624 lines
17 KiB
C
624 lines
17 KiB
C
/*
|
||
* tkSquare.c --
|
||
*
|
||
* This module implements "square" widgets that are object based. A
|
||
* "square" is a widget that displays a single square that can be moved
|
||
* around and resized. This file is intended as an example of how to
|
||
* build a widget; it isn't included in the normal wish, but it is
|
||
* included in "tktest".
|
||
*
|
||
* Copyright (c) 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.
|
||
*/
|
||
|
||
#if 0
|
||
#define __NO_OLD_CONFIG
|
||
#endif
|
||
#ifndef USE_TCL_STUBS
|
||
# define USE_TCL_STUBS
|
||
#endif
|
||
#ifndef USE_TK_STUBS
|
||
# define USE_TK_STUBS
|
||
#endif
|
||
#include "tkInt.h"
|
||
|
||
/*
|
||
* A data structure of the following type is kept for each square widget
|
||
* managed by this file:
|
||
*/
|
||
|
||
typedef struct {
|
||
Tk_Window tkwin; /* Window that embodies the square. NULL means
|
||
* window has been deleted but widget record
|
||
* hasn't been cleaned up yet. */
|
||
Display *display; /* X's token for the window's display. */
|
||
Tcl_Interp *interp; /* Interpreter associated with widget. */
|
||
Tcl_Command widgetCmd; /* Token for square's widget command. */
|
||
Tk_OptionTable optionTable; /* Token representing the configuration
|
||
* specifications. */
|
||
Tcl_Obj *xPtr, *yPtr; /* Position of square's upper-left corner
|
||
* within widget. */
|
||
int x, y;
|
||
Tcl_Obj *sizeObjPtr; /* Width and height of square. */
|
||
|
||
/*
|
||
* Information used when displaying widget:
|
||
*/
|
||
|
||
Tcl_Obj *borderWidthPtr; /* Width of 3-D border around whole widget. */
|
||
Tcl_Obj *bgBorderPtr;
|
||
Tcl_Obj *fgBorderPtr;
|
||
Tcl_Obj *reliefPtr;
|
||
GC gc; /* Graphics context for copying from
|
||
* off-screen pixmap onto screen. */
|
||
Tcl_Obj *doubleBufferPtr; /* Non-zero means double-buffer redisplay with
|
||
* pixmap; zero means draw straight onto the
|
||
* display. */
|
||
int updatePending; /* Non-zero means a call to SquareDisplay has
|
||
* already been scheduled. */
|
||
} Square;
|
||
|
||
/*
|
||
* Information used for argv parsing.
|
||
*/
|
||
|
||
static const Tk_OptionSpec optionSpecs[] = {
|
||
{TK_OPTION_BORDER, "-background", "background", "Background",
|
||
"#d9d9d9", Tk_Offset(Square, bgBorderPtr), -1, 0,
|
||
"white", 0},
|
||
{TK_OPTION_SYNONYM, "-bd", NULL, NULL, NULL, 0, -1, 0,
|
||
"-borderwidth", 0},
|
||
{TK_OPTION_SYNONYM, "-bg", NULL, NULL, NULL, 0, -1, 0,
|
||
"-background", 0},
|
||
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
|
||
"2", Tk_Offset(Square, borderWidthPtr), -1, 0, NULL, 0},
|
||
{TK_OPTION_BOOLEAN, "-dbl", "doubleBuffer", "DoubleBuffer",
|
||
"1", Tk_Offset(Square, doubleBufferPtr), -1, 0 , NULL, 0},
|
||
{TK_OPTION_SYNONYM, "-fg", NULL, NULL, NULL, 0, -1, 0,
|
||
"-foreground", 0},
|
||
{TK_OPTION_BORDER, "-foreground", "foreground", "Foreground",
|
||
"#b03060", Tk_Offset(Square, fgBorderPtr), -1, 0,
|
||
"black", 0},
|
||
{TK_OPTION_PIXELS, "-posx", "posx", "PosX", "0",
|
||
Tk_Offset(Square, xPtr), -1, 0, NULL, 0},
|
||
{TK_OPTION_PIXELS, "-posy", "posy", "PosY", "0",
|
||
Tk_Offset(Square, yPtr), -1, 0, NULL, 0},
|
||
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
||
"raised", Tk_Offset(Square, reliefPtr), -1, 0, NULL, 0},
|
||
{TK_OPTION_PIXELS, "-size", "size", "Size", "20",
|
||
Tk_Offset(Square, sizeObjPtr), -1, 0, NULL, 0},
|
||
{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0}
|
||
};
|
||
|
||
/*
|
||
* Forward declarations for procedures defined later in this file:
|
||
*/
|
||
|
||
static void SquareDeletedProc(ClientData clientData);
|
||
static int SquareConfigure(Tcl_Interp *interp, Square *squarePtr);
|
||
static void SquareDestroy(void *memPtr);
|
||
static void SquareDisplay(ClientData clientData);
|
||
static void KeepInWindow(Square *squarePtr);
|
||
static void SquareObjEventProc(ClientData clientData,
|
||
XEvent *eventPtr);
|
||
static int SquareWidgetObjCmd(ClientData clientData,
|
||
Tcl_Interp *, int objc, Tcl_Obj * const objv[]);
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* SquareCmd --
|
||
*
|
||
* This procedure is invoked to process the "square" Tcl command. It
|
||
* creates a new "square" widget.
