Cleanup

include/io/sysio.h

@@ -0,0 +1,106 @@
+#ifndef UI_H
+#define UI_H
+
+#include "pch.h"
+#include "utils/utils.h"
+
+#define KEY_CHAR 0
+#define KEY_SPECIAL 1
+#define KEY_MOUSE 2
+#define KEY_PASTE 3
+#define KEY_NONE 4
+
+#define KEY_UP 0
+#define KEY_DOWN 1
+#define KEY_LEFT 2
+#define KEY_RIGHT 3
+#define KEY_DELETE 4
+
+#define KEY_ESC '\x1b'
+
+#define PRESS 0
+#define RELEASE 1
+#define DRAG 2
+#define SCROLL 3
+
+#define LEFT_BTN 0
+#define MIDDLE_BTN 1
+#define RIGHT_BTN 2
+#define SCROLL_BTN 3
+#define NONE_BTN 4
+
+#define SCROLL_UP 0
+#define SCROLL_DOWN 1
+#define SCROLL_LEFT 2
+#define SCROLL_RIGHT 3
+
+#define ALT 1
+#define CNTRL 2
+#define CNTRL_ALT 3
+#define SHIFT 4
+
+#define DEFAULT 0
+#define BLOCK 2
+#define UNDERLINE 4
+#define CURSOR 6
+
+enum CellFlags : uint8_t {
+  CF_NONE = 0,
+  CF_ITALIC = 1 << 0,
+  CF_BOLD = 1 << 1,
+  CF_UNDERLINE = 1 << 2,
+  CF_STRIKETHROUGH = 1 << 3
+};
+
+struct ScreenCell {
+  std::string utf8 = std::string("");
+  uint8_t width = 1;
+  uint32_t fg = 0;
+  uint32_t bg = 0;
+  uint8_t flags = CF_NONE;
+  uint32_t ul_color = 0;
+};
+
+struct KeyEvent {
+  uint8_t key_type;
+
+  char *c;
+  uint32_t len;
+
+  uint8_t special_key;
+  uint8_t special_modifier;
+
+  uint8_t mouse_x;
+  uint8_t mouse_y;
+  uint8_t mouse_button;
+  uint8_t mouse_state;
+  uint8_t mouse_direction;
+  uint8_t mouse_modifier;
+};
+
+extern uint32_t rows, cols;
+extern std::vector<ScreenCell> screen;
+extern std::vector<ScreenCell> old_screen;
+extern std::mutex screen_mutex;
+
+inline bool is_empty_cell(const ScreenCell &c) {
+  return c.utf8.empty() || c.utf8 == " " || c.utf8 == "\x1b";
+}
+
+Coord start_screen();
+void end_screen();
+void update(uint32_t row, uint32_t col, std::string utf8, uint32_t fg,
+            uint32_t bg, uint8_t flags);
+void update(uint32_t row, uint32_t col, const char *utf8, uint32_t fg,
+            uint32_t bg, uint8_t flags);
+void update(uint32_t row, uint32_t col, std::string utf8, uint32_t fg,
+            uint32_t bg, uint8_t flags, uint32_t ul_color);
+void update(uint32_t row, uint32_t col, const char *utf8, uint32_t fg,
+            uint32_t bg, uint8_t flags, uint32_t ul_color);
+void set_cursor(int row, int col, int type, bool show_cursor_param);
+void render();
+Coord get_size();
+
+KeyEvent read_key();
+
+#endif