Java example source code file (awt_Frame.cpp)
The awt_Frame.cpp Java example source code/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "awt_Toolkit.h"
#include "awt_Frame.h"
#include "awt_MenuBar.h"
#include "awt_Dialog.h"
#include "awt_IconCursor.h"
#include "awt_Win32GraphicsDevice.h"
#include "ComCtl32Util.h"
#include <windowsx.h>
#include <java_lang_Integer.h>
#include <sun_awt_windows_WEmbeddedFrame.h>
#include <sun_awt_windows_WEmbeddedFramePeer.h>
/* IMPORTANT! Read the README.JNI file for notes on JNI converted AWT code.
*/
/***********************************************************************/
// Struct for _SetState() method
struct SetStateStruct {
jobject frame;
jint state;
};
// Struct for _SetMaximizedBounds() method
struct SetMaximizedBoundsStruct {
jobject frame;
jint x, y;
jint width, height;
};
// Struct for _SetMenuBar() method
struct SetMenuBarStruct {
jobject frame;
jobject menubar;
};
// Struct for _SetIMMOption() method
struct SetIMMOptionStruct {
jobject frame;
jstring option;
};
// Struct for _SynthesizeWmActivate() method
struct SynthesizeWmActivateStruct {
jobject frame;
jboolean doActivate;
};
// Struct for _NotifyModalBlocked() method
struct NotifyModalBlockedStruct {
jobject frame;
jobject peer;
jobject blockerPeer;
jboolean blocked;
};
// Information about thread containing modal blocked embedded frames
struct BlockedThreadStruct {
int framesCount;
HHOOK mouseHook;
HHOOK modalHook;
};
/************************************************************************
* AwtFrame fields
*/
jfieldID AwtFrame::handleID;
jfieldID AwtFrame::undecoratedID;
jmethodID AwtFrame::getExtendedStateMID;
jmethodID AwtFrame::setExtendedStateMID;
jmethodID AwtFrame::activateEmbeddingTopLevelMID;
Hashtable AwtFrame::sm_BlockedThreads("AWTBlockedThreads");
/************************************************************************
* AwtFrame methods
*/
AwtFrame::AwtFrame() {
m_parentWnd = NULL;
menuBar = NULL;
m_isEmbedded = FALSE;
m_isLightweight = FALSE;
m_ignoreWmSize = FALSE;
m_isMenuDropped = FALSE;
m_isInputMethodWindow = FALSE;
m_isUndecorated = FALSE;
m_imeTargetComponent = NULL;
m_actualFocusedWindow = NULL;
m_iconic = FALSE;
m_zoomed = FALSE;
m_maxBoundsSet = FALSE;
m_forceResetZoomed = FALSE;
isInManualMoveOrSize = FALSE;
grabbedHitTest = 0;
}
AwtFrame::~AwtFrame()
{
}
void AwtFrame::Dispose()
{
AwtWindow::Dispose();
}
LPCTSTR AwtFrame::GetClassName() {
return AWT_FRAME_WINDOW_CLASS_NAME;
}
/*
* Create a new AwtFrame object and window.
*/
AwtFrame* AwtFrame::Create(jobject self, jobject parent)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
if (env->EnsureLocalCapacity(1) < 0) {
return NULL;
}
PDATA pData;
HWND hwndParent = NULL;
AwtFrame* frame;
jclass cls = NULL;
jclass inputMethodWindowCls = NULL;
jobject target = NULL;
try {
target = env->GetObjectField(self, AwtObject::targetID);
JNI_CHECK_NULL_GOTO(target, "target", done);
if (parent != NULL) {
JNI_CHECK_PEER_GOTO(parent, done);
{
AwtFrame* parent = (AwtFrame *)pData;
hwndParent = parent->GetHWnd();
}
}
frame = new AwtFrame();
{
/*
* A variation on Netscape's hack for embedded frames: the client
* area of the browser is a Java Frame for parenting purposes, but
* really a Windows child window
*/
BOOL isEmbeddedInstance = FALSE;
BOOL isEmbedded = FALSE;
cls = env->FindClass("sun/awt/EmbeddedFrame");
if (cls) {
isEmbeddedInstance = env->IsInstanceOf(target, cls);
}
INT_PTR handle;
if (isEmbeddedInstance) {
handle = static_cast<INT_PTR>(env->GetLongField(target, AwtFrame::handleID));
if (handle != 0) {
isEmbedded = TRUE;
}
}
frame->m_isEmbedded = isEmbedded;
BOOL isLightweight = FALSE;
cls = env->FindClass("sun/awt/LightweightFrame");
if (cls) {
isLightweight = env->IsInstanceOf(target, cls);
}
frame->m_isLightweight = isLightweight;
if (isEmbedded) {
hwndParent = (HWND)handle;
RECT rect;
::GetClientRect(hwndParent, &rect);
//Fix for 6328675: SWT_AWT.new_Frame doesn't occupy client area under JDK6
frame->m_isUndecorated = true;
/*
* Fix for BugTraq ID 4337754.
* Initialize m_peerObject before the first call
* to AwtFrame::GetClassName().
*/
frame->m_peerObject = env->NewGlobalRef(self);
frame->RegisterClass();
DWORD exStyle = WS_EX_NOPARENTNOTIFY;
if (GetRTL()) {
exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
if (GetRTLReadingOrder())
exStyle |= WS_EX_RTLREADING;
}
frame->m_hwnd = ::CreateWindowEx(exStyle,
frame->GetClassName(), TEXT(""),
WS_CHILD | WS_CLIPCHILDREN,
0, 0,
rect.right, rect.bottom,
hwndParent, NULL,
AwtToolkit::GetInstance().GetModuleHandle(),
NULL);
frame->LinkObjects(env, self);
frame->SubclassHWND();
// Update target's dimensions to reflect this embedded window.
