gomp-20050608-branch/libjava/classpath/native/jni/qt-peer/componentevent.cpp

   1 /* componentevent.cpp --
   2    Copyright (C)  2005  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., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 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 #include <assert.h>
  39 #include <QWidget>
  40 #include <QPoint>
  41
  42 #include "componentevent.h"
  43
  44 AWTInitEvent::AWTInitEvent(JNIEnv *env, jobject obj) : AWTEvent()
  45 {
  46   env->GetJavaVM( &vm );
  47   target = env->NewGlobalRef( obj );
  48 }
  49
  50 void AWTInitEvent::runEvent()
  51 {
  52   JNIEnv *env;
  53   vm->GetEnv((void **)&env, JNI_VERSION_1_1);
  54   jclass targetCls = env->GetObjectClass( target );
  55   // call init()
  56   jmethodID mID = env->GetMethodID( targetCls,
  57                                        "init",
  58                                        "()V" );
  59   env->CallVoidMethod( target, mID );
  60
  61   // call notify()
  62   mID = env->GetMethodID( targetCls,
  63                           "notify",
  64                           "()V" );
  65   assert(mID != NULL);
  66   env->MonitorEnter( target );
  67   env->CallVoidMethod( target, mID );
  68   env->MonitorExit( target );
  69
  70   env->DeleteGlobalRef( target );
  71 }
  72
  73 AWTShowEvent::AWTShowEvent(QWidget *w, bool v) : AWTEvent()
  74 {
  75   widget = w;
  76   visible = v;
  77 }
  78
  79 void AWTShowEvent::runEvent()
  80 {
  81   widget->setVisible( visible );
  82 }
  83
  84 AWTEnableEvent::AWTEnableEvent(QWidget *w, bool v) : AWTEvent()
  85 {
  86   widget = w;
  87   enabled = v;
  88 }
  89
  90 void AWTEnableEvent::runEvent()
  91 {
  92   widget->setEnabled( enabled );
  93 }
  94
  95 AWTCursorEvent::AWTCursorEvent(QWidget *w, Qt::CursorShape s) : AWTEvent()
  96 {
  97   widget = w;
  98   shape = s;
  99 }
 100
 101 void AWTCursorEvent::runEvent()
 102 {
 103   QCursor *s = new QCursor(shape);
 104   widget->setCursor( *s );
 105 }
 106
 107 AWTResizeEvent::AWTResizeEvent(QWidget *wid, int x0, int y0, int w0, int h0)
 108 {
 109   widget = wid;
 110   x = x0; y = y0;
 111   w = w0; h = h0;
 112   if(w == 0 && h == 0) w = h = 10;
 113 }
 114
 115 void AWTResizeEvent::runEvent()
 116 {
 117   QRect g = widget->geometry();
 118   if(g.x() != x || g.y() != y || g.width() != w || g.height() != h)
 119     widget->setGeometry( x, y, w, h );
 120 }
 121
 122 AWTBackgroundEvent::AWTBackgroundEvent(QWidget *wid, bool fg, QColor *clr)
 123 {
 124   widget = wid;
 125   foreground = fg;
 126   color = clr;
 127 }
 128
 129 void AWTBackgroundEvent::runEvent()
 130 {
 131   QPalette p = widget->palette();
 132   if (foreground)
 133     {
 134       p.setColor(QPalette::Active, QPalette::Foreground, *color);
 135       p.setColor(QPalette::Active, QPalette::Text, *color);
 136     }
 137   else
 138     {
 139       p.setColor(QPalette::Active, QPalette::Background, *color);
 140       p.setColor(QPalette::Active, QPalette::Button, *color);
 141       p.setColor(QPalette::Active, QPalette::Base, *color);
 142       p.setColor(QPalette::Active, QPalette::AlternateBase, *color);
 143     }
 144   widget->setPalette(p);
 145   widget->repaint();
 146   delete color;
 147 }
 148
 149 AWTGetOriginEvent::AWTGetOriginEvent(QWidget *w, JNIEnv *env, jobject obj) : AWTEvent()
 150 {
 151   widget = w;
 152   env->GetJavaVM( &vm );
 153   target = env->NewGlobalRef( obj );
 154 }
 155
 156 void AWTGetOriginEvent::runEvent()
 157 {
 158   JNIEnv *env;
 159   vm->GetEnv((void **)&env, JNI_VERSION_1_1);
 160   jclass targetCls = env->GetObjectClass( target );
 161
 162   QPoint *p = new QPoint( widget->mapToGlobal( QPoint(0, 0) ) );
 163   // call init()
 164   jmethodID mID = env->GetMethodID( targetCls,
 165                                        "setLocation",
 166                                        "(II)V" );
 167   env->CallVoidMethod( target, mID, p->x(), p->y() );
 168   delete p;
 169
 170   // call notify()
 171   mID = env->GetMethodID( targetCls,
 172                           "notify",
 173                           "()V" );
 174   assert(mID != NULL);
 175   env->MonitorEnter( target );
 176   env->CallVoidMethod( target, mID );
 177   env->MonitorExit( target );
 178
 179   env->DeleteGlobalRef( target );
 180 }
 181
 182 GetSizeEvent::GetSizeEvent(QWidget *w, JNIEnv *env, jobject obj, bool p) : AWTEvent()
 183 {
 184   widget = w;
 185   env->GetJavaVM( &vm );
 186   target = env->NewGlobalRef( obj );
 187   pref = p;
 188 }
 189
 190 void GetSizeEvent::runEvent()
 191 {
 192   JNIEnv *env;
 193   vm->GetEnv((void **)&env, JNI_VERSION_1_1);
 194   jclass targetCls = env->GetObjectClass( target );
 195
 196   QPoint *p = new QPoint( widget->mapToGlobal( QPoint(0, 0) ) );
 197   QSize s;
 198   if( pref )
 199     s = widget->sizeHint();
 200   else
 201     s = widget->minimumSizeHint();
 202
 203   // call init()
 204   jmethodID mID = env->GetMethodID( targetCls,
 205                                        "setSize",
 206                                        "(II)V" );
 207   env->CallVoidMethod( target, mID, s.width(), s.height() );
 208
 209   // call notify()
 210   mID = env->GetMethodID( targetCls,
 211                           "notify",
 212                           "()V" );
 213   assert(mID != NULL);
 214   env->MonitorEnter( target );
 215   env->CallVoidMethod( target, mID );
 216   env->MonitorExit( target );
 217
 218   env->DeleteGlobalRef( target );
 219 }
 220
 221
 222
 223