lookup input word when holding on word in dict lookup window

frontend/apps/reader/modules/readerdictionary.lua

@@ -9,7 +9,7 @@ local _ = require("gettext")
 
 local ReaderDictionary = EventListener:new{}
 
-function ReaderDictionary:onLookupWord(highlight, word, box)
+function ReaderDictionary:onLookupWord(word, box, highlight)
     self.highlight = highlight
     self:stardictLookup(word, box)
 end
@@ -46,18 +46,24 @@ function ReaderDictionary:stardictLookup(word, box)
 end
 
 function ReaderDictionary:showDict(results, box)
-    if results and results[1] and box then
+    if results and results[1] then
         DEBUG("showing quick lookup dictionary window")
-        local align = nil
-        local region = Geom:new{x = 0, w = Screen:getWidth()}
-        if box.y + box.h/2 < Screen:getHeight()/2 then
-            region.y = box.y + box.h
-            region.h = Screen:getHeight() - box.y - box.h
-            align = "top"
-        else
-            region.y = 0
-            region.h = box.y
-            align = "bottom"
+        local align = "center"
+        local region = Geom:new{
+            x = 0, y = 0,
+            w = Screen:getWidth(),
+            h = Screen:getHeight(),
+        }
+        if box then
+            if box.y + box.h/2 < Screen:getHeight()/2 then
+                region.y = box.y + box.h
+                region.h = Screen:getHeight() - box.y - box.h
+                align = "top"
+            else
+                region.y = 0
+                region.h = box.y
+                align = "bottom"
+            end
         end
         UIManager:show(DictQuickLookup:new{
             ui = self.ui,

frontend/apps/reader/modules/readerhighlight.lua

@@ -260,13 +260,13 @@ function ReaderHighlight:lookup(selected_word)
     -- if we extracted text directly
     if selected_word.word then
         local word_box = self.view:pageToScreenTransform(self.hold_pos.page, selected_word.sbox)
-        self.ui:handleEvent(Event:new("LookupWord", self, selected_word.word, word_box))
+        self.ui:handleEvent(Event:new("LookupWord", selected_word.word, word_box, self))
     -- or we will do OCR
     elseif selected_word.sbox and self.hold_pos then
         local word = self.ui.document:getOCRWord(self.hold_pos.page, selected_word)
         DEBUG("OCRed word:", word)
         local word_box = self.view:pageToScreenTransform(self.hold_pos.page, selected_word.sbox)
-        self.ui:handleEvent(Event:new("LookupWord", self, word, word_box))
+        self.ui:handleEvent(Event:new("LookupWord", word, word_box, self))
     end
 end
 

frontend/ui/widget/button.lua

@@ -79,6 +79,13 @@ function Button:init()
                 },
                 doc = "Tap Button",
             },
+            HoldSelect = {
+                GestureRange:new{
+                    ges = "hold",
+                    range = self.dimen,
+                },
+                doc = "Hold Button",
+            }
         }
     end
 end
@@ -152,4 +159,11 @@ function Button:onTapSelect()
     return true
 end
 
+function Button:onHoldSelect()
+    if self.enabled and self.hold_callback then
+        self.hold_callback()
+    end
+    return true
+end
+
 return Button

frontend/ui/widget/container/widgetcontainer.lua

@@ -51,6 +51,11 @@ function WidgetContainer:paintTo(bb, x, y)
             self[1]:paintTo(bb,
                 x + math.floor((self.dimen.w - contentSize.w)/2),
                 y + (self.dimen.h - contentSize.h))
+        elseif self.align == "center" then
+            local contentSize = self[1]:getSize()
+            self[1]:paintTo(bb,
+                x + math.floor((self.dimen.w - contentSize.w)/2),
+                y + math.floor((self.dimen.h - contentSize.h)/2))
         else
             return self[1]:paintTo(bb, x, y)
         end

