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-rw-r--r--mac/tkMacScrlbr.c1069
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diff --git a/mac/tkMacScrlbr.c b/mac/tkMacScrlbr.c
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--- a/mac/tkMacScrlbr.c
+++ /dev/null
@@ -1,1069 +0,0 @@
-/*
- * tkMacScrollbar.c --
- *
- * This file implements the Macintosh specific portion of the scrollbar
- * widget. The Macintosh scrollbar may also draw a windows grow
- * region under certain cases.
- *
- * Copyright (c) 1996 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: tkMacScrlbr.c,v 1.6 2001/11/23 02:06:27 das Exp $
- */
-
-#include "tkScrollbar.h"
-#include "tkMacInt.h"
-#include <Controls.h>
-#include <ControlDefinitions.h>
-
-/*
- * The following definitions should really be in MacOS
- * header files. They are included here as this is the only
- * file that needs the declarations.
- */
-typedef pascal void (*ThumbActionFunc)(void);
-
-#if GENERATINGCFM
-typedef UniversalProcPtr ThumbActionUPP;
-#else
-typedef ThumbActionFunc ThumbActionUPP;
-#endif
-
-enum {
- uppThumbActionProcInfo = kPascalStackBased
-};
-
-#if GENERATINGCFM
-#define NewThumbActionProc(userRoutine) \
- (ThumbActionUPP) NewRoutineDescriptor((ProcPtr)(userRoutine), uppThumbActionProcInfo, GetCurrentArchitecture())
-#else
-#define NewThumbActionProc(userRoutine) \
- ((ThumbActionUPP) (userRoutine))
-#endif
-
-/*
- * Minimum slider length, in pixels (designed to make sure that the slider
- * is always easy to grab with the mouse).
- */
-
-#define MIN_SLIDER_LENGTH 5
-
-/*
- * Declaration of Windows specific scrollbar structure.
- */
-
-typedef struct MacScrollbar {
- TkScrollbar info; /* Generic scrollbar info. */
- ControlRef sbHandle; /* Handle to the Scrollbar control struct. */
- int macFlags; /* Various flags; see below. */
-} MacScrollbar;
-
-/*
- * Flag bits for scrollbars on the Mac:
- *
- * ALREADY_DEAD: Non-zero means this scrollbar has been
- * destroyed, but has not been cleaned up.
- * IN_MODAL_LOOP: Non-zero means this scrollbar is in the middle
- * of a modal loop.
- * ACTIVE: Non-zero means this window is currently
- * active (in the foreground).
- * FLUSH_TOP: Flush with top of Mac window.
- * FLUSH_BOTTOM: Flush with bottom of Mac window.
- * FLUSH_RIGHT: Flush with right of Mac window.
- * FLUSH_LEFT: Flush with left of Mac window.
- * SCROLLBAR_GROW: Non-zero means this window draws the grow
- * region for the toplevel window.
- * AUTO_ADJUST: Non-zero means we automatically adjust
- * the size of the widget to align correctly
- * along a Mac window.
- * DRAW_GROW: Non-zero means we draw the grow region.
- */
-
-#define ALREADY_DEAD 1
-#define IN_MODAL_LOOP 2
-#define ACTIVE 4
-#define FLUSH_TOP 8
-#define FLUSH_BOTTOM 16
-#define FLUSH_RIGHT 32
-#define FLUSH_LEFT 64
-#define SCROLLBAR_GROW 128
-#define AUTO_ADJUST 256
-#define DRAW_GROW 512
-
-/*
- * Globals uses locally in this file.
- */
-static ControlActionUPP scrollActionProc = NULL; /* Pointer to func. */
-static ThumbActionUPP thumbActionProc = NULL; /* Pointer to func. */
-static TkScrollbar *activeScrollPtr = NULL; /* Non-null when in thumb */
- /* proc. */
-/*
- * Forward declarations for procedures defined later in this file:
- */
-
-static pascal void ScrollbarActionProc _ANSI_ARGS_((ControlRef theControl,
- ControlPartCode partCode));
-static int ScrollbarBindProc _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, XEvent *eventPtr,
- Tk_Window tkwin, KeySym keySym));
-static void ScrollbarEventProc _ANSI_ARGS_((
- ClientData clientData, XEvent *eventPtr));
-static pascal void ThumbActionProc _ANSI_ARGS_((void));
-static void UpdateControlValues _ANSI_ARGS_((MacScrollbar *macScrollPtr));
-
-/*
- * The class procedure table for the scrollbar widget. Leave the proc fields
- * initialized to NULL, which should happen automatically because of the scope
- * at which the variable is declared.
- */
-
-Tk_ClassProcs tkpScrollbarProcs = {
- sizeof(Tk_ClassProcs) /* size */
-};
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpCreateScrollbar --
- *
- * Allocate a new TkScrollbar structure.
