forked from osmocom/wireshark
363 lines
12 KiB
C++
363 lines
12 KiB
C++
/* display_filter_edit.cpp
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*
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* $Id$
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "globals.h"
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#include <glib.h>
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#include <epan/proto.h>
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#include "display_filter_edit.h"
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#include "ui/utf8_entities.h"
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// platform
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// osx
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// win
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// default
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#if defined(Q_WS_MAC) && 0
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// http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/ApplicationKit/Classes/NSImage_Class/Reference/Reference.html
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// http://www.virtualbox.org/svn/vbox/trunk/src/VBox/Frontends/VirtualBox/src/platform/darwin/UICocoaSpecialControls.mm
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class UIMiniCancelButton: public QAbstractButton
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{
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Q_OBJECT;
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public:
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UIMiniCancelButton(QWidget *pParent = 0);
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void setText(const QString &strText) { m_pButton->setText(strText); }
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void setToolTip(const QString &strTip) { m_pButton->setToolTip(strTip); }
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void removeBorder() {}
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protected:
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void paintEvent(QPaintEvent * /* pEvent */) {}
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void resizeEvent(QResizeEvent *pEvent);
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private:
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UICocoaButton *m_pButton;
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};
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UIMiniCancelButton::UIMiniCancelButton(QWidget *pParent /* = 0 */)
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: QAbstractButton(pParent)
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{
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setShortcut(QKeySequence(Qt::Key_Escape));
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m_pButton = new UICocoaButton(UICocoaButton::CancelButton, this);
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connect(m_pButton, SIGNAL(clicked()),
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this, SIGNAL(clicked()));
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setFixedSize(m_pButton->size());
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}
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#endif
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#ifdef __APPLE__
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#define DEFAULT_MODIFIER QChar(0x2318) // PLACE OF INTEREST SIGN
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#else
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#define DEFAULT_MODIFIER "Ctrl-"
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#endif
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// XXX - We need simplified (button- and dropdown-free) versions for use in dialogs and field-only checking.
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DisplayFilterEdit::DisplayFilterEdit(QWidget *parent, bool plain) :
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QLineEdit(parent), m_plain(plain)
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{
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m_fieldNameOnly = false;
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m_syntaxState = Empty;
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setAccessibleName(tr("Display filter entry"));
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if (m_plain) {
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m_emptyFilterMessage = QString(tr("Enter a display filter %1")).arg(UTF8_HORIZONTAL_ELLIPSIS);
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} else {
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m_emptyFilterMessage = QString(tr("Apply a display filter %1 <%2/>")).arg(UTF8_HORIZONTAL_ELLIPSIS)
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.arg(DEFAULT_MODIFIER);
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}
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// DFCombo
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// Bookmark (star)
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// DispalyFilterEdit
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// Clear button
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// Apply (right arrow) + Cancel (x) + Reload (arrowed circle)
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// Down Arrow
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// XXX - Move bookmark and apply buttons to the toolbar a la Firefox, Chrome & Safari?
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// XXX - Use native buttons on OS X?
