First, instead of using ACTION I recommend using VALUECHANGED_CB. It is
faster.
Then you can formatting tags but you have to create the tag with IupUser
every time you want to set a format.
Best,
Scuri
On Tue, Aug 19, 2014 at 5:08 PM, Milind Gupta <[email protected]>
wrote:
> So what is the method to add formatting to the text at run time as text is
> added to the control?
>
>
>
>
> On Tue, Aug 19, 2014 at 7:38 AM, Antonio Scuri <[email protected]>
> wrote:
>
>> Hi,
>>
>> You can not reuse the format tag. It is automatically destroyed when set.
>>
>> Best,
>> Scuri
>>
>>
>>
>> On Thu, Aug 14, 2014 at 9:48 PM, Antonio Scuri <[email protected]>
>> wrote:
>>
>>> I will check that tomorrow.
>>>
>>> Scuri
>>> Em 14/08/2014 21:43, "Milind Gupta" <[email protected]> escreveu:
>>>
>>>> Hi,
>>>> I was trying to learn how to use the formatting capabilities of
>>>> iuptext and I modified the multiline.wlua example in the examples
>>>> directory. Here is what I did:
>>>>
>>>> -- IupMultiline Simple Example in IupLua
>>>> -- Shows a multiline that ignores the treatment of the 'g' key,
>>>> canceling its effect.
>>>>
>>>> require( "iuplua" )
>>>>
>>>> ml = iup.text{MULTILINE = "YES", FORMATTING = "YES", expand="YES",
>>>> value="I ignore the 'g' key!", border="YES"}
>>>> tags = iup.user { bulk = "Yes", cleanout = "Yes" }
>>>>
>>>> ml.action = function(self, c, after)
>>>> if c == iup.K_g then
>>>> iup.Append(tags, iup.user { selectionpos = "0:3", fgcolor = "255 0 0"})
>>>> print("removed formatting")
>>>> ml.addformattag = tags
>>>> print("added format tag")
>>>> return iup.IGNORE
>>>> elseif c == iup.K_b then
>>>> iup.Append(tags, iup.user { selectionpos = "4:7", fgcolor = "0 255 0"})
>>>> ml.addformattag = tags
>>>> return iup.DEFAULT;
>>>> else
>>>> return iup.DEFAULT;
>>>> end
>>>> end
>>>>
>>>> dlg = iup.dialog{ml; title="IupMultiline", size="QUARTERxQUARTER"}
>>>> dlg:show()
>>>>
>>>> if (iup.MainLoopLevel()==0) then
>>>> iup.MainLoop()
>>>> end
>>>>
>>>> The 1st g press works fine and I get the foreground color then i press
>>>> b that although changes the next foreground color Lua crashes. It crashes
>>>> even if g is pressed the second time.
>>>> I am trying to dynamically change the formatting of the text in
>>>> the text box. What am I doing wrong?
>>>>
>>>> Thanks,
>>>> Milind
>>>>
>>>>
>>>>
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>>>>
>>>>
>>
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