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Difficult-Rocket/libs/pyglet/window/cocoa/__init__.py

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rua
2021-04-16 23:21:06 +08:00
# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
稍等一会（
2021-04-17 01:14:38 +08:00
# Copyright (c) 2008-2021 pyglet contributors
rua
2021-04-16 23:21:06 +08:00
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
from ctypes import *
import pyglet
from pyglet import gl
from pyglet.window import BaseWindow, WindowException
from pyglet.window import MouseCursor, DefaultMouseCursor
from pyglet.event import EventDispatcher
from pyglet.canvas.cocoa import CocoaCanvas
from pyglet.libs.darwin import cocoapy, CGPoint
from .systemcursor import SystemCursor
from .pyglet_delegate import PygletDelegate
from .pyglet_textview import PygletTextView
from .pyglet_window import PygletWindow, PygletToolWindow
from .pyglet_view import PygletView
NSApplication = cocoapy.ObjCClass('NSApplication')
NSCursor = cocoapy.ObjCClass('NSCursor')
NSAutoreleasePool = cocoapy.ObjCClass('NSAutoreleasePool')
NSColor = cocoapy.ObjCClass('NSColor')
NSEvent = cocoapy.ObjCClass('NSEvent')
NSImage = cocoapy.ObjCClass('NSImage')
quartz = cocoapy.quartz
cf = cocoapy.cf
class CocoaMouseCursor(MouseCursor):
gl_drawable = False
def __init__(self, cursorName):
# cursorName is a string identifying one of the named default NSCursors
# e.g. 'pointingHandCursor', and can be sent as message to NSCursor class.
self.cursorName = cursorName
def set(self):
cursor = getattr(NSCursor, self.cursorName)()
cursor.set()
class CocoaWindow(BaseWindow):
# NSWindow instance.
_nswindow = None
# Delegate object.
_delegate = None
# Window properties
_minimum_size = None
_maximum_size = None
_is_mouse_exclusive = False
_mouse_platform_visible = True
_mouse_ignore_motion = False
_is_keyboard_exclusive = False
# Flag set during close() method.
_was_closed = False
# NSWindow style masks.
_style_masks = {
BaseWindow.WINDOW_STYLE_DEFAULT: cocoapy.NSTitledWindowMask |
cocoapy.NSClosableWindowMask |
cocoapy.NSMiniaturizableWindowMask,
BaseWindow.WINDOW_STYLE_DIALOG: cocoapy.NSTitledWindowMask |
cocoapy.NSClosableWindowMask,
BaseWindow.WINDOW_STYLE_TOOL: cocoapy.NSTitledWindowMask |
cocoapy.NSClosableWindowMask |
cocoapy.NSUtilityWindowMask,
BaseWindow.WINDOW_STYLE_BORDERLESS: cocoapy.NSBorderlessWindowMask,
}
def _recreate(self, changes):
if 'context' in changes:
self.context.set_current()
if 'fullscreen' in changes:
if not self._fullscreen: # leaving fullscreen
self.screen.release_display()
self._create()
def _create(self):
# Create a temporary autorelease pool for this method.
pool = NSAutoreleasePool.alloc().init()
if self._nswindow:
# The window is about the be recreated so destroy everything
# associated with the old window, then destroy the window itself.
nsview = self.canvas.nsview
self.canvas = None
self._nswindow.orderOut_(None)
self._nswindow.close()
self.context.detach()
self._nswindow.release()
self._nswindow = None
nsview.release()
self._delegate.release()
self._delegate = None
# Determine window parameters.
content_rect = cocoapy.NSMakeRect(0, 0, self._width, self._height)
WindowClass = PygletWindow
if self._fullscreen:
style_mask = cocoapy.NSBorderlessWindowMask
else:
if self._style not in self._style_masks:
self._style = self.WINDOW_STYLE_DEFAULT
style_mask = self._style_masks[self._style]
if self._resizable:
style_mask |= cocoapy.NSResizableWindowMask
if self._style == BaseWindow.WINDOW_STYLE_TOOL:
