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
|
// vim: set tabstop=4 shiftwidth=4 noexpandtab:
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aurélien Gâteau
Copyright 2003 Tudor Calin
This program 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.
This program 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.
*/
// KDE
#include <kaction.h>
#include <klocale.h>
#include <kpopupmenu.h>
#include <kdeversion.h>
#include <kstdaccel.h>
#include <kstdguiitem.h>
// Local
#include "history.moc"
namespace Gwenview {
const unsigned int MAX_HISTORY_SIZE=12;
History::History(KActionCollection* actionCollection) {
mPosition=mHistoryList.end();
mMovingInHistory=false;
// Actions
TQPair<KGuiItem, KGuiItem> backForward = KStdGuiItem::backAndForward();
mGoBack=new KToolBarPopupAction(backForward.first,
KStdAccel::shortcut(KStdAccel::Back),
this, TQT_SLOT(goBack()), actionCollection, "go_back");
mGoForward=new KToolBarPopupAction(backForward.second,
KStdAccel::shortcut(KStdAccel::Forward),
this, TQT_SLOT(goForward()), actionCollection, "go_forward");
// Connections
connect(mGoBack->popupMenu(),TQT_SIGNAL(activated(int)),
this,TQT_SLOT(goBackTo(int)) );
connect(mGoForward->popupMenu(),TQT_SIGNAL(activated(int)),
this,TQT_SLOT(goForwardTo(int)) );
connect(mGoBack->popupMenu(), TQT_SIGNAL(aboutToShow()),
this, TQT_SLOT(fillGoBackMenu()) );
connect(mGoForward->popupMenu(), TQT_SIGNAL(aboutToShow()),
this, TQT_SLOT(fillGoForwardMenu()) );
}
History::~History() {
}
void History::addURLToHistory(const KURL& url2) {
KURL url( url2 );
url.setFileName( TQString() );
if (!mMovingInHistory) {
if (mPosition!=mHistoryList.end() && url.equals(*mPosition, true)) return;
// Drop everything after current
HistoryList::iterator it=mPosition;
++it;
mHistoryList.erase(it, mHistoryList.end());
mHistoryList.append(url);
if(mHistoryList.count()==MAX_HISTORY_SIZE) mHistoryList.pop_front();
mPosition=mHistoryList.fromLast();
}
mGoBack->setEnabled(mPosition!=mHistoryList.begin());
mGoForward->setEnabled(mPosition!=mHistoryList.fromLast());
}
void History::fillGoBackMenu() {
TQPopupMenu* menu=mGoBack->popupMenu();
menu->clear();
HistoryList::ConstIterator it;
int pos=1;
for(it=mHistoryList.begin(); it!=mPosition; ++it, ++pos) {
menu->insertItem( (*it).prettyURL(-1), pos, 0);
}
}
void History::fillGoForwardMenu() {
TQPopupMenu* menu=mGoForward->popupMenu();
menu->clear();
HistoryList::ConstIterator it=mPosition;
++it;
int pos=1;
for(; it!=mHistoryList.end(); ++it, ++pos) {
menu->insertItem( (*it).prettyURL(-1), pos, -1);
}
}
void History::goBack() {
goBackTo(1);
}
void History::goForward() {
goForwardTo(1);
}
void History::goBackTo(int id) {
for (;id>0; --id) --mPosition;
mMovingInHistory=true;
emit urlChanged(*mPosition);
mMovingInHistory=false;
}
void History::goForwardTo(int id) {
for (;id>0; --id) ++mPosition;
mMovingInHistory=true;
emit urlChanged(*mPosition);
mMovingInHistory=false;
}
} // namespace
|
