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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 {
proc initialise { } {
## Mapping from platform types to TkDND types...
::tkdnd::generic::initialise_platform_to_tkdnd_types [list \
NSPasteboardTypeString DND_Text \
NSFilenamesPboardType DND_Files \
NSPasteboardTypeHTML DND_HTML \
]
};# initialise
};# namespace macdnd
# ----------------------------------------------------------------------------
# Command macdnd::HandleEnter
# ----------------------------------------------------------------------------
proc macdnd::HandleEnter { path drag_source typelist { data {} } } {
variable _pressedkeys
variable _actionlist
set _pressedkeys 1
set _actionlist { copy move link ask private }
::tkdnd::generic::SetDroppedData $data
::tkdnd::generic::HandleEnter $path $drag_source $typelist $typelist \
$_actionlist $_pressedkeys
};# macdnd::HandleEnter
# ----------------------------------------------------------------------------
# Command macdnd::HandlePosition
# ----------------------------------------------------------------------------
proc macdnd::HandlePosition { drop_target rootX rootY {drag_source {}} } {
variable _pressedkeys
variable _last_mouse_root_x; set _last_mouse_root_x $rootX
variable _last_mouse_root_y; set _last_mouse_root_y $rootY
::tkdnd::generic::HandlePosition $drop_target $drag_source \
$_pressedkeys $rootX $rootY
};# macdnd::HandlePosition
# ----------------------------------------------------------------------------
# Command macdnd::HandleLeave
# ----------------------------------------------------------------------------
proc macdnd::HandleLeave { args } {
::tkdnd::generic::HandleLeave
};# macdnd::HandleLeave
# ----------------------------------------------------------------------------
# Command macdnd::HandleDrop
# ----------------------------------------------------------------------------
proc macdnd::HandleDrop { drop_target data args } {
variable _pressedkeys
variable _last_mouse_root_x
variable _last_mouse_root_y
## Get the dropped data...
::tkdnd::generic::SetDroppedData $data
::tkdnd::generic::HandleDrop {} {} $_pressedkeys \
$_last_mouse_root_x $_last_mouse_root_y 0
};# macdnd::HandleDrop
# ----------------------------------------------------------------------------
# Command macdnd::GetDragSourceCommonTypes
# ----------------------------------------------------------------------------
proc macdnd::GetDragSourceCommonTypes { } {
::tkdnd::generic::GetDragSourceCommonTypes
};# macdnd::GetDragSourceCommonTypes
# ----------------------------------------------------------------------------
# Command macdnd::platform_specific_types
# ----------------------------------------------------------------------------
proc macdnd::platform_specific_types { types } {
::tkdnd::generic::platform_specific_types $types
}; # macdnd::platform_specific_types
# ----------------------------------------------------------------------------
# Command macdnd::platform_specific_type
# ----------------------------------------------------------------------------
proc macdnd::platform_specific_type { type } {
::tkdnd::generic::platform_specific_type $type
}; # macdnd::platform_specific_type
# ----------------------------------------------------------------------------
# Command tkdnd::platform_independent_types
# ----------------------------------------------------------------------------
proc ::tkdnd::platform_independent_types { types } {
::tkdnd::generic::platform_independent_types $types
}; # tkdnd::platform_independent_types
# ----------------------------------------------------------------------------
# Command macdnd::platform_independent_type
# ----------------------------------------------------------------------------
proc macdnd::platform_independent_type { type } {
::tkdnd::generic::platform_independent_type $type
}; # macdnd::platform_independent_type
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