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macemu/BasiliskII/src/BeOS/video_beos.cpp
gbeauche c8cb4879a4 Happy New Year!
2008-01-01 09:40:36 +00:00

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/*
* video_beos.cpp - Video/graphics emulation, BeOS specific stuff
*
* Basilisk II (C) 1997-2008 Christian Bauer
* Portions written by Marc Hellwig
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <AppKit.h>
#include <InterfaceKit.h>
#include <GameKit.h>
#include <stdio.h>
#include <string.h>
#include "sysdeps.h"
#include "cpu_emulation.h"
#include "main.h"
#include "macos_util.h"
#include "prefs.h"
#include "adb.h"
#include "prefs.h"
#include "user_strings.h"
#include "about_window.h"
#include "video.h"
#include "m68k.h"
#include "memory.h"
#include "readcpu.h"
#include "newcpu.h"
#define DEBUG 0
#include "debug.h"
#define DEBUGGER_AVAILABLE 0
// Messages
const uint32 MSG_REDRAW = 'draw';
const uint32 MSG_ABOUT_REQUESTED = B_ABOUT_REQUESTED;
const uint32 MSG_REF_5HZ = ' 5Hz';
const uint32 MSG_REF_7_5HZ = ' 7Hz';
const uint32 MSG_REF_10HZ = '10Hz';
const uint32 MSG_REF_15HZ = '15Hz';
const uint32 MSG_REF_30HZ = '30Hz';
const uint32 MSG_REF_60HZ = '60Hz';
const uint32 MSG_MOUNT = 'moun';
const uint32 MSG_DEBUGGER = 'dbug';
// Display types
enum {
DISPLAY_WINDOW,
DISPLAY_SCREEN
};
// From sys_beos.cpp
extern void SysCreateVolumeMenu(BMenu *menu, uint32 msg);
extern void SysMountVolume(const char *name);
/*
* A simple view class for blitting a bitmap on the screen
*/
class BitmapView : public BView {
public:
BitmapView(BRect frame, BBitmap *bitmap) : BView(frame, "bitmap", B_FOLLOW_NONE, B_WILL_DRAW)
{
the_bitmap = bitmap;
}
virtual void Draw(BRect update)
{
DrawBitmap(the_bitmap, update, update);
}
virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message);
private:
BBitmap *the_bitmap;
};
/*
* Window class
*/
class MacWindow : public BDirectWindow {
public:
MacWindow(BRect frame);
virtual ~MacWindow();
virtual void MessageReceived(BMessage *msg);
virtual void DirectConnected(direct_buffer_info *info);
virtual void WindowActivated(bool active);
int32 frame_skip;
bool mouse_in_view; // Flag: Mouse pointer within bitmap view
uint8 remap_mac_be[256]; // For remapping of Mac colors to Be colors
private:
static status_t tick_func(void *arg);
thread_id tick_thread;
bool tick_thread_active; // Flag for quitting the tick thread
BitmapView *main_view; // Main view for bitmap drawing
BBitmap *the_bitmap; // Mac screen bitmap
uint8 *the_buffer; // Mac frame buffer
uint32 old_scroll_lock_state;
bool supports_direct_mode; // Flag: Direct frame buffer access supported
sem_id drawing_sem;
void *bits;
int32 bytes_per_row;
color_space pixel_format;
bool unclipped;
};
/*
* Screen class
*/
class MacScreen : public BWindowScreen {
public:
MacScreen(const char *name, int mode_bit, status_t *error);
virtual ~MacScreen();
virtual void Quit(void);
virtual void ScreenConnected(bool active);
rgb_color palette[256]; // Color palette, 256 entries
bool palette_changed;
private:
static status_t tick_func(void *arg);
thread_id tick_thread;
bool tick_thread_active; // Flag for quitting the tick thread
BView *main_view; // Main view for GetMouse()
uint8 *frame_backup; // Frame buffer backup when switching from/to different workspace
bool quitting; // Flag for ScreenConnected: We are quitting, don't pause emulator thread
bool screen_active;
bool first_time;
};
// Global variables
static int display_type = DISPLAY_WINDOW; // See enum above
static MacWindow *the_window = NULL; // Pointer to the window
static MacScreen *the_screen = NULL; // Pointer to the screen
static sem_id mac_os_lock = -1; // This is used to stop the MacOS thread when the Basilisk workspace is switched out
static uint8 MacCursor[68] = {16, 1}; // Mac cursor image
/*
* Initialization
*/
// Add resolution to list of supported modes and set VideoMonitor
static void set_video_monitor(uint32 width, uint32 height, uint32 bytes_per_row, int depth)
{
video_mode mode;
mode.x = width;
mode.y = height;
mode.resolution_id = 0x80;
mode.bytes_per_row = bytes_per_row;
switch (depth) {
case 1:
mode.depth = VDEPTH_1BIT;
break;
case 2:
mode.depth = VDEPTH_2BIT;
break;
case 4:
mode.depth = VDEPTH_4BIT;
break;
case 8:
mode.depth = VDEPTH_8BIT;
break;
case 15:
mode.depth = VDEPTH_16BIT;
break;
case 16:
mode.depth = VDEPTH_16BIT;
break;
case 24:
case 32:
mode.depth = VDEPTH_32BIT;
break;
}
VideoModes.push_back(mode);
video_init_depth_list();
VideoMonitor.mode = mode;
}
bool VideoInit(bool classic)
{
// Create semaphore
mac_os_lock = create_sem(0, "MacOS Frame Buffer Lock");
// Get screen mode from preferences
const char *mode_str = PrefsFindString("screen");
// Determine type and mode
display_type = DISPLAY_WINDOW;
int width = 512, height = 384;
int scr_mode_bit = 0;
if (mode_str) {
if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
display_type = DISPLAY_WINDOW;
else if (sscanf(mode_str, "scr/%d", &scr_mode_bit) == 1)
display_type = DISPLAY_SCREEN;
}
// Open display
switch (display_type) {
case DISPLAY_WINDOW:
the_window = new MacWindow(BRect(0, 0, width-1, height-1));
break;
case DISPLAY_SCREEN: {
status_t screen_error;
the_screen = new MacScreen(GetString(STR_WINDOW_TITLE), scr_mode_bit & 0x1f, &screen_error);
if (screen_error != B_NO_ERROR) {
the_screen->PostMessage(B_QUIT_REQUESTED);
while (the_screen)
snooze(200000);
ErrorAlert(STR_OPEN_SCREEN_ERR);
return false;
} else {
the_screen->Show();
acquire_sem(mac_os_lock);
}
break;
}
}
return true;
}
/*
* Deinitialization
*/
void VideoExit(void)
{
// Close display
switch (display_type) {
case DISPLAY_WINDOW:
if (the_window != NULL) {
the_window->PostMessage(B_QUIT_REQUESTED);
while (the_window)
snooze(200000);
}
break;
case DISPLAY_SCREEN:
if (the_screen != NULL) {
the_screen->PostMessage(B_QUIT_REQUESTED);
while (the_screen)
snooze(200000);
}
break;
}
// Delete semaphore
delete_sem(mac_os_lock);
}
/*
* Set palette
*/
void video_set_palette(uint8 *pal, int num)
{
switch (display_type) {
case DISPLAY_WINDOW: {
BScreen screen(the_window);
for (int i=0; i<256; i++)
the_window->remap_mac_be[i] = screen.IndexForColor(pal[i*3], pal[i*3+1], pal[i*3+2]);
break;
}
case DISPLAY_SCREEN:
for (int i=0; i<256; i++) {
the_screen->palette[i].red = pal[i*3];
the_screen->palette[i].green = pal[i*3+1];
the_screen->palette[i].blue = pal[i*3+2];
}
the_screen->palette_changed = true;
break;
}
}
/*
* Switch video mode
*/
void video_switch_to_mode(const video_mode &mode)
{
}
/*
* Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
*/
void VideoQuitFullScreen(void)
{
D(bug("VideoQuitFullScreen()\n"));
if (display_type == DISPLAY_SCREEN) {
if (the_screen != NULL) {
the_screen->PostMessage(B_QUIT_REQUESTED);
while (the_screen)
snooze(200000);
}
}
}
/*
* Video event handling (not neccessary under BeOS, handled by filter function)
*/
void VideoInterrupt(void)
{
release_sem(mac_os_lock);
while (acquire_sem(mac_os_lock) == B_INTERRUPTED) ;
}
/*
* Filter function for receiving mouse and keyboard events
*/
#define MENU_IS_POWER 0
// Be -> Mac raw keycode translation table
static const uint8 keycode2mac[0x80] = {
0xff, 0x35, 0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, // inv Esc F1 F2 F3 F4 F5 F6
0x62, 0x64, 0x65, 0x6d, 0x67, 0x6f, 0x69, 0x6b, // F7 F8 F9 F10 F11 F12 F13 F14
0x71, 0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, // F15 ` 1 2 3 4 5 6
0x1a, 0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x33, 0x72, // 7 8 9 0 - = BSP INS
0x73, 0x74, 0x47, 0x4b, 0x43, 0x4e, 0x30, 0x0c, // HOM PUP NUM / * - TAB Q
0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, 0x1f, // W E R T Y U I O
0x23, 0x21, 0x1e, 0x2a, 0x75, 0x77, 0x79, 0x59, // P [ ] \ DEL END PDN 7
0x5b, 0x5c, 0x45, 0x39, 0x00, 0x01, 0x02, 0x03, // 8 9 + CAP A S D F
0x05, 0x04, 0x26, 0x28, 0x25, 0x29, 0x27, 0x24, // G H J K L ; ' RET
0x56, 0x57, 0x58, 0x38, 0x06, 0x07, 0x08, 0x09, // 4 5 6 SHL Z X C V
0x0b, 0x2d, 0x2e, 0x2b, 0x2f, 0x2c, 0x38, 0x3e, // B N M , . / SHR CUP
0x53, 0x54, 0x55, 0x4c, 0x36, 0x37, 0x31, 0x37, // 1 2 3 ENT CTL ALT SPC ALT
0x36, 0x3b, 0x3d, 0x3c, 0x52, 0x41, 0x3a, 0x3a, // CTR CLF CDN CRT 0 . CMD CMD
#if MENU_IS_POWER
0x7f, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
#else
0x32, 0x32, 0x51, 0x7f, 0xff, 0xff, 0xff, 0xff, // MNU EUR = POW inv inv inv inv
#endif
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
};
static const uint8 modifier2mac[0x20] = {
#if MENU_IS_POWER
0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x7f, // SHF CMD inv CAP F14 NUM OPT MNU
#else
0x38, 0x37, 0x36, 0x39, 0x6b, 0x47, 0x3a, 0x32, // SHF CMD CTR CAP F14 NUM OPT MNU
#endif
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
};
static filter_result filter_func(BMessage *msg, BHandler **target, BMessageFilter *filter)
{
switch (msg->what) {
case B_KEY_DOWN:
case B_KEY_UP: {
uint32 be_code = msg->FindInt32("key") & 0xff;
uint32 mac_code = keycode2mac[be_code];
// Intercept Ctrl-F1 (mount floppy disk shortcut)
uint32 mods = msg->FindInt32("modifiers");
if (be_code == 0x02 && (mods & B_CONTROL_KEY))
SysMountVolume("/dev/disk/floppy/raw");
if (mac_code == 0xff)
return B_DISPATCH_MESSAGE;
if (msg->what == B_KEY_DOWN)
ADBKeyDown(mac_code);
else
ADBKeyUp(mac_code);
return B_SKIP_MESSAGE;
}
case B_MODIFIERS_CHANGED: {
uint32 mods = msg->FindInt32("modifiers");
uint32 old_mods = msg->FindInt32("be:old_modifiers");
uint32 changed = mods ^ old_mods;
uint32 mask = 1;
for (int i=0; i<32; i++, mask<<=1)
if (changed & mask) {
uint32 mac_code = modifier2mac[i];
if (mac_code == 0xff)
continue;
if (mods & mask)
ADBKeyDown(mac_code);
else
ADBKeyUp(mac_code);
}
return B_SKIP_MESSAGE;
}
case B_MOUSE_MOVED: {
BPoint point;
msg->FindPoint("where", &point);
ADBMouseMoved(int(point.x), int(point.y));
return B_DISPATCH_MESSAGE; // Otherwise BitmapView::MouseMoved() wouldn't be called
}
case B_MOUSE_DOWN: {
uint32 buttons = msg->FindInt32("buttons");
if (buttons & B_PRIMARY_MOUSE_BUTTON)
ADBMouseDown(0);
if (buttons & B_SECONDARY_MOUSE_BUTTON)
ADBMouseDown(1);
if (buttons & B_TERTIARY_MOUSE_BUTTON)
ADBMouseDown(2);
return B_SKIP_MESSAGE;
}
case B_MOUSE_UP: // B_MOUSE_UP means "all buttons released"
ADBMouseUp(0);
ADBMouseUp(1);
ADBMouseUp(2);
return B_SKIP_MESSAGE;
default:
return B_DISPATCH_MESSAGE;
}
}
/*
* Window constructor
*/
MacWindow::MacWindow(BRect frame) : BDirectWindow(frame, GetString(STR_WINDOW_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE)
{
supports_direct_mode = SupportsWindowMode();
// Move window to right position
Lock();
MoveTo(80, 60);
// Allocate bitmap and Mac frame buffer
uint32 x = frame.IntegerWidth() + 1;
uint32 y = frame.IntegerHeight() + 1;
the_bitmap = new BBitmap(frame, B_COLOR_8_BIT);
the_buffer = new uint8[x * (y + 2)]; // "y + 2" for safety
// Add resolution and set VideoMonitor
set_video_monitor(x, y, x, 8);
#if REAL_ADDRESSING
VideoMonitor.mac_frame_base = (uint32)the_buffer;
#else
VideoMonitor.mac_frame_base = MacFrameBaseMac;
#endif
#if !REAL_ADDRESSING
// Set variables for UAE memory mapping
MacFrameBaseHost = the_buffer;
MacFrameSize = x * y;
MacFrameLayout = FLAYOUT_DIRECT;
#endif
// Create bitmap view
main_view = new BitmapView(frame, the_bitmap);
AddChild(main_view);
main_view->MakeFocus();
// Read frame skip prefs
frame_skip = PrefsFindInt32("frameskip");
if (frame_skip == 0)
frame_skip = 1;
// Set up menus
BRect bounds = Bounds();
bounds.OffsetBy(0, bounds.IntegerHeight() + 1);
BMenuItem *item;
BMenuBar *bar = new BMenuBar(bounds, "menu");
BMenu *menu = new BMenu(GetString(STR_WINDOW_MENU));
menu->AddItem(new BMenuItem(GetString(STR_WINDOW_ITEM_ABOUT), new BMessage(MSG_ABOUT_REQUESTED)));
menu->AddItem(new BSeparatorItem);
BMenu *submenu = new BMenu(GetString(STR_WINDOW_ITEM_REFRESH));
submenu->AddItem(new BMenuItem(GetString(STR_REF_5HZ_LAB), new BMessage(MSG_REF_5HZ)));
submenu->AddItem(new BMenuItem(GetString(STR_REF_7_5HZ_LAB), new BMessage(MSG_REF_7_5HZ)));
submenu->AddItem(new BMenuItem(GetString(STR_REF_10HZ_LAB), new BMessage(MSG_REF_10HZ)));
submenu->AddItem(new BMenuItem(GetString(STR_REF_15HZ_LAB), new BMessage(MSG_REF_15HZ)));
submenu->AddItem(new BMenuItem(GetString(STR_REF_30HZ_LAB), new BMessage(MSG_REF_30HZ)));
submenu->AddItem(new BMenuItem(GetString(STR_REF_60HZ_LAB), new BMessage(MSG_REF_60HZ)));
submenu->SetRadioMode(true);
if (frame_skip == 12) {
if ((item = submenu->FindItem(GetString(STR_REF_5HZ_LAB))) != NULL)
item->SetMarked(true);
} else if (frame_skip == 8) {
if ((item = submenu->FindItem(GetString(STR_REF_7_5HZ_LAB))) != NULL)
item->SetMarked(true);
} else if (frame_skip == 6) {
if ((item = submenu->FindItem(GetString(STR_REF_10HZ_LAB))) != NULL)
item->SetMarked(true);
} else if (frame_skip == 4) {
if ((item = submenu->FindItem(GetString(STR_REF_15HZ_LAB))) != NULL)
item->SetMarked(true);
} else if (frame_skip == 2) {
if ((item = submenu->FindItem(GetString(STR_REF_30HZ_LAB))) != NULL)
item->SetMarked(true);
} else if (frame_skip == 1) {
if ((item = submenu->FindItem(GetString(STR_REF_60HZ_LAB))) != NULL)
item->SetMarked(true);
}
menu->AddItem(submenu);
submenu = new BMenu(GetString(STR_WINDOW_ITEM_MOUNT));
SysCreateVolumeMenu(submenu, MSG_MOUNT);
menu->AddItem(submenu);
#if DEBUGGER_AVAILABLE
menu->AddItem(new BMenuItem("Debugger", new BMessage(MSG_DEBUGGER)));
#endif
bar->AddItem(menu);
AddChild(bar);
SetKeyMenuBar(bar);
int mbar_height = bar->Frame().IntegerHeight() + 1;
// Resize window to fit menu bar
ResizeBy(0, mbar_height);
// Set absolute mouse mode and get scroll lock state
ADBSetRelMouseMode(false);
mouse_in_view = true;
old_scroll_lock_state = modifiers() & B_SCROLL_LOCK;
if (old_scroll_lock_state)
SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
else
SetTitle(GetString(STR_WINDOW_TITLE));
// Keep window aligned to 8-byte frame buffer boundaries for faster blitting
SetWindowAlignment(B_BYTE_ALIGNMENT, 8);
// Create drawing semaphore (for direct mode)
drawing_sem = create_sem(0, "direct frame buffer access");
// Start 60Hz interrupt
tick_thread_active = true;
tick_thread = spawn_thread(tick_func, "Window Redraw", B_DISPLAY_PRIORITY, this);
resume_thread(tick_thread);
// Add filter for keyboard and mouse events
BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
main_view->AddFilter(filter);
// Show window
Unlock();
Show();
Sync();
}
/*
* Window destructor
*/
MacWindow::~MacWindow()
{
// Restore cursor
mouse_in_view = false;
be_app->SetCursor(B_HAND_CURSOR);
// Hide window
Hide();
Sync();
// Stop 60Hz interrupt
status_t l;
tick_thread_active = false;
delete_sem(drawing_sem);
wait_for_thread(tick_thread, &l);
// Free bitmap and frame buffer
delete the_bitmap;
delete[] the_buffer;
// Tell emulator that we're done
the_window = NULL;
}
/*
* Window connected/disconnected
*/
void MacWindow::DirectConnected(direct_buffer_info *info)
{
switch (info->buffer_state & B_DIRECT_MODE_MASK) {
case B_DIRECT_STOP:
acquire_sem(drawing_sem);
break;
case B_DIRECT_MODIFY:
acquire_sem(drawing_sem);
case B_DIRECT_START:
bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8);
bytes_per_row = info->bytes_per_row;
pixel_format = info->pixel_format;
unclipped = false;
if (info->clip_list_count == 1)
if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0)
unclipped = true;
release_sem(drawing_sem);
break;
}
}
/*
* Handle redraw and menu messages
*/
void MacWindow::MessageReceived(BMessage *msg)
{
BMessage *msg2;
switch (msg->what) {
case MSG_REDRAW: {
// Prevent backlog of messages
MessageQueue()->Lock();
while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) {
MessageQueue()->RemoveMessage(msg2);
delete msg2;
}
MessageQueue()->Unlock();
// Convert Mac screen buffer to BeOS palette and blit
uint8 *source = the_buffer - 1;
uint8 *dest = (uint8 *)the_bitmap->Bits() - 1;
uint32 length = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
for (int i=0; i<length; i++)
*++dest = remap_mac_be[*++source];
BRect update_rect = BRect(0, 0, VideoMonitor.mode.x-1, VideoMonitor.mode.y-1);
main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect);
break;
}
case MSG_ABOUT_REQUESTED: {
ShowAboutWindow();
break;
}
case MSG_REF_5HZ:
PrefsReplaceInt32("frameskip", frame_skip = 12);
break;
case MSG_REF_7_5HZ:
PrefsReplaceInt32("frameskip", frame_skip = 8);
break;
case MSG_REF_10HZ:
PrefsReplaceInt32("frameskip", frame_skip = 6);
break;
case MSG_REF_15HZ:
PrefsReplaceInt32("frameskip", frame_skip = 4);
break;
case MSG_REF_30HZ:
PrefsReplaceInt32("frameskip", frame_skip = 2);
break;
case MSG_REF_60HZ:
PrefsReplaceInt32("frameskip", frame_skip = 1);
break;
case MSG_MOUNT: {
BMenuItem *source = NULL;
msg->FindPointer("source", (void **)&source);
