LISTVIEW - Usage (Sample)

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LISTVIEW_Usage.c
LISTVIEW Usage.png
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  • LISTVIEW_Usage.c
Runs in simulation Yes
Runs on target Yes
Download LISTVIEW_Usage.c

This sample demonstrates the usage of a LISTVIEW widget.

Demo

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_Usage.c
Purpose     : Sample that demonstrates the usage of LISTVIEW widgets
              in emWin.
Requirements: WindowManager - (x)
              MemoryDevices - ( )
              AntiAliasing  - ( )
              VNC-Server    - ( )
              PNG-Library   - ( )
              TrueTypeFonts - ( )
---------------------------END-OF-HEADER------------------------------
*/

#include "DIALOG.h"
#include <stdio.h>
#include <stdlib.h>

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/
static const char * _acContent[][6] = {
  { "1002", "Murphy",    "Diane",    "x5800", "President",            "dmurphy@classicmodelcars.com"    },
  { "1056", "Patterson", "Mary",     "x4611", "VP Sales",             "mpatterso@classicmodelcars.com"  },
  { "1076", "Firrelli",  "Jeff",     "x9273", "VP Marketing",         "jfirrelli@classicmodelcars.com"  },
  { "1088", "Patterson", "William",  "x4871", "Sales Manager (APAC)", "wpatterson@classicmodelcars.com" },
  { "1102", "Bondur",    "Gerard",   "x5408", "Sale Manager (EMEA)",  "gbondur@classicmodelcars.com"    },
  { "1143", "Bow",       "Anthony",  "x5428", "Sales Manager (NA)",   "abow@classicmodelcars.com"       },
  { "1165", "Jennings",  "Leslie",   "x3291", "Sales Rep",            "ljennings@classicmodelcars.com"  },
  { "1166", "Thompson",  "Leslie",   "x4065", "Sales Rep",            "lthompson@classicmodelcars.com"  },
  { "1188", "Firrelli",  "Julie",    "x2173", "Sales Rep",            "jfirrelli@classicmodelcars.com"  },
  { "1216", "Patterson", "Steve",    "x4334", "Sales Rep",            "spatterson@classicmodelcars.com" },
  { "1286", "Tseng",     "Foon Yue", "x2248", "Sales Rep",            "ftseng@classicmodelcars.com"     },
};

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
/*********************************************************************
*
*       _CompareExtension
*/
static int _CompareExtension(const void * p0, const void * p1) {
  const char * ps[2];
  int          v[2];
  int          i;

  ps[0] = (const char *)p0 + 1; // Move pointer by 1 to ignore the 'x'
  ps[1] = (const char *)p1 + 1;

  //
  // Parse to int
  //
  for (i = 0; i < 2; i++) {
    v[i] = atoi(ps[i]);
    if (v[i] == 0) {
      return 0;
    }
  }

  if (v[0] > v[1]) {
    return -1;
  } else if (v[0] < v[1]) {
    return 1;
  } else {
    return 0;
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  LISTVIEW_Handle hListview;
  int             i;

  //
  // Init GUI
  //
  GUI_Init();
  //
  // Enable multi-buffering
  //
  WM_MULTIBUF_Enable(1);
  //
  // 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, 40, "Ext.", GUI_TA_LEFT);
  LISTVIEW_AddColumn(hListview, 110, "Title", GUI_TA_LEFT);
  LISTVIEW_AddColumn(hListview, 180, "Email", GUI_TA_LEFT);
  //
  // Add rows to listview
  //
  for (i = 0; i < GUI_COUNTOF(_acContent); i++) {
    LISTVIEW_AddRow(hListview, _acContent[i]);
  }
  //
  // Set compare functions
  //
  LISTVIEW_SetCompareFunc(hListview, 0, LISTVIEW_CompareDec);
  LISTVIEW_SetCompareFunc(hListview, 1, LISTVIEW_CompareText);
  LISTVIEW_SetCompareFunc(hListview, 2, LISTVIEW_CompareText);
  LISTVIEW_SetCompareFunc(hListview, 3, _CompareExtension);
  LISTVIEW_SetCompareFunc(hListview, 4, LISTVIEW_CompareText);
  LISTVIEW_SetCompareFunc(hListview, 5, LISTVIEW_CompareText);
  //
  // Enable sorting
  //
  LISTVIEW_EnableSort(hListview);
  //
  // Enable scrollbar if needed
  //
  LISTVIEW_SetAutoScrollH(hListview, 1);
  LISTVIEW_SetAutoScrollV(hListview, 1);

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

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