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1.1 root 1: /*--------------------- file identification ------------------------*/
2:
3: /*
4: clipshow.c
5:
6: SHOWS THE CURRENT CONTENTS OF THE CLIPBOARD
7:
8: Created by Microsoft Corp., 1988
9:
10:
11: SEE ALSO:
12:
13: the program clipput.exe will put some text on the
14: clipboard when its Copy menu item is chosen.
15:
16:
17: */
18:
19:
20: /*---------------------- include files -----------------------------*/
21: #define INCL_PM
22: #define INCL_DOS
23: #include <os2.h>
24: #include "clipshow.h"
25:
26:
27: /*------------------------------ main ------------------------------*/
28:
29: BOOL main()
30:
31: {
32: /*
33: * local constants
34: */
35: #define USE_DEF_QUEUE_SIZE 0
36:
37: /*
38: * local variables
39: */
40: QMSG qmsg;
41:
42: /*
43: * initialize this application thread's use of the PM
44: */
45: habTheAnchorBlock = WinInitialize (NULL) ;
46:
47: /*
48: * create a message queue for this application thread
49: */
50: hmqTheMessageQueue = WinCreateMsgQueue
51: (habTheAnchorBlock, USE_DEF_QUEUE_SIZE) ;
52: /*
53: * initialize the application
54: */
55: if (!GenericInit())
56: return(FALSE); /* failed loading */
57:
58: hwndOldViewer = WinSetClipbrdViewer(habTheAnchorBlock,hwndClient);
59:
60: /*
61: * run the main event loop
62: */
63: while ( WinGetMsg ( (HAB)NULL, &qmsg, (HWND)NULL, 0, 0 ) )
64: WinDispatchMsg( (HAB)NULL, &qmsg );
65:
66:
67: /*
68: * kill the window
69: */
70: WinDestroyWindow( hwndFrame );
71:
72: /*
73: * PM cleanup
74: */
75: WinDestroyMsgQueue( hmqTheMessageQueue );
76: WinTerminate( habTheAnchorBlock );
77: }
78:
79:
80: /*--------------------- GenericInit -------------------------*/
81: BOOL GenericInit() {
82:
83: ULONG lControlStyle = FCF_TITLEBAR | FCF_SYSMENU |
84: FCF_SIZEBORDER | FCF_MINMAX;
85:
86:
87: if (!WinRegisterClass( habTheAnchorBlock,
88: szClassName,
89: (PFNWP)GenericWndProc,
90: CS_SIZEREDRAW,
91: 0 ))
92: return( FALSE );
93:
94: hwndFrame = WinCreateStdWindow( HWND_DESKTOP,
95: 0L,
96: &lControlStyle,
97: szClassName,
98: szClassName,
99: 0L,
100: NULL,
101: 0,
102: &hwndClient);
103:
104: WinSetWindowPos(hwndFrame, /* window */
105: HWND_TOP, /* window behind */
106: 50, /* x pos */
107: 50, /* y pos */
108: 200, /* x size */
109: 200, /* y size */
110: SWP_ACTIVATE|SWP_SIZE|SWP_MOVE|SWP_SHOW); /* flags */
111:
112:
113:
114: if (!hwndFrame)
115: return(FALSE);
116:
117: return(TRUE);
118: }
119:
120: /*---------------- the main window procedure --------------------------*/
121: MRESULT FAR PASCAL GenericWndProc( hwnd, usMessage, mp1, mp2 )
122: HWND hwnd;
123: USHORT usMessage;
124: MPARAM mp1;
125: MPARAM mp2;
126: {
127: HPS hps;
128: RECTL rect;
129: HBITMAP hbitmap;
130: ULONG hText;
131: PSZ pszText;
132: POINTL ptlDest;
133:
134: switch (usMessage) {
135: case WM_PAINT:
136: hps = WinBeginPaint(hwnd,NULL,&rect);
137: WinFillRect(hps,&rect,CLR_WHITE);
138: WinSendMsg(hwnd,WM_DRAWCLIPBOARD,(MPARAM)0L,(MPARAM)0L);
139: WinEndPaint(hps);
140: return 0L;
141:
142: case WM_DRAWCLIPBOARD:
143:
144: if (! WinOpenClipbrd(habTheAnchorBlock))
145: return 0L;
146:
147: if (hText = WinQueryClipbrdData(habTheAnchorBlock,CF_TEXT))
148: {
149: pszText = MAKEP((SEL)hText,0);
150:
151: hps = WinGetPS(hwnd);
152: WinQueryWindowRect(hwnd,&rect);
153: WinDrawText(hps,
154: 0xFFFF, /* NULL teminated string */
155: pszText, /* the string ?? */
156: &rect, /* where to put it */
157: CLR_BLACK, /* foreground */
158: CLR_WHITE, /* background */
159: DT_CENTER | DT_VCENTER | DT_ERASERECT);
160: WinValidateRect(hwnd,(PRECTL)NULL,FALSE);
161: WinReleasePS(hps);
162: WinCloseClipbrd(habTheAnchorBlock);
163: return 0L;
164: }
165: if (hbitmap = WinQueryClipbrdData(habTheAnchorBlock,CF_BITMAP))
166: {
167: hps = WinGetPS(hwnd);
168: ptlDest.x = ptlDest.y = 0;
169: WinDrawBitmap(hps,
170: hbitmap,
171: (PRECTL)NULL, /* draw entire bitmap */
172: &ptlDest, /* where to put it in dest */
173: CLR_BLACK, /* foreground */
174: CLR_WHITE, /* background */
175: DBM_NORMAL); /* blit flags */
176: WinValidateRect(hwnd,(PRECTL)NULL,FALSE);
177: WinReleasePS(hps);
178: WinCloseClipbrd(habTheAnchorBlock);
179: return 0L;
180: }
181: /*
182: * we fall through to here if none of our formats are
183: * available.
184: */
185: WinCloseClipbrd(habTheAnchorBlock);
186: return 0L;
187:
188:
189: default:
190: return( WinDefWindowProc( hwnd, usMessage, mp1, mp2 ) );
191: }
192: return(0L);
193: }
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