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