nsresult os2FrameWindow::SetSizeMode(int32_t aMode)
{
int32_t previousMode;
mOwner->GetSizeMode(&previousMode);
// save the new state
nsresult rv = mOwner->nsBaseWidget::SetSizeMode(aMode);
if (!NS_SUCCEEDED(rv)) {
return rv;
}
// Minimized windows would get restored involuntarily if we fired an
// NS_ACTIVATE when the user clicks on them. Instead, we defer the
// activation event until the window has explicitly been restored.
if (previousMode == nsSizeMode_Minimized && previousMode != aMode) {
DEBUGFOCUS(deferred NS_ACTIVATE);
ActivateTopLevelWidget();
}
ULONG ulStyle = WinQueryWindowULong(mFrameWnd, QWL_STYLE);
switch (aMode) {
case nsSizeMode_Normal:
if (ulStyle & (WS_MAXIMIZED | WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, 0, 0, 0, 0, 0, SWP_RESTORE);
}
break;
case nsSizeMode_Minimized:
if (!(ulStyle & WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, HWND_BOTTOM, 0, 0, 0, 0,
SWP_MINIMIZE | SWP_ZORDER | SWP_DEACTIVATE);
}
break;
case nsSizeMode_Maximized:
// Don't permit the window to be maximized when in
// fullscreen mode because it won't be restored correctly.
if (!(ulStyle & WS_MAXIMIZED) && !mChromeHidden) {
WinSetWindowPos(mFrameWnd, HWND_TOP, 0, 0, 0, 0,
SWP_MAXIMIZE | SWP_ZORDER);
}
break;
// 'nsSizeMode_Fullscreen' is defined but isn't used (as of v1.9.3)
case nsSizeMode_Fullscreen:
default:
break;
}
return NS_OK;
}
void os2FrameWindow::ActivateTopLevelWidget()
{
// Don't fire event if we're minimized or else the window will
// be restored as soon as the user clicks on it. When the user
// explicitly restores it, SetSizeMode() will call this method.
if (mNeedActivation) {
if (mOwner->SizeMode() != nsSizeMode_Minimized) {
mNeedActivation = false;
DEBUGFOCUS(NS_ACTIVATE);
mOwner->DispatchActivationEvent(NS_ACTIVATE);
}
}
return;
}
void nsFrameWindow::ActivateTopLevelWidget()
{
// Don't fire event if we're minimized or else the window will
// be restored as soon as the user clicks on it. When the user
// explicitly restores it, SetSizeMode() will call this method.
if (mNeedActivation) {
PRInt32 sizeMode;
GetSizeMode(&sizeMode);
if (sizeMode != nsSizeMode_Minimized) {
mNeedActivation = PR_FALSE;
DEBUGFOCUS(NS_ACTIVATE);
DispatchFocus(NS_ACTIVATE);
}
}
return;
}
nsresult os2FrameWindow::SetSizeMode(PRInt32 aMode)
{
PRInt32 previousMode;
mOwner->GetSizeMode(&previousMode);
// save the new state
nsresult rv = mOwner->nsBaseWidget::SetSizeMode(aMode);
// Minimized windows would get restored involuntarily if we fired an
// NS_ACTIVATE when the user clicks on them. Instead, we defer the
// activation event until the window has explicitly been restored.
if (previousMode == nsSizeMode_Minimized && previousMode != aMode) {
DEBUGFOCUS(deferred NS_ACTIVATE);
ActivateTopLevelWidget();
}
// nothing to do in these cases
if (!NS_SUCCEEDED(rv) || !mChromeHidden || aMode == nsSizeMode_Maximized) {
return rv;
}
ULONG ulStyle = WinQueryWindowULong(mFrameWnd, QWL_STYLE);
// act on the request if the frame isn't already in the requested state
if (aMode == nsSizeMode_Minimized) {
if (!(ulStyle & WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, HWND_BOTTOM, 0, 0, 0, 0,
SWP_MINIMIZE | SWP_ZORDER | SWP_DEACTIVATE);
}
} else
if (ulStyle & (WS_MAXIMIZED | WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, 0, 0, 0, 0, 0, SWP_RESTORE);
}
return NS_OK;
}
HWND os2FrameWindow::CreateFrameWindow(nsWindow* aParent,
HWND aParentWnd,
const nsIntRect& aRect,
nsWindowType aWindowType,
nsBorderStyle aBorderStyle)
{
// Create a frame window with a MozillaWindowClass window as its client.
HWND hClient;
uint32_t fcfFlags = GetFCFlags(aWindowType, aBorderStyle);
mFrameWnd = WinCreateStdWindow(HWND_DESKTOP,
0,
(ULONG*)&fcfFlags,
kWindowClassName,
"Title",
WS_CLIPCHILDREN,
NULLHANDLE,
0,
&hClient);
if (!mFrameWnd) {
return 0;
}
// Hide from the Window List until shown.
SetWindowListVisibility(false);
// This prevents a modal dialog from being covered by its disabled parent.
if (aParentWnd != HWND_DESKTOP) {
WinSetOwner(mFrameWnd, aParentWnd);
}
// Get the frame control HWNDs for use by fullscreen mode.
mTitleBar = WinWindowFromID(mFrameWnd, FID_TITLEBAR);
mSysMenu = WinWindowFromID(mFrameWnd, FID_SYSMENU);
mMinMax = WinWindowFromID(mFrameWnd, FID_MINMAX);
// Calc the size of a frame needed to contain a client area of the
// specified width & height. Without this, eWindowType_dialog windows
// will be truncated (toplevel windows will still display correctly).
RECTL rcl = {0, 0, aRect.width, aRect.height};
WinCalcFrameRect(mFrameWnd, &rcl, FALSE);
mFrameBounds = nsIntRect(aRect.x, aRect.y,
rcl.xRight-rcl.xLeft, rcl.yTop-rcl.yBottom);
// Move & resize the frame.
int32_t pmY = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN)
- mFrameBounds.y - mFrameBounds.height;
WinSetWindowPos(mFrameWnd, 0, mFrameBounds.x, pmY,
mFrameBounds.width, mFrameBounds.height,
SWP_SIZE | SWP_MOVE);
// Store the client's bounds. For windows with resizable borders,
// the width includes the width of the frame controls (minmax, etc.).
SWP swp;
WinQueryWindowPos(hClient, &swp);
mOwner->SetBounds(nsIntRect(swp.x, mFrameBounds.height - swp.y - swp.cy,
swp.cx, swp.cy));
// Subclass the frame.
mPrevFrameProc = WinSubclassWindow(mFrameWnd, fnwpFrame);
WinSetWindowPtr(mFrameWnd, QWL_USER, this);
DEBUGFOCUS(Create os2FrameWindow);
return hClient;
}
MRESULT os2FrameWindow::ProcessFrameMessage(ULONG msg, MPARAM mp1, MPARAM mp2)
{
MRESULT mresult = 0;
bool isDone = false;
switch (msg) {
case WM_WINDOWPOSCHANGED: {
PSWP pSwp = (PSWP)mp1;
// Don't save the new position or size of a minimized
// window, or else it won't be restored correctly.
if (pSwp->fl & SWP_MOVE && !(pSwp->fl & SWP_MINIMIZE)) {
POINTL ptl = { pSwp->x, pSwp->y + pSwp->cy };
ptl.y = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - ptl.y;
mFrameBounds.x = ptl.x;
mFrameBounds.y = ptl.y;
mOwner->DispatchMoveEvent(ptl.x, ptl.y);
}
// Save the frame's bounds, then call the default wndproc
// so the client can handle its WM_WINDOWPOSCHANGED msg now.
if (pSwp->fl & SWP_SIZE && !(pSwp->fl & SWP_MINIMIZE)) {
mFrameBounds.width = pSwp->cx;
mFrameBounds.height = pSwp->cy;
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
isDone = true;
}
if (pSwp->fl & (SWP_MAXIMIZE | SWP_MINIMIZE | SWP_RESTORE)) {
if (mOwner->mWidgetListener) {
nsSizeMode mode;
if (pSwp->fl & SWP_MAXIMIZE) {
mode = nsSizeMode_Maximized;
} else if (pSwp->fl & SWP_MINIMIZE) {
mode = nsSizeMode_Minimized;
} else {
mode = nsSizeMode_Normal;
}
mOwner->mWidgetListener->SizeModeChanged(mode);
}
}
break;
}
// A frame window in kiosk/fullscreen mode must have its frame
// controls reattached before it's minimized & detached after it's
// restored. If this doesn't happen at the correct times, clicking
// on the icon won't restore it, the sysmenu will have the wrong
// items, and/or the minmax button will have the wrong buttons.
case WM_ADJUSTWINDOWPOS:
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_MINIMIZE) {
WinSetParent(mTitleBar, mFrameWnd, TRUE);
WinSetParent(mSysMenu, mFrameWnd, TRUE);
WinSetParent(mMinMax, mFrameWnd, TRUE);
}
break;
case WM_ADJUSTFRAMEPOS:
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_RESTORE) {
WinSetParent(mTitleBar, HWND_OBJECT, TRUE);
WinSetParent(mSysMenu, HWND_OBJECT, TRUE);
WinSetParent(mMinMax, HWND_OBJECT, TRUE);
}
break;
case WM_DESTROY:
DEBUGFOCUS(frame WM_DESTROY);
WinSubclassWindow(mFrameWnd, mPrevFrameProc);
WinSetWindowPtr(mFrameWnd, QWL_USER, 0);
break;
case WM_INITMENU:
// If we are in fullscreen/kiosk mode, disable maximize menu item.
if (mChromeHidden &&
SHORT1FROMMP(mp1) == SC_SYSMENU &&
WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
MENUITEM menuitem;
WinSendMsg(WinWindowFromID(mFrameWnd, FID_SYSMENU), MM_QUERYITEM,
MPFROM2SHORT(SC_SYSMENU, FALSE), MPARAM(&menuitem));
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
WinEnableMenuItem(menuitem.hwndSubMenu, SC_MAXIMIZE, FALSE);
isDone = true;
}
break;
case WM_SYSCOMMAND:
// If we are in fullscreen/kiosk mode, don't honor maximize requests.
if (mChromeHidden &&
SHORT1FROMMP(mp1) == SC_MAXIMIZE &&
WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
isDone = true;
}
break;
// When the frame is activated, set a flag to be acted on after
// PM has finished changing focus. When deactivated, dispatch
// the event immediately because it doesn't affect the focus.
case WM_ACTIVATE:
DEBUGFOCUS(WM_ACTIVATE);
if (mp1) {
mNeedActivation = true;
} else {
mNeedActivation = false;
DEBUGFOCUS(NS_DEACTIVATE);
mOwner->DispatchActivationEvent(false);
// Prevent the frame from automatically focusing any window
// when it's reactivated. Let moz set the focus to avoid
// having non-widget children of plugins focused in error.
WinSetWindowULong(mFrameWnd, QWL_HWNDFOCUSSAVE, 0);
}
break;
}
if (!isDone) {
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
}
return mresult;
}
// Called in the PM thread.
void nsFrameWindow::RealDoCreate( HWND hwndP, nsWindow *aParent,
const nsIntRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIAppShell *aAppShell,
nsWidgetInitData *aInitData, HWND hwndO)
{
nsIntRect rect = aRect;
if( aParent) // Offset rect by position of owner
{
nsIntRect clientRect;
aParent->GetBounds(rect);
aParent->GetClientBounds(clientRect);
rect.x += aRect.x + clientRect.x;
rect.y += aRect.y + clientRect.y;
rect.width = aRect.width;
rect.height = aRect.height;
hwndP = aParent->GetMainWindow();
rect.y = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - (rect.y + rect.height);
}
else // Use original rect, no owner window
{
rect = aRect;
rect.y = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - (aRect.y + aRect.height);
}
#if DEBUG_sobotka
printf("\nIn nsFrameWindow::RealDoCreate:\n");
printf(" hwndP = %lu\n", hwndP);
printf(" aParent = 0x%lx\n", &aParent);
printf(" aRect = %ld, %ld, %ld, %ld\n", aRect.x, aRect.y, aRect.height, aRect.width);
#endif
ULONG fcfFlags = GetFCFlags();
ULONG style = WindowStyle();
if( aInitData)
{
if( aInitData->clipChildren)
style |= WS_CLIPCHILDREN;
#if 0
//
// Windows has a slightly different idea of what the implications are
// of a window having or not having the CLIPSIBLINGS style.
// All 'canvas' components we create must have clipsiblings, or
// strange things happen & performance actually degrades.
//
else
style &= ~WS_CLIPCHILDREN;
#endif
if( aInitData->clipSiblings)
style |= WS_CLIPSIBLINGS;
else
style &= ~WS_CLIPSIBLINGS;
}
#ifdef DEBUG_FOCUS
mWindowIdentifier = currentWindowIdentifier;
currentWindowIdentifier++;
if (aInitData && (aInitData->mWindowType == eWindowType_toplevel))
DEBUGFOCUS(Create Frame Window);
else
DEBUGFOCUS(Create Window);
#endif
mFrameWnd = WinCreateStdWindow( HWND_DESKTOP,
0,
&fcfFlags,
WindowClass(),
"Title",
style,
NULLHANDLE,
0,
&mWnd);
/* Because WinCreateStdWindow doesn't take an owner, we have to set it */
if (hwndP)
WinSetOwner(mFrameWnd, hwndP);
/* Set some HWNDs and style into properties for fullscreen mode */
HWND hwndTitleBar = WinWindowFromID(mFrameWnd, FID_TITLEBAR);
WinSetProperty(mFrameWnd, "hwndTitleBar", (PVOID)hwndTitleBar, 0);
HWND hwndSysMenu = WinWindowFromID(mFrameWnd, FID_SYSMENU);
WinSetProperty(mFrameWnd, "hwndSysMenu", (PVOID)hwndSysMenu, 0);
HWND hwndMinMax = WinWindowFromID(mFrameWnd, FID_MINMAX);
WinSetProperty(mFrameWnd, "hwndMinMax", (PVOID)hwndMinMax, 0);
SetWindowListVisibility( PR_FALSE); // Hide from Window List until shown
NS_ASSERTION( mFrameWnd, "Couldn't create frame");
// Frames have a minimum height based on the pieces they are created with,
// such as titlebar, menubar, frame borders, etc. We need this minimum
// height so we can correctly set the frame position (coordinate flipping).
nsIntRect frameRect = rect;
long minheight;
if ( fcfFlags & FCF_SIZEBORDER) {
minheight = 2 * WinQuerySysValue( HWND_DESKTOP, SV_CYSIZEBORDER);
}
else if ( fcfFlags & FCF_DLGBORDER) {
minheight = 2 * WinQuerySysValue( HWND_DESKTOP, SV_CYDLGFRAME);
}
else {
minheight = 2 * WinQuerySysValue( HWND_DESKTOP, SV_CYBORDER);
}
if ( fcfFlags & FCF_TITLEBAR) {
minheight += WinQuerySysValue( HWND_DESKTOP, SV_CYTITLEBAR);
}
if ( frameRect.height < minheight) {
frameRect.height = minheight;
}
// Set up parent data - don't addref to avoid circularity
mParent = nsnull;
// Make sure we have a device context from somewhere
if( aContext)
{
mContext = aContext;
NS_ADDREF(mContext);
}
else
{
nsresult rc;
static NS_DEFINE_IID(kDeviceContextCID, NS_DEVICE_CONTEXT_CID);
rc = CallCreateInstance(kDeviceContextCID, &mContext);
if( NS_SUCCEEDED(rc))
mContext->Init(this);
#ifdef DEBUG
else
printf( "Couldn't find DC instance for nsWindow\n");
#endif
}
// Record bounds. This is XP, the rect of the entire main window in
// parent space. Returned by GetBounds().
// NB: We haven't subclassed yet, so callbacks to change mBounds won't
// have happened!
mBounds = frameRect;
mBounds.height = frameRect.height;
// Record passed in things
mEventCallback = aHandleEventFunction;
if( mParent)
mParent->AddChild( this);
// call the event callback to notify about creation
DispatchStandardEvent( NS_CREATE );
SubclassWindow(TRUE);
PostCreateWidget();
// Subclass frame
fnwpDefFrame = WinSubclassWindow( mFrameWnd, fnwpFrame);
WinSetWindowPtr( mFrameWnd, QWL_USER, this);
WinSetWindowPos(mFrameWnd, 0, frameRect.x, frameRect.y, frameRect.width, frameRect.height, SWP_SIZE | SWP_MOVE);
}
// Process messages from the frame
MRESULT nsFrameWindow::FrameMessage( ULONG msg, MPARAM mp1, MPARAM mp2)
{
MRESULT mresult = 0;
BOOL bDone = FALSE;
switch (msg)
{
case WM_WINDOWPOSCHANGED:
{
PSWP pSwp = (PSWP) mp1;
// Note that client windows never get 'move' messages (well, they won't here anyway)
if( pSwp->fl & SWP_MOVE && !(pSwp->fl & SWP_MINIMIZE))
{
// These commented-out `-1's cancel each other out.
POINTL ptl = { pSwp->x, pSwp->y + pSwp->cy /* - 1 */ };
ptl.y = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - ptl.y /* - 1*/ ;
mBounds.x = ptl.x;
mBounds.y = ptl.y;
OnMove( ptl.x, ptl.y);
}
// When the frame is sized, do stuff to recalculate client size.
if( pSwp->fl & SWP_SIZE && !(pSwp->fl & SWP_MINIMIZE))
{
mresult = (*fnwpDefFrame)( mFrameWnd, msg, mp1, mp2);
bDone = TRUE;
mBounds.width = pSwp->cx;
mBounds.height = pSwp->cy;
UpdateClientSize();
DispatchResizeEvent( mSizeClient.width, mSizeClient.height);
}
if (pSwp->fl & (SWP_MAXIMIZE | SWP_MINIMIZE | SWP_RESTORE)) {
nsSizeModeEvent event(PR_TRUE, NS_SIZEMODE, this);
if (pSwp->fl & SWP_MAXIMIZE)
event.mSizeMode = nsSizeMode_Maximized;
else if (pSwp->fl & SWP_MINIMIZE)
event.mSizeMode = nsSizeMode_Minimized;
else
event.mSizeMode = nsSizeMode_Normal;
InitEvent(event);
DispatchWindowEvent(&event);
}
break;
}
// a frame window in kiosk/fullscreen mode must have its frame
// controls reattached before it's minimized & detached after it's
// restored; if this doesn't happen at the correct times, clicking
// on the icon won't restore it, the sysmenu will have the wrong
// items, and/or the minmax button will have the wrong buttons
case WM_ADJUSTWINDOWPOS:
{
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_MINIMIZE) {
HWND hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndMinMax");
if (hwndTemp)
WinSetParent(hwndTemp, mFrameWnd, TRUE);
hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndTitleBar");
if (hwndTemp)
WinSetParent(hwndTemp, mFrameWnd, TRUE);
hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndSysMenu");
if (hwndTemp)
WinSetParent(hwndTemp, mFrameWnd, TRUE);
}
break;
}
case WM_ADJUSTFRAMEPOS:
{
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_RESTORE) {
HWND hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndSysMenu");
if (hwndTemp)
WinSetParent(hwndTemp, HWND_OBJECT, TRUE);
hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndTitleBar");
if (hwndTemp)
WinSetParent(hwndTemp, HWND_OBJECT, TRUE);
hwndTemp = (HWND)WinQueryProperty(mFrameWnd, "hwndMinMax");
if (hwndTemp)
WinSetParent(hwndTemp, HWND_OBJECT, TRUE);
}
break;
}
case WM_DESTROY:
DEBUGFOCUS(frame WM_DESTROY);
WinSubclassWindow( mFrameWnd, fnwpDefFrame);
WinSetWindowPtr( mFrameWnd, QWL_USER, 0);
WinRemoveProperty(mFrameWnd, "hwndTitleBar");
WinRemoveProperty(mFrameWnd, "hwndSysMenu");
WinRemoveProperty(mFrameWnd, "hwndMinMax");
WinRemoveProperty(mFrameWnd, "ulStyle");
break;
case WM_INITMENU:
/* If we are in fullscreen/kiosk mode, disable maximize menu item */
if (mChromeHidden) {
if (WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
if (SHORT1FROMMP(mp1) == SC_SYSMENU) {
MENUITEM menuitem;
WinSendMsg(WinWindowFromID(mFrameWnd, FID_SYSMENU), MM_QUERYITEM, MPFROM2SHORT(SC_SYSMENU, FALSE), MPARAM(&menuitem));
mresult = (*fnwpDefFrame)( mFrameWnd, msg, mp1, mp2);
WinEnableMenuItem(menuitem.hwndSubMenu, SC_MAXIMIZE, FALSE);
bDone = TRUE;
}
}
}
break;
case WM_SYSCOMMAND:
/* If we are in fullscreen/kiosk mode, don't honor maximize requests */
if (mChromeHidden) {
if (WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
if ((SHORT1FROMMP(mp1) == SC_MAXIMIZE))
{
bDone = TRUE;
}
}
}
break;
// When the frame is activated, set a flag to be acted on after
// PM has finished changing focus. When deactivated, dispatch
// the event immediately because it doesn't affect the focus.
case WM_ACTIVATE:
DEBUGFOCUS(WM_ACTIVATE);
if (mp1) {
mNeedActivation = PR_TRUE;
} else {
mNeedActivation = PR_FALSE;
DEBUGFOCUS(NS_DEACTIVATE);
DispatchFocus(NS_DEACTIVATE);
// Prevent the frame from automatically focusing any window
// when it's reactivated. Let moz set the focus to avoid
// having non-widget children of plugins focused in error.
WinSetWindowULong(mFrameWnd, QWL_HWNDFOCUSSAVE, 0);
}
break;
}
if( !bDone)
mresult = (*fnwpDefFrame)( mFrameWnd, msg, mp1, mp2);
return mresult;
}
