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
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/types.h>
#define LOK_USE_UNSTABLE_API
#include <LibreOfficeKit/LibreOfficeKit.h>
#include <LibreOfficeKit/LibreOfficeKitGtk.h>
static void lok_docview_class_init( LOKDocViewClass* pClass );
static void lok_docview_init( LOKDocView* pDocView );
SAL_DLLPUBLIC_EXPORT guint lok_docview_get_type()
{
static guint lok_docview_type = 0;
if (!lok_docview_type)
{
GtkTypeInfo lok_docview_info =
{
"LokDocView",
sizeof( LOKDocView ),
sizeof( LOKDocViewClass ),
(GtkClassInitFunc) lok_docview_class_init,
(GtkObjectInitFunc) lok_docview_init,
NULL,
NULL,
(GtkClassInitFunc) NULL
};
lok_docview_type = gtk_type_unique( gtk_scrolled_window_get_type(), &lok_docview_info );
}
return lok_docview_type;
}
static void lok_docview_class_init( LOKDocViewClass* pClass )
{
pClass->lok_docview = NULL;
}
static void lok_docview_init( LOKDocView* pDocView )
{
// Gtk ScrolledWindow is apparently not fully initialised yet, we specifically
// have to set the [hv]adjustment to prevent GTK assertions from firing, see
// https://bugzilla.gnome.org/show_bug.cgi?id=438114 for more info.
gtk_scrolled_window_set_hadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
gtk_scrolled_window_set_vadjustment( GTK_SCROLLED_WINDOW( pDocView ), NULL );
pDocView->pEventBox = gtk_event_box_new();
gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(pDocView),
pDocView->pEventBox );
pDocView->pCanvas = gtk_image_new();
gtk_container_add( GTK_CONTAINER( pDocView->pEventBox ), pDocView->pCanvas );
gtk_widget_show( pDocView->pCanvas );
gtk_widget_show( pDocView->pEventBox );
pDocView->pPixBuf = 0;
// TODO: figure out a clever view of getting paths set up.
pDocView->pOffice = 0;
pDocView->pDocument = 0;
}
SAL_DLLPUBLIC_EXPORT GtkWidget* lok_docview_new( LibreOfficeKit* pOffice )
{
LOKDocView* pDocView = gtk_type_new( lok_docview_get_type() );
pDocView->pOffice = pOffice;
return GTK_WIDGET( pDocView );
}
SAL_DLLPUBLIC_EXPORT gboolean lok_docview_open_document( LOKDocView* pDocView, char* pPath )
{
if ( pDocView->pDocument )
{
pDocView->pDocument->pClass->destroy( pDocView->pDocument );
pDocView->pDocument = 0;
}
pDocView->pDocument = pDocView->pOffice->pClass->documentLoad( pDocView->pOffice,
pPath );
if ( pDocView->pPixBuf )
{
g_object_unref( G_OBJECT( pDocView->pPixBuf ) );
}
long nWidth, nHeight;
pDocView->pDocument->pClass->getDocumentSize( pDocView->pDocument, &nWidth, &nHeight );
// Draw the whole document at once (for now)
int nRenderWidth = nWidth / 10;
int nRenderHeight = nHeight / 10;
pDocView->pPixBuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB,
TRUE, 8,
nRenderWidth, nRenderHeight);
// TODO: move the rendering into it's own function etc.
unsigned char* pBuffer = gdk_pixbuf_get_pixels( pDocView->pPixBuf );
int nRowStride;
pDocView->pDocument->pClass->paintTile( pDocView->pDocument,
pBuffer,
nRenderWidth, nRenderHeight,
&nRowStride,
0, 0, // origin
nWidth, nHeight );
// TODO: double check that the rowstride really matches what we expected,
// although presumably we'd already be crashing by now if things were
// wrong.
(void) nRowStride;
gtk_image_set_from_pixbuf( GTK_IMAGE( pDocView->pCanvas ), pDocView->pPixBuf );
return FALSE;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
