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 #include "gtkintl.h"
  40
  41 typedef struct {
  42   GtkPrintJob *job;         /* the job we are sending to the printer */
  43   gulong job_status_changed_tag;
  44   GtkWindow *parent;        /* just in case we need to throw error dialogs */
  45 } GtkPrintOperationUnix;
  46
  47 static void
  48 unix_start_page (GtkPrintOperation *op,
  49                  GtkPrintContext   *print_context,
  50                  GtkPageSetup      *page_setup)
  51 {
  52
  53 }
  54
  55 static void
  56 unix_end_page (GtkPrintOperation *op,
  57                GtkPrintContext   *print_context)
  58 {
  59   cairo_t *cr;
  60
  61   cr = gtk_print_context_get_cairo (print_context);
  62   cairo_show_page (cr);
  63 }
  64
  65 static void
  66 op_unix_free (GtkPrintOperationUnix *op_unix)
  67 {
  68   if (op_unix->job)
  69     {
  70       g_signal_handler_disconnect (op_unix->job,
  71                                    op_unix->job_status_changed_tag);
  72       g_object_unref (op_unix->job);
  73     }
  74
  75   g_free (op_unix);
  76 }
  77
  78 static void
  79 unix_finish_send  (GtkPrintJob *job,
  80                    void        *user_data,
  81                    GError      *error)
  82 {
  83   GtkPrintOperationUnix *op_unix;
  84
  85   op_unix = (GtkPrintOperationUnix *) user_data;
  86
  87   if (error != NULL)
  88     {
  89       GtkWidget *edialog;
  90       edialog = gtk_message_dialog_new (op_unix->parent,
  91                                         GTK_DIALOG_DESTROY_WITH_PARENT,
  92                                         GTK_MESSAGE_ERROR,
  93                                         GTK_BUTTONS_CLOSE,
  94                                         _("Error printing") /* FIXME better text */);
  95       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (edialog),
  96                                                 "%s", error->message);
  97       gtk_window_set_modal (GTK_WINDOW (edialog), TRUE);
  98       g_signal_connect (edialog, "response",
  99                         G_CALLBACK (gtk_widget_destroy), NULL);
 100
 101       gtk_window_present (GTK_WINDOW (edialog));
 102     }
 103 }
 104
 105 static void
 106 unix_end_run (GtkPrintOperation *op)
 107 {
 108   GtkPrintOperationUnix *op_unix = op->priv->platform_data;
 109
 110   /* TODO: Check for error */
 111   gtk_print_job_send (op_unix->job,
 112                       unix_finish_send,
 113                       op_unix, NULL,
 114                       NULL);
 115 }
 116
 117 static void
 118 job_status_changed_cb (GtkPrintJob       *job,
 119                        GtkPrintOperation *op)
 120 {
 121   _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
 122 }
 123
 124
 125 static GtkWidget *
 126 get_print_dialog (GtkPrintOperation *op,
 127                   GtkWindow         *parent)
 128 {
 129   GtkPrintOperationPrivate *priv = op->priv;
 130   GtkWidget *pd;
 131   GtkPageSetup *page_setup;
 132
 133   pd = gtk_print_unix_dialog_new (NULL, parent);
 134
 135   if (priv->print_settings)
 136     gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
 137                                         priv->print_settings);
 138   if (priv->default_page_setup)
 139     page_setup = gtk_page_setup_copy (priv->default_page_setup);
 140   else
 141     page_setup = gtk_page_setup_new ();
 142
 143   gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd),
 144                                         page_setup);
 145   g_object_unref (page_setup);
 146
 147   return pd;
 148 }
 149
 150 typedef struct {
 151   GtkPrintOperation           *op;
 152   gboolean                     do_print;
 153   GError                     **error;
 154   GtkPrintOperationResult      result;
 155   GtkPrintOperationPrintFunc   print_cb;
 156   GDestroyNotify               destroy;
 157 } PrintResponseData;
 158
 159 static void
 160 print_response_data_free (gpointer data)
 161 {
 162   PrintResponseData *rdata = data;
 163
 164   g_object_unref (rdata->op);
 165   g_free (rdata);
 166 }
 167
 168 static void
 169 handle_print_response (GtkWidget *dialog,
 170                        gint       response,
 171                        gpointer   data)
 172 {
 173   GtkPrintUnixDialog *pd = GTK_PRINT_UNIX_DIALOG (dialog);
 174   PrintResponseData *rdata = data;
 175   GtkPrintOperation *op = rdata->op;
 176   GtkPrintOperationPrivate *priv = op->priv;
 177
 178   if (response == GTK_RESPONSE_OK)
 179     {
 180       GtkPrintOperationUnix *op_unix;
 181       GtkPrinter *printer;
 182       GtkPrintSettings *settings;
 183       GtkPageSetup *page_setup;
 184
 185       rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
