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root/cebix/BasiliskII/src/BeOS/video_beos.cpp
Revision: 1.8
Committed: 2001-06-27T19:03:36Z (23 years, 5 months ago) by cebix
Branch: MAIN
Changes since 1.7: +60 -33 lines
Log Message:
added infrastructure for resolution/depth switching (currently, all video
drivers only support one mode, the one selected by the user)

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 bool first_time;
158 };
159
160
161 // Global variables
162 static int display_type = DISPLAY_WINDOW; // See enum above
163 static MacWindow *the_window = NULL; // Pointer to the window
164 static MacScreen *the_screen = NULL; // Pointer to the screen
165 static sem_id mac_os_lock = -1; // This is used to stop the MacOS thread when the Basilisk workspace is switched out
166 static uint8 MacCursor[68] = {16, 1}; // Mac cursor image
167
168
169 /*
170 * Initialization
171 */
172
173 // Add resolution to list of supported modes and set VideoMonitor
174 static void set_video_monitor(uint32 width, uint32 height, uint32 bytes_per_row, int depth)
175 {
176 video_mode mode;
177
178 mode.x = width;
179 mode.y = height;
180 mode.resolution_id = 0x80;
181 mode.bytes_per_row = bytes_per_row;
182
183 switch (depth) {
184 case 1:
185 mode.depth = VDEPTH_1BIT;
186 break;
187 case 2:
188 mode.depth = VDEPTH_2BIT;
189 break;
190 case 4:
191 mode.depth = VDEPTH_4BIT;
192 break;
193 case 8:
194 mode.depth = VDEPTH_8BIT;
195 break;
196 case 15:
197 mode.depth = VDEPTH_16BIT;
198 break;
199 case 16:
200 mode.depth = VDEPTH_16BIT;
201 break;
202 case 24:
203 case 32:
204 mode.depth = VDEPTH_32BIT;
205 break;
206 }
207
208 VideoModes.push_back(mode);
209 VideoMonitor.mode = mode;
210 }
211
212
213 bool VideoInit(bool classic)
214 {
215 // Create semaphore
216 mac_os_lock = create_sem(0, "MacOS Frame Buffer Lock");
217
218 // Get screen mode from preferences
219 const char *mode_str = PrefsFindString("screen");
220
221 // Determine type and mode
222 display_type = DISPLAY_WINDOW;
223 int width = 512, height = 384;
224 int scr_mode_bit = 0;
225 if (mode_str) {
226 if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
227 display_type = DISPLAY_WINDOW;
228 else if (sscanf(mode_str, "scr/%d", &scr_mode_bit) == 1)
229 display_type = DISPLAY_SCREEN;
230 }
231
232 // Open display
233 switch (display_type) {
234 case DISPLAY_WINDOW:
235 the_window = new MacWindow(BRect(0, 0, width-1, height-1));
236 break;
237 case DISPLAY_SCREEN: {
238 status_t screen_error;
239 the_screen = new MacScreen(GetString(STR_WINDOW_TITLE), scr_mode_bit & 0x1f, &screen_error);
240 if (screen_error != B_NO_ERROR) {
241 the_screen->PostMessage(B_QUIT_REQUESTED);
242 while (the_screen)
243 snooze(200000);
244 ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
245 return false;
246 } else {
247 the_screen->Show();
248 acquire_sem(mac_os_lock);
249 }
250 break;
251 }
252 }
253 return true;
254 }
255
256
257 /*
258 * Deinitialization
259 */
260
261 void VideoExit(void)
262 {
263 // Close display
264 switch (display_type) {
265 case DISPLAY_WINDOW:
266 if (the_window != NULL) {
267 the_window->PostMessage(B_QUIT_REQUESTED);
268 while (the_window)
269 snooze(200000);
270 }
271 break;
272 case DISPLAY_SCREEN:
273 if (the_screen != NULL) {
274 the_screen->PostMessage(B_QUIT_REQUESTED);
275 while (the_screen)
276 snooze(200000);
277 }
278 break;
279 }
280
281 // Delete semaphore
282 delete_sem(mac_os_lock);
283 }
284
285
286 /*
287 * Set palette
288 */
289
290 void video_set_palette(uint8 *pal)
291 {
292 switch (display_type) {
293 case DISPLAY_WINDOW: {
294 BScreen screen(the_window);
295 for (int i=0; i<256; i++)
296 the_window->remap_mac_be[i] = screen.IndexForColor(pal[i*3], pal[i*3+1], pal[i*3+2]);
297 break;
298 }
299 case DISPLAY_SCREEN:
300 for (int i=0; i<256; i++) {
301 the_screen->palette[i].red = pal[i*3];
302 the_screen->palette[i].green = pal[i*3+1];
303 the_screen->palette[i].blue = pal[i*3+2];
304 }
305 the_screen->palette_changed = true;
306 break;
307 }
308 }
309
310
311 /*
312 * Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
313 */
314
315 void VideoQuitFullScreen(void)
316 {
317 D(bug("VideoQuitFullScreen()\n"));
318 if (display_type == DISPLAY_SCREEN) {
319 if (the_screen != NULL) {
320 the_screen->PostMessage(B_QUIT_REQUESTED);
321 while (the_screen)
322 snooze(200000);
323 }
324 }
325 }
326
327
328 /*
329 * Video event handling (not neccessary under BeOS, handled by filter function)
330 */
331
332 void VideoInterrupt(void)
333 {
334 release_sem(mac_os_lock);
335 while (acquire_sem(mac_os_lock) == B_INTERRUPTED) ;
336 }
337
338
339 /*
340 * Filter function for receiving mouse and keyboard events
341 */
342
343 #define MENU_IS_POWER 0
344
345 // Be -> Mac raw keycode translation table
346 static const uint8 keycode2mac[0x80] = {
347 0xff, 0x35, 0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, // inv Esc F1 F2 F3 F4 F5 F6
348 0x62, 0x64, 0x65, 0x6d, 0x67, 0x6f, 0x69, 0x6b, // F7 F8 F9 F10 F11 F12 F13 F14
349 0x71, 0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, // F15 ` 1 2 3 4 5 6
350 0x1a, 0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x33, 0x72, // 7 8 9 0 - = BSP INS
351 0x73, 0x74, 0x47, 0x4b, 0x43, 0x4e, 0x30, 0x0c, // HOM PUP NUM / * - TAB Q
352 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, 0x1f, // W E R T Y U I O
353 0x23, 0x21, 0x1e, 0x2a, 0x75, 0x77, 0x79, 0x59, // P [ ] \ DEL END PDN 7
354 0x5b, 0x5c, 0x45, 0x39, 0x00, 0x01, 0x02, 0x03, // 8 9 + CAP A S D F
355 0x05, 0x04, 0x26, 0x28, 0x25, 0x29, 0x27, 0x24, // G H J K L ; ' RET
356 0x56, 0x57, 0x58, 0x38, 0x06, 0x07, 0x08, 0x09, // 4 5 6 SHL Z X C V
357 0x0b, 0x2d, 0x2e, 0x2b, 0x2f, 0x2c, 0x38, 0x3e, // B N M , . / SHR CUP
358 0x53, 0x54, 0x55, 0x4c, 0x36, 0x37, 0x31, 0x37, // 1 2 3 ENT CTL ALT SPC ALT
359 0x36, 0x3b, 0x3d, 0x3c, 0x52, 0x41, 0x3a, 0x3a, // CTR CLF CDN CRT 0 . CMD CMD
360 #if MENU_IS_POWER
361 0x7f, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
362 #else
363 0x32, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
364 #endif
365 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
366 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
367 };
368
369 static const uint8 modifier2mac[0x20] = {
370 #if MENU_IS_POWER
371 0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x7f, // SHF CMD inv CAP F14 NUM OPT MNU
372 #else
373 0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x32, // SHF CMD CTR CAP F14 NUM OPT MNU
374 #endif
375 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
376 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
377 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
378 };
379
380 static filter_result filter_func(BMessage *msg, BHandler **target, BMessageFilter *filter)
381 {
382 switch (msg->what) {
383 case B_KEY_DOWN:
384 case B_KEY_UP: {
385 uint32 be_code = msg->FindInt32("key") & 0xff;
386 uint32 mac_code = keycode2mac[be_code];
387
388 // Intercept Ctrl-F1 (mount floppy disk shortcut)
389 uint32 mods = msg->FindInt32("modifiers");
390 if (be_code == 0x02 && (mods & B_CONTROL_KEY))
391 SysMountVolume("/dev/disk/floppy/raw");
392
393 if (mac_code == 0xff)
394 return B_DISPATCH_MESSAGE;
395 if (msg->what == B_KEY_DOWN)
396 ADBKeyDown(mac_code);
397 else
398 ADBKeyUp(mac_code);
399 return B_SKIP_MESSAGE;
400 }
401
402 case B_MODIFIERS_CHANGED: {
403 uint32 mods = msg->FindInt32("modifiers");
404 uint32 old_mods = msg->FindInt32("be:old_modifiers");
405 uint32 changed = mods ^ old_mods;
406 uint32 mask = 1;
407 for (int i=0; i<32; i++, mask<<=1)
408 if (changed & mask) {
409 uint32 mac_code = modifier2mac[i];
410 if (mac_code == 0xff)
411 continue;
412 if (mods & mask)
413 ADBKeyDown(mac_code);
414 else
415 ADBKeyUp(mac_code);
416 }
417 return B_SKIP_MESSAGE;
418 }
419
420 case B_MOUSE_MOVED: {
421 BPoint point;
422 msg->FindPoint("where", &point);
423 ADBMouseMoved(int(point.x), int(point.y));
424 return B_DISPATCH_MESSAGE; // Otherwise BitmapView::MouseMoved() wouldn't be called
425 }
426
427 case B_MOUSE_DOWN: {
428 uint32 buttons = msg->FindInt32("buttons");
429 if (buttons & B_PRIMARY_MOUSE_BUTTON)
430 ADBMouseDown(0);
431 if (buttons & B_SECONDARY_MOUSE_BUTTON)
432 ADBMouseDown(1);
433 if (buttons & B_TERTIARY_MOUSE_BUTTON)
434 ADBMouseDown(2);
435 return B_SKIP_MESSAGE;
436 }
437
438 case B_MOUSE_UP: // B_MOUSE_UP means "all buttons released"
439 ADBMouseUp(0);
440 ADBMouseUp(1);
441 ADBMouseUp(2);
442 return B_SKIP_MESSAGE;
443
444 default:
445 return B_DISPATCH_MESSAGE;
446 }
447 }
448
449
450 /*
451 * Window constructor
452 */
453
454 MacWindow::MacWindow(BRect frame) : BDirectWindow(frame, GetString(STR_WINDOW_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE)
455 {
456 supports_direct_mode = SupportsWindowMode();
457
458 // Move window to right position
459 Lock();
460 MoveTo(80, 60);
461
462 // Allocate bitmap and Mac frame buffer
463 uint32 x = frame.IntegerWidth() + 1;
464 uint32 y = frame.IntegerHeight() + 1;
465 the_bitmap = new BBitmap(frame, B_COLOR_8_BIT);
466 the_buffer = new uint8[x * (y + 2)]; // "y + 2" for safety
467
468 // Add resolution and set VideoMonitor
469 set_video_monitor(x, y, x, 8);
470 #if REAL_ADDRESSING
471 VideoMonitor.mac_frame_base = (uint32)the_buffer;
472 #else
473 VideoMonitor.mac_frame_base = MacFrameBaseMac;
474 #endif
475
476 #if !REAL_ADDRESSING
477 // Set variables for UAE memory mapping
478 MacFrameBaseHost = the_buffer;
479 MacFrameSize = x * y;
480 MacFrameLayout = FLAYOUT_DIRECT;
481 #endif
482
483 // Create bitmap view
484 main_view = new BitmapView(frame, the_bitmap);
485 AddChild(main_view);
486 main_view->MakeFocus();
487
488 // Read frame skip prefs
489 frame_skip = PrefsFindInt32("frameskip");
490 if (frame_skip == 0)
491 frame_skip = 1;
492
493 // Set up menus
494 BRect bounds = Bounds();
495 bounds.OffsetBy(0, bounds.IntegerHeight() + 1);
496 BMenuItem *item;
497 BMenuBar *bar = new BMenuBar(bounds, "menu");
498 BMenu *menu = new BMenu(GetString(STR_WINDOW_MENU));
499 menu->AddItem(new BMenuItem(GetString(STR_WINDOW_ITEM_ABOUT), new BMessage(MSG_ABOUT_REQUESTED)));
500 menu->AddItem(new BSeparatorItem);
501 BMenu *submenu = new BMenu(GetString(STR_WINDOW_ITEM_REFRESH));
502 submenu->AddItem(new BMenuItem(GetString(STR_REF_5HZ_LAB), new BMessage(MSG_REF_5HZ)));
