Merge branch 'widgets' into 'master'

Initial working version of NumberPadWidget.

See merge request !44

radixwidgets/CMakeLists.txt

@@ -23,6 +23,7 @@ TRIBITS_SUBPACKAGE(widgets)
 SET(HEADERS
    tabwidget.hh
    tableview.hh
+   numberpadwidget.hh
 )
 #
 # Moc the header files
@@ -50,6 +51,7 @@ ENDIF()
 SET(SOURCES
    tabwidget.cc
    tableview.cc
+   numberpadwidget.cc
 )
 
 ##---------------------------------------------------------------------------##
@@ -59,6 +61,7 @@ SET(SOURCES
 TRIBITS_ADD_LIBRARY(
   radixwidgets
   SOURCES ${SOURCES} ${MOC_FILES} ${RESOURCE_RESULT}
+  NOINSTALLHEADERS ${HEADERS}
 )
 
 INSTALL(FILES ${HEADERS}

radixwidgets/examples/CMakeLists.txt

@@ -8,6 +8,9 @@ IF(USE_QT4)
    QT4_WRAP_CPP(QMOC_FILES2
        radixtablewidget.hh
    )
+   QT4_WRAP_CPP(QMOC_FILES3
+       radixnumberpadwidget.hh
+   )
 ELSE()
    QT5_WRAP_CPP(QMOC_FILES1
        radixtabwidget.hh
@@ -15,6 +18,9 @@ ELSE()
    QT5_WRAP_CPP(QMOC_FILES2
        radixtablewidget.hh
    )
+   QT5_WRAP_CPP(QMOC_FILES3
+       radixnumberpadwidget.hh
+   )
 ENDIF()
 TRIBITS_ADD_EXECUTABLE(radixtabwidget
   NOEXEPREFIX
@@ -26,3 +32,7 @@ TRIBITS_ADD_EXECUTABLE(radixtablewidget
   SOURCES radixtablewidget.cc ${QMOC_FILES2}
 )
 
+TRIBITS_ADD_EXECUTABLE(radixnumberpadwidget
+  NOEXEPREFIX
+  SOURCES radixnumberpadwidget.cc ${QMOC_FILES3}
+)

radixwidgets/examples/radixnumberpadwidget.cc

+/*
+ * @file:   radixnumberpadwidget.cc
+ * @author: Jordan P. Lefebvre, lefebvrejp@ornl.gov
+ */
+
+#include "radixnumberpadwidget.hh"
+#include <QApplication>
+#include <QGridLayout>
+#include <QHeaderView>
+#include <QLabel>
+#include <limits>
+
+MainWindow::MainWindow(QWidget* parent)
+    : QMainWindow(parent)
+{
+  setGeometry(400, 250, 542, 390);
+  QWidget* container  = new QWidget(this);
+  QGridLayout* layout = new QGridLayout(container);
+  QLineEdit* empty    = new QLineEdit("Regular line edit:", this);
+  widget              = new radix::NumberPadWidget(this);
+  layout->addWidget(empty);
+  layout->addWidget(widget);
+  setCentralWidget(container);
+}
+
+MainWindow::~MainWindow() {}
+
+/******************************************************************************/
+/******************************** MAIN PROGRAM ********************************/
+/******************************************************************************/
+
+int main(int argc, char** argv)
+{
+  QApplication app(argc, argv);
+  MainWindow mainWindow;
+  mainWindow.show();
+  mainWindow.raise();
+
+  return app.exec();
+}

radixwidgets/examples/radixnumberpadwidget.hh

+#ifndef RADIX_RADIXWIDGETS_EXAMPLE_RADIXNUMBERPADWIDGET_HH_
+#define RADIX_RADIXWIDGETS_EXAMPLE_RADIXNUMBERPADWIDGET_HH_
+
+#include <QMainWindow>
+
+#include "radixwidgets/numberpadwidget.hh"
+
+namespace Ui
+{
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+  Q_OBJECT
+
+ private:
+    radix::NumberPadWidget* widget;
+
+ public:
+  explicit MainWindow(QWidget *parent = 0);
+  ~MainWindow();
+};
+
+#endif  // RADIX_RADIXWIDGETS_EXAMPLE_RADIXNUMBERPADWIDGET_HH_

