361 lines
10 KiB
C
361 lines
10 KiB
C
/* gtkpeer.h -- Some global variables and #defines
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Copyright (C) 1998, 1999, 2004, 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include <cairo.h>
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#include <gtk/gtk.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <config.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <jni.h>
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#ifndef __GTKPEER_H__
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#define __GTKPEER_H__
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#ifndef __GNUC__
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#define __attribute__(x) /* nothing */
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#endif
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/**
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* Initializes the IDs of the Pointer* classes.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_pointer_IDs(JNIEnv* env);
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/**
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* Initializes the field IDs for the widget reference.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_widget_IDs(JNIEnv *env);
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/**
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* Stores the GTK widget reference in the GtkComponentPeer object.
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*
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* @param env the JNI environment
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* @param peer the actual peer object
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* @param widget the widget reference to store
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*/
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void gtkpeer_set_widget(JNIEnv *env, jobject peer, void *widget);
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/**
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* Retrieves the GTK widget reference from a GtkComponentPeer object.
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*
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* @param env the JNI environment
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* @param peer the actual peer object
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*
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* @return the widget reference
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*/
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void* gtkpeer_get_widget(JNIEnv *env, jobject peer);
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/**
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* Stores the global JNI reference of a peer inside the peer.
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*
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* @param env the JNI environment
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* @param peer the peer object
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*/
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void gtkpeer_set_global_ref(JNIEnv *env, jobject peer);
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/**
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* Retrieves the global reference from a peer.
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*
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* @param env the JNI environment
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* @param peer the peer object
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*
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* @return the global reference
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*/
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void* gtkpeer_get_global_ref(JNIEnv *env, jobject peer);
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/**
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* Deletes the global reference of a peer. This is necessary in order to
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* allow the peer to be garbage collected.
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*
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* @param env the JNI environment
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* @param peer the peer object.
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*/
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void gtkpeer_del_global_ref(JNIEnv* env, jobject peer);
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/**
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* Initializes the fieldIDs for the display and screen fields.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_display_IDs(JNIEnv* env);
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/**
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* Sets the native display pointer in the GdkGraphicsEnvironment object.
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*
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* @param env the JNI environment
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* @param graphicsenv the GdkGraphicsEnvironment object
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* @param display the native display pointer
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*/
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void gtkpeer_set_display(JNIEnv* env, jobject graphicsenv, void* display);
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/**
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* Fetches the native display pointer from the GdkGraphicsEnvironment object.
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*
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* @param env the JNI environment
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* @param graphicsenv the GdkGraphicsEnvironment object
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*
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* @return the native display pointer
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*/
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void* gtkpeer_get_display(JNIEnv* env, jobject graphicsenv);
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/**
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* Initializes the fieldIDs for the screen field.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_screen_IDs(JNIEnv* env);
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/**
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* Sets the native screen in the GdkScreenGraphicsDevice object.
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*
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* @param env the JNI environment
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* @param screen_graphics_device the GdkScreenGraphicsDevice object
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* @param ptr the native screen pointer
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*/
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void gtkpeer_set_screen(JNIEnv* env, jobject screen_graphics_device,
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void* ptr);
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/**
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* Fetches the native screen pointer from the GdkScreenGraphicsDevice object.
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*
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* @param env the JNI environment
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* @param screen_graphics_device the GdkScreenGraphicsDevice object
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*
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* @return the native screen pointer
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*/
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void* gtkpeer_get_screen(JNIEnv* env, jobject screen_graphics_device);
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/**
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* Initializes the field IDs for fonts.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_font_IDs(JNIEnv* env);
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/**
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* Sets the native font in the nativeFont field in GdkFontPeer.
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*
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* @param env the JNI environment
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* @param font_peer the font peer object
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* @param font the actual native font reference
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*/
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void gtkpeer_set_font(JNIEnv* env, jobject font_peer, void* font);
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/**
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* Fetches the native font reference from the GdkFontPeer object.
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*
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* @param env the JNI environment
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* @param font_peer the font peer object
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*
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* @return the native font structure
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*/
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void* gtkpeer_get_font(JNIEnv* env, jobject font_peer);
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/**
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* Initializes the field IDs for pixbuf decoder.
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*
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* @param env the JNI environment
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*/
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void gtkpeer_init_pixbuf_IDs(JNIEnv* env);
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/**
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* Sets the native font in the nativeFont field in GdkFontPeer.
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*
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* @param env the JNI environment
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* @param pixbuf_dec the pixbuf decoder object
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* @param pixbuf_loader the native pixbuf loader
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*/
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void gtkpeer_set_pixbuf_loader(JNIEnv* env, jobject pixbuf_dec,
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void* pixbuf_loader);
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/**
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* Fetches the native pixbuf loader reference from the GdkPixbufDecoder object.
