Code cleanup in tkCanvas.c/tkMenubutton.c. Use more TCL_UNUSED()

6 files changed, 64 insertions, 115 deletions

diff --git a/generic/tkButton.c b/generic/tkButton.c
index 8a7236d..4a1fc7b 100644
--- a/generic/tkButton.c
+++ b/generic/tkButton.c
@@ -1092,35 +1092,35 @@ ConfigureButton(
 	} else {
 	    Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->normalBorder);
 	}
-    Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->wrapLengthObj, &wrapLength);
+	Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->wrapLengthObj, &wrapLength);
 	if (wrapLength < 0) {
 	    wrapLength = 0;
 	    Tcl_DecrRefCount(butPtr->wrapLengthObj);
 	    butPtr->wrapLengthObj = Tcl_NewIntObj(0);
 	    Tcl_IncrRefCount(butPtr->wrapLengthObj);
 	}
-    Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->borderWidthObj, &borderWidth);
+	Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->borderWidthObj, &borderWidth);
 	if (borderWidth < 0) {
 	    borderWidth = 0;
 	    Tcl_DecrRefCount(butPtr->borderWidthObj);
 	    butPtr->borderWidthObj = Tcl_NewIntObj(0);
 	    Tcl_IncrRefCount(butPtr->borderWidthObj);
 	}
-    Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->highlightWidthObj, &highlightWidth);
+	Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->highlightWidthObj, &highlightWidth);
 	if (highlightWidth < 0) {
 	    highlightWidth = 0;
 	    Tcl_DecrRefCount(butPtr->highlightWidthObj);
 	    butPtr->highlightWidthObj = Tcl_NewIntObj(0);
 	    Tcl_IncrRefCount(butPtr->highlightWidthObj);
 	}
-    Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->padXObj, &padX);
+	Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->padXObj, &padX);
 	if (padX < 0) {
 	    padX = 0;
 	    Tcl_DecrRefCount(butPtr->padXObj);
 	    butPtr->padXObj = Tcl_NewIntObj(0);
 	    Tcl_IncrRefCount(butPtr->padXObj);
 	}
-    Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->padYObj, &padY);
+	Tk_GetPixelsFromObj(NULL, butPtr->tkwin, butPtr->padYObj, &padY);
 	if (padY < 0) {
 	    padY = 0;
 	    Tcl_DecrRefCount(butPtr->padYObj);
@@ -1727,14 +1727,12 @@ static char *
 ButtonTextVarProc(
     void *clientData,	/* Information about button. */
     Tcl_Interp *interp,		/* Interpreter containing variable. */
-    const char *name1,		/* Not used. */
-    const char *name2,		/* Not used. */
+    TCL_UNUSED(const char *),		/* name1 */
+    TCL_UNUSED(const char *),		/* name2 */
     int flags)			/* Information about what happened. */
 {
     TkButton *butPtr = (TkButton *)clientData;
     Tcl_Obj *valuePtr;
-    (void)name1;
-    (void)name2;
 
     if (butPtr->flags & BUTTON_DELETED) {
 	return NULL;
@@ -1822,19 +1820,14 @@ ButtonTextVarProc(
 static void
 ButtonImageProc(
     void *clientData,	/* Pointer to widget record. */
-    int x, int y,		/* Upper left pixel (within image) that must
-				 * be redisplayed. */
-    int width, int height,	/* Dimensions of area to redisplay (might be
-				 * <= 0). */
-    int imgWidth, int imgHeight)/* New dimensions of image. */
+    TCL_UNUSED(int),	/* x, Upper left pixel (within image) that must */
+    TCL_UNUSED(int),	/* y, be redisplayed. */
+    TCL_UNUSED(int),	/* width, Dimensions of area to redisplay (might be */
+    TCL_UNUSED(int),	/* height, <= 0). */
+    TCL_UNUSED(int),	/* imgWidth, New dimensions of image. */
+    TCL_UNUSED(int))	/* imgHeight */
 {
     TkButton *butPtr = (TkButton *)clientData;
-    (void)x;
-    (void)y;
-    (void)width;
-    (void)height;
-    (void)imgWidth;
-    (void)imgHeight;
 
     if (butPtr->tkwin != NULL) {
 	TkpComputeButtonGeometry(butPtr);
@@ -1866,19 +1859,14 @@ ButtonImageProc(
 static void
 ButtonSelectImageProc(
     void *clientData,	/* Pointer to widget record. */
-    int x, int y,		/* Upper left pixel (within image) that must
-				 * be redisplayed. */
-    int width, int height,	/* Dimensions of area to redisplay (might be
-				 * <= 0). */
-    int imgWidth, int imgHeight)/* New dimensions of image. */
+    TCL_UNUSED(int),	/* x, Upper left pixel (within image) that must */
+    TCL_UNUSED(int),	/* y, be redisplayed. */
+    TCL_UNUSED(int),	/* width, Dimensions of area to redisplay (might be */
+    TCL_UNUSED(int),	/* height, <= 0). */
+    TCL_UNUSED(int),	/* imgWidth, New dimensions of image. */
+    TCL_UNUSED(int))	/* imgHeight */
 {
     TkButton *butPtr = (TkButton *)clientData;
-    (void)x;
-    (void)y;
-    (void)width;
-    (void)height;
-    (void)imgWidth;
-    (void)imgHeight;
 
 #ifdef MAC_OSX_TK
     if (butPtr->tkwin != NULL) {
@@ -1919,19 +1907,14 @@ ButtonSelectImageProc(
 static void
 ButtonTristateImageProc(
     void *clientData,	/* Pointer to widget record. */
-    int x, int y,		/* Upper left pixel (within image) that must
-				 * be redisplayed. */
-    int width, int height,	/* Dimensions of area to redisplay (might be
-				 * <= 0). */
-    int imgWidth, int imgHeight)/* New dimensions of image. */
+    TCL_UNUSED(int),	/* x, Upper left pixel (within image) that must */
+    TCL_UNUSED(int),	/* y, be redisplayed. */
+    TCL_UNUSED(int),	/* width, Dimensions of area to redisplay (might be */
+    TCL_UNUSED(int),	/* height, <= 0). */
+    TCL_UNUSED(int),	/* imgWidth, New dimensions of image. */
+    TCL_UNUSED(int))	/* imgHeight */
 {
     TkButton *butPtr = (TkButton *)clientData;
-    (void)x;
-    (void)y;
-    (void)width;
-    (void)height;
-    (void)imgWidth;
-    (void)imgHeight;
 
 #ifdef MAC_OSX_TK
     if (butPtr->tkwin != NULL) {
diff --git a/generic/tkCanvImg.c b/generic/tkCanvImg.c
index a0097b1..95a0b32 100644
--- a/generic/tkCanvImg.c
+++ b/generic/tkCanvImg.c
@@ -526,7 +526,7 @@ static void
 DisplayImage(
     Tk_Canvas canvas,		/* Canvas that contains item. */
     Tk_Item *itemPtr,		/* Item to be displayed. */
-    Display *display,		/* Display on which to draw item. */
+    TCL_UNUSED(Display *),		/* Display on which to draw item. */
     Drawable drawable,		/* Pixmap or window in which to draw item. */
     int x, int y, int width, int height)
 				/* Describes region of canvas that must be
@@ -536,7 +536,6 @@ DisplayImage(
     short drawableX, drawableY;
     Tk_Image image;
     Tk_State state = itemPtr->state;
-    (void)display;
 
     if (state == TK_STATE_NULL) {
 	state = Canvas(canvas)->canvas_state;
diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c
index 402b1d4..05f549e 100644
--- a/generic/tkCanvas.c
+++ b/generic/tkCanvas.c
@@ -2311,24 +2311,6 @@ ConfigureCanvas(
 	canvasPtr->highlightWidthObj = Tcl_NewIntObj(0);
 	Tcl_IncrRefCount(canvasPtr->highlightWidthObj);
     }
-    if (canvasPtr->textInfo.insertBorderWidth < 0) {
-	canvasPtr->textInfo.insertBorderWidth = 0;
-	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved1);
-	canvasPtr->textInfo.reserved1 = Tcl_NewIntObj(0);
-	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved1);
-    }
-    if (canvasPtr->textInfo.insertWidth < 0) {
-	canvasPtr->textInfo.insertWidth = 0;
-	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved2);
-	canvasPtr->textInfo.reserved2 = Tcl_NewIntObj(0);
-	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved2);
-    }
-    if (canvasPtr->textInfo.selBorderWidth < 0) {
-	canvasPtr->textInfo.selBorderWidth = 0;
-	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved3);
-	canvasPtr->textInfo.reserved3 = Tcl_NewIntObj(0);
-	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved3);
-    }
     if (width < 0) {
 	width = 0;
 	Tcl_DecrRefCount(canvasPtr->widthObj);
@@ -2350,12 +2332,21 @@ ConfigureCanvas(
     canvasPtr->inset = borderWidth + highlightWidth;
     if (canvasPtr->textInfo.insertBorderWidth < 0) {
 	canvasPtr->textInfo.insertBorderWidth = 0;
+	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved1);
+	canvasPtr->textInfo.reserved1 = Tcl_NewIntObj(0);
+	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved1);
     }
     if (canvasPtr->textInfo.insertWidth < 0) {
 	canvasPtr->textInfo.insertWidth = 0;
+	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved2);
+	canvasPtr->textInfo.reserved2 = Tcl_NewIntObj(0);
+	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved2);
     }
     if (canvasPtr->textInfo.selBorderWidth < 0) {
 	canvasPtr->textInfo.selBorderWidth = 0;
+	Tcl_DecrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved3);
+	canvasPtr->textInfo.reserved3 = Tcl_NewIntObj(0);
+	Tcl_IncrRefCount((Tcl_Obj *)canvasPtr->textInfo.reserved3);
     }
 
