/
tkMacOSXButton.c
1619 lines (1459 loc) · 45.6 KB
/
tkMacOSXButton.c
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/*
* tkMacOSXButton.c --
*
* This file implements the Macintosh specific portion of the
* button widgets.
*
* Copyright (c) 1996-1997 by Sun Microsystems, Inc.
* Copyright 2001, Apple Computer, Inc.
* Copyright (c) 2006-2007 Daniel A. Steffen <das@users.sourceforge.net>
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkMacOSXPrivate.h"
#include "tkButton.h"
#include "tkMacOSXFont.h"
#include "tkMacOSXDebug.h"
#define DEFAULT_USE_TK_TEXT 0
#define CONTROL_INITIALIZED 1
#define FIRST_DRAW 2
#define ACTIVE 4
#define MAX_VALUE 2
/*
* Default insets for controls
*/
#define DEF_INSET_LEFT 2
#define DEF_INSET_RIGHT 2
#define DEF_INSET_TOP 2
#define DEF_INSET_BOTTOM 4
/*
* Some defines used to control what type of control is drawn.
*/
#define DRAW_LABEL 0 /* Labels are treated genericly. */
#define DRAW_CONTROL 1 /* Draw using the Native control. */
#define DRAW_CUSTOM 2 /* Make our own button drawing. */
#define DRAW_BEVEL 3
/*
* Declaration of Mac specific button structure.
*/
typedef struct {
SInt16 initialValue;
SInt16 minValue;
SInt16 maxValue;
SInt16 procID;
int isBevel;
} MacControlParams;
typedef struct {
int drawType;
Tk_3DBorder border;
int relief;
int offset; /* 0 means this is a normal widget. 1 means
* it is an image button, so we offset the
* image to make the button appear to move
* up and down as the relief changes. */
GC gc;
int hasImageOrBitmap;
} DrawParams;
typedef struct {
TkButton info; /* Generic button info */
int id;
int usingControl;
int useTkText;
int flags; /* Initialisation status */
MacControlParams params;
WindowRef windowRef;
unsigned long userPaneBackground;
ControlRef userPane; /* Carbon control */
ControlRef control; /* Carbon control */
Str255 controlTitle;
ControlFontStyleRec fontStyle;
/*
* The following are used to store the image content for
* beveled buttons, i.e. buttons with images.
*/
ControlButtonContentInfo bevelButtonContent;
OpenCPicParams picParams;
} MacButton;
/*
* Forward declarations for procedures defined later in this file:
*/
static OSStatus SetUserPaneDrawProc(ControlRef control,
ControlUserPaneDrawProcPtr upp);
static OSStatus SetUserPaneSetUpSpecialBackgroundProc(ControlRef control,
ControlUserPaneBackgroundProcPtr upp);
static void UserPaneDraw(ControlRef control, ControlPartCode cpc);
static void UserPaneBackgroundProc(ControlHandle,
ControlBackgroundPtr info);
static void ButtonEventProc(ClientData clientData, XEvent *eventPtr);
static int UpdateControlColors(MacButton *mbPtr);
static void TkMacOSXComputeControlParams(TkButton *butPtr,
MacControlParams *paramsPtr);
static int TkMacOSXComputeDrawParams(TkButton *butPtr, DrawParams *dpPtr);
static void TkMacOSXDrawControl(MacButton *butPtr, GWorldPtr destPort, GC gc,
Pixmap pixmap);
static void SetupBevelButton(MacButton *butPtr, ControlRef controlHandle,
GWorldPtr destPort, GC gc, Pixmap pixmap);
/*
* The class procedure table for the button widgets.
*/
Tk_ClassProcs tkpButtonProcs = {
sizeof(Tk_ClassProcs), /* size */
TkButtonWorldChanged, /* worldChangedProc */
};
static int bCount;
/*
*----------------------------------------------------------------------
*
* TkpCreateButton --
*
* Allocate a new TkButton structure.
*
* Results:
* Returns a newly allocated TkButton structure.
*
* Side effects:
* Registers an event handler for the widget.
