lutdialog.cpp

plc软件的源代码 支持PIC ATMEGA单片机

//-----------------------------------------------------------------------------
// Copyright 2007 Jonathan Westhues
//
// This file is part of LDmicro.
// 
// LDmicro 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 3 of the License, or
// (at your option) any later version.
// 
// LDmicro 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 LDmicro.  If not, see <http://www.gnu.org/licenses/>.
//------
//
// Dialog for entering the elements of a look-up table. I allow two formats:
// as a simple list of integer values, or like a string. The lookup table
// can either be a straight LUT, or one with piecewise linear interpolation
// in between the points.
// Jonathan Westhues, Dec 2005
//-----------------------------------------------------------------------------
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <commctrl.h>

#include "ldmicro.h"

static HWND LutDialog;

static HWND AsStringCheckbox;
static HWND CountTextbox;
static HWND DestTextbox;
static HWND IndexTextbox;
static HWND Labels[3];

static HWND StringTextbox;

static BOOL WasAsString;
static int WasCount;

static HWND ValuesTextbox[MAX_LOOK_UP_TABLE_LEN];
static LONG_PTR PrevValuesProc[MAX_LOOK_UP_TABLE_LEN];
static HWND ValuesLabel[MAX_LOOK_UP_TABLE_LEN];

static SWORD ValuesCache[MAX_LOOK_UP_TABLE_LEN];

static LONG_PTR PrevDestProc;
static LONG_PTR PrevIndexProc;
static LONG_PTR PrevCountProc;

//-----------------------------------------------------------------------------
// Don't allow any characters other than 0-9 and minus in the values.
//-----------------------------------------------------------------------------
static LRESULT CALLBACK MyNumberProc(HWND hwnd, UINT msg, WPARAM wParam,
    LPARAM lParam)
{
    if(msg == WM_CHAR) {
        if(!(isdigit(wParam) || wParam == '\b' || wParam == '-')) {
            return 0;
        }
    }
    
    WNDPROC w;
    int i;
    for(i = 0; i < MAX_LOOK_UP_TABLE_LEN; i++) {
        if(hwnd == ValuesTextbox[i]) {
            w = (WNDPROC)PrevValuesProc[i];
            break;
        }
    }
    if(i == MAX_LOOK_UP_TABLE_LEN) oops();

    return CallWindowProc(w, hwnd, msg, wParam, lParam);
}

//-----------------------------------------------------------------------------
// Don't allow any characters other than 0-9 in the count.
//-----------------------------------------------------------------------------
static LRESULT CALLBACK MyDigitsProc(HWND hwnd, UINT msg, WPARAM wParam,
    LPARAM lParam)
{
    if(msg == WM_CHAR) {
        if(!(isdigit(wParam) || wParam == '\b')) {
            return 0;
        }
    }

    return CallWindowProc((WNDPROC)PrevCountProc, hwnd, msg, wParam, lParam);
}

//-----------------------------------------------------------------------------
// Don't allow any characters other than A-Za-z0-9_ in the name.
//-----------------------------------------------------------------------------
static LRESULT CALLBACK MyNameProc(HWND hwnd, UINT msg, WPARAM wParam,
    LPARAM lParam)
{
    if(msg == WM_CHAR) {
        if(!(isalpha(wParam) || isdigit(wParam) || wParam == '_' ||
            wParam == '\b'))
        {
            return 0;
        }
    }

    WNDPROC w;
    if(hwnd == DestTextbox) {
        w = (WNDPROC)PrevDestProc;
    } else if(hwnd == IndexTextbox) {
        w = (WNDPROC)PrevIndexProc;
    }
    return CallWindowProc(w, hwnd, msg, wParam, lParam);
}

//-----------------------------------------------------------------------------
// Make the controls that are guaranteed not to move around as the count/
// as string settings change. This is different for the piecewise linear,
// because in that case we should not provide a checkbox to change whether
// the table is edited as a string or table.
//-----------------------------------------------------------------------------
static void MakeFixedControls(BOOL forPwl)
{
    Labels[0] = CreateWindowEx(0, WC_STATIC, _("Destination:"),
        WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
        10, 10, 68, 21, LutDialog, NULL, Instance, NULL);
    NiceFont(Labels[0]);

    DestTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
        WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
        85, 10, 120, 21, LutDialog, NULL, Instance, NULL);
    FixedFont(DestTextbox);

    Labels[1] = CreateWindowEx(0, WC_STATIC, _("Index:"),
        WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
        10, 40, 68, 21, LutDialog, NULL, Instance, NULL);
    NiceFont(Labels[1]);

    IndexTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
        WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
        85, 40, 120, 21, LutDialog, NULL, Instance, NULL);
    FixedFont(IndexTextbox);

