gnu_java_awt_peer_gtk_gtkwindowpeer.c

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/* gtkwindowpeer.c -- Native implementation of GtkWindowPeer
   Copyright (C) 1998, 1999, 2002, 2004, 2005 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 "gtkpeer.h"
#include "gnu_java_awt_peer_gtk_GtkWindowPeer.h"
#include <gdk/gdkprivate.h>
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#include <gdk/gdkkeysyms.h>

#define AWT_WINDOW_OPENED 200
#define AWT_WINDOW_CLOSING 201
#define AWT_WINDOW_CLOSED 202
#define AWT_WINDOW_ICONIFIED 203
#define AWT_WINDOW_DEICONIFIED 204
#define AWT_WINDOW_ACTIVATED 205
#define AWT_WINDOW_DEACTIVATED 206
#define AWT_WINDOW_GAINED_FOCUS 207
#define AWT_WINDOW_LOST_FOCUS 208
#define AWT_WINDOW_STATE_CHANGED 209

/* Virtual Keys */
/* This list should be kept in the same order as the VK_ field
   declarations in KeyEvent.java. */
#define VK_ENTER '\n'
#define VK_BACK_SPACE '\b'
#define VK_TAB '\t'
#define VK_CANCEL 3
#define VK_CLEAR 12
#define VK_SHIFT 16
#define VK_CONTROL 17
#define VK_ALT 18
#define VK_PAUSE 19
#define VK_CAPS_LOCK 20
#define VK_ESCAPE 27
#define VK_SPACE ' '
#define VK_PAGE_UP 33
#define VK_PAGE_DOWN 34
#define VK_END 35
#define VK_HOME 36
#define VK_LEFT 37
#define VK_UP 38
#define VK_RIGHT 39
#define VK_DOWN 40
#define VK_COMMA ','
#define VK_MINUS '-'
#define VK_PERIOD '.'
#define VK_SLASH '/'
#define VK_0 '0'
#define VK_1 '1'
#define VK_2 '2'
#define VK_3 '3'
#define VK_4 '4'
#define VK_5 '5'
#define VK_6 '6'
#define VK_7 '7'
#define VK_8 '8'
#define VK_9 '9'
#define VK_SEMICOLON ';'
#define VK_EQUALS '='
#define VK_A 'A'
#define VK_B 'B'
#define VK_C 'C'
#define VK_D 'D'
#define VK_E 'E'
#define VK_F 'F'
#define VK_G 'G'
#define VK_H 'H'
#define VK_I 'I'
#define VK_J 'J'
#define VK_K 'K'
#define VK_L 'L'
#define VK_M 'M'
#define VK_N 'N'
#define VK_O 'O'
#define VK_P 'P'
#define VK_Q 'Q'
#define VK_R 'R'
#define VK_S 'S'
#define VK_T 'T'
#define VK_U 'U'
#define VK_V 'V'
#define VK_W 'W'
#define VK_X 'X'
#define VK_Y 'Y'
#define VK_Z 'Z'
#define VK_OPEN_BRACKET '['
#define VK_BACK_SLASH '\\'
#define VK_CLOSE_BRACKET ']'
/* See gtkpeer.h */
/* #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_MULTIPLY 106
#define VK_ADD 107
#define VK_SEPARATER 108
#define VK_SEPARATOR 108
#define VK_SUBTRACT 109
/* See gtkpeer.h */
/* #define VK_DECIMAL 110 */
#define VK_DIVIDE 111
#define VK_DELETE 127
#define VK_NUM_LOCK 144
#define VK_SCROLL_LOCK 145
#define VK_F1 112
#define VK_F2 113
#define VK_F3 114
#define VK_F4 115
#define VK_F5 116
#define VK_F6 117
#define VK_F7 118
#define VK_F8 119
#define VK_F9 120
#define VK_F10 121
#define VK_F11 122
#define VK_F12 123
#define VK_F13 61440
#define VK_F14 61441
#define VK_F15 61442
#define VK_F16 61443
#define VK_F17 61444
#define VK_F18 61445
#define VK_F19 61446
#define VK_F20 61447
#define VK_F21 61448
#define VK_F22 61449
#define VK_F23 61450
#define VK_F24 61451
#define VK_PRINTSCREEN 154
#define VK_INSERT 155
#define VK_HELP 156
#define VK_META 157
#define VK_BACK_QUOTE 192
#define VK_QUOTE 222
#define VK_KP_UP 224
#define VK_KP_DOWN 225
#define VK_KP_LEFT 226
#define VK_KP_RIGHT 227
#define VK_DEAD_GRAVE 128
#define VK_DEAD_ACUTE 129
#define VK_DEAD_CIRCUMFLEX 130
#define VK_DEAD_TILDE 131
#define VK_DEAD_MACRON 132
#define VK_DEAD_BREVE 133
#define VK_DEAD_ABOVEDOT 134
#define VK_DEAD_DIAERESIS 135
#define VK_DEAD_ABOVERING 136
#define VK_DEAD_DOUBLEACUTE 137
#define VK_DEAD_CARON 138
#define VK_DEAD_CEDILLA 139
#define VK_DEAD_OGONEK 140
#define VK_DEAD_IOTA 141
#define VK_DEAD_VOICED_SOUND 142
#define VK_DEAD_SEMIVOICED_SOUND 143
#define VK_AMPERSAND 150
#define VK_ASTERISK 151
#define VK_QUOTEDBL 152
#define VK_LESS 153
#define VK_GREATER 160
#define VK_BRACELEFT 161
#define VK_BRACERIGHT 162
#define VK_AT 512
#define VK_COLON 513
#define VK_CIRCUMFLEX 514
#define VK_DOLLAR 515
#define VK_EURO_SIGN 516
#define VK_EXCLAMATION_MARK 517
#define VK_INVERTED_EXCLAMATION_MARK 518
#define VK_LEFT_PARENTHESIS 519
#define VK_NUMBER_SIGN 520
#define VK_PLUS 521
#define VK_RIGHT_PARENTHESIS 522
#define VK_UNDERSCORE 523
#define VK_FINAL 24
#define VK_CONVERT 28
#define VK_NONCONVERT 29
#define VK_ACCEPT 30
#define VK_MODECHANGE 31
#define VK_KANA 21
#define VK_KANJI 25
#define VK_ALPHANUMERIC 240
#define VK_KATAKANA 241
#define VK_HIRAGANA 242
#define VK_FULL_WIDTH 243
#define VK_HALF_WIDTH 244
#define VK_ROMAN_CHARACTERS 245
#define VK_ALL_CANDIDATES 256
#define VK_PREVIOUS_CANDIDATE 257
#define VK_CODE_INPUT 258
#define VK_JAPANESE_KATAKANA 259
#define VK_JAPANESE_HIRAGANA 260
#define VK_JAPANESE_ROMAN 261
#define VK_KANA_LOCK 262
#define VK_INPUT_METHOD_ON_OFF 263
#define VK_CUT 65489
#define VK_COPY 65485
#define VK_PASTE 65487
#define VK_UNDO 65483
#define VK_AGAIN 65481
#define VK_FIND 65488
#define VK_PROPS 65482
#define VK_STOP 65480
#define VK_COMPOSE 65312
#define VK_ALT_GRAPH 65406
#define VK_UNDEFINED 0

#define AWT_KEY_CHAR_UNDEFINED 0

#define AWT_FRAME_STATE_NORMAL 0
#define AWT_FRAME_STATE_ICONIFIED 1
#define AWT_FRAME_STATE_MAXIMIZED_HORIZ 2
#define AWT_FRAME_STATE_MAXIMIZED_VERT 4
#define AWT_FRAME_STATE_MAXIMIZED_BOTH 6

static jmethodID postKeyEventID;
static jmethodID postWindowEventID;
static jmethodID postConfigureEventID;
static jmethodID postInsetsChangedEventID;
static jmethodID windowGetWidthID;
static jmethodID windowGetHeightID;

void
cp_gtk_window_init_jni (void)
{
  jclass gtkwindowpeer;

  gtkwindowpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(),
                                           "gnu/java/awt/peer/gtk/GtkWindowPeer");

  postKeyEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer,
                                              "postKeyEvent", "(IJIICI)V");

  postWindowEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer,
                                                 "postWindowEvent",
                                                 "(ILjava/awt/Window;I)V");

  postConfigureEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer, 
                                                    "postConfigureEvent", "(IIII)V");

  postInsetsChangedEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer,
                                                        "postInsetsChangedEvent",
                                                        "(IIII)V");

  windowGetWidthID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer,
                                                "getWidth", "()I");

  windowGetHeightID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkwindowpeer,
                                                 "getHeight", "()I");

  gtkwindowpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(),
                                           "gnu/java/awt/peer/gtk/GtkWindowPeer");
}

/* Get the first keyval in the keymap for this event's keycode.  The
   first keyval corresponds roughly to Java's notion of a virtual key.
   Returns the uppercase version of the first keyval or -1 if no
   keyval was found for the given hardware keycode. */
static gint
get_first_keyval_from_keymap (GdkEventKey *event)
{
  guint keyval;
  guint *keyvals;
  gint n_entries;

  if (!gdk_keymap_get_entries_for_keycode (NULL,
                                           event->hardware_keycode,
                                           NULL,
                                           &keyvals,
                                           &n_entries))
    {
      /* No keyval found for hardware keycode */
      return -1;
    }
  keyval = keyvals[0];
  g_free (keyvals);

  return gdk_keyval_to_upper (keyval);
}

/* Return the AWT key code for the given keysym or -1 if no keyval was
   found for the given hardware keycode. */
#ifdef __GNUC__
__inline
#endif
static jint
keysym_to_awt_keycode (GdkEventKey *event)
{
  gint ukeyval;
  guint state;

  ukeyval = get_first_keyval_from_keymap (event);

  if (ukeyval < 0)
    return -1;

  state = event->state;

  /* VK_A through VK_Z */
  if (ukeyval >= GDK_A && ukeyval <= GDK_Z)
    return ukeyval;

  /* VK_0 through VK_9 */
  if (ukeyval >= GDK_0 && ukeyval <= GDK_9)
    return ukeyval;

  switch (ukeyval)
    {
    case GDK_Return:
    case GDK_KP_Enter:
      return VK_ENTER;
    case GDK_BackSpace:
      return VK_BACK_SPACE;
    case GDK_Tab:
      return VK_TAB;
    case GDK_Cancel:
      return VK_CANCEL;
    case GDK_Clear:
      return VK_CLEAR;
    case GDK_Shift_L:
    case GDK_Shift_R:
      return VK_SHIFT;
    case GDK_Control_L:
    case GDK_Control_R:
      return VK_CONTROL;
    case GDK_Alt_L:
    case GDK_Alt_R:
      return VK_ALT;
    case GDK_Pause:
      return VK_PAUSE;
    case GDK_Caps_Lock:
      return VK_CAPS_LOCK;
    case GDK_Escape:
      return VK_ESCAPE;
    case GDK_space:
      return VK_SPACE;
    case GDK_KP_Page_Up:
      /* For keys on the numeric keypad, the JVM produces one of two
         virtual keys, depending on the num lock state. */
      if (state & GDK_MOD2_MASK)
        return VK_NUMPAD9;
      else
        return VK_PAGE_UP;
    case GDK_Page_Up:
      return VK_PAGE_UP;
    case GDK_KP_Page_Down:
      if (state & GDK_MOD2_MASK)
        return VK_NUMPAD3;
      else
        return VK_PAGE_DOWN;
    case GDK_Page_Down:
      return VK_PAGE_DOWN;
    case GDK_KP_End:
      if (state & GDK_MOD2_MASK)
        return VK_NUMPAD1;
      else
        return VK_END;
    case GDK_End:
      return VK_END;
    case GDK_KP_Home:
      if (state & GDK_MOD2_MASK)
        return VK_NUMPAD7;
      else
        return VK_HOME;
    case GDK_Home:
      return VK_HOME;
    case GDK_KP_Begin:
      if (state & GDK_MOD2_MASK)
        return VK_NUMPAD5;
      else
        return VK_UNDEFINED;
    case GDK_Left:
      return VK_LEFT;
    case GDK_Up:
      return VK_UP;
    case GDK_Right:
      return VK_RIGHT;
    case GDK_Down:
      return VK_DOWN;
    case GDK_comma:
      return VK_COMMA;
    case GDK_minus:
      return VK_MINUS;
    case GDK_period:
      return VK_PERIOD;
    case GDK_slash:
      return VK_SLASH;
      /*
      return VK_0;
      return VK_1;
      return VK_2;
      return VK_3;
      return VK_4;
      return VK_5;
      return VK_6;
      return VK_7;
      return VK_8;
      return VK_9;
      */
    case GDK_semicolon:
      return VK_SEMICOLON;
    case GDK_equal:
      return VK_EQUALS;
      /*
      return VK_A;
      return VK_B;
      return VK_C;
      return VK_D;
      return VK_E;
      return VK_F;
      return VK_G;
      return VK_H;
      return VK_I;
      return VK_J;
      return VK_K;
      return VK_L;
      return VK_M;
      return VK_N;
      return VK_O;
      return VK_P;
      return VK_Q;
      return VK_R;
      return VK_S;
      return VK_T;
      return VK_U;
      return VK_V;
      return VK_W;
      return VK_X;
      return VK_Y;
      return VK_Z;
      */
    case GDK_bracketleft:
      return VK_OPEN_BRACKET;
    case GDK_backslash:
      return VK_BACK_SLASH;
    case GDK_bracketright:
      return VK_CLOSE_BRACKET;
    case GDK_KP_0:
      return VK_NUMPAD0;
    case GDK_KP_1:
      return VK_NUMPAD1;
    case GDK_KP_2:
      return VK_NUMPAD2;
    case GDK_KP_3:
      return VK_NUMPAD3;
    case GDK_KP_4:
      return VK_NUMPAD4;
    case GDK_KP_5:
      return VK_NUMPAD5;
    case GDK_KP_6:
      return VK_NUMPAD6;
    case GDK_KP_7:
      return VK_NUMPAD7;
    case GDK_KP_8:
      return VK_NUMPAD8;
    case GDK_KP_9:
      return VK_NUMPAD9;
    case GDK_KP_Multiply:
      return VK_MULTIPLY;
    case GDK_KP_Add:
      return VK_ADD;
      /*
      return VK_SEPARATER;
      */
    case GDK_KP_Separator:
      return VK_SEPARATOR;
    case GDK_KP_Subtract:
      return VK_SUBTRACT;
    case GDK_KP_Decimal:
      return VK_DECIMAL;
    case GDK_KP_Divide:
      return VK_DIVIDE;
    case GDK_KP_Delete:
      if (state & GDK_MOD2_MASK)
        return VK_DECIMAL;
      else
        return VK_DELETE;
    case GDK_Delete:
      return VK_DELETE;
    case GDK_Num_Lock:
      return VK_NUM_LOCK;
    case GDK_Scroll_Lock:
      return VK_SCROLL_LOCK;