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X11: Improve handling of multiple keyboards

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Now pressing a modifier key in one keyboard and a normal key in another works. Fixes #2362

Don't rebuild keymaps on new keyboard events that only change geometry. Fixes #2787

Better handling of multiple keyboards with incompatible layouts (this is for free from the above fixes). Fixes #2726
This commit is contained in:
Kovid Goyal 2020-06-24 12:05:30 +05:30
parent 50414b333a
commit fbd0e8e26a
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3 changed files with 49 additions and 26 deletions
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9
docs/changelog.rst
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@ -4,6 +4,15 @@ Changelog
|kitty| is a feature full, cross-platform, *fast*, GPU based terminal emulator.
To update |kitty|, :doc:`follow the instructions <binary>`.
0.18.2 [future]
--------------------
- X11: Improve handling of multiple keyboards. Now pressing a modifier key in
one keyboard and a normal key in another works (:iss:`2362`). Don't rebuild
keymaps on new keyboard events that only change geometry (:iss:`2787`).
Better handling of multiple keyboards with incompatible layouts (:iss:`2726`)
0.18.1 [2020-06-23]
--------------------

19
glfw/x11_window.c vendored
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@ -1176,15 +1176,26 @@ static void processEvent(XEvent *event)
else if (event->type == _glfw.x11.xkb.eventBase)
{
XkbEvent *kb_event = (XkbEvent*)event;
if (kb_event->any.device != (unsigned int)_glfw.x11.xkb.keyboard_device_id) return;
switch(kb_event->any.xkb_type) {
case XkbNewKeyboardNotify: {
int32_t old_id = _glfw.x11.xkb.keyboard_device_id;
if (!glfw_xkb_update_x11_keyboard_id(&_glfw.x11.xkb)) return;
if (old_id != _glfw.x11.xkb.keyboard_device_id) keymap_dirty = true;
XkbNewKeyboardNotifyEvent *newkb_event = (XkbNewKeyboardNotifyEvent*)kb_event;
if (_glfw.hints.init.debugKeyboard) printf(
"Got XkbNewKeyboardNotify event with changes: key codes: %d geometry: %d device id: %d\n",
!!(newkb_event->changed & XkbNKN_KeycodesMask), !!(newkb_event->changed & XkbNKN_GeometryMask),
!!(newkb_event->changed & XkbNKN_DeviceIDMask));
if (newkb_event->changed & XkbNKN_DeviceIDMask) {
keymap_dirty = true;
if (!glfw_xkb_update_x11_keyboard_id(&_glfw.x11.xkb)) return;
}
if (newkb_event->changed & XkbNKN_KeycodesMask) {
keymap_dirty = true;
}
return;
}
/* fallthrough */
case XkbMapNotify:
{
if (_glfw.hints.init.debugKeyboard) printf("Got XkbMapNotify event, keymaps will be reloaded\n");
keymap_dirty = true;
return;
}

47
glfw/xkb_glfw.c vendored
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@ -371,9 +371,31 @@ load_compose_tables(_GLFWXKBData *xkb) {
xkb_compose_table_unref(compose_table);
}
static inline xkb_mod_mask_t
active_unknown_modifiers(_GLFWXKBData *xkb, struct xkb_state *state) {
size_t i = 0;
xkb_mod_mask_t ans = 0;
while (xkb->unknownModifiers[i] != XKB_MOD_INVALID) {
if (xkb_state_mod_index_is_active(state, xkb->unknownModifiers[i], XKB_STATE_MODS_EFFECTIVE)) ans |= (1 << xkb->unknownModifiers[i]);
i++;
}
return ans;
}
static void
update_modifiers(_GLFWXKBData *xkb) {
XKBStateGroup *group = &xkb->states;
#define S(attr, name) if (xkb_state_mod_index_is_active(group->state, xkb->attr##Idx, XKB_STATE_MODS_EFFECTIVE)) group->modifiers |= GLFW_MOD_##name
S(control, CONTROL); S(alt, ALT); S(shift, SHIFT); S(super, SUPER); S(capsLock, CAPS_LOCK); S(numLock, NUM_LOCK);
#undef S
xkb->states.activeUnknownModifiers = active_unknown_modifiers(xkb, xkb->states.state);
}
bool
glfw_xkb_compile_keymap(_GLFWXKBData *xkb, const char *map_str) {
const char *err;
debug("Loading new XKB keymaps\n");
release_keyboard_data(xkb);
err = load_keymaps(xkb, map_str);
if (err) {
@ -396,36 +418,17 @@ glfw_xkb_compile_keymap(_GLFWXKBData *xkb, const char *map_str) {
S(capsLock, XKB_MOD_NAME_CAPS);
S(numLock, XKB_MOD_NAME_NUM);
#undef S
size_t capacity = sizeof(xkb->unknownModifiers)/sizeof(xkb->unknownModifiers[0]), j = 0;
size_t capacity = arraysz(xkb->unknownModifiers), j = 0;
for (xkb_mod_index_t i = 0; i < capacity; i++) xkb->unknownModifiers[i] = XKB_MOD_INVALID;
for (xkb_mod_index_t i = 0; i < xkb_keymap_num_mods(xkb->keymap) && j < capacity - 1; i++) {
if (i != xkb->controlIdx && i != xkb->altIdx && i != xkb->shiftIdx && i != xkb->superIdx && i != xkb->capsLockIdx && i != xkb->numLockIdx) xkb->unknownModifiers[j++] = i;
}
xkb->states.modifiers = 0;
xkb->states.activeUnknownModifiers = 0;
update_modifiers(xkb);
return true;
}
static inline xkb_mod_mask_t
active_unknown_modifiers(_GLFWXKBData *xkb, struct xkb_state *state) {
size_t i = 0;
xkb_mod_mask_t ans = 0;
while (xkb->unknownModifiers[i] != XKB_MOD_INVALID) {
if (xkb_state_mod_index_is_active(state, xkb->unknownModifiers[i], XKB_STATE_MODS_EFFECTIVE)) ans |= (1 << xkb->unknownModifiers[i]);
i++;
}
return ans;
}
static void
update_modifiers(_GLFWXKBData *xkb, XKBStateGroup *group) {
#define S(attr, name) if (xkb_state_mod_index_is_active(group->state, xkb->attr##Idx, XKB_STATE_MODS_EFFECTIVE)) group->modifiers |= GLFW_MOD_##name
S(control, CONTROL); S(alt, ALT); S(shift, SHIFT); S(super, SUPER); S(capsLock, CAPS_LOCK); S(numLock, NUM_LOCK);
#undef S
xkb->states.activeUnknownModifiers = active_unknown_modifiers(xkb, xkb->states.state);
}
void
glfw_xkb_update_modifiers(_GLFWXKBData *xkb, xkb_mod_mask_t depressed, xkb_mod_mask_t latched, xkb_mod_mask_t locked, xkb_layout_index_t base_group, xkb_layout_index_t latched_group, xkb_layout_index_t locked_group) {
if (!xkb->keymap) return;
@ -434,7 +437,7 @@ glfw_xkb_update_modifiers(_GLFWXKBData *xkb, xkb_mod_mask_t depressed, xkb_mod_m
// We have to update the groups in clean_state, as they change for
// different keyboard layouts, see https://github.com/kovidgoyal/kitty/issues/488
xkb_state_update_mask(xkb->states.clean_state, 0, 0, 0, base_group, latched_group, locked_group);
update_modifiers(xkb, &xkb->states);
update_modifiers(xkb);
}
bool