widget_listview.c

uc/os下的gui,友好的交互界面可以使你的产品更有吸引力

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 2002         SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  [e-mail]    *
*                                                                    *
**********************************************************************

**** emWin/GSC Grafical 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        : WIDGET_ListView.c
Purpose     : Demonstrates the use of header widgets
---------------------------END-OF-HEADER------------------------------
*/

#include <stddef.h>
#include <string.h>
#include "GUI.h"
#include "LISTVIEW.h"
#include "FRAMEWIN.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/

#define SPEED 650

#define MSG_CHANGE_MAIN_TEXT (WM_USER + 0)
#define MSG_CHANGE_INFO_TEXT (WM_USER + 1)

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

static const GUI_COLOR Colors[]      = { 0, GUI_BLUE };

static const GUI_LOGPALETTE Palette  = { 
  2,     /* bps */
  1,     /* transparency */
  Colors /* pointer to colors */
};

static const unsigned char acBarCode[] = {
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
  _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_, ________, ________, ________, ________, _XXX_X__, XXX__XX_, X_X_X_XX, __X_XXX_,
};

static const GUI_BITMAP bmBarCode = { 96, 10, 12, 1, acBarCode, &Palette};

static const char * _aTable_1[][3] = {
  { "623499-0010001", "1", "Item 1" },
  { "623499-0010002", "2", "Item 2" },
  { "623499-0010003", "3", "Item 3" },
  { "623499-0010004", "4", "Item 4" },
  { "623499-0010005", "5", "Item 5" },
  { "623499-0010006", "6", "Item 6" },
  { "623499-0010007", "7", "Item 7" },
  { "623499-0010008", "8", "Item 8" }
};

static const char * _aTable_2[][3] = {
  { "111111-1111111", "100-A", "Item AAA" },
  { "222222-2222222", "100-B", "Item BBB" },
  { "333333-3333333", "100-C", "Item CCC" },
  { "444444-4444444", "100-D", "Item DDD" },
  { "555555-5555555", "100-E", "Item EEE" },
  { "666666-6666666", "100-F", "Item FFF" },
  { "777777-7777777", "100-G", "Item GGG" },
  { "888888-8888888", "100-H", "Item HHH" }
};

static LISTVIEW_Handle _hListView;

static char _acMainText[100];
static char _acInfoText[100];

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
/*******************************************************************
*
*       _ChangeMainText
*
*  Sends a message to the background window and invalidate it, so
*  the callback of the background window display the new text.
*/
static void _ChangeMainText(char* pStr) {
  WM_MESSAGE Message;
  Message.MsgId  = MSG_CHANGE_MAIN_TEXT;
  Message.Data.p = pStr;
  WM_SendMessage(WM_HBKWIN, &Message);
  WM_InvalidateWindow(WM_HBKWIN);
}

/*******************************************************************
*
*       _ChangeInfoText
*
*  Sends a message to the background window and invalidate it, so
*  the callback of the background window display the new text.
*/
static void _ChangeInfoText(char* pStr) {
  WM_MESSAGE Message;
  Message.MsgId  = MSG_CHANGE_INFO_TEXT;
  Message.Data.p = pStr;
  WM_SendMessage(WM_HBKWIN, &Message);
  WM_InvalidateWindow(WM_HBKWIN);
  GUI_Delay(SPEED);
}

/*******************************************************************
*
*       _cbBkWindow
*/
static void _cbBkWindow(WM_MESSAGE* pMsg) {
  switch (pMsg->MsgId) {
    case MSG_CHANGE_MAIN_TEXT:
      strcpy(_acMainText, pMsg->Data.p);
      WM_InvalidateWindow(pMsg->hWin);
      break;
    case MSG_CHANGE_INFO_TEXT:
      strcpy(_acInfoText, pMsg->Data.p);
      WM_InvalidateWindow(pMsg->hWin);
      break;
    case WM_PAINT:
      GUI_SetBkColor(GUI_BLACK);
      GUI_Clear();
      GUI_SetColor(GUI_WHITE);
      GUI_SetFont(&GUI_Font24_ASCII);
      GUI_DispStringHCenterAt("LISTVIEW Widget - Sample", 160, 5);
      GUI_SetFont(&GUI_Font8x16);
      GUI_DispStringAt(_acMainText, 5, 40);
      GUI_SetFont(&GUI_Font8x8);
      GUI_DispStringAt(_acInfoText, 5, 60);
      break;
    default:
      WM_DefaultProc(pMsg);
  }
}

