Sorry, I still think something in that way could be done, maybe calling
IupFlush twice, one for the append and another for the scrollto.
Best,
Scuri
Em ter, 26 de jun de 2018 06:24, max chen <trls...@gmail.com> escreveu:
> 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
>>>>>>>
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