Initial revision

1 files changed, 796 insertions, 0 deletions

diff --git a/win/tkWinWindow.c b/win/tkWinWindow.c
new file mode 100644
index 0000000..2b8eb41
--- /dev/null
+++ b/win/tkWinWindow.c
@@ -0,0 +1,796 @@
+/* 
+ * tkWinWindow.c --
+ *
+ *	Xlib emulation routines for Windows related to creating,
+ *	displaying and destroying windows.
+ *
+ * Copyright (c) 1995 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * SCCS: @(#) tkWinWindow.c 1.23 97/07/01 18:14:13
+ */
+
+#include "tkWinInt.h"
+
+/*
+ * The windowTable maps from HWND to Tk_Window handles.
+ */
+
+static Tcl_HashTable windowTable;
+
+/*
+ * Have statics in this module been initialized?
+ */
+
+static int initialized = 0;
+
+/*
+ * Forward declarations for procedures defined in this file:
+ */
+
+static void		NotifyVisibility _ANSI_ARGS_((XEvent *eventPtr,
+			    TkWindow *winPtr));
+static void 		StackWindow _ANSI_ARGS_((Window w, Window sibling,
+			    int stack_mode));
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_AttachHWND --
+ *
+ *	This function binds an HWND and a reflection procedure to
+ *	the specified Tk_Window. 
+ *
+ * Results:
+ *	Returns an X Window that encapsulates the HWND.
+ *
+ * Side effects:
+ *	May allocate a new X Window.  Also enters the HWND into the
+ *	global window table.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Window
+Tk_AttachHWND(tkwin, hwnd)
+    Tk_Window tkwin;
+    HWND hwnd;
+{
+    int new;
+    Tcl_HashEntry *entryPtr;
+    TkWinDrawable *twdPtr = (TkWinDrawable *) Tk_WindowId(tkwin);
+
+    if (!initialized) {
+	Tcl_InitHashTable(&windowTable, TCL_ONE_WORD_KEYS);
+	initialized = 1;
+    }
+
+    /*
+     * Allocate a new drawable if necessary.  Otherwise, remove the
+     * previous HWND from from the window table.
+     */
+
+    if (twdPtr == NULL) {
+	twdPtr = (TkWinDrawable*) ckalloc(sizeof(TkWinDrawable));
+	twdPtr->type = TWD_WINDOW;
+	twdPtr->window.winPtr = (TkWindow *) tkwin;
+    } else if (twdPtr->window.handle != NULL) {
+	entryPtr = Tcl_FindHashEntry(&windowTable,
+		(char *)twdPtr->window.handle);
+	Tcl_DeleteHashEntry(entryPtr);
+    }
+
+    /*
+     * Insert the new HWND into the window table.
+     */
+
+    twdPtr->window.handle = hwnd;
+    entryPtr = Tcl_CreateHashEntry(&windowTable, (char *)hwnd, &new);
+    Tcl_SetHashValue(entryPtr, (ClientData)tkwin);
+
+    return (Window)twdPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_HWNDToWindow --
+ *
+ *	This function retrieves a Tk_Window from the window table
+ *	given an HWND.
+ *
+ * Results:
+ *	Returns the matching Tk_Window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tk_Window
+Tk_HWNDToWindow(hwnd)
+    HWND hwnd;
+{
+    Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&windowTable, (char*)hwnd);
+    if (entryPtr != NULL) {
+	return (Tk_Window) Tcl_GetHashValue(entryPtr);
+    }
+    return NULL;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_GetHWND --
+ *
+ *	This function extracts the HWND from an X Window.
+ *
+ * Results:
+ *	Returns the HWND associated with the Window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+HWND
+Tk_GetHWND(window)
+    Window window;
+{
+    TkWinDrawable *twdPtr = (TkWinDrawable *) window;
+    return twdPtr->window.handle;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpPrintWindowId --
+ *
+ *	This routine stores the string representation of the
+ *	platform dependent window handle for an X Window in the
+ *	given buffer.
+ *
+ * Results:
+ *	Returns the result in the specified buffer.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpPrintWindowId(buf, window)
+    char *buf;			/* Pointer to string large enough to hold
+				 * the hex representation of a pointer. */
+    Window window;		/* Window to be printed into buffer. */
+{
+    HWND hwnd = (window) ? Tk_GetHWND(window) : 0;
+    sprintf(buf, "0x%x", (unsigned int) hwnd);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpScanWindowId --
+ *
+ *	Given a string which represents the platform dependent window
+ *	handle, produce the X Window id for the window.
