WIDGET_CustomTreeview.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        : WIDGET_CustomTreeview.c
00041 Purpose     : Demonstrates using the TREEVIEW widget
00042 Requirements: WindowManager - (x)
00043               MemoryDevices - (x)
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 #include "DIALOG.h"
00051 
00052 /*********************************************************************
00053 *
00054 *       Defines
00055 *
00056 **********************************************************************
00057 */
00058 #define NUM_CHILD_NODES 4
00059 #define NUM_CHILD_ITEMS 4
00060 #define TREEVIEW_DEPTH  4
00061 #define USER_COLOR GUI_MAKE_COLOR(0x00FFFF)
00062 
00063 //
00064 // Recommended memory to run the sample with adequate performance
00065 //
00066 #define RECOMMENDED_MEMORY (1024L * 40)
00067 
00068 /*********************************************************************
00069 *
00070 *       Static data
00071 *
00072 **********************************************************************
00073 */
00074 /*********************************************************************
00075 *
00076 *       bmOpen
00077 */
00078 static GUI_COLOR ColorsOpen[] = {
00079      GUI_MAKE_COLOR(0x0000FF), GUI_MAKE_COLOR(0x000000), USER_COLOR
00080 };
00081 
00082 static GUI_CONST_STORAGE GUI_LOGPALETTE PalOpen = {
00083   3,    // number of entries
00084   1,    // Has transparency
00085   &ColorsOpen[0]
00086 };
00087 
00088 static GUI_CONST_STORAGE unsigned char acOpen[] = {
00089   0x01, 0x55, 0x50, 0x00,
00090   0x01, 0xAA, 0x90, 0x00,
00091   0x05, 0xAA, 0x95, 0x54,
00092   0x06, 0xAA, 0xAA, 0xA4,
00093   0x55, 0x55, 0x55, 0xA4,
00094   0x6A, 0xAA, 0xAA, 0x64,
00095   0x6A, 0xAA, 0xAA, 0x64,
00096   0x1A, 0xAA, 0xAA, 0x94,
00097   0x1A, 0xAA, 0xAA, 0x94,
00098   0x06, 0xAA, 0xAA, 0xA4,
00099   0x05, 0x55, 0x55, 0x54,
00100   0x00, 0x00, 0x00, 0x00
00101 };
00102 
00103 GUI_CONST_STORAGE GUI_BITMAP bmOpen = {
00104   16,        // XSize
00105   12,        // YSize
00106   4,         // BytesPerLine
00107   2,         // BitsPerPixel
00108   acOpen,    // Pointer to picture data (indices)
00109   &PalOpen   // Pointer to palette
00110 };
00111 
00112 /*********************************************************************
00113 *
00114 *       bmLeaf
00115 */
00116 static GUI_COLOR ColorsLeaf[] = {
00117      GUI_MAKE_COLOR(0x0000FF), USER_COLOR, GUI_MAKE_COLOR(0x000000)
00118 };
00119 
00120 static GUI_CONST_STORAGE GUI_LOGPALETTE PalLeaf = {
00121   3,    // number of entries
00122   1,    // Has transparency
00123   &ColorsLeaf[0]
00124 };
00125 
00126 static GUI_CONST_STORAGE unsigned char acLeaf[] = {
00127   0x0A, 0xAA, 0xA8, 0x00,
00128   0x09, 0x55, 0x5A, 0x00,
00129   0x09, 0x55, 0x59, 0x80,
00130   0x09, 0xAA, 0x9A, 0x80,
00131   0x09, 0x55, 0x55, 0x80,
00132   0x09, 0xAA, 0xA9, 0x80,
00133   0x09, 0x55, 0x55, 0x80,
00134   0x09, 0xAA, 0xA9, 0x80,
00135   0x09, 0x55, 0x55, 0x80,
00136   0x09, 0xAA, 0xA9, 0x80,
00137   0x09, 0x55, 0x55, 0x80,
00138   0x09, 0xAA, 0xA9, 0x80,
00139   0x09, 0x55, 0x55, 0x80,
00140   0x0A, 0xAA, 0xAA, 0x80,
00141   0x00, 0x00, 0x00, 0x00
00142 };
00143 
00144 GUI_CONST_STORAGE GUI_BITMAP bmLeaf = {
00145   14,        // XSize
00146   15,        // YSize
00147   4,         // BytesPerLine
00148   2,         // BitsPerPixel
00149   acLeaf,    // Pointer to picture data (indices)
00150   &PalLeaf   // Pointer to palette
00151 };
00152 
00153 /*********************************************************************
00154 *
00155 *       bmClosed
00156 */
00157 static GUI_COLOR ColorsClosed[] = {
00158      GUI_MAKE_COLOR(0x0000FF), USER_COLOR, GUI_MAKE_COLOR(0x000000)
00159 };
