cocoa.m

qemu虚拟机代码

/*
 * QEMU Cocoa display driver
 * 
 * Copyright (c) 2005 Pierre d'Herbemont
 *                    many code/inspiration from SDL 1.2 code (LGPL)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/*
    Todo :    x  miniaturize window 
              x  center the window
              -  save window position
              -  handle keyboard event
              -  handle mouse event
              -  non 32 bpp support
              -  full screen
              -  mouse focus
              x  simple graphical prompt to demo
              -  better graphical prompt
*/

#import <Cocoa/Cocoa.h>

#include "vl.h"

NSWindow *window = NULL;
NSQuickDrawView *qd_view = NULL;


int gArgc;
char **gArgv;
DisplayState current_ds;

int grab = 0;
int modifiers_state[256];

/* main defined in qemu/vl.c */
int qemu_main(int argc, char **argv);

/* To deal with miniaturization */
@interface QemuWindow : NSWindow
{ }
@end


/*
 ------------------------------------------------------
    Qemu Video Driver
 ------------------------------------------------------
*/

/*
 ------------------------------------------------------
    cocoa_update
 ------------------------------------------------------
*/
static void cocoa_update(DisplayState *ds, int x, int y, int w, int h)
{
    //printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);

    /* Use QDFlushPortBuffer() to flush content to display */
    RgnHandle dirty = NewRgn ();
    RgnHandle temp  = NewRgn ();

    SetEmptyRgn (dirty);

    /* Build the region of dirty rectangles */
    MacSetRectRgn (temp, x, y,
                        x + w, y + h);
    MacUnionRgn (dirty, temp, dirty);
                
    /* Flush the dirty region */
    QDFlushPortBuffer ( [ qd_view  qdPort ], dirty );
    DisposeRgn (dirty);
    DisposeRgn (temp);
}

/*
 ------------------------------------------------------
    cocoa_resize
 ------------------------------------------------------
*/
static void cocoa_resize(DisplayState *ds, int w, int h)
{
    const int device_bpp = 32;
    static void *screen_pixels;
    static int  screen_pitch;
    NSRect contentRect;
    
    //printf("resizing to %d %d\n", w, h);
    
    contentRect = NSMakeRect (0, 0, w, h);
    if(window)
    {
        [window close];
        [window release];
    }
    window = [ [ QemuWindow alloc ] initWithContentRect:contentRect
                                  styleMask:NSTitledWindowMask|NSMiniaturizableWindowMask|NSClosableWindowMask
                                  backing:NSBackingStoreBuffered defer:NO];
    if(!window)
    {
        fprintf(stderr, "(cocoa) can't create window\n");
        exit(1);
    }
    
    if(qd_view)
        [qd_view release];
    
    qd_view = [ [ NSQuickDrawView alloc ] initWithFrame:contentRect ];
    
    if(!qd_view)
    {
         fprintf(stderr, "(cocoa) can't create qd_view\n");
        exit(1);
    }
    
    [ window setAcceptsMouseMovedEvents:YES ];
    [ window setTitle:@"Qemu" ];
    [ window setReleasedWhenClosed:NO ];
    
    /* Set screen to black */
    [ window setBackgroundColor: [NSColor blackColor] ];
    
    /* set window position */
    [ window center ];
    
    [ qd_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
    [ [ window contentView ] addSubview:qd_view ];
    [ qd_view release ];
    [ window makeKeyAndOrderFront:nil ];
    
    /* Careful here, the window seems to have to be onscreen to do that */
    LockPortBits ( [ qd_view qdPort ] );
    screen_pixels = GetPixBaseAddr ( GetPortPixMap ( [ qd_view qdPort ] ) );
    screen_pitch  = GetPixRowBytes ( GetPortPixMap ( [ qd_view qdPort ] ) );
    UnlockPortBits ( [ qd_view qdPort ] );
    { 
            int vOffset = [ window frame ].size.height - 
                [ qd_view frame ].size.height - [ qd_view frame ].origin.y;
            
            int hOffset = [ qd_view frame ].origin.x;
                    
            screen_pixels += (vOffset * screen_pitch) + hOffset * (device_bpp/8);
    }
    ds->data = screen_pixels;
    ds->linesize = screen_pitch;
    ds->depth = device_bpp;
    ds->width = w;
    ds->height = h;
    
