package require Tk 8.5
package require tcltest ; namespace import -force tcltest::*
loadTestedCommands

proc propagate-geometry {} { update idletasks }

# Basic sanity checks:
#
test panedwindow-1.0 "Setup" -body {
    ttk::panedwindow .pw
} -result .pw

test panedwindow-1.1 "Make sure empty panedwindow doesn't crash" -body {
    pack .pw -expand true -fill both
    update
}

test panedwindow-1.2 "Add a pane" -body {
    .pw add [ttk::frame .pw.f1]
    winfo manager .pw.f1
} -result "panedwindow"

test panedwindow-1.3 "Steal pane" -body {
    pack .pw.f1 -side bottom
    winfo manager .pw.f1
} -result "pack"

test panedwindow-1.4 "Make sure empty panedwindow still doesn't crash" -body {
    update
}

test panedwindow-1.5 "Remanage pane" -body {
    #XXX .pw insert 0 .pw.f1
    .pw add .pw.f1
    winfo manager .pw.f1
} -result "panedwindow"

test panedwindow-1.6 "Forget pane" -body {
    .pw forget .pw.f1
    winfo manager .pw.f1
} -result ""

test panedwindow-1.7 "Make sure empty panedwindow still still doesn't crash" -body {
    update
}

test panedwindow-1.8 "Re-forget pane" -body {
    .pw forget .pw.f1
} -returnCodes 1 -result ".pw.f1 is not managed by .pw"

test panedwindow-1.end "Cleanup" -body {
    destroy .pw
}

# Resize behavior:
#
test panedwindow-2.1 "..." -body {
    ttk::panedwindow .pw -orient horizontal

    .pw add [listbox .pw.l1]
    .pw add [listbox .pw.l2]
    .pw add [listbox .pw.l3]
    .pw add [listbox .pw.l4]

    pack .pw -expand true -fill both
    update
    set w1 [winfo width .]

    # This should make the window shrink:
    destroy .pw.l2

    update
    set w2 [winfo width .]

    expr {$w2 < $w1}
} -result 1

test panedwindow-2.2 "..., cont'd" -body {

    # This should keep the window from shrinking:
    wm geometry . [wm geometry .]

    set rw2 [winfo reqwidth .pw]

    destroy .pw.l1
    update

    set w3 [winfo width .]
    set rw3 [winfo reqwidth .pw]

    expr {$w3 == $w2 && $rw3 < $rw2}
    # problem: [winfo reqwidth] shrinks, but sashes haven't moved
    # since we haven't gotten a ConfigureNotify.
    # How to (a) check for this, and (b) fix it?
} -result 1

test panedwindow-2.3 "..., cont'd" -body {

    .pw add [listbox .pw.l5]
    update
    set rw4 [winfo reqwidth .pw]

    expr {$rw4 > $rw3}
} -result 1

test panedwindow-2.end "Cleanup" -body { destroy .pw }

#
# ...
#
test panedwindow-3.0 "configure pane" -body {
    ttk::panedwindow .pw
    .pw add [listbox .pw.lb1]
    .pw add [listbox .pw.lb2]
    .pw pane 1 -weight 2
    .pw pane 1 -weight
} -result 2

test panedwindow-3.1 "configure pane -- errors" -body {
    .pw pane 1 -weight -4
} -returnCodes 1 -match glob -result "-weight must be nonnegative"

test panedwindow-3.2 "add pane -- errors" -body {
    .pw add [ttk::label .pw.l] -weight -1
} -returnCodes 1 -match glob -result "-weight must be nonnegative"


test panedwindow-3.end "cleanup" -body { destroy .pw }


test panedwindow-4.1 "forget" -body {
    pack [ttk::panedwindow .pw -orient vertical] -expand true -fill both
    .pw add [label .pw.l1 -text "L1"]
    .pw add [label .pw.l2 -text "L2"]
    .pw add [label .pw.l3 -text "L3"]
    .pw add [label .pw.l4 -text "L4"]

    update

    .pw forget .pw.l1
    .pw forget .pw.l2
    .pw forget .pw.l3
    .pw forget .pw.l4
    update
}

test panedwindow-4.2 "forget forgotten" -body {
    .pw forget .pw.l1
} -returnCodes 1 -result ".pw.l1 is not managed by .pw"

