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#ifndef TEENSY_UI_H_
#define TEENSY_UI_H_
#include "teensy_common.h"
#include "teensy.h"
#define TYUI_MAX_LAYOUT_SIZE (16)
#define TYUI_DEFAULT_MIN_WINDOW_SIZE (ty_vec2i(32, 32))
#define TYUI_WIN_NORESIZE (1 << 0)
#define TYUI_WIN_NOCLOSE (1 << 1)
#define TYUI_WIN_NOMOVE (1 << 2)
#define TYUI_WIN_INVISIBLE (1 << 3)
// Marks the beginning of a window, with sane defaults.
#define tyui_begin_window(_title, _rect, _id) \
tyui_begin_window_ex((tyui_Window_Conf){ \
.title = _title, \
.rect = _rect, \
.min_size = TYUI_DEFAULT_MIN_WINDOW_SIZE, \
.id = _id, \
.flags = 0, \
}, NULL)
// Displays left-aligned, formatted text.
#define tyui_text(...) tyui_text_ex(TYUI_ALIGN_LEFT, __VA_ARGS__)
// Displays a slider with a centered value display.
#define tyui_slider(min, max, value_ptr) \
tyui_slider_ex(min, max, value_ptr, true, TYUI_ALIGN_CENTER)
// Displays a slider without a value display.
#define tyui_blank_slider(min, max, value_ptr) \
tyui_slider_ex(min, max, value_ptr, false, 0)
typedef uint8_t tyui_Align;
enum {
TYUI_ALIGN_LEFT,
TYUI_ALIGN_RIGHT,
TYUI_ALIGN_CENTER,
};
// An ID to refer to resources from TYUI.
typedef uint8_t tyui_Id;
typedef struct {
ty_Color fg_normal;
ty_Color bg_normal;
ty_Color fg_hover;
ty_Color bg_hover;
ty_Color fg_pressed;
ty_Color bg_pressed;
ty_Color win_bg;
ty_Color win_border;
ty_Color win_title;
ty_Color frame;
int title_bar_height;
int padding;
int control_padding;
int frame_size;
int grabber_size;
const char *slider_fmt;
} tyui_Style;
typedef struct {
const char *title;
ty_Recti rect;
ty_Vec2i min_size;
tyui_Id *id;
uint32_t flags;
} tyui_Window_Conf;
typedef struct {
char *chars;
int max_len;
} tyui_Text_Input;
void tyui_init(const ty_Font *font);
void tyui_deinit(void);
// Pushes a layout to the layout stack. `column_widths` is either whole widths
// in pixels, a negative number to calculate the width from the right side of
// the layout, or a percentage of the width, from 0-1.
void tyui_push_layout(const float *column_widths);
// Removes the most recently defined layout.
void tyui_pop_layout(void);
// Marks the beginning of a window. Use `tyui_begin_window()` unless you need
// something specific.
bool tyui_begin_window_ex(tyui_Window_Conf conf, bool *closed_ptr);
// Marks the end of a window. Must only be called if the window actually opens.
void tyui_end_window(void);
// Displays a button. Returns true if it has been clicked.
bool tyui_button(const char *text);
// Displays text with a custom text alignment.
void tyui_text_ex(tyui_Align align, const char *fmt, ...);
// Displays a slider with custom alignment.
void tyui_slider_ex(
float min,
float max,
float *value_ptr,
bool show_value,
tyui_Align value_align
);
void tyui_text_input(tyui_Text_Input *input);
// Draws all accumulated draw commands and initializes the next frame.
void tyui_draw(void);
#endif // TEENSY_UI_H_
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