src/AmigaOS/video_amiga.cpp

/*
 *  video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff
 *
 *  Basilisk II (C) 1997-2000 Christian Bauer
 *
 *  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 <exec/types.h>
#include <intuition/intuition.h>
#include <graphics/rastport.h>
#include <graphics/gfx.h>
#include <cybergraphics/cybergraphics.h>
#include <dos/dostags.h>
#include <devices/timer.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/intuition.h>
#include <proto/graphics.h>
#include <proto/Picasso96.h>
#include <proto/cybergraphics.h>

#include "sysdeps.h"
#include "main.h"
#include "adb.h"
#include "prefs.h"
#include "user_strings.h"
#include "video.h"

#define DEBUG 0
#include "debug.h"


// Display types
enum {
        DISPLAY_WINDOW,
        DISPLAY_PIP,
        DISPLAY_SCREEN_P96,
        DISPLAY_SCREEN_CGFX
};

// Global variables
static int32 frame_skip;
static int display_type = DISPLAY_WINDOW;               // See enum above
static struct Screen *the_screen = NULL;
static struct Window *the_win = NULL;
static struct BitMap *the_bitmap = NULL;
static UWORD *null_pointer = NULL;                              // Blank mouse pointer data
static UWORD *current_pointer = (UWORD *)-1;    // Currently visible mouse pointer data
static LONG black_pen = -1, white_pen = -1;
static struct Process *periodic_proc = NULL;    // Periodic process

extern struct Task *MainTask;                                   // Pointer to main task (from main_amiga.cpp)


// Amiga -> Mac raw keycode translation table
static const uint8 keycode2mac[0x80] = {
        0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, 0x1a, //   `   1   2   3   4   5   6   7
        0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x2a, 0xff, 0x52, //   8   9   0   -   =   \ inv   0
        0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, //   Q   W   E   R   T   Y   U   I
        0x1f, 0x23, 0x21, 0x1e, 0xff, 0x53, 0x54, 0x55, //   O   P   [   ] inv   1   2   3
        0x00, 0x01, 0x02, 0x03, 0x05, 0x04, 0x26, 0x28, //   A   S   D   F   G   H   J   K
        0x25, 0x29, 0x27, 0x2a, 0xff, 0x56, 0x57, 0x58, //   L   ;   '   # inv   4   5   6
        0x32, 0x06, 0x07, 0x08, 0x09, 0x0b, 0x2d, 0x2e, //   <   Z   X   C   V   B   N   M
        0x2b, 0x2f, 0x2c, 0xff, 0x41, 0x59, 0x5b, 0x5c, //   ,   .   / inv   .   7   8   9
        0x31, 0x33, 0x30, 0x4c, 0x24, 0x35, 0x75, 0xff, // SPC BSP TAB ENT RET ESC DEL inv
        0xff, 0xff, 0x4e, 0xff, 0x3e, 0x3d, 0x3c, 0x3b, // inv inv   - inv CUP CDN CRT CLF
        0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, 0x62, 0x64, //  F1  F2  F3  F4  F5  F6  F7  F8
        0x65, 0x6d, 0x47, 0x51, 0x4b, 0x43, 0x45, 0x72, //  F9 F10   (   )   /   *   + HLP
        0x38, 0x38, 0x39, 0x36, 0x3a, 0x3a, 0x37, 0x37, // SHL SHR CAP CTL ALL ALR AML AMR
        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
};


// Prototypes
static void periodic_func(void);


/*
 *  Initialization
 */

// Open window
static bool init_window(int width, int height)
{
        // Set absolute mouse mode
        ADBSetRelMouseMode(false);

        // Open window
        the_win = OpenWindowTags(NULL,
                WA_Left, 0, WA_Top, 0,
                WA_InnerWidth, width, WA_InnerHeight, height,
                WA_SimpleRefresh, TRUE,
                WA_NoCareRefresh, TRUE,
                WA_Activate, TRUE,
                WA_RMBTrap, TRUE,
                WA_ReportMouse, TRUE,
                WA_DragBar, TRUE,
                WA_DepthGadget, TRUE,
                WA_SizeGadget, FALSE,
                WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
                TAG_END
        );
        if (the_win == NULL) {
                ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
                return false;
        }

        // Create bitmap ("height + 2" for safety)
        the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL);
        if (the_bitmap == NULL) {
                ErrorAlert(GetString(STR_NO_MEM_ERR));
                return false;
        }

        // Set VideoMonitor
        VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
        VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
        VideoMonitor.x = width;
        VideoMonitor.y = height;
        VideoMonitor.mode = VMODE_1BIT;

        // Set FgPen and BgPen
        black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
        white_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0xffffffff, 0xffffffff, 0xffffffff, NULL);
        SetAPen(the_win->RPort, black_pen);
        SetBPen(the_win->RPort, white_pen);
        SetDrMd(the_win->RPort, JAM2);
        return true;
}

// Open PIP (requires Picasso96)
static bool init_pip(int width, int height)
{
        // Set absolute mouse mode
        ADBSetRelMouseMode(false);

