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List:       kdevelop-bugs
Subject:    [Bug 144254] New: Local variable tree expanded unnecessarily,
From:       Thomas McGuire <Thomas.McGuire () gmx ! net>
Date:       2007-04-15 12:53:23
Message-ID: 20070415145322.144254.Thomas.McGuire () gmx ! net
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http://bugs.kde.org/show_bug.cgi?id=144254         
           Summary: Local variable tree expanded unnecessarily, slowing down
                    frame switching
           Product: kdevelop
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: CPP Debugger
        AssignedTo: kdevelop-bugs kdevelop org
        ReportedBy: Thomas.McGuire gmx net


Version:           3.4 SVN (3.5 branch) (using KDE KDE 3.5.6)
Installed from:    Ubuntu Packages
OS:                Linux

For big projects, updating the local variables takes ages (several seconds) because a \
lot of GDB commands (-var-update*, -var-evaluate-expression, whatis, print) are \
executed.

Fortunately, collapsing the "Locals" tree prevents updates.

However, the "Locals" tree is expanded again when changing frames using the \
framestack widget. This should not happen. Because of this, using the framestack \
widget for switching frames is unusable for big projects.

When switching frames, the "Locals" tree should not be automatically expanded.

The cause for this is the call "frame->setOpen(true)" in \
VariableTree::demand_frame_root. However, this can not be solved by simply removing \
this call, since in demand_frame_root, a new "Local" tree is created, which is only \
removed later in VariableTree::frameIdReady. Removing the setOpen() call would also \
prevent frameIdReady() to be called.

I do not know how to solve this properly myself.


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