def test_collection(self):
"""Tests whether a collection of several rectangle and point types convert to the expected L{RectLTRB}."""
rect=RectLTRB(left=10, top=15, right=500, bottom=1000)
self.assertEqual(RectLTRB.fromCollection(
rect.topLeft,
rect.bottomRight,
rect.center,
Point(15, 15),
Point(20, 20),
Point(50, 50),
Point(400, 400),
POINT(x=15, y=15),
POINT(x=20, y=20),
POINT(x=50, y=50),
POINT(x=400, y=400),
RectLTRB(left=450, top=450, right=490, bottom=990),
RECT(450, 450, 490, 990)
), rect)
location=RectLTWH(left=10, top=15, width=500, height=1000)
self.assertEqual(RectLTWH.fromCollection(
location.topLeft,
location.bottomRight,
location.center,
Point(15, 15),
Point(20, 20),
Point(50, 50),
Point(400, 400),
POINT(x=15, y=15),
POINT(x=20, y=20),
POINT(x=50, y=50),
POINT(x=400, y=400),
RectLTRB(left=450, top=450, right=505, bottom=1010),
RECT(450, 450, 490, 990)
), location)
def _get_boundingRects(self):
if self.isCollapsed:
return []
startOffset = self._startOffset
try:
firstVisibleOffset = self._getFirstVisibleOffset()
if firstVisibleOffset >= 0:
startOffset = max(startOffset, firstVisibleOffset)
except (LookupError, NotImplementedError):
pass
getLocationFromOffset = self._getBoundingRectFromOffset
try:
startLocation = getLocationFromOffset(startOffset)
except NotImplementedError:
# Getting bounding rectangles is not implemented.
# Therefore, we need to create a bounding rectangle with points.
# This, though less accurate, is acceptable for use cases within NVDA.
getLocationFromOffset = self._getPointFromOffset
startLocation = getLocationFromOffset(startOffset)
inclusiveEndOffset = self._endOffset - 1
try:
lastVisibleOffset = self._getLastVisibleOffset()
if lastVisibleOffset >= startOffset:
inclusiveEndOffset = min(inclusiveEndOffset, lastVisibleOffset)
except (LookupError, NotImplementedError):
pass
# If the inclusive end offset is greater than the start offset, we are working with a range.
# If not, i.e. the range only contains one character, we have only one location to deal with.
objLocation = self.obj.rootNVDAObject.location if isinstance(
self.obj, TreeInterceptor) else self.obj.location
rects = []
if inclusiveEndOffset > startOffset:
offset = startOffset
while offset <= inclusiveEndOffset:
lineStart, lineEnd = self._getLineOffsets(offset)
if lineStart < startOffset:
lineStart = startOffset
# Line offsets are exclusive, so the end offset is at the start of the next line, if any.
inclusiveLineEnd = lineEnd - 1
if inclusiveLineEnd > inclusiveEndOffset:
# The end offset is in this line
inclusiveLineEnd = inclusiveEndOffset
rects.append(
RectLTWH.fromCollection(
startLocation if lineStart == startOffset else
getLocationFromOffset(lineStart),
getLocationFromOffset(inclusiveLineEnd)))
offset = inclusiveLineEnd + 1
else:
if isinstance(startLocation, textInfos.Point):
rects.append(RectLTWH.fromPoint(startLocation))
else:
rects.append(startLocation)
intersectedRects = []
for rect in rects:
intersection = rect.intersection(objLocation)
if not any(intersection):
continue
intersectedRects.append(intersection)
return intersectedRects
def _get_boundingRects(self): # The base implementation for OffsetsTextInfo is conservative, # However here, since bounding rectangles are always known and on screen, we can use them all. lineEndOffsets = [ offset for offset in self._storyFieldsAndRects[2] if self._startOffset < offset < self._endOffset ] lineEndOffsets.append(self._endOffset) startOffset = endOffset = self._startOffset rects = [] for lineEndOffset in lineEndOffsets: startOffset=endOffset endOffset=lineEndOffset rects.append(RectLTWH.fromCollection(*self._storyFieldsAndRects[1][startOffset:endOffset]).toPhysical(self.obj.windowHandle)) return rects
def _get_boundingRects(self): # The base implementation for OffsetsTextInfo is conservative, # However here, since bounding rectangles are always known and on screen, we can use them all. lineEndOffsets = [ offset for offset in self._storyFieldsAndRects[2] if self._startOffset < offset < self._endOffset ] lineEndOffsets.append(self._endOffset) startOffset = endOffset = self._startOffset rects = [] for lineEndOffset in lineEndOffsets: startOffset=endOffset endOffset=lineEndOffset rects.append(RectLTWH.fromCollection(*self._storyFieldsAndRects[1][startOffset:endOffset].toPhysical(self.obj.windowHandle))) return rects
def _get_boundingRects(self):