- *
- * Results:
- * Returns a newly allocated TkScrollbar structure.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-TkScrollbar *
-TkpCreateScrollbar(
- Tk_Window tkwin) /* New Tk Window. */
-{
- MacScrollbar * macScrollPtr;
- TkWindow *winPtr = (TkWindow *)tkwin;
-
- if (scrollActionProc == NULL) {
- scrollActionProc = NewControlActionProc(ScrollbarActionProc);
- thumbActionProc = NewThumbActionProc(ThumbActionProc);
- }
-
- macScrollPtr = (MacScrollbar *) ckalloc(sizeof(MacScrollbar));
- macScrollPtr->sbHandle = NULL;
- macScrollPtr->macFlags = 0;
-
- Tk_CreateEventHandler(tkwin, ActivateMask|ExposureMask|
- StructureNotifyMask|FocusChangeMask,
- ScrollbarEventProc, (ClientData) macScrollPtr);
-
- if (!Tcl_GetAssocData(winPtr->mainPtr->interp, "TkScrollbar", NULL)) {
- Tcl_SetAssocData(winPtr->mainPtr->interp, "TkScrollbar", NULL,
- (ClientData)1);
- TkCreateBindingProcedure(winPtr->mainPtr->interp,
- winPtr->mainPtr->bindingTable,
- (ClientData)Tk_GetUid("Scrollbar"), "<ButtonPress>",
- ScrollbarBindProc, NULL, NULL);
- }
-
- return (TkScrollbar *) macScrollPtr;
-}
-
-/*
- *--------------------------------------------------------------
- *
- * TkpDisplayScrollbar --
- *
- * This procedure redraws the contents of a scrollbar window.
- * It is invoked as a do-when-idle handler, so it only runs
- * when there's nothing else for the application to do.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Information appears on the screen.
- *
- *--------------------------------------------------------------
- */
-
-void
-TkpDisplayScrollbar(
- ClientData clientData) /* Information about window. */
-{
- register TkScrollbar *scrollPtr = (TkScrollbar *) clientData;
- register MacScrollbar *macScrollPtr = (MacScrollbar *) clientData;
- register Tk_Window tkwin = scrollPtr->tkwin;
-
- MacDrawable *macDraw;
- CGrafPtr saveWorld;
- GDHandle saveDevice;
- GWorldPtr destPort;
- WindowRef windowRef;
-
- if ((scrollPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
- goto done;
- }
-
- /*
- * Draw the focus or any 3D relief we may have.
- */
- if (scrollPtr->highlightWidth != 0) {
- GC fgGC, bgGC;
-
- bgGC = Tk_GCForColor(scrollPtr->highlightBgColorPtr,
- Tk_WindowId(tkwin));
-
- if (scrollPtr->flags & GOT_FOCUS) {
- fgGC = Tk_GCForColor(scrollPtr->highlightColorPtr,
- Tk_WindowId(tkwin));
- TkpDrawHighlightBorder(tkwin, fgGC, bgGC, scrollPtr->highlightWidth,
- Tk_WindowId(tkwin));
- } else {
- TkpDrawHighlightBorder(tkwin, bgGC, bgGC, scrollPtr->highlightWidth,
- Tk_WindowId(tkwin));
- }
- }
- Tk_Draw3DRectangle(tkwin, Tk_WindowId(tkwin), scrollPtr->bgBorder,
- scrollPtr->highlightWidth, scrollPtr->highlightWidth,
- Tk_Width(tkwin) - 2*scrollPtr->highlightWidth,
- Tk_Height(tkwin) - 2*scrollPtr->highlightWidth,
- scrollPtr->borderWidth, scrollPtr->relief);
-
- /*
- * Set up port for drawing Macintosh control.
- */
- macDraw = (MacDrawable *) Tk_WindowId(tkwin);
- destPort = TkMacGetDrawablePort(Tk_WindowId(tkwin));
- GetGWorld(&saveWorld, &saveDevice);
- SetGWorld(destPort, NULL);
- TkMacSetUpClippingRgn(Tk_WindowId(tkwin));
-
- if (macScrollPtr->sbHandle == NULL) {
- Rect r;
- WindowRef frontNonFloating;
-
- r.left = r.top = 0;
- r.right = r.bottom = 1;
- macScrollPtr->sbHandle = NewControl((WindowRef) destPort, &r, "\p",
- false, (short) 500, 0, 1000,
- scrollBarProc, (SInt32) scrollPtr);
-
- /*
- * If we are foremost than make us active.
- */
-
- if (TkMacHaveAppearance() >= 0x110) {
- frontNonFloating = FrontNonFloatingWindow();
- } else {
- frontNonFloating = FrontWindow();
- }
-
- if ((WindowPtr) destPort == FrontWindow() || TkpIsWindowFloating((WindowPtr) destPort)) {
- macScrollPtr->macFlags |= ACTIVE;
- }
- }
-
- /*
- * Update the control values before we draw.
