| 1 | /* $Id: oslibdnd.cpp,v 1.1 2003-07-28 11:28:10 sandervl Exp $ */
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| 2 | /*
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| 3 | * Window Drag and Drop functions for OS/2
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| 4 | *
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| 5 | *
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| 6 | * Copyright 2003 Sander van Leeuwen (sandervl@innotek.de)
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 | #define INCL_WIN
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| 13 | #define INCL_WINSTDDRAG
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| 14 | #define INCL_PM
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| 15 | #include <os2wrap.h>
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| 16 | #include <stdlib.h>
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| 17 | #include <string.h>
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| 18 | #include <stdio.h>
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| 19 |
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| 20 | #include <dbglog.h>
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| 21 | #include <winconst.h>
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| 22 | #include <win32api.h>
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| 23 | #include <winuser32.h>
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| 24 |
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| 25 | #include "oslibdnd.h"
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| 26 |
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| 27 | static char *pszFile = NULL;
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| 28 | static HWND hwndTarget = 0;
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| 29 | static PDRAGINFO curDragInfo = NULL;
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| 30 | static char *pszCurDragData = NULL;
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| 31 |
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| 32 | #if 0
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| 33 | FILE *tmpfile;
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| 34 | tmpfile = fopen(pszFile, "wb+");
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| 35 | fwrite(lpszDnDString, 1, strlen(lpszDnDString)+1, tmpfile);
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| 36 | fclose(tmpfile);
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| 37 | #endif
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| 38 | //******************************************************************************
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| 39 | //******************************************************************************
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| 40 | LPVOID OSLibCreateDragStruct(HWND hwndWin32, DWORD x, DWORD y, LPSTR lpszDnDString)
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| 41 | {
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| 42 | PDRAGINFO pdinfo; /* Pointer to DRAGINFO structure */
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| 43 | HWND hwnd; /* Handle of calling (source) window */
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| 44 | BOOL flResult; /* Result indicator */
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| 45 | DRAGITEM ditem; /* DRAGITEM structure */
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| 46 | RECTL rectl;
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| 47 | ULONG ScreenHeight;
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| 48 |
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| 49 | WinQueryWindowRect(HWND_DESKTOP, &rectl);
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| 50 | ScreenHeight = rectl.yTop;
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| 51 |
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| 52 | pdinfo = DrgAllocDraginfo(1); /* Create the DRAGINFO structure */
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| 53 | /* Set the drag item */
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| 54 | if(pdinfo == NULL) {
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| 55 | dprintf(("DrgAllocDraginfo FAILED!!"));
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| 56 | return NULL;
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| 57 | }
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| 58 | pdinfo->usOperation = DO_DEFAULT;
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| 59 | pdinfo->hwndSource = Win32ToOS2Handle(hwndWin32);
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| 60 | pdinfo->xDrop = x;
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| 61 | pdinfo->yDrop = ScreenHeight - y;
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| 62 |
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| 63 | char szDir[CCHMAXPATH*4];
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| 64 |
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| 65 | pszFile = (char *)malloc(CCHMAXPATH+1);
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| 66 | if(pszFile == NULL) {
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| 67 | DebugInt3();
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| 68 | DrgFreeDraginfo(pdinfo);
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| 69 | return NULL;
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| 70 | }
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| 71 |
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| 72 | tmpnam(pszFile);
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| 73 | strcpy(szDir, pszFile);
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| 74 |
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| 75 | char *tmp = strrchr(szDir, '\\');
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| 76 | *tmp = 0;
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| 77 | tmp++;
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| 78 |
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| 79 | dprintf(("temporary file %s", pszFile));
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| 80 |
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| 81 | strcat(szDir, "\\");
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| 82 |
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| 83 | ditem.hwndItem = pdinfo->hwndSource;
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| 84 | ditem.ulItemID = 0;
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| 85 | ditem.hstrType = DrgAddStrHandle(DRT_TEXT);
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| 86 | ditem.hstrRMF = DrgAddStrHandle("<DRM_OS2FILE, DRF_TEXT>");
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| 87 | ditem.hstrContainerName = DrgAddStrHandle(szDir);
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| 88 | ditem.hstrSourceName = 0; //done during rendering
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| 89 | ditem.hstrTargetName = 0;
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| 90 | ditem.cxOffset = 0;
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| 91 | ditem.cyOffset = 0;
