* carbon/ (new directory): copy of current state of 'macosx'

	source directory, to preserve legacy TkAqua implementation based on
	Carbon API (with support for Mac OS X releases older than 10.5).

1 files changed, 326 insertions, 0 deletions

diff --git a/carbon/tkMacOSXEntry.c b/carbon/tkMacOSXEntry.c
new file mode 100644
index 0000000..74e216b
--- /dev/null
+++ b/carbon/tkMacOSXEntry.c
@@ -0,0 +1,326 @@
+/*
+ * tkMacOSXEntry.c --
+ *
+ *	This file implements the native aqua entry widget.
+ *
+ * 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.
+ *
+ *	The following terms apply to all files originating from Apple
+ *	Computer, Inc. ("Apple") and associated with the software
+ *	unless explicitly disclaimed in individual files.
+ *
+ *
+ *	Apple hereby grants permission to use, copy, modify,
+ *	distribute, and license this software and its documentation
+ *	for any purpose, provided that existing copyright notices are
+ *	retained in all copies and that this notice is included
+ *	verbatim in any distributions. No written agreement, license,
+ *	or royalty fee is required for any of the authorized
+ *	uses. Modifications to this software may be copyrighted by
+ *	their authors and need not follow the licensing terms
+ *	described here, provided that the new terms are clearly
+ *	indicated on the first page of each file where they apply.
+ *
+ *
+ *	IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE
+ *	SOFTWARE BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
+ *	INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
+ *	THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
+ *	EVEN IF APPLE OR THE AUTHORS HAVE BEEN ADVISED OF THE
+ *	POSSIBILITY OF SUCH DAMAGE.  APPLE, THE AUTHORS AND
+ *	DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
+ *	BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ *	FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.	 THIS
+ *	SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND APPLE,THE
+ *	AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
+ *	MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ *	GOVERNMENT USE: If you are acquiring this software on behalf
+ *	of the U.S. government, the Government shall have only
+ *	"Restricted Rights" in the software and related documentation
+ *	as defined in the Federal Acquisition Regulations (FARs) in
+ *	Clause 52.227.19 (c) (2).  If you are acquiring the software
+ *	on behalf of the Department of Defense, the software shall be
+ *	classified as "Commercial Computer Software" and the
+ *	Government shall have only "Restricted Rights" as defined in
+ *	Clause 252.227-7013 (c) (1) of DFARs.  Notwithstanding the
+ *	foregoing, the authors grant the U.S. Government and others
+ *	acting in its behalf permission to use and distribute the
+ *	software in accordance with the terms specified in this
+ *	license.
+ *
+ * RCS: @(#) $Id: tkMacOSXEntry.c,v 1.1 2009/06/26 01:42:46 das Exp $
+ */
+
+#include "tkMacOSXPrivate.h"
+#include "tkMacOSXDefault.h"
+#include "tkEntry.h"
+
+static ThemeButtonKind	ComputeIncDecParameters(int height, int *width);
+
+/*
+ *--------------------------------------------------------------
+ *
+ * ComputeIncDecParameters --
+ *
+ *	This procedure figures out which of the kThemeIncDec buttons to use.
+ *	It also sets width to the width of the IncDec button.
+ *
+ * Results:
+ *	The ThemeButtonKind of the button we should use.
+ *
+ * Side effects:
+ *	May draw the entry border into pixmap.
+ *
+ *--------------------------------------------------------------
+ */
+
+static ThemeButtonKind
+ComputeIncDecParameters(
+    int height,
+    int *width)
+{
+    ThemeButtonKind kind;
+
+    TK_IF_HI_TOOLBOX (3,
+	if (height < 11 || height > 28) {
+	    *width = 0;
+	    kind = (ThemeButtonKind) 0;
+	} else {
+	    if (height >= 21) {
+		*width = 13;
+		kind = kThemeIncDecButton;
+	    } else if (height >= 18) {
+		*width = 12;
+		kind = kThemeIncDecButtonSmall;
+	    } else {
+		*width = 11;
+		kind = kThemeIncDecButtonMini;
+	    }
+	}
+    ) TK_ELSE_HI_TOOLBOX (3,
+	if (height < 21 || height > 28) {
+	    *width = 0;
+	    kind = (ThemeButtonKind) 0;
+	} else {
+	    *width = 13;
+	    kind = kThemeIncDecButton;
+	}
+    ) TK_ENDIF
+
+    return kind;
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * TkpDrawEntryBorderAndFocus --
+ *
+ *	This procedure redraws the border of an entry window. It overrides the
+ *	generic border drawing code if the entry widget parameters are such
+ *	that the native widget drawing is a good fit. This version just
+ *	returns 1, so platforms that don't do special native drawing don't
+ *	have to implement it.