*
*----------------------------------------------------------------------
*/
TkButton *
TkpCreateButton(
Tk_Window tkwin)
{
MacButton *macButtonPtr = (MacButton *) ckalloc(sizeof(MacButton));
Tk_CreateEventHandler(tkwin, ActivateMask,
ButtonEventProc, (ClientData) macButtonPtr);
macButtonPtr->id = bCount++;
macButtonPtr->usingControl = 0;
macButtonPtr->flags = 0;
macButtonPtr->userPaneBackground = PIXEL_MAGIC << 24;
macButtonPtr->userPane = NULL;
macButtonPtr->control = NULL;
macButtonPtr->controlTitle[0] = 0;
macButtonPtr->controlTitle[1] = 0;
bzero(&macButtonPtr->params, sizeof(macButtonPtr->params));
bzero(&macButtonPtr->fontStyle, sizeof(macButtonPtr->fontStyle));
return (TkButton *)macButtonPtr;
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayButton --
*
* This procedure is invoked to display a button widget. It is
* normally invoked as an idle handler.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the button in its
* current mode. The REDRAW_PENDING flag is cleared.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayButton(
ClientData clientData) /* Information about widget. */
{
MacButton *macButtonPtr = (MacButton *) clientData;
TkButton *butPtr = (TkButton *) clientData;
Tk_Window tkwin = butPtr->tkwin;
CGrafPtr destPort, savePort;
Boolean portChanged;
Pixmap pixmap;
int width, height, fullWidth, fullHeight, textXOffset, textYOffset;
int borderWidth, wasUsingControl;
int haveImage = 0, haveText = 0, imageWidth = 0, imageHeight = 0;
int imageXOffset = 0, imageYOffset = 0; /* image information that will
* be used to restrict disabled
* pixmap as well */
DrawParams drawParams, *dpPtr = &drawParams;
butPtr->flags &= ~REDRAW_PENDING;
if ((butPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
return;
}
pixmap = (Pixmap) Tk_WindowId(tkwin);
wasUsingControl = macButtonPtr->usingControl;
if (TkMacOSXComputeDrawParams(butPtr, &drawParams) ) {
macButtonPtr->usingControl = 1;
if (butPtr->type == TYPE_BUTTON) {
macButtonPtr->useTkText = 0;
} else {
macButtonPtr->useTkText = 1;
}
} else {
macButtonPtr->usingControl = 0;
macButtonPtr->useTkText = 1;
}
/*
* See the comment in UpdateControlColors as to why we use the
* highlightbackground for the border of Macintosh buttons.
*/
if (macButtonPtr->useTkText) {
if (butPtr->type == TYPE_BUTTON) {
Tk_Fill3DRectangle(tkwin, pixmap, butPtr->highlightBorder, 0, 0,
Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT);
} else {
Tk_Fill3DRectangle(tkwin, pixmap, butPtr->normalBorder, 0, 0,
Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT);
}
}
/*
* Set up clipping region. Make sure the we are using the port
* for this button, or we will set the wrong window's clip.
*/
destPort = TkMacOSXGetDrawablePort(pixmap);
portChanged = QDSwapPort(destPort, &savePort);
TkMacOSXSetUpClippingRgn(pixmap);
/*
* Draw the native portion of the buttons. Start by creating the control
* if it doesn't already exist. Then configure the Macintosh control from
* the Tk info. Finally, we call Draw1Control to draw to the screen.
*/
if (macButtonPtr->usingControl) {
borderWidth = 0;
TkMacOSXDrawControl(macButtonPtr, destPort, dpPtr->gc, pixmap);
} else if (wasUsingControl && macButtonPtr->userPane) {
DisposeControl(macButtonPtr->userPane);
macButtonPtr->userPane = NULL;
macButtonPtr->control = NULL;
macButtonPtr->flags = 0;
}
if ((dpPtr->drawType == DRAW_CUSTOM) || (dpPtr->drawType == DRAW_LABEL)) {
borderWidth = butPtr->borderWidth;
}
/*
* Display image or bitmap or text for button. This has
* already been done under Appearance with the Bevel
* button types.
*/
if (dpPtr->drawType == DRAW_BEVEL) {
goto applyStipple;
}
if (butPtr->image != None) {
Tk_SizeOfImage(butPtr->image, &width, &height);
haveImage = 1;
} else if (butPtr->bitmap != None) {
Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
haveImage = 1;
}
imageWidth = width;
imageHeight = height;
haveText = (butPtr->textWidth != 0 && butPtr->textHeight != 0);
if (butPtr->compound != COMPOUND_NONE && haveImage && haveText) {
int x, y;
textXOffset = 0;
textYOffset = 0;
fullWidth = 0;
fullHeight = 0;
switch ((enum compound) butPtr->compound) {
case COMPOUND_TOP:
case COMPOUND_BOTTOM:
/*
* Image is above or below text.
*/
if (butPtr->compound == COMPOUND_TOP) {
textYOffset = height + butPtr->padY;
} else {
imageYOffset = butPtr->textHeight + butPtr->padY;
}
fullHeight = height + butPtr->textHeight + butPtr->padY;
fullWidth = (width > butPtr->textWidth ? width :
butPtr->textWidth);
textXOffset = (fullWidth - butPtr->textWidth)/2;
imageXOffset = (fullWidth - width)/2;
break;
case COMPOUND_LEFT:
case COMPOUND_RIGHT:
/*
* Image is left or right of text.
*/
if (butPtr->compound == COMPOUND_LEFT) {
textXOffset = width + butPtr->padX;
} else {
imageXOffset = butPtr->textWidth + butPtr->padX;
}
fullWidth = butPtr->textWidth + butPtr->padX + width;
fullHeight = (height > butPtr->textHeight ? height :
butPtr->textHeight);
textYOffset = (fullHeight - butPtr->textHeight)/2;
imageYOffset = (fullHeight - height)/2;
break;
case COMPOUND_CENTER:
/*
* Image and text are superimposed.
*/
fullWidth = (width > butPtr->textWidth ? width :
butPtr->textWidth);
fullHeight = (height > butPtr->textHeight ? height :
butPtr->textHeight);
textXOffset = (fullWidth - butPtr->textWidth)/2;
imageXOffset = (fullWidth - width)/2;
textYOffset = (fullHeight - butPtr->textHeight)/2;
imageYOffset = (fullHeight - height)/2;
break;
case COMPOUND_NONE:
break;
}
TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY,
butPtr->indicatorSpace + fullWidth, fullHeight, &x, &y);
x += butPtr->indicatorSpace;
x += dpPtr->offset;
y += dpPtr->offset;
if (dpPtr->relief == TK_RELIEF_RAISED) {
x -= dpPtr->offset;
y -= dpPtr->offset;
} else if (dpPtr->relief == TK_RELIEF_SUNKEN) {
x += dpPtr->offset;
y += dpPtr->offset;
}
imageXOffset += x;
imageYOffset += y;
if (butPtr->image != NULL) {
if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) {
Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
} else if ((butPtr->tristateImage != NULL) &&
(butPtr->flags & TRISTATED)) {
Tk_RedrawImage(butPtr->tristateImage, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
} else {
Tk_RedrawImage(butPtr->image, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
}
} else {
XSetClipOrigin(butPtr->display, dpPtr->gc, imageXOffset,
imageYOffset);
XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, dpPtr->gc,
0, 0, width, height, imageXOffset, imageYOffset, 1);
XSetClipOrigin(butPtr->display, dpPtr->gc, 0, 0);
}
if (macButtonPtr->useTkText) {
Tk_DrawTextLayout(butPtr->display, pixmap, dpPtr->gc,
butPtr->textLayout, x + textXOffset, y + textYOffset, 0,
-1);
Tk_UnderlineTextLayout(butPtr->display, pixmap, dpPtr->gc,
butPtr->textLayout, x + textXOffset, y + textYOffset,
butPtr->underline);
}
y += fullHeight/2;
} else if (haveImage) {
int x = 0, y;
TkComputeAnchor(butPtr->anchor, tkwin, 0, 0,
butPtr->indicatorSpace + width, height, &x, &y);
x += butPtr->indicatorSpace;
x += dpPtr->offset;
y += dpPtr->offset;
if (dpPtr->relief == TK_RELIEF_RAISED) {
x -= dpPtr->offset;
y -= dpPtr->offset;
} else if (dpPtr->relief == TK_RELIEF_SUNKEN) {
x += dpPtr->offset;
y += dpPtr->offset;
}
imageXOffset += x;
imageYOffset += y;
if (butPtr->image != NULL) {
if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) {
Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
} else if ((butPtr->tristateImage != NULL) &&
(butPtr->flags & TRISTATED)) {
Tk_RedrawImage(butPtr->tristateImage, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
} else {
Tk_RedrawImage(butPtr->image, 0, 0, width, height,
pixmap, imageXOffset, imageYOffset);
}
} else {
XSetClipOrigin(butPtr->display, dpPtr->gc, x, y);
XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, dpPtr->gc,
0, 0, width, height, x, y, 1);
XSetClipOrigin(butPtr->display, dpPtr->gc, 0, 0);
}
y += height/2;
} else if (macButtonPtr->useTkText) {
int x = 0, y;
TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY,
butPtr->indicatorSpace + butPtr->textWidth,
butPtr->textHeight, &x, &y);
x += butPtr->indicatorSpace;
Tk_DrawTextLayout(butPtr->display, pixmap, dpPtr->gc,
butPtr->textLayout, x, y, 0, -1);
}
/*
* If the button is disabled with a stipple rather than a special
* foreground color, generate the stippled effect. If the widget
* is selected and we use a different background color when selected,
* must temporarily modify the GC so the stippling is the right color.
