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microui.sunder
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microui.sunder
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import "c";
let MU_COMMANDLIST_SIZE = 256u * 1024u;
let MU_ROOTLIST_SIZE = 32u;
let MU_CONTAINERSTACK_SIZE = 32u;
let MU_CLIPSTACK_SIZE = 32u;
let MU_IDSTACK_SIZE = 32u;
let MU_LAYOUTSTACK_SIZE = 16u;
let MU_CONTAINERPOOL_SIZE = 48u;
let MU_TREENODEPOOL_SIZE = 48u;
let MU_MAX_WIDTHS = 16u;
alias MU_REAL = float;
let MU_REAL_FMT = startof("%.3g");
let MU_SLIDER_FMT = startof("%.2f");
let MU_MAX_FMT = 127u;
let MU_CLIP_PART: sint = 1;
let MU_CLIP_ALL: sint = 2;
let MU_COMMAND_JUMP: sint = 1;
let MU_COMMAND_CLIP: sint = 2;
let MU_COMMAND_RECT: sint = 3;
let MU_COMMAND_TEXT: sint = 4;
let MU_COMMAND_ICON: sint = 5;
let MU_COMMAND_MAX: usize = 6;
let MU_COLOR_TEXT: sint = 0;
let MU_COLOR_BORDER: sint = 1;
let MU_COLOR_WINDOWBG: sint = 2;
let MU_COLOR_TITLEBG: sint = 3;
let MU_COLOR_TITLETEXT: sint = 4;
let MU_COLOR_PANELBG: sint = 5;
let MU_COLOR_BUTTON: sint = 6;
let MU_COLOR_BUTTONHOVER: sint = 7;
let MU_COLOR_BUTTONFOCUS: sint = 8;
let MU_COLOR_BASE: sint = 9;
let MU_COLOR_BASEHOVER: sint = 10;
let MU_COLOR_BASEFOCUS: sint = 11;
let MU_COLOR_SCROLLBASE: sint = 12;
let MU_COLOR_SCROLLTHUMB: sint = 13;
let MU_COLOR_MAX: usize = 14;
let MU_ICON_CLOSE: sint = 1;
let MU_ICON_CHECK: sint = 2;
let MU_ICON_COLLAPSED: sint = 3;
let MU_ICON_EXPANDED: sint = 4;
let MU_ICON_MAX: usize = 5;
let MU_RES_ACTIVE = (:sint)(1u << 0);
let MU_RES_SUBMIT = (:sint)(1u << 1);
let MU_RES_CHANGE = (:sint)(1u << 2);
let MU_OPT_ALIGNCENTER = (:sint)(1u << 0);
let MU_OPT_ALIGNRIGHT = (:sint)(1u << 1);
let MU_OPT_NOINTERACT = (:sint)(1u << 2);
let MU_OPT_NOFRAME = (:sint)(1u << 3);
let MU_OPT_NORESIZE = (:sint)(1u << 4);
let MU_OPT_NOSCROLL = (:sint)(1u << 5);
let MU_OPT_NOCLOSE = (:sint)(1u << 6);
let MU_OPT_NOTITLE = (:sint)(1u << 7);
let MU_OPT_HOLDFOCUS = (:sint)(1u << 8);
let MU_OPT_AUTOSIZE = (:sint)(1u << 9);
let MU_OPT_POPUP = (:sint)(1u << 10);
let MU_OPT_CLOSED = (:sint)(1u << 11);
let MU_OPT_EXPANDED = (:sint)(1u << 12);
let MU_MOUSE_LEFT = (:sint)(1u << 0);
let MU_MOUSE_RIGHT = (:sint)(1u << 1);
let MU_MOUSE_MIDDLE = (:sint)(1u << 2);
let MU_KEY_SHIFT = (:sint)(1u << 0);
let MU_KEY_CTRL = (:sint)(1u << 1);
let MU_KEY_ALT = (:sint)(1u << 2);
let MU_KEY_BACKSPACE = (:sint)(1u << 3);
let MU_KEY_RETURN = (:sint)(1u << 4);
alias mu_Id = uint;
alias mu_Real = MU_REAL;
alias mu_Font = *any;
struct mu_Vec2 { var x: sint; var y: sint; }
struct mu_Rect { var x: sint; var y: sint; var w: sint; var h: sint; }
struct mu_Color { var r: u8; var g: u8; var b: u8; var a: u8; }
struct mu_PoolItem { var id: mu_Id; var last_update: sint; }
struct mu_BaseCommand { var type: sint; var size: sint; }
struct mu_JumpCommand { var base: mu_BaseCommand; var dst: *any; }
struct mu_ClipCommand { var base: mu_BaseCommand; var rect: mu_Rect; }
struct mu_RectCommand { var base: mu_BaseCommand; var rect: mu_Rect; var color: mu_Color; }
struct mu_TextCommand { var base: mu_BaseCommand; var font: mu_Font; var pos: mu_Vec2; var color: mu_Color; var str: [1]char; }
struct mu_IconCommand { var base: mu_BaseCommand; var rect: mu_Rect; var id: sint; var color: mu_Color; }
union mu_Command {
var type: sint;
var base: mu_BaseCommand;
var jump: mu_JumpCommand;
var clip: mu_ClipCommand;
var rect: mu_RectCommand;
var text: mu_TextCommand;
var icon: mu_IconCommand;
}
struct mu_Layout {
var body: mu_Rect;
var next: mu_Rect;
var position: mu_Vec2;
var size: mu_Vec2;
var max: mu_Vec2;
var widths: [MU_MAX_WIDTHS]sint;
var items: sint;
var item_index: sint;
var next_row: sint;
var next_type: sint;
