# MIT License
#
# Copyright (c) 2023 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__ = ['TTkKodeTab']
from typing import Callable, Iterator, Tuple, List
from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.helper import TTkHelper
from TermTk.TTkCore.log import TTkLog
from TermTk.TTkCore.string import TTkString
from TermTk.TTkCore.color import TTkColor, TTkColorGradient
from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
from TermTk.TTkWidgets.widget import TTkWidget
from TermTk.TTkWidgets.tabwidget import TTkTabWidget, TTkBarType, _TTkNewTabWidgetDragData, _TTkTabWidgetDragData
from TermTk.TTkWidgets.splitter import TTkSplitter
from TermTk.TTkWidgets.frame import TTkFrame
from TermTk.TTkLayouts.gridlayout import TTkGridLayout
from TermTk.TTkGui.drag import TTkDnDEvent
_splitter_NERD_1_style = {
'default':{
'glyphs' : {
TTkK.VERTICAL : ('▃','▃','▃'),
TTkK.HORIZONTAL : ('┇','║','┇') },
'color': TTkColor.fgbg("#dddddd","#222222"),
'borderColor': TTkColor.fg("#8888aa") },
'focus':{
'color': TTkColor.fgbg("#ffddff","#222222"),
'borderColor': TTkColor.fg("#8888aa")},
'hover':{
'borderColor': TTkColor.fg("#aaaa88")}
}
class _TTkKodeTab(TTkTabWidget):
__slots__ = (
'_frameOverlay','_baseWidget',
#Signals
'kodeTabCloseRequested')
def __init__(self, *,
baseWidget=None,
**kwargs) -> None:
self.kodeTabCloseRequested = pyTTkSignal(_TTkKodeTab,int)
self._baseWidget:TTkKodeTab = baseWidget
self._frameOverlay = None
super().__init__(**kwargs)
self.tabBarClicked.connect( lambda i:self._baseWidget.tabBarClicked.emit( self, i, self.widget(i), self.tabData(i)))
self.currentChanged.connect( lambda i:self._baseWidget.currentChanged.emit( self, i, self.widget(i), self.tabData(i)))
self.tabCloseRequested.connect(self._handleTabCloseRequested)
def _handleTabCloseRequested(self, index):
self.kodeTabCloseRequested.emit(self,index)
def _hasMenu(self):
return True if (self._topLeftLayout or self._topRightLayout) else False
def _importMenu(self, kt):
kt._tabBarTopLayout.removeItem(ll := kt._topLeftLayout)
kt._tabBarTopLayout.removeItem(rl := kt._topRightLayout)
kt._topLeftLayout = None
kt._topRightLayout = None
self._topLeftLayout = ll
self._topRightLayout = rl
if ll:
self._tabBarTopLayout.addItem(ll, 1 if self.border() else 0,0)
if rl:
self._tabBarTopLayout.addItem(rl,1 if self.border() else 0,2)
self._tabBarTopLayout.update()
kt._tabBarTopLayout.update()
def iterItems(self):
for i in range(self.count()):
yield self, i
def dragEnterEvent(self, evt:TTkDnDEvent) -> bool:
TTkLog.debug(f"Drag Enter")
return True
def dragLeaveEvent(self, evt:TTkDnDEvent) -> bool:
TTkLog.debug(f"Drag Leave")
self._frameOverlay = None
self.update()
return True
def dragMoveEvent(self, evt:TTkDnDEvent) -> bool:
x,y = evt.x, evt.y
w,h = self.size()
k,_,_,_ = self.getPadding()
if y<k:
return super().dragMoveEvent(evt)
h-=k
y-=k
if x<w//4:
self._frameOverlay = (0,k,w//4,h)
elif x>w*3//4:
self._frameOverlay = (w-w//4,k,w//4,h)
elif y<h//4:
self._frameOverlay = (0,k,w,h//4)
elif y>h*3//4:
self._frameOverlay = (0,k+h-h//4,w,h//4)
else:
self._frameOverlay = (0,k,w,h)
self.update()
return True
def _dropNewKodeTab(self, y:int, data:_TTkNewTabWidgetDragData) -> bool:
pass
def dropEvent(self, evt:TTkDnDEvent) -> bool:
self._frameOverlay = None
x,y = evt.x, evt.y
data = evt.data()
if isinstance(data, _TTkTabWidgetDragData):
tw = data.tabWidget()
elif isinstance(data, _TTkNewTabWidgetDragData):
tw = None
data = [data]
elif isinstance(data,list) and all(isinstance(_d,_TTkNewTabWidgetDragData) for _d in data):
tw = None
else:
return False
def _processDrop(data:List[Tuple[TTkWidget,TTkString]], orientation, offset):
fwold = self._baseWidget._getFirstWidget()
splitter = self.parentWidget()
index = splitter.indexOf(self)
if splitter.orientation() != orientation:
splitter.replaceWidget(index, splitter := TTkSplitter(orientation=orientation, style=self.parentWidget().classStyle))
splitter.setStyle(_splitter_NERD_1_style)
splitter.addWidget(self)
index=offset
splitter.insertWidget(index+offset, kt:=_TTkKodeTab(baseWidget=self._baseWidget, border=self.border(), barType=self._barType, closable=self.tabsClosable()))
kt._dropEventProxy = self._dropEventProxy
kt.kodeTabCloseRequested.connect(self._baseWidget._handleKodeTabCloseRequested)
for (_w,_l) in data:
_ret = kt.addTab(_w,_l)
self._baseWidget.tabAdded.emit(kt, _ret)
if fwold!=(fwnew := self._baseWidget._getFirstWidget()) and fwold._hasMenu():
fwnew._importMenu(fwold)
ret = True
if y<3:
ret = super().dropEvent(evt)
elif isinstance(data,list) and all(isinstance(_d,_TTkNewTabWidgetDragData) for _d in data):
w,h = self.size()
h-=3
y-=3
dropData = [(_d.widget(),_d.label()) for _d in data]
if x<w//4:
_processDrop(dropData, TTkK.HORIZONTAL, 0)
elif x>w*3//4:
_processDrop(dropData, TTkK.HORIZONTAL, 1)
elif y<h//4:
_processDrop(dropData, TTkK.VERTICAL, 0)
elif y>h*3//4:
_processDrop(dropData, TTkK.VERTICAL, 1)
else:
ret = super().dropEvent(evt)
elif isinstance(data,_TTkTabWidgetDragData):
tb = data.tabButton()
tw = data.tabWidget()
w,h = self.size()
h-=3
y-=3
index = tw._tabBar._tabButtons.index(tb)
widget = tw._tabWidgets[index]
label = tb.text()
dropData = [(widget,label)]
if x<w//4:
tw.removeTab(index)
_processDrop(dropData, TTkK.HORIZONTAL, 0)
elif x>w*3//4:
tw.removeTab(index)
_processDrop(dropData, TTkK.HORIZONTAL, 1)
elif y<h//4:
tw.removeTab(index)
_processDrop(dropData, TTkK.VERTICAL, 0)
elif y>h*3//4:
tw.removeTab(index)
_processDrop(dropData, TTkK.VERTICAL, 1)
else:
ret = super().dropEvent(evt)
# Remove the widget and/or all the cascade empty splitters
if tw:
self._kodeTabClosed(tw)
self.update()
return ret
@pyTTkSlot()
def _kodeTabClosed(self, widget=None):
# Remove the widget and/or all the cascade empty splitters
fwold = self._baseWidget._getFirstWidget()
widget = widget if issubclass(type(widget), _TTkKodeTab) else self
if not widget._tabWidgets:
if splitter := widget.parentWidget():
while splitter.count() == 1 and splitter != self._baseWidget:
widget = splitter
splitter = widget.parentWidget()
