listview.c

** This source is free software you can redistribute it and/or ** modify it under the terms of the

/*
** $Id: listview.c,v 1.14 2003/06/06 10:10:47 weiym Exp $
**
** listview.c: The ListView control demo program.
**
** Copyright (C) 2001 ~ 2002 Wei Yongming.
** Copyright (C) 2003 Feynman Software.
**
** Create date: 2001/11/01
*/

/*
**  This source is free software; you can redistribute it and/or
**  modify it under the terms of the GNU General Public
**  License as published by the Free Software Foundation; either
**  version 2 of the License, or (at your option) any later version.
**
**  This software is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
**  General Public License for more details.
**
**  You should have received a copy of the GNU General Public
**  License along with this library; if not, write to the Free
**  Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
**  MA 02111-1307, USA
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>

#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>
#include <minigui/mgext.h>


#define IDC_LISTVIEW	10
#define IDC_CTRL1       20
#define IDC_CTRL2       30
#define IDC_CTRL3       40
#define IDC_CTRL4       50
#define IDC_EDIT        60
#define IDC_CTRL6       70
#define IDC_CTRL7       80
#define IDC_CTRL8       90
#define IDC_CTRL9       100
#define IDC_CTRL10      110
#define IDC_CTRL11      120
#define IDC_CTRL12      130

#define IDM_FILE	200

static HWND hMainWnd = HWND_INVALID;
static HWND hChildWnd1;
static HMENU hRightMenu;

static void create_ctrls (HWND hWnd)
{
        CreateWindow ("button", "Delete the selected item",
                                 WS_CHILD
                                 | BS_PUSHBUTTON
                                 | WS_VISIBLE,
                                 IDC_CTRL1, 20, 260, 130, 20, hWnd, 0);
        CreateWindow ("button", "Clear all item",
                                 WS_CHILD
                                 | BS_PUSHBUTTON
                                 | WS_VISIBLE,
                                 IDC_CTRL2, 160, 260, 80, 20, hWnd, 0);
        CreateWindow ("button", "select item",
                                 WS_CHILD
                                 | BS_PUSHBUTTON
                                 | WS_VISIBLE,
                                 IDC_CTRL3, 250, 260, 80, 20, hWnd, 0);
        CreateWindow ("button", "show item",
                                 WS_CHILD
                                 | BS_PUSHBUTTON
                                 | WS_VISIBLE,
                                 IDC_CTRL4, 340, 260, 80, 20, hWnd, 0);
        CreateWindow ("edit", "",
                                 WS_CHILD
                                 | WS_VISIBLE,
                                 IDC_EDIT, 30, 230, 120, 20, hWnd, 0);
        CreateWindow ("button", "del column",
                                 WS_CHILD
                                 | WS_VISIBLE,
                                 IDC_CTRL6, 20, 290, 80, 20, hWnd, 0);
        CreateWindow ("button", "set column head",
                                 WS_CHILD
                                 | WS_VISIBLE,
                                 IDC_CTRL7, 110, 290, 120, 20, hWnd, 0);
        CreateWindow ("button", "sorting the items",
                                 WS_CHILD
                                 | WS_VISIBLE,
                                 IDC_CTRL8, 240, 290, 120, 20, hWnd, 0);
        CreateWindow ("button", "find item",
                                 WS_CHILD
                                 | WS_VISIBLE,
                                 IDC_CTRL9, 370, 290, 120, 20, hWnd, 0);
}

int compare_time (int nItem1, int nItem2, PLVSORTDATA sortData)
{
	DWORD data1, data2;
	struct stat stat1, stat2;

	data1 = SendMessage (hChildWnd1, LVM_GETITEMADDDATA, nItem1, 0);
	data2 = SendMessage (hChildWnd1, LVM_GETITEMADDDATA, nItem2, 0);

	stat ( (char*)data1, &stat1 );
	stat ( (char*)data2, &stat2 );

	return (stat1.st_mtime - stat2.st_mtime);
}

int compare_size (int nItem1, int nItem2, PLVSORTDATA sortData)
{
	DWORD data1, data2;
	struct stat stat1, stat2;
	int size1, size2;

