Pileus Git - ~andy/gtk/blob - gtk/gtkprintoperation-unix.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkprintoperation-unix.c: Print Operation Details for Unix and Unix like platforms
   3  * Copyright (C) 2006, Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22 #ifdef HAVE_UNISTD_H
  23 #include <unistd.h>
  24 #endif
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <string.h>
  28
  29 #include "gtkprintoperation-private.h"
  30 #include "gtkmarshal.h"
  31 #include "gtkmessagedialog.h"
  32
  33 #include "gtkprintunixdialog.h"
  34 #include "gtkpagesetupunixdialog.h"
  35 #include "gtkprintbackend.h"
  36 #include "gtkprinter.h"
  37 #include "gtkprintjob.h"
  38 #include "gtkalias.h"
  39
  40 typedef struct {
  41   GtkPrintJob *job;         /* the job we are sending to the printer */
  42   gulong job_status_changed_tag;
  43   GtkWindow *parent;        /* parent window just in case we need to throw error dialogs */
  44 } GtkPrintOperationUnix;
  45
  46 static void
  47 unix_start_page (GtkPrintOperation *op,
  48                  GtkPrintContext *print_context,
  49                  GtkPageSetup *page_setup)
  50 {
  51
  52 }
  53
  54 static void
  55 unix_end_page (GtkPrintOperation *op,
  56                GtkPrintContext *print_context)
  57 {
  58   cairo_t *cr;
  59
  60   cr = gtk_print_context_get_cairo (print_context);
  61   cairo_show_page (cr);
  62 }
  63
  64 static void
  65 op_unix_free (GtkPrintOperationUnix *op_unix)
  66 {
  67   if (op_unix->job)
  68     {
  69       g_signal_handler_disconnect (op_unix->job,
  70                                    op_unix->job_status_changed_tag);
  71       g_object_unref (op_unix->job);
  72     }
  73
  74   g_free (op_unix);
  75 }
  76
  77 static void
  78 unix_finish_send  (GtkPrintJob *job,
  79                    void *user_data,
  80                    GError *error)
  81 {
  82   GtkPrintOperationUnix *op_unix;
  83   GtkWindow *parent;
  84
  85   op_unix = (GtkPrintOperationUnix *) user_data;
  86
  87   parent = op_unix->parent;
  88
  89   if (error != NULL)
  90     {
  91       GtkWidget *edialog;
  92       edialog = gtk_message_dialog_new (parent,
  93                                         GTK_DIALOG_DESTROY_WITH_PARENT,
  94                                         GTK_MESSAGE_ERROR,
  95                                         GTK_BUTTONS_CLOSE,
  96                                         "Error printing: %s",
  97                                         error->message);
  98
  99       gtk_dialog_run (GTK_DIALOG (edialog));
 100       gtk_widget_destroy (edialog);
 101     }
 102 }
 103
 104 static void
 105 unix_end_run (GtkPrintOperation *op)
 106 {
 107   GtkPrintOperationUnix *op_unix = op->priv->platform_data;
 108
 109   /* TODO: Check for error */
 110   gtk_print_job_send (op_unix->job,
 111                       unix_finish_send,
 112                       op_unix, NULL,
 113                       NULL);
 114 }
 115
 116 static void
 117 job_status_changed_cb (GtkPrintJob *job, GtkPrintOperation *op)
 118 {
 119   _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
 120 }
 121
 122 GtkPrintOperationResult
 123 _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
 124                                                   GtkWindow *parent,
 125                                                   gboolean *do_print,
 126                                                   GError **error)
 127 {
 128   GtkWidget *pd;
 129   GtkPrintOperationResult result;
 130   GtkPageSetup *page_setup;
 131
 132   result = GTK_PRINT_OPERATION_RESULT_CANCEL;
 133
 134   if (op->priv->default_page_setup)
 135     page_setup = gtk_page_setup_copy (op->priv->default_page_setup);
 136   else
 137     page_setup = gtk_page_setup_new ();
 138
 139   pd = gtk_print_unix_dialog_new (NULL, parent);
 140
 141   if (op->priv->print_settings)
 142     gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
 143                                         op->priv->print_settings);
 144
 145   gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd), page_setup);
 146
 147   *do_print = FALSE;
