Update upstream source from tag 'upstream/5.3.0GA'

Update to upstream version '5.3.0GA'
with Debian dir dfd14d63b0238e276ade6f54dd9100325df5b2f9

1 files changed, 800 insertions, 0 deletions

diff --git a/app/bin/command.c b/app/bin/command.c
new file mode 100644
index 0000000..bf628f8
--- /dev/null
+++ b/app/bin/command.c
@@ -0,0 +1,800 @@
+/* file command.c
+ * Main routine and initialization for the application
+ */
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2005 Dave Bullis
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+
+#include "command.h"
+#include "common.h"
+#include "cselect.h"
+#include "cundo.h"
+#include "draw.h"
+#include "fileio.h"
+#include "track.h"
+#include "common-ui.h"
+#include "menu.h"
+
+/*****************************************************************************
+ *
+ * COMMAND
+ *
+ */
+
+#define COMMAND_MAX (250)
+#define BUTTON_MAX (250)
+
+static struct {
+	wControl_p control;
+	wBool_t enabled;
+	wWinPix_t x, y;
+	long options;
+	int group;
+	wIndex_t cmdInx;
+} buttonList[BUTTON_MAX];
+EXPORT int buttonCnt = 0; // TODO-misc-refactor
+
+static struct {
+	procCommand_t cmdProc;
+	char * helpKey;
+	wIndex_t buttInx;
+	char * labelStr;
+	wIcon_p icon;
+	int reqLevel;
+	wBool_t enabled;
+	long options;
+	long stickyMask;
+	long acclKey;
+	wMenuPush_p menu[NUM_CMDMENUS];
+	void * context;
+} commandList[COMMAND_MAX];
+
+
+EXPORT int commandCnt = 0;
+
+static wIndex_t curCommand = 0;
+
+EXPORT int cmdGroup;
+
+static int log_command;
+
+#define TOOLBARSET_INIT				(0xFFFF)
+EXPORT long toolbarSet = TOOLBARSET_INIT;
+EXPORT wWinPix_t toolbarHeight = 0;
+static wWinPix_t toolbarWidth = 0;
+EXPORT long preSelect = 0;	/**< default command 0 = Describe 1 = Select */
+EXPORT long rightClickMode = 0;
+EXPORT void * commandContext;
+EXPORT coOrd cmdMenuPos;
+
+/*--------------------------------------------------------------------*/
+EXPORT const char* GetCurCommandName()
+{
+	return commandList[curCommand].helpKey;
+}
+
+EXPORT void EnableCommands(void)
+{
+	int inx, minx;
+	wBool_t enable;
+
+	LOG(log_command, 5,
+	    ( "COMMAND enable S%d M%d\n", selectedTrackCount, programMode ))
+	for (inx = 0; inx < commandCnt; inx++) {
+		if (commandList[inx].buttInx) {
+			if ((commandList[inx].options & IC_SELECTED)
+			    && selectedTrackCount <= 0) {
+				enable = FALSE;
+			} else if ((programMode == MODE_TRAIN
+			            && (commandList[inx].options
+			                & (IC_MODETRAIN_TOO | IC_MODETRAIN_ONLY)) == 0)
+			           || (programMode != MODE_TRAIN
+			               && (commandList[inx].options & IC_MODETRAIN_ONLY)
+			               != 0)) {
+				enable = FALSE;
+			} else {
+				enable = TRUE;
+			}
+			if (commandList[inx].enabled != enable) {
+				if (commandList[inx].buttInx >= 0)
+					wControlActive(buttonList[commandList[inx].buttInx].control,
+					               enable);
+				for (minx = 0; minx < NUM_CMDMENUS; minx++)
+					if (commandList[inx].menu[minx]) {
+						wMenuPushEnable(commandList[inx].menu[minx], enable);
+					}
+				commandList[inx].enabled = enable;
+			}
+		}