	data1 = SendMessage (hChildWnd1, LVM_GETITEMADDDATA, nItem1, 0);
	data2 = SendMessage (hChildWnd1, LVM_GETITEMADDDATA, nItem2, 0);

	stat ( (char*)data1, &stat1 );
	stat ( (char*)data2, &stat2 );

	if (S_ISREG(stat1.st_mode))
	    size1 = stat1.st_size;
	else
	    size1 = 0;

	if (S_ISREG(stat2.st_mode))
	    size2 = stat2.st_size;
	else
	    size2 = 0;

	return (size1 - size2);
}

static HMENU create_rightbutton_menu (void)
{
    int i;
    HMENU hMenu;
    MENUITEMINFO mii;
    char *msg[] = {
        "open",
        "copy",
        "delete",
        "rename",
        "properties"
    };

    memset (&mii, 0, sizeof(MENUITEMINFO));
    mii.type        = MFT_STRING;
    mii.id          = 0;
    mii.typedata    = (DWORD)"File";

    hMenu = CreatePopupMenu (&mii);

    for ( i = 0; i < 5; i ++ ) {
        memset ( &mii, 0, sizeof (MENUITEMINFO) );
        mii.type = MFT_STRING;
        mii.id = IDM_FILE+ i;
        mii.state = 0;
        mii.typedata= (DWORD) msg[i]; 
        InsertMenuItem ( hMenu, i, TRUE, &mii );
    }

    return hMenu;
    //return StripPopupHead(hMenu);
}

static void
lv_notify_process (HWND hwnd, int id, int code, DWORD addData)
{
    if (code == LVN_KEYDOWN) {
        PLVNM_KEYDOWN down;
	int key;
	
	down = (PLVNM_KEYDOWN)addData;
	key = LOWORD(down->wParam);

	if (key == SCANCODE_REMOVE) {
	    int nItem;
	    nItem = SendMessage (hwnd, LVM_GETSELECTEDITEM, 0, 0);
	    if (nItem > 0) {
	        if( MessageBox (hMainWnd, "are you really want to delete this file?", 
			    "warning", MB_YESNO) == IDYES) {
	        // not really delete yet.
	        SendMessage (hwnd, LVM_DELITEM, nItem, 0);
		}
	    }
	}
	if (key == SCANCODE_ENTER) {
	}
    }
    if (code == LVN_ITEMRUP) {
        PLVNM_ITEMRUP up;
	int x, y;
	
	up = (PLVNM_ITEMRUP)addData;
	x = LOSWORD(up->lParam);
	y = HISWORD(up->lParam);

	ClientToScreen (hChildWnd1, &x, &y);

        TrackPopupMenu (GetPopupSubMenu (hRightMenu), TPM_LEFTALIGN | TPM_LEFTBUTTON , 
            x, y, hMainWnd);
    }
    if (code == LVN_ITEMDBCLK) {
	int nItem = SendMessage (hwnd, LVM_GETSELECTEDITEM, 0, 0);
	if (nItem > 0) {
	        if( MessageBox (hMainWnd, "Are you really want to open this file?", 
			    "Question", MB_YESNO) == IDYES) {
		    MessageBox (hMainWnd, "Me too.", "Sorry", MB_OK);
		}
	}
    }
}

static int
ControlTestWinProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam)
{
  static BITMAP folder;

  switch (message)
  {
    case MSG_CREATE:
      {
        int i = 0;
        LVSUBITEM subdata;
        LVITEM item;
        LVCOLUMN s1;

        DIR*    dir;
        struct  dirent* dir_ent;
        struct  stat my_stat;

	create_ctrls (hWnd);
	hRightMenu = create_rightbutton_menu ();

	LoadBitmapFromFile (HDC_SCREEN, &folder, "./res/folder.bmp");

        hChildWnd1 = CreateWindow (CTRL_LISTVIEW, "List View",
                                   WS_CHILD | WS_VISIBLE | WS_VSCROLL |
                                   WS_HSCROLL | WS_BORDER, IDC_LISTVIEW, 20, 20, 350,
                                   200, hWnd, 0);

	SetNotificationCallback (hChildWnd1, lv_notify_process);

