def scroll(self, z):
if self.isSubMenuNeedScroll():
self.subMenuOffsetIdx = clamp(0, self.subMenuOffsetIdx + z, len(self.children))
sw, sh = self.subMenuSize
dw, dh = self.window.size
h = 0
idx = 0
for c in self.children[: self.subMenuOffsetIdx]:
h += c.height
if sh - h < dh:
h = sh - dh
self.subMenuOffsetIdx = idx
break
idx += 1
rh = 0 # remain height
for c in self.children[self.subMenuOffsetIdx :]:
rh += c.height
c.dirty = True
if rh > dh:
break
self.subMenuOffset.Reset(0.3, -h)
self.dirty = True
return True
return hasattr(self, "subMenuExpand") and self.subMenuExpand
def scroll(self, z):
if self.fullSize > self.height:
self.subMenuOffsetIdx = clamp(0, self.subMenuOffsetIdx + z, len(self.children))
sw, sh = self.width, self.fullSize
dw, dh = self.window.size
h = 0
idx = 0
for c in self.children[: self.subMenuOffsetIdx]:
h += c.height
if sh - h < dh:
h = sh - dh
self.subMenuOffsetIdx = idx
break
idx += 1
rh = 0 # remain height
for c in self.children[self.subMenuOffsetIdx :]:
rh += c.height
c.dirty = True
if rh > dh:
break
self.onScroll(float(h) / self.fullSize)
self.dirty = True
return True
return True
def __getSubMenuPos(self):
mw, mh = self.subMenuSize
# calc the expect position
if self.sysMenuItem:
pos = 0, self.height
else:
# default sub menu is on the right side
pm = self.popupMenu
pos = self.width - (pm.subMenuIndent if pm else 0), -(mh - self.height) / 2
# return (pm.subMenuIndent if pm else 0) - self.subMenuSize[0], 0
# fix position to prevent outside the window
dw, dh = self.window.size
l, t = self.local2global(*pos)
if l + mw > dw: # display sub menu on left side
_l, _t = (pm.subMenuIndent if pm else 0) - mw, pos[1]
l, t = self.local2global(_l, _t)
l = max(0, l)
if mh > dh:
t = 0
else:
t = clamp(0, t, dh - mh)
pos = self.global2local(l, t)
return pos
def __getSubMenuPos(self):
mw, mh = self.subMenuSize
# calc the expect position
if self.sysMenuItem:
pos = 0, self.height
else:
# default sub menu is on the right side
pm = self.popupMenu
pos = self.width - (pm.subMenuIndent
if pm else 0), -(mh - self.height) / 2
#return (pm.subMenuIndent if pm else 0) - self.subMenuSize[0], 0
# fix position to prevent outside the window
dw, dh = self.window.size
l, t = self.local2global(*pos)
if l + mw > dw: # display sub menu on left side
_l, _t = (pm.subMenuIndent if pm else 0) - mw, pos[1]
l, t = self.local2global(_l, _t)
l = max(0, l)
if mh > dh:
t = 0
else:
t = clamp(0, t, dh - mh)
pos = self.global2local(l, t)
return pos
def scroll(self, z):
if self.fullSize > self.height:
self.subMenuOffsetIdx = clamp(0, self.subMenuOffsetIdx + z,
len(self.children))
sw, sh = self.width, self.fullSize
dw, dh = self.window.size
h = 0
idx = 0
for c in self.children[:self.subMenuOffsetIdx]:
h += c.height
if sh - h < dh:
h = sh - dh
self.subMenuOffsetIdx = idx
break
idx += 1
rh = 0 # remain height
for c in self.children[self.subMenuOffsetIdx:]:
rh += c.height
c.dirty = True
if rh > dh:
break
self.onScroll(float(h) / self.fullSize)
self.dirty = True
return True
return True
def scroll(self, z):
if self.isSubMenuNeedScroll():
self.subMenuOffsetIdx = clamp(0, self.subMenuOffsetIdx + z,
len(self.children))
sw, sh = self.subMenuSize
dw, dh = self.window.size
h = 0
idx = 0
for c in self.children[:self.subMenuOffsetIdx]:
h += c.height
if sh - h < dh:
h = sh - dh
self.subMenuOffsetIdx = idx
break
idx += 1
rh = 0 # remain height
for c in self.children[self.subMenuOffsetIdx:]:
rh += c.height
c.dirty = True
if rh > dh:
break
self.subMenuOffset.Reset(0.3, -h)
self.dirty = True
return True
return hasattr(self, 'subMenuExpand') and self.subMenuExpand
def moveToFocus(self, anim=True):
'''
move focus item to center
'''
#prevent invalid offset when list item is less than view
old_o1 = -self.o1.QueryValue()
o1 = 0
if self.cellSize * len(self._items) <= self.viewSize:
o1 = 0
if anim:
self.o1.Reset(self.animTime, 0)
else:
self.o1.Assign(0)
else:
o1 = (self.cellSize + self.cellMargin) * self.focusIdx - (
self.viewSize - self.cellSize - self.cellMargin) / 2
o1 = clamp(0, o1, self._full - self.viewSize)
if anim:
self.o1.Reset(self.animTime, -o1)
else:
self.o1.Assign(-o1)
#self.o1 = -o1
self.__resetDisplayRange(old_o1, o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def onSlideMove(self, x, y):
self.thumbStart = clamp(self.__start,
self.__capPos + (y if self.vertical else x),
self.__end)
self._thumbStartAnim.ForceAssign(int(self.thumbStart))
if self.snap == 0:
self.__updateValue()
def __onScroll(self, x, y):
if self.vertical:
offset = float(y) / self.height
else:
offset = float(x) / self.width
self.__offset = clamp(0, self.__capOffset + offset, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def onKey(self, key):
if self.vertical and (key == 'UP' or key == 'DOWN') or not self.vertical and (key == 'LEFT' or key == 'RIGHT'):
interval = float(self.valueRange[1] - self.valueRange[0]) / 10
if key == 'UP' or key == 'LEFT':
interval = -interval
self.value = clamp(self.valueRange[0], self.value + interval, self.valueRange[1])
return True
return super(Slider, self).onKey(key)
def __onScroll(self, x, y):
if self.vertical:
offset = float(y) / self.height
else:
offset = float(x) / self.width
self.__offset = clamp(0, self.__capOffset + offset, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def __onMouseWheel(self, delta):
old_o1 = -self.o1.QueryValue()
#o1 = -self.o1
new_o1 = old_o1 - delta * (self.cellSize + self.cellMargin)
new_o1 = clamp(0, new_o1, max(0, self._full - self.viewSize))
self.o1.Reset(self.animTime, -new_o1)
self.__resetDisplayRange(old_o1, new_o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def onSlideTo(self, x, y, flag):
self.thumbStart = clamp(self.__start, (y - self.thumb.height / 2) if self.vertical else (x - self.thumb.width / 2), self.__end)
if self.snap > 0:
self.__updateValue()
self.__updateThumbPos()
else:
self._thumbStartAnim.ForceAssign(int(self.thumbStart))
self.__updateValue()
self.invoke('Slide To', self.__value)
def __onMouseWheel(self, delta):
old_o1 = -self.o1.QueryValue()
#o1 = -self.o1
new_o1 = old_o1 - delta * (self.cellSize + self.cellMargin)
new_o1 = clamp( 0, new_o1, max(0, self._full - self.viewSize) )
self.o1.Reset( self.animTime, -new_o1 )
self.__resetDisplayRange(old_o1, new_o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def onSlideTo(self, x, y, flag):
self.thumbStart = clamp(
self.__start, (y - self.thumb.height / 2) if self.vertical else
(x - self.thumb.width / 2), self.__end)
if self.snap > 0:
self.__updateValue()
self.__updateThumbPos()
else:
self._thumbStartAnim.ForceAssign(int(self.thumbStart))
self.__updateValue()
self.invoke('Slide To', self.__value)
def onKey(self, key):
if self.vertical and (key == 'UP'
or key == 'DOWN') or not self.vertical and (
key == 'LEFT' or key == 'RIGHT'):
interval = float(self.valueRange[1] - self.valueRange[0]) / 10
if key == 'UP' or key == 'LEFT':
interval = -interval
self.value = clamp(self.valueRange[0], self.value + interval,
self.valueRange[1])
return True
return super(Slider, self).onKey(key)
def onSize(self):
self.onCellSize()
# full size (self._full) and view size (self.width)
self._full = (self.cellSize + self.cellMargin) * len(self._items) + self.cellMargin
#
old_o1 = -self.o1.QueryValue()
if self._full > self.viewSize:
new_o1 = clamp( 0, old_o1, max(self._full - self.viewSize, self.viewSize) )
else:
new_o1 = 0
self.o1.Reset( self.animTime, -new_o1 )
self.__resetDisplayRange(old_o1, new_o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def onSize(self):
self.onCellSize()
# full size (self._full) and view size (self.width)
self._full = (self.cellSize + self.cellMargin) * len(
self._items) + self.cellMargin
#
old_o1 = -self.o1.QueryValue()
if self._full > self.viewSize:
new_o1 = clamp(0, old_o1,
