# 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__ = ['TTkColorButtonPicker', 'TTkColorDialogPicker']
import re
from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.log import TTkLog
from TermTk.TTkCore.cfg import TTkCfg
from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
from TermTk.TTkCore.color import TTkColor
from TermTk.TTkCore.string import TTkString
from TermTk.TTkCore.helper import TTkHelper
from TermTk.TTkWidgets.widget import TTkWidget
from TermTk.TTkWidgets.window import TTkWindow
from TermTk.TTkWidgets.button import TTkButton
from TermTk.TTkWidgets.label import TTkLabel
from TermTk.TTkWidgets.lineedit import TTkLineEdit
from TermTk.TTkWidgets.spinbox import TTkSpinBox
from TermTk.TTkLayouts.layout import TTkLayout
from TermTk.TTkLayouts.gridlayout import TTkGridLayout
class _TTkHueCanvas(TTkWidget):
__slots__ = ('_hueList', '_selected', 'colorPicked')
def __init__(self, *args, **kwargs):
# signals
self.colorPicked=pyTTkSignal(int)
TTkWidget.__init__(self, *args, **kwargs)
self.setMaximumHeight(1)
self.setMinimumSize(6,1)
self._hueList = []
self._selected = -1
self.setFocusPolicy(TTkK.ClickFocus)
def resizeEvent(self, w, h):
self._selected = -1
def mousePressEvent(self, evt):
self._selected = evt.x
if evt.x < len(self._hueList):
self.colorPicked.emit(self._hueList[evt.x])
self.update()
return True
def mouseDragEvent(self, evt):
return self.mousePressEvent(evt)
def paintEvent(self, canvas):
w,_ = self.size()
self._hueList = [0x00]*(w+1)
def _linInt(a,b,x):
return int(a*(1-x)+b*x)
def _printSlice(num, a, b, inc):
for x in range(0,w//6+1):
if inc:
rgb =a|(b&_linInt(0,b,6*x/w))
else:
rgb =a|(b&_linInt(b,0,6*x/w))
color = TTkColor.bg( f"#{rgb:06x}" )
if (num*w//6)+x == self._selected:
canvas.drawChar(pos=((num*w//6)+x,0), char="◼", color=color+TTkColor.fg("#000000"))
else:
canvas.drawChar(pos=((num*w//6)+x,0), char=" ", color=color)
self._hueList[(num*w//6)+x]=rgb
_printSlice(0, 0xff0000, 0x00ff00, True)
_printSlice(1, 0x00ff00, 0xff0000, False)
_printSlice(2, 0x00ff00, 0x0000ff, True)
_printSlice(3, 0x0000ff, 0x00ff00, False)
_printSlice(4, 0x0000ff, 0xff0000, True)
_printSlice(5, 0xff0000, 0x0000ff, False)
class _TTkColorCanvas(TTkWidget):
__slots__ = ('_hue', 'colorPicked', '_selected')
def __init__(self, *args, **kwargs):
# signals
self.colorPicked=pyTTkSignal(int)
self._selected=(-1,-1)
TTkWidget.__init__(self, *args, **kwargs)
self._hue = 0xff0000
self.setFocusPolicy(TTkK.ClickFocus)
@pyTTkSlot(int)
def setHue(self, hue):
self._hue = hue
self.update()
def mousePressEvent(self, evt):
w,h = self.size()
x,y = evt.x, evt.y
self._selected = (x,y)
self.colorPicked.emit(self._colorAt(x,y,w,h))
self.update()
return True
def mouseDragEvent(self, evt):
return self.mousePressEvent(evt)
def _colorAt(self,x,y,w,h):
w-=1
h-=1
def _linInt(a,b,x):
return int(a*(1-x)+b*x)
r = self._hue&0xff0000
g = self._hue&0x00ff00
b = self._hue&0x0000ff
r = _linInt(0xff0000,r,x/w)&0xff0000
g = _linInt(0x00ff00,g,x/w)&0x00ff00
b = _linInt(0x0000ff,b,x/w)&0x0000ff
r = _linInt(r,0,y/h)&0xff0000
g = _linInt(g,0,y/h)&0x00ff00
b = _linInt(b,0,y/h)&0x0000ff
return r|g|b
def paintEvent(self, canvas):
w,h = self.size()
for x in range(w):
for y in range(h):
color = TTkColor.bg( f"#{self._colorAt(x,y,w,h):06x}" )
if (x,y)==self._selected:
canvas.drawText(pos=(x,y), text="◼", color=color+TTkColor.fg("#000000"))
else:
canvas.drawText(pos=(x,y), text=" ", color=color)
class _TTkShowColor(TTkWidget):
__slots__ = ('_color')
def __init__(self, *args, **kwargs):
TTkWidget.__init__(self, *args, **kwargs)
self._color = kwargs.get('color', TTkColor.RST )
def color(self):
return self._color
@pyTTkSlot(TTkColor)
def setColor(self, color):
if self._color != color:
self._color = color
self.update()
@pyTTkSlot(int)
def setRGBColor(self, color):
self.setColor(TTkColor.bg( f"#{color:06x}" ))
self.update()
def paintEvent(self, canvas):
w,h = self.size()
for y in range(h):
canvas.drawText(pos=(0,y),text=" "*w, color=self._color)
class _TTkColorButton(TTkButton):
lastClicked = None
__slots__ = ('colorClicked','_custom','_color')
def __init__(self, *args, **kwargs):
self.colorClicked = pyTTkSignal(TTkColor)
TTkButton.__init__(self, *args, **kwargs)
self._color = kwargs.get('color', TTkColor.RST )
self._custom = kwargs.get('custom', False)
self.clicked.connect(self._clicked)
self.setColor(self._color)
@pyTTkSlot(TTkColor)
def setColor(self, color):
style = self.style()
self._color = color
for t in style:
if 'color' in style[t]:
style[t]['color'] = color
self.setStyle(style)
def color(self):
return self._color
def isCustom(self):
return self._custom
@pyTTkSlot()
def _clicked(self):
if self._custom:
_TTkColorButton.lastClicked = self
self.colorClicked.emit(self._color)
[docs]class TTkColorDialogPicker(TTkWindow):
''' Color Picker Layout sizes:
::
Terminal window (More or less, It is too annoying to redraw this)
┌────────────────────────────────────────────────┐
│┌──────[Palette]───────┐┌────[Color]───────────┐│
││┌──────┐┌─────┐┌─────┐││┌────────────────────┐││
│││RED ││Green││Blue ││││ │││
││└──────┘└─────┘└─────┘│││ │││
││┌──────┐┌─────┐┌─────┐│││ │││
│││Purple││White││Black││││ │││
││└──────┘└─────┘└─────┘│││ Color Canvas │││
││┌──────┐┌─────┐┌─────┐│││ │││
│││... ││ ││ ││││ │││
││└──────┘└─────┘└─────┘││└────────────────────┘││
││┌──────┐┌─────┐┌─────┐││┌────────────────────┐││
│││ ││ ││ ││││ HUE Canvas │││
││└──────┘└─────┘└─────┘││└────────────────────┘││
│└──────────────────────┘└──────────────────────┘│
│┌───────[Custom]───────┐┌───────[Control]──────┐│
││┌──────┐┌─────┐┌─────┐││┌────┐ ┌──────┐││
│││ ││ ││ ││││ │ Red: └──────┘││
││└──────┘└─────┘└─────┘│││ │ ┌──────┐││
││┌──────┐┌─────┐┌─────┐│││ │ Green:└──────┘││
│││ ││ ││ ││││ │ ┌──────┐││
││└──────┘└─────┘└─────┘││└────┘ Blue: └──────┘││
││ <Custom Color> ││ ┌──────────────┐││
││ <OK> <CANCEL> ││HTML: └──────────────┘││
│└──────────────────────┘└──────────────────────┘│
└────────────────────────────────────────────────┘
'''
classStyle = {
'default': {'color': TTkColor.RST,
'borderColor': TTkColor.RST,
'titleColor': TTkColor.fg("#dddddd")+TTkColor.bg("#222222")},
'disabled': {'color': TTkColor.fg('#888888'),
'borderColor':TTkColor.fg('#888888'),
'titleColor': TTkColor.fg('#888888')},
'focus': {'color': TTkColor.fg("#dddd88")+TTkColor.bg("#000044")+TTkColor.BOLD,
'borderColor': TTkColor.fg("#ffff55"),
'titleColor': TTkColor.fg("#ffffdd")+TTkColor.bg("#222222")},
}
customButtons = None
__slots__ = (
'_color',
'_colorCanvas', '_hueCanvas',
# '_redLE', '_greenLE', '_blueRE', '_htmlLE',
# Signals
'colorSelected'
)
