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// *************************************************************************
// gdboutputwidget.cpp - description
// -------------------
// begin : 10th April 2003
// copyright : (C) 2003 by John Birch
// email : jbb@kdevelop.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. *
// * *
// **************************************************************************
#include "gdboutputwidget.h"
#include "dbgcontroller.h"
#include <kcombobox.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kpopupmenu.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqtextedit.h>
#include <tqtoolbutton.h>
#include <tqtooltip.h>
#include <tqapplication.h>
#include <tqclipboard.h>
#include <tqdom.h>
namespace GDBDebugger
{
/***************************************************************************/
GDBOutputWidget::GDBOutputWidget( TQWidget *parent, const char *name) :
TQWidget(parent, name),
m_userGDBCmdEditor(0),
m_Interrupt(0),
m_gdbView(0),
showInternalCommands_(false),
maxLines_(5000)
{
m_gdbView = new OutputText(this);
m_gdbView->setTextFormat(TQTextEdit::LogText);
TQBoxLayout *userGDBCmdEntry = new TQHBoxLayout();
m_userGDBCmdEditor = new KHistoryCombo (this, "gdb-user-cmd-editor");
TQLabel *label = new TQLabel(i18n("&GDB cmd:"), this);
label->setBuddy(m_userGDBCmdEditor);
userGDBCmdEntry->addWidget(label);
userGDBCmdEntry->addWidget(m_userGDBCmdEditor);
userGDBCmdEntry->setStretchFactor(m_userGDBCmdEditor, 1);
m_Interrupt = new TQToolButton( this, "add breakpoint" );
m_Interrupt->setSizePolicy ( TQSizePolicy ( (TQSizePolicy::SizeType)0,
( TQSizePolicy::SizeType)0,
0,
0,
m_Interrupt->sizePolicy().hasHeightForWidth())
);
m_Interrupt->setPixmap ( SmallIcon ( "player_pause" ) );
userGDBCmdEntry->addWidget(m_Interrupt);
TQToolTip::add ( m_Interrupt, i18n ( "Pause execution of the app to enter gdb commands" ) );
TQVBoxLayout *topLayout = new TQVBoxLayout(this, 2);
topLayout->addWidget(m_gdbView, 10);
topLayout->addLayout(userGDBCmdEntry);
slotDbgStatus( "", s_dbgNotStarted);
connect( m_userGDBCmdEditor, TQT_SIGNAL(returnPressed()), TQT_SLOT(slotGDBCmd()) );
connect( m_Interrupt, TQT_SIGNAL(clicked()), TQT_SIGNAL(breakInto()));
connect( &updateTimer_, TQT_SIGNAL(timeout()),
this, TQT_SLOT(flushPending()));
}
/***************************************************************************/
GDBOutputWidget::~GDBOutputWidget()
{
delete m_gdbView;
delete m_userGDBCmdEditor;
}
/***************************************************************************/
void GDBOutputWidget::clear()
{
if (m_gdbView)
m_gdbView->clear();
userCommands_.clear();
allCommands_.clear();
}
/***************************************************************************/
void GDBOutputWidget::slotInternalCommandStdout(const char* line)
{
newStdoutLine(line, true);
}
void GDBOutputWidget::slotUserCommandStdout(const char* line)
{
newStdoutLine(line, false);
}
namespace {
TQString colorify(TQString text, const TQString& color)
{
// Make sure the newline is at the end of the newly-added
// string. This is so that we can always correctly remove
// newline inside 'flushPending'.
Q_ASSERT(text.endsWith("\n"));
if (text.endsWith("\n"))
{
text.remove(text.length()-1, 1);
}
text = "<font color=\"" + color + "\">" + text + "</font>\n";
return text;
}
}
void GDBOutputWidget::newStdoutLine(const TQString& line,
bool internal)
{
TQString s = html_escape(line);
if (s.startsWith("(gdb)"))
{
s = colorify(s, "blue");
}
allCommands_.append(s);
allCommandsRaw_.append(line);
trimList(allCommands_, maxLines_);
trimList(allCommandsRaw_, maxLines_);
if (!internal)
{
userCommands_.append(s);
userCommandsRaw_.append(line);
trimList(userCommands_, maxLines_);
trimList(userCommandsRaw_, maxLines_);
}
if (!internal || showInternalCommands_)
showLine(s);
}
void GDBOutputWidget::showLine(const TQString& line)
{
pendingOutput_ += line;
// To improve performance, we update the view after some delay.
if (!updateTimer_.isActive())
{
updateTimer_.start(100, true /* single shot */);
}
}
void GDBOutputWidget::trimList(TQStringList& l, unsigned max_size)
{
unsigned int length = l.count();
if (length > max_size)
{
for(int to_delete = length - max_size; to_delete; --to_delete)
{
l.erase(l.begin());
}
}
}
void GDBOutputWidget::setShowInternalCommands(bool show)
{
if (show != showInternalCommands_)
{
showInternalCommands_ = show;
// Set of strings to show changes, text edit still has old
// set. Refresh.
