Initial revision

FossilOrigin-Name: 2bf55ca9aa942b581137b9f474da5ad9c1480de4

1 files changed, 709 insertions, 0 deletions

diff --git a/mac/tkMacXStubs.c b/mac/tkMacXStubs.c
new file mode 100644
index 0000000..f1042c2
--- /dev/null
+++ b/mac/tkMacXStubs.c
@@ -0,0 +1,709 @@
+/* 
+ * tkMacXStubs.c --
+ *
+ *	This file contains most of the X calls called by Tk.  Many of
+ * these calls are just stubs and either don't make sense on the
+ * Macintosh or thier implamentation just doesn't do anything.  Other
+ * calls will eventually be moved into other files.
+ *
+ * Copyright (c) 1995-1997 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: @(#) tkMacXStubs.c 1.87 97/11/20 18:35:29
+ */
+
+#include "tkInt.h"
+#include <X.h>
+#include <Xlib.h>
+#include <stdio.h>
+#include <tcl.h>
+
+#include <Xatom.h>
+
+#include <Windows.h>
+#include <Fonts.h>
+#include <QDOffscreen.h>
+#include <ToolUtils.h>
+#include <Sound.h>
+#include "tkMacInt.h"
+
+/*
+ * Because this file is still under major development Debugger statements are
+ * used through out this file.  The define TCL_DEBUG will decide whether
+ * the debugger statements actually call the debugger or not.
+ */
+
+#ifndef TCL_DEBUG
+#   define Debugger()
+#endif
+ 
+#define ROOT_ID 10
+
+/*
+ * Declarations of static variables used in this file.
+ */
+
+static TkDisplay *gMacDisplay = NULL; /* Macintosh display. */
+static char *macScreenName = "Macintosh:0";
+				/* Default name of macintosh display. */
+
+/*
+ * Forward declarations of procedures used in this file.
+ */
+
+static XID MacXIdAlloc _ANSI_ARGS_((Display *display));
+static int DefaultErrorHandler _ANSI_ARGS_((Display* display,
+	XErrorEvent* err_evt));
+
+/*
+ * Other declrations
+ */
+
+int TkMacXDestroyImage _ANSI_ARGS_((XImage *image));
+unsigned long TkMacXGetPixel _ANSI_ARGS_((XImage *image, int x, int y));
+int TkMacXPutPixel _ANSI_ARGS_((XImage *image, int x, int y,
+	unsigned long pixel));
+XImage *TkMacXSubImage _ANSI_ARGS_((XImage *image, int x, int y, 
+	unsigned int width, unsigned int height));
+int TkMacXAddPixel _ANSI_ARGS_((XImage *image, long value));
+int _XInitImageFuncPtrs _ANSI_ARGS_((XImage *image));
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpOpenDisplay --
+ *
+ *	Create the Display structure and fill it with device
+ *	specific information.
+ *
+ * Results:
+ *	Returns a Display structure on success or NULL on failure.
