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X11: properly ignore Shift/ctrl/alt/win keystrokes alone

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Thomas Bernard 2018-09-16 22:02:03 +02:00
parent de5877f54a
commit 2c9b1b7bb1
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1 changed files with 7 additions and 1 deletions
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8
src/input.c
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@ -1503,18 +1503,24 @@ int Get_input(int sleep_time)
// left alt = 8 Mod1Mask
// right alt = 80 Mod5Mask
// NumLock = 10 Mod2Mask
// see "modmap"
if (event.xkey.state & ShiftMask)
mod |= MOD_SHIFT;
if (event.xkey.state & ControlMask)
mod |= MOD_CTRL;
if (event.xkey.state & (Mod1Mask | Mod5Mask))
mod |= MOD_ALT;
if (event.xkey.state & Mod3Mask)
if (event.xkey.state & Mod4Mask)
mod |= MOD_META;
//sym = XKeycodeToKeysym(X11_display, event.xkey.keycode, 0);
sym = XkbKeycodeToKeysym(X11_display, event.xkey.keycode, 0, 0);
GFX2_Log(GFX2_DEBUG, "key code = %3d state=0x%08x sym = 0x%04lx %s\tmod=%04x\n",
event.xkey.keycode, event.xkey.state, sym, XKeysymToString(sym), mod);
if (sym == XK_Shift_L || sym == XK_Shift_R ||
sym == XK_Control_L || sym == XK_Control_R ||
sym == XK_Alt_L || sym == XK_Alt_R || sym == XK_ISO_Level3_Shift || // ALT GR
sym == XK_Super_L || sym == XK_Super_R)
break; // ignore shift/ctrl/alt/windows alone
Key = mod | (sym & 0x0fff);
//sym = XkbKeycodeToKeysym(X11_display, event.xkey.keycode, 0, event.xkey.state);
if (((sym & 0xf000) != 0xf000) || IsKeypadKey(sym)) // test for standard key or KeyPad