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|
--[[----------------------------------------------------------------------------
-- PS_View -- previewing utility for Ghostscript interpreter
-- Authors: P. Strzelczyk, P. Pianowski. Created: 15.06.1993; Lua part 26.10.2007
-- Address: BOP s.c. Gen. T. Bora-Komorowskiego 24, 80-377 Gda\'nsk, Poland
-- bop@bop.com.pl
-- Copyright: (c) 2009 BOP s.c.
-- Licence: GPL
-- Current version: 5.12; 07.10.2009
--
-- 4.95 -- first working version of Lua engine
-- 4.96 -- mouse interface added (and many other changes)
-- 4.97 -- file search, open dialog, first approach of refresh, and icons
-- 4.98 -- new callbacks added: CONSOLE, CONFIG, INFO, console is now always
-- available (maybe hidden), more file search changes
-- 5.00 -- files renamed, refresh added, all dialogs active
-- 5.01 -- `namespaces': gsobj, gswin, gsargs, gsstat added, internal timer
-- functions rebuild, mouse pane and scroll functionality implemented
-- refresh/update functionality fully implemented
-- 5.02 -- erase_event neutralised, DSC events isolated, RETURN = next page
-- 5.03 -- first attempt of localisation, grids on separate `layer'
-- 5.04 -- DSC reading corrected, `layer' and updating image corrected
-- 5.05 -- post-Pingwinaria release, 'layer' and printing bug corrected
-- 5.06 -- BachoTeX release
-- 5.07 -- post BachoTeX release
-- 5.08 -- full-screen mode
-- 5.09 -- LaTeX/HTML help added
-- 5.10 -- bug in DSC reading corrected
-- 5.11 -- some changes to compatibility with GS 8.64, and builtin inits
-- 5.12 -- changes for Windows Vista and wxWidgets 2.8.10, TL2009 release
------------------------------------------------------------------------------]]
local PS_VIEW_NAME="PS_View"
local PS_VIEW_VERSION=5.12
local PS_VIEW_VERSION_STRING -- defined later, after locale loading
local PSV_DftGsPars = {"-dNOPAUSE","-dDELAYBIND","-dNOEPS"}
local frame, console = nil, nil
local gsobj={
instancechecker = nil,
gsdll = nil,
config = nil,
helpctrl = nil,
locale = nil,
ghostscript = nil,
image = nil,
gstimer = nil,
dscthread = nil,
dialog = nil,
menu = nil,
SBsty = {}, SBall = {},
overlay = nil,
bbmp = nil, obmp = nil,
}
local gswin={
gswindow = nil,
logwindow = nil,
editwindow = nil,
menuBar = nil,
statusBar = nil,
dialog = nil,
}
local gsargs = {
args= {}, -- arguments to ghostscript (wihout paths)
dllloc= "", -- localisation of DLL (passed to wxGhostscript)
libloc = "", -- search path for Postscript files (passed to wxGhostscript,
-- mounted from gslib, libs and psvlib)
fontloc = "", -- search path for fonts (passed to wxGhostscript)
libs= {}, -- list of paths setted by -i option
gslib= "", -- path to GS init files (from config file or discovered from dllloc)
psvlib= "", -- path to PS_View files (from config file or discovered from
-- paths in progs or path to this program -- arg[0])
progs = {}, -- PostScript program to run during init (added at the end of args)
cmd_pars = {}, -- default GS arguments (can be overriden by config file,
-- added at the begin of args)
psf_dir = "", -- directory with the curently opened file
psf_name = "", -- name of the curently opened file
}
local psvpars = {
language = "",
}
local gsstat = {
refr_int = 0,
refresh = 0,
update = 0,
working = false,
ready = false,
inoverlay = false, drawoverlay = false,
-- fullscreen = false,
}
function MakeIcons()
local psvimg_xpm = {
"48 48 3 1",
"@ c black",
". c yellow",
" c None",
" @@@@@@ ",
" @....@@@ ",
" @.......@ ",
" @........@@ ",
" @..........@ ",
" @...........@ ",
" @............@ ",
" @..............@ ",
" @...............@ ",
" @................@ ",
" @..................@ ",
" @....................@ ",
" @......................@ ",
" @........................@ ",
" @..........................@ ",
" @............................@@ ",
" @...............................@@ ",
" @..................................@@@@@@",
" @........................................@",
" @.........................................@",
" @......@@@@@@@@@....@@@@@..@@@@..@@@@@.....@",
" @.......@@@@@@@@@@..@@@@@@@.@@@@..@@@@@.....@",
" @........@@@@@@@@@@@.@@@..@@.@@@@..@@@@@.....@",
" @..........@@@...@@@.@@@@.....@@....@@@.....@ ",
" @...........@@@....@@..@@@@@...@@...@@@......@ ",
"@@...........@@@....@@....@@@@..@@@.@@@......@ ",
"@............@@@...@@@.@@..@@@...@@@@@.......@ ",
"@............@@@@@@@@..@@@@@@@...@@@@.......@ ",
"@............@@@@@@@....@@@@@.....@@.......@ ",
"@............@@@..........................@ ",
"@@@@@@......@@@@@........................@ ",
" @@....@@@@@.......................@ ",
" @@..@@@@@......................@ ",
" @...........................@ ",
" @.........................@ ",
" @.......................@ ",
" @.....................@ ",
" @...................@ ",
" @.................@ ",
" @...............@ ",
" @...............@ ",
" @.............@ ",
" @............@ ",
" @..........@ ",
" @@........@ ",
" @.......@ ",
" @@.....@ ",
" @@@@@@ "
};
local psvimg_xpm32 = {
"32 32 3 1",
"@ c black",
". c yellow",
" c None",
" @@@@@ ",
" @....@@ ",
" @......@ ",
" @.......@ ",
" @.........@ ",
" @..........@ ",
" @............@ ",
" @..............@ ",
" @................@ ",
" @..................@ ",
" @....................@@ ",
" @.......................@@@@",
" @...........................@",
" @....@@@@@@...@@@@.@@@..@@@..@",
" @.....@@@@@@@.@@..@.@@@..@@@..@",
" @......@@..@@.@@@....@...@@...@",
"@.......@@..@@..@@@@..@@.@@...@ ",
"@.......@@.@@@.@...@@.@@@@...@ ",
"@.......@@@@@..@@@@@@..@@...@ ",
"@.......@@......@@@@...@@..@ ",
"@@@....@@@@...............@ ",
" @@..@@@@..............@ ",
" @..................@ ",
" @@...............@ ",
" @.............@ ",
" @...........@ ",
" @..........@ ",
" @........@ ",
" @.......@ ",
" @......@ ",
" @@....@ ",
" @@@@@ "
};
local psvimg_xpm16 = {
"16 16 3 1",
"@ c black",
". c yellow",
" c None",
" @@@ ",
" @..@ ",
" @...@ ",
" @.....@ ",
" @.......@ ",
" @.........@ ",
" @...........@@",
" @..@@@.@@@@.@.@",
"@...@.@.@@.@.@.@",
"@...@@@@@@.@@..@",
"@@@.@.........@ ",
" @.........@ ",
" @.......@ ",
" @.....@ ",
" @...@ ",
" @@@@ "
};
local psvtxt_xpm = {unpack(psvimg_xpm)}
psvtxt_xpm[3]=". c green"
local psvtxt_xpm32 = {unpack(psvimg_xpm32)}
psvtxt_xpm32[3]=". c green"
local psvtxt_xpm16 = {unpack(psvimg_xpm16)}
psvtxt_xpm16[3]=". c green"
local bmpi,iconi,iconimg,icontxt
iconi = wx.wxIcon()
bmpi = wx.wxBitmap(psvimg_xpm)
iconi:CopyFromBitmap(bmpi)
iconimg = wx.wxIconBundle(iconi)
bmpi = wx.wxBitmap(psvimg_xpm32)
iconi:CopyFromBitmap(bmpi)
iconimg:AddIcon(iconi)
bmpi = wx.wxBitmap(psvimg_xpm16)
iconi:CopyFromBitmap(bmpi)
iconimg:AddIcon(iconi)
bmpi = wx.wxBitmap(psvtxt_xpm)
iconi:CopyFromBitmap(bmpi)
icontxt = wx.wxIconBundle(iconi)
bmpi = wx.wxBitmap(psvtxt_xpm32)
iconi:CopyFromBitmap(bmpi)
icontxt:AddIcon(iconi)
bmpi = wx.wxBitmap(psvtxt_xpm16)
iconi:CopyFromBitmap(bmpi)
icontxt:AddIcon(iconi)
return iconimg,icontxt
end
function PrepareKeyNames()
-- wxMOD-s should be defined in wxLua
wx.wxMOD_NONE=0
wx.wxMOD_ALT=1 wx.wxMOD_CONTROL=2
wx.wxMOD_SHIFT=4 wx.wxMOD_META=8
wx.wxMOD_MORE_THAN_SHIFT=wx.wxMOD_ALT+wx.wxMOD_META+wx.wxMOD_CONTROL
mod_text={
[wx.wxMOD_NONE]="NORM",
[wx.wxMOD_SHIFT]="SHIFT",
[wx.wxMOD_CONTROL]="CTRL",
[wx.wxMOD_CONTROL+wx.wxMOD_SHIFT]="SHIFTCTRL",
[wx.wxMOD_ALT]="ALT",
[wx.wxMOD_ALT+wx.wxMOD_SHIFT]="SHIFTALT",
[wx.wxMOD_ALT+wx.wxMOD_CONTROL]="CTRLALT",
[wx.wxMOD_ALT+wx.wxMOD_CONTROL+wx.wxMOD_SHIFT]="SHIFTCTRLALT",
--
[wx.wxMOD_META]="META",
[wx.wxMOD_SHIFT+wx.wxMOD_META]="SHIFTMETA",
[wx.wxMOD_CONTROL+wx.wxMOD_META]="CTRLMETA",
[wx.wxMOD_CONTROL+wx.wxMOD_SHIFT+wx.wxMOD_META]="SHIFTCTRLMETA",
