Review Request 123888: [krunner] Bring back history

[Kai Uwe Broulik]

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https://git.reviewboard.kde.org/r/123888/
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Review request for Plasma, KDE Usability and Vishesh Handa.


Bugs: 335731
    https://bugs.kde.org/show_bug.cgi?id=335731


Repository: plasma-workspace


Description
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This turns KRunner's TextField into an editable ComboBox to provide a history.

When a result is invoked, the query string is prepended to the history, query strings are only added once. ComboBox provides letter-by-letter auto completion.


Diffs
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  krunner/view.h 1ad5075 
  krunner/view.cpp 8640e1d 
  lookandfeel/contents/runcommand/RunCommand.qml 4c6eb30 

Diff: https://git.reviewboard.kde.org/r/123888/diff/


Testing
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Somehow I have a feeling it doesn't always save the history or nukes it at times. It also has some shortcomings due to ComboBox:

1.) You cannot use the arrow keys to cycle between entries (when the popup's not opened) because arrow keys navigate through results
2.) forceActiveFocus() on the ComboBox will not activate the embedded TextField - when you had opened the popup there's a slight chance the input field won't get focussed I'll prepare a Qt patch for this.
3.) Before Qt 5.4.2 (not sure if my patch ended up in 5.4.1) pressing space in the edit combobox will open the popup, not insert a space (nasty show stopper)
4.) Plasma's edtiable ComboBox looks a bit strange imho
5.) Plasma's editable ComboBox doesn't support clearButtonShown
6.) Plasma's ComboBox has strange bullets and margins in it, that's probably a bug in Plasma Style (need to look what Desktop style does differently from us)
7.) ComboBox doesn't have a cursorPosition, I'll prepare a Qt patch for this.


File Attachments
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History popup
  https://git.reviewboard.kde.org/media/uploaded/files/2015/05/23/7ad7e5eb-4874-4f9f-9796-738fa2ac9ed5__krunnerhistory.png
Auto completion
  https://git.reviewboard.kde.org/media/uploaded/files/2015/05/23/18714844-ef28-4cdd-af00-e6685caece9b__krunnerautocompletion.png


Thanks,

Kai Uwe Broulik

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