diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/ttk/treeview.tcl | 20 | ||||
| -rw-r--r-- | library/ttk/utils.tcl | 62 |
2 files changed, 64 insertions, 18 deletions
diff --git a/library/ttk/treeview.tcl b/library/ttk/treeview.tcl index 3ccb746..a5ebcb2 100644 --- a/library/ttk/treeview.tcl +++ b/library/ttk/treeview.tcl @@ -1,4 +1,4 @@ -# $Id: treeview.tcl,v 1.2 2006/12/18 19:33:14 jenglish Exp $ +# $Id: treeview.tcl,v 1.3 2008/01/06 19:16:12 jenglish Exp $ # # ttk::treeview widget bindings and utilities. # @@ -56,13 +56,7 @@ bind Treeview <Shift-ButtonPress-1> \ bind Treeview <Control-ButtonPress-1> \ { ttk::treeview::Select %W %x %y toggle } -# Standard mousewheel bindings: -# -bind Treeview <MouseWheel> { %W yview scroll [expr {- (%D / 120) * 4}] units } -if {[string equal "x11" [tk windowingsystem]]} { - bind Treeview <ButtonPress-4> { %W yview scroll -5 units } - bind Treeview <ButtonPress-5> { %W yview scroll 5 units } -} +ttk::copyBindings TtkScrollable Treeview ### Binding procedures. # @@ -163,7 +157,7 @@ proc ttk::treeview::Select {w x y op} { } } -## DoubleClick -- Double-ButtonPress-1 binding. +## DoubleClick -- Double-ButtonPress-1 binding. # proc ttk::treeview::DoubleClick {w x y} { if {[set row [$w identify row $x $y]] ne ""} { @@ -261,7 +255,7 @@ proc ttk::treeview::heading.release {w} { # ## SelectOp $w $item [ choose | extend | toggle ] -- -# Dispatch to appropriate selection operation +# Dispatch to appropriate selection operation # depending on current value of -selectmode. # proc ttk::treeview::SelectOp {w item op} { @@ -282,10 +276,10 @@ proc ttk::treeview::select.extend.browse {w item} { BrowseTo $w $item } ## -selectmode multiple: # -proc ttk::treeview::select.choose.extended {w item} { +proc ttk::treeview::select.choose.extended {w item} { BrowseTo $w $item } -proc ttk::treeview::select.toggle.extended {w item} { +proc ttk::treeview::select.toggle.extended {w item} { $w selection toggle $item } proc ttk::treeview::select.extend.extended {w item} { @@ -304,7 +298,7 @@ proc ttk::treeview::select.extend.extended {w item} { # in preorder traversal order. $item1 and $item2 may be # in either order. # -# NOTES: +# NOTES: # This routine is O(N) in the size of the tree. # There's probably a way to do this that's O(N) in the number # of items returned, but I'm not clever enough to figure it out. diff --git a/library/ttk/utils.tcl b/library/ttk/utils.tcl index 1e277be..1de8ec8 100644 --- a/library/ttk/utils.tcl +++ b/library/ttk/utils.tcl @@ -1,5 +1,5 @@ # -# $Id: utils.tcl,v 1.5 2007/12/13 15:27:08 dgp Exp $ +# $Id: utils.tcl,v 1.6 2008/01/06 19:16:12 jenglish Exp $ # # Utilities for widget implementations. # @@ -48,7 +48,7 @@ proc ttk::clickToFocus {w} { # # See also: tk::FocusOK # -# Note: This routine doesn't implement the same fallback heuristics +# Note: This routine doesn't implement the same fallback heuristics # as tk::FocusOK. # proc ttk::takesFocus {w} { @@ -78,8 +78,8 @@ proc ttk::takesFocus {w} { # proc ttk::focusFirst {w} { - if {[ttk::takesFocus $w]} { - return $w + if {[ttk::takesFocus $w]} { + return $w } foreach child [winfo children $w] { if {[set c [ttk::focusFirst $child]] ne ""} { @@ -239,7 +239,7 @@ proc ttk::CancelRepeat {} { after cancel $Repeat(timer) } -### Miscellaneous. +### Bindings. # ## ttk::copyBindings $from $to -- @@ -251,4 +251,56 @@ proc ttk::copyBindings {from to} { } } +## Standard mousewheel bindings. +# +# Usage: [ttk::copyBindings TtkScrollable $bindtag] +# adds mousewheel support to a scrollable widget. +# +# Platform inconsistencies: +# +# On X11, the server typically maps the mouse wheel to Button4 and Button5. +# +# On OSX, Tk generates sensible values for the %D field in <MouseWheel> events. +# +# On Windows, %D must be scaled by a factor of 120. +# In addition, Tk redirects mousewheel events to the window with +# keyboard focus instead of sending them to the window under the pointer. +# We do not attempt to fix that here, see also TIP#171. +# +# OSX conventionally uses Shift+MouseWheel for horizontal scrolling, +# and Option+MouseWheel for accelerated scrolling. +# +# The Shift+MouseWheel behavior is not conventional on Windows or most +# X11 toolkits, but it's useful. +# +# MouseWheel scrolling is accelerated on X11, which is conventional +# for Tk and appears to be conventional for other toolkits (although +# Gtk+ and Qt do not appear to use as large a factor). +# + +switch -- [tk windowingsystem] { + x11 { + bind TtkScrollable <ButtonPress-4> { %W yview scroll -5 units } + bind TtkScrollable <ButtonPress-5> { %W yview scroll 5 units } + bind TtkScrollable <Shift-ButtonPress-4> { %W xview scroll -5 units } + bind TtkScrollable <Shift-ButtonPress-5> { %W xview scroll 5 units } + } + win32 { + bind TtkScrollable <MouseWheel> \ + { %W yview scroll [expr {-(%D/120)}] units } + bind TtkScrollable <Shift-MouseWheel> \ + { %W xview scroll [expr {-(%D/120)}] units } + } + aqua { + bind TtkScrollable <MouseWheel> \ + { %W yview scroll [expr {-(%D)}] units } + bind TtkScrollable <Shift-MouseWheel> \ + { %W xview scroll [expr {-(%D)}] units } + bind TtkScrollable <Option-MouseWheel> \ + { %W yview scroll [expr {-10*(%D)}] units } + bind TtkScrollable <Shift-Option-MouseWheel> \ + { %W xview scroll [expr {-10*(%D)}] units } + } +} + #*EOF* |