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author | hobbs <hobbs> | 2006-10-31 01:42:25 (GMT) |
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committer | hobbs <hobbs> | 2006-10-31 01:42:25 (GMT) |
commit | 397a2c9832bf618f26be267501cf49ab06a562ec (patch) | |
tree | 61d5e957eccfcba57b0dd27ebc73db085385834e /library/ttk/menubutton.tcl | |
parent | 18d330543869e240c2bd12fc9fbb8d5027f5cad6 (diff) | |
download | tk-397a2c9832bf618f26be267501cf49ab06a562ec.zip tk-397a2c9832bf618f26be267501cf49ab06a562ec.tar.gz tk-397a2c9832bf618f26be267501cf49ab06a562ec.tar.bz2 |
* doc/ttk_Geometry.3, doc/ttk_Theme.3, doc/ttk_button.n:
* doc/ttk_checkbutton.n, doc/ttk_combobox.n, doc/ttk_dialog.n:
* doc/ttk_entry.n, doc/ttk_frame.n, doc/ttk_image.n:
* doc/ttk_intro.n, doc/ttk_label.n, doc/ttk_labelframe.n:
* doc/ttk_menubutton.n, doc/ttk_notebook.n, doc/ttk_panedwindow.n:
* doc/ttk_progressbar.n, doc/ttk_radiobutton.n, doc/ttk_scrollbar.n:
* doc/ttk_separator.n, doc/ttk_sizegrip.n, doc/ttk_style.n:
* doc/ttk_treeview.n, doc/ttk_widget.n,:
* generic/ttk/ttk.decls, generic/ttk/ttkBlink.c:
* generic/ttk/ttkButton.c, generic/ttk/ttkCache.c:
* generic/ttk/ttkClamTheme.c, generic/ttk/ttkClassicTheme.c:
* generic/ttk/ttkDecls.h, generic/ttk/ttkDefaultTheme.c:
* generic/ttk/ttkElements.c, generic/ttk/ttkEntry.c:
* generic/ttk/ttkFrame.c, generic/ttk/ttkImage.c:
* generic/ttk/ttkInit.c, generic/ttk/ttkLabel.c:
* generic/ttk/ttkLayout.c, generic/ttk/ttkManager.c:
* generic/ttk/ttkManager.h, generic/ttk/ttkNotebook.c:
* generic/ttk/ttkPanedwindow.c, generic/ttk/ttkProgress.c:
* generic/ttk/ttkScale.c, generic/ttk/ttkScroll.c:
* generic/ttk/ttkScrollbar.c, generic/ttk/ttkSeparator.c:
* generic/ttk/ttkSquare.c, generic/ttk/ttkState.c:
* generic/ttk/ttkStubInit.c, generic/ttk/ttkStubLib.c:
* generic/ttk/ttkTagSet.c, generic/ttk/ttkTheme.c:
* generic/ttk/ttkTheme.h, generic/ttk/ttkThemeInt.h:
* generic/ttk/ttkTrace.c, generic/ttk/ttkTrack.c:
* generic/ttk/ttkTreeview.c, generic/ttk/ttkWidget.c:
* generic/ttk/ttkWidget.h:
* library/demos/ttk_demo.tcl, library/demos/ttk_iconlib.tcl:
* library/demos/ttk_repeater.tcl:
* library/ttk/altTheme.tcl, library/ttk/aquaTheme.tcl:
* library/ttk/button.tcl, library/ttk/clamTheme.tcl:
* library/ttk/classicTheme.tcl, library/ttk/combobox.tcl:
* library/ttk/cursors.tcl, library/ttk/defaults.tcl:
* library/ttk/dialog.tcl, library/ttk/entry.tcl:
* library/ttk/fonts.tcl, library/ttk/icons.tcl:
* library/ttk/keynav.tcl, library/ttk/menubutton.tcl:
* library/ttk/notebook.tcl, library/ttk/panedwindow.tcl:
* library/ttk/progress.tcl, library/ttk/scale.tcl:
* library/ttk/scrollbar.tcl, library/ttk/sizegrip.tcl:
* library/ttk/treeview.tcl, library/ttk/ttk.tcl:
* library/ttk/utils.tcl, library/ttk/winTheme.tcl:
* library/ttk/xpTheme.tcl:
* macosx/ttkMacOSXTheme.c:
* tests/ttk/all.tcl, tests/ttk/bwidget.test, tests/ttk/combobox.test:
* tests/ttk/entry.test, tests/ttk/image.test:
* tests/ttk/labelframe.test, tests/ttk/layout.test:
* tests/ttk/misc.test, tests/ttk/notebook.test:
* tests/ttk/panedwindow.test, tests/ttk/progressbar.test:
* tests/ttk/scrollbar.test, tests/ttk/treetags.test:
* tests/ttk/treeview.test, tests/ttk/ttk.test, tests/ttk/validate.test:
* win/ttkWinMonitor.c, win/ttkWinTheme.c, win/ttkWinXPTheme.c:
First import of Ttk themed Tk widgets as branched from tile 0.7.8
* generic/tkInt.h, generic/tkWindow.c: add Ttk_Init call, copy
tk classic widgets to ::tk namespace.
* library/tk.tcl: add source of ttk/ttk.tcl, define $::ttk::library.
* unix/Makefile.in, win/Makefile.in: add Ttk build bits
* win/configure, win/configure.in: check for uxtheme.h (XP theme).
Diffstat (limited to 'library/ttk/menubutton.tcl')
-rw-r--r-- | library/ttk/menubutton.tcl | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/library/ttk/menubutton.tcl b/library/ttk/menubutton.tcl new file mode 100644 index 0000000..fec276e --- /dev/null +++ b/library/ttk/menubutton.tcl @@ -0,0 +1,171 @@ +# +# $Id: menubutton.tcl,v 1.1 2006/10/31 01:42:27 hobbs Exp $ +# +# Bindings for Menubuttons. +# +# Menubuttons have three interaction modes: +# +# Pulldown: Press menubutton, drag over menu, release to activate menu entry +# Popdown: Click menubutton to post menu +# Keyboard: <Key-space> or accelerator key to post menu +# +# (In addition, when menu system is active, "dropdown" -- menu posts +# on mouse-over. Ttk menubuttons don't implement this). +# +# For keyboard and popdown mode, we hand off to tk_popup and let +# the built-in Tk bindings handle the rest of the interaction. +# +# ON X11: +# +# Standard Tk menubuttons use a global grab on the menubutton. +# This won't work for Ttk menubuttons in pulldown mode, +# since we need to process the final <ButtonRelease> event, +# and this might be delivered to the menu. So instead we +# rely on the passive grab that occurs on <ButtonPress> events, +# and transition to popdown mode when the mouse is released +# or dragged outside the menubutton. +# +# ON WINDOWS: +# +# I'm not sure what the hell is going on here. [$menu post] apparently +# sets up some kind of internal grab for native menus. +# On this platform, just use [tk_popup] for all menu actions. +# +# ON MACOS: +# +# Same probably applies here. +# + +namespace eval ttk { + namespace eval menubutton { + variable State + array set State { + pulldown 0 + oldcursor {} + } + } +} + +bind TMenubutton <Enter> { %W instate !disabled {%W state active } } +bind TMenubutton <Leave> { %W state !active } +bind TMenubutton <Key-space> { ttk::menubutton::Popdown %W } +bind TMenubutton <<Invoke>> { ttk::menubutton::Popdown %W } + +if {[tk windowingsystem] eq "x11"} { + bind TMenubutton <ButtonPress-1> { ttk::menubutton::Pulldown %W } + bind TMenubutton <ButtonRelease-1> { ttk::menubutton::TransferGrab %W } + bind TMenubutton <B1-Leave> { ttk::menubutton::TransferGrab %W } +} else { + bind TMenubutton <ButtonPress-1> \ + { %W state pressed ; ttk::menubutton::Popdown %W } + bind TMenubutton <ButtonRelease-1> \ + { %W state !pressed } +} + +# PostPosition -- +# Returns the x and y coordinates where the menu +# should be posted, based on the menubutton and menu size +# and -direction option. +# +# TODO: adjust menu width to be at least as wide as the button +# for -direction above, below. +# +proc ttk::menubutton::PostPosition {mb menu} { + set x [winfo rootx $mb] + set y [winfo rooty $mb] + set dir [$mb cget -direction] + + set bw [winfo width $mb] + set bh [winfo height $mb] + set mw [winfo reqwidth $menu] + set mh [winfo reqheight $menu] + set sw [expr {[winfo screenwidth $menu] - $bw - $mw}] + set sh [expr {[winfo screenheight $menu] - $bh - $mh}] + + switch -- $dir { + above { if {$y >= $mh} { incr y -$mh } { incr y $bh } } + below { if {$y <= $sh} { incr y $bh } { incr y -$mh } } + left { if {$x >= $mw} { incr x -$mw } { incr x $bw } } + right { if {$x <= $sw} { incr x $bw } { incr x -$mw } } + flush { + # post menu atop menubutton. + # If there's a menu entry whose label matches the + # menubutton -text, assume this is an optionmenu + # and place that entry over the menubutton. + set index [FindMenuEntry $menu [$mb cget -text]] + if {$index ne ""} { + incr y -[$menu yposition $index] + } + } + } + + return [list $x $y] +} + +# Popdown -- +# Post the menu and set a grab on the menu. +# +proc ttk::menubutton::Popdown {mb} { + if {[$mb instate disabled] || [set menu [$mb cget -menu]] eq ""} { + return + } + foreach {x y} [PostPosition $mb $menu] { break } + tk_popup $menu $x $y +} + +# Pulldown (X11 only) -- +# Called when Button1 is pressed on a menubutton. +# Posts the menu; a subsequent ButtonRelease +# or Leave event will set a grab on the menu. +# +proc ttk::menubutton::Pulldown {mb} { + variable State + if {[$mb instate disabled] || [set menu [$mb cget -menu]] eq ""} { + return + } + foreach {x y} [PostPosition $mb $menu] { break } + set State(pulldown) 1 + set State(oldcursor) [$mb cget -cursor] + + $mb state pressed + $mb configure -cursor [$menu cget -cursor] + $menu post $x $y + tk_menuSetFocus $menu +} + +# TransferGrab (X11 only) -- +# Switch from pulldown mode (menubutton has an implicit grab) +# to popdown mode (menu has an explicit grab). +# +proc ttk::menubutton::TransferGrab {mb} { + variable State + if {$State(pulldown)} { + $mb configure -cursor $State(oldcursor) + $mb state {!pressed !active} + set State(pulldown) 0 + + set menu [$mb cget -menu] + tk_popup $menu [winfo rootx $menu] [winfo rooty $menu] + } +} + +# FindMenuEntry -- +# Hack to support tk_optionMenus. +# Returns the index of the menu entry with a matching -label, +# -1 if not found. +# +proc ttk::menubutton::FindMenuEntry {menu s} { + set last [$menu index last] + if {$last eq "none"} { + return "" + } + for {set i 0} {$i <= $last} {incr i} { + if {![catch {$menu entrycget $i -label} label] + && ($label eq $s)} { + return $i + } + } + return "" +} + +#*EOF* |