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| 92 | ditem.fsControl = 0;
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| 93 | ditem.fsSupportedOps = DO_COPYABLE | DO_MOVEABLE;
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| 94 |
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| 95 | flResult= DrgSetDragitem(pdinfo, &ditem, (ULONG)sizeof(ditem), 0);
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| 96 | if(!flResult) dprintf(("DrgSetDragitem failed for %x", &ditem));
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| 97 |
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| 98 | return pdinfo;
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| 99 | }
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| 100 | //******************************************************************************
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| 101 | //******************************************************************************
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| 102 | void OSLibFreeDragStruct(LPVOID lpDragStruct)
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| 103 | {
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| 104 | PDRAGINFO pdinfo = (PDRAGINFO)lpDragStruct;
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| 105 | BOOL flResult; /* Result indicator */
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| 106 |
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| 107 | flResult = DrgDeleteDraginfoStrHandles(pdinfo);
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| 108 | if(!flResult) dprintf(("DrgDeleteDraginfoStrHandles failed for %x", lpDragStruct));
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| 109 |
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| 110 | flResult = DrgFreeDraginfo(pdinfo);
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| 111 | if(!flResult) dprintf(("DrgFreeDragInfo failed for %x", lpDragStruct));
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| 112 |
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| 113 | return;
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| 114 | }
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| 115 | //******************************************************************************
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| 116 | //******************************************************************************
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| 117 | DWORD OSLibDragOver(LPVOID lpDragStruct, DWORD x, DWORD y)
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| 118 | {
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| 119 | PDRAGINFO pdinfo = (PDRAGINFO)lpDragStruct;
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| 120 | RECTL rectl;
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| 121 | ULONG ScreenHeight, ret;
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| 122 | HWND hwnd;
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| 123 | POINTL pointl;
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| 124 |
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| 125 | WinQueryWindowRect(HWND_DESKTOP, &rectl);
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| 126 | ScreenHeight = rectl.yTop;
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| 127 |
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| 128 | pdinfo->xDrop = x;
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| 129 | pdinfo->yDrop = ScreenHeight - y;
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| 130 |
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| 131 | pointl.x = pdinfo->xDrop;
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| 132 | pointl.y = pdinfo->yDrop;
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| 133 | hwnd = WinWindowFromPoint(HWND_DESKTOP, &pointl, TRUE);
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| 134 | if(hwnd == 0) return DROPEFFECT_NONE_W;
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| 135 |
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| 136 | if(hwnd != hwndTarget) {
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| 137 | OSLibDragLeave(lpDragStruct);
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| 138 | dprintf(("Post DM_DRAGOVER to %x (%x)", OS2ToWin32Handle(hwnd), hwnd));
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| 139 | }
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| 140 | hwndTarget = hwnd;
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| 141 |
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| 142 | ret = (ULONG)WinSendMsg(hwnd, DM_DRAGOVER, (MPARAM)pdinfo, MPFROM2SHORT(pdinfo->xDrop, pdinfo->yDrop));
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| 143 |
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| 144 | if(LOWORD(ret) != DOR_DROP) {
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| 145 | return DROPEFFECT_NONE_W;
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| 146 | }
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| 147 | if(HIWORD(ret) == DO_LINK) {
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| 148 | return DROPEFFECT_LINK_W;
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| 149 | }
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| 150 | if(HIWORD(ret) == DO_MOVE) {
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| 151 | return DROPEFFECT_MOVE_W;
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| 152 | }
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| 153 | return DROPEFFECT_COPY_W;
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| 154 | }
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| 155 | //******************************************************************************
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| 156 | //******************************************************************************
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| 157 | DWORD OSLibDragLeave(LPVOID lpDragStruct)
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| 158 | {
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| 159 | PDRAGINFO pdinfo = (PDRAGINFO)lpDragStruct;
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| 160 | ULONG ret;
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| 161 |
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| 162 | if(hwndTarget) {
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| 163 | dprintf(("Post DM_DRAGLEAVE to %x (%x)", OS2ToWin32Handle(hwndTarget), hwndTarget));
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| 164 | ret = (ULONG)WinSendMsg(hwndTarget, DM_DRAGLEAVE, (MPARAM)pdinfo, 0);
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| 165 | }
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| 166 | return DROPEFFECT_NONE_W;
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| 167 | }
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| 168 | //******************************************************************************
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| 169 | //******************************************************************************
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| 170 | DWORD OSLibDragDrop(LPVOID lpDragStruct, DWORD x, DWORD y, LPSTR lpszDnDString)