*/
applyStipple:
if (macButtonPtr->useTkText) {
if ((butPtr->state == STATE_DISABLED)
&& ((butPtr->disabledFg == NULL) || (butPtr->image != NULL))) {
if ((butPtr->flags & SELECTED) && !butPtr->indicatorOn
&& (butPtr->selectBorder != NULL)) {
XSetForeground(butPtr->display, butPtr->stippleGC,
Tk_3DBorderColor(butPtr->selectBorder)->pixel);
}
/*
* Stipple the whole button if no disabledFg was specified,
* otherwise restrict stippling only to displayed image
*/
if (butPtr->disabledFg == NULL) {
XFillRectangle(butPtr->display, pixmap, butPtr->stippleGC,
0, 0, (unsigned) Tk_Width(tkwin),
(unsigned) Tk_Height(tkwin));
} else {
XFillRectangle(butPtr->display, pixmap, butPtr->stippleGC,
imageXOffset, imageYOffset,
(unsigned) imageWidth, (unsigned) imageHeight);
}
if ((butPtr->flags & SELECTED) && !butPtr->indicatorOn
&& (butPtr->selectBorder != NULL)) {
XSetForeground(butPtr->display, butPtr->stippleGC,
Tk_3DBorderColor(butPtr->normalBorder)->pixel);
}
}
/*
* Draw the border and traversal highlight last. This way, if the
* button's contents overflow they'll be covered up by the border.
*/
if (dpPtr->relief != TK_RELIEF_FLAT) {
int inset = butPtr->highlightWidth;
Tk_Draw3DRectangle(tkwin, pixmap, dpPtr->border, inset, inset,
Tk_Width(tkwin) - 2*inset, Tk_Height(tkwin) - 2*inset,
borderWidth, dpPtr->relief);
}
}
if (portChanged) {
QDSwapPort(savePort, NULL);
}
}
/*
*----------------------------------------------------------------------
*
* TkpComputeButtonGeometry --
*
* After changes in a button's text or bitmap, this procedure
* recomputes the button's geometry and passes this information
* along to the geometry manager for the window.
*
* Results:
* None.
*
* Side effects:
* The button's window may change size.
*
*----------------------------------------------------------------------
*/
void
TkpComputeButtonGeometry(
TkButton *butPtr) /* Button whose geometry may have changed. */
{
int width, height, avgWidth, haveImage = 0, haveText = 0;
int xInset, yInset, txtWidth, txtHeight;
Tk_FontMetrics fm;
DrawParams drawParams;
/*
* First figure out the size of the contents of the button.
*/
width = 0;
height = 0;
txtWidth = 0;
txtHeight = 0;
avgWidth = 0;
butPtr->indicatorSpace = 0;
if (butPtr->image != NULL) {
Tk_SizeOfImage(butPtr->image, &width, &height);
haveImage = 1;
} else if (butPtr->bitmap != None) {
Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
haveImage = 1;
}
if (haveImage == 0 || butPtr->compound != COMPOUND_NONE) {
Tk_FreeTextLayout(butPtr->textLayout);
butPtr->textLayout = Tk_ComputeTextLayout(butPtr->tkfont,
Tcl_GetString(butPtr->textPtr), -1, butPtr->wrapLength,
butPtr->justify, 0, &butPtr->textWidth, &butPtr->textHeight);
txtWidth = butPtr->textWidth;
txtHeight = butPtr->textHeight;
avgWidth = Tk_TextWidth(butPtr->tkfont, "0", 1);
Tk_GetFontMetrics(butPtr->tkfont, &fm);
haveText = (txtWidth != 0 && txtHeight != 0);
}
/*
* If the button is compound (ie, it shows both an image and text),
* the new geometry is a combination of the image and text geometry.
