Olivier Smeesters / KeyboardManager

KeyboardManager: a class to manage the polling of a switch-matrix keyboard

Dependents:   KeyboardTest

LongKeyPressMonitor.cpp@3:1310c57aca77, 2011-02-03 (annotated)

Committer:
osmeest
Date:
Thu Feb 03 22:01:57 2011 +0000
Revision:
3:1310c57aca77
improve code structure, add key mapping and long key press handling

Who changed what in which revision?

UserRevisionLine numberNew contents of line
osmeest 3:1310c57aca77 1 #include <kbd_mgr/LongKeyPressMonitor.h>
osmeest 3:1310c57aca77 2
osmeest 3:1310c57aca77 3 namespace kbd_mgr {
osmeest 3:1310c57aca77 4
osmeest 3:1310c57aca77 5 LongKeyPressMonitor::AutoRepeatSetupProxy LongKeyPressMonitor::autoRepeat(float initTime, float delay)
osmeest 3:1310c57aca77 6 {
osmeest 3:1310c57aca77 7 this->repeatInitTime_ = initTime;
osmeest 3:1310c57aca77 8 this->repeatDelay_ = delay;
osmeest 3:1310c57aca77 9
osmeest 3:1310c57aca77 10 return AutoRepeatSetupProxy(this);
osmeest 3:1310c57aca77 11 }
osmeest 3:1310c57aca77 12
osmeest 3:1310c57aca77 13 void LongKeyPressMonitor::addAutoRepeatKey(int firstKey, int lastKey)
osmeest 3:1310c57aca77 14 {
osmeest 3:1310c57aca77 15 for(int key = firstKey; key <= lastKey; ++key) {
osmeest 3:1310c57aca77 16 this->repeatKeys_.insert(key);
osmeest 3:1310c57aca77 17 this->longPressKeys_.erase(key);
osmeest 3:1310c57aca77 18 }
osmeest 3:1310c57aca77 19 }
osmeest 3:1310c57aca77 20
osmeest 3:1310c57aca77 21 LongKeyPressMonitor::LongPressSetupProxy LongKeyPressMonitor::longKeyPress(float longPressTime)
osmeest 3:1310c57aca77 22 {
osmeest 3:1310c57aca77 23 this->longPressTime_ = longPressTime;
osmeest 3:1310c57aca77 24 return LongPressSetupProxy(this);
osmeest 3:1310c57aca77 25 }
osmeest 3:1310c57aca77 26
osmeest 3:1310c57aca77 27 void LongKeyPressMonitor::addLongPressKey(int firstKey, int lastKey)
osmeest 3:1310c57aca77 28 {
osmeest 3:1310c57aca77 29 for(int key = firstKey; key <= lastKey; ++key) {
osmeest 3:1310c57aca77 30 this->longPressKeys_.insert(key);
osmeest 3:1310c57aca77 31 this->repeatKeys_.erase(key);
osmeest 3:1310c57aca77 32 }
osmeest 3:1310c57aca77 33 }
osmeest 3:1310c57aca77 34
osmeest 3:1310c57aca77 35 void LongKeyPressMonitor::handleKeyPress(const KeyEvent &keypress)
osmeest 3:1310c57aca77 36 {
osmeest 3:1310c57aca77 37 if (keypress.event == KeyEvent::KeyDown) {
osmeest 3:1310c57aca77 38 invokeHandler(keypress);
osmeest 3:1310c57aca77 39 handleKeyDown(keypress);
osmeest 3:1310c57aca77 40 }
osmeest 3:1310c57aca77 41 else if (keypress.event == KeyEvent::KeyUp) {
osmeest 3:1310c57aca77 42 handleKeyUp(keypress);
osmeest 3:1310c57aca77 43 invokeHandler(keypress);
osmeest 3:1310c57aca77 44 }
osmeest 3:1310c57aca77 45 else {
osmeest 3:1310c57aca77 46 invokeHandler(keypress);
osmeest 3:1310c57aca77 47 }
osmeest 3:1310c57aca77 48 }
osmeest 3:1310c57aca77 49
osmeest 3:1310c57aca77 50 void LongKeyPressMonitor::handleKeyDown(const KeyEvent &keypress)
osmeest 3:1310c57aca77 51 {
osmeest 3:1310c57aca77 52 this->keyDownCount++;
osmeest 3:1310c57aca77 53 if (this->keyDownCount == 1) {
osmeest 3:1310c57aca77 54 handleFirstKeyDown(keypress);
osmeest 3:1310c57aca77 55 }
osmeest 3:1310c57aca77 56 else {
osmeest 3:1310c57aca77 57 handleOtherKeyDown(keypress);
osmeest 3:1310c57aca77 58 }
osmeest 3:1310c57aca77 59 }
osmeest 3:1310c57aca77 60
osmeest 3:1310c57aca77 61 void LongKeyPressMonitor::handleFirstKeyDown(const KeyEvent &keypress)
osmeest 3:1310c57aca77 62 {
