From fed5ac607fbe74668f1b74c2022ef56b5ee25d61 Mon Sep 17 00:00:00 2001 From: Martin Kretzschmar Date: Sat, 08 Jan 2005 19:02:48 +0000 Subject: Added ev-print-job.c. * POTFILES.in: Added ev-print-job.c. * shell/ev-print-job.c (ev_print_job_finalize) (ev_print_job_set_property, ev_print_job_get_property) (ev_print_job_set_gnome_print_job, ev_print_job_set_document) (ev_print_job_use_print_dialog_settings, idle_print_handler) (print_closure_finalize, ev_print_job_print): implement printing (for backends with EvPsExporter) * shell/ev-window.c (ev_window_print): unref print job after printing. --- (limited to 'shell/ev-print-job.c') diff --git a/shell/ev-print-job.c b/shell/ev-print-job.c index ea261c3..0c66b81 100644 --- a/shell/ev-print-job.c +++ b/shell/ev-print-job.c @@ -20,9 +20,19 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ +#include + +#include + #include +#include #include +/* for gnome_print_job_set_file */ +#define GNOME_PRINT_UNSTABLE_API +#include + +#include "ev-ps-exporter.h" #include "ev-print-job.h" #define EV_PRINT_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_PRINT_JOB, EvPrintJobClass)) @@ -31,21 +41,135 @@ struct _EvPrintJob { GObject parent_instance; + + EvDocument *document; + GnomePrintJob *gnome_print_job; + double width; /* FIXME unused */ + double height; /* FIXME unused */ + gboolean duplex; /* FIXME unused */ + int copies; /* FIXME unused */ + int collate; /* FIXME unsued */ + + int fd; + char *temp_file; + guint idle_id; + gboolean printing; + int next_page; }; struct _EvPrintJobClass { GObjectClass parent_class; }; +enum { + PROP_0, + PROP_GNOME_PRINT_JOB, + PROP_DOCUMENT, + PROP_PRINT_DIALOG +}; G_DEFINE_TYPE (EvPrintJob, ev_print_job, G_TYPE_OBJECT); static void +ev_print_job_finalize (GObject *object) +{ + EvPrintJob *job = EV_PRINT_JOB (object); + + if (job && job->document) { + g_object_unref (job->document); + job->document = NULL; + } + + if (job && job->gnome_print_job) { + g_object_unref (job->gnome_print_job); + job->gnome_print_job = NULL; + } + + G_OBJECT_CLASS (ev_print_job_parent_class)->finalize (object); +} + +static void +ev_print_job_set_property (GObject *object, guint prop_id, + const GValue *value, GParamSpec *pspec) +{ + EvPrintJob *job; + + job = EV_PRINT_JOB (object); + + switch (prop_id) { + case PROP_GNOME_PRINT_JOB: + ev_print_job_set_gnome_print_job ( + job, GNOME_PRINT_JOB (g_value_get_object (value))); + break; + case PROP_DOCUMENT: + ev_print_job_set_document (job, EV_DOCUMENT (g_value_get_object (value))); + break; + case PROP_PRINT_DIALOG: + ev_print_job_use_print_dialog_settings ( + job, GNOME_PRINT_DIALOG (g_value_get_object (value))); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + +} + +static void +ev_print_job_get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec) +{ + EvPrintJob *job; + + job = EV_PRINT_JOB (object); + + switch (prop_id) { + case PROP_GNOME_PRINT_JOB: + g_value_set_object (value, job->gnome_print_job); + break; + case PROP_DOCUMENT: + g_value_set_object (value, job->document); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + + +static void ev_print_job_class_init (EvPrintJobClass *ev_print_job_class) { GObjectClass *g_object_class; g_object_class = G_OBJECT_CLASS (ev_print_job_class); + + g_object_class->finalize = ev_print_job_finalize; + g_object_class->set_property = ev_print_job_set_property; + g_object_class->get_property = ev_print_job_get_property; + + g_object_class_install_property (g_object_class, + PROP_GNOME_PRINT_JOB, + g_param_spec_object ("gnome_print_job", + "GnomePrintJob", + "GnomePrintJob", + GNOME_TYPE_PRINT_JOB, + G_PARAM_READWRITE)); + g_object_class_install_property (g_object_class, + PROP_DOCUMENT, + g_param_spec_object ("document", + "Document object", + "Document from which to print", + G_TYPE_OBJECT, /* EV_TYPE_DOCUMENT, */ + G_PARAM_READWRITE)); + g_object_class_install_property (g_object_class, + PROP_PRINT_DIALOG, + g_param_spec_object ("print_dialog", + "GnomePrintDialog", + "GnomePrintDialog with user settings", + GNOME_TYPE_PRINT_DIALOG, + G_PARAM_WRITABLE)); + } static void @@ -54,9 +178,127 @@ ev_print_job_init (EvPrintJob *ev_print_job) } void +ev_print_job_set_gnome_print_job (EvPrintJob *job, GnomePrintJob *gpj) +{ + g_return_if_fail (EV_IS_PRINT_JOB (job)); + + if (job->gnome_print_job == gpj) + return; + + if (job->gnome_print_job) + g_object_unref (job->gnome_print_job); + + if (gpj) + g_object_ref (gpj); + + job->gnome_print_job = gpj; +} + +void +ev_print_job_set_document (EvPrintJob *job, EvDocument *document) +{ + g_return_if_fail (EV_IS_PRINT_JOB (job)); + + if (job->document == document) + return; + + if (job->document) + g_object_ref (job->document); + + if (document) + g_object_ref (document); + + job->document = document; +} + +void +ev_print_job_use_print_dialog_settings (EvPrintJob *job, GnomePrintDialog *dialog) +{ + GnomePrintConfig *print_config; + + g_return_if_fail (EV_IS_PRINT_JOB (job)); + g_return_if_fail (GNOME_IS_PRINT_DIALOG (dialog)); + + print_config = gnome_print_dialog_get_config (dialog); + gnome_print_dialog_get_copies (dialog, &job->copies, &job->collate); + gnome_print_config_get_page_size (print_config, + &job->width, &job->height); + gnome_print_config_get_boolean (print_config, + GNOME_PRINT_KEY_DUPLEX, &job->duplex); + gnome_print_config_unref (print_config); +} + +static gboolean +idle_print_handler (EvPrintJob *job) +{ + if (!job->printing) { + ev_ps_exporter_begin (EV_PS_EXPORTER (job->document), + job->temp_file); + job->next_page = 1; /* FIXME use 0-based page numbering? */ + job->printing = TRUE; + return TRUE; + } + + if (job->next_page <= ev_document_get_n_pages (job->document)) { +#if 0 + g_printerr ("Printing page %d\n", job->next_page); +#endif + ev_ps_exporter_do_page (EV_PS_EXPORTER (job->document), + job->next_page); + job->next_page++; + return TRUE; + } else { /* no more pages */ + ev_ps_exporter_end (EV_PS_EXPORTER (job->document)); + + close (job->fd); + job->fd = 0; + + gnome_print_job_print (job->gnome_print_job); + + unlink (job->temp_file); + g_free (job->temp_file); + + g_object_unref (job->gnome_print_job); + job->gnome_print_job = NULL; + + job->printing = FALSE; + job->idle_id = 0; + return FALSE; + } +} + +static void +print_closure_finalize (EvPrintJob *job, GClosure *closure) +{ + g_object_unref (job); +} + +void ev_print_job_print (EvPrintJob *job, GtkWindow *parent) { + GClosure *closure; + GSource *idle_source; + g_return_if_fail (EV_IS_PRINT_JOB (job)); - /* FIXME */ + g_return_if_fail (job->document != NULL); + g_return_if_fail (EV_IS_PS_EXPORTER (job->document)); +#if 0 g_printerr ("Printing...\n"); +#endif + + job->fd = g_file_open_tmp ("evince_print.ps.XXXXXX", &job->temp_file, NULL); + if (job->fd <= -1) + return; /* FIXME use GError */ + + gnome_print_job_set_file (job->gnome_print_job, job->temp_file); + + g_object_ref (job); + closure = g_cclosure_new (G_CALLBACK (idle_print_handler), job, NULL); + g_closure_add_finalize_notifier ( + closure, job, (GClosureNotify)print_closure_finalize); + + idle_source = g_idle_source_new (); + g_source_set_closure (idle_source, closure); + job->idle_id = g_source_attach (idle_source, NULL); + g_source_unref (idle_source); } -- cgit v0.9.1