libview/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         /* Find */
 101         GList **find_pages;
 102         gint find_result;
 103         gboolean jump_to_find_result;
 104         gboolean highlight_find_results;
 105
 106         EvPageCache *page_cache;
 107         EvPixbufCache *pixbuf_cache;
 108         EvViewCursor cursor;
 109         EvJobRender *current_job;
 110
 111         /* Scrolling */
 112         GtkAdjustment *hadjustment;
 113         GtkAdjustment *vadjustment;
 114
 115         gint scroll_x;
 116         gint scroll_y;
 117
 118         PendingScroll pending_scroll;
 119         gboolean      pending_resize;
 120         EvPoint       pending_point;
 121
 122         /* Current geometry */
 123
 124         gint start_page;
 125         gint end_page;
 126         gint current_page;
 127
 128         gint rotation;
 129         gdouble scale;
 130         gint spacing;
 131         gdouble dpi;
 132         gdouble max_scale;
 133         gdouble min_scale;
 134
 135         gboolean loading;
 136         gboolean continuous;
 137         gboolean dual_page;
 138         gboolean fullscreen;
 139         gboolean presentation;
 140         EvSizingMode sizing_mode;
 141         cairo_surface_t *loading_text;
 142
 143         /* Presentation */
 144         EvPresentationState presentation_state;
 145         EvSizingMode sizing_mode_saved;
 146         double scale_saved;
 147         guint  trans_timeout_id;
 148
 149         /* Common for button press handling */
 150         int pressed_button;
 151
 152         /* Information for middle clicking and dragging around. */
 153         DragInfo drag_info;
 154
 155         /* Autoscrolling */
 156         AutoScrollInfo scroll_info;
 157
 158         /* Selection */
 159         GdkPoint motion;
 160         guint selection_update_id;
 161         guint selection_scroll_id;
 162
 163         EvViewSelectionMode selection_mode;
 164         SelectionInfo selection_info;
 165
 166         /* Copy link address selection */
 167         EvLinkAction *link_selected;
 168
 169         /* Image DND */
 170         ImageDNDInfo image_dnd_info;
 171
 172         /* Goto Popup */
 173         GtkWidget *goto_window;
 174         GtkWidget *goto_entry;
 175
 176         EvTransitionAnimation *animation;
 177 };
 178
 179 struct _EvViewClass {
 180         GtkLayoutClass parent_class;
 181
 182         void    (*binding_activated)      (EvView         *view,
 183                                            GtkScrollType   scroll,
 184                                            gboolean        horizontal);
 185         void    (*zoom_invalid)           (EvView         *view);
 186         void    (*handle_link)            (EvView         *view,
 187                                            EvLink         *link);
 188         void    (*external_link)          (EvView         *view,
 189                                            EvLinkAction   *action);
 190         void    (*popup_menu)             (EvView         *view,
 191                                            EvLink         *link);
 192 };
 193
 194 #endif  /* __EV_VIEW_PRIVATE_H__ */
 195