+	}
+
+	EnableMenus();
+
+	for (inx = 0; inx < buttonCnt; inx++) {
+		if (buttonList[inx].cmdInx < 0
+		    && (buttonList[inx].options & IC_SELECTED)) {
+			wControlActive(buttonList[inx].control, selectedTrackCount > 0);
+		}
+	}
+}
+
+EXPORT wIndex_t GetCurrentCommand()
+{
+	return curCommand;
+}
+
+EXPORT void Reset(void)
+{
+	if (recordF) {
+		fprintf(recordF, "RESET\n");
+		fflush(recordF);
+	}
+	LOG(log_command, 2,
+	    ( "COMMAND CANCEL %s\n", commandList[curCommand].helpKey ))
+	commandList[curCommand].cmdProc( C_CANCEL, zero);
+	if (commandList[curCommand].buttInx >= 0)
+		wButtonSetBusy(
+		        (wButton_p) buttonList[commandList[curCommand].buttInx].control,
+		        FALSE);
+	curCommand = (preSelect ? selectCmdInx : describeCmdInx);
+	wSetCursor(mainD.d, preSelect ? defaultCursor : wCursorQuestion);
+	commandContext = commandList[curCommand].context;
+	if (commandList[curCommand].buttInx >= 0)
+		wButtonSetBusy(
+		        (wButton_p) buttonList[commandList[curCommand].buttInx].control,
+		        TRUE);
+	DYNARR_RESET( trkSeg_t, tempSegs_da );
+
+	TryCheckPoint();
+
+	ClrAllTrkBits( TB_UNDRAWN );
+	DoRedraw(); // Reset
+	EnableCommands();
+	ResetMouseState();
+	LOG(log_command, 1,
+	    ( "COMMAND RESET %s\n", commandList[curCommand].helpKey ))
+	(void) commandList[curCommand].cmdProc( C_START, zero);
+}
+
+static BOOL_T CheckClick(wAction_t *action, coOrd *pos, BOOL_T checkLeft,
+                         BOOL_T checkRight)
+{
+	static long time0;
+	static coOrd pos0;
+	long time1;
+	long timeDelta;
+	DIST_T distDelta;
+
+	switch (*action) {
+	case C_LDOUBLE:
+		if (!checkLeft) {
+			return TRUE;
+		}
+		time0 = 0;
+		break;
+	case C_DOWN:
+		if (!checkLeft) {
+			return TRUE;
+		}
+		time0 = wGetTimer() - adjTimer;
+		pos0 = *pos;
+		return FALSE;
+	case C_MOVE:
+		if (!checkLeft) {
+			return TRUE;
+		}
+		if (time0 != 0) {
+			time1 = wGetTimer() - adjTimer;
+			timeDelta = time1 - time0;
+			distDelta = FindDistance(*pos, pos0);
+			if (timeDelta > dragTimeout || distDelta > dragDistance) {
+				time0 = 0;
+				*pos = pos0;
+				*action = C_DOWN;
+			} else {
+				return FALSE;
+			}
+		}
+		break;
+	case C_UP:
+		if (!checkLeft) {
+			return TRUE;
+		}
+		if (time0 != 0) {
+			time1 = wGetTimer() - adjTimer;
+			timeDelta = time1 - time0;
+			distDelta = FindDistance(*pos, pos0);
+			time0 = 0;
+			*action = C_LCLICK;
+		}
+		break;
+	case C_RDOWN:
+		if (!checkRight) {
+			return TRUE;
+		}
+		time0 = wGetTimer() - adjTimer;
+		pos0 = *pos;
+		return FALSE;
+	case C_RMOVE:
+		if (!checkRight) {
+			return TRUE;
+		}
+		if (time0 != 0) {
+			time1 = wGetTimer() - adjTimer;
+			timeDelta = time1 - time0;
+			distDelta = FindDistance(*pos, pos0);
+			if (timeDelta > dragTimeout || distDelta > dragDistance) {
+				time0 = 0;
+				*pos = pos0;
+				*action = C_RDOWN;
+			} else {
+				return FALSE;
+			}
+		}
+		break;
+	case C_RUP:
+		if (!checkRight) {
+			return TRUE;
+		}
+		if (time0 != 0) {
+			time0 = 0;
+			*action = C_RCLICK;
+		}
+		break;
+	}
+	return TRUE;
+}
+
+EXPORT wBool_t DoCurCommand(wAction_t action, coOrd pos)
