I might could be approaching this situation incorrectly, so let me know if you
have any suggestions.
My program has a text_display and a run button with a callback. Here's what
I'm trying to do:
//This is all written within the run button's callback (could that be the
problem?)
1. When I do a callback I display some text (such as: "Running command...")
2. Then AFTER it displays the text, I run a few system commands and return the
status
3. Once it's done I inform the user of the status (Success/Failure) by sending
text to the text display again.
Here's the problem: the text display doesn't display anything until the entire
callback is finished, so everything comes out all at once.
I've tried using a sleep function, and the redraw() function with no luck. I've
also writing a separate function for the system calls which is invoked by the
button's callback. Here's a simple version of my callback:
void runbutt_cb(Fl_Widget *runbutt, void *data)
{
textout->insert("Checking packages for compile errors...\n");
const char* cmd = "some system command";
makestatus = system(cmd);
if (makestatus == 0) textout->insert("\nNo compiling errors found.\n");
else textout->insert("\nErrors found.\n");
}
Is there a way to update a text display before the callback has finished?
Thanks in advance!
Ben
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