1 files changed, 72 insertions, 0 deletions
diff --git a/src/block.h b/src/block.h
new file mode 100644
index 0000000..3df760b
--- /dev/null
+++ b/src/block.h
@@ -0,0 +1,72 @@
+#ifndef COMET_BLOCK_H
+#define COMET_BLOCK_H
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <time.h>
+
+// Color representation normalized to [0, 1]
+//
+typedef struct {
+    double r, g, b, a;
+} color_t;
+
+// Element or text alignment
+//
+typedef enum {
+    ALIGN_LEFT,
+    ALIGN_CENTER,
+    ALIGN_RIGHT,
+} align_t;
+
+// Block type identifier
+//
+typedef enum {
+    BLOCK_TEXT,
+    BLOCK_GROUP,
+} block_type_t;
+
+typedef struct block block_t;
+
+// Triggered when an event is directed towards the block
+//
+typedef void (*block_event_t)(block_t *block, event_t *event);
+
+// Regularly called depending on the inverval passed from the last update
+//
+typedef void (*block_update_t)(block_t *block);
+
+// Generic block type
+//
+typedef struct block {
+    block_type_t type;
+    bool hidden;
+    color_t color;
+    color_t line_color;
+    int line_width;
+    int x_padding, y_padding;
+    int min_width, max_width;
+    block_event_t event_cb;
+};
+
+// Block text type
+//
+typedef struct {
+    block_t block;
+    const char *text;
+    color_t text_color;
+    align_t text_align;
+    int text_width;
+    int update_interval;
+    struct timespec update_last;
+    block_update_t update_cb;
+} block_text_t;
+
+// Block group type
+//
+typedef struct block_group {
+    block_t block;
+    struct block_group *next;
+} block_group_t;
+
+#endif