Allow continuous scrolling

key-actions.c

@@ -13,6 +13,8 @@ extern keym_state state;
 
 /* internally-linked helpers */
 
+extern void set_x_update(uint32_t tv_usec);
+
 static inline int enum_to_mouse_button(unsigned int val) {
     switch (val) {
         case MB_Left: return 1;
@@ -59,7 +61,12 @@ void mouse_move(const uint32_t* a) {
 }
 
 void mouse_scroll(const uint32_t* a) {
-    XTestFakeButtonEvent(state.display, enum_to_scroll_button(state_demasker(a)), state_released(a), 1);
+    if (!state_released(a)) {
+      set_x_update(500 * speeds[state.speed]);
+      XTestFakeButtonEvent(state.display, enum_to_scroll_button(state_demasker(a)), True, 1);
+      XTestFakeButtonEvent(state.display, enum_to_scroll_button(state_demasker(a)), False, 1);
+      set_x_update(speeds[state.speed]);
+    }
 }
 
 void control_action(const uint32_t* a) {