From 6cf973195953fcc6e79c9ade928fdf3069d84127 Mon Sep 17 00:00:00 2001
From: Krzosa Karol <krzosa@proton.me>
Date: Thu, 1 Jan 2026 13:48:21 +0100
Subject: [PATCH] Wheel scrolling

---
 src/backup/todo.txt             |  1 -
 src/text_editor/globals.cpp     |  1 +
 src/text_editor/text_editor.cpp | 21 +++++++++++++++++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/backup/todo.txt b/src/backup/todo.txt
index 60ffb5a..0d51cae 100644
--- a/src/backup/todo.txt
+++ b/src/backup/todo.txt
@@ -2,7 +2,6 @@
 ! From a user (novice) point of view, how does it look like?
 
 - Make a fuzzy command !> grep and fuzzy over it??? (doesn't seem very useful for grep)
-- Maybe wheel click should scroll??? PROBABLY
 
 - Make all the keybinding / hook parsing initialize at the start to reduce runtime problems
 - RegisterCommand should_appear_in_listing variable
diff --git a/src/text_editor/globals.cpp b/src/text_editor/globals.cpp
index 6f021ba..94365d7 100644
--- a/src/text_editor/globals.cpp
+++ b/src/text_editor/globals.cpp
@@ -44,6 +44,7 @@ WindowID DocumentSelected  = {-1};
 WindowID ResizerSelected = {-1};
 WindowID ResizerHover = {-1};
 Caret    DocumentAnchor;
+Vec2I    MouseMiddleAnchor;
 
 Buffer *GCInfoBuffer;
 Buffer *EventBuffer;
diff --git a/src/text_editor/text_editor.cpp b/src/text_editor/text_editor.cpp
index 84e2569..4a4e7e3 100644
--- a/src/text_editor/text_editor.cpp
+++ b/src/text_editor/text_editor.cpp
@@ -58,6 +58,8 @@ void SetMouseCursor(SDL_SystemCursor id) {
         JS_SetMouseCursor("default");
     } else if (id == SDL_SYSTEM_CURSOR_TEXT) {
         JS_SetMouseCursor("text");
+    } else if (id == SDL_SYSTEM_CURSOR_MOVE) {
+        JS_SetMouseCursor("all-scroll");
     } else {
         InvalidCodepath();
     }
@@ -104,6 +106,11 @@ void SetMouseCursor(Event event) {
         return;
     }
 
+    if (MouseMiddleAnchor.x != 0 && MouseMiddleAnchor.y != 0) {
+        SetMouseCursor(SDL_SYSTEM_CURSOR_MOVE);
+        return;
+    }
+
     For(order) {
         if (!it->visible) continue;
         bool mouse_in_total     = AreOverlapping(mouse, it->total_rect);
@@ -315,6 +322,20 @@ void OnCommand(Event event) {
         MouseLoadWord(event);
     }
 
+    {
+        Vec2I mouse = MouseVec2I();
+        if (Mouse(MIDDLE)) {
+            MouseMiddleAnchor = mouse;
+        } else if (Mouse(MIDDLE_UP)) {
+            MouseMiddleAnchor = {0, 0};
+        }
+        if (MouseMiddleAnchor.x != 0) {
+            BSet active = GetBSet(ActiveWindowID);
+            active.view->scroll += mouse - MouseMiddleAnchor;
+        }
+    }
+
+
     if (Ctrl() && Mouse(LEFT)) {
         MouseLoadWord(event);
     } else if (Mouse(LEFT)) { // Uses Alt and shift