Input: make KeyboardController a physical device

Change-Id: I8b3de65348006fda1156adc9b55744055eef969c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 356 insertions, 2 deletions

diff --git a/src/input/backend/keyboardcontroller.cpp b/src/input/backend/keyboardcontroller.cpp
index 359f52ee7..9686f2d15 100644
--- a/src/input/backend/keyboardcontroller.cpp
+++ b/src/input/backend/keyboardcontroller.cpp
@@ -39,21 +39,343 @@
 #include "inputmanagers_p.h"
 #include <Qt3DCore/qnode.h>
 
+#include <QKeyEvent>
+
 QT_BEGIN_NAMESPACE
 
 namespace Qt3DInput {
 namespace Input {
 
+namespace {
+
+QPair<int, int> getKeyPosition(int key)
+{
+    QPair<int, int> position;
+
+    switch (key) {
+    case Qt::Key_Escape:
+        return QPair<int, int>(0, 0);
+    case Qt::Key_Tab:
+        return QPair<int, int>(0, 1);
+    case Qt::Key_Backtab:
+        return QPair<int, int>(0, 2);
+    case Qt::Key_Backspace:
+        return QPair<int, int>(0, 3);
+    case Qt::Key_Return:
+        return QPair<int, int>(0, 4);
+    case Qt::Key_Enter:
+        return QPair<int, int>(0, 5);
+    case Qt::Key_Insert:
+        return QPair<int, int>(0, 6);
+    case Qt::Key_Delete:
+        return QPair<int, int>(0, 7);
+    case Qt::Key_Pause:
+        return QPair<int, int>(0, 8);
+    case Qt::Key_Print:
+        return QPair<int, int>(0, 9);
+    case Qt::Key_SysReq:
+        return QPair<int, int>(0, 10);
+    case Qt::Key_Clear:
+        return QPair<int, int>(0, 11);
+    case Qt::Key_Home:
+        return QPair<int, int>(0, 12);
+    case Qt::Key_End:
+        return QPair<int, int>(0, 13);
+    case Qt::Key_Left:
+        return QPair<int, int>(0, 14);
+    case Qt::Key_Right:
+        return QPair<int, int>(0, 16);
+    case Qt::Key_Up:
+        return QPair<int, int>(0, 15);
+    case Qt::Key_Down:
+        return QPair<int, int>(0, 17);
+    case Qt::Key_PageUp:
+        return QPair<int, int>(0, 17);
+    case Qt::Key_PageDown:
+        return QPair<int, int>(0, 19);
+    case Qt::Key_Shift:
+        return QPair<int, int>(0, 20);
+    case Qt::Key_Alt:
+        return QPair<int, int>(0, 23);
+    case Qt::Key_Control:
+        return QPair<int, int>(0, 21);
+    case Qt::Key_Meta:
+        return QPair<int, int>(0, 22);
+    case Qt::Key_CapsLock:
+        return QPair<int, int>(0, 24);
+    case Qt::Key_NumLock:
+        return QPair<int, int>(0, 25);
+    case Qt::Key_ScrollLock:
+        return QPair<int, int>(0, 26);
+    case Qt::Key_F1:
+        return QPair<int, int>(0, 27);
+    case Qt::Key_F2:
+        return QPair<int, int>(0, 28);
+    case Qt::Key_F3:
+        return QPair<int, int>(0, 29);
+    case Qt::Key_F4:
+        return QPair<int, int>(0, 30);
+    case Qt::Key_F5:
+        return QPair<int, int>(0, 31);
+    case Qt::Key_F6:
+        return QPair<int, int>(1, 0);
+    case Qt::Key_F7:
+        return QPair<int, int>(1, 1);
+    case Qt::Key_F8:
+        return QPair<int, int>(1, 2);
+    case Qt::Key_F9:
+        return QPair<int, int>(1, 3);
+    case Qt::Key_F10:
+        return QPair<int, int>(1, 4);
+    case Qt::Key_F11:
+        return QPair<int, int>(1, 5);
+    case Qt::Key_F12:
+        return QPair<int, int>(1, 6);
+    case Qt::Key_F13:
+        return QPair<int, int>(1, 7);
+    case Qt::Key_F14:
+        return QPair<int, int>(1, 8);
+    case Qt::Key_F15:
+        return QPair<int, int>(1, 9);
+    case Qt::Key_F16:
+        return QPair<int, int>(1, 10);
+    case Qt::Key_F17:
+        return QPair<int, int>(1, 11);
+    case Qt::Key_F18:
+        return QPair<int, int>(1, 12);
+    case Qt::Key_F19:
+        return QPair<int, int>(1, 13);
+    case Qt::Key_F20:
+        return QPair<int, int>(1, 14);
+    case Qt::Key_F21:
+        return QPair<int, int>(1, 15);
+    case Qt::Key_F22:
+        return QPair<int, int>(1, 16);
+    case Qt::Key_F23:
+        return QPair<int, int>(1, 17);
+    case Qt::Key_F24:
+        return QPair<int, int>(1, 18);
+    case Qt::Key_F25:
+        return QPair<int, int>(1, 19);
+    case Qt::Key_F26:
+        return QPair<int, int>(1, 20);
+    case Qt::Key_F27:
+        return QPair<int, int>(1, 21);
+    case Qt::Key_F28:
+        return QPair<int, int>(1, 22);
+    case Qt::Key_F29:
+        return QPair<int, int>(1, 23);
+    case Qt::Key_F30:
+        return QPair<int, int>(1, 24);
+    case Qt::Key_F31:
+        return QPair<int, int>(1, 25);
+    case Qt::Key_F32:
+        return QPair<int, int>(1, 26);
+    case Qt::Key_F33:
+        return QPair<int, int>(1, 27);
+    case Qt::Key_F34:
+        return QPair<int, int>(1, 28);
+    case Qt::Key_F35:
+        return QPair<int, int>(1, 29);
+    case Qt::Key_Super_L:
+        return QPair<int, int>(1, 30);
+    case Qt::Key_Super_R:
+        return QPair<int, int>(1, 31);
+    case Qt::Key_Menu:
+        return QPair<int, int>(2, 1);
+    case Qt::Key_Help:
+        return QPair<int, int>(2, 4);
+    case Qt::Key_Hyper_L:
+        return QPair<int, int>(2, 2);
+    case Qt::Key_Hyper_R:
+        return QPair<int, int>(2, 3);
