MINI GUI 实现编辑对话框代码

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最新推荐文章于 2022-10-05 11:30:15 发布

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分类专栏： mini GUI 文章标签： border null input insert command button

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本文介绍了一个使用MiniGUI实现的编辑控件示例程序，演示了如何使用单行编辑框(SLEDIT)和多行编辑框(MLEDIT)进行字符输入，并展示了如何响应编辑控件的变化通知。

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/*
** $Id: edit.c,v 1.14 2004/09/24 10:48:07 suowei Exp $
**
** Listing 22.1
**
** edit.c: Sample program for MiniGUI Programming Guide
**             Usage of EDIT control.
**
** Copyright (C) 2004 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>

static DLGTEMPLATE DlgBoxInputChar =
{
    WS_BORDER | WS_CAPTION,
    WS_EX_NONE,
    0, 0, 400, 220,
#ifdef _LANG_ZHCN
    "请键入字母",
#else
    "Please input letters",
#endif
    0, 0,
    4, NULL,
    0
};

#define IDC_CHAR        100
#define IDC_CHARS       110

static CTRLDATA CtrlInputChar [] =
{
    {
        CTRL_STATIC,
        WS_VISIBLE | SS_CENTER,
        10, 10, 380, 18,
        IDC_STATIC,
#ifdef _LANG_ZHCN
        "请输入一个字母:",
#else
        "Please input a letter:",
#endif
        0
    },
    {
        CTRL_SLEDIT,
        WS_VISIBLE | WS_TABSTOP | WS_BORDER,
        170, 40, 40, 34,
        IDC_CHAR,
        NULL,
        0
    },
    {
        CTRL_MLEDIT,
        WS_VISIBLE | WS_BORDER | WS_VSCROLL | ES_BASELINE | ES_AUTOWRAP,
        10, 80, 380, 70,
        IDC_CHARS,
        "",
        0
    },
    {
        CTRL_BUTTON,
        WS_TABSTOP | WS_VISIBLE | BS_DEFPUSHBUTTON,
        170, 160, 60, 25,
        IDOK,
        "OK",
        0
    }
};

static void my_notif_proc (HWND hwnd, int id, int nc, DWORD add_data)
{
    unsigned char buff [256];
    if (id == IDC_CHAR && nc == EN_CHANGE) {

        GetWindowText (hwnd, buff, 4);
        SendMessage (hwnd, EM_SETCARETPOS, 0, 0);
        SendMessage (GetDlgItem (GetParent (hwnd), IDC_CHARS), MSG_CHAR, buff[0], 0L);
    }
    else if (id == IDC_CHARS && nc == EN_CHANGE) {
        GetWindowText (hwnd, buff, 255);
        printf ("String: %s\n", buff);
    }
}

static int InputCharDialogBoxProc (HWND hDlg, int message, WPARAM wParam, LPARAM lParam)
{
    static PLOGFONT my_font;
    HWND hwnd;

    switch (message) {
    case MSG_INITDIALOG:
        my_font = CreateLogFont (NULL, "Arial", "ISO8859-1",
                        FONT_WEIGHT_REGULAR, FONT_SLANT_ROMAN, FONT_SETWIDTH_NORMAL,
                        FONT_SPACING_CHARCELL, FONT_UNDERLINE_NONE, FONT_STRUCKOUT_NONE,
                        30, 0);
        hwnd = GetDlgItem (hDlg, IDC_CHAR);
        SetNotificationCallback (hwnd, my_notif_proc);
        SetWindowFont (hwnd, my_font);
        SendMessage (hwnd, MSG_KEYDOWN, SCANCODE_INSERT, 0L);
        return 1;

    case MSG_CLOSE:
        EndDialog (hDlg, IDCANCEL);
        break;

    case MSG_COMMAND:
        switch (wParam) {
        case IDOK:
        case IDCANCEL:
            DestroyLogFont (my_font);
            EndDialog (hDlg, wParam);
            break;
        }
        break;
    }

    return DefaultDialogProc (hDlg, message, wParam, lParam);
}

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

#ifdef _LITE_VERSION
    SetDesktopRect(0, 0, 1024, 768);

    if (!InitVectorialFonts ()) {
        printf ("InitVectorialFonts: error.\n");
        return 1;
    }
#endif

    DlgBoxInputChar.controls = CtrlInputChar;
    DialogBoxIndirectParam (&DlgBoxInputChar, HWND_DESKTOP, InputCharDialogBoxProc, 0L);

#ifdef _LITE_VERSION
    TermVectorialFonts ();
#endif
    return 0;
}

#ifndef _LITE_VERSION
#include <minigui/dti.c>
#endif