max(self._full - self.viewSize, self.viewSize))
else:
new_o1 = 0
self.o1.Reset(self.animTime, -new_o1)
self.__resetDisplayRange(old_o1, new_o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def moveToFocus(self, anim = True):
'''
move focus item to center
'''
#prevent invalid offset when list item is less than view
old_o1 = -self.o1.QueryValue()
o1 = 0
if self.cellSize * len(self._items) <= self.viewSize:
o1 = 0
if anim:
self.o1.Reset( self.animTime, 0 )
else:
self.o1.Assign( 0 )
else:
o1 = (self.cellSize + self.cellMargin) * self.focusIdx - (self.viewSize-self.cellSize-self.cellMargin) / 2
o1 = clamp(0, o1, self._full - self.viewSize)
if anim:
self.o1.Reset( self.animTime, -o1 )
else:
self.o1.Assign( -o1 )
#self.o1 = -o1
self.__resetDisplayRange(old_o1, o1)
if self._full:
self.invoke('Fix Scroll', -self.o1 / self._full)
def __getThumbSize(self):
if self.vertical:
size = self.height
else:
size = self.width
return clamp(self.thumbMinSize, self.pageSize * size, size)
def onSlideMove(self, x, y):
self.thumbStart = clamp(self.__start, self.__capPos + (y if self.vertical else x), self.__end)
self._thumbStartAnim.ForceAssign(int(self.thumbStart))
if self.snap == 0:
self.__updateValue()
def __getThumbSize(self):
if self.vertical:
size = self.height
else:
size = self.width
return clamp(self.thumbMinSize, self.pageSize * size, size)
def fixScroll(self, value):
self.__offset = clamp(0, value, self.maxOffset)
self.__animScroll(self.thumbStart)
def onScroll(self, offset):
view = self.height if self.orientation == 'Vertical' else self.width
full = self.fullSize
if full > view:
offset = clamp(0, offset, float(full - view) / full)
self.scrollOffset.Reset(0.3, full * offset)
def __fixScroll(self):
offset = clamp(0, self.__offset, self.maxOffset)
if offset != self.__offset:
self.__offset = offset
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def onSizeMove(self, x, y):
self.width = clamp(self.minSize[0], self.__capWidth + x, self.parent.width)
self.height = clamp(self.minSize[1], self.__capHeight + y, self.parent.height)
def onPageDown(self):
self.__offset = clamp(0, self.__offset + self.pageSize, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def onScroll(self, offset):
view = self.height if self.orientation == 'Vertical' else self.width
full = self.fullSize
if full > view:
offset = clamp(0, offset, float(full - view) / full)
self.scrollOffset.Reset(0.3, full * offset)
def fixScroll(self, value):
self.__offset = clamp(0, value, self.maxOffset)
self.__animScroll(self.thumbStart)
def onPageDown(self):
self.__offset = clamp(0, self.__offset + self.pageSize, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def relayout(self, *argv):
super(PopupMenu, self).relayout(*argv)
window = self.window
if window:
self.xy = clamp(0, self.left, window.width - self.width), clamp(
0, self.top, window.height - self.height)
def relayout(self, *argv):
super(PopupMenu, self).relayout(*argv)
window = self.window
if window:
self.xy = clamp(0, self.left, window.width - self.width), clamp(0, self.top, window.height - self.height)
def setScroll(self, value):
self.__offset = clamp(0, value, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def setScroll(self, value):
self.__offset = clamp(0, value, self.maxOffset)
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
def __focus(self, idx):
self.focusIdx = clamp(0, idx, len(self._items)-1 )
self.moveToFocus()
def __focus(self, idx):
self.focusIdx = clamp(0, idx, len(self._items) - 1)
self.moveToFocus()
def onSizeMove(self, x, y):
self.width = clamp(self.minSize[0], self.__capWidth + x,
self.parent.width)
self.height = clamp(self.minSize[1], self.__capHeight + y,
self.parent.height)
def __fixScroll(self):
offset = clamp(0, self.__offset, self.maxOffset)
if offset != self.__offset:
self.__offset = offset
self.__onChangeOffset()
self.__animScroll(self.thumbStart)