503 submenu->AddItem(new BMenuItem(GetString(STR_REF_7_5HZ_LAB), new BMessage(MSG_REF_7_5HZ)));
504 submenu->AddItem(new BMenuItem(GetString(STR_REF_10HZ_LAB), new BMessage(MSG_REF_10HZ)));
505 submenu->AddItem(new BMenuItem(GetString(STR_REF_15HZ_LAB), new BMessage(MSG_REF_15HZ)));
506 submenu->AddItem(new BMenuItem(GetString(STR_REF_30HZ_LAB), new BMessage(MSG_REF_30HZ)));
507 submenu->AddItem(new BMenuItem(GetString(STR_REF_60HZ_LAB), new BMessage(MSG_REF_60HZ)));
508 submenu->SetRadioMode(true);
509 if (frame_skip == 12) {
510 if ((item = submenu->FindItem(GetString(STR_REF_5HZ_LAB))) != NULL)
511 item->SetMarked(true);
512 } else if (frame_skip == 8) {
513 if ((item = submenu->FindItem(GetString(STR_REF_7_5HZ_LAB))) != NULL)
514 item->SetMarked(true);
515 } else if (frame_skip == 6) {
516 if ((item = submenu->FindItem(GetString(STR_REF_10HZ_LAB))) != NULL)
517 item->SetMarked(true);
518 } else if (frame_skip == 4) {
519 if ((item = submenu->FindItem(GetString(STR_REF_15HZ_LAB))) != NULL)
520 item->SetMarked(true);
521 } else if (frame_skip == 2) {
522 if ((item = submenu->FindItem(GetString(STR_REF_30HZ_LAB))) != NULL)
523 item->SetMarked(true);
524 } else if (frame_skip == 1) {
525 if ((item = submenu->FindItem(GetString(STR_REF_60HZ_LAB))) != NULL)
526 item->SetMarked(true);
527 }
528 menu->AddItem(submenu);
529 submenu = new BMenu(GetString(STR_WINDOW_ITEM_MOUNT));
530 SysCreateVolumeMenu(submenu, MSG_MOUNT);
531 menu->AddItem(submenu);
532 #if DEBUGGER_AVAILABLE
533 menu->AddItem(new BMenuItem("Debugger", new BMessage(MSG_DEBUGGER)));
534 #endif
535 bar->AddItem(menu);
536 AddChild(bar);
537 SetKeyMenuBar(bar);
538 int mbar_height = bar->Frame().IntegerHeight() + 1;
539
540 // Resize window to fit menu bar
541 ResizeBy(0, mbar_height);
542
543 // Set absolute mouse mode and get scroll lock state
544 ADBSetRelMouseMode(false);
545 mouse_in_view = true;
546 old_scroll_lock_state = modifiers() & B_SCROLL_LOCK;
547 if (old_scroll_lock_state)
548 SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
549 else
550 SetTitle(GetString(STR_WINDOW_TITLE));
551
552 // Keep window aligned to 8-byte frame buffer boundaries for faster blitting
553 SetWindowAlignment(B_BYTE_ALIGNMENT, 8);
554
555 // Create drawing semaphore (for direct mode)
556 drawing_sem = create_sem(0, "direct frame buffer access");
557
558 // Start 60Hz interrupt
559 tick_thread_active = true;
560 tick_thread = spawn_thread(tick_func, "Window Redraw", B_DISPLAY_PRIORITY, this);
561 resume_thread(tick_thread);
562
563 // Add filter for keyboard and mouse events
564 BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
565 main_view->AddFilter(filter);
566
567 // Show window
568 Unlock();
569 Show();
570 Sync();
571 }
572
573
574 /*
575 * Window destructor
576 */
577
578 MacWindow::~MacWindow()
579 {
580 // Restore cursor
581 mouse_in_view = false;
582 be_app->SetCursor(B_HAND_CURSOR);
583
584 // Hide window
585 Hide();
586 Sync();
587
588 // Stop 60Hz interrupt
589 status_t l;
590 tick_thread_active = false;
591 delete_sem(drawing_sem);
592 wait_for_thread(tick_thread, &l);
593
594 // Free bitmap and frame buffer
595 delete the_bitmap;
596 delete[] the_buffer;
597
598 // Tell emulator that we're done
599 the_window = NULL;
600 }
601
602
603 /*
604 * Window connected/disconnected
605 */
606
607 void MacWindow::DirectConnected(direct_buffer_info *info)
608 {