        // Open window
        ULONG error = 0;
        the_win = p96PIP_OpenTags(
                P96PIP_SourceFormat, RGBFB_R5G5B5,
                P96PIP_SourceWidth, width,
                P96PIP_SourceHeight, height,
                P96PIP_ErrorCode, (ULONG)&error,
                WA_Left, 0, WA_Top, 0,
                WA_InnerWidth, width, WA_InnerHeight, height,
                WA_SimpleRefresh, TRUE,
                WA_NoCareRefresh, TRUE,
                WA_Activate, TRUE,
                WA_RMBTrap, TRUE,
                WA_ReportMouse, TRUE,
                WA_DragBar, TRUE,
                WA_DepthGadget, TRUE,
                WA_SizeGadget, FALSE,
                WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
                WA_PubScreenName, (ULONG)"Workbench",
                TAG_END
        );
        if (the_win == NULL || error) {
                ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
                return false;
        }

        // Find bitmap
        p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);

        // Set VideoMonitor
        VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
        VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW);
        VideoMonitor.x = width;
        VideoMonitor.y = height;
        VideoMonitor.mode = VMODE_16BIT;
        return true;
}

// Open Picasso96 screen
static bool init_screen_p96(ULONG mode_id)
{
        // Set relative mouse mode
        ADBSetRelMouseMode(true);

        // Check if the mode is one we can handle
        uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
        uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);

        switch (depth) {
                case 8:
                        VideoMonitor.mode = VMODE_8BIT;
                        break;
                case 15:
                case 16:
                        if (format != RGBFB_R5G5B5) {
                                ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
                                return false;
                        }
                        VideoMonitor.mode = VMODE_16BIT;
                        break;
                case 24:
                case 32:
                        if (format != RGBFB_A8R8G8B8) {
                                ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
                                return false;
                        }
                        VideoMonitor.mode = VMODE_32BIT;
                        break;
                default:
                        ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
                        return false;
        }

        // Yes, get width and height
        uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
        uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);

        VideoMonitor.x = width;
        VideoMonitor.y = height;

        // Open screen
        the_screen = p96OpenScreenTags(
                P96SA_DisplayID, mode_id,
                P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
                P96SA_Quiet, TRUE,
                P96SA_NoMemory, TRUE,
                P96SA_NoSprite, TRUE,
                P96SA_Exclusive, TRUE,
                TAG_END
        );
        if (the_screen == NULL) {
                ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
                return false;
        }

        // Open window
        the_win = OpenWindowTags(NULL,
                WA_Left, 0, WA_Top, 0,
                WA_Width, width, WA_Height, height,
                WA_NoCareRefresh, TRUE,
                WA_Borderless, TRUE,
                WA_Activate, TRUE,
                WA_RMBTrap, TRUE,
                WA_ReportMouse, TRUE,
                WA_CustomScreen, (ULONG)the_screen,
                TAG_END
        );
        if (the_win == NULL) {
                ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
                return false;
        }

        // Set VideoMonitor
        ScreenToFront(the_screen);
        VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
        VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
        return true;
}

// Open CyberGraphX screen
static bool init_screen_cgfx(ULONG mode_id)
{
        // Set relative mouse mode
        ADBSetRelMouseMode(true);

        // Check if the mode is one we can handle
        uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
        uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);

        switch (depth) {
                case 8:
                        VideoMonitor.mode = VMODE_8BIT;
                        break;
                case 15:
                case 16:
                        if (format != PIXFMT_RGB16) {
                                ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
                                return false;
                        }
                        VideoMonitor.mode = VMODE_16BIT;
                        break;
                case 24:
                case 32:
                        if (format != PIXFMT_ARGB32) {
                                ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
                                return false;
                        }
                        VideoMonitor.mode = VMODE_32BIT;
                        break;
                default:
                        ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
                        return false;
        }

        // Yes, get width and height
        uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
        uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);

        VideoMonitor.x = width;
        VideoMonitor.y = height;

        // Open screen
        the_screen = OpenScreenTags(NULL,
                SA_DisplayID, mode_id,
                SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
                SA_Quiet, TRUE,
                SA_Exclusive, TRUE,
                TAG_END
        );
        if (the_screen == NULL) {
                ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
                return false;
        }

        // Open window
        the_win = OpenWindowTags(NULL,
                WA_Left, 0, WA_Top, 0,
                WA_Width, width, WA_Height, height,
                WA_NoCareRefresh, TRUE,
                WA_Borderless, TRUE,
                WA_Activate, TRUE,
                WA_RMBTrap, TRUE,
                WA_ReportMouse, TRUE,
                WA_CustomScreen, (ULONG)the_screen,
                TAG_END
        );
        if (the_win == NULL) {
                ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
                return false;
        }

        // Set VideoMonitor
        ScreenToFront(the_screen);
        static UWORD ptr[] = { 0, 0, 0, 0 };
        SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide mouse pointer
        APTR handle = LockBitMapTags(the_screen->RastPort.BitMap, 
                        LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
                        TAG_END);
        UnLockBitMap(handle);
        VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
        return true;
}

bool VideoInit(bool classic)
{
        // Allocate blank mouse pointer data
        null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
        if (null_pointer == NULL) {
                ErrorAlert(GetString(STR_NO_MEM_ERR));
                return false;
        }

        // Read frame skip prefs
        frame_skip = PrefsFindInt32("frameskip");
        if (frame_skip == 0)
                frame_skip = 1;

        // Get screen mode from preferences
        const char *mode_str;
        if (classic)
                mode_str = "win/512/342";
        else
                mode_str = PrefsFindString("screen");

