WM_Video.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
00006 *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
00007 *                                                                    *
00008 *        Internet: www.segger.com    Support:  support@segger.com    *
00009 *                                                                    *
00010 **********************************************************************
00011 
00012 ** emWin V5.48 - Graphical user interface for embedded applications **
00013 All  Intellectual Property rights  in the Software belongs to  SEGGER.
00014 emWin is protected by  international copyright laws.  Knowledge of the
00015 source code may not be used to write a similar product.  This file may
00016 only be used in accordance with the following terms:
00017 
00018 The software  has been licensed to  Cypress Semiconductor Corporation,
00019 whose registered  office is situated  at 198 Champion Ct. San Jose, CA 
00020 95134 USA  solely for the  purposes of creating  libraries for Cypress
00021 PSoC3 and  PSoC5 processor-based devices,  sublicensed and distributed
00022 under  the  terms  and  conditions  of  the  Cypress  End User License
00023 Agreement.
00024 Full source code is available at: www.segger.com
00025 
00026 We appreciate your understanding and fairness.
00027 ----------------------------------------------------------------------
00028 Licensing information
00029 Licensor:                 SEGGER Microcontroller Systems LLC
00030 Licensed to:              Cypress Semiconductor Corp, 198 Champion Ct., San Jose, CA 95134, USA
00031 Licensed SEGGER software: emWin
00032 License number:           GUI-00319
00033 License model:            Services and License Agreement, signed June 10th, 2009
00034 Licensed platform:        Any Cypress platform (Initial targets are: PSoC3, PSoC5)
00035 ----------------------------------------------------------------------
00036 Support and Update Agreement (SUA)
00037 SUA period:               2009-06-12 - 2022-07-27
00038 Contact to extend SUA:    sales@segger.com
00039 ----------------------------------------------------------------------
00040 File        : WM_Video.c
00041 Purpose     : The sample shows how to find out if a window is
00042               completely visible and/or covered.
00043 Requirements: WindowManager - (x)
00044               MemoryDevices - ( )
00045               AntiAliasing  - ( )
00046               VNC-Server    - ( )
00047               PNG-Library   - ( )
00048               TrueTypeFonts - ( )
00049 ----------------------------------------------------------------------
00050 */
00051 
00052 #include <stddef.h>
00053 #include <stdio.h>
00054 
00055 #include "WM.h"
00056 #include "GUI.h"
00057 #include "FRAMEWIN.h"
00058 #include "BUTTON.h"
00059 #include "TEXT.h"
00060 
00061 static void _cbFrameWinTest(WM_MESSAGE * pMsg);
00062 
00063 /*********************************************************************
00064 *
00065 *       Defines
00066 *
00067 **********************************************************************
00068 */
00069 #define MAX_WINDOWS   50
00070 
00071 //
00072 // Recommended memory to run the sample with adequate performance
00073 //
00074 #define RECOMMENDED_MEMORY (1024L * 5)
00075 
00076 /*********************************************************************
00077 *
00078 *       Static data
00079 *
00080 **********************************************************************
00081 */
00082 
00083 static WM_HWIN _ahWin[MAX_WINDOWS];
00084 static char    _IsCompletelyVis;
00085 
00086 /*********************************************************************
00087 *
00088 *       Static code
00089 *
00090 **********************************************************************
00091 */
00092 /*********************************************************************
00093 *
00094 *       _CreateWindow
00095 */
00096 static void _CreateWindow(void) {
00097   unsigned i;
00098   WM_HWIN  hWin;
00099   char     ac[32];
00100   int      j;
00101 
00102   for (i = 0; i < MAX_WINDOWS; i++) {
00103     if (_ahWin[i] == 0) {
00104       j = i + 1;
00105       sprintf(ac, "Test window %d", j);
00106       hWin = FRAMEWIN_CreateEx(5 + 10 * i, 135 + 10 * i, 120, 60, 0, WM_CF_SHOW, FRAMEWIN_CF_MOVEABLE, 0, ac, _cbFrameWinTest);
00107       FRAMEWIN_SetClientColor(hWin, GUI_INVALID_COLOR);
00108       _ahWin[i] = hWin;
00109       break;
00110     }
00111   }
00112 }
00113 
00114 /*********************************************************************
00115 *
00116 *       _DeleteWindow
00117 */
00118 static void _DeleteWindow(void) {
00119   unsigned i;
00120 
00121   for (i = 0; i < MAX_WINDOWS; i++) {
00122     if (WM_IsVisible(_ahWin[i])) {
00123       WM_DeleteWindow(_ahWin[i]);
00124       _ahWin[i] = 0;
00125       break;
00126     }
00127   }
00128 }
00129 
00130 /*********************************************************************
00131 *
00132 *       _ShowWindow
00133 */
00134 static void _ShowWindow(void) {
00135   unsigned i;
00136 
00137   for (i = 0; i < MAX_WINDOWS; i++) {
00138     if (_ahWin[i] != 0) {
00139       if (WM_IsVisible(_ahWin[i]) == 0) {
00140         WM_ShowWindow(_ahWin[i]);
00141         break;
00142       }
00143     }
00144   }
00145 }
00146 
00147 /*********************************************************************
00148 *
00149 *       _HideWindow
00150 */
00151 static void _HideWindow(void) {
00152   unsigned i;
00153 
00154   for (i = 0; i < MAX_WINDOWS; i++) {
