From 81bf4eccba449bfe2b6adfb51260108aec710d4f Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Thu, 28 Aug 2025 11:20:29 +0200
Subject: input: Add fully configurable trackpad gestures (#11490)

Adds configurable trackpad gestures
---
 .../input/trackpad/gestures/FloatGesture.cpp       | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/managers/input/trackpad/gestures/FloatGesture.cpp

(limited to 'src/managers/input/trackpad/gestures/FloatGesture.cpp')

diff --git a/src/managers/input/trackpad/gestures/FloatGesture.cpp b/src/managers/input/trackpad/gestures/FloatGesture.cpp
new file mode 100644
index 00000000..97e4c98f
--- /dev/null
+++ b/src/managers/input/trackpad/gestures/FloatGesture.cpp
@@ -0,0 +1,88 @@
+#include "FloatGesture.hpp"
+
+#include "../../../../Compositor.hpp"
+#include "../../../../managers/LayoutManager.hpp"
+#include "../../../../render/Renderer.hpp"
+
+constexpr const float MAX_DISTANCE = 250.F;
+
+//
+static Vector2D lerpVal(const Vector2D& from, const Vector2D& to, const float& t) {
+    return Vector2D{
+        from.x + ((to.x - from.x) * t),
+        from.y + ((to.y - from.y) * t),
+    };
+}
+
+CFloatTrackpadGesture::CFloatTrackpadGesture(const std::string_view& data) {
+    std::string lc = std::string{data};
+    std::ranges::transform(lc, lc.begin(), ::tolower);
+
+    if (lc.starts_with("float"))
+        m_mode = FLOAT_MODE_FLOAT;
+    else if (lc.starts_with("tile"))
+        m_mode == FLOAT_MODE_TILE;
+    else
+        m_mode = FLOAT_MODE_TOGGLE;
+}
+
+void CFloatTrackpadGesture::begin(const ITrackpadGesture::STrackpadGestureBegin& e) {
+    ITrackpadGesture::begin(e);
+
+    m_window = g_pCompositor->m_lastWindow;
+
+    if (!m_window)
+        return;
+
+    if ((m_window->m_isFloating && m_mode == FLOAT_MODE_FLOAT) || (!m_window->m_isFloating && m_mode == FLOAT_MODE_TILE)) {
+        m_window.reset();
+        return;
+    }
+
+    m_window->m_isFloating = !m_window->m_isFloating;
+    g_pLayoutManager->getCurrentLayout()->changeWindowFloatingMode(m_window.lock());
+
+    m_posFrom  = m_window->m_realPosition->begun();
+    m_sizeFrom = m_window->m_realSize->begun();
+
+    m_posTo  = m_window->m_realPosition->goal();
+    m_sizeTo = m_window->m_realSize->goal();
+
+    m_lastDelta = 0.F;
+}
+
+void CFloatTrackpadGesture::update(const ITrackpadGesture::STrackpadGestureUpdate& e) {
+    if (!m_window)
+        return;
+
+    g_pHyprRenderer->damageWindow(m_window.lock());
+
+    m_lastDelta += distance(e);
+
+    const auto FADEPERCENT = std::clamp(m_lastDelta / MAX_DISTANCE, 0.F, 1.F);
+
+    m_window->m_realPosition->setValueAndWarp(lerpVal(m_posFrom, m_posTo, FADEPERCENT));
+    m_window->m_realSize->setValueAndWarp(lerpVal(m_sizeFrom, m_sizeTo, FADEPERCENT));
+
+    g_pDecorationPositioner->onWindowUpdate(m_window.lock());
+
+    g_pHyprRenderer->damageWindow(m_window.lock());
+}
+
+void CFloatTrackpadGesture::end(const ITrackpadGesture::STrackpadGestureEnd& e) {
+    if (!m_window)
+        return;
+
+    const auto COMPLETION = std::clamp(m_lastDelta / MAX_DISTANCE, 0.F, 1.F);
+
+    if (COMPLETION < 0.2F) {
+        // revert the animation
+        g_pHyprRenderer->damageWindow(m_window.lock());
+        m_window->m_isFloating = !m_window->m_isFloating;
+        g_pLayoutManager->getCurrentLayout()->changeWindowFloatingMode(m_window.lock());
+        return;
+    }
+
+    *m_window->m_realPosition = m_posTo;
+    *m_window->m_realSize     = m_sizeTo;
+}
-- 
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