158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
#if 0
|
|
/*
|
|
** [x] Choosing a keying strategy from user code
|
|
** [x] Using parents
|
|
** [x] Using file and line
|
|
** [ ] Keyboard friendliness
|
|
** [x] ui_em size
|
|
** [ ] use strictness to 'solve violations'
|
|
** [ ] scrolling
|
|
** [ ] vieweing type info
|
|
** [ ] slider
|
|
** [ ] button
|
|
** [ ] pernament state
|
|
*/
|
|
|
|
typedef struct ui_id_t ui_id_t;
|
|
struct ui_id_t {
|
|
u64 value;
|
|
};
|
|
|
|
typedef struct ui_code_loc_t ui_code_loc_t;
|
|
struct ui_code_loc_t {
|
|
char *file;
|
|
int line;
|
|
int counter;
|
|
};
|
|
#define UI_CODE_LOC (ui_code_loc_t){.file = __FILE__, .line = __LINE__, .counter = __COUNTER__}
|
|
|
|
typedef enum {
|
|
ui_axis2_x,
|
|
ui_axis2_y,
|
|
ui_axis2_count,
|
|
} ui_axis2_t;
|
|
|
|
typedef enum {
|
|
ui_size_kind_null,
|
|
ui_size_kind_pixels,
|
|
ui_size_kind_text_content,
|
|
ui_size_kind_percent_of_parent,
|
|
ui_size_kind_children_sum,
|
|
} ui_size_kind_t;
|
|
|
|
typedef struct ui_size_t ui_size_t;
|
|
struct ui_size_t {
|
|
ui_size_kind_t kind;
|
|
f32 value;
|
|
f32 strictness;
|
|
};
|
|
|
|
typedef struct ui_box_flags_t ui_box_flags_t;
|
|
struct ui_box_flags_t {
|
|
b8 draw_border : 1;
|
|
b8 draw_text : 1;
|
|
b8 draw_rect : 1;
|
|
|
|
b8 scroll : 1;
|
|
};
|
|
|
|
typedef struct ui_box_t ui_box_t;
|
|
struct ui_box_t {
|
|
// recreated every frame in building code
|
|
ui_box_t *next;
|
|
ui_box_t *prev;
|
|
ui_box_t *parent;
|
|
ui_box_t *first;
|
|
ui_box_t *last;
|
|
i32 node_count;
|
|
|
|
ui_box_flags_t flags;
|
|
s8_t string;
|
|
ui_size_t semantic_size[ui_axis2_count];
|
|
ui_axis2_t grow_axis;
|
|
ui_code_loc_t loc;
|
|
b32 created_new;
|
|
|
|
// layout
|
|
f32 iter_pos[ui_axis2_count];
|
|
|
|
// preserving state
|
|
ui_id_t id; // important position!: offset(id) used for partial zeroing
|
|
u64 last_touched_event_id;
|
|
ui_box_t *hash_next;
|
|
ui_box_t *hash_prev;
|
|
|
|
// layout
|
|
f32 computed_rel_pos[ui_axis2_count];
|
|
f32 computed_size[ui_axis2_count];
|
|
r2f32_t rect;
|
|
v2f32_t view_offset;
|
|
|
|
// state
|
|
b32 expanded;
|
|
};
|
|
|
|
typedef struct ui_signal_t ui_signal_t;
|
|
struct ui_signal_t {
|
|
ui_box_t *box;
|
|
b8 clicked;
|
|
b8 dragging;
|
|
|
|
// b8 double_clicked;
|
|
// b8 right_clicked;
|
|
// b8 pressed;
|
|
// b8 released;
|
|
// b8 dragging;
|
|
// b8 hovering;
|
|
};
|
|
|
|
typedef struct ui_id_flags_t ui_id_flags_t;
|
|
struct ui_id_flags_t {
|
|
b8 use_hierarchy;
|
|
b8 use_code_loc;
|
|
b8 use_string;
|
|
};
|
|
|
|
typedef struct ui_t ui_t;
|
|
struct ui_t {
|
|
ma_arena_t *box_arena; // required to be only used for boxes
|
|
app_event_t *event;
|
|
app_frame_t *frame;
|
|
|
|
i32 allocated_boxes;
|
|
ui_box_t *box_array; // first item on arena
|
|
ui_box_t *root;
|
|
ui_box_t *top;
|
|
|
|
ui_box_t *free_first;
|
|
ui_box_t *hash_first;
|
|
ui_box_t *hash_last;
|
|
|
|
ui_id_t hot;
|
|
ui_id_t active;
|
|
|
|
int indent_stack;
|
|
|
|
ui_id_flags_t id_flags;
|
|
};
|
|
|
|
gb ui_t *ui = NULL;
|
|
gb_read_only ui_id_t ui_null_id;
|
|
gb_read_only ui_box_t ui_null_box;
|
|
|
|
fn b32 ui_is_null_id(ui_id_t id) { return id.value == 0; }
|
|
fn b32 ui_is_null_box(ui_box_t *box) { return box->id.value == 0; }
|
|
fn b32 ui_is_hot_box(ui_box_t *box) { return !ui_is_null_box(box) && box->id.value == ui->hot.value; }
|
|
fn b32 ui_is_active_box(ui_box_t *box) { return !ui_is_null_box(box) && box->id.value == ui->active.value; }
|
|
|
|
#define ev_left(ev) ((ev)->mouse_button == app_mouse_button_left)
|
|
#define ev_left_up(ev) ((ev)->kind == app_event_kind_mouse_up && ev_left(ev))
|
|
#define ev_left_down(ev) ((ev)->kind == app_event_kind_mouse_down && ev_left(ev))
|
|
|
|
fn ui_size_t ui_size(ui_size_kind_t kind, f32 value) { return (ui_size_t){.kind = kind, .value = value}; }
|
|
#define ui_pixels(value) ui_size(ui_size_kind_pixels, value)
|
|
#define ui_em(value) ui_size(ui_size_kind_pixels, value * rn_state.main_font.size)
|
|
#define ui_text() ui_size(ui_size_kind_text_content, 0)
|
|
#define ui_children_sum() ui_size(ui_size_kind_children_sum, 0)
|
|
#define ui_percent(value) ui_size(ui_size_kind_percent_of_parent, value)
|