simplegui/Demo/src/VariableBox.c

/*************************************************************************/
/** Copyright.															**/
/** FileName: HMI_Demo04_Graph.c										**/
/** Author: Polarix														**/
/** Version: 1.0.0.0													**/
/** Description: HMI demo for graph interface.							**/
/*************************************************************************/
//=======================================================================//
//= Include files.													    =//
//=======================================================================//
#include "DemoProc.h"
#include "SGUI_Frame.h"
#include "SGUI_Notice.h"
#include "SGUI_VariableBox.h"

//=======================================================================//
//= User Macro definition.											    =//
//=======================================================================//
#define						VARIABLE_DEMO_FONT_SIZE				(SGUI_FONT_SIZE_H12)
#define						FRAME_TITLE_HEIGHT					(g_stFontSize[SGUI_FONT_SIZE_H12].Height+2)
#define						TEXT_VARIABLE_LENGTH				(20)

#define						VARIABLE_BOX_WIDTH					(100)
#define						VARIABLE_BOX_POSX					(10)
#define						VARIABLE_BOX_NUMBER_POSY			(19)
#define						VARIABLE_BOX_TEXT_POSY				(38)
//=======================================================================//
//= Static function declaration.									    =//
//=======================================================================//
static HMI_ENGINE_RESULT    HMI_DemoVariableBox_Initialize(void);
static HMI_ENGINE_RESULT	HMI_DemoVariableBox_Prepare(const void* pstParameters);
static HMI_ENGINE_RESULT	HMI_DemoVariableBox_RefreshScreen(const void* pstParameters);
static HMI_ENGINE_RESULT    HMI_DemoVariableBox_ProcessEvent(HMI_EVENT_TYPE eEventType, const HMI_EVENT* pstEvent);
static HMI_ENGINE_RESULT	HMI_DemoVariableBox_PostProcess(SGUI_INT iActionResult);
static void				    HMI_DemoVariableBox_DrawFrame(SGUI_PSZSTR szTitle);

//=======================================================================//
//= Static variable declaration.									    =//
//=======================================================================//
static SGUI_INT_VARBOX_STRUCT	stNumberVariableBox =	{VARIABLE_BOX_POSX+2, VARIABLE_BOX_NUMBER_POSY+2, VARIABLE_BOX_WIDTH, SGUI_FONT_SIZE_H12, -50, 100, 0};
static char						arrTextVariable[TEXT_VARIABLE_LENGTH+1] = {"ABCDEFG"};
static SGUI_TEXT_VARBOX_STRUCT	stTextVariableBox =		{VARIABLE_BOX_POSX+2, VARIABLE_BOX_TEXT_POSY+2, VARIABLE_BOX_WIDTH, SGUI_FONT_SIZE_H16, 0, TEXT_VARIABLE_LENGTH, arrTextVariable};
static const char				stFrameTitleDefault[] =	{"数值/文本编辑演示"};
static const char*				szFrameTitle =			stFrameTitleDefault;
static uint16_t					uiFocusedFlag;
static const char				szHelpNoticeText[] =	{"TAB键切换焦点编辑框。\n上下箭头调整数值。\n左右箭头调整焦点字符。\n按空格键继续。"};
static uint16_t					uiNeedHelp =			5;

//=======================================================================//
//= Global variable declaration.									    =//
//=======================================================================//
HMI_SCREEN_ACTION		stHMI_DemoVariableBoxActions = {HMI_DemoVariableBox_Initialize,
														HMI_DemoVariableBox_Prepare,
														HMI_DemoVariableBox_RefreshScreen,
														HMI_DemoVariableBox_ProcessEvent,
														HMI_DemoVariableBox_PostProcess,
														};
HMI_SCREEN_OBJECT       g_stHMIDemo_VariableBox =	{	HMI_SCREEN_ID_DEMO_VARIABLE_BOX,
														&stHMI_DemoVariableBoxActions
														};

//=======================================================================//
//= Function implementation.										    =//
//=======================================================================//
HMI_ENGINE_RESULT HMI_DemoVariableBox_Initialize(void)
{
	uiFocusedFlag = 0;
	return HMI_RET_NORMAL;
}

