diff options
Diffstat (limited to 'mac/tkMacScale.c')
| -rw-r--r-- | mac/tkMacScale.c | 439 |
1 files changed, 0 insertions, 439 deletions
diff --git a/mac/tkMacScale.c b/mac/tkMacScale.c deleted file mode 100644 index 4db06b2..0000000 --- a/mac/tkMacScale.c +++ /dev/null @@ -1,439 +0,0 @@ -/* - * tkMacScale.c -- - * - * This file implements the Macintosh specific portion of the - * scale widget. - * - * Copyright (c) 1996 by Sun Microsystems, Inc. - * Copyright (c) 1998-2000 by Scriptics Corporation. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tkMacScale.c,v 1.7 2000/04/19 09:25:54 hobbs Exp $ - */ - -#include "tkScale.h" -#include "tkInt.h" -#include <Controls.h> -#include "tkMacInt.h" - -/* - * Defines used in this file. - */ -#define slider 1110 -#define inSlider 1 -#define inInc 2 -#define inDecr 3 - -/* - * Declaration of Macintosh specific scale structure. - */ - -typedef struct MacScale { - TkScale info; /* Generic scale info. */ - int flags; /* Flags. */ - ControlRef scaleHandle; /* Handle to the Scale control struct. */ -} MacScale; - -/* - * Globals uses locally in this file. - */ -static ControlActionUPP scaleActionProc = NULL; /* Pointer to func. */ - -/* - * Forward declarations for procedures defined later in this file: - */ - -static void MacScaleEventProc _ANSI_ARGS_((ClientData clientData, - XEvent *eventPtr)); -static pascal void ScaleActionProc _ANSI_ARGS_((ControlRef theControl, - ControlPartCode partCode)); - -/* - *---------------------------------------------------------------------- - * - * TkpCreateScale -- - * - * Allocate a new TkScale structure. - * - * Results: - * Returns a newly allocated TkScale structure. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -TkScale * -TkpCreateScale(tkwin) - Tk_Window tkwin; -{ - MacScale *macScalePtr;; - - macScalePtr = (MacScale *) ckalloc(sizeof(MacScale)); - macScalePtr->scaleHandle = NULL; - if (scaleActionProc == NULL) { - scaleActionProc = NewControlActionProc(ScaleActionProc); - } - - Tk_CreateEventHandler(tkwin, ButtonPressMask, - MacScaleEventProc, (ClientData) macScalePtr); - - return (TkScale *) macScalePtr; -} - -/* - *---------------------------------------------------------------------- - * - * TkpDestroyScale -- - * - * Free Macintosh specific resources. - * - * Results: - * None - * - * Side effects: - * The slider control is destroyed. - * - *---------------------------------------------------------------------- - */ - -void -TkpDestroyScale(scalePtr) - TkScale *scalePtr; -{ - MacScale *macScalePtr = (MacScale *) scalePtr; - - /* - * Free Macintosh control. - */ - if (macScalePtr->scaleHandle != NULL) { - DisposeControl(macScalePtr->scaleHandle); - } -} - -/* - *---------------------------------------------------------------------- - * - * TkpDisplayScale -- - * - * This procedure is invoked as an idle handler to redisplay - * the contents of a scale widget. - * - * Results: - * None. - * - * Side effects: - * The scale gets redisplayed. - * - *---------------------------------------------------------------------- - */ - -void -TkpDisplayScale(clientData) - ClientData clientData; /* Widget record for scale. */ -{ - TkScale *scalePtr = (TkScale *) clientData; - Tk_Window tkwin = scalePtr->tkwin; - Tcl_Interp *interp = scalePtr->interp; - int result; - char string[PRINT_CHARS]; - MacScale *macScalePtr = (MacScale *) clientData; - Rect r; - WindowRef windowRef; - GWorldPtr destPort; - CGrafPtr saveWorld; - GDHandle