* We only honor the compound bit if the button has both text and an
* image, because otherwise it is not really a compound button.
*/
if (butPtr->compound != COMPOUND_NONE && haveImage && haveText) {
switch ((enum compound) butPtr->compound) {
case COMPOUND_TOP:
case COMPOUND_BOTTOM:
/*
* Image is above or below text.
*/
height += txtHeight + butPtr->padY;
width = (width > txtWidth ? width : txtWidth);
break;
case COMPOUND_LEFT:
case COMPOUND_RIGHT:
/*
* Image is left or right of text.
*/
width += txtWidth + butPtr->padX;
height = (height > txtHeight ? height : txtHeight);
break;
case COMPOUND_CENTER:
/*
* Image and text are superimposed.
*/
width = (width > txtWidth ? width : txtWidth);
height = (height > txtHeight ? height : txtHeight);
break;
case COMPOUND_NONE:
break;
}
if (butPtr->width > 0) {
width = butPtr->width;
}
if (butPtr->height > 0) {
height = butPtr->height;
}
if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
butPtr->indicatorSpace = height;
if (butPtr->type == TYPE_CHECK_BUTTON) {
butPtr->indicatorDiameter = (65 * height)/100;
} else {
butPtr->indicatorDiameter = (75 * height)/100;
}
}
width += 2 * butPtr->padX;
height += 2 * butPtr->padY;
} else if (haveImage) {
if (butPtr->width > 0) {
width = butPtr->width;
}
if (butPtr->height > 0) {
height = butPtr->height;
}
if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
butPtr->indicatorSpace = height;
if (butPtr->type == TYPE_CHECK_BUTTON) {
butPtr->indicatorDiameter = (65 * height)/100;
} else {
butPtr->indicatorDiameter = (75 * height)/100;
}
}
} else {
width = txtWidth;
height = txtHeight;
if (butPtr->width > 0) {
width = butPtr->width * avgWidth;
}
if (butPtr->height > 0) {
height = butPtr->height * fm.linespace;
}
if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
butPtr->indicatorDiameter = fm.linespace;
if (butPtr->type == TYPE_CHECK_BUTTON) {
butPtr->indicatorDiameter =
(80 * butPtr->indicatorDiameter)/100;
}
butPtr->indicatorSpace = butPtr->indicatorDiameter + avgWidth;
}
}
/*
* Now figure out the size of the border decorations for the button.
*/
if (butPtr->highlightWidth < 0) {
butPtr->highlightWidth = 0;
}
/*
* The width and height calculation for Appearance buttons with images &
* non-Appearance buttons with images is different. In the latter case,
* we add the borderwidth to the inset, since we are going to stamp a
* 3-D border over the image. In the former, we add it to the height,
* directly, since Appearance will draw the border as part of our control.
*
* When issuing the geometry request, add extra space for the indicator,
* if any, and for the border and padding, plus if this is an image two
* extra pixels so the display can be offset by 1 pixel in either
* direction for the raised or lowered effect.
*
* The highlight width corresponds to the default ring on the Macintosh.
* As such, the highlight width is only added if the button is the default
* button. The actual width of the default ring is one less than the
* highlight width as there is also one pixel of spacing.
* Appearance buttons with images do not have a highlight ring, because the
* Bevel button type does not support one.
*/
if ((butPtr->image == None) && (butPtr->bitmap == None)) {
width += 2*butPtr->padX;
height += 2*butPtr->padY;
}
if ((butPtr->type == TYPE_BUTTON)) {
if ((butPtr->image == None) && (butPtr->bitmap == None)) {
butPtr->inset = 0;
if (butPtr->defaultState != STATE_DISABLED) {
butPtr->inset += butPtr->highlightWidth;
}
} else {
butPtr->inset = 0;
width += (2 * butPtr->borderWidth + 4);
height += (2 * butPtr->borderWidth + 4);
}
} else if (butPtr->type == TYPE_LABEL) {
butPtr->inset = butPtr->borderWidth;
} else if (butPtr->indicatorOn) {
butPtr->inset = 0;
} else {
/*
* Under Appearance, the Checkbutton or radiobutton with an image
* is represented by a BevelButton with the Sticky defProc...