 186
 187       printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd));
 188       if (printer == NULL)
 189         goto out;
 190
 191       rdata->do_print = TRUE;
 192
 193       settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd));
 194       page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (pd));
 195
 196       gtk_print_operation_set_print_settings (op, settings);
 197
 198       op_unix = g_new0 (GtkPrintOperationUnix, 1);
 199       op_unix->job = gtk_print_job_new (priv->job_name,
 200                                         printer,
 201                                         settings,
 202                                         page_setup);
 203       g_object_unref (settings);
 204
 205       rdata->op->priv->surface = gtk_print_job_get_surface (op_unix->job, rdata->error);
 206       if (op->priv->surface == NULL)
 207         {
 208           rdata->do_print = FALSE;
 209           op_unix_free (op_unix);
 210           rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR;
 211           goto out;
 212         }
 213
 214       _gtk_print_operation_set_status (op, gtk_print_job_get_status (op_unix->job), NULL);
 215       op_unix->job_status_changed_tag =
 216         g_signal_connect (op_unix->job, "status_changed",
 217                           G_CALLBACK (job_status_changed_cb), op);
 218
 219       op_unix->parent = gtk_window_get_transient_for (GTK_WINDOW (pd));
 220
 221       priv->dpi_x = 72;
 222       priv->dpi_y = 72;
 223
 224       priv->platform_data = op_unix;
 225       priv->free_platform_data = (GDestroyNotify) op_unix_free;
 226
 227       priv->print_pages = op_unix->job->print_pages;
 228       priv->page_ranges = op_unix->job->page_ranges;
 229       priv->num_page_ranges = op_unix->job->num_page_ranges;
 230
 231       priv->manual_num_copies = op_unix->job->num_copies;
 232       priv->manual_collation = op_unix->job->collate;
 233       priv->manual_reverse = op_unix->job->reverse;
 234       priv->manual_page_set = op_unix->job->page_set;
 235       priv->manual_scale = op_unix->job->scale;
 236       priv->manual_orientation = op_unix->job->rotate_to_orientation;
 237     }
 238
 239   priv->start_page = unix_start_page;
 240   priv->end_page = unix_end_page;
 241   priv->end_run = unix_end_run;
 242
 243  out:
 244   gtk_widget_destroy (GTK_WIDGET (pd));
 245
 246   if (rdata->print_cb)
 247     {
 248       if (rdata->do_print)
 249         rdata->print_cb (op);
 250       else
 251        _gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
 252     }
 253
 254   if (rdata->destroy)
 255     rdata->destroy (rdata);
 256 }
 257
 258 void
 259 _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation          *op,
 260                                                         GtkWindow                  *parent,
 261                                                         GtkPrintOperationPrintFunc  print_cb)
 262 {
 263   GtkWidget *pd;
 264   PrintResponseData *rdata;
 265
 266   rdata = g_new (PrintResponseData, 1);
 267   rdata->op = g_object_ref (op);
 268   rdata->do_print = FALSE;
 269   rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL;
 270   rdata->error = NULL;
 271   rdata->print_cb = print_cb;
 272   rdata->destroy = print_response_data_free;
 273
 274   pd = get_print_dialog (op, parent);
 275   gtk_window_set_modal (GTK_WINDOW (pd), TRUE);
 276
 277   g_signal_connect (pd, "response",
 278                     G_CALLBACK (handle_print_response), rdata);
 279
 280   gtk_window_present (GTK_WINDOW (pd));
 281 }
 282
 283 GtkPrintOperationResult
 284 _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
 285                                                   GtkWindow         *parent,
 286                                                   gboolean          *do_print,
 287                                                   GError           **error)
 288  {
 289   GtkWidget *pd;
 290   PrintResponseData rdata;
 291   gint response;
 292
 293   rdata.op = op;
 294   rdata.do_print = FALSE;
 295   rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL;
 296   rdata.error = error;
 297   rdata.print_cb = NULL;
 298   rdata.destroy = NULL;
 299
 300   pd = get_print_dialog (op, parent);
 301
 302   response = gtk_dialog_run (GTK_DIALOG (pd));
 303   handle_print_response (pd, response, &rdata);
 304
 305   *do_print = rdata.do_print;
 306
 307   return rdata.result;
 308 }
 309
 310
 311 typedef struct {
 312   GtkPageSetup         *page_setup;
 313   GtkPageSetupDoneFunc  done_cb;
 314   gpointer              data;
 315   GDestroyNotify        destroy;
 316 } PageSetupResponseData;
 317
 318 static void
 319 page_setup_data_free (gpointer data)