+ *
+ * Side effects:
+ *	Allocates a new Display structure.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkDisplay *
+TkpOpenDisplay(
+    char *display_name)
+{
+    Display *display;
+    Screen *screen;
+    GDHandle graphicsDevice;
+
+    if (gMacDisplay != NULL) {
+	if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
+	    return gMacDisplay;
+	} else {
+	    return NULL;
+	}
+    }
+
+    graphicsDevice = GetMainDevice();
+    display = (Display *) ckalloc(sizeof(Display));
+    display->resource_alloc = MacXIdAlloc;
+    screen = (Screen *) ckalloc(sizeof(Screen) * 2);
+    display->default_screen = 0;
+    display->request = 0;
+    display->nscreens = 1;
+    display->screens = screen;
+    display->display_name = macScreenName;
+    display->qlen = 0;
+    
+    screen->root = ROOT_ID;
+    screen->display = display;
+    screen->root_depth = (*(*graphicsDevice)->gdPMap)->cmpSize *
+                               (*(*graphicsDevice)->gdPMap)->cmpCount;	
+    screen->height = (*graphicsDevice)->gdRect.bottom -
+	(*graphicsDevice)->gdRect.top;
+    screen->width = (*graphicsDevice)->gdRect.right -
+	(*graphicsDevice)->gdRect.left;
+    
+    screen->mwidth = (screen->width * 254 + 360) / 720;
+    screen->mheight = (screen->height * 254 + 360) / 720;
+    screen->black_pixel = 0x00000000;
+    screen->white_pixel = 0x00FFFFFF;
+    screen->root_visual = (Visual *) ckalloc(sizeof(Visual));
+    screen->root_visual->visualid = 0;
+    screen->root_visual->class = TrueColor;
+    screen->root_visual->red_mask = 0x00FF0000;
+    screen->root_visual->green_mask = 0x0000FF00;
+    screen->root_visual->blue_mask = 0x000000FF;
+    screen->root_visual->bits_per_rgb = 24;
+    screen->root_visual->map_entries = 2 ^ 8;
+
+    gMacDisplay = (TkDisplay *) ckalloc(sizeof(TkDisplay));
+    gMacDisplay->display = display;
+    return gMacDisplay;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpCloseDisplay --
+ *
+ *	Deallocates a display structure created by TkpOpenDisplay.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Frees memory.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpCloseDisplay(
+    TkDisplay *displayPtr)
+{
+    Display *display = displayPtr->display;
+    if (gMacDisplay != displayPtr) {
+        panic("TkpCloseDisplay: tried to call TkpCloseDisplay on bad display");
+    }
+
+    /*
+     * Make sure that the local scrap is transfered to the global
+     * scrap if needed.
+     */
+
+    TkSuspendClipboard();
+
+    gMacDisplay = NULL;
+    if (display->screens != (Screen *) NULL) {
+        if (display->screens->root_visual != (Visual *) NULL) {
+            ckfree((char *) display->screens->root_visual);
+        }
+        ckfree((char *) display->screens);
+    }
+    ckfree((char *) display);
+    ckfree((char *) displayPtr);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * MacXIdAlloc --
+ *
+ *	This procedure is invoked by Xlib as the resource allocator
+ *	for a display.
+ *
+ * Results:
+ *	The return value is an X resource identifier that isn't currently
+ *	in use.
+ *
+ * Side effects:
+ *	The identifier is removed from the stack of free identifiers,
+ *	if it was previously on the stack.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static XID
+MacXIdAlloc(
+    Display *display)			/* Display for which to allocate. */
+{
+	static long int cur_id = 100;
+	/*
+	 * Some special XIds are reserved
+	 *   - this is why we start at 100
+	 */
+
+	return ++cur_id;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpWindowWasRecentlyDeleted --
+ *
+ *	Tries to determine whether the given window was recently deleted.
+ *	Called from the generic code error handler to attempt to deal with
+ *	async BadWindow errors under some circumstances.
+ *
+ * Results:
+ *	Always 0, we do not keep this information on the Mac, so we do not
+ *	know whether the window was destroyed.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpWindowWasRecentlyDeleted(
+    Window win,
+    TkDisplay *dispPtr)
+{
+    return 0;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * DefaultErrorHandler --
+ *
+ *	This procedure is the default X error handler.  Tk uses it's
+ *	own error handler so this call should never be called.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	This function will call panic and exit.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+DefaultErrorHandler(
+    Display* display,
+    XErrorEvent* err_evt)
+{
+    /*
+     * This call should never be called.  Tk replaces
+     * it with its own error handler.
