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if not modules then modules = { } end modules ['l-pdfview'] = {
version = 1.001,
comment = "companion to mtx-context.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- Todo: figure out pdfopen/pdfclose on linux. Calling e.g. okular directly
-- doesn't work in linux when issued from scite as it blocks the editor (no
-- & possible or so). Unfortunately pdfopen keeps changing with not keeping
-- downward compatibility (command line arguments and so).
-- no 2>&1 any more, needs checking on windows
local format, concat = string.format, table.concat
pdfview = pdfview or { }
local opencalls, closecalls, allcalls, runner
if os.type == "windows" then
opencalls = {
['default'] = "pdfopen --rxi --file",
['acrobat'] = "pdfopen --rxi --file",
['fullacrobat'] = "pdfopen --axi --file",
['okular'] = 'start "test" "c:/data/system/kde/bin/okular.exe" --unique', -- todo!
['sumatra'] = 'start "test" "c:/data/system/sumatrapdf/sumatrapdf.exe" -reuse-instance',
['okular'] = 'start "test" "okular.exe" --unique',
['sumatra'] = 'start "test" "sumatrapdf.exe" -reuse-instance -bg-color 0xCCCCCC',
}
closecalls= {
['default'] = "pdfclose --file",
['acrobat'] = "pdfclose --file",
['okular'] = false,
['sumatra'] = false,
}
allcalls = {
['default'] = "pdfclose --all",
['acrobat'] = "pdfclose --all",
['okular'] = false,
['sumatra'] = false,
}
pdfview.method = "acrobat"
runner = function(...)
-- os.spawn(...)
os.execute(...)
end
else
opencalls = {
['default'] = "pdfopen", -- we could pass the default here
['okular'] = 'okular --unique'
}
closecalls= {
['default'] = "pdfclose --file",
['okular'] = false,
}
allcalls = {
['default'] = "pdfclose --all",
['okular'] = false,
}
pdfview.method = "okular"
runner = function(...)
os.spawn(...)
end
end
directives.register("pdfview.method", function(v)
pdfview.method = (opencalls[v] and v) or 'default'
end)
function pdfview.setmethod(method)
if method and opencalls[method] then
pdfview.method = method
end
end
function pdfview.methods()
return concat(table.sortedkeys(opencalls), " ")
end
function pdfview.status()
return format("pdfview methods: %s, current method: %s (directives_pdfview_method)",pdfview.methods(),tostring(pdfview.method))
end
-- local openedfiles = { }
local function fullname(name)
return file.addsuffix(name,"pdf")
end
function pdfview.open(...)
local opencall = opencalls[pdfview.method]
if opencall then
local t = { ... }
for i=1,#t do
local name = fullname(t[i])
if io.exists(name) then
runner(format('%s "%s"', opencall, name))
-- openedfiles[name] = true
end
end
end
end
function pdfview.close(...)
local closecall = closecalls[pdfview.method]
if closecall then
local t = { ... }
for i=1,#t do
local name = fullname(t[i])
-- if openedfiles[name] then
runner(format('%s "%s"', closecall, name))
-- openedfiles[name] = nil
-- else
-- pdfview.closeall()
-- break
-- end
end
end
end
function pdfview.closeall()
local allcall = allcalls[pdfview.method]
if allcall then
runner(format('%s', allcall))
end
-- openedfiles = { }
end
--~ pdfview.open("t:/document/show-exa.pdf")
--~ os.sleep(3)
--~ pdfview.close("t:/document/show-exa.pdf")
return pdfview
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