?? widget_graphxy.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_GraphXY.c
Purpose : Demonstrates the use of the GRAPH widget
----------------------------------------------------------------------
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "DIALOG.h"
#include "GRAPH.h"
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
#define PI 3.1415926f
#define DEG2RAD (PI / 180)
/*********************************************************************
*
* Static data
*
**********************************************************************
*/
static GRAPH_SCALE_Handle _hScaleV; /* Handle of vertical scale */
static GRAPH_SCALE_Handle _hScaleH; /* Handle of horizontal scale */
static const GUI_COLOR _aColor[3] = {GUI_RED, GUI_DARKGREEN, GUI_MAGENTA};
static const U8 _aLStyle[3] = {GUI_LS_SOLID, GUI_LS_DOT, GUI_LS_DASH};
/* Dialog ressource */
static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
{ FRAMEWIN_CreateIndirect, "GRAPH_DATA_XY demo", 0 , 0, 0, 320, 240, FRAMEWIN_CF_MOVEABLE },
{ GRAPH_CreateIndirect, 0, GUI_ID_GRAPH0 , 5, 5, 270, 175 },
{ TEXT_CreateIndirect, "Spacing X:", 0 , 10, 185, 50, 20 },
{ TEXT_CreateIndirect, "Spacing Y:", 0 , 10, 205, 50, 20 },
{ SLIDER_CreateIndirect, 0, GUI_ID_SLIDER0 , 60, 185, 60, 16 },
{ SLIDER_CreateIndirect, 0, GUI_ID_SLIDER1 , 60, 205, 60, 16 },
{ TEXT_CreateIndirect, "Border", 0 , 280, 5, 35, 15 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK2 , 280, 20, 35, 0 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK3 , 280, 40, 35, 0 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK4 , 280, 60, 35, 0 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK5 , 280, 80, 35, 0 },
{ TEXT_CreateIndirect, "Effect", 0 , 280, 100, 35, 15 },
{ RADIO_CreateIndirect, 0, GUI_ID_RADIO0 , 275, 115, 35, 0, 0, 3 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK6 , 180, 185, 50, 0 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK7 , 180, 205, 50, 0 },
{ BUTTON_CreateIndirect, "Full Screen", GUI_ID_BUTTON0 , 235, 185, 65, 18 },
{ CHECKBOX_CreateIndirect, 0, GUI_ID_CHECK1 , 235, 205, 70, 0 },
};
static GUI_POINT _aPoint[3][46];
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* _InitPoints
*/
static void _InitPoints(void) {
int i, r, m;
m = 360 / (GUI_COUNTOF(_aPoint[0]) - 1);
r = 95;
for (i = 0; i <= GUI_COUNTOF(_aPoint[0]) - 1; i++) {
float Rad;
int Deg;
Deg = i * m;
Rad = Deg * DEG2RAD;
_aPoint[0][i].x = (100 - r * cos(Rad));
_aPoint[0][i].y = (100 + r * sin(Rad) * Deg / 360);
_aPoint[1][i].x = (100 - r * cos(Rad));
_aPoint[1][i].y = (100 + r * sin(Rad) * Deg / 300);
_aPoint[2][i].x = (100 - r * cos(Rad) * 0.9);
_aPoint[2][i].y = (100 + r * sin(Rad) * Deg / 320);
}
}
/*********************************************************************
*
* _UserDraw
*
* Purpose:
* This routine is called by the GRAPH object before anything is drawn
* and after the last drawing operation.
*/
static void _UserDraw(WM_HWIN hWin, int Stage) {
if (Stage == GRAPH_DRAW_LAST) {
char acText[] = "Flow Rate L/s";
GUI_RECT Rect, RectInvalid;
int FontSizeY;
GUI_SetFont(&GUI_Font13_ASCII);
FontSizeY = GUI_GetFontSizeY();
WM_GetInsideRect(&Rect);
WM_GetInvalidRect(hWin, &RectInvalid);
Rect.x1 = Rect.x0 + FontSizeY;
GUI_SetColor(GUI_RED);
GUI_DispStringInRectEx(acText, &Rect, GUI_TA_HCENTER, strlen(acText), GUI_ROTATE_CCW);
}
}
/*********************************************************************
*
* _ForEach
*
* Purpose:
* This routine hides/shows all windows except the button, graph and scroll bar widgets
*/
static void _ForEach(WM_HWIN hWin, void * pData) {
int Id, FullScreenMode;
FullScreenMode = *(int *)pData;
Id = WM_GetId(hWin);
if ((Id == GUI_ID_GRAPH0) || (Id == GUI_ID_BUTTON0) || (Id == GUI_ID_VSCROLL) || (Id == GUI_ID_HSCROLL)) {
return;
}
if (FullScreenMode) {
WM_HideWindow(hWin);
} else {
WM_ShowWindow(hWin);
}
}
/*********************************************************************
*
* _ToggleFullScreenMode
*
* Purpose:
* This routine switches between full screen mode and normal mode by hiding or showing the
* widgets of the dialog, enlarging/shrinking the graph widget and modifying some other
* attributes of the dialog widgets.
