shell/ev-view.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  *  Copyright (C) 2004 Red Hat, Inc
   5  *
   6  * Evince is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Evince is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <gtk/gtkalignment.h>
  22 #include <glib/gi18n.h>
  23 #include <gtk/gtkbindings.h>
  24 #include <gtk/gtkselection.h>
  25 #include <gtk/gtkclipboard.h>
  26 #include <gdk/gdkkeysyms.h>
  27 #include <libgnomevfs/gnome-vfs-utils.h>
  28
  29 #include "ev-marshal.h"
  30 #include "ev-view.h"
  31 #include "ev-document-find.h"
  32 #include "ev-document-misc.h"
  33 #include "ev-debug.h"
  34
  35 #define EV_VIEW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
  36 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
  37 #define EV_VIEW_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
  38
  39 enum {
  40         PROP_0,
  41         PROP_STATUS,
  42         PROP_FIND_STATUS
  43 };
  44
  45 enum {
  46   TARGET_STRING,
  47   TARGET_TEXT,
  48   TARGET_COMPOUND_TEXT,
  49   TARGET_UTF8_STRING,
  50   TARGET_TEXT_BUFFER_CONTENTS
  51 };
  52
  53 static const GtkTargetEntry targets[] = {
  54         { "STRING", 0, TARGET_STRING },
  55         { "TEXT",   0, TARGET_TEXT },
  56         { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
  57         { "UTF8_STRING", 0, TARGET_UTF8_STRING },
  58 };
  59
  60 typedef enum {
  61         EV_VIEW_CURSOR_NORMAL,
  62         EV_VIEW_CURSOR_LINK,
  63         EV_VIEW_CURSOR_WAIT,
  64         EV_VIEW_CURSOR_HIDDEN
  65 } EvViewCursor;
  66
  67 #define ZOOM_IN_FACTOR  1.2
  68 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
  69
  70 #define MIN_SCALE 0.05409
  71 #define MAX_SCALE 18.4884
  72 #define ZOOM_EPSILON 1e-10
  73
  74
  75 struct _EvView {
  76         GtkWidget parent_instance;
  77
  78         EvDocument *document;
  79
  80         GdkWindow *bin_window;
  81
  82         char *status;
  83         char *find_status;
  84
  85         int scroll_x;
  86         int scroll_y;
  87
  88         gboolean pressed_button;
  89         gboolean has_selection;
  90         GdkPoint selection_start;
  91         GdkRectangle selection;
  92         EvViewCursor cursor;
  93
  94         GtkAdjustment *hadjustment;
  95         GtkAdjustment *vadjustment;
  96
  97         int find_page;
  98         int find_result;
  99         int spacing;
 100
 101         double scale;
 102         EvSizingMode sizing_mode;
 103 };
 104
 105 struct _EvViewClass {
 106         GtkWidgetClass parent_class;
 107
 108         void    (*set_scroll_adjustments) (EvView         *view,
 109                                            GtkAdjustment  *hadjustment,
 110                                            GtkAdjustment  *vadjustment);
 111         void    (*scroll_view)            (EvView         *view,
 112                                            GtkScrollType   scroll,
 113                                            gboolean        horizontal);
 114
 115         /* Should this be notify::page? */
 116         void    (*page_changed)           (EvView         *view);
 117 };
 118
 119 static guint page_changed_signal = 0;
 120
 121 static void ev_view_set_scroll_adjustments (EvView         *view,
 122                                             GtkAdjustment  *hadjustment,
 123                                             GtkAdjustment  *vadjustment);
 124
 125 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
 126
 127 /*** Helper functions ***/
 128
 129 static void
 130 view_update_adjustments (EvView *view)
 131 {
 132         int old_x = view->scroll_x;
 133         int old_y = view->scroll_y;
 134
 135         if (view->hadjustment)
 136                 view->scroll_x = view->hadjustment->value;
 137         else
 138                 view->scroll_x = 0;
 139
 140         if (view->vadjustment)
 141                 view->scroll_y = view->vadjustment->value;
 142         else
 143                 view->scroll_y = 0;
 144
 145         if (GTK_WIDGET_REALIZED (view) &&
 146             (view->scroll_x != old_x || view->scroll_y != old_y)) {
 147                 gdk_window_move (view->bin_window, - view->scroll_x, - view->scroll_y);
 148                 gdk_window_process_updates (view->bin_window, TRUE);
 149         }
 150 }
 151
 152 static void
 153 view_set_adjustment_values (EvView         *view,
 154                             GtkOrientation  orientation)
 155 {
 156         GtkWidget *widget = GTK_WIDGET (view);
 157         GtkAdjustment *adjustment;
 158         gboolean value_changed = FALSE;
 159         int requisition;
 160         int allocation;
 161
 162         if (orientation == GTK_ORIENTATION_HORIZONTAL)  {
 163                 requisition = widget->requisition.width;
 164                 allocation = widget->allocation.width;
 165                 adjustment = view->hadjustment;
 166         } else {
 167                 requisition = widget->requisition.height;
 168                 allocation = widget->allocation.height;
 169                 adjustment = view->vadjustment;
 170         }
 171
 172         if (!adjustment)
 173                 return;
 174
 175         adjustment->page_size = allocation;
 176         adjustment->step_increment = allocation * 0.1;
 177         adjustment->page_increment = allocation * 0.9;
 178         adjustment->lower = 0;
 179         adjustment->upper = MAX (allocation, requisition);
 180
 181         if (adjustment->value > adjustment->upper - adjustment->page_size) {
 182                 adjustment->value = adjustment->upper - adjustment->page_size;
 183                 value_changed = TRUE;
 184         }
 185
 186         gtk_adjustment_changed (adjustment);
 187         if (value_changed)
 188                 gtk_adjustment_value_changed (adjustment);
 189 }
 190
 191 /*** Virtual function implementations ***/
 192
 193 static void
 194 ev_view_finalize (GObject *object)
 195 {
 196         EvView *view = EV_VIEW (object);
 197
 198         LOG ("Finalize");
 199
 200         if (view->document)
 201                 g_object_unref (view->document);
 202
 203         ev_view_set_scroll_adjustments (view, NULL, NULL);
 204
 205         G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
 206 }
 207
 208 static void
 209 ev_view_destroy (GtkObject *object)
 210 {
 211         EvView *view = EV_VIEW (object);
 212
 213         ev_view_set_scroll_adjustments (view, NULL, NULL);
 214
 215         GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
 216 }
 217
 218 static void
 219 ev_view_size_request (GtkWidget      *widget,
 220                       GtkRequisition *requisition)
 221 {
 222         EvView *view = EV_VIEW (widget);
 223         GtkBorder border;
 224         gint width, height;
 225
 226         if (! GTK_WIDGET_REALIZED (widget))
 227                 return;
 228
 229         if (! view->document) {
 230                 requisition->width = 1;
 231                 requisition->height = 1;
 232                 return;
 233         }
 234
 235         ev_document_get_page_size (view->document, -1,
 236                                    &width, &height);
 237         ev_document_misc_get_page_border_size (width, height, &border);
 238
 239         switch (view->sizing_mode) {
 240         case EV_SIZING_BEST_FIT:
 241                 requisition->width = MIN_SCALE * ((float) width) / view->scale;
 242                 requisition->height = MIN_SCALE * ((float) height) / view->scale;
 243                 break;
 244         case EV_SIZING_FIT_WIDTH:
 245                 requisition->width = MIN_SCALE * ((float) width) / view->scale;
 246                 requisition->height = height + border.top + border.bottom;
 247                 requisition->height += view->spacing * 2;
 248                 break;
 249         case EV_SIZING_FREE:
 250                 requisition->width = width + border.left + border.right;
 251                 requisition->height = height + border.top + border.bottom;
 252                 requisition->width += view->spacing * 2;
 253                 requisition->height += view->spacing * 2;
 254                 break;
 255         }
 256 }
 257
 258 static void
 259 ev_view_size_allocate (GtkWidget      *widget,
 260                        GtkAllocation  *allocation)
 261 {
 262         EvView *view = EV_VIEW (widget);
 263
 264         GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
 265
 266         view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
 267         view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
 268
 269         if (GTK_WIDGET_REALIZED (widget)) {
 270                 gdk_window_resize (view->bin_window,
 271                                    MAX (widget->allocation.width, widget->requisition.width),
 272                                    MAX (widget->allocation.height, widget->requisition.height));
 273         }
 274 }
 275
 276 static void
 277 ev_view_realize (GtkWidget *widget)
 278 {
 279         EvView *view = EV_VIEW (widget);
 280         GdkWindowAttr attributes;
 281
 282         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 283
 284
 285         attributes.window_type = GDK_WINDOW_CHILD;
 286         attributes.wclass = GDK_INPUT_OUTPUT;
 287         attributes.visual = gtk_widget_get_visual (widget);
 288         attributes.colormap = gtk_widget_get_colormap (widget);
 289
 290         attributes.x = widget->allocation.x;
 291         attributes.y = widget->allocation.y;
 292         attributes.width = widget->allocation.width;
 293         attributes.height = widget->allocation.height;
 294         attributes.event_mask = 0;
 295
 296         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 297                                          &attributes,
 298                                          GDK_WA_X | GDK_WA_Y |
 299                                          GDK_WA_COLORMAP |
 300                                          GDK_WA_VISUAL);
 301         gdk_window_set_user_data (widget->window, widget);
 302         widget->style = gtk_style_attach (widget->style, widget->window);
 303         gdk_window_set_background (widget->window, &widget->style->mid[widget->state]);
 304
 305         attributes.x = 0;
 306         attributes.y = 0;
 307         attributes.width = MAX (widget->allocation.width, widget->requisition.width);
 308         attributes.height = MAX (widget->allocation.height, widget->requisition.height);
 309         attributes.event_mask = GDK_EXPOSURE_MASK |
 310                                 GDK_BUTTON_PRESS_MASK |
 311                                 GDK_BUTTON_RELEASE_MASK |
 312                                 GDK_SCROLL_MASK |
 313                                 GDK_KEY_PRESS_MASK |
 314                                 GDK_POINTER_MOTION_MASK |
 315                                 GDK_LEAVE_NOTIFY_MASK;
 316
 317         view->bin_window = gdk_window_new (widget->window,
 318                                            &attributes,
 319                                            GDK_WA_X | GDK_WA_Y |
 320                                            GDK_WA_COLORMAP |
 321                                            GDK_WA_VISUAL);
 322         gdk_window_set_user_data (view->bin_window, widget);
 323         gdk_window_show (view->bin_window);
 324
 325         widget->style = gtk_style_attach (widget->style, view->bin_window);
 326         gdk_window_set_background (view->bin_window, &widget->style->mid[widget->state]);
 327
 328         if (view->document) {
 329                 ev_document_set_target (view->document, view->bin_window);
 330
 331                 /* We can't get page size without a target, so we have to
 332                  * queue a size request at realization. Could be fixed
 333                  * with EvDocument changes to allow setting a GdkScreen
 334                  * without setting a target.
