nkeynes@681: /**
nkeynes@681:  * $Id$
nkeynes@681:  *
nkeynes@681:  * The OS/X side of the video support (responsible for actually displaying / 
nkeynes@681:  * rendering frames)
nkeynes@681:  *
nkeynes@681:  * Copyright (c) 2008 Nathan Keynes.
nkeynes@681:  *
nkeynes@681:  * This program is free software; you can redistribute it and/or modify
nkeynes@681:  * it under the terms of the GNU General Public License as published by
nkeynes@681:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@681:  * (at your option) any later version.
nkeynes@681:  *
nkeynes@681:  * This program is distributed in the hope that it will be useful,
nkeynes@681:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@681:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@681:  * GNU General Public License for more details.
nkeynes@681:  */
nkeynes@681: 
nkeynes@681: #include <stdlib.h>
nkeynes@681: #include <string.h>
nkeynes@681: #include "lxdream.h"
nkeynes@681: #include "display.h"
nkeynes@681: #include "dckeysyms.h"
nkeynes@681: #include "cocoaui/cocoaui.h"
nkeynes@681: #include "drivers/video_nsgl.h"
nkeynes@681: #include "drivers/video_gl.h"
nkeynes@681: #include "pvr2/pvr2.h"
nkeynes@681: #import <AppKit/AppKit.h>
nkeynes@681: 
nkeynes@681: #include "mac_keymap.h"
nkeynes@681: 
nkeynes@681: static gboolean video_osx_init();
nkeynes@681: static void video_osx_shutdown();
nkeynes@681: static void video_osx_display_blank( uint32_t colour );
nkeynes@681: static uint16_t video_osx_resolve_keysym( const gchar *keysym );
nkeynes@681: static uint16_t video_osx_keycode_to_dckeysym(uint16_t keycode);
nkeynes@681: 
nkeynes@700: struct display_driver display_osx_driver = { 
nkeynes@700:         "osx",
nkeynes@700:         N_("OS X Cocoa GUI-based OpenGL driver"),
nkeynes@700:         video_osx_init, video_osx_shutdown,
nkeynes@700:         video_osx_resolve_keysym,
nkeynes@700:         video_osx_keycode_to_dckeysym,
nkeynes@700:         NULL,
nkeynes@700:         NULL, NULL, NULL, NULL, NULL, 
nkeynes@700:         video_osx_display_blank, NULL };
nkeynes@681: 
nkeynes@681: 
nkeynes@681: static NSView *video_view = NULL;
nkeynes@681: int video_width = 640;
nkeynes@681: int video_height = 480;
nkeynes@681: 
nkeynes@681: #define MAX_MASK_KEYCODE 128
nkeynes@681: 
nkeynes@681: @interface LxdreamVideoView : NSView
nkeynes@681: {
nkeynes@681:     BOOL isGrabbed;
nkeynes@681:     int buttonMask;
nkeynes@681:     int flagsMask[MAX_MASK_KEYCODE];
nkeynes@681: }
nkeynes@681: - (BOOL)isOpaque;
nkeynes@681: - (BOOL)isFlipped;
nkeynes@681: - (void)drawRect: (NSRect) rect;
nkeynes@681: @end
nkeynes@681: 
nkeynes@681: @implementation LxdreamVideoView
nkeynes@681: //--------------------------------------------------------------------
nkeynes@681: - (id)initWithFrame: (NSRect)contentRect
nkeynes@681: {
nkeynes@681:     if( [super initWithFrame: contentRect] != nil ) {
nkeynes@681:         int i;
nkeynes@681:         isGrabbed = NO;
nkeynes@681:         buttonMask = 0;
nkeynes@681:         for( i=0; i<MAX_MASK_KEYCODE; i++ ) {
nkeynes@681:             flagsMask[i] = 0;
nkeynes@681:         }
nkeynes@681:         return self;
nkeynes@681:     }
nkeynes@681:     return nil;
nkeynes@681: }
nkeynes@681: - (BOOL)isOpaque
nkeynes@681: {
nkeynes@681:    return YES;
nkeynes@681: }
nkeynes@681: - (BOOL)acceptsFirstResponder
nkeynes@681: {
nkeynes@681:    return YES;
nkeynes@681: }
nkeynes@681: - (BOOL)isFlipped
nkeynes@681: {
nkeynes@681:    return YES;
nkeynes@681: }
nkeynes@681: //--------------------------------------------------------------------
nkeynes@681: - (void)drawRect: (NSRect) rect
nkeynes@681: {
nkeynes@681:     NSSize size = [self frame].size;
nkeynes@681:     if( video_width != size.width || video_height != size.height ) {
nkeynes@681:         video_width = size.width;
nkeynes@681:         video_height = size.height;
nkeynes@681:         video_nsgl_update();
nkeynes@681:     }
nkeynes@681:     pvr2_redraw_display();
nkeynes@681: }
nkeynes@681: - (void)keyDown: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( ![event isARepeat] ) {
nkeynes@681:         input_event_keydown( NULL, [event keyCode]+1, 1 );
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)keyUp: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     input_event_keyup( NULL, [event keyCode]+1, 1 );
nkeynes@681: }
nkeynes@681: - (void)flagsChanged: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     int keycode = [event keyCode];
nkeynes@681:     if ( isGrabbed && ([event modifierFlags] & NSControlKeyMask) && ([event modifierFlags] & NSAlternateKeyMask) ) {
nkeynes@681:         // Release the display grab
nkeynes@681:         isGrabbed = NO;
nkeynes@681:         [NSCursor unhide];
nkeynes@681:         CGAssociateMouseAndMouseCursorPosition(YES);
nkeynes@681:         [((LxdreamMainWindow *)[self window]) setIsGrabbed: NO];