[wx.wxMOD_ALT+wx.wxMOD_META]="ALTMETA",
[wx.wxMOD_ALT+wx.wxMOD_SHIFT+wx.wxMOD_META]="SHIFTALTMETA",
[wx.wxMOD_ALT+wx.wxMOD_CONTROL+wx.wxMOD_META]="CTRLALTMETA",
[wx.wxMOD_ALT+wx.wxMOD_CONTROL+wx.wxMOD_SHIFT+wx.wxMOD_META]="SHIFTCTRLALTMETA",
}
key_text={
[wx.WXK_INSERT]="INS",
[wx.WXK_DELETE]="DEL",
[wx.WXK_HOME]="HOME",
[wx.WXK_END]="END",
[wx.WXK_PAGEUP]="PAGE_UP",
[wx.WXK_PAGEDOWN]="PAGE_DOWN",
[wx.WXK_UP]="UP_ARR",
[wx.WXK_DOWN]="DOWN_ARR",
[wx.WXK_LEFT]="LEFT_ARR",
[wx.WXK_RIGHT]="RIGHT_ARR",
[wx.WXK_TAB]="TAB",
[wx.WXK_ESCAPE]="ESC",
--
[wx.WXK_NUMPAD_INSERT]="INS",
[wx.WXK_NUMPAD_DELETE]="DEL",
[wx.WXK_NUMPAD_HOME]="HOME",
[wx.WXK_NUMPAD_END]="END",
[wx.WXK_NUMPAD_PAGEUP]="PAGE_UP",
[wx.WXK_NUMPAD_PAGEDOWN]="PAGE_DOWN",
[wx.WXK_NUMPAD_UP]="UP_ARR",
[wx.WXK_NUMPAD_DOWN]="DOWN_ARR",
[wx.WXK_NUMPAD_LEFT]="LEFT_ARR",
[wx.WXK_NUMPAD_RIGHT]="RIGHT_ARR",
[wx.WXK_NUMPAD_DIVIDE]="DIVIDE",
[wx.WXK_NUMPAD_MULTIPLY]="MULTIPLY",
[wx.WXK_NUMPAD_SUBTRACT]="SUBSTRACT",
[wx.WXK_NUMPAD_ADD]="ADD",
[wx.WXK_NUMPAD_EQUAL]="EQUAL",
[wx.WXK_NUMPAD_BEGIN]="BEGIN",
--[wx.WXK_NUMPAD_DECIMAL]="",
--[wx.WXK_NUMPAD_SEPARATOR]="",
}
for i = 1, 24 do s=string.format("F%d",i) key_text[wx["WXK_" .. s]]=s end
for i = 0, 9 do s=string.format("%d",i) key_text[wx["WXK_NUMPAD" .. s]]=s end
char_text={
[wx.WXK_NUMPAD_ENTER]="RETURN",
[wx.WXK_RETURN]="RETURN",
[wx.WXK_BACK]="BACK",
[string.byte("`")]="GRAVE",
[string.byte("-")]="MINUS",
[string.byte("=")]="EQUAL",
[string.byte("\\")]="BACKSLASH",
[string.byte("[")]="BRACKETL",
[string.byte("]")]="BRACKETR",
[string.byte(";")]="SEMICOLON",
[string.byte("'")]="ACUTE",
[string.byte(",")]="COMMA",
[string.byte(".")]="PERIOD",
[string.byte("/")]="SLASH",
}
for i = string.byte("0"), string.byte("9") do
char_text[i]=string.format("%c",i) end
for i = string.byte("A"), string.byte("Z") do
char_text[i]=string.format("%c",i) end
char_shift_text={
[string.byte(">")]="GREATER",
[string.byte("<")]="LESS",
}
end
function MakeQueue()
return { b=0; t=0;
add = function(s,str) s.t=s.t+1 s[s.t]=str end;
insert = function(s,str)
for i=1,s.t do s[i+1]=s[i] end
s[1]=str s.t=s.t+1
end;
get = function(s)
s.b=s.b+1 local str=s[s.b]
if s.b>=s.t then s.b=0 s.t=0 end
return str
end;
getMax = function(s)
s.b=s.b+1 local str=s[s.b]
while s.b<s.t and str:len()<30000 do
s.b=s.b+1 str=str.."\n"..s[s.b]
end
if s.b>=s.t then s.b=0 s.t=0 end
return str
end;
peek = function(s) return s[s.b+1] end;
isEmpty = function(s) return s.t==0 end;
}
end
function MakeIdList()
return {
newId = function(s,str)
local id="ID_"..str
s[id]=wx.wxNewId()
--or if not s[id] then s[id]=wx.wxNewId() end
s["NAM_"..s[id]]=str
return s[id]
end;
newObj = function(s,str,creator)
local id="OBJ_"..str
s[id]=creator
--or if not s[id] then s[id]=creator end
return s[id]
end;
newCtrl = function(s,id,type)
table.insert(s,{id=id,type=type})
end;
getId = function(s,str) return s["ID_"..str] end;
getObj = function(s,str) return s["OBJ_"..str] end;
getName = function(s,id) return s["NAM_"..id] end;
}
end
local iconimg, icontxt = MakeIcons()
gsobj.menu = MakeIdList()
local RunPScode, RunDSCcode = MakeQueue(), MakeQueue()
local StdInCode = MakeQueue()
local Mouse = { Cnone=0, Czoom=1, Cpane=2, Cmeasure=3, Cscroll=4,
Cendmeas=5, Cdblclick=6;
cursorHand=wx.wxCursor(wx.wxCURSOR_HAND),
cursorMag=wx.wxCursor(wx.wxCURSOR_MAGNIFIER),
cursorCross=wx.wxCursor(wx.wxCURSOR_BLANK); -- wxCURSOR_CROSS, wx.wxCURSOR_BULLSEYE
penRed=wx.wxPen("RED",1,wx.wxSOLID), penBlue=wx.wxPen("BLUE",1,wx.wxSOLID);
bx=0, by=0, ex=0, ey=0, scroln=0, CMD=0, mod=0, timer=0,}
local Dobject = { n=0, id={},
Oline=1, Orect=2, Ocros=3, }
Dobject.pens={ [-1] = wx.wxTRANSPARENT_PEN, [0] =
wx.wxBLACK_PEN, wx.wxPen("BLUE",1,wx.wxSOLID),
wx.wxGREEN_PEN, wx.wxCYAN_PEN,
wx.wxRED_PEN, wx.wxPen("MAGENTA",1,wx.wxSOLID),
wx.wxPen("YELLOW",1,wx.wxSOLID), wx.wxWHITE_PEN,
wx.wxPen("BLACK",3,wx.wxSOLID), wx.wxPen("BLUE",3,wx.wxSOLID),
wx.wxPen("GREEN",3,wx.wxSOLID), wx.wxPen("CYAN",3,wx.wxSOLID),
wx.wxPen("RED",3,wx.wxSOLID), wx.wxPen("MAGENTA",3,wx.wxSOLID),
wx.wxPen("YELLOW",3,wx.wxSOLID), wx.wxPen("WHITE",3,wx.wxSOLID),
}
Dobject.brushess={ [-1] = wx.wxTRANSPARENT_BRUSH, [0] =
wxBLACK_BRUSH, wx.wxBLUE_BRUSH,
wxGREEN_BRUSH, wxCYAN_BRUSH,
wxRED_BRUSH, wx.wxBrush("MAGENTA",wx.wxSOLID),
wx.wxBrush("YELLOW",wx.wxSOLID), wxWHITE_BRUSH,
wxGREY_BRUSH
}
local v_quiet,v_normal,v_verbose=2,6,10
local verbose=v_normal
function print_debug(...)
if verbose>v_normal then print(...) end
end
function print_message(...)
if verbose>v_quiet then print(...) end
end
function SendEventCommand (c,s,...)
RunPScode:add(string.format(s,...) .. " /" .. c .. " EVENTCOMMAND")
end
function SendMenuCommand (m,s)
RunInputString()
RunPScode:add("/" .. m .. " /" .. s .. " MENUCOMMAND")
end
function SendKeyCommand (k,s)
RunInputString()
RunPScode:add("/" .. k .. " /" .. s .. " KEYCOMMAND")
end
function SendMouseCommand (xa,ya,xb,yb,c,s)
RunPScode:add(string.format("%d %d %d %d /%s /%s MOUSECOMMAND",xa,ya,xb,yb,c,s))
end
function SendMouseCommandWithStatus(mouse,cmd)
SendMouseCommand (mouse.bx,mouse.by,mouse.ex,mouse.ey,cmd,mod_text[mouse.mod])
end
function SendDSCEventCommand (c,s,...)
RunDSCcode:add(string.format(s,...) .. " /" .. c .. " EVENTCOMMAND")
end
function SendDSCComment(comm,begc,endc)
-- comm=comm:gsub("[\128-\255]","#")
comm=comm:gsub("([\\%(%)])","\\%1")
SendDSCEventCommand ("DSCCOMMENT","(%s) %d %d",comm,begc,endc)
end
function CallPSVhook (str)
local b=str:find(": ")
local c,l=str:sub(1,b-1),str:sub(b+2,-1)
local f,s=l:sub(1,1),l:sub(2,2)
local p={} for w in l:gmatch("{([^}]*)}") do table.insert(p,w) end
print_debug(_T("PSVhook>>") .. str .."\n")
if c=="FINDDSC" then
StartDSCthread(p[1])
elseif c=="DIALOG" then
MakeFileDialogBox(f,p[1],p[2],p[3],p[4])
elseif c=="DLGBOX" then
MakeDialogBox(f,p[1],p[2],p[3],p[4])
elseif c=="MESSAGEBOX" then
MakeMessageBox(f,p[1])
elseif c=="MENU" then
MakeMenu(f,s,p[1],p[2],p[3])
elseif c=="STATUS" then
MakeStatusLine(f,s,p[1],p[2])
elseif c=="REFRESH" then
MakeRefreshEvent(p[1])
elseif c=="SIZE" then
MakeResizeEvent(f,s,p[1],p[2])
elseif c=="DRAW" then
DrawObjectEvent(f,s,p[1],p[2],p[3])
elseif c=="HOOK" then
-- reserved entry for debugging
elseif c=="CONFIG" then
MakeConfigFile(f,p[1],p[2],p[3])
elseif c=="CONSOLE" then
MakeConsole(f,p[1])
elseif c=="HELP" then
MakeHelpWindow(f,p[1])
elseif c=="INFO" then
SendInfoEvent()
elseif c=="LOCALE" then
SendLocaleEvent(f,p[1])
elseif c=="LUA" then
RunLuaCode(f,p[1])
else
error(_T("Unrecognized !PSV callback: ") .. str)
end
end
function MakeRefreshEvent(fname)
SetPSFile(PSFName(fname))
end
function MakeConfigFile(l,a,b,c)
if gsobj.config then
gsobj.config:SetPath("/" .. a)
if l=="S" then
gsobj.config:Write(b,c)
elseif l=="G" then
local _,r=gsobj.config:Read(b,c)
if not _ then r=c end
local n=tonumber(r) if not n then n=0 end
SendEventCommand ("CONFIG","(%s) %d /%s",r,n,a.."_"..b)
end
end
end
function MakeConsole(l,a)
if not console then
-- it is now not used -- console can be hidden but always is defined
if l=="S" then
local wtitle=PS_VIEW_NAME .. _T(" Console")
if gsargs.psf_name~="" then wtitle=gsargs.psf_name .. " -- " .. wtitle end
console = wx.wxFrame( wx.NULL, wx.wxID_ANY, wtitle,
wx.wxDefaultPosition, wx.wxDefaultSize, wx.wxDEFAULT_FRAME_STYLE)
gswin.logwindow = wx.wxTextCtrl(console, wx.wxID_ANY, "",
wx.wxDefaultPosition, wx.wxDefaultSize,
wx.wxTE_MULTILINE + wx.wxTE_READONLY + wx.wxTE_RICH)
console:Connect(wx.wxEVT_CLOSE_WINDOW, function (event) console:Hide() end)
InitializeConsole()
ConfigRestoreFramePosition(console, "ConsoleWindow")
console:SetIcons(icontxt)
function print(...)
