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- /**********************************************************************\
-
- File: chef progress.c
-
- Purpose: This module handles configuring & displaying a progress
- bar, as well as dealing with other people (events) while
- the conversion is in progres.
-
-
- Chef -=- convert text to Swedish chef talk
- Copyright ©1994, Mark Pilgrim
-
- 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 in a file named "GNU General Public License".
- If not, write to the Free Software Foundation, 675 Mass Ave,
- Cambridge, MA 02139, USA.
-
- \**********************************************************************/
-
- #include "Power.h"
- #include "program globals.h"
- #include "chef progress.h"
- #include "msg dialogs.h"
- #include "msg environment.h"
- #include "msg menus.h"
- #include "msg main.h"
-
- enum
- {
- progressDialogID = 210,
- progressText = 1,
- progressBar = 2
- };
-
- DialogPtr gProgressDlog;
-
- static Rect box;
- static unsigned long curProgress;
- static unsigned long maxProgress;
-
- static pascal void DrawProgressBar(WindowPtr theWindow, int item);
-
- static pascal void DrawProgressBar(WindowPtr theWindow, int item)
- {
- Rect tempBox;
- unsigned long length;
- unsigned long width;
- long double temp;
-
- SetPort(theWindow);
-
- FrameRect(&box);
-
- length = box.right - box.left;
-
- width = length * curProgress;
- if((width / length) != curProgress) {
- temp = ((long double)curProgress) / ((long double)maxProgress);
- width = temp * length;
- } else {
- width /= maxProgress;
- }
-
- tempBox = box;
- InsetRect(&tempBox, 1, 1);
- tempBox.left += width;
- FillRect(&tempBox, ltGray);
-
- tempBox = box;
- InsetRect(&tempBox, 1, 1);
- tempBox.right = tempBox.left + width - 1;
- ForeColor(cyanColor);
- PaintRect(&tempBox);
- ForeColor(blackColor);
- }
-
- DialogPtr OpenProgressDialog(unsigned long max, Str255 theTitle)
- {
- int itemType;
- Handle itemH;
- Rect otherBox;
-
- PositionDialog('DLOG', progressDialogID);
- gProgressDlog = GetNewDialog(progressDialogID, 0L, (WindowPtr)-1L);
- if(gProgressDlog == 0L)
- return 0L;
-
- GetDItem(gProgressDlog, progressBar, &itemType, &itemH, &box);
- SetDItem(gProgressDlog, progressBar, userItem + itemDisable, DrawProgressBar, &box);
-
- curProgress = 0;
- maxProgress = max;
-
- SetWTitle((WindowPtr)gProgressDlog, theTitle);
-
- ShowWindow(gProgressDlog);
- DrawDialog(gProgressDlog);
-
- UpdateProgressDialog(0);
-
- gInProgress=TRUE;
- AdjustMenus();
- DrawMenuBar();
-
- return gProgressDlog;
- }
-
- void SetProgressText(Str255 p1, Str255 p2, Str255 p3, Str255 p4)
- {
- Str255 totalStr;
- unsigned char i;
- int itemType;
- Handle itemH;
- Rect otherBox;
-
- totalStr[0]=0x00;
- for (i=1; i<=p1[0]; i++)
- totalStr[++totalStr[0]]=p1[i];
- for (i=1; i<=p2[0]; i++)
- totalStr[++totalStr[0]]=p2[i];
- for (i=1; i<=p3[0]; i++)
- totalStr[++totalStr[0]]=p3[i];
- for (i=1; i<=p4[0]; i++)
- totalStr[++totalStr[0]]=p4[i];
- GetDItem(gProgressDlog, 1, &itemType, &itemH, &otherBox);
- SetIText((ControlHandle)itemH, totalStr);
- }
-
- void UpdateProgressDialog(unsigned long cur)
- {
- curProgress = cur;
- if(curProgress >= maxProgress)
- curProgress = maxProgress-1;
-
- SetPort(gProgressDlog);
-
- DrawProgressBar(gProgressDlog, progressBar);
-
- if (gHasPowerManager)
- IdleUpdate();
- }
-
- void DismissProgressDialog(void)
- {
- if (gProgressDlog!=0L)
- DisposDialog(gProgressDlog);
- gProgressDlog=0L;
- gInProgress=FALSE;
- AdjustMenus();
- DrawMenuBar();
- }
-
- #define TheCancelKey '.'
-
- Boolean DealWithOtherPeople(void)
- {
- /* this is just a small useful function to see if the user has cancelled */
- /* a lengthy operation with command-period; could come in handy, I suppose, */
- /* in a somewhat bizarre set of circumstances... */
- /* Note that this procedure will break under AUX */
- /* Note also that this returns TRUE if there has been no attempt to cancel */
-
- Boolean foundEvent;
- EvQElPtr eventQPtr;
- QHdrPtr eventQHdr;
- char thisChar;
- long isCmdKey;
- EventRecord event;
- Boolean notDoneYet;
-
- SetCursor(&arrow);
- HiliteMenu(0);
-
- foundEvent=FALSE;
- eventQHdr=GetEvQHdr();
- eventQPtr=(EvQElPtr)(eventQHdr->qHead);
- while ((eventQPtr!=0L) && (!foundEvent))
- {
- if (eventQPtr->evtQWhat==keyDown)
- {
- thisChar=(char)((eventQPtr->evtQMessage)&charCodeMask);
- isCmdKey=(eventQPtr->evtQModifiers)&cmdKey;
- if (isCmdKey!=0L)
- foundEvent=(thisChar==TheCancelKey);
- }
- if (!foundEvent)
- eventQPtr=(EvQElPtr)(eventQPtr->qLink);
- }
-
- notDoneYet=TRUE;
- do
- {
- if (WaitNextEvent(everyEvent, &event, gIsInBackground ? 100 : 0, 0L))
- DispatchEvents(event);
- else
- notDoneYet=FALSE;
- if (event.what==nullEvent)
- notDoneYet=FALSE;
- }
- while (notDoneYet);
-
- return !foundEvent;
- }
-