?? widget_edit.c
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/*********************************************************************
* SEGGER MICROCONTROLLER SYSTEME GmbH *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1996 - 2007 SEGGER Microcontroller Systeme GmbH *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
**********************************************************************
** emWin V4.14 - Graphical user interface for embedded applications **
emWin 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 re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File : WIDGET_Edit.c
Purpose : Example demonstrating the use of a EDIT widget
----------------------------------------------------------------------
*/
#include "GUI.h"
#include "EDIT.h"
/*******************************************************************
*
* static code
*
********************************************************************
*/
/*******************************************************************
*
* _DemoEdit
*
Edit a string until ESC or ENTER is pressed
*/
static void _DemoEdit(void) {
EDIT_Handle hEdit;
char aBuffer[28];
int Key;
GUI_SetBkColor(GUI_BLACK);
GUI_Clear();
GUI_SetColor(GUI_WHITE);
GUI_SetFont(&GUI_Font24_ASCII);
GUI_DispStringHCenterAt("WIDGET_Edit - Sample", 160, 5);
GUI_SetFont(&GUI_Font8x16);
GUI_DispStringHCenterAt("Use keyboard to modify string...", 160, 90);
/* Create edit widget */
hEdit = EDIT_Create( 50, 110, 220, 25, ' ', sizeof(aBuffer), 0 );
/* Modify edit widget */
EDIT_SetText(hEdit, "Press <ENTER> when done...");
EDIT_SetFont(hEdit, &GUI_Font8x16);
EDIT_SetTextColor(hEdit, 0, GUI_RED);
/* Set keyboard focus to edit widget */
WM_SetFocus(hEdit);
/* Handle keyboard until ESC or ENTER is pressed */
do {
WM_Exec();
Key = GUI_GetKey();
} while ((Key != GUI_KEY_ENTER) && (Key != GUI_KEY_ESCAPE));
/* Fetch result from edit widget */
if (Key == GUI_KEY_ENTER) {
EDIT_GetText(hEdit, aBuffer, sizeof(aBuffer));
}
/* Delete the edit widget */
EDIT_Delete(hEdit);
GUI_ClearRect(0, 50, 319, 239);
/* Display the changed string */
if (Key == GUI_KEY_ENTER) {
GUI_Delay(250);
GUI_DispStringHCenterAt("The string you have modified is:", 160, 90);
GUI_DispStringHCenterAt(aBuffer, 160, 110);
GUI_Delay(3000);
GUI_ClearRect(0, 50, 319, 239);
}
GUI_Delay(500);
}
/*******************************************************************
*
* MainTask
*
* Demonstrates the use of a EDIT widget
*
********************************************************************
*/
void MainTask(void) {
GUI_Init();
while (1) {
_DemoEdit();
}
}
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