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Corrected key name to use coding conventions. Added right click info. Display the mouse position in text for all graph events.

This commit is contained in:
PySimpleGUI 2021-02-03 15:48:59 -05:00
parent ed877df74b
commit 14b868caf2
1 changed files with 14 additions and 9 deletions
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23
DemoPrograms/Demo_Graph_Drawing_And_Dragging_Figures.py
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@ -6,6 +6,8 @@ from PIL import ImageGrab
This demo shows how to use a Graph Element to (optionally) display an image and then use the
mouse to "drag" and draw rectangles and circles.
Copyright 2020 PySimpleGUI.org
"""
def save_element_as_file(element, filename):
@ -35,7 +37,7 @@ def main():
[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)],
[sg.R('Move Stuff', 1, key='-MOVE-', enable_events=True)],
[sg.B('Save Image', key='-SAVE-')],
]
@ -46,8 +48,8 @@ def main():
key="-GRAPH-",
enable_events=True,
background_color='lightblue',
drag_submits=True), sg.Col(col) ],
[sg.Text(key='info', size=(60, 1))]]
drag_submits=True), sg.Col(col, key='-COL-') ],
[sg.Text(key='-INFO-', size=(60, 1))]]
window = sg.Window("Drawing and Moving Stuff Around", layout, finalize=True)
@ -58,17 +60,17 @@ def main():
dragging = False
start_point = end_point = prior_rect = None
graph.bind('<Button-3>', '+RIGHT+')
while True:
event, values = window.read()
print(event, values)
if event == sg.WIN_CLOSED:
break # exit
if event in ('-MOVE-', '-MOVEALL-'):
graph.Widget.config(cursor='fleur')
# graph.set_cursor(cursor='fleur') # not yet released method... coming soon!
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')
graph.set_cursor(cursor='left_ptr') # not yet released method... coming soon!
if event == "-GRAPH-": # if there's a "Graph" event, then it's a mouse
x, y = values["-GRAPH-"]
@ -109,12 +111,15 @@ def main():
elif values['-BACK-']:
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
info = window["info"]
info.update(value=f"grabbed rectangle from {start_point} to {end_point}")
window["-INFO-"].update(value=f"grabbed rectangle from {start_point} to {end_point}")
start_point, end_point = None, None # enable grabbing a new rect
dragging = False
prior_rect = None
elif event.endswith('+RIGHT+'): # Righ click
window["-INFO-"].update(value=f"Right clicked location {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'