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285 lines
10 KiB
285 lines
10 KiB
# 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.cfg import TTkCfg |
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from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot |
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from TermTk.TTkCore.constant import TTkK |
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from TermTk.TTkCore.color import TTkColor |
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from TermTk.TTkCore.canvas import TTkCanvas |
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from TermTk.TTkLayouts import TTkGridLayout, TTkLayout |
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from TermTk.TTkWidgets.widget import TTkWidget |
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from TermTk.TTkWidgets.button import TTkButton |
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from TermTk.TTkWidgets.resizableframe import TTkResizableFrame |
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from TermTk.TTkAbstract.abstractscrollarea import TTkAbstractScrollArea |
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from TermTk.TTkAbstract.abstractscrollview import TTkAbstractScrollView, TTkAbstractScrollViewLayout, TTkAbstractScrollViewInterface |
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from .colors import * |
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from .scrollbar import * |
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__all__ = ['WBScrollWin'] |
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class _MinimizedButton(TTkButton): |
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__slots__ = ('_windowWidget') |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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self._windowWidget = kwargs.get('windowWidget') |
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def _cb(): |
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self._windowWidget.show() |
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self.close() |
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self.clicked.connect(_cb) |
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class WBScrollWiewport(TTkAbstractScrollView): |
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classStyle = { |
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'default': {'color': fgWHITE+bgBLUE}, |
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'disabled': {'color': fgWHITE+bgBLUE}, |
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'focus': {'color': fgWHITE+bgBLUE}, |
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} |
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__slots__ = () |
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def __init__(self, *args, **kwargs): |
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TTkAbstractScrollView.__init__(self, *args, **kwargs) |
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self.viewChanged.connect(self._viewChangedHandler) |
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@pyTTkSlot() |
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def _viewChangedHandler(self): |
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x,y = self.getViewOffsets() |
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self.layout().setOffset(-x,-y) |
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def maximumWidth(self): return 0x10000 |
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def maximumHeight(self): return 0x10000 |
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def minimumWidth(self): return 0 |
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def minimumHeight(self): return 0 |
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def paintEvent(self, canvas: TTkCanvas): |
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style = self.currentStyle() |
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color = style['color'] |
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canvas.fill(color=color) |
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class WBScrollWin(TTkResizableFrame): |
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'''WBScrollWin''' |
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_styleScrollBar = { |
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'default': {'color': bgWHITE+fgBLUE}, |
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'disabled': {'color': bgWHITE+fgBLUE}, |
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'focus': {'color': bgWHITE+fgBLUE}, |
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} |
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_styleBgWhite = { |
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'default': {'color': fgWHITE+bgBLUE}, |
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'disabled': {'color': fgWHITE+bgBLUE}, |
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'focus': {'color': fgWHITE+bgBLUE}, |
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} |
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_styleBgNone = { |
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'default': {'color': fgWHITE}, |
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'disabled': {'color': fgWHITE}, |
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'focus': {'color': fgWHITE}, |
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} |
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classStyle = { |
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'default': {'titleChar': '⚏', |
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'borderColor': bgWHITE+fgBLUE}, |
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'disabled': {'titleChar': '⚏', |
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'borderColor':bgWHITE+fgBLUE}, |
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'focus': {'titleChar': '☰', |
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'borderColor': bgWHITE+fgBLUE} |
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} |
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__slots__ = ( |
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# Copied from Scroll Area |
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'_viewport', |
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'_verticalScrollBar', |
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'_horizontalScrollBar', |
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# Copied from Window |
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'_mouseDelta', '_draggable', |
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'_btnClose', '_btnMax', '_btnMin', '_btnReduce', |
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'_flags', '_winTopLayout', |
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'_sbRight', '_sbBottom') |
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def __init__(self, whiteBg=True, *args, **kwargs): |
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self._winTopLayout = TTkGridLayout() |
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self._viewport = WBScrollWiewport() |
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super().__init__(*args, **kwargs|{'layout':TTkGridLayout()}) |
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self._verticalScrollBar = WBScrollBar(orientation=TTkK.VERTICAL) |
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self._horizontalScrollBar = WBScrollBar(orientation=TTkK.HORIZONTAL) |
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self.rootLayout().addWidgets([self._verticalScrollBar, self._horizontalScrollBar]) |
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if whiteBg: |
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self.mergeStyle(self._styleBgWhite) |
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else: |
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self.mergeStyle(self._styleBgNone) |
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self._flags = TTkK.NONE |
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self.setPadding(1,1,1,1) |
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self._mouseDelta = (0,0) |
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self.setFocusPolicy(TTkK.ClickFocus) |
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self._draggable = False |
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self.setViewport(self._viewport) |
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def setViewport(self, viewport): |
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if not isinstance(viewport, TTkAbstractScrollViewInterface): |
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raise TypeError("TTkAbstractScrollViewInterface is required in TTkAbstractScrollArea.setVewport(viewport)") |
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if self._viewport: |
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self._viewport.viewChanged.disconnect(self._viewportChanged) |
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if isinstance(self._viewport, TTkWidget): |
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self.layout().removeWidget(self._viewport) |
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else: |
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self.layout().removeItem(self._viewport) |
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self._viewport = viewport |