local str=""
for i,v in ipairs{...} do str=str..tostring(v) end
gswin.logwindow:AppendText(str)
end
console:Show()
end
elseif l=="S" then
console:Show()
console:Iconize(false)
elseif l=="H" then
console:Hide()
elseif l=="P" then
gswin.logwindow:AppendText(a)
elseif l=="A" then
gswin.editwindow:WriteText(a)
end
end
function MakeHelpWindow(l,a)
if l=="I" then
gsobj.helpctrl=wx.wxHtmlHelpController(wx.wxHF_DEFAULT_STYLE,frame)
gsobj.helpctrl:UseConfig(gsobj.config,"HelpControler")
gsobj.helpctrl:SetTitleFormat(PS_VIEW_NAME .. _T(" Help -- %s"))
local fname=wx.wxFileName(arg[0]):GetPath(wx.wxPATH_GET_VOLUME)
fname=wx.wxFileName(fname,a)
gsobj.helpctrl:AddBook(fname,false)
elseif l=="S" then
gsobj.helpctrl:DisplayContents()
elseif l=="C" then
gsobj.helpctrl:Display(a)
end
end
function SendInfoEvent()
local info,infodict="","<<"
infodict=infodict.."/ProgramName (" .. PS_VIEW_NAME ..") "
info=info.. _T("This is ") .. PS_VIEW_NAME ..", "
infodict=infodict.."/ProgramVersion " .. PS_VIEW_VERSION .." "
info=info.. _T("version ") .. PS_VIEW_VERSION .."\n"
infodict=infodict.."/wxLuaName (" .. wxlua.wxLUA_VERSION_STRING ..") "
info=info.. _T("built with ") .. wxlua.wxLUA_VERSION_STRING .." "
infodict=infodict.."/LuaName (" .. _VERSION ..") "
info=info.."(" .. _VERSION ..") "
infodict=infodict.."/wxWidgetsName (" .. wx.wxVERSION_STRING ..") "
info=info.. _T("and ") .. wx.wxVERSION_STRING .."\n"
if gsobj.gsdll then
infodict=infodict.."/GhostscriptVersion " .. gsobj.gsdll:GetVersion() .." "
info=info.. _T("linked with Ghostscript ") .. gsobj.gsdll:GetVersion() .."\n" end
infodict=infodict.."/OSDescription (" .. wx.wxGetOsDescription() ..") "
info=info.. _T("running under ") .. wx.wxGetOsDescription() .."\n"
--
if gsargs.psf_name~="" then
infodict=infodict.."/OpenedFile (" .. gsargs.psf_name ..") "
info=info.. _T("started on ") .. gsargs.psf_name .." "
infodict=infodict.."/OpenedDir (" .. gsargs.psf_dir ..") "
info=info.. _T("in ") .. gsargs.psf_dir .."\n"
end
infodict=infodict.."/GSDLL (" .. gsargs.dllloc ..") "
infodict=infodict.."/GSLIB (" .. gsargs.libloc ..") "
infodict=infodict.."/GSFONT (" .. gsargs.fontloc ..") "
infodict=infodict.."/XGSLIB (" .. gsargs.gslib ..") "
infodict=infodict.."/PSVLIB (" .. gsargs.psvlib ..") "
infodict=infodict..">>"
SendEventCommand ("INFO","(%s) %s 0",info,infodict)
end
function SendLocaleEvent(f,a)
if f=="T" then
local l=wx.wxGetTranslation(a)
if l~=a then
SendEventCommand ("LOCALE","(%s) (%s) 1",a,l)
else
SendEventCommand ("LOCALE","(%s) (%s) -1",a,a)
end
elseif f=="I" then
SendEventCommand ("LOCALE","(%s) (%s) 0", gsobj.locale:GetLocale(),
string.sub(gsobj.locale:GetName(),1,2))
elseif f=="S" then
local lang=gsobj.locale.FindLanguageInfo(a)
SetLocale(lang.Language)
end
end
function RunLuaCode(f,a)
if f=="R" then
local torun=loadstring(a)
if torun then torun() end
end
end
function StartDSCthread(fname)
if gsobj.dscthread then return end
gsobj.dscthread=coroutine.wrap(ReadDSCcomments)
local res=gsobj.dscthread(fname)
if res==1 then -- thread created succesfuly
elseif res==0 then -- --''-- and finished
gsobj.dscthread=function() return 0 end
else
error(_T("Unexpected error during creating DSC thread."))
end
end
function ReadDSCcomments(fname)
local psf_dir, psf_name = PSFName(fname)
local ffname = psf_dir..psf_name
local psfile,err=io.open(ffname,"rb")
if not psfile then
SendDSCEventCommand ("ENDDSC","(%s) %d %d",err,0,1)
SetPSFile("","")
return 0
end
SetPSFile(psf_dir, psf_name)
local pstr=psfile:read(4)
local pslen=psfile:seek("end")
local psbeg,psend=0,pslen
if pstr=="%PDF" then
SendDSCEventCommand ("PDFFOUND","(%s) %d %d",ffname,0,pslen)
else
coroutine.yield(1)
if pstr==string.char(0xC5,0xD0,0xD3,0xC6) then
psfile:seek("set",4) pstr=psfile:read(8)
local b={pstr:byte(1,4)} psbeg=b[1]+(b[2]+(b[3]+b[4]*256)*256)*256
b={pstr:byte(5,8)} psend=psbeg+b[1]+(b[2]+(b[3]+b[4]*256)*256)*256
if psend>pslen then
print_message(_T("Improper preview information -- ignoring\n"))
psbeg=0 psend=pslen
end
end
SendDSCEventCommand ("FILEFOUND","(%s) %d %d",ffname,psbeg,psend)
local pp=psfile:seek("set",psbeg)
pstr=psfile:read("*l")
local pn=psfile:seek()
if pstr:match("^%%!PS") then
SendDSCComment(pstr,pp,pn) -- %!PS Adobe
coroutine.yield(1)
local pstrec="\n"
local psb,pse,pseb,psee,comm
while pn<psend do
if pstrec=="" and pstr:sub(-1):match("[\n\r%%]") then
pstrec=pstr:sub(-3) end
pstr=psfile:read(60000)-- -/+ 2^16
pp,pn=pn,psfile:seek()
if pstrec~="" then
pstr=pstrec..pstr pp=pp-pstrec:len() pstrec="" end
pse=1
while true do
psb,pse = pstr:find("%%",pse,true)
if psb then
if pstr:sub(psb-1,pse):match("[\n\r]%%[%%D!]") then
pseb,psee = pstr:find("[\n\r]+",pse)
if pseb then
pse=psee
SendDSCComment(pstr:sub(psb,pseb-1),pp+psb,pp+pse)
elseif pn==psend then
pse=pstr:len()
SendDSCComment(pstr:sub(psb,pse),pp+psb,pp+pse)
elseif psb+1024<pstr:len() then
pse=psb+255
SendDSCComment(pstr:sub(psb,pse),pp+psb,pp+pse)
else
pse=pstr:len() pstrec=pstr:sub(psb-1)
end
end
else break end
end
coroutine.yield(pn)
end
--[[
-- for pstr in psfile:lines() do
-- if pstr:match("^%%[%%!D]") then
-- SendDSCEventCommand ("DSCCOMMENT","(%s) %d %d",pstr,pp,pn)
-- coroutine.yield(pp)
-- end
-- end
--]]
end
end
SendDSCEventCommand ("ENDDSC","(%s) %d %d",ffname,0,0)
psfile:close()
return 0
end
function MakeStatusLine(l,m,a,b)
if not gswin.statusBar then
if l=="C" then gswin.statusBar=frame:CreateStatusBar() end
elseif l=="D" then
gswin.statusBar:Show(m~="F")
elseif l=="P" then
gsobj.SBsty,gsobj.SBall={},{} local wid={}
for wi,al,ap in a:gmatch("([0-9]+)([lcr]?)([tbn]?)") do
wi=tonumber(wi) if wi==0 then wi=-1 end table.insert(wid,wi)
if al=="l" then al=2 elseif al=="r" then al=1 else al=3 end
table.insert(gsobj.SBall,al)
if ap=="t" then ap=wx.wxSB_RAISED elseif ap=="b" then ap=wx.wxSB_NORMAL
else ap=wx.wxSB_FLAT end table.insert(gsobj.SBsty,ap)
end
gswin.statusBar:SetFieldsCount(#wid)
gswin.statusBar:SetStatusWidths(wid)
gswin.statusBar:SetStatusStyles(gsobj.SBsty)
elseif l=="T" then
local i,al,ap=a:match("([0-9]+)([lcr]?)([tbn]?)")