    current_ds = *ds;
}

/*
 ------------------------------------------------------
    keymap conversion
 ------------------------------------------------------
*/

int keymap[] =
{
//  SdlI    macI    macH    SdlH    104xtH  104xtC  sdl
    30, //  0       0x00    0x1e            A       QZ_a
    31, //  1       0x01    0x1f            S       QZ_s
    32, //  2       0x02    0x20            D       QZ_d
    33, //  3       0x03    0x21            F       QZ_f
    35, //  4       0x04    0x23            H       QZ_h
    34, //  5       0x05    0x22            G       QZ_g
    44, //  6       0x06    0x2c            Z       QZ_z
    45, //  7       0x07    0x2d            X       QZ_x
    46, //  8       0x08    0x2e            C       QZ_c
    47, //  9       0x09    0x2f            V       QZ_v
    0,  //  10      0x0A    Undefined
    48, //  11      0x0B    0x30            B       QZ_b
    16, //  12      0x0C    0x10            Q       QZ_q
    17, //  13      0x0D    0x11            W       QZ_w
    18, //  14      0x0E    0x12            E       QZ_e
    19, //  15      0x0F    0x13            R       QZ_r
    21, //  16      0x10    0x15            Y       QZ_y
    20, //  17      0x11    0x14            T       QZ_t
    2,  //  18      0x12    0x02            1       QZ_1
    3,  //  19      0x13    0x03            2       QZ_2
    4,  //  20      0x14    0x04            3       QZ_3
    5,  //  21      0x15    0x05            4       QZ_4
    7,  //  22      0x16    0x07            6       QZ_6
    6,  //  23      0x17    0x06            5       QZ_5
    13, //  24      0x18    0x0d            =       QZ_EQUALS
    10, //  25      0x19    0x0a            9       QZ_9
    8,  //  26      0x1A    0x08            7       QZ_7
    12, //  27      0x1B    0x0c            -       QZ_MINUS
    9,  //  28      0x1C    0x09            8       QZ_8
    11, //  29      0x1D    0x0b            0       QZ_0
    27, //  30      0x1E    0x1b            ]       QZ_RIGHTBRACKET
    24, //  31      0x1F    0x18            O       QZ_o
    22, //  32      0x20    0x16            U       QZ_u
    26, //  33      0x21    0x1a            [       QZ_LEFTBRACKET
    23, //  34      0x22    0x17            I       QZ_i
    25, //  35      0x23    0x19            P       QZ_p
    28, //  36      0x24    0x1c            ENTER   QZ_RETURN
    38, //  37      0x25    0x26            L       QZ_l
    36, //  38      0x26    0x24            J       QZ_j
    40, //  39      0x27    0x28            '       QZ_QUOTE
    37, //  40      0x28    0x25            K       QZ_k
    39, //  41      0x29    0x27            ;       QZ_SEMICOLON
    43, //  42      0x2A    0x2b            \       QZ_BACKSLASH
    51, //  43      0x2B    0x33            ,       QZ_COMMA
    53, //  44      0x2C    0x35            /       QZ_SLASH
    49, //  45      0x2D    0x31            N       QZ_n
    50, //  46      0x2E    0x32            M       QZ_m
    52, //  47      0x2F    0x34            .       QZ_PERIOD
    15, //  48      0x30    0x0f            TAB     QZ_TAB
    57, //  49      0x31    0x39            SPACE   QZ_SPACE
    41, //  50      0x32    0x29            `       QZ_BACKQUOTE
    14, //  51      0x33    0x0e            BKSP    QZ_BACKSPACE
    0,  //  52      0x34    Undefined
    1,  //  53      0x35    0x01            ESC     QZ_ESCAPE
    0,  //  54      0x36                            QZ_RMETA
    0,  //  55      0x37                            QZ_LMETA
    42, //  56      0x38    0x2a            L SHFT  QZ_LSHIFT
