nkeynes@964: /**
nkeynes@964:  * $Id$
nkeynes@964:  *
nkeynes@964:  * The OS/X side of the video support (responsible for actually displaying / 
nkeynes@964:  * rendering frames)
nkeynes@964:  *
nkeynes@964:  * Copyright (c) 2008 Nathan Keynes.
nkeynes@964:  *
nkeynes@964:  * This program is free software; you can redistribute it and/or modify
nkeynes@964:  * it under the terms of the GNU General Public License as published by
nkeynes@964:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@964:  * (at your option) any later version.
nkeynes@964:  *
nkeynes@964:  * This program is distributed in the hope that it will be useful,
nkeynes@964:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@964:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@964:  * GNU General Public License for more details.
nkeynes@964:  */
nkeynes@964: 
nkeynes@964: #include <stdlib.h>
nkeynes@964: #include <string.h>
nkeynes@964: #include "lxdream.h"
nkeynes@964: #include "display.h"
nkeynes@964: #include "dckeysyms.h"
nkeynes@964: #include "cocoaui/cocoaui.h"
nkeynes@964: #include "drivers/video_nsgl.h"
nkeynes@964: #include "drivers/video_gl.h"
nkeynes@964: #include "pvr2/pvr2.h"
nkeynes@964: #import <AppKit/AppKit.h>
nkeynes@964: 
nkeynes@1086: #include "drivers/mac_keymap.h"
nkeynes@964: 
nkeynes@964: #define MOUSE_X_SCALE 5
nkeynes@964: #define MOUSE_Y_SCALE 5
nkeynes@964: 
nkeynes@964: static gboolean video_osx_init();
nkeynes@964: static void video_osx_shutdown();
nkeynes@964: static void video_osx_display_blank( uint32_t colour );
nkeynes@964: static uint16_t video_osx_resolve_keysym( const gchar *keysym );
nkeynes@964: static uint16_t video_osx_keycode_to_dckeysym(uint16_t keycode);
nkeynes@964: static gchar *video_osx_keycode_to_keysym(uint16_t keycode);
nkeynes@964: 
nkeynes@964: struct display_driver display_osx_driver = { 
nkeynes@964:         "osx",
nkeynes@964:         N_("OS X Cocoa GUI-based OpenGL driver"),
nkeynes@964:         video_osx_init, video_osx_shutdown,
nkeynes@964:         video_osx_resolve_keysym,
nkeynes@964:         video_osx_keycode_to_dckeysym,
nkeynes@964:         video_osx_keycode_to_keysym,
nkeynes@964:         NULL, NULL, NULL, NULL, NULL,
nkeynes@964:         NULL,
nkeynes@964:         video_osx_display_blank, NULL };
nkeynes@964: 
nkeynes@964: 
nkeynes@964: static NSView *video_view = NULL;
nkeynes@964: int video_width = 640;
nkeynes@964: int video_height = 480;
nkeynes@964: 
nkeynes@964: #define MAX_MASK_KEYCODE 128
nkeynes@964: 
nkeynes@964: @interface LxdreamOSXView : LxdreamVideoView
nkeynes@964: {
nkeynes@964:     int flagsMask[MAX_MASK_KEYCODE];
nkeynes@964: }
nkeynes@964: @end
nkeynes@964: 
nkeynes@964: @implementation LxdreamVideoView
nkeynes@964: - (void)setIsGrabbed: (BOOL)grabbed
nkeynes@964: {
nkeynes@964:     isGrabbed = grabbed;
nkeynes@964: }
nkeynes@964: - (void) setDelegate: (id)other
nkeynes@964: {
nkeynes@964:     delegate = other;
nkeynes@964: }
nkeynes@964: - (id)delegate 
nkeynes@964: {
nkeynes@964:     return delegate;
nkeynes@964: }
nkeynes@964: @end
nkeynes@964: 
nkeynes@964: @implementation LxdreamOSXView
nkeynes@964: //--------------------------------------------------------------------
nkeynes@964: - (id)initWithFrame: (NSRect)contentRect
nkeynes@964: {
nkeynes@964:     if( [super initWithFrame: contentRect] != nil ) {
nkeynes@964:         int i;
nkeynes@964:         isGrabbed = NO;
nkeynes@964:         for( i=0; i<MAX_MASK_KEYCODE; i++ ) {
nkeynes@964:             flagsMask[i] = 0;
nkeynes@964:         }
nkeynes@964:         return self;
nkeynes@964:     }
nkeynes@964:     return nil;
nkeynes@964: }
nkeynes@964: - (BOOL)requestGrab
nkeynes@964: {
nkeynes@964:     if( delegate && [delegate respondsToSelector: @selector(viewRequestedGrab:)] )
nkeynes@964:         return [delegate performSelector: @selector(viewRequestedGrab:) withObject: self] != nil;
nkeynes@964:     return NO;
nkeynes@964: }
nkeynes@964: - (BOOL)requestUngrab
nkeynes@964: {
nkeynes@964:     if( delegate && [delegate respondsToSelector: @selector(viewRequestedUngrab:)] )
nkeynes@964:         return [delegate performSelector: @selector(viewRequestedUngrab:) withObject: self] != nil;
nkeynes@964:     return NO;
nkeynes@964: }
nkeynes@964: - (BOOL)isOpaque
nkeynes@964: {
nkeynes@964:     return YES;
nkeynes@964: }
nkeynes@964: - (BOOL)acceptsFirstResponder
nkeynes@964: {
nkeynes@964:     return YES;
nkeynes@964: }
nkeynes@964: - (BOOL)isFlipped
nkeynes@964: {
nkeynes@964:     return YES;
nkeynes@964: }
nkeynes@964: //--------------------------------------------------------------------
nkeynes@964: - (void)drawRect: (NSRect) rect
nkeynes@964: {
nkeynes@964:     NSSize size = [self frame].size;
nkeynes@964:     if( video_width != size.width || video_height != size.height ) {
nkeynes@964:         video_width = size.width;
nkeynes@964:         video_height = size.height;
nkeynes@964:         video_nsgl_update();
nkeynes@964:     }
nkeynes@1076:     pvr2_draw_frame();
nkeynes@964: }
nkeynes@964: - (void)keyDown: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     if( ![event isARepeat] ) {
nkeynes@1010:         input_event_keydown( NULL, [event keyCode]+1, MAX_PRESSURE );
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: - (void)keyUp: (NSEvent *) event
nkeynes@964: {
nkeynes@1010:     input_event_keyup( NULL, [event keyCode]+1 );
nkeynes@964: }
nkeynes@964: - (void)flagsChanged: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     int keycode = [event keyCode];
nkeynes@964:     if( ([event modifierFlags] & NSControlKeyMask) && ([event modifierFlags] & NSAlternateKeyMask) ) {
nkeynes@964:         [self requestUngrab];
nkeynes@964:     }
nkeynes@964: 
nkeynes@964:     if( flagsMask[keycode] == 0 ) {
nkeynes@1010:         input_event_keydown( NULL, keycode+1, MAX_PRESSURE );
nkeynes@964:         flagsMask[keycode] = 1;
nkeynes@964:     } else {
nkeynes@1010:         input_event_keyup( NULL, keycode+1 );
nkeynes@964:         flagsMask[keycode] = 0;
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: - (void)emitMouseDownEvent: (NSEvent *)event button: (int)button
nkeynes@964: {
nkeynes@964:     if( isGrabbed ) {
nkeynes@964:         input_event_mousedown( button, 0, 0, FALSE );
nkeynes@964:     } else {
nkeynes@964:         NSPoint pt = [event locationInWindow];
nkeynes@964:         int x = (int)pt.x;
nkeynes@964:         int y = video_height - (int)pt.y;
nkeynes@964:         gl_window_to_system_coords(&x,&y);
nkeynes@964:         input_event_mousedown( button, x, y, TRUE ); 
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: - (void)emitMouseUpEvent: (NSEvent *)event button: (int)button
nkeynes@964: {
nkeynes@964:     if( isGrabbed ) {
nkeynes@964:         input_event_mouseup( button, 0, 0, FALSE );
nkeynes@964:     } else {
nkeynes@964:         NSPoint pt = [event locationInWindow];
nkeynes@964:         int x = (int)pt.x;
nkeynes@964:         int y = video_height - (int)pt.y;
nkeynes@964:         gl_window_to_system_coords(&x,&y);
nkeynes@964:         input_event_mouseup( button, x, y, TRUE ); 
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: - (void)emitMouseMoveEvent: (NSEvent *)event
nkeynes@964: {
nkeynes@964:     if( isGrabbed ) {
nkeynes@964:         input_event_mousemove( [event deltaX] * MOUSE_X_SCALE, [event deltaY] * MOUSE_Y_SCALE, FALSE );
nkeynes@964:     } else {
nkeynes@964:         NSPoint pt = [event locationInWindow];
nkeynes@964:         int x = (int)pt.x;
nkeynes@964:         int y = video_height - (int)pt.y;
nkeynes@964:         gl_window_to_system_coords(&x,&y);
nkeynes@964:         input_event_mousemove( x, y, TRUE ); 
nkeynes@964:     }    
nkeynes@964: }
nkeynes@964: - (void)mouseExited: (NSEvent *)event
nkeynes@964: {
nkeynes@964:     if( !isGrabbed ) {
nkeynes@964:         input_event_mousemove( -1, -1, TRUE );
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: 
nkeynes@964: - (void)mouseDown: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     // If using grab but not grabbed yet, the first click should be consumed
nkeynes@964:     // by the grabber. In all other circumstances we process normally.
nkeynes@964:     if( isGrabbed || ![self requestGrab] ) {
nkeynes@964:         [self emitMouseDownEvent: event button: 0];
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: - (void)mouseUp: (NSEvent *)event
nkeynes@964: {
nkeynes@964:     [self emitMouseUpEvent: event button: 0];
nkeynes@964: }
nkeynes@964: 
nkeynes@964: - (void)rightMouseDown: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseDownEvent: event button: 1];
nkeynes@964: }
nkeynes@964: - (void)rightMouseUp: (NSEvent *)event
nkeynes@964: {
nkeynes@964:     [self emitMouseUpEvent: event button: 1];
nkeynes@964: }
nkeynes@964: - (void)otherMouseDown: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseDownEvent: event button: [event buttonNumber]];
nkeynes@964: }
nkeynes@964: - (void)otherMouseUp: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseUpEvent: event button: [event buttonNumber]];
nkeynes@964: }
nkeynes@964: - (void)mouseMoved: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseMoveEvent: event];
nkeynes@964: }
nkeynes@964: - (void)mouseDragged: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseMoveEvent: event];
nkeynes@964: }
nkeynes@964: - (void)rightMouseDragged: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseMoveEvent: event];
nkeynes@964: }
nkeynes@964: - (void)otherMouseDragged: (NSEvent *) event
nkeynes@964: {
nkeynes@964:     [self emitMouseMoveEvent: event];
nkeynes@964: }
nkeynes@964: 
nkeynes@964: @end
nkeynes@964: 
nkeynes@964: NSView *video_osx_create_drawable()
nkeynes@964: {
nkeynes@964:     NSRect contentRect = {{0,0},{640,480}};
nkeynes@964:     video_view = [[LxdreamOSXView alloc] initWithFrame: contentRect];
nkeynes@964:     [video_view setAutoresizingMask: (NSViewWidthSizable|NSViewHeightSizable)];
nkeynes@964:     return video_view;
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static gboolean video_osx_init()
nkeynes@964: {
nkeynes@964:     if( video_view == NULL ) {
nkeynes@964:         return FALSE;
nkeynes@964:     }
nkeynes@964:     if( !video_nsgl_init_driver(video_view, &display_osx_driver) ) {
nkeynes@964:         return FALSE;
nkeynes@964:     }
nkeynes@964:     pvr2_setup_gl_context();
nkeynes@964:     return TRUE;
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static void video_osx_shutdown()
nkeynes@964: {
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static void video_osx_display_blank( uint32_t colour )
nkeynes@964: {
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static int mac_keymap_cmp(const void *a, const void *b)
nkeynes@964: {
nkeynes@964:     const gchar *key = a;
nkeynes@964:     const struct mac_keymap_struct *kb = b;
nkeynes@964:     return strcasecmp(key, kb->name);
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static uint16_t video_osx_resolve_keysym( const gchar *keysym )
nkeynes@964: {
nkeynes@964:     struct mac_keymap_struct *result = bsearch( keysym, mac_keysyms, mac_keysym_count, sizeof(struct mac_keymap_struct), mac_keymap_cmp );
nkeynes@964:     if( result == NULL ) {
nkeynes@964:         return 0;
nkeynes@964:     } else {
nkeynes@964:         return result->keycode + 1;
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static uint16_t video_osx_keycode_to_dckeysym(uint16_t keycode)
nkeynes@964: {
nkeynes@964:     if( keycode < 1 || keycode > 128 ) {
nkeynes@964:         return DCKB_NONE;
nkeynes@964:     } else {
nkeynes@964:         return mac_keycode_to_dckeysym[keycode-1];
nkeynes@964:     }
nkeynes@964: }
nkeynes@964: 
nkeynes@964: static gchar *video_osx_keycode_to_keysym(uint16_t keycode)
nkeynes@964: {
nkeynes@964:     if( keycode < 1 || keycode > 128 ) {
nkeynes@964:         return NULL;
nkeynes@964:     } else {
nkeynes@964:         return g_strdup(mac_keysyms_by_keycode[keycode-1]);
nkeynes@964:     }
nkeynes@964: }