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self._viewport.viewChanged.connect(self._viewportChanged) |
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self._verticalScrollBar.sliderMoved.connect(self._vscrollMoved) |
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self._horizontalScrollBar.sliderMoved.connect(self._hscrollMoved) |
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if isinstance(viewport, TTkWidget): |
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self.layout().addWidget(viewport) |
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else: |
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self.layout().addItem(viewport) |
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self._resizeEvent() |
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def viewport(self): |
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return self._viewport |
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def _resizeEvent(self): |
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w,h = self.size() |
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self._verticalScrollBar.setGeometry( w-1, 1, 1, h-2) |
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self._horizontalScrollBar.setGeometry( 0 , h-1, w-1, 1 ) |
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# if self._viewport: |
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# self._viewport.setGeometry(0,0,w-2,h-2) |
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self._winTopLayout.setGeometry(1,1,w-2,1) |
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def resizeEvent(self, w, h): |
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super().resizeEvent(w,h) |
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self._resizeEvent() |
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@pyTTkSlot() |
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def _viewportChanged(self): |
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if not self.isVisible(): return |
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w,h = self.size() |
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fw, fh = self._viewport.viewFullAreaSize() |
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dw, dh = self._viewport.viewDisplayedSize() |
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ox, oy = self._viewport.getViewOffsets() |
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if 0 in [fw,fh,dw,dh]: |
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return |
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hpage = dw |
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vpage = dh |
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hrange = fw - dw |
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vrange = fh - dh |
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# TTkLog.debug(f"f:{fw,fh=}, d:{dw,dh=}, o:{ox,oy=}") |
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self._verticalScrollBar.setPageStep(vpage) |
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self._verticalScrollBar.setRange(0, vrange) |
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self._verticalScrollBar.setValue(oy) |
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self._horizontalScrollBar.setPageStep(hpage) |
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self._horizontalScrollBar.setRange(0, hrange) |
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self._horizontalScrollBar.setValue(ox) |
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self._resizeEvent() |
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@pyTTkSlot(int) |
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def _vscrollMoved(self, val): |
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ox, _ = self._viewport.getViewOffsets() |
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self._viewport.viewMoveTo(ox, val) |
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@pyTTkSlot(int) |
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def _hscrollMoved(self, val): |
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_, oy = self._viewport.getViewOffsets() |
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self._viewport.viewMoveTo(val, oy) |
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def update(self, repaint=True, updateLayout=False, updateParent=False): |
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if self._viewport: |
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self._viewport.update(repaint, updateLayout, updateParent) |
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return super().update(repaint, updateLayout, updateParent) |
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def mousePressEvent(self, evt): |
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self._mouseDelta = (evt.x, evt.y) |
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self._draggable = False |
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w,_ = self.size() |
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x,y = evt.x, evt.y |
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# If the mouse position is inside the header box enable the dragging feature |
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if y==0 and 1<=x<w-1: |
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if x<4: |
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self.close() |
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return True |
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if x>w-4: |
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self.lowerWidget() |
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return True |
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self._draggable = True |
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return True |
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return TTkResizableFrame.mousePressEvent(self, evt) |
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def mouseDragEvent(self, evt): |
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if self._draggable: |
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x,y = self.pos() |
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dx = evt.x-self._mouseDelta[0] |
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dy = evt.y-self._mouseDelta[1] |
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self.move(x+dx, y+dy) |
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return True |
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return TTkResizableFrame.mouseDragEvent(self, evt) |
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def focusInEvent(self): |
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if self._menubarTop: |
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self._menubarTop.setBorderColor(TTkColor.fg("#ffff55")) |
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self.update() |
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def focusOutEvent(self): |
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self._draggable = False |
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if self._menubarTop: |
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self._menubarTop.setBorderColor(TTkColor.RST) |
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self.update() |
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# # Stupid hack to paint on top of the child widgets |
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# def paintChildCanvas(self): |
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# super().paintChildCanvas() |
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# style = self.currentStyle() |
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# borderColor = style['borderColor'] |
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# w,h = self.size() |
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# canvas = self.getCanvas() |
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# canvas.drawChar(pos=(w-1,h-1),char='⇱',color=borderColor) |
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def paintEvent(self, canvas=TTkCanvas): |
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style = self.currentStyle() |
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color = style['color'] |
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borderColor = style['borderColor'] |
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titleChar = style['titleChar'] |
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w,h = self.size() |
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canvas.fill(color=bgBLUE) |
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canvas.fill(char='▎',pos=(0,1), size=(1,h-2), color=color) |
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# draw the title ┃ │ |
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canvas.drawText( |
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text=f"│▣│ {self._title} {titleChar*w}", |
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# text=f"│⚀│ {self._title} {titleChar*w}", |
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color=borderColor) |
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canvas.drawText( |
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text="│◪│◩│", |
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pos=(w-5,0), |
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color=borderColor) |
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canvas.drawChar(pos=(w-1,h-1),char='⇱',color=borderColor) |