def __init__(self, *args, **kwargs):
# Signals
self.colorSelected = pyTTkSignal(TTkColor)
super().__init__(*args, **kwargs)
self._color = kwargs.get('color', TTkColor.RST )
self.setWindowFlag(TTkK.WindowFlag.WindowMaximizeButtonHint | TTkK.WindowFlag.WindowCloseButtonHint)
self.setLayout(TTkGridLayout())
colorLayout = TTkGridLayout() # Right
leftLayout = TTkLayout(minSize=(25,20), maxWidth=25) # Left
paletteLayout = TTkGridLayout(pos=(0,0), size=(24,9))
customLayout = TTkGridLayout(pos=(0,10), size=(24,4))
controlLayout = TTkLayout( pos=(0,15), size=(24,30))
# Color Layout Widgets
self._colorCanvas = _TTkColorCanvas()
self._hueCanvas = _TTkHueCanvas()
colorLayout.addWidget(self._colorCanvas,0,0)
colorLayout.addWidget(self._hueCanvas,1,0)
self._hueCanvas.colorPicked.connect(self._colorCanvas.setHue)
# Control
controlLayout.addWidget( sc := _TTkShowColor(pos=(1,1), size=(4,4), color=TTkColor.bg('#ffffff')) )
controlLayout.addWidget( TTkLabel(pos=(1,0), text="rgb:") )
controlLayout.addWidget( TTkLabel(pos=(6,1), text="HTML:") )
controlLayout.addWidget( leR := TTkSpinBox(pos=(7,0), size=(5,1), value=255, minimum=0, maximum=255) )
controlLayout.addWidget( leG := TTkSpinBox(pos=(12,0), size=(5,1), value=255, minimum=0, maximum=255) )
controlLayout.addWidget( leB := TTkSpinBox(pos=(18,0), size=(5,1), value=255, minimum=0, maximum=255) )
controlLayout.addWidget( leHTML := TTkLineEdit(pos=(12,1), size=(8,1), text="#FFFFFF") )
controlLayout.addWidget( okButton := TTkButton(pos=(6,2), size=(6,3), text="OK", border=True) )
controlLayout.addWidget( cancelButton := TTkButton(pos=(13,2), size=(10,3), text="CANCEL", border=True) )
controlLayout.addWidget( TTkLabel(pos=(3,20), text="Seriously?") )
@pyTTkSlot()
def _okPressed():
self.setColor(sc.color())
self.colorSelected.emit(self._color)
self.close()
okButton.clicked.connect(_okPressed)
@pyTTkSlot()
def _cancelPressed():
self.colorSelected.emit(self._color)
self.close()
cancelButton.clicked.connect(_cancelPressed)
@pyTTkSlot(int)
def _controlSetRGBColor(color):
sc.setRGBColor(color)
leR.setValue((color&0xff0000)>>16)
leG.setValue((color&0x00ff00)>> 8)
leB.setValue((color&0x0000ff)>> 0)
leHTML.setText(f"#{color:06X}")
@pyTTkSlot(TTkColor)
def _controlSetColor(color):
r,g,b = color.bgToRGB()
numColor = r<<16|g<<8|b
_controlSetRGBColor(numColor)
@pyTTkSlot()
def _leHTMLChanged():
text = leHTML.text()
if re.match('#[a-f0-9]{6}', str(text).lower()):
_controlSetRGBColor(int(str(text)[1:], 16))
leHTML.returnPressed.connect(_leHTMLChanged)
@pyTTkSlot(int)
def _leRGBChanged(value):
r = leR.value()
g = leG.value()
b = leB.value()
if r&(~0xff) or r&(~0xff) or r&(~0xff): return
_controlSetRGBColor(r<<16|g<<8|b)
leR.valueChanged.connect(_leRGBChanged)
leG.valueChanged.connect(_leRGBChanged)
leB.valueChanged.connect(_leRGBChanged)
_controlSetColor(self._color)
# Palette Layout Widgets
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#ff0000'), border=True, maxSize=(8,3)),0,0,1,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#ffff00'), border=True, maxSize=(8,3)),0,2,1,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#00ff00'), border=True, maxSize=(8,3)),0,4,1,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#00ffff'), border=True, maxSize=(8,3)),1,0,1,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#0000ff'), border=True, maxSize=(8,3)),1,2,1,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#ff00ff'), border=True, maxSize=(8,3)),1,4,1,2)