radixwidgets/numberpadwidget.cc

+#include "radixwidgets/numberpadwidget.hh"
+
+#include "radixbug/bug.hh"
+
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QGridLayout>
+#include <QKeyEvent>
+#include <QPoint>
+#include <QPushButton>
+#include <QRect>
+#include <QSignalMapper>
+
+#define NEXT_ROW_MARKER 0
+namespace radix
+{
+struct KeyboardLayoutEntry
+{
+  int key;
+  const char *label;
+};
+
+const KeyboardLayoutEntry keyboardLayout[] = {{Qt::Key_7, "7"},
+                                              {Qt::Key_8, "8"},
+                                              {Qt::Key_9, "9"},
+                                              {NEXT_ROW_MARKER, 0},
+                                              {Qt::Key_4, "4"},
+                                              {Qt::Key_5, "5"},
+                                              {Qt::Key_6, "6"},
+                                              {NEXT_ROW_MARKER, 0},
+                                              {Qt::Key_1, "1"},
+                                              {Qt::Key_2, "2"},
+                                              {Qt::Key_3, "3"},
+                                              {NEXT_ROW_MARKER, 0},
+                                              {Qt::Key_0, "0"},
+                                              {Qt::Key_Period, "."},
+                                              {Qt::Key_Backspace, "Backspace"}};
+
+const int layoutSize = (sizeof(keyboardLayout) / sizeof(KeyboardLayoutEntry));
+
+QString keyToCharacter(int key)
+{
+  for (int i = 0; i < layoutSize; ++i)
+  {
+    if (keyboardLayout[i].key == key)
+    {
+      return QString::fromLatin1(keyboardLayout[i].label);
+    }
+  }
+  return QString();
+}
+
+NumberPadWidget::NumberPadWidget(QWidget *parent)
+    : QLineEdit(parent)
+{
+  QSignalMapper *mapper = new QSignalMapper(this);
+  connect(mapper, SIGNAL(mapped(int)), SLOT(buttonClicked(int)));
+
+  // add widget containing
+  mNumberWidget          = new QWidget(this);
+  QGridLayout *numLayout = new QGridLayout(mNumberWidget);
+  mNumberWidget->hide();
+
+  mNumberWidget->setWindowFlags(Qt::WindowDoesNotAcceptFocus | Qt::Tool |
+                                Qt::FramelessWindowHint |
+                                Qt::WindowStaysOnTopHint);
+  int row = 0;
+  int col = 0;
+
+  // Create keyboard widget
+  for (int i = 0; i < layoutSize; ++i)
+  {
+    if (keyboardLayout[i].key == NEXT_ROW_MARKER)
+    {
+      row++;
+      col = 0;
+      continue;
+    }
+    QPushButton *button = new QPushButton(this);
+    button->setObjectName("number_pad_button");
+    button->setText(QString::fromLatin1(keyboardLayout[i].label));
+    mapper->setMapping(button, keyboardLayout[i].key);
+    connect(button, SIGNAL(clicked()), mapper, SLOT(map()));
+    numLayout->addWidget(button, row, col);
+    col++;
+  }
+}
+
+void NumberPadWidget::buttonClicked(int key)
+{
+  QLineEdit::keyPressEvent(new QKeyEvent(QEvent::KeyPress, key, Qt::NoModifier,
+                                         keyToCharacter(key)));
+}
+void NumberPadWidget::focusInEvent(QFocusEvent *event)
+{
+  QLineEdit::focusInEvent(event);
+  //
+  // Determine where to place the widget
+  QRect desktopRect = QApplication::desktop()->availableGeometry(this);
+  QPoint center     = desktopRect.center();
+
+  mNumberWidget->move(center.x() - mNumberWidget->width() * 0.5,
+                      center.y() - mNumberWidget->height() * 0.5);
+  mNumberWidget->show();
+}
+
+void NumberPadWidget::focusOutEvent(QFocusEvent *event)
+{
+  QLineEdit::focusOutEvent(event);
+  mNumberWidget->hide();
+}
+
+bool NumberPadWidget::numberPadVisible() const { return QWidget::isVisible(); }
+
+}  // namespace radix

radixwidgets/numberpadwidget.hh

+#ifndef RADIX_RADIXWIDGETS_NUMBERPADWIDGET_HH_
+#define RADIX_RADIXWIDGETS_NUMBERPADWIDGET_HH_
+
+#include <QLineEdit>
+#include <QWidget>
+
+namespace radix
+{
+class NumberPadWidget : public QLineEdit
+{
+  Q_OBJECT
+
+  QWidget* mNumberWidget;
+
+ public:
+  NumberPadWidget(QWidget* parent = 0);
+
+ public slots:
+  void focusInEvent(QFocusEvent*) override;
+  void focusOutEvent(QFocusEvent*) override;
+  bool numberPadVisible() const;
+
+ private slots:
+  void buttonClicked(int key);
+};  // class
+}  // namespace radix
+#endif /** RADIX_RADIXWIDGETS_NUMBERPADWIDGET_HH_ */