summaryrefslogtreecommitdiffstats
path: root/klipper/klipperpopup.cpp
blob: 3e1db75bd82dbf4dc0d3ea5da3c51595ebefc45d (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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*-
/* This file is part of the KDE project
   Copyright (C) 2004  Esben Mose Hansen <kde@mosehansen.dk>
   Copyright (C) by Andrew Stanley-Jones
   Copyright (C) 2000 by Carsten Pfeiffer <pfeiffer@kde.org>

   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; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#include <kmessagebox.h>
#include <khelpmenu.h>
#include <kiconloader.h>
#include <klineedit.h>

#include <klocale.h>
#include <kaction.h>
#include <kglobalsettings.h>
#include <twin.h>
#include <kapplication.h>
#include <kglobalsettings.h>
#include <kdebug.h>

#include "klipperpopup.h"
#include "history.h"
#include "toplevel.h"
#include "popupproxy.h"

namespace {
    static const int TOP_HISTORY_ITEM_INDEX = 2;
}

// #define DEBUG_EVENTS__

#ifdef DEBUG_EVENTS__
kdbgstream& operator<<( kdbgstream& stream,  const TQKeyEvent& e ) {
    stream << "(TQKeyEvent(text=" << e.text() << ",key=" << e.key() << ( e.isAccepted()?",accepted":",ignored)" ) << ",count=" << e.count();
    if ( e.state() & Qt::AltButton ) {
        stream << ",ALT";
    }
    if ( e.state() & Qt::ControlButton ) {
        stream << ",CTRL";
    }
    if ( e.state() & Qt::MetaButton ) {
        stream << ",META";
    }
    if ( e.state() & Qt::ShiftButton ) {
        stream << ",SHIFT";
    }
    if ( e.isAutoRepeat() ) {
        stream << ",AUTOREPEAT";
    }
    stream << ")";

    return stream;
}
#endif

/**
 * Exactly the same as KLineEdit, except that ALL key events are swallowed.
 *
 * We need this to avoid infinite loop when sending events to the search widget
 */
class KLineEditBlackKey : public KLineEdit {
public:
    KLineEditBlackKey(const TQString& string, TQWidget* parent, const char* name )
        : KLineEdit( string, parent, name )
        {}

    KLineEditBlackKey( TQWidget* parent, const char* name )
        : KLineEdit( parent, name )
        {}

    ~KLineEditBlackKey() {
    }
protected:
    virtual void keyPressEvent( TQKeyEvent* e ) {
        KLineEdit::keyPressEvent( e );
        e->accept();

    }

};

KlipperPopup::KlipperPopup( History* history, TQWidget* parent, const char* name )
    : KPopupMenu( parent, name ),
      m_dirty( true ),
      QSempty( i18n( "<empty clipboard>" ) ),
      QSnomatch( i18n( "<no matches>" ) ),
      m_history( history ),
      helpmenu( new KHelpMenu( this,  KlipperWidget::aboutData(), false ) ),
      m_popupProxy( 0 ),
      m_filterWidget( 0 ),
      m_filterWidgetId( 10 ),
      n_history_items( 0 )
{
    KWin::WindowInfo i = KWin::windowInfo( winId(), NET::WMGeometry );
    TQRect g = i.geometry();
    TQRect screen = TDEGlobalSettings::desktopGeometry(g.center());
    int menu_height = ( screen.height() ) * 3/4;
    int menu_width = ( screen.width() )  * 1/3;

    m_popupProxy = new PopupProxy( this, "popup_proxy", menu_height, menu_width );

    connect( this, TQT_SIGNAL( aboutToShow() ), TQT_SLOT( slotAboutToShow() ) );
}

KlipperPopup::~KlipperPopup() {

}

void KlipperPopup::slotAboutToShow() {
    if ( m_filterWidget ) {
        if ( !m_filterWidget->text().isEmpty() ) {
            m_dirty = true;
            m_filterWidget->clear();
            setItemVisible( m_filterWidgetId,  false );
            m_filterWidget->hide();
        }
    }
    ensureClean();

}

void KlipperPopup::ensureClean() {
    // If the history is unchanged since last menu build, the is no reason
    // to rebuild it,
    if ( m_dirty ) {
        rebuild();
    }

}

void KlipperPopup::buildFromScratch() {
    m_filterWidget = new KLineEditBlackKey( this, "Klipper filter widget" );
    insertTitle( SmallIcon( "klipper" ), i18n("Klipper - Clipboard Tool"));
    m_filterWidgetId = insertItem( m_filterWidget, m_filterWidgetId, 1 );
    m_filterWidget->setFocusPolicy( TQ_NoFocus );
    setItemVisible( m_filterWidgetId,  false );
    m_filterWidget->hide();
    TQString lastGroup;