        // Determine type and mode
        display_type = DISPLAY_WINDOW;
        int width = 512, height = 384;
        ULONG mode_id = 0;
        if (mode_str) {
                if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
                        display_type = DISPLAY_WINDOW;
                else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
                        display_type = DISPLAY_PIP;
                else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base)) {
                        if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
                                display_type = DISPLAY_SCREEN_P96;
                        else if (CyberGfxBase && IsCyberModeID(mode_id))
                                display_type = DISPLAY_SCREEN_CGFX;
                        else {
                                ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
                                return false;
                        }
                }
        }

        // Open display
        switch (display_type) {
                case DISPLAY_WINDOW:
                        if (!init_window(width, height))
                                return false;
                        break;

                case DISPLAY_PIP:
                        if (!init_pip(width, height))
                                return false;
                        break;

                case DISPLAY_SCREEN_P96:
                        if (!init_screen_p96(mode_id))
                                return false;
                        break;

                case DISPLAY_SCREEN_CGFX:
                        if (!init_screen_cgfx(mode_id))
                                return false;
                        break;
        }

        // Start periodic process
        periodic_proc = CreateNewProcTags(
                NP_Entry, (ULONG)periodic_func,
                NP_Name, (ULONG)"Basilisk II IDCMP Handler",
                NP_Priority, 0,
                TAG_END
        );
        if (periodic_proc == NULL) {
                ErrorAlert(GetString(STR_NO_MEM_ERR));
                return false;
        }
        return true;
}


/*
 *  Deinitialization
 */

void VideoExit(void)
{
        // Stop periodic process
        if (periodic_proc) {
                SetSignal(0, SIGF_SINGLE);
                Signal(&periodic_proc->pr_Task, SIGBREAKF_CTRL_C);
                Wait(SIGF_SINGLE);
        }

        switch (display_type) {

                case DISPLAY_WINDOW:

                        // Window mode, free bitmap
                        if (the_bitmap) {
                                WaitBlit();
                                FreeBitMap(the_bitmap);
                        }

                        // Free pens and close window
                        if (the_win) {
                                ReleasePen(the_win->WScreen->ViewPort.ColorMap, black_pen);
                                ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);

                                CloseWindow(the_win);
                        }
                        break;

                case DISPLAY_PIP:

                        // Close PIP
                        if (the_win)
                                p96PIP_Close(the_win);
                        break;

                case DISPLAY_SCREEN_P96:

                        // Close window
                        if (the_win)
                                CloseWindow(the_win);

                        // Close screen
                        if (the_screen) {
                                p96CloseScreen(the_screen);
                                the_screen = NULL;
                        }
                        break;

                case DISPLAY_SCREEN_CGFX:

                        // Close window
                        if (the_win)
                                CloseWindow(the_win);

                        // Close screen
                        if (the_screen) {
                                CloseScreen(the_screen);
                                the_screen = NULL;
                        }
                        break;
        }

        // Free mouse pointer
        if (null_pointer) {
                FreeMem(null_pointer, 12);
                null_pointer = NULL;
        }
}


/*
 *  Set palette
 */

void video_set_palette(uint8 *pal)
{
        if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) {

                // Convert palette to 32 bits
                ULONG table[2 + 256 * 3];
                table[0] = 256 << 16;
                table[256 * 3 + 1] = 0;
                for (int i=0; i<256; i++) {
                        table[i*3+1] = pal[i*3] * 0x01010101;
                        table[i*3+2] = pal[i*3+1] * 0x01010101;
                        table[i*3+3] = pal[i*3+2] * 0x01010101;
                }

                // And load it
                LoadRGB32(&the_screen->ViewPort, table);
        }
}


/*
 *  Video message handling (not neccessary under AmigaOS, handled by periodic_func())
 */

void VideoInterrupt(void)
{
}


/*
 *  Process for window refresh and message handling
 */

static __saveds void periodic_func(void)
{
        struct MsgPort *timer_port = NULL;
        struct timerequest *timer_io = NULL;
        struct IntuiMessage *msg;
        ULONG win_mask = 0, timer_mask = 0;

        // Create message port for window and attach it
        struct MsgPort *win_port = CreateMsgPort();
        if (win_port) {
                win_mask = 1 << win_port->mp_SigBit;
                the_win->UserPort = win_port;
                ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
        }

        // Start 60Hz timer for window refresh
        if (display_type == DISPLAY_WINDOW) {
                timer_port = CreateMsgPort();
                if (timer_port) {
                        timer_io = (struct timerequest *)CreateIORequest(timer_port, sizeof(struct timerequest));
                        if (timer_io) {
                                if (!OpenDevice((UBYTE *)TIMERNAME, UNIT_MICROHZ, (struct IORequest *)timer_io, 0)) {
                                        timer_mask = 1 << timer_port->mp_SigBit;
                                        timer_io->tr_node.io_Command = TR_ADDREQUEST;
                                        timer_io->tr_time.tv_secs = 0;
                                        timer_io->tr_time.tv_micro = 16667 * frame_skip;
                                        SendIO((struct IORequest *)timer_io);
                                }
                        }
                }
        }

        // Main loop
        for (;;) {

                // Wait for timer and/or window (CTRL_C is used for quitting the task)
                ULONG sig = Wait(win_mask | timer_mask | SIGBREAKF_CTRL_C);

                if (sig & SIGBREAKF_CTRL_C)
                        break;

                if (sig & timer_mask) {

                        // Timer tick, update display
                        BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
                                the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);