+ *
+ * Results:
+ *	The return value is normally TCL_OK;  in this case *idPtr
+ *	will be set to the X Window id equivalent to string.  If
+ *	string is improperly formed then TCL_ERROR is returned and
+ *	an error message will be left in interp->result.  If the
+ *	number does not correspond to a Tk Window, then *idPtr will
+ *	be set to None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpScanWindowId(interp, string, idPtr)
+    Tcl_Interp *interp;		/* Interpreter to use for error reporting. */
+    char *string;		/* String containing a (possibly signed)
+				 * integer in a form acceptable to strtol. */
+    int *idPtr;			/* Place to store converted result. */
+{
+    int number;
+    Tk_Window tkwin;
+
+    if (Tcl_GetInt(interp, string, &number) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    tkwin = Tk_HWNDToWindow((HWND)number);
+    if (tkwin) {
+	*idPtr = Tk_WindowId(tkwin);
+    } else {
+	*idPtr = None;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpMakeWindow --
+ *
+ *	Creates a Windows window object based on the current attributes
+ *	of the specified TkWindow.
+ *
+ * Results:
+ *	Returns a pointer to a new TkWinDrawable cast to a Window.
+ *
+ * Side effects:
+ *	Creates a new window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Window
+TkpMakeWindow(winPtr, parent)
+    TkWindow *winPtr;
+    Window parent;
+{
+    HWND parentWin;
+    int style;
+    HWND hwnd;
+    
+    if (parent != None) {
+	parentWin = Tk_GetHWND(parent);
+	style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
+    } else {
+	parentWin = NULL;
+	style = WS_POPUP | WS_CLIPCHILDREN;
+    }
+
+    /*
+     * Create the window, then ensure that it is at the top of the
+     * stacking order.
+     */
+
+    hwnd = CreateWindow(TK_WIN_CHILD_CLASS_NAME, NULL, style,
+	    Tk_X(winPtr), Tk_Y(winPtr), Tk_Width(winPtr), Tk_Height(winPtr),
+	    parentWin, NULL, Tk_GetHINSTANCE(), NULL);
+    SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
+		    SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+    return Tk_AttachHWND((Tk_Window)winPtr, hwnd);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XDestroyWindow --
+ *
+ *	Destroys the given window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Sends the WM_DESTROY message to the window and then destroys
+ *	it the Win32 resources associated with the window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XDestroyWindow(display, w)
+    Display* display;
+    Window w;
+{
+    Tcl_HashEntry *entryPtr;
+    TkWinDrawable *twdPtr = (TkWinDrawable *)w;
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+    HWND hwnd = Tk_GetHWND(w);
+
+    display->request++;
+
+    /*
+     * Remove references to the window in the pointer module then
+     * release the drawable.
+     */
+
+    TkPointerDeadWindow(winPtr);
+
+    entryPtr = Tcl_FindHashEntry(&windowTable, (char*)hwnd);
+    if (entryPtr != NULL) {
+	Tcl_DeleteHashEntry(entryPtr);
+    }
+
+    ckfree((char *)twdPtr);
+
+    /*
+     * Don't bother destroying the window if we are going to destroy
+     * the parent later.
+     */
+
+    if (hwnd != NULL && !(winPtr->flags & TK_DONT_DESTROY_WINDOW)) {
+	DestroyWindow(hwnd);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XMapWindow --
+ *
+ *	Cause the given window to become visible.
+ *
+ * Results:
+ *	None
+ *
+ * Side effects:
+ *	Causes the window state to change, and generates a MapNotify
+ *	event.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XMapWindow(display, w)
+    Display* display;
+    Window w;
+{
+    XEvent event;
+    TkWindow *parentPtr;
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+
+    display->request++;
+
+    ShowWindow(TkWinGetHWND(w), SW_SHOWNORMAL);
+    winPtr->flags |= TK_MAPPED;
+
+    /*
+     * Check to see if this window is visible now.  If all of the parent
+     * windows up to the first toplevel are mapped, then this window and
+     * its mapped children have just become visible.
+     */
+
+    if (!(winPtr->flags & TK_TOP_LEVEL)) {
+	for (parentPtr = winPtr->parentPtr; ;
+	        parentPtr = parentPtr->parentPtr) {
+	    if ((parentPtr == NULL) || !(parentPtr->flags & TK_MAPPED)) {
+		return;
+	    }
+	    if (parentPtr->flags & TK_TOP_LEVEL) {
+		break;
+	    }
+	}
+    } else {
+	event.type = MapNotify;
+	event.xmap.serial = display->request;
+	event.xmap.send_event = False;
+	event.xmap.display = display;
+	event.xmap.event = winPtr->window;
+	event.xmap.window = winPtr->window;
+	event.xmap.override_redirect = winPtr->atts.override_redirect;
+	Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+    }
+    
+    /*
+     * Generate VisibilityNotify events for this window and its mapped
+     * children.
+     */
+
+    event.type = VisibilityNotify;
+    event.xvisibility.serial = display->request;
+    event.xvisibility.send_event = False;
+    event.xvisibility.display = display;
+    event.xvisibility.window = winPtr->window;
+    event.xvisibility.state = VisibilityUnobscured;
+    NotifyVisibility(&event, winPtr);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * NotifyVisibility --
+ *
+ *	This function recursively notifies the mapped children of the
+ *	specified window of a change in visibility.  Note that we don't
+ *	properly report the visibility state, since Windows does not
+ *	provide that info.  The eventPtr argument must point to an event
+ *	that has been completely initialized except for the window slot.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Generates lots of events.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+NotifyVisibility(eventPtr, winPtr)
+    XEvent *eventPtr;		/* Initialized VisibilityNotify event. */
+    TkWindow *winPtr;		/* Window to notify. */
+{
+    if (winPtr->atts.event_mask & VisibilityChangeMask) {
+	eventPtr->xvisibility.window = winPtr->window;
+	Tk_QueueWindowEvent(eventPtr, TCL_QUEUE_TAIL);
+    }
+    for (winPtr = winPtr->childList; winPtr != NULL; 
+	    winPtr = winPtr->nextPtr) {
+	if (winPtr->flags & TK_MAPPED) {
+	    NotifyVisibility(eventPtr, winPtr);
+	}
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XUnmapWindow --
+ *
+ *	Cause the given window to become invisible.
+ *
+ * Results:
+ *	None
+ *
+ * Side effects:
+ *	Causes the window state to change, and generates an UnmapNotify
+ *	event.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XUnmapWindow(display, w)
+    Display* display;
+    Window w;
+{
+    XEvent event;
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+
+    display->request++;
+
+    /*
+     * Bug fix: Don't short circuit this routine based on TK_MAPPED because
+     * it will be cleared before XUnmapWindow is called.
+     */
+
+    ShowWindow(TkWinGetHWND(w), SW_HIDE);
+    winPtr->flags &= ~TK_MAPPED;
+
+    if (winPtr->flags & TK_TOP_LEVEL) {
+	event.type = UnmapNotify;
+	event.xunmap.serial = display->request;
+	event.xunmap.send_event = False;
+	event.xunmap.display = display;
+	event.xunmap.event = winPtr->window;
+	event.xunmap.window = winPtr->window;
+	event.xunmap.from_configure = False;
+	Tk_HandleEvent(&event);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XMoveResizeWindow --
+ *
+ *	Move and resize a window relative to its parent.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Repositions and resizes the specified window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XMoveResizeWindow(display, w, x, y, width, height)
+    Display* display;
+    Window w;
+    int x;			/* Position relative to parent. */
+    int y;
+    unsigned int width;
+    unsigned int height;
+{
+    display->request++;
+    MoveWindow(TkWinGetHWND(w), x, y, width, height, TRUE);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XMoveWindow --
+ *
+ *	Move a window relative to its parent.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Repositions the specified window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XMoveWindow(display, w, x, y)
+    Display* display;
+    Window w;
+    int x;
+    int y;
+{
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+
+    display->request++;
+
+    MoveWindow(TkWinGetHWND(w), x, y, winPtr->changes.width,
+	    winPtr->changes.height, TRUE);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XResizeWindow --
+ *
+ *	Resize a window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Resizes the specified window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XResizeWindow(display, w, width, height)
+    Display* display;
+    Window w;
+    unsigned int width;
+    unsigned int height;
+{
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+
+    display->request++;
+
+    MoveWindow(TkWinGetHWND(w), winPtr->changes.x, winPtr->changes.y, width,
+	    height, TRUE);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XRaiseWindow --
+ *
+ *	Change the stacking order of a window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Changes the stacking order of the specified window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XRaiseWindow(display, w)
+    Display* display;
+    Window w;
+{
+    HWND window = TkWinGetHWND(w);
+
+    display->request++;
+    SetWindowPos(window, HWND_TOPMOST, 0, 0, 0, 0,
+	    SWP_NOMOVE | SWP_NOSIZE);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XConfigureWindow --
+ *
+ *	Change the size, position, stacking, or border of the specified
+ *	window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Changes the attributes of the specified window.  Note that we
+ *	ignore the passed in values and use the values stored in the
+ *	TkWindow data structure.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XConfigureWindow(display, w, value_mask, values)
+    Display* display;
+    Window w;
+    unsigned int value_mask;
+    XWindowChanges* values;
+{
+    TkWindow *winPtr = TkWinGetWinPtr(w);
+    HWND hwnd = TkWinGetHWND(w);
+
+    display->request++;
+
+    /*
+     * Change the shape and/or position of the window.
