LISTVIEW - Custom (Sample)

LISTVIEW_Custom.c
File(s) required	LISTVIEW_Custom.c
Runs in simulation	Yes
Runs on target	Yes
Download	LISTVIEW_Custom.c

This sample demonstrates custom drawing of a LISTVIEW widget.

Code

/*********************************************************************
*                    SEGGER Microcontroller GmbH                     *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2020  SEGGER Microcontroller GmbH                *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V6.10 - 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        : LISTVIEW_Custom.c
Purpose     : Sample that demonstrates how to give LISTVIEW widgets
              in emWin a custom look.
Requirements: WindowManager - (x)
              MemoryDevices - ( )
              AntiAliasing  - ( )
              VNC-Server    - ( )
              PNG-Library   - ( )
              TrueTypeFonts - ( )
---------------------------END-OF-HEADER------------------------------
*/

#include "DIALOG.h"

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/
static const char * _acContent[][4] = {
  { "1002", "Murphy",    "Diane",    "President",            },
  { "1056", "Patterson", "Mary",     "VP Sales",             },
  { "1076", "Firrelli",  "Jeff",     "VP Marketing",         },
  { "1088", "Patterson", "William",  "Sales Manager (APAC)", },
  { "1102", "Bondur",    "Gerard",   "Sale Manager (EMEA)",  },
  { "1143", "Bow",       "Anthony",  "Sales Manager (NA)",   },
  { "1165", "Jennings",  "Leslie",   "Sales Rep",            },
  { "1166", "Thompson",  "Leslie",   "Sales Rep",            },
  { "1188", "Firrelli",  "Julie",    "Sales Rep",            },
  { "1216", "Patterson", "Steve",    "Sales Rep",            },
  { "1286", "Tseng",     "Foon Yue", "Sales Rep",            },
};

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
static int _OwnerDrawListview(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo) {
  char acBuffer[64];
  int  Sel;

  switch (pDrawItemInfo->Cmd) {
  case WIDGET_ITEM_GET_XSIZE:
    //
    // Return x-size of item
    //
    return LISTVIEW_OwnerDraw(pDrawItemInfo);
  case WIDGET_ITEM_GET_YSIZE:
    //
    // Return y-size of item
    //
    return LISTVIEW_OwnerDraw(pDrawItemInfo);
  case WIDGET_ITEM_DRAW:
    //
    // Draw item / row
    //
    GUI_SetTextMode(GUI_TM_TRANS);
    LISTVIEW_GetItemText(pDrawItemInfo->hWin, pDrawItemInfo->Col, pDrawItemInfo->ItemIndex, acBuffer, sizeof(acBuffer));
    Sel = LISTVIEW_GetSel(pDrawItemInfo->hWin);
    if(Sel == pDrawItemInfo->ItemIndex) {
      GUI_SetColor(GUI_WHITE);
    } else {
      GUI_SetColor(GUI_BLACK);
    }
    GUI_DispStringAt(acBuffer, pDrawItemInfo->x0, pDrawItemInfo->y0);
    return 0;
  case WIDGET_ITEM_DRAW_BACKGROUND:
    GUI_SetColor(GUI_BLACK);
    GUI_DrawHLine(pDrawItemInfo->y0, pDrawItemInfo->x0, pDrawItemInfo->x1);
    //
    // Draw item / row background
    //
    GUI_DrawGradientV(pDrawItemInfo->x0, pDrawItemInfo->y0, pDrawItemInfo->x1, pDrawItemInfo->y1, GUI_GRAY_C8, GUI_GRAY_D0);
    return 0;
  default:
    return LISTVIEW_OwnerDraw(pDrawItemInfo);
  }
}
/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  LISTVIEW_Handle hListview;
  int             i;

  //
  // Init GUI
  //
  GUI_Init();
  //
  // Create listview widget
  //
  hListview = LISTVIEW_CreateEx(0, 0, LCD_GetXSize(), LCD_GetYSize(), WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_LISTVIEW0);
  //
  // Add columns to listview
  //
  LISTVIEW_AddColumn(hListview, 45, "Emp. Nr.", GUI_TA_LEFT);
  LISTVIEW_AddColumn(hListview, 60, "Last Name", GUI_TA_LEFT);
  LISTVIEW_AddColumn(hListview, 60, "First Name", GUI_TA_LEFT);
  LISTVIEW_AddColumn(hListview, 110, "Title", GUI_TA_LEFT);
  //
  // Add rows to listview
  //
  for (i = 0; i < GUI_COUNTOF(_acContent); i++) {
    LISTVIEW_AddRow(hListview, _acContent[i]);
  }
  //
  // Enable scrollbar if needed
  //
  LISTVIEW_SetAutoScrollH(hListview, 1);
  LISTVIEW_SetAutoScrollV(hListview, 1);
  //
  // Set OwnerDraw function
  //
  LISTVIEW_SetOwnerDraw(hListview, _OwnerDrawListview);

  while (1) {
    GUI_Delay(100);
  }
}

/*************************** End of file ****************************/