gtkFileChooserSetPreviewWidget

a <code><a rd-options="" href="/link/GtkFileChooser?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::GtkFileChooser">GtkFileChooser</a></code>

<code>object</code>

<code>preview.widget</code>

Sets an application-supplied widget to use to display a custom preview
of the currently selected file. To implement a preview, after setting the
preview widget, you connect to the <code>"update-preview"</code>
signal, and call <code><a rd-options="" href="/link/gtkFileChooserGetPreviewFilename?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::gtkFileChooserGetPreviewFilename">gtkFileChooserGetPreviewFilename</a></code> or
<code><a rd-options="" href="/link/gtkFileChooserGetPreviewUri?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::gtkFileChooserGetPreviewUri">gtkFileChooserGetPreviewUri</a></code> on each change. If you can
display a preview of the new file, update your widget and
set the preview active using <code><a rd-options="" href="/link/gtkFileChooserSetPreviewWidgetActive?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::gtkFileChooserSetPreviewWidgetActive">gtkFileChooserSetPreviewWidgetActive</a></code>.
Otherwise, set the preview inactive.

internal

Facilities in the R language for programming
graphical interfaces using Gtk, the Gimp Tool Kit.

Michael Lawrence

RGtk2

R bindings for Gtk 2.8.0 and above

gtkFileChooserSetPreviewWidget function

a <code><a rd-options='' href='GtkFileChooser'>GtkFileChooser</a></code>

Sets an application-supplied widget to use to display a custom preview
of the currently selected file. To implement a preview, after setting the
preview widget, you connect to the <code>"update-preview"</code>
signal, and call <code><a rd-options='' href='gtkFileChooserGetPreviewFilename'>gtkFileChooserGetPreviewFilename</a></code> or
<code><a rd-options='' href='gtkFileChooserGetPreviewUri'>gtkFileChooserGetPreviewUri</a></code> on each change. If you can
display a preview of the new file, update your widget and
set the preview active using <code><a rd-options='' href='gtkFileChooserSetPreviewWidgetActive'>gtkFileChooserSetPreviewWidgetActive</a></code>.
Otherwise, set the preview inactive.

gtkFileChooserSetPreviewWidget: gtkFileChooserSetPreviewWidget

Description

Usage

Arguments

Details