# MIT License # # Copyright (c) 2021 Eugenio Parodi # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. from TermTk.TTkCore.cfg import TTkCfg from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot from TermTk.TTkCore.constant import TTkK from TermTk.TTkCore.color import TTkColor from TermTk.TTkCore.canvas import TTkCanvas from TermTk.TTkLayouts import TTkGridLayout, TTkLayout from TermTk.TTkWidgets.widget import TTkWidget from TermTk.TTkWidgets.button import TTkButton from TermTk.TTkWidgets.resizableframe import TTkResizableFrame from TermTk.TTkAbstract.abstractscrollarea import TTkAbstractScrollArea from TermTk.TTkAbstract.abstractscrollview import TTkAbstractScrollView, TTkAbstractScrollViewLayout, TTkAbstractScrollViewInterface from .colors import * from .scrollbar import * __all__ = ['WBScrollWin'] class _MinimizedButton(TTkButton): __slots__ = ('_windowWidget') def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self._windowWidget = kwargs.get('windowWidget') def _cb(): self._windowWidget.show() self.close() self.clicked.connect(_cb) class WBScrollWiewport(TTkAbstractScrollView): classStyle = { 'default': {'color': fgWHITE+bgBLUE}, 'disabled': {'color': fgWHITE+bgBLUE}, 'focus': {'color': fgWHITE+bgBLUE}, } __slots__ = () def __init__(self, *args, **kwargs): TTkAbstractScrollView.__init__(self, *args, **kwargs) self.viewChanged.connect(self._viewChangedHandler) @pyTTkSlot() def _viewChangedHandler(self): x,y = self.getViewOffsets() self.layout().setOffset(-x,-y) def viewFullAreaSize(self) -> (int, int): _,_,w,h = self.layout().fullWidgetAreaGeometry() return w , h def viewDisplayedSize(self) -> (int, int): return self.size() def maximumWidth(self): return 0x10000 def maximumHeight(self): return 0x10000 def minimumWidth(self): return 0 def minimumHeight(self): return 0 def paintEvent(self, canvas: TTkCanvas): style = self.currentStyle() color = style['color'] canvas.fill(color=color) class WBScrollWin(TTkResizableFrame): '''WBScrollWin''' _styleScrollBar = { 'default': {'color': bgWHITE+fgBLUE}, 'disabled': {'color': bgWHITE+fgBLUE}, 'focus': {'color': bgWHITE+fgBLUE}, } _styleBgWhite = { 'default': {'color': fgWHITE+bgBLUE}, 'disabled': {'color': fgWHITE+bgBLUE}, 'focus': {'color': fgWHITE+bgBLUE}, } _styleBgNone = { 'default': {'color': fgWHITE}, 'disabled': {'color': fgWHITE}, 'focus': {'color': fgWHITE}, } classStyle = { 'default': {'titleChar': '⚏', 'borderColor': bgWHITE+fgBLUE}, 'disabled': {'titleChar': '⚏', 'borderColor':bgWHITE+fgBLUE}, 'focus': {'titleChar': '☰', 'borderColor': bgWHITE+fgBLUE} } __slots__ = ( # Copied from Scroll Area '_viewport', '_verticalScrollBar', '_horizontalScrollBar', # Copied from Window '_mouseDelta', '_draggable', '_btnClose', '_btnMax', '_btnMin', '_btnReduce', '_flags', '_winTopLayout', '_sbRight', '_sbBottom') def __init__(self, whiteBg=True, *args, **kwargs): self._winTopLayout = TTkGridLayout() self._viewport = WBScrollWiewport() super().__init__(*args, **kwargs|{'layout':TTkGridLayout()}) self._verticalScrollBar = WBScrollBar(orientation=TTkK.VERTICAL) self._horizontalScrollBar = WBScrollBar(orientation=TTkK.HORIZONTAL) self.rootLayout().addWidgets([self._verticalScrollBar, self._horizontalScrollBar]) if whiteBg: self.mergeStyle(self._styleBgWhite) else: self.mergeStyle(self._styleBgNone) self._flags = TTkK.NONE self.setPadding(1,1,1,1) self._mouseDelta = (0,0) self.setFocusPolicy(TTkK.ClickFocus) self._draggable = False self.setViewport(self._viewport) def setViewport(self, viewport): if not isinstance(viewport, TTkAbstractScrollViewInterface): raise TypeError("TTkAbstractScrollViewInterface is required in