- */
- windowRef = (**macScrollPtr->sbHandle).contrlOwner;
- UpdateControlValues(macScrollPtr);
-
- if (macScrollPtr->macFlags & ACTIVE) {
- Draw1Control(macScrollPtr->sbHandle);
- if (macScrollPtr->macFlags & DRAW_GROW) {
- DrawGrowIcon(windowRef);
- }
- } else {
- (**macScrollPtr->sbHandle).contrlHilite = 255;
- Draw1Control(macScrollPtr->sbHandle);
- if (macScrollPtr->macFlags & DRAW_GROW) {
- DrawGrowIcon(windowRef);
- Tk_Fill3DRectangle(tkwin, Tk_WindowId(tkwin), scrollPtr->bgBorder,
- Tk_Width(tkwin) - 13, Tk_Height(tkwin) - 13,
- Tk_Width(tkwin), Tk_Height(tkwin),
- 0, TK_RELIEF_FLAT);
- }
- }
-
- SetGWorld(saveWorld, saveDevice);
-
- done:
- scrollPtr->flags &= ~REDRAW_PENDING;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpConfigureScrollbar --
- *
- * This procedure is called after the generic code has finished
- * processing configuration options, in order to configure
- * platform specific options.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkpConfigureScrollbar(scrollPtr)
- register TkScrollbar *scrollPtr; /* Information about widget; may or
- * may not already have values for
- * some fields. */
-{
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpComputeScrollbarGeometry --
- *
- * After changes in a scrollbar's size or configuration, this
- * procedure recomputes various geometry information used in
- * displaying the scrollbar.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The scrollbar will be displayed differently.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkpComputeScrollbarGeometry(
- register TkScrollbar *scrollPtr) /* Scrollbar whose geometry may
- * have changed. */
-{
- MacScrollbar *macScrollPtr = (MacScrollbar *) scrollPtr;
- int width, fieldLength, adjust = 0;
-
- if (scrollPtr->highlightWidth < 0) {
- scrollPtr->highlightWidth = 0;
- }
- scrollPtr->inset = scrollPtr->highlightWidth + scrollPtr->borderWidth;
- width = (scrollPtr->vertical) ? Tk_Width(scrollPtr->tkwin)
- : Tk_Height(scrollPtr->tkwin);
- scrollPtr->arrowLength = width - 2*scrollPtr->inset + 1;
- fieldLength = (scrollPtr->vertical ? Tk_Height(scrollPtr->tkwin)
- : Tk_Width(scrollPtr->tkwin))
- - 2*(scrollPtr->arrowLength + scrollPtr->inset);
- if (fieldLength < 0) {
- fieldLength = 0;
- }
- scrollPtr->sliderFirst = fieldLength*scrollPtr->firstFraction;
- scrollPtr->sliderLast = fieldLength*scrollPtr->lastFraction;
-
- /*
- * Adjust the slider so that some piece of it is always
- * displayed in the scrollbar and so that it has at least
- * a minimal width (so it can be grabbed with the mouse).
- */
-
- if (scrollPtr->sliderFirst > (fieldLength - 2*scrollPtr->borderWidth)) {
- scrollPtr->sliderFirst = fieldLength - 2*scrollPtr->borderWidth;
- }
- if (scrollPtr->sliderFirst < 0) {
- scrollPtr->sliderFirst = 0;
- }
- if (scrollPtr->sliderLast < (scrollPtr->sliderFirst
- + MIN_SLIDER_LENGTH)) {
- scrollPtr->sliderLast = scrollPtr->sliderFirst + MIN_SLIDER_LENGTH;
- }
- if (scrollPtr->sliderLast > fieldLength) {
- scrollPtr->sliderLast = fieldLength;
- }
- scrollPtr->sliderFirst += scrollPtr->arrowLength + scrollPtr->inset;
- scrollPtr->sliderLast += scrollPtr->arrowLength + scrollPtr->inset;
-
- /*
- * Register the desired geometry for the window (leave enough space
- * for the two arrows plus a minimum-size slider, plus border around
- * the whole window, if any). Then arrange for the window to be
- * redisplayed.
