Debugger: Make most of tooltip label a handle for dragging.
Debugger: Make most of tooltip label a handle for dragging.

Previously, the actual text, not the free space, was usable.

Change-Id: Ib33990def16e48826505c45b6b764dc4c9fbb314
Reviewed-by: Christian Stenger <accbb51712d7b9c4fb108439d01e716148e5f9e6@digia.com>

xianian/qt-creator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,xianian/qt-creator,farseerri/git_code,farseerri/git_code,danimo/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,Distrotech/qtcreator,danimo/qt-creator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,kuba1/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,kuba1/qtcreator,danimo/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,farseerri/git_code,Distrotech/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,danimo/qt-creator,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,farseerri/git_code,farseerri/git_code,amyvmiwei/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator