| 1 |
/* |
| 2 |
* video_beos.cpp - Video/graphics emulation, BeOS specific stuff |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-2004 Christian Bauer |
| 5 |
* Portions written by 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: |
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mode.depth = VDEPTH_2BIT; |
| 189 |
break; |
| 190 |
case 4: |
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mode.depth = VDEPTH_4BIT; |
| 192 |
break; |
| 193 |
case 8: |
| 194 |
mode.depth = VDEPTH_8BIT; |
| 195 |
break; |
| 196 |
case 15: |
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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 |
video_init_depth_list(); |
| 210 |
VideoMonitor.mode = mode; |
| 211 |
} |
| 212 |
|
| 213 |
|
| 214 |
bool VideoInit(bool classic) |
| 215 |
{ |
| 216 |
// Create semaphore |
| 217 |
mac_os_lock = create_sem(0, "MacOS Frame Buffer Lock"); |
| 218 |
|
| 219 |
// Get screen mode from preferences |
| 220 |
const char *mode_str = PrefsFindString("screen"); |
| 221 |
|
| 222 |
// Determine type and mode |
| 223 |
display_type = DISPLAY_WINDOW; |
| 224 |
int width = 512, height = 384; |
| 225 |
int scr_mode_bit = 0; |
| 226 |
if (mode_str) { |
| 227 |
if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2) |
| 228 |
display_type = DISPLAY_WINDOW; |
| 229 |
else if (sscanf(mode_str, "scr/%d", &scr_mode_bit) == 1) |
| 230 |
display_type = DISPLAY_SCREEN; |
| 231 |
} |
| 232 |
|
| 233 |
// Open display |
| 234 |
switch (display_type) { |
| 235 |
case DISPLAY_WINDOW: |
| 236 |
the_window = new MacWindow(BRect(0, 0, width-1, height-1)); |
| 237 |
break; |
| 238 |
case DISPLAY_SCREEN: { |
| 239 |
status_t screen_error; |
| 240 |
the_screen = new MacScreen(GetString(STR_WINDOW_TITLE), scr_mode_bit & 0x1f, &screen_error); |
| 241 |
if (screen_error != B_NO_ERROR) { |
| 242 |
the_screen->PostMessage(B_QUIT_REQUESTED); |
| 243 |
while (the_screen) |
| 244 |
snooze(200000); |
| 245 |
ErrorAlert(STR_OPEN_SCREEN_ERR); |
| 246 |
return false; |
| 247 |
} else { |
| 248 |
the_screen->Show(); |
| 249 |
acquire_sem(mac_os_lock); |
| 250 |
} |
| 251 |
break; |
| 252 |
} |
| 253 |
} |
| 254 |
return true; |
| 255 |
} |
| 256 |
|
| 257 |
|
| 258 |
/* |
| 259 |
* Deinitialization |
| 260 |
*/ |
| 261 |
|
| 262 |
void VideoExit(void) |
| 263 |
{ |
| 264 |
// Close display |
| 265 |
switch (display_type) { |
| 266 |
case DISPLAY_WINDOW: |
| 267 |
if (the_window != NULL) { |
| 268 |
the_window->PostMessage(B_QUIT_REQUESTED); |
| 269 |
while (the_window) |
| 270 |
snooze(200000); |
| 271 |
} |
| 272 |
break; |
| 273 |
case DISPLAY_SCREEN: |
| 274 |
if (the_screen != NULL) { |
| 275 |
the_screen->PostMessage(B_QUIT_REQUESTED); |
| 276 |
while (the_screen) |
| 277 |
snooze(200000); |
| 278 |
} |
| 279 |
break; |
| 280 |
} |
| 281 |
|
| 282 |
// Delete semaphore |
| 283 |
delete_sem(mac_os_lock); |
| 284 |
} |
| 285 |
|
| 286 |
|
| 287 |
/* |
| 288 |
* Set palette |
| 289 |
*/ |
| 290 |
|
| 291 |
void video_set_palette(uint8 *pal, int num) |
| 292 |
{ |
| 293 |
switch (display_type) { |
| 294 |
case DISPLAY_WINDOW: { |
| 295 |
BScreen screen(the_window); |
| 296 |
for (int i=0; i<256; i++) |
| 297 |
the_window->remap_mac_be[i] = screen.IndexForColor(pal[i*3], pal[i*3+1], pal[i*3+2]); |
| 298 |
break; |
| 299 |
} |
| 300 |
case DISPLAY_SCREEN: |
| 301 |
for (int i=0; i<256; i++) { |
| 302 |
the_screen->palette[i].red = pal[i*3]; |
| 303 |
the_screen->palette[i].green = pal[i*3+1]; |
| 304 |
the_screen->palette[i].blue = pal[i*3+2]; |
| 305 |
} |
| 306 |
the_screen->palette_changed = true; |
| 307 |
break; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
|
| 312 |
/* |
| 313 |
* Switch video mode |
| 314 |
*/ |
| 315 |
|
| 316 |
void video_switch_to_mode(const video_mode &mode) |
| 317 |
{ |
| 318 |
} |
| 319 |
|
| 320 |
|
| 321 |
/* |
| 322 |
* Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode) |
| 323 |
*/ |
| 324 |
|
| 325 |
void VideoQuitFullScreen(void) |
| 326 |
{ |
| 327 |
D(bug("VideoQuitFullScreen()\n")); |
| 328 |
if (display_type == DISPLAY_SCREEN) { |
| 329 |
if (the_screen != NULL) { |
| 330 |
the_screen->PostMessage(B_QUIT_REQUESTED); |
| 331 |
while (the_screen) |
| 332 |
snooze(200000); |
| 333 |
} |
| 334 |
} |
| 335 |
} |
| 336 |
|
| 337 |
|
| 338 |
/* |
| 339 |
* Video event handling (not neccessary under BeOS, handled by filter function) |
| 340 |
*/ |
| 341 |
|
| 342 |
void VideoInterrupt(void) |
| 343 |
{ |
| 344 |
release_sem(mac_os_lock); |
| 345 |
while (acquire_sem(mac_os_lock) == B_INTERRUPTED) ; |
| 346 |
} |
| 347 |
|
| 348 |
|
| 349 |
/* |
| 350 |
* Filter function for receiving mouse and keyboard events |
| 351 |
*/ |
| 352 |
|
| 353 |
#define MENU_IS_POWER 0 |
| 354 |
|
| 355 |
// Be -> Mac raw keycode translation table |
| 356 |
static const uint8 keycode2mac[0x80] = { |
| 357 |
0xff, 0x35, 0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, // inv Esc F1 F2 F3 F4 F5 F6 |
| 358 |
0x62, 0x64, 0x65, 0x6d, 0x67, 0x6f, 0x69, 0x6b, // F7 F8 F9 F10 F11 F12 F13 F14 |
| 359 |
0x71, 0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, // F15 ` 1 2 3 4 5 6 |
| 360 |
0x1a, 0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x33, 0x72, // 7 8 9 0 - = BSP INS |
| 361 |
0x73, 0x74, 0x47, 0x4b, 0x43, 0x4e, 0x30, 0x0c, // HOM PUP NUM / * - TAB Q |
| 362 |
0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, 0x1f, // W E R T Y U I O |
| 363 |
0x23, 0x21, 0x1e, 0x2a, 0x75, 0x77, 0x79, 0x59, // P [ ] \ DEL END PDN 7 |
| 364 |
0x5b, 0x5c, 0x45, 0x39, 0x00, 0x01, 0x02, 0x03, // 8 9 + CAP A S D F |
| 365 |
0x05, 0x04, 0x26, 0x28, 0x25, 0x29, 0x27, 0x24, // G H J K L ; ' RET |
| 366 |
0x56, 0x57, 0x58, 0x38, 0x06, 0x07, 0x08, 0x09, // 4 5 6 SHL Z X C V |
| 367 |
0x0b, 0x2d, 0x2e, 0x2b, 0x2f, 0x2c, 0x38, 0x3e, // B N M , . / SHR CUP |
| 368 |
0x53, 0x54, 0x55, 0x4c, 0x36, 0x37, 0x31, 0x37, // 1 2 3 ENT CTL ALT SPC ALT |
| 369 |
0x36, 0x3b, 0x3d, 0x3c, 0x52, 0x41, 0x3a, 0x3a, // CTR CLF CDN CRT 0 . CMD CMD |
| 370 |
#if MENU_IS_POWER |
| 371 |
0x7f, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv |
| 372 |
#else |
| 373 |
0x32, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv |
| 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 |
}; |
| 378 |
|
| 379 |
static const uint8 modifier2mac[0x20] = { |
| 380 |
#if MENU_IS_POWER |
| 381 |
0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x7f, // SHF CMD inv CAP F14 NUM OPT MNU |
| 382 |
#else |
| 383 |
0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x32, // SHF CMD CTR CAP F14 NUM OPT MNU |
| 384 |
#endif |
| 385 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv |
| 386 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv |
| 387 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv |
| 388 |
}; |
| 389 |
|
| 390 |
static filter_result filter_func(BMessage *msg, BHandler **target, BMessageFilter *filter) |
| 391 |
{ |
| 392 |
switch (msg->what) { |
| 393 |
case B_KEY_DOWN: |
| 394 |
case B_KEY_UP: { |
| 395 |
uint32 be_code = msg->FindInt32("key") & 0xff; |
| 396 |
uint32 mac_code = keycode2mac[be_code]; |
| 397 |
|
| 398 |
// Intercept Ctrl-F1 (mount floppy disk shortcut) |
| 399 |
uint32 mods = msg->FindInt32("modifiers"); |
| 400 |
if (be_code == 0x02 && (mods & B_CONTROL_KEY)) |
| 401 |
SysMountVolume("/dev/disk/floppy/raw"); |
| 402 |
|
| 403 |
if (mac_code == 0xff) |
| 404 |
return B_DISPATCH_MESSAGE; |
| 405 |
if (msg->what == B_KEY_DOWN) |
| 406 |
ADBKeyDown(mac_code); |
| 407 |
else |
| 408 |
ADBKeyUp(mac_code); |
| 409 |
return B_SKIP_MESSAGE; |
| 410 |
} |
| 411 |
|
| 412 |
case B_MODIFIERS_CHANGED: { |
| 413 |
uint32 mods = msg->FindInt32("modifiers"); |
| 414 |
uint32 old_mods = msg->FindInt32("be:old_modifiers"); |
| 415 |
uint32 changed = mods ^ old_mods; |
| 416 |
uint32 mask = 1; |
| 417 |
for (int i=0; i<32; i++, mask<<=1) |
| 418 |
if (changed & mask) { |
| 419 |
uint32 mac_code = modifier2mac[i]; |
| 420 |
if (mac_code == 0xff) |
| 421 |
continue; |
| 422 |
if (mods & mask) |
| 423 |
ADBKeyDown(mac_code); |
| 424 |
else |
| 425 |
ADBKeyUp(mac_code); |
| 426 |
} |
| 427 |
return B_SKIP_MESSAGE; |
| 428 |
} |
| 429 |
|
| 430 |
case B_MOUSE_MOVED: { |
| 431 |
BPoint point; |
| 432 |
msg->FindPoint("where", &point); |
| 433 |
ADBMouseMoved(int(point.x), int(point.y)); |
| 434 |
return B_DISPATCH_MESSAGE; // Otherwise BitmapView::MouseMoved() wouldn't be called |
| 435 |
} |
| 436 |
|
| 437 |
case B_MOUSE_DOWN: { |
| 438 |
uint32 buttons = msg->FindInt32("buttons"); |
| 439 |
if (buttons & B_PRIMARY_MOUSE_BUTTON) |
| 440 |
ADBMouseDown(0); |
| 441 |
if (buttons & B_SECONDARY_MOUSE_BUTTON) |
| 442 |
ADBMouseDown(1); |
| 443 |
if (buttons & B_TERTIARY_MOUSE_BUTTON) |
| 444 |
ADBMouseDown(2); |
| 445 |
return B_SKIP_MESSAGE; |
| 446 |
} |
| 447 |
|
| 448 |
case B_MOUSE_UP: // B_MOUSE_UP means "all buttons released" |
| 449 |
ADBMouseUp(0); |
| 450 |
ADBMouseUp(1); |
| 451 |
ADBMouseUp(2); |
| 452 |
return B_SKIP_MESSAGE; |
| 453 |
|
| 454 |
default: |
| 455 |
return B_DISPATCH_MESSAGE; |
| 456 |
} |
| 457 |
} |
| 458 |
|
| 459 |
|
| 460 |
/* |
| 461 |
* Window constructor |
| 462 |
*/ |
| 463 |
|
| 464 |
MacWindow::MacWindow(BRect frame) : BDirectWindow(frame, GetString(STR_WINDOW_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE) |
| 465 |
{ |
| 466 |
supports_direct_mode = SupportsWindowMode(); |
| 467 |
|
| 468 |
// Move window to right position |
| 469 |
Lock(); |
| 470 |
MoveTo(80, 60); |
| 471 |
|
| 472 |
// Allocate bitmap and Mac frame buffer |
| 473 |
uint32 x = frame.IntegerWidth() + 1; |
| 474 |
uint32 y = frame.IntegerHeight() + 1; |
| 475 |
the_bitmap = new BBitmap(frame, B_COLOR_8_BIT); |
| 476 |
the_buffer = new uint8[x * (y + 2)]; // "y + 2" for safety |
| 477 |
|
| 478 |
// Add resolution and set VideoMonitor |
| 479 |
set_video_monitor(x, y, x, 8); |
| 480 |
#if REAL_ADDRESSING |
| 481 |
VideoMonitor.mac_frame_base = (uint32)the_buffer; |
| 482 |
#else |
| 483 |
VideoMonitor.mac_frame_base = MacFrameBaseMac; |
| 484 |
#endif |
| 485 |
|
| 486 |
#if !REAL_ADDRESSING |
| 487 |
// Set variables for UAE memory mapping |
| 488 |
MacFrameBaseHost = the_buffer; |
| 489 |
MacFrameSize = x * y; |
| 490 |
MacFrameLayout = FLAYOUT_DIRECT; |
| 491 |
#endif |
| 492 |
|
| 493 |
// Create bitmap view |
| 494 |
main_view = new BitmapView(frame, the_bitmap); |
| 495 |
AddChild(main_view); |
| 496 |
main_view->MakeFocus(); |
| 497 |
|
| 498 |
// Read frame skip prefs |
| 499 |
frame_skip = PrefsFindInt32("frameskip"); |
| 500 |
if (frame_skip == 0) |
| 501 |
frame_skip = 1; |
| 502 |
|
| 503 |
// Set up menus |
| 504 |
BRect bounds = Bounds(); |
| 505 |
bounds.OffsetBy(0, bounds.IntegerHeight() + 1); |
| 506 |
BMenuItem *item; |
| 507 |
BMenuBar *bar = new BMenuBar(bounds, "menu"); |
| 508 |
BMenu *menu = new BMenu(GetString(STR_WINDOW_MENU)); |
| 509 |
menu->AddItem(new BMenuItem(GetString(STR_WINDOW_ITEM_ABOUT), new BMessage(MSG_ABOUT_REQUESTED))); |
| 510 |
menu->AddItem(new BSeparatorItem); |
| 511 |
BMenu *submenu = new BMenu(GetString(STR_WINDOW_ITEM_REFRESH)); |
| 512 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_5HZ_LAB), new BMessage(MSG_REF_5HZ))); |
| 513 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_7_5HZ_LAB), new BMessage(MSG_REF_7_5HZ))); |
| 514 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_10HZ_LAB), new BMessage(MSG_REF_10HZ))); |
| 515 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_15HZ_LAB), new BMessage(MSG_REF_15HZ))); |
| 516 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_30HZ_LAB), new BMessage(MSG_REF_30HZ))); |
| 517 |
submenu->AddItem(new BMenuItem(GetString(STR_REF_60HZ_LAB), new BMessage(MSG_REF_60HZ))); |
| 518 |
submenu->SetRadioMode(true); |
| 519 |
if (frame_skip == 12) { |
| 520 |
if ((item = submenu->FindItem(GetString(STR_REF_5HZ_LAB))) != NULL) |
| 521 |
item->SetMarked(true); |
| 522 |
} else if (frame_skip == 8) { |
| 523 |
if ((item = submenu->FindItem(GetString(STR_REF_7_5HZ_LAB))) != NULL) |
| 524 |
item->SetMarked(true); |
| 525 |
} else if (frame_skip == 6) { |
| 526 |
if ((item = submenu->FindItem(GetString(STR_REF_10HZ_LAB))) != NULL) |
| 527 |
item->SetMarked(true); |
| 528 |
} else if (frame_skip == 4) { |
| 529 |
if ((item = submenu->FindItem(GetString(STR_REF_15HZ_LAB))) != NULL) |
| 530 |
item->SetMarked(true); |
| 531 |
} else if (frame_skip == 2) { |
| 532 |
if ((item = submenu->FindItem(GetString(STR_REF_30HZ_LAB))) != NULL) |
| 533 |
item->SetMarked(true); |
| 534 |
} else if (frame_skip == 1) { |
| 535 |
if ((item = submenu->FindItem(GetString(STR_REF_60HZ_LAB))) != NULL) |
| 536 |
item->SetMarked(true); |
| 537 |
} |
| 538 |
menu->AddItem(submenu); |
| 539 |
submenu = new BMenu(GetString(STR_WINDOW_ITEM_MOUNT)); |
| 540 |
SysCreateVolumeMenu(submenu, MSG_MOUNT); |
| 541 |
menu->AddItem(submenu); |
| 542 |
#if DEBUGGER_AVAILABLE |
| 543 |
menu->AddItem(new BMenuItem("Debugger", new BMessage(MSG_DEBUGGER))); |
| 544 |
#endif |
| 545 |
bar->AddItem(menu); |
| 546 |
AddChild(bar); |
| 547 |
SetKeyMenuBar(bar); |
| 548 |
int mbar_height = bar->Frame().IntegerHeight() + 1; |
| 549 |
|
| 550 |
// Resize window to fit menu bar |
| 551 |
ResizeBy(0, mbar_height); |
| 552 |
|
| 553 |
// Set absolute mouse mode and get scroll lock state |
| 554 |
ADBSetRelMouseMode(false); |
| 555 |
mouse_in_view = true; |
| 556 |
old_scroll_lock_state = modifiers() & B_SCROLL_LOCK; |
| 557 |
if (old_scroll_lock_state) |
| 558 |
SetTitle(GetString(STR_WINDOW_TITLE_FROZEN)); |
| 559 |
else |
| 560 |
SetTitle(GetString(STR_WINDOW_TITLE)); |
| 561 |
|
| 562 |
// Keep window aligned to 8-byte frame buffer boundaries for faster blitting |
| 563 |
SetWindowAlignment(B_BYTE_ALIGNMENT, 8); |
| 564 |
|
| 565 |
// Create drawing semaphore (for direct mode) |
| 566 |
drawing_sem = create_sem(0, "direct frame buffer access"); |
| 567 |
|
| 568 |
// Start 60Hz interrupt |
| 569 |
tick_thread_active = true; |
| 570 |
tick_thread = spawn_thread(tick_func, "Window Redraw", B_DISPLAY_PRIORITY, this); |
| 571 |
resume_thread(tick_thread); |
| 572 |
|
| 573 |
// Add filter for keyboard and mouse events |
| 574 |
BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func); |
| 575 |
main_view->AddFilter(filter); |
| 576 |
|
| 577 |
// Show window |
| 578 |
Unlock(); |
| 579 |
Show(); |
| 580 |
Sync(); |
| 581 |
} |
| 582 |
|
| 583 |
|
| 584 |
/* |
| 585 |
* Window destructor |
| 586 |
*/ |
| 587 |
|
| 588 |
MacWindow::~MacWindow() |
| 589 |
{ |
| 590 |
// Restore cursor |
| 591 |
mouse_in_view = false; |
| 592 |
be_app->SetCursor(B_HAND_CURSOR); |
| 593 |
|
| 594 |
// Hide window |
| 595 |
Hide(); |
| 596 |
Sync(); |
| 597 |
|
| 598 |
// Stop 60Hz interrupt |
| 599 |
status_t l; |
| 600 |
tick_thread_active = false; |
| 601 |
delete_sem(drawing_sem); |
| 602 |
wait_for_thread(tick_thread, &l); |
| 603 |
|
| 604 |
// Free bitmap and frame buffer |
| 605 |
delete the_bitmap; |
| 606 |
delete[] the_buffer; |
| 607 |
|
| 608 |
// Tell emulator that we're done |
| 609 |
the_window = NULL; |
| 610 |
} |
| 611 |
|
| 612 |
|
| 613 |
/* |
| 614 |
* Window connected/disconnected |
| 615 |
*/ |
| 616 |
|
| 617 |
void MacWindow::DirectConnected(direct_buffer_info *info) |
| 618 |
{ |
| 619 |
switch (info->buffer_state & B_DIRECT_MODE_MASK) { |
| 620 |
case B_DIRECT_STOP: |
| 621 |
acquire_sem(drawing_sem); |
| 622 |
break; |
| 623 |
case B_DIRECT_MODIFY: |
| 624 |
acquire_sem(drawing_sem); |
| 625 |
case B_DIRECT_START: |
| 626 |
bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8); |
| 627 |
bytes_per_row = info->bytes_per_row; |
| 628 |
pixel_format = info->pixel_format; |
| 629 |
unclipped = false; |
| 630 |
if (info->clip_list_count == 1) |
| 631 |
if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0) |
| 632 |
unclipped = true; |
| 633 |
release_sem(drawing_sem); |
| 634 |
break; |
| 635 |
} |
| 636 |
} |
| 637 |
|
| 638 |
|
| 639 |
/* |
| 640 |
* Handle redraw and menu messages |
| 641 |
*/ |
| 642 |
|
| 643 |
void MacWindow::MessageReceived(BMessage *msg) |
| 644 |
{ |
| 645 |
BMessage *msg2; |
| 646 |
|
| 647 |
switch (msg->what) { |
| 648 |
case MSG_REDRAW: { |
| 649 |
|
| 650 |
// Prevent backlog of messages |
| 651 |
MessageQueue()->Lock(); |
| 652 |
while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) { |
| 653 |
MessageQueue()->RemoveMessage(msg2); |
| 654 |
delete msg2; |
| 655 |
} |
| 656 |
MessageQueue()->Unlock(); |
| 657 |
|
| 658 |
// Convert Mac screen buffer to BeOS palette and blit |
| 659 |
uint8 *source = the_buffer - 1; |
| 660 |
uint8 *dest = (uint8 *)the_bitmap->Bits() - 1; |
| 661 |
uint32 length = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y; |
| 662 |
for (int i=0; i<length; i++) |
| 663 |
*++dest = remap_mac_be[*++source]; |
| 664 |
BRect update_rect = BRect(0, 0, VideoMonitor.mode.x-1, VideoMonitor.mode.y-1); |
| 665 |
main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect); |
| 666 |
break; |
| 667 |
} |
| 668 |
|
| 669 |
case MSG_ABOUT_REQUESTED: { |
| 670 |
ShowAboutWindow(); |
| 671 |
break; |
| 672 |
} |
| 673 |
|
| 674 |
case MSG_REF_5HZ: |
| 675 |
PrefsReplaceInt32("frameskip", frame_skip = 12); |
| 676 |
break; |
| 677 |
|
| 678 |
case MSG_REF_7_5HZ: |
| 679 |
PrefsReplaceInt32("frameskip", frame_skip = 8); |
| 680 |
break; |
| 681 |
|
| 682 |
case MSG_REF_10HZ: |
| 683 |
PrefsReplaceInt32("frameskip", frame_skip = 6); |
| 684 |
break; |
| 685 |
|
| 686 |
case MSG_REF_15HZ: |
| 687 |
PrefsReplaceInt32("frameskip", frame_skip = 4); |
| 688 |
break; |
| 689 |
|
| 690 |
case MSG_REF_30HZ: |
| 691 |
PrefsReplaceInt32("frameskip", frame_skip = 2); |
| 692 |
break; |
| 693 |
|
| 694 |
case MSG_REF_60HZ: |
| 695 |
PrefsReplaceInt32("frameskip", frame_skip = 1); |
| 696 |
break; |
| 697 |
|
| 698 |
case MSG_MOUNT: { |
| 699 |
BMenuItem *source = NULL; |
| 700 |
msg->FindPointer("source", (void **)&source); |
| 701 |
if (source) |
| 702 |
SysMountVolume(source->Label()); |
| 703 |
break; |
| 704 |
} |
| 705 |
|
| 706 |
#if DEBUGGER_AVAILABLE |
| 707 |
case MSG_DEBUGGER: |
| 708 |
extern int debugging; |
| 709 |
debugging = 1; |
| 710 |
regs.spcflags |= SPCFLAG_BRK; |
| 711 |
break; |
| 712 |
#endif |
| 713 |
|
| 714 |
default: |
| 715 |
BDirectWindow::MessageReceived(msg); |
| 716 |
} |
| 717 |
} |
| 718 |
|
| 719 |
|
| 720 |
/* |
| 721 |
* Window activated/deactivated |
| 722 |
*/ |
| 723 |
|
| 724 |
void MacWindow::WindowActivated(bool active) |
| 725 |
{ |
| 726 |
if (active) { |
| 727 |
frame_skip = PrefsFindInt32("frameskip"); |
| 728 |
if (frame_skip == 0) |
| 729 |
frame_skip = 1; |
| 730 |
} else |
| 731 |
frame_skip = 12; // 5Hz in background |
| 732 |
} |
| 733 |
|
| 734 |
|
| 735 |
/* |
| 736 |
* 60Hz interrupt routine |
| 737 |
*/ |
| 738 |
|
| 739 |
status_t MacWindow::tick_func(void *arg) |
| 740 |
{ |
| 741 |
MacWindow *obj = (MacWindow *)arg; |
| 742 |
static int tick_counter = 0; |
| 743 |
while (obj->tick_thread_active) { |
| 744 |
|
| 745 |
tick_counter++; |
| 746 |
if (tick_counter >= obj->frame_skip) { |
| 747 |
tick_counter = 0; |
| 748 |
|
| 749 |
// Window title is determined by Scroll Lock state |
| 750 |
uint32 scroll_lock_state = modifiers() & B_SCROLL_LOCK; |
| 751 |
if (scroll_lock_state != obj->old_scroll_lock_state) { |
| 752 |
if (scroll_lock_state) |
| 753 |
obj->SetTitle(GetString(STR_WINDOW_TITLE_FROZEN)); |
| 754 |
else |
| 755 |
obj->SetTitle(GetString(STR_WINDOW_TITLE)); |
| 756 |
obj->old_scroll_lock_state = scroll_lock_state; |
| 757 |
} |
| 758 |
|
| 759 |
// Has the Mac started? |
| 760 |
if (HasMacStarted()) { |
| 761 |
|
| 762 |
// Yes, set new cursor image if it was changed |
| 763 |
if (memcmp(MacCursor+4, Mac2HostAddr(0x844), 64)) { |
| 764 |
Mac2Host_memcpy(MacCursor+4, 0x844, 64); // Cursor image |
| 765 |
MacCursor[2] = ReadMacInt8(0x885); // Hotspot |
| 766 |
MacCursor[3] = ReadMacInt8(0x887); |
| 767 |
be_app->SetCursor(MacCursor); |
| 768 |
} |
| 769 |
} |
| 770 |
|
| 771 |
// Refresh screen unless Scroll Lock is down |
| 772 |
if (!scroll_lock_state) { |
| 773 |
|
| 774 |
// If direct frame buffer access is supported and the content area is completely visible, |
| 775 |
// convert the Mac screen buffer directly. Otherwise, send a message to the window to do |
| 776 |
// it into a bitmap |
| 777 |
if (obj->supports_direct_mode) { |
| 778 |
if (acquire_sem(obj->drawing_sem) != B_NO_ERROR) |
| 779 |
return 0; |
| 780 |
if (obj->unclipped && obj->pixel_format == B_CMAP8) { |
| 781 |
uint8 *source = obj->the_buffer - 1; |
| 782 |
uint8 *dest = (uint8 *)obj->bits; |
| 783 |
uint32 bytes_per_row = obj->bytes_per_row; |
| 784 |
int xsize = VideoMonitor.mode.x; |
| 785 |
int ysize = VideoMonitor.mode.y; |
| 786 |
