listpreviewwidget¶

The listpreviewwidget is a widget that lists the slides in the slide controller. It is based on a QTableWidget but represents its contents in list form.

class openlp.core.ui.listpreviewwidget.ListPreviewWidget(parent, screen_ratio)[source]¶

Bases: PyQt5.QtWidgets.QTableWidget, openlp.core.common.registryproperties.RegistryProperties

A special type of QTableWidget which lists the slides in the slide controller

Parameters:	parent – screen_ratio –

change_slide(slide)[source]¶

Switches to the given row.

current_slide_number()[source]¶

Returns the position of the currently active item. Will return -1 if the widget is empty.

replace_service_item(service_item, width, slide_number)[source]¶

Replace the current preview items with the ones in service_item and display the given slide

Parameters:	service_item – The service item to insert width – The width of the column slide_number – The slide number to pre-select

resizeEvent(event)[source]¶

Overloaded method from QTableWidget. Will recalculate the layout.

screen_size_changed(screen_ratio)[source]¶

This method is called whenever the live screen size changes, which then makes a layout recalculation necessary

Parameters:	screen_ratio – The new screen ratio

slide_count()[source]¶

Returns the number of slides this widget holds.