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/*
$Id: spin.cpp,v 1.2 1997/11/09 22:59:09 wuebben Exp $
KNotes - Notes for the KDE Project
Copyright (C) 1997 Bernd Johannes Wuebben
wuebben@math.cornell.edu
wuebben@kde.org
This class is a modified version of a class found in:
qtremind - an X windows appoint reminder program.
Copyright (C) 1997 Tom Daley
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <qbitmap.h>
#include <qtimer.h>
#include <spin.h>
#include "up.xbm"
#include "down.xbm"
QtedSetInt::QtedSetInt(int min, int max, int start_value, int format,
QWidget *parent, const char *name) :
QWidget(parent, name), _min(min), _max(max),
_format(format), _up_timer_p(NULL), _dn_timer_p(NULL) {
if (_max <_min) // make sure numbers make sense
_max = _min;
QString str;
str.sprintf("%d", _min); // find the max number string length
_length = str.length();
str.sprintf("%d", _max);
if ((int)str.length() > _length)
_length = str.length();
_upButton_p = new QPushButton(this);
QBitmap up_bm(up_arrow_width, up_arrow_height, up_arrow_bits, TRUE);
_upButton_p->setPixmap(up_bm);
_upButton_p->setAutoResize(TRUE);
_dnButton_p = new QPushButton(this);
QBitmap dn_bm(dn_arrow_width, dn_arrow_height, dn_arrow_bits, TRUE);
_dnButton_p->setPixmap(dn_bm);
_dnButton_p->setAutoResize(TRUE);
_label_p = new QLabel("Foo", this);
_label_p->setAlignment(AlignCenter);
_label_p->setLineWidth(2);
_label_p->setFrameStyle(QFrame::Panel | QFrame::Sunken);
// _label_p->setBackgroundColor(white);
value(start_value);
setSize();
connect(_upButton_p, SIGNAL(pressed()), this, SLOT(upPressed()));
connect(_upButton_p, SIGNAL(released()), this, SLOT(upReleased()));
connect(_dnButton_p, SIGNAL(pressed()), this, SLOT(dnPressed()));
connect(_dnButton_p, SIGNAL(released()), this, SLOT(dnReleased()));
}
//*****************************************************************************
void QtedSetInt::
setSize(void) {
int num_wid;// mid_wid;
int bt_sz = 13;
int w, mid_w, label_h;
label_h = fontMetrics().lineSpacing () + 2 * _label_p->frameWidth();
num_wid = fontMetrics().maxWidth() * _length;
num_wid += 2 * _label_p->frameWidth();
if (num_wid > bt_sz * 2)
w = num_wid;
else
w = bt_sz * 2;
mid_w = w / 2;
_label_p->setGeometry(0, 0, w, label_h);
_upButton_p->setGeometry(mid_w - bt_sz, label_h +2, bt_sz, bt_sz);
_dnButton_p->setGeometry(mid_w, label_h +2, bt_sz, bt_sz);
setFixedSize(w, label_h + bt_sz +2);
}
//*****************************************************************************
void QtedSetInt::
setText(void) {
QString str;
switch (_format) {
case RightJustified:
str.sprintf("%*d", _length, _value);
break;
case Centered:
str.sprintf("%d", _value);
break;
case ZeroFilled:
str.sprintf("%0*d", _length, _value);
break;
}
_label_p->setText(str);
}
//*****************************************************************************
void QtedSetInt::
value(int the_value) {
if (the_value < _min)
_value = _min;
else if (the_value > _max)
_value = _max;
else
_value = the_value;
setText();
}
//*****************************************************************************
void QtedSetInt::
upPressed() {
incValue();
if (_up_timer_p == NULL) {
_up_timer_p= new QTimer(this);
connect(_up_timer_p, SIGNAL(timeout()), this, SLOT(upRepeat()));
}
if (_value == _max)
_up_timer_p->stop();
else
_up_timer_p->changeInterval((int)(0.25 * 1000));
}
//*****************************************************************************
void QtedSetInt::
upReleased() {
_up_timer_p->stop();
}
//*****************************************************************************
void QtedSetInt::
upRepeat() {
incValue();
if (_value == _max)
_up_timer_p->stop();
else
_up_timer_p->changeInterval((int)(0.033 * 1000));
}
//*****************************************************************************
void QtedSetInt::
dnPressed() {
decValue();
if (_dn_timer_p == NULL) {
_dn_timer_p= new QTimer(this);
connect(_dn_timer_p, SIGNAL(timeout()), this, SLOT(dnRepeat()));
}
if (_value == _min)
_dn_timer_p->stop();
else
_dn_timer_p->changeInterval((int)(0.25 * 1000));
}
//*****************************************************************************
void QtedSetInt::
dnReleased() {
_dn_timer_p->stop();
}
//*****************************************************************************
void QtedSetInt::
dnRepeat() {
decValue();
if (_value == _min)
_dn_timer_p->stop();
else
_dn_timer_p->changeInterval((int)(0.033 * 1000));
}
//*****************************************************************************
void QtedSetInt::
incValue(void) {
if (_value < _max) {
_value++;
setText();
}
}
//*****************************************************************************
void QtedSetInt::
decValue(void) {
if (_value > _min) {
_value--;
setText();
}
}
//*****************************************************************************
#include "spin.moc"
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