# checkorder $winlist --
#	Ensure that Y coordinates windows in $winlist are strictly increasing.
#
proc checkorder {winlist} {
    set pos -1
    set positions [list]
    foreach win $winlist {
    	lappend positions [set nextpos [winfo y $win]]
	if {$nextpos <= $pos} {
	    error "window $win out of order ($positions)"
	}
	set pos $nextpos
    }
}

test panedwindow-4.3 "insert command" -body {
    .pw insert end .pw.l1
    .pw insert end .pw.l3
    .pw insert 1 .pw.l2
    .pw insert end .pw.l4

    update;
    checkorder {.pw.l1 .pw.l2 .pw.l3 .pw.l4}
}

test panedwindow-4.END "cleanup" -body {
    destroy .pw
}

# See #1292219

test panedwindow-5.1 "Propagate Map/Unmap state to children" -body {
    set result [list]
    pack [ttk::panedwindow .pw]
    .pw add [ttk::button .pw.b]
    update

    lappend result [winfo ismapped .pw] [winfo ismapped .pw.b]

    pack forget .pw
    update
    lappend result [winfo ismapped .pw] [winfo ismapped .pw.b]

    set result
} -result [list 1 1 0 0] -cleanup {
    destroy .pw
}

### sashpos tests.
#
proc sashpositions {pw} {
    set positions [list]
    set npanes [llength [winfo children $pw]]
    for {set i 0} {$i < $npanes - 1} {incr i} {
    	lappend positions [$pw sashpos $i]
    }
    return $positions
}

test paned-sashpos-setup "Setup for sash position test" -body {
    ttk::style theme use default
    ttk::style configure -sashthickness 5

    ttk::panedwindow .pw
    .pw add [frame .pw.f1 -width 20 -height 20]
    .pw add [frame .pw.f2 -width 20 -height 20]
    .pw add [frame .pw.f3 -width 20 -height 20]
    .pw add [frame .pw.f4 -width 20 -height 20]

    propagate-geometry
    list [winfo reqwidth .pw] [winfo reqheight .pw]
} -result [list 20 [expr {20*4 + 5*3}]]

test paned-sashpos-attempt-restore "Attempt to set sash positions" -body {
    # This is not expected to succeed, since .pw isn't large enough yet.
    #
    .pw sashpos 0 30
    .pw sashpos 1 60
    .pw sashpos 2 90

    list [winfo reqwidth .pw] [winfo reqheight .pw] [sashpositions .pw]
} -result [list 20 95 [list 0 5 10]]

test paned-sashpos-restore "Set height then sash positions" -body {
    # Setting sash positions after setting -height _should_ succeed.
    #
    .pw configure -height 120
    .pw sashpos 0 30
    .pw sashpos 1 60
    .pw sashpos 2 90
    list [winfo reqwidth .pw] [winfo reqheight .pw] [sashpositions .pw]
} -result [list 20 120 [list 30 60 90]]

test paned-sashpos-cleanup "Clean up" -body { destroy .pw }

test paned-propagation-setup "Setup." -body {
    ttk::style theme use default
    ttk::style configure -sashthickness 5
    wm geometry . {}
    ttk::panedwindow .pw -orient vertical

    frame .pw.f1 -width 100 -height 50
    frame .pw.f2 -width 100 -height 50

    list [winfo reqwidth .pw.f1] [winfo reqheight .pw.f1]
} -result [list 100 50]

test paned-propagation-1 "Initial request size" -body {
    .pw add .pw.f1
    .pw add .pw.f2
    propagate-geometry
    list [winfo reqwidth .pw] [winfo reqheight .pw]
} -result [list 100 105]

test paned-propagation-2 "Slave change before map" -body {
    .pw.f1 configure -width 200 -height 100
    propagate-geometry
    list [winfo reqwidth .pw] [winfo reqheight .pw]
} -result [list 200 155]

test paned-propagation-3 "Map window" -body {
    pack .pw -expand true -fill both
    update
    list [winfo width .pw] [winfo height .pw] [.pw sashpos 0]
} -result [list 200 155 100]

test paned-propagation-4 "Slave change after map, off-axis" -body {
    .pw.f1 configure -width 100 ;# should be granted
    propagate-geometry
    list [winfo reqwidth .pw] [winfo reqheight .pw] [.pw sashpos 0]
} -result [list 100 155 100]

test paned-propagation-5 "Slave change after map, on-axis" -body {
    .pw.f1 configure -height 50 ;# should be denied
    propagate-geometry
    list [winfo reqwidth .pw] [winfo reqheight .pw] [.pw sashpos 0]
} -result [list 100 155 100]

test paned-propagation-cleanup "Clean up." -body { destroy .pw }

tcltest::cleanupTests