forked from AuroraMiddleware/gtk
7447ef0fc2
In particular, rename - libraries to lib*-3.0.so - pc files to *-3.0.pc - include paths to /usr/include/gtk-3.0/* - module paths to /usr/lib/gtk-3.0/* - rc files names to gtk-3.0/gtkrc - commandline utilities to *-3.0 - adjust documentation Also change the install location for unix-print headers to /usr/include/gtk-3.0/unix-print/gtk.
705 lines
13 KiB
Plaintext
705 lines
13 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GtkPrintOperation
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<!-- ##### SECTION Short_Description ##### -->
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High-level Printing API
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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GtkPrintOperation is the high-level, portable printing API. It looks
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a bit different than other GTK+ dialogs such as the #GtkFileChooser,
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since some platforms don't expose enough infrastructure to implement
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a good print dialog. On such platforms, GtkPrintOperation uses the
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native print dialog. On platforms which do not provide a native
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print dialog, GTK+ uses its own, see #GtkPrintUnixDialog.
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</para>
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<para>
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The typical way to use the high-level printing API is to create a
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#GtkPrintOperation object with gtk_print_operation_new() when the user
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selects to print. Then you set some properties on it, e.g. the page size,
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any #GtkPrintSettings from previous print operations, the number of pages,
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the current page, etc.
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</para>
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<para>
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Then you start the print operation by calling gtk_print_operation_run().
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It will then show a dialog, let the user select a printer and options.
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When the user finished the dialog various signals will be emitted on the
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#GtkPrintOperation, the main one being ::draw-page, which you are supposed
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to catch and render the page on the provided #GtkPrintContext using Cairo.
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</para>
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<example>
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<title>The high-level printing API</title>
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<programlisting>
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static GtkPrintSettings *settings = NULL;
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static void
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do_print (void)
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{
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GtkPrintOperation *print;
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GtkPrintOperationResult res;
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print = gtk_print_operation_new (<!-- -->);
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if (settings != NULL)
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gtk_print_operation_set_print_settings (print, settings);
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g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), NULL);
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g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), NULL);
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res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
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GTK_WINDOW (main_window), NULL);
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if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
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{
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if (settings != NULL)
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g_object_unref (settings);
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settings = g_object_ref (gtk_print_operation_get_print_settings (print));
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}
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g_object_unref (print);
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}
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</programlisting>
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</example>
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<para>
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By default GtkPrintOperation uses an external application to do
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print preview. To implement a custom print preview, an application
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must connect to the preview signal. The functions
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gtk_print_operation_print_preview_render_page(),
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gtk_print_operation_preview_end_preview() and
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gtk_print_operation_preview_is_selected() are useful
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when implementing a print preview.
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</para>
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<para>
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Printing support was added in GTK+ 2.10.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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#GtkPrintContext, #GtkPrintUnixDialog
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</para>
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<!-- ##### SECTION Stability_Level ##### -->
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<!-- ##### SECTION Image ##### -->
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<!-- ##### STRUCT GtkPrintOperation ##### -->
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<para>
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</para>
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<!-- ##### SIGNAL GtkPrintOperation::begin-print ##### -->
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<para>
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</para>
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@printoperation:
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@context:
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<!-- ##### SIGNAL GtkPrintOperation::create-custom-widget ##### -->
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<para>
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</para>
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@printoperation:
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@Returns:
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<!-- ##### SIGNAL GtkPrintOperation::custom-widget-apply ##### -->
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<para>
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</para>
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@printoperation:
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@widget:
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<!-- ##### SIGNAL GtkPrintOperation::done ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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<!-- ##### SIGNAL GtkPrintOperation::draw-page ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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@arg2:
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<!-- ##### SIGNAL GtkPrintOperation::end-print ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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<!-- ##### SIGNAL GtkPrintOperation::paginate ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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@Returns:
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<!-- ##### SIGNAL GtkPrintOperation::preview ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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@arg2:
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@arg3:
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@Returns:
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<!-- ##### SIGNAL GtkPrintOperation::request-page-setup ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@arg1:
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@arg2:
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@arg3:
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<!-- ##### SIGNAL GtkPrintOperation::status-changed ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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<!-- ##### SIGNAL GtkPrintOperation::update-custom-widget ##### -->
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<para>
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</para>
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@printoperation: the object which received the signal.
