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add an option to show an arrow to indicate page overlap

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This commit is contained in:
chrox
2014-11-17 21:44:13 +08:00
parent c651816f4b
commit ee3c5525f9
3 changed files with 87 additions and 23 deletions
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29
frontend/apps/reader/modules/readerpaging.lua
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@@ -136,19 +136,32 @@ function ReaderPaging:onSaveSettings()
end
function ReaderPaging:addToMainMenu(tab_item_table)
-- FIXME: repeated code with page overlap menu for readerrolling
-- needs to keep only one copy of the logic as for the DRY principle.
-- The difference between the two menus is only the enabled func.
local page_overlap_menu = {
{
text_func = function()
return self.show_overlap_enable and _("Disable") or _("Enable")
end,
callback = function()
self.show_overlap_enable = not self.show_overlap_enable
if not self.show_overlap_enable then
self.view:resetDimArea()
end
end
},
}
for _, menu_entry in ipairs(self.view:genOverlapStyleMenu()) do
table.insert(page_overlap_menu, menu_entry)
end
table.insert(tab_item_table.typeset, {
text = _("Show page overlap"),
text = _("Page overlap"),
enabled_func = function()
return not self.view.page_scroll and self.zoom_mode ~= "page"
and not self.zoom_mode:find("height")
end,
checked_func = function() return self.show_overlap_enable end,
callback = function()
self.show_overlap_enable = not self.show_overlap_enable
if not self.show_overlap_enable then
self.view:resetDimArea()
end
end
sub_item_table = page_overlap_menu,
})
end