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app: [Wayland] use HiDPI cursor on HiDPI screen

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This commit scales both the loaded cursor theme and the cursor
surface appropriately so that the cursor image is not blurry on
HiDPI screens.

References: https://todo.sr.ht/~eliasnaur/gio/382
Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
This commit is contained in:
Chris Waldon
2022-06-23 17:16:20 -04:00
committed by Elias Naur
parent 3f38e67ce0
commit 414a91c49e
1 changed files with 2 additions and 1 deletions
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app/os_wayland.go
+2 -1
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@@ -374,7 +374,7 @@ func (d *wlDisplay) createNativeWindow(options []Option) (*window, error) {
w.destroy()
return nil, errors.New("wayland: xdg_surface_get_toplevel failed")
}
w.cursor.theme = C.wl_cursor_theme_load(nil, 32, d.shm)
w.cursor.theme = C.wl_cursor_theme_load(nil, C.int(32*w.scale), d.shm)
if w.cursor.theme == nil {
w.destroy()
return nil, errors.New("wayland: wl_cursor_theme_load failed")
@@ -390,6 +390,7 @@ func (d *wlDisplay) createNativeWindow(options []Option) (*window, error) {
w.destroy()
return nil, errors.New("wayland: wl_compositor_create_surface failed")
}
C.wl_surface_set_buffer_scale(w.cursor.surf, C.int32_t(w.scale))
C.xdg_wm_base_add_listener(d.wm, &C.gio_xdg_wm_base_listener, unsafe.Pointer(w.surf))
C.wl_surface_add_listener(w.surf, &C.gio_surface_listener, unsafe.Pointer(w.surf))
C.xdg_surface_add_listener(w.wmSurf, &C.gio_xdg_surface_listener, unsafe.Pointer(w.surf))