if (source)
SysMountVolume(source->Label());
break;
}
#if DEBUGGER_AVAILABLE
case MSG_DEBUGGER:
extern int debugging;
debugging = 1;
regs.spcflags |= SPCFLAG_BRK;
break;
#endif
default:
BDirectWindow::MessageReceived(msg);
}
}
/*
* Window activated/deactivated
*/
void MacWindow::WindowActivated(bool active)
{
if (active) {
frame_skip = PrefsFindInt32("frameskip");
if (frame_skip == 0)
frame_skip = 1;
} else
frame_skip = 12; // 5Hz in background
}
/*
* 60Hz interrupt routine
*/
status_t MacWindow::tick_func(void *arg)
{
MacWindow *obj = (MacWindow *)arg;
static int tick_counter = 0;
while (obj->tick_thread_active) {
tick_counter++;
if (tick_counter >= obj->frame_skip) {
tick_counter = 0;
// Window title is determined by Scroll Lock state
uint32 scroll_lock_state = modifiers() & B_SCROLL_LOCK;
if (scroll_lock_state != obj->old_scroll_lock_state) {
if (scroll_lock_state)
obj->SetTitle(GetString(STR_WINDOW_TITLE_FROZEN));
else
obj->SetTitle(GetString(STR_WINDOW_TITLE));
obj->old_scroll_lock_state = scroll_lock_state;
}
// Has the Mac started?
if (HasMacStarted()) {
// Yes, set new cursor image if it was changed
if (memcmp(MacCursor+4, Mac2HostAddr(0x844), 64)) {
Mac2Host_memcpy(MacCursor+4, 0x844, 64); // Cursor image
MacCursor[2] = ReadMacInt8(0x885); // Hotspot
MacCursor[3] = ReadMacInt8(0x887);
be_app->SetCursor(MacCursor);
}
}
// Refresh screen unless Scroll Lock is down
if (!scroll_lock_state) {
// If direct frame buffer access is supported and the content area is completely visible,
// convert the Mac screen buffer directly. Otherwise, send a message to the window to do
// it into a bitmap
if (obj->supports_direct_mode) {
if (acquire_sem(obj->drawing_sem) != B_NO_ERROR)
return 0;
if (obj->unclipped && obj->pixel_format == B_CMAP8) {
uint8 *source = obj->the_buffer - 1;
uint8 *dest = (uint8 *)obj->bits;
uint32 bytes_per_row = obj->bytes_per_row;
int xsize = VideoMonitor.mode.x;
int ysize = VideoMonitor.mode.y;
for (int y=0; y<ysize; y++) {
uint32 *p = (uint32 *)dest - 1;
for (int x=0; x<xsize/4; x++) {
#if B_HOST_IS_BENDIAN
uint32 c = obj->remap_mac_be[*++source] << 24;
c |= obj->remap_mac_be[*++source] << 16;
c |= obj->remap_mac_be[*++source] << 8;
c |= obj->remap_mac_be[*++source];
#else
uint32 c = obj->remap_mac_be[*++source];
c |= obj->remap_mac_be[*++source] << 8;
c |= obj->remap_mac_be[*++source] << 16;
c |= obj->remap_mac_be[*++source] << 24;
#endif
*++p = c;
}
dest += bytes_per_row;
}
} else
obj->PostMessage(MSG_REDRAW);
release_sem(obj->drawing_sem);
} else
obj->PostMessage(MSG_REDRAW);
}
}
snooze(16666);
}
return 0;
}
/*
* Mouse moved in window
*/
void BitmapView::MouseMoved(BPoint point, uint32 transit, const BMessage *message)
{
switch (transit) {
case B_ENTERED_VIEW:
((MacWindow *)Window())->mouse_in_view = true;
be_app->SetCursor(MacCursor);
break;
case B_EXITED_VIEW:
((MacWindow *)Window())->mouse_in_view = false;
be_app->SetCursor(B_HAND_CURSOR);
break;
}
}
/*
* Screen constructor
*/
MacScreen::MacScreen(const char *name, int mode_bit, status_t *error) : BWindowScreen(name, 1 << mode_bit, error), tick_thread(-1)
{
// Set all variables
frame_backup = NULL;
palette_changed = false;
screen_active = false;
first_time = true;
quitting = false;
// Set relative mouse mode
ADBSetRelMouseMode(true);
// Create view to get mouse events