::GetClientRect(frame->m_hwnd, &rect);
::MapWindowPoints(frame->m_hwnd, hwndParent, (LPPOINT)&rect, 2);
env->SetIntField(target, AwtComponent::xID, rect.left);
env->SetIntField(target, AwtComponent::yID, rect.top);
env->SetIntField(target, AwtComponent::widthID,
rect.right-rect.left);
env->SetIntField(target, AwtComponent::heightID,
rect.bottom-rect.top);
frame->InitPeerGraphicsConfig(env, self);
AwtToolkit::GetInstance().RegisterEmbedderProcessId(hwndParent);
} else if (isLightweight) {
frame->m_isUndecorated = true;
frame->m_peerObject = env->NewGlobalRef(self);
frame->RegisterClass();
DWORD exStyle = 0;
DWORD style = WS_POPUP;
frame->CreateHWnd(env, L"",
style,
exStyle,
0, 0, 0, 0,
0,
NULL,
::GetSysColor(COLOR_WINDOWTEXT),
::GetSysColor(COLOR_WINDOWFRAME),
self);
} else {
jint state = env->CallIntMethod(self, AwtFrame::getExtendedStateMID);
DWORD exStyle;
DWORD style;
// for input method windows, use minimal decorations
inputMethodWindowCls = env->FindClass("sun/awt/im/InputMethodWindow");
if ((inputMethodWindowCls != NULL) && env->IsInstanceOf(target, inputMethodWindowCls)) {
//for below-the-spot composition window, use no decoration
if (env->GetBooleanField(target, AwtFrame::undecoratedID) == JNI_TRUE){
exStyle = 0;
style = WS_POPUP|WS_CLIPCHILDREN;
frame->m_isUndecorated = TRUE;
} else {
exStyle = WS_EX_PALETTEWINDOW;
style = WS_CLIPCHILDREN;
}
frame->m_isInputMethodWindow = TRUE;
} else if (env->GetBooleanField(target, AwtFrame::undecoratedID) == JNI_TRUE) {
exStyle = 0;
style = WS_POPUP | WS_SYSMENU | WS_CLIPCHILDREN |
WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
if (state & java_awt_Frame_ICONIFIED) {
frame->setIconic(TRUE);
}
frame->m_isUndecorated = TRUE;
} else {
exStyle = WS_EX_WINDOWEDGE;
style = WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN;
if (state & java_awt_Frame_ICONIFIED) {
frame->setIconic(TRUE);
}
}
if (GetRTL()) {
exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
if (GetRTLReadingOrder())
exStyle |= WS_EX_RTLREADING;
}
jint x = env->GetIntField(target, AwtComponent::xID);
jint y = env->GetIntField(target, AwtComponent::yID);
jint width = env->GetIntField(target, AwtComponent::widthID);
jint height = env->GetIntField(target, AwtComponent::heightID);
frame->CreateHWnd(env, L"",
style,
exStyle,
0, 0, 0, 0,
hwndParent,
NULL,
::GetSysColor(COLOR_WINDOWTEXT),
::GetSysColor(COLOR_WINDOWFRAME),
self);
/*
* Reshape here instead of during create, so that a
* WM_NCCALCSIZE is sent.
*/
frame->Reshape(x, y, width, height);
}
}
} catch (...) {
env->DeleteLocalRef(target);
env->DeleteLocalRef(cls);
env->DeleteLocalRef(inputMethodWindowCls);
throw;
}
done:
env->DeleteLocalRef(target);
env->DeleteLocalRef(cls);
env->DeleteLocalRef(inputMethodWindowCls);
return frame;
}
LRESULT AwtFrame::ProxyWindowProc(UINT message, WPARAM wParam, LPARAM lParam, MsgRouting &mr)
{
LRESULT retValue = 0L;
AwtComponent *focusOwner = NULL;
AwtComponent *imeTargetComponent = NULL;
// IME and input language related messages need to be sent to a window
// which has the Java input focus
switch (message) {
case WM_IME_STARTCOMPOSITION:
case WM_IME_ENDCOMPOSITION:
case WM_IME_COMPOSITION:
case WM_IME_CONTROL:
case WM_IME_COMPOSITIONFULL:
case WM_IME_SELECT:
case WM_IME_CHAR:
case WM_IME_REQUEST:
case WM_IME_KEYDOWN:
case WM_IME_KEYUP:
case WM_INPUTLANGCHANGEREQUEST:
case WM_INPUTLANGCHANGE:
if (message == WM_IME_STARTCOMPOSITION) {
SetImeTargetComponent(sm_focusOwner);
}
imeTargetComponent = AwtComponent::GetComponent(GetImeTargetComponent());
if (imeTargetComponent != NULL &&
imeTargetComponent != this) // avoid recursive calls
{
retValue = imeTargetComponent->WindowProc(message, wParam, lParam);
mr = mrConsume;
}
if (message == WM_IME_ENDCOMPOSITION) {
SetImeTargetComponent(NULL);
}
break;
case WM_SETFOCUS:
if (sm_inSynthesizeFocus) break; // pass it up the WindowProc chain
if (!sm_suppressFocusAndActivation) {
if (IsLightweightFrame() || IsEmbeddedFrame()) {
AwtSetActiveWindow();
}
}
mr = mrConsume;
break;
case WM_KILLFOCUS:
if (sm_inSynthesizeFocus) break; // pass it up the WindowProc chain
if (!sm_suppressFocusAndActivation) {
if (IsLightweightFrame() || IsEmbeddedFrame()) {
HWND oppositeToplevelHWnd = AwtComponent::GetTopLevelParentForWindow((HWND)wParam);
if (oppositeToplevelHWnd != AwtComponent::GetFocusedWindow()) {
AwtWindow::SynthesizeWmActivate(FALSE, GetHWnd(), NULL);
}
}
} else if (sm_restoreFocusAndActivation) {
if (AwtComponent::GetFocusedWindow() != NULL) {
AwtWindow *focusedWindow = (AwtWindow*)GetComponent(AwtComponent::GetFocusedWindow());
if (focusedWindow != NULL) {
// Will just silently restore native focus & activation.
focusedWindow->AwtSetActiveWindow();
}
}
}
mr = mrConsume;
break;
case 0x0127: // WM_CHANGEUISTATE
case 0x0128: // WM_UPDATEUISTATE
mr = mrConsume;
break;
}
return retValue;
}
LRESULT AwtFrame::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
MsgRouting mr = mrDoDefault;
LRESULT retValue = 0L;
retValue = ProxyWindowProc(message, wParam, lParam, mr);
if (mr != mrConsume) {
retValue = AwtWindow::WindowProc(message, wParam, lParam);
}
return retValue;
}
MsgRouting AwtFrame::WmShowWindow(BOOL show, UINT status)
{
/*
* Fix for 6492970.
* When a non-focusable toplevel is shown alone the Java process
* is not foreground. If one shows another (focusable) toplevel
* the native platform not always makes it foreground (see the CR).
* Even worse, sometimes it sends the newly shown toplevel WM_ACTIVATE
* message. This breaks Java focus. To workaround the problem we
* set the toplevel being shown foreground programmatically.
* The fix is localized to non-foreground process case only.
* (See also: 6599270)
*/
if (!IsEmbeddedFrame() && show == TRUE && status == 0) {
HWND fgHWnd = ::GetForegroundWindow();
if (fgHWnd != NULL) {
DWORD fgProcessID;
::GetWindowThreadProcessId(fgHWnd, &fgProcessID);
if (fgProcessID != ::GetCurrentProcessId()) {
AwtWindow* window = (AwtWindow*)GetComponent(GetHWnd());
if (window != NULL && window->IsFocusableWindow() && window->IsAutoRequestFocus() &&
!::IsWindow(GetModalBlocker(GetHWnd())))
{
// When the Java process is not allowed to set the foreground window
// (see MSDN) the request below will just have no effect.
::SetForegroundWindow(GetHWnd());
}
}
}
}
return AwtWindow::WmShowWindow(show, status);
}
MsgRouting AwtFrame::WmMouseUp(UINT flags, int x, int y, int button) {
if (isInManualMoveOrSize) {
isInManualMoveOrSize = FALSE;
::ReleaseCapture();
return mrConsume;
}
return AwtWindow::WmMouseUp(flags, x, y, button);
}
MsgRouting AwtFrame::WmMouseMove(UINT flags, int x, int y) {
/**
* If this Frame is non-focusable then we should implement move and size operation for it by
* ourselfves because we don't dispatch appropriate mouse messages to default window procedure.
*/
if (!IsFocusableWindow() && isInManualMoveOrSize) {
DWORD curPos = ::GetMessagePos();
x = GET_X_LPARAM(curPos);
y = GET_Y_LPARAM(curPos);
RECT r;
::GetWindowRect(GetHWnd(), &r);
POINT mouseLoc = {x, y};
mouseLoc.x -= savedMousePos.x;
mouseLoc.y -= savedMousePos.y;
savedMousePos.x = x;
savedMousePos.y = y;
if (grabbedHitTest == HTCAPTION) {
::SetWindowPos(GetHWnd(), NULL, r.left+mouseLoc.x, r.top+mouseLoc.y,
r.right-r.left, r.bottom-r.top,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER);
} else {
switch (grabbedHitTest) {
case HTTOP:
r.top += mouseLoc.y;
break;
case HTBOTTOM:
r.bottom += mouseLoc.y;
break;
case HTRIGHT:
r.right += mouseLoc.x;
break;
case HTLEFT:
r.left += mouseLoc.x;
break;
case HTTOPLEFT:
r.left += mouseLoc.x;
r.top += mouseLoc.y;
break;
case HTTOPRIGHT:
r.top += mouseLoc.y;
r.right += mouseLoc.x;
break;
case HTBOTTOMLEFT:
r.left += mouseLoc.x;
r.bottom += mouseLoc.y;
break;
case HTBOTTOMRIGHT:
case HTSIZE:
r.right += mouseLoc.x;
r.bottom += mouseLoc.y;
break;
}
::SetWindowPos(GetHWnd(), NULL, r.left, r.top,
r.right-r.left, r.bottom-r.top,
SWP_NOACTIVATE | SWP_NOZORDER |
SWP_NOCOPYBITS | SWP_DEFERERASE);
}
return mrConsume;
} else {
return AwtWindow::WmMouseMove(flags, x, y);
}
}
MsgRouting AwtFrame::WmNcMouseUp(WPARAM hitTest, int x, int y, int button) {
if (!IsFocusableWindow() && (button & LEFT_BUTTON)) {
/*
* Fix for 6399659.
* The native system shouldn't activate the next window in z-order
* when minimizing non-focusable window.
*/
if (hitTest == HTMINBUTTON) {
::ShowWindow(GetHWnd(), SW_SHOWMINNOACTIVE);
return mrConsume;
}
/**
* If this Frame is non-focusable then we should implement move and size operation for it by
* ourselfves because we don't dispatch appropriate mouse messages to default window procedure.
*/
if ((button & DBL_CLICK) && hitTest == HTCAPTION) {
// Double click on caption - maximize or restore Frame.
if (IsResizable()) {
if (::IsZoomed(GetHWnd())) {
::ShowWindow(GetHWnd(), SW_SHOWNOACTIVATE);
} else {
::ShowWindow(GetHWnd(), SW_MAXIMIZE);
}
}
return mrConsume;
}
switch (hitTest) {
case HTMAXBUTTON:
if (IsResizable()) {
if (::IsZoomed(GetHWnd())) {
::ShowWindow(GetHWnd(), SW_SHOWNOACTIVATE);
} else {
::ShowWindow(GetHWnd(), SW_MAXIMIZE);
}
}
return mrConsume;
default:
return mrDoDefault;
}
}
return AwtWindow::WmNcMouseUp(hitTest, x, y, button);
}
MsgRouting AwtFrame::WmNcMouseDown(WPARAM hitTest, int x, int y, int button) {
// By Swing request, click on the Frame's decorations (even on
// grabbed Frame) should generate UngrabEvent
if (m_grabbedWindow != NULL/* && !m_grabbedWindow->IsOneOfOwnersOf(this)*/) {
m_grabbedWindow->Ungrab();
}
if (!IsFocusableWindow() && (button & LEFT_BUTTON)) {
switch (hitTest) {
case HTTOP:
case HTBOTTOM:
case HTLEFT:
case HTRIGHT:
case HTTOPLEFT:
case HTTOPRIGHT:
case HTBOTTOMLEFT:
case HTBOTTOMRIGHT:
case HTSIZE:
// Zoomed or non-resizable unfocusable frames should not be resizable.
if (isZoomed() || !IsResizable()) {
return mrConsume;
}
case HTCAPTION:
// We are going to perform default mouse action on non-client area of this window
// Grab mouse for this purpose and store coordinates for motion vector calculation
savedMousePos.x = x;
savedMousePos.y = y;
::SetCapture(GetHWnd());
isInManualMoveOrSize = TRUE;
grabbedHitTest = hitTest;
return mrConsume;
default:
return mrDoDefault;
}
}
return AwtWindow::WmNcMouseDown(hitTest, x, y, button);
}
// Override AwtWindow::Reshape() to handle minimized/maximized
// frames (see 6525850, 4065534)
void AwtFrame::Reshape(int x, int y, int width, int height)
{
if (isIconic()) {
// normal AwtComponent::Reshape will not work for iconified windows so...
WINDOWPLACEMENT wp;
POINT ptMinPosition = {x,y};
POINT ptMaxPosition = {0,0};
RECT rcNormalPosition = {x,y,x+width,y+height};
RECT rcWorkspace;
HWND hWndDesktop = GetDesktopWindow();
HWND hWndSelf = GetHWnd();
// SetWindowPlacement takes workspace coordinates, but
// if taskbar is at top of screen, workspace coords !=
// screen coords, so offset by workspace origin
VERIFY(::SystemParametersInfo(SPI_GETWORKAREA, 0, (PVOID)&rcWorkspace, 0));
::OffsetRect(&rcNormalPosition, -rcWorkspace.left, -rcWorkspace.top);
// set the window size for when it is not-iconified
wp.length = sizeof(wp);
wp.flags = WPF_SETMINPOSITION;
wp.showCmd = IsVisible() ? SW_SHOWMINIMIZED : SW_HIDE;
wp.ptMinPosition = ptMinPosition;
wp.ptMaxPosition = ptMaxPosition;
wp.rcNormalPosition = rcNormalPosition;
// If the call is not guarded with ignoreWmSize,
// a regression for bug 4851435 appears.
// Having this call guarded also prevents
// changing the iconified state of the frame
// while calling the Frame.setBounds() method.
m_ignoreWmSize = TRUE;
::SetWindowPlacement(hWndSelf, &wp);
m_ignoreWmSize = FALSE;
return;
}
if (isZoomed()) {
// setting size of maximized window, we remove the
// maximized state bit (matches Motif behaviour)
// (calling ShowWindow(SW_RESTORE) would fire an
// activation event which we don't want)
LONG style = GetStyle();
DASSERT(style & WS_MAXIMIZE);
style ^= WS_MAXIMIZE;
SetStyle(style);
}
AwtWindow::Reshape(x, y, width, height);
}
/* Show the frame in it's current state */
void
AwtFrame::Show()
{
m_visible = true;
HWND hwnd = GetHWnd();
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
if (IsLightweightFrame()) {
return;
}
DTRACE_PRINTLN3("AwtFrame::Show:%s%s%s",
m_iconic ? " iconic" : "",
m_zoomed ? " zoomed" : "",
m_iconic || m_zoomed ? "" : " normal");
BOOL locationByPlatform = env->GetBooleanField(GetTarget(env), AwtWindow::locationByPlatformID);
if (locationByPlatform) {
moveToDefaultLocation();
}
EnableTranslucency(TRUE);
BOOL autoRequestFocus = IsAutoRequestFocus();
if (m_iconic) {
if (m_zoomed) {
// This whole function could probably be rewritten to use
// ::SetWindowPlacement but MS docs doesn't tell if
// ::SetWindowPlacement is a proper superset of
// ::ShowWindow. So let's be conservative and only use it
// here, where we really do need it.
DTRACE_PRINTLN("AwtFrame::Show(SW_SHOWMINIMIZED, WPF_RESTORETOMAXIMIZED");
WINDOWPLACEMENT wp;
::ZeroMemory(&wp, sizeof(WINDOWPLACEMENT));
wp.length = sizeof(WINDOWPLACEMENT);
::GetWindowPlacement(hwnd, &wp);
if (!IsFocusableWindow() || !autoRequestFocus) {
wp.showCmd = SW_SHOWMINNOACTIVE;
} else {
wp.showCmd = SW_SHOWMINIMIZED;
}
wp.flags |= WPF_RESTORETOMAXIMIZED;
::SetWindowPlacement(hwnd, &wp);
}
else {
DTRACE_PRINTLN("AwtFrame::Show(SW_SHOWMINIMIZED)");
if (!IsFocusableWindow() || !autoRequestFocus) {
::ShowWindow(hwnd, SW_SHOWMINNOACTIVE);
} else {
::ShowWindow(hwnd, SW_SHOWMINIMIZED);
}
}
}
else if (m_zoomed) {
DTRACE_PRINTLN("AwtFrame::Show(SW_SHOWMAXIMIZED)");
if (!autoRequestFocus) {
m_filterFocusAndActivation = TRUE;
::ShowWindow(hwnd, SW_MAXIMIZE);
m_filterFocusAndActivation = FALSE;
} else if (!IsFocusableWindow()) {
::ShowWindow(hwnd, SW_MAXIMIZE);
} else {
::ShowWindow(hwnd, SW_SHOWMAXIMIZED);
}
}
else if (m_isInputMethodWindow) {
// Don't activate input methow window
DTRACE_PRINTLN("AwtFrame::Show(SW_SHOWNA)");
::ShowWindow(hwnd, SW_SHOWNA);
// After the input method window shown, we have to adjust the
// IME candidate window position. Here is why.
// Usually, when IMM opens the candidate window, it sends WM_IME_NOTIFY w/
// IMN_OPENCANDIDATE message to the awt component window. The
// awt component makes a Java call to acquire the text position
// in order to show the candidate window just below the input method window.
// However, by the time it acquires the position, the input method window
// hasn't been displayed yet, the position returned is just below
// the composed text and when the input method window is shown, it
// will hide part of the candidate list. To fix this, we have to
// adjust the candidate window position after the input method window
// is shown. See bug 5012944.
AdjustCandidateWindowPos();
}
else {
// Nor iconic, nor zoomed (handled above) - so use SW_RESTORE
// to show in "normal" state regardless of whatever stale
// state might the invisible window still has.
DTRACE_PRINTLN("AwtFrame::Show(SW_RESTORE)");
if (!IsFocusableWindow() || !autoRequestFocus) {
::ShowWindow(hwnd, SW_SHOWNOACTIVATE);
} else {
::ShowWindow(hwnd, SW_RESTORE);
}
}
}
void
AwtFrame::SendWindowStateEvent(int oldState, int newState)
{
SendWindowEvent(java_awt_event_WindowEvent_WINDOW_STATE_CHANGED,
NULL, oldState, newState);
}
void
AwtFrame::ClearMaximizedBounds()
{
m_maxBoundsSet = FALSE;
}
void AwtFrame::AdjustCandidateWindowPos()
{
// This method should only be called if the current frame
// is the input method window frame.
if (!m_isInputMethodWindow) {
return;
}
RECT inputWinRec, focusWinRec;
AwtComponent *comp = AwtComponent::GetComponent(AwtComponent::sm_focusOwner);
if (comp == NULL) {
return;
}
::GetWindowRect(GetHWnd(), &inputWinRec);
::GetWindowRect(sm_focusOwner, &focusWinRec);
LPARAM candType = comp->GetCandidateType();
HWND defaultIMEWnd = ::ImmGetDefaultIMEWnd(GetHWnd());
if (defaultIMEWnd == NULL) {
return;
}
UINT bits = 1;
// adjusts the candidate window position
for (int iCandType = 0; iCandType < 32; iCandType++, bits<<=1) {
if (candType & bits) {
CANDIDATEFORM cf;
cf.dwIndex = iCandType;
cf.dwStyle = CFS_CANDIDATEPOS;
// Since the coordinates are relative to the containing window,
// we have to calculate the coordinates as below.
cf.ptCurrentPos.x = inputWinRec.left - focusWinRec.left;
cf.ptCurrentPos.y = inputWinRec.bottom - focusWinRec.top;
// sends IMC_SETCANDIDATEPOS to IMM to move the candidate window.
::SendMessage(defaultIMEWnd, WM_IME_CONTROL, IMC_SETCANDIDATEPOS, (LPARAM)&cf);
}
}
}
void
AwtFrame::SetMaximizedBounds(int x, int y, int w, int h)
{
m_maxPos.x = x;
m_maxPos.y = y;
m_maxSize.x = w;
m_maxSize.y = h;
m_maxBoundsSet = TRUE;
}
MsgRouting AwtFrame::WmGetMinMaxInfo(LPMINMAXINFO lpmmi)
{
//Firstly call AwtWindow's function
MsgRouting r = AwtWindow::WmGetMinMaxInfo(lpmmi);
//Then replace maxPos & maxSize if necessary
if (!m_maxBoundsSet) {
return r;
}
if (m_maxPos.x != java_lang_Integer_MAX_VALUE)
lpmmi->ptMaxPosition.x = m_maxPos.x;
if (m_maxPos.y != java_lang_Integer_MAX_VALUE)
lpmmi->ptMaxPosition.y = m_maxPos.y;
if (m_maxSize.x != java_lang_Integer_MAX_VALUE)
lpmmi->ptMaxSize.x = m_maxSize.x;
if (m_maxSize.y != java_lang_Integer_MAX_VALUE)
lpmmi->ptMaxSize.y = m_maxSize.y;
return mrConsume;
}
MsgRouting AwtFrame::WmSize(UINT type, int w, int h)
{
currentWmSizeState = type;
if (currentWmSizeState == SIZE_MINIMIZED) {
UpdateSecurityWarningVisibility();
}
if (m_ignoreWmSize) {
return mrDoDefault;
}
DTRACE_PRINTLN6("AwtFrame::WmSize: %dx%d,%s visible, state%s%s%s",
w, h,
::IsWindowVisible(GetHWnd()) ? "" : " not",
m_iconic ? " iconic" : "",
m_zoomed ? " zoomed" : "",
m_iconic || m_zoomed ? "" : " normal");
BOOL iconify = type == SIZE_MINIMIZED;
// Note that zoom may be set to TRUE in several cases:
// 1. type == SIZE_MAXIMIZED means that either the user or
// the developer (via setExtendedState(MAXIMIZED_BOTH)
// maximizes the frame.
// 2. type == SIZE_MINIMIZED && isZoomed() means that a maximized
// frame is to be minimized. If the user minimizes a maximized
// frame, we need to keep the zoomed property TRUE. However,
// if the developer calls setExtendedState(ICONIFIED), i.e.
// w/o combining the ICONIFIED state with the MAXIMIZED state,
// we MUST RESET the zoomed property.
// The flag m_forceResetZoomed identifies the latter case.
BOOL zoom =
(
type == SIZE_MAXIMIZED
||
(type == SIZE_MINIMIZED && isZoomed())
)
&& !m_forceResetZoomed;
// Set the new state and send appropriate Java event
jint oldState = java_awt_Frame_NORMAL;
if (isIconic()) {
oldState |= java_awt_Frame_ICONIFIED;
}
if (isZoomed()) {
oldState |= java_awt_Frame_MAXIMIZED_BOTH;
}
jint newState = java_awt_Frame_NORMAL;
if (iconify) {
newState |= java_awt_Frame_ICONIFIED;
}
if (zoom) {
newState |= java_awt_Frame_MAXIMIZED_BOTH;
}
setIconic(iconify);
setZoomed(zoom);
jint changed = oldState ^ newState;
if (changed != 0) {
DTRACE_PRINTLN2("AwtFrame::WmSize: reporting state change %x -> %x",
oldState, newState);
// sync target with peer
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
env->CallVoidMethod(GetPeer(env), AwtFrame::setExtendedStateMID, newState);
// report (de)iconification to old clients
if (changed & java_awt_Frame_ICONIFIED) {
if (newState & java_awt_Frame_ICONIFIED) {
SendWindowEvent(java_awt_event_WindowEvent_WINDOW_ICONIFIED);
} else {
SendWindowEvent(java_awt_event_WindowEvent_WINDOW_DEICONIFIED);
}
}
// New (since 1.4) state change event
SendWindowStateEvent(oldState, newState);
}
// If window is in iconic state, do not send COMPONENT_RESIZED event
if (isIconic()) {
return mrDoDefault;
}
return AwtWindow::WmSize(type, w, h);
}
MsgRouting AwtFrame::WmActivate(UINT nState, BOOL fMinimized, HWND opposite)
{
jint type;
if (nState != WA_INACTIVE) {
if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd())) ||
CheckActivateActualFocusedWindow(opposite))
{
return mrConsume;
}
type = java_awt_event_WindowEvent_WINDOW_GAINED_FOCUS;
AwtComponent::SetFocusedWindow(GetHWnd());
} else {
if (!::IsWindow(AwtWindow::GetModalBlocker(opposite))) {
// If deactivation happens because of press on grabbing
// window - this is nonsense, since grabbing window is
// assumed to have focus and watch for deactivation. But
// this can happen - if grabbing window is proxied Window,
// with Frame keeping real focus for it.
if (m_grabbedWindow != NULL) {
if (m_grabbedWindow->GetHWnd() == opposite) {
// Do nothing
} else {
// Normally, we would rather check that this ==
// grabbed window, and focus is leaving it -
// ungrab. But since we know about proxied
// windows, we simply assume this is one of the
// known cases.
if (!m_grabbedWindow->IsOneOfOwnersOf((AwtWindow*)AwtComponent::GetComponent(opposite))) {
m_grabbedWindow->Ungrab();
}
}
}
CheckRetainActualFocusedWindow(opposite);
type = java_awt_event_WindowEvent_WINDOW_LOST_FOCUS;
AwtComponent::SetFocusedWindow(NULL);
sm_focusOwner = NULL;
}
}
SendWindowEvent(type, opposite);
return mrConsume;
}
BOOL AwtFrame::CheckActivateActualFocusedWindow(HWND deactivatedOpositeHWnd)
{
if (m_actualFocusedWindow != NULL) {
HWND hwnd = m_actualFocusedWindow->GetHWnd();
if (hwnd != NULL && ::IsWindowVisible(hwnd)) {
SynthesizeWmActivate(TRUE, hwnd, deactivatedOpositeHWnd);
return TRUE;
}
m_actualFocusedWindow = NULL;
}
return FALSE;
}
void AwtFrame::CheckRetainActualFocusedWindow(HWND activatedOpositeHWnd)
{
// If actual focused window is not this Frame
if (AwtComponent::GetFocusedWindow() != GetHWnd()) {
// Make sure the actual focused window is an owned window of this frame
AwtWindow *focusedWindow = (AwtWindow *)AwtComponent::GetComponent(AwtComponent::GetFocusedWindow());
if (focusedWindow != NULL && focusedWindow->GetOwningFrameOrDialog() == this) {
// Check that the opposite window is not this frame, nor an owned window of this frame
if (activatedOpositeHWnd != NULL) {
AwtWindow *oppositeWindow = (AwtWindow *)AwtComponent::GetComponent(activatedOpositeHWnd);
if (oppositeWindow && oppositeWindow != this &&
oppositeWindow->GetOwningFrameOrDialog() != this)
{
m_actualFocusedWindow = focusedWindow;
}
} else {
m_actualFocusedWindow = focusedWindow;
}
}
}
}
BOOL AwtFrame::AwtSetActiveWindow(BOOL isMouseEventCause, UINT hittest)
{
if (hittest == HTCLIENT) {
// Don't let the actualFocusedWindow to steal focus if:
// a) the frame is clicked in its client area;
// b) focus is requested to some of the frame's child.
m_actualFocusedWindow = NULL;
}
if (IsLightweightFrame()) {
return TRUE;
}
return AwtWindow::AwtSetActiveWindow(isMouseEventCause);
}
MsgRouting AwtFrame::WmEnterMenuLoop(BOOL isTrackPopupMenu)
{
if ( !isTrackPopupMenu ) {
m_isMenuDropped = TRUE;
}
return mrDoDefault;
}
MsgRouting AwtFrame::WmExitMenuLoop(BOOL isTrackPopupMenu)
{
if ( !isTrackPopupMenu ) {
m_isMenuDropped = FALSE;
}
return mrDoDefault;
}
AwtMenuBar* AwtFrame::GetMenuBar()
{
return menuBar;
}
void AwtFrame::SetMenuBar(AwtMenuBar* mb)
{
menuBar = mb;
if (mb == NULL) {
// Remove existing menu bar, if any.
::SetMenu(GetHWnd(), NULL);
} else {
if (menuBar->GetHMenu() != NULL) {
::SetMenu(GetHWnd(), menuBar->GetHMenu());
}
}
}
MsgRouting AwtFrame::WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT& drawInfo)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
// if the item to be redrawn is the menu bar, then do it
AwtMenuBar* awtMenubar = GetMenuBar();
if (drawInfo.CtlType == ODT_MENU && (awtMenubar != NULL) &&
(::GetMenu( GetHWnd() ) == (HMENU)drawInfo.hwndItem) )
{
awtMenubar->DrawItem(drawInfo);
return mrConsume;
}
return AwtComponent::WmDrawItem(ctrlId, drawInfo);
}
MsgRouting AwtFrame::WmMeasureItem(UINT ctrlId, MEASUREITEMSTRUCT& measureInfo)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
AwtMenuBar* awtMenubar = GetMenuBar();
if ((measureInfo.CtlType == ODT_MENU) && (awtMenubar != NULL))
{
// AwtMenu instance is stored in itemData. Use it to check if this
// menu is the menu bar.
AwtMenu * pMenu = (AwtMenu *) measureInfo.itemData;
DASSERT(pMenu != NULL);
if ( pMenu == awtMenubar )
{
HWND hWnd = GetHWnd();
HDC hDC = ::GetDC(hWnd);
DASSERT(hDC != NULL);
awtMenubar->MeasureItem(hDC, measureInfo);
VERIFY(::ReleaseDC(hWnd, hDC));
return mrConsume;
}
}
return AwtComponent::WmMeasureItem(ctrlId, measureInfo);
}
MsgRouting AwtFrame::WmGetIcon(WPARAM iconType, LRESULT& retVal)
{
//Workaround windows bug:
//when reseting from specific icon to class icon
//taskbar is not updated
if (iconType <= 2 /*ICON_SMALL2*/) {
retVal = (LRESULT)GetEffectiveIcon(iconType);
return mrConsume;
} else {
return mrDoDefault;
}
}
void AwtFrame::DoUpdateIcon()
{
//Workaround windows bug:
//when reseting from specific icon to class icon
//taskbar is not updated
HICON hIcon = GetEffectiveIcon(ICON_BIG);
HICON hIconSm = GetEffectiveIcon(ICON_SMALL);
SendMessage(WM_SETICON, ICON_BIG, (LPARAM)hIcon);
SendMessage(WM_SETICON, ICON_SMALL, (LPARAM)hIconSm);
}
HICON AwtFrame::GetEffectiveIcon(int iconType)
{
BOOL smallIcon = ((iconType == ICON_SMALL) || (iconType == 2/*ICON_SMALL2*/));
HICON hIcon = (smallIcon) ? GetHIconSm() : GetHIcon();
if (hIcon == NULL) {
hIcon = (smallIcon) ? AwtToolkit::GetInstance().GetAwtIconSm() :
AwtToolkit::GetInstance().GetAwtIcon();
}
return hIcon;
}
static BOOL keepOnMinimize(jobject peer) {
static BOOL checked = FALSE;
static BOOL keep = FALSE;
if (!checked) {
keep = (JNU_GetStaticFieldByName(AwtToolkit::GetEnv(), NULL,
"sun/awt/windows/WFramePeer", "keepOnMinimize", "Z").z) == JNI_TRUE;
checked = TRUE;
}
return keep;
}
MsgRouting AwtFrame::WmSysCommand(UINT uCmdType, int xPos, int yPos)
{
// ignore any WM_SYSCOMMAND if this window is blocked by modal dialog
if (::IsWindow(AwtWindow::GetModalBlocker(GetHWnd()))) {
return mrConsume;
}
if (uCmdType == (SYSCOMMAND_IMM & 0xFFF0)){
JNIEnv* env = AwtToolkit::GetEnv();
JNU_CallMethodByName(env, NULL, m_peerObject,
"notifyIMMOptionChange", "()V");
DASSERT(!safe_ExceptionOccurred(env));
return mrConsume;
}
if ((uCmdType == SC_MINIMIZE) && keepOnMinimize(m_peerObject)) {
::ShowWindow(GetHWnd(),SW_SHOWMINIMIZED);
return mrConsume;
}
return AwtWindow::WmSysCommand(uCmdType, xPos, yPos);
}
LRESULT AwtFrame::WinThreadExecProc(ExecuteArgs * args)
{
switch( args->cmdId ) {
case FRAME_SETMENUBAR:
{
jobject mbPeer = (jobject)args->param1;
// cancel any currently dropped down menus
if (m_isMenuDropped) {
SendMessage(WM_CANCELMODE);
}
if (mbPeer == NULL) {
// Remove existing menu bar, if any
SetMenuBar(NULL);
} else {
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
AwtMenuBar* menuBar = (AwtMenuBar *)JNI_GET_PDATA(mbPeer);
SetMenuBar(menuBar);
}
DrawMenuBar();
break;
}
default:
AwtWindow::WinThreadExecProc(args);
break;
}
return 0L;
}
void AwtFrame::_SynthesizeWmActivate(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SynthesizeWmActivateStruct *sas = (SynthesizeWmActivateStruct *)param;
jobject self = sas->frame;
jboolean doActivate = sas->doActivate;
AwtFrame *frame = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
frame = (AwtFrame *)pData;
SynthesizeWmActivate(doActivate, frame->GetHWnd(), NULL);
ret:
env->DeleteGlobalRef(self);
delete sas;
}
jobject AwtFrame::_GetBoundsPrivate(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
jobject result = NULL;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
RECT rect;
::GetWindowRect(f->GetHWnd(), &rect);
HWND parent = ::GetParent(f->GetHWnd());
if (::IsWindow(parent))
{
POINT zero;
zero.x = 0;
zero.y = 0;
::ClientToScreen(parent, &zero);
::OffsetRect(&rect, -zero.x, -zero.y);
}
result = JNU_NewObjectByName(env, "java/awt/Rectangle", "(IIII)V",
rect.left, rect.top, rect.bottom-rect.top, rect.right-rect.left);
}
ret:
env->DeleteGlobalRef(self);
if (result != NULL)
{
jobject resultGlobalRef = env->NewGlobalRef(result);
env->DeleteLocalRef(result);
return resultGlobalRef;
}
else
{
return NULL;
}
}
void AwtFrame::_SetState(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetStateStruct *sss = (SetStateStruct *)param;
jobject self = sss->frame;
jint state = sss->state;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
HWND hwnd = f->GetHWnd();
if (::IsWindow(hwnd))
{
DASSERT(!IsBadReadPtr(f, sizeof(AwtFrame)));
BOOL iconify = (state & java_awt_Frame_ICONIFIED) != 0;
BOOL zoom = (state & java_awt_Frame_MAXIMIZED_BOTH)
== java_awt_Frame_MAXIMIZED_BOTH;
DTRACE_PRINTLN4("WFramePeer.setState:%s%s ->%s%s",
f->isIconic() ? " iconic" : "",
f->isZoomed() ? " zoomed" : "",
iconify ? " iconic" : "",
zoom ? " zoomed" : "");
if (::IsWindowVisible(hwnd)) {
BOOL focusable = f->IsFocusableWindow();
WINDOWPLACEMENT wp;
::ZeroMemory(&wp, sizeof(wp));
wp.length = sizeof(wp);
::GetWindowPlacement(hwnd, &wp);
// Iconify first.
// If both iconify & zoom are TRUE, handle this case
// with wp.flags field below.
if (iconify) {
wp.showCmd = focusable ? SW_MINIMIZE : SW_SHOWMINNOACTIVE;
} else if (zoom) {
wp.showCmd = focusable ? SW_SHOWMAXIMIZED : SW_MAXIMIZE;
} else { // zoom == iconify == FALSE
wp.showCmd = focusable ? SW_RESTORE : SW_SHOWNOACTIVATE;
}
if (zoom && iconify) {
wp.flags |= WPF_RESTORETOMAXIMIZED;
} else {
wp.flags &= ~WPF_RESTORETOMAXIMIZED;
}
if (!zoom) {
f->m_forceResetZoomed = TRUE;
}
// The SetWindowPlacement() causes the WmSize() invocation
// which, in turn, actually updates the m_iconic & m_zoomed flags
// as well as sends Java event (WINDOW_STATE_CHANGED.)
