tkMacButton.c
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- /*
- * tkMacButton.c --
- *
- * This file implements the Macintosh specific portion of the
- * button widgets.
- *
- * Copyright (c) 1996-1997 by Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tkMacButton.c,v 1.17.2.3 2004/10/27 00:37:38 davygrvy Exp $
- */
- #include "tkButton.h"
- #include "tkMacInt.h"
- #include <Controls.h>
- #include <ControlDefinitions.h>
- #include <LowMem.h>
- #include <Appearance.h>
- #include <ToolUtils.h>
- /*
- * 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
- /*
- * The following structures are used to draw our controls. Rather than
- * having many Mac controls we just use one control of each type and
- * reuse them for all Tk widgets. When the windowRef variable is NULL
- * it means none of the data structures have been allocated.
- */
- static WindowRef windowRef = NULL;
- static CWindowRecord windowRecord;
- static ControlRef buttonHandle;
- static ControlRef checkHandle;
- static ControlRef radioHandle;
- static ControlRef smallBevelHandle;
- static ControlRef smallStickyBevelHandle;
- static ControlRef medBevelHandle;
- static ControlRef medStickyBevelHandle;
- static ControlRef largeBevelHandle;
- static ControlRef largeStickyBevelHandle;
- /*
- * These are used to store the image content for
- * beveled buttons - i.e. buttons with images.
- */
-
- static ControlButtonContentInfo bevelButtonContent;
- static OpenCPicParams picParams;
- static CCTabHandle buttonTabHandle;
- static CCTabHandle checkTabHandle;
- static CCTabHandle radioTabHandle;
- static PixMapHandle oldPixPtr;
- /*
- * These functions are used when Appearance is present.
- * By embedding all our controls in a userPane control,
- * we can color the background of the text in radiobuttons
- * and checkbuttons. Thanks to Peter Gontier of Apple DTS
- * for help on this one.
- */
- static ControlRef userPaneHandle;
- static RGBColor gUserPaneBackground = { ~0, ~0, ~0};
- static pascal OSErr SetUserPaneDrawProc(ControlRef control,
- ControlUserPaneDrawProcPtr upp);
- static pascal OSErr SetUserPaneSetUpSpecialBackgroundProc(ControlRef control,
- ControlUserPaneBackgroundProcPtr upp);
- static pascal void UserPaneDraw(ControlRef control, ControlPartCode cpc);
- static pascal void UserPaneBackgroundProc(ControlHandle,
- ControlBackgroundPtr info);
- /*
- * Forward declarations for procedures defined later in this file:
- */
- static void ButtonEventProc _ANSI_ARGS_((
- ClientData clientData, XEvent *eventPtr));
- static int UpdateControlColors _ANSI_ARGS_((TkButton *butPtr,
- ControlRef controlHandle, CCTabHandle ccTabHandle,
- RGBColor *saveColorPtr));
- static void DrawBufferedControl _ANSI_ARGS_((TkButton *butPtr,
- GWorldPtr destPort, GC gc, Pixmap pixmap));
- static void InitSampleControls();
- static void SetupBevelButton _ANSI_ARGS_((TkButton *butPtr,
- ControlRef controlHandle,
- GWorldPtr destPort, GC gc, Pixmap pixmap));
- static void ChangeBackgroundWindowColor _ANSI_ARGS_((
- WindowRef macintoshWindow, RGBColor rgbColor,
- RGBColor *oldColor));
- static void ButtonExitProc _ANSI_ARGS_((ClientData clientData));
- /*
- * The class procedure table for the button widgets.
- */
- Tk_ClassProcs tkpButtonProcs = {
- sizeof(Tk_ClassProcs), /* size */
- TkButtonWorldChanged, /* worldChangedProc */
- };
- /*
- *----------------------------------------------------------------------
- *
- * 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)
- {
- TkButton *buttonPtr;
- buttonPtr = (TkButton *) ckalloc(sizeof(TkButton));
- Tk_CreateEventHandler(tkwin, ActivateMask,
- ButtonEventProc, (ClientData) buttonPtr);
- return buttonPtr;
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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. */
- {
- TkButton *butPtr = (TkButton *) clientData;
- Pixmap pixmap;
- GC gc;
- Tk_3DBorder border;
- int x = 0; /* Initialization only needed to stop
- * compiler warning. */
- int y, relief;
- register Tk_Window tkwin = butPtr->tkwin;
- int width, height, fullWidth, fullHeight;
- int textXOffset, textYOffset;
- int haveImage = 0, haveText = 0;
- 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. */
- int hasImageOrBitmap;
- CGrafPtr saveWorld;
- GDHandle saveDevice;
- GWorldPtr destPort;
- int drawType, borderWidth;
- int imageWidth, imageHeight;
- int imageXOffset = 0, imageYOffset = 0; /* image information that will
- * be used to restrict disabled
- * pixmap as well */
- GetGWorld(&saveWorld, &saveDevice);
- butPtr->flags &= ~REDRAW_PENDING;
- if ((butPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
- return;
- }
- /*
- * In order to avoid screen flashes, this procedure redraws
- * the button in a pixmap, then copies the pixmap to the
- * screen in a single operation. This means that there's no
- * point in time where the on-sreen image has been cleared.
