shell.c

一个操作系统源代码 用于嵌入式设备 在Vc++环境下仿真 成功移植到多款处理器上

/*************************************************************************
*
* Copyright  2000 National ASIC Center, All right Reserved
*
* FILE NAME:			shell.c
* PROGRAMMER:			Lingming
* Date of Creation:		2000/02/14
* 
* DESCRIPTION: 			The essential declarations for ASIX Windows system
*						including MACRO define, global var declaration and
*						public functions prototypes.
*
* NOTE:			 		The application C file MUST include this file if 
*						this application will use ASIX Windows GUI API 
*
**************************************************************************
* MODIFICATION HISTORY
*
* 2000/02/14	by Lingming		Creation of this file
* 2002/03/13    by Pessia       move AsixTaskInit() to asixapp.c
*							
*************************************************************************/

/* SDS C lib */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* asix window include file*/
#include <asixwin.h>
#include <asixapp.h>

#include <sys\keydef.h>

#include <asixwin\asix_mn.h>
#include <asixwin\asix_lb.h>

#include <resource\bitmap.h>
#include <service\audio\audiosvr.h>

#define		DISP_MAX_NUM	6

#define		APPLICATION		0
#define		SETTINGS		1
#define		COMMUNICATION	2
#define		GAMES			3

extern void NewShell(void);

TASKDESCRIPTION	ShellTskDesp = 
{
//	name,			mode
	"我的PDA",		ASIX_SHELL,
//	group,			icon
	NOT_IN_ANYGROUP,NULL,
//	stk,			screen
	4096,			1,
//	scr_w,			scr_h
	LCD_WIDTH,		LCD_HEIGHT,
//	func,			priority
	NewShell,		APP_PRI
};

//extern void SysGpcTest( DWORD pGC );

void NewShell(void)
{
	U32		hGC;

	//窗口和控件ID
	U32		shellwin; 
	U32		sortlist;
	U32		tskbar;
	U32		prev; 
	U32		next; 
	U32		itementry[DISP_MAX_NUM]; 

	//函数用变量
	MSG		msg, switchmsg; 
	TASKDESCRIPTIONLIST	*desplst; 
	TASKDESCRIPTION		*taskptr; 
	APP_ENTRY	AppEntry[MAX_GROUP][MAX_APPENTRY]; 
	BYTE		i, j; 
	char		inforstr[50]; 
	BYTE		nowgroup = APPLICATION; 			//默认当前组是第一组应用程序
	BYTE		nownum;				//当前组的应用程序个数
	BYTE		pagenum; 			//当前组显示所需的页数
	BYTE		pageno;				//当前页号
	BYTE		first = 0;			//当前页的第一个应用程序
	SYSTCB		*tskptr;
//	BYTE		result;
//	WORD		info_y;
//	void		(*x)();

	struct LBOX_ITEM sortitem[]=
	{
		ICON_ENABLE, UNDERLINE, "应用",
		ICON_ENABLE, UNDERLINE, "游戏",
		ICON_ENABLE, UNDERLINE, "系统",
		ICON_END, UNDERLINE, NULL
	};

	hGC = GetGC();

//	SysGpcTest( hGC );

	memset(AppEntry, 0x0, MAX_GROUP*MAX_APPENTRY*sizeof(APP_ENTRY));
	for( desplst = TaskDescription; desplst != NULL; desplst = desplst->next)
	{
		taskptr = desplst->desp;
		if (taskptr->mode == ASIX_SHELL || taskptr->mode == ASIX_DEAMON) 
			continue;// Shell and Daemon will not be displayed in shell
		
		if (taskptr->group>=MAX_GROUP)
		{
			sprintf(inforstr, "应用程序 %s\n属于不存在的程序组!",taskptr->name);
			MessageBox( GetFocus(), inforstr, "错误",MB_OK | MB_ICONERROR);
			continue; 
		}
		else
		{
			for (i=0; (AppEntry[taskptr->group][i].tskdes != NULL) && (i<MAX_APPENTRY); i++)
				;//looking for the empty entry
			
			if ( i== MAX_APPENTRY )
				continue; //here ,should we notice the user?
			AppEntry[taskptr->group][i].tskdes = desplst;
		}
	}

