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Implement xdg-decoration protocol 

Applications like alacritty which use this newer protocol will no longer
attempt to draw their own decoration.
This commit is contained in:
Devin J. Pohly 2020-06-04 23:36:04 -05:00
parent 5991cec0ff
commit 2598100d53
1 changed files with 48 additions and 0 deletions
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48
dwl.c
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@ -27,6 +27,7 @@
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
@ -74,6 +75,11 @@ typedef struct {
int isfloating;
} Client;
typedef struct {
struct wl_listener request_mode;
struct wl_listener destroy;
} Decoration;
typedef struct {
uint32_t mod;
xkb_keysym_t keysym;
@ -144,12 +150,15 @@ static void createkeyboard(struct wlr_input_device *device);
static void createmon(struct wl_listener *listener, void *data);
static void createnotify(struct wl_listener *listener, void *data);
static void createpointer(struct wlr_input_device *device);
static void createxdeco(struct wl_listener *listener, void *data);
static void cursorframe(struct wl_listener *listener, void *data);
static void destroynotify(struct wl_listener *listener, void *data);
static void destroyxdeco(struct wl_listener *listener, void *data);
static Monitor *dirtomon(int dir);
static void focusclient(Client *c, struct wlr_surface *surface, int lift);
static void focusmon(const Arg *arg);
static void focusstack(const Arg *arg);
static void getxdecomode(struct wl_listener *listener, void *data);
static void incnmaster(const Arg *arg);
static void inputdevice(struct wl_listener *listener, void *data);
static int keybinding(uint32_t mods, xkb_keysym_t sym);
@ -201,6 +210,7 @@ static struct wlr_xdg_shell *xdg_shell;
static struct wl_list clients; /* tiling order */
static struct wl_list fstack; /* focus order */
static struct wl_list stack; /* stacking z-order */
static struct wlr_xdg_decoration_manager_v1 *xdeco_mgr;
static struct wlr_cursor *cursor;
static struct wlr_xcursor_manager *cursor_mgr;
@ -224,6 +234,7 @@ static struct wl_listener cursor_motion = {.notify = motionrelative};
static struct wl_listener cursor_motion_absolute = {.notify = motionabsolute};
static struct wl_listener new_input = {.notify = inputdevice};
static struct wl_listener new_output = {.notify = createmon};
static struct wl_listener new_xdeco = {.notify = createxdeco};
static struct wl_listener new_xdg_surface = {.notify = createnotify};
static struct wl_listener request_cursor = {.notify = setcursor};
static struct wl_listener request_set_psel = {.notify = setpsel};
@ -485,6 +496,20 @@ createpointer(struct wlr_input_device *device)
wlr_cursor_attach_input_device(cursor, device);
}
void
createxdeco(struct wl_listener *listener, void *data)
{
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
Decoration *d;
d = wlr_deco->data = calloc(1, sizeof(*d));
wl_signal_add(&wlr_deco->events.request_mode, &d->request_mode);
d->request_mode.notify = getxdecomode;
wl_signal_add(&wlr_deco->events.destroy, &d->destroy);
d->destroy.notify = destroyxdeco;
}
void
cursorframe(struct wl_listener *listener, void *data)
{
@ -507,6 +532,17 @@ destroynotify(struct wl_listener *listener, void *data)
free(c);
}
void
destroyxdeco(struct wl_listener *listener, void *data)
{
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
Decoration *d = wlr_deco->data;
wl_list_remove(&d->destroy.link);
wl_list_remove(&d->request_mode.link);
free(d);
}
Monitor *
dirtomon(int dir)
{
@ -614,6 +650,14 @@ focusstack(const Arg *arg)
focusclient(c, NULL, 1);
}
void
getxdecomode(struct wl_listener *listener, void *data)
{
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
wlr_xdg_toplevel_decoration_v1_set_mode(wlr_deco,
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
void
incnmaster(const Arg *arg)
{
@ -1254,6 +1298,10 @@ setup(void)
xdg_shell = wlr_xdg_shell_create(dpy);
wl_signal_add(&xdg_shell->events.new_surface, &new_xdg_surface);
/* Use xdg_decoration protocol to negotiate server-side decorations */
xdeco_mgr = wlr_xdg_decoration_manager_v1_create(dpy);
wl_signal_add(&xdeco_mgr->events.new_toplevel_decoration, &new_xdeco);
/*
* Creates a cursor, which is a wlroots utility for tracking the cursor
* image shown on screen.