00160 
00161 static GUI_CONST_STORAGE GUI_LOGPALETTE PalClosed = {
00162   3,    // number of entries
00163   1,    // Has transparency
00164   &ColorsClosed[0]
00165 };
00166 
00167 static GUI_CONST_STORAGE unsigned char acClosed[] = {
00168   0x02, 0xAA, 0xA0, 0x00,
00169   0x02, 0x55, 0x60, 0x00,
00170   0x0A, 0xAA, 0xAA, 0xA8,
00171   0x09, 0x55, 0x55, 0x58,
00172   0x09, 0x55, 0x55, 0x58,
00173   0x09, 0x55, 0x55, 0x58,
00174   0x09, 0x55, 0x55, 0x58,
00175   0x09, 0x55, 0x55, 0x58,
00176   0x09, 0x55, 0x55, 0x58,
00177   0x09, 0x55, 0x55, 0x58,
00178   0x0A, 0xAA, 0xAA, 0xA8,
00179   0x00, 0x00, 0x00, 0x00
00180 };
00181 
00182 GUI_CONST_STORAGE GUI_BITMAP bmClosed = {
00183   16,          // XSize
00184   12,          // YSize
00185   4,           // BytesPerLine
00186   2,           // BitsPerPixel
00187   acClosed,    // to picture data (indices)
00188   &PalClosed   // Pointer to palette
00189 };
00190 
00191 /*********************************************************************
00192 *
00193 *       bmPlus
00194 */
00195 static GUI_CONST_STORAGE GUI_COLOR _ColorsPlus[] = {
00196   0x00FF00, 0xFFFFFF, 0x241CED
00197 };
00198 
00199 static GUI_CONST_STORAGE GUI_LOGPALETTE _PalPlus = {
00200   3,  // Number of entries
00201   1,  // Has transparency
00202   &_ColorsPlus[0]
00203 };
00204 
00205 static GUI_CONST_STORAGE unsigned char _acPlus[] = {
00206   0x00, 0xAA, 0xA8, 0x00,
00207   0x0A, 0xA5, 0x6A, 0x80,
00208   0x2A, 0xA5, 0x6A, 0xA0,
00209   0xAA, 0x55, 0x56, 0xA8,
00210   0xAA, 0x55, 0x56, 0xA8,
00211   0xAA, 0x55, 0x56, 0xA8,
00212   0x2A, 0xA5, 0x6A, 0xA0,
00213   0x0A, 0xA5, 0x6A, 0x80,
00214   0x00, 0xAA, 0xA8, 0x00
00215 };
00216 
00217 static GUI_CONST_STORAGE GUI_BITMAP bmPlus = {
00218   15,         // xSize
00219   9,          // ySize
00220   4,          // BytesPerLine
00221   2,          // BitsPerPixel
00222   _acPlus,    // Pointer to picture data (indices)
00223   &_PalPlus   // Pointer to palette
00224 };
00225 
00226 /*********************************************************************
00227 *
00228 *       bmMinus
00229 */
00230 static GUI_CONST_STORAGE GUI_COLOR _ColorsMinus[] = {
00231   0x00FF00, 0x241CED, 0xFFFFFF
00232 };
00233 
00234 static GUI_CONST_STORAGE GUI_LOGPALETTE _PalMinus = {
00235   3,  // Number of entries
00236   1,  // Has transparency
00237   &_ColorsMinus[0]
00238 };
00239 
00240 static GUI_CONST_STORAGE unsigned char _acMinus[] = {
00241   0x00, 0x55, 0x54, 0x00,
00242   0x05, 0x55, 0x55, 0x40,
00243   0x15, 0x55, 0x55, 0x50,
00244   0x55, 0xAA, 0xA9, 0x54,
00245   0x55, 0xAA, 0xA9, 0x54,
00246   0x55, 0xAA, 0xA9, 0x54,
00247   0x15, 0x55, 0x55, 0x50,
00248   0x05, 0x55, 0x55, 0x40,
00249   0x00, 0x55, 0x54, 0x00
00250 };
00251 
00252 static GUI_CONST_STORAGE GUI_BITMAP bmMinus = {
00253   15,          // xSize
00254   9,           // ySize
00255   4,           // BytesPerLine
00256   2,           // BitsPerPixel
00257   _acMinus,    // Pointer to picture data (indices)
00258   &_PalMinus   // Pointer to palette
00259 };
00260 
00261 /*********************************************************************
00262 *
00263 *       Static code
00264 *
00265 **********************************************************************
00266 */
00267 /*********************************************************************
00268 *
00269 *       _FillNode
00270 *
00271 * Function description
00272 *   Recursive filling of node
00273 *
00274 * Parameters:
00275 *   hTree     - obvious
00276 *   NumNodes  - Number of child nodes to be created at each node
00277 *   NumLeafs - Number of leaves to be created at each node
00278 *   MaxDepth  - Maximum depth (1.1.1.1.1.....)
