tkdnd 2.6-1ubuntu1 / usr / lib / tkdnd2.6 / tkdnd_macosx.tcl

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/usr/lib/tkdnd2.6/tkdnd_macosx.tcl is in tkdnd 2.6-1ubuntu1.

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#
# tkdnd_macosx.tcl --
# 
#    This file implements some utility procedures that are used by the TkDND
#    package.

#   This software is copyrighted by:
#   Georgios Petasis, Athens, Greece.
#   e-mail: petasisg@yahoo.gr, petasis@iit.demokritos.gr
#
#   Mac portions (c) 2009 Kevin Walzer/WordTech Communications LLC,
#   kw@codebykevin.com
#
#
# 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.
#

#basic API for Mac Drag and Drop

#two data types supported: strings and file paths

#two commands at C level: ::tkdnd::macdnd::registerdragwidget, ::tkdnd::macdnd::unregisterdragwidget

#data retrieval mechanism: text or file paths are copied from drag clipboard to system clipboard and retrieved via [clipboard get]; array of file paths is converted to single tab-separated string, can be split into Tcl list

if {[tk windowingsystem] eq "aqua" && "AppKit" ni [winfo server .]} {
  error {TkAqua Cocoa required}
}

namespace eval macdnd {
  variable _dropped_data
};# namespace macdnd

# ----------------------------------------------------------------------------
#  Command macdnd::_HandleEnter
# ----------------------------------------------------------------------------
proc macdnd::_HandleEnter { path drag_source typelist } {
  return [::tkdnd::xdnd::_HandleXdndEnter $path $drag_source $typelist]
};# macdnd::_HandleEnter

# ----------------------------------------------------------------------------
#  Command macdnd::_HandlePosition 
# ----------------------------------------------------------------------------
proc macdnd::_HandlePosition { drop_target rootX rootY } {
  return [::tkdnd::xdnd::_HandleXdndPosition $drop_target $rootX $rootY]
};# macdnd::_HandlePosition

# ----------------------------------------------------------------------------
#  Command macdnd::_HandleLeave
# ----------------------------------------------------------------------------
proc macdnd::_HandleLeave { args  } {
  return [::tkdnd::xdnd::_HandleXdndLeave]
};# macdnd::_HandleLeave

# ----------------------------------------------------------------------------
#  Command macdnd::_HandleDrop
# ----------------------------------------------------------------------------
proc macdnd::_HandleDrop { drop_target data args } {
  variable _dropped_data
  set _dropped_data $data
  return [::tkdnd::xdnd::_HandleXdndDrop 0]
};# macdnd::_HandleDrop

# ----------------------------------------------------------------------------
#  Command macdnd::_GetDroppedData
# ----------------------------------------------------------------------------
proc macdnd::_GetDroppedData { time } {
  variable _dropped_data
  return $_dropped_data
};# macdnd::_GetDroppedData
proc xdnd::_GetDroppedData { time } {
  return [::tkdnd::macdnd::_GetDroppedData $time]
};# xdnd::_GetDroppedData

# ----------------------------------------------------------------------------
#  Command macdnd::_GetDragSource
# ----------------------------------------------------------------------------
proc macdnd::_GetDragSource {  } {
  return [::tkdnd::xdnd::_GetDragSource]
};# macdnd::_GetDragSource

# ----------------------------------------------------------------------------
#  Command macdnd::_GetDropTarget
# ----------------------------------------------------------------------------
proc macdnd::_GetDropTarget {  } {
  return [::tkdnd::xdnd::_GetDropTarget]
};# macdnd::_GetDropTarget

# ----------------------------------------------------------------------------
#  Command macdnd::_supported_types
# ----------------------------------------------------------------------------
proc macdnd::_supported_types { types } {
  return [::tkdnd::xdnd::_supported_types $types]
}; # macdnd::_supported_types

# ----------------------------------------------------------------------------
#  Command macdnd::_platform_specific_types
# ----------------------------------------------------------------------------
proc macdnd::_platform_specific_types { types } {
  return [::tkdnd::xdnd::_platform_specific_types $types]
}; # macdnd::_platform_specific_types

# ----------------------------------------------------------------------------
#  Command macdnd::_normalise_data
# ----------------------------------------------------------------------------
proc macdnd::_normalise_data { type data } {
  return [::tkdnd::xdnd::_normalise_data $type $data]
}; # macdnd::_normalise_data

# ----------------------------------------------------------------------------
#  Command macdnd::_platform_specific_type
# ----------------------------------------------------------------------------
proc macdnd::_platform_specific_type { type } {
  switch $type {
    DND_Text   {return [list NSStringPboardType]}
    DND_Files  {return [list NSFilenamesPboardType]}
    default    {return [list $type]}
  }
}; # macdnd::_platform_specific_type
proc xdnd::_platform_specific_type { type } {
  return [::tkdnd::macdnd::_platform_specific_type $type]
}; # xdnd::_platform_specific_type

# ----------------------------------------------------------------------------
#  Command macdnd::_platform_independent_type
# ----------------------------------------------------------------------------
proc macdnd::_platform_independent_type { type } {
  switch $type {
    NSStringPboardType      {return DND_Text}
    NSFilenamesPboardType   {return DND_Files}
    default                 {return [list $type]}
  }
}; # macdnd::_platform_independent_type
proc xdnd::_platform_independent_type { type } {
  return [::tkdnd::macdnd::_platform_independent_type $type]
}; # xdnd::_platform_independent_type

# ----------------------------------------------------------------------------
#  Command macdnd::_supported_type
# ----------------------------------------------------------------------------
proc macdnd::_supported_type { type } {
  return 1
}; # macdnd::_supported_type
proc xdnd::_supported_type { type } {
  return [::tkdnd::macdnd::_supported_type $type]
}; # xdnd::_supported_type

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