kdbg/watchwindow.cpp

   1 /*
   2  * Copyright Johannes Sixt
   3  * This file is licensed under the GNU General Public License Version 2.
   4  * See the file COPYING in the toplevel directory of the source directory.
   5  */
   6
   7 #include "watchwindow.h"
   8 #include <klocalizedstring.h>           /* i18n */
   9 #include <QDragEnterEvent>
  10 #include <QDropEvent>
  11 #include <QKeyEvent>
  12 #include <QMimeData>
  13
  14 WatchWindow::WatchWindow(QWidget* parent) :
  15         QWidget(parent),
  16         m_watchEdit(this),
  17         m_watchAdd(i18n(" Add "), this),
  18         m_watchDelete(i18n(" Del "), this),
  19         m_watchVariables(this, i18n("Expression")),
  20         m_watchV(this),
  21         m_watchH()
  22 {
  23     // setup the layout
  24     m_watchAdd.setMinimumSize(m_watchAdd.sizeHint());
  25     m_watchDelete.setMinimumSize(m_watchDelete.sizeHint());
  26     m_watchV.setMargin(0);
  27     m_watchV.setSpacing(0);
  28     m_watchH.setMargin(0);
  29     m_watchH.setSpacing(0);
  30     m_watchV.addLayout(&m_watchH);
  31     m_watchV.addWidget(&m_watchVariables);
  32     m_watchH.addWidget(&m_watchEdit);
  33     m_watchH.addWidget(&m_watchAdd);
  34     m_watchH.addWidget(&m_watchDelete);
  35
  36     connect(&m_watchEdit, SIGNAL(returnPressed()), SIGNAL(addWatch()));
  37     connect(&m_watchAdd, SIGNAL(clicked()), SIGNAL(addWatch()));
  38     connect(&m_watchDelete, SIGNAL(clicked()), SIGNAL(deleteWatch()));
  39     connect(&m_watchVariables, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
  40             SLOT(slotWatchHighlighted()));
  41
  42     m_watchVariables.installEventFilter(this);
  43     setAcceptDrops(true);
  44 }
  45
  46 WatchWindow::~WatchWindow()
  47 {
  48 }
  49
  50 bool WatchWindow::eventFilter(QObject*, QEvent* ev)
  51 {
  52     if (ev->type() == QEvent::KeyPress)
  53     {
  54         QKeyEvent* kev = static_cast<QKeyEvent*>(ev);
  55         if (kev->key() == Qt::Key_Delete) {
  56             emit deleteWatch();
  57             return true;
  58         }
  59     }
  60     return false;
  61 }
  62
  63 void WatchWindow::dragEnterEvent(QDragEnterEvent* event)
  64 {
  65     if (event->mimeData()->hasText())
  66         event->acceptProposedAction();
  67 }
  68
  69 void WatchWindow::dropEvent(QDropEvent* event)
  70 {
  71     if (event->mimeData()->hasText()) {
  72         QString text = event->mimeData()->text();
  73         // pick only the first line
  74         text = text.trimmed();
  75         int pos = text.indexOf('\n');
  76         if (pos > 0)
  77             text.truncate(pos);
  78         text = text.trimmed();
  79         if (!text.isEmpty())
  80             emit textDropped(text);
  81     }
  82     event->acceptProposedAction();
  83 }
  84
  85
  86 // place the text of the hightlighted watch expr in the edit field
  87 void WatchWindow::slotWatchHighlighted()
  88 {
  89     VarTree* expr = m_watchVariables.selectedItem();
  90     QString text = expr ? expr->computeExpr() : QString();
  91     m_watchEdit.setText(text);
  92 }
  93
  94 #include "watchwindow.moc"