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Read all pending X11 events during input handling

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This commit is contained in:
Iwan Timmer 2017-06-04 14:48:26 +02:00
parent f79a99bc05
commit 697bee2954
1 changed files with 64 additions and 65 deletions
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129
src/input/x11.c
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@ -46,86 +46,85 @@ static Cursor cursor;
static bool grabbed = True; static bool grabbed = True;
static int x11_handler(int fd) { static int x11_handler(int fd) {
if (!XPending(display))
return LOOP_OK;
XEvent event; XEvent event;
int button = 0; int button = 0;
int motion_x, motion_y; int motion_x, motion_y;
XNextEvent(display, &event); while (XPending(display)) {
switch (event.type) { XNextEvent(display, &event);
case KeyPress: switch (event.type) {
case KeyRelease: case KeyPress:
if (event.xkey.keycode >= 8 && event.xkey.keycode < (sizeof(keyCodes)/sizeof(keyCodes[0]) + 8)) { case KeyRelease:
if ((keyboard_modifiers & MODIFIERS) == MODIFIERS && event.type == KeyRelease) { if (event.xkey.keycode >= 8 && event.xkey.keycode < (sizeof(keyCodes)/sizeof(keyCodes[0]) + 8)) {
grabbed = !grabbed; if ((keyboard_modifiers & MODIFIERS) == MODIFIERS && event.type == KeyRelease) {
XDefineCursor(display, window, grabbed ? cursor : 0); grabbed = !grabbed;
} XDefineCursor(display, window, grabbed ? cursor : 0);
}
int modifier = 0; int modifier = 0;
switch (event.xkey.keycode) { switch (event.xkey.keycode) {
case 0x32: case 0x32:
case 0x3e: case 0x3e:
modifier = MODIFIER_SHIFT; modifier = MODIFIER_SHIFT;
break;
case 0x40:
case 0x6c:
modifier = MODIFIER_ALT;
break;
case 0x25:
case 0x69:
modifier = MODIFIER_CTRL;
break;
}
if (modifier != 0) {
if (event.type == KeyPress)
keyboard_modifiers |= modifier;
else
keyboard_modifiers &= ~modifier;
}
short code = 0x80 << 8 | keyCodes[event.xkey.keycode - 8];
LiSendKeyboardEvent(code, event.type == KeyPress ? KEY_ACTION_DOWN : KEY_ACTION_UP, keyboard_modifiers);
}
break;
case ButtonPress:
case ButtonRelease:
switch (event.xbutton.button) {
case Button1:
button = BUTTON_LEFT;
break; break;
case 0x40: case Button2:
case 0x6c: button = BUTTON_MIDDLE;
modifier = MODIFIER_ALT;
break; break;
case 0x25: case Button3:
case 0x69: button = BUTTON_RIGHT;
modifier = MODIFIER_CTRL;
break; break;
} }
if (modifier != 0) { if (button != 0)
if (event.type == KeyPress) LiSendMouseButtonEvent(event.type==ButtonPress ? BUTTON_ACTION_PRESS : BUTTON_ACTION_RELEASE, button);
keyboard_modifiers |= modifier; break;
else case MotionNotify:
keyboard_modifiers &= ~modifier; motion_x = event.xmotion.x - last_x;
motion_y = event.xmotion.y - last_y;
if (abs(motion_x) > 0 || abs(motion_y) > 0) {
if (last_x >= 0 && last_y >= 0)
LiSendMouseMoveEvent(motion_x, motion_y);
if (grabbed)
XWarpPointer(display, None, window, 0, 0, 0, 0, 640, 360);
} }
short code = 0x80 << 8 | keyCodes[event.xkey.keycode - 8]; last_x = grabbed ? 640 : event.xmotion.x;
LiSendKeyboardEvent(code, event.type == KeyPress ? KEY_ACTION_DOWN : KEY_ACTION_UP, keyboard_modifiers); last_y = grabbed ? 360 : event.xmotion.y;
}
break;
case ButtonPress:
case ButtonRelease:
switch (event.xbutton.button) {
case Button1:
button = BUTTON_LEFT;
break; break;
case Button2: case ClientMessage:
button = BUTTON_MIDDLE; if (event.xclient.data.l[0] == wm_deletemessage)
break; return LOOP_RETURN;
case Button3:
button = BUTTON_RIGHT;
break; break;
} }
if (button != 0)
LiSendMouseButtonEvent(event.type==ButtonPress ? BUTTON_ACTION_PRESS : BUTTON_ACTION_RELEASE, button);
break;
case MotionNotify:
motion_x = event.xmotion.x - last_x;
motion_y = event.xmotion.y - last_y;
if (abs(motion_x) > 0 || abs(motion_y) > 0) {
if (last_x >= 0 && last_y >= 0)
LiSendMouseMoveEvent(motion_x, motion_y);
if (grabbed)
XWarpPointer(display, None, window, 0, 0, 0, 0, 640, 360);
}
last_x = grabbed ? 640 : event.xmotion.x;
last_y = grabbed ? 360 : event.xmotion.y;
break;
case ClientMessage:
if (event.xclient.data.l[0] == wm_deletemessage)
return LOOP_RETURN;
break;
} }
return LOOP_OK; return LOOP_OK;