+{
+	wAction_t rc;
+	int mode;
+	wBool_t bExit = FALSE;
+
+	if (action == wActionMove) {
+		if ((commandList[curCommand].options & IC_WANT_MOVE) == 0) {
+			bExit = TRUE;
+		}
+	} else if ((action&0xFF) == wActionModKey) {
+		if ((commandList[curCommand].options & IC_WANT_MODKEYS) == 0) {
+			bExit = TRUE;
+		}
+	} else if (!CheckClick(&action, &pos,
+	                       (int) (commandList[curCommand].options & IC_LCLICK), TRUE)) {
+		bExit = TRUE;
+	} else if (action == C_RCLICK
+	           && (commandList[curCommand].options & IC_RCLICK) == 0) {
+		if (!inPlayback) {
+			mode = MyGetKeyState();
+			if ((mode & (~WKEY_SHIFT)) != 0) {
+				wBeep();
+				bExit = TRUE;
+			} else if (((mode & WKEY_SHIFT) == 0) == (rightClickMode == 0)) {
+				if (selectedTrackCount > 0) {
+					if (commandList[curCommand].options & IC_CMDMENU) {
+					}
+					wMenuPopupShow(popup2M);
+				} else {
+					wMenuPopupShow(popup1M);
+				}
+				bExit = TRUE;
+			} else if ((commandList[curCommand].options & IC_CMDMENU)) {
+				cmdMenuPos = pos;
+				action = C_CMDMENU;
+			} else {
+				wBeep();
+				bExit = TRUE;
+			}
+		} else {
+			bExit = TRUE;
+		}
+	}
+	if ( bExit ) {
+		TempRedraw(); // DoCurCommand: precommand
+		return C_CONTINUE;
+	}
+
+	LOG(log_command, 2,
+	    ( "COMMAND MOUSE %s %d @ %0.3f %0.3f\n", commandList[curCommand].helpKey,
+	      (int)action, pos.x, pos.y ))
+	rc = commandList[curCommand].cmdProc(action, pos);
+	LOG(log_command, 4, ( "    COMMAND returns %d\n", rc ))
+	switch ( action & 0xFF ) {
+	case wActionMove:
+	case wActionModKey:
+	case C_DOWN:
+	case C_MOVE:
+	case C_UP:
+	case C_RDOWN:
+	case C_RMOVE:
+	case C_RUP:
+	case C_LCLICK:
+	case C_RCLICK:
+	case C_TEXT:
+	case C_OK:
+		if (rc== C_TERMINATE) { MainRedraw(); }
+		else { TempRedraw(); } // DoCurCommand: postcommand
+		break;
+	default:
+		break;
+	}
+	if ((rc == C_TERMINATE || rc == C_INFO)
+	    && (commandList[curCommand].options & IC_STICKY)
+	    && (commandList[curCommand].stickyMask & stickySet)) {
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
+		UpdateAllElevations();
+		if (commandList[curCommand].options & IC_NORESTART) {
+			return C_CONTINUE;
+		}
+		//Make sure we checkpoint even sticky commands
+		TryCheckPoint();
+		LOG(log_command, 1,
+		    ( "COMMAND START %s\n", commandList[curCommand].helpKey ))
+		wSetCursor(mainD.d,defaultCursor);
+		rc = commandList[curCommand].cmdProc( C_START, pos);
+		LOG(log_command, 4, ( "    COMMAND returns %d\n", rc ))
+		switch (rc) {
+		case C_CONTINUE:
+			break;
+		case C_ERROR:
+			Reset();
+#ifdef VERBOSE
+			lprintf( "Start returns Error");
+#endif
+			break;
+		case C_TERMINATE:
+			InfoMessage("");
+		case C_INFO:
+			Reset();
+			break;
+		}
+	}
+	return rc;
+}
+
+/*
+ * \parm reset says if the user used Esc rather than undo/redo
+ */
+EXPORT int ConfirmReset(BOOL_T retry)
+{
+	wAction_t rc;
+	if (curCommand != describeCmdInx) {
+		LOG(log_command, 3,
+		    ( "COMMAND CONFIRM %s\n", commandList[curCommand].helpKey ))
+		rc = commandList[curCommand].cmdProc( C_CONFIRM, zero);