var indent: sint;
}
struct mu_Container {
var head: *mu_Command;
var tail: *mu_Command;
var rect: mu_Rect;
var body: mu_Rect;
var content_size: mu_Vec2;
var scroll: mu_Vec2;
var zindex: sint;
var open: sint;
}
struct mu_Style {
var font: mu_Font;
var size: mu_Vec2;
var padding: sint;
var spacing: sint;
var indent: sint;
var title_height: sint;
var scrollbar_size: sint;
var thumb_size: sint;
var colors: [(:usize)MU_COLOR_MAX]mu_Color;
}
struct mu_Context {
# callbacks
var text_width: func(mu_Font, *char, sint) sint;
var text_height: func(mu_Font) sint;
var draw_frame: func(mu_Context, mu_Rect, sint) void;
# core state
var _style: mu_Style;
var style: *mu_Style;
var hover: mu_Id;
var focus: mu_Id;
var last_id: mu_Id;
var last_rect: mu_Rect;
var last_zindex: sint;
var updated_focus: sint;
var frame: sint;
var hover_root: *mu_Container;
var next_hover_root: *mu_Container;
var scroll_target: *mu_Container;
var number_edit_buf: [MU_MAX_FMT]char;
var number_edit: mu_Id;
# stacks
var command_list: struct { var idx: sint; var items: [MU_COMMANDLIST_SIZE]char; };
var root_list: struct { var idx: sint; var items: [MU_ROOTLIST_SIZE]*mu_Container; };
var container_stack: struct { var idx: sint; var items: [MU_CONTAINERSTACK_SIZE]*mu_Container; };
var clip_stack: struct { var idx: sint; var items: [MU_CLIPSTACK_SIZE]mu_Rect; };
var id_stack: struct { var idx: sint; var items: [MU_IDSTACK_SIZE]mu_Id; };
var layout_stack: struct { var idx: sint; var items: [MU_LAYOUTSTACK_SIZE]mu_Layout; };
# retained state pools
var container_pool: [MU_CONTAINERPOOL_SIZE]mu_PoolItem;
var containers: [MU_CONTAINERPOOL_SIZE]mu_Container;
var treenode_pool: [MU_TREENODEPOOL_SIZE]mu_PoolItem;
# input state
var mouse_pos: mu_Vec2;
var last_mouse_pos: mu_Vec2;
var mouse_delta: mu_Vec2;
var scroll_delta: mu_Vec2;
var mouse_down: sint;
var mouse_pressed: sint;
var key_down: sint;
var key_pressed: sint;
var input_text: [32]char;
}
extern func mu_vec2(x: sint, y: sint) mu_Vec2;
extern func mu_rect(x: sint, y: sint, w: sint, h: sint) mu_Rect;
extern func mu_color(r: sint, g: sint, b: sint, a: sint) mu_Color;
extern func mu_init(ctx: *mu_Context) void;
extern func mu_begin(ctx: *mu_Context) void;
extern func mu_end(ctx: *mu_Context) void;
extern func mu_set_focus(ctx: *mu_Context, id: mu_Id) void;
extern func mu_get_id(ctx: *mu_Context, data: *any, size: sint) mu_Id;
extern func mu_push_id(ctx: *mu_Context, data: *any, size: sint) void;
extern func mu_pop_id(ctx: *mu_Context) void;
extern func mu_push_clip_rect(ctx: *mu_Context, rect: mu_Rect) void;
extern func mu_pop_clip_rect(ctx: *mu_Context) void;
extern func mu_get_clip_rect(ctx: *mu_Context) mu_Rect;
extern func mu_check_clip(ctx: *mu_Context, r: mu_Rect) sint;
extern func mu_get_current_container(ctx: *mu_Context) *mu_Container;
extern func mu_get_container(ctx: *mu_Context, name: *char) *mu_Container;
extern func mu_bring_to_front(ctx: *mu_Context, cnt: *mu_Container) void;
extern func mu_pool_init(ctx: *mu_Context, items: *mu_PoolItem, len: sint, id: mu_Id) sint;
extern func mu_pool_get(ctx: *mu_Context, items: *mu_PoolItem, len: sint, id: mu_Id) sint;
extern func mu_pool_update(ctx: *mu_Context, items: *mu_PoolItem, idx: sint) void;
extern func mu_input_mousemove(ctx: *mu_Context, x: sint, y: sint) void;
extern func mu_input_mousedown(ctx: *mu_Context, x: sint, y: sint, btn: sint) void;
extern func mu_input_mouseup(ctx: *mu_Context, x: sint, y: sint, btn: sint) void;
extern func mu_input_scroll(ctx: *mu_Context, x: sint, y: sint) void;
extern func mu_input_keydown(ctx: *mu_Context, key: sint) void;
extern func mu_input_keyup(ctx: *mu_Context, key: sint) void;
