gtk2/gtk/gtkprintoperation-unix.c
2006-04-24 20:44:22 +00:00

451 lines
12 KiB
C

/* GTK - The GIMP Toolkit
* gtkprintoperation-unix.c: Print Operation Details for Unix and Unix like platforms
* Copyright (C) 2006, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include "gtkprintoperation-private.h"
#include "gtkmarshal.h"
#include "gtkmessagedialog.h"
#include "gtkprintunixdialog.h"
#include "gtkpagesetupunixdialog.h"
#include "gtkprintbackend.h"
#include "gtkprinter.h"
#include "gtkprintjob.h"
#include "gtkalias.h"
typedef struct {
GtkPrintJob *job; /* the job we are sending to the printer */
gulong job_status_changed_tag;
GtkWindow *parent; /* just in case we need to throw error dialogs */
} GtkPrintOperationUnix;
static void
unix_start_page (GtkPrintOperation *op,
GtkPrintContext *print_context,
GtkPageSetup *page_setup)
{
}
static void
unix_end_page (GtkPrintOperation *op,
GtkPrintContext *print_context)
{
cairo_t *cr;
cr = gtk_print_context_get_cairo (print_context);
cairo_show_page (cr);
}
static void
op_unix_free (GtkPrintOperationUnix *op_unix)
{
if (op_unix->job)
{
g_signal_handler_disconnect (op_unix->job,
op_unix->job_status_changed_tag);
g_object_unref (op_unix->job);
}
g_free (op_unix);
}
static void
unix_finish_send (GtkPrintJob *job,
void *user_data,
GError *error)
{
GtkPrintOperationUnix *op_unix;
GtkWindow *parent;
op_unix = (GtkPrintOperationUnix *) user_data;
parent = op_unix->parent;
if (error != NULL)
{
GtkWidget *edialog;
edialog = gtk_message_dialog_new (parent,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error printing: %s",
error->message);
gtk_dialog_run (GTK_DIALOG (edialog));
gtk_widget_destroy (edialog);
}
}
static void
unix_end_run (GtkPrintOperation *op)
{
GtkPrintOperationUnix *op_unix = op->priv->platform_data;
/* TODO: Check for error */
gtk_print_job_send (op_unix->job,
unix_finish_send,
op_unix, NULL,
NULL);
}
static void
job_status_changed_cb (GtkPrintJob *job,
GtkPrintOperation *op)
{
_gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
}
static GtkWidget *
get_print_dialog (GtkPrintOperation *op,
GtkWindow *parent)
{
GtkWidget *pd;
GtkPageSetup *page_setup;
pd = gtk_print_unix_dialog_new (NULL, parent);
if (op->priv->print_settings)
gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
op->priv->print_settings);
if (op->priv->default_page_setup)
page_setup = gtk_page_setup_copy (op->priv->default_page_setup);
else
page_setup = gtk_page_setup_new ();
gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd),
page_setup);
g_object_unref (page_setup);
return pd;
}
typedef struct {
GtkPrintOperation *op;
gboolean do_print;
GError **error;
GtkPrintOperationResult result;
GtkPrintOperationPrintFunc print_cb;
GDestroyNotify destroy;
} PrintResponseData;
static void
print_response_data_free (gpointer data)
{
PrintResponseData *rdata = data;
g_object_unref (rdata->op);
g_free (rdata);
}
static void
handle_print_response (GtkWidget *dialog,
gint response,
gpointer data)
{
GtkPrintUnixDialog *pd = GTK_PRINT_UNIX_DIALOG (dialog);
PrintResponseData *rdata = data;
GtkPrintOperation *op = rdata->op;
if (response == GTK_RESPONSE_OK)
{
GtkPrintOperationUnix *op_unix;
GtkPrinter *printer;
GtkPrintSettings *settings;
GtkPageSetup *page_setup;
rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd));
if (printer == NULL)
goto out;
rdata->do_print = TRUE;
settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd));
page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (pd));
gtk_print_operation_set_print_settings (op, settings);
op_unix = g_new0 (GtkPrintOperationUnix, 1);
op_unix->job = gtk_print_job_new (op->priv->job_name,
printer,
settings,
page_setup);
g_object_unref (settings);
rdata->op->priv->surface = gtk_print_job_get_surface (op_unix->job, rdata->error);
if (op->priv->surface == NULL)
{
rdata->do_print = FALSE;
op_unix_free (op_unix);
rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR;
goto out;
}
_gtk_print_operation_set_status (op, gtk_print_job_get_status (op_unix->job), NULL);
op_unix->job_status_changed_tag =
g_signal_connect (op_unix->job, "status_changed",
G_CALLBACK (job_status_changed_cb), op);
op_unix->parent = gtk_window_get_transient_for (GTK_WINDOW (pd));
op->priv->dpi_x = 72;
op->priv->dpi_y = 72;
op->priv->platform_data = op_unix;
op->priv->free_platform_data = (GDestroyNotify) op_unix_free;
op->priv->print_pages = op_unix->job->print_pages;
op->priv->page_ranges = op_unix->job->page_ranges;
op->priv->num_page_ranges = op_unix->job->num_page_ranges;
op->priv->manual_num_copies = op_unix->job->num_copies;
op->priv->manual_collation = op_unix->job->collate;
op->priv->manual_reverse = op_unix->job->reverse;
op->priv->manual_page_set = op_unix->job->page_set;
op->priv->manual_scale = op_unix->job->scale;
op->priv->manual_orientation = op_unix->job->rotate_to_orientation;
}
op->priv->start_page = unix_start_page;
op->priv->end_page = unix_end_page;
op->priv->end_run = unix_end_run;
