From d61e4f9ad75d51f15eac6bced13439899d66a950 Mon Sep 17 00:00:00 2001
From: Jeremy Huang <66577496+thejch@users.noreply.github.com>
Date: Tue, 3 Oct 2023 14:16:57 -0700
Subject: master: add option to drag and drop windows at cursor position
 (#3465)

* add option to drag and drop a window at cursor position

* use getWindowIdealBoundingBoxIgnoreReserved
---
 src/config/ConfigManager.cpp |  1 +
 src/layout/MasterLayout.cpp  | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index d639df0c..42611be3 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -188,6 +188,7 @@ void CConfigManager::setDefaultVars() {
     configValues["master:inherit_fullscreen"].intValue     = 1;
     configValues["master:allow_small_split"].intValue      = 0;
     configValues["master:smart_resizing"].intValue         = 1;
+    configValues["master:drop_at_cursor"].intValue         = 1;
 
     configValues["animations:enabled"].intValue = 1;
 
diff --git a/src/layout/MasterLayout.cpp b/src/layout/MasterLayout.cpp
index 624ded2a..6fa168c4 100644
--- a/src/layout/MasterLayout.cpp
+++ b/src/layout/MasterLayout.cpp
@@ -132,6 +132,35 @@ void CHyprMasterLayout::onWindowCreatedTiling(CWindow* pWindow, eDirection direc
 
     pWindow->applyGroupRules();
 
+    static auto* const PDROPATCURSOR  = &g_pConfigManager->getConfigValuePtr("master:drop_at_cursor")->intValue;
+    const auto         PWORKSPACEDATA = getMasterWorkspaceData(pWindow->m_iWorkspaceID);
+    eOrientation       orientation    = PWORKSPACEDATA->orientation;
+    const auto         NODEIT         = std::find(m_lMasterNodesData.begin(), m_lMasterNodesData.end(), *PNODE);
+    if (*PDROPATCURSOR && g_pInputManager->dragMode == MBIND_MOVE) {
+        // if dragging window to move, drop it at the cursor position instead of bottom/top of stack
+        for (auto it = m_lMasterNodesData.begin(); it != m_lMasterNodesData.end(); ++it) {
+            const wlr_box box = it->pWindow->getWindowIdealBoundingBoxIgnoreReserved();
+            if (wlr_box_contains_point(&box, MOUSECOORDS.x, MOUSECOORDS.y)) { // TODO: Deny when not using mouse
+                switch (orientation) {
+                    case ORIENTATION_LEFT:
+                    case ORIENTATION_RIGHT:
+                        if (MOUSECOORDS.y > it->pWindow->middle().y)
+                            ++it;
+                        break;
+                    case ORIENTATION_TOP:
+                    case ORIENTATION_BOTTOM:
+                        if (MOUSECOORDS.x > it->pWindow->middle().x)
+                            ++it;
+                        break;
+                    case ORIENTATION_CENTER: break;
+                    default: UNREACHABLE();
+                }
+                m_lMasterNodesData.splice(it, m_lMasterNodesData, NODEIT);
+                break;
+            }
+        }
+    }
+
     if (*PNEWISMASTER || WINDOWSONWORKSPACE == 1 || (!pWindow->m_bFirstMap && OPENINGON->isMaster)) {
         for (auto& nd : m_lMasterNodesData) {
             if (nd.isMaster && nd.workspaceID == PNODE->workspaceID) {
-- 
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