path: root/tests/canvText.test

# This file is a Tcl script to test out the procedures in tkCanvText.c,
# which implement canvas "text" items.  It is organized in the standard
# fashion for Tcl tests.
#
# Copyright (c) 1996-1997 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.
#
# RCS: @(#) $Id: canvText.test,v 1.16.4.1 2008/10/09 15:17:44 dgp Exp $

package require tcltest 2.1
eval tcltest::configure $argv
tcltest::loadTestedCommands

canvas .c -width 400 -height 300 -bd 2 -relief sunken
pack .c
update

set i 1
.c create text 20 20 -tag test

set font "-adobe-times-medium-r-normal--*-200-*-*-*-*-*-*"
set ay [font metrics $font -linespace]
set ax [font measure $font 0]


foreach test {
    {-anchor nw nw xyz {bad anchor position "xyz": must be n, ne, e, se, s, sw, w, nw, or center}}
    {-fill #ff0000 #ff0000 xyz {unknown color name "xyz"}}
    {-fill {} {} {} {}}
    {-font {Times 40} {Times 40} {} {font "" doesn't exist}}
    {-justify left left xyz {bad justification "xyz": must be left, right, or center}}
    {-stipple gray50 gray50 xyz {bitmap "xyz" not defined}}
    {-tags {test a b c} {test a b c} {} {}}
    {-text xyz xyz {} {}}
    {-underline 0 0 xyz {expected integer but got "xyz"}}
    {-width 6 6 xyz {bad screen distance "xyz"}}
} {
    lassign $test name goodValue goodResult badValue badResult
    test canvText-1.$i "configuration options: good value for $name" {
	.c itemconfigure test $name $goodValue
	list [lindex [.c itemconfigure test $name] 4] [.c itemcget test $name]
    } [list $goodResult $goodResult]
    incr i
    if {$badValue ne ""} {
	test canvText-1.$i "configuration options: bad value for $name" -body {
	    .c itemconfigure test $name $badValue
	} -returnCodes error -result $badResult
    }
    incr i
}
test canvText-1.$i {configuration options} {
    .c itemconfigure test -tags {test xyz}
    .c itemcget xyz -tags
} {test xyz}

.c delete test
.c create text 20 20 -tag test

test canvText-2.1 {CreateText procedure: args} {
    list [catch {.c create text} msg] $msg
} {1 {wrong # args: should be ".c create text coords ?arg arg ...?"}}
test canvText-2.2 {CreateText procedure: args} {
    list [catch {.c create text xyz 0} msg] $msg
} {1 {bad screen distance "xyz"}}
test canvText-2.3 {CreateText procedure: args} {
    list [catch {.c create text 0 xyz} msg] $msg
} {1 {bad screen distance "xyz"}}
test canvText-2.4 {CreateText procedure: args} {
    list [catch {.c create text 0 0 -xyz xyz} msg] $msg
} {1 {unknown option "-xyz"}}
test canvText-2.5 {CreateText procedure} {
    .c create text 0 0 -tags x
    set x [.c coords x]
    .c delete x
    set x
} {0.0 0.0}

focus -force .c
.c focus test
.c coords test 0 0
update

test canvText-3.1 {TextCoords procedure} {
    .c coords test
} {0.0 0.0}
test canvText-3.2 {TextCoords procedure} {
    list [catch {.c coords test xyz 0} msg] $msg
} {1 {bad screen distance "xyz"}}
test canvText-3.3 {TextCoords procedure} {
    list [catch {.c coords test 0 xyz} msg] $msg
} {1 {bad screen distance "xyz"}}
test canvText-3.4 {TextCoords procedure} {
    .c coords test 10 10
    set result {}
    foreach element [.c coords test] {
	lappend result [format %.1f $element]
    }
    set result
} {10.0 10.0}
test canvText-3.5 {TextCoords procedure} {
    list [catch {.c coords test 10} msg] $msg
} {1 {wrong # coordinates: expected 2, got 1}}
test canvText-3.6 {TextCoords procedure} {
    list [catch {.c coords test 10 10 10} msg] $msg
} {1 {wrong # coordinates: expected 0 or 2, got 3}}

