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/*
kCalculator, a simple scientific calculator for KDE
Copyright (C) 1996-2000 Bernd Johannes Wuebben
wuebben@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; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <tqsimplerichtext.h>
#include <tqtooltip.h>
#include <tqpainter.h>
#include "tqdom.h"
#include "kcalc_button.h"
KCalcButton::KCalcButton(TQWidget * parent, const char * name)
: KPushButton(parent, name), _show_accel_mode(false),
_mode_flags(ModeNormal)
{
setAutoDefault(false);
}
KCalcButton::KCalcButton(const TQString &label, TQWidget * parent,
const char * name, const TQString &tooltip)
: KPushButton(label, parent, name), _show_accel_mode(false), _mode_flags(ModeNormal)
{
setAutoDefault(false);
addMode(ModeNormal, label, tooltip);
}
void KCalcButton::addMode(ButtonModeFlags mode, TQString label, TQString tooltip, bool is_label_richtext)
{
if (_mode.contains(mode)) _mode.remove(mode);
_mode[mode] = ButtonMode(label, tooltip, is_label_richtext);
// Need to put each button into default mode first
if(mode == ModeNormal) slotSetMode(ModeNormal, true);
}
void KCalcButton::slotSetMode(ButtonModeFlags mode, bool flag)
{
ButtonModeFlags new_mode;
if (flag) { // if the specified mode is to be set (i.e. flag = true)
new_mode = ButtonModeFlags(_mode_flags | mode);
} else if (_mode_flags && mode) { // if the specified mode is to be cleared (i.e. flag = false)
new_mode = ButtonModeFlags(_mode_flags - mode);
} else {
return; // nothing to do
}
if (_mode.contains(new_mode)) {
// save accel, because setting label erases accel
TQKeySequence _accel = accel();
if(_mode[new_mode].is_label_richtext)
_label = _mode[new_mode].label;
else
setText(_mode[new_mode].label);
TQToolTip::remove(this);
TQToolTip::add(this, _mode[new_mode].tooltip);
_mode_flags = new_mode;
// restore accel
setAccel(_accel);
}
// this is necessary for people pressing CTRL and changing mode at
// the same time...
if (_show_accel_mode) slotSetAccelDisplayMode(true);
update();
}
static TQString escape(TQString str)
{
str.replace('&', "&&");
return str;
}
void KCalcButton::slotSetAccelDisplayMode(bool flag)
{
_show_accel_mode = flag;
// save accel, because setting label erases accel
TQKeySequence _accel = accel();
if (flag == true) {
setText(escape(TQString(accel())));
} else {
setText(_mode[_mode_flags].label);
}
// restore accel
setAccel(_accel);
}
void KCalcButton::paintLabel(TQPainter *paint)
{
if (_mode[_mode_flags].is_label_richtext) {
TQSimpleRichText _text(_label, font());
_text.draw(paint, width()/2-_text.width()/2, 0, childrenRegion(), colorGroup());
} else {
KPushButton::drawButtonLabel(paint);
}
}
void KCalcButton::drawButtonLabel(TQPainter *paint)
{
if (_show_accel_mode) {
KPushButton::drawButtonLabel(paint);
} else if (_mode.contains(_mode_flags)) {
paintLabel(paint);
}
}
void KSquareButton::paintLabel(TQPainter *paint)
{
int w = width();
int w2 = w/2 - 13;
int h = height();
int h2 = h/2 - 7;
// in some KDE-styles (.NET, Phase,...) we have to set the painter back to the right color
paint->setPen(foregroundColor());
// these statements are for the improved
// representation of the sqrt function
paint->drawLine(w2, 11 + h2, w2 + 2, 7 + h2);
paint->drawLine(w2 + 2, 7 + h2, w2 + 4, 14 + h2);
paint->drawLine(w2 + 4, 14 + h2, w2 + 6, 1 + h2);
paint->drawLine(w2 + 6, 1 + h2, w2 + 27, 1 + h2);
paint->drawLine(w2 + 27, 1 + h2, w2 + 27, 4 + h2);
// add a three for the cube root
if (_mode_flags & ModeInverse) {
paint->drawText(w2-2, 9 + h2, TQString("³"));
}
}
void KSquareButton::drawButtonLabel(TQPainter *paint)
{
if (_show_accel_mode) {
KPushButton::drawButtonLabel(paint);
} else if (_mode.contains(_mode_flags)) {
paintLabel(paint);
}
}
#include "kcalc_button.moc"
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