 335                  */
 336                 gtk_widget_queue_resize (widget);
 337         }
 338 }
 339
 340 static void
 341 ev_view_unrealize (GtkWidget *widget)
 342 {
 343         EvView *view = EV_VIEW (widget);
 344
 345         if (view->document)
 346                 ev_document_set_target (view->document, NULL);
 347
 348         gdk_window_set_user_data (view->bin_window, NULL);
 349         gdk_window_destroy (view->bin_window);
 350         view->bin_window = NULL;
 351
 352         GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
 353 }
 354
 355 static guint32
 356 ev_gdk_color_to_rgb (const GdkColor *color)
 357 {
 358   guint32 result;
 359   result = (0xff0000 | (color->red & 0xff00));
 360   result <<= 8;
 361   result |= ((color->green & 0xff00) | (color->blue >> 8));
 362   return result;
 363 }
 364
 365 static void
 366 draw_rubberband (GtkWidget *widget, GdkWindow *window,
 367                  const GdkRectangle *rect, guchar alpha)
 368 {
 369         GdkGC *gc;
 370         GdkPixbuf *pixbuf;
 371         GdkColor *fill_color_gdk;
 372         guint fill_color;
 373
 374         fill_color_gdk = gdk_color_copy (&GTK_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
 375         fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
 376
 377         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 378                                  rect->width, rect->height);
 379         gdk_pixbuf_fill (pixbuf, fill_color);
 380
 381         gdk_draw_pixbuf (window, NULL, pixbuf,
 382                          0, 0,
 383                          rect->x,rect->y,
 384                          rect->width, rect->height,
 385                          GDK_RGB_DITHER_NONE,
 386                          0, 0);
 387
 388         g_object_unref (pixbuf);
 389
 390         gc = gdk_gc_new (window);
 391         gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
 392         gdk_draw_rectangle (window, gc, FALSE,
 393                             rect->x, rect->y,
 394                             rect->width - 1,
 395                             rect->height - 1);
 396         g_object_unref (gc);
 397
 398         gdk_color_free (fill_color_gdk);
 399 }
 400
 401 static void
 402 highlight_find_results (EvView *view)
 403 {
 404         EvDocumentFind *find;
 405         int i, results;
 406
 407         g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
 408
 409         find = EV_DOCUMENT_FIND (view->document);
 410
 411         results = ev_document_find_get_n_results (find);
 412
 413         for (i = 0; i < results; i++) {
 414                 GdkRectangle rectangle;
 415                 guchar alpha;
 416
 417                 alpha = (i == view->find_result) ? 0x90 : 0x20;
 418                 ev_document_find_get_result (find, i, &rectangle);
 419                 draw_rubberband (GTK_WIDGET (view), view->bin_window,
 420                                  &rectangle, alpha);
 421         }
 422 }
 423
 424
 425 static void
 426 expose_bin_window (GtkWidget      *widget,
 427                    GdkEventExpose *event)
 428 {
 429         EvView *view = EV_VIEW (widget);
 430         int x_offset, y_offset;
 431         GtkBorder border;
 432         gint width, height;
 433         GdkRectangle area;
 434         int target_width, target_height;
 435
 436         if (view->document == NULL)
 437                 return;
 438
 439         ev_document_get_page_size (view->document, -1,
 440                                    &width, &height);
 441         ev_document_misc_get_page_border_size (width, height, &border);
 442
 443         x_offset = view->spacing;
 444         y_offset = view->spacing;
 445         target_width = width + border.left + border.right + view->spacing * 2;
 446         target_height = height + border.top + border.bottom + view->spacing * 2;
 447
 448         x_offset += MAX (0, (widget->allocation.width - target_width) / 2);
 449         y_offset += MAX (0, (widget->allocation.height - target_height) / 2);
 450
 451         /* Paint the frame */
 452         area.x = x_offset;
 453         area.y = y_offset;
 454         area.width = width + border.left + border.right;
 455         area.height = height + border.top + border.bottom;
 456         ev_document_misc_paint_one_page (view->bin_window, widget, &area, &border);
 457
 458         /* Render the document itself */
 459         ev_document_set_page_offset (view->document,
 460                                      x_offset + border.left,
 461                                      y_offset + border.top);
 462
 463         LOG ("Render area %d %d %d %d", event->area.x, event->area.y,
 464              event->area.width, event->area.height);
 465
 466         ev_document_render (view->document,
 467                             event->area.x, event->area.y,
 468                             event->area.width, event->area.height);
 469
 470         if (EV_IS_DOCUMENT_FIND (view->document)) {
 471                 highlight_find_results (view);
 472         }
 473
 474         if (view->has_selection) {
 475                 draw_rubberband (widget, view->bin_window,
 476                                  &view->selection, 0x40);
 477         }
 478 }
 479
 480 static gboolean
 481 ev_view_expose_event (GtkWidget      *widget,
 482                       GdkEventExpose *event)
 483 {
 484         EvView *view = EV_VIEW (widget);
 485
 486         if (event->window == view->bin_window)
 487                 expose_bin_window (widget, event);
 488         else
 489                 return GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event (widget, event);
 490
 491         return FALSE;
 492 }
 493
 494 void
 495 ev_view_select_all (EvView *ev_view)
 496 {
 497         GtkWidget *widget = GTK_WIDGET (ev_view);
 498
 499         g_return_if_fail (EV_IS_VIEW (ev_view));
 500
 501         ev_view->has_selection = TRUE;
 502         ev_view->selection.x = ev_view->selection.y = 0;
 503         ev_view->selection.width = widget->requisition.width;
 504         ev_view->selection.height = widget->requisition.height;
 505
 506         gtk_widget_queue_draw (widget);
 507 }
 508
 509 void
 510 ev_view_copy (EvView *ev_view)
 511 {
 512         GtkClipboard *clipboard;
 513         char *text;
 514
 515         text = ev_document_get_text (ev_view->document, &ev_view->selection);
 516         clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
 517                                               GDK_SELECTION_CLIPBOARD);
 518         gtk_clipboard_set_text (clipboard, text, -1);
 519         g_free (text);
 520 }
 521
 522 static void
 523 ev_view_primary_get_cb (GtkClipboard     *clipboard,
 524                         GtkSelectionData *selection_data,
 525                         guint             info,
 526                         gpointer          data)
 527 {
 528         EvView *ev_view = EV_VIEW (data);
 529         char *text;
 530
 531         text = ev_document_get_text (ev_view->document, &ev_view->selection);