- */
- pixmap = Tk_GetPixmap(butPtr->display, Tk_WindowId(tkwin),
- Tk_Width(tkwin), Tk_Height(tkwin), Tk_Depth(tkwin));
- hasImageOrBitmap = ((butPtr->image != NULL) || (butPtr->bitmap != None));
- offset = (butPtr->type == TYPE_BUTTON) && hasImageOrBitmap;
- border = butPtr->normalBorder;
- if ((butPtr->state == STATE_DISABLED) && (butPtr->disabledFg != NULL)) {
- gc = butPtr->disabledGC;
- } else if ((butPtr->type == TYPE_BUTTON)
- && (butPtr->state == STATE_ACTIVE)) {
- gc = butPtr->activeTextGC;
- border = butPtr->activeBorder;
- } else {
- gc = butPtr->normalTextGC;
- }
-
- if ((butPtr->flags & SELECTED) && (butPtr->state != STATE_ACTIVE)
- && (butPtr->selectBorder != NULL) && !butPtr->indicatorOn) {
- border = butPtr->selectBorder;
- }
- /*
- * Override the relief specified for the button if this is a
- * checkbutton or radiobutton and there's no indicator.
- * However, don't do this in the presence of Appearance, since
- * then the bevel button will take care of the relief.
- */
- relief = butPtr->relief;
- if ((butPtr->type >= TYPE_CHECK_BUTTON) && !butPtr->indicatorOn) {
- if (!TkMacHaveAppearance() || !hasImageOrBitmap) {
- if (butPtr->flags & SELECTED) {
- relief = TK_RELIEF_SUNKEN;
- } else if (butPtr->overRelief != relief) {
- relief = butPtr->offRelief;
- }
- }
- }
- /*
- * See the comment in UpdateControlColors as to why we use the
- * highlightbackground for the border of Macintosh buttons.
- */
-
- 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);
- }
-
- if (butPtr->type == TYPE_LABEL) {
- drawType = DRAW_LABEL;
- } else if (butPtr->type == TYPE_BUTTON) {
- if (!hasImageOrBitmap) {
- drawType = DRAW_CONTROL;
- } else if (butPtr->image != None) {
- drawType = DRAW_BEVEL;
- } else {
- /*
- * TO DO - The current way the we draw bitmaps (XCopyPlane)
- * uses CopyDeepMask in this one case. The Picture recording
- * does not record this call, and so we can't use the
- * Appearance bevel button here. The only case that would
- * exercise this is if you use a bitmap, with
- * -data & -mask specified. We should probably draw the
- * appearance button and overprint the image in this case.
- * This just punts and draws the old-style, ugly, button.
- */
-
- if (gc->clip_mask == 0) {
- drawType = DRAW_BEVEL;
- } else {
- TkpClipMask *clipPtr = (TkpClipMask*) gc->clip_mask;
- if ((clipPtr->type == TKP_CLIP_PIXMAP) &&
- (clipPtr->value.pixmap != butPtr->bitmap)) {
- drawType = DRAW_CUSTOM;
- } else {
- drawType = DRAW_BEVEL;
- }
- }
- }
- } else {
- if (butPtr->indicatorOn) {
- drawType = DRAW_CONTROL;
- } else if (hasImageOrBitmap) {
- if (gc->clip_mask == 0) {
- drawType = DRAW_BEVEL;
- } else {
- TkpClipMask *clipPtr = (TkpClipMask*) gc->clip_mask;
- if ((clipPtr->type == TKP_CLIP_PIXMAP) &&
- (clipPtr->value.pixmap != butPtr->bitmap)) {
- drawType = DRAW_CUSTOM;
- } else {
- drawType = DRAW_BEVEL;
- }
- }
- } else {
- drawType = DRAW_CUSTOM;
- }
- }
- /*
- * 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 ((drawType == DRAW_CONTROL) ||
- ((drawType == DRAW_BEVEL) && TkMacHaveAppearance())) {
- borderWidth = 0;
-
- /*
- * This part uses Macintosh rather than Tk calls to draw
- * to the screen. Make sure the ports etc. are set correctly.
- */
-
- destPort = TkMacGetDrawablePort(pixmap);
- SetGWorld(destPort, NULL);
- DrawBufferedControl(butPtr, destPort, gc, pixmap);
- }
- if ((drawType == DRAW_CUSTOM) || (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 ((drawType == DRAW_BEVEL) && TkMacHaveAppearance()) {
- /* Empty Body */
- } else {
- 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) {
- 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 += offset;
- y += offset;
- if (relief == TK_RELIEF_RAISED) {
- x -= offset;
- y -= offset;
- } else if (relief == TK_RELIEF_SUNKEN) {
- x += offset;
- y += 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 {
- Tk_RedrawImage(butPtr->image, 0, 0, width,
- height, pixmap, imageXOffset, imageYOffset);
- }
- } else {
- XSetClipOrigin(butPtr->display, gc,
- imageXOffset, imageYOffset);
- XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc,
- 0, 0, (unsigned int) width, (unsigned int) height,
- imageXOffset, imageYOffset, 1);
- XSetClipOrigin(butPtr->display, gc, 0, 0);
- }
-
- Tk_DrawTextLayout(butPtr->display, pixmap, gc, butPtr->textLayout,
- x + textXOffset, y + textYOffset, 0, -1);
- Tk_UnderlineTextLayout(butPtr->display, pixmap, gc,
- butPtr->textLayout, x + textXOffset, y + textYOffset,
- butPtr->underline);
- y += fullHeight/2;
- } else {
- if (haveImage) {
- TkComputeAnchor(butPtr->anchor, tkwin, 0, 0,
- butPtr->indicatorSpace + width, height, &x, &y);
- x += butPtr->indicatorSpace;
-
- x += offset;
- y += offset;
- if (relief == TK_RELIEF_RAISED) {
- x -= offset;
- y -= offset;
- } else if (relief == TK_RELIEF_SUNKEN) {
- x += offset;
- y += 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 {
- Tk_RedrawImage(butPtr->image, 0, 0, width, height,
- pixmap, imageXOffset, imageYOffset);
- }
- } else {
- XSetClipOrigin(butPtr->display, gc, x, y);
- XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc,
- 0, 0, (unsigned int) width,
- (unsigned int) height, x, y, 1);
- XSetClipOrigin(butPtr->display, gc, 0, 0);
- }
- y += height/2;
- } else {
- TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX,
- butPtr->padY,
- butPtr->indicatorSpace + butPtr->textWidth,
- butPtr->textHeight, &x, &y);
-
- x += butPtr->indicatorSpace;
-
- Tk_DrawTextLayout(butPtr->display, pixmap, gc,
- butPtr->textLayout, x, y, 0, -1);
- y += butPtr->textHeight/2;
- }
- }
- }
- /*
- * 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.
- */
- 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 (relief != TK_RELIEF_FLAT) {
- int inset = butPtr->highlightWidth;
- Tk_Draw3DRectangle(tkwin, pixmap, border, inset, inset,
- Tk_Width(tkwin) - 2*inset, Tk_Height(tkwin) - 2*inset,
- butPtr->borderWidth, relief);
- }
- /*
- * Copy the information from the off-screen pixmap onto the screen,
- * then delete the pixmap.
- */
- XCopyArea(butPtr->display, pixmap, Tk_WindowId(tkwin),
- butPtr->copyGC, 0, 0, (unsigned) Tk_Width(tkwin),
- (unsigned) Tk_Height(tkwin), 0, 0);
- Tk_FreePixmap(butPtr->display, pixmap);
- SetGWorld(saveWorld, saveDevice);
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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 txtWidth, txtHeight;
- Tk_FontMetrics fm;
- width = 0;
- height = 0;
- txtWidth = 0;
- txtHeight = 0;
- avgWidth = 0;
- /*
- * First figure out the size of the contents of the button.
- */
-
- 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 if (TkMacHaveAppearance()) {
- butPtr->inset = 0;
- width += (2 * butPtr->borderWidth + 4);
- height += (2 * butPtr->borderWidth + 4);
- } else {
- butPtr->inset = butPtr->borderWidth;
- width += 2;
- height += 2;
- if (butPtr->defaultState != STATE_DISABLED) {
- butPtr->inset += butPtr->highlightWidth;
- }
- }
- } else if ((butPtr->type != TYPE_LABEL)) {
- 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))
- && TkMacHaveAppearance()) {
- 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;
- }
- }
- } else {
- butPtr->inset = butPtr->borderWidth;
- }
- Tk_GeometryRequest(butPtr->tkwin, (int) (width + butPtr->indicatorSpace
- + 2*butPtr->inset), (int) (height + 2*butPtr->inset));
- 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)
- {
- /* Do nothing. */
- }
- /*
- *--------------------------------------------------------------
- *
- * DrawBufferedControl --
- *
- * This function uses a dummy Macintosh window to allow
- * drawing Mac controls to any GWorld (including off-screen
- * bitmaps). In addition, this code may apply custom
- * colors passed in the TkButton.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Control is to the GWorld. Static state created on
- * first invocation of this routine.
- *
- *--------------------------------------------------------------
- */
- static void
- DrawBufferedControl(
- TkButton *butPtr, /* Tk 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 */
- )
- {
- ControlRef controlHandle;
- CCTabHandle ccTabHandle;
- int windowColorChanged = false;
- RGBColor saveBackColor;
- int isBevel = 0;
-
- if (windowRef == NULL) {
- InitSampleControls();
- }
-
- /*
- * Now swap in the passed in GWorld for the portBits of our fake
- * window. We also adjust various fields in the WindowRecord to make
- * the system think this is a normal window.
- * Note, we can use DrawControlInCurrentPort under Appearance, so we don't
- * need to swap pixmaps.
- */
-
- if (!TkMacHaveAppearance()) {
- ((CWindowPeek) windowRef)->port.portPixMap = destPort->portPixMap;
- }
-
- ((CWindowPeek) windowRef)->port.portRect = destPort->portRect;
- RectRgn(((CWindowPeek) windowRef)->port.visRgn, &destPort->portRect);
- RectRgn(((CWindowPeek) windowRef)->strucRgn, &destPort->portRect);
- RectRgn(((CWindowPeek) windowRef)->updateRgn, &destPort->portRect);
- RectRgn(((CWindowPeek) windowRef)->contRgn, &destPort->portRect);
- PortChanged(windowRef);
-
- /*
- * Set up control in hidden window to match what we need
- * to draw in the buffered window.
