[UX] Add horizontal edge gestures (#5179)

frontend/apps/filemanager/filemanager.lua

@@ -64,6 +64,21 @@ local FileManager = InputContainer:extend{
 }
 
 function FileManager:init()
+    if Device:isTouchDevice() then
+        self:registerTouchZones({
+            {
+                id = "filemanager_swipe",
+                ges = "swipe",
+                screen_zone = {
+                    ratio_x = 0, ratio_y = 0,
+                    ratio_w = Screen:getWidth(), ratio_h = Screen:getHeight(),
+                },
+                handler = function(ges)
+                    self:onSwipeFM(ges)
+                end,
+            },
+        })
+    end
     self.show_parent = self.show_parent or self
     local icon_size = Screen:scaleBySize(35)
     local home_button = IconButton:new{
@@ -411,6 +426,15 @@ function FileManager:onShowPlusMenu()
     return true
 end
 
+function FileManager:onSwipeFM(ges)
+    if ges.direction == "west" then
+        self.file_chooser:onNextPage()
+    elseif ges.direction == "east" then
+        self.file_chooser:onPrevPage()
+    end
+    return true
+end
+
 function FileManager:tapPlus()
     local buttons = {
         {

frontend/apps/reader/modules/readergesture.lua

@@ -166,6 +166,10 @@ function ReaderGesture:init()
         one_finger_swipe_left_edge_up = Device:hasFrontlight() and "increase_frontlight" or "ignore",
         one_finger_swipe_right_edge_down =  Device:hasNaturalLight() and "decrease_frontlight_warmth" or "ignore",
         one_finger_swipe_right_edge_up = Device:hasNaturalLight() and "increase_frontlight_warmth" or "ignore",
+        one_finger_swipe_top_edge_right = "ignore",
+        one_finger_swipe_top_edge_left = "ignore",
+        one_finger_swipe_bottom_edge_right = "ignore",
+        one_finger_swipe_bottom_edge_left = "ignore",
         two_finger_tap_top_left_corner = "ignore",
         two_finger_tap_top_right_corner = "ignore",
         two_finger_tap_bottom_left_corner = "ignore",
@@ -385,9 +389,24 @@ function ReaderGesture:addToMainMenu(menu_items)
                         text_func = function() return actionTextFunc("one_finger_swipe_right_edge_up", _("Right edge up")) end,
                         sub_item_table = self:buildMenu("one_finger_swipe_right_edge_up", self.default_gesture["one_finger_swipe_right_edge_up"]),
                     },
+                    {
+                        text_func = function() return actionTextFunc("one_finger_swipe_top_edge_right", _("Top edge right")) end,
+                        sub_item_table = self:buildMenu("one_finger_swipe_top_edge_right", self.default_gesture["one_finger_swipe_top_edge_right"]),
+                    },
+                    {
+                        text_func = function() return actionTextFunc("one_finger_swipe_top_edge_left", _("Top edge left")) end,
+                        sub_item_table = self:buildMenu("one_finger_swipe_top_edge_left", self.default_gesture["one_finger_swipe_top_edge_left"]),
+                    },
+                    {
+                        text_func = function() return actionTextFunc("one_finger_swipe_bottom_edge_right", _("Bottom edge right")) end,
+                        sub_item_table = self:buildMenu("one_finger_swipe_bottom_edge_right", self.default_gesture["one_finger_swipe_bottom_edge_right"]),
+                    },
+                    {
+                        text_func = function() return actionTextFunc("one_finger_swipe_bottom_edge_left", _("Bottom edge left")) end,
+                        sub_item_table = self:buildMenu("one_finger_swipe_bottom_edge_left", self.default_gesture["one_finger_swipe_bottom_edge_left"]),
+                    },
                 },
             },
-
         },
     }
     menu_items.gesture_intervals = {
@@ -838,6 +857,14 @@ function ReaderGesture:setupGesture(ges, action)
         ratio_x = 7/8, ratio_y = 1/8,
         ratio_w = 1/8, ratio_h = 7/8,
     }
+    local zone_top_edge = {
+        ratio_x = 1/8, ratio_y = 0,
+        ratio_w = 7/8, ratio_h = 1/8,
+    }
+    local zone_bottom_edge = {
+        ratio_x = 1/8, ratio_y = 7/8,
+        ratio_w = 7/8, ratio_h = 1/8,
+    }
 
