messagebox.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 uC/GUI
*   					 Universal graphic software for embedded applications
*
*   					(c) Copyright 2002, Micrium Inc., Weston, FL
*   					(c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*   		   礐/GUI is protected by international copyright laws. Knowledge of the
*   		   source code may not be used to write a similar product. This file may
*   		   only be used in accordance with a license and should not be redistributed
*   		   in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File		: MESSAGEBOX.c
Purpose 	: Implementation of Mesagebox
---------------------------END-OF-HEADER------------------------------
*/


#include <string.h> 			/* for memset */
#include "GUI.h"
#include "BUTTON.h"
#include "FRAMEWIN.h"
#include "TEXT.h"
#include "DIALOG.h"
#include "MESSAGEBOX.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*   	Defaults
*
**********************************************************************
*/

#ifndef MESSAGEBOX_BORDER
#define MESSAGEBOX_BORDER 4
#endif

#ifndef MESSAGEBOX_XSIZEOK
#define MESSAGEBOX_XSIZEOK 50
#endif

#ifndef MESSAGEBOX_YSIZEOK
#define MESSAGEBOX_YSIZEOK 20
#endif

#ifndef MESSAGEBOX_BKCOLOR
#define MESSAGEBOX_BKCOLOR GUI_WHITE
#endif

#define ID_FRAME 100

/*********************************************************************
*
*   	Static functions
*
**********************************************************************
*/
/*********************************************************************
*
*   	_MESSAGEBOX_cbCallback
*/
static void _MESSAGEBOX_cbCallback(WM_MESSAGE *pMsg)
{
	WM_HWIN hWin = pMsg->hWin;
	switch (pMsg->MsgId)
	{
		case WM_INIT_DIALOG:
			FRAMEWIN_SetClientColor(hWin, MESSAGEBOX_BKCOLOR);
			break;
		case WM_KEY:
			{
				int Key = ((const WM_KEY_INFO *) (pMsg->Data.p))->Key;
				if (((const WM_KEY_INFO *) (pMsg->Data.p))->PressedCnt)
				{
					switch (Key)
					{
						case GUI_KEY_ESCAPE:
							GUI_EndDialog(hWin, 1); 			/* End dialog with return value 1 if <ESC> is pressed */
							break;
						case GUI_KEY_ENTER:
							GUI_EndDialog(hWin, 0); 			/* End dialog with return value 0 if <ENTER> is pressed */
							break;
					}
				}
			}
			break;
		case WM_NOTIFY_PARENT:
			{
				int NCode = pMsg->Data.v;   		  /* Get notification code */
				int Id = WM_GetId(pMsg->hWinSrc);  /* Get control ID */
				switch (NCode)
				{
					case WM_NOTIFICATION_RELEASED:
						/* React only if released */
						if (Id == GUI_ID_OK)
						{
							GUI_EndDialog(hWin, 0); 		/* End dialog with return value 0 if OK */
						}
						break;
				}
			}
			break;
		default:
			WM_DefaultProc(pMsg);
	}
}

