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