; Module/File:     FrameGadget_InvisibleContentWorkaroundGtk3.pb
; Function:        Workaround against over-painted Gadgets within FrameGadget - Linux gtk3
; Author:          Omi
; Date:            Dec. 22, 2015
; Version:         0.1
; Target Compiler: PureBasic 5.22/5.31/5.4/5.6
; Target OS:       Linux: (X/K/L)ubuntu, Mint, 32/64, Ascii/Uni
;--------------------------------------------------------------
;Hint: Set FramesGadget-line after the gadgets! Otherwise some tooltips don't appear.
;some themes then overpaint the Gadgets. Here's a workaround ...

EnableExplicit

ImportC ""
	gdk_rgba_parse(*rgba, spec.p-utf8)
	gtk_widget_override_background_color(*widget.GtkWidget, state, color)
EndImport

Enumeration GtkStateFlags
	#GTK_STATE_FLAG_NORMAL
; 	#GTK_STATE_FLAG_ACTIVE
; 	#GTK_STATE_FLAG_PRELIGHT
; 	#GTK_STATE_FLAG_SELECTED
; 	#GTK_STATE_FLAG_INSENSITIVE
; 	#GTK_STATE_FLAG_INCONSISTENT
; 	#GTK_STATE_FLAG_FOCUSED
; 	#GTK_STATE_FLAG_BACKDROP
; 	#GTK_STATE_FLAG_DIR_LTR
; 	#GTK_STATE_FLAG_DIR_RTL
EndEnumeration

Structure GdkRGBA
	red.d
	green.d
	blue.d
	alpha.d
EndStructure
Global   gBgColor.GdkRGBA

If OpenWindow(0, 0, 0, 600, 310, "FrameGadget workaround for content-visibility & working tooltips", #PB_Window_SystemMenu | #PB_Window_ScreenCentered)
	
	ButtonGadget(1, 20, 30, 560, 30, "Button")
	GadgetToolTip(1, "Button ToolTip")
	
	;if the FrameGadget is placed here, ToolTips of included Gadgets are shown, but in gtk3 the content (here Button) could be painted over ...
	FrameGadget(0, 10, 10, 580, 290, "FrameGadget with Button")
	
	;so make the FrameGadget transparent on gtk3 to show the content AND ToolTips works ...
	gdk_rgba_parse(@gBgColor, "rgba(255,255,255,0.0)")
	gtk_widget_override_background_color(GadgetID(0), #GTK_STATE_FLAG_NORMAL, gBgColor)
	
	Repeat
	Until WaitWindowEvent() = #PB_Event_CloseWindow
EndIf
; IDE Options = PureBasic 5.46 LTS Beta 2 (Linux - x86)
; CursorPosition = 36
; EnableUnicode
; EnableXP