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Factored CreateWindow code into CreateMainWindow and CreateChildWindow code.

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This commit is contained in:
kmcclusk 1998-07-10 21:26:46 +00:00
parent b00270bebb
commit 84a4a6dfe1
2 changed files with 192 additions and 1 deletions
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176
widget/src/motif/nsWindow.cpp
View File

@ -277,6 +277,180 @@ void nsWindow::InitDeviceContext(nsIDeviceContext *aContext,
}
void nsWindow::CreateGC()
{
// Create a Writeable GC for this Widget. Unfortunatley,
// the Window for the Widget is not created properly at this point and
// we Need the GC prior to the Rendering Context getting created, so
// we create a small dummy window of the default depth as our dummy Drawable
// to create a compatible GC
if (nsnull == mGC) {
XGCValues values;
Window w;
Display * d = XtDisplay(mWidget);
w = ::XCreateSimpleWindow(d,
RootWindow(d,DefaultScreen(d)),
0,0,1,1,0,
BlackPixel(d,DefaultScreen(d)),
WhitePixel(d,DefaultScreen(d)));
mGC = ::XCreateGC(d, w, nsnull, &values);
::XDestroyWindow(d,w);
}
}
void nsWindow::CreateMainWindow(nsNativeWidget aNativeParent,
nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData)
{
Widget mainWindow = 0, frame = 0;
mBounds = aRect;
InitToolkit(aToolkit, aWidgetParent);
// save the event callback function
mEventCallback = aHandleEventFunction;
InitDeviceContext(aContext, (Widget)aInitData);
Widget frameParent = 0;
if (gFirstTopLevelWindow == 0) {
mainWindow = ::XtVaCreateManagedWidget("mainWindow",
xmMainWindowWidgetClass,
(Widget)aInitData,
nsnull);
gFirstTopLevelWindow = mainWindow;
}
else {
Widget shell = ::XtVaCreatePopupShell(" ",
xmDialogShellWidgetClass,
(Widget)aInitData, 0);
XtVaSetValues(shell,
XmNwidth, aRect.width, XmNheight, aRect.height, nsnull);
mainWindow = ::XtVaCreateManagedWidget("mainWindow",
xmMainWindowWidgetClass,
shell,
nsnull);
XtVaSetValues(mainWindow, XmNwidth, aRect.width, XmNheight, aRect.height, nsnull);
}
frame = ::XtVaCreateManagedWidget("frame",
xmDrawingAreaWidgetClass,
mainWindow,
XmNwidth, aRect.width,
XmNheight, aRect.height,
XmNmarginHeight, 0,
XmNmarginWidth, 0,
nsnull);
mWidget = frame ;
if (mainWindow) {
XmMainWindowSetAreas(mainWindow, nsnull, nsnull, nsnull, nsnull, frame);
}
if (aWidgetParent) {
aWidgetParent->AddChild(this);
}
// Force cursor to default setting
mCursor = eCursor_select;
SetCursor(eCursor_standard);
InitCallbacks();
XtAddCallback(mWidget,
XmNresizeCallback,
nsXtWidget_Resize_Callback,
this);
CreateGC();
}
void nsWindow::CreateChildWindow(nsNativeWidget aNativeParent,
nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData)
{
mBounds = aRect;
InitToolkit(aToolkit, aWidgetParent);
// save the event callback function
mEventCallback = aHandleEventFunction;
InitDeviceContext(aContext, (Widget)aNativeParent);
mWidget = ::XtVaCreateManagedWidget("frame",
xmDrawingAreaWidgetClass,
(Widget)aNativeParent,
XmNwidth, aRect.width,
XmNheight, aRect.height,
XmNmarginHeight, 0,
XmNmarginWidth, 0,
nsnull);
if (aWidgetParent) {
aWidgetParent->AddChild(this);
}
// Force cursor to default setting
mCursor = eCursor_select;
SetCursor(eCursor_standard);
InitCallbacks();
XtAddCallback(mWidget,
XmNresizeCallback,
nsXtWidget_Resize_Callback,
this);
CreateGC();
}
//-------------------------------------------------------------------------
//
// Create a window.
//
// Note: aNativeParent is always non-null if aWidgetParent is non-null.
// aNativeaParent is set regardless if the parent for the Create() was an
// nsIWidget or a Native widget.
// aNativeParent is equal to aWidgetParent->GetNativeData(NS_NATIVE_WIDGET)
//-------------------------------------------------------------------------
void nsWindow::CreateWindow(nsNativeWidget aNativeParent,
nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData)
{
if (0==aNativeParent)
CreateMainWindow(aNativeParent, aWidgetParent, aRect, aHandleEventFunction, aContext, aToolkit, aInitData);
else
CreateChildWindow(aNativeParent, aWidgetParent, aRect, aHandleEventFunction, aContext, aToolkit, aInitData);
}
#if 0
//-------------------------------------------------------------------------
//
// Create a window.
@ -403,7 +577,7 @@ void nsWindow::CreateWindow(nsNativeWidget aNativeParent,
}
}
#endif
//-------------------------------------------------------------------------

17
widget/src/motif/nsWindow.h
View File

@ -137,6 +137,8 @@ public:
char gInstanceClassName[256];
protected:
void InitCallbacks(char * aName = nsnull);
void CreateGC();
void CreateWindow(nsNativeWidget aNativeParent, nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
@ -144,6 +146,21 @@ protected:
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData);
void CreateMainWindow(nsNativeWidget aNativeParent, nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData);
void CreateChildWindow(nsNativeWidget aNativeParent, nsIWidget *aWidgetParent,
const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData);
void InitToolkit(nsIToolkit *aToolkit, nsIWidget * aWidgetParent);
void InitDeviceContext(nsIDeviceContext *aContext, Widget aWidgetParent);