i=tonumber(i)
if al=="l" then al=2 elseif al=="r" then al=1 elseif al=="c" then al=3 end
if ap=="t" then ap=wx.wxSB_RAISED elseif ap=="n" then ap=wx.wxSB_FLAT
elseif ap=="b" then ap=wx.wxSB_NORMAL end
if not b then b="" end
gswin.statusBar:SetStatusText(_T(b),i-1)
if ap~="" then gsobj.SBsty[i]=ap end
gswin.statusBar:SetStatusStyles(gsobj.SBsty)
elseif l=="M" then
local i=0
for t in a:gmatch("([^|]+)|") do
if t~="" then gswin.statusBar:SetStatusText(_T(t),i) end i=i+1
end
end
end
function MakeMessageBox(kind, text)
local style=wx.wxOK+wx.wxICON_INFORMATION
if kind=="2" then style=style+wx.wxCANCEL end
if kind=="3" then style=wx.wxYES_NO+wx.wxCANCEL+wx.wxICON_QUESTION end
if kind=="4" then style=wx.wxYES_NO+wx.wxICON_QUESTION end
-- local dialog=wx.wxMessageDialog(frame, title, PS_VIEW_NAME, style)
-- local res=dialog:ShowModal()
local res=wx.wxMessageBox(_T(text), PS_VIEW_NAME, style, frame)
local restr="() 0 /UNKNOWN"
if res==wx.wxOK then restr="() 1 /OK" end
if res==wx.wxYES then restr="() 1 /YES" end
if res==wx.wxNO then restr="() 2 /NO" end
if res==wx.wxCANCEL then restr="() 3 /CANCEL" end
SendEventCommand("MESSAGEBOX",restr)
end
function MakeFileDialogBox(kind, filter,file,ext,title)
filter:gsub("||$","",1)
local dialog
if kind=="D" then
local dir,title=filter,file
if dir=="|" then dir=gsargs.psf_dir
elseif dir=="|P" then dir=gsargs.psvlib
elseif dir=="|G" then dir=gsargs.gslib end
dialog=wx.wxDirDialog(frame, _T(title), dir)
else
local dir,style=gsargs.psf_dir,wx.wxFD_OPEN+wx.wxFD_FILE_MUST_EXIST
if kind=="O" then
if file=="|" then file=gsargs.psf_name end
elseif kind=="S" then
style=wx.wxFD_SAVE+wx.wxFD_OVERWRITE_PROMPT
elseif kind=="L" then
if file=="|" then file=gsargs.dllloc end
local fname=wx.wxFileName(file)
dir=fname:GetPath(wx.wxPATH_GET_VOLUME)
file=fname:GetFullName()
end
dialog=wx.wxFileDialog(frame, _T(title), dir, file, _T(filter), style)
end
--
local res=dialog:ShowModal()
if res==wx.wxID_OK then
local resfull=dialog:GetPath()
local resdir, resfn, fnoff = PSFName(resfull)
resfull:gsub("\\","\\\\") resfull:gsub("%(","\\(") resfull:gsub("%)","\\)")
if kind=="L" then
SendEventCommand("LIBDIALOG", "(%s) (%s) 0", resdir..resfn, resfull)
elseif kind=="D" then
SendEventCommand("DIRDIALOG", "(%s) (%s) 0", resdir, resfull)
elseif kind=="O" then
local wild=dialog:GetFilterIndex()
SendEventCommand("OPENDIALOG", "(%s) %d %d", resdir..resfn, fnoff, wild)
elseif kind=="S" then
SendEventCommand("SAVEDIALOG", "(%s) %d 0", resdir..resfn, fnoff)
end
end
dialog:Destroy()
end
function MakeDialogBox(l, a,b,c,d)
local function topixels(v) return math.ceil(2.5*tonumber(v)) end
local dialog, objlst = gswin.dialog, gsobj.dialog
local pos=wx.wxDefaultPosition
local size=wx.wxDefaultSize
local id,title="","Untitled"
local type,state=a:sub(1,1),a:sub(2)
if c then
local x,y,w,h=c:match("([0-9]+),([0-9]+),([0-9]+),([0-9]+)")
if x then
pos=wx.wxPoint(topixels(x),topixels(y))
size=wx.wxSize(topixels(w),topixels(h))
end
if b then id=b end
if d then title=d end
else
local w,h=a:match("([0-9]+),([0-9]+)")
if w then
if wx.__WXMSW__ then h=h+10 end -- titlebar correction
size=wx.wxSize(topixels(w),topixels(h))
end
if b then title=b end
end
--
if l=="I" then -- dialog box init
gswin.dialog=wx.wxDialog(frame,wx.wxID_ANY,_T(title),pos,size)
gsobj.dialog=MakeIdList()
return
else
if dialog==nil then error("Operation on uninitialized DLGBOX.") end
end
if l=="B" then -- add push button
if type=="O" then
objlst:newObj(id,wx.wxButton(dialog,wx.wxID_OK,_T(title),pos,size))
elseif type=="C" then
objlst:newObj(id,wx.wxButton(dialog,wx.wxID_CANCEL,_T(title),pos,size))
elseif type=="P" then
local obj=objlst:newObj(id,wx.wxButton(dialog,wx.wxID_ANY,_T(title),pos,size))
obj:Connect(wx.wxEVT_COMMAND_BUTTON_CLICKED, function (event)
SendEventCommand("DIALOG", "() /%s /CLICKED",id) end )
elseif type=="G" then
objlst:newObj(id,wx.wxStaticBox(dialog,wx.wxID_ANY,_T(title),pos,size))
end
elseif l=="K" then -- add check button
local obj
if type=="K" then
obj=objlst:newObj(id,wx.wxCheckBox(dialog,wx.wxID_ANY,_T(title),pos,size,wx.wxCHK_2STATE))
elseif type=="3" then
obj=objlst:newObj(id,wx.wxCheckBox(dialog,wx.wxID_ANY,_T(title),pos,size,wx.wxCHK_3STATE))
elseif type=="S" then
obj=objlst:newObj(id,wx.wxRadioButton(dialog,wx.wxID_ANY,_T(title),pos,size,wx.wxRB_GROUP))
elseif type=="R" then
obj=objlst:newObj(id,wx.wxRadioButton(dialog,wx.wxID_ANY,_T(title),pos,size,0))
end
if type=="3" then objlst:newCtrl(id,"CHECK3") else objlst:newCtrl(id,"CHECK") end
if state=="C" or state=="+" then obj:SetValue(true)
elseif state=="U" or state=="-" then obj:SetValue(false)
elseif state=="N" or state=="0" then
obj:Set3StateValue(wx.wxCHK_UNDETERMINED)
end
elseif l=="E" then -- add edit box
local style,valid=wx.wxTE_LEFT,wx.wxDefaultValidator
if type=="N" then
elseif type=="P" then style=style+wx.wxTE_PASSWORD
elseif type=="M" then style=style+wx.wxTE_MULTILINE
elseif type=="D" then valid=wx.wxTextValidator(wx.wxFILTER_NUMERIC)
end
objlst:newObj(id,wx.wxTextCtrl(dialog,wx.wxID_ANY,_T(state),pos,size,style,valid))
objlst:newCtrl(id,"EDIT")
elseif l=="T" then -- add static (text)
local style,text,border=wx.wxALIGN_CENTER,true,false
if type=="C" then
elseif type=="L" then style=wx.wxALIGN_LEFT
elseif type=="R" then style=wx.wxALIGN_RIGHT
elseif type=="D" then border=true
elseif type=="U" then border=true
elseif type=="W" then border=true text=false
elseif type=="B" then border=true text=false
end
if border then
objlst:newObj(id.."F",wx.wxStaticBox(dialog,wx.wxID_ANY,"",pos,size))
end
if text then
local obj = objlst:newObj(id,
wx.wxStaticText(dialog,wx.wxID_ANY,_T(title),pos,wx.wxDefaultSize,style))
local nsize=obj:GetSize()
pos=wx.wxPoint(pos.x+2,pos.y+(size:GetHeight()-nsize:GetHeight())/2+4)
size:DecBy(4,4) obj:Move(pos) obj:SetSize(size)
end
elseif l=="L" then -- add list box
local style,list,ini=wx.wxLB_SINGLE,{},nil
if type=="M" then style=wx.wxLB_MULTIPLE end
for v in state:gmatch("([^|]*)|") do if ini then table.insert(list,_T(v)) else ini=v end end
local obj=objlst:newObj(id,wx.wxListBox(dialog,wx.wxID_ANY,pos,size,list,style))
objlst:newCtrl(id,"LIST")
if ini~="" then obj:SetSelection(tonumber(ini)) end
elseif l=="C" then -- add combo (edit+list) box
local style,list,ini=wx.wxCB_DROPDOWN,{},nil
if type=="L" then style=wx.wxCB_SIMPLE end
for v in state:gmatch("([^|]*)|") do if ini then table.insert(list,_T(v)) else ini=v end end
local obj=objlst:newObj(id,wx.wxComboBox(dialog,wx.wxID_ANY,_T(title),pos,size,list,style))
objlst:newCtrl(id,"COMBO")
if ini~="" then obj:SetSelection(tonumber(ini)) end
elseif l=="S" then -- dialog box start (show and process)
ShowDialogBox()
gswin.dialog:Destroy()
gswin.dialog=nil gsobj.dialog=nil
end
end
function ShowDialogBox()
local result=gswin.dialog:ShowModal()
if result==wx.wxID_OK then result="OK"
for i,v in ipairs(gsobj.dialog) do
local type, obj, res = v.type, gsobj.dialog:getObj(v.id), ""
if type=="CHECK" then
type="UNCHECKED"
if obj:GetValue() then type="CHECKED" end
elseif type=="CHECK3" then
type="UNCHECKED"
if obj:Get3StateValue()==wx.wxCHK_UNDETERMINED then type="INDETERMINATE"
elseif obj:Get3StateValue()==wx.wxCHK_CHECKED then type="CHECKED" end
elseif type=="EDIT" then
res=obj:GetValue()
elseif type=="LIST" then
for i=0,obj:GetCount()-1 do
if obj:IsSelected(i) then res=res.."1" else res=res.."0" end
end
elseif type=="COMBO" then
res=obj:GetValue()
else
error(_T("Unknown type of control in ShowDialog -- can't happen."))