main_view = new BView(Frame(), NULL, B_FOLLOW_NONE, 0);
AddChild(main_view);
// Start 60Hz interrupt
tick_thread_active = true;
tick_thread = spawn_thread(tick_func, "Polling sucks...", B_DISPLAY_PRIORITY, this);
resume_thread(tick_thread);
// Add filter for keyboard and mouse events
BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func);
AddCommonFilter(filter);
}
/*
* Screen destructor
*/
MacScreen::~MacScreen()
{
// Stop 60Hz interrupt
if (tick_thread > 0) {
status_t l;
tick_thread_active = false;
wait_for_thread(tick_thread, &l);
}
// Tell emulator that we're done
the_screen = NULL;
}
/*
* Screen closed
*/
void MacScreen::Quit(void)
{
// Tell ScreenConnected() that we are quitting
quitting = true;
BWindowScreen::Quit();
}
/*
* Screen connected/disconnected
*/
void MacScreen::ScreenConnected(bool active)
{
graphics_card_info *info = CardInfo();
screen_active = active;
if (active == true) {
// Add resolution and set VideoMonitor
if (first_time) {
set_video_monitor(info->width, info->height, info->bytes_per_row, info->bits_per_pixel);
first_time = false;
}
// Set VideoMonitor
#if REAL_ADDRESSING
VideoMonitor.mac_frame_base = (uint32)info->frame_buffer;
#else
VideoMonitor.mac_frame_base = MacFrameBaseMac;
#endif
#if !REAL_ADDRESSING
// Set variables for UAE memory mapping
MacFrameBaseHost = (uint8 *)info->frame_buffer;
MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
switch (info->bits_per_pixel) {
case 15:
MacFrameLayout = FLAYOUT_HOST_555;
break;
case 16:
MacFrameLayout = FLAYOUT_HOST_565;
break;
case 32:
MacFrameLayout = FLAYOUT_HOST_888;
break;
default:
MacFrameLayout = FLAYOUT_DIRECT;
break;
}
#endif
// Copy from backup store to frame buffer
if (frame_backup != NULL) {
memcpy(info->frame_buffer, frame_backup, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
delete[] frame_backup;
frame_backup = NULL;
}
// Restore palette
if (VideoMonitor.mode.depth == VDEPTH_8BIT)
SetColorList(palette);
// Restart/signal emulator thread
release_sem(mac_os_lock);
} else {
if (!quitting) {
// Stop emulator thread
acquire_sem(mac_os_lock);
// Create backup store and save frame buffer
frame_backup = new uint8[VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y];
memcpy(frame_backup, info->frame_buffer, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
}
}
}
/*
* Screen 60Hz interrupt routine
*/
status_t MacScreen::tick_func(void *arg)
{
MacScreen *obj = (MacScreen *)arg;
while (obj->tick_thread_active) {
// Wait
snooze(16667);
// Workspace activated? Then poll the mouse and set the palette if needed
if (!obj->quitting && obj->LockWithTimeout(200000) == B_OK) {
if (obj->screen_active) {
BPoint pt;
uint32 button = 0;
if (obj->palette_changed) {
obj->palette_changed = false;
obj->SetColorList(obj->palette);
}
obj->main_view->GetMouse(&pt, &button);
set_mouse_position(320, 240);
ADBMouseMoved(int(pt.x) - 320, int(pt.y) - 240);
if (button & B_PRIMARY_MOUSE_BUTTON)
ADBMouseDown(0);
if (!(button & B_PRIMARY_MOUSE_BUTTON))
ADBMouseUp(0);
if (button & B_SECONDARY_MOUSE_BUTTON)
ADBMouseDown(1);
if (!(button & B_SECONDARY_MOUSE_BUTTON))
ADBMouseUp(1);
if (button & B_TERTIARY_MOUSE_BUTTON)
ADBMouseDown(2);
if (!(button & B_TERTIARY_MOUSE_BUTTON))
ADBMouseUp(2);
}
obj->Unlock();
}
}
return 0;
}
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