- */
-
- if (scrollPtr->vertical) {
- if ((macScrollPtr->macFlags & AUTO_ADJUST) &&
- (macScrollPtr->macFlags & (FLUSH_RIGHT|FLUSH_LEFT))) {
- adjust--;
- }
- Tk_GeometryRequest(scrollPtr->tkwin,
- scrollPtr->width + 2*scrollPtr->inset + adjust,
- 2*(scrollPtr->arrowLength + scrollPtr->borderWidth
- + scrollPtr->inset));
- } else {
- if ((macScrollPtr->macFlags & AUTO_ADJUST) &&
- (macScrollPtr->macFlags & (FLUSH_TOP|FLUSH_BOTTOM))) {
- adjust--;
- }
- Tk_GeometryRequest(scrollPtr->tkwin,
- 2*(scrollPtr->arrowLength + scrollPtr->borderWidth
- + scrollPtr->inset), scrollPtr->width + 2*scrollPtr->inset + adjust);
- }
- Tk_SetInternalBorder(scrollPtr->tkwin, scrollPtr->inset);
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpDestroyScrollbar --
- *
- * Free data structures associated with the scrollbar control.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkpDestroyScrollbar(
- TkScrollbar *scrollPtr) /* Scrollbar to destroy. */
-{
- MacScrollbar *macScrollPtr = (MacScrollbar *)scrollPtr;
-
- if (macScrollPtr->sbHandle != NULL) {
- if (!(macScrollPtr->macFlags & IN_MODAL_LOOP)) {
- DisposeControl(macScrollPtr->sbHandle);
- macScrollPtr->sbHandle = NULL;
- }
- }
- macScrollPtr->macFlags |= ALREADY_DEAD;
-}
-
-/*
- *--------------------------------------------------------------
- *
- * TkpScrollbarPosition --
- *
- * Determine the scrollbar element corresponding to a
- * given position.
- *
- * Results:
- * One of TOP_ARROW, TOP_GAP, etc., indicating which element
- * of the scrollbar covers the position given by (x, y). If
- * (x,y) is outside the scrollbar entirely, then OUTSIDE is
- * returned.
- *
- * Side effects:
- * None.
- *
- *--------------------------------------------------------------
- */
-
-int
-TkpScrollbarPosition(
- TkScrollbar *scrollPtr, /* Scrollbar widget record. */
- int x, int y) /* Coordinates within scrollPtr's
- * window. */
-{
- MacScrollbar *macScrollPtr = (MacScrollbar *) scrollPtr;
- GWorldPtr destPort;
- int length, width, tmp, inactive = false;
- ControlPartCode part;
- Point where;
- Rect bounds;
-
- if (scrollPtr->vertical) {
- length = Tk_Height(scrollPtr->tkwin);
- width = Tk_Width(scrollPtr->tkwin);
- } else {
- tmp = x;
- x = y;
- y = tmp;
- length = Tk_Width(scrollPtr->tkwin);
- width = Tk_Height(scrollPtr->tkwin);
- }
-
- if ((x < scrollPtr->inset) || (x >= (width - scrollPtr->inset))
- || (y < scrollPtr->inset) || (y >= (length - scrollPtr->inset))) {
- return OUTSIDE;
- }
-
- /*
- * All of the calculations in this procedure mirror those in
- * DisplayScrollbar. Be sure to keep the two consistent. On the
- * Macintosh we use the OS call TestControl to do this mapping.
- * For TestControl to work, the scrollbar must be active and must
- * be in the current port.
- */
-
- destPort = TkMacGetDrawablePort(Tk_WindowId(scrollPtr->tkwin));
- SetGWorld(destPort, NULL);
- UpdateControlValues(macScrollPtr);
- if ((**macScrollPtr->sbHandle).contrlHilite == 255) {
- inactive = true;
- (**macScrollPtr->sbHandle).contrlHilite = 0;
- }
-
- TkMacWinBounds((TkWindow *) scrollPtr->tkwin, &bounds);
- where.h = x + bounds.left;
- where.v = y + bounds.top;
- part = TestControl(((MacScrollbar *) scrollPtr)->sbHandle, where);
- if (inactive) {
- (**macScrollPtr->sbHandle).contrlHilite = 255;
- }
- switch (part) {
- case kControlUpButtonPart:
- return TOP_ARROW;
- case kControlPageUpPart:
- return TOP_GAP;
- case kControlIndicatorPart:
- return SLIDER;
- case kControlPageDownPart:
- return BOTTOM_GAP;
- case kControlDownButtonPart:
- return BOTTOM_ARROW;
- default:
- return OUTSIDE;
- }
-}
-
-/*
- *--------------------------------------------------------------
- *
- * ThumbActionProc --
- *
- * Callback procedure used by the Macintosh toolbox call
- * TrackControl. This call is used to track the thumb of
- * the scrollbar. Unlike the ScrollbarActionProc function
- * this function is called once and basically takes over
- * tracking the scrollbar from the control. This is done
- * to avoid conflicts with what the control plans to draw.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May change the display.