     -- legacy global variable DTAP_ZONE_FLIPPING may still be defined in default.persistent.lua
     local dtap_zone_top_left = DTAP_ZONE_FLIPPING and DTAP_ZONE_FLIPPING or DTAP_ZONE_TOP_LEFT
@@ -870,13 +897,16 @@ function ReaderGesture:setupGesture(ges, action)
 
     local overrides_tap_corner
     local overrides_hold_corner
-    local overrides_vertical_edge
+    local overrides_vertical_edge, overrides_horizontal_edge
     local overrides_pan, overrides_pan_release
     local overrides_swipe_pan, overrides_swipe_pan_release
     if self.is_docless then
         overrides_tap_corner = {
             "filemanager_tap",
         }
+        overrides_horizontal_edge = {
+            "filemanager_swipe",
+        }
     else
         overrides_tap_corner = {
             "tap_backward",
@@ -970,6 +1000,34 @@ function ReaderGesture:setupGesture(ges, action)
         overrides = overrides_vertical_edge
         overrides_swipe_pan = overrides_pan
         overrides_swipe_pan_release = overrides_pan_release
+    elseif ges == "one_finger_swipe_top_edge_right" then
+        ges_type = "swipe"
+        zone = zone_top_edge
+        direction = {east = true}
+        overrides = overrides_horizontal_edge
+        overrides_swipe_pan = overrides_pan
+        overrides_swipe_pan_release = overrides_pan_release
+    elseif ges == "one_finger_swipe_top_edge_left" then
+        ges_type = "swipe"
+        zone = zone_top_edge
+        direction = {west = true}
+        overrides = overrides_horizontal_edge
+        overrides_swipe_pan = overrides_pan
+        overrides_swipe_pan_release = overrides_pan_release
+    elseif ges == "one_finger_swipe_bottom_edge_right" then
+        ges_type = "swipe"
+        zone = zone_bottom_edge
+        direction = {east = true}
+        overrides = overrides_horizontal_edge
+        overrides_swipe_pan = overrides_pan
+        overrides_swipe_pan_release = overrides_pan_release
+    elseif ges == "one_finger_swipe_bottom_edge_left" then
+        ges_type = "swipe"
+        zone = zone_bottom_edge
+        direction = {west = true}
+        overrides = overrides_horizontal_edge
+        overrides_swipe_pan = overrides_pan
+        overrides_swipe_pan_release = overrides_pan_release
     elseif ges == "two_finger_tap_top_left_corner" then
         ges_type = "two_finger_tap"
         zone = zone_top_left_corner
@@ -1017,6 +1075,7 @@ function ReaderGesture:setupGesture(ges, action)
         if self.is_docless then
             overrides = {
                 "filemanager_tap",
+                "filemanager_swipe"
             }
         else
             overrides = {

frontend/ui/widget/menu.lua

@@ -810,12 +810,15 @@ function Menu:init()
                 }
             }
         end
-        self.ges_events.Swipe = {
-            GestureRange:new{
-                ges = "swipe",
-                range = self.dimen,
+        -- delegate swipe gesture to GestureManager in filemanager
+        if self.is_file_manager ~= true then
+            self.ges_events.Swipe = {
+                GestureRange:new{
+                    ges = "swipe",
+                    range = self.dimen,
+                }
             }
-        }
+        end
         self.ges_events.Close = self.on_close_ges
     end
 
@@ -1225,14 +1228,8 @@ function Menu:onSwipe(arg, ges_ev)
         -- no use for now
         do end -- luacheck: ignore 541
     else -- diagonal swipe
-        if self.is_file_manager and G_reader_settings:readSetting("gesture_fm") and
-                G_reader_settings:readSetting("gesture_fm")["short_diagonal_swipe"] then
-            -- managed by gesture manager
-            do end -- luacheck: ignore 541
-        else
-            -- trigger full refresh
-            UIManager:setDirty(nil, "full")
-        end
+        -- trigger full refresh
+        UIManager:setDirty(nil, "full")
     end
 end