end
SendEventCommand("DIALOG", "(%s) /%s /%s", res, v.id, type)
end
elseif result==wx.wxID_CANCEL then result="CANCEL"
else result="UNDEFINED" end
SendEventCommand("DIALOG", "() /%s /ENDDIALOG", result)
end
function MakeMenu(l,m,a,b,c)
local objlst=gsobj.menu
if not gswin.menuBar then
gswin.menuBar=wx.wxMenuBar()
objlst:newObj("MAIN",gswin.menuBar)
frame:SetMenuBar(gswin.menuBar)
end
if l=="I" then
local pare=objlst:getObj(a)
if not pare then return false end
if m=="C" then -- extra option required by wxWidgets
pare:AppendCheckItem(objlst:newId(b),_T(c))
else
pare:Append(objlst:newId(b),_T(c))
end
elseif l=="S" then
local pare=objlst:getObj(a)
local menu=objlst:newObj(b,wx.wxMenu())
if not pare or not menu then return false end
if a=="MAIN" then
pare:Append(menu,_T(c))
else
pare:Append(objlst:newId(b),_T(c),menu)
end
elseif l=="H" then
local pare=objlst:getObj(a)
if pare then pare:AppendSeparator() else return false end
elseif l=="C" then
local item=gswin.menuBar:FindItem(objlst:getId(a))
if item then item:SetText(_T(b)) else return false end
elseif l=="U" then
local item=gswin.menuBar:FindItem(objlst:getId(a))
if not item then return false end
item:Enable(m=="N" or m=="C")
item:Check(m=="C" or m=="B")
elseif l=="D" then
gswin.menuBar:Show(m~="F")
if m=="R" then gswin.menuBar:Refresh() end
end
end
function DrawObjectEvent(f,s,id,dim,pen)
if f=="O" then
if s=="C" then CreateOverlay()
elseif s=="D" then DestroyOverlay()
elseif s=="T" then ToggleOverlay() end
elseif f=="D" then
if s=="A" then AddDrawObject(id,dim,pen)
elseif s=="M" then MoveDrawObject(id,dim,pen)
elseif s=="D" then DeleteDrawObject(id)
elseif s=="M" then ClearDrawObjects() end
end
end
function CreateOverlay()
local w, h = gsobj.image.w, gsobj.image.h
if not gsobj.bbmp then gsobj.bbmp=wx.wxBitmap(w,h) end
if not gsobj.obmp then gsobj.obmp=wx.wxBitmap(w,h) end
local bdc=wx.wxMemoryDC()
bdc:SelectObject(gsobj.bbmp)
gsobj.image:CopyOnto(bdc,0,0,w,h,0,0)
bdc:delete()
if Dobject.n==0 then
gswin.gswindow:Connect(wx.wxEVT_PAINT, OnPaintExtra)
end
gsstat.inoverlay=true
gsstat.drawoverlay=true
end
function ToggleOverlay()
gsstat.drawoverlay = not gsstat.drawoverlay
end
function DestroyOverlay()
if gsstat.inoverlay then
gsstat.inoverlay=false
if gsstat.drawoverlay then
gsobj.image=gsobj.overlay
gswin.gswindow:SetGsImage(gsobj.image)
gsstat.drawoverlay=false
end
gsobj.overlay=nil
if gsobj.bbmp then gsobj.obmp:delete() gsobj.obmp=nil end
if gsobj.obmp then gsobj.bbmp:delete() gsobj.bbmp=nil end
end
if Dobject.n==0 then
gswin.gswindow:Disconnect(wx.wxEVT_PAINT)
end
end
function OnPaintExtra(event)
local dc,sdc
local xd, yd, w, h, xs, ys = 0, 0, gsobj.image.w, gsobj.image.h, 0, 0
dc=wx.wxPaintDC(gswin.gswindow)
if gsstat.inoverlay then
if gsstat.drawoverlay then
dc:DrawBitmap(gsobj.bbmp,0,0,false)
else
-- if gsobj.image.r then
sdc=wx.wxMemoryDC() sdc:SelectObject(gsobj.bbmp)
gsobj.image:CopyOnto(sdc,xd,yd,w,h,xs,ys)
sdc:delete()
gsobj.image:CopyOnto(dc,xd,yd,w,h,xs,ys)
end
if gsobj.overlay then
sdc=wx.wxMemoryDC() sdc:SelectObject(gsobj.obmp)
if gsstat.drawoverlay and gsobj.overlay.r then
gsobj.overlay.r=false
gsobj.overlay:CopyOnto(sdc,xd,yd,w,h,xs,ys)
sdc:delete()
local omask=wx.wxMask(gsobj.obmp,wx.wxWHITE)
gsobj.obmp:SetMask(omask)
sdc=wx.wxMemoryDC() sdc:SelectObject(gsobj.obmp)
end
-- dc:Blit(xd,yd,w,h,sdc,xs,ys,wx.wxEQUIV) --EQUIV
dc:Blit(xd,yd,w,h,sdc,xs,ys,wx.wxCOPY,true)
sdc:delete()
end
else
gsobj.image:CopyOnto(dc,xd,yd,w,h,xs,ys)
end
if Dobject.n>0 then
-- draw objects
end
dc:delete()
end
function AddDrawObject(id,dim,pen)
if Dobject.n==0 then CreateDrawObjects() end
if not Dobject.id[id] then
Dobject.n=Dobject.n+1 Dobject.id[id]=Dobject.n
Dobject[Dobject.n]={id = id, xb = xb, yb = yb, xe = xe, ye = ye,
pe = pe, br = br}
else
MoveDrawObject(id,dim,pen)
end
end
function MoveDrawObject(id,dim,pen)
if Dobject.id[id] then
Dobject[Dobject.id[id]]={id = id, xb = xb, yb = yb, xe = xe, ye = ye,
pe = pe, br = br}
end
end
function DeleteDrawObject(id)
if Dobject.id[id] then
local k=Dobject.id[id]
Dobject.id[id]=nil
Dobject.n=Dobject.n-1
for i=k,Dobject.n do
Dobject[i]=Dobject[i+1]
Dobject.id[Dobject[i].id]=i
end
Dobject[Dobject.n+1]=nil
end
if Dobject.n==0 then ClearDrawObjects() end
end
function CreateDrawObjects()
if not gsstat.inoverlay then
gswin.gswindow:Connect(wx.wxEVT_PAINT, OnPaintExtra)
end
end
function ClearDrawObjects()
if Dobject.n>0 then
for i=1,Dobject.n do Dobject[i]=nil end
Dobject.n=0 Dobject.id={}
if not gsstat.inoverlay then
gswin.gswindow:Disconnect(wx.wxEVT_PAINT)
end
-- gswin.gswindow:Refresh()
end
end
function MakeResizeEvent(f,s,x,y)
if f=="F" then
if s=="T" then frame:ShowFullScreen(true)
elseif s=="F" then frame:ShowFullScreen(false) end
elseif f=="S" then
end
end
function MouseButtonEvent(event)
local mod=wx.wxMOD_NONE
if event:AltDown() then mod=mod+wx.wxMOD_ALT end
if event:ControlDown() then mod=mod+wx.wxMOD_CONTROL end
if event:ShiftDown() then mod=mod+wx.wxMOD_SHIFT end
Mouse.mod=mod
if event:ButtonDown() then
Mouse.bx,Mouse.by=event:GetPositionXY()
Mouse.ex,Mouse.ey=Mouse.bx,Mouse.by
if Mouse.CMD==Mouse.Cnone and event:LeftDown() then
if wx.wxGetKeyState(32) then
Mouse.CMD=Mouse.Cpane
else
Mouse.CMD=Mouse.Czoom
end
elseif Mouse.CMD==Mouse.Cnone and event:RightDown() then
if not event:ControlDown() then
Mouse.CMD=Mouse.Cmeasure
else
-- Mouse.CMD=Mouse.Cendmeas
SendMouseCommandWithStatus(Mouse,"MEAS")
end
end
if Mouse.CMD~=Mouse.Cnone then
local cursor=wx.wxNullCursor
if Mouse.CMD==Mouse.Cpane then cursor=Mouse.cursorHand end
if Mouse.CMD==Mouse.Czoom then cursor=Mouse.cursorMag end
if Mouse.CMD==Mouse.Cmeasure then cursor=Mouse.cursorCross end
gswin.gswindow:SetCursor(cursor)
gswin.gswindow:CaptureMouse()
DrawMouseRules()
end
elseif event:ButtonDClick() then
Mouse.bx,Mouse.by=event:GetPositionXY()
Mouse.ex,Mouse.ey=Mouse.bx,Mouse.by
if event:LeftDClick() then
-- Mouse.CMD=Mouse.Cdblclick
SendMouseCommandWithStatus(Mouse,"LDBLCLICK")
end
elseif event:ButtonUp() then
if Mouse.CMD~=Mouse.Cnone then
DrawMouseRules()
Mouse.ex,Mouse.ey=event:GetPositionXY()
gswin.gswindow:ReleaseMouse()
gswin.gswindow:SetCursor(wx.wxNullCursor)
if Mouse.CMD==Mouse.Czoom then
if math.abs(Mouse.ex-Mouse.bx)>1 or math.abs(Mouse.ey-Mouse.by)>1 then
SendMouseCommandWithStatus(Mouse,"ZOOM") end
elseif Mouse.CMD==Mouse.Cpane then
if math.abs(Mouse.ex-Mouse.bx)>1 or math.abs(Mouse.ey-Mouse.by)>1 then
SendMouseCommandWithStatus(Mouse,"MOVE") end
elseif Mouse.CMD==Mouse.Cmeasure then
SendMouseCommandWithStatus(Mouse,"MEAS")
end
Mouse.CMD=Mouse.Cnone
end
end
event:Skip()
end
function SendWheelEvent()
SendMouseCommand (Mouse.scroln,0,0,0,"SCROLL",mod_text[Mouse.mod])
Mouse.CMD=Mouse.Cnone Mouse.scroln=0
end
function MouseWheelEvent(event)
if Mouse.timer~=0 then ResetDelayedDo(Mouse.timer) Mouse.timer=0 end
Mouse.CMD=Mouse.Cscroll Mouse.scroln=Mouse.scroln+event:GetWheelRotation()
Mouse.bx,Mouse.by=0,0
if event:ControlDown() or wx.wxGetKeyState(32) then
Mouse.ex,Mouse.ey,Mouse.mod=Mouse.scroln/1200*gsobj.image.w,0,wx.wxMOD_CONTROL
else
Mouse.ex,Mouse.ey,Mouse.mod=0,Mouse.scroln/1200*gsobj.image.h,wx.wxMOD_NONE
end
DrawMouseRules()
if Mouse.scroln~=0 then
Mouse.timer=SetDelayedDo(200,function() SendWheelEvent() Mouse.timer=0 end)
end
event:Skip()
end
function MouseMotionEvent(event)
if Mouse.CMD~=Mouse.Cnone and Mouse.CMD~=Mouse.Cscroll then
DrawMouseRules()
Mouse.ex,Mouse.ey=event:GetPositionXY()
DrawMouseRules()
end
event:Skip()
end
function DrawMouseRules()
local dc=wx.wxClientDC(gswin.gswindow)
if Mouse.CMD==Mouse.Czoom then
dc:SetLogicalFunction(wx.wxEQUIV)
dc:SetBrush(wx.wxTRANSPARENT_BRUSH)
dc:SetPen(Mouse.penRed)
dc:DrawRectangle(Mouse.bx,Mouse.by,Mouse.ex-Mouse.bx,Mouse.ey-Mouse.by)
elseif Mouse.CMD==Mouse.Cmeasure then
dc:SetLogicalFunction(wx.wxEQUIV)
dc:SetPen(Mouse.penBlue)
dc:CrossHair(Mouse.ex,Mouse.ey)
elseif Mouse.CMD==Mouse.Cpane or Mouse.CMD==Mouse.Cscroll then
dc:SetLogicalFunction(wx.wxCOPY)
dc:SetBrush(wx.wxLIGHT_GREY_BRUSH)
dc:SetPen(wx.wxTRANSPARENT_PEN)
local xs, ys, w, h = 0, 0, gsobj.image.w, gsobj.image.h
local xd, yd = Mouse.ex-Mouse.bx , Mouse.ey-Mouse.by
if xd<0 then
xs,xd=-xd,0 dc:DrawRectangle(w-xs,0,xs,h)
else
w=w-xd dc:DrawRectangle(0,0,xd,h)
end
if yd<0 then
ys,yd=-yd,0 dc:DrawRectangle(0,h-ys,w+xd,ys)
else
h=h-yd dc:DrawRectangle(0,0,w+xd,yd)
end
gsobj.image:CopyOnto(dc,xd,yd,w,h,xs,ys)
end
dc:delete()
end
do local resize = { timer=0, pw=0, ph = 0}
function SendResizeEvent(w,h)
if w~=resize.pw or h~=resize.ph then
if w*h>resize.pw*resize.ph*2 or w*h*2<resize.pw*resize.ph then
gsstat.refr_int=0 -- update refresh timer to new image size
gsstat.refresh=0
end
SendEventCommand ("RESIZE","() %d %d",w,h)
resize.pw=w resize.ph=h
end
end
function ProcessResizeEvent(w,h)
if resize.timer~=0 then ResetDelayedDo(resize.timer) resize.timer=0 end
if h~=0 and w~=0 then
resize.timer=SetDelayedDo(140,function() SendResizeEvent(w,h) resize.timer=0 end)
end
end
end -- resize
function SendKeyEvent(code,modif,down)
if not down then return false end
print_debug("Key pressed: ", code, modif, "\n")
if key_text[code] then
SendKeyCommand (key_text[code],mod_text[modif])
elseif char_text[code] and bit.band(modif,wx.wxMOD_MORE_THAN_SHIFT)>0 then
SendKeyCommand (char_text[code],mod_text[modif])
else
return false
end
return true
end
do local inputstr = ""
function SendCharEvent(event)
local code=event:GetKeyCode()
if char_shift_text[code] then
SendKeyCommand (char_shift_text[code],"SHIFT")
return false
else
return EditInputLine(code)
end
end
function EditInputLine(code)
if console then inputstr=gswin.editwindow:GetValue()end
if code==wx.WXK_RETURN then
if inputstr=="" then RunPScode:add("/RETURN /NORM KEYCOMMAND") end
RunInputString()
elseif code==wx.WXK_BACK then
inputstr=inputstr:sub(1,-2)
if console then
local pos=gswin.editwindow:GetInsertionPoint()
gswin.editwindow:Remove(pos-1, pos)
end
elseif code > 31 and code < 127 then
local char=string.char(code)
inputstr=inputstr .. char
if console then gswin.editwindow:WriteText(char) end
