Gesture: Jump to Random Page (#11718)

frontend/apps/reader/modules/readergoto.lua

@@ -172,6 +172,14 @@ function ReaderGoto:onGoToBeginning()
     return true
 end
 
+function ReaderGoto:onGoToRandom()
+    local last_page = self.ui.document:getPageCount()
+    local random_page = math.random(1,last_page)
+    self.ui.link:addCurrentLocationToStack()
+    self.ui:handleEvent(Event:new("GotoPage", random_page))
+    return true
+end
+
 function ReaderGoto:onGoToEnd()
     local new_page = self.ui.document:getPrevPage(0)
     if new_page then

frontend/dispatcher.lua

@@ -140,6 +140,7 @@ local settingsList = {
     next_chapter = {category="none", event="GotoNextChapter", title=_("Next chapter"), reader=true},
     first_page = {category="none", event="GoToBeginning", title=_("First page"), reader=true},
     last_page = {category="none", event="GoToEnd", title=_("Last page"), reader=true},
+    random_page = {category="none", event="GoToRandom", title=_("Random page"), reader=true},
     page_jmp = {category="absolutenumber", event="GotoViewRel", min=-100, max=100, title=_("Turn pages"), reader=true},
     go_to = {category="none", event="ShowGotoDialog", title=_("Go to page"), filemanager=true, reader=true},
     skim = {category="none", event="ShowSkimtoDialog", title=_("Skim document"), reader=true},
@@ -359,6 +360,7 @@ local dispatcher_menu_order = {
     "next_chapter",
     "first_page",
     "last_page",
+    "random_page",
     "page_jmp",
     "go_to",
     "skim",

plugins/gestures.koplugin/migration.lua

@@ -53,6 +53,8 @@ function Migration:convertAction(location, ges, action)
         result = {first_page = true,}
     elseif action == "last_page" then
         result = {last_page = true,}
+    elseif action == "random_page" then
+        result = {random_page = true,}
     elseif action == "prev_chapter" then
         result = {prev_chapter = true,}
     elseif action == "next_bookmark" then