add mouse scroll combos

ctranstrum · Feb 20, 2025 · f3536a4 · f3536a4
1 parent f29a02b
commit f3536a4
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Showing 3 changed files with 37 additions and 16 deletions.
diff --git a/README.md b/README.md
@@ -174,6 +174,7 @@ symbols under the left hand and navigation under the right.
 
 Arrow keys can also be pressed without activating the navigation layer
 by instead using vertical combos atop the location of each arrow key.
+Similarly, mouse scroll can be found in the same locations on the left hand.
 
 Hold both the left and right thumb keys to access special keyboard
 functions like changing the bluetooth connection (press a BT key to

diff --git a/boards/shields/chuck/one_up_chuck.keymap b/boards/shields/chuck/one_up_chuck.keymap
@@ -148,6 +148,30 @@
             layers = <0 1>;
         };
 
+        combo_scroll_up {
+            key-positions = <2 10>;
+            bindings = <&msc SCRL_UP>;
+            layers = <0>;
+        };
+
+        combo_scroll_down {
+            key-positions = <10 20>;
+            bindings = <&msc SCRL_DOWN>;
+            layers = <0>;
+        };
+
+        combo_scroll_left {
+            key-positions = <1 9>;
+            bindings = <&msc SCRL_LEFT>;
+            layers = <0>;
+        };
+
+        combo_scroll_right {
+            key-positions = <3 11>;
+            bindings = <&msc SCRL_RIGHT>;
+            layers = <0>;
+        };
+
         // Combos are always executed on the central, so if we have a dongle
         // without an easily accessible reset button, we can use a combo to
         // put the central into bootloder mode

diff --git a/keymap_drawer.config.yaml b/keymap_drawer.config.yaml
@@ -91,25 +91,13 @@ parse_config:
 
   zmk_combos:
     combo_esc:
-      align: top
-      slide: -0.75
-      offset: 0.25
-      layers: [flash mode]
+      draw_separate: true
     combo_tab:
-      align: top
-      slide: -0.25
-      offset: 0.5
-      layers: [flash mode]
+      draw_separate: true
     combo_backspace:
-      align: top
-      slide: -0.75
-      offset: 0.25
-      layers: [flash mode]
+      draw_separate: true
     combo_return:
-      align: top
-      slide: -0.25
-      offset: 0.5
-      layers: [flash mode]
+      draw_separate: true
     combo_up:
       layers: [flash mode]
     combo_down:
@@ -118,3 +106,11 @@ parse_config:
       layers: [flash mode]
     combo_right:
       layers: [flash mode]
+    combo_scroll_up:
+      layers: [flash mode]
+    combo_scroll_down:
+      layers: [flash mode]
+    combo_scroll_left:
+      layers: [flash mode]
+    combo_scroll_right:
+      layers: [flash mode]