UITapGestureRecognizer impl

XITRIX · Dec 17, 2024 · 8d104df · 8d104df
1 parent 9ea6010
commit 8d104df
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Showing 5 changed files with 99 additions and 1 deletion.
diff --git a/Submodules/UIKit/CMakeLists.txt b/Submodules/UIKit/CMakeLists.txt
@@ -36,6 +36,7 @@ add_library(UIKit
         lib/UIPress.cpp
         lib/UIPressesEvent.cpp
         lib/UIResponder.cpp
+        lib/UITapGestureRecognizer.cpp
         lib/UITouch.cpp
         lib/UIView.cpp
         lib/UIViewAnimationGroup.cpp

diff --git a/Submodules/UIKit/include/UIKit.h b/Submodules/UIKit/include/UIKit.h
@@ -9,3 +9,4 @@
 #include <UIImageView.h>
 #include <UILabel.h>
 #include <UIViewController.h>
+#include <UITapGestureRecognizer.h>
diff --git a/Submodules/UIKit/include/UITapGestureRecognizer.h b/Submodules/UIKit/include/UITapGestureRecognizer.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <UIGestureRecognizer.h>
+#include <Geometry.h>
+
+namespace NXKit {
+
+class UITapGestureRecognizer: public UIGestureRecognizer {
+public:
+    void touchesBegan(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) override;
+    void touchesMoved(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) override;
+    void touchesEnded(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) override;
+
+    void pressesBegan(std::vector<std::shared_ptr<UIPress>> presses, std::shared_ptr<UIPressesEvent> event) override;
+    void pressesEnded(std::vector<std::shared_ptr<UIPress>> presses, std::shared_ptr<UIPressesEvent> event) override;
+
+private:
+    std::shared_ptr<UITouch> trackingTouch;
+    NXPoint startPoint;
+};
+
+}
diff --git a/Submodules/UIKit/lib/UITapGestureRecognizer.cpp b/Submodules/UIKit/lib/UITapGestureRecognizer.cpp
@@ -0,0 +1,55 @@
+#include <UITapGestureRecognizer.h>
+#include <UITouch.h>
+#include <UIPress.h>
+
+namespace NXKit {
+
+#define THRESHOLD 10
+
+void UITapGestureRecognizer::touchesBegan(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) {
+    UIGestureRecognizer::touchesBegan(touches, event);
+    if (!trackingTouch) {
+        trackingTouch = touches[0];
+        startPoint = trackingTouch->locationIn(this->view().lock());
+    }
+}
+
+void UITapGestureRecognizer::touchesMoved(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) {
+    UIGestureRecognizer::touchesMoved(touches, event);
+    if (trackingTouch == touches[0]) {
+        NXPoint diff = startPoint - trackingTouch->locationIn(this->view().lock());
+        if (abs(diff.x) >= THRESHOLD || abs(diff.y) >= THRESHOLD) {
+            setState(UIGestureRecognizerState::failed);
+            trackingTouch = nullptr;
+        }
+    }
+}
+
+void UITapGestureRecognizer::touchesEnded(std::vector<std::shared_ptr<UITouch>> touches, std::shared_ptr<UIEvent> event) {
+    UIGestureRecognizer::touchesEnded(touches, event);
+    if (trackingTouch == touches[0]) {
+        setState(UIGestureRecognizerState::ended);
+        trackingTouch = nullptr;
+    }
+}
+
+void UITapGestureRecognizer::pressesBegan(std::vector<std::shared_ptr<UIPress>> presses, std::shared_ptr<UIPressesEvent> event) {
+    UIGestureRecognizer::pressesBegan(presses, event);
+    if (presses.empty()) return;
+
+    if (presses[0]->key()->type() == UIPressType::select) {
+        setState(UIGestureRecognizerState::began);
+    }
+}
+
+void UITapGestureRecognizer::pressesEnded(std::vector<std::shared_ptr<UIPress>> presses, std::shared_ptr<UIPressesEvent> event) {
+    UIGestureRecognizer::pressesEnded(presses, event);
+
+    if (presses.empty()) return;
+
+    if (presses[0]->key()->type() == UIPressType::select) {
+        setState(UIGestureRecognizerState::ended);
+    }
+}
+
+}
diff --git a/app/Screens/TestViewController/TestViewController.cpp b/app/Screens/TestViewController/TestViewController.cpp
@@ -87,7 +87,7 @@ void TestViewController::loadView() {
     subview->setBackgroundColor(UIColor::tint);
     subview->layer()->setCornerRadius(10);
     subview->setAlpha(0.5);
-//    subview->setClipsToBounds(true);
+    //    subview->setClipsToBounds(true);
 
     rootView->addSubview(subview);
 
@@ -129,6 +129,25 @@ void TestViewController::loadView() {
 
     switchLabelText(label2);
 
+    auto button = new_shared<UILabel>();
+    button->setText("Press me!");
+    button->setFontWeight(600);
+    button->setTextAlignment(NSTextAlignment::center);
+    button->setFrame({ 100, 300, 200, 60 });
+    button->layer()->setCornerRadius(12);
+    button->setBackgroundColor(UIColor::tint);
+    rootView->addSubview(button);
+
+    auto tapGesture = new_shared<UITapGestureRecognizer>();
+    tapGesture->onStateChanged = [button](UIGestureRecognizerState status) {
+        if (status == NXKit::UIGestureRecognizerState::ended) {
+            static bool toggle = false;
+            toggle = !toggle;
+            button->setText(toggle ? "You did it!!!!" : "Another text, keep trying!!!!!");
+        }
+    };
+    button->addGestureRecognizer(tapGesture);
+
     setView(rootView);
 }