*/
static void _ToggleFullScreenMode(WM_HWIN hDlg) {
static int FullScreenMode;
static GUI_RECT Rect;
static unsigned ScalePos;
WM_HWIN hGraph, hButton;
hGraph = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
hButton = WM_GetDialogItem(hDlg, GUI_ID_BUTTON0);
FullScreenMode ^= 1;
if (FullScreenMode) {
/* Enter the full screen mode */
WM_HWIN hClient;
GUI_RECT RectInside;
hClient = WM_GetClientWindow(hDlg);
BUTTON_SetText(hButton, "Back");
WM_MoveWindow(hButton, 0, 11);
FRAMEWIN_SetTitleVis(hDlg, 0);
WM_GetInsideRectEx(hClient, &RectInside);
WM_GetWindowRectEx(hGraph, &Rect);
WM_ForEachDesc(hClient, _ForEach, &FullScreenMode); /* Hide all descendants */
WM_SetWindowPos(hGraph, WM_GetWindowOrgX(hClient), WM_GetWindowOrgX(hClient), RectInside.x1, RectInside.y1);
ScalePos = GRAPH_SCALE_SetPos(_hScaleH, RectInside.y1 - 105);
} else {
/* Return to normal mode */
BUTTON_SetText(hButton, "Full Screen");
WM_MoveWindow(hButton, 0, -11);
WM_ForEachDesc(WM_GetClientWindow(hDlg), _ForEach, &FullScreenMode); /* Show all descendants */
WM_SetWindowPos(hGraph, Rect.x0, Rect.y0, Rect.x1 - Rect.x0 + 1, Rect.y1 - Rect.y0 + 1);
FRAMEWIN_SetTitleVis(hDlg, 1);
GRAPH_SCALE_SetPos(_hScaleH, ScalePos);
}
}
/*********************************************************************
*
* _cbCallback
*
* Purpose:
* Callback function of the dialog
*/
static void _cbCallback(WM_MESSAGE * pMsg) {
int NCode, Id, Value, i;
WM_HWIN hDlg, hItem;
hDlg = pMsg->hWin;
switch (pMsg->MsgId) {
case WM_INIT_DIALOG:
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
_InitPoints();
/* Add graphs */
for (i = 0; i < 3; i++) {
GRAPH_DATA_Handle hDataXY;
hDataXY = GRAPH_DATA_XY_Create(_aColor[i], GUI_COUNTOF(_aPoint[i]), _aPoint[i], GUI_COUNTOF(_aPoint[i]));
GRAPH_DATA_XY_SetLineStyle(hDataXY, _aLStyle[i]);
GRAPH_AttachData(hItem, hDataXY);
}
/* Set graph attributes */
GRAPH_SetGridDistY(hItem, 25);
GRAPH_SetGridVis(hItem, 1);
GRAPH_SetUserDraw(hItem, _UserDraw);
/* Create and add vertical scale */
_hScaleV = GRAPH_SCALE_Create( 35, GUI_TA_RIGHT, GRAPH_SCALE_CF_VERTICAL, 25);
GRAPH_SCALE_SetOff(_hScaleV, 100);
GRAPH_SCALE_SetFactor(_hScaleV, 0.04f);
GRAPH_SCALE_SetTextColor(_hScaleV, GUI_RED);
GRAPH_AttachScale(hItem, _hScaleV);
/* Create and add horizontal scale */
_hScaleH = GRAPH_SCALE_Create(70, GUI_TA_HCENTER, GRAPH_SCALE_CF_HORIZONTAL, 50);
GRAPH_SCALE_SetFactor(_hScaleH, 0.02f);
GRAPH_SCALE_SetTextColor(_hScaleH, GUI_DARKGREEN);
GRAPH_AttachScale(hItem, _hScaleH);
/* Init check boxes */
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK2);
CHECKBOX_SetText(hItem, "L");
CHECKBOX_SetState(hItem, 1);
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK3);
CHECKBOX_SetText(hItem, "T");
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK4);
CHECKBOX_SetText(hItem, "R");
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK5);
CHECKBOX_SetText(hItem, "B");
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK1);
CHECKBOX_SetText(hItem, "Grid");
CHECKBOX_SetState(hItem, 1);
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK6);
CHECKBOX_SetText(hItem, "HScroll");
hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK7);
CHECKBOX_SetText(hItem, "VScroll");
/* Init slider widgets */
hItem = WM_GetDialogItem(hDlg, GUI_ID_SLIDER0);
SLIDER_SetRange(hItem, 0, 10);
SLIDER_SetValue(hItem, 5);
SLIDER_SetNumTicks(hItem, 6);
