libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c

   1 /* gtktoolkit.c -- Native portion of GtkToolkit
   2    Copyright (C) 1998, 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 #include "gtkpeer.h"
  40 #include "gnu_java_awt_peer_gtk_GtkToolkit.h"
  41
  42 static jint gdk_color_to_java_color (GdkColor color);
  43
  44 JNIEXPORT void JNICALL
  45 Java_gnu_java_awt_peer_gtk_GtkToolkit_beep
  46   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
  47 {
  48   gdk_threads_enter ();
  49   gdk_beep ();
  50   gdk_threads_leave ();
  51 }
  52
  53 JNIEXPORT void JNICALL
  54 Java_gnu_java_awt_peer_gtk_GtkToolkit_sync
  55   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
  56 {
  57   gdk_threads_enter ();
  58   gdk_flush ();
  59   gdk_threads_leave ();
  60 }
  61
  62 JNIEXPORT void JNICALL
  63 Java_gnu_java_awt_peer_gtk_GtkToolkit_getScreenSizeDimensions
  64   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
  65    jintArray jdims)
  66 {
  67   jint *dims = (*env)->GetIntArrayElements (env, jdims, 0);
  68
  69   gdk_threads_enter ();
  70
  71   dims[0] = gdk_screen_width ();
  72   dims[1] = gdk_screen_height ();
  73
  74   gdk_threads_leave ();
  75
  76   (*env)->ReleaseIntArrayElements(env, jdims, dims, 0);
  77 }
  78
  79 JNIEXPORT jint JNICALL
  80 Java_gnu_java_awt_peer_gtk_GtkToolkit_getScreenResolution
  81   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
  82 {
  83   jint res;
  84
  85   gdk_threads_enter ();
  86
  87   res = gdk_screen_width () / (gdk_screen_width_mm () / 25.4);
  88
  89   gdk_threads_leave ();
  90   return res;
  91 }
  92
  93 #define CONVERT(type, state) \
  94   gdk_color_to_java_color (style->type[GTK_STATE_ ## state])
  95
  96 JNIEXPORT void JNICALL
  97 Java_gnu_java_awt_peer_gtk_GtkToolkit_loadSystemColors
  98   (JNIEnv *env, jobject obj __attribute__((unused)),
  99    jintArray jcolors)
 100 {
 101   jint *colors;
 102   GtkStyle *style;
 103
 104   colors = (*env)->GetIntArrayElements (env, jcolors, 0);
 105
 106   gdk_threads_enter ();
 107
 108   style = gtk_widget_get_default_style ();
 109
 110   colors[AWT_DESKTOP]                 = CONVERT (bg, SELECTED);
 111   colors[AWT_ACTIVE_CAPTION]          = CONVERT (bg, SELECTED);
 112   colors[AWT_ACTIVE_CAPTION_TEXT]     = CONVERT (text, SELECTED);
 113   colors[AWT_ACTIVE_CAPTION_BORDER]   = CONVERT (fg, NORMAL);
 114   colors[AWT_INACTIVE_CAPTION]        = CONVERT (base, INSENSITIVE);
 115   colors[AWT_INACTIVE_CAPTION_TEXT]   = CONVERT (fg, INSENSITIVE);
 116   colors[AWT_INACTIVE_CAPTION_BORDER] = CONVERT (fg, INSENSITIVE);
 117   colors[AWT_WINDOW]                  = CONVERT (bg, NORMAL);
 118   colors[AWT_WINDOW_BORDER]           = CONVERT (fg, NORMAL);
 119   colors[AWT_WINDOW_TEXT]             = CONVERT (fg, NORMAL);
 120   colors[AWT_MENU]                    = CONVERT (bg, NORMAL);
 121   colors[AWT_MENU_TEXT]               = CONVERT (fg, NORMAL);
 122   colors[AWT_TEXT]                    = CONVERT (bg, NORMAL);
 123   colors[AWT_TEXT_TEXT]               = CONVERT (fg, NORMAL);
 124   colors[AWT_TEXT_HIGHLIGHT]          = CONVERT (bg, SELECTED);
 125   colors[AWT_TEXT_HIGHLIGHT_TEXT]     = CONVERT (fg, SELECTED);
 126   colors[AWT_TEXT_INACTIVE_TEXT]      = CONVERT (bg, INSENSITIVE);
 127   colors[AWT_CONTROL]                 = CONVERT (bg, NORMAL);
 128   colors[AWT_CONTROL_TEXT]            = CONVERT (fg, NORMAL);
 129   colors[AWT_CONTROL_HIGHLIGHT]       = CONVERT (base, ACTIVE);
 130   colors[AWT_CONTROL_LT_HIGHLIGHT]    = CONVERT (bg, PRELIGHT);
 131   colors[AWT_CONTROL_SHADOW]          = CONVERT (bg, ACTIVE);
 132   colors[AWT_CONTROL_DK_SHADOW]       = CONVERT (fg, INSENSITIVE);
 133   colors[AWT_SCROLLBAR]               = CONVERT (base, INSENSITIVE);
 134   colors[AWT_INFO]                    = CONVERT (bg, NORMAL);
 135   colors[AWT_INFO_TEXT]               = CONVERT (fg, NORMAL);
 136
 137   gdk_threads_leave ();
 138
 139   (*env)->ReleaseIntArrayElements(env, jcolors, colors, 0);
 140 }
 141
 142 #undef CONVERT
 143
 144 static jint
 145 gdk_color_to_java_color (GdkColor gdk_color)
 146 {
 147   guchar red;
 148   guchar green;
 149   guchar blue;
 150   float factor;
 151
 152   factor = 255.0 / 65535.0;
 153
 154   red   = (float) gdk_color.red   * factor;
 155   green = (float) gdk_color.green * factor;
 156   blue  = (float) gdk_color.blue  * factor;
 157
 158   return (jint) (0xff000000 | (red << 16) | (green << 8) | blue);
 159 }