- *
- *--------------------------------------------------------------
- */
-
-static pascal void
-ThumbActionProc()
-{
- register TkScrollbar *scrollPtr = activeScrollPtr;
- register MacScrollbar *macScrollPtr = (MacScrollbar *) activeScrollPtr;
- Tcl_DString cmdString;
- Rect nullRect = {0,0,0,0};
- int origValue, trackBarPin;
- double thumbWidth, newFirstFraction, trackBarSize;
- char vauleString[40];
- Point currentPoint = { 0, 0 };
- Point lastPoint = { 0, 0 };
- Rect trackRect;
- Tcl_Interp *interp;
-
- if (scrollPtr == NULL) {
- return;
- }
-
- Tcl_DStringInit(&cmdString);
-
- /*
- * First compute values that will remain constant during the tracking
- * of the thumb. The variable trackBarSize is the length of the scrollbar
- * minus the 2 arrows and half the width of the thumb on both sides
- * (3 * arrowLength). The variable trackBarPin is the lower starting point
- * of the drag region.
- *
- * Note: the arrowLength is equal to the thumb width of a Mac scrollbar.
- */
- origValue = GetControlValue(macScrollPtr->sbHandle);
- trackRect = (**macScrollPtr->sbHandle).contrlRect;
- if (scrollPtr->vertical == true) {
- trackBarSize = (double) (trackRect.bottom - trackRect.top
- - (scrollPtr->arrowLength * 3));
- trackBarPin = trackRect.top + scrollPtr->arrowLength
- + (scrollPtr->arrowLength / 2);
- InsetRect(&trackRect, -25, -113);
-
- } else {
- trackBarSize = (double) (trackRect.right - trackRect.left
- - (scrollPtr->arrowLength * 3));
- trackBarPin = trackRect.left + scrollPtr->arrowLength
- + (scrollPtr->arrowLength / 2);
- InsetRect(&trackRect, -113, -25);
- }
-
- /*
- * Track the mouse while the button is held down. If the mouse is moved,
- * we calculate the value that should be passed to the "command" part of
- * the scrollbar.
- */
- while (StillDown()) {
- GetMouse(&currentPoint);
- if (EqualPt(currentPoint, lastPoint)) {
- continue;
- }
- lastPoint = currentPoint;
-
- /*
- * Calculating this value is a little tricky. We need to calculate a
- * value for where the thumb would be in a Motif widget (variable
- * thumb). This value is what the "command" expects and is what will
- * be resent to the scrollbar to update its value.
- */
- thumbWidth = scrollPtr->lastFraction - scrollPtr->firstFraction;
- if (PtInRect(currentPoint, &trackRect)) {
- if (scrollPtr->vertical == true) {
- newFirstFraction = (1.0 - thumbWidth) *
- ((double) (currentPoint.v - trackBarPin) / trackBarSize);
- } else {
- newFirstFraction = (1.0 - thumbWidth) *
- ((double) (currentPoint.h - trackBarPin) / trackBarSize);
- }
- } else {
- newFirstFraction = ((double) origValue / 1000.0)
- * (1.0 - thumbWidth);
- }
-
- sprintf(vauleString, "%g", newFirstFraction);
-
- Tcl_DStringSetLength(&cmdString, 0);
- Tcl_DStringAppend(&cmdString, scrollPtr->command,
- scrollPtr->commandSize);
- Tcl_DStringAppendElement(&cmdString, "moveto");
- Tcl_DStringAppendElement(&cmdString, vauleString);
-
- interp = scrollPtr->interp;
- Tcl_Preserve((ClientData) interp);
- Tcl_GlobalEval(interp, cmdString.string);
- Tcl_Release((ClientData) interp);
-
- Tcl_DStringSetLength(&cmdString, 0);
- Tcl_DStringAppend(&cmdString, "update idletasks",
- strlen("update idletasks"));
- Tcl_Preserve((ClientData) interp);
- Tcl_GlobalEval(interp, cmdString.string);
- Tcl_Release((ClientData) interp);
- }
-
- /*
- * This next bit of code is a bit of a hack - but needed. The problem is
- * that the control wants to draw the drag outline if the control value
- * changes during the drag (which it does). What we do here is change the
- * clip region to hide this drawing from the user.
- */
- ClipRect(&nullRect);
-
- Tcl_DStringFree(&cmdString);
- return;
-}
-
-/*
- *--------------------------------------------------------------
- *
- * ScrollbarActionProc --
- *
- * Callback procedure used by the Macintosh toolbox call
- * TrackControl. This call will update the display while
- * the scrollbar is being manipulated by the user.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May change the display.