hItem = WM_GetDialogItem(hDlg, GUI_ID_SLIDER1);
SLIDER_SetRange(hItem, 0, 20);
SLIDER_SetValue(hItem, 5);
SLIDER_SetNumTicks(hItem, 6);
/* Init radio widget */
hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO0);
RADIO_SetText(hItem, "3D", 0);
RADIO_SetText(hItem, "flat", 1);
RADIO_SetText(hItem, "-", 2);
/* Init button widget */
hItem = WM_GetDialogItem(hDlg, GUI_ID_BUTTON0);
WM_SetStayOnTop(hItem, 1);
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc); /* Id of widget */
NCode = pMsg->Data.v; /* Notification code */
switch (NCode) {
case WM_NOTIFICATION_CLICKED:
switch (Id) {
case GUI_ID_BUTTON0:
_ToggleFullScreenMode(hDlg);
break;
}
break;
case WM_NOTIFICATION_VALUE_CHANGED:
switch (Id) {
case GUI_ID_CHECK1:
/* Toggle grid */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
GRAPH_SetGridVis(hItem, CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK1)));
break;
case GUI_ID_CHECK2:
case GUI_ID_CHECK3:
case GUI_ID_CHECK4:
case GUI_ID_CHECK5:
/* Toggle border */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
GRAPH_SetBorder(hItem,
CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK2)) * 40,
CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK3)) * 5,
CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK4)) * 5,
CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK5)) * 5);
break;
case GUI_ID_SLIDER0:
/* Set horizontal grid spacing */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
Value = SLIDER_GetValue(pMsg->hWinSrc) * 10;
GRAPH_SetGridDistX(hItem, Value);
GRAPH_SCALE_SetTickDist(_hScaleH, Value);
if (Value != 50) {
GRAPH_SCALE_SetNumDecs(_hScaleH, 1);
} else {
GRAPH_SCALE_SetNumDecs(_hScaleH, 0);
}
break;
case GUI_ID_SLIDER1:
/* Set vertical grid spacing */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
Value = SLIDER_GetValue(pMsg->hWinSrc) * 5;
GRAPH_SetGridDistY(hItem, Value);
GRAPH_SCALE_SetTickDist(_hScaleV, Value);
if (Value != 25) {
GRAPH_SCALE_SetNumDecs(_hScaleV, 1);
} else {
GRAPH_SCALE_SetNumDecs(_hScaleV, 0);
}
break;
case GUI_ID_RADIO0:
/* Set the widget effect */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
switch (RADIO_GetValue(pMsg->hWinSrc)) {
case 0:
WIDGET_SetEffect(hItem, &WIDGET_Effect_3D);
break;
case 1:
WIDGET_SetEffect(hItem, &WIDGET_Effect_Simple);
break;
case 2:
WIDGET_SetEffect(hItem, &WIDGET_Effect_None);
break;
}
break;
case GUI_ID_CHECK6:
/* Toggle horizontal scroll bar */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
if (CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK6))) {
GRAPH_SetVSizeX(hItem, 500);
} else {
GRAPH_SetVSizeX(hItem, 0);
}
break;
case GUI_ID_CHECK7:
/* Toggle vertical scroll bar */
hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
if (CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK7))) {
GRAPH_SetVSizeY(hItem, 300);
} else {
GRAPH_SetVSizeY(hItem, 0);
}
break;
}
break;
}
break;
default:
WM_DefaultProc(pMsg);
}
}
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* MainTask
*/
void MainTask(void);
void MainTask(void) {
int Cnt = 0;
WM_HWIN hDlg, hGraph = 0;
GUI_Init();
GUI_CURSOR_Show();
WM_SetDesktopColor(GUI_BLACK);
#if GUI_SUPPORT_MEMDEV
WM_SetCreateFlags(WM_CF_MEMDEV);
#endif
hDlg = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), &_cbCallback, 0, 0, 0);
while (1) {
GUI_Delay(10);
}
}
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