ADD: ClickableUiComponent

CMakeLists.txt

@@ -236,6 +236,12 @@ add_executable(Dicewars_Siedler src/main.cpp
         src/engine/core/inputsOutputs/stateControl/inputUser/GameInputUser.h
         src/engine/core/inputsOutputs/stateControl/StateRegistry.cpp
         src/engine/core/inputsOutputs/stateControl/StateRegistry.h
+        src/engine/core/gui/uiComponent/ClickableUiComponent.cpp
+        src/engine/core/gui/uiComponent/ClickableUiComponent.h
+        src/engine/core/inputsOutputs/stateControl/inputUser/UiInputUser.cpp
+        src/engine/core/inputsOutputs/stateControl/inputUser/UiInputUser.h
+        src/engine/core/gui/uiComponent/EventData.cpp
+        src/engine/core/gui/uiComponent/EventData.h
 )
 
 target_compile_options(Dicewars_Siedler PRIVATE

src/engine/core/Application.cpp

@@ -50,12 +50,13 @@ Application::~Application()
 void Application::run() {
     while (!window->shouldClose())
     {
+        window->OnUpdate();
         updateTime();
         for (Layer* layer : layers)
         {
             layer->onUpdate();
         }
-        window->OnUpdate();
+
         InputManager::update();
 
         mouse->update();

src/engine/core/gui/uiComponent/ClickableUiComponent.cpp

@@ -0,0 +1,64 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#include "ClickableUiComponent.h"
+
+#include "../../Application.h"
+
+void ClickableUiComponent::checkMouseOver() {
+   glm::vec2 mousepos = Application::getInstance().mouse->getXY();
+   bool mouseOverStatus = UiComponent::isMouseOver(mousepos.x, mousepos.y);
+   if (this->mousedOver != mouseOverStatus) {
+      mouseOver(mouseOverStatus);
+   }
+}
+
+void ClickableUiComponent::checkClicks() {
+   checkMouseButton(MouseButton::LEFT, *Application::getInstance().mouse);
+   checkMouseButton(MouseButton::RIGHT, *Application::getInstance().mouse);
+   checkMouseButton(MouseButton::MIDDLE, *Application::getInstance().mouse);
+}
+
+void ClickableUiComponent::checkMouseButton(MouseButton button, Mouse &mouse) {
+   if (Application::getInstance().mouse->isClickEvent(button)) {
+      click(button, true);
+   } else if (Application::getInstance().mouse->isReleaseEvent(button)) {
+      click(button, false);
+   }
+}
+
+void ClickableUiComponent::onUpdate(float dt) {
+   if (blocked) return;
+
+   checkMouseOver();
+   if (mousedOver) {
+      checkClicks();
+   } else {
+      applyCurrentStyle(UiEventType::NONE);
+   }
+}
+
+void ClickableUiComponent::mouseOver(bool newMouseOverState) {
+   this->mousedOver = newMouseOverState;
+   // Todo: When complex animation system is integrated, triggering of animation starts here
+   applyCurrentStyle(UiEventType::MOUSE_OVER);
+   MouseEventData mouse_event_data = MouseEventData(std::nullopt, mousedOver);
+   fireEvent(mouse_event_data);
+}
+
+void ClickableUiComponent::click(MouseButton button, bool buttonDown) {
+   if (buttonDown) {
+      applyCurrentStyle(UiEventType::MOUSE_CLICK);
+   } else {
+      applyCurrentStyle(UiEventType::NONE);
+   }
+   fireEvent(MouseEventData(button, buttonDown));
+}
+
+void ClickableUiComponent::applyCurrentStyle(UiEventType eventType) {
+   if (visualStyles.contains(eventType)) {
+      currentVisualStyle = visualStyles.at(eventType);
+   }
+
+}