 532         gtk_selection_data_set_text (selection_data, text, -1);
 533 }
 534
 535 static void
 536 ev_view_primary_clear_cb (GtkClipboard *clipboard,
 537                           gpointer      data)
 538 {
 539         EvView *ev_view = EV_VIEW (data);
 540
 541         ev_view->has_selection = FALSE;
 542 }
 543
 544 static void
 545 ev_view_update_primary_selection (EvView *ev_view)
 546 {
 547         GtkClipboard *clipboard;
 548
 549         clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
 550                                               GDK_SELECTION_PRIMARY);
 551
 552         if (ev_view->has_selection) {
 553                 if (!gtk_clipboard_set_with_owner (clipboard,
 554                                                    targets,
 555                                                    G_N_ELEMENTS (targets),
 556                                                    ev_view_primary_get_cb,
 557                                                    ev_view_primary_clear_cb,
 558                                                    G_OBJECT (ev_view)))
 559                         ev_view_primary_clear_cb (clipboard, ev_view);
 560         } else {
 561                 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
 562                         gtk_clipboard_clear (clipboard);
 563         }
 564 }
 565
 566 static gboolean
 567 ev_view_button_press_event (GtkWidget      *widget,
 568                             GdkEventButton *event)
 569 {
 570         EvView *view = EV_VIEW (widget);
 571
 572         if (!GTK_WIDGET_HAS_FOCUS (widget)) {
 573                 gtk_widget_grab_focus (widget);
 574         }
 575
 576         view->pressed_button = event->button;
 577
 578         switch (event->button) {
 579                 case 1:
 580                         if (view->has_selection) {
 581                                 view->has_selection = FALSE;
 582                                 gtk_widget_queue_draw (widget);
 583                         }
 584
 585                         view->selection_start.x = event->x;
 586                         view->selection_start.y = event->y;
 587                         break;
 588         }
 589
 590         return TRUE;
 591 }
 592
 593 static char *
 594 status_message_from_link (EvLink *link)
 595 {
 596         EvLinkType type;
 597         char *msg;
 598         int page;
 599
 600         type = ev_link_get_link_type (link);
 601
 602         switch (type) {
 603                 case EV_LINK_TYPE_TITLE:
 604                         msg = g_strdup (ev_link_get_title (link));
 605                         break;
 606                 case EV_LINK_TYPE_PAGE:
 607                         page = ev_link_get_page (link);
 608                         msg = g_strdup_printf (_("Go to page %d"), page);
 609                         break;
 610                 case EV_LINK_TYPE_EXTERNAL_URI:
 611                         msg = g_strdup (ev_link_get_uri (link));
 612                         break;
 613                 default:
 614                         msg = NULL;
 615         }
 616
 617         return msg;
 618 }
 619
 620 static void
 621 ev_view_set_status (EvView *view, const char *message)
 622 {
 623         g_return_if_fail (EV_IS_VIEW (view));
 624
 625         if (message != view->status) {
 626                 g_free (view->status);
 627                 view->status = g_strdup (message);
 628                 g_object_notify (G_OBJECT (view), "status");
 629         }
 630 }
 631
 632 static void
 633 ev_view_set_find_status (EvView *view, const char *message)
 634 {
 635         g_return_if_fail (EV_IS_VIEW (view));
 636
 637         g_free (view->find_status);
 638         view->find_status = g_strdup (message);
 639         g_object_notify (G_OBJECT (view), "find-status");
 640 }
 641
 642 static GdkCursor *
 643 ev_view_create_invisible_cursor(void)
 644 {
 645        GdkBitmap *empty;
 646        GdkColor black = { 0, 0, 0, 0 };
 647        static unsigned char bits[] = { 0x00 };
 648
 649        empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
 650
 651        return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
 652 }
 653
 654 static void
 655 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
 656 {
 657         GdkCursor *cursor = NULL;
 658         GdkDisplay *display;
 659         GtkWidget *widget;
 660
 661         if (view->cursor == new_cursor) {
 662                 return;
 663         }
 664
 665         widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
 666         display = gtk_widget_get_display (widget);
 667         view->cursor = new_cursor;
 668
 669         switch (new_cursor) {
 670                 case EV_VIEW_CURSOR_NORMAL:
 671                         gdk_window_set_cursor (widget->window, NULL);
 672                         break;
 673                 case EV_VIEW_CURSOR_LINK:
 674                         cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
 675                         break;
 676                 case EV_VIEW_CURSOR_WAIT:
 677                         cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
 678                         break;
 679                 case EV_VIEW_CURSOR_HIDDEN:
 680                         cursor = ev_view_create_invisible_cursor ();
 681                         break;
 682
 683         }
 684
 685         if (cursor) {
 686                 gdk_window_set_cursor (widget->window, cursor);
 687                 gdk_cursor_unref (cursor);
 688                 gdk_flush();
 689         }
 690 }
 691
 692 static gboolean
 693 ev_view_motion_notify_event (GtkWidget      *widget,
 694                              GdkEventMotion *event)
 695 {
 696         EvView *view = EV_VIEW (widget);
 697
 698         if (view->pressed_button > 0) {
 699                 view->has_selection = TRUE;
 700                 view->selection.x = MIN (view->selection_start.x, event->x);
 701                 view->selection.y = MIN (view->selection_start.y, event->y);
 702                 view->selection.width = ABS (view->selection_start.x - event->x) + 1;
 703                 view->selection.height = ABS (view->selection_start.y - event->y) + 1;
 704
 705                 gtk_widget_queue_draw (widget);
 706         } else if (view->document) {
 707                 EvLink *link;
 708
 709                 link = ev_document_get_link (view->document, event->x, event->y);
 710                 if (link) {
 711                         char *msg;
 712
 713                         msg = status_message_from_link (link);
 714                         ev_view_set_status (view, msg);
 715                         ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
 716                         g_free (msg);
 717
 718                         g_object_unref (link);
 719                 } else {
 720                         ev_view_set_status (view, NULL);
 721                         if (view->cursor == EV_VIEW_CURSOR_LINK) {
