minigui-docs/programming-guide-zh/samples/iconview.c

/**
 * iconview.c: Sample program for mGNCS Programming Guide
 *      The demo application for IconView.
 *
 * Copyright (C) 2009 ~ 2019 FMSoft Technologies.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// START_OF_INCS
#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>

#include <mgncs/mgncs.h>
// END_OF_INCS

#define IDC_ICONVIEW    100
#define IDC_ADD         600
#define IDC_DELETE      601

static BITMAP icon_demos [12];

static const char* iconfiles[12] =
{
    "./res/acroread.png",
    "./res/icons.png",
    "./res/looknfeel.png",
    "./res/package_games.png",
    "./res/tux.png",
    "./res/xemacs.png",
    "./res/gimp.png",
    "./res/kpilot.png",
    "./res/multimedia.png",
    "./res/realplayer.png",
    "./res/usb.png",
    "./res/xmms.png"
};

static const char *iconlabels[12] =
{
    "acroread",
    "icons",
    "looknfeel",
    "games",
    "tux",
    "xemacs",
    "gimp",
    "kpilot",
    "multimedia",
    "realplayer",
    "usb",
    "xmms"
};

static BOOL iconv_init(mDialogBox* self)
{
    NCS_ICONV_ITEMINFO info;
    static int i = 0, j = 0, pos = 0;
    mIconView *iconvObj;
    HWND iconvWnd;

    for(i = 0; i < TABLESIZE(icon_demos); i++)
    {
        LoadBitmap (HDC_SCREEN, &icon_demos[i], iconfiles[i]);
    }

    iconvWnd = GetDlgItem (self->hwnd, IDC_ICONVIEW);
    iconvObj = (mIconView*)ncsObjFromHandle(iconvWnd);

    if (!iconvObj)
        return FALSE;

// START_OF_ADDITEMS
    _c(iconvObj)->setIconSize(iconvObj, 90, 80);

    for(i = 0; i < TABLESIZE(icon_demos); i++)
    {
        pos = 0;
        memset (&info, 0, sizeof(NCS_ICONV_ITEMINFO));
        info.bmp = &icon_demos[i];
        info.index = TABLESIZE(icon_demos) * j + i;
        info.label = iconlabels[i];
        info.addData = (DWORD)iconlabels[i];
        _c(iconvObj)->addItem(iconvObj, &info, &pos);
    }
    _c(iconvObj)->setCurSel(iconvObj, 0);
// END_OF_ADDITEMS

    return TRUE;
}

// START_OF_WNDHANDLERS
static BOOL mainwnd_onKeyDown(mWidget* self,
        int message, int code, DWORD key_status)
{
    if (message == MSG_KEYDOWN) {
        if (code == SCANCODE_REMOVE) {
            mIconView *iconView;
            int curSel, count;
            HITEM delItem;

            iconView =
                (mIconView*)ncsObjFromHandle(GetDlgItem (self->hwnd, IDC_ICONVIEW));
            count = _c(iconView)->getItemCount(iconView);

            if (iconView) {
                curSel = _c(iconView)->getCurSel(iconView);

                if (curSel >= 0) {
                    delItem = _c(iconView)->getItem(iconView, curSel);
                    _c(iconView)->removeItem(iconView, delItem);
                    if (curSel == count -1)
                        curSel--;
                    _c(iconView)->setCurSel(iconView, curSel);
                }
            }
        }
    }
    return FALSE;
}

static NCS_EVENT_HANDLER mainwnd_handlers[] = {
    {MSG_KEYDOWN, mainwnd_onKeyDown},
    {0, NULL }
};
// END_OF_WNDHANDLERS

// START_OF_ICONVHANDLERS
static void iconv_notify (mWidget *self, int id, int nc, DWORD add_data)
{
    if (nc == NCSN_ICONV_CLICKED)
    {
        if (self) {
            int idx;
            const char  *text;
            mIconView   *iconvObj = (mIconView*)self;

            idx = _c(iconvObj)->indexOf(iconvObj, (HITEM)add_data);
            text = _c(iconvObj)->getText(iconvObj, (HITEM)add_data);
            fprintf (stderr, "click icon[%d], text is %s \n", idx, text);
        }
    }
}

static NCS_EVENT_HANDLER iconv_handlers[] = {
    NCS_MAP_NOTIFY(NCSN_ICONV_CLICKED, iconv_notify),
    NCS_MAP_NOTIFY(NCSN_ICONV_SELCHANGED, iconv_notify),
    {0, NULL }
};
// END_OF_ICONVHANDLERS