* So we must set its height in the same way as the Button
* with an image or bitmap.
*/
if (butPtr->image != None || butPtr->bitmap != None) {
int border;
butPtr->inset = 0;
if (butPtr->borderWidth <= 2) {
border = 6;
} else {
border = 2 * butPtr->borderWidth + 2;
}
width += border;
height += border;
} else {
butPtr->inset = butPtr->borderWidth;
}
}
if (TkMacOSXComputeDrawParams(butPtr, &drawParams)) {
xInset = butPtr->indicatorSpace + DEF_INSET_LEFT + DEF_INSET_RIGHT;
yInset = DEF_INSET_TOP + DEF_INSET_BOTTOM;
} else {
xInset = butPtr->indicatorSpace+butPtr->inset*2;
yInset = butPtr->inset*2;
}
Tk_GeometryRequest(butPtr->tkwin, width + xInset, height + yInset);
Tk_SetInternalBorder(butPtr->tkwin, butPtr->inset);
}
/*
*----------------------------------------------------------------------
*
* TkpDestroyButton --
*
* Free data structures associated with the button control.
*
* Results:
* None.
*
* Side effects:
* Restores the default control state.
*
*----------------------------------------------------------------------
*/
void
TkpDestroyButton(
TkButton *butPtr)
{
MacButton *mbPtr = (MacButton *) butPtr; /* Mac button. */
if (mbPtr->userPane) {
DisposeControl(mbPtr->userPane);
mbPtr->userPane = NULL;
}
}
/*
*----------------------------------------------------------------------
*
* TkMacOSXInitControl --
*
* 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
*
*----------------------------------------------------------------------
*/
static int
TkMacOSXInitControl(
MacButton *mbPtr, /* Mac button. */
GWorldPtr destPort,
GC gc,
Pixmap pixmap,
Rect *paneRect,
Rect *cntrRect)
{
TkButton *butPtr = (TkButton *) mbPtr;
ControlRef rootControl;
SInt16 procID, initialValue, minValue, maxValue;
Boolean initiallyVisible;
SInt32 controlReference;
rootControl = TkMacOSXGetRootControl(Tk_WindowId(butPtr->tkwin));
mbPtr->windowRef = TkMacOSXDrawableWindow(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) {
TkMacOSXDbgMsg("Failed to create user pane control");
return 1;
}
if (ChkErr(EmbedControl, mbPtr->userPane,rootControl) != noErr) {
return 1;
}
SetUserPaneSetUpSpecialBackgroundProc(mbPtr->userPane,
UserPaneBackgroundProc);
SetUserPaneDrawProc(mbPtr->userPane,UserPaneDraw);
initiallyVisible = false;
TkMacOSXComputeControlParams(butPtr,&mbPtr->params);
mbPtr->control = NewControl(mbPtr->windowRef, cntrRect, "\p",
initiallyVisible, mbPtr->params.initialValue,
mbPtr->params.minValue, mbPtr->params.maxValue,
mbPtr->params.procID, controlReference);
if (!mbPtr->control) {
TkMacOSXDbgMsg("Failed to create control of type %d\n", procID);
return 1;
}
if (ChkErr(EmbedControl, mbPtr->control,mbPtr->userPane) != noErr ) {
return 1;
}
mbPtr->flags |= (CONTROL_INITIALIZED | FIRST_DRAW);
if (IsWindowActive(mbPtr->windowRef)) {
mbPtr->flags |= ACTIVE;
}
return 0;
}
/*
*--------------------------------------------------------------
*
* TkMacOSXDrawControl --
*
* This function draws the tk button using Mac controls
* In addition, this code may apply custom colors passed
* in the TkButton.
*
* Results:
* None.
*
* Side effects:
* The control is created, or reinitialised as needed.