+    case Qt::Key_Direction_L:
+        return QPair<int, int>(2, 5);
+    case Qt::Key_Direction_R:
+        return QPair<int, int>(2, 6);
+    case Qt::Key_Space:
+        return QPair<int, int>(2, 7);
+    case Qt::Key_Exclam:
+        return QPair<int, int>(2, 9);
+    case Qt::Key_QuoteDbl:
+        return QPair<int, int>(2, 10);
+    case Qt::Key_NumberSign:
+        return QPair<int, int>(2, 11);
+    case Qt::Key_Dollar:
+        return QPair<int, int>(2, 12);
+    case Qt::Key_Percent:
+        return QPair<int, int>(2, 13);
+    case Qt::Key_Ampersand:
+        return QPair<int, int>(2, 14);
+    case Qt::Key_Apostrophe:
+        return QPair<int, int>(2, 15);
+    case Qt::Key_ParenLeft:
+        return QPair<int, int>(2, 16);
+    case Qt::Key_ParenRight:
+        return QPair<int, int>(2, 17);
+    case Qt::Key_Asterisk:
+        return QPair<int, int>(2, 18);
+    case Qt::Key_Plus:
+        return QPair<int, int>(2, 19);
+    case Qt::Key_Comma:
+        return QPair<int, int>(2, 20);
+    case Qt::Key_Minus:
+        return QPair<int, int>(2, 21);
+    case Qt::Key_Period:
+        return QPair<int, int>(2, 22);
+    case Qt::Key_Slash:
+        return QPair<int, int>(2, 23);
+    case Qt::Key_0:
+        return QPair<int, int>(2, 24);
+    case Qt::Key_1:
+        return QPair<int, int>(2, 25);
+    case Qt::Key_2:
+        return QPair<int, int>(2, 26);
+    case Qt::Key_3:
+        return QPair<int, int>(2, 27);
+    case Qt::Key_4:
+        return QPair<int, int>(2, 28);
+    case Qt::Key_5:
+        return QPair<int, int>(2, 29);
+    case Qt::Key_6:
+        return QPair<int, int>(2, 30);
+    case Qt::Key_7:
+        return QPair<int, int>(2, 31);
+    case Qt::Key_8:
+        return QPair<int, int>(3, 0);
+    case Qt::Key_9:
+        return QPair<int, int>(3, 1);
+    case Qt::Key_Colon:
+        return QPair<int, int>(3, 2);
+    case Qt::Key_Semicolon:
+        return QPair<int, int>(3, 3);
+    case Qt::Key_Less:
+        return QPair<int, int>(3, 4);
+    case Qt::Key_Equal:
+        return QPair<int, int>(3, 5);
+    case Qt::Key_Greater:
+        return QPair<int, int>(3, 6);
+    case Qt::Key_Question:
+        return QPair<int, int>(3, 7);
+    case Qt::Key_At:
+        return QPair<int, int>(3, 8);
+    case Qt::Key_A:
+        return QPair<int, int>(3, 9);
+    case Qt::Key_B:
+        return QPair<int, int>(3, 10);
+    case Qt::Key_C:
+        return QPair<int, int>(3, 11);
+    case Qt::Key_D:
+        return QPair<int, int>(3, 12);
+    case Qt::Key_E:
+        return QPair<int, int>(3, 13);
+    case Qt::Key_F:
+        return QPair<int, int>(3, 14);
+    case Qt::Key_G:
+        return QPair<int, int>(3, 15);
+    case Qt::Key_H:
+        return QPair<int, int>(3, 16);
+    case Qt::Key_I:
+        return QPair<int, int>(3, 17);
+    case Qt::Key_J:
+        return QPair<int, int>(3, 18);
+    case Qt::Key_K:
+        return QPair<int, int>(3, 19);
+    case Qt::Key_L:
+        return QPair<int, int>(3, 20);
+    case Qt::Key_M:
+        return QPair<int, int>(3, 21);
+    case Qt::Key_N:
+        return QPair<int, int>(3, 22);
+    case Qt::Key_O:
+        return QPair<int, int>(3, 23);
+    case Qt::Key_P:
+        return QPair<int, int>(3, 24);
+    case Qt::Key_Q:
+        return QPair<int, int>(3, 25);
+    case Qt::Key_R:
+        return QPair<int, int>(3, 26);
+    case Qt::Key_S:
+        return QPair<int, int>(3, 27);
+    case Qt::Key_T:
+        return QPair<int, int>(3, 28);
+    case Qt::Key_U:
+        return QPair<int, int>(3, 29);
+    case Qt::Key_V:
+        return QPair<int, int>(3, 30);
+    case Qt::Key_W:
+        return QPair<int, int>(3, 31);
+    case Qt::Key_X:
+        return QPair<int, int>(4, 0);
+    case Qt::Key_Y:
+        return QPair<int, int>(4, 1);
+    case Qt::Key_Z:
+        return QPair<int, int>(4, 2);
+    case Qt::Key_BracketLeft:
+        return QPair<int, int>(4, 3);
+    case Qt::Key_Backslash:
+        return QPair<int, int>(4, 4);
+    case Qt::Key_BracketRight:
+        return QPair<int, int>(4, 5);
+    case Qt::Key_AsciiCircum:
+        return QPair<int, int>(4, 6);
+    case Qt::Key_Underscore:
+        return QPair<int, int>(4, 7);
+    case Qt::Key_QuoteLeft:
+        return QPair<int, int>(4, 8);
+    case Qt::Key_BraceLeft:
+        return QPair<int, int>(4, 9);
+    case Qt::Key_Bar:
+        return QPair<int, int>(4, 10);
+    case Qt::Key_BraceRight:
+        return QPair<int, int>(4, 11);
+    case Qt::Key_AsciiTilde:
+        return QPair<int, int>(4, 12);
+    case Qt::Key_plusminus:
+        return QPair<int, int>(4, 13);
+    case Qt::Key_onesuperior:
+        return QPair<int, int>(4, 14);
+    case Qt::Key_multiply:
+        return QPair<int, int>(4, 15);
+    case Qt::Key_division:
+        return QPair<int, int>(4, 16);
+    case Qt::Key_diaeresis:
+        return QPair<int, int>(4, 17);
+    default:
+        return QPair<int, int>(-1, -1);
+    }
+    return position;
+}
+
+} // anonymous
+
+
 // TO DO: Send change to frontend when activeInput changes
 