00279 *   CurDepth  - Current depth
00280 *   acBuffer  - String to be used for TREEVIEW items
00281 *   p         - Pointer into to string to be used for numbering
00282 *
00283 * Return value:
00284 *  0 on success, 1 on error
00285 */
00286 static int _FillNode(WM_HWIN hTree, TREEVIEW_ITEM_Handle hNode, int NumNodes, int NumLeafs, int MaxDepth, int CurDepth, char * acBuffer, char * p) {
00287   TREEVIEW_ITEM_Handle hItem = 0;
00288   int i, Position;
00289 
00290   *(p + 1) = 0;
00291   *p = '0' - 1;
00292   if (--CurDepth) {
00293     //
00294     // Create nodes
00295     //
00296     for (i = 0; i < NumNodes; i++) {
00297       (*p)++;
00298       Position = hItem ? TREEVIEW_INSERT_BELOW : TREEVIEW_INSERT_FIRST_CHILD;
00299       hItem = TREEVIEW_ITEM_Create(1, acBuffer, 0);
00300       if (hItem == 0) {
00301         return 1; // Error
00302       }
00303       TREEVIEW_AttachItem(hTree, hItem, hNode, Position);
00304       hNode = hItem;
00305       *(p + 1) = '.';
00306       p += 2;
00307       //
00308       // Recursive call of 'this' function for each node
00309       //
00310       _FillNode(hTree, hNode, NumNodes, NumLeafs, MaxDepth, CurDepth, acBuffer, p);
00311       p -= 2;
00312       *(p + 1) = 0;
00313     }
00314   }
00315   //
00316   // Create Leafs
00317   //
00318   for (i = 0; i < NumLeafs; i++) {
00319     (*p)++;
00320     Position = hItem ? TREEVIEW_INSERT_BELOW : TREEVIEW_INSERT_FIRST_CHILD;
00321     hItem = TREEVIEW_ITEM_Create(0, acBuffer, 0);
00322     if (hItem == 0) {
00323       return 1; // Error
00324     }
00325     TREEVIEW_AttachItem(hTree, hItem, hNode, Position);
00326     hNode = hItem;
00327   }
00328   return 0;
00329 }
00330 
00331 /*********************************************************************
00332 *
00333 *       _DrawLine
00334 */
00335 static void _DrawLine(int x0, int y0, int x1, int y1) {
00336   GUI_SetColor(GUI_GREEN);
00337   GUI_SetLineStyle(GUI_LS_DOT);
00338   GUI_DrawLine(x0, y0, x1, y1);
00339   GUI_SetLineStyle(GUI_LS_SOLID);
00340 }
00341 
00342 /*********************************************************************
00343 *
00344 *       _SwapColors
00345 */
00346 static void _SwapColors(GUI_COLOR * pColor) {
00347   GUI_COLOR Color;
00348 
00349   Color = *(pColor + 1);
00350   *(pColor + 1) = *(pColor + 2);
00351   *(pColor + 2) = Color;
00352 
00353 }
00354 
00355 /*********************************************************************
00356 *
00357 *       _TREEVIEW_OwnerDraw
00358 */
00359 static int _TREEVIEW_OwnerDraw(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo) {
00360   TREEVIEW_ITEM_DRAW_INFO * pDrawInfo;
00361   TREEVIEW_ITEM_INFO        ItemInfo;
00362   TREEVIEW_ITEM_Handle      hItem;
00363   int i;
00364   GUI_COLOR * pColor;
00365 
00366   pDrawInfo = (TREEVIEW_ITEM_DRAW_INFO *)pDrawItemInfo->p;
00367   switch (pDrawItemInfo->Cmd) {
