Tk Source Code

# This file is a Tcl script to test the code in the file tkTextTag.c.
# This file is organized in the standard fashion for Tcl tests.
#
# Copyright (c) 1994 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.

package require tcltest 2.2
namespace import ::tcltest::*
eval tcltest::configure $argv
tcltest::loadTestedCommands

set textWidgetFont {Courier 12}
set bigFont        {Courier 24}

# what is needed is a font that is both fixed-width and featuring a
# specific size because in some tests (that will be constrained by
# haveFontSizes), a tag applying the $bigFont will be set to some
# characters, which action has the effect of changing what character
# is under the mouse pointer, which is the purpose of the tests
testConstraint haveFontSizes [expr {
    [font metrics $textWidgetFont -fixed] &&
    [font actual  $textWidgetFont -size] == 12 &&
    [font metrics $bigFont -fixed] &&
    [font actual  $bigFont -size] == 24 }
]

destroy .t
text .t -width 20 -height 10

pack append . .t {top expand fill}
update
.t debug on

wm geometry . {}


# The statements below reset the main window;  it's needed if the window
# manager is mwm, to make mwm forget about a previous minimum size setting.

wm withdraw .
wm minsize . 1 1
wm positionfrom . user

    }
    .t tag names 2.1
} -cleanup {
    .t tag delete {*}[.t tag names]
} -result {x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29}


set curFont [.t cget -font]
set curWrap [.t cget -wrap]
set c [.t bbox 2.1]
set x1 [expr [lindex $c 0] + [lindex $c 2]/2]
set y1 [expr [lindex $c 1] + [lindex $c 3]/2]
set c [.t bbox 3.2]
set x2 [expr [lindex $c 0] + [lindex $c 2]/2]
set y2 [expr [lindex $c 1] + [lindex $c 3]/2]
set c [.t bbox 4.3]
set x3 [expr [lindex $c 0] + [lindex $c 2]/2]
set y3 [expr [lindex $c 1] + [lindex $c 3]/2]
.t configure -font $textWidgetFont -wrap none
update
set c [.t bbox 2.1]
set x4 [expr [lindex $c 0] + [lindex $c 2]/2]
set y4 [expr [lindex $c 1] + [lindex $c 3]/2]
set c [.t bbox 3.2]
set x5 [expr [lindex $c 0] + [lindex $c 2]/2]
set y5 [expr [lindex $c 1] + [lindex $c 3]/2]
.t configure -font $curFont -wrap $curWrap

test textTag-15.1 {TkTextBindProc} -setup {
    .t tag delete x y
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
} -body {
    bind .t <ButtonRelease> {lappend x up}
    .t tag bind x <ButtonRelease> {lappend x x-up}

    lappend x [.t index current]
    event gen .t <ButtonRelease-3> -state 0x300 -x $x3 -y $y3
    lappend x [.t index current]
    event gen .t <ButtonRelease-1> -state 0x100 -x $x3 -y $y3
    lappend x [.t index current]
} -result {2.1 3.2 3.2 3.2 3.2 3.2 4.3}

test textTag-16.2 {TkTextPickCurrent procedure} -constraints {
    haveFontSizes
} -setup {
    .t tag delete {*}[.t tag names]
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
    .t configure -font $textWidgetFont -wrap none
} -body {
    .t tag configure big -font $bigFont
    event gen .t <ButtonRelease-1> -state 0x100 -x $x4 -y $y4
    event gen .t <Motion> -x $x5 -y $y5
    set x [.t index current]
    .t tag add big 3.0
    update
    lappend x [.t index current]
} -cleanup {
    .t tag delete big
    .t configure -font $curFont -wrap $curWrap
} -result {3.2 3.1}

test textTag-16.3 {TkTextPickCurrent procedure} -setup {
    foreach i {a b c d} {
        .t tag remove $i 1.0 end
    }
    event generate {} <Motion> -warp 1 -x -1 -y -1; update

    .t tag lower c
    event gen .t <Motion> -x $x2 -y $y2
    return $x
} -cleanup {
    .t tag delete {*}[.t tag names]
} -result {enter-a enter-b enter-c | leave-c leave-b}

test textTag-16.5 {TkTextPickCurrent procedure} -constraints {
    haveFontSizes
} -setup {
    foreach i {big a b c d} {
        .t tag remove $i 1.0 end
    }
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
    .t configure -font $textWidgetFont -wrap none
} -body {
    .t tag configure big -font $bigFont
    event gen .t <Motion> -x $x4 -y $y4
    .t tag bind a <Enter> {.t tag add big 3.0 3.2}
    .t tag add a 3.2
    event gen .t <Motion> -x $x5 -y $y5
    .t index current
} -cleanup {
    .t tag delete a big
    .t configure -font $curFont -wrap $curWrap
} -result {3.2}

test textTag-16.6 {TkTextPickCurrent procedure} -constraints {
    haveFontSizes
} -setup {
    foreach i {big a b c d} {
        .t tag remove $i 1.0 end
    }
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
    .t configure -font $textWidgetFont -wrap none
} -body {
    .t tag configure big -font $bigFont
    event gen .t <Motion> -x $x4 -y $y4
    .t tag bind a <Enter> {.t tag add big 3.0 3.2}
    .t tag add a 3.2
    event gen .t <Motion> -x $x5 -y $y5
    update
    .t index current
} -cleanup {
    .t tag delete a big
    .t configure -font $curFont -wrap $curWrap
} -result {3.1}

test textTag-16.7 {TkTextPickCurrent procedure} -constraints {
    haveFontSizes
} -setup {
    foreach i {big a b c d} {
        .t tag remove $i 1.0 end
    }
    event generate {} <Motion> -warp 1 -x -1 -y -1; update
    .t configure -font $textWidgetFont -wrap none
} -body {
    .t tag configure big -font $bigFont
    .t tag bind a <Enter> {.t tag add big 3.0 3.2}
    .t tag add a 3.2

    event gen .t <Motion> -x $x4 -y $y4
    .t tag bind a <Leave> {.t tag add big 3.0 3.2}
    .t tag add a 2.1
    event gen .t <Motion> -x $x5 -y $y5
    update
    .t index current
} -cleanup {
    .t tag delete a big
    .t configure -font $curFont -wrap $curWrap
} -result {3.1}


test textTag-17.1 {insert procedure inserts tags} -setup {
    .t delete 1.0 end
} -body {
    # Objectification of the text widget had a problem