     gcValues.function = GXcopy;
diff --git a/generic/tkMenubutton.c b/generic/tkMenubutton.c
index 97f57c2..e107546 100644
--- a/generic/tkMenubutton.c
+++ b/generic/tkMenubutton.c
@@ -190,7 +190,7 @@ static void		DestroyMenuButton(void *memPtr);
 
 int
 Tk_MenubuttonObjCmd(
-    void *dummy,	/* NULL. */
+    TCL_UNUSED(void *),
     Tcl_Interp *interp,		/* Current interpreter. */
     int objc,			/* Number of arguments. */
     Tcl_Obj *const objv[])	/* Argument objects. */
@@ -198,7 +198,6 @@ Tk_MenubuttonObjCmd(
     TkMenuButton *mbPtr;
     Tk_OptionTable optionTable;
     Tk_Window tkwin;
-    (void)dummy;
 
     if (objc < 2) {
 	Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?");
@@ -544,36 +543,27 @@ ConfigureMenuButton(
 	Tk_GetPixelsFromObj(NULL, mbPtr->tkwin, mbPtr->padYObj, &padY);
 	if (borderWidth < 0) {
 	    borderWidth = 0;
-		Tcl_DecrRefCount(mbPtr->borderWidthObj);
-		mbPtr->borderWidthObj = Tcl_NewIntObj(0);
-		Tcl_IncrRefCount(mbPtr->borderWidthObj);
+	    Tcl_DecrRefCount(mbPtr->borderWidthObj);
+	    mbPtr->borderWidthObj = Tcl_NewIntObj(0);
+	    Tcl_IncrRefCount(mbPtr->borderWidthObj);
 	}
 	if (highlightWidth < 0) {
 	    highlightWidth = 0;
-		Tcl_DecrRefCount(mbPtr->highlightWidthObj);
-		mbPtr->highlightWidthObj = Tcl_NewIntObj(0);
-		Tcl_IncrRefCount(mbPtr->highlightWidthObj);
+	    Tcl_DecrRefCount(mbPtr->highlightWidthObj);
+	    mbPtr->highlightWidthObj = Tcl_NewIntObj(0);
+	    Tcl_IncrRefCount(mbPtr->highlightWidthObj);
 	}
 	if (padX < 0) {
 	    padX = 0;
-		if (mbPtr->padXObj) {
-		    Tcl_DecrRefCount(mbPtr->padXObj);
-		}
-		mbPtr->padXObj = Tcl_NewIntObj(0);
-		Tcl_IncrRefCount(mbPtr->padXObj);
+	    Tcl_DecrRefCount(mbPtr->padXObj);
+	    mbPtr->padXObj = Tcl_NewIntObj(0);
+	    Tcl_IncrRefCount(mbPtr->padXObj);
 	}
 	if (padY < 0) {
 	    padY = 0;
-		if (mbPtr->padYObj) {
-		    Tcl_DecrRefCount(mbPtr->padYObj);
-		}
-		mbPtr->padYObj = Tcl_NewIntObj(0);
-		Tcl_IncrRefCount(mbPtr->padYObj);
-		if (mbPtr->padYObj) {
-		    Tcl_DecrRefCount(mbPtr->padYObj);
-		}
-		mbPtr->padYObj = Tcl_NewIntObj(0);
-		Tcl_IncrRefCount(mbPtr->padYObj);
+		Tcl_DecrRefCount(mbPtr->padYObj);
+	    mbPtr->padYObj = Tcl_NewIntObj(0);
+	    Tcl_IncrRefCount(mbPtr->padYObj);
 	}
 