00368   case WIDGET_ITEM_DRAW_BACKGROUND:
00369     hItem = TREEVIEW_GetSel(pDrawItemInfo->hWin);
00370     TREEVIEW_OwnerDraw(pDrawItemInfo);
00371     if (hItem == pDrawInfo->hItem) {
00372       GUI_DrawGradientRoundedV(pDrawInfo->rText.x0 - 25, pDrawItemInfo->y0, pDrawInfo->rText.x1 + 10, pDrawItemInfo->y1, 3, GUI_RED, GUI_DARKRED);
00373       GUI_SetColor(GUI_RED);
00374       GUI_DrawRoundedFrame(pDrawInfo->rText.x0 - 25, pDrawItemInfo->y0, pDrawInfo->rText.x1 + 10, pDrawItemInfo->y1, 3, 2);
00375     }
00376     break;
00377   case WIDGET_ITEM_DRAW_BITMAP:
00378     //
00379     // Invert colors of bitmap in case of drawing a selected item
00380     //
00381     hItem = TREEVIEW_GetSel(pDrawItemInfo->hWin);
00382     TREEVIEW_ITEM_GetInfo(pDrawInfo->hItem, &ItemInfo);
00383     if (ItemInfo.Level >= 1) {
00384       if ((hItem == pDrawInfo->hItem) && ((pDrawItemInfo->ItemIndex == TREEVIEW_BI_CLOSED) || (pDrawItemInfo->ItemIndex == TREEVIEW_BI_OPEN) || (pDrawItemInfo->ItemIndex == TREEVIEW_BI_LEAF))) {
00385         pColor = (GUI_COLOR *)pDrawInfo->pBmOCL->pPal->pPalEntries;
00386         _SwapColors(pColor);
00387         TREEVIEW_OwnerDraw(pDrawItemInfo);
00388         _SwapColors(pColor);
00389       } else {
00390         TREEVIEW_OwnerDraw(pDrawItemInfo);
00391       }
00392     }
00393     break;
00394   case WIDGET_ITEM_DRAW_TEXT:
00395     //
00396     // Make sure text is transparent
00397     //
00398     GUI_SetTextMode(GUI_TM_TRANS);
00399     TREEVIEW_OwnerDraw(pDrawItemInfo);
00400     break;
00401   case WIDGET_ITEM_DRAW_TICKS:
00402     TREEVIEW_ITEM_GetInfo(pDrawInfo->hItem, &ItemInfo);
00403     //
00404     // Draw lines
00405     //
00406     for (i = 0; i < pDrawInfo->NumLines; i++) {
00407       if (ItemInfo.IsNode) {
00408         //
00409         // Extend horizontal line in case of a node
00410         //
00411         if (pDrawInfo->ay0[i] == pDrawInfo->ay1[i]) {
00412           pDrawInfo->ax1[i] += 10;
00413         }
00414       }
00415       _DrawLine(pDrawInfo->ax0[i], pDrawInfo->ay0[i], pDrawInfo->ax1[i], pDrawInfo->ay1[i]);
00416     }
00417     //
00418     // Draw connectors
00419     //
00420     for (i = 0; i < pDrawInfo->NumConnectors; i++) {
00421       _DrawLine(pDrawInfo->axc[i], pDrawItemInfo->y0, pDrawInfo->axc[i], pDrawItemInfo->y1);
00422     }
00423     break;
00424   default:
00425     return TREEVIEW_OwnerDraw(pDrawItemInfo);
00426   }
00427   return 0;
00428 }
00429 
00430 static void _cbBk(WM_MESSAGE * pMsg) {
00431   int xSize;
00432 
00433   switch (pMsg->MsgId) {
00434   case WM_PAINT:
00435     xSize = LCD_GetXSize();
00436     GUI_Clear();
00437     GUI_SetFont(GUI_FONT_24_ASCII);
00438     GUI_DispStringHCenterAt("Customized TREEVIEW widget", xSize >> 1, 5);
00439     GUI_DrawHLine(30, 0, xSize - 1);
00440     break;
00441   }
00442 }