    58, //  57      0x39    0x3a            CAPS    QZ_CAPSLOCK
    56, //  58      0x3A    0x38            L ALT   QZ_LALT
    29, //  59      0x3B    0x1d            L CTRL  QZ_LCTRL
    54, //  60      0x3C    0x36            R SHFT  QZ_RSHIFT
    184,//  61      0x3D    0xb8    E0,38   R ALT   QZ_RALT
    157,//  62      0x3E    0x9d    E0,1D   R CTRL  QZ_RCTRL
    0,  //  63      0x3F    Undefined
    0,  //  64      0x40    Undefined
    0,  //  65      0x41    Undefined
    0,  //  66      0x42    Undefined
    55, //  67      0x43    0x37            KP *    QZ_KP_MULTIPLY
    0,  //  68      0x44    Undefined
    78, //  69      0x45    0x4e            KP +    QZ_KP_PLUS
    0,  //  70      0x46    Undefined
    69, //  71      0x47    0x45            NUM     QZ_NUMLOCK
    0,  //  72      0x48    Undefined
    0,  //  73      0x49    Undefined
    0,  //  74      0x4A    Undefined
    181,//  75      0x4B    0xb5    E0,35   KP /    QZ_KP_DIVIDE
    152,//  76      0x4C    0x9c    E0,1C   KP EN   QZ_KP_ENTER
    0,  //  77      0x4D    undefined
    74, //  78      0x4E    0x4a            KP -    QZ_KP_MINUS
    0,  //  79      0x4F    Undefined
    0,  //  80      0x50    Undefined
    0,  //  81      0x51                            QZ_KP_EQUALS
    82, //  82      0x52    0x52            KP 0    QZ_KP0
    79, //  83      0x53    0x4f            KP 1    QZ_KP1
    80, //  84      0x54    0x50            KP 2    QZ_KP2
    81, //  85      0x55    0x51            KP 3    QZ_KP3
    75, //  86      0x56    0x4b            KP 4    QZ_KP4
    76, //  87      0x57    0x4c            KP 5    QZ_KP5
    77, //  88      0x58    0x4d            KP 6    QZ_KP6
    71, //  89      0x59    0x47            KP 7    QZ_KP7
    0,  //  90      0x5A    Undefined
    72, //  91      0x5B    0x48            KP 8    QZ_KP8
    73, //  92      0x5C    0x49            KP 9    QZ_KP9
    0,  //  93      0x5D    Undefined
    0,  //  94      0x5E    Undefined
    0,  //  95      0x5F    Undefined
    63, //  96      0x60    0x3f            F5      QZ_F5
    64, //  97      0x61    0x40            F6      QZ_F6
    65, //  98      0x62    0x41            F7      QZ_F7
    61, //  99      0x63    0x3d            F3      QZ_F3
    66, //  100     0x64    0x42            F8      QZ_F8
    67, //  101     0x65    0x43            F9      QZ_F9
    0,  //  102     0x66    Undefined
    87, //  103     0x67    0x57            F11     QZ_F11
    0,  //  104     0x68    Undefined
    183,//  105     0x69    0xb7            QZ_PRINT
    0,  //  106     0x6A    Undefined
    70, //  107     0x6B    0x46            SCROLL  QZ_SCROLLOCK
    0,  //  108     0x6C    Undefined
    68, //  109     0x6D    0x44            F10     QZ_F10
    0,  //  110     0x6E    Undefined
    88, //  111     0x6F    0x58            F12     QZ_F12
    0,  //  112     0x70    Undefined
    110,//  113     0x71    0x0                     QZ_PAUSE
    210,//  114     0x72    0xd2    E0,52   INSERT  QZ_INSERT
    199,//  115     0x73    0xc7    E0,47   HOME    QZ_HOME
    201,//  116     0x74    0xc9    E0,49   PG UP   QZ_PAGEUP
    211,//  117     0x75    0xd3    E0,53   DELETE  QZ_DELETE
    62, //  118     0x76    0x3e            F4      QZ_F4
    207,//  119     0x77    0xcf    E0,4f   END     QZ_END
    60, //  120     0x78    0x3c            F2      QZ_F2
    209,//  121     0x79    0xd1    E0,51   PG DN   QZ_PAGEDOWN
    59, //  122     0x7A    0x3b            F1      QZ_F1
    203,//  123     0x7B    0xcb    e0,4B   L ARROW QZ_LEFT
    205,//  124     0x7C    0xcd    e0,4D   R ARROW QZ_RIGHT