                        // Restart timer
                        timer_io->tr_node.io_Command = TR_ADDREQUEST;
                        timer_io->tr_time.tv_secs = 0;
                        timer_io->tr_time.tv_micro = 16667 * frame_skip;
                        SendIO((struct IORequest *)timer_io);
                }

                if (sig & win_mask) {

                        // Handle window messages
                        while (msg = (struct IntuiMessage *)GetMsg(win_port)) {

                                // Get data from message and reply
                                ULONG cl = msg->Class;
                                UWORD code = msg->Code;
                                UWORD qualifier = msg->Qualifier;
                                WORD mx = msg->MouseX;
                                WORD my = msg->MouseY;
                                ReplyMsg((struct Message *)msg);

                                // Handle message according to class
                                switch (cl) {
                                        case IDCMP_MOUSEMOVE:
                                                if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
                                                        ADBMouseMoved(mx, my);
                                                else {
                                                        ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
                                                        if (mx < the_win->BorderLeft
                                                         || my < the_win->BorderTop
                                                         || mx >= the_win->BorderLeft + VideoMonitor.x
                                                         || my >= the_win->BorderTop + VideoMonitor.y) {
                                                                if (current_pointer) {
                                                                        ClearPointer(the_win);
                                                                        current_pointer = NULL;
                                                                }
                                                        } else {
                                                                if (current_pointer != null_pointer) {
                                                                        // Hide mouse pointer inside window
                                                                        SetPointer(the_win, null_pointer, 1, 16, 0, 0);
                                                                        current_pointer = null_pointer;
                                                                }
                                                        }
                                                }
                                                break;

                                        case IDCMP_MOUSEBUTTONS:
                                                if (code == SELECTDOWN)
                                                        ADBMouseDown(0);
                                                else if (code == SELECTUP)
                                                        ADBMouseUp(0);
                                                else if (code == MENUDOWN)
                                                        ADBMouseDown(1);
                                                else if (code == MENUUP)
                                                        ADBMouseUp(1);
                                                else if (code == MIDDLEDOWN)
                                                        ADBMouseDown(2);
                                                else if (code == MIDDLEUP)
                                                        ADBMouseUp(2);
                                                break;

                                        case IDCMP_RAWKEY:
                                                if (qualifier & IEQUALIFIER_REPEAT)     // Keyboard repeat is done by MacOS
                                                        break;
                                                if (code & IECODE_UP_PREFIX)
                                                        ADBKeyUp(keycode2mac[code & 0x7f]);
                                                else
                                                        ADBKeyDown(keycode2mac[code & 0x7f]);
                                                break;
                                }
                        }
                }
        }

        // Stop timer
        if (timer_io) {
                if (!CheckIO((struct IORequest *)timer_io))
                        AbortIO((struct IORequest *)timer_io);
                WaitIO((struct IORequest *)timer_io);
                CloseDevice((struct IORequest *)timer_io);
                DeleteIORequest(timer_io);
        }
        if (timer_port)
                DeleteMsgPort(timer_port);

        // Remove port from window and delete it
        Forbid();
        msg = (struct IntuiMessage *)win_port->mp_MsgList.lh_Head;
        struct Node *succ;
        while (succ = msg->ExecMessage.mn_Node.ln_Succ) {
                if (msg->IDCMPWindow == the_win) {
                        Remove((struct Node *)msg);
                        ReplyMsg((struct Message *)msg);
                }
                msg = (struct IntuiMessage *)succ;
        }
        the_win->UserPort = NULL;
        ModifyIDCMP(the_win, 0);
        Permit();
        DeleteMsgPort(win_port);

