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