From d8a7fd2a145711e588fb7d67908ac23c8b47e3c7 Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Fri, 4 Mar 2022 20:14:07 +0100
Subject: [PATCH] Handle configure requests and GTK MOVERESIZE message

---
 src/defines.hpp       |  7 ++++++-
 src/events/events.cpp | 23 +++++++++++++++++++++++
 src/events/events.hpp |  1 +
 src/windowManager.cpp | 31 +++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/src/defines.hpp b/src/defines.hpp
index 451ee10..ab6a3f6 100644
--- a/src/defines.hpp
+++ b/src/defines.hpp
@@ -92,4 +92,9 @@
 #define RETURNIFBAR  if (g_pWindowManager->statusBar) return;
 #define RETURNIFMAIN if (!g_pWindowManager->statusBar) return;
 
-#define COLORDELTAOVERX(c, c1, d) (abs(RED(c) - RED(c1)) > d / 255.f || abs(GREEN(c) - GREEN(c1)) > d / 255.f || abs(BLUE(c) - BLUE(c1)) > d / 255.f || abs(ALPHA(c) - ALPHA(c1)) > d / 255.f)
\ No newline at end of file
+#define COLORDELTAOVERX(c, c1, d) (abs(RED(c) - RED(c1)) > d / 255.f || abs(GREEN(c) - GREEN(c1)) > d / 255.f || abs(BLUE(c) - BLUE(c1)) > d / 255.f || abs(ALPHA(c) - ALPHA(c1)) > d / 255.f)
+
+#define _NET_MOVERESIZE_WINDOW_X (1 << 8)
+#define _NET_MOVERESIZE_WINDOW_Y (1 << 9)
+#define _NET_MOVERESIZE_WINDOW_WIDTH (1 << 10)
+#define _NET_MOVERESIZE_WINDOW_HEIGHT (1 << 11)
\ No newline at end of file
diff --git a/src/events/events.cpp b/src/events/events.cpp
index a9104c3..82da796 100644
--- a/src/events/events.cpp
+++ b/src/events/events.cpp
@@ -863,6 +863,29 @@ void Events::eventClientMessage(xcb_generic_event_t* event) {
     }
 }
 
+void Events::eventConfigure(xcb_generic_event_t* event) {
+    const auto E = reinterpret_cast<xcb_configure_request_event_t*>(event);
+
+    Debug::log(LOG, "Window " + std::to_string(E->window) + " requests XY: " + std::to_string(E->x) + ", " + std::to_string(E->y) + ", WH: " + std::to_string(E->width) + "x" + std::to_string(E->height));
+
+    auto *const PWINDOW = g_pWindowManager->getWindowFromDrawable(E->window);
+
+    if (!PWINDOW) {
+        Debug::log(LOG, "CONFIGURE: Window doesn't exist, ignoring.");
+        return;
+    }
+
+    if (!PWINDOW->getIsFloating()) {
+        Debug::log(LOG, "CONFIGURE: Window isn't floating, ignoring.");
+        return;
+    }
+
+    PWINDOW->setDefaultPosition(Vector2D(E->x, E->y));
+    PWINDOW->setDefaultSize(Vector2D(E->width, E->height));
+    PWINDOW->setEffectiveSize(PWINDOW->getDefaultSize());
+    PWINDOW->setEffectivePosition(PWINDOW->getDefaultPosition());
+}
+
 void Events::eventRandRScreenChange(xcb_generic_event_t* event) {
 
     // fix sus randr events, that sometimes happen
diff --git a/src/events/events.hpp b/src/events/events.hpp
index 47bc660..abbe107 100644
--- a/src/events/events.hpp
+++ b/src/events/events.hpp
@@ -16,6 +16,7 @@ namespace Events {
     EVENT(KeyPress);
     EVENT(MotionNotify);
     EVENT(ClientMessage);
+    EVENT(Configure);
 
     EVENT(RandRScreenChange);
 
diff --git a/src/windowManager.cpp b/src/windowManager.cpp
index fc14641..f2337d7 100644
--- a/src/windowManager.cpp
+++ b/src/windowManager.cpp
@@ -313,6 +313,10 @@ void CWindowManager::recieveEvent() {
                 Events::eventClientMessage(ev);
                 Debug::log(LOG, "Event dispatched CLIENT_MESSAGE");
                 break;
+            case XCB_CONFIGURE_REQUEST:
+                Events::eventConfigure(ev);
+                Debug::log(LOG, "Event dispatched CONFIGURE");
+                break;
 
             default:
 
@@ -2231,6 +2235,33 @@ void CWindowManager::handleClientMessage(xcb_client_message_event_t* E) {
         setFocusedWindow(PWINDOW->getDrawable());
 
         Debug::log(LOG, "Message recieved to set active for " + std::to_string(PWINDOW->getDrawable()));
+    } else if (E->type == HYPRATOMS["_NET_MOVERESIZE_WINDOW"]) {
+        void *const PEVENT = calloc(32, 1);
+        xcb_configure_request_event_t* const GENEV = (xcb_configure_request_event_t*)PEVENT;
+
+        GENEV->window = E->window;
+        GENEV->response_type = XCB_CONFIGURE_REQUEST;
+
+        GENEV->value_mask = 0;
+        if (E->data.data32[0] & _NET_MOVERESIZE_WINDOW_X) {
+            GENEV->value_mask |= XCB_CONFIG_WINDOW_X;
+            GENEV->x = E->data.data32[1];
+        }
+        if (E->data.data32[0] & _NET_MOVERESIZE_WINDOW_Y) {
+            GENEV->value_mask |= XCB_CONFIG_WINDOW_Y;
+            GENEV->y = E->data.data32[2];
+        }
+        if (E->data.data32[0] & _NET_MOVERESIZE_WINDOW_WIDTH) {
+            GENEV->value_mask |= XCB_CONFIG_WINDOW_WIDTH;
+            GENEV->width = E->data.data32[3];
+        }
+        if (E->data.data32[0] & _NET_MOVERESIZE_WINDOW_HEIGHT) {
+            GENEV->value_mask |= XCB_CONFIG_WINDOW_HEIGHT;
+            GENEV->height = E->data.data32[4];
+        }
+
+        Events::eventConfigure((xcb_generic_event_t*)GENEV);
+        free(GENEV);
     }
 }