        // Main task asked for termination, send signal
        Forbid();
        Signal(MainTask, SIGF_SINGLE);
}
Revision:	1.8
Committed:	2000-07-22T18:25:48Z (24 years, 4 months ago) by cebix
Branch:	MAIN
Changes since 1.7:	+32 -1 lines
Log Message:	- Amiga mouse pointer is hidden inside windowed displays
#	User	Rev	Content
1	cebix	1.1	/*
2			* video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff
3			*
4	cebix	1.3	* Basilisk II (C) 1997-2000 Christian Bauer
5	cebix	1.1	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#include <exec/types.h>
22			#include <intuition/intuition.h>
23			#include <graphics/rastport.h>
24			#include <graphics/gfx.h>
25	cebix	1.7	#include <cybergraphics/cybergraphics.h>
26	cebix	1.1	#include <dos/dostags.h>
27			#include <devices/timer.h>
28			#include <proto/exec.h>
29			#include <proto/dos.h>
30			#include <proto/intuition.h>
31			#include <proto/graphics.h>
32			#include <proto/Picasso96.h>
33	cebix	1.4	#include <proto/cybergraphics.h>
34	cebix	1.1
35			#include "sysdeps.h"
36			#include "main.h"
37			#include "adb.h"
38			#include "prefs.h"
39			#include "user_strings.h"
40			#include "video.h"
41
42	cebix	1.4	#define DEBUG 0
43	cebix	1.1	#include "debug.h"
44
45
46			// Display types
47			enum {
48			DISPLAY_WINDOW,
49			DISPLAY_PIP,
50	cebix	1.6	DISPLAY_SCREEN_P96,
51			DISPLAY_SCREEN_CGFX
52	cebix	1.1	};
53
54			// Global variables
55			static int32 frame_skip;
56			static int display_type = DISPLAY_WINDOW; // See enum above
57			static struct Screen *the_screen = NULL;
58			static struct Window *the_win = NULL;
59			static struct BitMap *the_bitmap = NULL;
60	cebix	1.8	static UWORD *null_pointer = NULL; // Blank mouse pointer data
61			static UWORD current_pointer = (UWORD )-1; // Currently visible mouse pointer data
62	cebix	1.1	static LONG black_pen = -1, white_pen = -1;
63			static struct Process *periodic_proc = NULL; // Periodic process
64
65			extern struct Task *MainTask; // Pointer to main task (from main_amiga.cpp)
66
67
68			// Amiga -> Mac raw keycode translation table
69			static const uint8 keycode2mac[0x80] = {
70			0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, 0x1a, // ` 1 2 3 4 5 6 7
71			0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x2a, 0xff, 0x52, // 8 9 0 - = \ inv 0
72			0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, // Q W E R T Y U I
73			0x1f, 0x23, 0x21, 0x1e, 0xff, 0x53, 0x54, 0x55, // O P [ ] inv 1 2 3
74			0x00, 0x01, 0x02, 0x03, 0x05, 0x04, 0x26, 0x28, // A S D F G H J K
75			0x25, 0x29, 0x27, 0x2a, 0xff, 0x56, 0x57, 0x58, // L ; ' # inv 4 5 6
76			0x32, 0x06, 0x07, 0x08, 0x09, 0x0b, 0x2d, 0x2e, // < Z X C V B N M
77			0x2b, 0x2f, 0x2c, 0xff, 0x41, 0x59, 0x5b, 0x5c, // , . / inv . 7 8 9
78			0x31, 0x33, 0x30, 0x4c, 0x24, 0x35, 0x75, 0xff, // SPC BSP TAB ENT RET ESC DEL inv
79			0xff, 0xff, 0x4e, 0xff, 0x3e, 0x3d, 0x3c, 0x3b, // inv inv - inv CUP CDN CRT CLF
80			0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, 0x62, 0x64, // F1 F2 F3 F4 F5 F6 F7 F8
81			0x65, 0x6d, 0x47, 0x51, 0x4b, 0x43, 0x45, 0x72, // F9 F10 ( ) / * + HLP
82			0x38, 0x38, 0x39, 0x36, 0x3a, 0x3a, 0x37, 0x37, // SHL SHR CAP CTL ALL ALR AML AMR
83			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
84			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
85			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
86			};
87
88
89			// Prototypes
90			static void periodic_func(void);
91
92
93			/*
94			* Initialization
95			*/
96
97			// Open window
98			static bool init_window(int width, int height)
99			{
100			// Set absolute mouse mode
101			ADBSetRelMouseMode(false);
102
103			// Open window
104			the_win = OpenWindowTags(NULL,
105			WA_Left, 0, WA_Top, 0,
106			WA_InnerWidth, width, WA_InnerHeight, height,
107			WA_SimpleRefresh, TRUE,
108			WA_NoCareRefresh, TRUE,
109			WA_Activate, TRUE,
110			WA_RMBTrap, TRUE,
111			WA_ReportMouse, TRUE,
112			WA_DragBar, TRUE,
113			WA_DepthGadget, TRUE,
114			WA_SizeGadget, FALSE,
115	cebix	1.2	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
116	cebix	1.1	TAG_END
117			);
118			if (the_win == NULL) {
119			ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
120			return false;
121			}
122
123			// Create bitmap ("height + 2" for safety)
124			the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL);
125			if (the_bitmap == NULL) {
126			ErrorAlert(GetString(STR_NO_MEM_ERR));
127			return false;
128			}
129
130			// Set VideoMonitor
131			VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
132			VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
133			VideoMonitor.x = width;
134			VideoMonitor.y = height;
135			VideoMonitor.mode = VMODE_1BIT;
136
137			// Set FgPen and BgPen
138			black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
139			white_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0xffffffff, 0xffffffff, 0xffffffff, NULL);
140			SetAPen(the_win->RPort, black_pen);
141			SetBPen(the_win->RPort, white_pen);
142			SetDrMd(the_win->RPort, JAM2);
143			return true;
144			}
145
146			// Open PIP (requires Picasso96)
147			static bool init_pip(int width, int height)
148			{
