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Made handle_events a polling function to allow button scanning

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@146 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-04-19 14:02:23 +00:00
parent f9429cc11b
commit 5d4094fc98
2 changed files with 70 additions and 69 deletions
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135
uisimulator/screenhack.c
View file

@ -91,6 +91,8 @@ static char *default_defaults[] = {
0
};
extern Display* dpy;
static XrmOptionDescRec *merged_options;
static int merged_options_size;
static char **merged_defaults;
@ -179,83 +181,82 @@ static Atom XA_WM_PROTOCOLS, XA_WM_DELETE_WINDOW;
/* Dead-trivial event handling: exits if "q" or "ESC" are typed.
Exit if the WM_PROTOCOLS WM_DELETE_WINDOW ClientMessage is received.
*/
void
int
screenhack_handle_event (Display *dpy, XEvent *event)
{
switch (event->xany.type)
int key=0;
switch (event->xany.type)
{
case KeyPress:
{
KeySym keysym;
unsigned char c = 0;
XLookupString (&event->xkey, &c, 1, &keysym, 0);
if (c == 'q' ||
c == 'Q' ||
c == 3 || /* ^C */
c == 27) /* ESC */
exit (0);
else if (! (keysym >= XK_Shift_L && keysym <= XK_Hyper_R))
XBell (dpy, 0); /* beep for non-chord keys */
fprintf(stderr, "KEY PRESSED: %c (%02x)\n", c, c);
}
break;
case ResizeRequest:
screen_resized(event->xresizerequest.width, event->xresizerequest.height);
screen_redraw();
fprintf(stderr, "WINDOW RESIZED to width %d height %d\n",
event->xresizerequest.width, event->xresizerequest.height);
break;
default:
fprintf(stderr, "EVENT: %d (see /usr/include/X11/X.h)\n",
event->xany.type);
break;
case Expose:
screen_redraw();
fprintf(stderr, "EXPOSE: x: %d y: %d width: %d height: %d\n",
event->xexpose.x, event->xexpose.y,
event->xexpose.width, event->xexpose.height);
break;
case ButtonPress:
fprintf(stderr, "BUTTON PRESSED\n");
break;
case ClientMessage:
{
if (event->xclient.message_type != XA_WM_PROTOCOLS)
{
char *s = XGetAtomName(dpy, event->xclient.message_type);
if (!s) s = "(null)";
fprintf (stderr, "%s: unknown ClientMessage %s received!\n",
progname, s);
}
else if (event->xclient.data.l[0] != XA_WM_DELETE_WINDOW)
{
char *s1 = XGetAtomName(dpy, event->xclient.message_type);
char *s2 = XGetAtomName(dpy, event->xclient.data.l[0]);
if (!s1) s1 = "(null)";
if (!s2) s2 = "(null)";
fprintf (stderr, "%s: unknown ClientMessage %s[%s] received!\n",
progname, s1, s2);
}
else
{
exit (0);
}
}
break;
case KeyPress:
{
KeySym keysym;
unsigned char c = 0;
XLookupString (&event->xkey, &c, 1, &keysym, 0);
if (! (keysym >= XK_Shift_L && keysym <= XK_Hyper_R))
XBell (dpy, 0); /* beep for non-chord keys */
key = keysym;
fprintf(stderr, "KEY PRESSED: %c (%02x)\n", c, c);
}
break;
case ResizeRequest:
screen_resized(event->xresizerequest.width, event->xresizerequest.height);
screen_redraw();
fprintf(stderr, "WINDOW RESIZED to width %d height %d\n",
event->xresizerequest.width, event->xresizerequest.height);
break;
default:
fprintf(stderr, "EVENT: %d (see /usr/include/X11/X.h)\n",
event->xany.type);
break;
case Expose:
screen_redraw();
fprintf(stderr, "EXPOSE: x: %d y: %d width: %d height: %d\n",
event->xexpose.x, event->xexpose.y,
event->xexpose.width, event->xexpose.height);
break;
case ButtonPress:
fprintf(stderr, "BUTTON PRESSED\n");
break;
case ClientMessage:
{
if (event->xclient.message_type != XA_WM_PROTOCOLS)
{
char *s = XGetAtomName(dpy, event->xclient.message_type);
if (!s) s = "(null)";
fprintf (stderr, "%s: unknown ClientMessage %s received!\n",
progname, s);
}
else if (event->xclient.data.l[0] != XA_WM_DELETE_WINDOW)
{
char *s1 = XGetAtomName(dpy, event->xclient.message_type);
char *s2 = XGetAtomName(dpy, event->xclient.data.l[0]);
if (!s1) s1 = "(null)";
if (!s2) s2 = "(null)";
fprintf (stderr, "%s: unknown ClientMessage %s[%s] received!\n",
progname, s1, s2);
}
else
{
exit (0);
}
}
break;
}
return key;
}
void
screenhack_handle_events (Display *dpy)
int
screenhack_handle_events (void)
{
while (XPending (dpy))
int key=0;
while (XPending (dpy))
{
XEvent event;
XNextEvent (dpy, &event);
screenhack_handle_event (dpy, &event);
XEvent event;
XNextEvent (dpy, &event);
key=screenhack_handle_event (dpy, &event);
}
return key;
}

4
uisimulator/screenhack.h
View file

@ -89,8 +89,8 @@ extern XrmOptionDescRec options [];
extern char *defaults [];
extern void screenhack (Display*,Window);
extern void screenhack_handle_event (Display*, XEvent*);
extern void screenhack_handle_events (Display*);
extern int screenhack_handle_event (Display*, XEvent*);
extern int screenhack_handle_events (void);
extern void screen_redraw();
extern void screen_resized();