GUIElementController.cpp

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#include <tdme/gui/nodes/GUIElementController.h>
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/application/Application.h>
#include <tdme/gui/events/GUIActionListener.h>
#include <tdme/gui/events/GUIKeyboardEvent.h>
#include <tdme/gui/events/GUIMouseEvent.h>
#include <tdme/gui/nodes/GUIElementNode.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/nodes/GUINodeConditions.h>
#include <tdme/gui/nodes/GUIScreenNode.h>
#include <tdme/gui/GUI.h>
#include <tdme/math/Math.h>
#include <tdme/utilities/Console.h>
#include <tdme/utilities/Time.h>
 
using std::string;
using std::to_string;
 
using tdme::application::Application;
using tdme::gui::events::GUIActionListenerType;
using tdme::gui::events::GUIKeyboardEvent;
using tdme::gui::events::GUIMouseEvent;
using tdme::gui::nodes::GUIElementController;
using tdme::gui::nodes::GUIElementNode;
using tdme::gui::nodes::GUINode;
using tdme::gui::nodes::GUINodeConditions;
using tdme::gui::nodes::GUIScreenNode;
using tdme::gui::GUI;
using tdme::math::Math;
using tdme::utilities::Console;
using tdme::utilities::Time;
 
GUIElementController::GUIElementController(GUINode* node)
    : GUINodeController(node)
{
    this->isActionPerforming = false;
    this->disabled = required_dynamic_cast<GUIElementNode*>(node)->isDisabled();
    this->initialized = false;
}
 
string GUIElementController::CONDITION_DISABLED = "disabled";
string GUIElementController::CONDITION_ENABLED = "enabled";
 
bool GUIElementController::isDisabled()
{
    return disabled;
}
 
void GUIElementController::setDisabled(bool disabled)
{
    auto& nodeConditions = required_dynamic_cast<GUIElementNode*>(node)->getActiveConditions();
    nodeConditions.remove(this->disabled == true?CONDITION_DISABLED:CONDITION_ENABLED);
    this->disabled = disabled;
    nodeConditions.add(this->disabled == true?CONDITION_DISABLED:CONDITION_ENABLED);
    isActionPerforming = false;
}
 
void GUIElementController::initialize()
{
    this->node->getScreenNode()->addTickNode(this->node);
    setDisabled(disabled);
}
 
void GUIElementController::dispose()
{
}
 
void GUIElementController::postLayout()
{
}
 
void GUIElementController::handleMouseEvent(GUINode* node, GUIMouseEvent* event)
{
    if (disabled == true) return;
    auto elementNode = required_dynamic_cast<GUIElementNode*>(this->node);
    if (node == elementNode && elementNode->isEventBelongingToNode(event) == true && event->getButton() == MOUSE_BUTTON_LEFT) {
        if (event->getType() == GUIMouseEvent::MOUSEEVENT_PRESSED) {
            elementNode->getActiveConditions().add(GUIElementNode::CONDITION_CLICK);
            isActionPerforming = true;
            if (elementNode->isFocusable() == true) {
                node->getScreenNode()->getGUI()->setFoccussedNode(elementNode);
            }
            mouseLastX = event->getXUnscaled();
            mouseLastY = event->getYUnscaled();
            event->setProcessed(true);
        } else
        if (event->getType() == GUIMouseEvent::MOUSEEVENT_DRAGGED) {
            isActionPerforming = true;
            //
            if (Math::abs(mouseLastX - event->getX()) > 7 ||
                Math::abs(mouseLastY - event->getY()) > 7) {
                node->getScreenNode()->forwardDragRequest(elementNode, event->getXUnscaled(), event->getYUnscaled());
            }
        } else
        if (event->getType() == GUIMouseEvent::MOUSEEVENT_RELEASED) {
            elementNode->getActiveConditions().remove(GUIElementNode::CONDITION_CLICK);
            isActionPerforming = false;
            auto now = Time::getCurrentMillis();
            if (timeLastClicked != -1LL) {
                if (now - timeLastClicked < TIME_DOUBLECLICK) {
                    auto onMouseDoubleClickExpression = elementNode->getOnMouseDoubleClickExpression();
                    if (onMouseDoubleClickExpression.size() > 0) {
                        GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseDoubleClickExpression);
                    } else {
                        auto onMouseClickExpression = elementNode->getOnMouseClickExpression();
                        if (onMouseClickExpression.size() > 0) GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseClickExpression);
                        node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMED, elementNode);
                    }
                    timeLastClicked = -1LL;
                } else {
                    auto onMouseClickExpression = elementNode->getOnMouseClickExpression();
                    if (onMouseClickExpression.size() > 0) GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseClickExpression);
                    node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMED, elementNode);
                    timeLastClicked = -1LL;
                }
            } else {
                auto onMouseDoubleClickExpression = elementNode->getOnMouseDoubleClickExpression();
                if (onMouseDoubleClickExpression.size() > 0) {
                    timeLastClicked = now;
                } else {
                    auto onMouseClickExpression = elementNode->getOnMouseClickExpression();
                    if (onMouseClickExpression.size() > 0) GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseClickExpression);
                    node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMED, elementNode);
                }
            }
            //
            mouseLastX = -1;
            mouseLastY = -1;
            event->setProcessed(true);
        }
    } else
    if (node == elementNode && elementNode->isEventBelongingToNode(event) == true && event->getButton() == MOUSE_BUTTON_RIGHT) {
        if (event->getType() == GUIMouseEvent::MOUSEEVENT_PRESSED) {
            node->getScreenNode()->forwardContextMenuRequest(elementNode, event->getXUnscaled(), event->getYUnscaled());
        }
        event->setProcessed(true);
    } else
    if (node == elementNode && event->getType() == GUIMouseEvent::MOUSEEVENT_RELEASED && event->getButton() == MOUSE_BUTTON_LEFT && elementNode->getActiveConditions().has(GUIElementNode::CONDITION_CLICK)) {
        elementNode->getActiveConditions().remove(GUIElementNode::CONDITION_CLICK);
        event->setProcessed(true);
    } else
    if (event->getType() == GUIMouseEvent::MOUSEEVENT_MOVED) {
        if (elementNode->isEventBelongingToNode(event) == true) {
            if (elementNode->getOptionValue("mouse-cursor") == "hand") Application::setMouseCursor(MOUSE_CURSOR_HAND);
            node->getScreenNode()->forwardMouseOver(elementNode);
            elementNode->getActiveConditions().add(GUIElementNode::CONDITION_ONMOUSEOVER);
            node->getScreenNode()->getGUI()->addMouseOutCandidateNode(elementNode);
            auto onMouseOverExpression = elementNode->getOnMouseOverExpression();
            if (onMouseOverExpression.size() > 0) GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseOverExpression);
        } else {
            if (elementNode->getOptionValue("mouse-cursor") == "hand") Application::setMouseCursor(MOUSE_CURSOR_NORMAL);
            elementNode->getActiveConditions().remove(GUIElementNode::CONDITION_ONMOUSEOVER);
            auto onMouseOutExpression = elementNode->getOnMouseOutExpression();
            if (onMouseOutExpression.size() > 0) GUIElementNode::executeExpression(elementNode->getScreenNode(), onMouseOutExpression);
        }
    } else {
        isActionPerforming = false;
    }
}
 
