Scrolling the book details panel

Bradles · 11-23-2020, 06:34 PM

Hi folks,

I'm making the world's most boring plug-in to scroll the book details panel in response to a spacebar if there is more then one "page" of book info:

Code:

self.gui.book_details.book_info.moveCursor(QTextCursor.End)

This scrolls to the end, which is okay if there's only two pages of text, but ideally I want to scroll down one page at a time.

I tried

Code:

QTextCursor.NextBlock

, but there are so many blocks (Authors, IDs, Formats, etc.) that it takes too many spacebars to get moving.

Any thoughts? Basically looking for the equivalent of clicking on the scroll bar, or sending a "Page Down" keypress.

Smooth scrolling would be a bonus, but I don't think that's possible.

kovidgoyal · 11-23-2020, 10:45 PM

book_info.verticalScrollbar().triggerAction(QAbstr actSlider.SliderPageStepAdd)

Bradles · 11-24-2020, 01:14 AM

Thanks Kovid. (Capital B in verticalScrollBar but all good.)

A PageStep was just a smidgen too far, so I subtracted a SingleStep and got the results I was looking for.

11-23-2020, 06:34 PM	#1
Bradles Connoisseur Posts: 70 Karma: 21074 Join Date: Nov 2020 Location: Perth, Western Australia Device: Apple Books & Kobo Libra H20	Scrolling the book details panel Hi folks, I'm making the world's most boring plug-in to scroll the book details panel in response to a spacebar if there is more then one "page" of book info: Code: self.gui.book_details.book_info.moveCursor(QTextCursor.End) This scrolls to the end, which is okay if there's only two pages of text, but ideally I want to scroll down one page at a time. I tried Code: QTextCursor.NextBlock , but there are so many blocks (Authors, IDs, Formats, etc.) that it takes too many spacebars to get moving. Any thoughts? Basically looking for the equivalent of clicking on the scroll bar, or sending a "Page Down" keypress. Smooth scrolling would be a bonus, but I don't think that's possible.

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11-23-2020, 10:45 PM	#2
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	book_info.verticalScrollbar().triggerAction(QAbstr actSlider.SliderPageStepAdd)

11-24-2020, 01:14 AM	#3
Bradles Connoisseur Posts: 70 Karma: 21074 Join Date: Nov 2020 Location: Perth, Western Australia Device: Apple Books & Kobo Libra H20	Thanks Kovid. (Capital B in verticalScrollBar but all good.) A PageStep was just a smidgen too far, so I subtracted a SingleStep and got the results I was looking for.