149			// Set absolute mouse mode
150			ADBSetRelMouseMode(false);
151
152			// Open window
153			ULONG error = 0;
154			the_win = p96PIP_OpenTags(
155			P96PIP_SourceFormat, RGBFB_R5G5B5,
156			P96PIP_SourceWidth, width,
157			P96PIP_SourceHeight, height,
158	cebix	1.2	P96PIP_ErrorCode, (ULONG)&error,
159	cebix	1.1	WA_Left, 0, WA_Top, 0,
160			WA_InnerWidth, width, WA_InnerHeight, height,
161			WA_SimpleRefresh, TRUE,
162			WA_NoCareRefresh, TRUE,
163			WA_Activate, TRUE,
164			WA_RMBTrap, TRUE,
165			WA_ReportMouse, TRUE,
166			WA_DragBar, TRUE,
167			WA_DepthGadget, TRUE,
168			WA_SizeGadget, FALSE,
169	cebix	1.2	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
170			WA_PubScreenName, (ULONG)"Workbench",
171	cebix	1.1	TAG_END
172			);
173			if (the_win == NULL \|\| error) {
174			ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
175			return false;
176			}
177
178			// Find bitmap
179	cebix	1.2	p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);
180	cebix	1.1
181			// Set VideoMonitor
182			VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
183			VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW);
184			VideoMonitor.x = width;
185			VideoMonitor.y = height;
186			VideoMonitor.mode = VMODE_16BIT;
187			return true;
188			}
189
190	cebix	1.6	// Open Picasso96 screen
191			static bool init_screen_p96(ULONG mode_id)
192	cebix	1.1	{
193			// Set relative mouse mode
194			ADBSetRelMouseMode(true);
195
196	cebix	1.6	// Check if the mode is one we can handle
197			uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
198			uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
199
200			switch (depth) {
201			case 8:
202			VideoMonitor.mode = VMODE_8BIT;
203			break;
204			case 15:
205			case 16:
206			if (format != RGBFB_R5G5B5) {
207			ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
208			return false;
209			}
210			VideoMonitor.mode = VMODE_16BIT;
211			break;
212			case 24:
213			case 32:
214			if (format != RGBFB_A8R8G8B8) {
215			ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
216			return false;
217			}
218			VideoMonitor.mode = VMODE_32BIT;
219			break;
220			default:
221			ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
222			return false;
223			}
224
225			// Yes, get width and height
226			uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
227			uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
228
229			VideoMonitor.x = width;
230			VideoMonitor.y = height;
231
232			// Open screen
233			the_screen = p96OpenScreenTags(
234			P96SA_DisplayID, mode_id,
235			P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
236			P96SA_Quiet, TRUE,
237			P96SA_NoMemory, TRUE,
238			P96SA_NoSprite, TRUE,
239			P96SA_Exclusive, TRUE,
240			TAG_END
241			);
242			if (the_screen == NULL) {
243			ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
244	cebix	1.1	return false;
245			}
246
247	cebix	1.6	// Open window
248			the_win = OpenWindowTags(NULL,
249			WA_Left, 0, WA_Top, 0,
250			WA_Width, width, WA_Height, height,
251			WA_NoCareRefresh, TRUE,
252			WA_Borderless, TRUE,
253			WA_Activate, TRUE,
254			WA_RMBTrap, TRUE,
255			WA_ReportMouse, TRUE,
256			WA_CustomScreen, (ULONG)the_screen,
257			TAG_END
258			);
259			if (the_win == NULL) {
260			ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
261			return false;
262			}
263
264			// Set VideoMonitor
265			ScreenToFront(the_screen);
266			VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
267			VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
268			return true;
269			}
270
271			// Open CyberGraphX screen
272			static bool init_screen_cgfx(ULONG mode_id)
273			{
274			// Set relative mouse mode
275			ADBSetRelMouseMode(true);
276	cebix	1.4
277	cebix	1.1	// Check if the mode is one we can handle
278	cebix	1.6	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
279			uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
280	cebix	1.4
281	cebix	1.1	switch (depth) {
282			case 8:
283			VideoMonitor.mode = VMODE_8BIT;
284			break;
285			case 15:
286			case 16:
287	cebix	1.6	if (format != PIXFMT_RGB16) {
288	cebix	1.1	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
289			return false;
290			}
291			VideoMonitor.mode = VMODE_16BIT;
292			break;
293			case 24:
294			case 32:
295	cebix	1.6	if (format != PIXFMT_ARGB32) {
296	cebix	1.1	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
297			return false;
298			}
299			VideoMonitor.mode = VMODE_32BIT;
300			break;
301			default:
302			ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
303			return false;
304			}
305
306			// Yes, get width and height
307	cebix	1.6	uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
308			uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
309	cebix	1.4
310	cebix	1.1	VideoMonitor.x = width;
311			VideoMonitor.y = height;
312
313			// Open screen
314	cebix	1.6	the_screen = OpenScreenTags(NULL,
315			SA_DisplayID, mode_id,
316			SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
317			SA_Quiet, TRUE,
318			SA_Exclusive, TRUE,
319			TAG_END
320			);
321	cebix	1.1	if (the_screen == NULL) {
322			ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
323			return false;
