GUI_EditFloat.c
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上传日期:2017-08-10
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- /*
- *********************************************************************************************************
- * 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
- *
- **********************************************************************
- */
- 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 * 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);
- #endif