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Added a right click menu that has an "Erase" item. When selected will erase all figures under mouse

This commit is contained in:
PySimpleGUI 2021-02-04 13:33:13 -05:00
parent e8d43a89a4
commit a9d6d5913a
1 changed files with 12 additions and 3 deletions
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15
DemoPrograms/Demo_Graph_Drawing_And_Dragging_Figures.py
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@ -48,7 +48,9 @@ def main():
key="-GRAPH-",
enable_events=True,
background_color='lightblue',
drag_submits=True), sg.Col(col, key='-COL-') ],
drag_submits=True,
right_click_menu=[[],['Erase item',]]
), sg.Col(col, key='-COL-') ],
[sg.Text(key='-INFO-', size=(60, 1))]]
window = sg.Window("Drawing and Moving Stuff Around", layout, finalize=True)
@ -59,7 +61,7 @@ def main():
dragging = False
start_point = end_point = prior_rect = None
graph.bind('<Button-3>', '+RIGHT+')
# graph.bind('<Button-3>', '+RIGHT+')
while True:
event, values = window.read()
@ -112,7 +114,6 @@ def main():
for fig in drag_figures:
graph.send_figure_to_back(fig)
window["-INFO-"].update(value=f"mouse {values['-GRAPH-']}")
elif event.endswith('+UP'): # The drawing has ended because mouse up
window["-INFO-"].update(value=f"grabbed rectangle from {start_point} to {end_point}")
start_point, end_point = None, None # enable grabbing a new rect
@ -120,10 +121,18 @@ def main():
prior_rect = None
elif event.endswith('+RIGHT+'): # Righ click
window["-INFO-"].update(value=f"Right clicked location {values['-GRAPH-']}")
elif event.endswith('+MOTION+'): # Righ click
window["-INFO-"].update(value=f"mouse freely moving {values['-GRAPH-']}")
elif event == '-SAVE-':
# filename = sg.popup_get_file('Choose file (PNG, JPG, GIF) to save to', save_as=True)
filename=r'test.jpg'
save_element_as_file(window['-GRAPH-'], filename)
elif event == 'Erase item':
window["-INFO-"].update(value=f"Right click erase at {values['-GRAPH-']}")
if values['-GRAPH-'] != (None, None):
drag_figures = graph.get_figures_at_location(values['-GRAPH-'])
for figure in drag_figures:
graph.delete_figure(figure)
window.close()