void GUIElementController::handleKeyboardEvent(GUIKeyboardEvent* event)
{
    if (disabled == false) {
        switch (event->getKeyCode()) {
            case GUIKeyboardEvent::KEYCODE_SPACE: {
                    event->setProcessed(true);
                    if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                        auto onMouseClickExpression = required_dynamic_cast<GUIElementNode*>(node)->getOnMouseClickExpression();
                        if (onMouseClickExpression.size() > 0) GUIElementNode::executeExpression(node->getScreenNode(), onMouseClickExpression);
                        node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMED, required_dynamic_cast<GUIElementNode*>(node));
                    }
                }
                break;
            default: {
                    break;
                }
        }
    }
}
 
void GUIElementController::tick()
{
    if (initialized == false) {
        auto onInitializeExpression = required_dynamic_cast<GUIElementNode*>(node)->getOnInitializeExpression();
        if (onInitializeExpression.size() > 0) GUIElementNode::executeExpression(node->getScreenNode(), onInitializeExpression);
        initialized = true;
        // TODO: check me, the following code has performance relevance!!!
        // auto onMouseClickExpression = required_dynamic_cast<GUIElementNode*>(node)->getOnMouseClickExpression();
        // if (onMouseClickExpression.size() == 0) node->getScreenNode()->removeTickNode(node);
    }
 
    auto now = Time::getCurrentMillis();
    if (timeLastClicked != -1LL && now - timeLastClicked >= TIME_DOUBLECLICK) {
        timeLastClicked = -1LL;
        auto onMouseClickExpression = required_dynamic_cast<GUIElementNode*>(node)->getOnMouseClickExpression();
        if (onMouseClickExpression.size() > 0) GUIElementNode::executeExpression(node->getScreenNode(), onMouseClickExpression);
        node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMED, required_dynamic_cast<GUIElementNode*>(node));
    }
 
    if (isActionPerforming == true) {
        if (disabled == true) {
            isActionPerforming = false;
            return;
        }
        node->getScreenNode()->forwardAction(GUIActionListenerType::PERFORMING, required_dynamic_cast<GUIElementNode*>(node));
    }
}
 
void GUIElementController::onFocusGained()
{
}
 
void GUIElementController::onFocusLost()
{
}
 
bool GUIElementController::hasValue()
{
    return false;
}
 
const MutableString& GUIElementController::getValue()
{
    return value;
}
 
void GUIElementController::setValue(const MutableString& value)
{
}
 
void GUIElementController::onSubTreeChange()
{
}