config.c

Go to the documentation of this file.

//
//  config.c
//
//  Screensaver Configuration dialog
//
#include <windows.h>
#include <commctrl.h>
#include <tchar.h>
#include "resource.h"
#include "globals.h"
#include "message.h"
#include "matrix.h"
 
// needed for slider-controls
//#pragma comment(lib, "comctl32.lib")
 
//
//  Called once for every font - add to list
//
int CALLBACK EnumFontProc(ENUMLOGFONT *lpelfe, NEWTEXTMETRIC *lpntme, int FontType, LPARAM lParam)
{
    SendMessage((HWND)lParam, CB_ADDSTRING, 0, (LPARAM)lpelfe->elfLogFont.lfFaceName);
    return 1;
}
 
//
// Add every fontname into specified combobox
//
void AddFonts(HWND hwndCombo)
{
    HDC     hdc;
    LOGFONT lf;
 
    lf.lfCharSet        = ANSI_CHARSET;
    lf.lfPitchAndFamily = 0;
    lf.lfFaceName[0]    = _T('\0');
 
    hdc = GetDC(0);
    EnumFontFamiliesEx(hdc, &lf, (FONTENUMPROC)EnumFontProc, (LONG_PTR)hwndCombo, 0);
    ReleaseDC(0, hdc);
}
 
//
//  Redraw preview control with current font/fontsize
//
void UpdatePreview(HWND hwnd)
{
    g_nFontSize = SendDlgItemMessage(hwnd, IDC_SLIDER4, TBM_GETPOS,0, 0);
    SetMessageFont(hwnd, g_szFontName, g_nFontSize, g_fFontBold);
    InvalidateRect(GetDlgItem(hwnd, IDC_PREVIEW), 0, 0);
}
 
//
//  Dialogbox procedure for Configuration window
//
INT_PTR CALLBACK ConfigDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    static TCHAR buf[256];
    HWND    hwndCombo, hwndCtrl;
    int     index, items, val;
    RECT    rect;
    static  int prevwidth, prevheight;
 
    switch(uMsg)
    {
    case WM_INITDIALOG:
 
        prevwidth  = GetSystemMetrics(SM_CXSCREEN) / GLYPH_WIDTH;
        prevheight = GetSystemMetrics(SM_CYSCREEN) / GLYPH_HEIGHT + 1;
 
        //Add any saved messages to the combo box
        for(index = 0; index < g_nNumMessages; index++)
        {
            if(lstrlen(g_szMessages[index]) > 0)
                SendDlgItemMessage(hwnd, IDC_COMBO1, CB_ADDSTRING, 0, (LPARAM)g_szMessages[index]);
        }
 
        //select the first message, and preview it
        SendDlgItemMessage(hwnd, IDC_COMBO1, CB_SETCURSEL, 0, 0);
 
        SendDlgItemMessage(hwnd, IDC_SLIDER1, TBM_SETRANGE, 0, MAKELONG(SPEED_MIN, SPEED_MAX));
        SendDlgItemMessage(hwnd, IDC_SLIDER2, TBM_SETRANGE, 0, MAKELONG(DENSITY_MIN, DENSITY_MAX));
        SendDlgItemMessage(hwnd, IDC_SLIDER3, TBM_SETRANGE, 0, MAKELONG(MSGSPEED_MIN, MSGSPEED_MAX));
        SendDlgItemMessage(hwnd, IDC_SLIDER4, TBM_SETRANGE, 0, MAKELONG(FONT_MIN, FONT_MAX));
 
        //SendDlgItemMessage(hwnd, IDC_SLIDER1, TBM_SETTICFREQ, 5, 0);
        SendDlgItemMessage(hwnd, IDC_SLIDER2, TBM_SETTICFREQ, 5, 0);
        SendDlgItemMessage(hwnd, IDC_SLIDER3, TBM_SETTICFREQ, 50, 0);
        SendDlgItemMessage(hwnd, IDC_SLIDER4, TBM_SETTICFREQ, 2, 0);
 