|
||
*
|
||
* Results:
|
||
* A standard Tcl result.
|
||
*
|
||
* Side effects:
|
||
* A new widget is created and configured.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
SquareObjCmd(
|
||
ClientData clientData, /* NULL. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
Square *squarePtr;
|
||
Tk_Window tkwin;
|
||
Tk_OptionTable optionTable;
|
||
|
||
if (objc < 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
|
||
Tcl_GetString(objv[1]), NULL);
|
||
if (tkwin == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tk_SetClass(tkwin, "Square");
|
||
|
||
/*
|
||
* Create the option table for this widget class. If it has already been
|
||
* created, the refcount will get bumped and just the pointer will be
|
||
* returned. The refcount getting bumped does not concern us, because Tk
|
||
* will ensure the table is deleted when the interpreter is destroyed.
|
||
*/
|
||
|
||
optionTable = Tk_CreateOptionTable(interp, optionSpecs);
|
||
|
||
/*
|
||
* Allocate and initialize the widget record. The memset allows us to set
|
||
* just the non-NULL/0 items.
|
||
*/
|
||
|
||
squarePtr = ckalloc(sizeof(Square));
|
||
memset(squarePtr, 0, sizeof(Square));
|
||
|
||
squarePtr->tkwin = tkwin;
|
||
squarePtr->display = Tk_Display(tkwin);
|
||
squarePtr->interp = interp;
|
||
squarePtr->widgetCmd = Tcl_CreateObjCommand(interp,
|
||
Tk_PathName(squarePtr->tkwin), SquareWidgetObjCmd, squarePtr,
|
||
SquareDeletedProc);
|
||
squarePtr->gc = NULL;
|
||
squarePtr->optionTable = optionTable;
|
||
|
||
if (Tk_InitOptions(interp, (char *) squarePtr, optionTable, tkwin)
|
||
!= TCL_OK) {
|
||
Tk_DestroyWindow(squarePtr->tkwin);
|
||
ckfree(squarePtr);
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
Tk_CreateEventHandler(squarePtr->tkwin, ExposureMask|StructureNotifyMask,
|
||
SquareObjEventProc, squarePtr);
|
||
if (Tk_SetOptions(interp, (char *) squarePtr, optionTable, objc - 2,
|
||
objv + 2, tkwin, NULL, NULL) != TCL_OK) {
|
||
goto error;
|
||
}
|
||
if (SquareConfigure(interp, squarePtr) != TCL_OK) {
|
||
goto error;
|
||
}
|
||
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj(Tk_PathName(squarePtr->tkwin), -1));
|
||
return TCL_OK;
|
||
|
||
error:
|
||
Tk_DestroyWindow(squarePtr->tkwin);
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* SquareWidgetObjCmd --
|
||
*
|
||
* This procedure is invoked to process the Tcl command that corresponds
|
||
* to a widget managed by this module. See the user documentation for
|
||
* details on what it does.
|
||
*
|
||
* Results:
|
||
* A standard Tcl result.
