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bar: wip: define a 'backend' interface

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Implement the current XCB backend in terms of this new interface.
This commit is contained in:
Daniel Eklöf 2019-01-29 20:59:25 +01:00
parent f37dfbc727
commit 88daaf0ab7
6 changed files with 503 additions and 403 deletions
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17
bar/backend.h Normal file
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#pragma once
#include <stdbool.h>
#include "../bar.h"
struct backend {
bool (*setup)(struct bar *bar);
void (*cleanup)(struct bar *bar);
void (*loop)(struct bar *bar,
void (*expose)(const struct bar *bar),
void (*on_mouse)(struct bar *bar, enum mouse_event event,
int x, int y));
void (*commit_surface)(const struct bar *bar);
void (*refresh)(const struct bar *bar);
void (*set_cursor)(struct bar *bar, const char *cursor);
};