- *
- *--------------------------------------------------------------
- */
-
-static pascal void
-ScrollbarActionProc(
- ControlRef theControl, /* Handle to scrollbat control */
- ControlPartCode partCode) /* Part of scrollbar that was "hit" */
-{
- register TkScrollbar *scrollPtr = (TkScrollbar *) GetControlReference(theControl);
- Tcl_DString cmdString;
-
- Tcl_DStringInit(&cmdString);
- Tcl_DStringAppend(&cmdString, scrollPtr->command,
- scrollPtr->commandSize);
-
- if (partCode == kControlUpButtonPart || partCode == kControlDownButtonPart) {
- Tcl_DStringAppendElement(&cmdString, "scroll");
- Tcl_DStringAppendElement(&cmdString,
- (partCode == kControlUpButtonPart ) ? "-1" : "1");
- Tcl_DStringAppendElement(&cmdString, "unit");
- } else if (partCode == kControlPageUpPart || partCode == kControlPageDownPart) {
- Tcl_DStringAppendElement(&cmdString, "scroll");
- Tcl_DStringAppendElement(&cmdString,
- (partCode == kControlPageUpPart ) ? "-1" : "1");
- Tcl_DStringAppendElement(&cmdString, "page");
- }
- Tcl_Preserve((ClientData) scrollPtr->interp);
- Tcl_DStringAppend(&cmdString, "; update idletasks",
- strlen("; update idletasks"));
- Tcl_GlobalEval(scrollPtr->interp, cmdString.string);
- Tcl_Release((ClientData) scrollPtr->interp);
-
- Tcl_DStringFree(&cmdString);
-}
-
-/*
- *--------------------------------------------------------------
- *
- * ScrollbarBindProc --
- *
- * This procedure is invoked when the default <ButtonPress>
- * binding on the Scrollbar bind tag fires.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The event enters a modal loop.
- *
- *--------------------------------------------------------------
- */
-
-static int
-ScrollbarBindProc(
- ClientData clientData, /* Not used. */
- Tcl_Interp *interp, /* Interp with binding. */
- XEvent *eventPtr, /* X event that triggered binding. */
- Tk_Window tkwin, /* Target window for event. */
- KeySym keySym) /* The KeySym if a key event. */
-{
- TkWindow *winPtr = (TkWindow*)tkwin;
- TkScrollbar *scrollPtr = (TkScrollbar *) winPtr->instanceData;
- MacScrollbar *macScrollPtr = (MacScrollbar *) winPtr->instanceData;
-
- Tcl_Preserve((ClientData)scrollPtr);
- macScrollPtr->macFlags |= IN_MODAL_LOOP;
-
- if (eventPtr->type == ButtonPress) {
- Point where;
- Rect bounds;
- int part, x, y, dummy;
- unsigned int state;
- CGrafPtr saveWorld;
- GDHandle saveDevice;
- GWorldPtr destPort;
- Window window;
-
- /*
- * To call Macintosh control routines we must have the port
- * set to the window containing the control. We will then test
- * which part of the control was hit and act accordingly.
- */
- destPort = TkMacGetDrawablePort(Tk_WindowId(scrollPtr->tkwin));
- GetGWorld(&saveWorld, &saveDevice);
- SetGWorld(destPort, NULL);
- TkMacSetUpClippingRgn(Tk_WindowId(scrollPtr->tkwin));
-
- TkMacWinBounds((TkWindow *) scrollPtr->tkwin, &bounds);
- where.h = eventPtr->xbutton.x + bounds.left;
- where.v = eventPtr->xbutton.y + bounds.top;
- part = TestControl(macScrollPtr->sbHandle, where);
- if (part == kControlIndicatorPart && scrollPtr->jump == false) {
- /*
- * Case 1: In thumb, no jump scrolling. Call track control
- * with the thumb action proc which will do most of the work.
- * Set the global activeScrollPtr to the current control
- * so the callback may have access to it.
- */
- activeScrollPtr = scrollPtr;
- part = TrackControl(macScrollPtr->sbHandle, where,
- (ControlActionUPP) thumbActionProc);
- activeScrollPtr = NULL;
- } else if (part == kControlIndicatorPart) {
- /*
- * Case 2: in thumb with jump scrolling. Call TrackControl
- * with a NULL action proc. Use the new value of the control
- * to set update the control.
- */
- part = TrackControl(macScrollPtr->sbHandle, where, NULL);
- if (part == kControlIndicatorPart) {
- double newFirstFraction, thumbWidth;
- Tcl_DString cmdString;
- char vauleString[TCL_DOUBLE_SPACE];
-
- /*
- * The following calculation takes the new control
- * value and maps it to what Tk needs for its variable
- * thumb size representation.
- */
- thumbWidth = scrollPtr->lastFraction
- - scrollPtr->firstFraction;
- newFirstFraction = (1.0 - thumbWidth) *
- ((double) GetControlValue(macScrollPtr->sbHandle) / 1000.0);
- sprintf(vauleString, "%g", newFirstFraction);
-
- Tcl_DStringInit(&cmdString);
- Tcl_DStringAppend(&cmdString, scrollPtr->command,
- strlen(scrollPtr->command));
- Tcl_DStringAppendElement(&cmdString, "moveto");
- Tcl_DStringAppendElement(&cmdString, vauleString);
- Tcl_DStringAppend(&cmdString, "; update idletasks",
- strlen("; update idletasks"));
-
- interp = scrollPtr->interp;
- Tcl_Preserve((ClientData) interp);
- Tcl_GlobalEval(interp, cmdString.string);
- Tcl_Release((ClientData) interp);
- Tcl_DStringFree(&cmdString);
- }
- } else if (part != 0) {
- /*
- * Case 3: in any other part of the scrollbar. We call
- * TrackControl with the scrollActionProc which will do
- * most all the work.
