Review Request 120934: Fix Krita Gemini/Sketch window titles for filenames with %1 or %2 inside

[Friedrich W. H. Kossebau]

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https://git.reviewboard.kde.org/r/120934/
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Review request for Calligra, Arjen Hiemstra, Dan Leinir Turthra Jensen, and Boudewijn Rempt.


Repository: calligra


Description
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When testing Calligra Gemini with the Calligra test document set, I was wondering why "CalligraGemini" suddenly was inside the filenames displayed in the title. Reason is that the window title composing is custom made, using "%1" and "%2", strings which can be also found in the filenames of the test document set, as they are created from encoded origin urls.

And the code of Calligra Gemini is the same as in Krita Gemini and Krita Sketch.

Attached patch proposes to just create the window title by falling back to the code KMainWindow also uses:
http://api.kde.org/4.x-api/kdelibs-apidocs/kdeui/html/kmainwindow_8cpp_source.html#l00552

There is one issue though, which I need input for. I suspected this line actually will be called if the current document is modified:
```
    connect(DocumentManager::instance(), SIGNAL(documentChanged()), SLOT(resetWindowTitle()));
```
But seems that the signal `documentChanged()` is only about that there was a switch which document is loaded.

So even after this patch the window title will never show the "[modified]" flag, which is different from how Desktop Krita behaves.
Intended (so the respective lines could be removed from this patch), or a bug?
If not intended, how and where should the modified signal be registered to and unregistered from?


Diffs
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  krita/gemini/MainWindow.cpp d74c12c 
  krita/sketch/MainWindow.cpp 98a6c02 

Diff: https://git.reviewboard.kde.org/r/120934/diff/


Testing
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Thanks,

Friedrich W. H. Kossebau

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