b.colorClicked.connect(_controlSetColor)
# Shades of Grey
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#ffffff'), border=True, maxSize=(4,3)),2,0)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#dddddd'), border=True, maxSize=(4,3)),2,1)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#aaaaaa'), border=True, maxSize=(4,3)),2,2)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#666666'), border=True, maxSize=(4,3)),2,3)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#333333'), border=True, maxSize=(4,3)),2,4)
b.colorClicked.connect(_controlSetColor)
paletteLayout.addWidget(b:=_TTkColorButton(color=TTkColor.bg('#000000'), border=True, maxSize=(4,3)),2,5)
b.colorClicked.connect(_controlSetColor)
# Custom frame
if TTkColorDialogPicker.customButtons is None:
TTkColorDialogPicker.customButtons = (
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) ,
_TTkColorButton(color=TTkColor.bg('#ffffff'), custom=True, border=True, maxSize=(3,3)) )
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[0],0,0)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[1],0,1)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[2],0,2)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[3],0,3)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[4],0,4)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[5],0,5)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[6],0,6)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkColorDialogPicker.customButtons[7],0,7)
b.colorClicked.connect(_controlSetColor)
customLayout.addWidget(b:=TTkButton(border=False, text='Add to Custom Colors'),1,0,1,8)
customLayout.update()
@pyTTkSlot()
def _addCustomPressed():
btn = _TTkColorButton.lastClicked
TTkLog.debug(f"{btn}")
if btn is not None and \
btn.isCustom():
TTkLog.debug(f"2 {btn}")
btn.setColor(sc.color())
b.clicked.connect(_addCustomPressed)
# Events
self._colorCanvas.colorPicked.connect(_controlSetRGBColor)
self.layout().addItem(leftLayout ,0,0)
self.layout().addItem(colorLayout ,0,1)
leftLayout.addItem(paletteLayout)
leftLayout.addItem(customLayout)
leftLayout.addItem(controlLayout)
def color(self):
return self._color
def setColor(self, color):
if self._color != color:
self._color = color
self.update()
[docs] def paintEvent(self, canvas):
TTkWindow.paintEvent(self, canvas)
style = self.currentStyle()
color = style['borderColor']
titleColor = style['titleColor']
canvas.drawGrid(
pos=(0,2),size=(26,self._height-2),
hlines=(10,15), vlines=(),
color=color, grid=6)
gg = TTkCfg.theme.grid[6]
canvas.drawChar(pos=(0,2), char=gg[0x08], color=color)
canvas.drawChar(pos=(25,2), char=gg[0x02], color=color)
canvas.drawChar(pos=(25,self._height-1), char=gg[0x0E], color=color)
canvas.drawBoxTitle(pos=(0,2) , size=(26,0), text=TTkString(" Basic colors "), align=TTkK.CENTER_ALIGN, color=color, colorText=titleColor)
canvas.drawBoxTitle(pos=(0,12), size=(26,0), text=TTkString(" Custom colors "), align=TTkK.CENTER_ALIGN, color=color, colorText=titleColor)
canvas.drawBoxTitle(pos=(0,17), size=(26,0), text=TTkString(" Conrols "), align=TTkK.CENTER_ALIGN, color=color, colorText=titleColor)