        SendDlgItemMessage(hwnd, IDC_SLIDER1, TBM_SETPOS, TRUE, g_nMatrixSpeed);
        SendDlgItemMessage(hwnd, IDC_SLIDER2, TBM_SETPOS, TRUE, g_nDensity);
        SendDlgItemMessage(hwnd, IDC_SLIDER3, TBM_SETPOS, TRUE, g_nMessageSpeed);
        SendDlgItemMessage(hwnd, IDC_SLIDER4, TBM_SETPOS, TRUE, g_nFontSize);
 
        CheckDlgButton(hwnd, IDC_RANDOM, g_fRandomizeMessages);
        CheckDlgButton(hwnd, IDC_BOLD, g_fFontBold);
 
        AddFonts(GetDlgItem(hwnd, IDC_COMBO2));
        index = SendDlgItemMessage(hwnd, IDC_COMBO2, CB_FINDSTRING, 0, (LPARAM)g_szFontName);
        SendDlgItemMessage(hwnd, IDC_COMBO2, CB_SETCURSEL, index, 0);
        UpdatePreview(hwnd);
        return 0;
 
    case WM_DESTROY:
        //DeInitMessage();
        return 0;
 
    case WM_CTLCOLORSTATIC:
 
        if(GetDlgCtrlID((HWND)lParam) == IDC_ABOUT)
        {
            SetTextColor((HDC)wParam, RGB(0,80,0));
            SetBkColor((HDC)wParam, GetSysColor(COLOR_3DFACE));
            return (INT_PTR)GetSysColorBrush(COLOR_3DFACE);
        }
        else if(GetDlgCtrlID((HWND)lParam) == IDC_PREVIEW)
        {
            HDC hdc = (HDC)wParam;
            RECT clip;
 
            GetDlgItemText(hwnd, IDC_COMBO1, buf, 256);
 
            GetClientRect((HWND)lParam, &rect);
 
            if(prevwidth < rect.right)
            {
                rect.left = (rect.right-prevwidth) / 2;
                rect.right = rect.left + prevwidth;
            }
            else
            {
                rect.left  = 0;
                rect.right = prevwidth;
            }
 
            if(prevheight < rect.bottom)
            {
                rect.top = (rect.bottom-prevheight) / 2;
                rect.bottom = rect.top + prevheight;
            }
            else
            {
                rect.top = 0;
                rect.bottom = prevheight;
            }
 
            SetTextColor(hdc, RGB(128,255,128));
            SetBkColor(hdc, 0);
 
            //SetRect(&rect, 0, 0, PrevMessage->width, MAXMSG_HEIGHT);
            CopyRect(&clip, &rect);
            FillRect(hdc, &rect, GetStockObject(BLACK_BRUSH));
 
            SelectObject(hdc, g_hFont);
 
            InflateRect(&clip, 2, 2);
 
            FrameRect(hdc, &clip, GetSysColorBrush(COLOR_3DSHADOW));
            IntersectClipRect(hdc, rect.left, rect.top, rect.right, rect.bottom);
 
            // figure out where the bounding rectangle should be
            DrawText(hdc, buf, -1, &rect, DT_CENTER|DT_VCENTER|DT_WORDBREAK|DT_CALCRECT);
            OffsetRect(&rect, (prevwidth-(rect.right-rect.left))/2, (prevheight-(rect.bottom-rect.top))/2);
 
            // now draw it!
            DrawText(hdc, buf, -1, &rect, DT_CENTER|DT_VCENTER|DT_WORDBREAK);
 
 
            return (INT_PTR)GetStockObject(NULL_BRUSH);
        }
        else
        {
            break;
        }
 
    case WM_HSCROLL:
 
        if((HWND)lParam == GetDlgItem(hwnd, IDC_SLIDER4))
        {
            // one of the sliders changed..update
            UpdatePreview(hwnd);
        }
 
        return 0;
 
    case WM_COMMAND:
 
        switch(HIWORD(wParam))
        {
        case CBN_EDITCHANGE:
        case CBN_SELCHANGE:
 
