summaryrefslogtreecommitdiffstats
path: root/kdeui/kpushbutton.cpp
blob: 07127cdc8c42e3d609f1c439cefedad1379251f6 (plain)
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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/* This file is part of the KDE libraries
    Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org>

    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 "kpushbutton.h"

#include <tqdragobject.h>
#include <tqwhatsthis.h>
#include <tqtooltip.h>

#include "config.h"

#include <kglobalsettings.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kipc.h> 
#include <kapplication.h>

class KPushButton::KPushButtonPrivate
{
public:
    KGuiItem item;
    KStdGuiItem::StdItem itemType;
};

bool KPushButton::s_useIcons = false;

KPushButton::KPushButton( TQWidget *parent, const char *name )
    : TQPushButton( parent, name ),
      m_dragEnabled( false )
{
    init( KGuiItem( "" ) );
}

KPushButton::KPushButton( const TQString &text, TQWidget *parent,
                          const char *name)
    : TQPushButton( parent, name ),
      m_dragEnabled( false )
{
    init( KGuiItem( text ) );
}

KPushButton::KPushButton( const TQIconSet &icon, const TQString &text,
                          TQWidget *parent, const char *name )
    : TQPushButton( text, parent, name ),
      m_dragEnabled( false )
{
    init( KGuiItem( text, icon ) );
}

KPushButton::KPushButton( const KGuiItem &item, TQWidget *parent,
                          const char *name )
    : TQPushButton( parent, name ),
      m_dragEnabled( false )
{
    init( item );
}

KPushButton::~KPushButton()
{
    if( d )
    {
        delete d;
        d = 0L;
    }
}

void KPushButton::init( const KGuiItem &item )
{
    d = new KPushButtonPrivate;
    d->item = item;
    d->itemType = (KStdGuiItem::StdItem) 0;

    // call QPushButton's implementation since we don't need to 
    // set the GUI items text or check the state of the icon set
    TQPushButton::setText( d->item.text() );

    static bool initialized = false;
    if ( !initialized ) {
        readSettings();
        initialized = true;
    }

    setIconSet( d->item.iconSet() );

    setSizePolicy( TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Minimum ) );

    TQToolTip::add( this, item.toolTip() );

    TQWhatsThis::add( this, item.whatsThis() );

    if (kapp)
    {
       connect( kapp, TQT_SIGNAL( settingsChanged(int) ),
               TQT_SLOT( slotSettingsChanged(int) ) );
       kapp->addKipcEventMask( KIPC::SettingsChanged );
    }
}

void KPushButton::readSettings()
{
    s_useIcons = KGlobalSettings::showIconsOnPushButtons();
}

void KPushButton::setGuiItem( const KGuiItem& item )
{
    d->item = item;

    // call QPushButton's implementation since we don't need to 
    // set the GUI items text or check the state of the icon set
    TQPushButton::setText( d->item.text() );
    setIconSet( d->item.iconSet() );
    TQWhatsThis::add( this, d->item.whatsThis() );

    // Do not add a tooltip to the button automatically as 99% of the time the
    // tooltip is redundant to the button text and it results in QTipManager
    // invoking an eventHandler on the TQApplication which breaks certain apps
    // like KDesktop which are sensitive to such things
//    TQToolTip::add( this, d->item.toolTip() );
}

void KPushButton::setGuiItem( KStdGuiItem::StdItem item )
{
	setGuiItem( KStdGuiItem::guiItem(item) );
	d->itemType = item;
}

KStdGuiItem::StdItem KPushButton::guiItem() const
{
	return d->itemType;
}

void KPushButton::setText( const TQString &text )
{
    TQPushButton::setText(text);

    // we need to re-evaluate the icon set when the text
    // is removed, or when it is supplied
    if (text.isEmpty() != d->item.text().isEmpty())
        setIconSet(d->item.iconSet());

    d->item.setText(text);
}

void KPushButton::setIconSet( const TQIconSet &iconSet )
{
    d->item.setIconSet(iconSet);

    if ( s_useIcons || text().isEmpty() )
        TQPushButton::setIconSet( iconSet );
    else
        TQPushButton::setIconSet( TQIconSet() );
}

void KPushButton::slotSettingsChanged( int /* category */ )
{
    readSettings();
    setIconSet( d->item.iconSet() );
}

void KPushButton::setDragEnabled( bool enable )
{
    m_dragEnabled = enable;
}

void KPushButton::mousePressEvent( TQMouseEvent *e )
{
    if ( m_dragEnabled )
	startPos = e->pos();
    TQPushButton::mousePressEvent( e );
}

void KPushButton::mouseMoveEvent( TQMouseEvent *e )
{
    if ( !m_dragEnabled )
    {
        TQPushButton::mouseMoveEvent( e );
        return;
    }

    if ( (e->state() & Qt::LeftButton) &&
         (e->pos() - startPos).manhattanLength() >
         KGlobalSettings::dndEventDelay() )
    {
        startDrag();
        setDown( false );
    }
}

TQDragObject * KPushButton::dragObject()
{
    return 0L;
}

void KPushButton::startDrag()
{
    TQDragObject *d = dragObject();
    if ( d )
	d->dragCopy();
}

void KPushButton::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }

#include "kpushbutton.moc"