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m_bookmarkButton = new QToolButton(this);
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m_bookmarkButton->setCursor(Qt::ArrowCursor);
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m_bookmarkButton->setStyleSheet(QString(
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"QToolButton { /* all types of tool button */"
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" border 0 0 0 0;"
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" border-right: %1px solid gray;"
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" border-top-left-radius: 3px;"
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" border-bottom-left-radius: 3px;"
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" padding-left: 1px;"
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" image: url(:/dfilter/dfilter_bookmark_normal.png);"
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// " background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,"
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// " stop: 0 #f6f7fa, stop: 1 #dadbde);"
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"}"
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"QToolButton:hover {"
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" image: url(:/dfilter/dfilter_bookmark_hover.png);"
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"}"
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"QToolButton:pressed {"
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" image: url(:/dfilter/dfilter_bookmark_pressed.png);"
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"}"
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// "QToolButton:pressed {"
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// " background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,"
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// " stop: 0 #dadbde, stop: 1 #f6f7fa);"
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// "}"
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).arg(m_plain ? 0 : 1)
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);
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connect(m_bookmarkButton, SIGNAL(clicked()), this, SLOT(showDisplayFilterDialog()));
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m_clearButton = new QToolButton(this);
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m_clearButton->setCursor(Qt::ArrowCursor);
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m_clearButton->setStyleSheet(
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"QToolButton {"
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" image: url(:/dfilter/dfilter_erase_normal.png);"
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" border: none;"
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" width: 16px;"
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"}"
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"QToolButton:hover {"
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" image: url(:/dfilter/dfilter_erase_active.png);"
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"}"
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"QToolButton:pressed {"
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" image: url(:/dfilter/dfilter_erase_selected.png);"
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"}"
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);
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m_clearButton->hide();
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connect(m_clearButton, SIGNAL(clicked()), this, SLOT(clear()));
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connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(checkFilter(const QString&)));
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m_applyButton = NULL;
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if (!m_plain) {
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m_applyButton = new QToolButton(this);
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m_applyButton->setCursor(Qt::ArrowCursor);
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m_applyButton->setStyleSheet(
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"QToolButton { /* all types of tool button */"
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" border 0 0 0 0;"
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" border-top-right-radius: 3px;"
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" border-bottom-right-radius: 3px;"
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" padding-right: 1px;"
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" image: url(:/dfilter/dfilter_apply_normal.png);"
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"}"
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"QToolButton:hover {"
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" image: url(:/dfilter/dfilter_apply_hover.png);"
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"}"
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"QToolButton:pressed {"
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" image: url(:/dfilter/dfilter_apply_pressed.png);"
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"}"
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);
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connect(m_applyButton, SIGNAL(clicked()), this, SLOT(applyDisplayFilter()));
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connect(this, SIGNAL(returnPressed()), this, SLOT(applyDisplayFilter()));
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}
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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QSize bksz = m_bookmarkButton->sizeHint();
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QSize cbsz = m_clearButton->sizeHint();
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QSize apsz;
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if (m_applyButton) {
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apsz = m_applyButton->sizeHint();
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} else {
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apsz.setHeight(0); apsz.setWidth(0);
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}
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m_syntaxStyleSheet = QString(
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"DisplayFilterEdit {"
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" padding-left: %1px;"
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" margin-left: %2px;"
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" margin-right: %3px;"
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// " background: transparent;"
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"}"
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// Should the backgrounds fade away on the right?
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// Tango "Scarlet Red"
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"DisplayFilterEdit[syntaxState=\"%4\"] {"
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" color: white;"
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" background-color: rgba(239, 41, 41, 128);"
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"}"
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// Tango "Butter"
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"DisplayFilterEdit[syntaxState=\"%5\"] {"
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" color: black;"
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" background-color: rgba(252, 233, 79, 128);"
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"}"
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// Tango "Chameleon
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"DisplayFilterEdit[syntaxState=\"%6\"] {"
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" color: black;"
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" background-color: rgba(138, 226, 52, 128);"
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"}"
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)
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.arg(frameWidth + 1)
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.arg(bksz.width())
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.arg(cbsz.width() + apsz.width() + frameWidth + 1)
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.arg(Invalid)
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.arg(Deprecated)
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.arg(Valid);
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setStyleSheet(m_syntaxStyleSheet);
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}
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void DisplayFilterEdit::paintEvent(QPaintEvent *evt) {
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QLineEdit::paintEvent(evt);
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// http://wiki.forum.nokia.com/index.php/Custom_QLineEdit
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if (text().isEmpty() && ! this->hasFocus()) {
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QPainter p(this);
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QFont f = font();
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f.setItalic(true);
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p.setFont(f);
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QColor color(palette().color(foregroundRole()));
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color.setAlphaF(0.5);
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p.setPen(color);
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QStyleOptionFrame opt;
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initStyleOption(&opt);
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QRect cr = style()->subElementRect(QStyle::SE_LineEditContents, &opt, this);
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cr.setLeft(cr.left() + 2);
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cr.setRight(cr.right() - 2);
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p.drawText(cr, Qt::AlignLeft|Qt::AlignVCenter, m_emptyFilterMessage);
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}
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// else check filter syntax and set the background accordingly
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// XXX - Should we add little warning/error icons as well?