|
||
*
|
||
* Side effects:
|
||
* See the user documentation.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
SquareWidgetObjCmd(
|
||
ClientData clientData, /* Information about square widget. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj * const objv[]) /* Argument objects. */
|
||
{
|
||
Square *squarePtr = clientData;
|
||
int result = TCL_OK;
|
||
static const char *const squareOptions[] = {"cget", "configure", NULL};
|
||
enum {
|
||
SQUARE_CGET, SQUARE_CONFIGURE
|
||
};
|
||
Tcl_Obj *resultObjPtr;
|
||
int index;
|
||
|
||
if (objc < 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
if (Tcl_GetIndexFromObjStruct(interp, objv[1], squareOptions,
|
||
sizeof(char *), "command", 0, &index) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
Tcl_Preserve(squarePtr);
|
||
|
||
switch (index) {
|
||
case SQUARE_CGET:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "option");
|
||
goto error;
|
||
}
|
||
resultObjPtr = Tk_GetOptionValue(interp, (char *) squarePtr,
|
||
squarePtr->optionTable, objv[2], squarePtr->tkwin);
|
||
if (resultObjPtr == NULL) {
|
||
result = TCL_ERROR;
|
||
} else {
|
||
Tcl_SetObjResult(interp, resultObjPtr);
|
||
}
|
||
break;
|
||
case SQUARE_CONFIGURE:
|
||
resultObjPtr = NULL;
|
||
if (objc == 2) {
|
||
resultObjPtr = Tk_GetOptionInfo(interp, (char *) squarePtr,
|
||
squarePtr->optionTable, NULL, squarePtr->tkwin);
|
||
if (resultObjPtr == NULL) {
|
||
result = TCL_ERROR;
|
||
}
|
||
} else if (objc == 3) {
|
||
resultObjPtr = Tk_GetOptionInfo(interp, (char *) squarePtr,
|
||
squarePtr->optionTable, objv[2], squarePtr->tkwin);
|
||
if (resultObjPtr == NULL) {
|
||
result = TCL_ERROR;
|
||
}
|
||
} else {
|
||
result = Tk_SetOptions(interp, (char *) squarePtr,
|
||
squarePtr->optionTable, objc - 2, objv + 2,
|
||
squarePtr->tkwin, NULL, NULL);
|
||
if (result == TCL_OK) {
|
||
result = SquareConfigure(interp, squarePtr);
|
||
}
|
||
if (!squarePtr->updatePending) {
|
||
Tcl_DoWhenIdle(SquareDisplay, squarePtr);
|
||
squarePtr->updatePending = 1;
|
||
}
|
||
}
|
||
if (resultObjPtr != NULL) {
|
||
Tcl_SetObjResult(interp, resultObjPtr);
|
||
}
|
||
}
|
||
Tcl_Release(squarePtr);
|
||
return result;
|
||
|
||
error:
|
||
Tcl_Release(squarePtr);
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* SquareConfigure --
|
||
*
|
||
* This procedure is called to process an argv/argc list in conjunction
|
||
* with the Tk option database to configure (or reconfigure) a square
|
||
* widget.
|
||
*
|
||
* Results:
|
||
* The return value is a standard Tcl result. If TCL_ERROR is returned,
|
||
* then the interp's result contains an error message.
|
||
*
|
||
* Side effects:
|
||
* Configuration information, such as colors, border width, etc. get set
|
||
* for squarePtr; old resources get freed, if there were any.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
SquareConfigure(
|
||
Tcl_Interp *interp, /* Used for error reporting. */
|
||
Square *squarePtr) /* Information about widget. */
|
||
{
|
||
int borderWidth;
|
||
Tk_3DBorder bgBorder;
|
||
int doubleBuffer;
|
||
|
||
/*
|
||
* Set the background for the window and create a graphics context for use
|
||
* during redisplay.
|
||
*/
|
||
|
||
bgBorder = Tk_Get3DBorderFromObj(squarePtr->tkwin,
|
||
squarePtr->bgBorderPtr);
|
||
Tk_SetWindowBackground(squarePtr->tkwin,
|
||
Tk_3DBorderColor(bgBorder)->pixel);
|
||
Tcl_GetBooleanFromObj(NULL, squarePtr->doubleBufferPtr, &doubleBuffer);
|
||
if ((squarePtr->gc == NULL) && doubleBuffer) {
|
||
XGCValues gcValues;
|
||
gcValues.function = GXcopy;
|
||
gcValues.graphics_exposures = False;
|
||
squarePtr->gc = Tk_GetGC(squarePtr->tkwin,
|
||
GCFunction|GCGraphicsExposures, &gcValues);
|
||
}
|
||
|
||
/*
|
||
* Register the desired geometry for the window. Then arrange for the
|
||
* window to be redisplayed.
