[WIP] scroll-multiplier option

config/config.c

@@ -123,6 +123,8 @@ Settings config = {
     .window_match_fields = "all",
     /** Monitor */
     .monitor = "-5",
+    /** Multiply scrolling amount **/
+    .scroll_multiplier = 1,
     /** Set filter */
     .filter = NULL,
     .dpi = -1,

include/settings.h

@@ -95,6 +95,8 @@ typedef struct {
   /** Toggle to enable sorting. */
   unsigned int sort;
   /** Sorting method. */
+  unsigned int scroll_multiplier;
+  /** Sorting method. */
   SortingMethod sorting_method_enum;
   /** Sorting method. */
   char *sorting_method;

include/widgets/listview.h

@@ -129,6 +129,21 @@ void listview_set_selected(listview *lv, unsigned int selected);
  */
 unsigned int listview_get_selected(listview *lv);
 
+
+/**
+ * @param lv The listview handle
+ *
+ * Move the selection one row up.
+ * - Wrap around.
+ */
+void listview_scroll_prev(listview *lv);
+/**
+ * @param lv listview handle.
+ *
+ * Alternate, potentially multi-row alternative to listview_nav_up
+ * - Wrap around.
+ */
+void listview_scroll_next(listview *lv);
 /**
  * @param lv The listview handle
  *
@@ -143,12 +158,12 @@ void listview_nav_next(listview *lv);
  * - Wrap around.
  */
 void listview_nav_prev(listview *lv);
-
 /**
  * @param lv The listview handle
  *
- * Move the selection one row up.
- * - Wrap around.
+ * Alternate, potentially multi-row alternative to listview_nav_down
+ * - No wrap around.
+ * - Do not move to top row when at start.
  */
 void listview_nav_up(listview *lv);
 /**

source/widgets/listview.c

@@ -693,10 +693,10 @@ listview_trigger_action(widget *wid, MouseBindingListviewAction action,
     listview_nav_right(lv);
     break;
   case SCROLL_DOWN:
-    listview_nav_down(lv);
+    listview_scroll_next(lv);
     break;
   case SCROLL_UP:
-    listview_nav_up(lv);
+    listview_scroll_prev(lv);
     break;
   }
   return WIDGET_TRIGGER_ACTION_RESULT_HANDLED;
@@ -863,6 +863,67 @@ void listview_nav_prev(listview *lv) {
   listview_nav_up_int(lv);
 }
 
+
+static void listview_scroll_up_int(listview *lv) {
+  if (lv == NULL) {
+    return;
+  }
+  unsigned int mult = 1;
+  if (config.scroll_multiplier){
+    mult = config.scroll_multiplier;
+  }
+  for (unsigned int i=0; i < mult; i++) {
+    if (lv->req_elements == 0 || (lv->selected == 0 && !lv->cycle)) {
+      return;
+    }
+    if (lv->selected == 0) {
+      lv->selected = lv->req_elements;
+    }
+    lv->selected--;
+  }
+  lv->barview.direction = RIGHT_TO_LEFT;
+
+  if (lv->sc_callback) {
+    lv->sc_callback(lv, lv->selected, lv->sc_udata);
+  }
+  widget_queue_redraw(WIDGET(lv));
+}
+static void listview_scroll_down_int(listview *lv) {
+  if (lv == NULL) {
+    return;
+  }
+  unsigned int mult = 1;
+  if (config.scroll_multiplier){
+    mult = config.scroll_multiplier;
+  }
+  for (unsigned int i=0; i < mult; i++) {
+    if (lv->req_elements == 0 ||
+        (lv->selected == (lv->req_elements - 1) && !lv->cycle)) {
+      return;
+    }
+    lv->selected = lv->selected < lv->req_elements - 1
+                       ? MIN(lv->req_elements - 1, lv->selected + 1)
+                       : 0;
+  }
+  lv->barview.direction = LEFT_TO_RIGHT;
+  if (lv->sc_callback) {
+    lv->sc_callback(lv, lv->selected, lv->sc_udata);
+  }
+  widget_queue_redraw(WIDGET(lv));
+}
+void listview_scroll_next(listview *lv) {
+  if (lv == NULL) {
+    return;
+  }
+  listview_scroll_down_int(lv);
+}
+void listview_scroll_prev(listview *lv) {
+  if (lv == NULL) {
+    return;
+  }
+  listview_scroll_up_int(lv);
+}
+
 static void listview_nav_column_left_int(listview *lv) {
   if (lv->selected >= lv->cur_columns) {
     lv->selected -= lv->cur_columns;

source/xrmoptions.c

@@ -333,6 +333,12 @@ static XrmOption xrmOptions[] = {
      NULL,
      "Threads to use for string matching",
      CONFIG_DEFAULT},
+    {xrm_Number,
+     "scroll-multiplier",
+     {.num = &config.scroll_multiplier},
+     NULL,
+     "Scrolling multiplier (how many times as many lines to scroll)",
+     CONFIG_DEFAULT},
     {xrm_Number,
      "scroll-method",
      {.num = &config.scroll_method},