IDLE: debugger context menus not working on Mac

[roseman]

BPO	24988
Nosy	@terryjreedy, @kbkaiser, @ned-deily, @serwy, @roseman
Files	debug-mac-context-menu.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/terryjreedy'
closed_at = <Date 2015-09-26.23:16:39.456>
created_at = <Date 2015-09-02.23:10:11.109>
labels = ['expert-IDLE', 'type-bug']
title = 'IDLE: debugger context menus not working on Mac'
updated_at = <Date 2015-09-26.23:16:50.046>
user = 'https://github.com/roseman'

bugs.python.org fields:

activity = <Date 2015-09-26.23:16:50.046>
actor = 'terry.reedy'
assignee = 'terry.reedy'
closed = True
closed_date = <Date 2015-09-26.23:16:39.456>
closer = 'terry.reedy'
components = ['IDLE']
creation = <Date 2015-09-02.23:10:11.109>
creator = 'markroseman'
dependencies = []
files = ['40325']
hgrepos = []
issue_num = 24988
keywords = ['patch']
message_count = 8.0
messages = ['249582', '249595', '249597', '249670', '249679', '249680', '251667', '251670']
nosy_count = 6.0
nosy_names = ['terry.reedy', 'kbk', 'ned.deily', 'roger.serwy', 'markroseman', 'python-dev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue24988'
versions = ['Python 2.7', 'Python 3.4', 'Python 3.5', 'Python 3.6']

[roseman]

Right menu button to invoke context menu (as well as alternative control-click) not set up correctly for Mac in the debugger. Patch attached.

[terryjreedy]

Ned, can you check this Idle-Mac patch?

I presume the same code is used elsewhere. It might be nice to encapsulate it sometime, though I am not sure where to put a context-bind function.

[terryjreedy]

'Goto source line' works on Win7. Show stackframe does not do anything that I can see, and seems perhaps redundant.

[roseman]

Terry, the new code I've proposed includes a "tkextras" module that is a good place for these sort of little convenience functions.

[terryjreedy]

The standard on Windows is to bring up a context menu on right-button-release, not on r-b-press. What about linux and mac?

Thunderbird and Notepad++ move the insertion cursor on rb-press, That is the paste position even if the mouse is moved before release. Notepad does not move the insert cursor. MS Word is confusing, erasing the cursor when the menu is displayed and moving it when the menu goes away.

EditorWindow.py has this code for context menu event binding:

        if macosxSupport.isAquaTk():
            # Some OS X systems have only one mouse button,
            # so use control-click for pulldown menus there.
            #  (Note, AquaTk defines <2> as the right button if
            #   present and the Tk Text widget already binds <2>.)
            text.bind("<Control-Button-1>",self.right_menu_event)
        else:
            # Elsewhere, use right-click for pulldown menus.
            text.bind("<3>",self.right_menu_event)

Testing with my middle button, a press and release act the same as left click to move the insertion cursor to the mouse cursor. Moving my mouse while holding the middle button down moves the text pane within the text window. The insertion cursor is not moved. This is pretty much redundant with using the scroll wheel or scroll bar.

Would it confuse Mac users to have rt-click for context menu only work in debugger? Could we make rt-click work in editor windows by recording position or time on press and compare position or time on release?

[terryjreedy]

I just found bpo-24801 which addressed the editor issue.

[python-dev]

New changeset bf11034f0291 by Terry Jan Reedy in branch '2.7':
Issue bpo-24988: Idle ScrolledList context menus (used in debugger)
https://hg.python.org/cpython/rev/bf11034f0291

New changeset 85a4c95ad02f by Terry Jan Reedy in branch '3.4':
Issue bpo-24988: Idle ScrolledList context menus (used in debugger)
https://hg.python.org/cpython/rev/85a4c95ad02f

[terryjreedy]

Opened bpo-25244 to consider changing exact right-click behavior.