 148   if (gtk_dialog_run (GTK_DIALOG (pd)) == GTK_RESPONSE_OK)
 149     {
 150       GtkPrintOperationUnix *op_unix;
 151       GtkPrinter *printer;
 152       GtkPrintSettings *settings;
 153
 154       result = GTK_PRINT_OPERATION_RESULT_APPLY;
 155
 156       printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd));
 157       if (printer == NULL)
 158         goto out;
 159
 160       *do_print = TRUE;
 161
 162       settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd));
 163       gtk_print_operation_set_print_settings (op, settings);
 164
 165       op_unix = g_new0 (GtkPrintOperationUnix, 1);
 166       op_unix->job = gtk_print_job_new (op->priv->job_name,
 167                                         printer,
 168                                         settings,
 169                                         page_setup);
 170       g_object_unref (settings);
 171
 172       op->priv->surface = gtk_print_job_get_surface (op_unix->job, error);
 173       if (op->priv->surface == NULL)
 174         {
 175           *do_print = FALSE;
 176           op_unix_free (op_unix);
 177           result = GTK_PRINT_OPERATION_RESULT_ERROR;
 178           goto out;
 179         }
 180
 181       _gtk_print_operation_set_status (op, gtk_print_job_get_status (op_unix->job), NULL);
 182       op_unix->job_status_changed_tag =
 183         g_signal_connect (op_unix->job, "status_changed",
 184                           G_CALLBACK (job_status_changed_cb), op);
 185
 186       op_unix->parent = parent;
 187
 188       op->priv->dpi_x = 72;
 189       op->priv->dpi_y = 72;
 190
 191       op->priv->platform_data = op_unix;
 192       op->priv->free_platform_data = (GDestroyNotify) op_unix_free;
 193
 194       op->priv->print_pages = op_unix->job->print_pages;
 195       op->priv->page_ranges = op_unix->job->page_ranges;
 196       op->priv->num_page_ranges = op_unix->job->num_page_ranges;
 197
 198       op->priv->manual_num_copies = op_unix->job->num_copies;
 199       op->priv->manual_collation = op_unix->job->collate;
 200       op->priv->manual_reverse = op_unix->job->reverse;
 201       op->priv->manual_page_set = op_unix->job->page_set;
 202       op->priv->manual_scale = op_unix->job->scale;
 203       op->priv->manual_orientation = op_unix->job->rotate_to_orientation;
 204     }
 205
 206   op->priv->start_page = unix_start_page;
 207   op->priv->end_page = unix_end_page;
 208   op->priv->end_run = unix_end_run;
 209
 210  out:
 211   g_object_unref (page_setup);
 212
 213   gtk_widget_destroy (pd);
 214
 215   return result;
 216 }
 217
 218 /**
 219  * gtk_print_run_page_setup_dialog:
 220  * @parent: transient parent, or %NULL
 221  * @page_setup: an existing #GtkPageSetup, or %NULL
 222  * @settings: a #GtkPrintSettings
 223  *
 224  * Runs a page setup dialog, letting the user modify
 225  * the values from @page_setup. If the user cancels
 226  * the dialog, the returned #GtkPageSetup is identical
 227  * to the passed in @page_setup, otherwise it contains
 228  * the modifications done in the dialog.
 229  *
 230  * Return value: a new #GtkPageSetup
 231  *
 232  * Since: 2.10
 233  */
 234 GtkPageSetup *
 235 gtk_print_run_page_setup_dialog (GtkWindow        *parent,
 236                                  GtkPageSetup     *page_setup,
 237                                  GtkPrintSettings *settings)
 238 {
 239   GtkWidget *dialog;
 240   GtkPageSetup *new_page_setup;
 241
 242   dialog = gtk_page_setup_unix_dialog_new (NULL, parent);
 243   if (page_setup)
 244     gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 245                                                page_setup);
 246   gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 247                                                  settings);
 248   gtk_dialog_run (GTK_DIALOG (dialog));
 249
 250   new_page_setup = gtk_page_setup_unix_dialog_get_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog));
 251
 252   gtk_widget_destroy (dialog);
 253
 254   return new_page_setup;
 255 }
 256
 257
 258 #define __GTK_PRINT_OPERATION_UNIX_C__
 259 #include "gtkaliasdef.c"