/*** $Id: timer-lite.c,v 1.22 2003/09/04 03:46:47 weiym Exp $**** timer-lite.c: The timer handling for MiniGUI Lite Version.**** Copyright (C) 2003 Feynman Software.** Copyright (C) 1999 ~ 2002 Wei Yongming.**** Current maintainer: Wei Yongming.**** Create date: 1999.04.21*/ /*** 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*//*** TODO:*/ #include <stdio.h>#include <stdlib.h>#include <string.h>#include <signal.h>#include <unistd.h>#include "common.h"#include "minigui.h"#include "gdi.h"#include "window.h"#include "cliprect.h"#include "gal.h"#include "internals.h"#include "timer.h"#ifndef _STAND_ALONE#include "client.h"#include "sharedres.h"#endifunsigned int __mg_timer_counter;static TIMER *timerstr [MAX_TIMERS];BOOL InitTimer (void){    return TRUE;}void TerminateTimer (void){    int i;    for (i = 0; i < MAX_TIMERS; i++) {        if (timerstr[i] != NULL)            free (timerstr[i]);        timerstr[i] = NULL;    }}/************************* Functions run in desktop thread *******************/void DispatchTimerMessage (unsigned int inter){    PMAINWIN pWin;    PMSGQUEUE pMsgQueue;    int i, slot;    for (i = 0; i < MAX_TIMERS; i++ ) {        if ( timerstr[i] ) {#if _TIMER_UNIT_10MS    	    timerstr[i]->count += inter;#else    	    timerstr[i]->count += 1<<7;#endif            if ( timerstr[i]->count >= timerstr[i]->speed ) {                pWin = GetMainWindowPtrOfControl (timerstr[i]->hWnd);                if (pWin == NULL) continue;                pMsgQueue = pWin->pMessages;                for (slot = 0; slot < DEF_NR_TIMERS; slot++) {                    if (pMsgQueue->TimerID[slot] == timerstr[i]->id                        && pMsgQueue->TimerOwner[slot] == timerstr[i]->hWnd)                        break;                }                if (slot != DEF_NR_TIMERS) {                    pMsgQueue->dwState |= (0x01 << slot);                }                timerstr[i]->count -= timerstr[i]->speed;            }        }    }}BOOL AddTimer (HWND hWnd, int id, unsigned int speed){    int i;    PMAINWIN pWin;    PMSGQUEUE pMsgQueue;    int slot;    if (!(pWin = GetMainWindowPtrOfControl (hWnd))) return FALSE;    pMsgQueue = pWin->pMessages;    // Is there an empty timer slot?    for (slot = 0; slot < DEF_NR_TIMERS; slot++) {        if ((pMsgQueue->TimerMask >> slot) & 0x01)            break;    }    if (slot == DEF_NR_TIMERS) goto badret;    for (i = 0; i < MAX_TIMERS; i++)        if ( timerstr[i] != NULL )            if ( timerstr[i]->hWnd == hWnd && timerstr[i]->id == id)                goto badret;    for (i = 0; i < MAX_TIMERS; i++)        if ( timerstr[i] == NULL )            break;    if (i == MAX_TIMERS)        goto badret ;    timerstr[i] = malloc (sizeof (TIMER));#if _TIMER_UNIT_10MS    timerstr[i]->speed = speed;#else    timerstr[i]->speed = (1000<<7)/speed;#endif    timerstr[i]->hWnd = hWnd;    timerstr[i]->id = id;    timerstr[i]->count = 0;    pMsgQueue->TimerOwner[slot] = hWnd;    pMsgQueue->TimerID[slot] = id;    pMsgQueue->TimerMask &= ~(0x01 << slot);#ifndef _STAND_ALONE    if (!mgIsServer)        set_select_timeout (USEC_10MS * speed);#endif    return TRUE;    badret:    return FALSE;}BOOL RemoveTimer (HWND hWnd, int id){    int i;    PMAINWIN pWin;    PMSGQUEUE pMsgQueue;    int slot;    void* temp;    if (!(pWin = GetMainWindowPtrOfControl (hWnd))) return FALSE;    pMsgQueue = pWin->pMessages;    for (slot = 0; slot < DEF_NR_TIMERS; slot++) {        if (pMsgQueue->TimerOwner[slot] == hWnd && pMsgQueue->TimerID[slot] == id)            break;    }    if (slot == DEF_NR_TIMERS) goto badret;    for (i = 0; i < MAX_TIMERS; i++)        if (timerstr[i] != NULL)            if (timerstr[i]->hWnd == hWnd && timerstr[i]->id == id)                break;    if (i == MAX_TIMERS) goto badret;        temp = timerstr[i];    timerstr[i] = NULL;    free (temp);    pMsgQueue->TimerMask |= (0x01 << slot);#ifndef _STAND_ALONE    if (!pMsgQueue->TimerMask && !mgIsServer)        set_select_timeout (0);#endif            return TRUE;badret:    return FALSE;}BOOL GUIAPI IsTimerInstalled (HWND hWnd, int id){    int i;    for (i=0; i<MAX_TIMERS; i++) {        if ( timerstr[i] != NULL ) {            if ( timerstr[i]->hWnd == hWnd && timerstr[i]->id == id) {                return TRUE;            }        }    }    return FALSE;}BOOL SetTimerSpeed (HWND hWnd, int id, unsigned int speed){    int i;        for (i=0; i<MAX_TIMERS; i++)	if (timerstr[i]->hWnd == hWnd && timerstr[i]->id == id) {#if _TIMER_UNIT_10MS		timerstr[i]->speed = speed;#else		timerstr[i]->speed = (1000<<7)/speed;#endif		timerstr[i]->count = 0;        return TRUE;	}    return FALSE;}/****************** Timer Interfaces for applications ************************/unsigned int GUIAPI GetTickCount (){#ifdef _STAND_ALONE    return __mg_timer_counter;#else    return SHAREDRES_TIMER_COUNTER;#endif}BOOL GUIAPI SetTimer (HWND hWnd, int id, unsigned int speed){    TIMER timer;        timer.hWnd = hWnd;    timer.id = id;    timer.speed = speed;        return SendMessage (HWND_DESKTOP, MSG_ADDTIMER, 0, (LPARAM)&timer);}BOOL GUIAPI KillTimer (HWND hWnd, int id){    TIMER timer;        timer.hWnd = hWnd;    timer.id = id;        return SendMessage (HWND_DESKTOP, MSG_REMOVETIMER, 0, (LPARAM)&timer);}BOOL GUIAPI ResetTimer (HWND hWnd, int id, unsigned int speed){    TIMER timer;        timer.hWnd = hWnd;    timer.id = id;    timer.speed = speed;        return SendMessage (HWND_DESKTOP, MSG_RESETTIMER, 0, (LPARAM)&timer);}