        SendMessage (hChildWnd1, LVM_SETITEMHEIGHT, 35, 0);
        SendMessage (hChildWnd1, LVM_SETHEADHEIGHT, 22, 0);

        s1.nCols = 1;
        s1.pszHeadText = "File name";
        s1.width = 100;
	s1.pfnCompare = NULL;
	s1.colFlags = 0;
        SendMessage (hChildWnd1, LVM_ADDCOLUMN, 0, (LPARAM) & s1);

        s1.nCols = 2;
        s1.pszHeadText = "File size";
        s1.width = 100;
	s1.pfnCompare = compare_size;
	s1.colFlags = LVCF_RIGHTALIGN | LVHF_CENTERALIGN;
        SendMessage (hChildWnd1, LVM_ADDCOLUMN, 0, (LPARAM) & s1);

        s1.nCols = 3;
        s1.pszHeadText = "Category";
        s1.width = 80;
	s1.pfnCompare = NULL;
	s1.colFlags = 0;
        SendMessage (hChildWnd1, LVM_ADDCOLUMN, 0, (LPARAM) & s1);

        s1.nCols = 4;
        s1.pszHeadText = "Last modified time";
        s1.width = 180;
	s1.pfnCompare = compare_time;
	s1.colFlags = LVCF_CENTERALIGN;
        SendMessage (hChildWnd1, LVM_ADDCOLUMN, 0, (LPARAM) & s1);

        dir = opendir ("./");

        while ( (dir_ent = readdir ( dir )) != NULL )
        {
            if (stat (dir_ent->d_name, &my_stat) < 0 ){
                continue;
            }

            if ( !( S_ISDIR(my_stat.st_mode) || S_ISREG(my_stat.st_mode) ) ) 
		continue;

            item.nItem = ++i;
	    item.itemData = (DWORD) strdup(dir_ent->d_name);
            SendMessage (hChildWnd1, LVM_ADDITEM, 0, (LPARAM) & item);
            subdata.nItem = i;

	    subdata.subItem = 1;
	    subdata.pszText = dir_ent->d_name;
	    if (S_ISDIR(my_stat.st_mode)) {
		subdata.flags |= LVFLAG_BITMAP;
		subdata.image = (DWORD)&folder;
		subdata.nTextColor = PIXEL_blue;
	    }
	    else {
		subdata.nTextColor = PIXEL_black;
	    }

            SendMessage (hChildWnd1, LVM_FILLSUBITEM, 0, (LPARAM) & subdata);

	    subdata.flags = 0;
	    subdata.image = 0;

	    {
	    int fsize = 0;
	    char buffer[50];
	    if (S_ISREG(my_stat.st_mode))
	        fsize = my_stat.st_size;
	    sprintf (buffer, "%d", fsize);
	    subdata.pszText = buffer;
	    subdata.nTextColor = PIXEL_black;
	    subdata.subItem = 2;
            SendMessage (hChildWnd1, LVM_FILLSUBITEM, 0, (LPARAM) & subdata);
	    }

	    subdata.subItem = 3;
	    if (S_ISDIR(my_stat.st_mode)) {
	        subdata.pszText = "directory";
	    }
	    else if (S_ISREG(my_stat.st_mode)) {
		subdata.pszText = "regular file";
	    }
	    subdata.nTextColor = PIXEL_black;
            SendMessage (hChildWnd1, LVM_FILLSUBITEM, 0, (LPARAM) & subdata);

	    subdata.subItem = 4;
	    subdata.pszText = ctime(&my_stat.st_mtime);
	    subdata.pszText[strlen(subdata.pszText)-1] = 0;
	    subdata.nTextColor = PIXEL_black;
            SendMessage (hChildWnd1, LVM_FILLSUBITEM, 0, (LPARAM) & subdata);
        }

	closedir (dir);

      }
      break;

    case MSG_COMMAND:
      {
        int id = LOWORD (wParam);
	//int code = HIWORD (wParam);
        int nSel;
	char buffer[101];