test canvText-4.1 {ConfigureText procedure} {
    list [catch {.c itemconfig test -fill xyz} msg] $msg
} {1 {unknown color name "xyz"}}
test canvText-4.2 {ConfigureText procedure} {
    .c itemconfig test -fill blue
    .c itemcget test -fill
} {blue}
test canvText-4.3 {ConfigureText procedure: construct font gcs} {
    .c itemconfig test -font "times 20" -fill black -stipple gray50
    list [.c itemcget test -font] [.c itemcget test -fill] [.c itemcget test -stipple]
} {{times 20} black gray50}
test canvText-4.4 {ConfigureText procedure: construct cursor gc} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c icursor test 3

    # Both black -> cursor becomes white.
    .c config -insertbackground black
    .c config -selectbackground black
    .c itemconfig test -just left
    update

    # Both same color (and not black) -> cursor becomes black.
    .c config -insertbackground red
    .c config -selectbackground red
    .c itemconfig test -just left
    update
} {}
test canvText-4.5 {ConfigureText procedure: adjust selection} {
    set x {}
    .c itemconfig test -text "abcdefghi"
    .c select from test 2
    .c select to test 6
    lappend x [selection get]
    .c dchars test 1 end
    lappend x [catch {selection get}]
    .c insert test end "bcdefghi"
    .c select from test 2
    .c select to test 6
    lappend x [selection get]
    .c dchars test 4 end
    lappend x [selection get]
    .c insert test end "efghi"
    .c select from test 6
    .c select to test 2
    lappend x [selection get]
    .c dchars test 4 end
    lappend x [selection get]
} {cdefg 1 cdefg cd cdef cd}
test canvText-4.6 {ConfigureText procedure: adjust cursor} {
    .c itemconfig test -text "abcdefghi"
    set x {}
    .c icursor test 6
    .c dchars test 4 end
    .c index test insert
} {4}

test canvText-5.1 {ConfigureText procedure: adjust cursor} {
    .c create text 10 10 -tag x -fill blue -font "times 40" -stipple gray50 -text "xyz"
    .c delete x
} {}

test canvText-6.1 {ComputeTextBbox procedure} {fonts nonPortable} {
    .c itemconfig test -font $font -text 0
    .c coords test 0 0
    set x {}
    lappend x [.c itemconfig test -anchor n; .c bbox test]
    lappend x [.c itemconfig test -anchor nw; .c bbox test]
    lappend x [.c itemconfig test -anchor w; .c bbox test]
    lappend x [.c itemconfig test -anchor sw; .c bbox test]
    lappend x [.c itemconfig test -anchor s; .c bbox test]
    lappend x [.c itemconfig test -anchor se; .c bbox test]
    lappend x [.c itemconfig test -anchor e; .c bbox test]
    lappend x [.c itemconfig test -anchor ne; .c bbox test]
    lappend x [.c itemconfig test -anchor center; .c bbox test]
} "{[expr -$ax/2-1] 0 [expr $ax/2+1] $ay}\
{-1 0 [expr $ax+1] $ay}\
{-1 [expr -$ay/2] [expr $ax+1] [expr $ay/2]}\
{-1 -$ay [expr $ax+1] 0}\
{[expr -$ax/2-1] -$ay [expr $ax/2+1] 0}\
{[expr -$ax-1] -$ay 1 0}\
{[expr -$ax-1] [expr -$ay/2] 1 [expr $ay/2]}\
{[expr -$ax-1] 0 1 $ay}\
{[expr -$ax/2-1] [expr -$ay/2] [expr $ax/2+1] [expr $ay/2]}"