    // Bit of a hack here. It would be better of KHelpMenu could be an action.
    //    Insert Help-menu at the butttom of the "default" group.
    TQString group;
    TQString defaultGroup( "default" );
    for ( KAction* action = m_actions.first(); action; action = m_actions.next() ) {
        group = action->group();
        if ( group != lastGroup ) {
            if ( lastGroup == defaultGroup ) {
                insertItem( SmallIconSet("help"), KStdGuiItem::help().text(), helpmenu->menu() );
            }
            insertSeparator();
        }
        lastGroup = group;
        action->plug( this,  -1 );
    }

    if ( TDEGlobalSettings::insertTearOffHandle() ) {
        insertTearOffHandle();
    }

}

void KlipperPopup::rebuild( const TQString& filter ) {

    bool from_scratch = ( count() == 0 );
    if ( from_scratch ) {
        buildFromScratch();
    } else {
        for ( int i=0; i<n_history_items; i++ ) {
            removeItemAt( TOP_HISTORY_ITEM_INDEX );
        }
    }

    TQRegExp filterexp( filter );
    if ( filterexp.isValid() ) {
        m_filterWidget->setPaletteForegroundColor( paletteForegroundColor() );
    } else {
        m_filterWidget->setPaletteForegroundColor( TQColor( "red" ) );
    }
    n_history_items = m_popupProxy->buildParent( TOP_HISTORY_ITEM_INDEX, filterexp );

    if ( n_history_items == 0 ) {
        if ( m_history->empty() ) {
            insertItem( QSempty, -1, TOP_HISTORY_ITEM_INDEX  );
        } else {
            insertItem( QSnomatch, -1, TOP_HISTORY_ITEM_INDEX );
        }
        n_history_items++;
    } else {
        if ( history()->topIsUserSelected() ) {
            int id = idAt( TOP_HISTORY_ITEM_INDEX );
            if ( id != -1 ) {
                setItemChecked( id,true );
            }
        }
    }


    m_dirty = false;

}

void KlipperPopup::plugAction( KAction* action ) {
    m_actions.append( action );
}




/* virtual */
void KlipperPopup::keyPressEvent( TQKeyEvent* e ) {
    // If alt-something is pressed, select a shortcut
    // from the menu. Do this by sending a keyPress
    // without the alt-modifier to the superobject.
    if ( e->state() & AltButton ) {
        TQKeyEvent ke( TQEvent::KeyPress,
                      e->key(),
                      e->ascii(),
                      e->state() ^ AltButton,
                      e->text(),
                      e->isAutoRepeat(),
                      e->count() );
        KPopupMenu::keyPressEvent( &ke );
#ifdef DEBUG_EVENTS__
        kdDebug() << "Passing this event to ancestor (KPopupMenu): " << e "->" << ke << endl;
#endif
        if ( ke.isAccepted() ) {
            e->accept();
            return;
        } else {
            e->ignore();
        }
    }

    // Otherwise, send most events to the search
    // widget, except a few used for navigation:
    // These go to the superobject.
    switch( e->key() ) {
    case Qt::Key_Up:
    case Qt::Key_Down:
    case Qt::Key_Right:
    case Qt::Key_Left:
    case Qt::Key_Tab:
    case Qt::Key_Backtab:
    case Qt::Key_Escape:
    case Qt::Key_Return:
    case Qt::Key_Enter:
    {
#ifdef DEBUG_EVENTS__
        kdDebug() << "Passing this event to ancestor (KPopupMenu): " << e << endl;
#endif
        KPopupMenu::keyPressEvent( e );
        if ( isItemActive( m_filterWidgetId ) ) {
            setActiveItem( TOP_HISTORY_ITEM_INDEX );
        }
        break;
    }
    default:
    {
#ifdef DEBUG_EVENTS__
        kdDebug() << "Passing this event down to child (KLineEdit): " << e << endl;
#endif
	TQString lastString = m_filterWidget->text();
        TQApplication::sendEvent( m_filterWidget, e );
        if ( m_filterWidget->text().isEmpty() ) {
            if ( isItemVisible( m_filterWidgetId ) )
            {
                setItemVisible( m_filterWidgetId, false );
                m_filterWidget->hide();
            }
        }
        else if ( !isItemVisible( m_filterWidgetId ) )
        {
            setItemVisible( m_filterWidgetId, true );
            m_filterWidget->show();

        }
	if ( m_filterWidget->text() != lastString) {
            slotHistoryChanged();
            rebuild( m_filterWidget->text() );
	}
        break;

    } //default:
    } //case

}



#include "klipperpopup.moc"