>I have some basic code in C that creates a couple of elements and tries to
>print out the list of attributes associated >with one of them (a text area in
>the example below), but when I run it, all the attribute names I expected to
>see are >NULL even though IupGetAllAttributes said there would be several (7
>in this example). I must be doing something >obviously wrong, and to be
>honest, I've forgotten most of programming in C...
>Any ideas one what I'm doing wrong here?
I don't sure if is related, but when GUI, the things is different from linear
execution.
Try:
IupMainLoop();
before print attributes.
#include "iup.h"
#include <stdlib.h>
#include <malloc.h>
#include <stdio.h>
int main(int argc, char** argv) {
IupOpen(argc, argv);
Ihandle *text = IupText(NULL);
IupSetAttribute(text, "MULTILINE", "YES");
IupSetAttribute(text, "EXPAND", "YES");
Ihandle *button = IupButton("Press me", NULL);
Ihandle *box = IupVbox(text, button, NULL);
Ihandle *dialog = IupDialog(box);
IupSetAttribute(dialog, "SIZE", "320x200");
IupShow(dialog);
IupMainLoop();
int names_count = IupGetAllAttributes(text, NULL, -1);
printf("attribute count: %d\n", names_count);
char **names = calloc(names_count, sizeof(char*));
IupGetAllAttributes(text, names, names_count);
for (int i = 0; i < names_count; i++) {
printf("attribute: %s\n", names[i]);
}
IupClose();
}
regards
Ranier Vilela
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