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More robust key handling

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Bert 2011-01-21 10:30:10 +01:00
parent 9dc46c1d81
commit 2d5247af4a
1 changed files with 27 additions and 10 deletions
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37
main.c
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@ -20,6 +20,7 @@
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include "sxiv.h"
@ -112,44 +113,60 @@ void cleanup() {
}
void on_keypress(XEvent *ev) {
char key;
int len;
KeySym keysym;
if (!ev)
return;
keysym = XLookupKeysym(&ev->xkey, 0);
len = XLookupString(&ev->xkey, &key, 1, &keysym, NULL);
switch (keysym) {
case XK_Escape:
cleanup();
exit(1);
case XK_q:
exit(2);
case XK_space:
key = 'n';
len = 1;
break;
case XK_BackSpace:
key = 'p';
len = 1;
break;
}
if (!len)
return;
printf("%c\n", key);
switch (key) {
case 'q':
cleanup();
exit(0);
case XK_n:
case XK_space:
case 'n':
if (fileidx + 1 < filecnt) {
img_load(&img, filenames[++fileidx]);
img_display(&img, &win);
update_title();
}
break;
case XK_p:
case XK_BackSpace:
case 'p':
if (fileidx > 0) {
img_load(&img, filenames[--fileidx]);
img_display(&img, &win);
update_title();
}
break;
case XK_plus:
case XK_equal:
case '+':
case '=':
if (img_zoom_in(&img)) {
img_render(&img, &win);
update_title();
}
break;
case XK_minus:
case '-':
if (img_zoom_out(&img)) {
img_render(&img, &win);
update_title();