nkeynes@681:     }
nkeynes@681:     
nkeynes@681:     if( flagsMask[keycode] == 0 ) {
nkeynes@681:         input_event_keydown( NULL, keycode+1, 1 );
nkeynes@681:         flagsMask[keycode] = 1;
nkeynes@681:     } else {
nkeynes@681:         input_event_keyup( NULL, keycode+1, 1 );
nkeynes@681:         flagsMask[keycode] = 0;
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)mouseDown: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( isGrabbed ) { 
nkeynes@681:         buttonMask |= 1;
nkeynes@681:         input_event_mouse( buttonMask, 0, 0 );
nkeynes@681:     } else { // take display grab
nkeynes@681:         isGrabbed = YES;
nkeynes@681:         [NSCursor hide];
nkeynes@681:         CGAssociateMouseAndMouseCursorPosition(NO);
nkeynes@681:         [((LxdreamMainWindow *)[self window]) setIsGrabbed: YES];
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)mouseUp: (NSEvent *)event
nkeynes@681: {
nkeynes@681:     buttonMask &= ~1;
nkeynes@681:     input_event_mouse( buttonMask, 0, 0 );
nkeynes@681: }
nkeynes@681: 
nkeynes@681: - (void)rightMouseDown: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     buttonMask |= 2;
nkeynes@681:     input_event_mouse( buttonMask, 0, 0 );
nkeynes@681: }
nkeynes@681: - (void)rightMouseUp: (NSEvent *)event
nkeynes@681: {
nkeynes@681:     buttonMask &= ~2;
nkeynes@681:     input_event_mouse( buttonMask, 0, 0 );
nkeynes@681: }
nkeynes@681: - (void)otherMouseDown: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     buttonMask |= (1<< [event buttonNumber] );
nkeynes@681:     input_event_mouse( buttonMask, 0, 0 );
nkeynes@681: }
nkeynes@681: - (void)otherMouseUp: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     buttonMask &= ~(1<< [event buttonNumber] );
nkeynes@681:     input_event_mouse( buttonMask, 0, 0 );
nkeynes@681: }
nkeynes@681: - (void)mouseMoved: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( isGrabbed ) {
nkeynes@681:         input_event_mouse( buttonMask, [event deltaX], [event deltaY] );
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)mouseDragged: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( isGrabbed ) {
nkeynes@681:         input_event_mouse( buttonMask, [event deltaX], [event deltaY] );
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)rightMouseDragged: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( isGrabbed ) {
nkeynes@681:         input_event_mouse( buttonMask, [event deltaX], [event deltaY] );
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: - (void)otherMouseDragged: (NSEvent *) event
nkeynes@681: {
nkeynes@681:     if( isGrabbed ) {
nkeynes@681:         input_event_mouse( buttonMask, [event deltaX], [event deltaY] );
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: 
nkeynes@681: @end
nkeynes@681: 
nkeynes@681: NSView *video_osx_create_drawable()
nkeynes@681: {
nkeynes@681:     NSRect contentRect = {{0,0},{640,480}};
nkeynes@681:     video_view = [[LxdreamVideoView alloc] initWithFrame: contentRect];
nkeynes@681:     [video_view setAutoresizingMask: (NSViewWidthSizable|NSViewHeightSizable)];
nkeynes@681:     return video_view;
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static gboolean video_osx_init()
nkeynes@681: {
nkeynes@681:    if( video_view == NULL ) {
nkeynes@681:       return FALSE;
nkeynes@681:    }
nkeynes@681:    if( !video_nsgl_init_driver(video_view, &display_osx_driver) ) {
nkeynes@681:       return FALSE;
nkeynes@681:    }
nkeynes@681:    pvr2_setup_gl_context();
nkeynes@681:    return TRUE;
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static void video_osx_shutdown()
nkeynes@681: {
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static void video_osx_display_blank( uint32_t colour )
nkeynes@681: {
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static int mac_keymap_cmp(const void *a, const void *b)
nkeynes@681: {
nkeynes@681:     const gchar *key = a;
nkeynes@681:     const struct mac_keymap_struct *kb = b;
nkeynes@681:     return strcasecmp(key, kb->name);
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static uint16_t video_osx_resolve_keysym( const gchar *keysym )
nkeynes@681: {
nkeynes@681:     struct mac_keymap_struct *result = bsearch( keysym, mac_keysyms, mac_keysym_count, sizeof(struct mac_keymap_struct), mac_keymap_cmp );
nkeynes@681:     if( result == NULL ) {
nkeynes@681:         return 0;
nkeynes@681:     } else {
nkeynes@681:         return result->keycode + 1;
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: 
nkeynes@681: static uint16_t video_osx_keycode_to_dckeysym(uint16_t keycode)
nkeynes@681: {
nkeynes@681:     if( keycode < 1 || keycode > 128 ) {
nkeynes@681:         return DCKB_NONE;
nkeynes@681:     } else {
nkeynes@681:         return mac_keycode_to_dckeysym[keycode-1];
nkeynes@681:     }
nkeynes@681: }
nkeynes@681: