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root/cebix/BasiliskII/src/BeOS/video_beos.cpp
Revision: 1.7
Committed: 2001-05-26T12:31:00Z (23 years, 4 months ago) by cebix
Branch: MAIN
CVS Tags: snapshot-29052001, release-0_9-1
Changes since 1.6: +2 -7 lines
Log Message:
"About" window looks nicer

File Contents

# Content
1 /*
2 * video_beos.cpp - Video/graphics emulation, BeOS specific stuff
3 *
4 * Basilisk II (C) 1997-2001 Christian Bauer
5 * Portions (C) 1997-1999 Marc Hellwig
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include <AppKit.h>
23 #include <InterfaceKit.h>
24 #include <GameKit.h>
25
26 #include <stdio.h>
27 #include <string.h>
28
29 #include "sysdeps.h"
30 #include "cpu_emulation.h"
31 #include "main.h"
32 #include "macos_util.h"
33 #include "prefs.h"
34 #include "adb.h"
35 #include "prefs.h"
36 #include "user_strings.h"
37 #include "about_window.h"
38 #include "video.h"
39
40 #include "m68k.h"
41 #include "memory.h"
42 #include "readcpu.h"
43 #include "newcpu.h"
44
45 #define DEBUG 0
46 #include "debug.h"
47
48 #define DEBUGGER_AVAILABLE 0
49
50
51 // Messages
52 const uint32 MSG_REDRAW = 'draw';
53 const uint32 MSG_ABOUT_REQUESTED = B_ABOUT_REQUESTED;
54 const uint32 MSG_REF_5HZ = ' 5Hz';
55 const uint32 MSG_REF_7_5HZ = ' 7Hz';
56 const uint32 MSG_REF_10HZ = '10Hz';
57 const uint32 MSG_REF_15HZ = '15Hz';
58 const uint32 MSG_REF_30HZ = '30Hz';
59 const uint32 MSG_REF_60HZ = '60Hz';
60 const uint32 MSG_MOUNT = 'moun';
61 const uint32 MSG_DEBUGGER = 'dbug';
62
63 // Display types
64 enum {
65 DISPLAY_WINDOW,
66 DISPLAY_SCREEN
67 };
68
69 // From sys_beos.cpp
70 extern void SysCreateVolumeMenu(BMenu *menu, uint32 msg);
71 extern void SysMountVolume(const char *name);
72
73
74 /*
75 * A simple view class for blitting a bitmap on the screen
76 */
77
78 class BitmapView : public BView {
79 public:
80 BitmapView(BRect frame, BBitmap *bitmap) : BView(frame, "bitmap", B_FOLLOW_NONE, B_WILL_DRAW)
81 {
82 the_bitmap = bitmap;
83 }
84 virtual void Draw(BRect update)
85 {
86 DrawBitmap(the_bitmap, update, update);
87 }
88 virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message);
89
90 private:
91 BBitmap *the_bitmap;
92 };
93
94
95 /*
96 * Window class
97 */
98
99 class MacWindow : public BDirectWindow {
100 public:
101 MacWindow(BRect frame);
102 virtual ~MacWindow();
103 virtual void MessageReceived(BMessage *msg);
104 virtual void DirectConnected(direct_buffer_info *info);
105 virtual void WindowActivated(bool active);
106
107 int32 frame_skip;
108 bool mouse_in_view; // Flag: Mouse pointer within bitmap view
109 uint8 remap_mac_be[256]; // For remapping of Mac colors to Be colors
110
111 private:
112 static status_t tick_func(void *arg);
113
114 thread_id tick_thread;
115 bool tick_thread_active; // Flag for quitting the tick thread
116
117 BitmapView *main_view; // Main view for bitmap drawing
118 BBitmap *the_bitmap; // Mac screen bitmap
119 uint8 *the_buffer; // Mac frame buffer
120
121 uint32 old_scroll_lock_state;
122
123 bool supports_direct_mode; // Flag: Direct frame buffer access supported
124 sem_id drawing_sem;
125
126 void *bits;
127 int32 bytes_per_row;
128 color_space pixel_format;
129 bool unclipped;
130 };
131
132
133 /*
134 * Screen class
135 */
136
137 class MacScreen : public BWindowScreen {
138 public:
139 MacScreen(const char *name, int mode_bit, status_t *error);
140 virtual ~MacScreen();
141 virtual void Quit(void);
142 virtual void ScreenConnected(bool active);
143
144 rgb_color palette[256]; // Color palette, 256 entries
145 bool palette_changed;
146
147 private:
148 static status_t tick_func(void *arg);
149
150 thread_id tick_thread;
151 bool tick_thread_active; // Flag for quitting the tick thread
152
153 BView *main_view; // Main view for GetMouse()
154 uint8 *frame_backup; // Frame buffer backup when switching from/to different workspace
155 bool quitting; // Flag for ScreenConnected: We are quitting, don't pause emulator thread
156 bool screen_active;
157 };
158
159
160 // Global variables
161 static int display_type = DISPLAY_WINDOW; // See enum above
162 static MacWindow *the_window = NULL; // Pointer to the window
163 static MacScreen *the_screen = NULL; // Pointer to the screen
164 static sem_id mac_os_lock = -1; // This is used to stop the MacOS thread when the Basilisk workspace is switched out
165 static uint8 MacCursor[68] = {16, 1}; // Mac cursor image
166
167
168 /*
169 * Initialization
170 */
171
172 bool VideoInit(bool classic)
173 {
174 // Create semaphore
175 mac_os_lock = create_sem(0, "MacOS Frame Buffer Lock");
176
177 // Get screen mode from preferences
178 const char *mode_str = PrefsFindString("screen");
179
180 // Determine type and mode
181 display_type = DISPLAY_WINDOW;
182 int width = 512, height = 384;
183 int scr_mode_bit = 0;
184 if (mode_str) {
185 if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
186 display_type = DISPLAY_WINDOW;
187 else if (sscanf(mode_str, "scr/%d", &scr_mode_bit) == 1)
188 display_type = DISPLAY_SCREEN;
189 }
190
191 // Open display
192 switch (display_type) {
193 case DISPLAY_WINDOW:
194 the_window = new MacWindow(BRect(0, 0, width-1, height-1));
195 break;
196 case DISPLAY_SCREEN: {
197 status_t screen_error;
198 the_screen = new MacScreen(GetString(STR_WINDOW_TITLE), scr_mode_bit & 0x1f, &screen_error);
199 if (screen_error != B_NO_ERROR) {
200 the_screen->PostMessage(B_QUIT_REQUESTED);
201 while (the_screen)
202 snooze(200000);
203 ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
204 return false;
205 } else {
206 the_screen->Show();
207 acquire_sem(mac_os_lock);
208 }
209 break;
210 }
211 }
212 return true;
213 }
214
215
216 /*
217 * Deinitialization
218 */
219
220 void VideoExit(void)
221 {
222 // Close display
223 switch (display_type) {
224 case DISPLAY_WINDOW:
225 if (the_window != NULL) {
226 the_window->PostMessage(B_QUIT_REQUESTED);
227 while (the_window)
228 snooze(200000);
229 }
230 break;
231 case DISPLAY_SCREEN:
232 if (the_screen != NULL) {
233 the_screen->PostMessage(B_QUIT_REQUESTED);
234 while (the_screen)
235 snooze(200000);
236 }
237 break;
238 }
239
240 // Delete semaphore
241 delete_sem(mac_os_lock);
242 }
243
244
245 /*
246 * Set palette
247 */
248
249 void video_set_palette(uint8 *pal)
250 {
251 switch (display_type) {
252 case DISPLAY_WINDOW: {
253 BScreen screen(the_window);
254 for (int i=0; i<256; i++)
255 the_window->remap_mac_be[i] = screen.IndexForColor(pal[i*3], pal[i*3+1], pal[i*3+2]);
256 break;
257 }
258 case DISPLAY_SCREEN:
259 for (int i=0; i<256; i++) {
260 the_screen->palette[i].red = pal[i*3];
261 the_screen->palette[i].green = pal[i*3+1];
262 the_screen->palette[i].blue = pal[i*3+2];
263 }
264 the_screen->palette_changed = true;
265 break;
266 }
267 }
268
269
270 /*
271 * Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
272 */
273
274 void VideoQuitFullScreen(void)
275 {
276 D(bug("VideoQuitFullScreen()\n"));
277 if (display_type == DISPLAY_SCREEN) {
278 if (the_screen != NULL) {
279 the_screen->PostMessage(B_QUIT_REQUESTED);
280 while (the_screen)
281 snooze(200000);
282 }
283 }
284 }
285
286
287 /*
288 * Video event handling (not neccessary under BeOS, handled by filter function)
289 */
290
291 void VideoInterrupt(void)
292 {
293 release_sem(mac_os_lock);
294 while (acquire_sem(mac_os_lock) == B_INTERRUPTED) ;
295 }
296
297
298 /*
299 * Filter function for receiving mouse and keyboard events
300 */
301
302 #define MENU_IS_POWER 0
303
304 // Be -> Mac raw keycode translation table
305 static const uint8 keycode2mac[0x80] = {
306 0xff, 0x35, 0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, // inv Esc F1 F2 F3 F4 F5 F6
307 0x62, 0x64, 0x65, 0x6d, 0x67, 0x6f, 0x69, 0x6b, // F7 F8 F9 F10 F11 F12 F13 F14
308 0x71, 0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, // F15 ` 1 2 3 4 5 6
309 0x1a, 0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x33, 0x72, // 7 8 9 0 - = BSP INS
310 0x73, 0x74, 0x47, 0x4b, 0x43, 0x4e, 0x30, 0x0c, // HOM PUP NUM / * - TAB Q
311 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, 0x1f, // W E R T Y U I O
312 0x23, 0x21, 0x1e, 0x2a, 0x75, 0x77, 0x79, 0x59, // P [ ] \ DEL END PDN 7
313 0x5b, 0x5c, 0x45, 0x39, 0x00, 0x01, 0x02, 0x03, // 8 9 + CAP A S D F
314 0x05, 0x04, 0x26, 0x28, 0x25, 0x29, 0x27, 0x24, // G H J K L ; ' RET
315 0x56, 0x57, 0x58, 0x38, 0x06, 0x07, 0x08, 0x09, // 4 5 6 SHL Z X C V
316 0x0b, 0x2d, 0x2e, 0x2b, 0x2f, 0x2c, 0x38, 0x3e, // B N M , . / SHR CUP
317 0x53, 0x54, 0x55, 0x4c, 0x36, 0x37, 0x31, 0x37, // 1 2 3 ENT CTL ALT SPC ALT
318 0x36, 0x3b, 0x3d, 0x3c, 0x52, 0x41, 0x3a, 0x3a, // CTR CLF CDN CRT 0 . CMD CMD
319 #if MENU_IS_POWER
320 0x7f, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
321 #else
322 0x32, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
323 #endif
324 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
325 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
326 };
327
328 static const uint8 modifier2mac[0x20] = {
329 #if MENU_IS_POWER
330 0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x7f, // SHF CMD inv CAP F14 NUM OPT MNU
331 #else
332 0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x32, // SHF CMD CTR CAP F14 NUM OPT MNU
333 #endif
334 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
335 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
336 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
337 };
338
339 static filter_result filter_func(BMessage *msg, BHandler **target, BMessageFilter *filter)
340 {
341 switch (msg->what) {
342 case B_KEY_DOWN:
343 case B_KEY_UP: {
344 uint32 be_code = msg->FindInt32("key") & 0xff;
345 uint32 mac_code = keycode2mac[be_code];
346
347 // Intercept Ctrl-F1 (mount floppy disk shortcut)
348 uint32 mods = msg->FindInt32("modifiers");
349 if (be_code == 0x02 && (mods & B_CONTROL_KEY))
350 SysMountVolume("/dev/disk/floppy/raw");
351
352 if (mac_code == 0xff)
353 return B_DISPATCH_MESSAGE;
354 if (msg->what == B_KEY_DOWN)
355 ADBKeyDown(mac_code);
356 else
357 ADBKeyUp(mac_code);
358 return B_SKIP_MESSAGE;
359 }
360
361 case B_MODIFIERS_CHANGED: {
362 uint32 mods = msg->FindInt32("modifiers");
363 uint32 old_mods = msg->FindInt32("be:old_modifiers");
364 uint32 changed = mods ^ old_mods;
365 uint32 mask = 1;
366 for (int i=0; i<32; i++, mask<<=1)
367 if (changed & mask) {
368 uint32 mac_code = modifier2mac[i];
369 if (mac_code == 0xff)
370 continue;
371 if (mods & mask)
372 ADBKeyDown(mac_code);
373 else
374 ADBKeyUp(mac_code);
375 }
376 return B_SKIP_MESSAGE;
377 }
378
379 case B_MOUSE_MOVED: {
380 BPoint point;
381 msg->FindPoint("where", &point);
382 ADBMouseMoved(int(point.x), int(point.y));
383 return B_DISPATCH_MESSAGE; // Otherwise BitmapView::MouseMoved() wouldn't be called
384 }
385
386 case B_MOUSE_DOWN: {
387 uint32 buttons = msg->FindInt32("buttons");
388 if (buttons & B_PRIMARY_MOUSE_BUTTON)
389 ADBMouseDown(0);
390 if (buttons & B_SECONDARY_MOUSE_BUTTON)
391 ADBMouseDown(1);
392 if (buttons & B_TERTIARY_MOUSE_BUTTON)
393 ADBMouseDown(2);
394 return B_SKIP_MESSAGE;
395 }
396
397 case B_MOUSE_UP: // B_MOUSE_UP means "all buttons released"
398 ADBMouseUp(0);
399 ADBMouseUp(1);
400 ADBMouseUp(2);
401 return B_SKIP_MESSAGE;
402
403 default:
404 return B_DISPATCH_MESSAGE;
405 }
406 }
407
408
409 /*
410 * Window constructor
411 */
412
413 MacWindow::MacWindow(BRect frame) : BDirectWindow(frame, GetString(STR_WINDOW_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE)
414 {
415 supports_direct_mode = SupportsWindowMode();
416
417 // Move window to right position
418 Lock();
419 MoveTo(80, 60);
420
421 // Allocate bitmap and Mac frame buffer
422 uint32 x = frame.IntegerWidth() + 1;
423 uint32 y = frame.IntegerHeight() + 1;
424 the_bitmap = new BBitmap(frame, B_COLOR_8_BIT);
425 the_buffer = new uint8[x * (y + 2)]; // "y + 2" for safety
426
427 // Set VideoMonitor
428 #if REAL_ADDRESSING
429 VideoMonitor.mac_frame_base = (uint32)the_buffer;
430 #else
431 VideoMonitor.mac_frame_base = MacFrameBaseMac;
432 #endif
433 VideoMonitor.bytes_per_row = x;
434 VideoMonitor.x = x;
435 VideoMonitor.y = y;
436 VideoMonitor.mode = VMODE_8BIT;
437
438 #if !REAL_ADDRESSING
439 // Set variables for UAE memory mapping
440 MacFrameBaseHost = the_buffer;
441 MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y;
442 MacFrameLayout = FLAYOUT_DIRECT;
443 #endif
444
445 // Create bitmap view
446 main_view = new BitmapView(frame, the_bitmap);
447 AddChild(main_view);
448 main_view->MakeFocus();
449
450 // Read frame skip prefs
451 frame_skip = PrefsFindInt32("frameskip");
452 if (frame_skip == 0)
453 frame_skip = 1;
454
455 // Set up menus
456 BRect bounds = Bounds();
457 bounds.OffsetBy(0, bounds.IntegerHeight() + 1);
458 BMenuItem *item;
459 BMenuBar *bar = new BMenuBar(bounds, "menu");
460 BMenu *menu = new BMenu(GetString(STR_WINDOW_MENU));
461 menu->AddItem(new BMenuItem(GetString(STR_WINDOW_ITEM_ABOUT), new BMessage(MSG_ABOUT_REQUESTED)));
462 menu->AddItem(new BSeparatorItem);
463 BMenu *submenu = new BMenu(GetString(STR_WINDOW_ITEM_REFRESH));
464 submenu->AddItem(new BMenuItem(GetString(STR_REF_5HZ_LAB), new BMessage(MSG_REF_5HZ)));
465 submenu->AddItem(new BMenuItem(GetString(STR_REF_7_5HZ_LAB), new BMessage(MSG_REF_7_5HZ)));
466 submenu->AddItem(new BMenuItem(GetString(STR_REF_10HZ_LAB), new BMessage(MSG_REF_10HZ)));
467 submenu->AddItem(new BMenuItem(GetString(STR_REF_15HZ_LAB), new BMessage(MSG_REF_15HZ)));
468 submenu->AddItem(new BMenuItem(GetString(STR_REF_30HZ_LAB), new BMessage(MSG_REF_30HZ)));
469 submenu->AddItem(new BMenuItem(GetString(STR_REF_60HZ_LAB), new BMessage(MSG_REF_60HZ)));
470 submenu->SetRadioMode(true);
471 if (frame_skip == 12) {
472 if ((item = submenu->FindItem(GetString(STR_REF_5HZ_LAB))) != NULL)
473 item->SetMarked(true);
474 } else if (frame_skip == 8) {
475 if ((item = submenu->FindItem(GetString(STR_REF_7_5HZ_LAB))) != NULL)
476 item->SetMarked(true);
477 } else if (frame_skip == 6) {
478 if ((item = submenu->FindItem(GetString(STR_REF_10HZ_LAB))) != NULL)
479 item->SetMarked(true);
480 } else if (frame_skip == 4) {
481 if ((item = submenu->FindItem(GetString(STR_REF_15HZ_LAB))) != NULL)
482 item->SetMarked(true);
483 } else if (frame_skip == 2) {
484 if ((item = submenu->FindItem(GetString(STR_REF_30HZ_LAB))) != NULL)
485 item->SetMarked(true);
486 } else if (frame_skip == 1) {
487 if ((item = submenu->FindItem(GetString(STR_REF_60HZ_LAB))) != NULL)
488 item->SetMarked(true);
489 }
490 menu->AddItem(submenu);
491 submenu = new BMenu(GetString(STR_WINDOW_ITEM_MOUNT));
492 SysCreateVolumeMenu(submenu, MSG_MOUNT);
493 menu->AddItem(submenu);
494 #if DEBUGGER_AVAILABLE
495 menu->AddItem(new BMenuItem("Debugger", new BMessage(MSG_DEBUGGER)));
496 #endif
497 bar->AddItem(menu);
498 AddChild(bar);
499 SetKeyMenuBar(bar);
500 int mbar_height = bar->Frame().IntegerHeight() + 1;
501
502 // Resize window to fit menu bar
503 ResizeBy(0, mbar_height);
504
505 // Set absolute mouse mode and get scroll lock state
506 ADBSetRelMouseMode(false);
507 mouse_in_view = true;
508 old_scroll_lock_state = modifiers() & B_SCROLL_LOCK;
509 if (old_scroll_lock_state)
510 SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
511 else
512 SetTitle(GetString(STR_WINDOW_TITLE));
513
514 // Keep window aligned to 8-byte frame buffer boundaries for faster blitting
515 SetWindowAlignment(B_BYTE_ALIGNMENT, 8);
516
517 // Create drawing semaphore (for direct mode)
518 drawing_sem = create_sem(0, "direct frame buffer access");
519
520 // Start 60Hz interrupt
521 tick_thread_active = true;
522 tick_thread = spawn_thread(tick_func, "Window Redraw", B_DISPLAY_PRIORITY, this);
523 resume_thread(tick_thread);
524
525 // Add filter for keyboard and mouse events
526 BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
527 main_view->AddFilter(filter);
528
529 // Show window
530 Unlock();
531 Show();
532 Sync();
533 }
534
535
536 /*
537 * Window destructor
538 */
539
540 MacWindow::~MacWindow()
541 {
542 // Restore cursor
543 mouse_in_view = false;
544 be_app->SetCursor(B_HAND_CURSOR);
545
546 // Hide window
547 Hide();
548 Sync();
549
550 // Stop 60Hz interrupt
551 status_t l;
552 tick_thread_active = false;
553 delete_sem(drawing_sem);
554 wait_for_thread(tick_thread, &l);
555
556 // Free bitmap and frame buffer
557 delete the_bitmap;
558 delete[] the_buffer;
559
560 // Tell emulator that we're done
561 the_window = NULL;
562 }
563
564
565 /*
566 * Window connected/disconnected
567 */
568
569 void MacWindow::DirectConnected(direct_buffer_info *info)
570 {
571 switch (info->buffer_state & B_DIRECT_MODE_MASK) {
572 case B_DIRECT_STOP:
573 acquire_sem(drawing_sem);
574 break;
575 case B_DIRECT_MODIFY:
576 acquire_sem(drawing_sem);
577 case B_DIRECT_START:
578 bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8);
579 bytes_per_row = info->bytes_per_row;
580 pixel_format = info->pixel_format;
581 unclipped = false;
582 if (info->clip_list_count == 1)
583 if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0)
584 unclipped = true;
585 release_sem(drawing_sem);
586 break;
587 }
588 }
589
590
591 /*
592 * Handle redraw and menu messages
593 */
594
595 void MacWindow::MessageReceived(BMessage *msg)
596 {
597 BMessage *msg2;
598
599 switch (msg->what) {
600 case MSG_REDRAW: {
601
602 // Prevent backlog of messages
603 MessageQueue()->Lock();
604 while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) {
605 MessageQueue()->RemoveMessage(msg2);
606 delete msg2;
607 }
608 MessageQueue()->Unlock();
609
610 // Convert Mac screen buffer to BeOS palette and blit
611 uint8 *source = the_buffer - 1;
612 uint8 *dest = (uint8 *)the_bitmap->Bits() - 1;
613 uint32 length = VideoMonitor.bytes_per_row * VideoMonitor.y;
614 for (int i=0; i<length; i++)
615 *++dest = remap_mac_be[*++source];
616 BRect update_rect = BRect(0, 0, VideoMonitor.x-1, VideoMonitor.y-1);
617 main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect);
618 break;
619 }
620
621 case MSG_ABOUT_REQUESTED: {
622 ShowAboutWindow();
623 break;
624 }
625
626 case MSG_REF_5HZ:
627 PrefsReplaceInt32("frameskip", frame_skip = 12);
628 break;
629
630 case MSG_REF_7_5HZ:
631 PrefsReplaceInt32("frameskip", frame_skip = 8);
632 break;
633
634 case MSG_REF_10HZ:
635 PrefsReplaceInt32("frameskip", frame_skip = 6);
636 break;
637
638 case MSG_REF_15HZ:
639 PrefsReplaceInt32("frameskip", frame_skip = 4);
640 break;
641
642 case MSG_REF_30HZ:
643 PrefsReplaceInt32("frameskip", frame_skip = 2);
644 break;
645
646 case MSG_REF_60HZ:
647 PrefsReplaceInt32("frameskip", frame_skip = 1);
648 break;
649
650 case MSG_MOUNT: {
651 BMenuItem *source = NULL;
652 msg->FindPointer("source", (void **)&source);
653 if (source)
654 SysMountVolume(source->Label());
655 break;
656 }
657
658 #if DEBUGGER_AVAILABLE
659 case MSG_DEBUGGER:
660 extern int debugging;
661 debugging = 1;
662 regs.spcflags |= SPCFLAG_BRK;
663 break;
664 #endif
665
666 default:
667 BDirectWindow::MessageReceived(msg);
668 }
669 }
670
671
672 /*
673 * Window activated/deactivated
674 */
675
676 void MacWindow::WindowActivated(bool active)
677 {
678 if (active) {
679 frame_skip = PrefsFindInt32("frameskip");
680 if (frame_skip == 0)
681 frame_skip = 1;
682 } else
683 frame_skip = 12; // 5Hz in background
684 }
685
686
687 /*
688 * 60Hz interrupt routine
689 */
690
691 status_t MacWindow::tick_func(void *arg)
692 {
693 MacWindow *obj = (MacWindow *)arg;
694 static int tick_counter = 0;
695 while (obj->tick_thread_active) {
696
697 tick_counter++;
698 if (tick_counter >= obj->frame_skip) {
699 tick_counter = 0;
700
701 // Window title is determined by Scroll Lock state
702 uint32 scroll_lock_state = modifiers() & B_SCROLL_LOCK;
703 if (scroll_lock_state != obj->old_scroll_lock_state) {
704 if (scroll_lock_state)
705 obj->SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
706 else
707 obj->SetTitle(GetString(STR_WINDOW_TITLE));
708 obj->old_scroll_lock_state = scroll_lock_state;
709 }
710
711 // Has the Mac started?
712 if (HasMacStarted()) {
713
714 // Yes, set new cursor image if it was changed
715 if (memcmp(MacCursor+4, Mac2HostAddr(0x844), 64)) {
716 Mac2Host_memcpy(MacCursor+4, 0x844, 64); // Cursor image
717 MacCursor[2] = ReadMacInt8(0x885); // Hotspot
718 MacCursor[3] = ReadMacInt8(0x887);
719 be_app->SetCursor(MacCursor);
720 }
721 }
722
723 // Refresh screen unless Scroll Lock is down
724 if (!scroll_lock_state) {
725
726 // If direct frame buffer access is supported and the content area is completely visible,
727 // convert the Mac screen buffer directly. Otherwise, send a message to the window to do
728 // it into a bitmap
729 if (obj->supports_direct_mode) {
730 if (acquire_sem(obj->drawing_sem) != B_NO_ERROR)
731 return 0;
732 if (obj->unclipped && obj->pixel_format == B_CMAP8) {
733 uint8 *source = obj->the_buffer - 1;
734 uint8 *dest = (uint8 *)obj->bits;
735 uint32 bytes_per_row = obj->bytes_per_row;
736 int xsize = VideoMonitor.x;
737 int ysize = VideoMonitor.y;
738 for (int y=0; y<ysize; y++) {
739 uint32 *p = (uint32 *)dest - 1;
740 for (int x=0; x<xsize/4; x++) {
741 #if B_HOST_IS_BENDIAN
742 uint32 c = obj->remap_mac_be[*++source] << 24;
743 c |= obj->remap_mac_be[*++source] << 16;
744 c |= obj->remap_mac_be[*++source] << 8;
745 c |= obj->remap_mac_be[*++source];
746 #else
747 uint32 c = obj->remap_mac_be[*++source];
748 c |= obj->remap_mac_be[*++source] << 8;
749 c |= obj->remap_mac_be[*++source] << 16;
750 c |= obj->remap_mac_be[*++source] << 24;
751 #endif
752 *++p = c;
753 }
754 dest += bytes_per_row;
755 }
756 } else
757 obj->PostMessage(MSG_REDRAW);
758 release_sem(obj->drawing_sem);
759 } else
760 obj->PostMessage(MSG_REDRAW);
761 }
762 }
763 snooze(16666);
764 }
765 return 0;
766 }
767
768
769 /*
770 * Mouse moved in window
771 */
772
773 void BitmapView::MouseMoved(BPoint point, uint32 transit, const BMessage *message)
774 {
775 switch (transit) {
776 case B_ENTERED_VIEW:
777 ((MacWindow *)Window())->mouse_in_view = true;
778 be_app->SetCursor(MacCursor);
779 break;
780 case B_EXITED_VIEW:
781 ((MacWindow *)Window())->mouse_in_view = false;
782 be_app->SetCursor(B_HAND_CURSOR);
783 break;
784 }
785 }
786
787
788 /*
789 * Screen constructor
790 */
791
792 MacScreen::MacScreen(const char *name, int mode_bit, status_t *error) : BWindowScreen(name, 1 << mode_bit, error), tick_thread(-1)
793 {
794 // Set all variables
795 frame_backup = NULL;
796 palette_changed = false;
797 screen_active = false;
798 quitting = false;
799
800 // Set relative mouse mode
801 ADBSetRelMouseMode(true);
802
803 // Create view to get mouse events
804 main_view = new BView(Frame(), NULL, B_FOLLOW_NONE, 0);
805 AddChild(main_view);
806
807 // Start 60Hz interrupt
808 tick_thread_active = true;
809 tick_thread = spawn_thread(tick_func, "Polling sucks...", B_DISPLAY_PRIORITY, this);
810 resume_thread(tick_thread);
811
812 // Add filter for keyboard and mouse events
813 BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
814 AddCommonFilter(filter);
815 }
816
817
818 /*
819 * Screen destructor
820 */
821
822 MacScreen::~MacScreen()
823 {
824 // Stop 60Hz interrupt
825 if (tick_thread > 0) {
826 status_t l;
827 tick_thread_active = false;
828 wait_for_thread(tick_thread, &l);
829 }
830
831 // Tell emulator that we're done
832 the_screen = NULL;
833 }
834
835
836 /*
837 * Screen closed
838 */
839
840 void MacScreen::Quit(void)
841 {
842 // Tell ScreenConnected() that we are quitting
843 quitting = true;
844 BWindowScreen::Quit();
845 }
846
847
848 /*
849 * Screen connected/disconnected
850 */
851
852 void MacScreen::ScreenConnected(bool active)
853 {
854 graphics_card_info *info = CardInfo();
855 screen_active = active;
856
857 if (active == true) {
858
859 // Set VideoMonitor
860 #if REAL_ADDRESSING
861 VideoMonitor.mac_frame_base = (uint32)info->frame_buffer;
862 #else
863 VideoMonitor.mac_frame_base = MacFrameBaseMac;
864 #endif
865 VideoMonitor.bytes_per_row = info->bytes_per_row;
866 VideoMonitor.x = info->width;
867 VideoMonitor.y = info->height;
868 switch (info->bits_per_pixel) {
869 case 8:
870 VideoMonitor.mode = VMODE_8BIT;
871 break;
872 case 15:
873 case 16:
874 VideoMonitor.mode = VMODE_16BIT;
875 break;
876 case 32:
877 VideoMonitor.mode = VMODE_32BIT;
878 break;
879 default:
880 VideoMonitor.mode = VMODE_8BIT;
881 break;
882 }
883
884 #if !REAL_ADDRESSING
885 // Set variables for UAE memory mapping
886 MacFrameBaseHost = (uint8 *)info->frame_buffer;
887 MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y;
888 switch (info->bits_per_pixel) {
889 case 15:
890 MacFrameLayout = FLAYOUT_HOST_555;
891 break;
892 case 16:
893 MacFrameLayout = FLAYOUT_HOST_565;
894 break;
895 case 32:
896 MacFrameLayout = FLAYOUT_HOST_888;
897 break;
898 default:
899 MacFrameLayout = FLAYOUT_DIRECT;
900 break;
901 }
902 #endif
903
904 // Copy from backup store to frame buffer
905 if (frame_backup != NULL) {
906 memcpy(info->frame_buffer, frame_backup, VideoMonitor.bytes_per_row * VideoMonitor.y);
907 delete[] frame_backup;
908 frame_backup = NULL;
909 }
910
911 // Restore palette
912 if (VideoMonitor.mode == VMODE_8BIT)
913 SetColorList(palette);
914
915 // Restart/signal emulator thread
916 release_sem(mac_os_lock);
917
918 } else {
919
920 if (!quitting) {
921
922 // Stop emulator thread
923 acquire_sem(mac_os_lock);
924
925 // Create backup store and save frame buffer
926 frame_backup = new uint8[VideoMonitor.bytes_per_row * VideoMonitor.y];
927 memcpy(frame_backup, info->frame_buffer, VideoMonitor.bytes_per_row * VideoMonitor.y);
928 }
929 }
930 }
931
932
933 /*
934 * Screen 60Hz interrupt routine
935 */
936
937 status_t MacScreen::tick_func(void *arg)
938 {
939 MacScreen *obj = (MacScreen *)arg;
940 while (obj->tick_thread_active) {
941
942 // Wait
943 snooze(16667);
944
945 // Workspace activated? Then poll the mouse and set the palette if needed
946 if (!obj->quitting && obj->LockWithTimeout(200000) == B_OK) {
947 if (obj->screen_active) {
948 BPoint pt;
949 uint32 button = 0;
950 if (obj->palette_changed) {
951 obj->palette_changed = false;
952 obj->SetColorList(obj->palette);
953 }
954 obj->main_view->GetMouse(&pt, &button);
955 set_mouse_position(320, 240);
956 ADBMouseMoved(int(pt.x) - 320, int(pt.y) - 240);
957 if (button & B_PRIMARY_MOUSE_BUTTON)
958 ADBMouseDown(0);
959 if (!(button & B_PRIMARY_MOUSE_BUTTON))
960 ADBMouseUp(0);
961 if (button & B_SECONDARY_MOUSE_BUTTON)
962 ADBMouseDown(1);
963 if (!(button & B_SECONDARY_MOUSE_BUTTON))
964 ADBMouseUp(1);
965 if (button & B_TERTIARY_MOUSE_BUTTON)
966 ADBMouseDown(2);
967 if (!(button & B_TERTIARY_MOUSE_BUTTON))
968 ADBMouseUp(2);
969 }
970 obj->Unlock();
971 }
972 }
973 return 0;
974 }