# The base implementation for OffsetsTextInfo is conservative,
# However here, since bounding rectangles are always known and on screen, we can use them all.
lineEndOffsets = [
offset for offset in self._storyFieldsAndRects[2]
if self._startOffset < offset < self._endOffset
]
lineEndOffsets.append(self._endOffset)
startOffset = endOffset = self._startOffset
rects = []
for lineEndOffset in lineEndOffsets:
startOffset = endOffset
endOffset = lineEndOffset
lineRect = RectLTWH.fromCollection(
*self._storyFieldsAndRects[1][startOffset:endOffset])
try:
lineRect = lineRect.toPhysical(self.obj.windowHandle)
except RuntimeError:
raise LookupError(
f"Couldn't convert line rectangle at offsets {startOffset} to {endOffset} "
"to physical coordinates")
rects.append(lineRect)
return rects
def _get_boundingRects(self): if self.isCollapsed: return [] startOffset = self._startOffset try: firstVisibleOffset = self._getFirstVisibleOffset() if firstVisibleOffset >=0: startOffset = max(startOffset, firstVisibleOffset) except (LookupError, NotImplementedError): pass getLocationFromOffset = self._getBoundingRectFromOffset try: startLocation = getLocationFromOffset(startOffset) except NotImplementedError: # Getting bounding rectangles is not implemented. # Therefore, we need to create a bounding rectangle with points. # This, though less accurate, is acceptable for use cases within NVDA. getLocationFromOffset = self._getPointFromOffset startLocation = getLocationFromOffset(startOffset) inclusiveEndOffset = self._endOffset - 1 try: lastVisibleOffset = self._getLastVisibleOffset() if lastVisibleOffset >= startOffset: inclusiveEndOffset = min(inclusiveEndOffset, lastVisibleOffset) except (LookupError, NotImplementedError): pass # If the inclusive end offset is greater than the start offset, we are working with a range. # If not, i.e. the range only contains one character, we have only one location to deal with. obj = self.obj.rootNVDAObject if isinstance(self.obj, TreeInterceptor) else self.obj for i in range(100): objLocation = obj.location if objLocation: break obj = obj.parent if not objLocation: raise LookupError rects = [] if inclusiveEndOffset > startOffset: offset = startOffset while offset <= inclusiveEndOffset: lineStart, lineEnd = self._getLineOffsets(offset) if lineStart < startOffset: lineStart = startOffset # Line offsets are exclusive, so the end offset is at the start of the next line, if any. inclusiveLineEnd = lineEnd - 1 if inclusiveLineEnd > inclusiveEndOffset: # The end offset is in this line inclusiveLineEnd = inclusiveEndOffset rects.append( RectLTWH.fromCollection( startLocation if lineStart == startOffset else getLocationFromOffset(lineStart), getLocationFromOffset(inclusiveLineEnd) ) ) offset = inclusiveLineEnd + 1 else: if isinstance(startLocation, textInfos.Point): rects.append(RectLTWH.fromPoint(startLocation)) else: rects.append(startLocation) intersectedRects = [] for rect in rects: intersection = rect.intersection(objLocation) if not any(intersection): continue intersectedRects.append(intersection) return intersectedRects