00443 
00444 /*********************************************************************
00445 *
00446 *       Public code
00447 *
00448 **********************************************************************
00449 */
00450 /*********************************************************************
00451 *
00452 *       MainTask
00453 */
00454 void MainTask(void) {
00455   WM_HWIN hTree;
00456   TREEVIEW_ITEM_Handle hNode;
00457   int xSize, ySize;
00458   char acBuffer[(TREEVIEW_DEPTH << 1) + 1];
00459 
00460   //
00461   // Initialize emWin
00462   //
00463   WM_SetCreateFlags(WM_CF_MEMDEV);
00464   GUI_Init();
00465   //
00466   // Check if recommended memory for the sample is available
00467   //
00468   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00469     GUI_ErrorOut("Not enough memory available."); 
00470     return;
00471   }
00472   xSize = LCD_GetXSize();
00473   ySize = LCD_GetYSize();
00474   //
00475   // Set defaults for background and widgets
00476   //
00477   WM_SetCallback(WM_HBKWIN, _cbBk);
00478   SCROLLBAR_SetDefaultSkin(SCROLLBAR_SKIN_FLEX);
00479   SCROLLBAR_SetDefaultWidth(20);
00480   SCROLLBAR_SetThumbSizeMin(25);
00481   //
00482   //
00483   //
00484   GUI_SetFont(GUI_FONT_24_ASCII);
00485   GUI_DispStringHCenterAt("Customized TREEVIEW widget", 160, 5);
00486   //
00487   // Create TREEVIEW
00488   //
00489   hTree = TREEVIEW_CreateEx(0, 35, xSize, ySize - 35, WM_HBKWIN, WM_CF_SHOW | WM_CF_HASTRANS, 0, GUI_ID_TREEVIEW0);
00490   TREEVIEW_SetAutoScrollV(hTree, 1);
00491   TREEVIEW_SetFont(hTree, GUI_FONT_24_ASCII);
00492   TREEVIEW_SetIndent(hTree, 30);
00493   TREEVIEW_SetTextIndent(hTree, 20);
00494   TREEVIEW_SetImage(hTree, TREEVIEW_BI_PLUS, &bmPlus);
00495   TREEVIEW_SetImage(hTree, TREEVIEW_BI_MINUS, &bmMinus);
00496   TREEVIEW_SetImage(hTree, TREEVIEW_BI_CLOSED, &bmClosed);
00497   TREEVIEW_SetImage(hTree, TREEVIEW_BI_OPEN, &bmOpen);
00498   TREEVIEW_SetImage(hTree, TREEVIEW_BI_LEAF, &bmLeaf);
00499   TREEVIEW_SetBitmapOffset(hTree, TREEVIEW_BI_PM, -21, -6);
00500   TREEVIEW_SetOwnerDraw(hTree, _TREEVIEW_OwnerDraw);
00501   TREEVIEW_SetBkColor(hTree, TREEVIEW_CI_SEL, USER_COLOR);
00502   TREEVIEW_SetBkColor(hTree, TREEVIEW_CI_UNSEL, GUI_BLACK);
00503   TREEVIEW_SetTextColor(hTree, TREEVIEW_CI_SEL, GUI_WHITE);
00504   TREEVIEW_SetTextColor(hTree, TREEVIEW_CI_UNSEL, GUI_WHITE);
00505   WIDGET_SetEffect(hTree, &WIDGET_Effect_None);
00506   //
00507   // Fill TREEVIEW
00508   //
00509   hNode = TREEVIEW_InsertItem(hTree, TREEVIEW_ITEM_TYPE_NODE, 0, 0, "Tree");
00510   _FillNode(hTree, hNode, NUM_CHILD_NODES, NUM_CHILD_ITEMS, TREEVIEW_DEPTH, TREEVIEW_DEPTH, acBuffer, acBuffer);
00511   TREEVIEW_ITEM_Expand(hNode);
00512   WM_SetFocus(hTree);
00513   while (1) {
00514     GUI_Delay(100);
00515   }
00516 }
00517 
00518 /*************************** End of file ****************************/