out:
gtk_widget_destroy (GTK_WIDGET (pd));
if (rdata->print_cb)
{
if (rdata->do_print)
rdata->print_cb (op);
else
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
}
if (rdata->destroy)
rdata->destroy (rdata);
}
void
_gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation *op,
GtkWindow *parent,
GtkPrintOperationPrintFunc print_cb)
{
GtkWidget *pd;
PrintResponseData *rdata;
rdata = g_new (PrintResponseData, 1);
rdata->op = g_object_ref (op);
rdata->do_print = FALSE;
rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL;
rdata->error = NULL;
rdata->print_cb = print_cb;
rdata->destroy = print_response_data_free;
pd = get_print_dialog (op, parent);
gtk_window_set_modal (GTK_WINDOW (pd), TRUE);
g_signal_connect (pd, "response",
G_CALLBACK (handle_print_response), rdata);
gtk_window_present (GTK_WINDOW (pd));
}
GtkPrintOperationResult
_gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
GtkWindow *parent,
gboolean *do_print,
GError **error)
{
GtkWidget *pd;
PrintResponseData rdata;
gint response;
rdata.op = op;
rdata.do_print = FALSE;
rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL;
rdata.error = error;
rdata.print_cb = NULL;
rdata.destroy = NULL;
pd = get_print_dialog (op, parent);
response = gtk_dialog_run (GTK_DIALOG (pd));
handle_print_response (pd, response, &rdata);
*do_print = rdata.do_print;
return rdata.result;
}
typedef struct {
GtkPageSetup *page_setup;
GFunc done_cb;
gpointer data;
GDestroyNotify destroy;
} PageSetupResponseData;
static void
page_setup_data_free (gpointer data)
{
PageSetupResponseData *rdata = data;
g_object_unref (rdata->page_setup);
g_free (rdata);
}
static void
handle_page_setup_response (GtkWidget *dialog,
gint response,
gpointer data)
{
GtkPageSetupUnixDialog *psd;
PageSetupResponseData *rdata = data;
psd = GTK_PAGE_SETUP_UNIX_DIALOG (dialog);
if (response == GTK_RESPONSE_OK)
rdata->page_setup = gtk_page_setup_unix_dialog_get_page_setup (psd);
gtk_widget_destroy (dialog);
if (rdata->done_cb)
rdata->done_cb (rdata->page_setup, rdata->data);
if (rdata->destroy)
rdata->destroy (rdata);
}
static GtkWidget *
get_page_setup_dialog (GtkWindow *parent,
GtkPageSetup *page_setup,
GtkPrintSettings *settings)
{
GtkWidget *dialog;
dialog = gtk_page_setup_unix_dialog_new (NULL, parent);
if (page_setup)
gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
page_setup);
gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
settings);
return dialog;
}
/**
* gtk_print_run_page_setup_dialog:
* @parent: transient parent, or %NULL
* @page_setup: an existing #GtkPageSetup, or %NULL
* @settings: a #GtkPrintSettings
*
* Runs a page setup dialog, letting the user modify the values from
* @page_setup. If the user cancels the dialog, the returned #GtkPageSetup
* is identical to the passed in @page_setup, otherwise it contains the
* modifications done in the dialog.
*
* Note that this function may use a recursive mainloop to show the page
* setup dialog. See gtk_print_run_page_setup_dialog_async() if this is
* a problem.
*
* Return value: a new #GtkPageSetup
*
* Since: 2.10
*/
GtkPageSetup *
gtk_print_run_page_setup_dialog (GtkWindow *parent,
GtkPageSetup *page_setup,
GtkPrintSettings *settings)
{
GtkWidget *dialog;
gint response;
PageSetupResponseData rdata;
rdata.page_setup = NULL;
rdata.done_cb = NULL;
rdata.data = NULL;
rdata.destroy = NULL;
dialog = get_page_setup_dialog (parent, page_setup, settings);
response = gtk_dialog_run (GTK_DIALOG (dialog));
handle_page_setup_response (dialog, response, &rdata);
if (rdata.page_setup)
return rdata.page_setup;
else if (page_setup)
return gtk_page_setup_copy (page_setup);
else
return gtk_page_setup_new ();
}
/**
* gtk_print_run_page_setup_dialog_async:
* @parent: transient parent, or %NULL
* @page_setup: an existing #GtkPageSetup, or %NULL
* @settings: a #GtkPrintSettings
* @done_cb: a function to call when the user saves the modified page setup
* @data: user data to pass to @done_cb
*
* Runs a page setup dialog, letting the user modify the values from @page_setup.
*
* In contrast to gtk_print_run_page_setup_dialog(), this function returns after
* showing the page setup dialog on platforms that support this, and calls @done_cb
* from a signal handler for the ::response signal of the dialog.
*
* Since: 2.10
*/
void
gtk_print_run_page_setup_dialog_async (GtkWindow *parent,
GtkPageSetup *page_setup,
GtkPrintSettings *settings,
GtkPageSetupDoneFunc done_cb,
gpointer data)
{
GtkWidget *dialog;
PageSetupResponseData *rdata;
dialog = get_page_setup_dialog (parent, page_setup, settings);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
rdata = g_new (PageSetupResponseData, 1);
rdata->page_setup = NULL;
rdata->done_cb = done_cb;
rdata->data = data;
rdata->destroy = page_setup_data_free;
g_signal_connect (dialog, "response",
G_CALLBACK (handle_page_setup_response), rdata);
gtk_window_present (GTK_WINDOW (dialog));
}
#define __GTK_PRINT_OPERATION_UNIX_C__
#include "gtkaliasdef.c"