else
return false
end
return true
end
function RunInputString()
if console then inputstr=gswin.editwindow:GetValue()end
if inputstr~="" then
RunPScode:add("{" .. inputstr .. "} stopped {handleerror} if")
end
inputstr="" if console then gswin.editwindow:Clear() end
end
end -- inputstr
function StartCheckUpdate ()
if gsstat.update~=0 then return end
gsstat.update=SetDelayedDo(300,CheckUpdate)
end
function StopCheckUpdate ()
if gsstat.update~=0 then ResetDelayedDo(gsstat.update) gsstat.update=0 end
end
function CheckUpdate ()
gsstat.update=0
if gsstat.working then return end
if gsobj.instancechecker:IsLockUpdated() then
SendEventCommand ("REFRESH","(%s) 1 /THISFILE",gsargs.psf_dir..gsargs.psf_name)
else
StartCheckUpdate ()
end
end
function InitializeGS ()
gsobj.gsdll = wxghost.wxGsDll(gsargs.dllloc, gsargs.libloc, gsargs.fontloc)
if (not gsobj.gsdll:isOK()) then
ExitPSV_init() error(_T("Failed to link to Ghostscript library"),1)
end
gsobj.ghostscript = wxghost.wxLuaGhostscript()
gswin.gswindow = wxghost.wxGsWindowX(frame,wx.wxID_ANY)
local stdoutstr = ""
gsobj.ghostscript.OnStdout = function(self, GsOut)
stdoutstr=stdoutstr..GsOut
local line,rest=stdoutstr:match("^(.*\n)([^\n]*)$")
if line then
stdoutstr=rest
local _m,_p = line:match("^(!PSV_)(.*)$")
if _m then
CallPSVhook(_p)
else
print_message(line)
end
end
if gsstat.ready and wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
end
gsobj.ghostscript.OnStderr = function(self, GsOut)
print(GsOut)
if gsstat.ready and wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
end
gsobj.ghostscript.OnStdin = function(self)
print_debug("!!!StdIn (PS_View?)\n")
if gsstat.ready then
gsobj.ghostscript:Suspend()
if not StdInCode:isEmpty() then
return StdInCode:get() .. "\n"
else
return "\n"
end
else
return ""
end
end
-- gsobj.ghostscript.OnPoll = function(self)
-- print_debug("!!!Poll callback\n")
-- return 0
-- end
gsobj.ghostscript.OnDisplayOpen = function(self, Image)
print_debug("!Display_Open", Image, "\n")
if gsstat.ready and wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
return 0
end
-- gsobj.ghostscript.OnDisplayPreSize = function(self, Image) return 0 end
gsobj.ghostscript.OnDisplaySize = function(self, Image)
print_debug("!Display_Size (image ready)", Image, "\n")
if gsstat.drawoverlay then
gsobj.overlay=Image
gsobj.overlay.w=Image:GetWidth() gsobj.overlay.h=Image:GetHeight()
gsobj.overlay.r=false
else
gsobj.image=Image
gsobj.image.w=Image:GetWidth() gsobj.image.h=Image:GetHeight()
gswin.gswindow:SetGsImage(gsobj.image) gsobj.image.r=false
end
if gsstat.ready and wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
return 0
end
gsobj.ghostscript.OnDisplaySync = function(self, Image)
print_debug("!Display_Sync", Image, "\n")
if gsstat.drawoverlay and gsobj.overlay.r or gsobj.image.r then
gswin.gswindow:Refresh()
end
if gsstat.drawoverlay then gsobj.overlay.r=true else gsobj.image.r=true end
if gsstat.ready and wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
return 0
end
gsobj.ghostscript.OnDisplayPage = function(self, Image, copies, flush)
print_debug("!!!Display_Page (PS_View?)\n")
if gsstat.ready then
gsobj.ghostscript:Suspend()
gswin.gswindow:Refresh()
gsstat.working=false
end
return 0
end
local rect,mul=nil,0
-- OnDisplayUpdate is called on every graphic object (it is too frequent to update window)
gsobj.ghostscript.OnDisplayUpdate = function(self, Image, Rect)
if gsstat.ready then
-- if rect then rect=rect:Union(Rect) else rect=wx.wxRect(Rect) end
if gsstat.refresh==0 then
gsstat.refresh=SetTimer(gsstat.refr_int)
elseif CheckTimer(gsstat.refresh) then
if gsstat.drawoverlay then gsobj.overlay.r=true else gsobj.image.r=true end
gswin.gswindow:Refresh()
-- gswin.gswindow:Refresh(false,rect)
if gsstat.refr_int==0 then
local sw=wx.wxStopWatch()
-- gswin.gswindow:Refresh()
gswin.gswindow:Update()
gsstat.refr_int=5*sw:Time()
print_debug(_T("Update Interval: ") .. gsstat.refr_int .. " ms\n")
end
gsstat.refresh=SetTimer(gsstat.refr_int)
end
if wxapp:Pending() then
gsobj.ghostscript:Suspend()
end
end
return 0
end
-- gsobj.ghostscript.OnDisplayPreClose = function(self, Image) return 0 end
gsobj.ghostscript.OnDisplayClose = function(self, Image)
print_debug("!Display_Close (image delete)", Image, "\n")
-- close may be called more than one time, so delay window destroy
return 0
end
return true
end
function StartGS ()
gsobj.ghostscript:Create(gsobj.gsdll, gsargs.args, wxghost.wxGhostscript.colour) -- greyscale)
local err=gsobj.ghostscript:GetExitCode()
if err==wxghost.e_Info then return false end
if err==wxghost.e_Quit then return false end
if (gsobj.ghostscript:isReady()) then
gsstat.ready=true
else
ExitPSV_init() error(_T("Failed to start Ghostscript"),1)
end
RunPScode:insert("start")
return true
end
function PushRunGS ()
local torun, isdsc = RunPScode, gsobj.dscthread
if isdsc then
if not wx.wxIsBusy() then wx.wxBeginBusyCursor() end
torun=RunDSCcode
if gsobj.dscthread()==0 then
if torun:isEmpty() then gsobj.dscthread=nil
else gsobj.dscthread=function() return 0 end end
end
end
if gsstat.working then
if gsobj.ghostscript:isSuspended() then
gsobj.ghostscript:Resume()
return true
elseif gsobj.ghostscript:isReady() then
if not isdsc then
if gsstat.drawoverlay then gsobj.overlay.r=true else gsobj.image.r=true end
gswin.gswindow:Refresh()
end
gsstat.working=false
end
end
if not gsstat.working then
if torun:isEmpty() then
if isdsc then return true -- read more DSC
else
if wx.wxIsBusy() then wx.wxEndBusyCursor() end
StartCheckUpdate()
return false -- nothing to do
end
elseif gsobj.ghostscript:isReady() then
if not wx.wxIsBusy() then wx.wxBeginBusyCursor() end
StopCheckUpdate()
gsstat.working=true gsstat.refresh=0
local code=torun:getMax()
print_debug(_T("RunPS>>") .. code .."\n")
gsobj.ghostscript:RunString(code)
return true
end
end
return not IsGSerror()
end
function ClosePSV ()
-- print_debug(wxlua.GetGCUserdataInfo(true))
-- print_debug(wxlua.GetTrackedObjectInfo(true)) -- !!
if gsstat.ready then
if gsstat.update~=0 then ResetDelayedDo(gsstat.update) end
gsobj.gstimer:Stop()
gsstat.ready=false
print_debug(_T("Close, quit\n"))
gsobj.ghostscript:Terminate(wxghost.e_Quit)
end
if trans then trans:close() end -- for locale text extraction
if wx.wxIsBusy() then wx.wxEndBusyCursor() end
if gswin.gswindow then gswin.gswindow:Destroy() gswin.gswindow=nil end
if gsobj.instancechecker then gsobj.instancechecker:Destroy(true) end
-- ConfigSavePaths(gsargs)
ConfigSaveFramePosition(frame, "MainWindow")
if console then
ConfigSaveFramePosition(console, "ConsoleWindow")
console:Destroy()
console=nil
end
gsobj.config:Flush()
frame:Destroy()
end
function IsGSerror()
if gsobj.ghostscript:isSuspended() or gsobj.ghostscript:isReady() then
return false
end
ExitPSV(gsobj.ghostscript:GetExitCode())
return true
end
function ExitPSV (err_code)
if err_code==0 then frame:Close() return end
if gsstat.ready then
if gsstat.update~=0 then ResetDelayedDo(gsstat.update) end
gsobj.gstimer:Stop()
gsstat.ready=false
gsobj.ghostscript:Terminate(err_code)
end
if wx.wxIsBusy() then wx.wxEndBusyCursor() end
if gsobj.instancechecker then gsobj.instancechecker:Destroy(true) end
if console then
console:Show() frame:Hide()
console:Connect(wx.wxEVT_CLOSE_WINDOW, function (event)
console:Destroy() frame:Destroy() end)
else
frame:Destroy()
end
end
function ExitPSV_init ()
if gsstat.ready then
gsstat.ready=false
gsobj.ghostscript:Terminate(gsobj.ghostscript:GetExitCode())
end
if wx.wxIsBusy() then wx.wxEndBusyCursor() end
if gsobj.instancechecker then gsobj.instancechecker:Destroy(true) end
if console then wxapp:SetTopWindow(console) end
if frame then frame:Destroy() end
end
do local time, todo = 0, {}
function TimerTick()
time=time+1
if todo[time] then
todo[time]() todo[time]=nil
wx.wxWakeUpIdle()
end
end
function GetCurrTime() return time end
function SetTimer(delta) return time+math.ceil(delta/20) end
function CheckTimer(fin) return time>=fin end
function SetDelayedDo(delta,run)
local fin=SetTimer(delta)
while todo[fin] do fin=fin+1 end
todo[fin]=run
return fin
end
function ResetDelayedDo(fin) todo[fin]=nil end
end
function ConnectEvents ()
gsobj.gstimer = wx.wxTimer(frame)
frame:Connect(wx.wxEVT_TIMER, TimerTick)
gsobj.gstimer:Start(20)
local in_iddle = false
frame:Connect(wx.wxEVT_IDLE, function (event)
if in_iddle then return end in_iddle=true
if PushRunGS() then event:RequestMore() end
in_iddle=false end)
frame:Connect(wx.wxEVT_CLOSE_WINDOW, function (event)
ClosePSV() event:Skip() end)
frame:Connect(wx.wxEVT_COMMAND_MENU_SELECTED, function (event)
SendMenuCommand(gsobj.menu:getName(event:GetId()),"NORM")
end )
-- gswin.gswindow:Connect(wx.wxEVT_ERASE_BACKGROUND, function (event) end)
gswin.gswindow:SetBackgroundStyle(wx.wxBG_STYLE_CUSTOM)
gswin.gswindow:Connect(wx.wxEVT_SIZE, function (event)
local size = event:GetSize()
ProcessResizeEvent(size:GetWidth(),size:GetHeight())
event:Skip()
end )
gswin.gswindow:Connect(wx.wxEVT_LEFT_DOWN, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_LEFT_UP, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_LEFT_DCLICK, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_RIGHT_DOWN, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_RIGHT_UP, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_RIGHT_DCLICK, MouseButtonEvent)
gswin.gswindow:Connect(wx.wxEVT_MOUSEWHEEL, MouseWheelEvent)
gswin.gswindow:Connect(wx.wxEVT_MOTION, MouseMotionEvent)
PrepareKeyNames()
gswin.gswindow:Connect(wx.wxEVT_KEY_DOWN, function (event)
if not SendKeyEvent(event:GetKeyCode(),event:GetModifiers(),true) then event:Skip() end
end )
gswin.gswindow:Connect(wx.wxEVT_KEY_UP, function (event)
if not SendKeyEvent(event:GetKeyCode(),event:GetModifiers(),false) then event:Skip() end
end )
gswin.gswindow:Connect(wx.wxEVT_CHAR, function (event)
if not SendCharEvent(event) then event:Skip() end
end )
end
function InitializeConsole()
console=console:DynamicCast("wxFrame")
-- assume that console frame has one child, and this is TextCtrl !