focus .c
.c focus test
.c itemconfig test -text "abcd\nefghi\njklmnopq"
test canvText-7.0 {DisplayText procedure: stippling} {
    .c itemconfig test -stipple gray50
    update
    .c itemconfig test -stipple {}
    update
} {}
test canvText-7.2 {DisplayText procedure: draw selection} {
    .c select from test 0
    .c select to test end
    update
    selection get
} "abcd\nefghi\njklmnopq"
test canvText-7.3 {DisplayText procedure: selection} {
    .c select from test 0
    .c select to test end
    update
    selection get
} "abcd\nefghi\njklmnopq"
test canvText-7.4 {DisplayText procedure: one line selection} {
    .c select from test 2
    .c select to test 3
    update
} {}
test canvText-7.5 {DisplayText procedure: multi-line selection} {
    .c select from test 2
    .c select to test 12
    update
} {}
test canvText-7.6 {DisplayText procedure: draw cursor} {
    .c icursor test 3
    update
} {}
test canvText-7.7 {DisplayText procedure: selected text different color} {
    .c config -selectforeground blue
    .c itemconfig test -anchor n
    update
} {}
test canvText-7.8 {DisplayText procedure: not selected} {
    .c select clear
    update
} {}
test canvText-7.9 {DisplayText procedure: select end} {
    catch {destroy .t}
    toplevel .t
    wm geometry .t +0+0
    canvas .t.c
    pack .t.c
    set id [.t.c create text 0 0 -text Dummy -anchor nw]
    update
    .t.c select from $id 0
    .t.c select to $id end
    update
    #catch {destroy .t}
    update
} {}

test canvText-8.1 {TextInsert procedure: 0 length insert} {
    .c insert test end {}
} {}
test canvText-8.2 {TextInsert procedure: before beginning/after end} {
    # Can't test this because GetTextIndex filters out those numbers.
} {}
test canvText-8.3 {TextInsert procedure: inserting in a selected item} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c insert test 1 "xyz"
    .c itemcget test -text
} {axyzbcdefg}
test canvText-8.4 {TextInsert procedure: inserting before selection} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c insert test 1 "xyz"
    list [.c index test sel.first] [.c index test sel.last]
} {5 7}
test canvText-8.5 {TextInsert procedure: inserting in selection} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c insert test 3 "xyz"
    list [.c index test sel.first] [.c index test sel.last]
} {2 7}
test canvText-8.6 {TextInsert procedure: inserting after selection} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c insert test 5 "xyz"
    list [.c index test sel.first] [.c index test sel.last]
} {2 4}
test canvText-8.7 {TextInsert procedure: inserting in unselected item} {
    .c itemconfig test -text "abcdefg"
    .c select clear
    .c insert test 5 "xyz"
    .c itemcget test -text
} {abcdexyzfg}
test canvText-8.8 {TextInsert procedure: inserting before cursor} {
    .c itemconfig test -text "abcdefg"
    .c icursor test 3
    .c insert test 2 "xyz"
    .c index test insert
} {6}
test canvText-8.9 {TextInsert procedure: inserting after cursor} {
    .c itemconfig test -text "abcdefg"
    .c icursor test 3
    .c insert test 4 "xyz"
    .c index test insert
} {3}

