/*
* tkMacOSXMenubutton.c --
*
* This file implements the Macintosh specific portion of the
* menubutton widget.
*
* Copyright (c) 1996 by Sun Microsystems, Inc.
* Copyright 2001, Apple Computer, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkMacOSXMenubutton.c,v 1.2 2002/08/31 06:12:30 das Exp $
*/
#include <Carbon/Carbon.h>
#include "tkMenu.h"
#include "tkMenubutton.h"
#include "tkMacOSXInt.h"
#include "tkMacOSXDebug.h"
#define kShadowOffset (3) /* amount to offset shadow from frame */
#define kTriangleWidth (11) /* width of the triangle */
#define kTriangleHeight (6) /* height of the triangle */
#define kTriangleMargin (5) /* margin around triangle */
#define TK_POPUP_OFFSET 32 /* size of popup marker */
int TkMacOSXGetNewMenuID _ANSI_ARGS_((Tcl_Interp *interp, TkMenu *menuInstPtr, int cascade, short *menuIDPtr));
void TkMacOSXFreeMenuID _ANSI_ARGS_((short menuID));
typedef struct {
SInt16 initialValue;
SInt16 minValue;
SInt16 maxValue;
SInt16 procID;
int isBevel;
} MenuButtonControlParams;
typedef struct {
int len;
Str255 title;
ControlFontStyleRec style;
} ControlTitleParams;
/*
* Declaration of Mac specific button structure.
*/
typedef struct MacMenuButton {
TkMenuButton info; /* Generic button info. */
WindowRef windowRef;
ControlRef userPane;
ControlRef control;
MenuRef menuRef;
RGBColor userPaneBackground;
MenuButtonControlParams params;
ControlTitleParams titleParams;
ControlButtonContentInfo bevelButtonContent;
OpenCPicParams picParams;
int flags;
} MacMenuButton;
/*
* Forward declarations for procedures defined later in this file:
*/
static OSErr SetUserPaneDrawProc(ControlRef control,
ControlUserPaneDrawProcPtr upp);
static OSErr SetUserPaneSetUpSpecialBackgroundProc(ControlRef control,
ControlUserPaneBackgroundProcPtr upp);
static void UserPaneDraw(ControlRef control, ControlPartCode cpc);
static void UserPaneBackgroundProc(ControlHandle,
ControlBackgroundPtr info);
static int MenuButtonInitControl ( MacMenuButton *mbPtr, Rect *paneRect, Rect *cntrRect );
static int UpdateControlColors _ANSI_ARGS_((MacMenuButton *mbPtr ));
static void ComputeMenuButtonControlParams _ANSI_ARGS_((TkMenuButton * mbPtr, MenuButtonControlParams * paramsPtr));
static void ComputeControlTitleParams _ANSI_ARGS_((TkMenuButton * mbPtr, ControlTitleParams * paramsPtr));
static void CompareControlTitleParams(
ControlTitleParams * p1Ptr,
ControlTitleParams * p2Ptr,
int * titleChanged,
int * styleChanged
);
extern int TkFontGetFirstTextLayout(Tk_TextLayout layout, Tk_Font * font, char * dst);
extern void TkMacOSXInitControlFontStyle(Tk_Font tkfont,ControlFontStylePtr fsPtr);
extern int tkPictureIsOpen;
/*
* The structure below defines menubutton class behavior by means of
* procedures that can be invoked from generic window code.
*/
Tk_ClassProcs tkpMenubuttonClass = {
sizeof(Tk_ClassProcs), /* size */
TkMenuButtonWorldChanged, /* worldChangedProc */
};
/*
*----------------------------------------------------------------------
*
* TkpCreateMenuButton --
*
* Allocate a new TkMenuButton structure.
*
* Results:
* Returns a newly allocated TkMenuButton structure.
*
* Side effects:
* Registers an event handler for the widget.
