bmpbkgnd.c

/*
** $Id: bmpbkgnd.c 759 2009-09-21 05:22:47Z dongjunjie $
**
** Listing 5.2
**
** bmpbkgnd.c: Sample program for MiniGUI Programming Guide
**             Create a dialog box filling background with bitmap.
**
** Copyright (C) 2003 ~ 2007 Feynman Software.
**
** License: GPL
*/

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

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

#ifdef _LANG_ZHCN
#include "bmpbkgnd_res_cn.h"
#elif defined _LANG_ZHTW
#include "bmpbkgnd_res_tw.h"
#else
#include "bmpbkgnd_res_en.h"
#endif

static DLGTEMPLATE input_temp =
{
    WS_BORDER | WS_CAPTION,
    WS_EX_NONE,
    0, 0, 640, 420,
    please_input_the_length,
    0, 0,
    4, NULL,
    0
};

#define IDC_SIZE_MM     100
#define IDC_SIZE_INCH   110

static CTRLDATA input_ctrls [] =
{
    {
        CTRL_STATIC,
        WS_VISIBLE | SS_SIMPLE,
        400, 10, 220, 18,
        IDC_STATIC,
        please_input_the_length_mm,
        0,
        WS_EX_TRANSPARENT
    },
    {
        CTRL_SLEDIT,
        WS_VISIBLE | WS_TABSTOP | WS_BORDER,
        400, 40, 220, 24,
        IDC_SIZE_MM,
        NULL,
        0
    },
    {
        CTRL_STATIC,
        WS_VISIBLE | SS_SIMPLE,
        400, 70, 220, 18,
        IDC_SIZE_INCH,
        equivalent_to_inches,
        0,
        WS_EX_TRANSPARENT
    },
    {
        CTRL_BUTTON,
        WS_TABSTOP | WS_VISIBLE | BS_DEFPUSHBUTTON,
        470, 110, 60, 25,
        IDOK,
        OK,
        0
    }
};

static void my_notif_proc (HWND hwnd, int id, int nc, DWORD add_data)
{
    if (id == IDC_SIZE_MM && nc == EN_CHANGE) {
        char buff [60];
        double len;

GetWindowText (hwnd, buff, 32);
        len = atof (buff);
        len = len / 25.4;

sprintf (buff, equivalent_to_f_inches, len);

SetDlgItemText (GetParent (hwnd), IDC_SIZE_INCH, buff);
    }
}

static BITMAP bmp_bkgnd;
static int input_proc (HWND hDlg, int message, WPARAM wParam, LPARAM lParam)
{
    switch (message) {
    case MSG_INITDIALOG:
        SetWindowAdditionalData (hDlg, lParam);
        SendDlgItemMessage (hDlg, IDC_SIZE_MM, EM_LIMITTEXT, 15, 0);
        SetNotificationCallback (GetDlgItem (hDlg, IDC_SIZE_MM), my_notif_proc);
        return 1;
        
    case MSG_ERASEBKGND:
        {
            HDC hdc = (HDC)wParam;
            const RECT* clip = (const RECT*) lParam;
            BOOL fGetDC = FALSE;
            RECT rcTemp;
                    
            if (hdc == 0) {
                hdc = GetClientDC (hDlg);
                fGetDC = TRUE;
            }       
                    
            if (clip) {
                rcTemp = *clip;
                ScreenToClient (hDlg, &rcTemp.left, &rcTemp.top);
                ScreenToClient (hDlg, &rcTemp.right, &rcTemp.bottom);
                IncludeClipRect (hdc, &rcTemp);
            }
            else
                GetClientRect (hDlg, &rcTemp);

FillBoxWithBitmap (hdc, 0, 0,
                    RECTW(rcTemp), RECTH(rcTemp), &bmp_bkgnd);

if (fGetDC)
                ReleaseDC (hdc);
            return 0;
        }

case MSG_CLOSE:
        EndDialog (hDlg, IDCANCEL);
        break;
        
    case MSG_COMMAND:
        switch (wParam) {
        case IDOK:
        {
            char buff [40];
            double* length = (double*) GetWindowAdditionalData (hDlg);
            GetWindowText (GetDlgItem (hDlg, IDC_SIZE_MM), buff, 32);
            *length = atof (buff);
        }
        case IDCANCEL:
            EndDialog (hDlg, wParam);
            break;
        }
        break;
    }
    
    return DefaultDialogProc (hDlg, message, wParam, lParam);
}

static int InputLenDialogBox (HWND hWnd, double* length)
{
    input_temp.controls = input_ctrls;
    
    return DialogBoxIndirectParam (&input_temp, hWnd, input_proc, (LPARAM)length);
}

int MiniGUIMain (int argc, const char* argv[])
{
    double length;

#ifdef _MGRM_PROCESSES
    JoinLayer(NAME_DEF_LAYER , "bmpbkgnd" , 0 , 0);
#endif

if (LoadBitmap (HDC_SCREEN, &bmp_bkgnd, "res/bkgnd.jpg"))
         return 1;

if (InputLenDialogBox (HWND_DESKTOP, &length) == IDOK)
        printf ("The length is %.5f mm.\n", length);

UnloadBitmap (&bmp_bkgnd);
    return 0;
}

#ifdef _MGRM_THREADS
#include <minigui/dti.c>
#endif