WindowClass = PygletToolWindow
# First create an instance of our NSWindow subclass.
# FIX ME:
# Need to use this initializer to have any hope of multi-monitor support.
# But currently causes problems on Mac OS X Lion. So for now, we initialize the
# window without including screen information.
#
# self._nswindow = WindowClass.alloc().initWithContentRect_styleMask_backing_defer_screen_(
# content_rect, # contentRect
# style_mask, # styleMask
# NSBackingStoreBuffered, # backing
# False, # defer
# self.screen.get_nsscreen()) # screen
self._nswindow = WindowClass.alloc().initWithContentRect_styleMask_backing_defer_(
content_rect, # contentRect
style_mask, # styleMask
cocoapy.NSBackingStoreBuffered, # backing
False) # defer
if self._fullscreen:
# BUG: I suspect that this doesn't do the right thing when using
# multiple monitors (which would be to go fullscreen on the monitor
# where the window is located). However I've no way to test.
blackColor = NSColor.blackColor()
self._nswindow.setBackgroundColor_(blackColor)
self._nswindow.setOpaque_(True)
self.screen.capture_display()
self._nswindow.setLevel_(quartz.CGShieldingWindowLevel())
self.context.set_full_screen()
self._center_window()
self._mouse_in_window = True
else:
self._set_nice_window_location()
self._mouse_in_window = self._mouse_in_content_rect()
# Then create a view and set it as our NSWindow's content view.
self._nsview = PygletView.alloc().initWithFrame_cocoaWindow_(content_rect, self)
self._nswindow.setContentView_(self._nsview)
self._nswindow.makeFirstResponder_(self._nsview)
# Create a canvas with the view as its drawable and attach context to it.
self.canvas = CocoaCanvas(self.display, self.screen, self._nsview)
self.context.attach(self.canvas)
# Configure the window.
self._nswindow.setAcceptsMouseMovedEvents_(True)
self._nswindow.setReleasedWhenClosed_(False)
self._nswindow.useOptimizedDrawing_(True)
self._nswindow.setPreservesContentDuringLiveResize_(False)
# Set the delegate.
self._delegate = PygletDelegate.alloc().initWithWindow_(self)
# Configure CocoaWindow.
self.set_caption(self._caption)
if self._minimum_size is not None:
self.set_minimum_size(*self._minimum_size)
if self._maximum_size is not None:
self.set_maximum_size(*self._maximum_size)
# TODO: Add support for file drops.
if self._file_drops:
raise NotImplementedError("File drops are not implemented on MacOS")
self.context.update_geometry()
self.switch_to()
self.set_vsync(self._vsync)
self.set_visible(self._visible)
pool.drain()
def _set_nice_window_location(self):
# Construct a list of all visible windows that aren't us.
visible_windows = [win for win in pyglet.app.windows if
win is not self and
win._nswindow and
win._nswindow.isVisible()]
# If there aren't any visible windows, then center this window.
if not visible_windows:
self._center_window()
# Otherwise, cascade from last window in list.
else:
point = visible_windows[-1]._nswindow.cascadeTopLeftFromPoint_(cocoapy.NSZeroPoint)
self._nswindow.cascadeTopLeftFromPoint_(point)
def _center_window(self):
# [NSWindow center] does not move the window to a true center position
# and also always moves the window to the main display.
x = self.screen.x + int((self.screen.width - self._width) // 2)
y = self.screen.y + int((self.screen.height - self._height) // 2)
self._nswindow.setFrameOrigin_(cocoapy.NSPoint(x, y))
def close(self):
# If we've already gone through this once, don't do it again.
if self._was_closed:
return
# Create a temporary autorelease pool for this method.
pool = NSAutoreleasePool.new()
# Restore cursor visibility
self.set_mouse_platform_visible(True)
self.set_exclusive_mouse(False)
self.set_exclusive_keyboard(False)
# Remove the delegate object
if self._delegate:
self._nswindow.setDelegate_(None)
self._delegate.release()
self._delegate = None
# Remove window from display and remove its view.
if self._nswindow:
self._nswindow.orderOut_(None)
self._nswindow.setContentView_(None)
self._nswindow.close()
# Restore screen mode. This also releases the display
# if it was captured for fullscreen mode.
self.screen.restore_mode()
# Remove view from canvas and then remove canvas.
if self.canvas:
self.canvas.nsview.release()
self.canvas.nsview = None
self.canvas = None
# Do this last, so that we don't see white flash
# when exiting application from fullscreen mode.
super(CocoaWindow, self).close()
self._was_closed = True
pool.drain()
def switch_to(self):
if self.context:
self.context.set_current()
def flip(self):
self.draw_mouse_cursor()
if self.context:
self.context.flip()
def dispatch_events(self):
self._allow_dispatch_event = True
# Process all pyglet events.
self.dispatch_pending_events()
event = True
# Dequeue and process all of the pending Cocoa events.
pool = NSAutoreleasePool.new()
NSApp = NSApplication.sharedApplication()
while event and self._nswindow and self._context:
event = NSApp.nextEventMatchingMask_untilDate_inMode_dequeue_(
cocoapy.NSAnyEventMask, None, cocoapy.NSEventTrackingRunLoopMode, True)
if event:
event_type = event.type()
