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#!/usr/bin/env python3
# MIT License
#
# Copyright (c) 2025 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.
import json
import random
# Those 2 lines are required to use the TermTk library in the main folder
import sys, os
sys.path.append(os.path.join(sys.path[0],'../../..'))
import TermTk as ttk
# This example is another showcase of the Drag Pixmap;
# It is basically a lazy collection of the previous examples
# No drop routine is implemented in this example.
imagesFile = os.path.join(os.path.dirname(os.path.abspath(__file__)),'../ansi.images.json')
with open(imagesFile) as f:
d = json.load(f)
# Image exported by the Dumb Paint Tool - Removing the extra '\n' at the end
diamond = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['diamond' ])[0:-1])
fire = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['fire' ])[0:-1])
key = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['key' ])[0:-1])
peach = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['peach' ])[0:-1])
pepper = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['pepper' ])[0:-1])
python = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['python' ])[0:-1])
ring = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['ring' ])[0:-1])
sword = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['sword' ])[0:-1])
whip = ttk.TTkString(ttk.TTkUtil.base64_deflate_2_obj(d['compressed']['whip' ])[0:-1])
def imageSize(img:ttk.TTkString) -> int:
lines = img.split('\n')
return (
max(line.termWidth() for line in lines),
len(lines))
class DragDropBase(ttk.TTkFrame):
def mouseDragEvent(self, evt:ttk. TTkMouseEvent) -> bool:
drag = ttk.TTkDrag()
drag.exec()
return True
class DragDropWidget(ttk.TTkFrame):
def mouseDragEvent(self, evt:ttk. TTkMouseEvent) -> bool:
button = ttk.TTkButton(text=f"DnD: ({self.title()})", border=True, size=(25,5))
drag = ttk.TTkDrag()
drag.setPixmap(button)
drag.exec()
return True
class DragDropTxt(ttk.TTkFrame):
def mouseDragEvent(self, evt:ttk. TTkMouseEvent) -> bool:
pixmap = ttk.TTkCanvas(width=17,height=5)
pixmap.drawText(pos=(0,0),text="╭╼ TXT ╾────────╮")
pixmap.drawText(pos=(0,1),text="│Lorem ipsum dol│")
pixmap.drawText(pos=(0,2),text="│consectetur adi│")
pixmap.drawText(pos=(0,3),text="│sed do eiusmod │")
# The next condition is meant to show that you can
# handle also the Drag and Drop with the Right or Middle mouse buttons.
if evt.key == ttk. TTkMouseEvent.LeftButton:
pixmap.drawText(pos=(0,4),text="╰───────╼ Left ╾╯")
elif evt.key == ttk. TTkMouseEvent.RightButton:
pixmap.drawText(pos=(0,4),text="╰──────╼ Right ╾╯")
elif evt.key == ttk. TTkMouseEvent.MidButton:
pixmap.drawText(pos=(0,4),text="╰────╼ Eugenio ╾╯")
drag = ttk.TTkDrag()
drag.setPixmap(pixmap)
drag.exec()
return True
class DragDropImg(ttk.TTkFrame):
def mouseDragEvent(self, evt:ttk. TTkMouseEvent) -> bool:
if evt.key == ttk. TTkMouseEvent.LeftButton:
imageString = random.choice([diamond,fire,key,peach,ring,sword,whip,pepper,python])
# A canvas is created and the ANSI String is drawn on it line by line
w,h = imageSize(imageString)
pixmap = ttk.TTkCanvas(width=w, height=h+1)
pixmap.setTransparent(True)
pixmap.drawText(pos=(0,0), text=self.title())
for y,line in enumerate(imageString.split('\n')):
pixmap.drawTTkString(pos=(0,y+1), text=line)
drag = ttk.TTkDrag()
drag.setPixmap(pixmap)
drag.exec()
return True
root = ttk.TTk()
root.layout().addWidget(DragDropBase( pos=( 0, 0), size=(25,10), title="Pixmap: Default"))
root.layout().addWidget(DragDropWidget(pos=( 0, 10), size=(25,10), title="Pixmap: Widget"))
root.layout().addWidget(DragDropTxt( pos=(50, 0), size=(25,10), title="Pixmap: Txt"))
root.layout().addWidget(DragDropImg( pos=(50, 10), size=(25,10), title="Pixmap: Img"))
root.mainloop()