events_modifier.cpp
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#include <ion.h>
#include <assert.h>
namespace Ion {
namespace Events {
static ShiftAlphaStatus sShiftAlphaStatus = ShiftAlphaStatus::Default;
ShiftAlphaStatus shiftAlphaStatus() {
return sShiftAlphaStatus;
}
bool isShiftActive() {
return sShiftAlphaStatus == ShiftAlphaStatus::Shift || sShiftAlphaStatus == ShiftAlphaStatus::ShiftAlpha || sShiftAlphaStatus == ShiftAlphaStatus::ShiftAlphaLock;
}
bool isAlphaActive() {
return sShiftAlphaStatus == ShiftAlphaStatus::Alpha || sShiftAlphaStatus == ShiftAlphaStatus::ShiftAlpha || sShiftAlphaStatus == ShiftAlphaStatus::AlphaLock || sShiftAlphaStatus == ShiftAlphaStatus::ShiftAlphaLock;
;
}
void setShiftAlphaStatus(ShiftAlphaStatus s) {
sShiftAlphaStatus = s;
}
void updateModifiersFromEvent(Event e) {
assert(e.isKeyboardEvent());
switch (sShiftAlphaStatus) {
case ShiftAlphaStatus::Default:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::Shift;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::Alpha;
}
break;
case ShiftAlphaStatus::Shift:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::ShiftAlpha;
} else {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
}
break;
case ShiftAlphaStatus::Alpha:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::ShiftAlpha;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::AlphaLock;
} else {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
}
break;
case ShiftAlphaStatus::ShiftAlpha:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::Alpha;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::ShiftAlphaLock;
} else {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
}
break;
case ShiftAlphaStatus::AlphaLock:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::ShiftAlphaLock;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
}
break;
case ShiftAlphaStatus::ShiftAlphaLock:
if (e == Shift) {
sShiftAlphaStatus = ShiftAlphaStatus::AlphaLock;
} else if (e == Alpha) {
sShiftAlphaStatus = ShiftAlphaStatus::Default;
}
break;
}
}
}
}