I't didn't work .
Antonio Scuri <antonio.sc...@gmail.com> 于2018年6月25日周一 下午10:23写道：
> Ok. Probably the update is being hold in the GTK message processing. If
> you really need a fast update then you may try using IupFlush to force a
> message processing after setting SCROLLTO.
>
> Best,
> Scuri
>
>
> Em seg, 25 de jun de 2018 às 09:17, max chen <trls...@gmail.com> escreveu:
>
>> It work in a regular situation, for example, use a button to scroll to
>> bottom. But it did not work with timer.
>>
>> Antonio Scuri <antonio.sc...@gmail.com> 于2018年6月25日周一 下午7:59写道：
>>
>>> With the timer or in a regular situation?
>>>
>>> Em seg, 25 de jun de 2018 08:22, max chen <trls...@gmail.com> escreveu:
>>>
>>>> Yes, it works in Windows. But in Linux, I can't see the latest appended
>>>> string and the scroll bar will never reach the bottom.
>>>>
>>>> Antonio Scuri <antonio.sc...@gmail.com> 于2018年6月25日周一 下午6:14写道：
>>>>
>>>>> Hi,
>>>>>
>>>>> Your code is working in Windows and in Linux.
>>>>>
>>>>> In Linux it takes a little longer to update the scrollbar because of
>>>>> the fast pace of the timer, but it is updated.
>>>>>
>>>>> How does it behave on your system?
>>>>>
>>>>> Best,
>>>>> Scuri
>>>>>
>>>>>
>>>>> Em dom, 24 de jun de 2018 às 21:51, max chen <trls...@gmail.com>
>>>>> escreveu:
>>>>>
>>>>>> I want to use IupText to be a message output console, when message
>>>>>> append to IupText, I want to scroll to the bottom of IupText. I try the
>>>>>> following code, but it didn't work.
>>>>>>
>>>>>> [code]
>>>>>> #include <stdio.h>
>>>>>> #include <stdlib.h>
>>>>>> #include <string.h>
>>>>>> #include <iup.h>
>>>>>>
>>>>>> Ihandle *txt_message;
>>>>>>
>>>>>> int cb_timer(Ihandle *self)
>>>>>> {
>>>>>> static int val;
>>>>>> int line_cnt;
>>>>>>
>>>>>> IupSetStrf(txt_message, "APPEND", "[%d]TEST TXT\n\r", val++);
>>>>>> line_cnt = IupGetInt(txt_message, "LINECOUNT");
>>>>>> IupSetStrf(txt_message, "SCROLLTO", "%d:1", line_cnt);
>>>>>>
>>>>>> return IUP_DEFAULT;
>>>>>> }
>>>>>>
>>>>>> void create_main_dialog(void)
>>>>>> {
>>>>>> Ihandle *dlg;
>>>>>> Ihandle *timer;
>>>>>>
>>>>>> timer = IupTimer();
>>>>>> IupSetInt(timer, "TIME", 100);
>>>>>> IupSetCallback(timer, "ACTION_CB", (Icallback)cb_timer);
>>>>>> IupSetAttribute(timer, "RUN", "YES");
>>>>>>
>>>>>> txt_message = IupText(NULL);
>>>>>> IupSetAttribute(txt_message, "EXPAND", "YES");
>>>>>> IupSetAttribute(txt_message, "READONLY", "YES");
>>>>>> IupSetAttribute(txt_message, "MULTILINE", "YES");
>>>>>> IupSetAttribute(txt_message, "APPENDNEWLINE", "NO");
>>>>>>
>>>>>> dlg = IupDialog(
>>>>>> IupSetAttributes(IupVbox(
>>>>>> txt_message,
>>>>>> NULL), "NMARGIN=10x10,GAP=10")
>>>>>> );
>>>>>>
>>>>>> IupSetAttribute(dlg, "TITLE", "RTT STLINK");
>>>>>> IupSetAttribute(dlg, "RASTERSIZE", "800x600");
>>>>>> IupShowXY(dlg, IUP_CENTER, IUP_CENTER);
>>>>>> }
>>>>>>
>>>>>> int main(int ac, char** av)
>>>>>> {
>>>>>> IupOpen(&ac, &av);
>>>>>>
>>>>>> create_main_dialog();
>>>>>> IupMainLoop();
>>>>>>
>>>>>> IupClose();
>>>>>> return 0;
>>>>>> }
>>>>>> [/code]
>>>>>>
>>>>>> Iup 3.25, linux 4.47, gtk+3.0
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Check out the vibrant tech community on one of the world's most
>>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>>> _______________________________________________
>>>>>> Iup-users mailing list
>>>>>> Iup-users@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/iup-users
>>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Check out the vibrant tech community on one of the world's most
>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>> _______________________________________________
>>>>> Iup-users mailing list
>>>>> Iup-users@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/iup-users
>>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Check out the vibrant tech community on one of the world's most
>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>> _______________________________________________
>>>> Iup-users mailing list
>>>> Iup-users@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/iup-users
>>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Check out the vibrant tech community on one of the world's most
>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>> _______________________________________________
>>> Iup-users mailing list
>>> Iup-users@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/iup-users
>>>
>>
>> ------------------------------------------------------------------------------
>> Check out the vibrant tech community on one of the world's most
>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>> _______________________________________________
>> Iup-users mailing list
>> Iup-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/iup-users
>>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Iup-users mailing list
> Iup-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/iup-users
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Iup-users mailing list
Iup-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/iup-users