 KeyboardController::KeyboardController()
-    : QBackendNode()
+    : QAbstractPhysicalDeviceBackendNode(QBackendNode::ReadOnly)
     , m_inputHandler(Q_NULLPTR)
 {
+    m_keyStates.keys[0] = 0;
+    m_keyStates.keys[1] = 0;
+    m_keyStates.keys[2] = 0;
+    m_keyStates.keys[3] = 0;
+    m_keyStates.keys[4] = 0;
+}
+
+void KeyboardController::updateFromPeer(Qt3DCore::QNode *peer)
+{
+    QAbstractPhysicalDeviceBackendNode::updateFromPeer(peer);
 }
 
-void KeyboardController::updateFromPeer(Qt3DCore::QNode *)
+void KeyboardController::cleanup()
 {
+    QAbstractPhysicalDeviceBackendNode::cleanup();
+    m_keyStates.keys[0] = 0;
+    m_keyStates.keys[1] = 0;
+    m_keyStates.keys[2] = 0;
+    m_keyStates.keys[3] = 0;
+    m_keyStates.keys[4] = 0;
 }
 
 void KeyboardController::requestFocusForInput(const Qt3DCore::QNodeId &inputId)
@@ -88,6 +410,38 @@ void KeyboardController::setCurrentFocusItem(const Qt3DCore::QNodeId &input)
     m_currentFocusItem = input;
 }
 
+float KeyboardController::axisValue(int axisIdentifier) const
+{
+    Q_UNUSED(axisIdentifier);
+    return 0.0f;
+}
+
+bool KeyboardController::isButtonPressed(int buttonIdentifier) const
+{
+    QPair<int, int> position = getKeyPosition(buttonIdentifier);
+    if (position.first != -1 && position.second != -1)
+        return m_keyStates.keys[position.first] & (1 << position.second);
+    return false;
+}
+
+void KeyboardController::setButtonValue(int key, bool value)
+{
+    QPair<int, int> position = getKeyPosition(key);
+    if (position.first != -1 && position.second != -1) {
+        if (value)
+            m_keyStates.keys[position.first] |= (1 << position.second);
+        else
+            m_keyStates.keys[position.first] &= ~(1 << position.second);
+    }
+}
+
+void KeyboardController::updateKeyEvents(const QList<QKeyEvent> &events)
+{
+    Q_FOREACH (const QKeyEvent &e, events)
+        setButtonValue(e.key(), e.type() == QKeyEvent::KeyPress ? true : false);
+}
+
+
 void KeyboardController::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &)
 {
 }