Subversion Repositories filter_foundry

/*

    This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop

    Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au

    This program 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 2 of the License, or

    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

/* Win32 user interface routines */

#include "world.h"

#include "PIAbout.h"

#include <windows.h>

#include <commctrl.h>

#include "ff.h"

#include "version.h"

HWND preview_hwnd;

HCURSOR hCurHandOpen;

HCURSOR hCurHandGrab;

extern HANDLE hDllInstance;

void DoAbout(AboutRecordPtr pb){

        char s[0x200];

        int n;

        PlatformData *p = (PlatformData*)pb->platformData;

        n = sprintf(s, "Filter Foundry " VERSION_STR "\n"

                                   "(C) 2003-9 Toby Thain <toby@telegraphics.com.au>\n\n");

        if(gdata && gdata->standalone)

                sprintf(s+n, "Standalone filter:\n%s by %s.\n%s",

                        INPLACEP2CSTR(gdata->parm.title),

                        INPLACEP2CSTR(gdata->parm.author),

                        INPLACEP2CSTR(gdata->parm.copyright));

        else

                strcat(s,

"Latest version available from http://www.telegraphics.com.au/sw/\n\

Please contact the author with any bug reports, suggestions or comments.\n\

If you use this program and like it, please consider making a donation\n\

through www.paypal.com (US$5 suggested) to the address above.");

        MessageBox((HWND)p->hwnd, s, "About Filter Foundry", MB_APPLMODAL|MB_ICONINFORMATION|MB_OK);

}

Boolean simplealert(char *s){

        return MessageBox(NULL,s,"Filter Foundry",MB_APPLMODAL|MB_ICONERROR|MB_OK) == IDOK;

}

INT_PTR CALLBACK maindlgproc(HWND hDlg, UINT wMsg, WPARAM wParam, LPARAM lParam);

INT_PTR CALLBACK maindlgproc(HWND hDlg, UINT wMsg, WPARAM wParam, LPARAM lParam){

        static POINT origpos;

        static Point origscroll;

        static Boolean panning = false;

        int item,i;

        POINT newpos;

        DRAWITEMSTRUCT *pdi;

        Point newscroll;

        HFONT hfnt;

        char s[0x100];

        extern Boolean doupdates;

        extern Handle preview_handle;

        switch(wMsg){

        case WM_INITDIALOG:

                gdata->hWndMainDlg = hDlg;

                if(gdata->standalone){

                        myp2cstrcpy(s,gdata->parm.title);

                        SetWindowText(hDlg,s); // window title bar

                }

                centre_window(hDlg);

                // see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/fontext_3pbo.asp

                hfnt = GetStockObject(ANSI_FIXED_FONT);

                hCurHandOpen = LoadCursor(hDllInstance, MAKEINTRESOURCE(IDC_FF_HAND_OPEN));

                hCurHandGrab = LoadCursor(hDllInstance, MAKEINTRESOURCE(IDC_FF_HAND_GRAB));

                preview_hwnd = GetDlgItem(hDlg, PREVIEWITEM);

                GetClientRect(preview_hwnd, &preview_rect);

                SetClassLongPtr(preview_hwnd, GCLP_HCURSOR, (LONG_PTR)hCurHandOpen);

                for(i = 0; i < 8; ++i){

                        SendDlgItemMessage(hDlg,FIRSTCTLITEM+i,         TBM_SETRANGE,TRUE,MAKELONG(0,255));

                        SendDlgItemMessage(hDlg,FIRSTCTLITEM+i,         TBM_SETTICFREQ,SLIDERPAGE,0);

                        SendDlgItemMessage(hDlg,FIRSTCTLITEM+i,         TBM_SETPAGESIZE,0,SLIDERPAGE);

                        SendDlgItemMessage(hDlg,FIRSTCTLTEXTITEM+i,     EM_SETLIMITTEXT,3,0);

                }

                for(i = 0; i < 4; ++i){

                        SendDlgItemMessage(hDlg,FIRSTEXPRITEM+i,        EM_SETLIMITTEXT,MAXEXPR-1,0); // we need 1 byte as NUL terminator, so our formula can be max 1023

                        SendDlgItemMessage(hDlg,FIRSTEXPRITEM+i,        WM_SETFONT,(WPARAM)hfnt,false);

                }

                maindlginit(hDlg);

                break;

        case WM_DESTROY:

                gdata->hWndMainDlg = 0;

                DestroyCursor(hCurHandOpen);

                DestroyCursor(hCurHandGrab);

                break;

        case WM_DRAWITEM:

                pdi = (DRAWITEMSTRUCT*)lParam;

                if(pdi->itemAction == ODA_DRAWENTIRE){

                        switch(pdi->CtlID){

                        case PREVIEWITEM:

                                drawpreview(hDlg,pdi->hDC,PILOCKHANDLE(preview_handle,false));

                                PIUNLOCKHANDLE(preview_handle);

                                break;

                        default:

                                return false;

                        }

                }else

                        return false; // we couldn't handle the message

                break;

        case WM_COMMAND:

                item = LOWORD(wParam);

                switch(HIWORD(wParam)){

                case BN_CLICKED: //case STN_CLICKED:

                        if(item==PREVIEWITEM && GetCursorPos(&origpos)){

                                panning = true;

                                origscroll = preview_scroll;

                                SetCursor(hCurHandGrab);

                                SetCapture(hDlg);

                                break;

                        }

                case EN_CHANGE:

                        if(doupdates && !maindlgitem(hDlg,item))

                                EndDialog(hDlg,item);

                }

                break;

//      case WM_LBUTTONDOWN: break;

        case WM_MOUSEMOVE:

                if(panning && GetCursorPos(&newpos)){

                        newscroll.h = origscroll.h - zoomfactor*(newpos.x - origpos.x);

                        newscroll.v = origscroll.v - zoomfactor*(newpos.y - origpos.y);

                        if( newscroll.h != preview_scroll.h || newscroll.v != preview_scroll.v ){

                                preview_scroll = newscroll;

                                recalc_preview(gpb,hDlg);

                        }

                }

                break;

        case WM_LBUTTONUP:

                ReleaseCapture();

                panning = false;

                break;

        case WM_HSCROLL:

                item = GetDlgCtrlID((HWND)lParam);

                if(doupdates && item>=FIRSTCTLITEM && item<=FIRSTCTLITEM+7)

                        slidermoved(hDlg,item);

                break;

        default:

                return false;

        }

        return true;

}

Boolean maindialog(FilterRecordPtr pb){

        PlatformData *p;

        // For the preview image, we register a class, so that we can assign a mouse cursor to this class.

        WNDCLASSEX clx;

        clx.cbSize = sizeof(WNDCLASSEX);

        GetClassInfoEx(hDllInstance, "Static", &clx);

        clx.lpszClassName = "Preview";

        RegisterClassEx(&clx);

        // Now show the dialog

        p = pb->platformData;

        return DialogBoxParam(hDllInstance,MAKEINTRESOURCE(gdata->standalone ? ID_PARAMDLG : ID_MAINDLG),

                                                  (HWND)p->hwnd,maindlgproc,0) == IDOK;

}