[Bug 141730] New: page down/up goes to next/previous picture istead of scolling a page

[Daniel Bauer-2]

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           Summary: page down/up goes to next/previous picture istead of
                    scolling a page
           Product: digikam
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Albums GUI
        AssignedTo: digikam-devel kde org
        ReportedBy: linux daniel-bauer com


Version:           0.9.1 svn (using KDE KDE 3.5.6)
Installed from:    SuSE RPMs
OS:                Linux

in album view clicking page down goes to the next picture (page up to the previous picture). This is just the same as using right or left arrow key.

I think page down/up keys should scroll to the next/previous page instead.
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[Fabien-5]

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------- Additional Comments From fabien.ubuntu gmail com  2007-02-15 17:41 -------
Hi Daniel,

It's not the same : right/left arrow move you to right or left thumbnail while page-up/page-down go to previous/next picture
Personaly, I like it like that...
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------- Additional Comments From hugelmopf web de  2007-02-25 00:35 -------
Fabien, can you explain in detail, what you mean? I tend to agree with Daniel, that page-up/down is doing exactly the same as left/right in album view.
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[Arnd Baecker]

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------- Additional Comments From arnd.baecker web de  2007-07-01 12:03 -------
I would also think that page up/down should go to next/previous page
(and also don't understand #1 ...)
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[Arnd Baecker]

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------- Additional Comments From arnd.baecker web de  2007-11-01 18:43 -------
So what should be done with this wish?
Pressing CTRL-PageDown goes down by one page...
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[krienke]

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------- Additional Comments From krienke uni-koblenz de  2007-11-01 19:17 -------
I too wondered about the fact that a page down only causes a "next photo" action which can also be triggered by pressing the cursor right key. As the word "page down" says I would expect exactly this. Go down/up one complete page (many photos up/down depending on the size of the window).
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[Arnd Baecker]

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------- Additional Comments From arnd.baecker web de  2007-11-02 11:10 -------
Created an attachment (id=21981)
 --> (http://bugs.kde.org/attachment.cgi?id=21981&action=view)
Make PageUp/PageDown  move by screen pages in the album view

OK, we also discussed this issue on the IRC yesterday,
and the conclusion is:

- comment #1 is not confirmed.
- PageDown/PageUp should do what they say ;-)
- In Preview mode: PageDown/CursorRight and PageUp/CursorLeft should
  go to the previous/next item.

When looking at the code I did at first not understand, why
CTRL+PageDown did the expected and PageDown
did just go to the next item
(routine void IconView::keyPressEvent(QKeyEvent* e)).
It turned out that in void DigikamApp::setupAccelerators()
Key_Next and Key_Prior are bound to signalNextItem() and signalPrevItem() !
so only if CTRL is pressed, it gets through to void
IconView::keyPressEvent(QKeyEvent* e).

This explains the approach taken in the attached patch:
a) in void DigikamApp::setupAccelerators() bind Key_Right and Key_Left
   to signalNextItem() and signalPrevItem()
b) Don't bind PageDown/PageUp (i.e. Key_Next, Key_Prev) in
   DigikamApp::setupAccelerators()
c) a new void ImagePreviewView::keyPressEvent(QKeyEvent* e)
   to bind Key_PageDown and Key_PageUp in the preview mode.

However, c) does not work, i.e. the routine keyPressEvent is
never called.
So presumably this is the wrong approach/not done correctly.

Ideas how to solve this last bit are welcome!
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------- Additional Comments From nsushkin sushkins net  2008-01-02 11:01 -------
Merely suggesting using Alt-Left (Back) and Alt-Right (Forward) for scrolling through the photos.
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------- Additional Comments From dhammond webdevout net  2008-01-27 20:03 -------
I'm not sure whether this is related or not, but I'm having an issue in the embedded preview mode regarding the left/right keys, which I've bound to the Prior/Next actions in the KDE Control Center. When I select an image and hit Enter (or Image > View...), PgUp and PgDown allow me to switch between images, but left/right do not. Here's the kicker: If I switch to another window and then switch back, left/right suddenly work.
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