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The onModeChanged gets always called, even after shutdown where we
already had deleted the DebuggerManager. Don't access the 0 pointer.

works only with gbd 7.0 so far.

Introduced struct DebuggerStartParameters to pass around
start parameters, removing the need for the engines to
access private members of DebuggerManager. Pass it
to DebuggerManager::startNewDebugger() and move
the GUI parts of that function into DebuggerPlugin,
making it possible to create the struct from command line
parameters. Introduce command line parsing with a few more
-enable-xx options. Introduce warning() to debugger panel
in the CDB engine.

On this occasion, clean out a few trailing whitespaces.

The dock widget visibility was not saved/restored correctly, and pulling
floating dock widgets back into the layout didn't remove the header
widget in case of locked mode.
Now we track visibility and floating state of dock widgets directly.

Reviewed-by: hjk <qtc-committer@nokia.com>

Make debugger tooltip API more general, have the engines check the
correct file type, figure out the expression and context from the text
editor.

Put common functionality in watchutils.cpp. In the CDB engine, check
whether a tooltip expression is a known variable within the stack frame
context. If so, retrieve via symbol group or dumpers. Cache by function
and expression.
Reviewed-by: hjk <qtc-committer@nokia.com>

Modify engine creation funcs to populate a list of option pages
to be able to handle engine enabling independently of the
actual engine creation.

Reviewed-by: hjk <qtc-committer@nokia.com>

this includes changing the runInTerminal.command command line.
the terminal setting mock from the debugger plugin is gone again.

Add modules, threads and register view. Refactor register format code.

Qt creator starts up now, no debugging yet.

double click on the "<...>" line

mostly renamings