385 lines
10 KiB
C++
385 lines
10 KiB
C++
/* qtcomponentpeer.cpp --
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Copyright (C) 2005 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 <assert.h>
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QShowEvent>
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#include <QHideEvent>
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#include <QColor>
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#include <QCursor>
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#include <QWidget>
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#include <gnu_java_awt_peer_qt_QtComponentPeer.h>
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#include "qtcomponent.h"
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#include "componentevent.h"
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#include "qtfont.h"
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extern QApplication *qApplication;
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// Java Cursor types.
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#define DEFAULT_CURSOR 0
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#define CROSSHAIR_CURSOR 1
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#define TEXT_CURSOR 2
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#define WAIT_CURSOR 3
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#define SW_RESIZE_CURSOR 4
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#define SE_RESIZE_CURSOR 5
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#define NW_RESIZE_CURSOR 6
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#define NE_RESIZE_CURSOR 7
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#define N_RESIZE_CURSOR 8
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#define S_RESIZE_CURSOR 9
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#define W_RESIZE_CURSOR 10
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#define E_RESIZE_CURSOR 11
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#define HAND_CURSOR 12
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#define MOVE_CURSOR 13
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/**
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* Call back the init() method from the main thread.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_callInit
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(JNIEnv *env, jobject obj)
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{
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mainThread->postEventToMain( new AWTInitEvent( env, obj ) );
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}
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/*
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* Generic disposal.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_disposeNative
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(JNIEnv *env, jobject obj)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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setNativeObject(env, obj, NULL);
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mainThread->postEventToMain( new AWTDestroyEvent( widget ) );
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}
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/**
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* Returns the on-screen location of the component.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_getLocationOnScreenNative
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(JNIEnv *env, jobject obj, jobject point)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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mainThread->postEventToMain( new AWTGetOriginEvent( widget, env, point) );
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}
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/*
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* Get the preferred/minimum size of the widget
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_getSizeNative
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(JNIEnv *env, jobject obj, jobject size, jboolean preferred)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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mainThread->postEventToMain
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(new GetSizeEvent( widget, env, size, (preferred == JNI_TRUE)));
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}
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/*
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*/
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JNIEXPORT jboolean JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_isObscured
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(JNIEnv *env, jobject obj)
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{
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jboolean retVal;
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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retVal = (widget->isVisible() == TRUE) ? JNI_TRUE : JNI_FALSE;
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return retVal;
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}
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/*
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* Returns whether the widget is focusable or not.
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*/
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JNIEXPORT jboolean JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_isFocusable
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(JNIEnv *env, jobject obj)
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{
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jboolean retVal;
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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retVal = (widget->focusPolicy() != Qt::NoFocus) ? JNI_TRUE : JNI_FALSE;
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return retVal;
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}
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/**
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* Requests the focus
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_requestFocus
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(JNIEnv *env, jobject obj)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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mainThread->postEventToMain( new AWTReqFocusEvent( widget ) );
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}
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/*
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* Sets the size and position. Important.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setBoundsNative
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(JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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mainThread->postEventToMain
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(new AWTResizeEvent( widget, x, y, width, height ) );
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}
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/*
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* Sets the mouse cursor
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setCursor
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(JNIEnv *env, jobject obj, jint cursortype)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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Qt::CursorShape shape;
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switch(cursortype)
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{
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case CROSSHAIR_CURSOR:
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shape = Qt::CrossCursor;
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break;
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case W_RESIZE_CURSOR:
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case E_RESIZE_CURSOR:
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shape = Qt::SizeHorCursor;
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break;
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case N_RESIZE_CURSOR:
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case S_RESIZE_CURSOR:
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shape = Qt::SizeVerCursor;
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break;
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case HAND_CURSOR:
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shape = Qt::PointingHandCursor;
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break;
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case MOVE_CURSOR:
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shape = Qt::SizeAllCursor;
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break;
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case NE_RESIZE_CURSOR:
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case SW_RESIZE_CURSOR:
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shape = Qt::SizeBDiagCursor;
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break;
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case NW_RESIZE_CURSOR:
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case SE_RESIZE_CURSOR:
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shape = Qt::SizeFDiagCursor;
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break;
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case TEXT_CURSOR:
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shape = Qt::IBeamCursor;
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break;
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case WAIT_CURSOR:
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shape = Qt::WaitCursor;
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break;
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case DEFAULT_CURSOR:
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default:
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shape = Qt::ArrowCursor;
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break;
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}
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mainThread->postEventToMain( new AWTCursorEvent( widget, shape ) );
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}
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/*
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* Enable, disable.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setEnabled
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(JNIEnv *env, jobject obj, jboolean state)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert(widget != NULL);
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mainThread->postEventToMain( new AWTEnableEvent( widget, (state == JNI_TRUE) ) );
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}
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/**
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* Set the font
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setFontNative
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(JNIEnv *env, jobject obj, jobject fontpeer)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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QFont *font = (QFont *) getFont( env, fontpeer );
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assert( font );
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mainThread->postEventToMain( new AWTFontEvent(widget, font) );
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}
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/*
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* Sets the back- or foreground color.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setGround
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(JNIEnv *env, jobject obj, jint r, jint g, jint b, jboolean isForeground)
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{
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QColor *color = new QColor(r, g, b);
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert(widget);
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mainThread->postEventToMain( new AWTBackgroundEvent(widget,
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(isForeground == JNI_TRUE),
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color) );
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}
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/*
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* Sets the visibility.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_setVisible
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(JNIEnv *env, jobject obj, jboolean state)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert(widget != NULL);
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mainThread->postEventToMain( new AWTShowEvent( widget, (state == JNI_TRUE) ) );
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}
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/*
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* Returns whether the widget handles wheel scrolling.
