md houssy wrote:
>
>> 2/ for the class Fl_Input how can we get the string passed into the
>> Fl_input ? Fl_input->value returns a const char*; so how can I get
>> all the text typed into the Fl_Input label ?
>
> I don't understand the question - a char* is a text string, it holds all
> the characters that are in the Fl_Input... What is it that you are
> asking?---> I tried this method
>
> const char *login = Login_input.value;
> const char *L= "login";
>
> if ((strcmp(login,L))
> {
> ......
> }
>
> but the comparison consider just the first charachter but not all the text.
Works for me... See attached fluid file for a working example.
Note that,as I am sure you know, strcmp returns zero for strings that
match, so your code example above is perhaos wrong?
##########################
# data file for the Fltk User Interface Designer (fluid)
version 1.0109
header_name {.h}
code_name {.cxx}
decl {\#include <stdio.h>} {}
decl {\#include <string.h>} {}
Function {} {open
} {
Fl_Window main_win {
label {Fl Input Test} open
xywh {550 284 490 380} type Double visible
} {
Fl_Input in_val {
label {input:}
xywh {95 55 245 35}
}
Fl_Button {} {
label {Process
Input}
callback {// callback
int len = strlen(in_val->value());
printf("Text is \\"%s\\" and is %d chars long\\n", in_val->value(), len);
if(strcmp(in_val->value(), "login") == 0)
{
puts("Text == login");
}
// end of callback} selected
xywh {55 180 105 80}
}
Fl_Button quit_bt {
label Quit
callback {main_win->hide();}
xywh {408 334 70 29}
}
}
}
##########################
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