From ec35dfd4e257454c03338e09a14597c8c50b8a66 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 23 Apr 2025 05:53:31 +0530
Subject: [PATCH] Scaffolding for selection upto surrounding whitespace

---
 kitty/fast_data_types.pyi | 1 +
 kitty/mouse.c             | 5 +++++
 kitty/options/utils.py    | 1 +
 3 files changed, 7 insertions(+)

diff --git a/kitty/fast_data_types.pyi b/kitty/fast_data_types.pyi
index 34c77ede0..aea54eb43 100644
--- a/kitty/fast_data_types.pyi
+++ b/kitty/fast_data_types.pyi
@@ -42,6 +42,7 @@ MOUSE_SELECTION_NORMAL: int
 MOUSE_SELECTION_WORD: int
 MOUSE_SELECTION_RECTANGLE: int
 MOUSE_SELECTION_LINE_FROM_POINT: int
+MOUSE_SELECTION_UPTO_SURROUNDING_WHITESPACE: int
 MOUSE_SELECTION_WORD_AND_LINE_FROM_POINT: int
 MOUSE_SELECTION_MOVE_END: int
 KITTY_VCS_REV: str
diff --git a/kitty/mouse.c b/kitty/mouse.c
index 5a42bc27a..2980be691 100644
--- a/kitty/mouse.c
+++ b/kitty/mouse.c
@@ -744,6 +744,7 @@ typedef enum MouseSelectionType {
     MOUSE_SELECTION_LINE_FROM_POINT,
     MOUSE_SELECTION_WORD_AND_LINE_FROM_POINT,
     MOUSE_SELECTION_MOVE_END,
+    MOUSE_SELECTION_UPTO_SURROUNDING_WHITESPACE,
 } MouseSelectionType;
 
 
@@ -783,6 +784,9 @@ mouse_selection(Window *w, int code, int button) {
         case MOUSE_SELECTION_MOVE_END:
             extend_selection(w, false, false);
             break;
+        case MOUSE_SELECTION_UPTO_SURROUNDING_WHITESPACE:
+            // TODO: Implement me for people migrating from urxvt
+            break;
     }
     set_mouse_cursor_when_dragging(screen);
 #undef S
@@ -1115,6 +1119,7 @@ init_mouse(PyObject *module) {
     PyModule_AddIntMacro(module, MOUSE_SELECTION_LINE_FROM_POINT);
     PyModule_AddIntMacro(module, MOUSE_SELECTION_WORD_AND_LINE_FROM_POINT);
     PyModule_AddIntMacro(module, MOUSE_SELECTION_MOVE_END);
+    PyModule_AddIntMacro(module, MOUSE_SELECTION_UPTO_SURROUNDING_WHITESPACE);
     if (PyModule_AddFunctions(module, module_methods) != 0) return false;
     return true;
 }
diff --git a/kitty/options/utils.py b/kitty/options/utils.py
index a8fccd252..650fe91b3 100644
--- a/kitty/options/utils.py
+++ b/kitty/options/utils.py
@@ -426,6 +426,7 @@ def mouse_selection(func: str, rest: str) -> FuncArgsType:
             'line': defines.MOUSE_SELECTION_LINE,
             'line_from_point': defines.MOUSE_SELECTION_LINE_FROM_POINT,
             'word_and_line_from_point': defines.MOUSE_SELECTION_WORD_AND_LINE_FROM_POINT,
+            'upto_surrounding_whitespace': defines.MOUSE_SELECTION_UPTO_SURROUNDING_WHITESPACE,
         }
         setattr(mouse_selection, 'code_map', cmap)
     return func, [cmap[rest]]