GUIKnobController.cpp

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#include <tdme/gui/elements/GUIKnobController.h>
 
#include <array>
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/gui/events/GUIKeyboardEvent.h>
#include <tdme/gui/events/GUIMouseEvent.h>
#include <tdme/gui/nodes/GUIElementController.h>
#include <tdme/gui/nodes/GUIElementNode.h>
#include <tdme/gui/nodes/GUIImageNode.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/nodes/GUIScreenNode.h>
#include <tdme/gui/GUI.h>
#include <tdme/math/Math.h>
#include <tdme/math/Matrix2D3x3.h>
#include <tdme/utilities/Console.h>
#include <tdme/utilities/Float.h>
#include <tdme/utilities/MutableString.h>
#include <tdme/utilities/Time.h>
 
using std::array;
using std::to_string;
 
using tdme::gui::events::GUIKeyboardEvent;
using tdme::gui::events::GUIMouseEvent;
using tdme::gui::nodes::GUIElementController;
using tdme::gui::nodes::GUIElementNode;
using tdme::gui::nodes::GUIImageNode;
using tdme::gui::nodes::GUINode;
using tdme::gui::nodes::GUIScreenNode;
using tdme::gui::GUI;
using tdme::math::Math;
using tdme::math::Matrix2D3x3;
using tdme::utilities::Console;
using tdme::utilities::Float;
using tdme::utilities::MutableString;
using tdme::utilities::Time;
 
using tdme::gui::elements::GUIKnobController;
 
GUIKnobController::GUIKnobController(GUINode* node): GUIElementController(node)
{
}
 
bool GUIKnobController::isDisabled() {
    return false;
}
 
void GUIKnobController::setDisabled(bool disabled) {
 
}
 
void GUIKnobController::initialize() {
    knobNode = this->node->getScreenNode()->getNodeById(this->node->getId() + "_knob");
    setValue(MutableString(required_dynamic_cast<GUIElementNode*>(node)->getValue()));
 
    //
    GUIElementController::initialize();
}
 
void GUIKnobController::dispose() {
    GUIElementController::dispose();
}
 
void GUIKnobController::postLayout() {
    updateKnob();
}
 
void GUIKnobController::handleMouseEvent(GUINode* node, GUIMouseEvent* event) {
    GUIElementController::handleMouseEvent(node, event);
    if (node == this->node &&
        event->getType() == GUIMouseEvent::MOUSEEVENT_RELEASED == true) {
        this->node->getScreenNode()->getGUI()->setFoccussedNode(required_dynamic_cast<GUIElementNode*>(this->node));
        event->setProcessed(true);
    } else
    if (node == this->node && node->isEventBelongingToNode(event) == true &&
        event->getType() == GUIMouseEvent::MOUSEEVENT_PRESSED == true &&
        event->getButton() == MOUSE_BUTTON_LEFT) {
        mouseLastX = event->getX();
        event->setProcessed(true);
    } else
    if (event->getType() == GUIMouseEvent::MOUSEEVENT_DRAGGED == true &&
        event->getButton() == MOUSE_BUTTON_LEFT) {
        valueFloat = Math::clamp(
            static_cast<float>(valueFloat + ((event->getX() - mouseLastX) / 75.0f)) ,
            0.0f,
            1.0f
        );
        updateKnob();
        node->getScreenNode()->delegateValueChanged(required_dynamic_cast<GUIElementNode*>(this->node));
        mouseLastX = event->getX();
        event->setProcessed(true);
    }
}
 
void GUIKnobController::handleKeyboardEvent(GUIKeyboardEvent* event) {
    GUIElementController::handleKeyboardEvent(event);
    switch (event->getKeyCode()) {
        case GUIKeyboardEvent::KEYCODE_LEFT: {
                event->setProcessed(true);
                if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                    this->valueFloat = Math::clamp(valueFloat - 0.1f, 0.0f, 1.0f);
                    updateKnob();
                    node->getScreenNode()->delegateValueChanged(required_dynamic_cast< GUIElementNode* >(this->node));
                }
            }
            break;
        case GUIKeyboardEvent::KEYCODE_RIGHT: {
                event->setProcessed(true);
                if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                    this->valueFloat = Math::clamp(valueFloat + 0.1f, 0.0f, 1.0f);
                    updateKnob();
                    node->getScreenNode()->delegateValueChanged(required_dynamic_cast< GUIElementNode* >(this->node));
                }
            }
            break;
    }
}
 
void GUIKnobController::tick() {
    GUIElementController::tick();
}
 
void GUIKnobController::onFocusGained() {
}
 
void GUIKnobController::onFocusLost() {
}
 
bool GUIKnobController::hasValue() {
    return true;
}
 
const MutableString& GUIKnobController::getValue() {
    return value.set(valueFloat, 4);
}
 
void GUIKnobController::setValue(const MutableString& value) {
    this->value.set(value);
    this->valueFloat = Math::clamp(Float::parse(this->value.getString()), 0.0f, 1.0f);
    updateKnob();
}
 
void GUIKnobController::updateKnob() {
    required_dynamic_cast<GUIImageNode*>(knobNode)->setTextureMatrix(Matrix2D3x3::rotateAroundTextureCenter((-valueFloat * (360.0f - 60.0f)) - 210.f));
}