> Thanks for the replay. If I shorten the string the customer is treating
> it as Data lost. So I think that shouldn't a good solution.
Then you got a lot of other problems coming your way, on a small screen... Have
fun!
> Yes it is a
> touch screen only. And u suggested to use Roller....Can u post a pseudo
> code that how to use Roller.
Well, OK, here you go... Pretty crude, but I think it shows what I was
suggesting, anyway...
---------------
//
// Test a demo of a rolling list type-of-a-thing...
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Roller.H>
#include <FL/Fl_Hold_Browser.H>
#include <stdio.h>
static Fl_Double_Window *main_win = NULL;
static Fl_Roller *roller = NULL;
static Fl_Hold_Browser *brws = NULL;
static Fl_Hold_Browser *brws2 = NULL;
static void cb_Exit(Fl_Button*, void*) {
main_win->hide();
}
static void cb_roller(Fl_Roller *rl, void *v) {
int val = (int)rl->value();
Fl_Hold_Browser *br = (Fl_Hold_Browser *)v;
if(br)
{
printf("roll-to %d\n", val); fflush(stdout);
br->topline(val);
}
}
static void cb_brws(Fl_Hold_Browser *br, void *v) {
int val = br->value();
printf("%s (%d)\n", br->text(val), val); fflush(stdout);
}
int main(int argc, char **argv)
{
main_win = new Fl_Double_Window(551, 366, "List Roller Demo");
main_win->begin();
Fl_Button* exit_bt = new Fl_Button(476, 326, 64, 28, "Exit");
exit_bt->callback((Fl_Callback*)cb_Exit);
brws = new Fl_Hold_Browser(75, 100, 165, 170);
brws->callback((Fl_Callback*)cb_brws);
brws->scrollbar_size(1);
brws->clear_visible_focus ();
roller = new Fl_Roller(35, 100, 40, 170);
roller->step(0.25);
roller->callback((Fl_Callback*)cb_roller, brws);
roller->clear_visible_focus ();
brws2 = new Fl_Hold_Browser(270, 100, 165, 170);
brws2->callback((Fl_Callback*)cb_brws);
main_win->end();
// now add a few lines to the browsers //
int iter;
for(iter = 1; iter <= 50; iter++)
{
char line[64];
snprintf(line, 64, "(%3d) This is line %3d", iter, iter);
brws->add(line);
brws2->add(line);
}
roller->maximum(brws->size());
main_win->show(argc, argv);
return Fl::run();
}
/* end of file */
---------------
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