/*********************************************************************
*
*   	Exported routines
*
**********************************************************************
*/
/*********************************************************************
*
*   	MESSAGEBOX_Create
*/
WM_HWIN MESSAGEBOX_Create(const char *sMessage, const char *sCaption, int Flags)
{
	GUI_WIDGET_CREATE_INFO _aDialogCreate[3];   								  /* 0: FrameWin, 1: Text, 2: Button */
	int BorderSize = FRAMEWIN_GetDefaultBorderSize();   						  /* Default border size of frame window */
	int xSizeFrame = MESSAGEBOX_XSIZEOK + 2 * BorderSize + MESSAGEBOX_BORDER * 2; /* XSize of frame window */
	int ySizeFrame; 															  /* YSize of frame window */
	int x0, y0; 																  /* Position of frame window */
	int xSizeMessage;   														  /* Length in pixels of message */
	int xSizeCaption;   														  /* Length in pixels of caption */
	int ySizeCaption;   														  /* YSize of caption */
	int ySizeMessage;   														  /* YSize of message */
	GUI_RECT Rect;
	const GUI_FONT GUI_UNI_PTR * pOldFont;
	/* Zeroinit variables */
	memset(_aDialogCreate, 0, sizeof(_aDialogCreate));
	/* Get dimension of message */
	pOldFont = GUI_SetFont(TEXT_GetDefaultFont());
	GUI_GetTextExtend(&Rect, sMessage, 255);
	xSizeMessage = Rect.x1 - Rect.x0 + MESSAGEBOX_BORDER * 2;
	ySizeMessage = Rect.y1 - Rect.y0 + 1;
	if (xSizeFrame < (xSizeMessage + 4 + MESSAGEBOX_BORDER * 2))
	{
		xSizeFrame = xSizeMessage + 4 + MESSAGEBOX_BORDER * 2;
	}
	ySizeCaption = GUI_GetYSizeOfFont(FRAMEWIN_GetDefaultFont());
	ySizeFrame = ySizeMessage + 			/* size of message */
	MESSAGEBOX_YSIZEOK +	   /* size of button */
	ySizeCaption +  		   /* caption size */
	MESSAGEBOX_BORDER * 3 +    /* inner border - text, text - button, button - bottom */
	BorderSize * 2 +		   /* top & bottom border */
	1;  					  /* inner border */
	/* Get xsize of caption */
	xSizeCaption = GUI_GetStringDistX(sCaption);
	if (xSizeFrame < xSizeCaption + BorderSize * 2)
	{
		xSizeFrame = xSizeCaption + BorderSize * 2;
	}
	/* Check maximum */
	if (xSizeFrame > LCD_GET_XSIZE())
	{
		xSizeFrame = LCD_GET_XSIZE();
	}
	if (ySizeFrame > LCD_GET_YSIZE())
	{
		ySizeFrame = LCD_GET_YSIZE();
	}
	/* Calculate position of framewin */
	x0 = (LCD_GET_XSIZE() - xSizeFrame) / 2;
	y0 = (LCD_GET_YSIZE() - ySizeFrame) / 2;
	/* restore modified Context */
	GUI_SetFont(pOldFont);
	/* Fill frame win resource */
	_aDialogCreate[0].pfCreateIndirect = FRAMEWIN_CreateIndirect;
	_aDialogCreate[0].pName = sCaption;
	_aDialogCreate[0].x0 = x0;
	_aDialogCreate[0].y0 = y0;
	_aDialogCreate[0].xSize = xSizeFrame;
	_aDialogCreate[0].ySize = ySizeFrame;
	if (Flags & GUI_MESSAGEBOX_CF_MOVEABLE)
	{
		_aDialogCreate[0].Flags = FRAMEWIN_CF_MOVEABLE;
	}
	/* Fill text resource */
	_aDialogCreate[1].pfCreateIndirect = TEXT_CreateIndirect;
	_aDialogCreate[1].pName = sMessage;
	_aDialogCreate[1].x0 = (xSizeFrame - xSizeMessage - BorderSize * 2) / 2;
	_aDialogCreate[1].y0 = MESSAGEBOX_BORDER;
	_aDialogCreate[1].xSize = xSizeMessage;
	_aDialogCreate[1].ySize = ySizeMessage;
	_aDialogCreate[1].Para = GUI_TA_TOP | GUI_TA_HCENTER;
	/* Fill button resource */
	_aDialogCreate[2].pfCreateIndirect = BUTTON_CreateIndirect;
	_aDialogCreate[2].pName = "OK";
	_aDialogCreate[2].Id = GUI_ID_OK;
	_aDialogCreate[2].x0 = (xSizeFrame - MESSAGEBOX_XSIZEOK - BorderSize * 2) / 2;
	_aDialogCreate[2].y0 = MESSAGEBOX_BORDER * 2 + ySizeMessage;
	_aDialogCreate[2].xSize = MESSAGEBOX_XSIZEOK;
	_aDialogCreate[2].ySize = MESSAGEBOX_YSIZEOK;
	/* Create dialog */
	return GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _MESSAGEBOX_cbCallback, 0, 0, 0);
}

/*********************************************************************
*
*   	GUI_MessageBox
*/
int GUI_MessageBox(const char *sMessage, const char *sCaption, int Flags)
{
	WM_HWIN hWin;
	hWin = MESSAGEBOX_Create(sMessage, sCaption, Flags);
	/* Exec dialog */
	return GUI_ExecCreatedDialog(hWin);
}

#else

void GUI_MessageBox_C(void)
{
} /* avoid empty object files */

#endif /* GUI_WINSUPPORT */