*
*----------------------------------------------------------------------
*/
TkMenuButton *
TkpCreateMenuButton(
Tk_Window tkwin)
{
MacMenuButton *mbPtr = (MacMenuButton *) ckalloc(sizeof(MacMenuButton));
mbPtr->userPaneBackground.red = 0;
mbPtr->userPaneBackground.green = 0;
mbPtr->userPaneBackground.blue = ~0;
mbPtr->flags = 0;
mbPtr->userPane = NULL;
mbPtr->control = NULL;
mbPtr->picParams.version = -2;
mbPtr->picParams.hRes = 0x00480000;
mbPtr->picParams.vRes = 0x00480000;
mbPtr->picParams.srcRect.top = 0;
mbPtr->picParams.srcRect.left = 0;
mbPtr->picParams.reserved1 = 0;
mbPtr->picParams.reserved2 = 0;
mbPtr->bevelButtonContent.contentType = kControlContentPictHandle;
mbPtr->menuRef = NULL;
bzero(&mbPtr->params, sizeof(mbPtr->params));
bzero(&mbPtr->titleParams,sizeof(mbPtr->titleParams));
return (TkMenuButton *) mbPtr;
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayMenuButton --
*
* This procedure is invoked to display a menubutton widget.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menubutton in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayMenuButton(
ClientData clientData) /* Information about widget. */
{
TkMenuButton *butPtr = (TkMenuButton *) clientData;
Tk_Window tkwin = butPtr->tkwin;
TkWindow * winPtr;
Pixmap pixmap;
MacMenuButton * mbPtr = (MacMenuButton *) butPtr;
GWorldPtr dstPort;
CGrafPtr saveWorld;
GDHandle saveDevice;
int hasImageOrBitmap = 0;
int width, height;
int err;
ControlButtonGraphicAlignment theAlignment;
Rect paneRect, cntrRect;
butPtr->flags &= ~REDRAW_PENDING;
if ((butPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
return;
}
pixmap = ( Pixmap )Tk_WindowId(tkwin);
GetGWorld(&saveWorld, &saveDevice);
dstPort = TkMacOSXGetDrawablePort(Tk_WindowId(tkwin));
SetGWorld(dstPort, NULL);
TkMacOSXSetUpClippingRgn(Tk_WindowId(tkwin));
winPtr=(TkWindow *)butPtr->tkwin;
paneRect.left=winPtr->privatePtr->xOff;
paneRect.top=winPtr->privatePtr->yOff;
paneRect.right=paneRect.left+Tk_Width(butPtr->tkwin)-1;
paneRect.bottom=paneRect.top+Tk_Height(butPtr->tkwin)-1;
cntrRect=paneRect;
cntrRect.left+=butPtr->inset;
cntrRect.top+=butPtr->inset;
cntrRect.right-=butPtr->inset;
cntrRect.bottom-=butPtr->inset;
if (mbPtr->userPane) {
MenuButtonControlParams params;
bzero(¶ms, sizeof(params));
ComputeMenuButtonControlParams(butPtr, ¶ms );
if (bcmp(¶ms,&mbPtr->params,sizeof(params))) {
if (mbPtr->userPane) {
DisposeControl(mbPtr->userPane);
mbPtr->userPane = NULL;
mbPtr->control = NULL;
}
}
}
if (!mbPtr->userPane) {
if (MenuButtonInitControl(mbPtr,&paneRect,&cntrRect ) ) {
fprintf(stderr,"Init Control failed\n" );
return;
}
}
SetControlBounds(mbPtr->userPane,&paneRect);
SetControlBounds(mbPtr->control,&cntrRect);
/*
* We need to cache the title and its style
*/
if (!(mbPtr->flags&2)) {
ControlTitleParams titleParams;
int titleChanged;
int styleChanged;
ComputeControlTitleParams(butPtr,&titleParams);
CompareControlTitleParams(&titleParams,&mbPtr->titleParams,
&titleChanged,&styleChanged);
if (titleChanged) {
CFStringRef cf;
cf = CFStringCreateWithCString(NULL,
titleParams.title, kCFStringEncodingUTF8);
if (hasImageOrBitmap) {
SetControlTitleWithCFString(mbPtr->control, cf);
} else {
SetMenuItemTextWithCFString(mbPtr->menuRef, 1, cf);
}
CFRelease(cf);
bcopy(titleParams.title,mbPtr->titleParams.title,titleParams.len+1);
mbPtr->titleParams.len = titleParams.len;
}
if ((titleChanged||styleChanged) && titleParams .len) {
if (hasImageOrBitmap) {
if ((err=SetControlFontStyle(mbPtr->control,&titleParams.style))!=noErr) {
fprintf(stderr,"SetControlFontStyle failed %d\n", err);
return;
}
}
bcopy(&titleParams.style,&mbPtr->titleParams.style,sizeof(titleParams.style));
}
}
if (butPtr->image != None) {
Tk_SizeOfImage(butPtr->image, &width, &height);
hasImageOrBitmap = 1;
} else if (butPtr->bitmap != None) {
Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
hasImageOrBitmap = 1;
}
if (hasImageOrBitmap) {
mbPtr->picParams.srcRect.right = width;
mbPtr->picParams.srcRect.bottom = height;
/* Set the flag to circumvent clipping and bounds problems with OS 10.0.4 */
tkPictureIsOpen = 1;
if (!(mbPtr->bevelButtonContent.u.picture = OpenCPicture(&mbPtr->picParams)) ) {
fprintf(stderr,"OpenCPicture failed\n");
}
/*
* TO DO - There is one case where XCopyPlane calls CopyDeepMask,
* which does not get recorded in the picture. So the bitmap code
* will fail in that case.
*/
if (butPtr->image != NULL) {
Tk_RedrawImage(butPtr->image, 0, 0, width,
height, pixmap, 0, 0);
} else {
XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, NULL, 0, 0,
(unsigned int) width, (unsigned int) height, 0, 0, 1);
}
ClosePicture();
tkPictureIsOpen = 0;
if ( (err=SetControlData(mbPtr->control, kControlButtonPart,
kControlBevelButtonContentTag,
sizeof(ControlButtonContentInfo),
(char *) &mbPtr->bevelButtonContent)) != noErr ) {
fprintf(stderr,"SetControlData BevelButtonContent failed, %d\n", err );
}
switch (butPtr->anchor) {
case TK_ANCHOR_N:
theAlignment = kControlBevelButtonAlignTop;
break;
case TK_ANCHOR_NE:
theAlignment = kControlBevelButtonAlignTopRight;
break;
case TK_ANCHOR_E:
theAlignment = kControlBevelButtonAlignRight;
break;
case TK_ANCHOR_SE:
theAlignment = kControlBevelButtonAlignBottomRight;
break;
case TK_ANCHOR_S:
theAlignment = kControlBevelButtonAlignBottom;
break;
case TK_ANCHOR_SW:
theAlignment = kControlBevelButtonAlignBottomLeft;
break;
case TK_ANCHOR_W:
theAlignment = kControlBevelButtonAlignLeft;
break;
case TK_ANCHOR_NW:
theAlignment = kControlBevelButtonAlignTopLeft;
break;
case TK_ANCHOR_CENTER:
theAlignment = kControlBevelButtonAlignCenter;
break;
}
if ((err=SetControlData(mbPtr->control, kControlButtonPart,
kControlBevelButtonGraphicAlignTag,
sizeof(ControlButtonGraphicAlignment),
(char *) &theAlignment)) != noErr ) {
fprintf(stderr,"SetControlData BevelButtonGraphicAlign failed, %d\n", err );
}
}
if (butPtr->flags & GOT_FOCUS) {
HiliteControl(mbPtr->control,kControlButtonPart);
} else {
HiliteControl(mbPtr->control,kControlNoPart);
}
UpdateControlColors(mbPtr);
if (mbPtr->flags&2) {
ShowControl(mbPtr->control);
ShowControl(mbPtr->userPane);
mbPtr->flags ^= 2;
} else {
Draw1Control(mbPtr->userPane);
SetControlVisibility(mbPtr->control, true, true);
}
if (hasImageOrBitmap) {
KillPicture(mbPtr->bevelButtonContent.u.picture);
}
SetGWorld(saveWorld, saveDevice);
}
/*
*----------------------------------------------------------------------
*
* TkpDestroyMenuButton --
*
* Free data structures associated with the menubutton control.
