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101 lines
4.3 KiB
101 lines
4.3 KiB
#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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import os |
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import sys |
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import random |
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import argparse |
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sys.path.append(os.path.join(sys.path[0],'../../libs/pyTermTk')) |
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import TermTk as ttk |
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class DragThing(ttk.TTkFrame): |
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def __init__(self, **kwargs): |
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ttk.TTkFrame.__init__(self, **kwargs) |
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# Define and place 4 images with different Hue Color rotation |
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ttk.TTkImage(parent=self, pos=( 0, 0), data=ttk.TTkAbout.peppered, rasteriser=ttk.TTkImage.QUADBLOCK) |
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ttk.TTkImage(parent=self, pos=( 0,10), data=ttk.TTkAbout.peppered, rasteriser=ttk.TTkImage.QUADBLOCK).rotHue(60) |
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ttk.TTkImage(parent=self, pos=(15, 0), data=ttk.TTkAbout.peppered, rasteriser=ttk.TTkImage.QUADBLOCK).rotHue(90) |
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ttk.TTkImage(parent=self, pos=(15,10), data=ttk.TTkAbout.peppered, rasteriser=ttk.TTkImage.QUADBLOCK).rotHue(200) |
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self.setMaximumWidth(30) |
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self.setMinimumWidth(30) |
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def mouseDragEvent(self, evt:ttk.TTkMouseEvent) -> bool: |
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if evt.key == ttk. TTkMouseEvent.LeftButton: |
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ttk.TTkLog.debug("Start DnD") |
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drag = ttk.TTkDrag() |
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data = ttk.TTkImage(data=ttk.TTkAbout.peppered, rasteriser=ttk.TTkImage.QUADBLOCK) |
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# Change color if the drag start over the side images, |
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# based on the same Hue rotation defined in the init |
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if evt.x <= 15 and evt.y > 10: data.rotHue(60) |
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elif evt.x > 15 and evt.y <= 10: data.rotHue(90) |
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elif evt.x > 15 and evt.y > 10: data.rotHue(200) |
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drag.setPixmap(data) |
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drag.setData(data) |
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drag.exec() |
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return True |
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class DropThings(ttk.TTkFrame): |
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def dropEvent(self, evt:ttk.TTkDnDEvent) -> bool: |
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ttk.TTkLog.debug(f"Drop ({self.title()}) -> pos={evt.pos()}") |
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data = evt.data() |
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if issubclass(type(data),ttk.TTkWidget): |
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self.layout().addWidget(data) |
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# Since the frame by default has a padding of 1 |
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# I align the button to the mouse coordinates by subtracting the Top/Left padding size |
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t,b,l,r = self.getPadding() |
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data.move(evt.x-l, evt.y-t) |
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self.update() |
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return True |
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return False |
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def demoDnD(root=None): |
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dndlayout = ttk.TTkGridLayout() |
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frame = ttk.TTkFrame(parent=root, layout=dndlayout, border=0) |
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dndlayout.addWidget(DragThing( title="Drag") ,0,0,2,1) |
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dndlayout.addWidget(DropThings(title="Drop 1"),0,1,1,2) |
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dndlayout.addWidget(DropThings(title="Drop 2"),0,3,1,1) |
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dndlayout.addWidget(DropThings(title="Drop 3"),1,1,1,1) |
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dndlayout.addWidget(DropThings(title="Drop 4"),1,2,1,2) |
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# Add a debug window at the bottom to display the messages |
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dndlayout.addWidget(ttk.TTkLogViewer(follow=True),2,0,1,4) |
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return frame |
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def main(): |
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parser = argparse.ArgumentParser() |
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parser.add_argument('-f', help='Full Screen', action='store_true') |
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args = parser.parse_args() |
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root = ttk.TTk() |
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if args.f: |
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rootTree = root |
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root.setLayout(ttk.TTkGridLayout()) |
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else: |
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rootTree = ttk.TTkWindow(parent=root,pos = (0,0), size=(80,40), title="Test Drag'n Drop", layout=ttk.TTkGridLayout(), border=True) |
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demoDnD(rootTree) |
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root.mainloop() |
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if __name__ == "__main__": |
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main() |