I have a menu in my app, with clickable buttons using CCMenuItemImage. When you press one of the buttons, for example buy button it spawns anther image on top of everything, a confirmation screen(do you really want to buy this item). This screen is placed on z:100 just to be sure it is on top of everything.
The problem is the buttons on the menu below(buy, back, next(all CCMenuItemImage)) are still clickable. I had the idea to just use [button setIsEnabled:NO]; but this doesn't seem to work unless the CCMenuItemImage has a disabledImage set, but some of my buttons (next, previous) use the disabledImage and it looks silly to make the buttons disabled when this confirmation screens shows up.
Is there a way to just disable all the touches to the buttons below and only allow the confirm screen to take touches?
Set the enabled property of the CCMenu to NO. If that doesn't work without disabled images simply set the CCMenu visible property to NO. This also disables the menu reacting to touches.
Related
So I'm writing my first tvOS App (Objective C) and am having some fun with the "Focus Engine". My app is a 2 page app with a Tab Bar controller, on the main page I have a few UIButtons. On app startup if I hide the tab bar, the buttons look like I am wanting them to with them all deselected, when I swipe down one of the UIButtons obviously gets focus, and I can swipe between my various buttons, and after a specified amount of inactivity time I want it to go back to them all being unfocussed.
I start (and reset) a NSTimer when each UIButton gets focus and my intention is to remove the UIButton focus after say 10 seconds (there is a good reason for this, and it makes sense in my app / ui).
I've tried issuing a "UIButton resignFirstResponder" I've also tried to move focus back to the hidden TabBar, I even tried "preferredFocusEnvironments" but I cannot get the button highlight to come away. I also tried cycling though the buttons setting them all to "userInteractionEnabled = NO" then back again but the button retains focus. I have log lines showing the timer starting and it triggering my un-focus method when it expires, but no matter what I put in there I can't seem to get the focus to disappear.
Any ideas on how to drop the focus from a UIButton, I think part of the problem is I don't want to move it to somewhere else. I want to remove all button focus which I guess is an unusual thing to do.
Thanks in advance.
Plasma
I discovered a way to do it, its a bit primitive but it works and achieves the desired effect.
When the idle timer expires I create a UIButton (Custom Type) at 0,0 that is 1px high and the width of the screen. I then tell the view it needs a focus update, and to update the focus. This takes the focus from any of the main buttons and up to my 1px high button along the top of the screen.
[focusButton removeFromSuperview];
CGRect frame = CGRectMake(0,0,(self.view.frame.size.width),1);
focusButton = [UIButton buttonWithType:UIButtonTypeCustom];
focusButton.frame = frame;
focusButton.tag = 99;
[self.view addSubview:focusButton];
[self.view setNeedsFocusUpdate];
[self.view updateFocusIfNeeded];
I then use 'didUpdateFocusInContext' to know when my 1px button has been given focus and set the button to disabled.
if(context.nextFocusedView.tag == 99){
NSLog(#"Focus Button Has Focus");
focusButton.enabled = NO;
}
This leaves the focus on that button which allows someone to swipe down to get to the main buttons, or up to get to the Tab Bar, once they swipe off it the 1px button is no longer selectable because is not enabled! I had to use Custom button type because system button type showed a white line over the top of the screen and tainted my labels.
Plasma
I need to achieve effect of my button like this:
My questions are:
How can I add this custom shadow to button, so only 'BUTTON' surface reacts for touches?
When I have the next button in the bottom, close to previous one, how can I be sure that it will not be covered by upper's button shadow?
I need to have all the buttons in front and all the shadows in the back.
If you want to add the shadow without having it clickable, you need to add an imageView to as a subview to the button. (make sure clip subviews is disabled).
If you want the shadow of one button not appearing on top of the other, then you need to have the shadow(s) added separately to the main parent view. The solution in option 1 will not work. Its not neat, but its the only way i can think off.
I've seen a couple of apps that show a transparent view on top of the current ui while the keyboard is present and if clicked it hides the keyboard. I looked around the web and couldnt find a solution for this problem.
Simply add a UIButton, custom type, the size of your screen and add it to your view when your text field (or other entry) takes focus. Make sure your edit view is brought to the front of its superview at the point you add the button (to ensure the edit view still responds to touch).
Add a target to the button which dismisses the keyboard ([myTextfield resignFirstResponder]) and removes the button.
Also make sure to remove the button when the textField dismisses normally.
Image shows the buttons on my UI in vb.net
All these buttons are having background images. Now what i want is these buttons be shown as inactive when actions corresponding to them are not available so I am making them cmd.enable = false but still on UI there is no visual effect of this disabling them on these buttons. They keep looking same as in enabled mode. So how to give effect of disabled state to these buttons.
In the same way i want effect to be visible when mouse is hovered over these buttons and buttons are clicked
They don't look like buttons at all, it looks like a row of images. Use a real Button or a ToolStrip with ToolStripButtons, set their Image property. When you set their Enabled property to false then they automatically remove all color from the image, making it look disabled.
I have an NSPopUpButton providing the NSMenu for a status item with a custom view. The popup button displays a list of links. When the user selects a link from the list, the link is displayed in the user's browser (in the background).
Naturally, the menu closes every time the user selects a link.
I would like to change this: I want the menu to stay open while the user clicks on various links, all of which can be opened in the background. The menu can then go away when the user clicks elsewhere.
How can this be accomplished? Should I subclass NSMenuItem and intercept the mouse clicks somehow? Overlay a transparent NSView on the popped-up menu and, again, intercept the clicks somehow? I make these suggestions blithely, but I would have trouble implementing either of these...pointers to the right methods for override would be appreciated.
Instead of using a menu, one might use a collapsible box.I have seen that in many apps ( also provided by Apple) , so I guess this is the recommended style guide for multiple selections.
The collapsible box expands when you click the disclosure button, and it gives free all items desired - like a tableview with checkboxes.
Views below this box must move down in this case, not to interfere with the box.
Clicking again on the disclosure button will shrink the box back to its origin. The effect is similar to closing a menu.
Usually you should not bend a control too far past it's original intent. Users expect pop up buttons to close after making a selection. I don't think you should, or can, force NSPopUpButtonCell to behave in this way. If you do, you'll be subclassing and modifying the control so heavily that it might change/break with a future version of Mac OS X. You'd also have to worry about the usability problem of users thinking the menu will close after making a selection.
You might consider writing you're own subclass of NSView to work like the menu button you're describing. After the user clicks on the button. You'll want to create a new NSWindow, with no border by using NSBorderlessWindowMask as the style mask. The content view of that window should be another custom view of yours that you implement the menu selection in.