HMI_ENGINE_RESULT HMI_DemoVariableBox_Prepare(const void* pstParameters)
{
	/*----------------------------------*/
	/* Process							*/
	/*----------------------------------*/
	// Draw frame
	HMI_DemoVariableBox_DrawFrame((SGUI_PSZSTR)szFrameTitle);
	// Show notice
	SGUI_Notice_RefreshNotice(szHelpNoticeText, 0, SGUI_ICON_INFORMATION);
	return HMI_RET_NORMAL;
}

HMI_ENGINE_RESULT HMI_DemoVariableBox_RefreshScreen(const void* pstParameters)
{
    /*----------------------------------*/
	/* Process							*/
	/*----------------------------------*/
	// Draw frame
    HMI_DemoVariableBox_DrawFrame((SGUI_PSZSTR)szFrameTitle);
    // Draw number box
    SGUI_Basic_DrawRectangle(VARIABLE_BOX_POSX, VARIABLE_BOX_NUMBER_POSY, VARIABLE_BOX_WIDTH+4, g_stFontSize[stNumberVariableBox.FontSize].Height+6, GUI_COLOR_FRGCLR, GUI_COLOR_BKGCLR);
    SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, (0 == uiFocusedFlag)?GUI_DRAW_REVERSE:GUI_DRAW_NORMAL);
    // Draw text box
    SGUI_Basic_DrawRectangle(VARIABLE_BOX_POSX, VARIABLE_BOX_TEXT_POSY, VARIABLE_BOX_WIDTH+4,  g_stFontSize[stTextVariableBox.FontSize].Height+6, GUI_COLOR_FRGCLR, GUI_COLOR_BKGCLR);
    SGUI_TextVariableBox_Refresh(&stTextVariableBox, (0 == uiFocusedFlag)?GUI_DRAW_NORMAL:GUI_DRAW_REVERSE);

	return HMI_RET_NORMAL;
}

HMI_ENGINE_RESULT HMI_DemoVariableBox_ProcessEvent(HMI_EVENT_TYPE eEventType, const HMI_EVENT* pstEvent)
{
	/*----------------------------------*/
	/* Variable Declaration				*/
	/*----------------------------------*/
	HMI_ENGINE_RESULT           eProcessResult;
	SGUI_UINT16*				parrKeyValue;

	/*----------------------------------*/
	/* Initialize						*/
	/*----------------------------------*/
	eProcessResult =			HMI_RET_NORMAL;

	/*----------------------------------*/
	/* Process							*/
	/*----------------------------------*/
	if(uiNeedHelp > 0)
    {
        if(NULL != pstEvent)
        {
            if(eEventType == HMI_ENGINE_EVENT_ACTION)
            {

                if(HMI_ENGINE_ACTION_KEY_PRESS == pstEvent->Action)
                {
                    parrKeyValue = (SGUI_UINT16*)pstEvent->Data;
                    if(NULL != parrKeyValue)
                    {
                        if(KEY_VALUE_SPACE == *(parrKeyValue+1))
                        {
                            // Stop count down when press space.
                            uiNeedHelp = 0;
                        }
                    }
                }
            }
            else if(eEventType == HMI_ENGINE_EVENT_DATA)
            {
                if(HMI_ENGINE_ACTION_ON_TIMER_RTC == pstEvent->Action)
                {
                    //Count down five seconds
                    uiNeedHelp--;
                }
            }
        }

        // Redraw screen if time out.
        if(0 == uiNeedHelp)
        {
            eProcessResult = HMI_DemoVariableBox_RefreshScreen(NULL);
        }

        eProcessResult = HMI_RET_NOACTION;
    }
    else
    {
        if(HMI_ENGINE_ACTION_KEY_PRESS == pstEvent->Action)
        {
            parrKeyValue = (SGUI_UINT16*)pstEvent->Data;
            if(NULL != parrKeyValue)
            {
                switch(*(parrKeyValue+1))
                {
                    case KEY_VALUE_TAB:
                    {
                        uiFocusedFlag = ((uiFocusedFlag+1)%2);
                        if(0 == uiFocusedFlag)
                        {
                            SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, GUI_DRAW_REVERSE);
                            SGUI_TextVariableBox_Refresh(&stTextVariableBox, GUI_DRAW_NORMAL);
                        }
                        else
                        {
                            SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, GUI_DRAW_NORMAL);
                            SGUI_TextVariableBox_Refresh(&stTextVariableBox, GUI_DRAW_REVERSE);
                        }
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                    case KEY_VALUE_ESC:
                    {
                        eProcessResult = HMI_RET_CANCEL;
                        break;
                    }
                    case KEY_VALUE_LEFT:
                    {
                        if(1 == uiFocusedFlag)
                        {
                            if(stTextVariableBox.FocusIndex > 0)
                            {
                                stTextVariableBox.FocusIndex--;
                                SGUI_TextVariableBox_ChangeCharacter(&stTextVariableBox, GUI_DRAW_REVERSE, GUI_TEXT_ASCII, SGUI_TXT_VARBOX_OPT_NONE);
                            }
                        }
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                    case KEY_VALUE_UP:
                    {
                        if(1 == uiFocusedFlag)
                        {
                            SGUI_TextVariableBox_ChangeCharacter(&stTextVariableBox, GUI_DRAW_REVERSE, GUI_TEXT_ASCII, SGUI_TXT_VARBOX_OPT_PREV);
                        }
                        else
                        {
                            stNumberVariableBox.Value++;
                            SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, GUI_DRAW_REVERSE);
                        }
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                    case KEY_VALUE_RIGHT:
                    {
                        if(1 == uiFocusedFlag)
                        {
                            if(stTextVariableBox.FocusIndex < (stTextVariableBox.MaxTextLength-1))
                            {
                                stTextVariableBox.FocusIndex++;
                                SGUI_TextVariableBox_ChangeCharacter(&stTextVariableBox, GUI_DRAW_REVERSE, GUI_TEXT_ASCII, SGUI_TXT_VARBOX_OPT_NONE);
                            }
                        }
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                    case KEY_VALUE_DOWN:
                    {
                        if(1 == uiFocusedFlag)
                        {
                            SGUI_TextVariableBox_ChangeCharacter(&stTextVariableBox, GUI_DRAW_REVERSE, GUI_TEXT_ASCII, SGUI_TXT_VARBOX_OPT_NEXT);
                        }
                        else
                        {
                            stNumberVariableBox.Value--;
                            SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, GUI_DRAW_REVERSE);
                        }
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                    case KEY_VALUE_ENTER:
                    {
                        if(1 == uiFocusedFlag)
                        {
                            szFrameTitle = stTextVariableBox.Value;
                            HMI_DemoVariableBox_DrawFrame((SGUI_PSZSTR)szFrameTitle);
                            // Draw number box
                            SGUI_Basic_DrawRectangle(VARIABLE_BOX_POSX, VARIABLE_BOX_NUMBER_POSY, VARIABLE_BOX_WIDTH+4, g_stFontSize[stNumberVariableBox.FontSize].Height+6, GUI_COLOR_FRGCLR, GUI_COLOR_BKGCLR);
                            SGUI_IntegerVariableBox_Refresh(&stNumberVariableBox, SGUI_CENTER, GUI_DRAW_NORMAL);
                            // Draw text box
                            SGUI_Basic_DrawRectangle(VARIABLE_BOX_POSX, VARIABLE_BOX_TEXT_POSY, VARIABLE_BOX_WIDTH+4, g_stFontSize[stTextVariableBox.FontSize].Height+6, GUI_COLOR_FRGCLR, GUI_COLOR_BKGCLR);
                            SGUI_TextVariableBox_Refresh(&stTextVariableBox, GUI_DRAW_REVERSE);
                        }
                        break;
                    }
                    break;
                    {
                        eProcessResult = HMI_RET_NOACTION;
                        break;
                    }
                }
            }
        }
    }

	return eProcessResult;
}

SGUI_INT HMI_DemoVariableBox_PostProcess(SGUI_INT iActionResult)
{
	if(HMI_RET_CANCEL == iActionResult)
	{
	    uiNeedHelp = 5;
		HMI_GoBack(NULL);
	}
	return HMI_RET_NORMAL;
}

void HMI_DemoVariableBox_DrawFrame(SGUI_PSZSTR szTitle)
{
	/*----------------------------------*/
	/* Variable Declaration				*/
	/*----------------------------------*/
	SGUI_BOX_FRAME_STRUCT	stFrameData;

	/*----------------------------------*/
	/* Initialize						*/
	/*----------------------------------*/
	stFrameData.Parameter.EdgeLayers = 2;
	stFrameData.Parameter.FontSize = SGUI_FONT_SIZE_H12;
	stFrameData.Data.Title = szTitle;

	/*----------------------------------*/
	/* Process							*/
	/*----------------------------------*/
	// Draw frame
	SGUI_Frame_DrawFullScreenFrame(&stFrameData);
}