324			}
325
326			// Open window
327			the_win = OpenWindowTags(NULL,
328			WA_Left, 0, WA_Top, 0,
329			WA_Width, width, WA_Height, height,
330			WA_NoCareRefresh, TRUE,
331			WA_Borderless, TRUE,
332			WA_Activate, TRUE,
333			WA_RMBTrap, TRUE,
334			WA_ReportMouse, TRUE,
335	cebix	1.2	WA_CustomScreen, (ULONG)the_screen,
336	cebix	1.1	TAG_END
337			);
338			if (the_win == NULL) {
339			ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
340			return false;
341			}
342
343			// Set VideoMonitor
344			ScreenToFront(the_screen);
345	cebix	1.6	static UWORD ptr[] = { 0, 0, 0, 0 };
346			SetPointer(the_win, ptr, 0, 0, 0, 0); // Hide mouse pointer
347			APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
348			LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
349			TAG_END);
350			UnLockBitMap(handle);
351			VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
352	cebix	1.1	return true;
353			}
354
355			bool VideoInit(bool classic)
356			{
357	cebix	1.8	// Allocate blank mouse pointer data
358			null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC \| MEMF_CHIP \| MEMF_CLEAR);
359			if (null_pointer == NULL) {
360			ErrorAlert(GetString(STR_NO_MEM_ERR));
361			return false;
362			}
363
364	cebix	1.1	// Read frame skip prefs
365			frame_skip = PrefsFindInt32("frameskip");
366			if (frame_skip == 0)
367			frame_skip = 1;
368
369			// Get screen mode from preferences
370			const char *mode_str;
371			if (classic)
372			mode_str = "win/512/342";
373			else
374			mode_str = PrefsFindString("screen");
375
376			// Determine type and mode
377			display_type = DISPLAY_WINDOW;
378			int width = 512, height = 384;
379			ULONG mode_id = 0;
380			if (mode_str) {
381			if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
382			display_type = DISPLAY_WINDOW;
383			else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
384			display_type = DISPLAY_PIP;
385	cebix	1.6	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase \|\| P96Base)) {
386			if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
387			display_type = DISPLAY_SCREEN_P96;
388			else if (CyberGfxBase && IsCyberModeID(mode_id))
389			display_type = DISPLAY_SCREEN_CGFX;
390			else {
391			ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
392			return false;
393			}
394			}
395	cebix	1.1	}
396
397			// Open display
398			switch (display_type) {
399			case DISPLAY_WINDOW:
400			if (!init_window(width, height))
401			return false;
402			break;
403
404			case DISPLAY_PIP:
405			if (!init_pip(width, height))
406			return false;
407			break;
408
409	cebix	1.6	case DISPLAY_SCREEN_P96:
410			if (!init_screen_p96(mode_id))
411			return false;
412			break;
413
414			case DISPLAY_SCREEN_CGFX:
415			if (!init_screen_cgfx(mode_id))
416	cebix	1.1	return false;
417			break;
418			}
419
420			// Start periodic process
421			periodic_proc = CreateNewProcTags(
422	cebix	1.2	NP_Entry, (ULONG)periodic_func,
423			NP_Name, (ULONG)"Basilisk II IDCMP Handler",
424	cebix	1.1	NP_Priority, 0,
425			TAG_END
426			);
427			if (periodic_proc == NULL) {
428			ErrorAlert(GetString(STR_NO_MEM_ERR));
429			return false;
430			}
431			return true;
432			}
433
434
435			/*
436			* Deinitialization
437			*/
438
439			void VideoExit(void)
440			{
441			// Stop periodic process
442			if (periodic_proc) {
443			SetSignal(0, SIGF_SINGLE);
444			Signal(&periodic_proc->pr_Task, SIGBREAKF_CTRL_C);
445			Wait(SIGF_SINGLE);
446			}
447
448			switch (display_type) {
449
450			case DISPLAY_WINDOW:
451
452			// Window mode, free bitmap
453			if (the_bitmap) {
454			WaitBlit();
455			FreeBitMap(the_bitmap);
456			}
457
458			// Free pens and close window
459			if (the_win) {
460			ReleasePen(the_win->WScreen->ViewPort.ColorMap, black_pen);
461			ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
462
463			CloseWindow(the_win);
464			}
465			break;
466
467			case DISPLAY_PIP:
468
469			// Close PIP
470			if (the_win)
471			p96PIP_Close(the_win);
472			break;
473
474	cebix	1.6	case DISPLAY_SCREEN_P96:
475	cebix	1.1
476			// Close window
477			if (the_win)
478			CloseWindow(the_win);
479
480			// Close screen
481	cebix	1.4	if (the_screen) {
482	cebix	1.6	p96CloseScreen(the_screen);
483			the_screen = NULL;
484			}
485			break;
486
487			case DISPLAY_SCREEN_CGFX:
488
489			// Close window
490			if (the_win)
491			CloseWindow(the_win);
492	cebix	1.4
493	cebix	1.6	// Close screen
494			if (the_screen) {
495			CloseScreen(the_screen);
496	cebix	1.4	the_screen = NULL;
497			}
498	cebix	1.1	break;
499			}
500	cebix	1.8
501			// Free mouse pointer
502			if (null_pointer) {
503			FreeMem(null_pointer, 12);
504			null_pointer = NULL;
505			}
506	cebix	1.1	}
507
508
509			/*
510			* Set palette
511			*/
512
513			void video_set_palette(uint8 *pal)
514			{
515	cebix	1.6	if (display_type == DISPLAY_SCREEN_P96 \|\| display_type == DISPLAY_SCREEN_CGFX) {
516	cebix	1.1
517			// Convert palette to 32 bits
518			ULONG table[2 + 256 * 3];
519			table[0] = 256 << 16;
520			table[256 * 3 + 1] = 0;
521			for (int i=0; i<256; i++) {
522			table[i3+1] = pal[i3] * 0x01010101;
523			table[i3+2] = pal[i3+1] * 0x01010101;