	GetWindowText (GetDlgItem(hWnd, IDC_EDIT), buffer, 100);
	nSel = atoi(buffer);

	printf ("id = %d, wParam = %d\n", id, wParam);
        switch (id)
        {
          case IDC_CTRL1:
            nSel = SendMessage (hChildWnd1, LVM_GETSELECTEDITEM, 0, 0);
            SendMessage (hChildWnd1, LVM_DELITEM, nSel, (LPARAM)0L );
            break;
          case IDC_CTRL2:
            SendMessage (hChildWnd1, LVM_DELALLITEM, 0, 0);
            break;
          case IDC_CTRL3:
            SendMessage (hChildWnd1, LVM_SELECTITEM, nSel, 0);
            break;
          case IDC_CTRL4:
            SendMessage (hChildWnd1, LVM_SELECTITEM, nSel, 0);
            SendMessage (hChildWnd1, LVM_SHOWITEM, nSel, 0);
	    break;
          case IDC_CTRL6:
            SendMessage (hChildWnd1, LVM_DELCOLUMN, nSel, 0);
	    break;
          case IDC_CTRL7:
	    {
		LVCOLUMN pcol;
		pcol.width = 100;
		pcol.nCols = 2;
		pcol.pszHeadText = buffer;
		pcol.nTextMax = strlen (buffer);
                SendMessage (hChildWnd1, LVM_SETCOLUMN, 0, (LPARAM)&pcol);
	    }
            break;
	  case IDC_CTRL8:
            SendMessage (hChildWnd1, LVM_SORTITEMS, 0, (LPARAM)compare_size);
	    break;
	  case IDC_CTRL9:
	  {
            LVFINDINFO find_info;
	    int nItem;
	    char buffer1[100];
	    char *text[1];

	    strcpy (buffer1, "listview.c");
	    text[0] = buffer1;

	    find_info.iStart = 0;
	    find_info.flags = LVFF_TEXT;
	    find_info.nCols = 1;
	    find_info.pszInfo = text;
            nItem = SendMessage (hChildWnd1, LVM_FINDITEM, 0, (LPARAM)&find_info);
	    SendMessage (hChildWnd1, LVM_CHOOSEITEM, nItem, 0);
	  }
	  break;
	  case IDM_FILE ... IDM_FILE+4:
	    MessageBox (hMainWnd, "In Construction ...", "Sorry", MB_OK);
	  break;
        }

      }
      break;

      case MSG_DESTROY:
          UnloadBitmap (&folder);
          DestroyMenu (hRightMenu);
          DestroyAllControls (hWnd);
          hMainWnd = HWND_INVALID;
	  return 0;

      case MSG_CLOSE:
          DestroyMainWindow (hWnd);
          MainWindowCleanup (hWnd);
          return 0;

    }
  return DefaultMainWinProc (hWnd, message, wParam, lParam);
}

static void
InitCreateInfo (PMAINWINCREATE pCreateInfo)
{
  pCreateInfo->dwStyle = WS_CAPTION | WS_BORDER | WS_MINIMIZEBOX
    | WS_MAXIMIZEBOX | WS_VISIBLE;
  pCreateInfo->dwExStyle = WS_EX_NONE;
  pCreateInfo->spCaption = "ListView control";
  pCreateInfo->hMenu = 0;
  pCreateInfo->hCursor = GetSystemCursor (1);
  pCreateInfo->hIcon = 0;
  pCreateInfo->MainWindowProc = ControlTestWinProc;
  pCreateInfo->lx = 0;
  pCreateInfo->ty = 0;
  pCreateInfo->rx = 500;
  pCreateInfo->by = 350;
  pCreateInfo->iBkColor = GetWindowElementColor (BKC_CONTROL_DEF); 
  pCreateInfo->dwAddData = 0;
  pCreateInfo->hHosting = HWND_DESKTOP;
}

void
listview_demo (HWND hwnd)
{
  MAINWINCREATE CreateInfo;

  InitCreateInfo (&CreateInfo);
  CreateInfo.hHosting = hwnd;

  hMainWnd = CreateMainWindow (&CreateInfo);

  if (hMainWnd != HWND_INVALID)
  {
      ShowWindow (hMainWnd, SW_SHOWNORMAL);
      return;
  }
}