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Changes In Branch tip-563-scrollbar-scrollwheel Excluding Merge-Ins

This is equivalent to a diff from bd5761b5 to 205591d1

2020-02-24
20:35
Merge Tip #563: MouseWheel for horizontal scrollbar check-in: 2fd8b8cc user: oehhar tags: trunk
20:28
Add tests for scrollwheel on scrollbar: no shift horizontal and for ttk::scrollbar Closed-Leaf check-in: 205591d1 user: oehhar tags: tip-563-scrollbar-scrollwheel
2020-02-14
10:22
Merge 8.6 check-in: 41f71271 user: jan.nijtmans tags: trunk
2020-02-13
21:54
Merge trunk check-in: ba74bd6b user: jan.nijtmans tags: death-to-dbgx
21:53
Merge trunk check-in: b6b7fe41 user: jan.nijtmans tags: tip-563-scrollbar-scrollwheel
21:52
Merge trunk check-in: 566a9c6f user: jan.nijtmans tags: keysym-unicode
21:37
Merge trunk check-in: deb52fe8 user: jan.nijtmans tags: cplusplus
21:10
Merge 8.6 check-in: bd5761b5 user: jan.nijtmans tags: trunk
21:02
Fix travis build. Revise usage of TCLDIR check-in: bc5dbac2 user: jan.nijtmans tags: core-8-6-branch
2020-02-12
20:33
Merge 8.6 check-in: 19c1a7ac user: jan.nijtmans tags: trunk

Changes to library/scrlbar.tcl.
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bind Scrollbar <<LineEnd>> {
    tk::ScrollToPos %W 1
}
}

if {[tk windowingsystem] eq "aqua"} {
    bind Scrollbar <MouseWheel> {
	tk::ScrollByUnits %W v [expr {-(%D)}]
	tk::ScrollByUnits %W hv [expr {-(%D)}]
    }
    bind Scrollbar <Option-MouseWheel> {
	tk::ScrollByUnits %W v [expr {-10 * (%D)}]
    }
    bind Scrollbar <Shift-MouseWheel> {
	tk::ScrollByUnits %W h [expr {-(%D)}]
	tk::ScrollByUnits %W hv [expr {-10 * (%D)}]
    }
    bind Scrollbar <Shift-Option-MouseWheel> {
	tk::ScrollByUnits %W h [expr {-10 * (%D)}]
    }
} else {
    # We must make sure that positive and negative movements are rounded
    # equally to integers, avoiding the problem that
    #     (int)1/30 = 0,
    # but
    #     (int)-1/30 = -1
    # The following code ensure equal +/- behaviour.
    bind Scrollbar <MouseWheel> {
	if {%D >= 0} {
	    tk::ScrollByUnits %W v [expr {-%D/30}]
	} else {
	    tk::ScrollByUnits %W v [expr {(29-%D)/30}]
	}
    }
    bind Scrollbar <Shift-MouseWheel> {
	if {%D >= 0} {
	    tk::ScrollByUnits %W h [expr {-%D/30}]
	    tk::ScrollByUnits %W hv [expr {-%D/30}]
	} else {
	    tk::ScrollByUnits %W h [expr {(29-%D)/30}]
	    tk::ScrollByUnits %W hv [expr {(29-%D)/30}]
	}
    }
}

if {[tk windowingsystem] eq "x11"} {
    bind Scrollbar <Button-4> {tk::ScrollByUnits %W v -5}
    bind Scrollbar <Button-5> {tk::ScrollByUnits %W v 5}
    bind Scrollbar <Button-4> {tk::ScrollByUnits %W hv -5}
    bind Scrollbar <Button-5> {tk::ScrollByUnits %W hv 5}
    bind Scrollbar <Shift-Button-4> {tk::ScrollByUnits %W h -5}
    bind Scrollbar <Shift-Button-5> {tk::ScrollByUnits %W h 5}
    bind Scrollbar <Button-6> {tk::ScrollByUnits %W h -5}
    bind Scrollbar <Button-7> {tk::ScrollByUnits %W h 5}
    bind Scrollbar <Button-6> {tk::ScrollByUnits %W hv -5}
    bind Scrollbar <Button-7> {tk::ScrollByUnits %W hv 5}
}

# tk::ScrollButtonDown --
# This procedure is invoked when a button is pressed in a scrollbar.
# It changes the way the scrollbar is displayed and takes actions
# depending on where the mouse is.
#
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Changes to library/ttk/scrollbar.tcl.
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bind TScrollbar <B2-Motion>		{ ttk::scrollbar::Drag %W %x %y }
bind TScrollbar <ButtonRelease-2>	{ ttk::scrollbar::Release %W %x %y }

# Redirect scrollwheel bindings to the scrollbar widget
#
# The shift-bindings scroll left/right (not up/down)
# if a widget has both possibilities
set eventList [list <MouseWheel> <Shift-MouseWheel>]
set eventList [list <MouseWheel>]
switch [tk windowingsystem] {
    aqua {
        lappend eventList <Option-MouseWheel> <Shift-Option-MouseWheel>
        lappend eventList <Option-MouseWheel>
    }
    x11 {
        lappend eventList <Button-4> <Button-5> <Button-6> <Button-7>\
        lappend eventList <Button-4> <Button-5> <Button-6> <Button-7>
                <Shift-Button-4> <Shift-Button-5>
    }
}
foreach event $eventList {
    bind TScrollbar $event [bind Scrollbar $event]
}
unset eventList event
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Changes to tests/scrollbar.test.
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    event generate .s <MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {5.0}

test scrollbar-10.2.1 {<MouseWheel> event on scrollbar} -constraints {notAqua} -setup {
test scrollbar-10.2.1 {<Shift-MouseWheel> event on horizontal scrollbar} -constraints {notAqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <Shift-MouseWheel> -delta -120
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.2 {<MouseWheel> event on scrollbar} -constraints {aqua} -setup {
test scrollbar-10.2.2 {<Shift-MouseWheel> event on horizontal scrollbar} -constraints {aqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <Shift-MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.3 {<MouseWheel> event on horizontal scrollbar} -constraints {notAqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -120
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.4 {<MouseWheel> event on horizontal scrollbar} -constraints {aqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}

test scrollbar-11.1 {bug fix: [011706ec42] Scrollbar unsafe wrt widget destruction} -body {
    proc destroy_scrollbar {} {
        if {[winfo exists .top.s]} {
︙
Changes to tests/ttk/scrollbar.test.
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    .tsb configure -orient horizontal
    pack .tsb -side bottom -anchor s -expand 1 -fill x
    wm geometry . 200x200
    update
    set w [winfo width .tsb] ; set h [winfo height .tsb]
    expr {$h < $w}
} -result 1

test scrollbar-10.1.1 {<MouseWheel> event on scrollbar} -constraints {notAqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -yscrollcommand {.s set}] -side left
    for {set i 1} {$i < 100} {incr i} {.t insert end "Line $i\n"}
    pack [ttk::scrollbar .s -command {.t yview}] -fill y -expand 1 -side left
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -120
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {5.0}
test scrollbar-10.1.2 {<MouseWheel> event on scrollbar} -constraints {aqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -yscrollcommand {.s set}] -side left
    for {set i 1} {$i < 100} {incr i} {.t insert end "Line $i\n"}
    pack [ttk::scrollbar .s -command {.t yview}] -fill y -expand 1 -side left
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {5.0}

test scrollbar-10.2.1 {<Shift-MouseWheel> event on horizontal scrollbar} -constraints {notAqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [ttk::scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <Shift-MouseWheel> -delta -120
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.2 {<Shift-MouseWheel> event on horizontal scrollbar} -constraints {aqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [ttk::scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <Shift-MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.3 {<MouseWheel> event on horizontal scrollbar} -constraints {notAqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [ttk::scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -120
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}
test scrollbar-10.2.4 {<MouseWheel> event on horizontal scrollbar} -constraints {aqua} -setup {
    destroy .t .s
} -body {
    pack [text .t -xscrollcommand {.s set} -wrap none] -side top
    for {set i 1} {$i < 100} {incr i} {.t insert end "Char $i "}
    pack [ttk::scrollbar .s -command {.t xview} -orient horizontal] -fill x -expand 1 -side top
    update
    focus -force .s
    event generate .s <MouseWheel> -delta -4
    after 200 {set eventprocessed 1} ; vwait eventprocessed
    .t index @0,0
} -cleanup {
    destroy .t .s
} -result {1.4}

#
# Scale tests:
#

test scale-1.0 "Self-destruction" -body {
    trace variable v w { destroy .s ;# }
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