00155     if (WM_IsVisible(_ahWin[i])) {
00156       WM_HideWindow(_ahWin[i]);
00157       break;
00158     }
00159   }
00160 }
00161 
00162 /*********************************************************************
00163 *
00164 *       Static code, callbacks
00165 *
00166 **********************************************************************
00167 */
00168 /*********************************************************************
00169 *
00170 *       _cbBkWin
00171 */
00172 static void _cbBkWin(WM_MESSAGE* pMsg) {
00173   int Id;
00174 
00175   switch (pMsg->MsgId) {
00176   case WM_PAINT:
00177     GUI_SetBkColor(GUI_BLACK);
00178     GUI_Clear();
00179     break;
00180   case WM_NOTIFY_PARENT:
00181     if (pMsg->Data.v == WM_NOTIFICATION_RELEASED) {
00182       Id = WM_GetId(pMsg->hWinSrc);
00183       switch (Id) {
00184       case GUI_ID_BUTTON0:
00185         _CreateWindow();
00186         break;
00187       case GUI_ID_BUTTON1:
00188         _DeleteWindow();
00189         break;
00190       case GUI_ID_BUTTON2:
00191         _ShowWindow();
00192         break;
00193       case GUI_ID_BUTTON3:
00194         _HideWindow();
00195         break;
00196       }
00197     }
00198     break;
00199   default:
00200     WM_DefaultProc(pMsg);
00201   }
00202 }
00203 
00204 /*********************************************************************
00205 *
00206 *       _cbFrameWinVideo
00207 */
00208 static void _cbFrameWinVideo(WM_MESSAGE* pMsg) {
00209   WM_HWIN hWin;
00210   WM_HWIN hText;
00211   int     IsCompletelyVis;
00212   int     IsCompletelyCovered;
00213 
00214   switch (pMsg->MsgId) {
00215   case WM_PAINT:
00216     if (_IsCompletelyVis) {
00217       GUI_SetBkColor(GUI_DARKGREEN);
00218       GUI_Clear();
00219       GUI_SetColor(GUI_WHITE);
00220       GUI_DispStringAt("Completely visible", 5, 5);
00221     } else {
00222       GUI_SetBkColor(GUI_GRAY);
00223       GUI_Clear();
00224       GUI_SetColor(GUI_WHITE);
00225       GUI_DispStringAt("Not completely visible", 5, 5);
00226     }
00227     break;
00228   case WM_NOTIFY_VIS_CHANGED:
00229     hText = WM_GetDialogItem(WM_HBKWIN, GUI_ID_TEXT1);
00230     hWin  = WM_GetClientWindow(pMsg->hWin);
00231     IsCompletelyVis     = WM_IsCompletelyVisible(hWin);
00232     IsCompletelyCovered = WM_IsCompletelyCovered(hWin);
00233     if (IsCompletelyCovered) {
00234       TEXT_SetText(hText, "completely\ncovered");
00235     } else {
00236       TEXT_SetText(hText, "not completely\ncovered");
00237     }
00238     if (_IsCompletelyVis != IsCompletelyVis) {
00239       _IsCompletelyVis = IsCompletelyVis;
00240       WM_InvalidateWindow(hWin);    /* Only required if content changes if partially hidden */
00241     }
00242     break;
00243   default:
00244     WM_DefaultProc(pMsg);
00245   }
00246 }
00247 
00248 /*********************************************************************
00249 *
00250 *       _cbFrameWinTest
00251 */
00252 static void _cbFrameWinTest(WM_MESSAGE* pMsg) {
00253   switch (pMsg->MsgId) {
00254   case WM_PAINT:
00255     GUI_SetBkColor(GUI_DARKRED);
00256     GUI_Clear();
00257     break;
00258   default:
00259     WM_DefaultProc(pMsg);
00260   }
00261 }
00262 
00263 /*********************************************************************
00264 *
00265 *       Public code
00266 *
00267 **********************************************************************
00268 */
00269 /*********************************************************************
00270 *
00271 *       MainTask
00272 */
00273 void MainTask(void) {
00274   FRAMEWIN_Handle hWinVideo;
00275   BUTTON_Handle   hBut;
00276   WM_HWIN         hText;
00277 
00278   GUI_Init();
00279   //
00280   // Check if recommended memory for the sample is available
00281   //
00282   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00283     GUI_ErrorOut("Not enough memory available."); 
00284     return;
00285   }
00286   WM_SetCallback(WM_HBKWIN, _cbBkWin);
00287   hText = TEXT_CreateEx(240,  85, 80, 26, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_TEXT0, "The client\nwindow is");
00288   TEXT_SetTextColor(hText, GUI_WHITE);
00289   hText = TEXT_CreateEx(240, 111, 80, 26, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_TEXT1, NULL);
00290   TEXT_SetTextColor(hText, GUI_WHITE);
00291   //
00292   // Create buttons
00293   //
00294   hBut = BUTTON_CreateEx(240,  5, 75, 18, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_BUTTON0);
00295   BUTTON_SetText(hBut, "Create win");
00296   hBut = BUTTON_CreateEx(240, 25, 75, 18, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_BUTTON1);
00297   BUTTON_SetText(hBut, "Delete win");
00298   hBut = BUTTON_CreateEx(240, 45, 75, 18, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_BUTTON2);
00299   BUTTON_SetText(hBut, "Show win");
00300   hBut = BUTTON_CreateEx(240, 65, 75, 18, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_BUTTON3);
00301   BUTTON_SetText(hBut, "Hide win");
00302   //
00303   // Create framewin video
00304   //  
00305   hWinVideo = FRAMEWIN_CreateEx(5, 5, 170, 120, 0, WM_CF_SHOW, FRAMEWIN_CF_MOVEABLE, 0, "Video window", _cbFrameWinVideo);
00306   FRAMEWIN_SetClientColor(hWinVideo, GUI_INVALID_COLOR);
00307   //
00308   // Create test windows
00309   //
00310   _CreateWindow();
00311   _CreateWindow();
00312   _CreateWindow();
00313   while (1) {
00314     GUI_Delay(1000);
00315   }
00316 }
00317 
00318 /*************************** End of file ****************************/
00319