            //fall through to Preview:
            index = SendDlgItemMessage(hwnd, IDC_COMBO2, CB_GETCURSEL, 0, 0);
            SendDlgItemMessage(hwnd, IDC_COMBO2, CB_GETLBTEXT, index, (LPARAM)g_szFontName);
            //SetMessageFont(hwnd, g_szFontName, g_nFontSize, TRUE);
 
            UpdatePreview(hwnd);
            return 0;
        }
 
        switch(LOWORD(wParam))
        {
        case IDC_RANDOM:
            g_fRandomizeMessages = IsDlgButtonChecked(hwnd, IDC_RANDOM);
            break;
 
        case IDC_BOLD:
            g_fFontBold = IsDlgButtonChecked(hwnd, IDC_BOLD);
            UpdatePreview(hwnd);
            break;
 
        case IDOK:
 
            hwndCtrl = GetDlgItem(hwnd, IDC_COMBO1);
 
            items = min(MAX_MESSAGES, SendMessage(hwndCtrl, CB_GETCOUNT, 0, 0));
 
            for(index = 0; index < items; index++)
            {
                SendMessage(hwndCtrl, CB_GETLBTEXT, index, (LPARAM)g_szMessages[index]);
            }
 
            g_nNumMessages = items;
 
            //matrix speed
            val = SendDlgItemMessage(hwnd, IDC_SLIDER1, TBM_GETPOS, 0, 0);
            if(val >= SPEED_MIN && val <= SPEED_MAX)
                g_nMatrixSpeed = val;
 
            //density
            val = SendDlgItemMessage(hwnd, IDC_SLIDER2, TBM_GETPOS, 0, 0);
            if(val >= DENSITY_MIN && val <= DENSITY_MAX)
                g_nDensity = val;
 
            //message speed
            val = SendDlgItemMessage(hwnd, IDC_SLIDER3, TBM_GETPOS, 0, 0);
            if(val >= MSGSPEED_MIN && val <= MSGSPEED_MAX)
                g_nMessageSpeed = val;
 
            //font size
            val = SendDlgItemMessage(hwnd, IDC_SLIDER4, TBM_GETPOS, 0, 0);
            if(val >= FONT_MIN && val <= FONT_MAX)
                g_nFontSize = val;
 
            SaveSettings();
            EndDialog(hwnd, 0);
            return 0;
 
        case IDCANCEL:
            EndDialog(hwnd, 0);
            return TRUE;
 
        case IDC_ADD:
 
            hwndCombo = GetDlgItem(hwnd, IDC_COMBO1);
 
            if(GetWindowText(hwndCombo, buf, 256))
            {
                SendMessage(hwndCombo, CB_ADDSTRING, 0, (LPARAM)buf);
            }
 
            UpdatePreview(hwnd);
 
            return 0;
 
        case IDC_REMOVE:
            hwndCombo = GetDlgItem(hwnd, IDC_COMBO1);
            GetWindowText(hwndCombo, buf, 256);
 
            index = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
            SendMessage(hwndCombo, CB_DELETESTRING, index, 0);
 
            SendMessage(hwndCombo, CB_SETCURSEL, 0, 0);
            UpdatePreview(hwnd);
            return 0;
        }
        return 0;
 
    case WM_CLOSE:
        EndDialog(hwnd, 0);
        return 0;
    }
    return 0;
}
 
//
//  Display the configuration dialog
//
int Configure(HWND hwndParent)
{
    INITCOMMONCONTROLSEX icc;
 
    icc.dwICC  = ICC_UPDOWN_CLASS | ICC_BAR_CLASSES;
    icc.dwSize = sizeof(icc);
 
    InitCommonControlsEx(&icc);
 
#ifdef _DEBUG
    if(hwndParent == NULL)
        hwndParent = 0;
#else
    if(hwndParent == NULL)
        hwndParent = GetForegroundWindow();
#endif
 
    DialogBox(GetModuleHandle(0), MAKEINTRESOURCE(IDD_CONFIG), hwndParent, ConfigDlgProc);
 
    return 0;
}