Source code for TermTk.TTkWidgets.window

# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
# 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.

__all__ = ['TTkWindow']

from TermTk.TTkCore.cfg import TTkCfg
from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.color import TTkColor
from TermTk.TTkLayouts import TTkGridLayout, TTkLayout
from TermTk.TTkWidgets.button import TTkButton
from TermTk.TTkWidgets.resizableframe import TTkResizableFrame

class _MinimizedButton(TTkButton):
    __slots__ = ('_windowWidget')
    def __init__(self, *args, **kwargs) -> None:
        super().__init__(*args, **kwargs)
        self._windowWidget = kwargs.get('windowWidget')
        def _cb():
            self._windowWidget.show()
            self.close()
        self.clicked.connect(_cb)

[docs] class TTkWindow(TTkResizableFrame): '''TTkWindow''' _windowStyleNormal = { 'default': {'borderColor': TTkColor.RST}, } _windowStyleFocussed = { 'default': {'borderColor': TTkColor.fg("#ffff55")}, } classStyle = { 'default': {'color': TTkColor.RST, 'borderColor': TTkColor.RST}, 'disabled': {'color': TTkColor.fg('#888888'), 'borderColor':TTkColor.fg('#888888')}, 'focus': {'color': TTkColor.fg("#dddd88")+TTkColor.bg("#000044")+TTkColor.BOLD, 'borderColor': TTkColor.fg("#ffff55")} } __slots__ = ( '_mouseDelta', '_draggable', '_btnClose', '_btnMax', '_btnMin', '_btnReduce', '_flags', '_winTopLayout', '_maxBk', '_redBk' ) def __init__(self, *, flags:TTkK.WindowFlag=TTkK.WindowFlag.WindowCloseButtonHint, **kwargs) -> None: self._winTopLayout = TTkGridLayout() self._flags = TTkK.NONE self._mouseDelta = (0,0) self._draggable = False super().__init__(**kwargs) # This is a little hack used in TTKWindow to define the placement of the TOP menubar inside TTKFrame self._menubarTopPosition = 2 self.setPadding(3,1,1,1) self.setFocusPolicy(TTkK.ClickFocus) # Add the top Layout to keep the windows action buttons # self._winTopLayout = TTkGridLayout() self.rootLayout().addItem(self._winTopLayout) # Close Button self._btnClose = TTkButton(border=False, text="x", size=(3,1), maxWidth=3, minWidth=3, visible=False) self._btnClose.clicked.connect(self.close) # Max Button self._maxBk = None self._btnMax = TTkButton(border=False, text="^", size=(3,1), maxWidth=3, minWidth=3, visible=False) self._btnMax.clicked.connect(self._maximize) # Min Button self._btnMin = TTkButton(border=False, text="_", size=(3,1), maxWidth=3, minWidth=3, visible=False) self._btnMin.clicked.connect(self._minimize) # Button Reduce_border self._redBk = None self._btnReduce = TTkButton(border=False, text=".", size=(3,1), maxWidth=3, minWidth=3, visible=False) self._btnReduce.clicked.connect(self._reduce) self._winTopLayout.addItem(TTkLayout(),0,0) self._winTopLayout.addWidget(self._btnClose, 0,4) self._winTopLayout.addWidget(self._btnMax, 0,3) self._winTopLayout.addWidget(self._btnMin, 0,2) self._winTopLayout.addWidget(self._btnReduce,0,1) self._winTopLayout.setGeometry(1,1,self.width()-2,1) self._winTopLayout.update() self.setWindowFlag(flags) self.focusChanged.connect(self._focusChanged) def _maximize(self): if not (pl := self.widgetItem().parent()): return if self._maxBk: self.setGeometry(*self._maxBk) self._maxBk = None else: bk = self.geometry() maxw,maxh = pl.size() self.setGeometry(0,0,maxw,maxh) self._maxBk = bk def _reduce(self): if self._redBk: self.resize(*self._redBk) self._redBk = None else: bk = self.size() self.resize(self.width(),4) self._redBk = bk def _minimize(self): if not (pl := self.widgetItem().parent()): return stack = [] for li in pl.children(): if li.layoutItemType() == TTkK.WidgetItem and issubclass(type(w:=li.widget()),_MinimizedButton): stack.append(w.y()) stack = sorted(stack) pos = 0 for v in stack: if (pos+2) < v or (v+2) < pos: break pos += 3 mb = _MinimizedButton(windowWidget=self,text=self._title,border=True,pos=(0,pos),size=(15,3)) pl.addWidget(mb) self.hide()
[docs] def windowFlag(self): '''windowFlag''' return self._flags
[docs] def setWindowFlag(self, flag): '''setWindowFlag''' if self._flags == flag: return self._flags = flag self._btnClose.setVisible( bool(flag & TTkK.WindowFlag.WindowCloseButtonHint)) self._btnMax.setVisible( bool(flag & TTkK.WindowFlag.WindowMaximizeButtonHint)) self._btnMin.setVisible( bool(flag & TTkK.WindowFlag.WindowMinimizeButtonHint)) self._btnReduce.setVisible(bool(flag & TTkK.WindowFlag.WindowReduceButtonHint)) self._winTopLayout.update()
def resizeEvent(self, w, h): self._maxBk = None self._redBk = None self._winTopLayout.setGeometry(1,1,w-2,1) super().resizeEvent(w,h) 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 x >= 1 and y>=1 and x<w-1 and y<3: 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 _focusChanged(self, focus): if focus: styleToMerge = TTkWindow._windowStyleFocussed else: styleToMerge = TTkWindow._windowStyleNormal def _applyStyle(_mb): if not _mb: return for m in _mb._menus(TTkK.LEFT_ALIGN): m.mergeStyle(styleToMerge) for m in _mb._menus(TTkK.RIGHT_ALIGN): m.mergeStyle(styleToMerge) for m in _mb._menus(TTkK.CENTER_ALIGN): m.mergeStyle(styleToMerge) _applyStyle(self.menuBar(TTkK.TOP)) _applyStyle(self.menuBar(TTkK.BOTTOM)) def focusOutEvent(self): self._draggable = False def paintEvent(self, canvas): style = self.currentStyle() color = style['color'] borderColor = style['borderColor'] canvas.drawText(pos=(2,1),text=self._title, color=color) canvas.drawGrid( color=borderColor, pos=(0,0), size=self.size(), hlines=[2], grid=2)