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gui: add WaiterOverlay. To display processing wheel on top of another widget #3876

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merged 36 commits into from
Nov 21, 2023

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payno
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@payno payno commented Jun 23, 2023

Changelog:

add a silx.gui.widgets.WaitingOverlay

TODO

  • add a silx.gui.widgets.WaitingOverlay
    • display the 'waiting wheel' on top of the parent widget
    • reuse 'silx.gui.widgets.WaitingPushButton.WaitingPushButton' behind
    • remove silx.gui.plot.ImageStack._PlotWithWaitingLabel to use the WaitingOverlay instead
  • add test
  • add example

extra

close #3807

screenshot

Screenshot from 2023-10-24 10-26-17

@vallsv
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vallsv commented Jun 24, 2023

Please remember to remove this poor vvalls from your commit message. It's not me.

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vallsv commented Jun 24, 2023

As reminder

  • Also if we are about to use getWidgetHandle(), this widget is recreated when we change the silx backend. I suggest to create a sigBackendChanged in the PlotWidget. That's something i also have to clean up in Flint, so it would make my life easier. What do you think @t20100
  • The popup widget could also be better centered to the plot, in case it's a plot. @t20100 shows me that it exists an API to reach the rect collation inside the axes.

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vallsv commented Jul 10, 2023

I think it would be better to deprecate _PlotWithWaitingLabel as you did in a previous commit.
That's a way to allow us to drop some code in the future.

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payno commented Jul 10, 2023

Originally I wanted to deprecate it (_PlotWithWaitingLabel) but at the end I find it more convenient to keep it to handle autoResetWoom and connection with the new WaiterOverlay

src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/utils/waiteroverlay.py Outdated Show resolved Hide resolved
src/silx/gui/utils/waiteroverlay.py Outdated Show resolved Hide resolved
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t20100 commented Jul 10, 2023

it exists an API to reach the rect inside the axes.

Yes it is here:

def getPlotBoundsInPixels(self):
"""Plot area bounds in widget coordinates in pixels.
:return: bounds as a 4-tuple of int: (left, top, width, height)
"""
return self._backend.getPlotBoundsInPixels()

And could be used as a special case for handling resize.

@payno payno changed the title Draft: gui: add WaiterOverlay. To dispaly processing wheel on top of another… Draft: gui: add WaiterOverlay. To display processing wheel on top of another… Jul 20, 2023
@payno payno force-pushed the fix_3807 branch 3 times, most recently from 28da0ee to 941aeea Compare July 20, 2023 08:05
@payno payno changed the title Draft: gui: add WaiterOverlay. To display processing wheel on top of another… gui: add WaiterOverlay. To display processing wheel on top of another… Jul 20, 2023
src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Outdated Show resolved Hide resolved
src/silx/gui/utils/waiteroverlay.py Outdated Show resolved Hide resolved
src/silx/gui/utils/waiteroverlay.py Outdated Show resolved Hide resolved
# register to resize event
parent.installEventFilter(self)

def setText(self, text: str):
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For completeness, it would be good to have a getText method and docstrings for the public API

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👍 For 'homogeneity' I might go for a text() -> str if this is fine with you

src/silx/gui/utils/waiteroverlay.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Show resolved Hide resolved
src/silx/gui/utils/test/test_waiter_overlay.py Outdated Show resolved Hide resolved
Comment on lines 15 to 16
if isinstance(parent, PlotWidget):
parent = parent.getWidgetHandle()
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I think we can simplify the parenting, I'll make you a PR if I have a working solution

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And parenting by with getWidgetHandle(), the change of backend needs to be handled, or the widget will disappear

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vallsv commented Jul 20, 2023

Finally you have to use plot.sigBackendChanged to update the parent, else i am afraid it will not work when we switch from matplotlib/opengl. I can be wrong.

I can to the job if you like.

As you already have a setParent it's probably not so difficult.

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t20100 commented Jul 21, 2023

Finally you have to use plot.sigBackendChanged to update the parent

This is done (with other things) in #3912

@payno payno changed the title gui: add WaiterOverlay. To display processing wheel on top of another… Draft: gui: add WaiterOverlay. To display processing wheel on top of another… Aug 28, 2023
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t20100 commented Oct 23, 2023

What is the status of this PR?
Is it still a draft?

@payno payno changed the title Draft: gui: add WaiterOverlay. To display processing wheel on top of another… Draft: gui: add WaiterOverlay. To display processing wheel on top of another widget Oct 24, 2023
@payno payno changed the title Draft: gui: add WaiterOverlay. To display processing wheel on top of another widget gui: add WaiterOverlay. To display processing wheel on top of another widget Oct 24, 2023
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payno commented Oct 24, 2023

What is the status of this PR? Is it still a draft?

I think it is ready for review now :)

payno and others added 24 commits October 24, 2023 17:01
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LGTM, thanks!

It would be good to add the example to the doc, here: https://github.com/silx-kit/silx/blob/main/doc/source/sample_code/index.rst
And to add the WaitingOverlay to the API doc: https://github.com/silx-kit/silx/tree/main/doc/source/modules/gui/widgets

examples/waiterOverlay.py Outdated Show resolved Hide resolved
examples/waiterOverlay.py Outdated Show resolved Hide resolved
src/silx/gui/plot/ImageStack.py Show resolved Hide resolved
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payno and others added 2 commits October 25, 2023 14:19
@t20100 t20100 merged commit e3b5eab into main Nov 21, 2023
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@t20100 t20100 deleted the fix_3807 branch November 21, 2023 13:47
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move _PlotWithWaitingLabel to public
3 participants