#include "vxBoot/gui.h"
#include "vxBoot/loader.h"

#include <gint/display.h>
#include <gint/keyboard.h>

//---
// Private
//---




//--
// Public
//---


/* gui_main() : main loop for the GUI display */
void gui_main(void)
{
	struct gui_meta disp;
	void (*display)(struct gui_meta*);
	int key;


	disp.list.anchor = 0;
	disp.list.select = 0;
	disp.list.count = loader_kernel_img_count();
#ifdef FX9860G
	disp.list.line = 5;
	disp.scroll.y = 10;
	disp.scroll.offset = 0;
	if (disp.list.count - 6 > 0) {
		disp.scroll.width   = (6 * 48) / disp.list.count;
		disp.scroll.offset  = (38 - disp.scroll.width);
		disp.scroll.offset /= (disp.list.count - 6);
	}
	display = &gui_fx9860g_display;
#endif
#ifdef FXCG50
	disp.list.line = 11;
	disp.scroll.y = 21;
	disp.scroll.offset = 0;
	if (disp.list.count - 11 > 0) {
		disp.scroll.width   = 167 / (disp.list.count - 11);
		disp.scroll.offset  = (167 - disp.scroll.width);
		disp.scroll.offset /= (disp.list.count - 11);
	}
	display = &gui_fxcg50_display;
#endif
	while (1) {
		dclear(C_BLACK);
		(*display)(&disp);
		dupdate();

		key = getkey().key;
		if (key == KEY_F6)
			break;
		if (key == KEY_EXE || key == KEY_SHIFT) {
			loader(
				loader_kernel_img_get(disp.list.select)->inode,
				LOADER_DEFAULT
			);
		}
		if (key == KEY_UP) {
			disp.list.select -= 1;
			if (disp.list.select < 0)
				disp.list.select = 0;
			if (disp.list.select < disp.list.anchor)
				disp.list.anchor -= 1;
		}
		if (key != KEY_DOWN)
			continue;
		disp.list.select += 1;
		if (disp.list.select >= disp.list.count)
			disp.list.select = disp.list.count - 1;
		if (disp.list.select - disp.list.anchor >= disp.list.line)
			disp.list.anchor += 1;
	}

}

#if 0
/* gui_main() : main loop for the GUI display */
void gui_main(void)
{
	int select_height;
	int disp_start;
	int max_line;
	int offsetW;
	int offsetH;
	int selected;
	int lheight;
	int loffset;
	int lrest;
	int count;
	int key;
	int pos;
	int i;

	selected = 0;
	disp_start = 0;
	offsetW = (DWIDTH * 5) / 100;
	offsetH = (DHEIGHT * 5) / 100;
	select_height = DHEIGHT - (offsetH * 3) - 6;
	select_height = select_height - (offsetH * 2) - 6;
	max_line = (select_height / (FHEIGHT + 6)) + 1;
	count = loader_kernel_img_count();
	lheight = (max_line * select_height) / count;
	lrest   = select_height - lheight;
	while (1) {
		dclear(C_BLACK);
		dupdate();

		key = getkey().key;
		if (key == KEY_F6)
			break;
		if (key == KEY_EXE || key == KEY_SHIFT) {
			loader(
				loader_kernel_img_get(selected)->inode,
				LOADER_DEFAULT
			);
		}
		if (key == KEY_UP) {
			selected -= 1;
			if (selected < 0) selected = 0;
			if (selected < disp_start) disp_start -= 1;
		}
		if (key == KEY_DOWN) {
			selected += 1;
			if (selected >= count) selected = count - 1;
			if (selected - disp_start >= max_line) disp_start += 1;
		}
	}
}
#endif