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}
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void DisplayFilterEdit::resizeEvent(QResizeEvent *)
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{
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QSize cbsz = m_clearButton->sizeHint();
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QSize apsz;
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if (m_applyButton) {
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apsz = m_applyButton->sizeHint();
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} else {
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apsz.setHeight(0); apsz.setWidth(0);
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}
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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m_clearButton->move(rect().right() - frameWidth - cbsz.width() - apsz.width(),
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(rect().bottom() + 1 - cbsz.height())/2);
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if (m_applyButton) {
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m_applyButton->move(rect().right() - frameWidth - apsz.width(),
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(rect().bottom() + 1 - apsz.height())/2);
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}
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}
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void DisplayFilterEdit::checkFilter(const QString& text)
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{
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dfilter_t *dfp;
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GPtrArray *depr = NULL;
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guchar c;
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m_clearButton->setVisible(!text.isEmpty());
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popFilterSyntaxStatus();
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if (m_fieldNameOnly && (c = proto_check_field_name(text.toUtf8().constData()))) {
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m_syntaxState = Invalid;
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emit pushFilterSyntaxStatus(QString().sprintf("Illegal character in field name: '%c'", c));
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} else if (dfilter_compile(text.toUtf8().constData(), &dfp)) {
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if (dfp != NULL) {
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depr = dfilter_deprecated_tokens(dfp);
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}
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if (text.length() < 1) {
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m_syntaxState = Empty;
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} else if (depr) {
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/* You keep using that word. I do not think it means what you think it means. */
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m_syntaxState = Deprecated;
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/*
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* We're being lazy and only printing the first "problem" token.
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* Would it be better to print all of them?
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*/
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emit pushFilterSyntaxWarning(QString().sprintf("\"%s\" may have unexpected results (see the User's Guide)",
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(const char *) g_ptr_array_index(depr, 0)));
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} else {
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m_syntaxState = Valid;
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}
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dfilter_free(dfp);
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} else {
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m_syntaxState = Invalid;
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QString invalidMsg(tr("Invalid filter"));
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if (dfilter_error_msg) {
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invalidMsg.append(QString().sprintf(": %s", dfilter_error_msg));
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}
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emit pushFilterSyntaxStatus(invalidMsg);
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}
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setStyleSheet(m_syntaxStyleSheet);
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if (m_applyButton) {
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m_applyButton->setEnabled(m_syntaxState == Empty || m_syntaxState == Valid);
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}
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}
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void DisplayFilterEdit::showDisplayFilterDialog()
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{
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g_log(NULL, G_LOG_LEVEL_DEBUG, "FIX: implement display filter dialog for \"%s\"", this->text().toUtf8().constData());
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}
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void DisplayFilterEdit::applyDisplayFilter()
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{
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QString dfString(text());
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gchar *dftext = NULL;
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cf_status_t cf_status;
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if (m_syntaxState != Valid && m_syntaxState != Empty) {
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return;
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}
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if (dfString.length() > 0)
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dftext = g_strdup(dfString.toUtf8().constData());
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cf_status = cf_filter_packets(&cfile, dftext, FALSE);
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g_free(dftext);
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if (cf_status == CF_OK) {
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if (m_applyButton) {
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m_applyButton->setEnabled(false);
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}
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if (dfString.length() < 1) {
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// gtk_widget_set_sensitive (g_object_get_data (G_OBJECT(filter_cm), E_DFILTER_CLEAR_KEY), FALSE);
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// gtk_widget_set_sensitive (g_object_get_data (G_OBJECT(filter_cm), E_DFILTER_SAVE_KEY), FALSE);
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}
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}
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if (cf_status == CF_OK && dfString.length() > 0) {
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// int index;
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g_log(NULL, G_LOG_LEVEL_DEBUG, "FIX: add \"%s\" to recent display filters", this->text().toUtf8().constData());
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// if(!dfilter_entry_match(filter_cm,s, &index)){
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// gtk_combo_box_text_prepend_text(GTK_COMBO_BOX_TEXT(filter_cm), s);
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// index++;
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// }
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// while ((guint)index >= prefs.gui_recent_df_entries_max){
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// gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(filter_cm), index);
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// index--;
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// }
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}
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}
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