extern func mu_input_text(ctx: *mu_Context, tex: *char) void;
extern func mu_push_command(ctx: *mu_Context, type: sint, size: sint) *mu_Command;
extern func mu_next_command(ctx: *mu_Context, cmd: **mu_Command) sint;
extern func mu_set_clip(ctx: *mu_Context, rect: mu_Rect) void;
extern func mu_draw_rect(ctx: *mu_Context, rect: mu_Rect, color: mu_Color) void;
extern func mu_draw_box(ctx: *mu_Context, rect: mu_Rect, color: mu_Color) void;
extern func mu_draw_text(ctx: *mu_Context, font: mu_Font, str: *char, len: sint, pos: mu_Vec2, color: mu_Color) void;
extern func mu_draw_icon(ctx: *mu_Context, id: sint, rect: mu_Rect, color: mu_Color) void;
extern func mu_layout_row(ctx: *mu_Context, items: sint, widths: *sint, height: sint) void;
extern func mu_layout_width(ctx: *mu_Context, width: sint) void;
extern func mu_layout_height(ctx: *mu_Context, height: sint) void;
extern func mu_layout_begin_column(ctx: *mu_Context) void;
extern func mu_layout_end_column(ctx: *mu_Context) void;
extern func mu_layout_set_next(ctx: *mu_Context, r: mu_Rect, relative: sint) void;
extern func mu_layout_next(ctx: *mu_Context) mu_Rect;
extern func mu_draw_control_frame(ctx: *mu_Context, id: mu_Id, rect: mu_Rect, colorid: sint, opt: sint) void;
extern func mu_draw_control_text(ctx: *mu_Context, str: *char, rect: mu_Rect, colorid: sint, opt: sint) void;
extern func mu_mouse_over(ctx: *mu_Context, rect: mu_Rect) sint;
extern func mu_update_control(ctx: *mu_Context, id: mu_Id, rect: mu_Rect, opt: sint) void;
func mu_textbox(ctx: *mu_Context, buf: *char, bufsz: sint) sint { return mu_textbox_ex(ctx, buf, bufsz, 0); }
func mu_number(ctx: *mu_Context, value: *mu_Real, step: mu_Real) sint { return mu_number_ex(ctx, value, step, MU_SLIDER_FMT, MU_OPT_ALIGNCENTER); }
func mu_header(ctx: *mu_Context, label: *char) sint { return mu_header_ex(ctx, label, 0); }
func mu_begin_treenode(ctx: *mu_Context, label: *char) sint { return mu_begin_treenode_ex(ctx, label, 0); }
func mu_begin_window(ctx: *mu_Context, title: *char, rect: mu_Rect) sint { return mu_begin_window_ex(ctx, title, rect, 0); }
func mu_begin_panel(ctx: *mu_Context, name: *char) void { mu_begin_panel_ex(ctx, name, 0); }
extern func mu_text(ctx: *mu_Context, text: *char) void;
extern func mu_label(ctx: *mu_Context, text: *char) void;
extern func mu_button(ctx: *mu_Context, label: *char) sint;
extern func mu_button_ex(ctx: *mu_Context, label: *char, icon: sint, opt: sint) sint;
extern func mu_checkbox(ctx: *mu_Context, label: *char, state: *bool) sint;
extern func mu_textbox_ex(ctx: *mu_Context, buf: *char, bufsz: sint, opt: sint) sint;
extern func mu_textbox_raw(ctx: *mu_Context, buf: *char, bufsz: sint, id: mu_Id, r: mu_Rect, opt: sint) sint;
extern func mu_slider(ctx: *mu_Context, value: *mu_Real, lo: mu_Real, hi: mu_Real) sint;
extern func mu_slider_ex(ctx: *mu_Context, value: *mu_Real, low: mu_Real, high: mu_Real, step: mu_Real, fmt: *char, opt: sint) sint;
extern func mu_number_ex(ctx: *mu_Context, value: *mu_Real, step: mu_Real, fmt: *char, opt: sint) sint;
extern func mu_begin_treenode_ex(ctx: *mu_Context, label: *char, opt: sint) sint;
extern func mu_end_treenode(ctx: *mu_Context) void;
extern func mu_header_ex(ctx: *mu_Context, label: *char, opt: sint) sint;
extern func mu_begin_window_ex(ctx: *mu_Context, title: *char, rect: mu_Rect, opt: sint) sint;
extern func mu_end_window(ctx: *mu_Context) void;
extern func mu_open_popup(ctx: *mu_Context, name: *char) void;
extern func mu_begin_popup(ctx: *mu_Context, name: *char) sint;
extern func mu_end_popup(ctx: *mu_Context) void;
extern func mu_begin_panel_ex(ctx: *mu_Context, name: *char, opt: sint) void;
extern func mu_end_panel(ctx: *mu_Context) void;