SWIPELIST - Custom (Sample)

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

This sample demonstrates custom drawing of a SWIPELIST 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        : SWIPELIST_Custom.c
Purpose     : Sample that demonstrates the usage of SWIPELIST 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>

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
#define ITEM_SIZE      28
#define SEPARATOR_SIZE 36

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/

/*********************************************************************
*
*       Sample bitmap
*/
const GUI_COLOR ColorsSmilie1[] = {
#if GUI_USE_ARGB
     0xFFFFFFFF,0xFF000000,0xFFFFFF00
#else
     0xFFFFFF,0x000000,0x00FFFF
#endif
};

const GUI_LOGPALETTE PalSmilie1 = {
  3,	// number of entries
  1, 	// Has transparency
  &ColorsSmilie1[0]
};

const unsigned char acSmilie1[] = {
  0x00, 0x55, 0x40, 0x00,
  0x01, 0xAA, 0x90, 0x00,
  0x06, 0xAA, 0xA4, 0x00,
  0x19, 0x6A, 0x59, 0x00,
  0x69, 0x6A, 0x5A, 0x40,
  0x6A, 0xA6, 0xAA, 0x40,
  0x6A, 0xA6, 0xAA, 0x40,
  0x6A, 0xA6, 0xAA, 0x40,
  0x6A, 0xAA, 0xAA, 0x40,
  0x1A, 0x6A, 0x69, 0x00,
  0x06, 0x95, 0xA4, 0x00,
  0x01, 0xAA, 0x90, 0x00,
  0x00, 0x55, 0x40, 0x00
};

const GUI_BITMAP bmSmilie1 = {
 13,          // XSize
 13,          // YSize
 4,           // BytesPerLine
 2,           // BitsPerPixel
 acSmilie1,   // Pointer to picture data (indices)
 &PalSmilie1  // Pointer to palette
};

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
static int _OwnerDrawSwipelist(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo) {
  const GUI_BITMAP * pBM;
  char               acBuffer[64];
  int                NumTexts;
  int                i;

  switch (pDrawItemInfo->Cmd) {
  case WIDGET_ITEM_DRAW_BACKGROUND:
    //
    // Draw background of swipelist
    //
    GUI_SetColor(GUI_WHITE);
    GUI_FillRect(pDrawItemInfo->x0, pDrawItemInfo->y0, pDrawItemInfo->x1, pDrawItemInfo->y1);
    GUI_SetColor(GUI_BLACK);
    GUI_DrawHLine(pDrawItemInfo->y1, pDrawItemInfo->x0, pDrawItemInfo->x1);
    return 0;
  case WIDGET_ITEM_DRAW_TEXT:
    //
    // Display texts
    //
    GUI_SetColor(GUI_BLACK);
    GUI_SetTextMode(GUI_TM_TRANS);
    NumTexts = SWIPELIST_GetNumText(pDrawItemInfo->hWin, pDrawItemInfo->ItemIndex);
    for (i = 0; i < NumTexts; i++) {
      if (i == 0) {
        GUI_SetFont(&GUI_Font16_1);
      } else {
        GUI_SetFont(&GUI_Font13_1);
      }
      SWIPELIST_GetText(pDrawItemInfo->hWin, pDrawItemInfo->ItemIndex, i, acBuffer, sizeof(acBuffer));
      GUI_DispStringAt(acBuffer, pDrawItemInfo->x0, pDrawItemInfo->y0 + (i * 15));
    }
    return 0;
  case WIDGET_ITEM_DRAW_BITMAP:
    //
    // Draw bitmap if item has a bitmap attached to it
    //
    pBM = SWIPELIST_GetBitmap(pDrawItemInfo->hWin, pDrawItemInfo->ItemIndex);
    if (pBM) {
      GUI_DrawBitmap(pBM, pDrawItemInfo->x0, pDrawItemInfo->y0);
    }
    return 0;
  case WIDGET_ITEM_DRAW_SEP:
    //
    // Draw separator line
    //
    GUI_SetColor(GUI_BLACK);
    GUI_DrawHLine(pDrawItemInfo->y0 - SEPARATOR_SIZE - 4, pDrawItemInfo->x0, pDrawItemInfo->x1);
    return 0;
  default:
    return SWIPELIST_OwnerDraw(pDrawItemInfo);
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  SWIPELIST_Handle hList;
  char             acBuffer[32];
  int              i;

  //
  // Init GUI
  //
  GUI_Init();
  //
  // Enable multi-buffering
  // (Necessary for swipelist widget)
  //
  WM_MULTIBUF_Enable(1);
  //
  // Create a swipelist widget
  //
  hList = SWIPELIST_CreateEx(0, 0, LCD_GetXSize(), LCD_GetYSize(), WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_SWIPELIST0);
  //
  // Add a separator as header
  //
  SWIPELIST_AddSepItem(hList, "Separator", SEPARATOR_SIZE);
  //
  // Add items to swipelist
  //
  for (i = 1; i <= 10; i++) {
    sprintf(acBuffer, "Item %d", i);
    SWIPELIST_AddItem(hList, acBuffer, ITEM_SIZE);
    sprintf(acBuffer, "Item description #%d...", i);
    SWIPELIST_AddItemText(hList, i, acBuffer); // i + 1 since we added a separator above
    //
    // Add another separator in between
    //
    if (i == 5) {
      SWIPELIST_AddSepItem(hList, "Another separator", SEPARATOR_SIZE);
      i++;
    }
  }
  //
  // One item shall also draw a bitmap
  //
  SWIPELIST_SetBitmap(hList, 3, SWIPELIST_BA_LEFT | SWIPELIST_BA_VCENTER, &bmSmilie1);
  //
  // Set OwnerDraw function
  //
  SWIPELIST_SetOwnerDraw(hList, _OwnerDrawSwipelist);

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

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