# Pass on all events.
NSApp.sendEvent_(event)
# And resend key events to special handlers.
if event_type == cocoapy.NSKeyDown and not event.isARepeat():
NSApp.sendAction_to_from_(cocoapy.get_selector('pygletKeyDown:'), None, event)
elif event_type == cocoapy.NSKeyUp:
NSApp.sendAction_to_from_(cocoapy.get_selector('pygletKeyUp:'), None, event)
elif event_type == cocoapy.NSFlagsChanged:
NSApp.sendAction_to_from_(cocoapy.get_selector('pygletFlagsChanged:'), None, event)
NSApp.updateWindows()
pool.drain()
self._allow_dispatch_event = False
def dispatch_pending_events(self):
while self._event_queue:
event = self._event_queue.pop(0)
EventDispatcher.dispatch_event(self, *event)
def set_caption(self, caption):
self._caption = caption
if self._nswindow is not None:
self._nswindow.setTitle_(cocoapy.get_NSString(caption))
def set_icon(self, *images):
# Only use the biggest image from the list.
max_image = images[0]
for img in images:
if img.width > max_image.width and img.height > max_image.height:
max_image = img
# Grab image data from pyglet image.
image = max_image.get_image_data()
format = 'ARGB'
bytesPerRow = len(format) * image.width
data = image.get_data(format, -bytesPerRow)
# Use image data to create a data provider.
# Using CGDataProviderCreateWithData crashes PyObjC 2.2b3, so we create
# a CFDataRef object first and use it to create the data provider.
cfdata = c_void_p(cf.CFDataCreate(None, data, len(data)))
provider = c_void_p(quartz.CGDataProviderCreateWithCFData(cfdata))
colorSpace = c_void_p(quartz.CGColorSpaceCreateDeviceRGB())
# Then create a CGImage from the provider.
cgimage = c_void_p(quartz.CGImageCreate(
image.width, image.height, 8, 32, bytesPerRow,
colorSpace,
cocoapy.kCGImageAlphaFirst,
provider,
None,
True,
cocoapy.kCGRenderingIntentDefault))
if not cgimage:
return
cf.CFRelease(cfdata)
quartz.CGDataProviderRelease(provider)
quartz.CGColorSpaceRelease(colorSpace)
# Turn the CGImage into an NSImage.
size = cocoapy.NSMakeSize(image.width, image.height)
nsimage = NSImage.alloc().initWithCGImage_size_(cgimage, size)
if not nsimage:
return
# And finally set the app icon.
NSApp = NSApplication.sharedApplication()
NSApp.setApplicationIconImage_(nsimage)
nsimage.release()
def get_location(self):
window_frame = self._nswindow.frame()
rect = self._nswindow.contentRectForFrameRect_(window_frame)
screen_frame = self._nswindow.screen().frame()
screen_width = int(screen_frame.size.width)
screen_height = int(screen_frame.size.height)
return int(rect.origin.x), int(screen_height - rect.origin.y - rect.size.height)
def set_location(self, x, y):
window_frame = self._nswindow.frame()
rect = self._nswindow.contentRectForFrameRect_(window_frame)
screen_frame = self._nswindow.screen().frame()
screen_width = int(screen_frame.size.width)
screen_height = int(screen_frame.size.height)
origin = cocoapy.NSPoint(x, screen_height - y - rect.size.height)
self._nswindow.setFrameOrigin_(origin)
def get_size(self):
window_frame = self._nswindow.frame()
rect = self._nswindow.contentRectForFrameRect_(window_frame)
return int(rect.size.width), int(rect.size.height)
def get_framebuffer_size(self):
view = self.context._nscontext.view()
bounds = view.convertRectToBacking_(view.bounds()).size
return int(bounds.width), int(bounds.height)
# :deprecated: Use Window.get_framebuffer_size
get_viewport_size = get_framebuffer_size
def set_size(self, width, height):
if self._fullscreen:
raise WindowException('Cannot set size of fullscreen window.')