+		LOG(log_command, 4, ( "    COMMAND returns %d\n", rc ))
+		if (rc == C_ERROR) {
+			if (retry)
+				rc =
+				        wNotice3(
+				                _(
+				                        "Cancelling the current command will undo the changes\n"
+				                        "you are currently making. Do you want to do the update instead?"),
+				                _("Yes"), _("No"), _("Cancel"));
+			else
+				rc =
+				        wNoticeEx( NT_WARNING,
+				                   _(
+				                           "Cancelling the current command will undo the changes\n"
+				                           "you are currently making. Do you want to do the update instead?"),
+				                   _("Yes"), _("No"));
+			if (rc == 1) {
+				LOG(log_command, 3,
+				    ( "COMMAND OK %s\n", commandList[curCommand].helpKey ))
+				commandList[curCommand].cmdProc( C_OK, zero);
+				return C_OK;
+			} else if (rc == -1) {
+				return C_CANCEL;
+			}
+		} else if (rc == C_TERMINATE) {
+			return C_TERMINATE;
+		}
+	}
+	if (retry) {
+		/* because user pressed esc */
+		SetAllTrackSelect( FALSE);
+	}
+	Reset();
+	LOG(log_command, 1,
+	    ( "COMMAND RESET %s\n", commandList[curCommand].helpKey ))
+	commandList[curCommand].cmdProc( C_START, zero);
+	return C_CONTINUE;
+}
+
+EXPORT void DoCommandB(void * data)
+{
+	wIndex_t inx = (wIndex_t)VP2L(data);
+	STATUS_T rc;
+	static coOrd pos = { 0, 0 };
+	static int inDoCommandB = FALSE;
+	wIndex_t buttInx;
+
+	if (inDoCommandB) {
+		return;
+	}
+	inDoCommandB = TRUE;
+
+	if (inx < 0 || inx >= commandCnt) {
+		CHECK(FALSE);
+		inDoCommandB = FALSE;
+		return;
+	}
+
+	if ((!inPlayback) && (!commandList[inx].enabled)) {
+		ErrorMessage(MSG_COMMAND_DISABLED);
+		inx = describeCmdInx;
+	}
+
+	InfoMessage("");
+	if (curCommand != selectCmdInx) {
+		LOG(log_command, 3,
+		    ( "COMMAND FINISH %s\n", commandList[curCommand].helpKey ))
+		rc = commandList[curCommand].cmdProc( C_FINISH, zero);
+		LOG(log_command, 3,
+		    ( "COMMAND CONFIRM %s\n", commandList[curCommand].helpKey ))
+		rc = commandList[curCommand].cmdProc( C_CONFIRM, zero);
+		LOG(log_command, 4, ( "    COMMAND returns %d\n", rc ))
+		if (rc == C_ERROR) {
+			rc = wNotice3(
+			             _("Cancelling the current command will undo the changes\n"
+			               "you are currently making. Do you want to update?"),
+			             _("Yes"), _("No"), _("Cancel"));
+			if (rc == 1) {
+				commandList[curCommand].cmdProc( C_OK, zero);
+			} else if (rc == -1) {
+				inDoCommandB = FALSE;
+				return;
+			}
+		}
+		LOG(log_command, 3,
+		    ( "COMMAND CANCEL %s\n", commandList[curCommand].helpKey ))
+		commandList[curCommand].cmdProc( C_CANCEL, pos);
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
+	} else {
+		LOG(log_command, 3,
+		    ( "COMMAND FINISH %s\n", commandList[curCommand].helpKey ))
+		rc = commandList[curCommand].cmdProc( C_FINISH, zero);
+	}
+	if (commandList[curCommand].buttInx >= 0)
+		wButtonSetBusy(
+		        (wButton_p) buttonList[commandList[curCommand].buttInx].control,
+		        FALSE);
+
+	if (recordF) {
+		fprintf(recordF, "COMMAND %s\n", commandList[inx].helpKey + 3);
