memcheck_view.cpp

Linux平台下的内核及程序调试器

/* ---------------------------------------------------------------------
 * Implementation of MemcheckView                      memcheck_view.cpp
 * Memcheck's personal window
 * ---------------------------------------------------------------------
 * This file is part of Valkyrie, a front-end for Valgrind
 * Copyright (c) 2000-2006, OpenWorks LLP <[e-mail]>
 * This program is released under the terms of the GNU GPL v.2
 * See the file LICENSE.GPL for the full license details.
 */

#include "memcheck_view.h"

#include "vk_config.h"
#include "memcheck_icons.h"
#include "async_process.h"
#include "vk_messages.h"
#include "vk_file_utils.h"
#include "context_help.h"
#include "html_urls.h"
#include "tool_object.h"       // VkRunState
#include "vk_utils.h"
#include "vk_process.h"

#include <qcursor.h>
#include <qfiledialog.h>
#include <qheader.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qtooltip.h>
#include <qpopupmenu.h>
#include <qlayout.h>
#include <qtabwidget.h>


void MemcheckView::showSuppEditor()
{ vkPrint("TODO: Memcheck::showSuppEditor()"); }



/* class MemcheckView -------------------------------------------------- */
MemcheckView::~MemcheckView()
{
   if (logview != 0) {
      delete logview;
      logview = 0;
   }
}


MemcheckView::MemcheckView( QWidget* parent, const char* name )
   : ToolView( parent, name )
{
   mkToolBar();

   QVBoxLayout* vLayout = new QVBoxLayout( central, 0, -1, "vLayout" );
   vLayout->setResizeMode( QLayout::FreeResize );

#if 0
   /* create a tabwidget */
   QTabWidget* tabwidget = new QTabWidget( central, "mc_tabwidget" );
   vLayout->addWidget( tabwidget );
   /* some tweaks to prettify the tabwidget */
   tabwidget->setTabPosition( QTabWidget::Bottom  );
   QFont fnt = tabwidget->font();
   fnt.setPointSize( fnt.pointSize() - 2 );
   tabwidget->setFont( fnt );

   /* first tab: the listview */
   lView = new QListView( tabwidget, "lview" );
   tabwidget->addTab( lView, "valgrind output" );
#endif

   lView = new QListView( central, "lview" );
   vLayout->addWidget( lView );

   logview = new VgLogView( lView );

   lView->setShowToolTips( false );
   lView->setSorting( -1 );
   lView->setMargin( 5 );
   lView->addColumn( "" );
   lView->header()->setStretchEnabled( true, 0 );
   lView->header()->hide();

   savelogButton->setEnabled( false );
   openOneButton->setEnabled( false );
   openAllButton->setEnabled( true );  /* TODO: enable only if lview populated */
   srcPathButton->setEnabled( true );  /* TODO: enable only if lview populated */

   /* enable | disable show*Item buttons */
   connect( lView, SIGNAL(selectionChanged()),
            this,  SLOT(itemSelected()) );
   /* launch editor with src file loaded */
   connect( lView, SIGNAL(doubleClicked(QListViewItem*, const QPoint&, int)),
            this,  SLOT(launchEditor(QListViewItem*, const QPoint&, int)) );

//zz   QFont clientout_fnt( "Adobe Courier", 9, QFont::Normal, false );
//zz   clientout_fnt.setStyleHint( QFont::TypeWriter );

   /* other tabs:
      - suppression editor?
   */
}


/* called by memcheck: set state for buttons; set cursor state */
void MemcheckView::setState( bool run )
{
   loadlogButton->setEnabled( !run );
   mrglogButton->setEnabled( !run );
   // TODO: suppedButton->setEnabled( !run );
   if ( run ) {       /* startup */
      savelogButton->setEnabled( false );
      setCursor( QCursor( Qt::WaitCursor ) );
      lView->clear();
   } else {           /* finished */
      unsetCursor();
      savelogButton->setEnabled( lView->childCount() != 0 );
   }
}


/* slot: connected to MainWindow::toggleToolbarLabels(). 
   called when user toggles 'show-butt-text' in Options page */
void MemcheckView::toggleToolbarLabels( bool state )
{
   loadlogButton->setUsesTextLabel( state );
   mrglogButton->setUsesTextLabel( state );
   savelogButton->setUsesTextLabel( state );
   suppedButton->setUsesTextLabel( state );
}