for (int y=0; y<ysize; y++) { |
| 787 |
uint32 *p = (uint32 *)dest - 1; |
| 788 |
for (int x=0; x<xsize/4; x++) { |
| 789 |
#if B_HOST_IS_BENDIAN |
| 790 |
uint32 c = obj->remap_mac_be[*++source] << 24; |
| 791 |
c |= obj->remap_mac_be[*++source] << 16; |
| 792 |
c |= obj->remap_mac_be[*++source] << 8; |
| 793 |
c |= obj->remap_mac_be[*++source]; |
| 794 |
#else |
| 795 |
uint32 c = obj->remap_mac_be[*++source]; |
| 796 |
c |= obj->remap_mac_be[*++source] << 8; |
| 797 |
c |= obj->remap_mac_be[*++source] << 16; |
| 798 |
c |= obj->remap_mac_be[*++source] << 24; |
| 799 |
#endif |
| 800 |
*++p = c; |
| 801 |
} |
| 802 |
dest += bytes_per_row; |
| 803 |
} |
| 804 |
} else |
| 805 |
obj->PostMessage(MSG_REDRAW); |
| 806 |
release_sem(obj->drawing_sem); |
| 807 |
} else |
| 808 |
obj->PostMessage(MSG_REDRAW); |
| 809 |
} |
| 810 |
} |
| 811 |
snooze(16666); |
| 812 |
} |
| 813 |
return 0; |
| 814 |
} |
| 815 |
|
| 816 |
|
| 817 |
/* |
| 818 |
* Mouse moved in window |
| 819 |
*/ |
| 820 |
|
| 821 |
void BitmapView::MouseMoved(BPoint point, uint32 transit, const BMessage *message) |
| 822 |
{ |
| 823 |
switch (transit) { |
| 824 |
case B_ENTERED_VIEW: |
| 825 |
((MacWindow *)Window())->mouse_in_view = true; |
| 826 |
be_app->SetCursor(MacCursor); |
| 827 |
break; |
| 828 |
case B_EXITED_VIEW: |
| 829 |
((MacWindow *)Window())->mouse_in_view = false; |
| 830 |
be_app->SetCursor(B_HAND_CURSOR); |
| 831 |
break; |
| 832 |
} |
| 833 |
} |
| 834 |
|
| 835 |
|
| 836 |
/* |
| 837 |
* Screen constructor |
| 838 |
*/ |
| 839 |
|
| 840 |
MacScreen::MacScreen(const char *name, int mode_bit, status_t *error) : BWindowScreen(name, 1 << mode_bit, error), tick_thread(-1) |
| 841 |
{ |
| 842 |
// Set all variables |
| 843 |
frame_backup = NULL; |
| 844 |
palette_changed = false; |
| 845 |
screen_active = false; |
| 846 |
first_time = true; |
| 847 |
quitting = false; |
| 848 |
|
| 849 |
// Set relative mouse mode |
| 850 |
ADBSetRelMouseMode(true); |
| 851 |
|
| 852 |
// Create view to get mouse events |
| 853 |
main_view = new BView(Frame(), NULL, B_FOLLOW_NONE, 0); |
| 854 |
AddChild(main_view); |
| 855 |
|
| 856 |
// Start 60Hz interrupt |
| 857 |
tick_thread_active = true; |
| 858 |
tick_thread = spawn_thread(tick_func, "Polling sucks...", B_DISPLAY_PRIORITY, this); |
| 859 |
resume_thread(tick_thread); |
| 860 |
|
| 861 |
// Add filter for keyboard and mouse events |
| 862 |
BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func); |
| 863 |
AddCommonFilter(filter); |
| 864 |
} |
| 865 |
|
| 866 |
|
| 867 |
/* |
| 868 |
* Screen destructor |
| 869 |
*/ |
| 870 |
|
| 871 |
MacScreen::~MacScreen() |
| 872 |
{ |
| 873 |
// Stop 60Hz interrupt |
| 874 |
if (tick_thread > 0) { |
| 875 |
status_t l; |
| 876 |
tick_thread_active = false; |
| 877 |
wait_for_thread(tick_thread, &l); |
| 878 |
} |
| 879 |
|
| 880 |
// Tell emulator that we're done |
| 881 |
the_screen = NULL; |
| 882 |
} |
| 883 |
|
| 884 |
|
| 885 |
/* |
| 886 |
* Screen closed |
| 887 |
*/ |
| 888 |
|
| 889 |
void MacScreen::Quit(void) |
| 890 |
{ |
| 891 |
// Tell ScreenConnected() that we are quitting |
| 892 |
quitting = true; |
| 893 |
BWindowScreen::Quit(); |
| 894 |
} |
| 895 |
|
| 896 |
|
| 897 |
/* |
| 898 |
* Screen connected/disconnected |
| 899 |
*/ |
| 900 |
|
| 901 |
void MacScreen::ScreenConnected(bool active) |
| 902 |
{ |
| 903 |
graphics_card_info *info = CardInfo(); |
| 904 |
screen_active = active; |
| 905 |
|
| 906 |