TTkAbstractScrollArea.setVewport(viewport)") if self._viewport: self._viewport.viewChanged.disconnect(self._viewportChanged) if isinstance(self._viewport, TTkWidget): self.layout().removeWidget(self._viewport) else: self.layout().removeItem(self._viewport) self._viewport = viewport self._viewport.viewChanged.connect(self._viewportChanged) self._verticalScrollBar.sliderMoved.connect(self._vscrollMoved) self._horizontalScrollBar.sliderMoved.connect(self._hscrollMoved) if isinstance(viewport, TTkWidget): self.layout().addWidget(viewport) else: self.layout().addItem(viewport) self._resizeEvent() def viewport(self): return self._viewport def _resizeEvent(self): w,h = self.size() self._verticalScrollBar.setGeometry( w-1, 1, 1, h-2) self._horizontalScrollBar.setGeometry( 0 , h-1, w-1, 1 ) # if self._viewport: # self._viewport.setGeometry(0,0,w-2,h-2) self._winTopLayout.setGeometry(1,1,w-2,1) def resizeEvent(self, w, h): super().resizeEvent(w,h) self._resizeEvent() @pyTTkSlot() def _viewportChanged(self): if not self.isVisible(): return w,h = self.size() fw, fh = self._viewport.viewFullAreaSize() dw, dh = self._viewport.viewDisplayedSize() ox, oy = self._viewport.getViewOffsets() if 0 in [fw,fh,dw,dh]: return hpage = dw vpage = dh hrange = fw - dw vrange = fh - dh # TTkLog.debug(f"f:{fw,fh=}, d:{dw,dh=}, o:{ox,oy=}") self._verticalScrollBar.setPageStep(vpage) self._verticalScrollBar.setRange(0, vrange) self._verticalScrollBar.setValue(oy) self._horizontalScrollBar.setPageStep(hpage) self._horizontalScrollBar.setRange(0, hrange) self._horizontalScrollBar.setValue(ox) self._resizeEvent() @pyTTkSlot(int) def _vscrollMoved(self, val): ox, _ = self._viewport.getViewOffsets() self._viewport.viewMoveTo(ox, val) @pyTTkSlot(int) def _hscrollMoved(self, val): _, oy = self._viewport.getViewOffsets() self._viewport.viewMoveTo(val, oy) def update(self, repaint=True, updateLayout=False, updateParent=False): if self._viewport: self._viewport.update(repaint, updateLayout, updateParent) return super().update(repaint, updateLayout, updateParent) def mousePressEvent(self, evt): self._mouseDelta = (evt.x, evt.y) self._draggable = False w,_ = self.size() x,y = evt.x, evt.y # If the mouse position is inside the header box enable the dragging feature if y==0 and 1<=xw-4: self.lowerWidget() return True self._draggable = True return True return TTkResizableFrame.mousePressEvent(self, evt) def mouseDragEvent(self, evt): if self._draggable: x,y = self.pos() dx = evt.x-self._mouseDelta[0] dy = evt.y-self._mouseDelta[1] self.move(x+dx, y+dy) return True return TTkResizableFrame.mouseDragEvent(self, evt) def focusInEvent(self): if self._menubarTop: self._menubarTop.setBorderColor(TTkColor.fg("#ffff55")) self.update() def focusOutEvent(self): self._draggable = False if self._menubarTop: self._menubarTop.setBorderColor(TTkColor.RST) self.update() # # Stupid hack to paint on top of the child widgets # def paintChildCanvas(self): # super().paintChildCanvas() # style = self.currentStyle() # borderColor = style['borderColor'] # w,h = self.size() # canvas = self.getCanvas() # canvas.drawChar(pos=(w-1,h-1),char='⇱',color=borderColor) def paintEvent(self, canvas=TTkCanvas): style = self.currentStyle() color = style['color'] borderColor = style['borderColor'] titleChar = style['titleChar'] w,h = self.size() canvas.fill(color=bgBLUE) canvas.fill(char='▎',pos=(0,1), size=(1,h-2), color=color) # draw the title ┃ │ canvas.drawText( text=f"│▣│ {self._title} {titleChar*w}", # text=f"│⚀│ {self._title} {titleChar*w}", color=borderColor) canvas.drawText( text="│◪│◩│", pos=(w-5,0), color=borderColor) canvas.drawChar(pos=(w-1,h-1),char='⇱',color=borderColor)