def _scrollIntoView(self):
"""
Makes sure the cursor is visible by applying an appropriate scroll amount.
"""
hratio = getHPixelScalar()
textArea = self.component
widthMode = textArea.widthMode
textArea.widthMode = 'PIXEL'
textAreaWidth = textArea.width / hratio
textArea.widthMode = widthMode
cursorPosInPixels = textArea.cursor.position.x / hratio
relCursorPos = cursorPosInPixels - self.scrollInPixels
if relCursorPos > 0 and relCursorPos < textAreaWidth:
return
textComponent = textArea.text
cursorIdx = self.cursorIndex
if relCursorPos < 0:
startingString = textComponent.text[cursorIdx -
SCROLL_SKIP_AMOUNT:cursorIdx +
1]
startingWidth = textComponent.stringWidth(startingString)
self.scrollInPixels = cursorPosInPixels - startingWidth
elif relCursorPos > textAreaWidth - 5:
trailingString = textComponent.text[cursorIdx - 1:cursorIdx +
SCROLL_SKIP_AMOUNT]
trailingWidth = textComponent.stringWidth(trailingString)
self.scrollInPixels = cursorPosInPixels - textAreaWidth + trailingWidth
self.scrollInPixels = max(self.scrollInPixels, 0)
self.scrollInPixels = min(
self.scrollInPixels,
abs(self._textWidthInPixels() - textAreaWidth) + CURSOR_WIDTH)
self._applyScroll()
def _applyScroll(self):
"""
Takes the internal scrollInPixels and applies it to the textArea.
"""
scrollX = -self.scrollInPixels / (GUI.screenResolution()[0] * 0.5)
scrollX = scrollX * getHPixelScalar()
self.component.scroll = (scrollX, 0.0)
def _applyScroll(self):
"""
Takes the internal scrollInPixels and applies it to the textArea.
"""
scrollX = -self.scrollInPixels / (GUI.screenResolution()[0] * 0.5)
scrollX = scrollX * getHPixelScalar()
self.component.scroll = (scrollX, 0.0)
def _scrollIntoView(self):
"""
Makes sure the cursor is visible by applying an appropriate scroll amount.
"""
hratio = getHPixelScalar()
textArea = self.component
widthMode = textArea.widthMode
textArea.widthMode = 'PIXEL'
textAreaWidth = textArea.width / hratio
textArea.widthMode = widthMode
cursorPosInPixels = textArea.cursor.position.x / hratio
relCursorPos = cursorPosInPixels - self.scrollInPixels
if relCursorPos > 0 and relCursorPos < textAreaWidth:
return
textComponent = textArea.text
cursorIdx = self.cursorIndex
if relCursorPos < 0:
startingString = textComponent.text[cursorIdx - SCROLL_SKIP_AMOUNT:cursorIdx + 1]
startingWidth = textComponent.stringWidth(startingString)
self.scrollInPixels = cursorPosInPixels - startingWidth
elif relCursorPos > textAreaWidth - 5:
trailingString = textComponent.text[cursorIdx - 1:cursorIdx + SCROLL_SKIP_AMOUNT]
trailingWidth = textComponent.stringWidth(trailingString)
self.scrollInPixels = cursorPosInPixels - textAreaWidth + trailingWidth
self.scrollInPixels = max(self.scrollInPixels, 0)
self.scrollInPixels = min(self.scrollInPixels, abs(self._textWidthInPixels() - textAreaWidth) + CURSOR_WIDTH)
self._applyScroll()
def _updateCursor(self):
"""
Updates the cursor position, clamping it to a valid index range.
The visual cursor representation is positioned.
"""
text = self._getText()
textLen = len(text.text)
self.cursorIndex = max(self.cursorIndex, 0)
self.cursorIndex = min(self.cursorIndex, textLen)
cursorComp = self.cursor.comp
cursorComp.position.x = text.stringWidth(text.text[:self.cursorIndex]) * getHPixelScalar()
self._scrollIntoView()
self.cursor.enable(self.enabled and not gotComposition() and isFocusedComponent(self.component))
def _updateCursor(self):
"""
Updates the cursor position, clamping it to a valid index range.
The visual cursor representation is positioned.
"""
text = self._getText()
textLen = len(text.text)
self.cursorIndex = max(self.cursorIndex, 0)
self.cursorIndex = min(self.cursorIndex, textLen)
cursorComp = self.cursor.comp
cursorComp.position.x = text.stringWidth(
text.text[:self.cursorIndex]) * getHPixelScalar()
self._scrollIntoView()
self.cursor.enable(self.enabled and not gotComposition()
and isFocusedComponent(self.component))
def screenToCharacterIndex(self, clipPos):
"""
Given a screen clip space position, this will calculate
the closest index into the edit field text.
"""
oldWidthMode = self.component.widthMode
self.component.widthMode = 'PIXEL'
locPos = self.component.screenToLocal(clipPos)
self.component.widthMode = oldWidthMode
clickedAtPixel = locPos.x / getHPixelScalar()
w = 0
idx = 0
text = self.component.text.text
for c in text:
cw = self.component.text.stringWidth(c)
if clickedAtPixel <= w + cw / 2:
return idx
w += cw
idx += 1
return len(text)
def screenToCharacterIndex(self, clipPos):
"""
Given a screen clip space position, this will calculate
the closest index into the edit field text.
"""
oldWidthMode = self.component.widthMode
self.component.widthMode = 'PIXEL'
locPos = self.component.screenToLocal(clipPos)
self.component.widthMode = oldWidthMode
clickedAtPixel = locPos.x / getHPixelScalar()
w = 0
idx = 0
text = self.component.text.text
for c in text:
cw = self.component.text.stringWidth(c)
if clickedAtPixel <= w + cw / 2:
return idx
w += cw
idx += 1
return len(text)
def _widthInPixels(self):
widthMode = self.component.widthMode
self.component.widthMode = 'PIXEL'
w = self.component.width
self.component.widthMode = widthMode
return w / getHPixelScalar()
def _widthInPixels(self):
widthMode = self.component.widthMode
self.component.widthMode = 'PIXEL'
w = self.component.width
self.component.widthMode = widthMode
return w / getHPixelScalar()
