From 0412a5fb05ca8726129a5f6f4d2ef599e804e444 Mon Sep 17 00:00:00 2001 From: infirit Date: Tue, 9 Dec 2014 15:50:09 +0100 Subject: libview: make sure gtk_print_operation_cancel() is called from draw-page callback Fixes crash when printing operation is cancelled. Taken from evince commit: a09aa79195825d5d9c80c36362203c7c36a5e914 From: Carlos Garcia Campos Gnome bug: https://bugzilla.gnome.org/show_bug.cgi?id=635619 --- libview/ev-print-operation.c | 40 +++++++++++++++++++++++++++++++++------- 1 file changed, 33 insertions(+), 7 deletions(-) (limited to 'libview') diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c index 3cec253a..6b972f4e 100644 --- a/libview/ev-print-operation.c +++ b/libview/ev-print-operation.c @@ -1628,7 +1628,10 @@ ev_print_operation_print_cancel (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); - gtk_print_operation_cancel (print->op); + if (print->job_print) + ev_job_cancel (print->job_print); + else + gtk_print_operation_cancel (print->op); } static void @@ -1707,11 +1710,30 @@ print_job_finished (EvJobPrint *job, ev_job_print_set_cairo (job, NULL); } +static gboolean +draw_page_finish_idle (EvPrintOperationPrint *print) +{ + if (ev_job_scheduler_get_running_thread_job () == print->job_print) + return TRUE; + + gtk_print_operation_draw_page_finish (print->op); + + return FALSE; +} + static void print_job_cancelled (EvJobPrint *job, - EvPrintOperationPrint *print) + EvPrintOperationPrint *print) { - gtk_print_operation_cancel (print->op); + /* Finish the current page, so that draw-page + * is emitted again and it will cancel the + * print operation. If the job is still + * running, wait until it finishes. + */ + if (ev_job_scheduler_get_running_thread_job () == print->job_print) + g_idle_add ((GSourceFunc)draw_page_finish_idle, print); + else + gtk_print_operation_draw_page_finish (print->op); } static void @@ -1776,10 +1798,14 @@ ev_print_operation_print_draw_page (EvPrintOperationPrint *print, g_signal_connect (G_OBJECT (print->job_print), "finished", G_CALLBACK (print_job_finished), (gpointer)print); - g_signal_connect (G_OBJECT (print->job_print), "cancelled", - G_CALLBACK (print_job_cancelled), - (gpointer)print); - } + g_signal_connect (G_OBJECT (print->job_print), "cancelled", + G_CALLBACK (print_job_cancelled), + (gpointer)print); + } else if (g_cancellable_is_cancelled (print->job_print->cancellable)) { + gtk_print_operation_cancel (print->op); + ev_job_print_set_cairo (EV_JOB_PRINT (print->job_print), NULL); + return; + } ev_job_print_set_page (EV_JOB_PRINT (print->job_print), page); -- cgit v1.2.1