+     */
+
+    if (value_mask & (CWX|CWY|CWWidth|CWHeight)) {
+	MoveWindow(hwnd, winPtr->changes.x, winPtr->changes.y,
+		winPtr->changes.width, winPtr->changes.height, TRUE);
+    }
+
+    /*
+     * Change the stacking order of the window.
+     */
+
+    if (value_mask & CWStackMode) {
+	HWND sibling;
+	if ((value_mask & CWSibling) && (values->sibling != None)) {
+	    sibling = Tk_GetHWND(values->sibling);
+	} else {
+	    sibling = NULL;
+	}
+	TkWinSetWindowPos(hwnd, sibling, values->stack_mode);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XClearWindow --
+ *
+ *	Clears the entire window to the current background color.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Erases the current contents of the window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XClearWindow(display, w)
+    Display* display;
+    Window w;
+{
+    RECT rc;
+    HBRUSH brush;
+    HPALETTE oldPalette, palette;
+    TkWindow *winPtr;
+    HWND hwnd = TkWinGetHWND(w);
+    HDC dc = GetDC(hwnd);
+
+    palette = TkWinGetPalette(display->screens[0].cmap);
+    oldPalette = SelectPalette(dc, palette, FALSE);
+
+    display->request++;
+
+    winPtr = TkWinGetWinPtr(w);
+    brush = CreateSolidBrush(winPtr->atts.background_pixel);
+    GetWindowRect(hwnd, &rc);
+    rc.right = rc.right - rc.left;
+    rc.bottom = rc.bottom - rc.top;
+    rc.left = rc.top = 0;
+    FillRect(dc, &rc, brush);
+
+    DeleteObject(brush);
+    SelectPalette(dc, oldPalette, TRUE);
+    ReleaseDC(hwnd, dc);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XChangeWindowAttributes --
+ *
+ *	This function is called when the attributes on a window are
+ *	updated.  Since Tk maintains all of the window state, the only
+ *	relevant value is the cursor.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	May cause the mouse position to be updated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XChangeWindowAttributes(display, w, valueMask, attributes)
+    Display* display;
+    Window w;
+    unsigned long valueMask;
+    XSetWindowAttributes* attributes;
+{
+    if (valueMask & CWCursor) {
+	XDefineCursor(display, w, attributes->cursor);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWinSetWindowPos --
+ *
+ *	Adjust the stacking order of a window relative to a second
+ *	window (or NULL).
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Moves the specified window in the stacking order.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWinSetWindowPos(hwnd, siblingHwnd, pos)
+    HWND hwnd;			/* Window to restack. */
+    HWND siblingHwnd;		/* Sibling window. */
+    int pos;			/* One of Above or Below. */
+{
+    HWND temp;
+
+    /*
+     * Since Windows does not support Above mode, we place the
+     * specified window below the sibling and then swap them.
+     */
+
+    if (siblingHwnd) {
+	if (pos == Above) {
+	    SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
+		    SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+	    temp = hwnd;
+	    hwnd = siblingHwnd;
+	    siblingHwnd = temp;
+	}
+    } else {
+	siblingHwnd = (pos == Above) ? HWND_TOP : HWND_BOTTOM;
+    }
+
+    SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
+	    SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpWindowWasRecentlyDeleted --
+ *
+ *	Determines whether we know if the window given as argument was
+ *	recently deleted. Called by the generic code error handler to
+ *	handle BadWindow events.
+ *
+ * Results:
+ *	Always 0. We do not keep this information on Windows.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpWindowWasRecentlyDeleted(win, dispPtr)
+    Window win;
+    TkDisplay *dispPtr;
+{
+    return 0;
+}