I have a xib file with only an NSPanel in it, I'm trying to show this panel as modal sheet (with beginSheet:modalForWindow:modalDelegate:didEndSelector:contextInfo:). The file's owner for this xib is a controller class "MyController" which has the IBOutlet to the NSPanel.
What I am looking for is something like:
...
MyController *controller = [[MyController alloc] init];
[NSApp beginSheet:controller.panel modalForWindow:[NSApp mainWindow] modalDelegate:controller didEndSelector:nil contextInfo:nil];
...
Question:
Must MyController inherit from NSWindowController or NSObject?. I tried NSWindowController and initWithWindowNibName: but the outlet to NSPanel always is nil.
Thanks
I resolve it. You must deactivate almost all the properties of the window object (in the IB) that you are using for the sheet. I add the following method to my controller to show the sheet:
- (void)showInWindow:(NSWindow *)mainWindow {
if (!panelSheet)
[NSBundle loadNibNamed:#"XibName" owner:self];
[NSApp beginSheet:panelSheet modalForWindow:mainWindow modalDelegate:nil didEndSelector:nil contextInfo:nil];
[NSApp runModalForWindow:panelSheet]; //This call blocks the execution until [NSApp stopModal] is called
[NSApp endSheet:panelSheet];
[panelSheet orderOut:self];
}
panelSheet is an IBOutlet to the sheet window.
Thanks Jon Hess and JWWalker for your help
Related
I am showing a sheet within my main window. I present the sheet using this code:
AddContactWindowController *addContact = [[AddContactWindowController alloc] initWithWindowNibName:#"AddContactWindow"];
addContact.currentViewController = myView;
self.addWindowController = addContact;
[self.view.window beginSheet: addContact.window completionHandler:^(NSModalResponse returnCode) {
NSLog(#"completionHandler called");
}];
AddContactWindowController is a NSWindowController subclass. It has a view controller within it. Inside the view is a "close" button which invokes this:
[[[self view] window] close];
This does close the window, but the completionHandler from beginSheet is not invoked. This causes me problems down the road.
Is there any particular way we should close the NSWindow sheet for the completion handler to be successfully called? I've also tried [[[self view] window] orderOut:self] but that doesn't work either.
Thanks.
You will want to call -endSheet:returnCode: on your window, rather than just ordering it out.
You must properly finish the modal session.
I used to call - (void)performClose:(id)sender and stop the modal session in the delegate method.
- (void)windowWillClose:(NSNotification *)notification {
[NSApp stopModal];
}
But for a sheet, endSheet looks more appropriate.
self.addWindowController = addContact;
[self.view.window beginSheet:self.addWindowController.window];
...
...
[self.view.window endSheet:self.addWindowController.window];
self.addWindowController = nil
I'm trying to open a window like a sheet so that it appears down below the toolbar. I've used the O'Reilly tutorial to do this. However, I can get past this error: Modal session requires modal window.
The window loads as a window if I have "Visible At Launch" checked.
Whether it is checked or not I get the "Modal session requires modal window" error.
I have a Window.xib, ProgressModal.xib.
In the Window implementation file I use:
-(IBAction)loadProgress:(id)sender{
[self progressStatus:progressWindow];
}
- (void)progressStatus:(NSWindow *)window {
[NSApp beginSheet: window
modalForWindow: mainWindow
modalDelegate: nil
didEndSelector: nil
contextInfo: nil];
[NSApp runModalForWindow: window];
[NSApp endSheet: window];
[window orderOut: self];
}
- (IBAction)cancelProgressScrollView:(id)sender {
[NSApp stopModal];
}
I may have the ProgressModal.xib setup wrong. I have an NSObject in it that has "Window" as its class. All the connections are made through that.
But again, it loads the window just won't load it as a modal.
Any ideas?
Put the following in the first line of your progressStatus method:
NSLog(#"%#", window);
If you see the log output is null, that's the reason why.
Steps to create a modal sheet using XIB:
Drag a panel to your MainMenu.xib
Add #property (assign) IBOutlet NSPanel *sheetPanel; in your AppDelegate.h file
#synthesize sheetPanel = _sheetPanel; in the AppDelegate.m file
Link a New Referencing Outlet of the panel in the MainMenu.xib created in the step 1 to the sheetPanel property created in step 2.
Using following code to show the modal sheet:
[NSApp beginSheet:_sheetPanel
modalForWindow:_mainWindow
modalDelegate:self
didEndSelector:#selector(didEndSheet:returnCode:contextInfo:)
contextInfo:nil];
As I stated above, I dragged an object over in the progressModal window and made my connections through that. What I should have done was made the File's owner my Window class. Changing that fixed the problem.
I got this from http://www.youtube.com/watch?v=QBkO6TD-fWA
Edit: I assumed you wanted a modal window. If you want a sheet, don't use runModalForWindow: at all.
Try this:
[NSApp beginSheet: window
modalForWindow: mainWindow
modalDelegate: nil
didEndSelector: nil
contextInfo: nil];
It's a good idea to define a callback just in case you need it though; e.g.