- */
-
- isBevel = 0;
- switch (butPtr->type) {
- case TYPE_BUTTON:
- if (TkMacHaveAppearance()) {
- if ((butPtr->image == None) && (butPtr->bitmap == None)) {
- controlHandle = buttonHandle;
- ccTabHandle = buttonTabHandle;
- } else {
- if (butPtr->borderWidth <= 2) {
- controlHandle = smallBevelHandle;
- } else if (butPtr->borderWidth == 3) {
- controlHandle = medBevelHandle;
- } else {
- controlHandle = largeBevelHandle;
- }
- ccTabHandle = buttonTabHandle;
- SetupBevelButton(butPtr, controlHandle, destPort,
- gc, pixmap);
- isBevel = 1;
- }
- } else {
- controlHandle = buttonHandle;
- ccTabHandle = buttonTabHandle;
- }
- break;
- case TYPE_RADIO_BUTTON:
- if (TkMacHaveAppearance()) {
- if (((butPtr->image == None) && (butPtr->bitmap == None))
- || (butPtr->indicatorOn)) {
- controlHandle = radioHandle;
- ccTabHandle = radioTabHandle;
- } else {
- if (butPtr->borderWidth <= 2) {
- controlHandle = smallStickyBevelHandle;
- } else if (butPtr->borderWidth == 3) {
- controlHandle = medStickyBevelHandle;
- } else {
- controlHandle = largeStickyBevelHandle;
- }
- ccTabHandle = radioTabHandle;
- SetupBevelButton(butPtr, controlHandle, destPort,
- gc, pixmap);
- isBevel = 1;
- }
- } else {
- controlHandle = radioHandle;
- ccTabHandle = radioTabHandle;
- }
- break;
- case TYPE_CHECK_BUTTON:
- if (TkMacHaveAppearance()) {
- if (((butPtr->image == None) && (butPtr->bitmap == None))
- || (butPtr->indicatorOn)) {
- controlHandle = checkHandle;
- ccTabHandle = checkTabHandle;
- } else {
- if (butPtr->borderWidth <= 2) {
- controlHandle = smallStickyBevelHandle;
- } else if (butPtr->borderWidth == 3) {
- controlHandle = medStickyBevelHandle;
- } else {
- controlHandle = largeStickyBevelHandle;
- }
- ccTabHandle = checkTabHandle;
- SetupBevelButton(butPtr, controlHandle, destPort,
- gc, pixmap);
- isBevel = 1;
- }
- } else {
- controlHandle = checkHandle;
- ccTabHandle = checkTabHandle;
- }
- break;
- }
-
- (**controlHandle).contrlRect.left = butPtr->inset;
- (**controlHandle).contrlRect.top = butPtr->inset;
- (**controlHandle).contrlRect.right = Tk_Width(butPtr->tkwin)
- - butPtr->inset;
- (**controlHandle).contrlRect.bottom = Tk_Height(butPtr->tkwin)
- - butPtr->inset;
-
- /*
- * Setting the control visibility by hand does not
- * seem to work under Appearance.
- */
-
- if (TkMacHaveAppearance()) {
- SetControlVisibility(controlHandle, true, false);
- (**userPaneHandle).contrlRect.left = 0;
- (**userPaneHandle).contrlRect.top = 0;
- (**userPaneHandle).contrlRect.right = Tk_Width(butPtr->tkwin);
- (**userPaneHandle).contrlRect.bottom = Tk_Height(butPtr->tkwin);
- } else {
- (**controlHandle).contrlVis = 255;
- }
-
-
-
- if (butPtr->flags & SELECTED) {
- (**controlHandle).contrlValue = 1;
- } else {
- (**controlHandle).contrlValue = 0;
- }
-
- if (!tkMacAppInFront || butPtr->state == STATE_DISABLED) {
- (**controlHandle).contrlHilite = kControlInactivePart;
- } else if (butPtr->state == STATE_ACTIVE) {
- if (isBevel) {
- (**controlHandle).contrlHilite = kControlButtonPart;
- } else {
- switch (butPtr->type) {
- case TYPE_BUTTON:
- (**controlHandle).contrlHilite = kControlButtonPart;
- break;
- case TYPE_RADIO_BUTTON:
- (**controlHandle).contrlHilite = kControlRadioButtonPart;
- break;
- case TYPE_CHECK_BUTTON:
- (**controlHandle).contrlHilite = kControlCheckBoxPart;
- break;
- }
- }
- } else {
- (**controlHandle).contrlHilite = kControlNoPart;
- }
- /*
- * Before we draw the control we must add the hidden window back to the
- * main window list. Otherwise, radiobuttons and checkbuttons will draw
- * incorrectly. I don't really know why - but clearly the control draw
- * proc needs to have the controls window in the window list. This is not
- * necessary under Appearance, and will have to go when we Carbonize Tk...
