPPPPPP"
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IO16BitDirectPixels = "-RRRRRGGGGGBBBBB"
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IO32BitDirectPixels = "--------RRRRRRRRGGGGGGGGBBBBBBBB"
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cfstring = c_void_p(quartz.CGDisplayModeCopyPixelEncoding(cgmode))
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pixelEncoding = cfstring_to_string(cfstring)
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cf.CFRelease(cfstring)
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if pixelEncoding == IO8BitIndexedPixels: return 8
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if pixelEncoding == IO16BitDirectPixels: return 16
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if pixelEncoding == IO32BitDirectPixels: return 32
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return 0
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class CocoaCanvas(Canvas):
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def __init__(self, display, screen, nsview):
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super(CocoaCanvas, self).__init__(display)
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self.screen = screen
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self.nsview = nsview
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