1 /*
2  * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 /*
27  * Motif-specific data structures for AWT Java objects.
28  *
29  */
30 #ifndef _AWT_P_H_
31 #define _AWT_P_H_
32 
33 /* turn on to do event filtering */
34 #define NEW_EVENT_MODEL
35 /* turn on to only filter keyboard events */
36 #define KEYBOARD_ONLY_EVENTS
37 
38 #include <stdarg.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #ifndef HEADLESS
44 #include <X11/extensions/Xrender.h>
45 #endif /* !HEADLESS */
46 #include "awt.h"
47 #include "awt_util.h"
48 #include "color.h"
49 #include "colordata.h"
50 #include "gdefs.h"
51 
52 #ifndef HEADLESS
53 #ifndef min
54 #define min(a,b) ((a) <= (b)? (a):(b))
55 #endif
56 #ifndef max
57 #define max(a,b) ((a) >= (b)? (a):(b))
58 #endif
59 #endif /* !HEADLESS */
60 
61 #define RepaintPending_NONE     0
62 #define RepaintPending_REPAINT  (1 << 0)
63 #define RepaintPending_EXPOSE   (1 << 1)
64 #define LOOKUPSIZE 32
65 
66 #ifndef HEADLESS
67 
68 typedef XRenderPictFormat *
69 XRenderFindVisualFormatFunc (Display *dpy, _Xconst Visual *visual);
70 
71 typedef struct _AwtGraphicsConfigData  {
72     int         awt_depth;
73     Colormap    awt_cmap;
74     XVisualInfo awt_visInfo;
75     int         awt_num_colors;
76     awtImageData *awtImage;
77     int         (*AwtColorMatch)(int, int, int,
78                                  struct _AwtGraphicsConfigData *);
79     XImage      *monoImage;
80     Pixmap      monoPixmap;      /* Used in X11TextRenderer_md.c */
81     int         monoPixmapWidth; /* Used in X11TextRenderer_md.c */
82     int         monoPixmapHeight;/* Used in X11TextRenderer_md.c */
83     GC          monoPixmapGC;    /* Used in X11TextRenderer_md.c */
84     int         pixelStride;     /* Used in X11SurfaceData.c */
85     ColorData      *color_data;
86     struct _GLXGraphicsConfigInfo *glxInfo;
87     int         isTranslucencySupported; /* Uses Xrender to find this out. */
88     XRenderPictFormat renderPictFormat; /*Used only if translucency supported*/
89 } AwtGraphicsConfigData;
90 
91 typedef AwtGraphicsConfigData* AwtGraphicsConfigDataPtr;
92 
93 typedef struct _AwtScreenData {
94     int numConfigs;
95     Window root;
96     unsigned long whitepixel;
97     unsigned long blackpixel;
98     AwtGraphicsConfigDataPtr defaultConfig;
99     AwtGraphicsConfigDataPtr *configs;
100 } AwtScreenData;
101 
102 typedef AwtScreenData* AwtScreenDataPtr;
103 
104 #define W_GRAVITY_INITIALIZED 1
105 #define W_IS_EMBEDDED 2
106 
107 typedef struct awtFontList {
108     char *xlfd;
109     int index_length;
110     int load;
111     char *charset_name;
112     XFontStruct *xfont;
113 } awtFontList;
114 
115 struct FontData {
116     int charset_num;
117     awtFontList *flist;
118     XFontSet xfs;       /* for TextField & TextArea */
119     XFontStruct *xfont; /* Latin1 font */
120 };
121 
122 extern struct FontData *awtJNI_GetFontData(JNIEnv *env,jobject font, char **errmsg);
123 
124 extern AwtGraphicsConfigDataPtr getDefaultConfig(int screen);
125 extern AwtScreenDataPtr getScreenData(int screen);
126 #endif /* !HEADLESS */
127 
128 /* allocated and initialize a structure */
129 #define ZALLOC(T)       ((struct T *)calloc(1, sizeof(struct T)))
130 
131 #ifndef HEADLESS
132 #define XDISPLAY awt_display;
133 
134 extern int awt_allocate_colors(AwtGraphicsConfigDataPtr);
135 extern void awt_allocate_systemcolors(XColor *, int, AwtGraphicsConfigDataPtr);
136 extern void awt_allocate_systemrgbcolors(jint *, int, AwtGraphicsConfigDataPtr);
137 
138 extern int awtJNI_GetColor(JNIEnv *, jobject);
139 extern int awtJNI_GetColorForVis (JNIEnv *, jobject, AwtGraphicsConfigDataPtr);
140 extern jobject awtJNI_GetColorModel(JNIEnv *, AwtGraphicsConfigDataPtr);
141 extern void awtJNI_CreateColorData (JNIEnv *, AwtGraphicsConfigDataPtr, int lock);
142 
143 #endif /* !HEADLESS */
144 #endif           /* _AWT_P_H_ */
145