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| PFC does not contain any support for the RichEdit control. If you want to use it you may consider this code. The code is the implementation of a [[control]].
| | <vp>richEditControl</vp> is now part of PFC |
| <vip>implement richeditControl | |
| inherits userControlSupport
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| open core, vpiDomains, gui_native
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| | |
| constants
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| className = "richeditControl/richeditControl".
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| classVersion = "$JustDate: $$Revision: $".
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| clauses
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| classInfo(className, classVersion).
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| class facts
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| loaded : boolean := false().
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| clauses
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| new(Parent):-
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| new(),
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| setContainer(Parent).
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| clauses
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| new():-
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| if loaded = false() then
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| _ = useDll::load("Msftedit.dll"),
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| loaded := true()
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| end if,
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| userControlSupport::new(),
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| generatedInitialize().
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| constants
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| wm_user = 1024.
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| em_streamIn = wm_user+73.
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| em_streamOut = wm_user+74.
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| em_setTextEx = wm_user+97.
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| constants
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| st_default = 0.
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| st_keepundo = 1.
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| st_selection = 2.
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| st_newchars = 4.
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| constants
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| unicode_codepage = 1200.
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| domains
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| setTextEx = setTextEx(unsigned Flags, unsigned Codepage).
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| facts
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| hwnd : windowHandle := erroneous.
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| style : unsigned := ws_visible + ws_vscroll + es_multiline + es_autovscroll.
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| % e.g. style = ws_visible + ws_vscroll + es_multiline + es_autovscroll + es_nohidesel + es_readonly,
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| clauses
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| show():-
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| userControlSupport::show(),
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| Style = ws_child + style,
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| getClientSize(Width, Height),
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| hwnd := createWindowEx(0, "RichEdit50W", "", Style, 0, 0, Width, Height,
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| getVpiWindow(), null, mainExe::getCurrentHinstance(), null),
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| WParam = uncheckedConvert(unsigned, setTextEx(st_default, unicode_codepage)),
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| LParam = uncheckedConvert(integer, getText()),
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| _NoChar = vpi::winSendEvent(hwnd, e_Native(em_setTextEx, WParam, LParam)).
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| predicates
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| onSize : window::sizeListener.
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| clauses
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| onSize(_Source):-
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| getClientSize(Width, Height), % This is in pixel
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| vpi::winMove(hwnd, rct(0, 0, Width, Height)).
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| % This code is maintained automatically, do not update it manually. 21:21:34-2.10.2007
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| facts
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| predicates
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| generatedInitialize : ().
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| clauses
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| generatedInitialize():-
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| setText("richeditControl"),
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| This:setSize(240, 120),
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| addSizeListener(onSize).
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| % end of automatic code
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| end implement richeditControl</vip>
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| [[Category:Controls]]
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| [[Category:Examples]]
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