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Diffstat (limited to 'libjava/classpath/native/jni/gtk-peer/gtkpeer.h')
| -rw-r--r-- | libjava/classpath/native/jni/gtk-peer/gtkpeer.h | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/gtkpeer.h b/libjava/classpath/native/jni/gtk-peer/gtkpeer.h new file mode 100644 index 000000000..8b677aff7 --- /dev/null +++ b/libjava/classpath/native/jni/gtk-peer/gtkpeer.h @@ -0,0 +1,360 @@ +/* gtkpeer.h -- Some global variables and #defines + Copyright (C) 1998, 1999, 2004, 2005, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include <cairo.h> +#include <gtk/gtk.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <config.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +#include <jni.h> + +#ifndef __GTKPEER_H__ +#define __GTKPEER_H__ + +#ifndef __GNUC__ +#define __attribute__(x) /* nothing */ +#endif + +/** + * Initializes the IDs of the Pointer* classes. + * + * @param env the JNI environment + */ +void gtkpeer_init_pointer_IDs(JNIEnv* env); + +/** + * Initializes the field IDs for the widget reference. + * + * @param env the JNI environment + */ +void gtkpeer_init_widget_IDs(JNIEnv *env); + +/** + * Stores the GTK widget reference in the GtkComponentPeer object. + * + * @param env the JNI environment + * @param peer the actual peer object + * @param widget the widget reference to store + */ +void gtkpeer_set_widget(JNIEnv *env, jobject peer, void *widget); + +/** + * Retrieves the GTK widget reference from a GtkComponentPeer object. + * + * @param env the JNI environment + * @param peer the actual peer object + * + * @return the widget reference + */ +void* gtkpeer_get_widget(JNIEnv *env, jobject peer); + +/** + * Stores the global JNI reference of a peer inside the peer. + * + * @param env the JNI environment + * @param peer the peer object + */ +void gtkpeer_set_global_ref(JNIEnv *env, jobject peer); + +/** + * Retrieves the global reference from a peer. + * + * @param env the JNI environment + * @param peer the peer object + * + * @return the global reference + */ +void* gtkpeer_get_global_ref(JNIEnv *env, jobject peer); + +/** + * Deletes the global reference of a peer. This is necessary in order to + * allow the peer to be garbage collected. + * + * @param env the JNI environment + * @param peer the peer object. + */ +void gtkpeer_del_global_ref(JNIEnv* env, jobject peer); + + +/** + * Initializes the fieldIDs for the display and screen fields. + * + * @param env the JNI environment + */ +void gtkpeer_init_display_IDs(JNIEnv* env); + +/** + * Sets the native display pointer in the GdkGraphicsEnvironment object. + * + * @param env the JNI environment + * @param graphicsenv the GdkGraphicsEnvironment object + * @param display the native display pointer + */ +void gtkpeer_set_display(JNIEnv* env, jobject graphicsenv, void* display); + +/** + * Fetches the native display pointer from the GdkGraphicsEnvironment object. + * + * @param env the JNI environment + * @param graphicsenv the GdkGraphicsEnvironment object + * + * @return the native display pointer + */ +void* gtkpeer_get_display(JNIEnv* env, jobject graphicsenv); + +/** + * Initializes the fieldIDs for the screen field. + * + * @param env the JNI environment + */ +void gtkpeer_init_screen_IDs(JNIEnv* env); + +/** + * Sets the native screen in the GdkScreenGraphicsDevice object. + * + * @param env the JNI environment + * @param screen_graphics_device the GdkScreenGraphicsDevice object + * @param ptr the native screen pointer + */ +void gtkpeer_set_screen(JNIEnv* env, jobject screen_graphics_device, + void* ptr); + +/** + * Fetches the native screen pointer from the GdkScreenGraphicsDevice object. + * + * @param env the JNI environment + * @param screen_graphics_device the GdkScreenGraphicsDevice object + * + * @return the native screen pointer + */ +void* gtkpeer_get_screen(JNIEnv* env, jobject screen_graphics_device); + +/** + * Initializes the field IDs for fonts. + * + * @param env the JNI environment + */ +void gtkpeer_init_font_IDs(JNIEnv* env); + +/** + * Sets the native font in the nativeFont field in GdkFontPeer. + * + * @param env the JNI environment + * @param font_peer the font peer object + * @param font the actual native font reference + */ +void gtkpeer_set_font(JNIEnv* env, jobject font_peer, void* font); + +/** + * Fetches the native font reference from the GdkFontPeer object. + * + * @param env the JNI environment + * @param font_peer the font peer object + * + * @return the native font structure + */ +void* gtkpeer_get_font(JNIEnv* env, jobject font_peer); + +/** + * Initializes the field IDs for pixbuf decoder. + * + * @param env the JNI environment + */ +void gtkpeer_init_pixbuf_IDs(JNIEnv* env); + +/** + * Sets the native font in the nativeFont field in GdkFontPeer. + * + * @param env the JNI environment + * @param pixbuf_dec the pixbuf decoder object + * @param pixbuf_loader the native pixbuf loader + */ +void gtkpeer_set_pixbuf_loader(JNIEnv* env, jobject pixbuf_dec, + void* pixbuf_loader); + +/** + * Fetches the native pixbuf loader reference from the GdkPixbufDecoder object. + * + * @param env the JNI environment + * @param pixbuf_dec the pixbuf decoder object + * + * @return the native pixbuf loader + */ +void* gtkpeer_get_pixbuf_loader(JNIEnv* env, jobject pixbuf_dec); + + +#define SWAPU32(w) \ + (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24)) + +/* New-style event masks. */ +#define AWT_BUTTON1_DOWN_MASK (1 << 10) +#define AWT_BUTTON2_DOWN_MASK (1 << 11) +#define AWT_BUTTON3_DOWN_MASK (1 << 12) + +#define AWT_SHIFT_DOWN_MASK (1 << 6) +#define AWT_CTRL_DOWN_MASK (1 << 7) +#define AWT_META_DOWN_MASK (1 << 8) +#define AWT_ALT_DOWN_MASK (1 << 9) + +/* Old-style event masks. */ +#define AWT_BUTTON1_MASK (1 << 4) +#define AWT_BUTTON2_MASK (1 << 3) +#define AWT_BUTTON3_MASK (1 << 2) + +#define AWT_SHIFT_MASK (1 << 0) +#define AWT_CTRL_MASK (1 << 1) +#define AWT_META_MASK (1 << 2) +#define AWT_ALT_MASK (1 << 3) + +#define AWT_ITEM_SELECTED 1 +#define AWT_ITEM_DESELECTED 2 + +#define AWT_KEY_TYPED 400 +#define AWT_KEY_PRESSED 401 +#define AWT_KEY_RELEASED 402 + +#define AWT_KEY_LOCATION_UNKNOWN 0 +#define AWT_KEY_LOCATION_STANDARD 1 +#define AWT_KEY_LOCATION_LEFT 2 +#define AWT_KEY_LOCATION_RIGHT 3 +#define AWT_KEY_LOCATION_NUMPAD 4 + +#define AWT_STYLE_PLAIN 0 +#define AWT_STYLE_BOLD 1 +#define AWT_STYLE_ITALIC 2 + +/* Used in GtkComponentPeer and GtkWindowPeer */ +#define VK_NUMPAD0 96 +#define VK_NUMPAD1 97 +#define VK_NUMPAD2 98 +#define VK_NUMPAD3 99 +#define VK_NUMPAD4 100 +#define VK_NUMPAD5 101 +#define VK_NUMPAD6 102 +#define VK_NUMPAD7 103 +#define VK_NUMPAD8 104 +#define VK_NUMPAD9 105 +#define VK_DECIMAL 110 + +JNIEnv *cp_gtk_gdk_env(void); + +/* Global variables */ +extern double cp_gtk_dpi_conversion_factor; +extern GtkWindowGroup *cp_gtk_global_window_group; + +/* Shared global clipboard and selection for GtkClipboard and GtkSelection. */ +extern GtkClipboard *cp_gtk_clipboard; +extern GtkClipboard *cp_gtk_selection; + +extern jobject cp_gtk_clipboard_instance; +extern jobject cp_gtk_selection_instance; + +/* Standard target (strings) for GtkClipboard and GtkSelection. */ +extern jstring cp_gtk_stringTarget; +extern jstring cp_gtk_imageTarget; +extern jstring cp_gtk_filesTarget; + +/* Union used for type punning. */ +union widget_union +{ + void **void_widget; + GtkWidget **widget; +}; + +/* Constant conversion helpers */ +guint cp_gtk_awt_keycode_to_keysym (jint keyCode, jint keyLocation); +jint cp_gtk_state_to_awt_mods (guint state); + +/* Image helpers */ +GdkPixbuf *cp_gtk_image_get_pixbuf (JNIEnv *env, jobject obj); + +/* Component Graphics helpers */ +void cp_gtk_grab_current_drawable(GtkWidget *widget, GdkDrawable **draw, + GdkWindow **win); + +/* JNI initialization functions */ +void cp_gtk_button_init_jni (JNIEnv*); +void cp_gtk_checkbox_init_jni (void); +void cp_gtk_choice_init_jni (void); +void cp_gtk_component_init_jni (void); +void cp_gtk_filedialog_init_jni (void); +void cp_gtk_list_init_jni (void); +void cp_gtk_menuitem_init_jni (void); +void cp_gtk_scrollbar_init_jni (void); +void cp_gtk_textcomponent_init_jni (void); +void cp_gtk_window_init_jni (void); + +/* Signal connection convience functions */ +void cp_gtk_component_connect_expose_signals (GObject *ptr, jobject gref); +void cp_gtk_component_connect_focus_signals (GObject *ptr, jobject gref); +void cp_gtk_component_connect_mouse_signals (GObject *ptr, jobject gref); +void cp_gtk_component_connect_signals (GObject *ptr, jobject gref); +void cp_gtk_textcomponent_connect_signals (GObject *ptr, jobject gref); + +/* Debugging */ +void cp_gtk_print_current_thread (void); + +GdkPixmap *cp_gtk_get_pixmap( JNIEnv *env, jobject obj); + +#define SYNCHRONIZE_GDK 0 + +#define DEBUG_LOCKING 0 + +#if DEBUG_LOCKING +#define gdk_threads_enter() \ +{ \ + g_print ("locking: %s, %d\n", __FILE__, __LINE__); \ + cp_gtk_print_current_thread (); \ + gdk_threads_enter (); \ + g_print ("locked: %s, %d\n", __FILE__, __LINE__); \ + cp_gtk_print_current_thread (); \ +} +#define gdk_threads_leave() \ +{ \ + g_print ("unlocking: %s, %d\n", __FILE__, __LINE__); \ + cp_gtk_print_current_thread (); \ + gdk_threads_leave (); \ + g_print ("unlocked: %s, %d\n", __FILE__, __LINE__); \ + cp_gtk_print_current_thread (); \ +} +#endif + +#endif /* __GTKPEER_H */ |