//-----------------------------------------------------------------------------
// 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 setting the overall PLC parameters. Mostly this relates to
// timing; to set up the timers we need to know the desired cycle time,
// which is configurable, plus the MCU clock (i.e. crystal frequency).
// Jonathan Westhues, Nov 2004
//-----------------------------------------------------------------------------
#include <linuxUI.h>
#include <stdio.h>
#include <stdlib.h>
//#include <commctrl.h>

#include "ldmicro.h"

// static HWND ConfDialog;

// static HWND CrystalTextbox;
// static HWND CycleTextbox;
// static HWND BaudTextbox;

static LONG_PTR PrevCrystalProc;
static LONG_PTR PrevCycleProc;
static LONG_PTR PrevBaudProc;

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

//     LONG_PTR t;
//     if(hwnd == CrystalTextbox)
//         t = PrevCrystalProc;
//     else if(hwnd == CycleTextbox)
//         t = PrevCycleProc;
//     else if(hwnd == BaudTextbox)
//         t = PrevBaudProc;
//     else
//         oops();

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

// static void MakeControls(void)
// {
//     HWND textLabel = CreateWindowEx(0, WC_STATIC, _("Cycle Time (ms):"),
//         WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
//         5, 13, 145, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(textLabel);

//     CycleTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
//         WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
//         155, 12, 85, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(CycleTextbox);

//     HWND textLabel2 = CreateWindowEx(0, WC_STATIC,
//         _("Crystal Frequency (MHz):"),
//         WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
//         0, 43, 150, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(textLabel2);

//     CrystalTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
//         WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
//         155, 42, 85, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(CrystalTextbox);

//     HWND textLabel3 = CreateWindowEx(0, WC_STATIC, _("UART Baud Rate (bps):"),
//         WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
//         5, 73, 145, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(textLabel3);

//     BaudTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
//         WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
//         155, 72, 85, 21, ConfDialog, NULL, Instance, NULL);
//     NiceFont(BaudTextbox);

//     if(!UartFunctionUsed()) {   
//         EnableWindow(BaudTextbox, FALSE);
//         EnableWindow(textLabel3, FALSE);
//     }

//     if(Prog.mcu && (Prog.mcu->whichIsa == ISA_ANSIC ||
//         Prog.mcu->whichIsa == ISA_INTERPRETED)) 
//     {
//         EnableWindow(CrystalTextbox, FALSE);
//         EnableWindow(textLabel2, FALSE);
//     }

//     OkButton = CreateWindowEx(0, WC_BUTTON, _("OK"),
//         WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_DEFPUSHBUTTON,
//         258, 11, 70, 23, ConfDialog, NULL, Instance, NULL); 
//     NiceFont(OkButton);

//     CancelButton = CreateWindowEx(0, WC_BUTTON, _("Cancel"),
//         WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
//         258, 41, 70, 23, ConfDialog, NULL, Instance, NULL); 
//     NiceFont(CancelButton);

//     char explanation[1024] = "";

//     if(UartFunctionUsed()) {
//         if(Prog.mcu && Prog.mcu->uartNeeds.rxPin != 0) {
//             sprintf(explanation,
//                 _("Serial (UART) will use pins %d and %d.\r\n\r\n"),
//                 Prog.mcu->uartNeeds.rxPin, Prog.mcu->uartNeeds.txPin);
//         } else {
//             strcpy(explanation,
//                 _("Please select a micro with a UART.\r\n\r\n"));
//         }
//     } else {
//         strcpy(explanation, _("No serial instructions (UART Send/UART Receive) "
//             "are in use; add one to program before setting baud rate.\r\n\r\n") 
//         );
//     }

//     strcat(explanation,
//         _("The cycle time for the 'PLC' runtime generated by LDmicro is user-"
//         "configurable. Very short cycle times may not be achievable due "
//         "to processor speed constraints, and very long cycle times may not "
//         "be achievable due to hardware overflows. Cycle times between 10 ms "
//         "and 100 ms will usually be practical.\r\n\r\n"
//         "The compiler must know what speed crystal you are using with the "
//         "micro to convert between timing in clock cycles and timing in "
//         "seconds. A 4 MHz to 20 MHz crystal is typical; check the speed "
//         "grade of the part you are using to determine the maximum allowable "
//         "clock speed before choosing a crystal."));