- */
- if (!TkMacHaveAppearance()) {
- ((CWindowPeek) windowRef)->nextWindow = (CWindowPeek) LMGetWindowList();
- LMSetWindowList(windowRef);
- }
- /*
- * Now we can set the port to our doctered up window. We next need
- * to muck with the colors for the port & window to draw the control
- * with the proper Tk colors. If we need to we also draw a default
- * ring for buttons.
- * Under Appearance, we draw the control directly into destPort, and
- * just set the default control data.
- */
- if (TkMacHaveAppearance()) {
- SetPort((GrafPort *) destPort);
- } else {
- SetPort(windowRef);
- }
- windowColorChanged = UpdateControlColors(butPtr, controlHandle,
- ccTabHandle, &saveBackColor);
-
- if ((butPtr->type == TYPE_BUTTON) && TkMacHaveAppearance()) {
- Boolean isDefault;
-
- if (butPtr->defaultState == STATE_ACTIVE) {
- isDefault = true;
- } else {
- isDefault = false;
- }
- SetControlData(controlHandle, kControlNoPart,
- kControlPushButtonDefaultTag,
- sizeof(isDefault), (Ptr) &isDefault);
- }
- if (TkMacHaveAppearance()) {
- DrawControlInCurrentPort(userPaneHandle);
- } else {
- Draw1Control(controlHandle);
- }
- if (!TkMacHaveAppearance() &&
- (butPtr->type == TYPE_BUTTON) &&
- (butPtr->defaultState == STATE_ACTIVE)) {
- Rect box = (**controlHandle).contrlRect;
- RGBColor rgbColor;
- TkSetMacColor(butPtr->highlightColorPtr->pixel, &rgbColor);
- RGBForeColor(&rgbColor);
- PenSize(butPtr->highlightWidth - 1, butPtr->highlightWidth - 1);
- InsetRect(&box, -butPtr->highlightWidth, -butPtr->highlightWidth);
- FrameRoundRect(&box, 16, 16);
- }
-
- if (windowColorChanged) {
- RGBColor dummyColor;
- ChangeBackgroundWindowColor(windowRef, saveBackColor, &dummyColor);
- }
-
- /*
- * Clean up: remove the hidden window from the main window list, and
- * hide the control we drew.
- */
- if (TkMacHaveAppearance()) {
- SetControlVisibility(controlHandle, false, false);
- if (isBevel) {
- KillPicture(bevelButtonContent.u.picture);
- }
- } else {
- (**controlHandle).contrlVis = 0;
- }
- if (!TkMacHaveAppearance()) {
- LMSetWindowList((WindowRef) ((CWindowPeek) windowRef)->nextWindow);
- }
- }
- /*
- *--------------------------------------------------------------
- *
- * InitSampleControls --
- *
- * This function initializes a dummy Macintosh window and
- * sample controls to allow drawing Mac controls to any GWorld
- * (including off-screen bitmaps).
- *
- * Results:
- * None.
- *
- * Side effects:
- * Controls & a window are created.
- *
- *--------------------------------------------------------------
- */
- static void
- InitSampleControls()
- {
- Rect geometry = {0, 0, 10, 10};
- CWindowPeek windowList;
- GWorldPtr frontWin = NULL;
- TkMacWindowList *winListPtr;
- /*
- * Create a dummy window that we can draw to. We will
- * actually replace this window's bitmap with the one
- * we want to draw to at a later time. This window and
- * the data structures attached to it are only deallocated
- * on exit of the application.
- */
- /*
- * This is a bit of a hack... The problem is that under appearance,
- * taking a window out of the window list causes instability, so we can't
- * do that. OTOH, we need to make sure that this window is NEVER the front
- * window, or we may inadvertently send keystrokes to it...
- * So we put it BEHIND ".", and then we won't ever be able to destroy
- * ALL the windows that are above it.
- */
-
- for (winListPtr = tkMacWindowListPtr; winListPtr != NULL;
- winListPtr = winListPtr->nextPtr) {
- frontWin = ((MacDrawable *) tkMacWindowListPtr->winPtr->privatePtr)->portPtr;
- if (strcmp(tkMacWindowListPtr->winPtr->pathName, ".") == 0) {
- break;
- }
- }
-
- windowRef = NewCWindow(NULL, &geometry, "pempty", false,
- zoomDocProc, (WindowRef) frontWin, true, 0);
- if (windowRef == NULL) {
- panic("Can't allocate buffer window.");
- }
-
- /*
- * Now add the three standard controls to hidden window. We
- * only create one of each and reuse them for every widget in
- * Tk.
- * Under Appearance, we have to embed the controls in a UserPane
- * control, so that we can color the background text in
- * radiobuttons and checkbuttons.
- */
-
- SetPort(windowRef);
-
- if (TkMacHaveAppearance()) {
-
- OSErr err;
- ControlRef dontCare;
-
- /*
- * Adding UserPaneBackgroundProcs to the root control does
- * not seem to work, so we have to add another UserPane to
- * the root control.