- */
- TrackControl(macScrollPtr->sbHandle, where, scrollActionProc);
- HiliteControl(macScrollPtr->sbHandle, 0);
- }
-
- /*
- * The TrackControl call will "eat" the ButtonUp event. We now
- * generate a ButtonUp event so Tk will unset implicit grabs etc.
- */
- GetMouse(&where);
- XQueryPointer(NULL, None, &window, &window, &x,
- &y, &dummy, &dummy, &state);
- window = Tk_WindowId(scrollPtr->tkwin);
- TkGenerateButtonEvent(x, y, window, state);
-
- SetGWorld(saveWorld, saveDevice);
- }
-
- if (macScrollPtr->sbHandle && (macScrollPtr->macFlags & ALREADY_DEAD)) {
- DisposeControl(macScrollPtr->sbHandle);
- macScrollPtr->sbHandle = NULL;
- }
- macScrollPtr->macFlags &= ~IN_MODAL_LOOP;
- Tcl_Release((ClientData)scrollPtr);
-
- return TCL_OK;
-}
-
-/*
- *--------------------------------------------------------------
- *
- * ScrollbarEventProc --
- *
- * This procedure is invoked by the Tk dispatcher for various
- * events on scrollbars.
- *
- * Results:
- * None.
- *
- * Side effects:
- * When the window gets deleted, internal structures get
- * cleaned up. When it gets exposed, it is redisplayed.
- *
- *--------------------------------------------------------------
- */
-
-static void
-ScrollbarEventProc(
- ClientData clientData, /* Information about window. */
- XEvent *eventPtr) /* Information about event. */
-{
- TkScrollbar *scrollPtr = (TkScrollbar *) clientData;
- MacScrollbar *macScrollPtr = (MacScrollbar *) clientData;
-
- if (eventPtr->type == UnmapNotify) {
- TkMacSetScrollbarGrow((TkWindow *) scrollPtr->tkwin, false);
- } else if (eventPtr->type == ActivateNotify) {
- macScrollPtr->macFlags |= ACTIVE;
- TkScrollbarEventuallyRedraw((ClientData) scrollPtr);
- } else if (eventPtr->type == DeactivateNotify) {
- macScrollPtr->macFlags &= ~ACTIVE;
- TkScrollbarEventuallyRedraw((ClientData) scrollPtr);
- } else {
- TkScrollbarEventProc(clientData, eventPtr);
- }
-}
-
-/*
- *--------------------------------------------------------------
- *
- * UpdateControlValues --
- *
- * This procedure updates the Macintosh scrollbar control
- * to display the values defined by the Tk scrollbar.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The Macintosh control is updated.
- *
- *--------------------------------------------------------------
- */
-
-static void
-UpdateControlValues(
- MacScrollbar *macScrollPtr) /* Scrollbar data struct. */
-{
- TkScrollbar *scrollPtr = (TkScrollbar *) macScrollPtr;
- Tk_Window tkwin = scrollPtr->tkwin;
- MacDrawable * macDraw = (MacDrawable *) Tk_WindowId(scrollPtr->tkwin);
- WindowRef windowRef = (**macScrollPtr->sbHandle).contrlOwner;
- double middle;
- int drawGrowRgn = false;
- int flushRight = false;
- int flushBottom = false;
-
- /*
- * We can't use the Macintosh commands SizeControl and MoveControl as these
- * calls will also cause a redraw which in our case will also cause
- * flicker. To avoid this we adjust the control record directly. The
- * Draw1Control command appears to just draw where ever the control says to
- * draw so this seems right.
- *
- * NOTE: changing the control record directly may not work when
- * Apple releases the Copland version of the MacOS (or when hell is cold).
- */
-
- (**macScrollPtr->sbHandle).contrlRect.left = macDraw->xOff + scrollPtr->inset;
- (**macScrollPtr->sbHandle).contrlRect.top = macDraw->yOff + scrollPtr->inset;
- (**macScrollPtr->sbHandle).contrlRect.right = macDraw->xOff + Tk_Width(tkwin)
- - scrollPtr->inset;
- (**macScrollPtr->sbHandle).contrlRect.bottom = macDraw->yOff +
- Tk_Height(tkwin) - scrollPtr->inset;
-
- /*
- * To make Tk applications look more like Macintosh applications without
- * requiring additional work by the Tk developer we do some cute tricks.
- * The first trick plays with the size of the widget to get it to overlap
- * with the side of the window by one pixel (we don't do this if the placer
- * is the geometry manager). The second trick shrinks the scrollbar if it
- * it covers the area of the grow region ao the scrollbar can also draw
- * the grow region if need be.
- */
- if (!strcmp(macDraw->winPtr->geomMgrPtr->name, "place")) {
- macScrollPtr->macFlags &= AUTO_ADJUST;
- } else {
- macScrollPtr->macFlags |= AUTO_ADJUST;
- }
- /* TODO: use accessor function!!! */
- if (windowRef->portRect.left == (**macScrollPtr->sbHandle).contrlRect.left) {
- if (macScrollPtr->macFlags & AUTO_ADJUST) {
- (**macScrollPtr->sbHandle).contrlRect.left--;
- }
- if (!(macScrollPtr->macFlags & FLUSH_LEFT)) {
- macScrollPtr->macFlags |= FLUSH_LEFT;
- if (scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
- } else if (macScrollPtr->macFlags & FLUSH_LEFT) {
- macScrollPtr->macFlags &= ~FLUSH_LEFT;
- if (scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
-
- if (windowRef->portRect.top == (**macScrollPtr->sbHandle).contrlRect.top) {
- if (macScrollPtr->macFlags & AUTO_ADJUST) {
- (**macScrollPtr->sbHandle).contrlRect.top--;
- }
- if (!(macScrollPtr->macFlags & FLUSH_TOP)) {
- macScrollPtr->macFlags |= FLUSH_TOP;
- if (! scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
- } else if (macScrollPtr->macFlags & FLUSH_TOP) {
- macScrollPtr->macFlags &= ~FLUSH_TOP;
- if (! scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
-
- if (windowRef->portRect.right == (**macScrollPtr->sbHandle).contrlRect.right) {
- flushRight = true;
- if (macScrollPtr->macFlags & AUTO_ADJUST) {
- (**macScrollPtr->sbHandle).contrlRect.right++;
- }
- if (!(macScrollPtr->macFlags & FLUSH_RIGHT)) {
- macScrollPtr->macFlags |= FLUSH_RIGHT;
- if (scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
- } else if (macScrollPtr->macFlags & FLUSH_RIGHT) {
- macScrollPtr->macFlags &= ~FLUSH_RIGHT;
- if (scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
-
- if (windowRef->portRect.bottom == (**macScrollPtr->sbHandle).contrlRect.bottom) {
- flushBottom = true;
- if (macScrollPtr->macFlags & AUTO_ADJUST) {
- (**macScrollPtr->sbHandle).contrlRect.bottom++;
- }
- if (!(macScrollPtr->macFlags & FLUSH_BOTTOM)) {
- macScrollPtr->macFlags |= FLUSH_BOTTOM;
- if (! scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
- } else if (macScrollPtr->macFlags & FLUSH_BOTTOM) {
- macScrollPtr->macFlags &= ~FLUSH_BOTTOM;
- if (! scrollPtr->vertical) {
- TkpComputeScrollbarGeometry(scrollPtr);
- }
- }
-
- /*
- * If the scrollbar is flush against the bottom right hand coner then
- * it may need to draw the grow region for the window so we let the
- * wm code know about this scrollbar. We don't actually draw the grow
- * region, however, unless we are currently resizable.
- */
- macScrollPtr->macFlags &= ~DRAW_GROW;
- if (flushBottom && flushRight) {
- TkMacSetScrollbarGrow((TkWindow *) tkwin, true);
- if (TkMacResizable(macDraw->toplevel->winPtr)) {
- if (scrollPtr->vertical) {
- (**macScrollPtr->sbHandle).contrlRect.bottom -= 14;
- } else {
- (**macScrollPtr->sbHandle).contrlRect.right -= 14;
- }
- macScrollPtr->macFlags |= DRAW_GROW;
- }
- } else {
- TkMacSetScrollbarGrow((TkWindow *) tkwin, false);
- }
-
- /*
- * Given the Tk parameters for the fractions of the start and
- * end of the thumb, the following calculation determines the
- * location for the fixed sized Macintosh thumb.
- */
- middle = scrollPtr->firstFraction / (scrollPtr->firstFraction +
- (1.0 - scrollPtr->lastFraction));
-
- (**macScrollPtr->sbHandle).contrlValue = (short) (middle * 1000);
- if ((**macScrollPtr->sbHandle).contrlHilite == 0 ||
- (**macScrollPtr->sbHandle).contrlHilite == 255) {
- if (scrollPtr->firstFraction == 0.0 &&
- scrollPtr->lastFraction == 1.0) {
- (**macScrollPtr->sbHandle).contrlHilite = 255;
- } else {
- (**macScrollPtr->sbHandle).contrlHilite = 0;
- }
- }
- if ((**macScrollPtr->sbHandle).contrlVis != 255) {
- (**macScrollPtr->sbHandle).contrlVis = 255;
- }
-}