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*/
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JNIEXPORT jboolean JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_handlesWheelScrolling
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(JNIEnv *env, jobject obj)
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{
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jboolean handles = JNI_FALSE;
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QWidget *cb = (QWidget *) getNativeObject( env, obj );
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if( cb )
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if( cb->focusPolicy() & Qt::WheelFocus )
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handles = JNI_TRUE;
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return handles;
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}
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/**
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* calls qwidget::update on the compnent.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_QtUpdateArea
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(JNIEnv *env, jobject obj, jint x, jint y, jint w, jint h)
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{
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QWidget *cb = (QWidget *) getNativeObject( env, obj );
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if( cb )
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mainThread->postEventToMain( new AWTUpdateEvent
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(cb, false, x, y, w, h ) );
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}
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/*
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* calls qwidget::update on the compnent.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_QtUpdate
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(JNIEnv *env, jobject obj)
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{
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QWidget *cb = (QWidget *) getNativeObject( env, obj );
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if( cb )
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mainThread->postEventToMain( new AWTUpdateEvent
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( cb, true, 0, 0, 0, 0 ) );
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}
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/*
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* Returns the native background color.
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*/
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JNIEXPORT jobject JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_getNativeBackground
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(JNIEnv *env, jobject obj)
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{
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QWidget *cb = (QWidget *) getNativeObject( env, obj );
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assert(cb);
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QColor c = cb->palette().background().color().toRgb();
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jclass cls = env->FindClass("java/awt/Color");
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jmethodID mid = env->GetMethodID(cls, "<init>", "(III)V");
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jvalue values[3];
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values[0].i = (jint) c.red();
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values[1].i = (jint) c.green();
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values[2].i = (jint) c.blue();
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return env->NewObjectA(cls, mid, values);
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}
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/*
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* Returns which screen the component is on.
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*/
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JNIEXPORT jint JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_whichScreen
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(JNIEnv *env, jobject obj)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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return (jint) qApplication->desktop()->screenNumber( widget );
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}
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/*
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* Reparents the widget.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_reparentNative
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(JNIEnv *env, jobject obj, jobject newparent)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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QWidget *parentWidget = (QWidget *) getNativeObject( env, newparent );
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assert( parentWidget );
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mainThread->postEventToMain( new AWTReparent(widget, parentWidget ) );
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}
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/*
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* Get the preferred size of the widget
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*/
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JNIEXPORT jobject JNICALL Java_gnu_java_awt_peer_qt_QtComponentPeer_getBounds
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(JNIEnv *env, jobject obj)
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{
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QWidget *widget = (QWidget *) getNativeObject( env, obj );
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assert( widget );
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int x, y, w, h;
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widget->geometry().getRect(&x, &y, &w, &h);
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jclass cls = env->FindClass("java/awt/Rectangle");
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assert( cls != NULL);
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jmethodID mid = env->GetMethodID(cls, "<init>", "(IIII)V");
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assert( mid != NULL);
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jvalue values[4];
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values[0].i = (jint) x;
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values[1].i = (jint) y;
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values[2].i = (jint) w;
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values[3].i = (jint) h;
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return env->NewObjectA(cls, mid, values);
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}
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