def __updateCursor(self, cursorNode, cursorContainer, textNode):
if self.__cursorPosition == 0:
lastCharPos = (0,0)
lastCharExtents = (0,0)
else:
lastCharPos = textNode.getGlyphPos(self.__cursorPosition - 1)
lastCharExtents = textNode.getGlyphSize(self.__cursorPosition - 1)
if self.__data[self.__cursorPosition - 1] == '\n':
lastCharPos = (0, lastCharPos[1] + lastCharExtents[1])
lastCharExtents = (0, lastCharExtents[1])
xPos = cursorNode.pos2.x
cursorNode.pos2 = Point2D(xPos, textNode.realFontSize.y * \
(1 - CURSOR_PADDING_PCT/100.0))
if textNode.alignment != "left":
if len(self.__data) > 0:
lineWidth = textNode.getLineExtents(self.__selectTextLine(lastCharPos,
textNode))
else:
lineWidth = Point2D(0,0)
if textNode.alignment == "center":
lineWidth *= 0.5
cursorContainer.x = textNode.alignmentOffset.x - lineWidth.x + \
lastCharPos[0] + lastCharExtents[0] + self.__border[0]
else:
cursorContainer.x = lastCharPos[0] + lastCharExtents[0] + self.__border[0]
cursorContainer.y = (lastCharPos[1] +
cursorNode.pos2.y * CURSOR_PADDING_PCT/200.0 + self.__border[1])
def __updateCursorPosition(self, event):
eventPos = self.__textNode.getRelPos(event.pos)
if len(self.__data) > 0:
lineWidth = self.__textNode.getLineExtents(self.__selectTextLine(eventPos,
self.__textNode))
else:
lineWidth = Point2D(0,0)
if self.__textNode.alignment != "left":
if self.__textNode.alignment == "center":
eventPos = Point2D(eventPos.x + lineWidth.x / 2, eventPos.y)
else:
eventPos = Point2D(eventPos.x + lineWidth.x, eventPos.y)
length = len(self.__data)
if length > 0:
index = self.__textNode.getCharIndexFromPos(eventPos) # click on letter
if index is None: # click behind line
realLines = self.__textNode.getNumLines() - 1
for line in range(realLines + 1):
curLine = self.__textNode.getLineExtents(line)
minMaxHight = (curLine[1] * line,curLine[1] * (line + 1) )
if minMaxHight[0] <= eventPos[1] < minMaxHight[1]:
if curLine[0] != 0: # line with letters
correction = 1
if self.__textNode.alignment != "left":
if eventPos[0] < 0:
targetLine = (1, curLine[1] * line)
correction = 0
else:
targetLine = (curLine[0] - 1, curLine[1] * line)
else:
targetLine = (curLine[0] - 1, curLine[1] * line)
index = (self.__textNode.getCharIndexFromPos(targetLine)
+ correction)
else: # empty line
count = 0
for char in range(length-1):
if count < line:
if self.__textNode.text[char] == "\n":
count += 1
else:
index = char
break
break
if index is None: # click under text
curLine = self.__textNode.getLineExtents(realLines)
curLine *= realLines
index = self.__textNode.getCharIndexFromPos( (eventPos[0],curLine[1]) )
if index is None:
index = length
self.__cursorPosition = index
self.__update()
self.__updateLoupe(event)
def __updateLoupe(self, event):
# setzt es mittig ueber das orginal
# self.__zoomedImage.pos = - self.getRelPos(event.pos) + self.__loupe.size / 2.0
# add zoomfactor position
# self.__zoomedImage.pos = - self.getRelPos(event.pos) + self.__loupe.size / 2.0 -\
# ( 0.0,(self.__textNode.fontsize * self.__loupeZoomFactor))
# add scrolling | without zoom positioning
self.__zoomedImage.pos = - self.getRelPos(event.pos) + self.__loupe.size / 2.0 - \
self.getRelPos(event.pos)* self.__loupeZoomFactor + Point2D(0,5)
self.__loupe.pos = self.getRelPos(event.pos) - self.__loupeOffset
def setStyle(self, font='sans', fontsize=12, alignment='left', variant='Regular',
color='000000', multiline=True, cursorWidth=None, border=(0,0),
blurOpacity=DEFAULT_BLUR_OPACITY, flashingCursor=False, cursorColor='000000',
lineSpacing=0, letterSpacing=0):