609 switch (info->buffer_state & B_DIRECT_MODE_MASK) {
610 case B_DIRECT_STOP:
611 acquire_sem(drawing_sem);
612 break;
613 case B_DIRECT_MODIFY:
614 acquire_sem(drawing_sem);
615 case B_DIRECT_START:
616 bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8);
617 bytes_per_row = info->bytes_per_row;
618 pixel_format = info->pixel_format;
619 unclipped = false;
620 if (info->clip_list_count == 1)
621 if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0)
622 unclipped = true;
623 release_sem(drawing_sem);
624 break;
625 }
626 }
627
628
629 /*
630 * Handle redraw and menu messages
631 */
632
633 void MacWindow::MessageReceived(BMessage *msg)
634 {
635 BMessage *msg2;
636
637 switch (msg->what) {
638 case MSG_REDRAW: {
639
640 // Prevent backlog of messages
641 MessageQueue()->Lock();
642 while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) {
643 MessageQueue()->RemoveMessage(msg2);
644 delete msg2;
645 }
646 MessageQueue()->Unlock();
647
648 // Convert Mac screen buffer to BeOS palette and blit
649 uint8 *source = the_buffer - 1;
650 uint8 *dest = (uint8 *)the_bitmap->Bits() - 1;
651 uint32 length = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
652 for (int i=0; i<length; i++)
653 *++dest = remap_mac_be[*++source];
654 BRect update_rect = BRect(0, 0, VideoMonitor.mode.x-1, VideoMonitor.mode.y-1);
655 main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect);
656 break;
657 }
658
659 case MSG_ABOUT_REQUESTED: {
660 ShowAboutWindow();
661 break;
662 }
663
664 case MSG_REF_5HZ:
665 PrefsReplaceInt32("frameskip", frame_skip = 12);
666 break;
667
668 case MSG_REF_7_5HZ:
669 PrefsReplaceInt32("frameskip", frame_skip = 8);
670 break;
671
672 case MSG_REF_10HZ:
673 PrefsReplaceInt32("frameskip", frame_skip = 6);
674 break;
675
676 case MSG_REF_15HZ:
677 PrefsReplaceInt32("frameskip", frame_skip = 4);
678 break;
679
680 case MSG_REF_30HZ:
681 PrefsReplaceInt32("frameskip", frame_skip = 2);
682 break;
683
684 case MSG_REF_60HZ:
685 PrefsReplaceInt32("frameskip", frame_skip = 1);
686 break;
687
688 case MSG_MOUNT: {
689 BMenuItem *source = NULL;
690 msg->FindPointer("source", (void **)&source);
691 if (source)
692 SysMountVolume(source->Label());
693 break;
694 }
695
696 #if DEBUGGER_AVAILABLE
697 case MSG_DEBUGGER:
698 extern int debugging;
699 debugging = 1;
700 regs.spcflags |= SPCFLAG_BRK;
701 break;
702 #endif
703
704 default:
705 BDirectWindow::MessageReceived(msg);
706 }
707 }
708
709
710 /*
711 * Window activated/deactivated
712 */
713
714 void MacWindow::WindowActivated(bool active)
715 {
716 if (active) {
717 frame_skip = PrefsFindInt32("frameskip");
718 if (frame_skip == 0)
719 frame_skip = 1;
720 } else
721 frame_skip = 12; // 5Hz in background
722 }
723
724
725 /*
726 * 60Hz interrupt routine
727 */
728
729 status_t MacWindow::tick_func(void *arg)
730 {
731 MacWindow *obj = (MacWindow *)arg;
732 static int tick_counter = 0;
733 while (obj->tick_thread_active) {
734
735 tick_counter++;
736 if (tick_counter >= obj->frame_skip) {
737 tick_counter = 0;
738
739 // Window title is determined by Scroll Lock state
740 uint32 scroll_lock_state = modifiers() & B_SCROLL_LOCK;
741 if (scroll_lock_state != obj->old_scroll_lock_state) {
742 if (scroll_lock_state)
743 obj->SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
744 else
745 obj->SetTitle(GetString(STR_WINDOW_TITLE));
746 obj->old_scroll_lock_state = scroll_lock_state;
747 }
748
749 // Has the Mac started?