 722                                 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
 723                         }
 724                 }
 725         }
 726
 727         return TRUE;
 728 }
 729
 730 static gboolean
 731 ev_view_button_release_event (GtkWidget      *widget,
 732                               GdkEventButton *event)
 733 {
 734         EvView *view = EV_VIEW (widget);
 735
 736         view->pressed_button = -1;
 737
 738         if (view->has_selection) {
 739                 ev_view_update_primary_selection (view);
 740         } else if (view->document) {
 741                 EvLink *link;
 742
 743                 link = ev_document_get_link (view->document,
 744                                              event->x,
 745                                              event->y);
 746                 if (link) {
 747                         ev_view_go_to_link (view, link);
 748                         g_object_unref (link);
 749                 }
 750         }
 751
 752         return FALSE;
 753 }
 754
 755 static void
 756 on_adjustment_value_changed (GtkAdjustment  *adjustment,
 757                              EvView *view)
 758 {
 759         view_update_adjustments (view);
 760 }
 761
 762 static void
 763 set_scroll_adjustment (EvView *view,
 764                        GtkOrientation  orientation,
 765                        GtkAdjustment  *adjustment)
 766 {
 767         GtkAdjustment **to_set;
 768
 769         if (orientation == GTK_ORIENTATION_HORIZONTAL)
 770                 to_set = &view->hadjustment;
 771         else
 772                 to_set = &view->vadjustment;
 773
 774         if (*to_set != adjustment) {
 775                 if (*to_set) {
 776                         g_signal_handlers_disconnect_by_func (*to_set,
 777                                                               (gpointer) on_adjustment_value_changed,
 778                                                               view);
 779                         g_object_unref (*to_set);
 780                 }
 781
 782                 *to_set = adjustment;
 783                 view_set_adjustment_values (view, orientation);
 784
 785                 if (*to_set) {
 786                         g_object_ref (*to_set);
 787                         g_signal_connect (*to_set, "value_changed",
 788                                           G_CALLBACK (on_adjustment_value_changed), view);
 789                 }
 790         }
 791 }
 792
 793 static void
 794 ev_view_set_scroll_adjustments (EvView *view,
 795                                 GtkAdjustment  *hadjustment,
 796                                 GtkAdjustment  *vadjustment)
 797 {
 798         set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
 799         set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
 800
 801         view_update_adjustments (view);
 802 }
 803
 804 static void
 805 add_scroll_binding (GtkBindingSet  *binding_set,
 806                     guint           keyval,
 807                     GtkScrollType   scroll,
 808                     gboolean        horizontal)
 809 {
 810   guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
 811
 812   gtk_binding_entry_add_signal (binding_set, keyval, 0,
 813                                 "scroll_view", 2,
 814                                 GTK_TYPE_SCROLL_TYPE, scroll,
 815                                 G_TYPE_BOOLEAN, horizontal);
 816   gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
 817                                 "scroll_view", 2,
 818                                 GTK_TYPE_SCROLL_TYPE, scroll,
 819                                 G_TYPE_BOOLEAN, horizontal);
 820 }
 821
 822 static void
 823 ev_view_scroll_view (EvView *view,
 824                      GtkScrollType scroll,
 825                      gboolean horizontal)
 826 {
 827         if (scroll == GTK_SCROLL_PAGE_BACKWARD) {
 828                 ev_view_set_page (view, ev_view_get_page (view) - 1);
 829         } else if (scroll == GTK_SCROLL_PAGE_FORWARD) {
 830                 ev_view_set_page (view, ev_view_get_page (view) + 1);
 831         } else {
 832                 GtkAdjustment *adjustment;
 833                 double value;
 834
 835                 if (horizontal) {
 836                         adjustment = view->hadjustment;
 837                 } else {
 838                         adjustment = view->vadjustment;
 839                 }
 840
 841                 value = adjustment->value;
 842
 843                 switch (scroll) {
 844                         case GTK_SCROLL_STEP_BACKWARD:
 845                                 value -= adjustment->step_increment;
 846                                 break;
 847                         case GTK_SCROLL_STEP_FORWARD:
 848                                 value += adjustment->step_increment;
 849                                 break;
 850                         default:
 851                                 break;
 852                 }
 853
 854                 value = CLAMP (value, adjustment->lower,
 855                                adjustment->upper - adjustment->page_size);
 856
 857                 gtk_adjustment_set_value (adjustment, value);
 858         }
 859 }
 860
 861 static void
 862 ev_view_set_property (GObject *object,
 863                       guint prop_id,
 864                       const GValue *value,
 865                       GParamSpec *pspec)
 866 {
 867         switch (prop_id)
 868         {
 869                 /* Read only */
 870                 case PROP_STATUS:
 871                 case PROP_FIND_STATUS:
 872                         break;
 873         }
 874 }
 875
 876 static void
 877 ev_view_get_property (GObject *object,
 878                       guint prop_id,
 879                       GValue *value,
 880                       GParamSpec *pspec)
 881 {
 882         EvView *view = EV_VIEW (object);
 883
 884         switch (prop_id)
 885         {
 886                 case PROP_STATUS:
 887                         g_value_set_string (value, view->status);
 888                         break;
 889                 case PROP_FIND_STATUS:
 890                         g_value_set_string (value, view->status);
 891                         break;
 892         }
 893 }
 894
 895 static void
 896 ev_view_class_init (EvViewClass *class)
 897 {
 898         GObjectClass *object_class = G_OBJECT_CLASS (class);
 899         GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
 900         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 901         GtkBindingSet *binding_set;
 902
 903         object_class->finalize = ev_view_finalize;
 904         object_class->set_property = ev_view_set_property;
 905         object_class->get_property = ev_view_get_property;
 906
 907         widget_class->expose_event = ev_view_expose_event;
 908         widget_class->button_press_event = ev_view_button_press_event;
 909         widget_class->motion_notify_event = ev_view_motion_notify_event;
