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;        /* 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
  84   op_unix = (GtkPrintOperationUnix *) user_data;
  85
  86   if (error != NULL)
  87     {
  88       GtkWidget *edialog;
  89       edialog = gtk_message_dialog_new (op_unix->parent,
  90                                         GTK_DIALOG_DESTROY_WITH_PARENT,
  91                                         GTK_MESSAGE_ERROR,
  92                                         GTK_BUTTONS_CLOSE,
  93                                         "Error printing: %s",
  94                                         error->message);
  95
  96       gtk_dialog_run (GTK_DIALOG (edialog));
  97       gtk_widget_destroy (edialog);
  98     }
  99 }
 100
 101 static void
 102 unix_end_run (GtkPrintOperation *op)
 103 {
 104   GtkPrintOperationUnix *op_unix = op->priv->platform_data;
 105
 106   /* TODO: Check for error */
 107   gtk_print_job_send (op_unix->job,
 108                       unix_finish_send,
 109                       op_unix, NULL,
 110                       NULL);
 111 }
 112
 113 static void
 114 job_status_changed_cb (GtkPrintJob       *job,
 115                        GtkPrintOperation *op)
 116 {
 117   _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
 118 }
 119
 120
 121 static GtkWidget *
 122 get_print_dialog (GtkPrintOperation *op,
 123                   GtkWindow         *parent)
 124 {
 125   GtkPrintOperationPrivate *priv = op->priv;
 126   GtkWidget *pd;
 127   GtkPageSetup *page_setup;
 128
 129   pd = gtk_print_unix_dialog_new (NULL, parent);
 130
 131   if (priv->print_settings)
 132     gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
 133                                         priv->print_settings);
 134   if (priv->default_page_setup)
 135     page_setup = gtk_page_setup_copy (priv->default_page_setup);
 136   else
 137     page_setup = gtk_page_setup_new ();
 138
 139   gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd),
 140                                         page_setup);
 141   g_object_unref (page_setup);
 142
 143   return pd;
 144 }
 145
 146 typedef struct {
 147   GtkPrintOperation           *op;
 148   gboolean                     do_print;
 149   GError                     **error;
 150   GtkPrintOperationResult      result;
 151   GtkPrintOperationPrintFunc   print_cb;
 152   GDestroyNotify               destroy;
 153 } PrintResponseData;
 154
 155 static void
 156 print_response_data_free (gpointer data)
 157 {
 158   PrintResponseData *rdata = data;
 159
 160   g_object_unref (rdata->op);
 161   g_free (rdata);
 162 }
 163
 164 static void
 165 handle_print_response (GtkWidget *dialog,
 166                        gint       response,
 167                        gpointer   data)
 168 {
 169   GtkPrintUnixDialog *pd = GTK_PRINT_UNIX_DIALOG (dialog);
 170   PrintResponseData *rdata = data;
 171   GtkPrintOperation *op = rdata->op;
 172   GtkPrintOperationPrivate *priv = op->priv;
 173
 174   if (response == GTK_RESPONSE_OK)
 175     {
 176       GtkPrintOperationUnix *op_unix;
 177       GtkPrinter *printer;
 178       GtkPrintSettings *settings;
 179       GtkPageSetup *page_setup;
 180
 181       rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
 182
 183       printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd));
 184       if (printer == NULL)
 185         goto out;
 186
 187       rdata->do_print = TRUE;
 188
 189       settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd));
 190       page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (pd));
 191
 192       gtk_print_operation_set_print_settings (op, settings);
 193
 194       op_unix = g_new0 (GtkPrintOperationUnix, 1);
 195       op_unix->job = gtk_print_job_new (priv->job_name,
 196                                         printer,
 197                                         settings,
 198                                         page_setup);
 199       g_object_unref (settings);
 200
 201       rdata->op->priv->surface = gtk_print_job_get_surface (op_unix->job, rdata->error);
 202       if (op->priv->surface == NULL)
 203         {
 204           rdata->do_print = FALSE;
 205           op_unix_free (op_unix);
 206           rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR;
 207           goto out;
 208         }
 209
 210       _gtk_print_operation_set_status (op, gtk_print_job_get_status (op_unix->job), NULL);
 211       op_unix->job_status_changed_tag =
 212         g_signal_connect (op_unix->job, "status_changed",
 213                           G_CALLBACK (job_status_changed_cb), op);
 214
 215       op_unix->parent = gtk_window_get_transient_for (GTK_WINDOW (pd));
 216
 217       priv->dpi_x = 72;
 218       priv->dpi_y = 72;
 219
 220       priv->platform_data = op_unix;
 221       priv->free_platform_data = (GDestroyNotify) op_unix_free;
 222