+		fflush(recordF);
+	}
+
+	curCommand = inx;
+	commandContext = commandList[curCommand].context;
+	if ((buttInx = commandList[curCommand].buttInx) >= 0) {
+		if (buttonList[buttInx].cmdInx != curCommand) {
+			wButtonSetLabel((wButton_p) buttonList[buttInx].control,
+			                (char*) commandList[curCommand].icon);
+			wControlSetHelp(buttonList[buttInx].control,
+			                GetBalloonHelpStr(commandList[curCommand].helpKey));
+			wControlSetContext(buttonList[buttInx].control,
+			                   I2VP(curCommand));
+			buttonList[buttInx].cmdInx = curCommand;
+		}
+		wButtonSetBusy(
+		        (wButton_p) buttonList[commandList[curCommand].buttInx].control,
+		        TRUE);
+	}
+	LOG(log_command, 1,
+	    ( "COMMAND START %s\n", commandList[curCommand].helpKey ))
+	wSetCursor(mainD.d,defaultCursor);
+	rc = commandList[curCommand].cmdProc( C_START, pos);
+	LOG(log_command, 4, ( "    COMMAND returns %d\n", rc ))
+	TempRedraw(); // DoCommandB
+	switch (rc) {
+	case C_CONTINUE:
+		break;
+	case C_ERROR:
+		Reset();
+#ifdef VERBOSE
+		lprintf( "Start returns Error");
+#endif
+		break;
+	case C_TERMINATE:
+	case C_INFO:
+		if (rc == C_TERMINATE) {
+			InfoMessage("");
+		}
+		Reset();
+		break;
+	}
+	inDoCommandB = FALSE;
+}
+
+static void LayoutSetPos(wIndex_t inx)
+{
+	wWinPix_t w, h, offset;
+	static wWinPix_t toolbarRowHeight = 0;
+	static wWinPix_t width;
+	static int lastGroup;
+	static wWinPix_t gap;
+	static int layerButtCnt;
+	static int layerButtNumber;
+	int currGroup;
+
+	if (inx == 0) {
+		lastGroup = 0;
+		wWinGetSize(mainW, &width, &h);
+		gap = 5;
+		toolbarWidth = width - 20 + 5;
+		layerButtCnt = 0;
+		layerButtNumber = 0;
+		toolbarHeight = 0;
+	}
+
+	if (buttonList[inx].control) {
+		if (toolbarRowHeight <= 0) {
+			toolbarRowHeight = wControlGetHeight(buttonList[inx].control);
+		}
+
+		currGroup = buttonList[inx].group & ~BG_BIGGAP;
+		if (currGroup != lastGroup && (buttonList[inx].group & BG_BIGGAP)) {
+			gap = 15;
+		}
+		if ((toolbarSet & (1 << currGroup))
+		    && (programMode != MODE_TRAIN
+		        || (buttonList[inx].options
+		            & (IC_MODETRAIN_TOO | IC_MODETRAIN_ONLY)))
+		    && (programMode == MODE_TRAIN
+		        || (buttonList[inx].options & IC_MODETRAIN_ONLY) == 0)
+		    && ((buttonList[inx].group & ~BG_BIGGAP) != BG_LAYER
+		        || layerButtCnt < layerCount)) {
+			if (currGroup != lastGroup) {
+				toolbarWidth += gap;
+				lastGroup = currGroup;
+				gap = 5;
+			}
+			w = wControlGetWidth(buttonList[inx].control);
+			h = wControlGetHeight(buttonList[inx].control);
+			if (h<toolbarRowHeight) {
+				offset = (h-toolbarRowHeight)/2;
+				h = toolbarRowHeight;  //Uniform
+			} else { offset = 0; }
+			if (inx < buttonCnt - 1 && (buttonList[inx + 1].options & IC_ABUT)) {
+				w += wControlGetWidth(buttonList[inx + 1].control);
+			}
+			if (toolbarWidth + w > width - 20) {
+				toolbarWidth = 0;
+				toolbarHeight += h + 5;
+			}
+			if ((currGroup == BG_LAYER) && layerButtNumber>1
+			    && GetLayerHidden(layerButtNumber-2) ) {