750 if (HasMacStarted()) {
751
752 // Yes, set new cursor image if it was changed
753 if (memcmp(MacCursor+4, Mac2HostAddr(0x844), 64)) {
754 Mac2Host_memcpy(MacCursor+4, 0x844, 64); // Cursor image
755 MacCursor[2] = ReadMacInt8(0x885); // Hotspot
756 MacCursor[3] = ReadMacInt8(0x887);
757 be_app->SetCursor(MacCursor);
758 }
759 }
760
761 // Refresh screen unless Scroll Lock is down
762 if (!scroll_lock_state) {
763
764 // If direct frame buffer access is supported and the content area is completely visible,
765 // convert the Mac screen buffer directly. Otherwise, send a message to the window to do
766 // it into a bitmap
767 if (obj->supports_direct_mode) {
768 if (acquire_sem(obj->drawing_sem) != B_NO_ERROR)
769 return 0;
770 if (obj->unclipped && obj->pixel_format == B_CMAP8) {
771 uint8 *source = obj->the_buffer - 1;
772 uint8 *dest = (uint8 *)obj->bits;
773 uint32 bytes_per_row = obj->bytes_per_row;
774 int xsize = VideoMonitor.mode.x;
775 int ysize = VideoMonitor.mode.y;
776 for (int y=0; y<ysize; y++) {
777 uint32 *p = (uint32 *)dest - 1;
778 for (int x=0; x<xsize/4; x++) {
779 #if B_HOST_IS_BENDIAN
780 uint32 c = obj->remap_mac_be[*++source] << 24;
781 c |= obj->remap_mac_be[*++source] << 16;
782 c |= obj->remap_mac_be[*++source] << 8;
783 c |= obj->remap_mac_be[*++source];
784 #else
785 uint32 c = obj->remap_mac_be[*++source];
786 c |= obj->remap_mac_be[*++source] << 8;
787 c |= obj->remap_mac_be[*++source] << 16;
788 c |= obj->remap_mac_be[*++source] << 24;
789 #endif
790 *++p = c;
791 }
792 dest += bytes_per_row;
793 }
794 } else
795 obj->PostMessage(MSG_REDRAW);
796 release_sem(obj->drawing_sem);
797 } else
798 obj->PostMessage(MSG_REDRAW);
799 }
800 }
801 snooze(16666);
802 }
803 return 0;
804 }
805
806
807 /*
808 * Mouse moved in window
809 */
810
811 void BitmapView::MouseMoved(BPoint point, uint32 transit, const BMessage *message)
812 {
813 switch (transit) {
814 case B_ENTERED_VIEW:
815 ((MacWindow *)Window())->mouse_in_view = true;
816 be_app->SetCursor(MacCursor);
817 break;
818 case B_EXITED_VIEW:
819 ((MacWindow *)Window())->mouse_in_view = false;
820 be_app->SetCursor(B_HAND_CURSOR);
821 break;
822 }
823 }
824
825
826 /*
827 * Screen constructor
828 */
829
830 MacScreen::MacScreen(const char *name, int mode_bit, status_t *error) : BWindowScreen(name, 1 << mode_bit, error), tick_thread(-1)
831 {
832 // Set all variables
833 frame_backup = NULL;
834 palette_changed = false;
835 screen_active = false;
836 first_time = true;
837 quitting = false;
838
839 // Set relative mouse mode
840 ADBSetRelMouseMode(true);
841
842 // Create view to get mouse events
843 main_view = new BView(Frame(), NULL, B_FOLLOW_NONE, 0);
844 AddChild(main_view);
845
846 // Start 60Hz interrupt
847 tick_thread_active = true;
848 tick_thread = spawn_thread(tick_func, "Polling sucks...", B_DISPLAY_PRIORITY, this);
849 resume_thread(tick_thread);
850
851 // Add filter for keyboard and mouse events
852 BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
853 AddCommonFilter(filter);
854 }
855
856
857 /*
858 * Screen destructor
859 */
860
861 MacScreen::~MacScreen()
862 {
863 // Stop 60Hz interrupt
864 if (tick_thread > 0) {
865 status_t l;
866 tick_thread_active = false;
867 wait_for_thread(tick_thread, &l);