[NSApp beginSheet: window
modalForWindow: mainWindow
modalDelegate: self
didEndSelector: #selector(sheetDidEnd:returnCode:contextInfo:)
contextInfo: nil];
I am trying to load a borderless window from a .xib in my program. I can load a borderless window with by overriding [[[NSWindow]] initWithContentRect:styleMask:backing:defer:] as follows:
- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)aStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)flag {
self = [super initWithContentRect:contentRect styleMask:NSBorderlessWindowMask backing:bufferingType defer:flag];
if (!self) {
return nil;
}
[self setOpaque:NO];
[self setHasShadow:YES];
[self setLevel:NSFloatingWindowLevel];
[self setBackgroundColor:[NSColor clearColor]];
[self setAlphaValue:1.0];
// Ignore events
[self setIgnoresMouseEvents:YES];
return self;
}
When another method which contains [self orderFront:self]; is called, a window shows. However, I have a separate .xib file with a window created that I want to show when this method is called. I have the file's owner set as NSApplication and the window itself is of the class that contains the aforementioned code. How do I, when I call the method with [self orderFront:self];, load the window in the xib and show it instead of this class creating a window?
If I understand what you're trying to do, you can use NSWindowController to load an NSWindow from a separate nib (or xib) file. Sub-class NSWindowController, and put your controller code in there. Create that object in the xib file and set that to be the file's owner. Link the NSWindow to the NSWindowController's delegate outlet.
Then it's as easy as:
NSWindowController * windowController = [[[YourWindowClass alloc] initWithWindowNibName:#"YourWindowClass"] autorelease];
NSWindow * sheet = [windowController window];
I am trying to display a custom sheet in my application, but I think I am doing something wrong. While everything seems to be working just fine, I have a rather odd side-effect. (which took hours to figure out). It turns out that everytime I display a sheet in my application, the Application delegate gets set to the instance of the sheet, thus my Controller gets unset as the delegate causing all sorts of problems.
I've created a NIB file which I called FailureSheet.xib. I laid out my interface in IB, and then created a subclass of 'NSWindowController' called 'FailureSheet.m' which I set to the File's Owner. Here is my FailureSheet class:
#import "FailureSheet.h"
#implementation FailureSheet // extends NSWindowController
- (id)init
{
if (self = [super initWithWindowNibName:#"FailureSheet" owner:self])
{
}
return self;
}
- (void)dealloc
{
[super dealloc];
}
- (IBAction)closeSheetTryAgain:(id)sender
{
[NSApp endSheet:[self window] returnCode:1];
[[self window] orderOut:nil];
}
- (IBAction)closeSheetCancel:(id)sender
{
[NSApp endSheet:[self window] returnCode:0];
[[self window] orderOut:nil];
}
- (IBAction)closeSheetCancelAll:(id)sender
{
[NSApp endSheet:[self window] returnCode:-1];
[[self window] orderOut:nil];
}
#end
Nothing complex going on here. Now this is how I display the FailureSheet in my 'Controller' class:
sheet = [[FailureSheet alloc] init];
[NSApp beginSheet:[sheet window]
modalForWindow:window
modalDelegate:self
didEndSelector:#selector(failureSheetDidEnd:etc:etc:)
contextInfo:nil];
Now if I log what the [NSApp delegate] is before displaying my sheet, it is <Controller-0x012345> which is correct. Then, after running this code and my sheet is up, if I log it again it is <FailureSheet-0xABCDEF>.
Not sure what I'm doing wrong here - Any ideas?
This is one of those "I'm-an-idiot" answers.
Turns out I at some point I accidentally made a connection in my sheet's NIB file between the Application and the File's Owner (FailureSheet) setting it as the delegate. So, everytime it got loaded it overwrote the existing delegate connection I had in my MainMenu NIB file.
I am trying to open one window from another using makeKeyAndOrderFront. The new window appears, but does not receive focus.
The code for the main window is:
#import "SecondWindowController.h"
#implementation FirstWindowController
-(IBAction)showSecondWindow:(id)sender
{
if (!secondWindowController)
secondWindowController = [[SecondWindowController alloc] init];
[[secondWindowController window] makeKeyAndOrderFront:self];
}
SecondWindowController is a NSWindowController, as follows:
#implementation SecondWindowController
-(id)init
{
if (![super initWithWindowNibName:#"SecondWindow"])
return nil;
return self;
}
I've also tried putting [secondWindowController showWindow:self] before the makeKeyAndOrderFront but it doesn't make a difference.
Did you make sure the window outlet for SecondWindowController is hooked up to the window in your NIB? The window could be displayed just by loading the NIB, even if the outlet is not hooked up.
Are you using a borderless window? If so you need to override canBecomeKeyWindow and return YES
Try this:
if (!secondWindowController)
secondWindowController = [[SecondWindowController alloc] init];
NSApplication *thisApp = [NSApplication sharedApplication];
[thisApp activateIgnoringOtherApps:YES];
[[secondWindowController window] makeKeyAndOrderFront:self];