/////////////////////////////////////////////////////////////////////////////////////////
 /////////////////////////                   GUI                      ////////////////////
/////////////////////////////////////////////////////////////////////////////////////////

#include "..\lib\gui.h"
#include "..\lib\obj\box_lib.h"

#ifdef LANG_RUS
?define T_ADD_DISK " Добавить диск [Ins]"	
?define T_DELETE_DISK " Удалить диск [Del]"
?define INTRO_TEXT_1 "Здесь будет отображаться список"
?define INTRO_TEXT_2 "виртуальных дисков в системе."
?define INTRO_TEXT_3 "Попробуйте добавить один..."
?define SIZE_TEXT "Размер:"
?define NOTIFY_TEXT_NO_DISK    "'Для начала добавьте хотя бы один диск' -W"
?define NOTIFY_SYSTEM_DISK0    "'Диск с номером 0 является системным и удалять его не рекомендуется. 
В случае, если вы точно знаете, что делаете, удалить его можно с зажатой клавишей SHIFT.' -W"
?define NOTIFY_TEXT_DISK_LIMIT "'Достигнут предел количества виртуальных дисков' -W"
?define FREE_RAM_TEXT "Размер свободной оперативной памяти: "
	
#else
?define T_ADD_DISK " Add disk [Ins]"
?define T_DELETE_DISK " Delete disk [Del]"
?define INTRO_TEXT_1 " There will be list of mounted"
?define INTRO_TEXT_2 " virtual disks."
?define INTRO_TEXT_3 " Try to add one..."
?define SIZE_TEXT "Size:"
?define NOTIFY_TEXT_NO_DISK    "'You need to have at least one disk' -W"
?define NOTIFY_SYSTEM_DISK0    "'Disc number 0 is a system disk. It is not recommended to delete it.
In case when you know what you are doing you can delete it with the SHIFT key pressed.' -W"
?define NOTIFY_TEXT_DISK_LIMIT "'Reached the limit of the number of virtual disks' -W"
?define FREE_RAM_TEXT "Free RAM size: "
#endif

struct path_string { unsigned char Item[10]; };
path_string disk_list[10];

dword devbuf;
char disk_num;
char selected;

proc_info Form;

unsigned char icons[] = FROM "icons.raw";
#define TOPPANELH 68
#define BOTPANELH 26

char new_disk_size[7];
edit_box edit_disk_size= {50,0,7,0xffffff,0x94AECE,0xFFFfff,0xffffff,0x10000000,
	sizeof(new_disk_size)-2,#new_disk_size,0, ed_focus+ed_figure_only};

void Main_Window()
{
	word id;
	int x;

	load_dll(boxlib, #box_lib_init,0);
	GetNewSizeDisk();
	edit_disk_size.left = strlen(SIZE_TEXT)*9 + 10;
	SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER);
	loop()
	{
		switch(WaitEvent()) 
		{
		case evMouse:
			if (!CheckActiveProcess(Form.ID)) break;
			edit_box_mouse stdcall (#edit_disk_size);
			break;
			
		case evButton:
			id=GetButtonID();               
			if (id==1) return;
			if (id==10) AddDisk();
			if (id==11) {
				GetKeys();
				DelDisk();
			}
			if (id>=20)
			{
				if (selected==id-20) OpenTmpDisk();
				selected=id-20;
				DrawTmpDisks();
			}
            break;
        case evKey:
			GetKeys();
			// PROCESS KEYS WHEN EDIT BOX INACTIVE
			if ( ! edit_disk_size.flags&ed_focus)	switch(key_scancode) 
			{
				case SCAN_CODE_TAB:
					edit_disk_size.flags = ed_figure_only + ed_focus;
					edit_box_draw stdcall (#edit_disk_size);
					DrawTmpDisks();
					break;
				case SCAN_CODE_UP:
					if (selected==0) break;
					selected--;
					DrawTmpDisks();
					break;
				case SCAN_CODE_DOWN:
					if (selected+2>disk_num) break;
					selected++;
					DrawTmpDisks();
					break;
				case SCAN_CODE_LEFT:
					if (selected<3) break;
					selected-=3;
					DrawTmpDisks();
					break;
				case SCAN_CODE_RIGHT:
					if (selected+4>disk_num) break;
					selected+=3;
					DrawTmpDisks();
					break;					
				case SCAN_CODE_INS:
					AddDisk();
					break;
				case SCAN_CODE_DEL:
					DelDisk();
					break;
				case SCAN_CODE_ENTER:
					OpenTmpDisk();
					break;
			}
			// PROCESS KEYS WHEN EDIT BOX ACTIVE		
			else switch(key_scancode) 
			{
				case SCAN_CODE_TAB:
					edit_disk_size.flags = ed_figure_only;
					edit_box_draw stdcall (#edit_disk_size);
					DrawTmpDisks();
					break;
				case SCAN_CODE_ENTER:
				case SCAN_CODE_INS:
					AddDisk();
					break;
				default:
					EAX = key_editbox;
					edit_box_key stdcall(#edit_disk_size);
					break;
			}
			break;
         case evReDraw:			
			system.color.get();
			DefineAndDrawWindow(170,150,405,290,0x74,system.color.work,"Virtual Disk Manager 0.68",0);
			GetProcessInfo(#Form, SelfInfo);
			if (Form.status_window>2) break;

			DrawBar(0,0,  Form.cwidth,TOPPANELH, system.color.work);
			DrawBar(0,TOPPANELH, Form.cwidth,1,  system.color.work_graph);
			WriteText(6, 9, 0x90, system.color.work_text, SIZE_TEXT);
			WriteText(edit_disk_size.left + edit_disk_size.width + 12, 9, 0x90, system.color.work_text, "MB.");
			DrawEditBox(#edit_disk_size);
			x = 6 + DrawStandartCaptButton(6, 36, 10, T_ADD_DISK);
			DrawStandartCaptButton(x, 36, 11, T_DELETE_DISK);
			_PutImage(6+6, 42,  14,14,   #icons);
			_PutImage(x+6, 42,  14,14,   1*14*14*3+#icons);		
			GetDisks();
			DrawTmpDisks();
		}
	}
}


void GetNewSizeDisk()
{
	int fr;
	fr = GetFreeRAM() / 5 * 2;
	fr = itoa(fr / 2048);
	strcpy(#new_disk_size, fr);
	EditBox_UpdateText(#edit_disk_size, edit_disk_size.flags);
	edit_box_draw stdcall (#edit_disk_size);
}


void OpenTmpDisk()
{
	unsigned char eol_param[10];
	if (!disk_num) return;
	strcpy(#eol_param, "/tmp#/1/");
	eol_param[4] = disk_list[selected].Item[3];
	RunProgram("/sys/File managers/Eolite", #eol_param);
}


void GetDisks()
{
	unsigned int j, fcount=30;
	unsigned char disk_name[10];
	
	mem_Free(devbuf);
	devbuf= mem_Alloc(32);
	ReadDir(0, devbuf, "/");
	fcount=ESDWORD[devbuf+8];
	mem_Free(devbuf);
	devbuf = mem_Alloc(fcount+1*304+32);
	ReadDir(fcount, devbuf, "/");
	
	disk_num=0;
	for (j=0; j<fcount; j++;)
	{
		strcpy(#disk_name, j*304+devbuf+72);
		if (disk_name[0]!='t') continue;
		strcpy(#disk_list[disk_num].Item, #disk_name);
		disk_num++;
	}
	if (disk_num>12) disk_num=12;
}


dword GetDiskSize(dword disk_n)
{
	BDVK bdvk;
	char tmp_path[8];
	strcpy(#tmp_path, "/tmp0/1");
	tmp_path[4] = disk_n + '0';
	GetFileInfo(#tmp_path, #bdvk);		
	return bdvk.sizelo;
}

unsigned int disk_pos_x[]={13,13,13,102,102,102,191,191,191,279,279,279};
unsigned int disk_pos_y[]={79,127,175, 79,127,175, 79,127,175, 79,127,175};

void DrawTmpDisks()
{
	#define SELECTION_ACTIVE 0x0080FF;
	#define SELECTION_INACTIVE 0x757489;
	dword selection_color;
	char free_ram_text[60];
	byte i, real_id;
	int FreeRAM=GetFreeRAM()/1024;