gswin.logwindow = console:GetChildren():Item(0):GetData():DynamicCast("wxTextCtrl")
gswin.editwindow = wx.wxTextCtrl(console, wx.wxID_ANY, "",
wx.wxDefaultPosition, wx.wxDefaultSize, wx.wxTE_PROCESS_ENTER)
consolesizer=wx.wxBoxSizer(wx.wxVERTICAL)
consolesizer:Add(gswin.logwindow,1,wx.wxEXPAND)
consolesizer:AddSpacer(2)
consolesizer:Add(gswin.editwindow,0,wx.wxEXPAND)
console:SetSizerAndFit(consolesizer)
gswin.editwindow:SetFocus()
gswin.logwindow:Connect(wx.wxEVT_CHAR, function (event)
if event:GetKeyCode()==wx.WXK_RETURN then RunInputString()
else gswin.editwindow:EmulateKeyPress(event) end event:Skip()
end )
gswin.editwindow:Connect(wx.wxEVT_COMMAND_TEXT_ENTER, function (event)
RunInputString()
end )
end
function PSFName(name)
if not name or name=="" then return "","",0 end
local fname=wx.wxFileName(name)
fname:Normalize()
local resdir=fname:GetVolume() .. fname.GetVolumeSeparator() ..
fname:GetPath(wx.wxPATH_GET_SEPARATOR,wx.wxPATH_UNIX)
local resfn=fname:GetFullName(wx.wxPATH_UNIX)
return resdir,resfn,#resdir
end
function SetPSFile(fdir,fname)
if gsargs.psf_dir ~= fdir or gsargs.psf_name ~= fname then
gsargs.psf_dir, gsargs.psf_name = fdir,fname
SetPSTitle(fname)
if gsobj.instancechecker then gsobj.instancechecker:Destroy(false) end
gsobj.instancechecker = CreateInstanceChecker()
end
gsobj.instancechecker:IsAnotherInstance()
end
function SetPSTitle(fname)
local wtitle=PS_VIEW_NAME
if fname~="" then wtitle=fname .. " -- " .. wtitle end
frame:SetTitle(wtitle)
if console then console:SetTitle(wtitle .. _T(" Console")) end
end
function PrintUsageInfo(appname,luaname)
print(_T("This is ") .. PS_VIEW_VERSION_STRING .. _T(" working on wxLuaGhostscript;\n"))
print(_T("built with ") .. wxlua.wxLUA_VERSION_STRING .. _T(" and ") .. wx.wxVERSION_STRING)
if gsobj.gsdll then
print(_T(";\nlinked with Ghostscript ") ..string.format("%g",gsobj.gsdll:GetVersion())) end
print(_T(".\n\nUsage: ") .. appname .. _T(" [-h|--help] [-c|--console] [-l|--lua] ")
.. luaname .. _T(" [options] [-p|--ps] PS_View.ps [-- [more options]]\n"))
print(_T(" -h, --help help on command line arguments;\n"))
print(_T(" -c, --console show message console;\n"))
print(_T(" -l, --lua wxLua script to construct application;\n"))
print(_T(" -p, --ps PostScript program to run;\n"))
print(_T(" -q, --quiet turn off most of messages;\n"))
print(_T(" -v, --verbose turn on verbose/debug mode and console;\n"))
print(_T(" -n, --new open new window for document;\n"))
print(_T(" -w, --watch watch for document changes;\n"))
print(_T(" -g, --gsdll path to Ghostscript .dll/.so file;\n"))
print(_T(" -i, --gslib paths to Ghostscript init files;\n"))
print(_T(" -s, --gsset ghostscript parameter (-s equivalent);\n"))
print(_T(" -d, --gsdef ghostscript parameter (-d equivalent);\n"))
print(_T(" -- all following argument will be directly passed to\n"))
print(_T(" Ghostscript before the PostScript (-p) program name;\n"))
if console then console:Show() end
end
function GetParameter(argt,i,short,long)
assert(argt[i],"Assertion falied -- parameter number out of range")
local _m,_p = argt[i]:match("^(%-"..short..")(.*)$")
if not _m then _m,_p = argt[i]:match("^(%-%-"..long..")(.*)$") end
if not _m then return false end
if _p=="" then return true
else
error(_T("Option: ") .. _m .. _T(" has a unexpected value: ") .. _p ..
_T("\nUse -h or --help option for usage.\n"))
end
end
function GetParameterValue(argt,i,short,long)
assert(argt[i],"Assertion falied -- parameter number out of range")
local _m,_p = argt[i]:match("^(%-"..short..")(.*)$")
if not _m then _m,_p = argt[i]:match("^(%-%-"..long..")(.*)$") end
if not _m then return false,0 end
if _p=="" then
local _n=argt[i+1]
if _n and _n:sub(1,1)~="-" then return _n,1
else
error(_T("Option: ") .. _m .. _T(" must have a value.") ..
_T("\nUse -h or --help option for usage.\n"))
end
else
return _p,0
end
end
function ParseCommandLine(argt)
if argt then
local function addgsarg(v) table.insert(gsargs.args, v) end
-- arguments pushed into wxLua are
-- [C++ app and it's args][lua prog at 0][args for lua start at 1]
local n,to_gs,psf_name = 0,false,nil
while argt[n-1] do n = n - 1 end
-- n == exe program name
local i,_v,_i=n+1
repeat
print_debug("args: ", i, argt[i], "\n")
_v,_i=false,0
-- 0 == this program name
if i==0 then _v=true end
if to_gs then
_v=argt[i] addgsarg(_v)
end
if argt[i]=="--" then
to_gs=true
_v=true
assert(i>0,"Assert failed -- parameter passing error")
end
if not _v then
_v = GetParameter(argt,i,"h","help")
if _v then
PrintUsageInfo(arg[n],arg[0])
return false
end
end
if not _v then
_v = GetParameter(argt,i,"c","console")
-- console parameter already processed
end
if not _v then
_v = GetParameter(argt,i,"q","quiet")
if _v then verbose=v_quiet
addgsarg("-q") -- -q implies also quiet Ghostscript
end
end
if not _v then
_v = GetParameter(argt,i,"v","verbose")
if _v then verbose=v_verbose
if console then console:Show() end -- -v implies -c
end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"l","lua")
-- lua parameter already processed -- check only for bad usage
if _v then
if i>0 then
error(_T("Only one wxLua script can be run -- superfluous: ") .. arg[i]
.. _T(" parameter.") ..
_T("\nUse -h or --help option for usage.\n"))
end
assert(i==-1,"Assert failed -- parameter passing error")
end
end
if not _v then
_v = GetParameter(argt,i,"n","new")
if _v then force_open=true end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"g","gsdll")
if _v then
if gsargs.dllloc~="" then
print_message(_T("Warning -- parameter: ") .. argt[i] .. _T(" overrides previous value.\n"))
end
gsargs.dllloc=_v
end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"i","gslib")
if _v then table.insert(gsargs.libs,_v) end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"s","gsset")
if _v then addgsarg("-s".._v)
if _v:find("INPUT[=#]") then psf_name=_v:match("INPUT[=#](.+)") end
end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"d","gsdef")
if _v then addgsarg("-d".._v) end
end
if not _v then
_v,_i = GetParameterValue(argt,i,"p","ps")
if _v then table.insert(gsargs.progs,_v) end
end
if not _v then
if not argt[i]:match("^%-") then
_v=argt[i] table.insert(gsargs.progs, _v)
end
end
if not _v then
error(_T("Unrecognized option: ") .. argt[i] ..