+				wControlShow(buttonList[inx].control, FALSE);
+				layerButtNumber++;
+			} else {
+				if (currGroup == BG_LAYER ) {
+					if (layerButtNumber>1) { layerButtCnt++; } // Ignore List and Background
+					layerButtNumber++;
+				}
+				wControlSetPos(buttonList[inx].control, toolbarWidth,
+				               toolbarHeight - (h + 5 +offset));
+				buttonList[inx].x = toolbarWidth;
+				buttonList[inx].y = toolbarHeight - (h + 5 + offset);
+				toolbarWidth += wControlGetWidth(buttonList[inx].control);
+				wControlShow(buttonList[inx].control, TRUE);
+			}
+		} else {
+			wControlShow(buttonList[inx].control, FALSE);
+		}
+	}
+}
+
+EXPORT void LayoutToolBar( void * data )
+{
+	int inx;
+
+	for (inx = 0; inx < buttonCnt; inx++) {
+		LayoutSetPos(inx);
+	}
+	if (toolbarSet&(1<<BG_HOTBAR)) {
+		LayoutHotBar(data);
+	} else {
+		HideHotBar();
+	}
+}
+
+static void ToolbarChange(long changes)
+{
+	if ((changes & CHANGE_TOOLBAR)) {
+		/*if ( !(changes&CHANGE_MAIN) )*/
+		MainProc( mainW, wResize_e, NULL, NULL );
+		/*else
+		 LayoutToolBar();*/
+	}
+}
+
+/***************************************************************************
+ *
+ *
+ *
+ */
+
+EXPORT BOOL_T CommandEnabled(wIndex_t cmdInx)
+{
+	return commandList[cmdInx].enabled;
+}
+
+
+EXPORT wIndex_t AddCommand(procCommand_t cmdProc, const char * helpKey,
+                           const char * nameStr, wIcon_p icon, int reqLevel, long options, long acclKey,
+                           wIndex_t buttInx, long stickyMask, wMenuPush_p cmdMenus[NUM_CMDMENUS],
+                           void * context)
+{
+	CHECK( commandCnt < COMMAND_MAX - 1 );
+	commandList[commandCnt].labelStr = MyStrdup(nameStr);
+	commandList[commandCnt].helpKey = MyStrdup(helpKey);
+	commandList[commandCnt].cmdProc = cmdProc;
+	commandList[commandCnt].icon = icon;
+	commandList[commandCnt].reqLevel = reqLevel;
+	commandList[commandCnt].enabled = TRUE;
+	commandList[commandCnt].options = options;
+	commandList[commandCnt].acclKey = acclKey;
+	commandList[commandCnt].context = context;
+	commandList[commandCnt].buttInx = buttInx;
+	commandList[commandCnt].stickyMask = stickyMask;
+	commandList[commandCnt].menu[0] = cmdMenus[0];
+	commandList[commandCnt].menu[1] = cmdMenus[1];
+	commandList[commandCnt].menu[2] = cmdMenus[2];
+	commandList[commandCnt].menu[3] = cmdMenus[3];
+	if ( buttInx >= 0 && buttonList[buttInx].cmdInx == -1 ) {
+		// set button back-link
+		buttonList[buttInx].cmdInx = commandCnt;
+	}
+	commandCnt++;
+	return commandCnt - 1;
+}
+
+EXPORT void AddToolbarControl(wControl_p control, long options)
+{
+	CHECK( buttonCnt < COMMAND_MAX - 1 );
+	buttonList[buttonCnt].enabled = TRUE;
+	buttonList[buttonCnt].options = options;
+	buttonList[buttonCnt].group = cmdGroup;
+	buttonList[buttonCnt].x = 0;
+	buttonList[buttonCnt].y = 0;
+	buttonList[buttonCnt].control = control;
+	buttonList[buttonCnt].cmdInx = -1;
+	LayoutSetPos(buttonCnt);
+	buttonCnt++;
+}
+
+
+/*--------------------------------------------------------------------*/
+
+EXPORT void PlaybackButtonMouse(wIndex_t buttInx)
+{
+	wWinPix_t cmdX, cmdY;
+	coOrd pos;
+