self._width = max(1, int(width))
self._height = max(1, int(height))
# Move frame origin down so that top-left corner of window doesn't move.
window_frame = self._nswindow.frame()
rect = self._nswindow.contentRectForFrameRect_(window_frame)
rect.origin.y += rect.size.height - self._height
rect.size.width = self._width
rect.size.height = self._height
new_frame = self._nswindow.frameRectForContentRect_(rect)
# The window background flashes when the frame size changes unless it's
# animated, but we can set the window's animationResizeTime to zero.
is_visible = self._nswindow.isVisible()
self._nswindow.setFrame_display_animate_(new_frame, True, is_visible)
def set_minimum_size(self, width, height):
self._minimum_size = cocoapy.NSSize(width, height)
if self._nswindow is not None:
self._nswindow.setContentMinSize_(self._minimum_size)
def set_maximum_size(self, width, height):
self._maximum_size = cocoapy.NSSize(width, height)
if self._nswindow is not None:
self._nswindow.setContentMaxSize_(self._maximum_size)
def activate(self):
if self._nswindow is not None:
NSApp = NSApplication.sharedApplication()
NSApp.activateIgnoringOtherApps_(True)
self._nswindow.makeKeyAndOrderFront_(None)
def set_visible(self, visible=True):
self._visible = visible
if self._nswindow is not None:
if visible:
# Not really sure why on_resize needs to be here,
# but it's what pyglet wants.
self.dispatch_event('on_resize', self._width, self._height)
self.dispatch_event('on_show')
self.dispatch_event('on_expose')
self._nswindow.makeKeyAndOrderFront_(None)
else:
self._nswindow.orderOut_(None)
def minimize(self):
self._mouse_in_window = False
if self._nswindow is not None:
self._nswindow.miniaturize_(None)
def maximize(self):
if self._nswindow is not None:
self._nswindow.zoom_(None)
def set_vsync(self, vsync):
if pyglet.options['vsync'] is not None:
vsync = pyglet.options['vsync']
self._vsync = vsync # _recreate depends on this
if self.context:
self.context.set_vsync(vsync)
def _mouse_in_content_rect(self):
# Returns true if mouse is inside the window's content rectangle.
# Better to use this method to check manually rather than relying
# on instance variables that may not be set correctly.
point = NSEvent.mouseLocation()
window_frame = self._nswindow.frame()
rect = self._nswindow.contentRectForFrameRect_(window_frame)
return cocoapy.foundation.NSMouseInRect(point, rect, False)
def set_mouse_platform_visible(self, platform_visible=None):
# When the platform_visible argument is supplied with a boolean, then this
# method simply sets whether or not the platform mouse cursor is visible.
if platform_visible is not None:
if platform_visible:
SystemCursor.unhide()
else:
SystemCursor.hide()
# But if it has been called without an argument, it turns into
# a completely different function. Now we are trying to figure out
# whether or not the mouse *should* be visible, and if so, what it should
# look like.
else:
# If we are in mouse exclusive mode, then hide the mouse cursor.
if self._is_mouse_exclusive:
SystemCursor.hide()
# If we aren't inside the window, then always show the mouse
# and make sure that it is the default cursor.
elif not self._mouse_in_content_rect():
NSCursor.arrowCursor().set()
SystemCursor.unhide()
# If we are in the window, then what we do depends on both
# the current pyglet-set visibility setting for the mouse and
# the type of the mouse cursor. If the cursor has been hidden
# in the window with set_mouse_visible() then don't show it.
elif not self._mouse_visible:
SystemCursor.hide()