 223       priv->print_pages = op_unix->job->print_pages;
 224       priv->page_ranges = op_unix->job->page_ranges;
 225       priv->num_page_ranges = op_unix->job->num_page_ranges;
 226
 227       priv->manual_num_copies = op_unix->job->num_copies;
 228       priv->manual_collation = op_unix->job->collate;
 229       priv->manual_reverse = op_unix->job->reverse;
 230       priv->manual_page_set = op_unix->job->page_set;
 231       priv->manual_scale = op_unix->job->scale;
 232       priv->manual_orientation = op_unix->job->rotate_to_orientation;
 233     }
 234
 235   priv->start_page = unix_start_page;
 236   priv->end_page = unix_end_page;
 237   priv->end_run = unix_end_run;
 238
 239  out:
 240   gtk_widget_destroy (GTK_WIDGET (pd));
 241
 242   if (rdata->print_cb)
 243     {
 244       if (rdata->do_print)
 245         rdata->print_cb (op);
 246       else
 247        _gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
 248     }
 249
 250   if (rdata->destroy)
 251     rdata->destroy (rdata);
 252 }
 253
 254 void
 255 _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation          *op,
 256                                                         GtkWindow                  *parent,
 257                                                         GtkPrintOperationPrintFunc  print_cb)
 258 {
 259   GtkWidget *pd;
 260   PrintResponseData *rdata;
 261
 262   rdata = g_new (PrintResponseData, 1);
 263   rdata->op = g_object_ref (op);
 264   rdata->do_print = FALSE;
 265   rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL;
 266   rdata->error = NULL;
 267   rdata->print_cb = print_cb;
 268   rdata->destroy = print_response_data_free;
 269
 270   pd = get_print_dialog (op, parent);
 271   gtk_window_set_modal (GTK_WINDOW (pd), TRUE);
 272
 273   g_signal_connect (pd, "response",
 274                     G_CALLBACK (handle_print_response), rdata);
 275
 276   gtk_window_present (GTK_WINDOW (pd));
 277 }
 278
 279 GtkPrintOperationResult
 280 _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
 281                                                   GtkWindow         *parent,
 282                                                   gboolean          *do_print,
 283                                                   GError           **error)
 284  {
 285   GtkWidget *pd;
 286   PrintResponseData rdata;
 287   gint response;
 288
 289   rdata.op = op;
 290   rdata.do_print = FALSE;
 291   rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL;
 292   rdata.error = error;
 293   rdata.print_cb = NULL;
 294   rdata.destroy = NULL;
 295
 296   pd = get_print_dialog (op, parent);
 297
 298   response = gtk_dialog_run (GTK_DIALOG (pd));
 299   handle_print_response (pd, response, &rdata);
 300
 301   *do_print = rdata.do_print;
 302
 303   return rdata.result;
 304 }
 305
 306
 307 typedef struct {
 308   GtkPageSetup  *page_setup;
 309   GFunc          done_cb;
 310   gpointer       data;
 311   GDestroyNotify destroy;
 312 } PageSetupResponseData;
 313
 314 static void
 315 page_setup_data_free (gpointer data)
 316 {
 317   PageSetupResponseData *rdata = data;
 318
 319   g_object_unref (rdata->page_setup);
 320   g_free (rdata);
 321 }
 322
 323 static void
 324 handle_page_setup_response (GtkWidget *dialog,
 325                             gint       response,
 326                             gpointer   data)
 327 {
 328   GtkPageSetupUnixDialog *psd;
 329   PageSetupResponseData *rdata = data;
 330
 331   psd = GTK_PAGE_SETUP_UNIX_DIALOG (dialog);
 332   if (response == GTK_RESPONSE_OK)
 333     rdata->page_setup = gtk_page_setup_unix_dialog_get_page_setup (psd);
 334
 335   gtk_widget_destroy (dialog);
 336
 337   if (rdata->done_cb)
 338     rdata->done_cb (rdata->page_setup, rdata->data);
 339
 340   if (rdata->destroy)
 341     rdata->destroy (rdata);
 342 }
 343
 344 static GtkWidget *
 345 get_page_setup_dialog (GtkWindow        *parent,
 346                        GtkPageSetup     *page_setup,
 347                        GtkPrintSettings *settings)
 348 {
 349   GtkWidget *dialog;
 350
 351   dialog = gtk_page_setup_unix_dialog_new (NULL, parent);
 352   if (page_setup)
 353     gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 354                                                page_setup);
 355   gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 356                                                  settings);
 357
 358   return dialog;
 359 }
 360
 361 /**
 362  * gtk_print_run_page_setup_dialog:
 363  * @parent: transient parent, or %NULL
 364  * @page_setup: an existing #GtkPageSetup, or %NULL
 365  * @settings: a #GtkPrintSettings
 366  *
 367  * Runs a page setup dialog, letting the user modify the values from
 368  * @page_setup. If the user cancels the dialog, the returned #GtkPageSetup
 369  * is identical to the passed in @page_setup, otherwise it contains the
 370  * modifications done in the dialog.
