I am creating a custom NSWindow with no title bar and am using NSBorderlessWindowMask to make it completely borderless. The problem I have with this however is that the window has sharp edges. As well as this there is no resize control.
How would I give a borderless window rounded corners?
This is not a duplicate of this
question as that question was more
about removing the title bar and it
currently holds no answers.
You can make the window totally transparent and handle drawing everything yourself. The sample I have is for an OpenGL view, but it should work for a Quartz view or Cocoa view as well.
Add the following to the initializer of your NSWindow subclass where you create the new window using the NSBorderlessWindowMask constant.
[self setOpaque:NO];
[self setBackgroundColor:[NSColor clearColor]];
You will probably have to draw the resize control yourself. The sample I took this from is a full screen window so resizing isn't necessary.
Good Luck.
The easiest way to get a window with rounded corners is to place a NSBox into the window as these boxes have customizable rounded corners and customizable borders. If you then set the window to non-opaque and the background color to transparent ("clear color"), you have a NSWindow with rounded corners that draws a normal window shadow (even on older systems where such a window would otherwise not have a shadow). Most of it can be done in Interface Builder. See here for details.
Only titled windows get the rounded corners. So the only thing you have to do is this:
window.styleMask = [.titled]
window.titleVisibility = .hidden
window.titlebarAppearsTransparent = true
This should be the minimal configuration for a rounded window without a title bar.
Related
I turned on layer-backing for a view which lies on the edge of the window and now this window doesn't draw shadow in that area. Is there anything I can do to prevent window from losing its shadow?
Edit:
Window has setOpaque:NO, if I set it to YES then everything is ok, but I need it to be NO.
Is there a reliable way to draw a custom shadow around window? Then I can disable default shadow and draw it myself.
I have an image (3width x 15height, the first and last pixels are rounded on the corners), and I want to create a button (the height of the button is always the same, 15px, but the width changes) that uses this image no matter what size it is, kinda like UIEdgeInsets on iOS.
I've tried to use [[button cell] setImageScaling:NSImageScaleAxesIndependently]; but the image gets distorted and loses quality.
How can I do this on OSX? Thanks!
You could probably create a custom subclass of NSButtonCell and use the Application Kit's NSDrawThreePartImage() function in the cell's drawInteriorWithFrame:inView: method.
For more info on how to use NSDrawThreePartImage(), see Cocoa Drawing Guide: Drawing Resizable Textures Using Images.
If it's possible to set this in graphical interface > Attribute Inspection > Button section Background
This question already has an answer here:
Holes in NSView or NSWindow
(1 answer)
Closed 6 years ago.
I want to have a more or less standard NSWindow with a toolbar and all that, but I want the content view to be transparent so that I can see through it. At the same time I want to keep the light gray outline of the window and also it's shadow. BUT I want to avoid the "inner" shadow I get from the toolbar inside the content view area.
What I have tried so far is just to set the window background color to a semi transparent color and also set opaque to NO. The problem is that the window border fades away with the alpha of the background itself, and the more transparency I have on the background, the more the shadow of the toolbar shows up within the content view.
Generally, the window shadow and border changes depending on the transparency of the content view, which I totally understand. But I want a behavior where it keeps the border and shadow just as if it was a completely opaque window, and then I want the content view area to be transparent.
I am not sure what I need to do conceptually to make it work. Maybe I have to draw the window border myself, maybe not. Maybe I need to draw the shadow myself, or maybe not.
Is there anyone that know how to build this? I don't need exact code details, but rather what parts I need to do custom..
I appreciate any input!
I dont't know if this is of any value for you after all this time but try:
[aWindow setOpaque:NO];
[aWindow setBackgroundColor:[NSColor clearColor]];
Subclass the NSView class, override the drawRect:(NSRect)dirtyRect method and set the color of the view as clearcolor, now set the class of your content view as the Subclass of NSView.
I have an NSWindow, and I'm using this code to add a bottom-metal-bar at the bottom.
[MyWindow setContentBorderThickness:40.0 forEdge:NSMinYEdge];
That works fine. But, once I use this:
[MyWindow setBackgroundColor: [NSColor redColor]];
The red covers the bar at the bottom. The bar shows correctly without the background color.
Yes, it would appear that changing the background-color of an NSWindow negates its bottom border. In order to achieve both effects, you can do one of two things:
In Interface Builder, move all your interface elements to a subclass of NSView that draws its background and add the view to your window.
Create an NSView that emulates the bottom border of your window and set the window's background color.
Personally, I would go for the first option, because it requires less work (trying to emulate a bottom border will be difficult, even with NSGradient) , but both are a possibility.
I'm reading pixels from an area of the main screen via NSOpenGLContext. Now I would like to draw a rect around that area to indicate where it actually is.
How would I do this?
My first thought was the "Cocoa way": create a transparent fullscreen NSWindow and a custom NSView to draw the rectangle path. But that feels a bit too complicated. Isn't it possible to draw directly on the NSOpenGLContext?
If you want to draw over elements not inside your application the floating window is the only correct way. There’s really no complication except mapping positions properly, which is easy to do with the coordinate-space conversions available on NSView and NSWindow.