splitter.removeWidget(widget)
widget.kodeTabCloseRequested.clear()
if splitter == self._baseWidget and splitter.count() == 0:
splitter.addWidget(self)
if fwold!=(fwnew := self._baseWidget._getFirstWidget()) and fwold._hasMenu():
fwnew._importMenu(fwold)
# Stupid hack to paint on top of the child widgets
def paintChildCanvas(self):
super().paintChildCanvas()
if self._frameOverlay:
x,y,w,h = self._frameOverlay
canvas = self.getCanvas()
canvas.drawBox(pos=(x,y), size=(w,h), color=TTkColor.fg("#FFFF00", modifier=TTkColorGradient(increment=-3))+TTkColor.bg("#0000FF"))
[docs]
class TTkKodeTab(TTkSplitter):
__slots__ = (
'_lastKodeTabWidget', '_barType',
# Signals
'currentChanged','tabBarClicked','kodeTabCloseRequested', 'tabAdded' )
def __init__(self,
barType:TTkBarType=TTkBarType.NONE,
**kwargs) -> None:
self.currentChanged = pyTTkSignal(TTkTabWidget,int,TTkWidget,object)
self.tabBarClicked = pyTTkSignal(TTkTabWidget,int,TTkWidget,object)
self.kodeTabCloseRequested = pyTTkSignal(TTkTabWidget,int)
self.tabAdded = pyTTkSignal(TTkTabWidget, int)
self._barType = barType
super().__init__(**kwargs|{'layout':TTkGridLayout()})
self.setStyle(_splitter_NERD_1_style)
kwargs.pop('parent',None)
kwargs.pop('visible',None)
# self.layout().addWidget(splitter := TTkSplitter())
self._lastKodeTabWidget = kt = _TTkKodeTab(baseWidget=self, barType=self._barType, **kwargs)
self._lastKodeTabWidget._dropEventProxy = self._dropEventProxy
self.addWidget(self._lastKodeTabWidget)
kt.kodeTabCloseRequested.connect(self._handleKodeTabCloseRequested)
@pyTTkSlot(_TTkKodeTab,int)
def _handleKodeTabCloseRequested(self, kt:_TTkKodeTab, index:int) -> None:
TTkLog.debug(f"{kt} -> {index}")
self.kodeTabCloseRequested.emit(kt, index)
# kt.removeTab(index)
def _getFirstWidget(self):
kt = self
item = None
while type(item:=kt.widget(0)) != _TTkKodeTab: kt = item
return item if type(item)==_TTkKodeTab else None
[docs]
def iterItems(self) -> Iterator[Tuple[_TTkKodeTab, int]]:
def _iterSplitter(split:TTkSplitter):
for i in range(split.count()):
_wid = split.widget(i)
if issubclass(type(_wid), TTkSplitter):
yield from _iterSplitter(_wid)
elif issubclass(type(_wid), _TTkKodeTab):
yield from _wid.iterItems()
yield from _iterSplitter(self)
def setDropEventProxy(self, proxy:Callable) -> None:
for widget in self.layout().iterWidgets(onlyVisible=False):
if issubclass(type(widget),_TTkKodeTab):
widget.setDropEventProxy(proxy)
return super().setDropEventProxy(proxy)
[docs]
def addTab(self, *args, **kwargs) -> int:
if not TTkHelper.isParent(self._lastKodeTabWidget, self):
for w in self.layout().iterWidgets():
if isinstance(w,_TTkKodeTab):
self._lastKodeTabWidget = w
ret = self._lastKodeTabWidget.addTab(*args, **kwargs)
self.tabAdded.emit(self._lastKodeTabWidget, ret)
return ret
raise Exception("No TTkKodeTab found to be used")
ret = self._lastKodeTabWidget.addTab(*args, **kwargs)
self.tabAdded.emit(self._lastKodeTabWidget, ret)
return ret
# def addMenu(self, text, position=TTkK.LEFT, data=None):