+	if (buttInx < 0 || buttInx >= buttonCnt) {
+		return;
+	}
+	if (buttonList[buttInx].control == NULL) {
+		return;
+	}
+	cmdX = buttonList[buttInx].x + 17;
+	cmdY = toolbarHeight - (buttonList[buttInx].y + 17)
+	       + (wWinPix_t) (mainD.size.y / mainD.scale * mainD.dpi) + 30;
+
+	mainD.Pix2CoOrd( &mainD, cmdX, cmdY, &pos );
+	MovePlaybackCursor(&mainD, pos, TRUE, buttonList[buttInx].control);
+	if (playbackTimer == 0) {
+		wButtonSetBusy((wButton_p) buttonList[buttInx].control, TRUE);
+		wFlush();
+		wPause(500);
+		wButtonSetBusy((wButton_p) buttonList[buttInx].control, FALSE);
+		wFlush();
+	}
+}
+
+
+EXPORT void PlaybackCommand(const char * line, wIndex_t lineNum)
+{
+	size_t inx;
+	wIndex_t buttInx;
+	size_t len1, len2;
+	len1 = strlen(line + 8);
+	for (inx = 0; inx < commandCnt; inx++) {
+		len2 = strlen(commandList[inx].helpKey + 3);
+		if (len1 == len2
+		    && strncmp(line + 8, commandList[inx].helpKey + 3, len2) == 0) {
+			break;
+		}
+	}
+	if (inx >= commandCnt) {
+		fprintf(stderr, "Unknown playback COMMAND command %d : %s\n", lineNum,
+		        line);
+	} else {
+		wWinPix_t cmdX, cmdY;
+		coOrd pos;
+		if ((buttInx = commandList[inx].buttInx) >= 0) {
+			cmdX = buttonList[buttInx].x + 17;
+			cmdY = toolbarHeight - (buttonList[buttInx].y + 17)
+			       + (wWinPix_t) (mainD.size.y / mainD.scale * mainD.dpi) + 30;
+			mainD.Pix2CoOrd( &mainD, cmdX, cmdY, &pos );
+			MovePlaybackCursor(&mainD, pos,TRUE,buttonList[buttInx].control);
+		}
+		if (strcmp(line + 8, "Undo") == 0) {
+			if (buttInx > 0 && playbackTimer == 0) {
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, TRUE);
+				wFlush();
+				wPause(500);
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, FALSE);
+				wFlush();
+			}
+			UndoUndo(NULL);
+		} else if (strcmp(line + 8, "Redo") == 0) {
+			if (buttInx >= 0 && playbackTimer == 0) {
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, TRUE);
+				wFlush();
+				wPause(500);
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, FALSE);
+				wFlush();
+			}
+			UndoRedo(NULL);
+		} else {
+			if (buttInx >= 0 && playbackTimer == 0) {
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, TRUE);
+				wFlush();
+				wPause(500);
+				wButtonSetBusy((wButton_p) buttonList[buttInx].control, FALSE);
+				wFlush();
+			}
+			DoCommandB(I2VP(inx));
+		}
+	}
+}
+
+/*--------------------------------------------------------------------*/
+
+
+EXPORT BOOL_T IsCurCommandSticky(void)
+{
+	if ((commandList[curCommand].options & IC_STICKY) != 0
+	    && (commandList[curCommand].stickyMask & stickySet) != 0) {
+		return TRUE;
+	}
+	return FALSE;
+}
+
+EXPORT void ResetIfNotSticky(void)
+{
+	if ((commandList[curCommand].options & IC_STICKY) == 0
+	    || (commandList[curCommand].stickyMask & stickySet) == 0) {
+		Reset();
+	}
+}
+
+
+/*--------------------------------------------------------------------*/
+EXPORT void CommandInit( void )
+{
+	curCommand = describeCmdInx;
+	commandContext = commandList[curCommand].context;
+	log_command = LogFindIndex( "command" );
+	RegisterChangeNotification(ToolbarChange);
+}
+