	shellwin = CreateWindow(WNDCLASS_WIN, NULL, WS_CAPTION | WS_BORDER|WS_SYSMENU, 0, 0, PHY_LCD_W, PHY_LCD_H, 0, 0, NULL); 
	sortlist = CreateWindow(WNDCLASS_LIST, "", WS_CHILD|LBS_POPUP, 20, 25, LCD_WIDTH-100, 20, shellwin, 0, sortitem); 
	prev = CreateWindow(WNDCLASS_BUTTON, "\\前一页", WS_CHILD|BS_ICON|BS_FLAT, 20+LCD_WIDTH-100+10, 25, 20, 20, shellwin, 0, (void *)zi_prev); 
	next = CreateWindow(WNDCLASS_BUTTON, "\\后一页", WS_CHILD|BS_ICON|BS_FLAT, 20+LCD_WIDTH-100+10+20+5, 25, 20, 20, shellwin, 0, (void *)zi_next); 
//	prev = CreateWindow(WNDCLASS_BUTTON, "<<", WS_CHILD|BS_ICON|BS_FLAT, 100, 25, 20, 20, shellwin, 0, NULL); 
//	next = CreateWindow(WNDCLASS_BUTTON, ">>", WS_CHILD|BS_ICON|BS_FLAT, 125, 25, 20, 20, shellwin, 0, NULL); 
	tskbar = CreateWindow(WNDCLASS_TSKBAR, NULL, WS_CHILD|TBS_TYPICAL, 0, 0, 0, 0,shellwin, 0, NULL);

	for(i = 0; (AppEntry[nowgroup][i].tskdes != NULL) && (i < MAX_APPENTRY); i++)		//得出当前组的项目个数
		;
	nownum = i; 

	if(nownum%DISP_MAX_NUM == 0)
		pagenum = nownum/DISP_MAX_NUM; 
	else
		pagenum = nownum/DISP_MAX_NUM + 1; 
	pageno = 1; 
	if(pagenum == 1)
	{
		EnableWindow(prev, FALSE); 
		EnableWindow(next, FALSE); 
	}
	else
	{
		EnableWindow(prev, FALSE); 
		EnableWindow(next, TRUE); 
	}
	
	PlayAudio( &SysAudioScheme.start );
	
	GroupOn( hGC );
	for(i = 0; i < DISP_MAX_NUM; i++)
	{
		j = i/2; 
		if(i < nownum)
		{
			if((i - 2*j) == 0)
			{
				itementry[i] = CreateWindow(WNDCLASS_BUTTON, NULL, WS_CHILD|BS_ICON|BS_FLAT, (LCD_WIDTH-96)/3, (U16)(52 + j*(48 + 7)), 48, 48, shellwin, 0x00300030, (U8 *)AppEntry[nowgroup][i].tskdes->desp->icon); 
			}
			else
			{
				itementry[i] = CreateWindow(WNDCLASS_BUTTON, NULL, WS_CHILD|BS_ICON|BS_FLAT, (LCD_WIDTH-96)/3+48+(LCD_WIDTH-96)/3, (U16)(52 + j*(48 + 7)), 48, 48, shellwin, 0x00300030, (U8 *)AppEntry[nowgroup][i].tskdes->desp->icon); 
			}
		}
		else
		{
			if((i - 2*j) == 0)
			{
				itementry[i] = CreateWindow(WNDCLASS_BUTTON, NULL, WS_CHILD|BS_ICON|BS_FLAT, (LCD_WIDTH-96)/3, (U16)(52 + j*(48 + 7)), 48, 48, shellwin, 0, NULL); 
				EnableWindow(itementry[i], FALSE); 
			}
			else
			{
				itementry[i] = CreateWindow(WNDCLASS_BUTTON, NULL, WS_CHILD|BS_ICON|BS_FLAT, (LCD_WIDTH-96)/3+48+(LCD_WIDTH-96)/3, (U16)(52 + j*(48 + 7)), 48, 48, shellwin, 0, NULL); 
				EnableWindow(itementry[i], FALSE); 
			}
		}
	}
	if( nownum != 0 )
		SetFocus( itementry[0] );
	GroupOff( hGC, (LCD_WIDTH-96)/3, 52, LCD_WIDTH-(LCD_WIDTH-96)/3, 210 );

	//消息循环
	while(1)
	{
		ASIXGetMessage(&msg, NULL, 0, 0); 
		switch(msg.message)
		{
			case WM_COMMAND:
				if(msg.lparam == prev)
				{
					first -= DISP_MAX_NUM;
					pageno--; 
					if( pageno == 1 )
					{
						EnableWindow( prev, FALSE ); 
					}
					EnableWindow( next, TRUE ); 

//					GroupOn( hGC );
//					ClearRec( hGC, ColorTheme.form_backcolor, 20, 52, 120, 158, GPC_REPLACE_STYLE );
					for( i = 0; i < DISP_MAX_NUM; i++ )
					{
						SetWindowText(itementry[i], NULL, (U8 *)AppEntry[nowgroup][first+i].tskdes->desp->icon); 
						EnableWindow(itementry[i], TRUE); 
					}
					SetFocus( itementry[0] );
//					GroupOff( hGC, 20, 52, 140, 210 );
				}
				else
				if(msg.lparam == next)
				{
					BYTE	disp_num;

					first += DISP_MAX_NUM;
					disp_num = nownum - first;
					pageno++; 
					if( pageno == pagenum )
					{
						EnableWindow( next, FALSE ); 
					}
					EnableWindow( prev, TRUE ); 

					GroupOn( hGC );
//					ClearRec( hGC, ColorTheme.form_backcolor, 20, 52, 120, 158, GPC_REPLACE_STYLE );
					for( i = 0; i < DISP_MAX_NUM; i++)
					{
						if( i < disp_num )
						{
							SetWindowText(itementry[i], NULL, (U8 *)AppEntry[nowgroup][first + i].tskdes->desp->icon); 
							EnableWindow(itementry[i], TRUE); 
						}
						else
						{
							SetWindowText(itementry[i], NULL, NULL); 
							EnableWindow(itementry[i], FALSE); 
						}
					}
					SetFocus( itementry[0] );
					GroupOff( hGC, (LCD_WIDTH-96)/3, 52, LCD_WIDTH-(LCD_WIDTH-96)/3, 210 );

				}
				else
					for(i = 0; i <= DISP_MAX_NUM; i++)
					{
						if(msg.lparam == itementry[i])
						{
							//启动nowgroup中的第((pageno - 1)*DISP_MAX_NUM + i)的任务
							i += (pageno - 1)*DISP_MAX_NUM;
							switch(AppEntry[nowgroup][i].tskdes->desp->mode)
							{
								case ASIX_APP:
									{
										TASKDESCRIPTIONLIST	*desplst;
										TASKDESCRIPTION		*desptr = AppEntry[nowgroup][i].tskdes->desp;

										desplst = IsRegistered( desptr );
										if( desplst != NULL )		// already registered
										{
											tskptr = &gSysTcbTbl[desplst->taskid-1];
											if( tskptr->status == RUNNING )	// already run
											{									
												switchmsg.message = SM_SWITCH;
												switchmsg.wparam = SWAP_TO_FOREGROUND;
												switchmsg.lparam = (U16)desplst->taskid;
												SysSendMessage( SYSTASK_ID, &switchmsg );
												break;
											}
										}
										else
										{
											desplst = TaskRegist( desptr );
											if( desplst == NULL )
											{
												MessageBox(GetFocus(), "任务启动失败！可能是内存不够，请关闭一些任务后再试。","任务启动失败",MB_OK | MB_ICONSTOP);
												break;
											}
										}
										ASIXStartTask( desplst->taskid );
									}
									break;
								case ASIX_FUNC:
//									x = AppEntry[i].tskdes->desp->entry;
//									//x = DynamicCode;
//									(*x)();
//									//while(1){}
//									
//			//						DispTimeLine(0);
//										
									break;
								case ASIX_DYNAPP:
									//AppEntry((APP_ENTRY *)entryhead[i].entryptr, entryhead[i].entryname);
									
									break;
								default:
									break;
							}
							break;
						}
					}
				break; 
			case WM_LISTBOX:
				if(msg.lparam == sortlist)
				{
					switch(msg.wparam)
					{
						case 0:
							nowgroup = APPLICATION; 
							break; 
						case 1:
							nowgroup = SETTINGS; 
							break; 
						case 2:
							nowgroup = COMMUNICATION; 
							break; 
						case 3:
							nowgroup = GAMES; 
							break; 
					}

