Fix long filename text in history textbox (#2322)

Fix long filename text in history textbox

frontend/apps/filemanager/filemanagerhistory.lua

@@ -4,14 +4,13 @@ local ButtonDialog = require("ui/widget/buttondialog")
 local UIManager = require("ui/uimanager")
 local Menu = require("ui/widget/menu")
 local Screen = require("device").screen
-local util = require("ffi/util")
 local _ = require("gettext")
 local KeyValuePage = require("ui/widget/keyvaluepage")
 local DocSettings = require("docsettings")
 local InfoMessage = require("ui/widget/infomessage")
 local T = require("ffi/util").template
-
-
+local RenderText = require("ui/rendertext")
+local Font = require("ui/font")
 local FileManagerHistory = InputContainer:extend{
     hist_menu_title = _("History"),
 }
@@ -82,12 +81,27 @@ function FileManagerHistory:bookInformation(file)
 end
 
 function FileManagerHistory:onMenuHold(item)
+    local font_size = Font:getFace("tfont")
+    local text_remove_hist = _("Remove \"%1\" from history")
+    local text_remove_without_item = T(text_remove_hist, "")
+    local text_remove_hist_width = (RenderText:sizeUtf8Text(
+        0, self.width, font_size, text_remove_without_item).x )
+    local text_item_width = (RenderText:sizeUtf8Text(
+        0, self.width , font_size, item.text).x )
+
+    local item_trun
+    if self.width < text_remove_hist_width + text_item_width then
+        item_trun = RenderText:truncateTextByWidth(item.text, font_size, 1.2 * self.width - text_remove_hist_width)
+    else
+        item_trun = item.text
+    end
+    local text_remove = T(text_remove_hist, item_trun)
+
     self.histfile_dialog = ButtonDialog:new{
         buttons = {
             {
                 {
-                    text = util.template(_("Remove \"%1\" from history"),
-                                         item.text),
+                    text = text_remove,
                     callback = function()
                         require("readhistory"):removeItem(item)
                         self._manager:updateItemTable()

frontend/ui/rendertext.lua

@@ -233,4 +233,22 @@ function RenderText:renderUtf8Text(dest_bb, x, baseline, face, text, kerning, bo
     return pen_x
 end
 
+local ellipsis, space = "…", " "
+local ellipsis_width, space_width
+function RenderText:truncateTextByWidth(text, face, max_width, prepend_space)
+    if not ellipsis_width then
+        ellipsis_width = self:sizeUtf8Text(0, max_width, face, ellipsis).x
+    end
+    if not space_width then
+        space_width = self:sizeUtf8Text(0, max_width, face, space).x
+    end
+    local new_txt_width = max_width - ellipsis_width - space_width
+    local sub_txt = self:getSubTextByWidth(text, face, new_txt_width)
+    if prepend_space then
+        return space.. sub_txt .. ellipsis
+    else
+        return sub_txt .. ellipsis .. space
+    end
+end
+
 return RenderText

frontend/ui/widget/keyvaluepage.lua

@@ -38,26 +38,6 @@ local Font = require("ui/font")
 local Device = require("device")
 local Screen = Device.screen
 
-
-local ellipsis, space = "…", "  "
-local ellipsis_width, space_width
-local function truncateTextByWidth(text, face, max_width, prepend_space)
-    if not ellipsis_width then
-        ellipsis_width = RenderText:sizeUtf8Text(0, max_width, face, ellipsis).x
-    end
-    if not space_width then
-        space_width = RenderText:sizeUtf8Text(0, max_width, face, space).x
-    end
-    local new_txt_width = max_width - ellipsis_width - space_width
-    local sub_txt = RenderText:getSubTextByWidth(text, face, new_txt_width)
-    if prepend_space then
-        return space.. sub_txt .. ellipsis
-    else
-        return sub_txt .. ellipsis .. space
-    end
-end
-
-
 local KeyValueTitle = VerticalGroup:new{
     kv_page = nil,
     title = "",
@@ -72,7 +52,7 @@ function KeyValueTitle:init()
                                 0, self.width, self.tface, self.title).x
     local show_title_txt
     if self.width < (title_txt_width + btn_width) then
-        show_title_txt = truncateTextByWidth(
+        show_title_txt = RenderText:truncateTextByWidth(
                             self.title, self.tface, self.width-btn_width)
     else
         show_title_txt = self.title
@@ -155,10 +135,10 @@ function KeyValueItem:init()
     if key_w + value_w > self.width then
         -- truncate key or value so they fits in one row
         if key_w >= value_w then
-            self.show_key = truncateTextByWidth(self.key, self.cface, self.width-value_w)
+            self.show_key = RenderText:truncateTextByWidth(self.key, self.cface, self.width-value_w)
             self.show_value = self.value
         else
-            self.show_value = truncateTextByWidth(self.value, self.cface, self.width-key_w, true)
+            self.show_value = RenderText:truncateTextByWidth(self.value, self.cface, self.width-key_w, true)
             self.show_key = self.key
         end
     else