"""
Set TextArea's graphical appearance
@param font: font face
@param fontsize: font size in pixels
@param alignment: one among 'left', 'right', 'center'
@param variant: font variant (eg: 'bold')
@param color: RGB hex for text color
@param multiline: boolean, whether TextArea has to wrap (undefinitely)
or stop at full width
@param cursorWidth: int, width of the cursor in pixels
@param border: amount of offsetting pixels that words node will have from image
extents
@param blurOpacity: opacity that textarea gets when goes to blur state
@param flashingCursor: whether the cursor should flash or not
@param cursorColor: RGB hex for cursor color
@param lineSpacing: linespacing property of words node
@param letterSpacing: letterspacing property of words node
"""
self.__textNode.fontstyle = avg.FontStyle(font=font, fontsize=fontsize,
alignment=alignment, variant=variant, linespacing=lineSpacing,
letterspacing=letterSpacing)
self.__textNode.color = color
self.__isMultiline = multiline
self.__border = border
self.__maxLength = -1
self.__blurOpacity = blurOpacity
if multiline:
self.__textNode.width = int(self.width) - self.__border[0] * 2
self.__textNode.wrapmode = 'wordchar'
else:
self.__textNode.width = 0
self.__textNode.x = self.__border[0]
self.__textNode.y = self.__border[1]
tempNode = avg.WordsNode(text=u'W', font=font, fontsize=int(fontsize),
variant=variant)
self.__textNode.realFontSize = tempNode.getGlyphSize(0)
del tempNode
self.__textNode.alignmentOffset = Point2D(0,0)
if alignment != "left":
offset = Point2D(self.size.x / 2,0)
if alignment == "right":
offset = Point2D(self.size.x,0)
self.__textNode.pos += offset
self.__textNode.alignmentOffset = offset
self.__cursorContainer.pos = offset
self.__cursorNode.color = cursorColor
if cursorWidth is not None:
self.__cursorNode.strokewidth = cursorWidth
else:
w = float(fontsize) * CURSOR_WIDTH_PCT / 100.0
if w < 1:
w = 1
self.__cursorNode.strokewidth = w
x = self.__cursorNode.strokewidth / 2.0
self.__cursorNode.pos1 = Point2D(x, self.__cursorNode.pos1.y)
self.__cursorNode.pos2 = Point2D(x, self.__cursorNode.pos2.y)
self.__flashingCursor = flashingCursor
if not flashingCursor:
self.__cursorContainer.opacity = 1
if self.__loupe:
zoomfactor = (1.0 + self.__loupeZoomFactor)
self.__loupeTextNode.fontstyle = self.__textNode.fontstyle
self.__loupeTextNode.fontsize = int(fontsize) * zoomfactor
self.__loupeTextNode.color = color
if multiline:
self.__loupeTextNode.width = self.__textNode.width * zoomfactor
self.__loupeTextNode.wrapmode = 'wordchar'
else:
self.__loupeTextNode.width = 0
self.__loupeTextNode.x = self.__border[0] * 2
self.__loupeTextNode.y = self.__border[1] * 2
self.__loupeTextNode.realFontSize = self.__textNode.realFontSize * zoomfactor
if alignment != "left":
self.__loupeTextNode.pos = self.__textNode.pos * zoomfactor
self.__loupeTextNode.alignmentOffset = self.__textNode.alignmentOffset * \
zoomfactor
self.__loupeCursorContainer.pos = self.__cursorContainer.pos * zoomfactor
self.__loupeCursorNode.color = cursorColor
if cursorWidth is not None:
self.__loupeCursorNode.strokewidth = cursorWidth * zoomfactor
else:
w = float(self.__loupeTextNode.fontsize) * CURSOR_WIDTH_PCT / 100.0
if w < 1:
w = 1
self.__loupeCursorNode.strokewidth = w * zoomfactor
x = self.__loupeCursorNode.strokewidth / 2.0
self.__loupeCursorNode.pos1 = Point2D(x, self.__loupeCursorNode.pos1.y)
self.__loupeCursorNode.pos2 = Point2D(x, self.__loupeCursorNode.pos2.y)
if not flashingCursor:
self.__loupeCursorContainer.opacity = 1
self.__updateCursors()