osmeest 3:1310c57aca77 63 this->keypress = keypress;
osmeest 3:1310c57aca77 64
osmeest 3:1310c57aca77 65 if (isAutoRepeatKey(keypress.keyCode)) {
osmeest 3:1310c57aca77 66 this->state = RepeatInitWait;
osmeest 3:1310c57aca77 67 this->timer.attach(this, &LongKeyPressMonitor::handleTimer, this->repeatInitTime_);
osmeest 3:1310c57aca77 68 }
osmeest 3:1310c57aca77 69 else if (isLongPressKey(keypress.keyCode)) {
osmeest 3:1310c57aca77 70 this->state = LongPressWait;
osmeest 3:1310c57aca77 71 this->timer.attach(this, &LongKeyPressMonitor::handleTimer, this->longPressTime_);
osmeest 3:1310c57aca77 72 }
osmeest 3:1310c57aca77 73 }
osmeest 3:1310c57aca77 74
osmeest 3:1310c57aca77 75 void LongKeyPressMonitor::handleOtherKeyDown(const KeyEvent &keypress)
osmeest 3:1310c57aca77 76 {
osmeest 3:1310c57aca77 77 this->state = Invalid;
osmeest 3:1310c57aca77 78 this->timer.detach();
osmeest 3:1310c57aca77 79 }
osmeest 3:1310c57aca77 80
osmeest 3:1310c57aca77 81 void LongKeyPressMonitor::handleKeyUp(const KeyEvent &keypress)
osmeest 3:1310c57aca77 82 {
osmeest 3:1310c57aca77 83 this->keyDownCount--;
osmeest 3:1310c57aca77 84
osmeest 3:1310c57aca77 85 if (this->state == Invalid || this->state == RepeatInitWait || this->state == LongPressWait) {
osmeest 3:1310c57aca77 86 KeyEvent pressed(keypress, KeyEvent::KeyPress);
osmeest 3:1310c57aca77 87 invokeHandler(pressed);
osmeest 3:1310c57aca77 88 }
osmeest 3:1310c57aca77 89
osmeest 3:1310c57aca77 90 if (this->keyDownCount == 0) {
osmeest 3:1310c57aca77 91 handleLastKeyUp(keypress);
osmeest 3:1310c57aca77 92 }
osmeest 3:1310c57aca77 93 }
osmeest 3:1310c57aca77 94
osmeest 3:1310c57aca77 95 void LongKeyPressMonitor::handleLastKeyUp(const KeyEvent &keypress)
osmeest 3:1310c57aca77 96 {
osmeest 3:1310c57aca77 97 this->state = Idle;
osmeest 3:1310c57aca77 98 }
osmeest 3:1310c57aca77 99
osmeest 3:1310c57aca77 100 void LongKeyPressMonitor::handleTimer()
osmeest 3:1310c57aca77 101 {
osmeest 3:1310c57aca77 102 switch(this->state) {
osmeest 3:1310c57aca77 103 case RepeatInitWait:
osmeest 3:1310c57aca77 104 case Repeating:
osmeest 3:1310c57aca77 105 handleRepeatTimer();
osmeest 3:1310c57aca77 106 break;
osmeest 3:1310c57aca77 107 case LongPressWait:
osmeest 3:1310c57aca77 108 handleLongPressTimer();
osmeest 3:1310c57aca77 109 break;
osmeest 3:1310c57aca77 110 default:
osmeest 3:1310c57aca77 111 break;
osmeest 3:1310c57aca77 112 }
osmeest 3:1310c57aca77 113 }
osmeest 3:1310c57aca77 114
osmeest 3:1310c57aca77 115 void LongKeyPressMonitor::handleRepeatTimer()
osmeest 3:1310c57aca77 116 {
osmeest 3:1310c57aca77 117 KeyEvent repeated(this->keypress,
osmeest 3:1310c57aca77 118 (this->state == RepeatInitWait ? KeyEvent::KeyPress : KeyEvent::RepeatedKeyPress));
osmeest 3:1310c57aca77 119 invokeHandler(repeated);
osmeest 3:1310c57aca77 120
osmeest 3:1310c57aca77 121 this->state = Repeating;
osmeest 3:1310c57aca77 122 this->timer.attach(this, &LongKeyPressMonitor::handleTimer, this->repeatDelay_);
osmeest 3:1310c57aca77 123 }
osmeest 3:1310c57aca77 124
osmeest 3:1310c57aca77 125 void LongKeyPressMonitor::handleLongPressTimer()
osmeest 3:1310c57aca77 126 {
osmeest 3:1310c57aca77 127 KeyEvent longPressed(keypress, KeyEvent::LongKeyPress);
osmeest 3:1310c57aca77 128 invokeHandler(longPressed);
osmeest 3:1310c57aca77 129 this->state = LongPressReported;
osmeest 3:1310c57aca77 130 }
osmeest 3:1310c57aca77 131
osmeest 3:1310c57aca77 132 } // kbd_mgr