- */
-
- err = CreateRootControl(windowRef, &dontCare);
- if (err != noErr) {
- panic("Can't create root control in DrawBufferedControl");
- }
-
- userPaneHandle = NewControl(windowRef, &geometry, "p",
- true, kControlSupportsEmbedding|kControlHasSpecialBackground,
- 0, 1, kControlUserPaneProc, (SInt32) 0);
- SetUserPaneSetUpSpecialBackgroundProc(userPaneHandle,
- UserPaneBackgroundProc);
- SetUserPaneDrawProc(userPaneHandle, UserPaneDraw);
- buttonHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, kControlPushButtonProc, (SInt32) 0);
- EmbedControl(buttonHandle, userPaneHandle);
- checkHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, kControlCheckBoxProc, (SInt32) 0);
- EmbedControl(checkHandle, userPaneHandle);
- radioHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, kControlRadioButtonProc, (SInt32) 0);
- EmbedControl(radioHandle, userPaneHandle);
- smallBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- kControlBehaviorOffsetContents << 16
- | kControlContentPictHandle,
- kControlBevelButtonSmallBevelProc, (SInt32) 0);
- EmbedControl(smallBevelHandle, userPaneHandle);
- medBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- kControlBehaviorOffsetContents << 16
- | kControlContentPictHandle,
- kControlBevelButtonNormalBevelProc, (SInt32) 0);
- EmbedControl(medBevelHandle, userPaneHandle);
- largeBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- kControlBehaviorOffsetContents << 16
- | kControlContentPictHandle,
- kControlBevelButtonLargeBevelProc, (SInt32) 0);
- EmbedControl(largeBevelHandle, userPaneHandle);
- bevelButtonContent.contentType = kControlContentPictHandle;
- smallStickyBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- (kControlBehaviorOffsetContents
- | kControlBehaviorSticky) << 16
- | kControlContentPictHandle,
- kControlBevelButtonSmallBevelProc, (SInt32) 0);
- EmbedControl(smallStickyBevelHandle, userPaneHandle);
- medStickyBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- (kControlBehaviorOffsetContents
- | kControlBehaviorSticky) << 16
- | kControlContentPictHandle,
- kControlBevelButtonNormalBevelProc, (SInt32) 0);
- EmbedControl(medStickyBevelHandle, userPaneHandle);
- largeStickyBevelHandle = NewControl(windowRef, &geometry, "p",
- false, 0, 0,
- (kControlBehaviorOffsetContents
- | kControlBehaviorSticky) << 16
- | kControlContentPictHandle,
- kControlBevelButtonLargeBevelProc, (SInt32) 0);
- EmbedControl(largeStickyBevelHandle, userPaneHandle);
-
- picParams.version = -2;
- picParams.hRes = 0x00480000;
- picParams.vRes = 0x00480000;
- picParams.srcRect.top = 0;
- picParams.srcRect.left = 0;
-
- ((CWindowPeek) windowRef)->visible = true;
- } else {
- buttonHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, pushButProc, (SInt32) 0);
- checkHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, checkBoxProc, (SInt32) 0);
- radioHandle = NewControl(windowRef, &geometry, "p",
- false, 1, 0, 1, radioButProc, (SInt32) 0);
- ((CWindowPeek) windowRef)->visible = true;
- buttonTabHandle = (CCTabHandle) NewHandle(sizeof(CtlCTab));
- checkTabHandle = (CCTabHandle) NewHandle(sizeof(CtlCTab));
- radioTabHandle = (CCTabHandle) NewHandle(sizeof(CtlCTab));
- }
- /*
- * Remove our window from the window list. This way our
- * applications and others will not be confused that this
- * window exists - but no one knows about it.
- * I actually don't see the point of doing this, and it causes Floating
- * Window support to crash under Appearance, so I just leave it out.
- * Note that we have to do without this under Carbon, since you can't
- * go poking at the window list...
- */
- if (!TkMacHaveAppearance()) {
- windowList = (CWindowPeek) LMGetWindowList();
- if (windowList == (CWindowPeek) windowRef) {
- LMSetWindowList((WindowRef) windowList->nextWindow);
- } else {
- while ((windowList != NULL)
- && (windowList->nextWindow != (CWindowPeek) windowRef)) {
- windowList = windowList->nextWindow;
- }
- if (windowList != NULL) {
- windowList->nextWindow = windowList->nextWindow->nextWindow;
- }
- }
- ((CWindowPeek) windowRef)->nextWindow = NULL;
- }
- /*
- * Create an exit handler to clean up this mess if we our
- * unloaded etc. We need to remember the windows portPixMap
- * so it isn't leaked.
- *
- * TODO: The ButtonExitProc doesn't currently work and the
- * code it includes will crash the Mac on exit from Tk.
-
- oldPixPtr = ((CWindowPeek) windowRef)->port.portPixMap;
- TkCreateExitHandler(ButtonExitProc, (ClientData) NULL);
- */
- }
- /*
- *--------------------------------------------------------------
- *
- * SetupBevelButton --
- *
- * Sets up the Bevel Button with image by copying the
- * source image onto the PicHandle for the button.
- *
- * Results:
- * None
- *
- * Side effects:
- * The image or bitmap for the button is copied over to a picture.