524			table[i3+3] = pal[i3+2] * 0x01010101;
525			}
526
527			// And load it
528			LoadRGB32(&the_screen->ViewPort, table);
529			}
530			}
531
532
533			/*
534			* Video message handling (not neccessary under AmigaOS, handled by periodic_func())
535			*/
536
537			void VideoInterrupt(void)
538			{
539			}
540
541
542			/*
543			* Process for window refresh and message handling
544			*/
545
546			static __saveds void periodic_func(void)
547			{
548			struct MsgPort *timer_port = NULL;
549			struct timerequest *timer_io = NULL;
550			struct IntuiMessage *msg;
551			ULONG win_mask = 0, timer_mask = 0;
552
553			// Create message port for window and attach it
554			struct MsgPort *win_port = CreateMsgPort();
555			if (win_port) {
556			win_mask = 1 << win_port->mp_SigBit;
557			the_win->UserPort = win_port;
558	cebix	1.6	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS \| IDCMP_MOUSEMOVE \| IDCMP_RAWKEY \| ((display_type == DISPLAY_SCREEN_P96 \|\| display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
559	cebix	1.1	}
560
561			// Start 60Hz timer for window refresh
562			if (display_type == DISPLAY_WINDOW) {
563			timer_port = CreateMsgPort();
564			if (timer_port) {
565			timer_io = (struct timerequest *)CreateIORequest(timer_port, sizeof(struct timerequest));
566			if (timer_io) {
567			if (!OpenDevice((UBYTE )TIMERNAME, UNIT_MICROHZ, (struct IORequest )timer_io, 0)) {
568			timer_mask = 1 << timer_port->mp_SigBit;
569			timer_io->tr_node.io_Command = TR_ADDREQUEST;
570			timer_io->tr_time.tv_secs = 0;
571			timer_io->tr_time.tv_micro = 16667 * frame_skip;
572			SendIO((struct IORequest *)timer_io);
573			}
574			}
575			}
576			}
577
578			// Main loop
579			for (;;) {
580
581			// Wait for timer and/or window (CTRL_C is used for quitting the task)
582			ULONG sig = Wait(win_mask \| timer_mask \| SIGBREAKF_CTRL_C);
583
584			if (sig & SIGBREAKF_CTRL_C)
585			break;
586
587			if (sig & timer_mask) {
588
589			// Timer tick, update display
590			BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
591			the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);
592
593			// Restart timer
594			timer_io->tr_node.io_Command = TR_ADDREQUEST;
595			timer_io->tr_time.tv_secs = 0;
596			timer_io->tr_time.tv_micro = 16667 * frame_skip;
597			SendIO((struct IORequest *)timer_io);
598			}
599
600			if (sig & win_mask) {
601
602			// Handle window messages
603			while (msg = (struct IntuiMessage *)GetMsg(win_port)) {
604
605			// Get data from message and reply
606			ULONG cl = msg->Class;
607			UWORD code = msg->Code;
608			UWORD qualifier = msg->Qualifier;
609			WORD mx = msg->MouseX;
610			WORD my = msg->MouseY;
611			ReplyMsg((struct Message *)msg);
612
613			// Handle message according to class
614			switch (cl) {
615			case IDCMP_MOUSEMOVE:
616	cebix	1.7	if (display_type == DISPLAY_SCREEN_P96 \|\| display_type == DISPLAY_SCREEN_CGFX)
617	cebix	1.1	ADBMouseMoved(mx, my);
618	cebix	1.8	else {
619	cebix	1.1	ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
620	cebix	1.8	if (mx < the_win->BorderLeft
621			\|\| my < the_win->BorderTop
622			\|\| mx >= the_win->BorderLeft + VideoMonitor.x
623			\|\| my >= the_win->BorderTop + VideoMonitor.y) {
624			if (current_pointer) {
625			ClearPointer(the_win);
626			current_pointer = NULL;
627			}
628			} else {
629			if (current_pointer != null_pointer) {
630			// Hide mouse pointer inside window
631			SetPointer(the_win, null_pointer, 1, 16, 0, 0);
632			current_pointer = null_pointer;
633			}
634			}
635			}
636	cebix	1.1	break;
637
638			case IDCMP_MOUSEBUTTONS:
639			if (code == SELECTDOWN)
640			ADBMouseDown(0);
641			else if (code == SELECTUP)
642			ADBMouseUp(0);
643			else if (code == MENUDOWN)
644			ADBMouseDown(1);
645			else if (code == MENUUP)
646			ADBMouseUp(1);
647			else if (code == MIDDLEDOWN)
648			ADBMouseDown(2);
649			else if (code == MIDDLEUP)
650			ADBMouseUp(2);
651			break;
652
653			case IDCMP_RAWKEY:
654			if (qualifier & IEQUALIFIER_REPEAT) // Keyboard repeat is done by MacOS
655			break;
656			if (code & IECODE_UP_PREFIX)
657			ADBKeyUp(keycode2mac[code & 0x7f]);
658			else
659			ADBKeyDown(keycode2mac[code & 0x7f]);
660			break;
661			}
662			}
663			}
664			}
665
666			// Stop timer
667			if (timer_io) {
668			if (!CheckIO((struct IORequest *)timer_io))
669			AbortIO((struct IORequest *)timer_io);
670			WaitIO((struct IORequest *)timer_io);
671			CloseDevice((struct IORequest *)timer_io);
672			DeleteIORequest(timer_io);
673			}
674			if (timer_port)
675			DeleteMsgPort(timer_port);
676
677			// Remove port from window and delete it
678			Forbid();
679			msg = (struct IntuiMessage *)win_port->mp_MsgList.lh_Head;
680			struct Node *succ;
681			while (succ = msg->ExecMessage.mn_Node.ln_Succ) {
682			if (msg->IDCMPWindow == the_win) {
683			Remove((struct Node *)msg);
684			ReplyMsg((struct Message *)msg);
685			}
686			msg = (struct IntuiMessage *)succ;
687			}
688			the_win->UserPort = NULL;
689			ModifyIDCMP(the_win, 0);
690			Permit();
691			DeleteMsgPort(win_port);
692
693			// Main task asked for termination, send signal
694			Forbid();
695			Signal(MainTask, SIGF_SINGLE);
696			}