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Selection menu: allow viewing HTML

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This commit is contained in:
poire-z
2018-10-08 18:58:43 +02:00
parent 6ab34c6d1d
commit 0e2a3b6263
4 changed files with 111 additions and 1 deletions
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82
frontend/apps/reader/modules/readerhighlight.lua
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@@ -8,6 +8,7 @@ local TimeVal = require("ui/timeval")
local UIManager = require("ui/uimanager")
local logger = require("logger")
local _ = require("gettext")
local T = require("ffi/util").template
local ReaderHighlight = InputContainer:new{}
@@ -380,6 +381,78 @@ function ReaderHighlight:lookup(selected_word, selected_link)
end
end
function ReaderHighlight:viewSelectionHTML(debug_view)
if self.ui.document.info.has_pages then
return
end
if self.selected_text and self.selected_text.pos0 and self.selected_text.pos1 then
-- For available flags, see the "#define WRITENODEEX_*" in crengine/src/lvtinydom.cpp
local html_flags = 0x3030 -- valid and classic displayed HTML, with only block nodes indented
if debug_view then
-- Each node on a line, with markers and numbers of skipped chars and siblings shown,
-- with possibly invalid HTML (text nodes not escaped)
html_flags = 0x3353
end
local html, css_files = self.ui.document:getHTMLFromXPointers(self.selected_text.pos0,
self.selected_text.pos1, html_flags, true)
if html then
-- Make some invisible chars visible
if debug_view then
html = html:gsub("\xC2\xA0", "␣") -- no break space: open box
html = html:gsub("\xC2\xAD", "⋅") -- soft hyphen: dot operator (smaller than middle dot ·)
end
local TextViewer = require("ui/widget/textviewer")
local Font = require("ui/font")
local textviewer
local buttons_table = {}
if css_files then
for i=1, #css_files do
local button = {
text = T(_("View %1"), css_files[i]),
callback = function()
local css_text = self.ui.document:getDocumentFileContent(css_files[i])
local cssviewer = TextViewer:new{
title = css_files[i],
text = css_text or _("Failed getting CSS content"),
text_face = Font:getFace("smallinfont"),
justified = false,
}
UIManager:show(cssviewer)
end,
}
-- One button per row, too make room for the possibly long css filename
table.insert(buttons_table, {button})
end
end
table.insert(buttons_table, {{
text = debug_view and _("Switch to standard view") or _("Switch to debug view"),
callback = function()
UIManager:close(textviewer)
self:viewSelectionHTML(not debug_view)
end,
}})
table.insert(buttons_table, {{
text = _("Close"),
callback = function()
UIManager:close(textviewer)
end,
}})
textviewer = TextViewer:new{
title = _("Selection HTML"),
text = html,
text_face = Font:getFace("smallinfont"),
justified = false,
buttons_table = buttons_table,
}
UIManager:show(textviewer)
else
UIManager:show(InfoMessage:new{
text = _("Failed getting HTML for selection"),
})
end
end
end
function ReaderHighlight:translate(selected_text)
if selected_text.text ~= "" then
self.ui:handleEvent(Event:new("TranslateText", self, selected_text.text))
@@ -438,6 +511,14 @@ function ReaderHighlight:onHoldRelease()
Device.input.setClipboardText(self.selected_text.text)
end,
},
{
text = _("View HTML"),
enabled = not self.ui.document.info.has_pages,
callback = function()
self:viewSelectionHTML()
end,
},
--[[
{
text = _("Translate"),
enabled = false,
@@ -446,6 +527,7 @@ function ReaderHighlight:onHoldRelease()
self:onClose()
end,
},
--]]
},
{
{