					//得出当前组的项目个数
					for(i = 0; (AppEntry[nowgroup][i].tskdes != NULL) && (i < MAX_APPENTRY); i++)
						;
					nownum = i; 
					if(nownum%DISP_MAX_NUM == 0)
						pagenum = nownum/DISP_MAX_NUM; 
					else
						pagenum = nownum/DISP_MAX_NUM + 1; 
					pageno = 1; 
					first = 0;

					if( pagenum <= 1 )	// 应用程序个数不满一页
					{
						// 禁止前翻和后翻
						EnableWindow(prev, FALSE); 
						EnableWindow(next, FALSE); 
					}
					else	// 应用程序个数超过一页
					{
						// 允许后翻禁止前翻
						EnableWindow(prev, FALSE); 
						EnableWindow(next, TRUE); 
					}

					// 更新所有图标
					GroupOn( hGC );
//					ClearRec( hGC, ColorTheme.form_backcolor, 20, 52, 120, 158, GPC_REPLACE_STYLE );
					for(i = 0; i < DISP_MAX_NUM; i++)
					{
						if(i < nownum)
						{
							SetWindowText(itementry[i], NULL, (U8 *)AppEntry[nowgroup][i].tskdes->desp->icon); 
							EnableWindow(itementry[i], TRUE); 
						}
						else
						{
							SetWindowText(itementry[i], "", NULL); 
							EnableWindow(itementry[i], FALSE); 
						}
					}
					if( nownum != 0 )
						SetFocus( itementry[0] );
					else
						SetFocus( shellwin );
					GroupOff( hGC, (LCD_WIDTH-96)/3, 52, LCD_WIDTH-(LCD_WIDTH-96)/3, 210 );
				}
				break;
			case WM_KEYDOWN:
			case WM_KEYUP:
				for( i = 0; i < DISP_MAX_NUM; i++ )
				{
					if( msg.lparam == itementry[i] )
					{
						switch( msg.wparam )
						{
							case ASIX_KEY_UP:
							case ASIX_KEY_LEFT:
								{
									BYTE	flag;

									if( msg.wparam == ASIX_KEY_UP )
									{
										if( i >= 2 )
										{
											j = i - 2;
											flag = 0;
										}
										else
											flag = 1;
									}
									else
									{
										if( i >= 1 )
										{
											j = i - 1;
											flag = 0;
										}
										else
											flag = 1;
									}
									if( flag )
									{
										MSG	temp_msg;

										if( first != 0 )
										{
											temp_msg.messageType = ASIX_MESSAGE;
											temp_msg.message = WM_COMMAND;
											temp_msg.lparam = prev;
											temp_msg.wparam = MS_ICON_PEN_UP;
											temp_msg.data = NULL;
											AdvSendMessage( GetCurTask()->id, (P_MESSAGE)&temp_msg, NO_SWAP_TASK );
										}
									}
									else
									{
										SetFocus( itementry[j] );
									}
								}
								break;
							case ASIX_KEY_DOWN:
							case ASIX_KEY_RIGHT:
								if( msg.wparam == ASIX_KEY_DOWN )
									j = i + 2;
								else
									j = i + 1;
								if( first + j < nownum )
								{
									if( j >= DISP_MAX_NUM )
									{
										MSG	temp_msg;

										temp_msg.messageType = ASIX_MESSAGE;
										temp_msg.message = WM_COMMAND;
										temp_msg.lparam = next;
										temp_msg.wparam = MS_ICON_PEN_UP;
										temp_msg.data = NULL;
										AdvSendMessage( GetCurTask()->id, (P_MESSAGE)&temp_msg, NO_SWAP_TASK );
									}
									else
										SetFocus( itementry[j] );
								}
								break;
							case ASIX_KEY_OK:
								{
									MSG	temp_msg;
									
									temp_msg.messageType = ASIX_MESSAGE;
									temp_msg.message = WM_COMMAND;
									temp_msg.lparam = itementry[i];
									temp_msg.wparam = MS_ICON_PEN_UP;
									temp_msg.data = NULL;
									SysSendMessage( GetCurTaskID(), &temp_msg );
								}
								break;
						}
						break;
					}
				}
				break;
		}
		DefWindowProc(msg.message, msg.lparam, msg.data, msg.wparam); 
	}
}