/*********************************************************************
*
*       _Demo
*/
static void _Demo(void) {
  unsigned int i, j;
  int Key = 0;
  int Cnt = 15;
  char acInfoText[] = "-- sec to play with header control";
  HEADER_Handle hHeader;
  hHeader = LISTVIEW_GetHeader(_hListView);
  WM_SetFocus(_hListView);
  _ChangeInfoText("LISTVIEW_AddColumn");
  LISTVIEW_AddColumn(_hListView, 100, "EAN",         GUI_TA_CENTER);
  GUI_Delay(SPEED / 2);
  LISTVIEW_AddColumn(_hListView,  50, "Order #\0x0", GUI_TA_CENTER);
  GUI_Delay(SPEED / 2);
  LISTVIEW_AddColumn(_hListView, 100, "Description", GUI_TA_CENTER);
  GUI_Delay(SPEED / 2);
  _ChangeInfoText("SCROLLBAR_CreateAttached");
  SCROLLBAR_CreateAttached(_hListView, SCROLLBAR_CF_VERTICAL);
  GUI_Delay(SPEED / 2);
  _ChangeInfoText("LISTVIEW_AddRow");
  for (i = 0; i < GUI_COUNTOF(_aTable_1); i++) {
    LISTVIEW_AddRow(_hListView, _aTable_1[i]);
    GUI_Delay(SPEED / 3);
  }
  _ChangeInfoText("LISTVIEW_IncSel");
  for (i = 0; i < LISTVIEW_GetNumRows(_hListView); i++) {
    LISTVIEW_IncSel(_hListView);
    GUI_Delay(SPEED / 4);
  }
  GUI_Delay(SPEED / 4);
  _ChangeInfoText("LISTVIEW_DecSel");
  for (i = 0; i < LISTVIEW_GetNumRows(_hListView); i++) {
    LISTVIEW_DecSel(_hListView);
    GUI_Delay(SPEED / 4);
  }
  GUI_Delay(SPEED / 4);
  _ChangeInfoText("LISTVIEW_SetTextAlign");
  LISTVIEW_SetTextAlign(_hListView, 0, GUI_TA_RIGHT);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("LISTVIEW_SetColumnWidth");
  LISTVIEW_SetColumnWidth(_hListView, 1, 70);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("HEADER_SetTextColor");
  HEADER_SetTextColor(hHeader, GUI_BLUE);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("LISTVIEW_SetItemText");
  for (i = 0; i < GUI_COUNTOF(_aTable_2); i++) {
    for (j = 0; j < GUI_COUNTOF(_aTable_2[i]); j++) {
      LISTVIEW_SetItemText(_hListView, j, i, _aTable_2[i][j]);
    }
  }
  GUI_Delay(SPEED / 2);
  _ChangeInfoText("LISTVIEW_SetBkColor");
  LISTVIEW_SetBkColor(_hListView, 0, GUI_YELLOW);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("LISTVIEW_SetGridVis");
  LISTVIEW_SetGridVis(_hListView, 1);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("HEADER_SetHeight");
  HEADER_SetHeight(hHeader, 30);
  GUI_Delay(SPEED * 0.7);
  _ChangeInfoText("HEADER_SetBitmapEx");
  HEADER_SetBitmap(hHeader, 0, &bmBarCode);
  GUI_Delay(SPEED * 0.7);
  while ((Key != GUI_KEY_ENTER) && (Cnt > 0)) {
    acInfoText[0] = '0' + (Cnt / 10);
    acInfoText[1] = '0' + (Cnt-- % 10);
    _ChangeInfoText(acInfoText);
    GUI_Delay(1000);
    Key = GUI_GetKey();
  }
}

/*********************************************************************
*
*       _DemoListView
*/
static void _DemoListView(void) {
  _ChangeMainText("LISTVIEW control without parent");
  _ChangeInfoText("LISTVIEW_Create");
  _hListView = LISTVIEW_Create(10, 80, 300, 89, 0, 1234, WM_CF_SHOW, 0);
  GUI_Delay(SPEED / 2);
  _Demo();
  _ChangeInfoText("LISTVIEW_Delete");
  LISTVIEW_Delete(_hListView);
  GUI_Delay(SPEED);
}

/*********************************************************************
*
*       MainTask
*
**********************************************************************
*/
void MainTask(void) {
  GUI_Init();
  WM_EnableMemdev(WM_HBKWIN);
  WM_SetCreateFlags(WM_CF_MEMDEV);
  WM_SetCallback(WM_HBKWIN, _cbBkWindow);
  GUI_CURSOR_Show();
  while(1) {
    _DemoListView();
  }
}