# If the mouse is set as a system-defined cursor, then we
# need to set the cursor and show the mouse.
# *** FIX ME ***
elif isinstance(self._mouse_cursor, CocoaMouseCursor):
self._mouse_cursor.set()
SystemCursor.unhide()
# If the mouse cursor is OpenGL drawable, then it we need to hide
# the system mouse cursor, so that the cursor can draw itself.
elif self._mouse_cursor.gl_drawable:
SystemCursor.hide()
# Otherwise, show the default cursor.
else:
NSCursor.arrowCursor().set()
SystemCursor.unhide()
def get_system_mouse_cursor(self, name):
# It would make a lot more sense for most of this code to be
# inside the CocoaMouseCursor class, but all of the CURSOR_xxx
# constants are defined as properties of BaseWindow.
if name == self.CURSOR_DEFAULT:
return DefaultMouseCursor()
cursors = {
self.CURSOR_CROSSHAIR: 'crosshairCursor',
self.CURSOR_HAND: 'pointingHandCursor',
self.CURSOR_HELP: 'arrowCursor',
self.CURSOR_NO: 'operationNotAllowedCursor', # Mac OS 10.6
self.CURSOR_SIZE: 'arrowCursor',
self.CURSOR_SIZE_UP: 'resizeUpCursor',
self.CURSOR_SIZE_UP_RIGHT: 'arrowCursor',
self.CURSOR_SIZE_RIGHT: 'resizeRightCursor',
self.CURSOR_SIZE_DOWN_RIGHT: 'arrowCursor',
self.CURSOR_SIZE_DOWN: 'resizeDownCursor',
self.CURSOR_SIZE_DOWN_LEFT: 'arrowCursor',
self.CURSOR_SIZE_LEFT: 'resizeLeftCursor',
self.CURSOR_SIZE_UP_LEFT: 'arrowCursor',
self.CURSOR_SIZE_UP_DOWN: 'resizeUpDownCursor',
self.CURSOR_SIZE_LEFT_RIGHT: 'resizeLeftRightCursor',
self.CURSOR_TEXT: 'IBeamCursor',
self.CURSOR_WAIT: 'arrowCursor', # No wristwatch cursor in Cocoa
self.CURSOR_WAIT_ARROW: 'arrowCursor', # No wristwatch cursor in Cocoa
}
if name not in cursors:
raise RuntimeError('Unknown cursor name "%s"' % name)
return CocoaMouseCursor(cursors[name])
def set_mouse_position(self, x, y, absolute=False):
if absolute:
# If absolute, then x, y is given in global display coordinates
# which sets (0,0) at top left corner of main display. It is possible
# to warp the mouse position to a point inside of another display.
quartz.CGWarpMouseCursorPosition(CGPoint(x,y))
else:
# Window-relative coordinates: (x, y) are given in window coords
# with (0,0) at bottom-left corner of window and y up. We find
# which display the window is in and then convert x, y into local
# display coords where (0,0) is now top-left of display and y down.
screenInfo = self._nswindow.screen().deviceDescription()
displayID = screenInfo.objectForKey_(cocoapy.get_NSString('NSScreenNumber'))
displayID = displayID.intValue()
displayBounds = quartz.CGDisplayBounds(displayID)
frame = self._nswindow.frame()
windowOrigin = frame.origin
x += windowOrigin.x
y = displayBounds.size.height - windowOrigin.y - y
quartz.CGDisplayMoveCursorToPoint(displayID, cocoapy.NSPoint(x, y))
def set_exclusive_mouse(self, exclusive=True):
self._is_mouse_exclusive = exclusive
if exclusive:
# Skip the next motion event, which would return a large delta.
self._mouse_ignore_motion = True
# Move mouse to center of window.
frame = self._nswindow.frame()
width, height = frame.size.width, frame.size.height
self.set_mouse_position(width/2, height/2)
quartz.CGAssociateMouseAndMouseCursorPosition(False)
else:
quartz.CGAssociateMouseAndMouseCursorPosition(True)
# Update visibility of mouse cursor.
self.set_mouse_platform_visible()
def set_exclusive_keyboard(self, exclusive=True):
# http://developer.apple.com/mac/library/technotes/tn2002/tn2062.html
# http://developer.apple.com/library/mac/#technotes/KioskMode/
# BUG: System keys like F9 or command-tab are disabled, however
# pyglet also does not receive key press events for them.
# This flag is queried by window delegate to determine whether
# the quit menu item is active.
self._is_keyboard_exclusive = exclusive
if exclusive:
# "Be nice! Don't disable force-quit!"
# -- Patrick Swayze, Road House (1989)
options = cocoapy.NSApplicationPresentationHideDock | \
cocoapy.NSApplicationPresentationHideMenuBar | \
cocoapy.NSApplicationPresentationDisableProcessSwitching | \
cocoapy.NSApplicationPresentationDisableHideApplication
else:
options = cocoapy.NSApplicationPresentationDefault
NSApp = NSApplication.sharedApplication()
NSApp.setPresentationOptions_(options)
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