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@widget:
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@arg1:
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@arg2:
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<!-- ##### ARG GtkPrintOperation:allow-async ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:current-page ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:custom-tab-label ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:default-page-setup ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:embed-page-setup ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:export-filename ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:has-selection ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:job-name ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:n-pages ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:n-pages-to-print ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:print-settings ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:show-progress ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:status ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:status-string ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:support-selection ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:track-print-status ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:unit ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkPrintOperation:use-full-page ##### -->
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<para>
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</para>
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<!-- ##### ENUM GtkPrintStatus ##### -->
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<para>
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The status gives a rough indication of the completion
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of a running print operation.
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</para>
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@GTK_PRINT_STATUS_INITIAL: The printing has not started yet; this
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status is set initially, and while the print dialog is shown.
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@GTK_PRINT_STATUS_PREPARING: This status is set while the begin-print
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signal is emitted and during pagination.
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@GTK_PRINT_STATUS_GENERATING_DATA: This status is set while the
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pages are being rendered.
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@GTK_PRINT_STATUS_SENDING_DATA: The print job is being sent off to the
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printer.
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@GTK_PRINT_STATUS_PENDING: The print job has been sent to the printer,
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but is not printed for some reason, e.g. the printer may be stopped.
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@GTK_PRINT_STATUS_PENDING_ISSUE: Some problem has occurred during
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printing, e.g. a paper jam.
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@GTK_PRINT_STATUS_PRINTING: The printer is processing the print job.
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@GTK_PRINT_STATUS_FINISHED: The printing has been completed successfully.
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@GTK_PRINT_STATUS_FINISHED_ABORTED: The printing has been aborted.
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<!-- ##### ENUM GtkPrintOperationAction ##### -->
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<para>
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The @action parameter to gtk_print_operation_run()
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determines what action the print operation should perform.
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</para>
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@GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG: Show the print dialog.
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@GTK_PRINT_OPERATION_ACTION_PRINT: Start to print without showing
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the print dialog, based on the current print settings.
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@GTK_PRINT_OPERATION_ACTION_PREVIEW: Show the print preview.
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@GTK_PRINT_OPERATION_ACTION_EXPORT: Export to a file. This requires
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the export-filename property to be set.
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<!-- ##### ENUM GtkPrintOperationResult ##### -->
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<para>
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A value of this type is returned by gtk_print_operation_run().
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</para>
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@GTK_PRINT_OPERATION_RESULT_ERROR: An error has occured.
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@GTK_PRINT_OPERATION_RESULT_APPLY: The print settings should be stored.
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@GTK_PRINT_OPERATION_RESULT_CANCEL: The print operation has been canceled,
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the print settings should not be stored.
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@GTK_PRINT_OPERATION_RESULT_IN_PROGRESS: The print operation is not complete
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yet. This value will only be returned when running asynchronously.
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<!-- ##### ENUM GtkPrintError ##### -->
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<para>
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Error codes that identify various errors that can occur while
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using the GTK+ printing support.
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</para>
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@GTK_PRINT_ERROR_GENERAL: An unspecified error occurred.
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@GTK_PRINT_ERROR_INTERNAL_ERROR: An internal error occurred.
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@GTK_PRINT_ERROR_NOMEM: A memory allocation failed.
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@GTK_PRINT_ERROR_INVALID_FILE: An error occurred while loading a page setup
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or paper size from a key file.
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<!-- ##### MACRO GTK_PRINT_ERROR ##### -->
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<para>
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The #GQuark used for #GtkPrintError errors.
