From 1e0ab4015dbda84eb8b795714cba5b96d674f18c Mon Sep 17 00:00:00 2001
From: Danil Boldyrev <daswerq123@gmail.com>
Date: Sat, 3 Jun 2023 02:18:49 +0300
Subject: [PATCH] Added the ability to swap the zoom hotkeys and resize the
 brush

---
 .../canvas-zoom-and-pan/javascript/zoom.js    | 23 ++++++++++++++-----
 .../scripts/hotkey_config.py                  |  3 ++-
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
index 5278ca11..8501a24b 100644
--- a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
+++ b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
@@ -73,9 +73,10 @@ onUiLoaded(async() => {
         canvas_hotkey_fullscreen: "KeyS",
         canvas_hotkey_move: "KeyF",
         canvas_hotkey_overlap: "KeyO",
-        canvas_show_tooltip: true
+        canvas_show_tooltip: true,
+        canvas_swap_controls: false
     };
-
+    // swap the actions for ctr + wheel and shift + wheel
     const hotkeysConfig = createHotkeyConfig(
         defaultHotkeysConfig,
         hotkeysConfigOpts
@@ -124,9 +125,12 @@ onUiLoaded(async() => {
             tooltipContent.className = "tooltip-content";
 
             // Add info about hotkets
+            const zoomKey = hotkeysConfig.canvas_swap_controls ? "Ctrl" : "Shift";
+            const adjustKey = hotkeysConfig.canvas_swap_controls ? "Shift" : "Ctrl";
+
             const hotkeys = [
-                {key: "Shift + wheel", action: "Zoom canvas"},
-                {key: "Ctr+wheel", action: "Adjust brush size"},
+                {key: `${zoomKey} + wheel`, action: "Zoom canvas"},
+                {key: `${adjustKey} + wheel`, action: "Adjust brush size"},
                 {
                     key: hotkeysConfig.canvas_hotkey_reset.charAt(
                         hotkeysConfig.canvas_hotkey_reset.length - 1
@@ -277,7 +281,10 @@ onUiLoaded(async() => {
 
         // Change the zoom level based on user interaction
         function changeZoomLevel(operation, e) {
-            if (e.shiftKey) {
+            if (
+                (!hotkeysConfig.canvas_swap_controls && e.shiftKey) ||
+                (hotkeysConfig.canvas_swap_controls && e.ctrlKey)
+            ) {
                 e.preventDefault();
 
                 let zoomPosX, zoomPosY;
@@ -487,7 +494,11 @@ onUiLoaded(async() => {
             changeZoomLevel(operation, e);
 
             // Handle brush size adjustment with ctrl key pressed
-            if (e.ctrlKey || e.metaKey) {
+            if (
+                (hotkeysConfig.canvas_swap_controls && e.shiftKey) ||
+                (!hotkeysConfig.canvas_swap_controls &&
+                    (e.ctrlKey || e.metaKey))
+            ) {
                 e.preventDefault();
 
                 // Increase or decrease brush size based on scroll direction
diff --git a/extensions-builtin/canvas-zoom-and-pan/scripts/hotkey_config.py b/extensions-builtin/canvas-zoom-and-pan/scripts/hotkey_config.py
index 25d6d14e..d83e14da 100644
--- a/extensions-builtin/canvas-zoom-and-pan/scripts/hotkey_config.py
+++ b/extensions-builtin/canvas-zoom-and-pan/scripts/hotkey_config.py
@@ -1,9 +1,10 @@
 from modules import shared
 
-shared.options_templates.update(shared.options_section(('canvas_hotkey', "Canvas hotkeys"), {
+shared.options_templates.update(shared.options_section(('canvas_hotkey', "Canvas Hotkeys"), {
     "canvas_hotkey_move": shared.OptionInfo("F", "Moving the canvas"),
     "canvas_hotkey_fullscreen": shared.OptionInfo("S", "Fullscreen Mode, maximizes the picture so that it fits into the screen and stretches it to its full width "),
     "canvas_hotkey_reset": shared.OptionInfo("R", "Reset zoom and canvas positon"),
     "canvas_hotkey_overlap": shared.OptionInfo("O", "Toggle overlap ( Technical button, neededs for testing )"),
     "canvas_show_tooltip": shared.OptionInfo(True, "Enable tooltip on the canvas"),
+    "canvas_swap_controls": shared.OptionInfo(False, "Swap hotkey combinations for Zoom and Adjust brush resize"),
 }))