frontend/ui/widget/dictquicklookup.lua

@@ -2,21 +2,24 @@ local InputContainer = require("ui/widget/container/inputcontainer")
 local WidgetContainer = require("ui/widget/container/widgetcontainer")
 local FrameContainer = require("ui/widget/container/framecontainer")
 local CenterContainer = require("ui/widget/container/centercontainer")
+local LeftContainer = require("ui/widget/container/leftcontainer")
+local ScrollTextWidget = require("ui/widget/scrolltextwidget")
+local VerticalGroup = require("ui/widget/verticalgroup")
+local TextBoxWidget = require("ui/widget/textboxwidget")
+local OverlapGroup = require("ui/widget/overlapgroup")
 local CloseButton = require("ui/widget/closebutton")
+local ButtonTable = require("ui/widget/buttontable")
+local InputDialog = require("ui/widget/inputdialog")
 local TextWidget = require("ui/widget/textwidget")
-local TextBoxWidget = require("ui/widget/textboxwidget")
-local ScrollTextWidget = require("ui/widget/scrolltextwidget")
 local LineWidget = require("ui/widget/linewidget")
-local OverlapGroup = require("ui/widget/overlapgroup")
-local Screen = require("ui/screen")
 local GestureRange = require("ui/gesturerange")
-local Geom = require("ui/geometry")
-local Font = require("ui/font")
-local Event = require("ui/event")
+local Button = require("ui/widget/button")
 local UIManager = require("ui/uimanager")
-local ButtonTable = require("ui/widget/buttontable")
+local Screen = require("ui/screen")
 local Device = require("ui/device")
-local VerticalGroup = require("ui/widget/verticalgroup")
+local Geom = require("ui/geometry")
+local Event = require("ui/event")
+local Font = require("ui/font")
 local DEBUG = require("dbg")
 local _ = require("gettext")
 
@@ -37,7 +40,7 @@ local DictQuickLookup = InputContainer:new{
 
     title_padding = Screen:scaleByDPI(5),
     title_margin = Screen:scaleByDPI(2),
-    word_padding = Screen:scaleByDPI(2),
+    word_padding = Screen:scaleByDPI(5),
     word_margin = Screen:scaleByDPI(2),
     definition_padding = Screen:scaleByDPI(2),
     definition_margin = Screen:scaleByDPI(2),
@@ -95,16 +98,14 @@ function DictQuickLookup:update()
         }
     }
     -- lookup word
-    local lookup_word = FrameContainer:new{
+    local lookup_word = Button:new{
         padding = self.word_padding,
         margin = self.word_margin,
         bordersize = 0,
-        TextBoxWidget:new{
-            text = self.lookupword,
-            face = self.word_face,
-            bold = true,
-            width = self.width,
-        },
+        text = self.lookupword,
+        text_font_face = "tfont",
+        text_font_size = 22,
+        hold_callback = function() self:lookupInputWord(self.lookupword) end,
     }
     -- word definition
     local definition = FrameContainer:new{
@@ -197,7 +198,7 @@ function DictQuickLookup:update()
             self.dict_bar,
             title_bar,
             -- word
-            CenterContainer:new{
+            LeftContainer:new{
                 dimen = Geom:new{
                     w = title_bar:getSize().w,
                     h = lookup_word:getSize().h,
@@ -316,7 +317,9 @@ end
 
 function DictQuickLookup:onClose()
     UIManager:close(self)
-    self.highlight:handleEvent(Event:new("Tap"))
+    if self.highlight then
+        self.highlight:handleEvent(Event:new("Tap"))
+    end
     return true
 end
 
@@ -329,4 +332,50 @@ function DictQuickLookup:onSwipe(arg, ges)
     return true
 end
 
+function DictQuickLookup:lookupInputWord(hint)
+    self:onClose()
+    self.input_dialog = InputDialog:new{
+        title = _("Input lookup word"),
+        input_hint = hint or "",
+        input_type = "text",
+        buttons = {
+            {
+                {
+                    text = _("Cancel"),
+                    callback = function()
+                        self:closeInputDialog()
+                    end,
+                },
+                {
+                    text = _("Lookup"),
+                    callback = function()
+                        self:closeInputDialog()
+                        self:inputLookup()
+                    end,
+                },
+            }
+        },
+        enter_callback = function()
+            self:closeInputDialog()
+            self:inputLookup()
+        end,
+        width = Screen:getWidth() * 0.8,
+        height = Screen:getHeight() * 0.2,
+    }
+    self.input_dialog:onShowKeyboard()
+    UIManager:show(self.input_dialog)
+end
+
+function DictQuickLookup:inputLookup()
+    local word = self.input_dialog:getInputText()
+    if word and word ~= "" then
+        self.ui:handleEvent(Event:new("LookupWord", word))
+    end
+end
+
+function DictQuickLookup:closeInputDialog()
+    self.input_dialog:onClose()
+    UIManager:close(self.input_dialog)
+end
+
 return DictQuickLookup