src/engine/core/gui/uiComponent/ClickableUiComponent.h

@@ -0,0 +1,62 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#ifndef DICEWARS_SIEDLER_CLICKABLEUICOMPONENT_H
+#define DICEWARS_SIEDLER_CLICKABLEUICOMPONENT_H
+#include "EventData.h"
+#include "UiComponent.h"
+
+struct VisualStyle {
+    float brightness = 1.0f;
+    glm::vec3 tintColor = glm::vec3(0.0f);
+    float tintStrength = 0.0f;
+};
+
+enum class UiEventType {
+    MOUSE_OVER,
+    MOUSE_CLICK,
+    NONE
+};
+
+class Mouse;
+
+class ClickableUiComponent : public UiComponent {
+public:
+    using MouseCallback = std::function<void(const MouseEventData&)>;
+    ClickableUiComponent(const LayoutStyle &style) : UiComponent(style) {};
+
+    void addMouseListener(MouseCallback callback) {
+        mouseListeners.push_back(std::move(callback));
+    }
+
+    void fireEvent(const MouseEventData& event) {
+        for (auto& listener: mouseListeners) {
+            listener(event);
+        }
+    }
+
+    void setVisualStyle(UiEventType eventType, const VisualStyle& style) {
+        visualStyles[eventType] = style;
+    }
+private:
+    std::vector<MouseCallback> mouseListeners;
+    bool blocked = false;
+    bool mousedOver = false;
+
+    void checkMouseOver();
+    void checkClicks();
+    void checkMouseButton(MouseButton button, Mouse& mouse);
+protected:
+    void onUpdate(float dt) override;
+    void mouseOver(bool newMouseOverState);
+    void click(MouseButton button, bool buttonDown);
+
+    VisualStyle currentVisualStyle; // für Rendering
+    std::unordered_map<UiEventType, VisualStyle> visualStyles;
+
+    void applyCurrentStyle(UiEventType eventType);
+};
+
+
+#endif //DICEWARS_SIEDLER_CLICKABLEUICOMPONENT_H

src/engine/core/gui/uiComponent/EventData.cpp

@@ -0,0 +1,5 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#include "EventData.h"

src/engine/core/gui/uiComponent/EventData.h

@@ -0,0 +1,39 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#ifndef DICEWARS_SIEDLER_EVENTDATA_H
+#define DICEWARS_SIEDLER_EVENTDATA_H
+
+
+enum class MouseButton;
+
+#include <optional>
+
+struct MouseEventData {
+    std::optional<MouseButton> button;
+    bool eventState;
+
+    MouseEventData(std::optional<MouseButton> btn, bool state)
+        : button(btn), eventState(state) {}
+
+    bool isClick(MouseButton btn) const {
+        return eventState && button.has_value() && button.value() == btn;
+    }
+
+    bool isCompleteClick(MouseButton btn) const {
+        return !eventState && button.has_value() && button.value() == btn;
+    }
+
+    bool isMouseOver() const {
+        return eventState && !button.has_value();
+    }
+
+    bool isMouseOff() const {
+        return !eventState && !button.has_value();
+    }
+};
+
+
+
+#endif //DICEWARS_SIEDLER_EVENTDATA_H

src/engine/core/gui/uiComponent/UiButton.cpp

@@ -8,20 +8,17 @@
 
 #include "UiText.h"
 
-UiButton::UiButton(const GLuint textureID, std::string label, Font &font, const LayoutStyle &style): textureID(textureID), text(std::move(label)), font(font), UiComponent(style) {
-}
-
-void UiButton::onClick() {
-    if (clickListener) {
-        clickListener();
-    }
+UiButton::UiButton(const GLuint textureID, std::string label, Font &font, const LayoutStyle &style): ClickableUiComponent(style), text(std::move(label)), font(font), textureID(textureID) {
+    visualStyles[UiEventType::NONE] = {1.0f, glm::vec3(0.0f), 0.0f};
+    visualStyles[UiEventType::MOUSE_OVER] = {1.15f, glm::vec3(0.0f), 0.0f};
+    visualStyles[UiEventType::MOUSE_CLICK] = {1.0f, glm::vec3(0.3f, 0.6f, 1.0f), 0.15f};
 }
 
 void UiButton::onCollectRenderData(UiRenderBundle &uiRenderBundle) {
     glm::vec2 position = glm::vec2(uiPositioner.screenSpace.x, uiPositioner.screenSpace.y);
     glm::vec2 size = glm::vec2(uiPositioner.screenSpace.width, uiPositioner.screenSpace.height);
 
-    VisualStyle visualStyle = getVisualStyle();
+    VisualStyle visualStyle = currentVisualStyle;
 