868 }
869
870 // Tell emulator that we're done
871 the_screen = NULL;
872 }
873
874
875 /*
876 * Screen closed
877 */
878
879 void MacScreen::Quit(void)
880 {
881 // Tell ScreenConnected() that we are quitting
882 quitting = true;
883 BWindowScreen::Quit();
884 }
885
886
887 /*
888 * Screen connected/disconnected
889 */
890
891 void MacScreen::ScreenConnected(bool active)
892 {
893 graphics_card_info *info = CardInfo();
894 screen_active = active;
895
896 if (active == true) {
897
898 // Add resolution and set VideoMonitor
899 if (first_time) {
900 set_video_monitor(info->width, info->height, info->bytes_per_row, info->bits_per_pixel);
901 first_time = false;
902 }
903
904 // Set VideoMonitor
905 #if REAL_ADDRESSING
906 VideoMonitor.mac_frame_base = (uint32)info->frame_buffer;
907 #else
908 VideoMonitor.mac_frame_base = MacFrameBaseMac;
909 #endif
910
911 #if !REAL_ADDRESSING
912 // Set variables for UAE memory mapping
913 MacFrameBaseHost = (uint8 *)info->frame_buffer;
914 MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
915 switch (info->bits_per_pixel) {
916 case 15:
917 MacFrameLayout = FLAYOUT_HOST_555;
918 break;
919 case 16:
920 MacFrameLayout = FLAYOUT_HOST_565;
921 break;
922 case 32:
923 MacFrameLayout = FLAYOUT_HOST_888;
924 break;
925 default:
926 MacFrameLayout = FLAYOUT_DIRECT;
927 break;
928 }
929 #endif
930
931 // Copy from backup store to frame buffer
932 if (frame_backup != NULL) {
933 memcpy(info->frame_buffer, frame_backup, VideoMonitor.bytes_per_row * VideoMonitor.mode.y);
934 delete[] frame_backup;
935 frame_backup = NULL;
936 }
937
938 // Restore palette
939 if (VideoMonitor.depth == VDEPTH_8BIT)
940 SetColorList(palette);
941
942 // Restart/signal emulator thread
943 release_sem(mac_os_lock);
944
945 } else {
946
947 if (!quitting) {
948
949 // Stop emulator thread
950 acquire_sem(mac_os_lock);
951
952 // Create backup store and save frame buffer
953 frame_backup = new uint8[VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y];
954 memcpy(frame_backup, info->frame_buffer, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
955 }
956 }
957 }
958
959
960 /*
961 * Screen 60Hz interrupt routine
962 */
963
964 status_t MacScreen::tick_func(void *arg)
965 {
966 MacScreen *obj = (MacScreen *)arg;
967 while (obj->tick_thread_active) {
968
969 // Wait
970 snooze(16667);
971
972 // Workspace activated? Then poll the mouse and set the palette if needed
973 if (!obj->quitting && obj->LockWithTimeout(200000) == B_OK) {
974 if (obj->screen_active) {
975 BPoint pt;
976 uint32 button = 0;
977 if (obj->palette_changed) {
978 obj->palette_changed = false;
979 obj->SetColorList(obj->palette);
980 }
981 obj->main_view->GetMouse(&pt, &button);
982 set_mouse_position(320, 240);
983 ADBMouseMoved(int(pt.x) - 320, int(pt.y) - 240);
984 if (button & B_PRIMARY_MOUSE_BUTTON)
985 ADBMouseDown(0);
986 if (!(button & B_PRIMARY_MOUSE_BUTTON))
987 ADBMouseUp(0);
988 if (button & B_SECONDARY_MOUSE_BUTTON)
989 ADBMouseDown(1);
990 if (!(button & B_SECONDARY_MOUSE_BUTTON))
991 ADBMouseUp(1);
992 if (button & B_TERTIARY_MOUSE_BUTTON)
993 ADBMouseDown(2);
994 if (!(button & B_TERTIARY_MOUSE_BUTTON))
995 ADBMouseUp(2);
996 }
997 obj->Unlock();
998 }
999 }
1000 return 0;
1001 }