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Nix: fix hidpi patch

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This commit is contained in:
Mihai Fufezan 2023-03-04 01:41:37 +02:00 committed by Mihai Fufezan
parent c444099325
commit c386c52cf9
3 changed files with 178 additions and 5 deletions
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11
flake.nix
View file

@ -47,6 +47,17 @@
sha256 = "sha256-/q79o13Zvu7x02SBGu0W5yQznQ+p7ltZ9L6cMW5t/o4=";
};
});
libliftoff = prev.libliftoff.overrideAttrs (old: {
version = "0.5.0-dev";
src = prev.fetchFromGitLab {
domain = "gitlab.freedesktop.org";
owner = "emersion";
repo = old.pname;
rev = "d98ae243280074b0ba44bff92215ae8d785658c0";
sha256 = "sha256-DjwlS8rXE7srs7A8+tHqXyUsFGtucYSeq6X0T/pVOc8=";
};
});
})
];
});

164
nix/wlroots-hidpi.patch Normal file
View file

@ -0,0 +1,164 @@
diff --git a/include/xwayland/xwm.h b/include/xwayland/xwm.h
index c69504e8..40d8de8c 100644
--- a/include/xwayland/xwm.h
+++ b/include/xwayland/xwm.h
@@ -88,6 +88,7 @@ enum atom_name {
DND_ACTION_PRIVATE,
NET_CLIENT_LIST,
NET_CLIENT_LIST_STACKING,
+ XWAYLAND_GLOBAL_OUTPUT_SCALE,
ATOM_LAST // keep last
};
@@ -98,6 +99,7 @@ struct wlr_xwm {
struct wl_event_source *event_source;
struct wlr_seat *seat;
uint32_t ping_timeout;
+ uint32_t scale;
xcb_atom_t atoms[ATOM_LAST];
xcb_connection_t *xcb_conn;
diff --git a/xwayland/xwm.c b/xwayland/xwm.c
index 5a36dc21..83981a87 100644
--- a/xwayland/xwm.c
+++ b/xwayland/xwm.c
@@ -19,6 +19,14 @@
#include <xcb/xfixes.h>
#include "xwayland/xwm.h"
+static int32_t scale(struct wlr_xwm *xwm, uint32_t val) {
+ return val * xwm->scale;
+}
+
+static int32_t unscale(struct wlr_xwm *xwm, uint32_t val) {
+ return (val + xwm->scale/2) / xwm->scale;
+}
+
const char *const atom_map[ATOM_LAST] = {
[WL_SURFACE_ID] = "WL_SURFACE_ID",
[WL_SURFACE_SERIAL] = "WL_SURFACE_SERIAL",
@@ -90,6 +98,7 @@ const char *const atom_map[ATOM_LAST] = {
[DND_ACTION_PRIVATE] = "XdndActionPrivate",
[NET_CLIENT_LIST] = "_NET_CLIENT_LIST",
[NET_CLIENT_LIST_STACKING] = "_NET_CLIENT_LIST_STACKING",
+ [XWAYLAND_GLOBAL_OUTPUT_SCALE] = "_XWAYLAND_GLOBAL_OUTPUT_SCALE",
};
#define STARTUP_INFO_REMOVE_PREFIX "remove: ID="
@@ -968,8 +977,8 @@ static void xwm_handle_create_notify(struct wlr_xwm *xwm,
return;
}
- xwayland_surface_create(xwm, ev->window, ev->x, ev->y,
- ev->width, ev->height, ev->override_redirect);
+ xwayland_surface_create(xwm, ev->window, unscale(xwm, ev->x), unscale(xwm, ev->y),
+ unscale(xwm, ev->width), unscale(xwm, ev->height), ev->override_redirect);
}
static void xwm_handle_destroy_notify(struct wlr_xwm *xwm,
@@ -1000,10 +1009,10 @@ static void xwm_handle_configure_request(struct wlr_xwm *xwm,
struct wlr_xwayland_surface_configure_event wlr_event = {
.surface = surface,
- .x = mask & XCB_CONFIG_WINDOW_X ? ev->x : surface->x,
- .y = mask & XCB_CONFIG_WINDOW_Y ? ev->y : surface->y,
- .width = mask & XCB_CONFIG_WINDOW_WIDTH ? ev->width : surface->width,
- .height = mask & XCB_CONFIG_WINDOW_HEIGHT ? ev->height : surface->height,
+ .x = mask & XCB_CONFIG_WINDOW_X ? unscale(xwm, ev->x) : surface->x,
+ .y = mask & XCB_CONFIG_WINDOW_Y ? unscale(xwm, ev->y) : surface->y,
+ .width = mask & XCB_CONFIG_WINDOW_WIDTH ? unscale(xwm, ev->width) : surface->width,
+ .height = mask & XCB_CONFIG_WINDOW_HEIGHT ? unscale(xwm, ev->height) : surface->height,
.mask = mask,
};
@@ -1018,14 +1027,14 @@ static void xwm_handle_configure_notify(struct wlr_xwm *xwm,
}
bool geometry_changed =
- (xsurface->x != ev->x || xsurface->y != ev->y ||
- xsurface->width != ev->width || xsurface->height != ev->height);
+ (xsurface->x != unscale(xwm, ev->x) || xsurface->y != unscale(xwm, ev->y) ||
+ xsurface->width != unscale(xwm, ev->width) || xsurface->height != unscale(xwm, ev->height));
if (geometry_changed) {
- xsurface->x = ev->x;
- xsurface->y = ev->y;
- xsurface->width = ev->width;
- xsurface->height = ev->height;
+ xsurface->x = unscale(xwm, ev->x);
+ xsurface->y = unscale(xwm, ev->y);
+ xsurface->width = unscale(xwm, ev->width);
+ xsurface->height = unscale(xwm, ev->height);
}
if (xsurface->override_redirect != ev->override_redirect) {
@@ -1136,6 +1145,20 @@ static void xwm_handle_property_notify(struct wlr_xwm *xwm,
xcb_property_notify_event_t *ev) {
struct wlr_xwayland_surface *xsurface = lookup_surface(xwm, ev->window);
if (xsurface == NULL) {
+ if (ev->atom == xwm->atoms[XWAYLAND_GLOBAL_OUTPUT_SCALE]) {
+ xcb_get_property_cookie_t cookie = xcb_get_property(xwm->xcb_conn, 0,
+ ev->window, ev->atom, XCB_ATOM_ANY, 0, 2048);
+ xcb_get_property_reply_t *reply = xcb_get_property_reply(xwm->xcb_conn,
+ cookie, NULL);
+ if (reply == NULL) {
+ return;
+ }
+ if (reply->type == XCB_ATOM_CARDINAL) {
+ xwm->scale = *(uint32_t*)xcb_get_property_value(reply);
+ }
+ free(reply);
+ }
+
return;
}
@@ -1763,16 +1786,17 @@ void wlr_xwayland_surface_configure(struct wlr_xwayland_surface *xsurface,
int old_w = xsurface->width;
int old_h = xsurface->height;
+ struct wlr_xwm *xwm = xsurface->xwm;
+
xsurface->x = x;
xsurface->y = y;
xsurface->width = width;
xsurface->height = height;
- struct wlr_xwm *xwm = xsurface->xwm;
uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
XCB_CONFIG_WINDOW_BORDER_WIDTH;
- uint32_t values[] = {x, y, width, height, 0};
+ uint32_t values[] = {scale(xwm, x), scale(xwm, y), scale(xwm, width), scale(xwm, height), 0};
xcb_configure_window(xwm->xcb_conn, xsurface->window_id, mask, values);
// If the window size did not change, then we cannot rely on
@@ -1780,15 +1804,15 @@ void wlr_xwayland_surface_configure(struct wlr_xwayland_surface *xsurface,
// we are supposed to send a synthetic event. See ICCCM part
// 4.1.5. But we ignore override-redirect windows as ICCCM does
// not apply to them.
- if (width == old_w && height == old_h && !xsurface->override_redirect) {
+ if (scale(xwm, width) == scale(xwm, old_w) && scale(xwm, height) == scale(xwm, old_h) && !xsurface->override_redirect) {
xcb_configure_notify_event_t configure_notify = {
.response_type = XCB_CONFIGURE_NOTIFY,
.event = xsurface->window_id,
.window = xsurface->window_id,
- .x = x,
- .y = y,
- .width = width,
- .height = height,
+ .x = scale(xwm, x),
+ .y = scale(xwm, y),
+ .width = scale(xwm, width),
+ .height = scale(xwm, height),
};
xcb_send_event(xwm->xcb_conn, 0, xsurface->window_id,
@@ -2125,6 +2149,7 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *xwayland, int wm_fd) {
wl_list_init(&xwm->pending_startup_ids);
xwm->ping_timeout = 10000;
+ xwm->scale = 1;
xwm->xcb_conn = xcb_connect_to_fd(wm_fd, NULL);
int rc = xcb_connection_has_error(xwm->xcb_conn);

