I am trying to use BFColorPickerPopover custom colorwell class. I have an issue with closing Popover. After selecting color Popover window is not disappearing, how can I make it disappear after selecting color?
Thanks
It behaves as any system popover. You just have to click outside of it to make it close, or press the Escape key.
Related
Is there a way, after selection of a color, to programmatically hide the color picker of the TComboColorBox? I've searched on the web and Embarcadero community but couldn't find a way to do this.
The answer is no, there is no designed way to hide (collapse) the popup programmatically. And you did not explain why you think it would be necessary to have.
Keep in mind that there are 4 subcontrols, that the user may want to use:
a THueTrackBar,
an alpha channel trackbar,
a color quad, and
a hex color value edit box.
An automatic collapse of the popup would be just annoying.
The user can at any time decide to close the popup simply by clicking on the constantly visible bar.
With reference to your comment:
After your answer, I realized that I must implement a color picker component that shows a rect containing a TComboColorBox and a TButton as childs. Clicking the child button, in turn, hides the container rect itself.
I have told you twice that the user can close the popup part of the TComboColorBox simply by clicking on the component (the base part of it).
In fact, the user can click anywhere outside of the popup window in order to close the popup window. The popup is closed immediately when the focus moves away from it.
In my opinion there's no need for a special "Close" button.
I have an app with a popover that appears on a status bar item. The thing is, when you click on the icon while you're in a full screen app, then move the mouse away from the menu bar to click on something in the popup, the menu bar moves up, and so does the popup. It's annoying.
Anyone know of any way to solve this? I've tried attaching an invisible menu to the popup, but I can't get the menu to be invisible.
Screenshot for clarity, the annoying part is where I wave my mouse around:
The popover window is moving because its parent window is the status item window, and when the parent window moves, the child moves with it. (Before I investigated this, I didn't even know Cocoa had parent and child windows.) I solved the problem with this code immediately after showing the popover:
NSWindow *popoverWindow = self.popup.contentViewController.view.window;
[popoverWindow.parentWindow removeChildWindow:popoverWindow];
Now, the menu bar still moves up, but at least the popup stays in the same place.
Either use Carbon events or watch for things happening to the menu bar (window of type NSStatusBarWindow):
Notifications of type
NSWindowDidChangeOcclusionStateNotification
NSWindowDidMoveNotification
NSWindowWillCloseNotification
NSWindowDidCloseNotification
with an object of class NSStatusBarWindow should give you enough information about the menu bar showing or hiding to add proper handling.
Super-hacky approach:
Custom window with some super-high window level to make it appear over the menu bar, then add a transparent custom view to the new window that catches and handles/blocks mouse clicks according to your needs.
Or:
Get the window instance the popover is using to display and track/handle NSWindowWillMoveNotification / NSWindowDidMoveNotification.
I converted #tbodt's answer to Swift 4 and confirmed that is resolves this issue:
let popoverWindow = popup.contentViewController.view.window as? NSWindow
popoverWindow?.parent?.removeChildWindow(popoverWindow!)
How can I create an action so when a button is clicked the Apple color palette window appears? I do not want to use an NSColorWell.
Thanks!
Do you mean the color panel? There's a method orderFrontColorPanel in the Application place holder in IB -- just connect that to your button.
Is there a way to hide the pop-up button of an NSComboBox? I can't find anything in the documentation for NSComboBox or NSComboBoxCell. There is a setButtonBordered: method on NSComboBox, but this just changes to an alterate button style.
If I can't hide it, can I at least disable it?
If the combo box has no items, clicking the pop-up button doesn't do anything.
Maybe you can work around the limitation by emptying the list when you want to disable the button.
It makes clicking have no effect, but it doesn't hide the button or draw it as disabled.
I don't think this is possible. An NSComboBox without the button is effectively an NSTextField, so I guess it was deemed unnecessary. You could probably do this by subclassing NSComboBoxCell and override -drawWithFrame:inView: or -drawInteriorWithFrame:inView:.
Safest way would probably be to add your own buttonHidden property and use the ObjC runtime method class_getMethodImplementation to look up the IMP for the same method in NSTextField and just call that when the button is hidden. You'd effectively be calling super's super, so you'd get a regular text field look.
you can disable it by doing:
myComboBox.Enabled = false;
How do I go about adding/removing the window border after it has been created? the window was already designed in interface builder and I would prefer to avoid writing the window purely in code as I am still a long ways before i can say i am experienced with objective-c/cocoa.
Example Program:
a single window with the border initially, a button on it. If you click the button once it makes the boarder disappear and if you click it again then the boarder reappears.
Thanks
As far as I can tell, you can't. You might be able to fake it by taking the content view out of one window and making it be the content view of another window.