| /* |
| * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| #ifdef HEADLESS |
| #error This file should not be included in headless library |
| #endif |
| |
| #include "awt_p.h" |
| |
| #include <X11/Xproto.h> |
| #include <X11/Xlib.h> |
| #include <X11/Xatom.h> |
| #include <Xm/MwmUtil.h> |
| |
| /* JNI headers */ |
| #include "java_awt_Frame.h" /* for frame state constants */ |
| |
| #include "awt_wm.h" |
| #include "awt_util.h" /* for X11 error handling macros */ |
| #include "awt_xembed.h" |
| #include "awt_MToolkit.h" |
| #include "awt_DataTransferer.h" /* for DECLARE_XXX macros */ |
| |
| #ifdef DOTRACE |
| #define MTRACE(param) fprintf(myerr, param) |
| #define MTRACEP1(format, p1) fprintf(myerr, format, p1) |
| #define MTRACEP2(format, p1, p2) fprintf(myerr, format, p1, p2) |
| #define MTRACEP3(format, p1, p2, p3) fprintf(myerr, format, p1, p2, p3) |
| #define MTRACEP4(format, p1, p2, p3, p4) fprintf(myerr, format, p1, p2, p3, p4) |
| #define MTRACEP5(format, p1, p2, p3, p4, p5) fprintf(myerr, format, p1, p2, p3, p4, p5) |
| #define MTRACEP6(format, p1, p2, p3, p4, p5, p6) fprintf(myerr, format, p1, p2, p3, p4, p5, p6) |
| #define MTRACEP7(format, p1, p2, p3, p4, p5, p6, p7) fprintf(myerr, format, p1, p2, p3, p4, p5, p6, p7) |
| #else |
| #define MTRACE(param) |
| #define MTRACEP1(format, p1) |
| #define MTRACEP2(format, p1, p2) |
| #define MTRACEP3(format, p1, p2, p3) |
| #define MTRACEP4(format, p1, p2, p3, p4) |
| #define MTRACEP5(format, p1, p2, p3, p4, p5) |
| #define MTRACEP6(format, p1, p2, p3, p4, p5, p6) |
| #define MTRACEP7(format, p1, p2, p3, p4, p5, p6, p7) |
| #endif |
| |
| #ifdef DOTRACE |
| static FILE* myerr; |
| #endif |
| |
| static Window getParent(Window window); |
| static Window getEmbedder(Window client); |
| static jmethodID handleFocusInMID; |
| |
| const char * error_msg = "UNKNOWN XEMBED MESSAGE"; |
| |
| const char * xembed_strs[] = { |
| "EMBEDDED_NOTIFY", |
| "WINDOW_ACTIVATE", |
| "WINDOW_DEACTIVATE", |
| "REQUEST_FOCUS", |
| "FOCUS_IN", |
| "FOCUS_OUT", |
| "FOCUS_NEXT", |
| "FOCUS_PREV" , |
| "GRAB_KEY", |
| "UNGRAB_KEY", |
| "MODALITY_ON" , |
| "MODALITY_OFF", |
| "REGISTER_ACCELERATOR", |
| "UNREGISTER_ACCELERATOR", |
| "ACTIVATE_ACCELERATOR" |
| }; |
| |
| const char * |
| msg_to_str(int msg) { |
| if (msg >= 0 && msg <= XEMBED_LAST_MSG) { |
| return xembed_strs[msg]; |
| } else { |
| return error_msg; |
| } |
| } |
| |
| DECLARE_JAVA_CLASS(MEmbeddedFramePeerClass, "sun/awt/motif/MEmbeddedFramePeer"); |
| |
| typedef struct _xembed_info { |
| CARD32 version; |
| CARD32 flags; |
| } xembed_info; |
| |
| typedef struct _xembed_data { |
| struct FrameData * wdata; // pointer to EmbeddedFrame wdata |
| Window client; // pointer to plugin intermediate widget, XEmbed client |
| Boolean active; // whether xembed is active for this client |
| Boolean applicationActive; // whether the embedding application is active |
| Window embedder; // Window ID of the embedder |
| struct _xembed_data * next; |
| } xembed_data, * pxembed_data; |
| |
| static pxembed_data xembed_list = NULL; |
| |
| static pxembed_data |
| getData(Window client) { |
| pxembed_data temp = xembed_list; |
| while (temp != NULL) { |
| if (temp->client == client) { |
| return temp; |
| } |
| temp = temp->next; |
| } |
| return NULL; |
| } |
| |
| static pxembed_data |
| getDataByFrame(struct FrameData* wdata) { |
| pxembed_data temp = xembed_list; |
| while (temp != NULL) { |
| if (temp->wdata == wdata) { |
| return temp; |
| } |
| temp = temp->next; |
| } |
| return NULL; |
| } |
| |
| static pxembed_data |
| addData(Window client) { |
| xembed_data * data = malloc(sizeof(xembed_data)); |
| memset(data, 0, sizeof(xembed_data)); |
| data->client = client; |
| data->next = xembed_list; |
| xembed_list = data; |
| return data; |
| } |
| |
| static void |
| removeData(Window client) { |
| pxembed_data * temp = &xembed_list; |
| while (*temp != NULL) { |
| if ((*temp)->client == client) { |
| xembed_data * data = *temp; |
| *temp = (*temp)->next; |
| free(data); |
| return; |
| } |
| temp = &(*temp)->next; |
| } |
| } |
| |
| static Atom XA_XEmbedInfo; |
| static Atom XA_XEmbed; |
| |
| void |
| init_xembed() { |
| XA_XEmbedInfo = XInternAtom(awt_display, "_XEMBED_INFO", False); |
| XA_XEmbed = XInternAtom(awt_display, "_XEMBED", False); |
| #ifdef DOTRACE |
| myerr = fopen("xembedclient.log","w"); |
| #endif |
| } |
| |
| static Time |
| getCurrentServerTime() { |
| return awt_util_getCurrentServerTime(); |
| } |
| |
| |
| void |
| sendMessageHelper(Window window, int message, long detail, |
| long data1, long data2) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| XEvent ev; |
| XClientMessageEvent * req = (XClientMessageEvent*)&ev; |
| memset(&ev, 0, sizeof(ev)); |
| |
| req->type = ClientMessage; |
| req->window = window; |
| req->message_type = XA_XEmbed; |
| req->format = 32; |
| req->data.l[0] = getCurrentServerTime(); |
| req->data.l[1] = message; |
| req->data.l[2] = detail; |
| req->data.l[3] = data1; |
| req->data.l[4] = data2; |
| AWT_LOCK(); |
| XSendEvent(awt_display, window, False, NoEventMask, &ev); |
| AWT_UNLOCK(); |
| } |
| |
| void |
| sendMessage(Window window, int message) { |
| sendMessageHelper(window, message, 0, 0, 0); |
| } |
| |
| |
| static Window |
| getParent(Window window) { |
| Window root, parent = None, *children = NULL; |
| unsigned int count; |
| XQueryTree(awt_display, window, &root, &parent, &children, &count); |
| if (children != NULL) { |
| XFree(children); |
| } |
| return parent; |
| } |
| |
| static Window |
| getEmbedder(Window client) { |
| return getParent(client); |
| } |
| |
| |
| static void |
| handleFocusIn(struct FrameData* wdata, int detail) { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| struct WidgetInfo* winfo; |
| MTRACE("HandleFocusIn\n"); |
| winfo = findWidgetInfo(wdata->winData.comp.widget); |
| if (winfo != NULL) { |
| jobject peer = winfo->peer; |
| if (handleFocusInMID == NULL) { |
| jclass clazz = (*env)->FindClass(env, "sun/awt/motif/MEmbeddedFramePeer"); |
| DASSERT(clazz != NULL); |
| handleFocusInMID = (*env)->GetMethodID(env, clazz, "handleFocusIn", "(I)V"); |
| DASSERT(handleFocusInMID != NULL); |
| if (clazz != NULL) { |
| (*env)->DeleteLocalRef(env, clazz); |
| } |
| } |
| if (handleFocusInMID != NULL) { |
| (*env)->CallVoidMethod(env, peer, handleFocusInMID, (jint)detail); |
| } |
| } |
| } |
| |
| static void |
| genWindowFocus(struct FrameData *wdata, Boolean gain) { |
| XEvent ev; |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| memset(&ev, 0, sizeof(ev)); |
| |
| ev.type = (gain?FocusIn:FocusOut); |
| ev.xany.send_event = True; |
| ev.xany.display = awt_display; |
| ev.xfocus.mode = NotifyNormal; |
| ev.xfocus.detail = NotifyNonlinear; |
| ev.xfocus.window = XtWindow(wdata->winData.shell); |
| awt_put_back_event(env, &ev); |
| } |
| |
| extern Boolean skipNextFocusIn; |
| |
| static void |
| callNotifyStarted(JNIEnv* env, jobject peer) { |
| DECLARE_VOID_JAVA_METHOD(notifyStartedMID, MEmbeddedFramePeerClass, |
| "notifyStarted", "()V"); |
| |
| (*env)->CallVoidMethod(env, peer, notifyStartedMID); |
| } |
| |
| void |
| xembed_eventHandler(XEvent *event) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| struct FrameData *wdata; |
| xembed_data * data; |
| |
| data = getData(event->xany.window); |
| if (data == NULL) { |
| MTRACEP1("No XEMBED client registered for this window %x\n", event->xany.window); |
| if (event->xany.type == ClientMessage) { |
| MTRACEP7("Unprocessed handleClientMessage: type=%d 0=%ld 1=%ld(%s) 2=%ld 3=%ld 4=%ld\n", |
| event->xclient.message_type, event->xclient.data.l[0], |
| event->xclient.data.l[1], msg_to_str(event->xclient.data.l[1]), |
| event->xclient.data.l[2], |
| event->xclient.data.l[3], event->xclient.data.l[4]); |
| } |
| return; |
| } |
| |
| wdata = data->wdata; |
| |
| if (event->xany.type == ClientMessage) { |
| MTRACEP6("handleClientMessage: type=%d 0=%ld 1=%ld 2=%ld 3=%ld 4=%ld\n", |
| event->xclient.message_type, event->xclient.data.l[0], |
| event->xclient.data.l[1], event->xclient.data.l[2], |
| event->xclient.data.l[3], event->xclient.data.l[4]); |
| // Probably a message from embedder |
| if (event->xclient.message_type == XA_XEmbed) { |
| // XEmbed message, data[1] contains message |
| switch ((int)event->xclient.data.l[1]) { |
| case XEMBED_EMBEDDED_NOTIFY: |
| MTRACE("EMBEDDED_NOTIFY\n"); |
| data->active = True; |
| data->embedder = getEmbedder(data->client); |
| // If Frame has not been reparented already we should "reparent" |
| // it manually |
| if (!(wdata->reparented)) { |
| wdata->reparented = True; |
| // in XAWT we also update WM_NORMAL_HINTS here. |
| } |
| { |
| struct WidgetInfo* winfo = |
| findWidgetInfo(wdata->winData.comp.widget); |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_4); |
| if (winfo != NULL) { |
| callNotifyStarted(env, winfo->peer); |
| } |
| } |
| MTRACE("Embedded notify in client\n"); |
| break; |
| case XEMBED_WINDOW_DEACTIVATE: |
| MTRACE("DEACTIVATE\n"); |
| data->applicationActive = False; |
| break; |
| case XEMBED_WINDOW_ACTIVATE: |
| MTRACE("ACTIVATE\n"); |
| data->applicationActive = True; |
| break; |
| case XEMBED_FOCUS_IN: |
| MTRACE("FOCUS IN\n"); |
| skipNextFocusIn = False; |
| handleFocusIn(wdata, (int)(event->xclient.data.l[2])); |
| genWindowFocus(wdata, True); |
| break; |
| case XEMBED_FOCUS_OUT: |
| MTRACE("FOCUS OUT\n"); |
| genWindowFocus(wdata, False); |
| break; |
| } |
| } |
| } else if (event->xany.type == ReparentNotify) { |
| data->embedder = event->xreparent.parent; |
| } |
| } |
| |
| void |
| notify_ready(Window client) { |
| sendMessage(getEmbedder(client), _SUN_XEMBED_START); |
| } |
| |
| void |
| install_xembed(Widget client_widget, struct FrameData* wdata) { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| xembed_info info = {XEMBED_VERSION, XEMBED_MAPPED}; |
| Window client = XtWindow(client_widget); |
| xembed_data * data; |
| |
| AWT_LOCK(); |
| data = addData(client); |
| data->wdata = wdata; |
| |
| // Install event handler for messages from embedder |
| XSelectInput(awt_display, client, StructureNotifyMask); |
| |
| // Install XEMBED_INFO information |
| XChangeProperty(awt_display, client, XA_XEmbedInfo, |
| XA_XEmbedInfo, 32, PropModeReplace, |
| (unsigned char*)&info, 2); |
| MTRACE("Installing xembed\n"); |
| |
| notify_ready(client); |
| |
| AWT_UNLOCK(); |
| } |
| |
| void |
| deinstall_xembed(struct FrameData* wdata) { |
| xembed_data * data = getDataByFrame(wdata); |
| |
| if (data != NULL) { |
| removeData(data->client); |
| } |
| } |
| |
| void |
| requestXEmbedFocus(struct FrameData * wdata) { |
| xembed_data * data = getDataByFrame(wdata); |
| |
| if (data != NULL) { |
| if (data->active && data->applicationActive) { |
| sendMessage(data->embedder, XEMBED_REQUEST_FOCUS); |
| } |
| } |
| } |
| |
| Boolean |
| isXEmbedActive(struct FrameData * wdata) { |
| xembed_data * data = getDataByFrame(wdata); |
| return (data != NULL && data->active); |
| } |
| |
| Boolean |
| isXEmbedActiveByWindow(Window client) { |
| xembed_data * data = getData(client); |
| return (data != NULL && data->active); |
| } |
| |
| |
| Boolean |
| isXEmbedApplicationActive(struct FrameData * wdata) { |
| xembed_data * data = getDataByFrame(wdata); |
| return (data != NULL && data->applicationActive); |
| } |
| |
| void |
| xembed_traverse_out(struct FrameData * wdata, jboolean direction) { |
| xembed_data * data = getDataByFrame(wdata); |
| sendMessage(data->embedder, (direction == JNI_TRUE)?XEMBED_FOCUS_NEXT:XEMBED_FOCUS_PREV); |
| } |