::SetWindowPlacement(hwnd, &wp);
f->m_forceResetZoomed = FALSE;
} else {
DTRACE_PRINTLN(" not visible, just recording the requested state");
f->setIconic(iconify);
f->setZoomed(zoom);
}
}
ret:
env->DeleteGlobalRef(self);
delete sss;
}
jint AwtFrame::_GetState(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
jint result = java_awt_Frame_NORMAL;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
DASSERT(!::IsBadReadPtr(f, sizeof(AwtFrame)));
if (f->isIconic()) {
result |= java_awt_Frame_ICONIFIED;
}
if (f->isZoomed()) {
result |= java_awt_Frame_MAXIMIZED_BOTH;
}
DTRACE_PRINTLN2("WFramePeer.getState:%s%s",
f->isIconic() ? " iconic" : "",
f->isZoomed() ? " zoomed" : "");
}
ret:
env->DeleteGlobalRef(self);
return result;
}
void AwtFrame::_SetMaximizedBounds(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetMaximizedBoundsStruct *smbs = (SetMaximizedBoundsStruct *)param;
jobject self = smbs->frame;
int x = smbs->x;
int y = smbs->y;
int width = smbs->width;
int height = smbs->height;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
DASSERT(!::IsBadReadPtr(f, sizeof(AwtFrame)));
f->SetMaximizedBounds(x, y, width, height);
}
ret:
env->DeleteGlobalRef(self);
delete smbs;
}
void AwtFrame::_ClearMaximizedBounds(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject self = (jobject)param;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
DASSERT(!::IsBadReadPtr(f, sizeof(AwtFrame)));
f->ClearMaximizedBounds();
}
ret:
env->DeleteGlobalRef(self);
}
void AwtFrame::_SetMenuBar(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetMenuBarStruct *smbs = (SetMenuBarStruct *)param;
jobject self = smbs->frame;
jobject menubar = smbs->menubar;
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
ExecuteArgs args;
args.cmdId = FRAME_SETMENUBAR;
args.param1 = (LPARAM)menubar;
f->WinThreadExecProc(&args);
}
ret:
env->DeleteGlobalRef(self);
env->DeleteGlobalRef(menubar);
delete smbs;
}
void AwtFrame::_SetIMMOption(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
SetIMMOptionStruct *sios = (SetIMMOptionStruct *)param;
jobject self = sios->frame;
jstring option = sios->option;
int badAlloc = 0;
LPCTSTR coption;
LPCTSTR empty = TEXT("InputMethod");
AwtFrame *f = NULL;
PDATA pData;
JNI_CHECK_PEER_GOTO(self, ret);
JNI_CHECK_NULL_GOTO(option, "IMMOption argument", ret);
f = (AwtFrame *)pData;
if (::IsWindow(f->GetHWnd()))
{
coption = JNU_GetStringPlatformChars(env, option, NULL);
if (coption == NULL)
{
badAlloc = 1;
}
if (!badAlloc)
{
HMENU hSysMenu = ::GetSystemMenu(f->GetHWnd(), FALSE);
::AppendMenu(hSysMenu, MF_STRING, SYSCOMMAND_IMM, coption);
if (coption != empty)
{
JNU_ReleaseStringPlatformChars(env, option, coption);
}
}
}
ret:
env->DeleteGlobalRef(self);
env->DeleteGlobalRef(option);
delete sios;
if (badAlloc)
{
throw std::bad_alloc();
}
}
void AwtFrame::_NotifyModalBlocked(void *param)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
NotifyModalBlockedStruct *nmbs = (NotifyModalBlockedStruct *)param;
jobject self = nmbs->frame;
jobject peer = nmbs->peer;
jobject blockerPeer = nmbs->blockerPeer;
jboolean blocked = nmbs->blocked;
PDATA pData;
pData = JNI_GET_PDATA(peer);
AwtFrame *f = (AwtFrame *)pData;
// dialog here may be NULL, for example, if the blocker is a native dialog
// however, we need to install/unistall modal hooks anyway
pData = JNI_GET_PDATA(blockerPeer);
AwtDialog *d = (AwtDialog *)pData;
if ((f != NULL) && ::IsWindow(f->GetHWnd()))
{
// get an HWND of the toplevel window this embedded frame is within
HWND fHWnd = f->GetHWnd();
while (::GetParent(fHWnd) != NULL) {
fHWnd = ::GetParent(fHWnd);
}
// we must get a toplevel hwnd here, however due to some strange
// behaviour of Java Plugin (a bug?) when running in IE at
// this moment the embedded frame hasn't been placed into the
// browser yet and fHWnd is not a toplevel, so we shouldn't install
// the hook here
if ((::GetWindowLong(fHWnd, GWL_STYLE) & WS_CHILD) == 0) {
// if this toplevel is created in another thread, we should install
// the modal hook into it to track window activation and mouse events
DWORD fThread = ::GetWindowThreadProcessId(fHWnd, NULL);
if (fThread != AwtToolkit::GetInstance().MainThread()) {
// check if this thread has been already blocked
BlockedThreadStruct *blockedThread = (BlockedThreadStruct *)sm_BlockedThreads.get((void *)fThread);
if (blocked) {
if (blockedThread == NULL) {
blockedThread = new BlockedThreadStruct;
blockedThread->framesCount = 1;
blockedThread->modalHook = ::SetWindowsHookEx(WH_CBT, (HOOKPROC)AwtDialog::ModalFilterProc,
0, fThread);
blockedThread->mouseHook = ::SetWindowsHookEx(WH_MOUSE, (HOOKPROC)AwtDialog::MouseHookProc_NonTT,
0, fThread);
sm_BlockedThreads.put((void *)fThread, blockedThread);
} else {
blockedThread->framesCount++;
}
} else {
// see the comment above: if Java Plugin behaviour when running in IE
// was right, blockedThread would be always not NULL here
if (blockedThread != NULL) {
DASSERT(blockedThread->framesCount > 0);
if ((blockedThread->framesCount) == 1) {
::UnhookWindowsHookEx(blockedThread->modalHook);
::UnhookWindowsHookEx(blockedThread->mouseHook);
sm_BlockedThreads.remove((void *)fThread);
delete blockedThread;
} else {
blockedThread->framesCount--;
}
}
}
}
}
}
env->DeleteGlobalRef(self);
env->DeleteGlobalRef(peer);
env->DeleteGlobalRef(blockerPeer);
delete nmbs;
}
/************************************************************************
* WFramePeer native methods
*/
extern "C" {
/*
* Class: java_awt_Frame
* Method: initIDs
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_java_awt_Frame_initIDs(JNIEnv *env, jclass cls)
{
TRY;
AwtFrame::undecoratedID = env->GetFieldID(cls,"undecorated","Z");
DASSERT(AwtFrame::undecoratedID != NULL);
CATCH_BAD_ALLOC;
}
/*
* Class: sun_awt_windows_WFramePeer
* Method: initIDs
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_sun_awt_windows_WFramePeer_initIDs(JNIEnv *env, jclass cls)
{
TRY;
AwtFrame::setExtendedStateMID = env->GetMethodID(cls, "setExtendedState", "(I)V");
AwtFrame::getExtendedStateMID = env->GetMethodID(cls, "getExtendedState", "()I");
DASSERT(AwtFrame::setExtendedStateMID);
DASSERT(AwtFrame::getExtendedStateMID);
CATCH_BAD_ALLOC;
}
/*
* Class: sun_awt_windows_WFramePeer
* Method: setState
* Signature: (I)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_windows_WFramePeer_setState(JNIEnv *env, jobject self,
jint state)
{
TRY;
SetStateStruct *sss = new SetStateStruct;
sss->frame = env->NewGlobalRef(self);
sss->state = state;
AwtToolkit::GetInstance().SyncCall(AwtFrame::_SetState, sss);
// global ref and sss are deleted in _SetState()
CATCH_BAD_ALLOC;
}
/*
* Class: sun_awt_windows_WFramePeer
* Method: getState
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_windows_WFramePeer_getState(JNIEnv *env, jobject self)
{
TRY;
jobject selfGlobalRef = env->NewGlobalRef(self);
return static_cast<jint>(reinterpret_cast
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