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| 171 | {
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| 172 | PDRAGINFO pdinfo = (PDRAGINFO)lpDragStruct;
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| 173 | RECTL rectl;
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| 174 | ULONG ScreenHeight, ret;
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| 175 | HWND hwnd;
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| 176 | POINTL pointl;
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| 177 |
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| 178 | WinQueryWindowRect(HWND_DESKTOP, &rectl);
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| 179 | ScreenHeight = rectl.yTop;
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| 180 |
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| 181 | pdinfo->xDrop = x;
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| 182 | pdinfo->yDrop = ScreenHeight - y;
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| 183 |
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| 184 | pointl.x = pdinfo->xDrop;
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| 185 | pointl.y = pdinfo->yDrop;
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| 186 | hwnd = WinWindowFromPoint(HWND_DESKTOP, &pointl, TRUE);
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| 187 | if(hwnd == 0) return DROPEFFECT_NONE_W;
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| 188 |
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| 189 | hwndTarget = hwnd;
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| 190 | curDragInfo = pdinfo;
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| 191 | pszCurDragData = lpszDnDString;
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| 192 |
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| 193 | dprintf(("dnd data %s", pszCurDragData));
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| 194 |
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| 195 | ret = (ULONG)WinSendMsg(hwnd, DM_DROP, (MPARAM)pdinfo, 0);
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| 196 |
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| 197 | pszCurDragData = NULL;
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| 198 | curDragInfo = NULL;
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| 199 | hwndTarget = 0;
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| 200 | return DROPEFFECT_COPY_W;
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| 201 | }
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| 202 | //******************************************************************************
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| 203 | //******************************************************************************
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| 204 | BOOL OSLibRenderFormat(PDRAGTRANSFER pDragTransfer)
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| 205 | {
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| 206 | PDRAGITEM pDragItem = pDragTransfer->pditem;
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| 207 | int size = 0, ulBytes;
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| 208 | char *tmp;
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| 209 |
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| 210 | #ifdef DEBUG
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| 211 | size = DrgQueryStrNameLen(pDragTransfer->hstrSelectedRMF);
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| 212 | tmp = (char *)malloc(size+2);
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| 213 | if(tmp == NULL) {
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| 214 | DebugInt3();
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| 215 | return FALSE;
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| 216 | }
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| 217 | size = DrgQueryStrName(pDragTransfer->hstrSelectedRMF, size+1, tmp);
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| 218 | dprintf(("Rendering method %s", tmp));
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| 219 | free(tmp);
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| 220 | #endif
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| 221 |
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| 222 | size = DrgQueryStrNameLen(pDragTransfer->hstrRenderToName);
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| 223 | tmp = (char *)malloc(size+2);
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| 224 | if(tmp == NULL) {
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| 225 | DebugInt3();
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| 226 | return FALSE;
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| 227 | }
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| 228 | size = DrgQueryStrName(pDragTransfer->hstrRenderToName, size+1, tmp);
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| 229 |
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| 230 | dprintf(("Render to file %s", tmp));
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| 231 |
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| 232 | dprintf(("dnd data %s", pszCurDragData));
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| 233 |
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| 234 | FILE *tmpfile;
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| 235 | tmpfile = fopen(tmp, "wb+");
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| 236 | fwrite(pszCurDragData, 1, strlen(pszCurDragData), tmpfile);
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| 237 | fclose(tmpfile);
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| 238 |
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| 239 | DrgPostTransferMsg(pDragTransfer->hwndClient, DM_RENDERCOMPLETE, pDragTransfer,
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| 240 | DMFL_RENDEROK, 0, TRUE);
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| 241 |
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| 242 | DrgFreeDragtransfer(pDragTransfer);
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| 243 | free(tmp);
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| 244 | return TRUE;
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| 245 | }
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| 246 | //******************************************************************************
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| 247 | //******************************************************************************
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| 248 | ULONG OSLibEndConversation()
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| 249 | {
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| 250 | return 0;
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| 251 | }
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| 252 | //******************************************************************************
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| 253 | //******************************************************************************
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