- *
- *--------------------------------------------------------------
- */
- void
- SetupBevelButton(
- TkButton *butPtr, /* Tk button. */
- ControlRef controlHandle, /* The control to set this picture to */
- 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 */
- )
- {
- int height, width;
- ControlButtonGraphicAlignment theAlignment;
-
- SetPort((GrafPtr) destPort);
- if (butPtr->image != None) {
- Tk_SizeOfImage(butPtr->image,
- &width, &height);
- } else {
- Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap,
- &width, &height);
- }
-
- if ((butPtr->width > 0) && (butPtr->width < width)) {
- width = butPtr->width;
- }
- if ((butPtr->height > 0) && (butPtr->height < height)) {
- height = butPtr->height;
- }
-
- picParams.srcRect.right = width;
- picParams.srcRect.bottom = height;
-
- bevelButtonContent.u.picture = OpenCPicture(&picParams);
-
- /*
- * 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->selectImage != NULL) && (butPtr->flags & SELECTED)) {
- Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height,
- pixmap, 0, 0);
- } else if (butPtr->image != NULL) {
- Tk_RedrawImage(butPtr->image, 0, 0, width,
- height, pixmap, 0, 0);
- } else {
- XSetClipOrigin(butPtr->display, gc, 0, 0);
- XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc, 0, 0,
- (unsigned int) width, (unsigned int) height, 0, 0, 1);
- }
-
- ClosePicture();
-
- SetControlData(controlHandle, kControlButtonPart,
- kControlBevelButtonContentTag,
- sizeof(ControlButtonContentInfo),
- (char *) &bevelButtonContent);
-
- if (butPtr->anchor == TK_ANCHOR_N) {
- theAlignment = kControlBevelButtonAlignTop;
- } else if (butPtr->anchor == TK_ANCHOR_NE) {
- theAlignment = kControlBevelButtonAlignTopRight;
- } else if (butPtr->anchor == TK_ANCHOR_E) {
- theAlignment = kControlBevelButtonAlignRight;
- } else if (butPtr->anchor == TK_ANCHOR_SE) {
- theAlignment = kControlBevelButtonAlignBottomRight;
- } else if (butPtr->anchor == TK_ANCHOR_S) {
- theAlignment = kControlBevelButtonAlignBottom;
- } else if (butPtr->anchor == TK_ANCHOR_SW) {
- theAlignment = kControlBevelButtonAlignBottomLeft;
- } else if (butPtr->anchor == TK_ANCHOR_W) {
- theAlignment = kControlBevelButtonAlignLeft;
- } else if (butPtr->anchor == TK_ANCHOR_NW) {
- theAlignment = kControlBevelButtonAlignTopLeft;
- } else if (butPtr->anchor == TK_ANCHOR_CENTER) {
- theAlignment = kControlBevelButtonAlignCenter;
- }
- SetControlData(controlHandle, kControlButtonPart,
- kControlBevelButtonGraphicAlignTag,
- sizeof(ControlButtonGraphicAlignment),
- (char *) &theAlignment);
- }
- /*
- *--------------------------------------------------------------
- *
- * SetUserPaneDrawProc --
- *
- * 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.
- *
- *--------------------------------------------------------------
- */
- pascal OSErr SetUserPaneDrawProc (
- ControlRef control,
- ControlUserPaneDrawProcPtr upp)
- {
- ControlUserPaneDrawUPP myControlUserPaneDrawUPP;
- myControlUserPaneDrawUPP = NewControlUserPaneDrawProc(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.
- *
- *--------------------------------------------------------------
- */
- pascal OSErr
- SetUserPaneSetUpSpecialBackgroundProc(
- ControlRef control,
- ControlUserPaneBackgroundProcPtr upp)
- {
- ControlUserPaneBackgroundUPP myControlUserPaneBackgroundUPP;
- myControlUserPaneBackgroundUPP = NewControlUserPaneBackgroundProc(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.
- *
- *--------------------------------------------------------------
- */
- pascal void
- UserPaneDraw(
- ControlRef control,
- ControlPartCode cpc)
- {
- Rect contrlRect = (**control).contrlRect;
- RGBBackColor (&gUserPaneBackground);
- 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.
- *
- *--------------------------------------------------------------
- */
- pascal void
- UserPaneBackgroundProc(
- ControlHandle,
- ControlBackgroundPtr info)
- {
- if (info->colorDevice) {
- RGBBackColor (&gUserPaneBackground);
- }
- }
- /*
- *--------------------------------------------------------------
- *
- * 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(
- TkButton *butPtr,
- ControlRef controlHandle,
- CCTabHandle ccTabHandle,
- RGBColor *saveColorPtr)
- {
- XColor *xcolor;
-
- /*
- * 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.