+     */
+    panic("Warning hit bogus error handler!");
+    return 0;
+}
+
+
+char *
+XGetAtomName(
+    Display * display,
+    Atom atom)
+{
+    display->request++;
+    return NULL;
+}
+
+int
+_XInitImageFuncPtrs(XImage *image)
+{
+    return 0;
+}
+
+XErrorHandler
+XSetErrorHandler(
+    XErrorHandler handler)
+{
+    return DefaultErrorHandler;
+}
+
+Window
+XRootWindow(Display *display, int screen_number)
+{
+    display->request++;
+    return ROOT_ID;
+}
+
+XImage *
+XGetImage(display, d, x, y, width, height, plane_mask, format)
+    Display *display;
+    Drawable d;
+    int x;
+    int y;
+    unsigned int width;
+    unsigned int height;
+    unsigned long plane_mask;
+    int format;
+{
+    Debugger();
+    return NULL;
+}
+
+int
+XGetGeometry(display, d, root_return, x_return, y_return, width_return,
+	height_return, border_width_return, depth_return)
+    Display* display;
+    Drawable d;
+    Window* root_return;
+    int* x_return;
+    int* y_return;
+    unsigned int* width_return;
+    unsigned int* height_return;
+    unsigned int* border_width_return;
+    unsigned int* depth_return;
+{
+    /* Used in tkCanvPs.c & wm code */
+    Debugger();
+    return 0;
+}
+
+void
+XChangeProperty(
+    Display* display,
+    Window w,
+    Atom property,
+    Atom type,
+    int format,
+    int mode,
+    _Xconst unsigned char* data,
+    int nelements)
+{
+    Debugger();
+}
+
+void
+XSelectInput(
+    Display* display,
+    Window w,
+    long event_mask)
+{
+    Debugger();
+}
+
+void
+XBell(
+    Display* display,
+    int percent)
+{
+    SysBeep(percent);
+}
+
+void
+XSetWMNormalHints(
+    Display* display,
+    Window w,
+    XSizeHints* hints)
+{
+    /*
+     * Do nothing.  Shouldn't even be called.
+     */
+}
+
+XSizeHints *
+XAllocSizeHints()
+{
+    /*
+     * Always return NULL.  Tk code checks to see if NULL
+     * is returned & does nothing if it is.
+     */
+    
+    return NULL;
+}
+
+XImage * 
+XCreateImage(
+    Display* display,
+    Visual* visual,
+    unsigned int depth,
+    int format,
+    int offset,
+    char* data,
+    unsigned int width,
+    unsigned int height,
+    int bitmap_pad,
+    int bytes_per_line)
+{ 
+    XImage *ximage;
+
+    display->request++;
+    ximage = (XImage *) ckalloc(sizeof(XImage));
+
+    ximage->height = height;
+    ximage->width = width;
+    ximage->depth = depth;
+    ximage->xoffset = offset;
+    ximage->format = format;
+    ximage->data = data;
+    ximage->bitmap_pad = bitmap_pad;
+    if (bytes_per_line == 0) {
+	ximage->bytes_per_line = width * 4;  /* assuming 32 bits per pixel */
+    } else {
+	ximage->bytes_per_line = bytes_per_line;
+    }
+
+    if (format == ZPixmap) {
+	ximage->bits_per_pixel = 32;
+	ximage->bitmap_unit = 32;
+    } else {
+	ximage->bits_per_pixel = 1;
+	ximage->bitmap_unit = 8;
+    }
+    ximage->byte_order = LSBFirst;
+    ximage->bitmap_bit_order = LSBFirst;
+    ximage->red_mask = 0x00FF0000;
+    ximage->green_mask = 0x0000FF00;
+    ximage->blue_mask = 0x000000FF;
+
+    ximage->f.destroy_image = TkMacXDestroyImage;
+    ximage->f.get_pixel = TkMacXGetPixel;
+    ximage->f.put_pixel = TkMacXPutPixel;
+    ximage->f.sub_image = TkMacXSubImage;
+    ximage->f.add_pixel = TkMacXAddPixel;
+
+    return ximage;
+}
+
+GContext
+XGContextFromGC(
+    GC gc)
+{
+    /* TODO - currently a no-op */
+    return 0;
+}
+
+Status
+XSendEvent(
+    Display* display,
+    Window w,
+    Bool propagate,
+    long event_mask,
+    XEvent* event_send)
+{
+    Debugger();
+    return 0;
+}
+
+int
+XGetWindowProperty(
+    Display *display,
+    Window w,
+    Atom property,
+    long long_offset,
+    long long_length,
+    Bool delete,
+    Atom req_type,
+    Atom *actual_type_return,
+    int *actual_format_return,
+    unsigned long *nitems_return,
+    unsigned long *bytes_after_return,
+    unsigned char ** prop_return)
+{
+    display->request++;
+    *actual_type_return = None;
+    *actual_format_return = *bytes_after_return = 0;
+    *nitems_return = 0;
+    return 0;
+}
+
+void
+XRefreshKeyboardMapping()
+{
+    /* used by tkXEvent.c */
+    Debugger();
+}
+
+void 
+XSetIconName(
+    Display* display,
+    Window w,
+    const char *icon_name)
+{
+    /*
+     * This is a no-op, no icon name for Macs.