    Labels[2] = CreateWindowEx(0,WC_STATIC, forPwl ? _("Points:") : _("Count:"),
        WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
        0, 70, 78, 21, LutDialog, NULL, Instance, NULL);
    NiceFont(Labels[2]);

    CountTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
        WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
        85, 70, 120, 21, LutDialog, NULL, Instance, NULL);
    NiceFont(CountTextbox);

    if(!forPwl) {
        AsStringCheckbox = CreateWindowEx(0, WC_BUTTON, 
            _("Edit table of ASCII values like a string"), WS_CHILD |
                WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_AUTOCHECKBOX,
            10, 100, 300, 21, LutDialog, NULL, Instance, NULL);
        NiceFont(AsStringCheckbox);
    }

    OkButton = CreateWindowEx(0, WC_BUTTON, _("OK"),
        WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_DEFPUSHBUTTON,
        231, 10, 70, 23, LutDialog, NULL, Instance, NULL); 
    NiceFont(OkButton);

    CancelButton = CreateWindowEx(0, WC_BUTTON, _("Cancel"),
        WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
        231, 40, 70, 23, LutDialog, NULL, Instance, NULL); 
    NiceFont(CancelButton);

    PrevDestProc = SetWindowLongPtr(DestTextbox, GWLP_WNDPROC, 
        (LONG_PTR)MyNameProc);
    PrevIndexProc = SetWindowLongPtr(IndexTextbox, GWLP_WNDPROC, 
        (LONG_PTR)MyNameProc);
    PrevCountProc = SetWindowLongPtr(CountTextbox, GWLP_WNDPROC, 
        (LONG_PTR)MyDigitsProc);
}

//-----------------------------------------------------------------------------
// Destroy all of the controls so that we can start anew. This is necessary
// because if the size of the LUT changes, or if the user switches from 
// table entry to string entry, we must completely reconfigure the dialog.
//-----------------------------------------------------------------------------
static void DestroyLutControls(void)
{
    if(WasAsString) {
        // Nothing to do; we constantly update the cache from the user-
        // specified string, because we might as well do that when we
        // calculate the length.
    } else {
        int i;
        for(i = 0; i < WasCount; i++) {
            char buf[20];
            SendMessage(ValuesTextbox[i], WM_GETTEXT, (WPARAM)16, (LPARAM)buf);
            ValuesCache[i] = atoi(buf);
        }
    }

    DestroyWindow(StringTextbox);

    int i;
    for(i = 0; i < MAX_LOOK_UP_TABLE_LEN; i++) {
        DestroyWindow(ValuesTextbox[i]);
        DestroyWindow(ValuesLabel[i]);
    }
}

//-----------------------------------------------------------------------------
// Make the controls that hold the LUT. The exact configuration of the dialog
// will depend on (a) whether the user chose table-type or string-type entry,
// and for table-type entry, on (b) the number of entries, and on (c)
// whether we are editing a PWL table (list of points) or a straight LUT.
//-----------------------------------------------------------------------------
static void MakeLutControls(BOOL asString, int count, BOOL forPwl)
{
    // Remember these, so that we know from where to cache stuff if we have
    // to destroy these textboxes and make something new later.
    WasAsString = asString;
    WasCount = count;

    if(forPwl && asString) oops();

    if(asString) {
        char str[3*MAX_LOOK_UP_TABLE_LEN+1];
        int i, j;
        j = 0;
        for(i = 0; i < count; i++) {
            int c = ValuesCache[i];
            if(c >= 32 && c <= 127 && c != '\\') {
                str[j++] = c;
            } else if(c == '\\') {
                str[j++] = '\\';
                str[j++] = '\\';
            } else if(c == '\r') {
                str[j++] = '\\';
                str[j++] = 'r';
            } else if(c == '\b') {
                str[j++] = '\\';
                str[j++] = 'b';
            } else if(c == '\f') {
                str[j++] = '\\';
                str[j++] = 'f';
            } else if(c == '\n') {
                str[j++] = '\\';
                str[j++] = 'n';
            } else {
                str[j++] = 'X';
            }
        }
        str[j++] = '\0';
        StringTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, str,
            WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | 
                WS_VISIBLE,
            10, 130, 294, 21, LutDialog, NULL, Instance, NULL);
        FixedFont(StringTextbox);
        SendMessage(CountTextbox, EM_SETREADONLY, (WPARAM)TRUE, 0);
        MoveWindow(LutDialog, 100, 30, 320, 185, TRUE);
    } else {
        int i;
        int base;
        if(forPwl) {
            base = 100;
        } else {
            base = 140;
        }
        for(i = 0; i < count; i++) {
            int x, y;

            if(i < 16) {
                x = 10;
                y = base+30*i;
            } else {
                x = 160;
                y = base+30*(i-16);
            }

            char buf[20];
            sprintf(buf, "%d", ValuesCache[i]);
            ValuesTextbox[i] = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, buf,