 910         widget_class->button_release_event = ev_view_button_release_event;
 911         widget_class->size_request = ev_view_size_request;
 912         widget_class->size_allocate = ev_view_size_allocate;
 913         widget_class->realize = ev_view_realize;
 914         widget_class->unrealize = ev_view_unrealize;
 915         gtk_object_class->destroy = ev_view_destroy;
 916
 917         class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
 918         class->scroll_view = ev_view_scroll_view;
 919
 920         widget_class->set_scroll_adjustments_signal =  g_signal_new ("set-scroll-adjustments",
 921                                                                      G_OBJECT_CLASS_TYPE (object_class),
 922                                                                      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 923                                                                      G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
 924                                                                      NULL, NULL,
 925                                                                      ev_marshal_VOID__OBJECT_OBJECT,
 926                                                                      G_TYPE_NONE, 2,
 927                                                                      GTK_TYPE_ADJUSTMENT,
 928                                                                      GTK_TYPE_ADJUSTMENT);
 929         page_changed_signal = g_signal_new ("page-changed",
 930                                             G_OBJECT_CLASS_TYPE (object_class),
 931                                             G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 932                                             G_STRUCT_OFFSET (EvViewClass, page_changed),
 933                                             NULL, NULL,
 934                                             ev_marshal_VOID__NONE,
 935                                             G_TYPE_NONE, 0);
 936
 937         g_signal_new ("scroll_view",
 938                       G_TYPE_FROM_CLASS (object_class),
 939                       G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 940                       G_STRUCT_OFFSET (EvViewClass, scroll_view),
 941                       NULL, NULL,
 942                       ev_marshal_VOID__ENUM_BOOLEAN,
 943                       G_TYPE_NONE, 2,
 944                       GTK_TYPE_SCROLL_TYPE,
 945                       G_TYPE_BOOLEAN);
 946
 947         g_object_class_install_property (object_class,
 948                                          PROP_STATUS,
 949                                          g_param_spec_string ("status",
 950                                                               "Status Message",
 951                                                               "The status message",
 952                                                               NULL,
 953                                                               G_PARAM_READABLE));
 954
 955         g_object_class_install_property (object_class,
 956                                          PROP_STATUS,
 957                                          g_param_spec_string ("find-status",
 958                                                               "Find Status Message",
 959                                                               "The find status message",
 960                                                               NULL,
 961                                                               G_PARAM_READABLE));
 962
 963         binding_set = gtk_binding_set_by_class (class);
 964
 965         add_scroll_binding (binding_set, GDK_Left,  GTK_SCROLL_STEP_BACKWARD, TRUE);
 966         add_scroll_binding (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD,  TRUE);
 967         add_scroll_binding (binding_set, GDK_Up,    GTK_SCROLL_STEP_BACKWARD, FALSE);
 968         add_scroll_binding (binding_set, GDK_Down,  GTK_SCROLL_STEP_FORWARD,  FALSE);
 969
 970         add_scroll_binding (binding_set, GDK_Page_Up,   GTK_SCROLL_PAGE_BACKWARD, FALSE);
 971         add_scroll_binding (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD,  FALSE);
 972 }
 973
 974 static void
 975 ev_view_init (EvView *view)
 976 {
 977         GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
 978
 979         view->spacing = 10;
 980         view->scale = 1.0;
 981         view->pressed_button = -1;
 982         view->cursor = EV_VIEW_CURSOR_NORMAL;
 983         view->sizing_mode = EV_SIZING_BEST_FIT;
 984 }
 985
 986 static void
 987 update_find_status_message (EvView *view)
 988 {
 989         char *message;
 990
 991         if (ev_document_get_page (view->document) == view->find_page) {
 992                 int results;
 993
 994                 results = ev_document_find_get_n_results
 995                                 (EV_DOCUMENT_FIND (view->document));
 996
 997                 message = g_strdup_printf (_("%d found on this page"),
 998                                            results);
 999         } else {
1000                 double percent;
1001
1002                 percent = ev_document_find_get_progress
1003                                 (EV_DOCUMENT_FIND (view->document));
1004
1005                 if (percent >= (1.0 - 1e-10)) {
1006                         message = g_strdup (_("Not found"));
1007                 } else {
1008                         message = g_strdup_printf (_("%3d%% remaining to search"),
1009                                                    (int) ((1.0 - percent) * 100));
1010                 }
1011
1012         }
1013
1014         ev_view_set_find_status (view, message);
1015         g_free (message);
1016 }
1017
1018 static void
1019 set_document_page (EvView *view, int new_page)
1020 {
1021         int page;
1022         int pages;
1023
1024         pages = ev_document_get_n_pages (view->document);
1025         page = CLAMP (new_page, 1, pages);
1026
1027         if (view->document) {
1028                 int old_page = ev_document_get_page (view->document);
1029                 int old_width, old_height;
1030
1031                 ev_document_get_page_size (view->document,
1032                                            -1,
1033                                            &old_width, &old_height);
1034
1035                 if (old_page != page) {
1036                         if (view->cursor != EV_VIEW_CURSOR_HIDDEN) {
1037                                 ev_view_set_cursor (view, EV_VIEW_CURSOR_WAIT);
1038                         }
1039                         ev_document_set_page (view->document, page);
1040                 }
1041
1042                 if (old_page != ev_document_get_page (view->document)) {
1043                         int width, height;
1044
1045                         g_signal_emit (view, page_changed_signal, 0);
1046
1047                         view->has_selection = FALSE;
1048                         ev_document_get_page_size (view->document,
1049                                                    -1,
