xhads/source/ui.ads

-- Copyright (c) 2024 - Ognjen 'xolatile' Milan Robovic
--
-- GNU General Public Licence (version 3 or later)

with core;

package ui is

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	type style is (
		main,
		fairy,                  dwarf,                  gnoll,                  kobold,                 goblin,                 imp
	);

	type enumeration is (
		gui_none, gui_button, gui_line, gui_text, gui_icon, gui_sprite, gui_orient
	);

                                             ------------------------------------------------------------------------------------------

	type gui_data is record
		kind   : enumeration       := gui_none;
		text   : core.short_string := "-                       ";
		number : integer           := 0;
		image  : core.sprite       := (others => 0);
	end record;

	empty : gui_data;

	type gui_array is array (natural range <>) of gui_data;

	type structure is record
		title    :        core.short_string := "-                       ";
		toggle   :        core.signal_code  := core.signal_space;
		show     :        boolean           := false;
		center   :        boolean           := false;
		resize   :        boolean           := false;
		x        :        integer           := 0;
		y        :        integer           := 0;
		width    :        integer           := 0;
		height   :        integer           := 0;
		gui_n    :        natural           := 0;
		gui_list : access gui_array         := null;
	end record;

	no_structure : structure;

                                             ------------------------------------------------------------------------------------------

	active : style := main;

                                             ------------------------------------------------------------------------------------------

	procedure configure;
	procedure synchronize;

	procedure write (text : in string; x, y : in integer);

	procedure draw_icon     (data : in core.sprite; description : in string; x, y : in integer; action : core.pointer := core.idle'access);
	procedure draw_overicon (data : in core.sprite; description : in string; x, y : in integer; action : core.pointer := core.idle'access);

	procedure draw_text_box (text : in string);

	procedure draw_help_box (x, y, width, height : in integer; action : core.pointer := core.idle'access);

	procedure draw_frame (description : in string; x, y, width, height : in integer; action : core.pointer := core.idle'access);

	procedure draw_title_bar  (x, y, width  : in integer; title  : in string);
	procedure draw_fill_bar   (x, y, width  : in integer; fill   : in float);
	procedure draw_scroll_bar (x, y, height : in integer; offset : in integer);

	procedure draw_menu      (x, y, width, height : in integer);
	procedure draw_tiny_menu (x, y, width, height : in integer);

	procedure draw_icon_menu (description : in string; x, y, width, height : in integer; action : core.pointer := core.idle'access);

	procedure draw_state_box (x, y : in integer);

	procedure add_structure (data : in structure := no_structure);

	procedure add_structure_button (icon : in core.sprite; text : in core.short_string);

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end ui;