- */
-
- if (TkMacHaveAppearance() && (butPtr->type == TYPE_BUTTON)) {
- xcolor = Tk_3DBorderColor(butPtr->highlightBorder);
- } else {
- xcolor = Tk_3DBorderColor(butPtr->normalBorder);
- }
- if (TkMacHaveAppearance()) {
- TkSetMacColor(xcolor->pixel, &gUserPaneBackground);
- } else {
- (**ccTabHandle).ccSeed = 0;
- (**ccTabHandle).ccRider = 0;
- (**ccTabHandle).ctSize = 3;
- (**ccTabHandle).ctTable[0].value = cBodyColor;
- TkSetMacColor(xcolor->pixel,
- &(**ccTabHandle).ctTable[0].rgb);
- (**ccTabHandle).ctTable[1].value = cTextColor;
- TkSetMacColor(butPtr->normalFg->pixel,
- &(**ccTabHandle).ctTable[1].rgb);
- (**ccTabHandle).ctTable[2].value = cFrameColor;
- TkSetMacColor(butPtr->highlightColorPtr->pixel,
- &(**ccTabHandle).ctTable[2].rgb);
- SetControlColor(controlHandle, ccTabHandle);
-
- if (((xcolor->pixel >> 24) != CONTROL_BODY_PIXEL) &&
- ((butPtr->type == TYPE_CHECK_BUTTON) ||
- (butPtr->type == TYPE_RADIO_BUTTON))) {
- RGBColor newColor;
-
- if (TkSetMacColor(xcolor->pixel, &newColor)) {
- ChangeBackgroundWindowColor((**controlHandle).contrlOwner,
- newColor, saveColorPtr);
- }
- return true;
- }
- }
-
- return false;
- }
- /*
- *--------------------------------------------------------------
- *
- * ChangeBackgroundWindowColor --
- *
- * This procedure will change the background color entry
- * in the Window's colortable. The system isn't notified
- * of the change. This call should only be used to fool
- * the drawing routines for checkboxes and radiobuttons.
- * Any change should be temporary and be reverted after
- * the widget is drawn.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The Window's color table will be adjusted.
- *
- *--------------------------------------------------------------
- */
- static void
- ChangeBackgroundWindowColor(
- WindowRef macintoshWindow, /* A Mac window whose color to change. */
- RGBColor rgbColor, /* The new RGB Color for the background. */
- RGBColor *oldColor) /* The old color of the background. */
- {
- AuxWinHandle auxWinHandle;
- WCTabHandle winCTabHandle;
- short ctIndex;
- ColorSpecPtr rgbScan;
-
- GetAuxWin(macintoshWindow, &auxWinHandle);
- winCTabHandle = (WCTabHandle) ((**auxWinHandle).awCTable);
- /*
- * Scan through the color table until we find the content
- * (background) color for the window. Don't tell the system
- * about the change - it will generate damage and we will get
- * into an infinite loop.
- */
- ctIndex = (**winCTabHandle).ctSize;
- while (ctIndex > -1) {
- rgbScan = ctIndex + (**winCTabHandle).ctTable;
- if (rgbScan->value == wContentColor) {
- *oldColor = rgbScan->rgb;
- rgbScan->rgb = rgbColor;
- break;
- }
- ctIndex--;
- }
- }
- /*
- *--------------------------------------------------------------
- *
- * ButtonEventProc --
- *
- * This procedure is invoked by the Tk dispatcher for various
- * events on buttons.
- *
- * Results:
- * None.
- *
- * Side effects:
- * When it gets exposed, it is redisplayed.
- *
- *--------------------------------------------------------------
- */
- static void
- ButtonEventProc(
- ClientData clientData, /* Information about window. */
- XEvent *eventPtr) /* Information about event. */
- {
- TkButton *buttonPtr = (TkButton *) clientData;
- if (eventPtr->type == ActivateNotify
- || eventPtr->type == DeactivateNotify) {
- if ((buttonPtr->tkwin == NULL) || (!Tk_IsMapped(buttonPtr->tkwin))) {
- return;
- }
- if ((buttonPtr->flags & REDRAW_PENDING) == 0) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) buttonPtr);
- buttonPtr->flags |= REDRAW_PENDING;
- }
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * ButtonExitProc --
- *
- * This procedure is invoked just before the application exits.
- * It frees all of the control handles, our dummy window, etc.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Memory is freed.
- *
- *----------------------------------------------------------------------
- */
- static void
- ButtonExitProc(clientData)
- ClientData clientData; /* Not used. */
- {
- Rect pixRect = {0, 0, 10, 10};
- Rect rgnRect = {0, 0, 0, 0};
- /*
- * Restore our dummy window to it's origional state by putting it
- * back in the window list and restoring it's bits. The destroy
- * the controls and window.
- */
-
- ((CWindowPeek) windowRef)->nextWindow = (CWindowPeek) LMGetWindowList();
- LMSetWindowList(windowRef);
- ((CWindowPeek) windowRef)->port.portPixMap = oldPixPtr;
- ((CWindowPeek) windowRef)->port.portRect = pixRect;
- RectRgn(((CWindowPeek) windowRef)->port.visRgn, &rgnRect);
- RectRgn(((CWindowPeek) windowRef)->strucRgn, &rgnRect);
- RectRgn(((CWindowPeek) windowRef)->updateRgn, &rgnRect);
- RectRgn(((CWindowPeek) windowRef)->contRgn, &rgnRect);
- PortChanged(windowRef);
- DisposeControl(buttonHandle);
- DisposeControl(checkHandle);
- DisposeControl(radioHandle);
- DisposeWindow(windowRef);
- windowRef = NULL;
- }