1050                                                    &width, &height);
1051                         if (width != old_width || height != old_height)
1052                                 gtk_widget_queue_resize (GTK_WIDGET (view));
1053
1054                         gtk_adjustment_set_value (view->vadjustment,
1055                                                   view->vadjustment->lower);
1056                 }
1057
1058                 if (EV_IS_DOCUMENT_FIND (view->document)) {
1059                         view->find_page = page;
1060                         view->find_result = 0;
1061                         update_find_status_message (view);
1062                 }
1063         }
1064 }
1065
1066 #define MARGIN 5
1067
1068 static void
1069 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
1070 {
1071         GtkWidget *widget = GTK_WIDGET (view);
1072         GtkAdjustment *adjustment;
1073         int value;
1074
1075         adjustment = view->vadjustment;
1076
1077         if (rect->y < adjustment->value) {
1078                 value = MAX (adjustment->lower, rect->y - MARGIN);
1079                 gtk_adjustment_set_value (view->vadjustment, value);
1080         } else if (rect->y + rect->height >
1081                    adjustment->value + widget->allocation.height) {
1082                 value = MIN (adjustment->upper, rect->y + rect->height -
1083                              widget->allocation.height + MARGIN);
1084                 gtk_adjustment_set_value (view->vadjustment, value);
1085         }
1086
1087         adjustment = view->hadjustment;
1088
1089         if (rect->x < adjustment->value) {
1090                 value = MAX (adjustment->lower, rect->x - MARGIN);
1091                 gtk_adjustment_set_value (view->hadjustment, value);
1092         } else if (rect->x + rect->height >
1093                    adjustment->value + widget->allocation.width) {
1094                 value = MIN (adjustment->upper, rect->x + rect->width -
1095                              widget->allocation.width + MARGIN);
1096                 gtk_adjustment_set_value (view->hadjustment, value);
1097         }
1098 }
1099
1100 static void
1101 jump_to_find_result (EvView *view)
1102 {
1103         EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
1104         GdkRectangle rect;
1105         int n_results;
1106
1107         n_results = ev_document_find_get_n_results (find);
1108
1109         if (n_results > view->find_result) {
1110                 ev_document_find_get_result
1111                         (find, view->find_result, &rect);
1112                 ensure_rectangle_is_visible (view, &rect);
1113         }
1114 }
1115
1116 static void
1117 jump_to_find_page (EvView *view)
1118 {
1119         int n_pages, i;
1120
1121         n_pages = ev_document_get_n_pages (view->document);
1122
1123         for (i = 0; i <= n_pages; i++) {
1124                 int has_results;
1125                 int page;
1126
1127                 page = i + view->find_page;
1128                 if (page > n_pages) {
1129                         page = page - n_pages;
1130                 }
1131
1132                 has_results = ev_document_find_page_has_results
1133                                 (EV_DOCUMENT_FIND (view->document), page);
1134                 if (has_results == -1) {
1135                         view->find_page = page;
1136                         break;
1137                 } else if (has_results == 1) {
1138                         set_document_page (view, page);
1139                         jump_to_find_result (view);
1140                         break;
1141                 }
1142         }
1143 }
1144
1145 static void
1146 find_changed_cb (EvDocument *document, int page, EvView *view)
1147 {
1148         jump_to_find_page (view);
1149         jump_to_find_result (view);
1150         update_find_status_message (view);
1151
1152         if (ev_document_get_page (document) == page) {
1153                 gtk_widget_queue_draw (GTK_WIDGET (view));
1154         }
1155 }
1156
1157 static void
1158 document_changed_callback (EvDocument *document,
1159                            EvView     *view)
1160 {
1161         gtk_widget_queue_draw (GTK_WIDGET (view));
1162
1163         if (view->cursor != EV_VIEW_CURSOR_HIDDEN) {
1164                 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1165         }
1166 }
1167
1168 /*** Public API ***/
1169
1170 GtkWidget*
1171 ev_view_new (void)
1172 {
1173         return g_object_new (EV_TYPE_VIEW, NULL);
1174 }
1175
1176 void
1177 ev_view_set_document (EvView     *view,
1178                       EvDocument *document)
1179 {
1180         g_return_if_fail (EV_IS_VIEW (view));
1181
1182         if (document != view->document) {
1183                 if (view->document) {
1184                         g_signal_handlers_disconnect_by_func (view->document,
1185                                                               find_changed_cb,
1186                                                               view);
1187                         g_object_unref (view->document);
1188                 }
1189
1190                 view->document = document;
1191                 view->find_page = 1;
1192                 view->find_result = 0;
1193
1194                 if (view->document) {
1195                         g_object_ref (view->document);
1196                         if (EV_IS_DOCUMENT_FIND (view->document)) {
1197                                 g_signal_connect (view->document,
1198                                                   "find_changed",
1199                                                   G_CALLBACK (find_changed_cb),
1200                                                   view);
1201                         }
1202                         g_signal_connect (view->document,
1203                                           "changed",
1204                                           G_CALLBACK (document_changed_callback),
1205                                           view);
1206                 }
1207
1208                 if (GTK_WIDGET_REALIZED (view))
1209                         ev_document_set_target (view->document, view->bin_window);
1210
1211                 gtk_widget_queue_resize (GTK_WIDGET (view));
1212
1213                 g_signal_emit (view, page_changed_signal, 0);
1214         }
1215 }
1216
1217 void
1218 ev_view_set_mode (EvView       *view,
1219                   EvSizingMode  sizing_mode)
1220 {
1221         if (view->sizing_mode == sizing_mode)
1222                 return;
1223
1224         view->sizing_mode = sizing_mode;
1225         gtk_widget_queue_resize (GTK_WIDGET (view));
1226 }
1227
1228 static void
1229 go_to_link (EvView *view, EvLink *link)
1230 {
1231         EvLinkType type;
1232         const char *uri;
1233         int page;
1234
1235         type = ev_link_get_link_type (link);
1236
1237         switch (type) {
1238                 case EV_LINK_TYPE_TITLE:
1239                         break;
