1 #define __SP_VIEW_C__
3 /** \file
4 * View implementation
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Ralf Stephan <ralf@ark.in-berlin.de>
9 *
10 * Copyright (C) 2001-2002 Lauris Kaplinski
11 * Copyright (C) 2001 Ximian, Inc.
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #ifdef HAVE_CONFIG_H
17 # include "config.h"
18 #endif
20 #include "libnr/nr-point.h"
21 #include "document.h"
22 #include "view.h"
23 #include "message-stack.h"
24 #include "message-context.h"
25 #include "verbs.h"
27 namespace Inkscape {
28 namespace UI {
29 namespace View {
31 static void
32 _onPositionSet (double x, double y, View* v)
33 {
34 v->onPositionSet (x,y);
35 }
37 static void
38 _onResized (double x, double y, View* v)
39 {
40 v->onResized (x,y);
41 }
43 static void
44 _onRedrawRequested (View* v)
45 {
46 v->onRedrawRequested();
47 }
49 static void
50 _onStatusMessage (Inkscape::MessageType type, gchar const *message, View* v)
51 {
52 v->onStatusMessage (type, message);
53 }
55 static void
56 _onDocumentURISet (gchar const* uri, View* v)
57 {
58 v->onDocumentURISet (uri);
59 }
61 static void
62 _onDocumentResized (double x, double y, View* v)
63 {
64 v->onDocumentResized (x,y);
65 }
67 //--------------------------------------------------------------------
68 View::View()
69 : _doc(0)
70 {
71 _message_stack = GC::release(new Inkscape::MessageStack());
72 _tips_message_context = new Inkscape::MessageContext(_message_stack);
74 _position_set_connection = _position_set_signal.connect (sigc::bind (sigc::ptr_fun (&_onPositionSet), this));
75 _resized_connection = _resized_signal.connect (sigc::bind (sigc::ptr_fun (&_onResized), this));
76 _redraw_requested_connection = _redraw_requested_signal.connect (sigc::bind (sigc::ptr_fun (&_onRedrawRequested), this));
78 _message_changed_connection = _message_stack->connectChanged (sigc::bind (sigc::ptr_fun (&_onStatusMessage), this));
79 }
81 /**
82 * Deletes and nulls all View message stacks and disconnects it from signals.
83 */
84 View::~View()
85 {
86 _close();
87 }
89 void View::_close() {
90 _message_changed_connection.disconnect();
92 delete _tips_message_context;
93 _tips_message_context = 0;
95 _message_stack = 0;
97 if (_doc) {
98 _document_uri_set_connection.disconnect();
99 _document_resized_connection.disconnect();
100 _doc = 0;
101 }
103 Inkscape::Verb::delete_all_view (this);
104 }
106 void View::setPosition (double x, double y)
107 {
108 _position_set_signal.emit (x,y);
109 }
111 void View::setPosition(NR::Point const &p)
112 {
113 setPosition (double(p[NR::X]), double(p[NR::Y]));
114 }
116 void View::emitResized (double width, double height)
117 {
118 _resized_signal.emit (width, height);
119 }
121 void View::requestRedraw()
122 {
123 _redraw_requested_signal.emit();
124 }
126 /**
127 * Disconnects the view from the document signals, connects the view
128 * to a new one, and emits the _document_set_signal on the view.
129 *
130 * This is code comon to all subclasses and called from their
131 * setDocument() methods after they are done.
132 *
133 * \param doc The new document to connect the view to.
134 */
135 void View::setDocument(SPDocument *doc) {
136 g_return_if_fail(doc != NULL);
138 if (_doc) {
139 _document_uri_set_connection.disconnect();
140 _document_resized_connection.disconnect();
141 sp_document_unref (_doc);
142 }
144 _doc = sp_document_ref (doc);
145 _document_uri_set_connection =
146 _doc->connectURISet(sigc::bind(sigc::ptr_fun(&_onDocumentURISet), this));
147 _document_resized_connection =
148 _doc->connectResized(sigc::bind(sigc::ptr_fun(&_onDocumentResized), this));
149 _document_uri_set_signal.emit (SP_DOCUMENT_URI(_doc));
150 }
152 }}}
154 /*
155 Local Variables:
156 mode:c++
157 c-file-style:"stroustrup"
158 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
159 indent-tabs-mode:nil
160 fill-column:99
161 End:
162 */
163 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :