summaryrefslogtreecommitdiffstats
path: root/osdep/getch2-win.c
blob: 241321a420af1ea8486bfeb1496a5feb6356d26b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* windows TermIO for MPlayer          (C) 2003 Sascha Sommer */

// See  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/WinUI/WindowsUserInterface/UserInput/VirtualKeyCodes.asp
// for additional virtual keycodes


#include <windows.h>
#include "keycodes.h"
#include "../input/input.h"

int mp_input_win32_slave_cmd_func(int fd,char* dest,int size){
  DWORD retval;
  HANDLE stdin = GetStdHandle(STD_INPUT_HANDLE);
  if(!PeekNamedPipe(stdin, NULL, size, &retval, NULL, NULL) || !retval){
	  return MP_INPUT_NOTHING;
  }
  if(retval>size)retval=size;
  ReadFile(stdin, dest, retval, &retval, NULL);
  if(retval)return retval;
  return MP_INPUT_NOTHING;
}

int screen_width=80;
int screen_height=24;

void get_screen_size(){
}

static HANDLE stdin;
static int getch2_status=0;

int getch2(int time){
	INPUT_RECORD eventbuffer[128];
    DWORD retval;
   	int i=0;
    if(!getch2_status)return -1;    
    /*check if there are input events*/
	if(!GetNumberOfConsoleInputEvents(stdin,&retval))
	{
		printf("getch2: can't get number of input events: %i\n",GetLastError());
		return -1;
	}
    if(retval<=0)return -1;
    
	/*read all events*/	
	if(!ReadConsoleInput(stdin,eventbuffer,128,&retval))
	{
		printf("getch: can't read input events\n");
		return -1;
	}
 
	/*filter out keyevents*/
    for (i = 0; i < retval; i++) 
    {
		switch(eventbuffer[i].EventType) 
		{
			case KEY_EVENT:
				/*only a pressed key is interresting for us*/
				if(eventbuffer[i].Event.KeyEvent.bKeyDown == TRUE)
				{
					/*check for special keys*/
					switch(eventbuffer[i].Event.KeyEvent.wVirtualKeyCode)
					{
					case VK_HOME:
						return KEY_HOME;
					case VK_END:
						return KEY_END;
					case VK_DELETE:
						return KEY_DEL;
                    case VK_INSERT:
						return KEY_INS;
					case VK_BACK:
						return KEY_BS;
					case VK_PRIOR:
						return KEY_PGUP;
					case VK_NEXT:
						return KEY_PGDWN;
					case VK_RETURN:
						return KEY_ENTER;
					case VK_ESCAPE:
						return KEY_ESC;
					case VK_LEFT:
						return KEY_LEFT;
					case VK_UP:
						return KEY_UP;
					case VK_RIGHT:
						return KEY_RIGHT;
					case VK_DOWN:
						return KEY_DOWN;
                    case VK_SHIFT:
                        continue;              
					}
					/*check for function keys*/
        			if(0x87 >= eventbuffer[i].Event.KeyEvent.wVirtualKeyCode >= 0x70)
						return (KEY_F + 1 + eventbuffer[i].Event.KeyEvent.wVirtualKeyCode - 0x70);
 						
					/*only characters should be remaining*/
					//printf("getch2: YOU PRESSED \"%c\" \n",eventbuffer[i].Event.KeyEvent.uChar.AsciiChar); 
				    return eventbuffer[i].Event.KeyEvent.uChar.AsciiChar;
				}
				break; 
			
			case MOUSE_EVENT:
            case WINDOW_BUFFER_SIZE_EVENT: 
            case FOCUS_EVENT:  
            case MENU_EVENT:
            default:
				//printf("getch2: unsupported event type"); 
			    break; 
        } 
    }
	return -1;
}


void getch2_enable(){
	DWORD retval;
    stdin = GetStdHandle(STD_INPUT_HANDLE);
   	if(!GetNumberOfConsoleInputEvents(stdin,&retval))
	{
		printf("getch2: %i can't get number of input events  [disabling console input]\n",GetLastError());
		getch2_status = 0;
	}
    else getch2_status=1;
}

void getch2_disable(){
    if(!getch2_status) return; // already disabled / never enabled
    getch2_status=0;
}