shell/ev-view-private.h

   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 #ifndef __EV_VIEW_PRIVATE_H__
  22 #define __EV_VIEW_PRIVATE_H__
  23
  24 #include "ev-view.h"
  25 #include "ev-pixbuf-cache.h"
  26 #include "ev-page-cache.h"
  27 #include "ev-jobs.h"
  28 #include "ev-image.h"
  29 #include "ev-form-field.h"
  30 #include "ev-selection.h"
  31 #include "ev-transition-animation.h"
  32
  33 #define DRAG_HISTORY 10
  34
  35 /* Information for middle clicking and moving around the doc */
  36 typedef struct {
  37         gboolean in_drag;
  38         GdkPoint start;
  39         gdouble hadj;
  40         gdouble vadj;
  41         guint drag_timeout_id;
  42         guint release_timeout_id;
  43         GdkPoint buffer[DRAG_HISTORY];
  44         GdkPoint momentum;
  45 } DragInfo;
  46
  47 /* Autoscrolling */
  48 typedef struct {
  49         gboolean autoscrolling;
  50         guint last_y;
  51         guint start_y;
  52         guint timeout_id;
  53 } AutoScrollInfo;
  54
  55 /* Information for handling selection */
  56 typedef struct {
  57         gboolean in_drag;
  58         GdkPoint start;
  59         gboolean in_selection;
  60         GList *selections;
  61         EvSelectionStyle style;
  62 } SelectionInfo;
  63
  64 /* Information for handling images DND */
  65 typedef struct {
  66         gboolean in_drag;
  67         GdkPoint start;
  68         EvImage *image;
  69 } ImageDNDInfo;
  70
  71 typedef enum {
  72         SCROLL_TO_KEEP_POSITION,
  73         SCROLL_TO_PAGE_POSITION,
  74         SCROLL_TO_CENTER,
  75         SCROLL_TO_FIND_LOCATION,
  76 } PendingScroll;
  77
  78 typedef enum {
  79         EV_VIEW_CURSOR_NORMAL,
  80         EV_VIEW_CURSOR_IBEAM,
  81         EV_VIEW_CURSOR_LINK,
  82         EV_VIEW_CURSOR_WAIT,
  83         EV_VIEW_CURSOR_HIDDEN,
  84         EV_VIEW_CURSOR_DRAG,
  85         EV_VIEW_CURSOR_AUTOSCROLL,
  86 } EvViewCursor;
  87
  88 typedef enum {
  89         EV_PRESENTATION_NORMAL,
  90         EV_PRESENTATION_BLACK,
  91         EV_PRESENTATION_WHITE,
  92         EV_PRESENTATION_END
  93 } EvPresentationState;
  94
  95 struct _EvView {
  96         GtkLayout layout;
  97
  98         EvDocument *document;
  99
 100         char *find_status;
 101         int find_result;
 102         gboolean jump_to_find_result;
 103         gboolean highlight_find_results;
 104
 105         EvPageCache *page_cache;
 106         EvPixbufCache *pixbuf_cache;
 107         EvViewCursor cursor;
 108         EvJobRender *current_job;
 109
 110         /* Scrolling */
 111         GtkAdjustment *hadjustment;
 112         GtkAdjustment *vadjustment;
 113
 114         gint scroll_x;
 115         gint scroll_y;
 116
 117         PendingScroll pending_scroll;
 118         gboolean      pending_resize;
 119         EvPoint       pending_point;
 120
 121         /* Current geometry */
 122
 123         gint start_page;
 124         gint end_page;
 125         gint current_page;
 126
 127         gint rotation;
 128         gdouble scale;
 129         gint spacing;
 130         gdouble dpi;
 131         gdouble max_scale;
 132         gdouble min_scale;
 133
 134         gboolean loading;
 135         gboolean continuous;
 136         gboolean dual_page;
 137         gboolean fullscreen;
 138         gboolean presentation;
 139         EvSizingMode sizing_mode;
 140         cairo_surface_t *loading_text;
 141
 142         /* Presentation */
 143         EvPresentationState presentation_state;
 144         EvSizingMode sizing_mode_saved;
 145         double scale_saved;
 146         guint  trans_timeout_id;
 147
 148         /* Common for button press handling */
 149         int pressed_button;
 150
 151         /* Information for middle clicking and dragging around. */
 152         DragInfo drag_info;
 153
 154         /* Autoscrolling */
 155         AutoScrollInfo scroll_info;
 156
 157         /* Selection */
 158         GdkPoint motion;
 159         guint selection_update_id;
 160         guint selection_scroll_id;
 161
 162         EvViewSelectionMode selection_mode;
 163         SelectionInfo selection_info;
 164
 165         /* Copy link address selection */
 166         EvLinkAction *link_selected;
 167
 168         /* Image DND */
 169         ImageDNDInfo image_dnd_info;
 170
 171 #if !GTK_CHECK_VERSION (2, 11, 7)
 172         /* Links */
 173         GtkWidget *link_tooltip;
 174         EvLink *hovered_link;
 175 #endif
 176
 177         /* Goto Popup */
 178         GtkWidget *goto_window;
 179         GtkWidget *goto_entry;
 180
 181         EvTransitionAnimation *animation;
 182 };
 183
 184 struct _EvViewClass {
 185         GtkLayoutClass parent_class;
 186
 187         void    (*binding_activated)      (EvView         *view,
 188                                            EvScrollType   scroll,
 189                                            gboolean        horizontal);
 190         void    (*zoom_invalid)           (EvView         *view);
 191         void    (*handle_link)            (EvView         *view,
 192                                            EvLink         *link);
 193         void    (*external_link)          (EvView         *view,
 194                                            EvLinkAction   *action);
 195         void    (*popup_menu)             (EvView         *view,
 196                                            EvLink         *link);
 197 };
 198
 199 #endif  /* __EV_VIEW_PRIVATE_H__ */
 200