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Correctly safe print setting state

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Since we are running the operation asynchronsly, we need to store the print
settings in a callback for the done signal.

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
This commit is contained in:
Sebastian Ramacher 2014-01-30 22:42:28 +01:00
parent ace31581b4
commit eea53de243
1 changed files with 42 additions and 21 deletions
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63
print.c
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@ -7,14 +7,19 @@
#include <girara/utils.h>
#include <girara/statusbar.h>
#include <girara/session.h>
static void cb_print_draw_page(GtkPrintOperation* print_operation,
GtkPrintContext* context, gint page_number, zathura_t* zathura);
GtkPrintContext* context, gint page_number,
zathura_t* zathura);
static void cb_print_end(GtkPrintOperation* print_operation, GtkPrintContext*
context, zathura_t* zathura);
static void cb_print_request_page_setup(GtkPrintOperation* print_operation,
GtkPrintContext* context, gint page_number, GtkPageSetup* setup, zathura_t*
zathura);
GtkPrintContext* context,
gint page_number, GtkPageSetup* setup,
zathura_t* zathura);
static void cb_print_done(GtkPrintOperation* operation,
GtkPrintOperationResult result, zathura_t* zathura);
void
print(zathura_t* zathura)
@ -25,6 +30,12 @@ print(zathura_t* zathura)
GtkPrintOperation* print_operation = gtk_print_operation_new();
/* print operation settings */
gtk_print_operation_set_job_name(print_operation, zathura_document_get_path(zathura->document));
gtk_print_operation_set_allow_async(print_operation, TRUE);
gtk_print_operation_set_n_pages(print_operation, zathura_document_get_number_of_pages(zathura->document));
gtk_print_operation_set_current_page(print_operation, zathura_document_get_current_page_number(zathura->document));
gtk_print_operation_set_use_full_page(print_operation, TRUE);
if (zathura->print.settings != NULL) {
gtk_print_operation_set_print_settings(print_operation, zathura->print.settings);
}
@ -32,35 +43,20 @@ print(zathura_t* zathura)
if (zathura->print.page_setup != NULL) {
gtk_print_operation_set_default_page_setup(print_operation, zathura->print.page_setup);
}
gtk_print_operation_set_allow_async(print_operation, TRUE);
gtk_print_operation_set_n_pages(print_operation, zathura_document_get_number_of_pages(zathura->document));
gtk_print_operation_set_current_page(print_operation, zathura_document_get_current_page_number(zathura->document));
gtk_print_operation_set_use_full_page(print_operation, TRUE);
gtk_print_operation_set_embed_page_setup(print_operation, TRUE);
/* print operation signals */
g_signal_connect(print_operation, "draw-page", G_CALLBACK(cb_print_draw_page), zathura);
g_signal_connect(print_operation, "end-print", G_CALLBACK(cb_print_end), zathura);
g_signal_connect(print_operation, "request-page-setup", G_CALLBACK(cb_print_request_page_setup), zathura);
g_signal_connect(print_operation, "done", G_CALLBACK(cb_print_done), zathura);
/* print */
GtkPrintOperationResult result = gtk_print_operation_run(print_operation,
GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, NULL, NULL);
if (result == GTK_PRINT_OPERATION_RESULT_APPLY) {
if (zathura->print.settings != NULL) {
g_object_unref(zathura->print.settings);
}
if (zathura->print.page_setup != NULL) {
g_object_unref(zathura->print.page_setup);
}
/* save previous settings */
zathura->print.settings = g_object_ref(gtk_print_operation_get_print_settings(print_operation));
zathura->print.page_setup = g_object_ref(gtk_print_operation_get_default_page_setup(print_operation));
} else if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
girara_error("Error pccurred while printing progress");
if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
girara_error("Error occurred while printing progress");
}
g_object_unref(print_operation);
@ -185,3 +181,28 @@ cb_print_request_page_setup(GtkPrintOperation* UNUSED(print_operation),
gtk_page_setup_set_orientation(setup, GTK_PAGE_ORIENTATION_PORTRAIT);
}
}
static void
cb_print_done(GtkPrintOperation* operation, GtkPrintOperationResult result,
zathura_t* zathura)
{
if (result == GTK_PRINT_OPERATION_RESULT_APPLY) {
if (zathura->print.settings != NULL) {
g_object_unref(zathura->print.settings);
}
if (zathura->print.page_setup != NULL) {
g_object_unref(zathura->print.page_setup);
}
/* save previous settings */
zathura->print.settings = g_object_ref(gtk_print_operation_get_print_settings(operation));
zathura->print.page_setup = g_object_ref(gtk_print_operation_get_default_page_setup(operation));
} else if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
GError* error = NULL;
gtk_print_operation_get_error(operation, &error);
girara_notify(zathura->ui.session, GIRARA_ERROR, "Printing failed: %s",
error->message);
g_error_free(error);
}
}