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
|
/* This file is part of the KDE project
Copyright (C) 2003 Daniel Molkentin <[email protected]>
Copyright (C) 2003 David Faure <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "statusbarextension.h"
#include <tqvaluelist.h>
#include <tqobjectlist.h>
#include <kstatusbar.h>
#include <tdemainwindow.h>
#include <kdebug.h>
#include <tdelibs_export.h>
#include <tdeparts/part.h>
#include <tdeparts/event.h>
using namespace KParts;
///////////////////////////////////////////////////////////////////
// Helper Classes
///////////////////////////////////////////////////////////////////
class KParts::StatusBarItem {
public:
StatusBarItem() // for QValueList
: m_widget(0), m_visible(false)
{}
StatusBarItem( TQWidget * widget, int stretch, bool permanent )
: m_widget(widget), m_stretch(stretch), m_permanent(permanent), m_visible(false)
{}
TQWidget * widget() const { return m_widget; }
void ensureItemShown( KStatusBar * sb )
{
if ( !m_visible )
{
sb->addWidget( m_widget, m_stretch, m_permanent );
m_visible = true;
m_widget->show();
}
}
void ensureItemHidden( KStatusBar * sb )
{
if ( m_visible )
{
sb->removeWidget( m_widget );
m_visible = false;
m_widget->hide();
}
}
private:
TQWidget * m_widget;
int m_stretch;
bool m_permanent;
bool m_visible; // true when the item has been added to the statusbar
};
///////////////////////////////////////////////////////////////////
StatusBarExtension::StatusBarExtension(KParts::ReadOnlyPart *parent, const char* name)
: TQObject(parent, name), m_statusBar(0), d(0)
{
parent->installEventFilter(this);
}
StatusBarExtension::~StatusBarExtension()
{
}
StatusBarExtension *StatusBarExtension::childObject( TQObject *obj )
{
if ( !obj || obj->childrenListObject().isEmpty() )
return 0L;
// we try to do it on our own, in hope that we are faster than
// queryList, which looks kind of big :-)
const TQObjectList children = obj->childrenListObject();
TQObjectListIt it( children );
for (; it.current(); ++it )
if ( it.current()->inherits( "KParts::StatusBarExtension" ) )
return static_cast<KParts::StatusBarExtension *>( it.current() );
return 0L;
}
bool StatusBarExtension::eventFilter(TQObject * watched, TQEvent* ev)
{
if ( !GUIActivateEvent::test( ev ) ||
!watched->inherits("KParts::ReadOnlyPart") )
return TQObject::eventFilter(watched, ev);
KStatusBar * sb = statusBar();
if ( !sb )
return TQObject::eventFilter(watched, ev);
GUIActivateEvent *gae = static_cast<GUIActivateEvent*>(ev);
if ( gae->activated() )
{
TQValueListIterator<StatusBarItem> it = m_statusBarItems.begin();
for ( ; it != m_statusBarItems.end() ; ++it )
(*it).ensureItemShown( sb );
}
else
{
TQValueListIterator<StatusBarItem> it = m_statusBarItems.begin();
for ( ; it != m_statusBarItems.end() ; ++it )
(*it).ensureItemHidden( sb );
}
return false;
}
KStatusBar * StatusBarExtension::statusBar() const
{
if ( !m_statusBar ) {
TQWidget* w = static_cast<KParts::ReadOnlyPart*>(parent())->widget();
TDEMainWindow* mw = dynamic_cast<TDEMainWindow *>( w->topLevelWidget() );
if ( mw )
m_statusBar = mw->statusBar();
}
return m_statusBar;
}
void StatusBarExtension::setStatusBar( KStatusBar* status )
{
m_statusBar = status;
}
void StatusBarExtension::addStatusBarItem( TQWidget * widget, int stretch, bool permanent )
{
m_statusBarItems.append( StatusBarItem( widget, stretch, permanent ) );
TQValueListIterator<StatusBarItem> it = m_statusBarItems.fromLast();
KStatusBar * sb = statusBar();
Q_ASSERT(sb);
if (sb)
(*it).ensureItemShown( sb );
}
void StatusBarExtension::removeStatusBarItem( TQWidget * widget )
{
KStatusBar * sb = statusBar();
TQValueListIterator<StatusBarItem> it = m_statusBarItems.begin();
for ( ; it != m_statusBarItems.end() ; ++it )
if ( (*it).widget() == widget )
{
if ( sb )
(*it).ensureItemHidden( sb );
m_statusBarItems.remove( it );
break;
}
if ( it == m_statusBarItems.end() )
kdWarning(1000) << "StatusBarExtension::removeStatusBarItem. Widget not found : " << widget << endl;
}
#include "statusbarextension.moc"
|