saveDevice; - MacDrawable *macDraw; - - scalePtr->flags &= ~REDRAW_PENDING; - if ((scalePtr->tkwin == NULL) || !Tk_IsMapped(scalePtr->tkwin)) { - goto done; - } - - /* - * Invoke the scale's command if needed. - */ - - Tcl_Preserve((ClientData) scalePtr); - if ((scalePtr->flags & INVOKE_COMMAND) && (scalePtr->command != NULL)) { - Tcl_Preserve((ClientData) interp); - sprintf(string, scalePtr->format, scalePtr->value); - result = Tcl_VarEval(interp, scalePtr->command, " ", string, - (char *) NULL); - if (result != TCL_OK) { - Tcl_AddErrorInfo(interp, "\n (command executed by scale)"); - Tcl_BackgroundError(interp); - } - Tcl_Release((ClientData) interp); - } - scalePtr->flags &= ~INVOKE_COMMAND; - if (scalePtr->flags & SCALE_DELETED) { - Tcl_Release((ClientData) scalePtr); - return; - } - Tcl_Release((ClientData) scalePtr); - - /* - * Now handle the part of redisplay that is the same for - * horizontal and vertical scales: border and traversal - * highlight. - */ - - if (scalePtr->highlightWidth != 0) { - GC gc; - - gc = Tk_GCForColor(scalePtr->highlightColorPtr, Tk_WindowId(tkwin)); - Tk_DrawFocusHighlight(tkwin, gc, scalePtr->highlightWidth, - Tk_WindowId(tkwin)); - } - Tk_Draw3DRectangle(tkwin, Tk_WindowId(tkwin), scalePtr->bgBorder, - scalePtr->highlightWidth, scalePtr->highlightWidth, - Tk_Width(tkwin) - 2*scalePtr->highlightWidth, - Tk_Height(tkwin) - 2*scalePtr->highlightWidth, - scalePtr->borderWidth, scalePtr->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)); - - /* - * Create Macintosh control. - */ - if (macScalePtr->scaleHandle == NULL) { - r.left = r.top = 0; - r.right = r.bottom = 1; - /* TODO: initial value. */ - /* 16*slider+4 */ - macScalePtr->scaleHandle = NewControl((WindowRef) destPort, - &r, "\p", false, (short) 35, 0, 1000, - 16*slider, (SInt32) macScalePtr); - - /* - * If we are foremost than make us active. - */ - if ((WindowPtr) destPort == FrontWindow()) { - macScalePtr->flags |= ACTIVE; - } - } - windowRef = (**macScalePtr->scaleHandle).contrlOwner; - - /* - * 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 in late 1996. - */ - - (**macScalePtr->scaleHandle).contrlRect.left = macDraw->xOff - + scalePtr->inset; - (**macScalePtr->scaleHandle).contrlRect.top = macDraw->yOff - + scalePtr->inset; - (**macScalePtr->scaleHandle).contrlRect.right = macDraw->xOff - + Tk_Width(tkwin) - scalePtr->inset; - (**macScalePtr->scaleHandle).contrlRect.bottom = macDraw->yOff - + Tk_Height(tkwin) - scalePtr->inset; - - /* - * Set the thumb and resolution etc. - */ - (**macScalePtr->scaleHandle).contrlMin = (SInt16) scalePtr->toValue; - (**macScalePtr->scaleHandle).contrlMax = (SInt16) scalePtr->fromValue; - (**macScalePtr->scaleHandle).contrlValue = (SInt16) scalePtr->value; - - /* - * Finally draw the control. - */ - (**macScalePtr->scaleHandle).contrlVis = 255; - (**macScalePtr->scaleHandle).contrlHilite = 0; - Draw1Control(macScalePtr->scaleHandle); - - SetGWorld(saveWorld, saveDevice); - - done: - scalePtr->flags &= ~REDRAW_ALL; -} - -/* - *---------------------------------------------------------------------- - * - * TkpScaleElement -- - * - * Determine which part of a scale widget lies under a given - * point. - * - * Results: - * The return value is either TROUGH1, SLIDER, TROUGH2, or - * OTHER, depending on which of the scale's active elements - * (if any) is under the point at (x,y). - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkpScaleElement(scalePtr, x, y) - TkScale *scalePtr; /* Widget record for scale. */ - int x, y; /* Coordinates within scalePtr's window. */ -{ - MacScale *macScalePtr = (MacScale *) scalePtr; - ControlPartCode part; - Point where; - Rect bounds; - CGrafPtr saveWorld; - GDHandle saveDevice; - GWorldPtr destPort; - - destPort = TkMacGetDrawablePort(Tk_WindowId(scalePtr->tkwin)); - GetGWorld(&saveWorld, &saveDevice); - SetGWorld(destPort, NULL); - - /* - * All of the calculations in this procedure mirror those in - * DisplayScrollbar. Be sure to keep the two consistent. - */ - - TkMacWinBounds((TkWindow *) scalePtr->tkwin, &bounds); - where.h = x + bounds.left; - where.v = y + bounds.top; - part = TestControl(macScalePtr->scaleHandle, where); - - SetGWorld(saveWorld, saveDevice); - - switch (part) { - case inSlider: - return SLIDER; - case inInc: - if (scalePtr->orient == ORIENT_VERTICAL) { - return TROUGH1; - } else { - return TROUGH2; - } - case inDecr: - if (scalePtr->orient == ORIENT_VERTICAL) { - return TROUGH2; - } else { - return TROUGH1; - } - default: - return OTHER; - } -} - -/* - *-------------------------------------------------------------- - * - * MacScaleEventProc -- - * - * This procedure is invoked by the Tk dispatcher for - * ButtonPress events on scales. - * - * Results: - * None. - * - * Side effects: - * When the window gets deleted, internal structures get - * cleaned up. When it gets exposed, it is redisplayed. - * - *-------------------------------------------------------------- - */ - -static void -MacScaleEventProc(clientData, eventPtr) - ClientData clientData; /* Information about window. */ - XEvent *eventPtr; /* Information about event. */ -{ - MacScale *macScalePtr = (MacScale *) clientData; - Point where; - Rect bounds; - int part, x, y, dummy; - unsigned int state; - CGrafPtr saveWorld; - GDHandle saveDevice; - GWorldPtr destPort; - Window dummyWin; - - /* - * 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(macScalePtr->info.tkwin)); - GetGWorld(&saveWorld, &saveDevice); - SetGWorld(destPort, NULL); - TkMacSetUpClippingRgn(Tk_WindowId(macScalePtr->info.tkwin)); - - TkMacWinBounds((TkWindow *) macScalePtr->info.tkwin, &bounds); - where.h = eventPtr->xbutton.x + bounds.left; - where.v = eventPtr->xbutton.y + bounds.top; - part = TestControl(macScalePtr->scaleHandle, where); - if (part == 0) { - return; - } - - part = TrackControl(macScalePtr->scaleHandle, where, scaleActionProc); - - /* - * Update the value for the widget. - */ - macScalePtr->info.value = (**macScalePtr->scaleHandle).contrlValue; - /* TkScaleSetValue(&macScalePtr->info, macScalePtr->info.value, 1, 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, &dummyWin, &dummyWin, &x, - &y, &dummy, &dummy, &state); - TkGenerateButtonEvent(x, y, Tk_WindowId(macScalePtr->info.tkwin), state); - - SetGWorld(saveWorld, saveDevice); -} - -/* - *-------------------------------------------------------------- - * - * ScaleActionProc -- - * - * 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 -ScaleActionProc(ControlRef theControl, ControlPartCode partCode) - /* ControlRef theControl; /* Handle to scrollbat control */ - /* ControlPartCode partCode; /* Part of scrollbar that was "hit" */ -{ - register int value; - register TkScale *scalePtr = (TkScale *) GetCRefCon(theControl); - - value = (**theControl).contrlValue; - TkScaleSetValue(scalePtr, value, 1, 1); - Tcl_Preserve((ClientData) scalePtr); - Tcl_DoOneEvent(TCL_IDLE_EVENTS); - Tcl_Release((ClientData) scalePtr); -} - |