The warning shows when passing an empty string to the constructor of a
QColor. It has been removed again, but still made it into the alpha, so
let's work it around for now.

Reviewed-by: con

Previously this resulted in the folded code being removed.

Task-number: QTCREATORBUG-768

Moved Qt Designer to open from Design Mode. Also, Design mode is now global,
and created in coreplugin. Other plugins can register themselves to it.

Task-number: QTCREATORBUG-758
Reviewed-by: thorbjorn

On some desktop environments, dragging and dropping a file gives us
the url to the file in multiple mime types, including text/plain. This
causes the url to be inserted as text by default.

Work around this issue by explicitly ignoring drop events for the text
editor when they also come with urls.

Task-number: QTCREATORBUG-728
Reviewed-by: Friedemann Kleint

task-number: QTCREATORBUG-611

Broke in f14c50da

Done-with: Roberto Raggi <roberto.raggi@nokia.com>

Save some cycles by not using QTextBlock::text unnecessarily (since only
its length and the character at the block position were used).

This is to make it consistent with the rest of the settings ui.
When a checkbox is unchecked, the sub-check box becomes invalid, its
functionality is disabled, but it retains its checked state.

Merge-request: 1766
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Merge-request: 1766
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Merge-request: 1766
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Merge-request: 1766
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Based on the previous (referrable) line

Merge-request: 1766
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Separating navigation history logic from updating of highlights.

Merge-request: 1949
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Reviewed-by: Roberto Raggi

Universal helper kept around for comfort.

QString: Use QChar/char where appropriate, do not use QString::null

Regression in commit ab3d3cf4

Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>

Done with: Thorbjorn.

foreach()-Loops.

QString: Use QChar where appropriate.

doing it in 1.3 as well to avoid possible later conflicts

Yeah, now it looks as bad as the native completion widget :)
Reported by Nigel.

The smart backspace handling required a preceeding
non empty text block. In this case, the fix introduces
a standard backspace (deletePreviousCharacter).

Reviewed-by: dt