*
* Results:
* None.
*
* Side effects:
* Restores the default control state.
*
*----------------------------------------------------------------------
*/
void
TkpDestroyMenuButton(
TkMenuButton *mbPtr)
{
MacMenuButton * macMbPtr = (MacMenuButton *)mbPtr;
if (macMbPtr->userPane) {
DisposeControl(macMbPtr->userPane);
macMbPtr->userPane = NULL;
}
if (macMbPtr->menuRef) {
short menuID;
menuID = GetMenuID(macMbPtr->menuRef);
TkMacOSXFreeMenuID(menuID);
DisposeMenu(macMbPtr->menuRef);
macMbPtr->menuRef = NULL;
}
}
/*
*----------------------------------------------------------------------
*
* TkpComputeMenuButtonGeometry --
*
* After changes in a menu button's text or bitmap, this procedure
* recomputes the menu button's geometry and passes this information
* along to the geometry manager for the window.
*
* Results:
* None.
*
* Side effects:
* The menu button's window may change size.
*
*----------------------------------------------------------------------
*/
void
TkpComputeMenuButtonGeometry(mbPtr)
register TkMenuButton *mbPtr; /* Widget record for menu button. */
{
int width, height, mm, pixels;
int hasImageOrBitmap = 0;
mbPtr->inset = mbPtr->highlightWidth + mbPtr->borderWidth;
if (mbPtr->image != None) {
Tk_SizeOfImage(mbPtr->image, &width, &height);
if (mbPtr->width > 0) {
width = mbPtr->width;
}
if (mbPtr->height > 0) {
height = mbPtr->height;
}
hasImageOrBitmap = 1;
} else if (mbPtr->bitmap != None) {
Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height);
if (mbPtr->width > 0) {
width = mbPtr->width;
}
if (mbPtr->height > 0) {
height = mbPtr->height;
}
hasImageOrBitmap = 1;
} else {
hasImageOrBitmap = 0;
Tk_FreeTextLayout(mbPtr->textLayout);
mbPtr->textLayout = Tk_ComputeTextLayout(mbPtr->tkfont, mbPtr->text,
-1, mbPtr->wrapLength, mbPtr->justify, 0, &mbPtr->textWidth,
&mbPtr->textHeight);
width = mbPtr->textWidth;
height = mbPtr->textHeight;
if (mbPtr->width > 0) {
width = mbPtr->width * Tk_TextWidth(mbPtr->tkfont, "0", 1);
}
if (mbPtr->height > 0) {
Tk_FontMetrics fm;
Tk_GetFontMetrics(mbPtr->tkfont, &fm);
height = mbPtr->height * fm.linespace;
}
width += 2*mbPtr->padX;
height += 2*mbPtr->padY;
}
if (mbPtr->indicatorOn) {
mm = WidthMMOfScreen(Tk_Screen(mbPtr->tkwin));
pixels = WidthOfScreen(Tk_Screen(mbPtr->tkwin));
mbPtr->indicatorHeight= kTriangleHeight;
mbPtr->indicatorWidth = kTriangleWidth + kTriangleMargin;
width += mbPtr->indicatorWidth;
} else {
mbPtr->indicatorHeight = 0;
mbPtr->indicatorWidth = 0;
}
if (!hasImageOrBitmap) {
width += TK_POPUP_OFFSET;
}
Tk_GeometryRequest(mbPtr->tkwin, (int) (width + 2*mbPtr->inset),
(int) (height + 2*mbPtr->inset));
Tk_SetInternalBorder(mbPtr->tkwin, mbPtr->inset);
}
/*
*----------------------------------------------------------------------
*
* ComputeMenuButtonControlParams --
*
* This procedure computes the various parameters used
* when creating a Carbon control (NewControl)
* These are determined by the various tk menu button parameters
*
* Results:
* None.
*
* Side effects:
* Sets the control initialisation parameters
*
*----------------------------------------------------------------------
*/
static void
ComputeMenuButtonControlParams(TkMenuButton * mbPtr,
MenuButtonControlParams * paramsPtr )
{
int fakeMenuID = 256;
/*
* Determine ProcID based on button type and dimensions
*
* We need to set minValue to some non-zero value,
* Otherwise, the markers do not show up
*/
paramsPtr->minValue = kControlBehaviorMultiValueMenu;
paramsPtr->maxValue = 0;
if (mbPtr->image || mbPtr->bitmap) {
paramsPtr->isBevel = 1;
if (mbPtr->borderWidth <= 2) {
paramsPtr->procID = kControlBevelButtonSmallBevelProc;
} else if (mbPtr->borderWidth == 3) {
paramsPtr->procID = kControlBevelButtonNormalBevelProc;
} else {
paramsPtr->procID = kControlBevelButtonLargeBevelProc;
}
if (mbPtr->indicatorOn) {
paramsPtr->initialValue = fakeMenuID;
} else {
paramsPtr->initialValue = 0;
}
} else {
paramsPtr->isBevel = 0;
paramsPtr->procID = kControlPopupButtonProc
+ kControlPopupVariableWidthVariant;
paramsPtr->minValue = -12345;
paramsPtr->maxValue = -1;
paramsPtr->initialValue = 0;
}
}
/*
*----------------------------------------------------------------------
*
* returns 0 if same, 1 otherwise
*----------------------------------------------------------------------
*/
static void
CompareControlTitleParams(
ControlTitleParams * p1Ptr,
ControlTitleParams * p2Ptr,
int * titleChanged,
int * styleChanged
)
{
if (p1Ptr->len != p2Ptr->len) {
*titleChanged = 1;
} else {
if (bcmp(p1Ptr->title,p2Ptr->title,p1Ptr->len)) {
*titleChanged = 1;
} else {
*titleChanged = 0;
}
}
if (p1Ptr->len && p2Ptr->len) {
*styleChanged = bcmp(&p1Ptr->style, &p2Ptr->style, sizeof(p2Ptr->style));
} else {
*styleChanged = p1Ptr->len||p2Ptr->len;
}
}
static void
ComputeControlTitleParams(TkMenuButton * butPtr, ControlTitleParams * paramsPtr )
{
Tk_Font font;
paramsPtr->len =TkFontGetFirstTextLayout(butPtr->textLayout,&font, paramsPtr->title);
paramsPtr->title [paramsPtr->len] = 0;
if (paramsPtr->len) {
TkMacOSXInitControlFontStyle(font,¶msPtr->style);
}
}
/*
*----------------------------------------------------------------------
*
* MenuButtonInitControl --
*
* This procedure initialises a Carbon control
*
* Results:
* 0 on success, 1 on failure.
*
* Side effects:
* A background pane control and the control itself is created
* The contol is embedded in the background control
* The background control is embedded in the root control
* of the containing window
* The creation parameters for the control are also computed
*
*----------------------------------------------------------------------
*/
int
MenuButtonInitControl (
MacMenuButton *mbPtr, /* Mac button. */
Rect *paneRect,
Rect *cntrRect
)
{
OSErr status;
TkMenuButton * butPtr = ( TkMenuButton * )mbPtr;
ControlRef rootControl;
SInt16 procID;
Boolean initiallyVisible;
SInt16 initialValue;
SInt16 minValue;
SInt16 maxValue;
SInt32 controlReference;
int err;
short menuID;
int length;
Str255 itemText;
rootControl=TkMacOSXGetRootControl(Tk_WindowId(butPtr->tkwin));
mbPtr->windowRef=GetWindowFromPort(TkMacOSXGetDrawablePort(Tk_WindowId(butPtr->tkwin)));
/*
* Set up the user pane
*/
initiallyVisible = false;
initialValue = kControlSupportsEmbedding|
kControlHasSpecialBackground;
minValue = 0;
maxValue = 1;
procID = kControlUserPaneProc;
controlReference = (SInt32)mbPtr;
mbPtr->userPane=NewControl(mbPtr->windowRef,
paneRect, "\p",
initiallyVisible,
initialValue,
minValue,
maxValue,
procID,
controlReference );
if (!mbPtr->userPane) {
fprintf(stderr,"Failed to create user pane control\n");
return 1;
}
if ((status=EmbedControl(mbPtr->userPane,rootControl))!=noErr) {
fprintf(stderr,"Failed to embed user pane control %d\n", status);
return 1;
}
SetUserPaneSetUpSpecialBackgroundProc(mbPtr->userPane,
UserPaneBackgroundProc);
SetUserPaneDrawProc(mbPtr->userPane,UserPaneDraw);
initiallyVisible = false;
ComputeMenuButtonControlParams(butPtr,&mbPtr->params);
/* Do this only if we are using bevel buttons */
ComputeControlTitleParams(butPtr,&mbPtr->titleParams);
mbPtr->control = NewControl(mbPtr->windowRef,
cntrRect, "\p", //mbPtr->titleParams.title,
initiallyVisible,
mbPtr->params.initialValue,
mbPtr->params.minValue,
mbPtr->params.maxValue,
mbPtr->params.procID,
controlReference );
if (!mbPtr->control) {
fprintf(stderr,"failed to create control of type %d : line %d\n",mbPtr->params.procID, __LINE__);
return 1;
}
if ((err=EmbedControl(mbPtr->control,mbPtr->userPane)) != noErr ) {
fprintf(stderr,"failed to embed control of type %d,%d\n",procID, err);
return 1;
}
if (mbPtr->params.isBevel) {
CFStringRef cf;
cf = CFStringCreateWithCString(NULL,
mbPtr->titleParams.title, kCFStringEncodingUTF8);
SetControlTitleWithCFString(mbPtr->control, cf);
CFRelease(cf);
if (mbPtr->titleParams.len) {
if ((err=SetControlFontStyle(mbPtr->control,&mbPtr->titleParams.style))!=noErr) {
fprintf(stderr,"SetControlFontStyle failed %d\n", err);
return 1;
}
}
} else {
CFStringRef cf;
err = TkMacOSXGetNewMenuID(mbPtr->info.interp, (TkMenu *)mbPtr, 0, &menuID);
if (err != TCL_OK) {
return err;
}
length = strlen(Tk_PathName(mbPtr->info.tkwin));
memmove(&itemText[1], Tk_PathName(mbPtr->info.tkwin),
(length > 230) ? 230 : length);
itemText[0] = (length > 230) ? 230 : length;
if (!(mbPtr->menuRef = NewMenu(menuID,itemText))) {
return 1;
}
cf = CFStringCreateWithCString(NULL,
mbPtr->titleParams.title, kCFStringEncodingUTF8);
AppendMenuItemText(mbPtr->menuRef, "\px");
if (cf != NULL) {
SetMenuItemTextWithCFString(mbPtr->menuRef, 1, cf);
CFRelease(cf);
}
err = SetControlData(mbPtr->control,
kControlNoPart,
kControlPopupButtonMenuRefTag,
sizeof(mbPtr->menuRef), &mbPtr->menuRef);
SetControlMinimum(mbPtr->control, 1);
SetControlMaximum(mbPtr->control, 1);
SetControlValue(mbPtr->control, 1);
}
mbPtr->flags |= 2;
return 0;
}
/*
*--------------------------------------------------------------
*
* SetUserPane
*
* Utility function to add a UserPaneDrawProc
* to a userPane control. From MoreControls code
* from Apple DTS.
*
* Results:
* MacOS system error.
