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this is a different story, thank you very much, now all I have to do is find something for Linux
Procedure IsChildWindow( child, parent )
CompilerIf #PB_Compiler_OS = #PB_OS_MacOS
If CocoaMessage( 0, child, "parentWindow" ) = parent
ProcedureReturn #True
EndIf
CompilerElseIf #PB_Compiler_OS ...

first of all, thank you for responding. I think I asked the wrong question first. Now, as for the code, it doesn't return anything useful in this case.
If OpenWindow(1, 100, 200, 195, 260, "1", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget | #PB_Window_MaximizeGadget)
OpenWindow(2, 200, 200 ...

If OpenWindow(1, 100, 200, 195, 260, "1", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget | #PB_Window_MaximizeGadget)
OpenWindow(2, 300, 300, 195, 260, "2", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget | #PB_Window_MaximizeGadget, WindowID(1))

handle = WindowID(2)
; handle = WindowID(1 ...

What are you talking about, kid?)))

Inside your program, no one will see how you wrote the color code. You already know about this problem and always set the color correctly. If you read the color from an ini file, simply flip it when reading:

ColorValidate()
Procedure RGBtoBGR(c)
; ProcedureReturn RGB(Blue(c), Green(c), Red(c ...

In fact, this is the correct solution. Use the DisableWindow( ) function. As for the events, they should have worked until I enabled DisableWindow( )

So this was supposed to work?
Global BackColor.l = RGBA(255, 0, 255, 150)
; Make an image with a pink background (we want the pink color to be transparent)
CreateImage(0, 256, 256, 32, BackColor)

; Put a red circle on it
StartDrawing(ImageOutput(0))
FrontColor(RGB(255, 0, 0))
BackColor(BackColor ...

Hi mk-soft , thank you for sending it. Turned out the problem was that the container didn't work without the flag.
EnableExplicit

ImportC ""
gdk_event_get_scroll_deltas(*Event, *delta_x, *delta_y)
EndImport

Structure GdkEventScrollEx Extends GdkEventScroll
deltaX.d
deltaY.d
is_stop.l ...

Can you help me? Why is this not working? That is, delta(x&y) equals zero.

EnableExplicit

ImportC ""
gdk_event_get_scroll_deltas(*Event, *delta_x, *delta_y)
EndImport

Procedure signal_event( *self, *event.gdkeventscroll, user_data )
Protected deltaX.d, deltaY.d

If *event\type = #GDK_SCROLL ...

The problem I think is in the return type. [.i .l]
He also tormented me a lot.
Oops I'm late it turns out

BarryG wrote: Thu Oct 02, 2025 12:07 pm What if he's changing the focus to another gadget by clicking with the mouse?

My problem is visible immediately after compiling the code.

infratec wrote: Thu Oct 02, 2025 11:46 am Don't you need

Code: Select all

#PB_Canvas_Keyboard

for keyboard stuff?

Maybe it should, but that's not the point.
The point is that in Mac OS, an infinite loop starts, whereas in Windows, there is no such thing.

in mac OS
When closing the main window, why doesn't the child window close like in Windows? This is why there's no visible window and a warning that says "at least one window must be open."

If OpenWindow(0, 100, 200, 195, 260, "PureBasic Window", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget ...

in mac os is this bug?

Procedure lostfocus( )
Debug "lostfocus"
SetActiveGadget( - 1 )
EndProcedure

OpenWindow(1, 0, 0, 320, 400, "bug", #PB_Window_SystemMenu | #PB_Window_ScreenCentered)
CanvasGadget(1, 10, 10, 300, 300, #PB_Canvas_DrawFocus )
BindGadgetEvent(1, @lostfocus( ), #PB_EventType ...

I would like to do the same for Linux and macos. How do I do this?