gui_editfloat.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		: GUI_EditFloat.c
Purpose 	: Widget, add. module
----------------------------------------------------------------------
*/

#include "EDIT.h"
#include "GUI_Protected.h"
#include "EDIT_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*   		  Exported routines
*
**********************************************************************
*/
/*********************************************************************
*
*   	GUI_EditFloat
*/
float GUI_EditFloat(float Value, float Min, float Max, int Len, int xsize, int Shift, U8 Flags)
{
	float Ret;
	int Key, x, y, ysize, Id;
	EDIT_Handle hEdit;
	EDIT_Obj* pObj;
	const GUI_FONT GUI_UNI_PTR * pOldFont = GUI_SetFont(EDIT_GetDefaultFont());
	x = GUI_GetDispPosX();
	y = GUI_GetDispPosY();
	if (xsize == 0)
	{
		xsize = GUI_GetCharDistX('X') * Len;
	}
	ysize = GUI_GetFontSizeY();
	Id = 0x1234;
	hEdit = EDIT_Create(x, y, xsize, ysize, Id, Len, 0);
	pObj = EDIT_H2P(hEdit);
	EDIT_SetFloatMode(hEdit, Value, Min, Max, Shift, Flags);
	do
	{
		Key = GUI_WaitKey();
		switch (Key)
		{
			case GUI_KEY_ESCAPE:
				break;
			default:
				EDIT_AddKey(hEdit, Key);
		}
	}
	while ((Key != GUI_KEY_ESCAPE) && (Key != GUI_KEY_ENTER) && (Key != 0));
	GUI_SetFont(pOldFont);
	Ret = (I32) pObj->CurrentValue / (float) GUI_Pow10[pObj->NumDecs];
	EDIT_Delete(hEdit);
	return Ret;
}

#else /* avoid empty object files */

void GUI_EditFloat_C(void);
void GUI_EditFloat_C(void)
{
}

#endif