Rearranged things to make a bit more sense.

data/core/commands/doc.lua

@@ -392,12 +392,27 @@ local commands = {
   ["doc:select-to-cursor"] = function(x, y, clicks) 
     local line1, col1 = select(3, doc():get_selection())
     local line2, col2 = dv():resolve_screen_position(x, y)
+    dv().mouse_selecting = { line1, col1 }
     doc():set_selection(line2, col2, line1, col1)
   end,
   
   ["doc:set-cursor"] = function(x, y, clicks) 
     local line, col = dv():resolve_screen_position(x, y)
     doc():set_selection(line, col, line, col)
+    dv().mouse_selecting = { line, col }
+    core.blink_reset()
+  end,
+  
+  ["doc:set-cursor-word"] = function(x, y, clicks) 
+    local line, col = dv():resolve_screen_position(x, y)
+    command.perform("doc:select-word")
+    dv().mouse_selecting = { line, col }
+  end,
+  
+  ["doc:set-cursor-line"] = function(x, y, clicks) 
+    local line, col = dv():resolve_screen_position(x, y)
+    command.perform("doc:select-lines")
+    dv().mouse_selecting = { line, col }
   end,
   
   ["doc:split-cursor"] = function(x, y, clicks) 

data/core/docview.lua

@@ -224,15 +224,6 @@ function DocView:scroll_to_make_visible(line, col)
   end
 end
 
-function DocView:on_mouse_pressed(button, x, y, clicks)
-  local line, col = self:resolve_screen_position(x, y)
-  self.mouse_selecting = { line, col, clicks = clicks }
-  if DocView.super.on_mouse_pressed(self, button, x, y, clicks) then
-    return
-  end
-  core.blink_reset()
-end
-
 function DocView:on_mouse_moved(x, y, ...)
   DocView.super.on_mouse_moved(self, x, y, ...)
 
@@ -245,7 +236,6 @@ function DocView:on_mouse_moved(x, y, ...)
   if self.mouse_selecting then
     local l1, c1 = self:resolve_screen_position(x, y)
     local l2, c2 = table.unpack(self.mouse_selecting)
-    local clicks = self.mouse_selecting.clicks
     if keymap.modkeys["ctrl"] then
       if l1 > l2 then l1, l2 = l2, l1 end
       self.doc.selections = { }

data/core/keymap.lua

@@ -200,8 +200,8 @@ keymap.add_direct {
   ["shift+lclick"] = "doc:select-to-cursor",
   ["ctrl+lclick"] = "doc:split-cursor",
   ["lclick"] = "doc:set-cursor",
-  ["dlclick"] = "doc:select-word",
-  ["tlclick"] = "doc:select-lines",
+  ["dlclick"] = "doc:set-cursor-word",
+  ["tlclick"] = "doc:set-cursor-line",
   ["shift+left"] = "doc:select-to-previous-char",
   ["shift+right"] = "doc:select-to-next-char",
   ["shift+up"] = "doc:select-to-previous-line",

data/core/rootview.lua

@@ -874,6 +874,7 @@ function RootView:on_mouse_pressed(button, x, y, clicks)
         self.dragged_node = { node = node, idx = idx, dragging = false, drag_start_x = x, drag_start_y = y}
       end
       node:set_active_view(node.views[idx])
+      return true
     end
   elseif not self.dragged_node then -- avoid sending on_mouse_pressed events when dragging tabs
     core.set_active_view(node.active_view)