1 /*------------------------------------------------------------\
2 |                                                             |
3 | This file is part of the Alliance CAD System Copyright      |
4 | (C) Laboratoire LIP6 - D�partement ASIM Universite P&M Curie|
5 |                                                             |
6 | Home page      : http://www-asim.lip6.fr/alliance/          |
7 | E-mail         : mailto:alliance-users@asim.lip6.fr       |
8 |                                                             |
9 | This progam is  free software; you can redistribute it      |
10 | and/or modify it under the  terms of the GNU General Public |
11 | License as  published by the Free Software Foundation;      |
12 | either version 2 of the License, or (at your option) any    |
13 | later version.                                              |
14 |                                                             |
15 | Alliance VLSI  CAD System  is distributed  in the hope that |
16 | it  will be useful, but WITHOUT  ANY WARRANTY;              |
17 | without even the  implied warranty of MERCHANTABILITY or    |
18 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General       |
19 | Public License for more details.                            |
20 |                                                             |
21 | You should have received a copy  of the GNU General Public  |
22 | License along with the GNU C Library; see the file COPYING. |
23 | If not, write to the Free Software Foundation, Inc.,        |
24 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.                     |
25 |                                                             |
26 \------------------------------------------------------------*/
27 
28 /*------------------------------------------------------------\
29 |                                                             |
30 | Tool    :                   GRAAL                           |
31 |                                                             |
32 | File    :                  cursor.c                         |
33 |                                                             |
34 | Author  :                Jacomme Ludovic                    |
35 |                                                             |
36 | Date    :                  28.03.95                         |
37 |                                                             |
38 \------------------------------------------------------------*/
39 
40 /*------------------------------------------------------------\
41 |                                                             |
42 |                         Include Files                       |
43 |                                                             |
44 \------------------------------------------------------------*/
45 
46 # include <stdio.h>
47 # include <X11/cursorfont.h>
48 # include <X11/Intrinsic.h>
49 # include <Xm/Xm.h>
50 # include "mut.h"
51 # include "rds.h"
52 # include "GTB.h"
53 # include "GTB_cursor.h"
54 
55 /*------------------------------------------------------------\
56 |                                                             |
57 |                           Constants                         |
58 |                                                             |
59 \------------------------------------------------------------*/
60 /*------------------------------------------------------------\
61 |                                                             |
62 |                            Types                            |
63 |                                                             |
64 \------------------------------------------------------------*/
65 /*------------------------------------------------------------\
66 |                                                             |
67 |                          Variables                          |
68 |                                                             |
69 \------------------------------------------------------------*/
70 
71   static GraalMouseCursor GraalMouseCursorArray [ GRAAL_MAX_CURSOR ] =
72 
73          {
74            { XC_left_ptr      , True  },
75            { XC_watch         , True  },
76            { XC_pirate        , True  },
77            { XC_cross_reverse , True  },
78            { 0                , True  }
79          };
80 
81   static char  GraalCursorMaskOr [ 8 ] =
82 
83   {
84     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
85   };
86 
87   static char  GraalCursorMaskAnd [ 8 ] =
88 
89   {
90     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
91   };
92 
93 /*------------------------------------------------------------\
94 |                                                             |
95 |                          Functions                          |
96 |                                                             |
97 \------------------------------------------------------------*/
98 /*------------------------------------------------------------\
99 |                                                             |
100 |                      GraalSetMouseCursor                    |
101 |                                                             |
102 \------------------------------------------------------------*/
103 
GraalSetMouseCursor(MainWidget,CursorType)104 void GraalSetMouseCursor( MainWidget, CursorType )
105 
106      Widget MainWidget;
107      char   CursorType;
108 {
109   Display          *DisplayId;
110   Window            MainWindow;
111   XColor            White;
112   XColor            Black;
113   XColor            ForgetIt;
114   Colormap          ColorMap;
115   Pixmap            MaskOr;
116   Pixmap            MaskAnd;
117   Cursor            Type;
118   Cursor            NewCursor;
119 
120   rdsbegin();
121 
122   DisplayId  = XtDisplay( MainWidget );
123   MainWindow = XtWindow( MainWidget  );
124 
125   Type = GraalMouseCursorArray[ (int)CursorType ].CURSOR;
126 
127   if ( GraalMouseCursorArray[ (int)CursorType ].MAKE == True )
128   {
129     if ( Type != 0 )
130     {
131       NewCursor = XCreateFontCursor( DisplayId, Type );
132     }
133     else
134     {
135       ColorMap = DefaultColormapOfScreen ( XtScreen( MainWidget ) );
136 
137       XAllocNamedColor( DisplayId, ColorMap, "black", &Black, &ForgetIt );
138       XAllocNamedColor( DisplayId, ColorMap, "white", &White, &ForgetIt );
139 
140       MaskOr =
141 
142         XCreatePixmapFromBitmapData( DisplayId,
143                                      MainWindow,
144                                      GraalCursorMaskOr,
145                                      8, 8,
146                                      Black.pixel,
147                                      White.pixel, 1 );
148 
149       MaskAnd =
150 
151         XCreatePixmapFromBitmapData( DisplayId,
152                                      MainWindow,
153                                      GraalCursorMaskAnd,
154                                      8, 8,
155                                      Black.pixel,
156                                      White.pixel, 1 );
157 
158       NewCursor = XCreatePixmapCursor( DisplayId,
159                                        MaskAnd, MaskOr,
160                                        &Black, &White, 0, 0 );
161     }
162 
163     GraalMouseCursorArray[ (int)CursorType ].CURSOR = NewCursor;
164     GraalMouseCursorArray[ (int)CursorType ].MAKE   = False;
165 
166     Type = NewCursor;
167   }
168 
169   XDefineCursor( DisplayId, MainWindow, Type );
170 
171   XmUpdateDisplay( MainWidget );
172 
173   rdsend();
174 }
175