     GUITextureBuilder textureBuilder;
     textureBuilder = textureBuilder.Foreground(textureID);
@@ -35,14 +32,3 @@ void UiButton::onCollectRenderData(UiRenderBundle &uiRenderBundle) {
 
     uiRenderBundle.addGUIText(std::make_shared<GUIText>(font, text, uiPositioner.screenSpace));
 }
-
-VisualStyle UiButton::getVisualStyle() const {
-    switch (state) {
-        case UiElementState::PRESSED:
-            return {1.0f, glm::vec3(0.3, 0.6, 1.0), 0.15f};
-        case UiElementState::HOVERED:
-            return {1.15f, glm::vec3(0.0f), 0.0f};
-        default:
-            return {};
-    }
-}

src/engine/core/gui/uiComponent/UiButton.h

@@ -4,25 +4,16 @@
 
 #ifndef DICEWARS_SIEDLER_UIBUTTON_H
 #define DICEWARS_SIEDLER_UIBUTTON_H
+#include "ClickableUiComponent.h"
 #include "UiComponent.h"
 
-struct VisualStyle {
-    float brightness = 1.0f;
-    glm::vec3 tintColor = glm::vec3(0.0f);
-    float tintStrength = 0.0f;
-};
 
 class Font;
 
-class UiButton : public UiComponent{
+class UiButton : public ClickableUiComponent {
 public:
     UiButton(GLuint textureID, std::string label, Font& font, const LayoutStyle& style);
-    void setOnClick(std::function<void()> callback) {
-        printf("Clicklister added!\n");
-        clickListener = std::move(callback);
-    }
 
-    void onClick() override;
 protected:
     void onCollectRenderData(UiRenderBundle &uiRenderBundle) override;
 
@@ -30,10 +21,6 @@ private:
     std::string text;
     Font& font;
     GLuint textureID;
-
-    VisualStyle getVisualStyle() const;
-
-    std::function<void()> clickListener;
 };
 
 

src/engine/core/gui/uiComponent/UiComponent.cpp

@@ -52,22 +52,6 @@ UiComponent* UiComponent::getChildAtIndex(size_t t) const {
 }
 
 void UiComponent::onUpdate(float) {
-    glm::vec2 mousePos = InputManager::getMousePositionNormalized();
-    bool hoveredNow = isMouseOver(mousePos.x, mousePos.y);
 
-    bool pressedThisFrame = hoveredNow && InputManager::isMouseButtonPressed(GLFW_MOUSE_BUTTON_LEFT);
-    bool releasedFrame = InputManager::isMouseButtonReleased(GLFW_MOUSE_BUTTON_LEFT);
-
-    if (pressedThisFrame) {
-        state = UiElementState::PRESSED;
-    } else if (releasedFrame) {
-        if (state == UiElementState::PRESSED && hoveredNow) {
-            onClick();
-        }
-        state = hoveredNow ? UiElementState::HOVERED : UiElementState::NORMAL;
-    } else {
-        if (state != UiElementState::PRESSED)
-            state = hoveredNow ? UiElementState::HOVERED : UiElementState::NORMAL;
-    }
 
 }

src/engine/core/gui/uiComponent/UiComponent.h

@@ -37,14 +37,11 @@ public:
     void setLayoutStyle(const LayoutStyle& style) {
         uiPositioner.setLayout(style);
     }
-
-    [[nodiscard]] bool isHovered() const { return state == UiElementState::HOVERED; }
     virtual void onClick() {};
 
     UiComponent* getChildAtIndex(size_t t) const;
 protected:
     bool visible = true;
-    UiElementState state = UiElementState::NORMAL;
 
     virtual void onUpdate(float );
     virtual void onCollectRenderData(UiRenderBundle& uiRenderBundle) {}

src/engine/core/inputsOutputs/inputs/Mouse.cpp

@@ -46,10 +46,16 @@ float Mouse::getScroll() {
 }
 
 void Mouse::update() {
-    buttonsClickedThisFrame.clear();
-    buttonsReleasedThisFrame.clear();
+
     updateDetlas();
     scroll = 0.0f;
+
+    buttonsClickedThisFrame.clear();
+    buttonsReleasedThisFrame.clear();
+}
+
+glm::vec2 Mouse::getXY() const {
+    return {x, y};
 }
 
 void Mouse::reportButtonClick(int button) {

src/engine/core/inputsOutputs/inputs/Mouse.h

@@ -7,6 +7,7 @@
 #include <unordered_set>
 
 #include "MouseButton.h"
+#include "glm/vec2.hpp"
 
 class Window;
 
