[KDE Usability] Review Request 127054: Add a Filter Toolbar Button for Dolphin

[Thomas Lübking]

> On März 16, 2016, 7:07 nachm., Emmanuel Pescosta wrote:
> > dolphinmainwindow.cpp, line 1104
> > <https://git.reviewboard.kde.org/r/127054/diff/9/?file=453363#file453363line1104>
> >
> >     This solution has some disadvantages, especially that it's not possible to change the filter bar shortcut anymore.
> >     
> >     A better solution would be to install an event filter [1] on the showFilterBar action. The event filter can then catch the shortcut event [2] and handle it if needed (see the KeyPressEater example in [1] how this can be done).
> >     
> >     [1] https://doc.qt.io/qt-5/qobject.html#installEventFilter
> >     [2] https://doc.qt.io/qt-5/qshortcutevent.html
> 
> arnav dhamija wrote:
>     Cool solution! But I'm having trouble with implementing DolphinMainWindow::eventFilter(). The action which I am targetting is showFilterBar, but that is only available in the DolphinMainWindow::setupActions() function. Therefore, I cannot pass the QAction to the eventFilter() function.
>     
>     For example:
>     
>     bool DolphinMainWindow::eventFilter(QObject *obj, QEvent *event)
>     {
>         if (obj == ???) { //How should I pass showFilterBar? Should obj==QAction? Shuld I create a new class for the filter barand then check the object?
>             if (event->type() == QEvent::Shortcut) {1
>             ... 
>             //use the toggleFocus function and check for the precise shortcut
>                return true;
>             } else {
>                return false;
>           }
>     }
> 
> Emmanuel Pescosta wrote:
>     > Shuld I create a new class for the filter barand then check the object?
>     
>     Yep, please create a new class for the event filter. We can then use the same event filter for the find action ;)

I didn't actually try, but the shortcut event should be on every widget, ie. you won't require a filter but can just override ::event(QEvent *e) function of any widget in the window.

You can make showFilterBar a member pointer or look up the action in the dict (but that's rather overheadish...)


- Thomas


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On März 16, 2016, 4:53 nachm., arnav dhamija wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/127054/
> -----------------------------------------------------------
> 
> (Updated März 16, 2016, 4:53 nachm.)
> 
> 
> Review request for Dolphin, KDE Usability and Emmanuel Pescosta.
> 
> 
> Repository: dolphin
> 
> 
> Description
> -------
> 
> This patch was created to implement the feature suggested here: [https://todo.kde.org/?controller=task&action=show&task_id=966](https://todo.kde.org/?controller=task&action=show&task_id=966)
> 
> This patch adds a Filter Button to the toolbar of Dolphin. This button can be toggled to show/hide the Filter Bar.
> 
> In this patch, one might notice that there is now show_filter_bar and show_filter_bar_button in dolphinui.rc file. This was done because I found that using the same action for the menu entry and the toolbar entry would cause something to break (eg, shortcuts would stop working). 
> 
> A screenshot of the toolbar is also attached.
> 
> 
> Diffs
> -----
> 
>   dolphinmainwindow.h 7003e94 
>   dolphinmainwindow.cpp f7a7613 
>   dolphinviewcontainer.h 62f9110 
>   dolphinviewcontainer.cpp 8fea3ba 
> 
> Diff: https://git.reviewboard.kde.org/r/127054/diff/
> 
> 
> Testing
> -------
> 
> manual
> 
> 
> File Attachments
> ----------------
> 
> dolphintoolbar.png
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/02/12/d936e5d0-557c-45c5-9a2d-f849e5d284a6__dolphintoolbar.png
> patch.txt
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/16/1eb43168-65dd-410b-a74b-f895f3035c83__patch.txt
> 
> 
> Thanks,
> 
> arnav dhamija
> 
>

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