// START_OF_BTNHANDLERS
static void btn_notify(mWidget *self, int id, int nc, DWORD add_data)
{
    mIconView *iconvObj =
        (mIconView *)ncsGetChildObj(GetParent(self->hwnd), IDC_ICONVIEW);

    if (!iconvObj)
        return;

    switch (id)
    {
        case IDC_ADD:
        {
            char    buff[12];
            int     count, pos = 0;
            NCS_ICONV_ITEMINFO info;

            count = _c(iconvObj)->getItemCount(iconvObj);
            sprintf (buff, "icon%i", count+1);

            memset (&info, 0, sizeof(NCS_ICONV_ITEMINFO));
            info.bmp = &icon_demos[0];
            info.index = count;
            info.label = buff;
            info.addData = (DWORD)"icon";

            if (_c(iconvObj)->addItem(iconvObj, &info, &pos))
                _c(iconvObj)->setCurSel(iconvObj, pos);

            break;
        }

        case IDC_DELETE:
        {
            int     count, sel;
            char    *label = NULL;
            HITEM   hItem;

            sel     = _c(iconvObj)->getCurSel(iconvObj);
            count   = _c(iconvObj)->getItemCount(iconvObj);
            hItem   = _c(iconvObj)->getItem(iconvObj, sel);

            if (sel >= 0) {
                label = (char*)_c(iconvObj)->getAddData(iconvObj, hItem);
                _c(iconvObj)->removeItem(iconvObj, hItem);

                if (sel == count -1)
                    sel --;

                _c(iconvObj)->setCurSel(iconvObj, sel);
            }
            break;
        }
    }
}

static NCS_EVENT_HANDLER btn_handlers [] = {
    NCS_MAP_NOTIFY(NCSN_BUTTON_PUSHED, btn_notify),
    {0, NULL}
};
// END_OF_BTNHANDLERS

static NCS_RDR_INFO iconv_rdr_info = {
    "classic", "classic", NULL
};

static NCS_WND_TEMPLATE _ctrl_tmpl[] = {
    {
        NCSCTRL_ICONVIEW,
        IDC_ICONVIEW,
        15, 10, 220, 250,
        WS_BORDER | WS_CHILD | WS_VISIBLE | NCSS_NOTIFY | NCSS_ICONV_LOOP,
        WS_EX_NONE,
        "",
        NULL,
        &iconv_rdr_info,
        iconv_handlers,
        NULL,
        0,
        0
    },
    {
        NCSCTRL_BUTTON,
        IDC_ADD,
        15, 280, 80, 30,
        WS_VISIBLE | NCSS_NOTIFY,
        WS_EX_NONE,
        "add",
        NULL,
        NULL,
        btn_handlers,
        NULL,
        0,
        0
    },
    {
        NCSCTRL_BUTTON,
        IDC_DELETE,
        155, 280, 80, 30,
        WS_VISIBLE | NCSS_NOTIFY,
        WS_EX_NONE,
        "delete",
        NULL,
        NULL,
        btn_handlers,
        NULL,
        0,
        0
    },
};

static NCS_MNWND_TEMPLATE mainwnd_tmpl = {
    NCSCTRL_DIALOGBOX,
    7,
    0, 0, 260, 350,
    WS_CAPTION | WS_BORDER | WS_VISIBLE,
    WS_EX_NONE,
    "IconView Demo",
    NULL,
    NULL,
    mainwnd_handlers,
    _ctrl_tmpl,
    sizeof(_ctrl_tmpl)/sizeof(NCS_WND_TEMPLATE),
    0,
    0, 0,
};

int MiniGUIMain(int argc, const char* argv[])
{
    ncsInitialize();
    mDialogBox* mydlg = (mDialogBox *)ncsCreateMainWindowIndirect
                                (&mainwnd_tmpl, HWND_DESKTOP);

    iconv_init(mydlg);
    _c(mydlg)->doModal(mydlg, TRUE);

    MainWindowThreadCleanup(mydlg->hwnd);
    ncsUninitialize();
    return 0;
}