 371  *
 372  * Note that this function may use a recursive mainloop to show the page
 373  * setup dialog. See gtk_print_run_page_setup_dialog_async() if this is
 374  * a problem.
 375  *
 376  * Return value: a new #GtkPageSetup
 377  *
 378  * Since: 2.10
 379  */
 380 GtkPageSetup *
 381 gtk_print_run_page_setup_dialog (GtkWindow        *parent,
 382                                  GtkPageSetup     *page_setup,
 383                                  GtkPrintSettings *settings)
 384 {
 385   GtkWidget *dialog;
 386   gint response;
 387   PageSetupResponseData rdata;
 388
 389   rdata.page_setup = NULL;
 390   rdata.done_cb = NULL;
 391   rdata.data = NULL;
 392   rdata.destroy = NULL;
 393
 394   dialog = get_page_setup_dialog (parent, page_setup, settings);
 395   response = gtk_dialog_run (GTK_DIALOG (dialog));
 396   handle_page_setup_response (dialog, response, &rdata);
 397
 398   if (rdata.page_setup)
 399     return rdata.page_setup;
 400   else if (page_setup)
 401     return gtk_page_setup_copy (page_setup);
 402   else
 403     return gtk_page_setup_new ();
 404 }
 405
 406 /**
 407  * gtk_print_run_page_setup_dialog_async:
 408  * @parent: transient parent, or %NULL
 409  * @page_setup: an existing #GtkPageSetup, or %NULL
 410  * @settings: a #GtkPrintSettings
 411  * @done_cb: a function to call when the user saves the modified page setup
 412  * @data: user data to pass to @done_cb
 413  *
 414  * Runs a page setup dialog, letting the user modify the values from @page_setup.
 415  *
 416  * In contrast to gtk_print_run_page_setup_dialog(), this function  returns after
 417  * showing the page setup dialog on platforms that support this, and calls @done_cb
 418  * from a signal handler for the ::response signal of the dialog.
 419  *
 420  * Since: 2.10
 421  */
 422 void
 423 gtk_print_run_page_setup_dialog_async (GtkWindow            *parent,
 424                                        GtkPageSetup         *page_setup,
 425                                        GtkPrintSettings     *settings,
 426                                        GtkPageSetupDoneFunc  done_cb,
 427                                        gpointer              data)
 428 {
 429   GtkWidget *dialog;
 430   PageSetupResponseData *rdata;
 431
 432   dialog = get_page_setup_dialog (parent, page_setup, settings);
 433   gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 434
 435   rdata = g_new (PageSetupResponseData, 1);
 436   rdata->page_setup = NULL;
 437   rdata->done_cb = done_cb;
 438   rdata->data = data;
 439   rdata->destroy = page_setup_data_free;
 440
 441   g_signal_connect (dialog, "response",
 442                     G_CALLBACK (handle_page_setup_response), rdata);
 443
 444   gtk_window_present (GTK_WINDOW (dialog));
 445  }
 446
 447
 448 #define __GTK_PRINT_OPERATION_UNIX_C__
 449 #include "gtkaliasdef.c"