m_gdbView->clear();
TQStringList& newList =
showInternalCommands_ ? allCommands_ : userCommands_;
TQStringList::iterator i = newList.begin(), e = newList.end();
for(; i != e; ++i)
{
// Note that color formatting is already applied to '*i'.
showLine(*i);
}
}
}
/***************************************************************************/
void GDBOutputWidget::slotReceivedStderr(const char* line)
{
TQString colored = colorify(html_escape(line), "red");
// Errors are shown inside user commands too.
allCommands_.append(colored);
trimList(allCommands_, maxLines_);
userCommands_.append(colored);
trimList(userCommands_, maxLines_);
allCommandsRaw_.append(line);
trimList(allCommandsRaw_, maxLines_);
userCommandsRaw_.append(line);
trimList(userCommandsRaw_, maxLines_);
showLine(colored);
}
/***************************************************************************/
void GDBOutputWidget::slotGDBCmd()
{
TQString GDBCmd(m_userGDBCmdEditor->currentText());
if (!GDBCmd.isEmpty())
{
m_userGDBCmdEditor->addToHistory(GDBCmd);
m_userGDBCmdEditor->clearEdit();
emit userGDBCmd(GDBCmd);
}
}
void GDBOutputWidget::flushPending()
{
m_gdbView->setUpdatesEnabled(false);
// TQTextEdit adds newline after paragraph automatically.
// So, remove trailing newline to avoid double newlines.
if (pendingOutput_.endsWith("\n"))
pendingOutput_.remove(pendingOutput_.length()-1, 1);
Q_ASSERT(!pendingOutput_.endsWith("\n"));
m_gdbView->append(pendingOutput_);
pendingOutput_ = "";
m_gdbView->scrollToBottom();
m_gdbView->setUpdatesEnabled(true);
m_gdbView->update();
m_userGDBCmdEditor->setFocus();
}
/***************************************************************************/
void GDBOutputWidget::slotDbgStatus(const TQString &, int statusFlag)
{
if (statusFlag & s_dbgNotStarted)
{
m_Interrupt->setEnabled(false);
m_userGDBCmdEditor->setEnabled(false);
return;
}
else
{
m_Interrupt->setEnabled(true);
}
if (statusFlag & s_dbgBusy)
{
m_userGDBCmdEditor->setEnabled(false);
}
else
{
m_userGDBCmdEditor->setEnabled(true);
}
}
/***************************************************************************/
void GDBOutputWidget::focusInEvent(TQFocusEvent */*e*/)
{
m_gdbView->scrollToBottom();
m_userGDBCmdEditor->setFocus();
}
TQString GDBOutputWidget::html_escape(const TQString& s)
{
TQString r(s);
r.replace("<", "<");
r.replace(">", ">");
return r;
}
void GDBOutputWidget::savePartialProjectSession(TQDomElement* el)
{
TQDomDocument doc = el->ownerDocument();
TQDomElement showInternal = doc.createElement("showInternalCommands");
showInternal.setAttribute("value", TQString::number(showInternalCommands_));
el->appendChild(showInternal);
}
void GDBOutputWidget::restorePartialProjectSession(const TQDomElement* el)
{
TQDomElement showInternal =
el->namedItem("showInternalCommands").toElement();
if (!showInternal.isNull())
{
showInternalCommands_ = showInternal.attribute("value", "0").toInt();
}
}
//void OutputText::contextMenuEvent(TQContextMenuEvent* e)
TQPopupMenu* OutputText::createPopupMenu(const TQPoint&)
{
KPopupMenu* popup = new KPopupMenu;
int id = popup->insertItem(i18n("Show Internal Commands"),
this,
TQT_SLOT(toggleShowInternalCommands()));
popup->setItemChecked(id, parent_->showInternalCommands_);
popup->setWhatsThis(
id,
i18n(
"Controls if commands issued internally by KDevelop "
"will be shown or not.<br>"
"This option will affect only future commands, it will not "
"add or remove already issued commands from the view."));
popup->insertItem(i18n("Copy All"),
this,
TQT_SLOT(copyAll()));
return popup;
}
void OutputText::copyAll()
{
/* See comments for allCommandRaw_ for explanations of
this complex logic, as opposed to calling text(). */
TQStringList& raw = parent_->showInternalCommands_ ?
parent_->allCommandsRaw_ : parent_->userCommandsRaw_;
TQString text;
for (unsigned i = 0; i < raw.size(); ++i)
text += raw[i];
// Make sure the text is pastable both with Ctrl-C and with
// middle click.
TQApplication::tqclipboard()->setText(text, TQClipboard::Clipboard);
TQApplication::tqclipboard()->setText(text, TQClipboard::Selection);
}
void OutputText::toggleShowInternalCommands()
{
parent_->setShowInternalCommands(!parent_->showInternalCommands_);
}
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
}
#include "gdboutputwidget.moc"
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