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Expose ICCCM input status 

In certain situations windows can have their input field set to false
but still expect to receive input focus by passively listening to key
presses via a parent window. The ICCCM specification outlines how focus
should be given to clients.

Further reading: https://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7

Relates to #2604
This commit is contained in:
BrassyPanache 2021-01-13 01:10:38 +11:00 committed by Simon Ser
parent f6fe439718
commit d6649a8a4b
2 changed files with 42 additions and 7 deletions
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17
include/wlr/xwayland.h
View File

@ -119,6 +119,18 @@ struct wlr_xwayland_surface_size_hints {
uint32_t win_gravity;
};
/**
* This represents the input focus described as follows:
*
* https://www.x.org/releases/X11R7.6/doc/xorg-docs/specs/ICCCM/icccm.html#input_focus
*/
enum wlr_xwayland_icccm_input_model {
WLR_ICCCM_INPUT_MODEL_NONE = 0,
WLR_ICCCM_INPUT_MODEL_PASSIVE = 1,
WLR_ICCCM_INPUT_MODEL_LOCAL = 2,
WLR_ICCCM_INPUT_MODEL_GLOBAL = 3,
};
/**
* An Xwayland user interface component. It has an absolute position in
* layout-local coordinates.
@ -303,7 +315,10 @@ void wlr_xwayland_surface_ping(struct wlr_xwayland_surface *surface);
* false if it should be ignored
*/
bool wlr_xwayland_or_surface_wants_focus(
const struct wlr_xwayland_surface *surface);
const struct wlr_xwayland_surface *xsurface);
enum wlr_xwayland_icccm_input_model wlr_xwayland_icccm_input_model(
const struct wlr_xwayland_surface *xsurface);
#endif

32
xwayland/xwm.c
View File

@ -579,6 +579,7 @@ static void read_surface_hints(struct wlr_xwm *xwm,
if (xsurface->hints == NULL) {
return;
}
memcpy(xsurface->hints, &hints, sizeof(struct wlr_xwayland_surface_hints));
xsurface->hints_urgency = xcb_icccm_wm_hints_get_urgency(&hints);
@ -1967,8 +1968,7 @@ void wlr_xwayland_surface_ping(struct wlr_xwayland_surface *surface) {
}
bool wlr_xwayland_or_surface_wants_focus(
const struct wlr_xwayland_surface *surface) {
bool ret = true;
const struct wlr_xwayland_surface *xsurface) {
static enum atom_name needles[] = {
NET_WM_WINDOW_TYPE_COMBO,
NET_WM_WINDOW_TYPE_DND,
@ -1980,12 +1980,32 @@ bool wlr_xwayland_or_surface_wants_focus(
NET_WM_WINDOW_TYPE_TOOLTIP,
NET_WM_WINDOW_TYPE_UTILITY,
};
for (size_t i = 0; i < sizeof(needles) / sizeof(needles[0]); ++i) {
if (xwm_atoms_contains(surface->xwm, surface->window_type,
surface->window_type_len, needles[i])) {
ret = false;
if (xwm_atoms_contains(xsurface->xwm, xsurface->window_type,
xsurface->window_type_len, needles[i])) {
return false;
}
}
return ret;
return true;
}
enum wlr_xwayland_icccm_input_model wlr_xwayland_icccm_input_model(
const struct wlr_xwayland_surface *xsurface) {
bool take_focus = xwm_atoms_contains(xsurface->xwm,
xsurface->protocols, xsurface->protocols_len,
WM_TAKE_FOCUS);
if (xsurface->hints && xsurface->hints->input) {
if (take_focus) {
return WLR_ICCCM_INPUT_MODEL_LOCAL;
}
return WLR_ICCCM_INPUT_MODEL_PASSIVE;
} else {
if (take_focus) {
return WLR_ICCCM_INPUT_MODEL_GLOBAL;
}
}
return WLR_ICCCM_INPUT_MODEL_NONE;
}