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207 lines
8.1 KiB
207 lines
8.1 KiB
#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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from TermTk.TTkCore.constant import TTkConstant, TTkK |
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from TermTk.TTkCore.log import TTkLog |
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from TermTk.TTkCore.cfg import * |
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from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal |
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from TermTk.TTkWidgets.widget import TTkWidget |
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from TermTk.TTkWidgets.spacer import TTkSpacer |
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from TermTk.TTkWidgets.frame import TTkFrame |
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from TermTk.TTkLayouts.gridlayout import TTkGridLayout |
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''' |
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_curentIndex = 2 |
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_labelPos = [0],[1], [2], [3], [4], |
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╭─┌──┌──────╔══════╗──────┬──────┐─╮ |
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_labels= │◀│La│Label1║Label2║Label3│Label4│▶│ |
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╞═══════════╩══════╩═══════════════╡ |
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leftscroller rightScroller |
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''' |
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class TTkTabWidget(TTkFrame): |
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__slots__ = ( |
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'_viewport', |
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'_tabColor', '_tabBorderColor', '_tabSelectColor', '_tabOffsetColor', |
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'_tabColorFocus', '_tabBorderColorFocus', '_tabSelectColorFocus', '_tabOffsetColorFocus', |
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'_tabWidgets', '_labels', '_labelsPos', |
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'_offset', '_currentIndex', |
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'_leftScroller', '_rightScroller', |
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'_tabMovable', '_tabClosable') |
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def __init__(self, *args, **kwargs): |
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self._tabWidgets = [] |
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self._labels = [] |
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self._labelsPos = [] |
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self._currentIndex = 0 |
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self._offset = 0 |
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self._tabMovable = False |
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self._tabClosable = False |
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self._leftScroller = False |
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self._rightScroller = False |
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self._tabColor = TTkCfg.theme.tabColor |
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self._tabBorderColor = TTkCfg.theme.tabBorderColor |
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self._tabSelectColor = TTkCfg.theme.tabSelectColor |
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self._tabOffsetColor = TTkCfg.theme.tabOffsetColor |
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self._tabColorFocus = TTkCfg.theme.tabColorFocus |
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self._tabBorderColorFocus = TTkCfg.theme.tabBorderColorFocus |
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self._tabSelectColorFocus = TTkCfg.theme.tabSelectColorFocus |
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self._tabOffsetColorFocus = TTkCfg.theme.tabOffsetColorFocus |
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TTkFrame.__init__(self, *args, **kwargs) |
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self._name = kwargs.get('name' , 'TTkTabWidget') |
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self.setLayout(TTkGridLayout()) |
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self._viewport = TTkWidget(layout=TTkGridLayout()) |
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self.layout().addWidget(self._viewport,0,0) |
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#self.layout().addWidget(TTkSpacer(),0,1) |
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#self.layout().addWidget(TTkSpacer(),1,0) |
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if self.border(): |
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self.setPadding(3,1,1,1) |
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else: |
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self.setPadding(2,0,0,0) |
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self.setFocusPolicy(TTkK.ClickFocus + TTkK.TabFocus) |
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def addTab(self, widget, label): |
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widget.hide() |
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self._tabWidgets.append(widget) |
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self._labels.append(label) |
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self._viewport.addWidget(widget) |
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self._updateTabs() |
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def insertTab(self, index, widget, label): |
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widget.hide() |
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self._tabWidgets.insert(index, widget) |
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self._labels.insert(index, label) |
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self._viewport.addWidget(widget) |
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self._updateTabs() |
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def _updateTabs(self): |
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xpos = 0+2 |
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w = self.width()-4 |
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self._labelsPos = [] |
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self._leftScroller = False |
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self._rightScroller = False |
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minLabelLen = 0 |
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for label in self._labels: |
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labelLen = len(label) |
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if xpos+labelLen > w: |
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xpos = w-labelLen |
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self._leftScroller = True |
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self._rightScroller = True |
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self._labelsPos.append(xpos) |
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xpos += labelLen+1 |
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if minLabelLen < labelLen: |
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minLabelLen = labelLen |
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self.setMinimumWidth(minLabelLen+2+4) |
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for i, widget in enumerate(self._tabWidgets): |
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if self._currentIndex == i: |
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widget.show() |
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else: |
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widget.hide() |
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self.update() |
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def resizeEvent(self, w, h): |
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self._updateTabs() |
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def mousePressEvent(self, evt): |
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x,y = evt.x, evt.y |
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w = self.width() |
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offset = self._offset |
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if self.border(): |
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if y>2: return False |
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else: |
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if y>1: return False |
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# Check from the selected to the left and from selected+1 to the right |
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if self._leftScroller and x<2 and offset>0: |
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self._offset -= 1 |
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self._updateTabs() |
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return True |
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if self._rightScroller and x>w-3 and offset<len(self._labels)-1: |
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self._offset += 1 |
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self._updateTabs() |
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return True |
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for i in list(reversed(range(offset+1 )) ) + \ |
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list( range(offset+1, len(self._labels)) ) : |
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posx = self._labelsPos[i] |
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tablen = len(self._labels[i])+2 |
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if posx <= x < (posx+tablen): |
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self._currentIndex = i |
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self._offset = i |
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self._updateTabs() |
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return True |
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return False |
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def mouseDragEvent(self, evt): |
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return False |
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def wheelEvent(self, evt): |
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_,y = evt.x, evt.y |
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if y>2: return False |
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if evt.evt == TTkK.WHEEL_Down: |
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if self._currentIndex < len(self._labels)-1: |
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self._currentIndex += 1 |
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else: |
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if self._currentIndex > 0: |
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self._currentIndex -= 1 |
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self._offset = self._currentIndex |
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self._updateTabs() |
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return True |
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def keyEvent(self, evt): |
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if evt.type == TTkK.SpecialKey and evt.key == TTkK.Key_Right: |
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self._offset = min(self._offset+1,len(self._labels)-1) |
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self._updateTabs() |
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return True |
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if evt.type == TTkK.SpecialKey and evt.key == TTkK.Key_Left: |
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self._offset = max(self._offset-1,0) |
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self._updateTabs() |
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return True |
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if ( evt.type == TTkK.Character and evt.key==" " ) or \ |
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( evt.type == TTkK.SpecialKey and evt.key == TTkK.Key_Enter ): |
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self._currentIndex = self._offset |
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self._updateTabs() |
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return True |
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return False |
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def paintEvent(self): |
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if self.hasFocus(): |
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tabColor = self._tabColorFocus |
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tabBorderColor = self._tabBorderColorFocus |
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tabSelectColor = self._tabSelectColorFocus |
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tabOffsetColor = self._tabOffsetColorFocus |
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else: |
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tabColor = self._tabColor |
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tabBorderColor = self._tabBorderColor |
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tabSelectColor = self._tabSelectColor |
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tabOffsetColor = self._tabOffsetColor |
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if self.border(): |
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self._canvas.drawBox(pos=(0,2),size=(self._width,self._height-2), color=tabBorderColor, grid=9) |
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self._canvas.drawTab( |
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pos=(0,0), size=self.size(), slim=not self.border(), |
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labels=self._labels, labelsPos=self._labelsPos, |
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selected=self._currentIndex, offset=self._offset, |
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leftScroller=self._leftScroller, rightScroller=self._rightScroller, |
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color=tabColor, borderColor=tabBorderColor, selectColor=tabSelectColor, offsetColor=tabOffsetColor) |
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