File size: 6,231 Bytes
c2dad70 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 |
#
# tkdnd_compat.tcl --
#
# This file implements some utility procedures, to support older versions
# of the TkDND package.
#
# This software is copyrighted by:
# George Petasis, National Centre for Scientific Research "Demokritos",
# Aghia Paraskevi, Athens, Greece.
# e-mail: petasis@iit.demokritos.gr
#
# The following terms apply to all files associated
# with the software unless explicitly disclaimed in individual files.
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.
#
# IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
# FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
# ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
# DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
# IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
# NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
# MODIFICATIONS.
#
namespace eval compat {
};# namespace compat
# ----------------------------------------------------------------------------
# Command ::dnd
# ----------------------------------------------------------------------------
proc ::dnd {method window args} {
switch $method {
bindtarget {
switch [llength $args] {
0 {return [tkdnd::compat::bindtarget0 $window]}
1 {return [tkdnd::compat::bindtarget1 $window [lindex $args 0]]}
2 {return [tkdnd::compat::bindtarget2 $window [lindex $args 0] \
[lindex $args 1]]}
3 {return [tkdnd::compat::bindtarget3 $window [lindex $args 0] \
[lindex $args 1] [lindex $args 2]]}
4 {return [tkdnd::compat::bindtarget4 $window [lindex $args 0] \
[lindex $args 1] [lindex $args 2] [lindex $args 3]]}
}
}
cleartarget {
return [tkdnd::compat::cleartarget $window]
}
bindsource {
switch [llength $args] {
0 {return [tkdnd::compat::bindsource0 $window]}
1 {return [tkdnd::compat::bindsource1 $window [lindex $args 0]]}
2 {return [tkdnd::compat::bindsource2 $window [lindex $args 0] \
[lindex $args 1]]}
3 {return [tkdnd::compat::bindsource3 $window [lindex $args 0] \
[lindex $args 1] [lindex $args 2]]}
}
}
clearsource {
return [tkdnd::compat::clearsource $window]
}
drag {
return [tkdnd::_init_drag 1 $window "press" 0 0 0 0]
}
}
error "invalid number of arguments!"
};# ::dnd
# ----------------------------------------------------------------------------
# Command compat::bindtarget
# ----------------------------------------------------------------------------
proc compat::bindtarget0 {window} {
return [bind $window <<DropTargetTypes>>]
};# compat::bindtarget0
proc compat::bindtarget1 {window type} {
return [bindtarget2 $window $type <Drop>]
};# compat::bindtarget1
proc compat::bindtarget2 {window type event} {
switch $event {
<DragEnter> {return [bind $window <<DropEnter>>]}
<Drag> {return [bind $window <<DropPosition>>]}
<DragLeave> {return [bind $window <<DropLeave>>]}
<Drop> {return [bind $window <<Drop>>]}
}
};# compat::bindtarget2
proc compat::bindtarget3 {window type event script} {
set type [normalise_type $type]
::tkdnd::drop_target register $window [list $type]
switch $event {
<DragEnter> {return [bind $window <<DropEnter>> $script]}
<Drag> {return [bind $window <<DropPosition>> $script]}
<DragLeave> {return [bind $window <<DropLeave>> $script]}
<Drop> {return [bind $window <<Drop>> $script]}
}
};# compat::bindtarget3
proc compat::bindtarget4 {window type event script priority} {
return [bindtarget3 $window $type $event $script]
};# compat::bindtarget4
proc compat::normalise_type { type } {
switch $type {
text/plain -
{text/plain;charset=UTF-8} -
Text {return DND_Text}
text/uri-list -
Files {return DND_Files}
default {return $type}
}
};# compat::normalise_type
# ----------------------------------------------------------------------------
# Command compat::bindsource
# ----------------------------------------------------------------------------
proc compat::bindsource0 {window} {
return [bind $window <<DropTargetTypes>>]
};# compat::bindsource0
proc compat::bindsource1 {window type} {
return [bindsource2 $window $type <Drop>]
};# compat::bindsource1
proc compat::bindsource2 {window type script} {
set type [normalise_type $type]
::tkdnd::drag_source register $window $type
bind $window <<DragInitCmd>> "list {copy} {%t} \[$script\]"
};# compat::bindsource2
proc compat::bindsource3 {window type script priority} {
return [bindsource2 $window $type $script]
};# compat::bindsource3
# ----------------------------------------------------------------------------
# Command compat::cleartarget
# ----------------------------------------------------------------------------
proc compat::cleartarget {window} {
};# compat::cleartarget
# ----------------------------------------------------------------------------
# Command compat::clearsource
# ----------------------------------------------------------------------------
proc compat::clearsource {window} {
};# compat::clearsource
|