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;
}
// 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);
}