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/* interface_toolbar_lineedit.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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 "config.h"
#include "interface_toolbar_lineedit.h"
#include "stock_icon_tool_button.h"
#include "epan/prefs.h"
#include "color_utils.h"
#include <QStyle>
// To do:
// - Make a narrower apply button
InterfaceToolbarLineEdit::InterfaceToolbarLineEdit(QWidget *parent, QString validation_regex, bool is_required) :
QLineEdit(parent),
validation_regex_(validation_regex),
is_required_(is_required),
text_edited_(false)
{
apply_button_ = new StockIconToolButton(this, "x-filter-apply");
apply_button_->setCursor(Qt::ArrowCursor);
apply_button_->setEnabled(false);
apply_button_->setToolTip(tr("Apply changes"));
apply_button_->setIconSize(QSize(24, 14));
apply_button_->setStyleSheet(
"QToolButton {"
" border: none;"
" background: transparent;" // Disables platform style on Windows.
" padding: 0 0 0 0;"
"}"
);
updateStyleSheet(isValid());
connect(this, SIGNAL(textChanged(const QString &)), this, SLOT(validateText()));
connect(this, SIGNAL(textEdited(const QString &)), this, SLOT(validateEditedText()));
connect(this, SIGNAL(returnPressed()), this, SLOT(applyEditedText()));
connect(apply_button_, SIGNAL(clicked()), this, SLOT(applyEditedText()));
}
void InterfaceToolbarLineEdit::validateText()
{
bool valid = isValid();
apply_button_->setEnabled(valid);
updateStyleSheet(valid);
}
void InterfaceToolbarLineEdit::validateEditedText()
{
text_edited_ = true;
}
void InterfaceToolbarLineEdit::applyEditedText()
{
if (text_edited_ && isValid())
{
emit editedTextApplied();
disableApplyButton();
}
}
void InterfaceToolbarLineEdit::disableApplyButton()
{
apply_button_->setEnabled(false);
text_edited_ = false;
}
bool InterfaceToolbarLineEdit::isValid()
{
bool valid = true;
if (is_required_ && text().length() == 0)
{
valid = false;
}
if (!validation_regex_.isEmpty() && text().length() > 0)
{
QRegExp expr(validation_regex_);
if (!expr.isValid() || expr.indexIn(text(), 0) == -1)
{
valid = false;
}
}
return valid;
}
void InterfaceToolbarLineEdit::updateStyleSheet(bool is_valid)
{
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
QSize apsz = apply_button_->sizeHint();
QString style_sheet = QString(
"InterfaceToolbarLineEdit {"
" padding-right: %1px;"
" background-color: %2;"
"}"
)
.arg(apsz.width() + frameWidth)
.arg(is_valid ? QString("") : ColorUtils::fromColorT(prefs.gui_text_invalid).name());
setStyleSheet(style_sheet);
}
void InterfaceToolbarLineEdit::resizeEvent(QResizeEvent *)
{
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
QSize apsz = apply_button_->sizeHint();
apply_button_->move(contentsRect().right() - frameWidth - apsz.width() + 2,
contentsRect().top());
apply_button_->setMinimumHeight(contentsRect().height());
apply_button_->setMaximumHeight(contentsRect().height());
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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