1240                 case EV_LINK_TYPE_PAGE:
1241                         page = ev_link_get_page (link);
1242                         set_document_page (view, page);
1243                         break;
1244                 case EV_LINK_TYPE_EXTERNAL_URI:
1245                         uri = ev_link_get_uri (link);
1246                         gnome_vfs_url_show (uri);
1247                         break;
1248         }
1249 }
1250
1251 void
1252 ev_view_go_to_link (EvView *view, EvLink *link)
1253 {
1254         go_to_link (view, link);
1255 }
1256
1257 void
1258 ev_view_set_page (EvView *view,
1259                   int     page)
1260 {
1261         g_return_if_fail (EV_IS_VIEW (view));
1262
1263         set_document_page (view, page);
1264 }
1265
1266 int
1267 ev_view_get_page (EvView *view)
1268 {
1269         if (view->document)
1270                 return ev_document_get_page (view->document);
1271         else
1272                 return 1;
1273 }
1274
1275 static void
1276 ev_view_zoom (EvView   *view,
1277               double    factor,
1278               gboolean  relative)
1279 {
1280         double scale;
1281
1282         if (relative)
1283                 scale = view->scale * factor;
1284         else
1285                 scale = factor;
1286
1287         scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
1288
1289         if (ABS (scale - view->scale) < ZOOM_EPSILON)
1290                 return;
1291
1292         view->scale = scale;
1293
1294         ev_document_set_scale (view->document, view->scale);
1295
1296         gtk_widget_queue_resize (GTK_WIDGET (view));
1297 }
1298
1299 void
1300 ev_view_zoom_in (EvView *view)
1301 {
1302         ev_view_zoom (view, ZOOM_IN_FACTOR, TRUE);
1303 }
1304
1305 void
1306 ev_view_zoom_out (EvView *view)
1307 {
1308         ev_view_zoom (view, ZOOM_OUT_FACTOR, TRUE);
1309 }
1310
1311 void
1312 ev_view_normal_size (EvView *view)
1313 {
1314         ev_view_zoom (view, 1.0, FALSE);
1315 }
1316
1317 /* Unfortunately this is not idempotent (!) (numerical stability
1318  * issues because width and height are rounded) */
1319 void
1320 ev_view_best_fit (EvView *view, int allocation_width, int allocation_height)
1321 {
1322         int target_width, target_height;
1323         int width, height;
1324         GtkBorder border;
1325
1326         if (view->document == NULL)
1327                 return;
1328
1329         width = height = 0;
1330         /* This is the bad part. You could make it stable by doing
1331          * ev_document_set_scale 1.0. But at least with pdf this means
1332          * redrawing the whole page */
1333         ev_document_get_page_size (view->document, -1, &width, &height);
1334         /* FIXME: The border size isn't constant.  Ugh.  Still, if we have extra
1335          * space, we just cut it from the border */
1336         ev_document_misc_get_page_border_size (width, height, &border);
1337
1338         target_width = allocation_width - (view->spacing * 2 + border.left + border.right);
1339         target_height = allocation_height - (view->spacing * 2 + border.top + border.bottom);
1340
1341         LOG ("Best fit %d %d", allocation_width, allocation_height);
1342
1343         if (width != 0 && height != 0) {
1344                 double scale;
1345                 double scale_w, scale_h;
1346
1347                 scale_w = (double)target_width * view->scale / width;
1348                 scale_h = (double)target_height * view->scale / height;
1349
1350                 scale = (scale_w < scale_h) ? scale_w : scale_h;
1351
1352                 ev_view_zoom (view, scale, FALSE);
1353         }
1354
1355 }
1356
1357 void
1358 ev_view_fit_width (EvView *view, int allocation_width, int allocation_height,
1359                    int vsb_width)
1360 {
1361         int target_width, target_height;
1362         int width, height;
1363         GtkBorder border;
1364
1365         if (view->document == NULL)
1366                 return;
1367
1368         width = height = 0;
1369         ev_document_get_page_size (view->document, -1, &width, &height);
1370         ev_document_misc_get_page_border_size (width, height, &border);
1371
1372         target_width = allocation_width - (view->spacing * 2 + border.left + border.right);
1373         target_height = allocation_height - (view->spacing * 2 + border.top + border.bottom);
1374
1375         if (width) {
1376                 double scale;
1377                 scale = (double)target_width * view->scale / width;
1378
1379                 if (height * scale / view->scale > target_height)
1380                         scale = ((double)(target_width - vsb_width) * view->scale / width);
1381
1382                 ev_view_zoom (view, scale, FALSE);
1383         }
1384 }
1385
1386 const char *
1387 ev_view_get_status (EvView *view)
1388 {
1389         g_return_val_if_fail (EV_IS_VIEW (view), NULL);
1390
1391         return view->status;
1392 }
1393
1394 const char *
1395 ev_view_get_find_status (EvView *view)
1396 {
1397         g_return_val_if_fail (EV_IS_VIEW (view), NULL);
1398
1399         return view->find_status;
1400 }
1401
1402 void
1403 ev_view_find_next (EvView *view)
1404 {
1405         int n_results, n_pages;
1406         EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
1407
1408         n_results = ev_document_find_get_n_results (find);
1409         n_pages = ev_document_get_n_pages (view->document);
1410
1411         view->find_result++;
1412
1413         if (view->find_result >= n_results) {
1414                 view->find_result = 0;
1415                 view->find_page++;
1416
1417                 if (view->find_page > n_pages) {
1418                         view->find_page = 1;
1419                 }
1420
1421                 jump_to_find_page (view);
1422         } else {
1423                 jump_to_find_result (view);
1424                 gtk_widget_queue_draw (GTK_WIDGET (view));
1425         }
1426 }
1427
1428 void
1429 ev_view_find_previous (EvView *view)
1430 {
1431         int n_results, n_pages;
1432         EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
1433
1434         n_results = ev_document_find_get_n_results (find);
1435         n_pages = ev_document_get_n_pages (view->document);
1436
1437         view->find_result--;
1438
1439         if (view->find_result < 0) {
1440                 view->find_result = 0;
1441                 view->find_page--;
1442
1443                 if (view->find_page < 1) {
1444                         view->find_page = n_pages;
1445                 }
1446
1447                 jump_to_find_page (view);
1448         } else {
1449                 jump_to_find_result (view);
1450                 gtk_widget_queue_draw (GTK_WIDGET (view));
1451         }
1452 }
1453 void
1454 ev_view_hide_cursor (EvView *view)
1455 {
1456        ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
1457 }
1458
1459 void
1460 ev_view_show_cursor (EvView *view)
1461 {
1462        ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1463 }