162 lines
3.5 KiB
C++
162 lines
3.5 KiB
C++
#ifndef GUI_BUTTON_H__
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#define GUI_BUTTON_H__
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#include "GUI/TextureFrame.h"
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#include "GUI/EButtonEnter.h"
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#include "GUI/EButtonLeave.h"
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#include "GUI/EButtonPress.h"
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#include "GUI/EButtonRelease.h"
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#include "Core/EMouseMove.h"
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#include "Core/EMousePress.h"
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#include "Core/EMouseRelease.h"
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namespace dd
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{
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namespace GUI
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{
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class Button : public TextureFrame
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{
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public:
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Button(Frame* parent, std::string name)
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: TextureFrame(parent, name)
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{
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EVENT_SUBSCRIBE_MEMBER(m_EMouseMove, &Button::OnMouseMove);
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EVENT_SUBSCRIBE_MEMBER(m_EMousePress, &Button::OnMousePress);
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EVENT_SUBSCRIBE_MEMBER(m_EMouseRelease, &Button::OnMouseRelease);
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}
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void SetTextureHover(std::string resourceName)
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{
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m_TextureHover = resourceName;
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}
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void SetTextureReleased(std::string resourceName)
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{
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m_TextureReleased = resourceName;
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SetTexture(resourceName);
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}
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void SetTexturePressed(std::string resourceName)
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{
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m_TexturePressed = resourceName;
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}
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void Draw(RenderQueueCollection& rq) override
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{
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if (m_Texture == nullptr && !m_TextureReleased.empty()) {
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SetTexture(m_TextureReleased);
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}
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TextureFrame::Draw(rq);
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}
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virtual void OnEnter() { }
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virtual void OnLeave() { }
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virtual void OnPress() { }
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virtual void OnRelease() { }
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protected:
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bool m_MouseIsOver = false;
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bool m_IsDown = false;
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virtual bool OnMouseMove(const Events::MouseMove& event)
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{
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if (Hidden()) {
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return false;
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}
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bool isOver = Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1));
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if (isOver && !m_MouseIsOver) { // Enter
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if (!m_IsDown) {
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if (!m_TextureHover.empty()) {
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SetTexture(m_TextureHover);
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}
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}
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OnEnter();
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Events::ButtonEnter e;
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e.FrameName = m_Name;
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EventBroker->Publish(e);
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} else if (!isOver && m_MouseIsOver) { // Leave
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if (!m_IsDown) {
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if (!m_TextureReleased.empty()) {
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SetTexture(m_TextureReleased);
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}
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}
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OnLeave();
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Events::ButtonLeave e;
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e.FrameName = m_Name;
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EventBroker->Publish(e);
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}
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m_MouseIsOver = isOver;
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return true;
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}
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virtual bool OnMousePress(const Events::MousePress& event)
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{
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if (Hidden()) {
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LOG_DEBUG("Pressed hidden button");
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return false;
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}
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if (!Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1))) {
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return false;
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}
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if (!m_TexturePressed.empty()) {
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SetTexture(m_TexturePressed);
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}
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m_IsDown = true;
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OnPress();
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Events::ButtonPress e;
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e.FrameName = m_Name;
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e.Button = this;
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EventBroker->Publish(e);
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return true;
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}
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virtual bool OnMouseRelease(const Events::MouseRelease& event)
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{
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if (Hidden()) {
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LOG_DEBUG("Released hidden button");
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return false;
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}
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bool isOver = Rectangle::Intersects(AbsoluteRectangle(), Rectangle(event.X, event.Y, 1, 1));
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if (!isOver && !m_IsDown) {
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return false;
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}
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if (m_MouseIsOver) {
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if (!m_TextureHover.empty()) {
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SetTexture(m_TextureHover);
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}
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} else {
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if (!m_TextureReleased.empty()) {
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SetTexture(m_TextureReleased);
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}
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}
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m_IsDown = false;
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OnRelease();
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Events::ButtonRelease e;
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e.FrameName = m_Name;
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e.Button = this;
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EventBroker->Publish(e);
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return true;
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}
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private:
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EventRelay<Frame, Events::MouseMove> m_EMouseMove;
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EventRelay<Frame, Events::MousePress> m_EMousePress;
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EventRelay<Frame, Events::MouseRelease> m_EMouseRelease;
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std::string m_TextureHover;
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std::string m_TexturePressed;
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std::string m_TextureReleased;
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};
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}
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}
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#endif
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