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Fix output and screen_num() in handle_events demo

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Output was incorrect, partly to stdout and stderr, resp.

As Manolo noted in fltk.general, Fl_Window::screen_num() is the
correct API to retrieve the screen number of a window rather than
Fl::screen_num(...).
This commit is contained in:
Albrecht Schlosser 2021-02-10 14:10:13 +01:00
parent 818a2ab838
commit 086396ca54
1 changed files with 9 additions and 8 deletions
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17
test/handle_events.cxx
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@ -13,7 +13,8 @@
//
// https://www.fltk.org/bugs.php
//
// compile as: fltk-config --compile handle_events.cxx
// compile standalone as: fltk-config --compile handle_events.cxx
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
@ -43,7 +44,7 @@ public:
eventnum++;
ex = Fl::event_x();
ey = Fl::event_y();
int screen_num = Fl::screen_num(x(), y(), w(), h());
int screen_num = Fl_Window::screen_num();
#if defined(FL_API_VERSION) && FL_API_VERSION >= 10400
int scale = int(Fl::screen_scale(screen_num) * 100. + 0.5);
#else
@ -63,15 +64,15 @@ int app::handle(int ev) {
int res = WINDOW_TYPE::handle(ev);
switch (ev) {
case FL_PUSH:
printf(", button %d down", Fl::event_button());
fprintf(stderr, ", button %d down", Fl::event_button());
res = 1;
break;
case FL_RELEASE:
printf(", button %d up", Fl::event_button());
fprintf(stderr, ", button %d up", Fl::event_button());
res = 1;
break;
case FL_MOUSEWHEEL:
printf(", dx = %d, dy = %d", Fl::event_dx(), Fl::event_dy());
fprintf(stderr, ", dx = %d, dy = %d", Fl::event_dx(), Fl::event_dy());
res = 1;
break;
case FL_ENTER:
@ -82,10 +83,10 @@ int app::handle(int ev) {
break;
case FL_KEYBOARD:
if (Fl::event_text()[0] >= 'a' && Fl::event_text()[0] <= 'z') {
printf(", Text = '%s'", Fl::event_text());
fprintf(stderr, ", Text = '%s'", Fl::event_text());
res = 1;
} else { // "ignore" everything else
printf(", ignored '%s'", Fl::event_text());
fprintf(stderr, ", ignored '%s'", Fl::event_text());
}
break;
case FL_KEYUP:
@ -98,7 +99,7 @@ int app::handle(int ev) {
default:
break;
}
printf("\n"); fflush(stdout);
fprintf(stderr, "\n"); fflush(stderr);
return res;
} /* end of handle() method */