*
*--------------------------------------------------------------
*/
static void
TkMacOSXDrawControl(
MacButton *mbPtr, /* Mac button. */
GWorldPtr destPort, /* Off screen GWorld. */
GC gc, /* The GC we are drawing into - needed for the
* bevel button */
Pixmap pixmap) /* The pixmap we are drawing into - needed for
* the bevel button */
{
TkButton *butPtr = (TkButton *) mbPtr;
TkWindow *winPtr;
Rect paneRect, cntrRect;
int active, enabled;
int rebuild;
winPtr = (TkWindow *) butPtr->tkwin;
paneRect.left = winPtr->privatePtr->xOff;
paneRect.top = winPtr->privatePtr->yOff;
paneRect.right = paneRect.left + Tk_Width(butPtr->tkwin);
paneRect.bottom = paneRect.top + Tk_Height(butPtr->tkwin);
cntrRect = paneRect;
/*
cntrRect.left += butPtr->inset;
cntrRect.top += butPtr->inset;
cntrRect.right -= butPtr->inset;
cntrRect.bottom -= butPtr->inset;
*/
cntrRect.left += DEF_INSET_LEFT;
cntrRect.top += DEF_INSET_TOP;
cntrRect.right -= DEF_INSET_RIGHT;
cntrRect.bottom -= DEF_INSET_BOTTOM;
/*
* The control has been previously initialised.
* It may need to be re-initialised
*/
#ifdef TK_REBUILD_TOPLEVEL
rebuild = (winPtr->flags & TK_REBUILD_TOPLEVEL);
winPtr->flags &= ~TK_REBUILD_TOPLEVEL;
#else
rebuild = 0;
#endif
if (mbPtr->flags) {
MacControlParams params;
TkMacOSXComputeControlParams(butPtr, ¶ms);
if (rebuild || bcmp(¶ms, &mbPtr->params, sizeof(params))) {
/*
* The type of control has changed.
* Clean it up and clear the flag.
*/
if (mbPtr->userPane) {
DisposeControl(mbPtr->userPane);
mbPtr->userPane = NULL;
mbPtr->control = NULL;
}
mbPtr->flags = 0;
}
}
if (!(mbPtr->flags & CONTROL_INITIALIZED)) {
if (TkMacOSXInitControl(mbPtr, destPort, gc, pixmap, &paneRect,
&cntrRect)) {
return;
}
}
SetControlBounds(mbPtr->userPane, &paneRect);
SetControlBounds(mbPtr->control, &cntrRect);
if (!mbPtr->useTkText) {
Str255 controlTitle;
ControlFontStyleRec fontStyle;
Tk_Font font;
int len;
if (((mbPtr->info.image == NULL) && (mbPtr->info.bitmap == None))
|| (mbPtr->info.compound != COMPOUND_NONE)) {
len = TkFontGetFirstTextLayout(butPtr->textLayout,
&font, (char*) controlTitle);
controlTitle[len] = 0;
} else {
len = 0;
controlTitle[0] = 0;
}
if (rebuild || bcmp(mbPtr->controlTitle, controlTitle, len+1)) {
CFStringRef cf = CFStringCreateWithCString(NULL,
(char*) controlTitle, kCFStringEncodingUTF8);
if (cf != NULL) {
SetControlTitleWithCFString(mbPtr->control, cf);
CFRelease(cf);
}
bcopy(controlTitle, mbPtr->controlTitle, len+1);
}
if (len) {
TkMacOSXInitControlFontStyle(font, &fontStyle);
if (bcmp(&mbPtr->fontStyle, &fontStyle, sizeof(fontStyle)) ) {
ChkErr(SetControlFontStyle, mbPtr->control, &fontStyle);
bcopy(&fontStyle, &mbPtr->fontStyle, sizeof(fontStyle));
}
}
}
if (mbPtr->params.isBevel) {
/*
* Initialiase the image/button parameters.
*/
SetupBevelButton(mbPtr, mbPtr->control, destPort, gc, pixmap);
}
if (butPtr->flags & SELECTED) {
SetControlValue(mbPtr->control, 1);
} else if (butPtr->flags & TRISTATED) {
SetControlValue(mbPtr->control, 2);
} else {
SetControlValue(mbPtr->control, 0);
}
active = ((mbPtr->flags & ACTIVE) != 0);
if (active != IsControlActive(mbPtr->control)) {
if (active) {
ChkErr(ActivateControl, mbPtr->control);
} else {
ChkErr(DeactivateControl, mbPtr->control);
}
}
enabled = !(butPtr->state == STATE_DISABLED);
if (enabled != IsControlEnabled(mbPtr->control)) {
if (enabled) {
ChkErr(EnableControl, mbPtr->control);
} else {
ChkErr(DisableControl, mbPtr->control);
}
}
if (active && enabled) {
if (butPtr->state == STATE_ACTIVE) {
if (mbPtr->params.isBevel) {
HiliteControl(mbPtr->control, kControlButtonPart);
} else {
switch (butPtr->type) {