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PySimpleGUI
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Lots of new features!

This commit is contained in:
PySimpleGUI 2019-12-19 11:00:17 -05:00
parent 8420ac99fb
commit c1e171d681
1 changed files with 26 additions and 10 deletions
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36
DemoPrograms/Demo_Graph_Drawing_And_Dragging_Figures.py
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@ -11,18 +11,21 @@ def main():
sg.change_look_and_feel('Dark Blue 3') sg.change_look_and_feel('Dark Blue 3')
col = [[sg.R('Draw Rectangles', 1, key='-RECT-')], col = [[sg.T('Choose what clicking a figure does', enable_events=True)],
[sg.R('Draw Circle', 1, True, key='-CIRCLE-')], [sg.R('Draw Rectangles', 1, key='-RECT-', enable_events=True)],
[sg.R('Draw Line', 1, True, key='-LINE-')], [sg.R('Draw Circle', 1, key='-CIRCLE-', enable_events=True)],
[sg.R('Draw point', 1, True, key='-POINT-')], [sg.R('Draw Line', 1, key='-LINE-', enable_events=True)],
[sg.R('Erase item', 1, True, key='-ERASE-')], [sg.R('Draw point', 1, key='-POINT-', enable_events=True)],
[sg.R('Erase all', 1, True, key='-CLEAR-')], [sg.R('Erase item', 1, key='-ERASE-', enable_events=True)],
[sg.R('Move Everything', 1, True, key='-MOVEALL-')], [sg.R('Erase all', 1, key='-CLEAR-', enable_events=True)],
[sg.R('Move Stuff', 1, True, key='-MOVE-')], [sg.R('Send to back', 1, key='-BACK-', enable_events=True)],
[sg.R('Bring to front', 1, key='-FRONT-', enable_events=True)],
[sg.R('Move Everything', 1, key='-MOVEALL-', enable_events=True)],
[sg.R('Move Stuff', 1, True, key='-MOVE-', enable_events=True)],
] ]
layout = [[sg.Graph( layout = [[sg.Graph(
canvas_size=(1200,1200), canvas_size=(400, 400),
graph_bottom_left=(0, 0), graph_bottom_left=(0, 0),
graph_top_right=(400, 400), graph_top_right=(400, 400),
key="-GRAPH-", key="-GRAPH-",
@ -39,11 +42,18 @@ def main():
dragging = False dragging = False
start_point = end_point = prior_rect = None start_point = end_point = prior_rect = None
graph.bind('<Button-3>', '+RIGHT+')
while True: while True:
event, values = window.read() event, values = window.read()
if event is None: if event is None:
break # exit break # exit
if event in ('-MOVE-', '-MOVEALL-'):
graph.Widget.config(cursor='fleur')
# graph.set_cursor(cursor='fleur') # not yet released method... coming soon!
elif not event.startswith('-GRAPH-'):
# graph.set_cursor(cursor='left_ptr') # not yet released method... coming soon!
graph.Widget.config(cursor='left_ptr')
if event == "-GRAPH-": # if there's a "Graph" event, then it's a mouse if event == "-GRAPH-": # if there's a "Graph" event, then it's a mouse
x, y = values["-GRAPH-"] x, y = values["-GRAPH-"]
if not dragging: if not dragging:
@ -77,6 +87,12 @@ def main():
graph.erase() graph.erase()
elif values['-MOVEALL-']: elif values['-MOVEALL-']:
graph.move(delta_x, delta_y) graph.move(delta_x, delta_y)
elif values['-FRONT-']:
for fig in drag_figures:
graph.bring_figure_to_front(fig)
elif values['-BACK-']:
for fig in drag_figures:
graph.send_figure_to_back(fig)
elif event.endswith('+UP'): # The drawing has ended because mouse up elif event.endswith('+UP'): # The drawing has ended because mouse up
info = window["info"] info = window["info"]
info.update(value=f"grabbed rectangle from {start_point} to {end_point}") info.update(value=f"grabbed rectangle from {start_point} to {end_point}")