	DrawBar(0,TOPPANELH+1, Form.cwidth,Form.cheight-TOPPANELH-BOTPANELH-2, 0xFFFFFF);
	DrawBar(0,Form.cheight-BOTPANELH-1, Form.cwidth,1, system.color.work_graph);
	DrawBar(0,Form.cheight-BOTPANELH, Form.cwidth,BOTPANELH, system.color.work);
	sprintf(#free_ram_text, "%s%i MB", FREE_RAM_TEXT, FreeRAM);
	WriteText(10, Form.cheight-20, 0x90, system.color.work_text, #free_ram_text);
	if (disk_num==0)
	{
		WriteText(17,TOPPANELH+15,    0x90, 0x777777, INTRO_TEXT_1);
		WriteText(17,TOPPANELH+15+15, 0x90, 0x777777, INTRO_TEXT_2);
		WriteText(17,TOPPANELH+15+42, 0x90, 0x777777, INTRO_TEXT_3);
		return;
	};
	if (selected>=disk_num) selected=disk_num-1; //restore selected
	for (i=0; i<10; i++) DeleteButton(20+i);
	for (i=0; i<disk_num; i++)
	{
		DefineButton(disk_pos_x[i], disk_pos_y[i], 80, 40, 20+i, 0xFFFfff);
		WriteText(disk_pos_x[i]+26,disk_pos_y[i]+6,  10110000b, 0x222222, #disk_list[i].Item);
		real_id = disk_list[i].Item[3] - '0';
		WriteText(disk_pos_x[i]+27,disk_pos_y[i]+24, 0x80, 0x555555, ConvertSize(GetDiskSize(real_id)));
		_PutImage(disk_pos_x[i]+6,disk_pos_y[i]+6, 14,14, 2*14*14*3+#icons);
		if (selected==i) {
			if ( edit_disk_size.flags & ed_focus) 
				selection_color = SELECTION_INACTIVE; 
			else 
				selection_color = SELECTION_ACTIVE;
			DrawWideRectangle(disk_pos_x[i], disk_pos_y[i], 80, 40, 2, selection_color);
			PutPixel(disk_pos_x[i], disk_pos_y[i], 0xFFFfff);
		}
	}
}


void AddDisk()
{
	byte i, j, err;
	if (disk_num>=10)
	{
		notify(NOTIFY_TEXT_DISK_LIMIT);
		return;
	}
	
	param[0]='a';
	for (i=0; i<9; i++)
	{
		for (j=0; j<=disk_num; j++)
		{
			if (i+48==disk_list[j].Item[3]) continue 1;
		}
		break;
	}
	
	param[1]=i+48;
	param[2]='s';
	param[3]='\0';
	strcat(#param, #new_disk_size); 
	err = Console_Work();
	if ((err!=0) && (err<7)) notify(rezult_text[err]);
	pause(5);
	GetDisks();
	DrawTmpDisks();
	GetNewSizeDisk();
}


void DelDisk()
{
	byte err;
	if (disk_num==0)
	{
		notify(NOTIFY_TEXT_NO_DISK);
		return;
	}
	if (disk_list[selected].Item[3]=='0') && (! key_modifier & KEY_LSHIFT) && (! key_modifier & KEY_RSHIFT)
	{
		notify(NOTIFY_SYSTEM_DISK0);
		return;
	}
	param[0]='d';
	param[1]=disk_list[selected].Item[3];
	err = byte Console_Work();
	if ((err!=0) && (err<7)) notify(rezult_text[err]);
	pause(15);
	GetDisks();
	DrawTmpDisks();
}