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// dispatch.m--The purpose is to keep track of the currently active plot
// view and to route messages from the PGPLOT program there. To do this,
// dispatchobj needs to be the target for the Menu items that create
// windows. It also needs to be the window delegate. And finally it
// needs to receive messages from the Port object (i.e., from the
// socket interface to the PGPLOT program).
// If PGPLOT is drawing to a window then dispatchobj doe not allow
// the user to delete the window.
//
// 1999-Feb-20 - Update for OpenStep - [AFT]
// 1992-Mar-9 - [AFT]
//---
#import "dispatchobj.h"
#import "ipanelobj.h"
@implementation dispatchobj
//
//--- Class methods -----------------------------------------------------
//
- init
{
NSPoint spot;
[super init];
// Scale print jobs to print on one page.
[[NSPrintInfo sharedPrintInfo] setHorizontalPagination:NSFitPagination];
[[NSPrintInfo sharedPrintInfo] setVerticalPagination:NSFitPagination];
// Prepare the cross cursor
spot.x = 7.0; spot.y = 7.0;
crossCursor = [[NSCursor alloc]
initWithImage:[NSImage imageNamed:@"cross.tiff"]
hotSpot:spot];
// 0=Landscape, 1=portrait
iwtype=0;
curView=NULL;
qdrawing=NO;
return self;
}
//
//--- Window delegate ---------------------------------------------------
//
- (void)windowDidBecomeMain:(NSNotification *)notification
// If PGPLOT is actively drawing, then we try to prevent the key window
// from changing. This is done so that the key window (i.e., the one
// with the back title bar) will denote the currently active plot window.
{
NSWindow *theWindow = [notification object];
if( qdrawing ) {
// If we are drawing, then force the curView view to be the key window.
if( [theWindow contentView] != curView) {
[[curView window] makeKeyWindow];
}
} else {
curView=[theWindow contentView];
[curView gettype: &iwtype];
if(iwtype==0) {
[[NSPrintInfo sharedPrintInfo] setOrientation:NSLandscapeOrientation];
} else {
[[NSPrintInfo sharedPrintInfo] setOrientation:NSPortraitOrientation];
}
}
return;
}
- (BOOL)windowShouldClose:(id)sender
// Prevent window manager from closing a window in which PGPLOT is
// still drawing.
{
if( !qdrawing || curView != [sender contentView] ) {
if ( !qdrawing ) curView=NULL;
return YES;
}
return NO;
}
//
//--- Targets for menu items --------------------------------------------
//
- (void)newLand
{
static NSRect wRect = {{330.0, 230.0},{720.0,535.0}};
pgviewobj *newView;
newView = [[pgviewobj alloc] initWithFrame:wRect];
[[newView window] setDelegate:self];
if( !qdrawing ) {
curView=newView;
iwtype=0;
[[NSPrintInfo sharedPrintInfo] setOrientation:NSLandscapeOrientation];
}
return;
}
- (void)newPort
{
static NSRect wRect = {{500.0, 70.0},{535.0,720.0}};
pgviewobj *newView;
newView = [[pgviewobj alloc] initWithFrame:wRect];
[[newView window] setDelegate:self];
if( !qdrawing ) {
curView=newView;
iwtype=1;
[[NSPrintInfo sharedPrintInfo] setOrientation:NSPortraitOrientation];
}
return;
}
- (void)pgprint
{
[curView print:self];
return;
}
- (void)showInfo
{
[[[ipanelobj alloc] init] showit];
return;
}
- (void)deactive
{
[NSApp hide:self];
[NSApp unhideWithoutActivation];
return;
}
//
//--- methods called by the Port object ---------------------------------
//
- (void)beginp
{
qdrawing=YES;
[curView beginp];
return;
}
- (void)cursorat: (float *) xpos and: (float *) ypos char: (int *) ichar
{
NSPoint aPoint;
aPoint.x= *xpos;
aPoint.y= *ypos;
[curView readcursor: &aPoint char: ichar cursor:crossCursor];
*xpos= aPoint.x;
*ypos= aPoint.y;
return;
}
- (void)flushpg
{
[curView flushpg];
return;
}
- (void)getwind: (int *) ixdim by: (int *) iydim
color: (int *) icol scale: (int *) imag
{
if(curView == NULL) {
if(iwtype==0) {
[self newLand];
} else {
[self newPort];
}
}
[curView getwind:ixdim by:iydim color:icol scale:imag];
return;
}
- (void)pscode: (char *) cbuf
{
[curView pscode:cbuf];
return;
}
- (void)endp
{
qdrawing=NO;
[curView endp];
return;
}
@end
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