test canvText-9.1 {TextInsert procedure: before beginning/after end} {
    # Can't test this because GetTextIndex filters out those numbers.
} {}
test canvText-9.2 {TextInsert procedure: start > end} {
    .c itemconfig test -text "abcdefg"
    .c dchars test 4 2
    .c itemcget test -text
} {abcdefg}
test canvText-9.3 {TextInsert procedure: deleting from a selected item} {
    .c itemconfig test -text "abcdefg"
    .c select from test 2
    .c select to test 4
    .c dchars test 3 5
    .c itemcget test -text
} {abcg}
test canvText-9.4 {TextInsert procedure: deleting before start} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 1 1
    list [.c index test sel.first] [.c index test sel.last]
} {3 7}
test canvText-9.5 {TextInsert procedure: keep start > first char deleted} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 2 6
    list [.c index test sel.first] [.c index test sel.last]
} {2 3}
test canvText-9.6 {TextInsert procedure: deleting inside selection} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 6 6
    list [.c index test sel.first] [.c index test sel.last]
} {4 7}
test canvText-9.7 {TextInsert procedure: keep end > first char deleted} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 6 10
    list [.c index test sel.first] [.c index test sel.last]
} {4 5}
test canvText-9.8 {TextInsert procedure: selectFirst > selectLast: deselect} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 3 10
    list [catch {.c index test sel.first} msg] $msg
} {1 {selection isn't in item}}
test canvText-9.9 {TextInsert procedure: selectFirst <= selectLast} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 4
    .c select to test 8
    .c dchars test 4 7
    list [.c index test sel.first] [.c index test sel.last]
} {4 4}
test canvText-9.10 {TextInsert procedure: move anchor} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 6
    .c select to test 8
    .c dchars test 2 4
    .c select to test 1
    list [.c index test sel.first] [.c index test sel.last]
} {1 2}
test canvText-9.11 {TextInsert procedure: keep anchor >= first} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 6
    .c select to test 8
    .c dchars test 5 7
    .c select to test 1
    list [.c index test sel.first] [.c index test sel.last]
} {1 4}
test canvText-9.12 {TextInsert procedure: anchor doesn't move} {
    .c itemconfig test -text "abcdefghijk"
    .c select from test 2
    .c select to test 5
    .c dchars test 6 8
    .c select to test 8
    list [.c index test sel.first] [.c index test sel.last]
} {2 8}
test canvText-9.13 {TextInsert procedure: move cursor} {
    .c itemconfig test -text "abcdefghijk"
    .c icursor test 6
    .c dchars test 2 4
    .c index test insert
} {3}
test canvText-9.14 {TextInsert procedure: keep cursor >= first} {
    .c itemconfig test -text "abcdefghijk"
    .c icursor test 6
    .c dchars test 2 10
    .c index test insert
} {2}
test canvText-9.15 {TextInsert procedure: cursor doesn't move} {
    .c itemconfig test -text "abcdefghijk"
    .c icursor test 5
    .c dchars test 7 9
    .c index test insert
} {5}

test canvText-10.1 {TextToPoint procedure} {
    .c coords test 0 0
    .c itemconfig test -text 0 -anchor center
    .c index test @0,0
} {0}

test canvText-11.1 {TextToArea procedure} {
    .c coords test 0 0
    .c itemconfig test -text 0 -anchor center
    .c find overlapping 0 0 1 1
} [.c find withtag test]
test canvText-11.2 {TextToArea procedure} {
    .c coords test 0 0
    .c itemconfig test -text 0 -anchor center
    .c find overlapping 1000 1000 1001 1001
} {}

test canvText-12.1 {ScaleText procedure} {
    .c coords test 100 100
    .c scale all 50 50 2 2
    format {%.6g %.6g} {*}[.c coords test]
} {150 150}

test canvText-13.1 {TranslateText procedure} {
    .c coords test 100 100
    .c move all 10 10
    format {%.6g %.6g} {*}[.c coords test]
} {110 110}

.c itemconfig test -text "abcdefghijklmno" -anchor nw
.c select from test 5
.c select to test 8
.c icursor test 12
.c coords test 0 0
test canvText-14.1 {GetTextIndex procedure} {
    list [.c index test end] [.c index test insert] \
	[.c index test sel.first] [.c index test sel.last] \
	[.c index test @0,0] \
	[.c index test -1] [.c index test 10] [.c index test 100]
} {15 12 5 8 0 0 10 15}
test canvText-14.2 {GetTextIndex procedure: select error} {
    .c select clear
    list [catch {.c index test sel.first} msg] $msg
} {1 {selection isn't in item}}
test canvText-14.3 {GetTextIndex procedure: select error} {
    .c select clear
    list [catch {.c index test sel.last} msg] $msg
} {1 {selection isn't in item}}
test canvText-14.4 {GetTextIndex procedure: select error} {
    .c select clear
    list [catch {.c index test sel.} msg] $msg
} {1 {bad index "sel."}}
test canvText-14.5 {GetTextIndex procedure: bad int or unknown index} {
    list [catch {.c index test xyz} msg] $msg
} {1 {bad index "xyz"}}

