bundles/org.eclipse.swt.win32.win32.x86_64/library/swt_awt.c

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2016 IBM Corporation and others.
   3  *
   4  * This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License 2.0
   6  * which accompanies this distribution, and is available at
   7  * https://www.eclipse.org/legal/epl-2.0/
   8  *
   9  * SPDX-License-Identifier: EPL-2.0
  10  *
  11  * Contributors:
  12  *    IBM Corporation - initial API and implementation
  13  *******************************************************************************/
  14
  15 #include "swt.h"
  16 #include "jawt_md.h"
  17
  18 #define SWT_AWT_NATIVE(func) Java_org_eclipse_swt_awt_SWT_1AWT_##func
  19
  20 #ifndef NO_getAWTHandle
  21 JNIEXPORT jintLong JNICALL SWT_AWT_NATIVE(getAWTHandle)
  22         (JNIEnv *env, jclass that, jobject canvas)
  23 {
  24         JAWT awt;
  25         JAWT_DrawingSurface* ds;
  26         JAWT_DrawingSurfaceInfo* dsi;
  27         JAWT_Win32DrawingSurfaceInfo* dsi_win;
  28         jintLong result = 0;
  29         jint lock;
  30
  31         awt.version = JAWT_VERSION_1_3;
  32         if (JAWT_GetAWT(env, &awt) != 0) {
  33                 ds = awt.GetDrawingSurface(env, canvas);
  34                 if (ds != NULL) {
  35                         lock = ds->Lock(ds);
  36                         if ((lock & JAWT_LOCK_ERROR) == 0) {
  37                                 dsi = ds->GetDrawingSurfaceInfo(ds);
  38                                 dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
  39                                 result = (jintLong)dsi_win->hwnd;
  40                                 ds->FreeDrawingSurfaceInfo(dsi);
  41                                 ds->Unlock(ds);
  42                         }
  43                 }
  44                 awt.FreeDrawingSurface(ds);
  45         }
  46         return result;
  47 }
  48 #endif
  49
  50 #ifndef NO_initFrame
  51 JNIEXPORT jobject JNICALL SWT_AWT_NATIVE(initFrame)
  52         (JNIEnv *env, jclass that, jintLong handle, jstring className)
  53 {
  54         jobject object;
  55         jmethodID constructor;
  56
  57         jclass cls = (*env)->FindClass(env, "sun/awt/windows/WEmbeddedFrame");
  58         if (NULL == cls) return NULL;
  59         constructor = (*env)->GetMethodID(env, cls, "<init>", "(J)V");
  60         object = (*env)->NewObject(env, cls, constructor, handle);
  61         return object;
  62 }
  63 #endif
  64
  65 #ifndef NO_synthesizeWindowActivation
  66 JNIEXPORT void JNICALL SWT_AWT_NATIVE(synthesizeWindowActivation)
  67 (JNIEnv *env, jclass that, jobject frame, jboolean doActivate)
  68 {
  69         jmethodID midInit;
  70     jclass cls = (*env)->FindClass(env, "sun/awt/windows/WEmbeddedFrame");
  71     if (NULL == cls) return;
  72     midInit = (*env)->GetMethodID(env, cls, "synthesizeWindowActivation", "(Z)V");
  73     (*env)->CallVoidMethod(env, frame, midInit, doActivate);
  74 }
  75 #endif