1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/* this file is part of atril, a mate document viewer
*
* Copyright (C) 2004 Red Hat, Inc
*
* Atril is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Atril is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if !defined (ATRIL_COMPILATION)
#error "This is a private header."
#endif
#ifndef __EV_VIEW_PRIVATE_H__
#define __EV_VIEW_PRIVATE_H__
#include "ev-view.h"
#include "ev-document-model.h"
#include "ev-pixbuf-cache.h"
#include "ev-page-cache.h"
#include "ev-jobs.h"
#include "ev-image.h"
#include "ev-form-field.h"
#include "ev-selection.h"
#include "ev-view-cursor.h"
#define DRAG_HISTORY 10
/* Information for middle clicking and moving around the doc */
typedef struct {
gboolean in_drag;
GdkPoint start;
gdouble hadj;
gdouble vadj;
guint drag_timeout_id;
guint release_timeout_id;
GdkPoint buffer[DRAG_HISTORY];
GdkPoint momentum;
} DragInfo;
/* Autoscrolling */
typedef struct {
gboolean autoscrolling;
guint last_y;
guint start_y;
guint timeout_id;
} AutoScrollInfo;
/* Information for handling selection */
typedef struct {
gboolean in_drag;
GdkPoint start;
gboolean in_selection;
GList *selections;
EvSelectionStyle style;
} SelectionInfo;
/* Information for handling images DND */
typedef struct {
gboolean in_drag;
GdkPoint start;
EvImage *image;
} ImageDNDInfo;
typedef enum {
EV_PAN_ACTION_NONE,
EV_PAN_ACTION_NEXT,
EV_PAN_ACTION_PREV
} EvPanAction;
/* Annotation popup windows */
typedef struct {
GtkWidget *window;
guint page;
/* Current position */
gint x;
gint y;
/* EvView root position */
gint parent_x;
gint parent_y;
/* Document coords */
gdouble orig_x;
gdouble orig_y;
gboolean visible;
gboolean moved;
} EvViewWindowChild;
typedef enum {
SCROLL_TO_KEEP_POSITION,
SCROLL_TO_PAGE_POSITION,
SCROLL_TO_CENTER,
SCROLL_TO_FIND_LOCATION,
} PendingScroll;
typedef struct _EvHeightToPageCache {
gint rotation;
gboolean dual_even_left;
gdouble *height_to_page;
gdouble *dual_height_to_page;
} EvHeightToPageCache;
struct _EvView {
GtkContainer layout;
/* Container */
GList *children;
EvDocument *document;
/* Find */
GList **find_pages;
gint find_result;
gboolean jump_to_find_result;
gboolean highlight_find_results;
EvDocumentModel *model;
EvPixbufCache *pixbuf_cache;
gsize pixbuf_cache_size;
EvPageCache *page_cache;
EvHeightToPageCache *height_to_page_cache;
EvViewCursor cursor;
EvJobRender *current_job;
GtkRequisition requisition;
gboolean internal_size_request;
/* Scrolling */
GtkAdjustment *hadjustment;
GtkAdjustment *vadjustment;
/* GtkScrollablePolicy needs to be checked when
* driving the scrollable adjustment values */
guint hscroll_policy : 1;
guint vscroll_policy : 1;
gint scroll_x;
gint scroll_y;
PendingScroll pending_scroll;
gboolean pending_resize;
EvPoint pending_point;
/* Current geometry */
gint start_page;
gint end_page;
gint current_page;
gint rotation;
gdouble scale;
gint spacing;
gboolean loading;
gboolean continuous;
gboolean dual_page;
gboolean dual_even_left;
gboolean fullscreen;
EvSizingMode sizing_mode;
GtkWidget *loading_window;
guint loading_timeout;
/* Common for button press handling */
int pressed_button;
/* Information for middle clicking and dragging around. */
DragInfo drag_info;
/* Autoscrolling */
AutoScrollInfo scroll_info;
/* Selection */
GdkPoint motion;
guint selection_update_id;
guint selection_scroll_id;
EvViewSelectionMode selection_mode;
SelectionInfo selection_info;
/* Copy link address selection */
EvLinkAction *link_selected;
/* Image DND */
ImageDNDInfo image_dnd_info;
/* Annotations */
GList *window_children;
EvViewWindowChild *window_child_focus;
EvMapping *focus_annotation;
gboolean adding_annot;
EvAnnotationType adding_annot_type;
/* Synctex */
EvMapping *synctex_result;
/* Accessibility */
AtkObject *accessible;
/* Gestures */
GtkGesture *pan_gesture;
GtkGesture *zoom_gesture;
gdouble prev_zoom_gesture_scale;
EvPanAction pan_action;
};
struct _EvViewClass {
GtkContainerClass parent_class;
void (*binding_activated) (EvView *view,
GtkScrollType scroll,
gboolean horizontal);
void (*handle_link) (EvView *view,
EvLink *link);
void (*external_link) (EvView *view,
EvLinkAction *action);
void (*popup_menu) (EvView *view,
GList *items);
void (*selection_changed) (EvView *view);
void (*sync_source) (EvView *view,
EvSourceLink *link);
void (*annot_added) (EvView *view,
EvAnnotation *annot);
void (*layers_changed) (EvView *view);
};
void _get_page_size_for_scale_and_rotation (EvDocument *document,
gint page,
gdouble scale,
gint rotation,
gint *page_width,
gint *page_height);
void _ev_view_transform_view_point_to_doc_point (EvView *view,
GdkPoint *view_point,
GdkRectangle *page_area,
double *doc_point_x,
double *doc_point_y);
void _ev_view_transform_view_rect_to_doc_rect (EvView *view,
GdkRectangle *view_rect,
GdkRectangle *page_area,
EvRectangle *doc_rect);
void _ev_view_transform_doc_point_to_view_point (EvView *view,
int page,
EvPoint *doc_point,
GdkPoint *view_point);
void _ev_view_transform_doc_rect_to_view_rect (EvView *view,
int page,
EvRectangle *doc_rect,
GdkRectangle *view_rect);
#endif /* __EV_VIEW_PRIVATE_H__ */
|
