diff options
Diffstat (limited to 'systems/texlive/tlnet/tlpkg/tltcl/lib/tk8.6/ttk/sizegrip.tcl')
-rw-r--r-- | systems/texlive/tlnet/tlpkg/tltcl/lib/tk8.6/ttk/sizegrip.tcl | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/systems/texlive/tlnet/tlpkg/tltcl/lib/tk8.6/ttk/sizegrip.tcl b/systems/texlive/tlnet/tlpkg/tltcl/lib/tk8.6/ttk/sizegrip.tcl new file mode 100644 index 0000000000..24a67c6286 --- /dev/null +++ b/systems/texlive/tlnet/tlpkg/tltcl/lib/tk8.6/ttk/sizegrip.tcl @@ -0,0 +1,102 @@ +# +# Sizegrip widget bindings. +# +# Dragging a sizegrip widget resizes the containing toplevel. +# +# NOTE: the sizegrip widget must be in the lower right hand corner. +# + +switch -- [tk windowingsystem] { + x11 - + win32 { + option add *TSizegrip.cursor [ttk::cursor seresize] widgetDefault + } + aqua { + # Aqua sizegrips use default Arrow cursor. + } +} + +namespace eval ttk::sizegrip { + variable State + array set State { + pressed 0 + pressX 0 + pressY 0 + width 0 + height 0 + widthInc 1 + heightInc 1 + resizeX 1 + resizeY 1 + toplevel {} + } +} + +bind TSizegrip <ButtonPress-1> { ttk::sizegrip::Press %W %X %Y } +bind TSizegrip <B1-Motion> { ttk::sizegrip::Drag %W %X %Y } +bind TSizegrip <ButtonRelease-1> { ttk::sizegrip::Release %W %X %Y } + +proc ttk::sizegrip::Press {W X Y} { + variable State + + if {[$W instate disabled]} { return } + + set top [winfo toplevel $W] + + # If the toplevel is not resizable then bail + foreach {State(resizeX) State(resizeY)} [wm resizable $top] break + if {!$State(resizeX) && !$State(resizeY)} { + return + } + + # Sanity-checks: + # If a negative X or Y position was specified for [wm geometry], + # just bail out -- there's no way to handle this cleanly. + # + if {[scan [wm geometry $top] "%dx%d+%d+%d" width height x y] != 4} { + return; + } + + # Account for gridded geometry: + # + set grid [wm grid $top] + if {[llength $grid]} { + set State(widthInc) [lindex $grid 2] + set State(heightInc) [lindex $grid 3] + } else { + set State(widthInc) [set State(heightInc) 1] + } + + set State(toplevel) $top + set State(pressX) $X + set State(pressY) $Y + set State(width) $width + set State(height) $height + set State(x) $x + set State(y) $y + set State(pressed) 1 +} + +proc ttk::sizegrip::Drag {W X Y} { + variable State + if {!$State(pressed)} { return } + set w $State(width) + set h $State(height) + if {$State(resizeX)} { + set w [expr {$w + ($X - $State(pressX))/$State(widthInc)}] + } + if {$State(resizeY)} { + set h [expr {$h + ($Y - $State(pressY))/$State(heightInc)}] + } + if {$w <= 0} { set w 1 } + if {$h <= 0} { set h 1 } + set x $State(x) ; set y $State(y) + wm geometry $State(toplevel) ${w}x${h}+${x}+${y} +} + +proc ttk::sizegrip::Release {W X Y} { + variable State + set State(pressed) 0 +} + +#*EOF* |