Syed Daanish
5b66f503e4
- switched to a sparse delta based map - true lazy-loading to avoid any unneccessary allocations - fixed windows management api
116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
#ifndef UI_H
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#define UI_H
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#include "pch.h"
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#include "utils/utils.h"
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#define KEY_CHAR 0
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#define KEY_SPECIAL 1
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#define KEY_MOUSE 2
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#define KEY_PASTE 3
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#define KEY_NONE 4
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#define KEY_UP 0
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#define KEY_DOWN 1
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#define KEY_LEFT 2
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#define KEY_RIGHT 3
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#define KEY_DELETE 4
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#define KEY_ESC '\x1b'
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#define PRESS 0
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#define RELEASE 1
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#define DRAG 2
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#define SCROLL 3
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#define LEFT_BTN 0
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#define MIDDLE_BTN 1
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#define RIGHT_BTN 2
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#define SCROLL_BTN 3
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#define NONE_BTN 4
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#define SCROLL_UP 0
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#define SCROLL_DOWN 1
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#define SCROLL_LEFT 2
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#define SCROLL_RIGHT 3
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#define ALT 1
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#define CNTRL 2
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#define CNTRL_ALT 3
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#define SHIFT 4
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#define DEFAULT 0
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#define BLOCK 2
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#define UNDERLINE 4
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#define CURSOR 6
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enum CellFlags : uint8_t {
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CF_NONE = 0,
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CF_ITALIC = 1 << 0,
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CF_BOLD = 1 << 1,
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CF_UNDERLINE = 1 << 2,
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CF_STRIKETHROUGH = 1 << 3
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};
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struct ScreenCell {
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std::string utf8 = std::string("");
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uint8_t width = 1;
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uint32_t fg = 0;
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uint32_t bg = 0;
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uint8_t flags = CF_NONE;
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uint32_t ul_color = 0;
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};
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struct KeyEvent {
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/* KEY_CHAR, KEY_SPECIAL, KEY_MOUSE, KEY_PASTE, KEY_NONE */
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uint8_t key_type;
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/* the character / string if key_type == KEY_CHAR or KEY_PASTE */
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char *c;
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/* length of c */
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uint32_t len;
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/* KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_DELETE if key_type ==
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* KEY_SPECIAL */
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uint8_t special_key;
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/* ALT, CNTRL, CNTRL_ALT, SHIFT if key_type == KEY_SPECIAL */
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uint8_t special_modifier;
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/* column of mouse click */
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uint8_t mouse_x;
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/* row of mouse click */
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uint8_t mouse_y;
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/* LEFT_BTN, MIDDLE_BTN, RIGHT_BTN, SCROLL_BTN, NONE_BTN if key_type ==
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* KEY_MOUSE */
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uint8_t mouse_button;
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/* PRESS, RELEASE, DRAG, SCROLL if key_type == KEY_MOUSE */
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uint8_t mouse_state;
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/* SCROLL_UP, SCROLL_DOWN, SCROLL_LEFT, SCROLL_RIGHT if key_type ==
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* KEY_MOUSE and mouse_state == SCROLL */
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uint8_t mouse_direction;
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/* ALT, CNTRL, CNTRL_ALT, SHIFT if key_type == KEY_MOUSE */
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uint8_t mouse_modifier;
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};
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inline bool is_empty_cell(const ScreenCell &c) {
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return c.utf8.empty() || c.utf8 == " " || c.utf8 == "\x1b";
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}
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namespace io {
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extern std::vector<ScreenCell> new_screen;
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extern uint32_t rows, cols;
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extern bool show_cursor;
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extern std::vector<ScreenCell> old_screen;
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extern termios orig_termios;
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} // namespace io
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Coord start_screen();
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void end_screen();
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void set_cursor(uint8_t row, uint8_t col, uint32_t type,
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bool show_cursor_param);
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void io_render();
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KeyEvent read_key();
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#endif
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