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bar: log X(cb) errors

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This commit is contained in:
Daniel Eklöf 2019-01-15 19:17:22 +01:00
parent 33d811ae78
commit b62e66ccb6
2 changed files with 24 additions and 1 deletions
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2
CMakeLists.txt
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@ -23,7 +23,7 @@ set(CMAKE_C_FLAGS "-Wall -Werror ${CMAKE_C_FLAGS}")
find_package(Threads REQUIRED)
find_package(PkgConfig REQUIRED)
pkg_check_modules(XCB REQUIRED xcb xcb-randr xcb-render xcb-cursor)
pkg_check_modules(XCB REQUIRED xcb xcb-errors xcb-randr xcb-render xcb-cursor)
pkg_check_modules(FONTCONFIG REQUIRED fontconfig)
pkg_check_modules(CAIRO REQUIRED cairo cairo-xcb cairo-ft)
pkg_check_modules(YAML REQUIRED yaml-0.1)

23
bar.c
View file

@ -18,6 +18,7 @@
#include <xcb/xcb_cursor.h>
#include <xcb/xcb_event.h>
#include <xcb/xcb_ewmh.h>
#include <xcb/xcb_errors.h>
#include <cairo.h>
#include <cairo-xcb.h>
@ -554,6 +555,9 @@ run(struct bar_run_context *run_ctx)
LOG_DBG("all modules started");
xcb_errors_context_t *err_context;
xcb_errors_context_new(bar->conn, &err_context);
int fd = xcb_get_file_descriptor(bar->conn);
while (true) {
@ -578,6 +582,24 @@ run(struct bar_run_context *run_ctx)
e = xcb_poll_for_event(bar->conn))
{
switch (XCB_EVENT_RESPONSE_TYPE(e)) {
case 0: {
const xcb_value_error_t *error = (void *)e;
const char *major = xcb_errors_get_name_for_major_code(
err_context, error->major_opcode);
const char *minor = xcb_errors_get_name_for_minor_code(
err_context, error->major_opcode, error->minor_opcode);
const char *extension;
const char *name = xcb_errors_get_name_for_error(
err_context, error->error_code, &extension);
LOG_ERR("XCB error: %s (%s), code %s (%s), sequence %u, value %u",
major, minor != NULL ? minor : "no minor",
name, extension != NULL ? extension : "no extension",
error->sequence, error->bad_value);
break;
}
case XCB_EXPOSE:
expose(_bar);
break;
@ -683,6 +705,7 @@ run(struct bar_run_context *run_ctx)
bar->cursor_name = NULL;
}
xcb_errors_context_free(err_context);
xcb_free_gc(bar->conn, bar->gc);
xcb_free_pixmap(bar->conn, bar->pixmap);
xcb_destroy_window(bar->conn, bar->win);