@@ -22,6 +23,7 @@ public:
     float getDY();
     float getScroll();
     void update();
+    glm::vec2 getXY() const;
 private:
     std::unordered_set<int> buttonsDown;
     std::unordered_set<int> buttonsClickedThisFrame;

src/engine/core/inputsOutputs/stateControl/inputUser/UiInputUser.cpp

@@ -0,0 +1,5 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#include "UiInputUser.h"

src/engine/core/inputsOutputs/stateControl/inputUser/UiInputUser.h

@@ -0,0 +1,14 @@
+//
+// Created by sebastian on 15.02.26.
+//
+
+#ifndef DICEWARS_SIEDLER_UIINPUTUSER_H
+#define DICEWARS_SIEDLER_UIINPUTUSER_H
+#include "../InputUser.h"
+
+
+class UiInputUser : public InputUser {
+};
+
+
+#endif //DICEWARS_SIEDLER_UIINPUTUSER_H

src/game/UILayer.cpp

@@ -27,6 +27,7 @@ UILayer::UILayer() {
     Loader& loader = Loader::instance();
     guiRenderer = std::make_unique<GUIRenderer>(loader);
     textRenderer = std::make_unique<TextRenderer>();
+    uiInputUser = std::make_unique<UiInputUser>();
 }
 
 void UILayer::onAttach() {
@@ -94,8 +95,19 @@ void UILayer::onAttach() {
     auto minimap = std::make_unique<UiImage>(minimapTextureID, backgroundTextureID, minimapStyle);
     rootContainer->addChild(std::move(minimap));
 
-    float screenHeight = Application::getInstance().getWindow().GetHeight();
-    float menuHeight = 200.f;
+    LayoutStyle style;
+    style.width = SizeValue(200, SizeUnit::Pixels);
+    style.height = SizeValue(50.f, SizeUnit::Pixels);
+    style.margin.top = {10.f, SizeUnit::Pixels};
+    style.margin.left = {20.f, SizeUnit::Pixels};
+
+    auto uiButton = std::make_unique<UiButton>(AssetManager::getTexture("background")->getTextureID(), "Test", *font , style);
+    uiButton->addMouseListener([](const MouseEventData& e) {
+       if (e.isClick(MouseButton::LEFT)) {
+           std::cout << "Button clicked!" << std::endl;
+       }
+    });
+    rootContainer->addChild(std::move(uiButton));
 
     auto buildingMenuContainer = std::make_unique<UiBuildingMenuContainer>();
     auto buildingMenuContainerContainer = std::make_unique<UiContainer>();
@@ -107,6 +119,8 @@ void UILayer::onAttach() {
     buildingMenuContainerContainer->addChild(std::move(buildingMenuContainer));
 
     rootContainer->addChild(std::move(buildingMenuContainerContainer));
+
+    Application::getInstance().stateManager->registerMouseUser(uiInputUser.get(), {StateRegistry::get().uiState});
 }
 
 void UILayer::onUpdate() {
@@ -124,7 +138,10 @@ void UILayer::onUpdate() {
 
     Dimensions rootParent {0.0, 0.0, 1.0, 1.0f};
     rootContainer->uiPositioner.compute(rootParent);
-    rootContainer->update(0.f); //Todo: Determine frame time
+    if (uiInputUser->isMouseEnabled()) {
+        rootContainer->update(0.f); //Todo: Determine frame time
+    }
+
 
     UiRenderBundle renderBundle;
     if (rootContainer) {

src/game/UILayer.h

@@ -10,6 +10,7 @@
 #include "../engine/core/events/EventBus.h"
 #include "../engine/core/gui/text/Font.h"
 #include "../engine/core/gui/uiMain/UiContainer.h"
+#include "../engine/core/inputsOutputs/stateControl/inputUser/UiInputUser.h"
 #include "../engine/layer/Layer.h"
 #include "../engine/renderer/GUIRenderer.h"
 #include "../engine/renderer/TextRenderer.h"
@@ -25,6 +26,7 @@ private:
     std::unique_ptr<Font> mediumFont;
     std::unique_ptr<UiContainer> rootContainer;
 
+    std::unique_ptr<UiInputUser> uiInputUser;
     size_t inventoryContainerID;
     size_t turnTextID;