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bar: allow explicit backend selection

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This commit is contained in:
Daniel Eklöf 2019-05-11 10:43:14 +02:00
parent 586cb8a0dd
commit 473802cab8
3 changed files with 53 additions and 18 deletions
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66
bar/bar.c
View file

@ -368,6 +368,52 @@ destroy(struct bar *bar)
struct bar *
bar_new(const struct bar_config *config)
{
void *backend_data = NULL;
const struct backend *backend_iface = NULL;
switch (config->backend) {
case BAR_BACKEND_AUTO:
#if defined(ENABLE_X11) && !defined(ENABLE_WAYLAND)
backend_data = bar_backend_xcb_new();
backend_iface = &xcb_backend_iface;
#elif !defined(ENABLE_X11) && defined(ENABLE_WAYLAND)
backend_data = bar_backend_wayland_new();
backend_iface = &wayland_backend_iface;
#else
if (getenv("WAYLAND_DISPLAY") != NULL) {
backend_data = bar_backend_wayland_new();
backend_iface = &wayland_backend_iface;
} else {
backend_data = bar_backend_xcb_new();
backend_iface = &xcb_backend_iface;
}
#endif
break;
case BAR_BACKEND_XCB:
#if defined(ENABLE_X11)
backend_data = bar_backend_xcb_new();
backend_iface = &xcb_backend_iface;
#else
LOG_ERR("f00bar was compiled without the XCB backend");
return NULL;
#endif
break;
case BAR_BACKEND_WAYLAND:
#if defined(BAR_WAYLAND)
backend_data = bar_backend_wayland_new();
backend_iface = &wayland_backend_iface;
#else
LOG_ERR("f00bar was compiled without the Wayland backend");
return NULL;
#endif
break;
}
if (backend_data == NULL)
return NULL;
struct private *priv = calloc(1, sizeof(*priv));
priv->monitor = config->monitor != NULL ? strdup(config->monitor) : NULL;
priv->location = config->location;
@ -392,24 +438,8 @@ bar_new(const struct bar_config *config)
priv->left.count = config->left.count;
priv->center.count = config->center.count;
priv->right.count = config->right.count;
#if defined(ENABLE_X11) && !defined(ENABLE_WAYLAND)
priv->backend.data = bar_backend_xcb_new();
priv->backend.iface = &xcb_backend_iface;
#else
#if !defined(ENABLE_X11) && defined(ENABLE_WAYLAND)
priv->backend.data = bar_backend_wayland_new();
priv->backend.iface = &wayland_backend_iface;
#else
if (getenv("WAYLAND_DISPLAY") != NULL) {
priv->backend.data = bar_backend_wayland_new();
priv->backend.iface = &wayland_backend_iface;
} else {
priv->backend.data = bar_backend_xcb_new();
priv->backend.iface = &xcb_backend_iface;
}
#endif
#endif
priv->backend.data = backend_data;
priv->backend.iface = backend_iface;
for (size_t i = 0; i < priv->left.count; i++)
priv->left.mods[i] = config->left.mods[i];

3
bar/bar.h
View file

@ -15,8 +15,11 @@ struct bar {
};
enum bar_location { BAR_TOP, BAR_BOTTOM };
enum bar_backend { BAR_BACKEND_AUTO, BAR_BACKEND_XCB, BAR_BACKEND_WAYLAND };
struct bar_config {
enum bar_backend backend;
const char *monitor;
enum bar_location location;
int height;

2
config.c
View file

@ -176,6 +176,8 @@ conf_to_bar(const struct yml_node *bar)
struct bar_config conf = {0};
conf.backend = BAR_BACKEND_AUTO;
/*
* Required attributes
*/