 	/*
@@ -971,19 +961,14 @@ MenuButtonTextVarProc(
 static void
 MenuButtonImageProc(
     void *clientData,	/* Pointer to widget record. */
-    int x, int y,		/* Upper left pixel (within image) that must
-				 * be redisplayed. */
-    int width, int height,	/* Dimensions of area to redisplay (may be <=
-				 * 0). */
-    int imgWidth, int imgHeight)/* New dimensions of image. */
+    TCL_UNUSED(int),	/* x, Upper left pixel (within image) that must */
+    TCL_UNUSED(int),	/* y, be redisplayed. */
+    TCL_UNUSED(int),	/* width, Dimensions of area to redisplay (may be <= */
+    TCL_UNUSED(int),	/* height, 0). */
+    TCL_UNUSED(int),	/* imgWidth, New dimensions of image. */
+    TCL_UNUSED(int))	/* imgHeight */
 {
     TkMenuButton *mbPtr = (TkMenuButton *)clientData;
-    (void)x;
-    (void)y;
-    (void)width;
-    (void)height;
-    (void)imgWidth;
-    (void)imgHeight;
 
     if (mbPtr->tkwin != NULL) {
 	TkpComputeMenuButtonGeometry(mbPtr);
diff --git a/generic/tkPointer.c b/generic/tkPointer.c
index 03dbf1c..b77abbe 100644
--- a/generic/tkPointer.c
+++ b/generic/tkPointer.c
@@ -416,23 +416,16 @@ int
 XGrabPointer(
     Display *display,
     Window grab_window,
-    Bool owner_events,
-    unsigned int event_mask,
-    int pointer_mode,
-    int keyboard_mode,
-    Window confine_to,
-    Cursor cursor,
-    Time time)
+    TCL_UNUSED(Bool),	/* owner_events */
+    TCL_UNUSED(unsigned int),	/* event_mask */
+    TCL_UNUSED(int),	/* pointer_mode */
+    TCL_UNUSED(int),	/* keyboard_mode */
+    TCL_UNUSED(Window),	/* confine_to */
+    TCL_UNUSED(Cursor),	/* cursor */
+    TCL_UNUSED(Time))	/* time */
 {
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
 	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
-    (void)owner_events;
-    (void)event_mask;
-    (void)pointer_mode;
-    (void)keyboard_mode;
-    (void)confine_to;
-    (void)cursor;
-    (void)time;
 
     LastKnownRequestProcessed(display)++;
     tsdPtr->grabWinPtr = (TkWindow *) Tk_IdToWindow(display, grab_window);
@@ -464,11 +457,10 @@ XGrabPointer(
 int
 XUngrabPointer(
     Display *display,
-    Time time)
+    TCL_UNUSED(Time)) /* time */
 {
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
 	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
-    (void)time;
 
     LastKnownRequestProcessed(display)++;
     tsdPtr->grabWinPtr = NULL;
@@ -588,12 +580,11 @@ int
 XDefineCursor(
     Display *display,
     Window w,
-    Cursor cursor)
+    TCL_UNUSED(Cursor)) /* cursor */
 {
     TkWindow *winPtr = (TkWindow *) Tk_IdToWindow(display, w);
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
 	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
-    (void)cursor;
 
     if (tsdPtr->cursorWinPtr == winPtr) {
 	UpdateCursor(winPtr);
diff --git a/generic/tkStubInit.c b/generic/tkStubInit.c
index e909128..9a97d00 100644
--- a/generic/tkStubInit.c
+++ b/generic/tkStubInit.c
@@ -58,7 +58,7 @@ doNothing(void)
 #   define TkpRedrawWidget ((void (*)(Tk_Window))(void *)doNothing)
 #   define TkpDefineNativeBitmaps ((void (*)(void))(void *)doNothing)
 #   define TkpCreateNativeBitmap ((Pixmap (*)(Display *, const void *))(void *)doNothing)
-#   define TkpGetNativeAppBitmap ((Pixmap (*)(Display *, const char*, int *, int *))(void *)doNothing)
+#   define TkpGetNativeAppBitmap ((Pixmap (*)(Display *, const char *, int *, int *))(void *)doNothing)
 #endif
 
 #ifdef _WIN32