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*
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* @param env the JNI environment
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* @param pixbuf_dec the pixbuf decoder object
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*
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* @return the native pixbuf loader
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*/
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void* gtkpeer_get_pixbuf_loader(JNIEnv* env, jobject pixbuf_dec);
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#define SWAPU32(w) \
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(((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
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/* New-style event masks. */
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#define AWT_BUTTON1_DOWN_MASK (1 << 10)
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#define AWT_BUTTON2_DOWN_MASK (1 << 11)
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#define AWT_BUTTON3_DOWN_MASK (1 << 12)
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#define AWT_SHIFT_DOWN_MASK (1 << 6)
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#define AWT_CTRL_DOWN_MASK (1 << 7)
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#define AWT_META_DOWN_MASK (1 << 8)
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#define AWT_ALT_DOWN_MASK (1 << 9)
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/* Old-style event masks. */
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#define AWT_BUTTON1_MASK (1 << 4)
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#define AWT_BUTTON2_MASK (1 << 3)
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#define AWT_BUTTON3_MASK (1 << 2)
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#define AWT_SHIFT_MASK (1 << 0)
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#define AWT_CTRL_MASK (1 << 1)
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#define AWT_META_MASK (1 << 2)
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#define AWT_ALT_MASK (1 << 3)
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#define AWT_ITEM_SELECTED 1
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#define AWT_ITEM_DESELECTED 2
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#define AWT_KEY_TYPED 400
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#define AWT_KEY_PRESSED 401
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#define AWT_KEY_RELEASED 402
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#define AWT_KEY_LOCATION_UNKNOWN 0
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#define AWT_KEY_LOCATION_STANDARD 1
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#define AWT_KEY_LOCATION_LEFT 2
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#define AWT_KEY_LOCATION_RIGHT 3
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#define AWT_KEY_LOCATION_NUMPAD 4
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#define AWT_STYLE_PLAIN 0
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#define AWT_STYLE_BOLD 1
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#define AWT_STYLE_ITALIC 2
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/* Used in GtkComponentPeer and GtkWindowPeer */
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#define VK_NUMPAD0 96
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#define VK_NUMPAD1 97
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#define VK_NUMPAD2 98
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#define VK_NUMPAD3 99
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#define VK_NUMPAD4 100
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#define VK_NUMPAD5 101
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#define VK_NUMPAD6 102
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#define VK_NUMPAD7 103
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#define VK_NUMPAD8 104
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#define VK_NUMPAD9 105
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#define VK_DECIMAL 110
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JNIEnv *cp_gtk_gdk_env(void);
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/* Global variables */
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extern double cp_gtk_dpi_conversion_factor;
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extern GtkWindowGroup *cp_gtk_global_window_group;
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/* Shared global clipboard and selection for GtkClipboard and GtkSelection. */
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extern GtkClipboard *cp_gtk_clipboard;
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extern GtkClipboard *cp_gtk_selection;
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extern jobject cp_gtk_clipboard_instance;
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extern jobject cp_gtk_selection_instance;
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/* Standard target (strings) for GtkClipboard and GtkSelection. */
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extern jstring cp_gtk_stringTarget;
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extern jstring cp_gtk_imageTarget;
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extern jstring cp_gtk_filesTarget;
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/* Union used for type punning. */
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union widget_union
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{
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void **void_widget;
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GtkWidget **widget;
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};
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/* Constant conversion helpers */
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guint cp_gtk_awt_keycode_to_keysym (jint keyCode, jint keyLocation);
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jint cp_gtk_state_to_awt_mods (guint state);
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/* Image helpers */
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GdkPixbuf *cp_gtk_image_get_pixbuf (JNIEnv *env, jobject obj);
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/* Component Graphics helpers */
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void cp_gtk_grab_current_drawable(GtkWidget *widget, GdkDrawable **draw,
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GdkWindow **win);
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/* JNI initialization functions */
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void cp_gtk_button_init_jni (JNIEnv*);
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void cp_gtk_checkbox_init_jni (void);
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void cp_gtk_choice_init_jni (void);
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void cp_gtk_component_init_jni (void);
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void cp_gtk_filedialog_init_jni (void);
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void cp_gtk_list_init_jni (void);
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void cp_gtk_menuitem_init_jni (void);
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void cp_gtk_scrollbar_init_jni (void);
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void cp_gtk_textcomponent_init_jni (void);
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void cp_gtk_window_init_jni (void);
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/* Signal connection convience functions */
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void cp_gtk_component_connect_expose_signals (GObject *ptr, jobject gref);
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void cp_gtk_component_connect_focus_signals (GObject *ptr, jobject gref);
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void cp_gtk_component_connect_mouse_signals (GObject *ptr, jobject gref);
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void cp_gtk_component_connect_signals (GObject *ptr, jobject gref);
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void cp_gtk_textcomponent_connect_signals (GObject *ptr, jobject gref);
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/* Debugging */
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void cp_gtk_print_current_thread (void);
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GdkPixmap *cp_gtk_get_pixmap( JNIEnv *env, jobject obj);
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#define SYNCHRONIZE_GDK 0
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#define DEBUG_LOCKING 0
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#if DEBUG_LOCKING
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#define gdk_threads_enter() \
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{ \
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g_print ("locking: %s, %d\n", __FILE__, __LINE__); \
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cp_gtk_print_current_thread (); \
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gdk_threads_enter (); \
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g_print ("locked: %s, %d\n", __FILE__, __LINE__); \
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cp_gtk_print_current_thread (); \
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}
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#define gdk_threads_leave() \
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{ \
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g_print ("unlocking: %s, %d\n", __FILE__, __LINE__); \
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cp_gtk_print_current_thread (); \
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gdk_threads_leave (); \
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g_print ("unlocked: %s, %d\n", __FILE__, __LINE__); \
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cp_gtk_print_current_thread (); \
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}
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#endif
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#endif /* __GTKPEER_H */
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