124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/* interface_toolbar_lineedit.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <ui/qt/widgets/interface_toolbar_lineedit.h>
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#include <ui/qt/widgets/stock_icon_tool_button.h>
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#include "epan/prefs.h"
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#include <ui/qt/utils/color_utils.h>
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#include <QStyle>
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// To do:
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// - Make a narrower apply button
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InterfaceToolbarLineEdit::InterfaceToolbarLineEdit(QWidget *parent, QString validation_regex, bool is_required) :
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QLineEdit(parent),
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regex_expr_(validation_regex, QRegularExpression::UseUnicodePropertiesOption),
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is_required_(is_required),
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text_edited_(false)
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{
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apply_button_ = new StockIconToolButton(this, "x-filter-apply");
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apply_button_->setCursor(Qt::ArrowCursor);
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apply_button_->setEnabled(false);
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apply_button_->setToolTip(tr("Apply changes"));
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apply_button_->setIconSize(QSize(24, 14));
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apply_button_->setStyleSheet(
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"QToolButton {"
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" border: none;"
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" background: transparent;" // Disables platform style on Windows.
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" padding: 0 0 0 0;"
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"}"
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);
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updateStyleSheet(isValid());
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connect(this, &InterfaceToolbarLineEdit::textChanged, this, &InterfaceToolbarLineEdit::validateText);
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connect(this, &InterfaceToolbarLineEdit::textEdited, this, &InterfaceToolbarLineEdit::validateEditedText);
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connect(this, &InterfaceToolbarLineEdit::returnPressed, this, &InterfaceToolbarLineEdit::applyEditedText);
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connect(apply_button_, &StockIconToolButton::clicked, this, &InterfaceToolbarLineEdit::applyEditedText);
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}
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void InterfaceToolbarLineEdit::validateText()
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{
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bool valid = isValid();
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apply_button_->setEnabled(valid);
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updateStyleSheet(valid);
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}
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void InterfaceToolbarLineEdit::validateEditedText()
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{
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text_edited_ = true;
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}
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void InterfaceToolbarLineEdit::applyEditedText()
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{
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if (text_edited_ && isValid())
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{
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emit editedTextApplied();
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disableApplyButton();
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}
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}
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void InterfaceToolbarLineEdit::disableApplyButton()
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{
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apply_button_->setEnabled(false);
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text_edited_ = false;
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}
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bool InterfaceToolbarLineEdit::isValid()
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{
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bool valid = true;
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if (is_required_ && text().length() == 0)
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{
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valid = false;
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}
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if (!regex_expr_.pattern().isEmpty() && text().length() > 0)
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{
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if (!regex_expr_.isValid() || !regex_expr_.match(text()).hasMatch())
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{
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valid = false;
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}
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}
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return valid;
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}
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void InterfaceToolbarLineEdit::updateStyleSheet(bool is_valid)
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{
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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QSize apsz = apply_button_->sizeHint();
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QString style_sheet = QString(
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"InterfaceToolbarLineEdit {"
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" padding-right: %1px;"
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" background-color: %2;"
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"}"
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)
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.arg(apsz.width() + frameWidth)
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.arg(is_valid || !isEnabled() ? QString("") : ColorUtils::fromColorT(prefs.gui_text_invalid).name());
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setStyleSheet(style_sheet);
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}
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void InterfaceToolbarLineEdit::resizeEvent(QResizeEvent *)
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{
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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QSize apsz = apply_button_->sizeHint();
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apply_button_->move(contentsRect().right() - frameWidth - apsz.width() + 2,
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contentsRect().top());
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apply_button_->setMinimumHeight(contentsRect().height());
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apply_button_->setMaximumHeight(contentsRect().height());
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}
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