8
nix/wlroots.nix
View file

@ -9,7 +9,7 @@
hwdata,
libliftoff,
libdisplay-info,
hidpiXWayland ? false,
hidpiXWayland ? true,
enableXWayland ? true,
nvidiaPatches ? false,
}:
@ -35,10 +35,8 @@ assert (lib.assertMsg (hidpiXWayland -> enableXWayland) ''
patches =
(old.patches or [])
++ (lib.optionals (enableXWayland && hidpiXWayland) [
(fetchpatch {
url = "https://gitlab.freedesktop.org/lilydjwg/wlroots/-/commit/6c5ffcd1fee9e44780a6a8792f74ecfbe24a1ca7.diff";
sha256 = "sha256-Eo1pTa/PIiJsRZwIUnHGTIFFIedzODVf0ZeuXb0a3TQ=";
})
# adapted from https://gitlab.freedesktop.org/lilydjwg/wlroots/-/commit/6c5ffcd1fee9e44780a6a8792f74ecfbe24a1ca7
./wlroots-hidpi.patch
(fetchpatch {
url = "https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/18595000f3a21502fd60bf213122859cc348f9af.diff";
sha256 = "sha256-jvfkAMh3gzkfuoRhB4E9T5X1Hu62wgUjj4tZkJm0mrI=";