edit.c

这是一个MiniGUI的开发例子库 具有各种典型控件实现的源代码

/* 
** $Id: edit.c,v 1.10 2004/05/25 10:36:52 yaoyy Exp $
**
** Listing 9.1
**
** edit.c: Sample program for MiniGUI Programming Guide
**             Usage of EDIT control.
**
** Copyright (C) 2003 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, 640, 480, 
    "请键入字母",
    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, 
        "请输入一个字母:",
        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, 
        "确定",
        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);

        hwnd = GetDlgItem (hDlg, IDC_CHARS);
        SetNotificationCallback (hwnd, my_notif_proc);
        SetFocus (hwnd);
        return 0;
        
#if 0
    case MSG_MOUSEMOVE:
        printf ("Mouse move: (%d, %d)\n",  LOSWORD(lParam), HISWORD(lParam));
        break;

    case MSG_LBUTTONDOWN:
        printf ("Mouse left button down\n");
        break;

    case MSG_LBUTTONUP:
        printf ("Mouse left button released\n");
        break;
#endif

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

#define NR_KEYS_MP      10
#define LOOP_THRESHOLD  100

typedef struct _MP_KEYPAD_INFO
{
    unsigned char keys [NR_KEYS_MP];
    unsigned char *candidates [NR_KEYS_MP];
    unsigned int time_last;
    int last_down;
    int cur_candidate;
} MP_KEYPAD_INFO;

static int get_keypad_key (MP_KEYPAD_INFO* keypad_info, unsigned char key)
{
    int i;

    for (i = 0; i < NR_KEYS_MP; i++) {
        if (key == keypad_info->keys [i])
            return i;
    }

    return -1;
}

static int mobile_phone_keypad_hook (void *context, HWND dst_wnd, int msg, WPARAM wparam, LPARAM lparam)
{
    MP_KEYPAD_INFO* keypad_info = (MP_KEYPAD_INFO*) context;

    if (msg == MSG_KEYDOWN || msg == MSG_KEYUP) {
        int down;
        unsigned int cur_time = GetTickCount ();

        down = get_keypad_key (keypad_info, LOBYTE(wparam));
        if (down >= 0) {
            if (msg == MSG_KEYUP)
                return HOOK_STOP;

            if (keypad_info->last_down != down) {
                keypad_info->last_down = down;
                keypad_info->cur_candidate = 0;
                keypad_info->time_last = cur_time;
            }
            else {
                if (cur_time - keypad_info->time_last <= LOOP_THRESHOLD) {
                    keypad_info->time_last = cur_time;
                    keypad_info->cur_candidate ++;
                    if (keypad_info->candidates [down][keypad_info->cur_candidate] == '\0') {
                        keypad_info->cur_candidate = 0;
                    }

                    /* delete the old character. */
                    PostMessage (dst_wnd, MSG_KEYDOWN, SCANCODE_BACKSPACE, 0L);
                    PostMessage (dst_wnd, MSG_KEYUP, SCANCODE_BACKSPACE, 0L);
                }
                else {
                    keypad_info->last_down = down;
                    keypad_info->cur_candidate = 0;
                    keypad_info->time_last = cur_time;
                }
            }
            if (keypad_info->candidates >= 0) {
                PostMessage (dst_wnd, MSG_CHAR, 
                        keypad_info->candidates [down][keypad_info->cur_candidate], 0L);
                return HOOK_STOP;
            }
        }
    }

    return HOOK_GOON;
}

static MP_KEYPAD_INFO mp_keypad_info = {
    {
        SCANCODE_0, SCANCODE_1, SCANCODE_2, SCANCODE_3, SCANCODE_4,
        SCANCODE_5, SCANCODE_6, SCANCODE_7, SCANCODE_8, SCANCODE_9
    },
    {
        "0 ",
        "1.:/",
        "2abc",
        "3def",
        "4ghi",
        "5jkl",
        "6mno",
        "7pqrs",
        "8tuv",
        "9wxyz"
    },
    0, -1, -1
};

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

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

    if (!InitVectorialFonts ()) {
        printf ("InitVectorialFonts: error.\n");
        return 1;
    }
#endif
    RegisterKeyMsgHook (&mp_keypad_info, mobile_phone_keypad_hook);

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

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

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