_T("\nUse -h or --help option for usage.\n"))
end
i=i+1+_i
until i > #argt
-- and try to find name of file to be opened
-- (it is used for window title, and refresh mechanism
if psf_name then gsargs.psf_dir, gsargs.psf_name = PSFName(psf_name) end
end
return true
end
function FixGSPaths(gsargs)
local libloc, gslib, psvlib = gsargs.libloc, gsargs.gslib, gsargs.psvlib
local libstr, sep, fname = "", ":", wx.wxFileName()
if wx.__WXMSW__ or wx.__WXOS2__ then sep=";"
elseif wx.__WXMAC__ then sep="," end
if gsargs.dllloc=="" and os.getenv("GS_DLL") then
gsargs.dllloc=os.getenv("GS_DLL") end
if gsargs.fontloc=="" and os.getenv("GS_FONTS") then
gsargs.fontloc=os.getenv("GS_FONTS") end
if gslib=="" then
if gsargs.dllloc~="" then
fname:Assign(gsargs.dllloc)
fname:RemoveDir(fname:GetDirCount()-1) fname:AppendDir("lib")
fname:SetName("gs_il2_e") fname:SetExt("ps")
if fname:FileExists() then gslib = PSFName(fname:GetFullPath()) end
fname:Assign(gsargs.dllloc)
fname:RemoveDir(fname:GetDirCount()-1)
fname:AppendDir("Resource") fname:AppendDir("Init")
fname:SetName("gs_init") fname:SetExt("ps")
if fname:FileExists() then
if gslib=="" then gslib = PSFName(fname:GetFullPath())
else gslib = gslib .. sep .. PSFName(fname:GetFullPath()) end
end
end
end
if gslib=="" then gslib="%rom%lib/" .. sep .. "%rom%Resource/Init" end
if psvlib=="" then
for i,v in ipairs(gsargs.progs) do
fname:Assign(v)
if fname:FileExists() then
if fname:IsAbsolute() then psvlib = PSFName(fname:GetFullPath()) end
else
fname:Assign(wx.wxFileName(arg[0]):GetPath(wx.wxPATH_GET_VOLUME),v)
if fname:FileExists() then psvlib = PSFName(fname:GetFullPath()) end
end
end
end
for i,v in ipairs(gsargs.libs) do
if libstr~="" then libstr=libstr..sep..v else libstr=v end
end
if libstr=="" and libloc~="" then libstr=libloc end
if gslib~="" and not libstr:find(gslib,1,true) then
if libstr~="" then libstr=gslib..sep..libstr else libstr=gslib end
end
if psvlib~="" and not libstr:find(psvlib,1,true) then
if libstr~="" then libstr=libstr..sep..psvlib else libstr=psvlib end
end
if libstr=="" and os.getenv("GS_LIB") then libstr=os.getenv("GS_LIB") end
gsargs.libloc, gsargs.gslib, gsargs.psvlib = libstr, gslib, psvlib
-- add default parameters at begining
if #gsargs.cmd_pars==0 then gsargs.cmd_pars = PSV_DftGsPars end
for i,v in ipairs(gsargs.cmd_pars) do table.insert(gsargs.args,i,v) end
-- and PS programs at the end
for i,v in ipairs(gsargs.progs) do table.insert(gsargs.args,v) end
end
function SetLocale(lang)
local progdir=wx.wxFileName(arg[0]):GetPath(wx.wxPATH_GET_VOLUME)
if progdir=="" then progdir="." end
gsobj.locale=wx.wxLocale(lang)
os.setlocale("C","numeric")
if gsobj.locale:IsOk() then
gsobj.locale.AddCatalogLookupPathPrefix(progdir)
gsobj.locale:AddCatalog("psv") -- locale `domain'
end
end
function PrepareLocale()
local lang=wx.wxLANGUAGE_DEFAULT
if psvpars.language~="" then
local langinf=wx.wxLocale.FindLanguageInfo(psvpars.language)
if langinf then lang=langinf.Language end
end
SetLocale(lang)
-- trans=io.open("trans.txt","a")
function _T(str)
-- trans:write("msgid: \""..str.."\"\n")
return wx.wxGetTranslation(str)
end
PS_VIEW_VERSION_STRING=string.format(_T("%s, version %g"), PS_VIEW_NAME, PS_VIEW_VERSION)
end
function CreateInstanceChecker()
local checker={}
function checker:Create()
local tname="." .. PS_VIEW_NAME
if wx.__WXMSW__ then tname="psview" end -- for Vista (?)
-- wx.wxFileName.GetTempDir() -- not implemented in wxLua
-- os.tmpname() -- gives bad result under MSW
local fname=wx.wxFileName()
fname:AssignTempFileName(tname)
if fname:IsOk() then
wx.wxRemoveFile(fname:GetFullPath())
else return false end
fname:AssignDir(fname:GetPath(wx.wxPATH_GET_VOLUME))
fname:AppendDir(tname)
if not fname:DirExists() then
if not fname:Mkdir() then return false end
end
self.dname=wx.wxFileName(fname)
fname:SetName(tname .. MakeNameHash()) fname:SetExt("lock")
self.fname=wx.wxFileName(fname)
self.created=false self.time=nil
end
--
function checker:SetTime()
local ok,modtime=self.fname:GetTimes()
if ok then self.time=modtime end
end
function checker:CheckTime()
local ok,modtime=self.fname:GetTimes()
if modtime:IsLaterThan(self.time) then
if self.fname:GetSize():ToULong()<2 then
-- signal active instance
self:CreateLock()
else self.time=modtime end
return true
else return false end
end
function checker:CreateLock()
self:MakeLock(tostring(wx.wxGetProcessId()))
self:SetTime() self.created=true
end
function checker:MakeLock(cont)
local file=wx.wxFile(self.fname:GetFullPath(),wx.wxFile.write)
if file:IsOpened() then
file:Write(cont) file:Close()
end
end
function checker:UpdateLock()
self.fname:Touch()
self:SetTime()
end
--
function checker:IsAnotherInstance()
if not self.dname or not self.fname then return false end
if not self.dname:DirExists() then self.dname:Mkdir() end
if self.fname:FileExists() then
print_debug("SIZE: ", self.fname:GetSize():ToULong())
if self.fname:GetSize():ToULong()<2 then
-- unactive instance found (= no active instance)
self:CreateLock() return false
end
self:UpdateLock() return true
else
self:CreateLock() return false
end
end
--
function checker:IsLockUpdated()
if not self.dname or not self.fname then return false end
if not self.dname:DirExists() then self.dname:Mkdir() end
if self.fname:FileExists() then
return self:CheckTime()
else
self:CreateLock() return true
end
end
--
function checker:Destroy(quit)
if not self.dname or not self.fname then return false end
if not self.dname:DirExists() then return false end
if self.created and self.fname:FileExists() then
wx.wxRemoveFile(self.fname:GetFullPath())
end
local old,mod=wx.wxDateTime(os.time())
old:Subtract(wx.wxDateSpan.Days(7))
local dir=wx.wxDir(self.dname:GetPath(wx.wxPATH_GET_VOLUME))
local f,filen=dir:GetFirst()
local fname=wx.wxFileName(dir:GetName(),filen)
while f do
ok,mod=fname:GetTimes()
if mod:IsEarlierThan(old) then wx.wxRemoveFile(fname:GetFullPath()) end
f,filen=dir:GetNext() fname:SetFullName(filen)
end
if quit and not dir:HasFiles() then wx.wxRmdir(dir:GetName()) end
self.dname=nil self.fname=nil self.time=nil
return true
end
--
checker:Create()
return checker
end
function MakeNameHash()
local str = PS_VIEW_NAME .. wx.wxGetUserId() .. gsargs.psf_dir .. gsargs.psf_name
local hash,hasht = 231172,{}
for i,v in ipairs{str:byte(1,#str)} do hash = hash + 8^(i%13)*v end
while hash>1 do table.insert(hasht,65+hash%26%26) hash=math.floor(hash/26) end
return string.char(unpack(hasht))
end
function ConfigGetParameters()
gsobj.config:SetPath("/PSV_Parameters")
local _, _cmd = gsobj.config:Read("cmdpars", "")
local _, _lang = gsobj.config:Read("language", "")
if #gsargs.cmd_pars==0 and _cmd then
for i in string.gmatch(_cmd,"%S+") do table.insert(gsargs.cmd_pars,i) end
end
if psvpars.language=="" and _lang then psvpars.language = _lang end
end
function ConfigGetPaths(gsargs)
gsobj.config:SetPath("/GhostscriptPaths")
local _, _gsdll = gsobj.config:Read("dll", "")
local _, _gslibs = gsobj.config:Read("libs", "")
local _, _gsfont = gsobj.config:Read("font", "")
local _, _gslib = gsobj.config:Read("gslib", "")
local _, _psvlib = gsobj.config:Read("psvlib", "")
if gsargs.dllloc=="" and _gsdll then gsargs.dllloc =_gsdll end
if gsargs.libloc=="" and _gslibs then gsargs.libloc =_gslibs end
if gsargs.fontloc=="" and _gsfont then gsargs.fontloc=_gsfont end
if gsargs.gslib=="" and _gslib then gsargs.gslib =_gslib end
if gsargs.psvlib=="" and _psvlib then gsargs.psvlib =_psvlib end
end
function ConfigSavePaths(gsargs)
gsobj.config:SetPath("/GhostscriptPaths")
gsobj.config:Write("dll", gsargs.dllloc)
gsobj.config:Write("libs", gsargs.libloc)
gsobj.config:Write("font", gsargs.fontloc)
gsobj.config:Write("gslib", gsargs.gslib)
gsobj.config:Write("psvlib", gsargs.psvlib)
end
function ConfigRestoreFramePosition(window, windowName)
gsobj.config:SetPath("/"..windowName)
local _, s = gsobj.config:Read("s", -1)
local _, x = gsobj.config:Read("x", -1)
local _, y = gsobj.config:Read("y", -1)
local _, w = gsobj.config:Read("w", -1)
local _, h = gsobj.config:Read("h", -1)
if s ~= -1 then
local cX, cY, cW, cH = wx.wxClientDisplayRect()
if x < cX then x = cX end
if y < cY then y = cY end
if w > cW then w = cW end
if h > cH then h = cH end
window:SetSize(x, y, w, h)
end
if s == 1 then window:Maximize(true) end
end
function ConfigSaveFramePosition(window, windowName)
gsobj.config:SetPath("/"..windowName)
local s = 0
local w, h = window:GetSizeWH()
local x, y = window:GetPositionXY()
if window:IsMaximized() then s = 1
elseif window:IsIconized() then s = 2 end
gsobj.config:Write("s", s)
if s == 0 then
gsobj.config:Write("x", x)
gsobj.config:Write("y", y)
gsobj.config:Write("w", w)
gsobj.config:Write("h", h)
end
end
function Main()
wxapp = wx.wxGetApp()
console=wxapp:GetTopWindow() -- or `nil' if console not created
wxapp:SetAppName("psv")
gsobj.config = wx.wxFileConfig() -- default setting are very nice
ConfigGetParameters()
PrepareLocale()
if not ParseCommandLine(arg) then return true end
if #gsargs.progs==0 then
error(_T("No PostScript programe give in commandline, I don't know what to do -- quiting.\n"))
end
gsobj.instancechecker = CreateInstanceChecker()
if not gsobj.instancechecker then
error(_T("Unable to create instance checker, check lock in temp directory -- quiting.\n"))
end
if gsobj.instancechecker:IsAnotherInstance() and not force_open then
print_message(_T("Another instance of PS_View is running -- quiting.\n"))
gsobj.instancechecker:MakeLock('0') -- try if instance is dead
gsobj.instancechecker:Destroy()
return true
elseif force_open then gsobj.instancechecker:CreateLock() end
ConfigGetPaths(gsargs)
-- create the wxFrame window
frame = wx.wxFrame( wx.NULL, -- no parent for toplevel windows
wx.wxID_ANY, -- don't need a wxWindow ID
PS_VIEW_NAME, -- caption on the frame
wx.wxDefaultPosition, -- let system place the frame
wx.wxDefaultSize, -- set the size of the frame
wx.wxDEFAULT_FRAME_STYLE ) -- use default frame styles
ConfigRestoreFramePosition(frame, "MainWindow")
frame:SetIcons(iconimg)
if console then
InitializeConsole()
ConfigRestoreFramePosition(console, "ConsoleWindow")
console:SetIcons(icontxt)
wxapp:SetTopWindow(frame)
end
SetPSTitle(gsargs.psf_name)
FixGSPaths(gsargs)
InitializeGS()
StartGS()
ConnectEvents ()
-- show the frame window
frame:Show(true)
gswin.gswindow:SetFocus()
wx.wxWakeUpIdle() -- probably not needed, but inserted for sure
end
Main()
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