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authorScott Anderson <ascent12@hotmail.com>2018-03-06 19:57:39 +1300
committerScott Anderson <ascent12@hotmail.com>2018-03-06 21:15:47 +1300
commit902d6cc240c5ecb5a19cf67173b968bfed34c565 (patch)
treeec40969502748a0ae39e32b574c5053ab1b39a52 /backend/x11
parentc986cc24a9bd6f09acb99c1ae4f3b95dc7c560c5 (diff)
Use xcb atoms properly
Diffstat (limited to 'backend/x11')
-rw-r--r--backend/x11/backend.c73
1 files changed, 53 insertions, 20 deletions
diff --git a/backend/x11/backend.c b/backend/x11/backend.c
index 8633ece3..87ba1570 100644
--- a/backend/x11/backend.c
+++ b/backend/x11/backend.c
@@ -15,7 +15,6 @@
#include <wlr/render/gles2.h>
#include <wlr/util/log.h>
#include <X11/Xlib-xcb.h>
-#include <xcb/glx.h>
#include <xcb/xcb.h>
#ifdef __linux__
#include <linux/input-event-codes.h>
@@ -25,6 +24,8 @@
#include "backend/x11.h"
#include "util/signal.h"
+#define XCB_EVENT_RESPONSE_TYPE_MASK 0x7f
+
static struct wlr_backend_impl backend_impl;
static struct wlr_output_impl output_impl;
static struct wlr_input_device_impl input_device_impl = { 0 };
@@ -44,7 +45,7 @@ static uint32_t xcb_button_to_wl(uint32_t button) {
static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *event) {
struct wlr_x11_output *output = &x11->output;
- switch (event->response_type) {
+ switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) {
case XCB_EXPOSE: {
wlr_output_send_frame(&output->wlr_output);
break;
@@ -144,9 +145,14 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs);
break;
}
- case XCB_GLX_DELETE_QUERIES_ARB: {
- wl_display_terminate(x11->wl_display);
- return true;
+ case XCB_CLIENT_MESSAGE: {
+ xcb_client_message_event_t *ev = (xcb_client_message_event_t *)event;
+
+ if (ev->data.data32[0] == x11->atoms.wm_delete_window) {
+ wl_display_terminate(x11->wl_display);
+ return true;
+ }
+
break;
}
default:
@@ -181,13 +187,6 @@ static int signal_frame(void *data) {
return 0;
}
-static void init_atom(struct wlr_x11_backend *x11, struct wlr_x11_atom *atom,
- uint8_t only_if_exists, const char *name) {
- atom->cookie = xcb_intern_atom(x11->xcb_conn, only_if_exists, strlen(name),
- name);
- atom->reply = xcb_intern_atom_reply(x11->xcb_conn, atom->cookie, NULL);
-}
-
static void parse_xcb_setup(struct wlr_output *output, xcb_connection_t *xcb_conn) {
const xcb_setup_t *xcb_setup = xcb_get_setup(xcb_conn);
@@ -231,20 +230,54 @@ static bool wlr_x11_backend_start(struct wlr_backend *backend) {
return false;
}
- init_atom(x11, &x11->atoms.wm_protocols, 1, "WM_PROTOCOLS");
- init_atom(x11, &x11->atoms.wm_delete_window, 0, "WM_DELETE_WINDOW");
- init_atom(x11, &x11->atoms.net_wm_name, 1, "_NET_WM_NAME");
- init_atom(x11, &x11->atoms.utf8_string, 0, "UTF8_STRING");
+ struct {
+ const char *name;
+ xcb_intern_atom_cookie_t cookie;
+ xcb_atom_t *atom;
+ } atom[] = {
+ {
+ .name = "WM_PROTOCOLS",
+ .atom = &x11->atoms.wm_protocols,
+ },
+ {
+ .name = "WM_DELETE_WINDOW",
+ .atom = &x11->atoms.wm_delete_window,
+ },
+ {
+ .name = "_NET_WM_NAME",
+ .atom = &x11->atoms.net_wm_name,
+ },
+ {
+ .name = "UTF8_STRING",
+ .atom = &x11->atoms.utf8_string,
+ },
+ };
+
+ for (size_t i = 0; i < sizeof(atom) / sizeof(atom[0]); ++i) {
+ atom[i].cookie = xcb_intern_atom(x11->xcb_conn,
+ true, strlen(atom[i].name), atom[i].name);
+ }
+
+ for (size_t i = 0; i < sizeof(atom) / sizeof(atom[0]); ++i) {
+ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(
+ x11->xcb_conn, atom[i].cookie, NULL);
+
+ if (reply) {
+ *atom[i].atom = reply->atom;
+ free(reply);
+ } else {
+ *atom[i].atom = XCB_ATOM_NONE;
+ }
+ }
xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win,
- x11->atoms.wm_protocols.reply->atom, XCB_ATOM_ATOM, 32, 1,
- &x11->atoms.wm_delete_window.reply->atom);
+ x11->atoms.wm_protocols, XCB_ATOM_ATOM, 32, 1,
+ &x11->atoms.wm_delete_window);
char title[32];
if (snprintf(title, sizeof(title), "wlroots - %s", output->wlr_output.name)) {
xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win,
- x11->atoms.net_wm_name.reply->atom,
- x11->atoms.utf8_string.reply->atom, 8,
+ x11->atoms.net_wm_name, x11->atoms.utf8_string, 8,
strlen(title), title);
}