+     */
+    display->request++;
+}
+
+void 
+XForceScreenSaver(
+    Display* display,
+    int mode)
+{
+    /* 
+     * This function is just a no-op.  It is defined to 
+     * reset the screen saver.  However, there is no real
+     * way to do this on a Mac.  Let me know if there is!
+     */
+    display->request++;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetServerInfo --
+ *
+ *	Given a window, this procedure returns information about
+ *	the window server for that window.  This procedure provides
+ *	the guts of the "winfo server" command.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkGetServerInfo(
+    Tcl_Interp *interp,		/* The server information is returned in
+				 * this interpreter's result. */
+    Tk_Window tkwin)		/* Token for window;  this selects a
+				 * particular display and server. */
+{
+    char buffer[50], buffer2[50];
+
+    sprintf(buffer, "X%dR%d ", ProtocolVersion(Tk_Display(tkwin)),
+	    ProtocolRevision(Tk_Display(tkwin)));
+    sprintf(buffer2, " %d", VendorRelease(Tk_Display(tkwin)));
+    Tcl_AppendResult(interp, buffer, ServerVendor(Tk_Display(tkwin)),
+	    buffer2, (char *) NULL);
+}
+/*
+ * Image stuff 
+ */
+
+int 
+TkMacXDestroyImage(
+    XImage *image)
+{
+    Debugger();
+    return 0;
+}
+
+unsigned long 
+TkMacXGetPixel(
+    XImage *image,
+    int x,
+    int y)
+{
+    Debugger();
+    return 0;
+}
+
+int 
+TkMacXPutPixel(
+    XImage *image,
+    int x,
+    int y,
+    unsigned long pixel)
+{
+    /* Debugger(); */
+    return 0;
+}
+
+XImage *
+TkMacXSubImage(
+    XImage *image,
+    int x,
+    int y,
+    unsigned int width,
+    unsigned int height)
+{
+    Debugger();
+    return NULL;
+}
+
+int 
+TkMacXAddPixel(
+    XImage *image,
+    long value)
+{
+    Debugger();
+    return 0;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XChangeWindowAttributes, XSetWindowBackground,
+ * XSetWindowBackgroundPixmap, XSetWindowBorder, XSetWindowBorderPixmap,
+ * XSetWindowBorderWidth, XSetWindowColormap
+ *
+ *	These functions are all no-ops.  They all have equivilent
+ *	Tk calls that should always be used instead.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XChangeWindowAttributes(
+    Display* display,
+    Window w,
+    unsigned long value_mask,
+    XSetWindowAttributes* attributes)
+{
+}
+
+void 
+XSetWindowBackground(
+	Display *display,
+	Window window,
+	unsigned long value)
+{
+}
+
+void
+XSetWindowBackgroundPixmap(
+    Display* display,
+    Window w,
+    Pixmap background_pixmap)
+{
+}
+
+void
+XSetWindowBorder(
+    Display* display,
+    Window w,
+    unsigned long border_pixel)
+{
+}
+
+void
+XSetWindowBorderPixmap(
+    Display* display,
+    Window w,
+    Pixmap border_pixmap)
+{
+}
+
+void
+XSetWindowBorderWidth(
+    Display* display,
+    Window w,
+    unsigned int width)
+{
+}
+
+void
+XSetWindowColormap(
+    Display* display,
+    Window w,
+    Colormap colormap)
+{
+    Debugger();
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetDefaultScreenName --
+ *
+ *	Returns the name of the screen that Tk should use during
+ *	initialization.
+ *
+ * Results:
+ *	Returns a statically allocated string.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+char *
+TkGetDefaultScreenName(
+    Tcl_Interp *interp,		/* Not used. */
+    char *screenName)		/* If NULL, use default string. */
+{
+    if ((screenName == NULL) || (screenName[0] == '\0')) {
+	screenName = macScreenName;
+    }
+    return screenName;
+}