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