diff options
Diffstat (limited to 'library/clrpick.tcl')
| -rw-r--r-- | library/clrpick.tcl | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/library/clrpick.tcl b/library/clrpick.tcl index 092915c..600be16 100644 --- a/library/clrpick.tcl +++ b/library/clrpick.tcl @@ -12,7 +12,7 @@ # # (1): Find out how many free colors are left in the colormap and # don't allocate too many colors. -# (2): Implement HSV color selection. +# (2): Implement HSV color selection. # # Make sure namespaces exist @@ -54,11 +54,11 @@ proc ::tk::dialog::color:: {args} { set data(BARS_WIDTH) 160 # PLGN_WIDTH is the number of pixels wide of the triangular selection - # polygon. This also results in the definition of the padding on the + # polygon. This also results in the definition of the padding on the # left and right sides which is half of PLGN_WIDTH. Make this number even. set data(PLGN_HEIGHT) 10 - # PLGN_HEIGHT is the height of the selection polygon and the height of the + # PLGN_HEIGHT is the height of the selection polygon and the height of the # selection rectangle at the bottom of the color bar. No restrictions. set data(PLGN_WIDTH) 10 @@ -190,11 +190,13 @@ proc ::tk::dialog::color::Config {dataName argList} { set data(-title) " " } if {[catch {winfo rgb . $data(-initialcolor)} err]} { - error $err + return -code error -errorcode [list TK LOOKUP COLOR $data(-initialcolor)] \ + $err } if {![winfo exists $data(-parent)]} { - error "bad window path name \"$data(-parent)\"" + return -code error -errorcode [list TK LOOKUP WINDOW $data(-parent)] \ + "bad window path name \"$data(-parent)\"" } } @@ -326,7 +328,7 @@ proc ::tk::dialog::color::BuildDialog {w} { # Sets the current selection of the dialog box # proc ::tk::dialog::color::SetRGBValue {w color} { - upvar ::tk::dialog::color::[winfo name $w] data + upvar ::tk::dialog::color::[winfo name $w] data set data(red,intensity) [lindex $color 0] set data(green,intensity) [lindex $color 1] @@ -366,7 +368,7 @@ proc ::tk::dialog::color::RgbToX {w color} { } # ::tk::dialog::color::DrawColorScale -- -# +# # Draw color scale is called whenever the size of one of the color # scale canvases is changed. # @@ -505,7 +507,7 @@ proc ::tk::dialog::color::RedrawColorBars {w colorChanged} { upvar ::tk::dialog::color::[winfo name $w] data switch $colorChanged { - red { + red { DrawColorScale $w green DrawColorScale $w blue } @@ -535,7 +537,7 @@ proc ::tk::dialog::color::RedrawColorBars {w colorChanged} { # Handles a mousedown button event over the selector polygon. # Adds the bindings for moving the mouse while the button is # pressed. Sets the binding for the button-release event. -# +# # Params: sel is the selector canvas window, color is the color of the strip. # proc ::tk::dialog::color::StartMove {w sel color x delta {dontMove 0}} { @@ -547,7 +549,7 @@ proc ::tk::dialog::color::StartMove {w sel color x delta {dontMove 0}} { } # ::tk::dialog::color::MoveSelector -- -# +# # Moves the polygon selector so that its middle point has the same # x value as the specified x. If x is outside the bounds [0,255], # the selector is set to the closest endpoint. @@ -581,7 +583,7 @@ proc ::tk::dialog::color::MoveSelector {w sel color x delta} { # x is the x-coord of the mouse. # proc ::tk::dialog::color::ReleaseMouse {w sel color x delta} { - upvar ::tk::dialog::color::[winfo name $w] data + upvar ::tk::dialog::color::[winfo name $w] data set x [MoveSelector $w $sel $color $x $delta] @@ -600,7 +602,7 @@ proc ::tk::dialog::color::ResizeColorBars {w} { upvar ::tk::dialog::color::[winfo name $w] data if { - ($data(BARS_WIDTH) < $data(NUM_COLORBARS)) || + ($data(BARS_WIDTH) < $data(NUM_COLORBARS)) || (($data(BARS_WIDTH) % $data(NUM_COLORBARS)) != 0) } then { set data(BARS_WIDTH) $data(NUM_COLORBARS) @@ -658,7 +660,7 @@ proc ::tk::dialog::color::HandleRGBEntry {w} { SetRGBValue $w "$data(red,intensity) \ $data(green,intensity) $data(blue,intensity)" -} +} # mouse cursor enters a color bar # |