+ *
+ * Results:
+ *	1 if it has drawn the border, 0 if not.
+ *
+ * Side effects:
+ *	May draw the entry border into pixmap.
+ *
+ *--------------------------------------------------------------
+ */
+
+int
+TkpDrawEntryBorderAndFocus(
+    Entry *entryPtr,
+    Drawable d,
+    int isSpinbox)
+{
+    Rect bounds;
+    TkMacOSXDrawingContext dc;
+    GC bgGC;
+    Tk_Window tkwin = entryPtr->tkwin;
+    ThemeDrawState drawState;
+    int oldWidth = 0;
+    MacDrawable *macDraw = (MacDrawable *) d;
+
+    /*
+     * I use 6 as the borderwidth. 2 of the 5 go into the actual frame the 3
+     * are because the Mac OS Entry widgets leave more space around the Text
+     * than Tk does on X11.
+     */
+
+    if (entryPtr->borderWidth != MAC_OSX_ENTRY_BORDER
+	    || entryPtr->highlightWidth != MAC_OSX_FOCUS_WIDTH
+	    || entryPtr->relief != MAC_OSX_ENTRY_RELIEF) {
+	return 0;
+    }
+
+    /*
+     * For the spinbox, we have to make the entry part smaller by the size of
+     * the buttons. We also leave 2 pixels to the left (as per the HIG) and
+     * space for one pixel to the right, 'cause it makes the buttons look
+     * nicer.
+     */
+
+    if (isSpinbox) {
+	ThemeButtonKind buttonKind;
+	int incDecWidth;
+
+	oldWidth = Tk_Width(tkwin);
+
+	buttonKind = ComputeIncDecParameters(Tk_Height(tkwin)
+		- 2 * MAC_OSX_FOCUS_WIDTH, &incDecWidth);
+	Tk_Width(tkwin) -= incDecWidth + 1;
+    }
+
+   /*
+    * The focus ring is drawn with an Alpha at the outside part of the ring,
+    * so we have to draw over the edges of the ring before drawing the focus
+    * or the text will peep through.
+    */
+
+    bgGC = Tk_GCForColor(entryPtr->highlightBgColorPtr, d);
+    TkDrawInsetFocusHighlight(entryPtr->tkwin, bgGC, MAC_OSX_FOCUS_WIDTH, d, 0);
+
+    /*
+     * Inset the entry Frame by the maximum width of the focus rect, which is
+     * 3 according to the Carbon docs.
+     */
+
+    bounds.left = macDraw->xOff + MAC_OSX_FOCUS_WIDTH;
+    bounds.top = macDraw->yOff + MAC_OSX_FOCUS_WIDTH;
+    bounds.right = macDraw->xOff + Tk_Width(tkwin) - MAC_OSX_FOCUS_WIDTH;
+    bounds.bottom = macDraw->yOff + Tk_Height(tkwin) - MAC_OSX_FOCUS_WIDTH;
+    if (entryPtr->state == STATE_DISABLED) {
+	drawState = kThemeStateInactive;
+    } else {
+	drawState = kThemeStateActive;
+    }
+    if (!TkMacOSXSetupDrawingContext(d, NULL, 0, &dc)) {
+	return 0;
+    }
+    DrawThemeEditTextFrame(&bounds, drawState);
+    if (entryPtr->flags & GOT_FOCUS) {
+	/*
+	 * Don't call this if we don't have the focus, because then it erases
+	 * the focus rect to white, but we've already drawn the
+	 * highlightbackground above.
+	 */
+
+	DrawThemeFocusRect(&bounds, (entryPtr->flags & GOT_FOCUS) != 0);
+    }
+    if (isSpinbox) {
+	Tk_Width(tkwin) = oldWidth;
+    }
+    TkMacOSXRestoreDrawingContext(&dc);
+    return 1;
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * TkpDrawSpinboxButtons --
+ *
+ *	This procedure redraws the buttons of an spinbox widget. It overrides
+ *	the generic button drawing code if the spinbox widget parameters are
+ *	such that the native widget drawing is a good fit. This version just
+ *	returns 0, so platforms that don't do special native drawing don't
+ *	have to implement it.
+ *
+ * Results:
+ *	1 if it has drawn the border, 0 if not.
+ *
+ * Side effects:
+ *	May draw the entry border into pixmap.
+ *
+ *--------------------------------------------------------------
+ */
+
+int
+TkpDrawSpinboxButtons(
+    Spinbox *sbPtr,
+    Drawable d)
+{
+    Rect inBounds;
+    ThemeButtonKind inKind;
+    ThemeButtonDrawInfo inNewInfo;
+    ThemeButtonDrawInfo * inPrevInfo = NULL;
+    ThemeEraseUPP inEraseProc = NULL;
+    ThemeButtonDrawUPP inLabelProc = NULL;
+    UInt32 inUserData = 0;
+    Tk_Window tkwin = sbPtr->entry.tkwin;
+    int height = Tk_Height(tkwin);
+    int buttonHeight = height - 2 * MAC_OSX_FOCUS_WIDTH;
+    int incDecWidth;
+    TkMacOSXDrawingContext dc;
+    XRectangle rects[1];
+    GC bgGC;
+    MacDrawable *macDraw = (MacDrawable *) d;
+
+    /*
+     * FIXME: RAISED really makes more sense
+     */
+
+    if (sbPtr->buRelief != TK_RELIEF_FLAT) {
+	return 0;
+    }
+
+    /*
+     * The actual sizes of the IncDec button are 21 for the normal, 18 for the
+     * small and 15 for the mini. But the spinbox still looks okay if the
+     * entry is a little bigger than this, so we give it a little slop.
+     */
+
+    inKind = ComputeIncDecParameters(buttonHeight, &incDecWidth);
+    if (inKind == (ThemeButtonKind) 0) {
+	return 0;
+    }
+
+    if (sbPtr->entry.state == STATE_DISABLED) {
+	inNewInfo.state = kThemeStateInactive;
+	inNewInfo.value = kThemeButtonOff;
+    } else if (sbPtr->selElement == SEL_BUTTONUP) {
+	inNewInfo.state = kThemeStatePressedUp;
+	inNewInfo.value = kThemeButtonOn;
+    } else if (sbPtr->selElement == SEL_BUTTONDOWN) {
+	inNewInfo.state = kThemeStatePressedDown;
+	inNewInfo.value = kThemeButtonOn;
+    } else {
+	inNewInfo.state = kThemeStateActive;
+	inNewInfo.value = kThemeButtonOff;
+    }
+
+    inNewInfo.adornment = kThemeAdornmentNone;
+
+    inBounds.left = macDraw->xOff + Tk_Width(tkwin) - incDecWidth - 1;
+    inBounds.right = macDraw->xOff + Tk_Width(tkwin) - 1;
+    inBounds.top = macDraw->yOff + MAC_OSX_FOCUS_WIDTH;
+    inBounds.bottom = macDraw->yOff + Tk_Height(tkwin) - MAC_OSX_FOCUS_WIDTH;
+
+    /*
+     * We had to make the entry part of the window smaller so that we wouldn't
+     * overdraw the spin buttons with the focus highlight. So now we have to
+     * draw the highlightbackground.
+     */
+
+    bgGC = Tk_GCForColor(sbPtr->entry.highlightBgColorPtr, d);
+    rects[0].x = inBounds.left;
+    rects[0].y = 0;
+    rects[0].width = Tk_Width(tkwin);
+    rects[0].height = Tk_Height(tkwin);
+    XFillRectangles(Tk_Display(tkwin), d, bgGC, rects, 1);
+
+    if (!TkMacOSXSetupDrawingContext(d, NULL, 0, &dc)) {
+	return 0;
+    }
+    ChkErr(DrawThemeButton, &inBounds, inKind, &inNewInfo, inPrevInfo,
+	    inEraseProc, inLabelProc, inUserData);
+    TkMacOSXRestoreDrawingContext(&dc);
+    return 1;
+}