/* slot: called from logMenu. parse and load a single logfile.
   setting the open-file-dialog's 'start-with' dir to null causes it
   to start up in whatever the user's current dir happens to be. */
void MemcheckView::openLogFile()
{ 
#if 0
   /* testing new file dialog stuff */
   QString fname = "";  
   FileDialog* fd = new FileDialog( this, "log_file_fd" );
   fd->exec();
#else
   QString log_file;

   QFileDialog dlg;
   dlg.setShowHiddenFiles( true );
  
   log_file = dlg.getOpenFileName( QString::null,
                                   "XML Files (*.xml);;Log Files (*.log.*);;All Files (*)", 
                                   this, "fdlg", "Select Log File" );
   /* user might have clicked Cancel */
   if ( log_file.isEmpty() )
      return;

   vkConfig->wrEntry( log_file, "view-log", "valkyrie" );
   emit run( VkRunState::TOOL1 );
#endif
}


/* slot: called from logMenu.  Open a file which contains a list of
   logfiles-to-be-merged, each on a separate line, with a minimum of
   two logfiles. */
void MemcheckView::openMergeFile()
{
   QString merge_file;
   /* TODO: Multiple xml files instead of single list file
      QStringList files = QFileDialog::getOpenFileNames() */
   merge_file = QFileDialog::getOpenFileName( QString::null,
                                              "XML Log Lists (*.loglst);;All Files (*)", 
                                              this, "fdlg", "Select Log File" );
   /* user might have clicked Cancel */
   if ( merge_file.isEmpty() )
      return;

   vkConfig->wrEntry( merge_file, "merge", "valkyrie" );
   /* returns the filename the merge has been saved to */
   emit run( VkRunState::TOOL2 );
}


void MemcheckView::mkToolBar()
{
   mcToolBar = new QToolBar( this, "mc_toolbar" );
   mcToolBar->setLabel( "Memcheck ToolBar" );

   bool show_text = vkConfig->rdBool( "show-butt-text", "valkyrie" );

   /* open-all items button --------------------------------------------- */
   openAllButton = new QToolButton( mcToolBar, "tb_open_all" );
   openAllButton->setIconSet( QPixmap( open_all_items_xpm ) );
   openAllButton->setAutoRaise( true );
   openAllButton->setToggleButton( true );
   connect( openAllButton, SIGNAL( toggled(bool) ), 
            this,          SLOT( openAllItems(bool) ) );
   QToolTip::add( openAllButton, 
                  "Open / Close all errors" );
   ContextHelp::add( openAllButton, urlValkyrie::openAllButton );

   /* open-one item button ---------------------------------------------- */
   openOneButton = new QToolButton( mcToolBar, "tb_open_one" );
   openOneButton->setIconSet( QPixmap( open_one_item_xpm ) );
   openOneButton->setAutoRaise( true );
   connect( openOneButton, SIGNAL( clicked() ), 
            this,          SLOT( openOneItem() ) );
   QToolTip::add( openOneButton, 
                  "Open / Close the selected item" );
   ContextHelp::add( openOneButton, urlValkyrie::openOneButton );

   /* show src path button ---------------------------------------------- */
   srcPathButton = new QToolButton( mcToolBar, "tb_src_path" );
   srcPathButton->setIconSet( QPixmap( src_path_xpm ) );
   srcPathButton->setAutoRaise( true );
   connect( srcPathButton, SIGNAL( clicked() ), 
            this,          SLOT( showSrcPath() ) );
   QToolTip::add( srcPathButton, 
                  "Show source paths" );
   ContextHelp::add( srcPathButton, urlValkyrie::srcPathButton );

   /* fake motif-style separator ---------------------------------------- */
   QLabel* sep_lbl = new QLabel( mcToolBar, "lbl_sep" );
   mcToolBar->setStretchableWidget( sep_lbl );

   /* load-log(s) button ------------------------------------------------ */
   loadlogButton = new QToolButton( mcToolBar, "tb_load_log" );
   loadlogButton->setIconSet( QPixmap( open_log_xpm ) );
   loadlogButton->setTextLabel( "&Load Log" );
   loadlogButton->setAccel( ALT+Key_L );
#if (QT_VERSION-0 >= 0x030200)
   loadlogButton->setTextPosition( QToolButton::BesideIcon );
#else // QT_VERSION < 3.2
   loadlogButton->setTextPosition( QToolButton::Right );
#endif
   loadlogButton->setUsesTextLabel( show_text );
   loadlogButton->setAutoRaise( true );