test canvText-15.1 {SetTextCursor procedure} {
    .c itemconfig -text "abcdefg"
    .c icursor test 3
    .c index test insert
} {3}

test canvText-16.1 {GetSelText procedure} {
    .c itemconfig test -text "abcdefghijklmno" -anchor nw
    .c select from test 5
    .c select to test 8
    selection get
} {fghi}

set font {Courier 12 italic}
set ax [font measure $font 0]
set ay [font metrics $font -linespace]

test canvText-17.1 {TextToPostscript procedure} {
    .c delete all
    .c config -height 300 -highlightthickness 0 -bd 0
    update
    .c create text 100 100 -tags test
    .c itemconfig test -font $font -text "00000000" -width [expr 3*$ax]
    .c itemconfig test -anchor n -fill black
    set x [.c postscript]
    set x [string range $x [string first "/Courier-Oblique" $x] end]
} "/Courier-Oblique findfont [font actual $font -size] scalefont ISOEncode setfont
0.000 0.000 0.000 setrgbcolor AdjustColor
100 200 \[
\[(000)\]
\[(000)\]
\[(00)\]
] $ay -0.5 0.0 0 false DrawText
grestore
restore showpage

%%Trailer
end
%%EOF
"

test canvText-18.1 {bug fix 2525, find enclosed on text with newlines} {
    catch {destroy .c}
    canvas .c
    pack .c
    .c delete all
    .c create text 100 100 -text Hello\n -anchor nw
    set bbox [.c bbox 1]
    set x2 [lindex $bbox 2]
    set y2 [lindex $bbox 3]
    incr y2
    update
    .c find enclosed 99 99 [expr $x2 + $i] [expr $y2 + 1]
} 1

test canvText-19.1 {patch 1006286, leading space caused wrap under Win32} {
    catch {destroy .c}
    set c [canvas .c -bg black -width 964]
    pack $c
    $c delete all
    after 1000 "set done 1" ; vwait done

    set f {Arial 28 bold}

    set s1 {    Yeah-ah-ah-ah-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh-Yow}
    set s2 {    Yeah ah ah ah oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh Yow}

    $c create text 21 18 \
        -font $f \
        -text $s1 \
        -fill white \
        -width 922 \
        -anchor nw \
        -tags tbox1
    eval {$c create rect} [$c bbox tbox1] -outline red

    $c create text 21 160 \
        -font $f \
        -text $s2 \
        -fill white \
        -width 922 \
        -anchor nw \
        -tags tbox2
    eval {$c create rect} [$c bbox tbox2] -outline red

    after 1000 "set done 1" ; vwait done

    set results [list]

    $c select from tbox2 4
    $c select to tbox2 8
    lappend results [selection get]

    $c select from tbox1 4
    $c select to tbox1 8
    lappend results [selection get]

    array set metrics [font metrics $f]
    set x [expr {21 + [font measure $f "    "] \
        + ([font measure {Arial 28 bold} "Y"] / 2)}]
    set y1 [expr {18 + ($metrics(-linespace) / 2)}]
    set y2 [expr {160 + ($metrics(-linespace) / 2)}]

    lappend results [$c index tbox1 @$x,$y1]
    lappend results [$c index tbox2 @$x,$y2]

    set results
} {{Yeah } Yeah- 4 4}


# cleanup
cleanupTests
return