 320 {
 321   PageSetupResponseData *rdata = data;
 322
 323   g_object_unref (rdata->page_setup);
 324   g_free (rdata);
 325 }
 326
 327 static void
 328 handle_page_setup_response (GtkWidget *dialog,
 329                             gint       response,
 330                             gpointer   data)
 331 {
 332   GtkPageSetupUnixDialog *psd;
 333   PageSetupResponseData *rdata = data;
 334
 335   psd = GTK_PAGE_SETUP_UNIX_DIALOG (dialog);
 336   if (response == GTK_RESPONSE_OK)
 337     rdata->page_setup = gtk_page_setup_unix_dialog_get_page_setup (psd);
 338
 339   gtk_widget_destroy (dialog);
 340
 341   if (rdata->done_cb)
 342     rdata->done_cb (rdata->page_setup, rdata->data);
 343
 344   if (rdata->destroy)
 345     rdata->destroy (rdata);
 346 }
 347
 348 static GtkWidget *
 349 get_page_setup_dialog (GtkWindow        *parent,
 350                        GtkPageSetup     *page_setup,
 351                        GtkPrintSettings *settings)
 352 {
 353   GtkWidget *dialog;
 354
 355   dialog = gtk_page_setup_unix_dialog_new (NULL, parent);
 356   if (page_setup)
 357     gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 358                                                page_setup);
 359   gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
 360                                                  settings);
 361
 362   return dialog;
 363 }
 364
 365 /**
 366  * gtk_print_run_page_setup_dialog:
 367  * @parent: transient parent, or %NULL
 368  * @page_setup: an existing #GtkPageSetup, or %NULL
 369  * @settings: a #GtkPrintSettings
 370  *
 371  * Runs a page setup dialog, letting the user modify the values from
 372  * @page_setup. If the user cancels the dialog, the returned #GtkPageSetup
 373  * is identical to the passed in @page_setup, otherwise it contains the
 374  * modifications done in the dialog.
 375  *
 376  * Note that this function may use a recursive mainloop to show the page
 377  * setup dialog. See gtk_print_run_page_setup_dialog_async() if this is
 378  * a problem.
 379  *
 380  * Return value: a new #GtkPageSetup
 381  *
 382  * Since: 2.10
 383  */
 384 GtkPageSetup *
 385 gtk_print_run_page_setup_dialog (GtkWindow        *parent,
 386                                  GtkPageSetup     *page_setup,
 387                                  GtkPrintSettings *settings)
 388 {
 389   GtkWidget *dialog;
 390   gint response;
 391   PageSetupResponseData rdata;
 392
 393   rdata.page_setup = NULL;
 394   rdata.done_cb = NULL;
 395   rdata.data = NULL;
 396   rdata.destroy = NULL;
 397
 398   dialog = get_page_setup_dialog (parent, page_setup, settings);
 399   response = gtk_dialog_run (GTK_DIALOG (dialog));
 400   handle_page_setup_response (dialog, response, &rdata);
 401
 402   if (rdata.page_setup)
 403     return rdata.page_setup;
 404   else if (page_setup)
 405     return gtk_page_setup_copy (page_setup);
 406   else
 407     return gtk_page_setup_new ();
 408 }
 409
 410 /**
 411  * gtk_print_run_page_setup_dialog_async:
 412  * @parent: transient parent, or %NULL
 413  * @page_setup: an existing #GtkPageSetup, or %NULL
 414  * @settings: a #GtkPrintSettings
 415  * @done_cb: a function to call when the user saves the modified page setup
 416  * @data: user data to pass to @done_cb
 417  *
 418  * Runs a page setup dialog, letting the user modify the values from @page_setup.
 419  *
 420  * In contrast to gtk_print_run_page_setup_dialog(), this function  returns after
 421  * showing the page setup dialog on platforms that support this, and calls @done_cb
 422  * from a signal handler for the ::response signal of the dialog.
 423  *
 424  * Since: 2.10
 425  */
 426 void
 427 gtk_print_run_page_setup_dialog_async (GtkWindow            *parent,
 428                                        GtkPageSetup         *page_setup,
 429                                        GtkPrintSettings     *settings,
 430                                        GtkPageSetupDoneFunc  done_cb,
 431                                        gpointer              data)
 432 {
 433   GtkWidget *dialog;
 434   PageSetupResponseData *rdata;
 435
 436   dialog = get_page_setup_dialog (parent, page_setup, settings);
 437   gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 438
 439   rdata = g_new (PageSetupResponseData, 1);
 440   rdata->page_setup = NULL;
 441   rdata->done_cb = done_cb;
 442   rdata->data = data;
 443   rdata->destroy = page_setup_data_free;
 444
 445   g_signal_connect (dialog, "response",
 446                     G_CALLBACK (handle_page_setup_response), rdata);
 447
 448   gtk_window_present (GTK_WINDOW (dialog));
 449  }
 450
 451
 452 #define __GTK_PRINT_OPERATION_UNIX_C__
 453 #include "gtkaliasdef.c"