if (active == true) { |
| 907 |
|
| 908 |
// Add resolution and set VideoMonitor |
| 909 |
if (first_time) { |
| 910 |
set_video_monitor(info->width, info->height, info->bytes_per_row, info->bits_per_pixel); |
| 911 |
first_time = false; |
| 912 |
} |
| 913 |
|
| 914 |
// Set VideoMonitor |
| 915 |
#if REAL_ADDRESSING |
| 916 |
VideoMonitor.mac_frame_base = (uint32)info->frame_buffer; |
| 917 |
#else |
| 918 |
VideoMonitor.mac_frame_base = MacFrameBaseMac; |
| 919 |
#endif |
| 920 |
|
| 921 |
#if !REAL_ADDRESSING |
| 922 |
// Set variables for UAE memory mapping |
| 923 |
MacFrameBaseHost = (uint8 *)info->frame_buffer; |
| 924 |
MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y; |
| 925 |
switch (info->bits_per_pixel) { |
| 926 |
case 15: |
| 927 |
MacFrameLayout = FLAYOUT_HOST_555; |
| 928 |
break; |
| 929 |
case 16: |
| 930 |
MacFrameLayout = FLAYOUT_HOST_565; |
| 931 |
break; |
| 932 |
case 32: |
| 933 |
MacFrameLayout = FLAYOUT_HOST_888; |
| 934 |
break; |
| 935 |
default: |
| 936 |
MacFrameLayout = FLAYOUT_DIRECT; |
| 937 |
break; |
| 938 |
} |
| 939 |
#endif |
| 940 |
|
| 941 |
// Copy from backup store to frame buffer |
| 942 |
if (frame_backup != NULL) { |
| 943 |
memcpy(info->frame_buffer, frame_backup, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y); |
| 944 |
delete[] frame_backup; |
| 945 |
frame_backup = NULL; |
| 946 |
} |
| 947 |
|
| 948 |
// Restore palette |
| 949 |
if (VideoMonitor.mode.depth == VDEPTH_8BIT) |
| 950 |
SetColorList(palette); |
| 951 |
|
| 952 |
// Restart/signal emulator thread |
| 953 |
release_sem(mac_os_lock); |
| 954 |
|
| 955 |
} else { |
| 956 |
|
| 957 |
if (!quitting) { |
| 958 |
|
| 959 |
// Stop emulator thread |
| 960 |
acquire_sem(mac_os_lock); |
| 961 |
|
| 962 |
// Create backup store and save frame buffer |
| 963 |
frame_backup = new uint8[VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y]; |
| 964 |
memcpy(frame_backup, info->frame_buffer, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y); |
| 965 |
} |
| 966 |
} |
| 967 |
} |
| 968 |
|
| 969 |
|
| 970 |
/* |
| 971 |
* Screen 60Hz interrupt routine |
| 972 |
*/ |
| 973 |
|
| 974 |
status_t MacScreen::tick_func(void *arg) |
| 975 |
{ |
| 976 |
MacScreen *obj = (MacScreen *)arg; |
| 977 |
while (obj->tick_thread_active) { |
| 978 |
|
| 979 |
// Wait |
| 980 |
snooze(16667); |
| 981 |
|
| 982 |
// Workspace activated? Then poll the mouse and set the palette if needed |
| 983 |
if (!obj->quitting && obj->LockWithTimeout(200000) == B_OK) { |
| 984 |
if (obj->screen_active) { |
| 985 |
BPoint pt; |
| 986 |
uint32 button = 0; |
| 987 |
if (obj->palette_changed) { |
| 988 |
obj->palette_changed = false; |
| 989 |
obj->SetColorList(obj->palette); |
| 990 |
} |
| 991 |
obj->main_view->GetMouse(&pt, &button); |
| 992 |
set_mouse_position(320, 240); |
| 993 |
ADBMouseMoved(int(pt.x) - 320, int(pt.y) - 240); |
| 994 |
if (button & B_PRIMARY_MOUSE_BUTTON) |
| 995 |
ADBMouseDown(0); |
| 996 |
if (!(button & B_PRIMARY_MOUSE_BUTTON)) |
| 997 |
ADBMouseUp(0); |
| 998 |
if (button & B_SECONDARY_MOUSE_BUTTON) |
| 999 |
ADBMouseDown(1); |
| 1000 |
if (!(button & B_SECONDARY_MOUSE_BUTTON)) |
| 1001 |
ADBMouseUp(1); |
| 1002 |
if (button & B_TERTIARY_MOUSE_BUTTON) |
| 1003 |
ADBMouseDown(2); |
| 1004 |
if (!(button & B_TERTIARY_MOUSE_BUTTON)) |
| 1005 |
ADBMouseUp(2); |
| 1006 |
} |
| 1007 |
obj->Unlock(); |
| 1008 |
} |
| 1009 |
} |
| 1010 |
return 0; |
| 1011 |
} |
