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_ */