Update build.

f804f2e

progressbar.lua

@@ -477,6 +477,16 @@ the way the chapter markers are currently implemented, videos with a large
 number of chapters may slow down the script somewhat, but I have yet to run
 into this being a problem.
 ]]
+settings['enable-chapter-seek'] = false
+helpText['enable-chapter-seek'] = [[If enabled and the item being played back has chapters, using the
+`chapter-seek-button` while the progress bar is hovered will seek the video to
+the chapter that is closest to the mouse cursor's position.
+]]
+settings['chapter-seek-button'] = 'MBTN_RIGHT'
+helpText['chapter-seek-button'] = [[The button to register for chapter seeking, if enabled. Since chapter seeking
+is based on the mouse position, this should probably be bound to a mouse button,
+but it doesn't have to be.
+]]
 settings['chapter-marker-width'] = 2
 helpText['chapter-marker-width'] = [[Controls the width of each chapter marker when the progress bar is inactive.
 ]]
@@ -706,33 +716,39 @@ do
     if self.dead and (oldX ~= self.x or oldY ~= self.y) then
       self.dead = false
     end
-    if not self.dead and self.clickPending then
+    if not self.dead and self.clickPending ~= false then
+      local button = self.clickPending
       self.clickPending = false
-      return true
+      return button
     end
     return false
   end
-  self.cacheClick = function(self)
+  self.cacheClick = function(self, button)
     if not self.dead then
       self.clickX, self.clickY = scaledPosition(self)
-      self.clickPending = true
+      self.clickPending = button
     else
       self.dead = false
     end
   end
   Mouse = _class_0
 end
-mp.add_key_binding("mouse_btn0", "left-click", function()
-  return Mouse:cacheClick()
+mp.add_key_binding('MBTN_LEFT', 'left-click', function()
+  return Mouse:cacheClick(0)
 end)
+if settings['enable-chapter-seek'] then
+  mp.add_key_binding(settings['chapter-seek-button'], 'chapter-seek-click', function()
+    return Mouse:cacheClick(2)
+  end)
+end
 mp.observe_property('fullscreen', 'bool', function()
   Mouse:update()
   Mouse.dead = true
 end)
-mp.add_forced_key_binding("mouse_leave", "mouse-leave", function()
+mp.add_forced_key_binding('mouse_leave', 'mouse-leave', function()
   Mouse.inWindow = false
 end)
-mp.add_forced_key_binding("mouse_enter", "mouse-enter", function()
+mp.add_forced_key_binding('mouse_enter', 'mouse-enter', function()
   Mouse.inWindow = true
 end)
 local Rect
@@ -820,12 +836,12 @@ do
     removeUIElement = function(self, element)
       return self.elements:remove(element)
     end,
-    clickHandler = function(self)
+    clickHandler = function(self, button)
       if not (self:containsPoint(Mouse.clickX, Mouse.clickY)) then
         return 
       end
       for _, element in ipairs(self.elements) do
-        if element.clickHandler and not element:clickHandler() then
+        if element.clickHandler and element:clickHandler(button) == false then
           break
         end
       end
@@ -850,8 +866,8 @@ do
           element:activate(nowActive)
         end
       end
-      if clickPending then
-        self:clickHandler()
+      if clickPending ~= false then
+        self:clickHandler(clickPending)
       end
       return nowActive
     end
@@ -1418,8 +1434,14 @@ do
       self.line[7] = [[]]
       self.line[8] = self.line[8]:format(settings['bar-foreground-style'])
     end,
-    clickHandler = function(self)
-      return mp.commandv("seek", Mouse.clickX * 100 / Window.w, seekString)
+    clickHandler = function(self, button)
+      if button == 0 then
+        self:seek(Mouse.clickX * 100 / Window.w)
+        return false
+      end
+    end,
+    seek = function(self, percent)
+      return mp.commandv('seek', percent, seekString)
     end,
     resize = function(self)
       _class_0.__parent.__base.resize(self)
@@ -1775,6 +1797,32 @@ do
         end
       end)())
     end,
+    clickHandler = function(self, button)
+      if button == 2 then
+        self:seekNearestChapter(Mouse.clickX / Window.w)
+        return false
+      end
+    end,
+    seekNearestChapter = function(self, frac)
+      local chapters = mp.get_property_native('chapter-list', { })
+      if #chapters == 0 then
+        return 
+      end
+      local duration = mp.get_property_number('duration', 0)
+      local time = duration * frac
+      local mindist = duration
+      local minidx = #chapters
+      for idx, chap in ipairs(chapters) do
+        local dist = math.abs(chap.time - time)
+        if dist < mindist then
+          mindist = dist
+          minidx = idx
+        elseif dist > mindist then
+          break
+        end
+      end
+      return mp.set_property_native('chapter', minidx - 1)
+    end,
     resize = function(self)
       for i, marker in ipairs(self.markers) do
         marker:resize()