|
||
*/
|
||
|
||
Tk_GeometryRequest(squarePtr->tkwin, 200, 150);
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->borderWidthPtr,
|
||
&borderWidth);
|
||
Tk_SetInternalBorder(squarePtr->tkwin, borderWidth);
|
||
if (!squarePtr->updatePending) {
|
||
Tcl_DoWhenIdle(SquareDisplay, squarePtr);
|
||
squarePtr->updatePending = 1;
|
||
}
|
||
KeepInWindow(squarePtr);
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* SquareObjEventProc --
|
||
*
|
||
* This procedure is invoked by the Tk dispatcher for various events on
|
||
* squares.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* When the window gets deleted, internal structures get cleaned up. When
|
||
* it gets exposed, it is redisplayed.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
SquareObjEventProc(
|
||
ClientData clientData, /* Information about window. */
|
||
XEvent *eventPtr) /* Information about event. */
|
||
{
|
||
Square *squarePtr = clientData;
|
||
|
||
if (eventPtr->type == Expose) {
|
||
if (!squarePtr->updatePending) {
|
||
Tcl_DoWhenIdle(SquareDisplay, squarePtr);
|
||
squarePtr->updatePending = 1;
|
||
}
|
||
} else if (eventPtr->type == ConfigureNotify) {
|
||
KeepInWindow(squarePtr);
|
||
if (!squarePtr->updatePending) {
|
||
Tcl_DoWhenIdle(SquareDisplay, squarePtr);
|
||
squarePtr->updatePending = 1;
|
||
}
|
||
} else if (eventPtr->type == DestroyNotify) {
|
||
if (squarePtr->tkwin != NULL) {
|
||
Tk_FreeConfigOptions((char *) squarePtr, squarePtr->optionTable,
|
||
squarePtr->tkwin);
|
||
if (squarePtr->gc != NULL) {
|
||
Tk_FreeGC(squarePtr->display, squarePtr->gc);
|
||
}
|
||
squarePtr->tkwin = NULL;
|
||
Tcl_DeleteCommandFromToken(squarePtr->interp,
|
||
squarePtr->widgetCmd);
|
||
}
|
||
if (squarePtr->updatePending) {
|
||
Tcl_CancelIdleCall(SquareDisplay, squarePtr);
|
||
}
|
||
Tcl_EventuallyFree(squarePtr, (Tcl_FreeProc *) SquareDestroy);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* SquareDeletedProc --
|
||
*
|
||
* This procedure is invoked when a widget command is deleted. If the
|
||
* widget isn't already in the process of being destroyed, this command
|
||
* destroys it.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* The widget is destroyed.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
SquareDeletedProc(
|
||
ClientData clientData) /* Pointer to widget record for widget. */
|
||
{
|
||
Square *squarePtr = clientData;
|
||
Tk_Window tkwin = squarePtr->tkwin;
|
||
|
||
/*
|
||
* This procedure could be invoked either because the window was destroyed
|
||
* and the command was then deleted (in which case tkwin is NULL) or
|
||
* because the command was deleted, and then this procedure destroys the
|
||
* widget.
|
||
*/
|
||
|
||
if (tkwin != NULL) {
|
||
Tk_DestroyWindow(tkwin);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* SquareDisplay --
|
||
*
|
||
* This procedure redraws the contents of a square window. It is invoked
|
||
* as a do-when-idle handler, so it only runs when there's nothing else
|
||
* for the application to do.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Information appears on the screen.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
SquareDisplay(
|
||
ClientData clientData) /* Information about window. */
|
||
{
|
||
Square *squarePtr = clientData;
|
||
Tk_Window tkwin = squarePtr->tkwin;
|
||
Pixmap pm = None;
|
||
Drawable d;
|
||
int borderWidth, size, relief;
|
||
Tk_3DBorder bgBorder, fgBorder;
|
||
int doubleBuffer;
|
||
|
||
squarePtr->updatePending = 0;
|
||
if (!Tk_IsMapped(tkwin)) {
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* Create a pixmap for double-buffering, if necessary.
|
||
*/
|
||
|
||
Tcl_GetBooleanFromObj(NULL, squarePtr->doubleBufferPtr, &doubleBuffer);
|
||
if (doubleBuffer) {
|
||
pm = Tk_GetPixmap(Tk_Display(tkwin), Tk_WindowId(tkwin),
|
||
Tk_Width(tkwin), Tk_Height(tkwin),
|
||
DefaultDepthOfScreen(Tk_Screen(tkwin)));
|
||
d = pm;
|
||
} else {
|
||
d = Tk_WindowId(tkwin);
|
||
}
|
||
|
||
/*
|
||
* Redraw the widget's background and border.
|
||
*/
|
||
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->borderWidthPtr,
|
||
&borderWidth);
|
||
bgBorder = Tk_Get3DBorderFromObj(squarePtr->tkwin,
|
||
squarePtr->bgBorderPtr);
|
||
Tk_GetReliefFromObj(NULL, squarePtr->reliefPtr, &relief);
|
||
Tk_Fill3DRectangle(tkwin, d, bgBorder, 0, 0, Tk_Width(tkwin),
|
||
Tk_Height(tkwin), borderWidth, relief);
|
||
|
||
/*
|
||
* Display the square.
|
||
*/
|
||
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->sizeObjPtr, &size);
|
||
fgBorder = Tk_Get3DBorderFromObj(squarePtr->tkwin,
|
||
squarePtr->fgBorderPtr);
|
||
Tk_Fill3DRectangle(tkwin, d, fgBorder, squarePtr->x, squarePtr->y, size,
|
||
size, borderWidth, TK_RELIEF_RAISED);
|
||
|
||
/*
|
||
* If double-buffered, copy to the screen and release the pixmap.
|
||
*/
|
||
|
||
if (doubleBuffer) {
|
||
XCopyArea(Tk_Display(tkwin), pm, Tk_WindowId(tkwin), squarePtr->gc,
|
||
0, 0, (unsigned) Tk_Width(tkwin), (unsigned) Tk_Height(tkwin),
|
||
0, 0);
|
||
Tk_FreePixmap(Tk_Display(tkwin), pm);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* SquareDestroy --
|
||
*
|
||
* This procedure is invoked by Tcl_EventuallyFree or Tcl_Release to
|
||
* clean up the internal structure of a square at a safe time (when
|
||
* no-one is using it anymore).
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Everything associated with the square is freed up.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
SquareDestroy(
|
||
void *memPtr) /* Info about square widget. */
|
||
{
|
||
Square *squarePtr = memPtr;
|
||
|
||
ckfree(squarePtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* KeepInWindow --
|
||
*
|
||
* Adjust the position of the square if necessary to keep it in the
|
||
* widget's window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* The x and y position of the square are adjusted if necessary to keep
|
||
* the square in the window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
KeepInWindow(
|
||
register Square *squarePtr) /* Pointer to widget record. */
|
||
{
|
||
int i, bd, relief;
|
||
int borderWidth, size;
|
||
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->borderWidthPtr,
|
||
&borderWidth);
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->xPtr,
|
||
&squarePtr->x);
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->yPtr,
|
||
&squarePtr->y);
|
||
Tk_GetPixelsFromObj(NULL, squarePtr->tkwin, squarePtr->sizeObjPtr, &size);
|
||
Tk_GetReliefFromObj(NULL, squarePtr->reliefPtr, &relief);
|
||
bd = 0;
|
||
if (relief != TK_RELIEF_FLAT) {
|
||
bd = borderWidth;
|
||
}
|
||
i = (Tk_Width(squarePtr->tkwin) - bd) - (squarePtr->x + size);
|
||
if (i < 0) {
|
||
squarePtr->x += i;
|
||
}
|
||
i = (Tk_Height(squarePtr->tkwin) - bd) - (squarePtr->y + size);
|
||
if (i < 0) {
|
||
squarePtr->y += i;
|
||
}
|
||
if (squarePtr->x < bd) {
|
||
squarePtr->x = bd;
|
||
}
|
||
if (squarePtr->y < bd) {
|
||
squarePtr->y = bd;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Local Variables:
|
||
* mode: c
|
||
* c-basic-offset: 4
|
||
* fill-column: 78
|
||
* End:
|
||
*/
|