*
* Side effects:
* The user pane gets a new UserPaneDrawProc.
*
*--------------------------------------------------------------
*/
OSErr SetUserPaneDrawProc (
ControlRef control,
ControlUserPaneDrawProcPtr upp)
{
ControlUserPaneDrawUPP myControlUserPaneDrawUPP;
myControlUserPaneDrawUPP = NewControlUserPaneDrawUPP(upp);
return SetControlData (control,
kControlNoPart, kControlUserPaneDrawProcTag,
sizeof(myControlUserPaneDrawUPP),
(Ptr) &myControlUserPaneDrawUPP);
}
/*
*--------------------------------------------------------------
*
* SetUserPaneSetUpSpecialBackgroundProc --
*
* Utility function to add a UserPaneBackgroundProc
* to a userPane control
*
* Results:
* MacOS system error.
*
* Side effects:
* The user pane gets a new UserPaneBackgroundProc.
*
*--------------------------------------------------------------
*/
OSErr
SetUserPaneSetUpSpecialBackgroundProc(
ControlRef control,
ControlUserPaneBackgroundProcPtr upp)
{
ControlUserPaneBackgroundUPP myControlUserPaneBackgroundUPP;
myControlUserPaneBackgroundUPP = NewControlUserPaneBackgroundUPP(upp);
return SetControlData (control, kControlNoPart,
kControlUserPaneBackgroundProcTag,
sizeof(myControlUserPaneBackgroundUPP),
(Ptr) &myControlUserPaneBackgroundUPP);
}
/*
*--------------------------------------------------------------
*
* UserPaneDraw --
*
* This function draws the background of the user pane that will
* lie under checkboxes and radiobuttons.
*
* Results:
* None.
*
* Side effects:
* The user pane gets updated to the current color.
*
*--------------------------------------------------------------
*/
void
UserPaneDraw(
ControlRef control,
ControlPartCode cpc)
{
Rect contrlRect;
MacMenuButton * mbPtr;
mbPtr = ( MacMenuButton *)GetControlReference(control);
GetControlBounds(control,&contrlRect);
RGBBackColor (&mbPtr->userPaneBackground);
EraseRect (&contrlRect);
}
/*
*--------------------------------------------------------------
*
* UserPaneBackgroundProc --
*
* This function sets up the background of the user pane that will
* lie under checkboxes and radiobuttons.
*
* Results:
* None.
*
* Side effects:
* The user pane background gets set to the current color.
*
*--------------------------------------------------------------
*/
void
UserPaneBackgroundProc(
ControlHandle control,
ControlBackgroundPtr info)
{
MacMenuButton * mbPtr;
mbPtr = (MacMenuButton *)GetControlReference(control);
if (info->colorDevice) {
RGBBackColor (&mbPtr->userPaneBackground);
}
}
/*
*--------------------------------------------------------------
*
* UpdateControlColors --
*
* This function will review the colors used to display
* a Macintosh button. If any non-standard colors are
* used we create a custom palette for the button, populate
* with the colors for the button and install the palette.
*
* Under Appearance, we just set the pointer that will be
* used by the UserPaneDrawProc.
*
* Results:
* None.
*
* Side effects:
* The Macintosh control may get a custom palette installed.
*
*--------------------------------------------------------------
*/
static int
UpdateControlColors(MacMenuButton * mbPtr)
{
XColor *xcolor;
TkMenuButton * butPtr = ( TkMenuButton * )mbPtr;
/*
* Under Appearance we cannot change the background of the
* button itself. However, the color we are setting is the color
* of the containing userPane. This will be the color that peeks
* around the rounded corners of the button.
* We make this the highlightbackground rather than the background,
* because if you color the background of a frame containing a
* button, you usually also color the highlightbackground as well,
* or you will get a thin grey ring around the button.
*/
xcolor = Tk_3DBorderColor(butPtr->normalBorder);
TkSetMacColor(xcolor->pixel, &mbPtr->userPaneBackground);
return false;
}