//     HWND textLabel4 = CreateWindowEx(0, WC_STATIC, explanation,
//         WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE,
//         11, 104, 310, 400, ConfDialog, NULL, Instance, NULL);
//     NiceFont(textLabel4);

//     // Measure the explanation string, so that we know how to size our window
//     RECT tr, cr;
//     HDC hdc = CreateCompatibleDC(NULL);
//     SelectObject(hdc, MyNiceFont);
//     SetRect(&tr, 0, 0, 310, 400);
//     DrawText(hdc, explanation, -1, &tr, DT_CALCRECT |
//                                         DT_LEFT | DT_TOP | DT_WORDBREAK);
//     DeleteDC(hdc);
//     int h = 104 + tr.bottom + 10;
//     SetWindowPos(ConfDialog, NULL, 0, 0, 344, h, SWP_NOMOVE);
//     // h is the desired client height, but SetWindowPos includes title bar;
//     // so fix it up by hand
//     GetClientRect(ConfDialog, &cr);
//     int nh = h + (h - (cr.bottom - cr.top));
//     SetWindowPos(ConfDialog, NULL, 0, 0, 344, nh, SWP_NOMOVE);


//     PrevCycleProc = SetWindowLongPtr(CycleTextbox, GWLP_WNDPROC, 
//         (LONG_PTR)MyNumberProc);

//     PrevCrystalProc = SetWindowLongPtr(CrystalTextbox, GWLP_WNDPROC, 
//         (LONG_PTR)MyNumberProc);

//     PrevBaudProc = SetWindowLongPtr(BaudTextbox, GWLP_WNDPROC, 
//         (LONG_PTR)MyNumberProc);
// }

// void ShowConfDialog(void)
// {
//     // The window's height will be resized later, to fit the explanation text.
//     ConfDialog = CreateWindowClient(0, "LDmicroDialog", _("PLC Configuration"),
//         WS_OVERLAPPED | WS_SYSMENU,
//         100, 100, 0, 0, NULL, NULL, Instance, NULL);

//     MakeControls();
   
//     char buf[16];
//     sprintf(buf, "%.1f", (Prog.cycleTime / 1000.0));
//     SendMessage(CycleTextbox, WM_SETTEXT, 0, (LPARAM)buf);

//     sprintf(buf, "%.6f", Prog.mcuClock / 1e6);
//     SendMessage(CrystalTextbox, WM_SETTEXT, 0, (LPARAM)buf);

//     sprintf(buf, "%d", Prog.baudRate);
//     SendMessage(BaudTextbox, WM_SETTEXT, 0, (LPARAM)buf);

//     EnableWindow(MainWindow, FALSE);
//     ShowWindow(ConfDialog, TRUE);
//     SetFocus(CycleTextbox);

//     MSG msg;
//     DWORD ret;
//     DialogDone = FALSE;
//     DialogCancel = FALSE;
//     while((ret = GetMessage(&msg, NULL, 0, 0)) && !DialogDone) {
//         if(msg.message == WM_KEYDOWN) {
//             if(msg.wParam == VK_RETURN) {
//                 DialogDone = TRUE;
//                 break;
//             } else if(msg.wParam == VK_ESCAPE) {
//                 DialogDone = TRUE;
//                 DialogCancel = TRUE;
//                 break;
//             }
//         }

//         if(IsDialogMessage(ConfDialog, &msg)) continue;
//         TranslateMessage(&msg);
//         DispatchMessage(&msg);
//     }

//     if(!DialogCancel) {
//         char buf[16];
//         SendMessage(CycleTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
//             (LPARAM)(buf));
//         Prog.cycleTime = (int)(1000*atof(buf) + 0.5);
//         if(Prog.cycleTime == 0) {
//             Error(_("Zero cycle time not valid; resetting to 10 ms."));
//             Prog.cycleTime = 10000;
//         }

//         SendMessage(CrystalTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
//             (LPARAM)(buf));
//         Prog.mcuClock = (int)(1e6*atof(buf) + 0.5);

//         SendMessage(BaudTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
//             (LPARAM)(buf));
//         Prog.baudRate = atoi(buf);
//     }

//     EnableWindow(MainWindow, TRUE);
//     DestroyWindow(ConfDialog);
//     return;
// }