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</para>
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<!-- ##### FUNCTION gtk_print_operation_new ##### -->
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<para>
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</para>
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@void:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_allow_async ##### -->
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<para>
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</para>
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@op:
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@allow_async:
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<!-- ##### FUNCTION gtk_print_operation_get_error ##### -->
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<para>
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</para>
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@op:
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@error:
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<!-- ##### FUNCTION gtk_print_operation_set_default_page_setup ##### -->
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<para>
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</para>
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@op:
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@default_page_setup:
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<!-- ##### FUNCTION gtk_print_operation_get_default_page_setup ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_print_settings ##### -->
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<para>
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</para>
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@op:
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@print_settings:
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<!-- ##### FUNCTION gtk_print_operation_get_print_settings ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_job_name ##### -->
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<para>
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</para>
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@op:
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@job_name:
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<!-- ##### FUNCTION gtk_print_operation_set_n_pages ##### -->
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<para>
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</para>
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@op:
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@n_pages:
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<!-- ##### FUNCTION gtk_print_operation_get_n_pages_to_print ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_current_page ##### -->
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<para>
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</para>
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@op:
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@current_page:
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<!-- ##### FUNCTION gtk_print_operation_set_use_full_page ##### -->
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<para>
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</para>
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@op:
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@full_page:
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<!-- ##### FUNCTION gtk_print_operation_set_unit ##### -->
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<para>
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</para>
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@op:
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@unit:
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<!-- ##### FUNCTION gtk_print_operation_set_export_filename ##### -->
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<para>
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</para>
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@op:
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@filename:
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<!-- ##### FUNCTION gtk_print_operation_set_show_progress ##### -->
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<para>
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</para>
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@op:
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@show_progress:
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<!-- ##### FUNCTION gtk_print_operation_set_track_print_status ##### -->
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<para>
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</para>
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@op:
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@track_status:
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<!-- ##### FUNCTION gtk_print_operation_set_custom_tab_label ##### -->
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<para>
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</para>
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@op:
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@label:
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<!-- ##### FUNCTION gtk_print_operation_run ##### -->
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<para>
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</para>
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@op:
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@action:
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@parent:
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@error:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_cancel ##### -->
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<para>
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</para>
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@op:
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<!-- ##### FUNCTION gtk_print_operation_draw_page_finish ##### -->
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<para>
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</para>
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@op:
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<!-- ##### FUNCTION gtk_print_operation_set_defer_drawing ##### -->
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<para>
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</para>
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@op:
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<!-- ##### FUNCTION gtk_print_operation_get_status ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_get_status_string ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_is_finished ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_support_selection ##### -->
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<para>
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</para>
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@op:
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@support_selection:
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<!-- ##### FUNCTION gtk_print_operation_get_support_selection ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_has_selection ##### -->
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<para>
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</para>
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@op:
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@has_selection:
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<!-- ##### FUNCTION gtk_print_operation_get_has_selection ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_operation_set_embed_page_setup ##### -->
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<para>
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</para>
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@op:
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@embed:
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<!-- ##### FUNCTION gtk_print_operation_get_embed_page_setup ##### -->
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<para>
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</para>
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@op:
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@Returns:
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<!-- ##### FUNCTION gtk_print_run_page_setup_dialog ##### -->
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<para>
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</para>
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@parent:
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@page_setup:
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@settings:
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@Returns:
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<!-- ##### USER_FUNCTION GtkPageSetupDoneFunc ##### -->
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<para>
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The type of function that is passed to gtk_print_run_page_setup_dialog_async().
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This function will be called when the page setup dialog is dismissed, and
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also serves as destroy notify for @data.
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</para>
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@page_setup: the #GtkPageSetup that has been
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@data: user data that has been passed to
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gtk_print_run_page_setup_dialog_async().
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<!-- ##### FUNCTION gtk_print_run_page_setup_dialog_async ##### -->
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<para>
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</para>
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@parent:
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@page_setup:
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@settings:
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@done_cb:
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@data:
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<!-- ##### STRUCT GtkPrintOperationPreview ##### -->
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<para>
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</para>
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<!-- ##### SIGNAL GtkPrintOperationPreview::got-page-size ##### -->
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<para>
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</para>
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@printoperationpreview: the object which received the signal.
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@arg1:
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@arg2:
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<!-- ##### SIGNAL GtkPrintOperationPreview::ready ##### -->
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<para>
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</para>
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@printoperationpreview: the object which received the signal.
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@arg1:
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<!-- ##### FUNCTION gtk_print_operation_preview_end_preview ##### -->
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<para>
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</para>
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@preview:
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<!-- ##### FUNCTION gtk_print_operation_preview_is_selected ##### -->
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|
<para>
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|
</para>
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@preview:
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@page_nr:
|
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@Returns:
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|
<!-- ##### FUNCTION gtk_print_operation_preview_render_page ##### -->
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|
<para>
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</para>
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@preview:
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@page_nr:
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