1
2 /*
3 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28
29 #define DEBUG_KP_THUMBNAIL 0
30
31
32 #include "kpThumbnail.h"
33
34 #include "kpDefs.h"
35 #include "document/kpDocument.h"
36 #include "mainWindow/kpMainWindow.h"
37 #include "views/kpThumbnailView.h"
38 #include "tools/kpTool.h"
39
40 #include "kpLogCategories.h"
41 #include <KLocalizedString>
42
43 #include <QAction>
44 #include <QLayout>
45
46
47 struct kpThumbnailPrivate
48 {
49 kpMainWindow *mainWindow;
50 kpThumbnailView *view;
51 QHBoxLayout *lay;
52 };
53
kpThumbnail(kpMainWindow * parent)54 kpThumbnail::kpThumbnail (kpMainWindow *parent)
55 : kpSubWindow (parent),
56 d (new kpThumbnailPrivate ())
57 {
58 Q_ASSERT (parent);
59
60 d->mainWindow = parent;
61 d->view = nullptr;
62 d->lay = new QHBoxLayout (this);
63
64
65 setMinimumSize (64, 64);
66
67
68 updateCaption ();
69 }
70
~kpThumbnail()71 kpThumbnail::~kpThumbnail ()
72 {
73 delete d;
74 }
75
76
77 // public
view() const78 kpThumbnailView *kpThumbnail::view () const
79 {
80 return d->view;
81 }
82
83 // public
setView(kpThumbnailView * view)84 void kpThumbnail::setView (kpThumbnailView *view)
85 {
86 #if DEBUG_KP_THUMBNAIL
87 qCDebug(kpLogMisc) << "kpThumbnail::setView(" << view << ")";
88 #endif
89
90 if (d->view == view) {
91 return;
92 }
93
94
95 if (d->view)
96 {
97 disconnect (d->view, &kpThumbnailView::destroyed,
98 this, &kpThumbnail::slotViewDestroyed);
99
100 disconnect (d->view, &kpThumbnailView::zoomLevelChanged,
101 this, &kpThumbnail::updateCaption);
102
103 d->lay->removeWidget (d->view);
104 }
105
106 d->view = view;
107
108 if (d->view)
109 {
110 connect (d->view, &kpThumbnailView::destroyed,
111 this, &kpThumbnail::slotViewDestroyed);
112
113 connect (d->view, &kpThumbnailView::zoomLevelChanged,
114 this, &kpThumbnail::updateCaption);
115
116 Q_ASSERT (d->view->parent () == this);
117 d->lay->addWidget (d->view, Qt::AlignCenter);
118
119 d->view->show ();
120 }
121
122 updateCaption ();
123 }
124
125
126 // public slot
updateCaption()127 void kpThumbnail::updateCaption ()
128 {
129 setWindowTitle (view () ? view ()->caption () : i18nc ("@title:window", "Thumbnail"));
130 }
131
132
133 // protected slot
slotViewDestroyed()134 void kpThumbnail::slotViewDestroyed ()
135 {
136 #if DEBUG_KP_THUMBNAIL
137 qCDebug(kpLogMisc) << "kpThumbnail::slotViewDestroyed()";
138 #endif
139
140 d->view = nullptr;
141 updateCaption ();
142 }
143
144
145 // protected virtual [base QWidget]
resizeEvent(QResizeEvent * e)146 void kpThumbnail::resizeEvent (QResizeEvent *e)
147 {
148 #if DEBUG_KP_THUMBNAIL
149 qCDebug(kpLogMisc) << "kpThumbnail::resizeEvent(" << width ()
150 << "," << height () << ")";
151 #endif
152
153 QWidget::resizeEvent (e);
154
155 // updateVariableZoom (); TODO: is below a good idea since this commented out?
156
157 if (d->mainWindow)
158 {
159 d->mainWindow->notifyThumbnailGeometryChanged ();
160
161 if (d->mainWindow->tool ()) {
162 d->mainWindow->tool ()->somethingBelowTheCursorChanged ();
163 }
164 }
165 }
166
167 // protected virtual [base QWidget]
moveEvent(QMoveEvent *)168 void kpThumbnail::moveEvent (QMoveEvent * /*e*/)
169 {
170 if (d->mainWindow) {
171 d->mainWindow->notifyThumbnailGeometryChanged ();
172 }
173 }
174
175 // protected virtual [base QWidget]
closeEvent(QCloseEvent * e)176 void kpThumbnail::closeEvent (QCloseEvent *e)
177 {
178 QWidget::closeEvent (e);
179
180 emit windowClosed ();
181 }
182
183
184