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Overview
Comment:Handle balloon over labelframe
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SHA3-256: 2970b5118fcfb744cb64d5e415ca1e600a353efbae18a61fe4546163a2699766
User & Date: peter 2018-05-21 15:45:13
Context
2018-06-05
15:51
Working on shortcuts for preprocess dialog. check-in: 544eded01c user: peter tags: trunk
2018-05-21
15:45
Handle balloon over labelframe check-in: 2970b5118f user: peter tags: trunk
2018-05-14
22:41
Added changeset tool to fourway check-in: f73bd4abeb user: peter tags: trunk
Changes
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Changes to eskil.vfs/lib/psballoon/psballoon.tcl.

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#----------------------------------------------------------------------
#
#  psballoon.tcl,
#   Procedures to create help message balloons or display balloons for
#   listboxes and labels that can't display all of their contents.
#
#  Copyright (c) 2003, Peter Spjuth  (peter.spjuth@space.se)
#
#  Permission is granted to use this code under the same terms as
#  for the Tcl core code.
#
#----------------------------------------------------------------------
# $Revision: 1.1 $
#----------------------------------------------------------------------
................................................................................
            if {$ix < 0} {
                set ix [string first " " $line]
                if {$ix < 0} {
                    # Just cut at 80
                    set ix 80
                }
            }
                
            if {$ix == 0} {
                set line [string trim $line]
            } else {
                lappend lines [string range $line 0 $ix-1]
                set line [string range $line $ix+1 end]
            }
        }
................................................................................
    set msg [lindex $args end]
    set args [lrange $args 0 end-1]

    # Request for formatting
    if {"-fmt" in $args && $msg ne ""} {
        set msg [Fmt $msg]
    }
    
    set c [winfo class $w]
    if {$msg == "" && $c != "Listbox" && $c != "Label"} {
        error "Missing message to balloon for $w ($c)"
    }
    set balloon(msg,$w) $msg
    bind $w <Enter> {
        set ::psballoon::balloon(pending) 1
................................................................................
        }
        # Fallback to something reasonable of font fails.
        if {$font eq ""} {
            set font TkDefaultFont
        }
        set ww [winfo width $w]
        set ih [winfo height $w]










        set ix 0
        set iy 0
        set create 1
        set msg $balloon(msg,$w)
        if {$msg == ""} {
            switch [winfo class $w] {
                Listbox {
................................................................................
                    foreach {ix iy iw ih} [$w bbox $i] {break}
                }
                Label {
                    set msg [$w cget -text]
		    set iw [Measure $font $msg]
                }
            }
            #Don't create a balloon if the text is fully visible.
            set create [expr {$iw > $ww - 8}]
        } else {
            if {[string index $msg 0] eq "\["} {
                set msg [subst -novariables -nobackslashes $msg]
            }
	    set iw [Measure $font $msg]
	}






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#----------------------------------------------------------------------
#
#  psballoon.tcl,
#   Procedures to create help message balloons or display balloons for
#   listboxes and labels that can't display all of their contents.
#
#  Copyright (c) 2003, Peter Spjuth  (peter.spjuth@gmail.com)
#
#  Permission is granted to use this code under the same terms as
#  for the Tcl core code.
#
#----------------------------------------------------------------------
# $Revision: 1.1 $
#----------------------------------------------------------------------
................................................................................
            if {$ix < 0} {
                set ix [string first " " $line]
                if {$ix < 0} {
                    # Just cut at 80
                    set ix 80
                }
            }

            if {$ix == 0} {
                set line [string trim $line]
            } else {
                lappend lines [string range $line 0 $ix-1]
                set line [string range $line $ix+1 end]
            }
        }
................................................................................
    set msg [lindex $args end]
    set args [lrange $args 0 end-1]

    # Request for formatting
    if {"-fmt" in $args && $msg ne ""} {
        set msg [Fmt $msg]
    }

    set c [winfo class $w]
    if {$msg == "" && $c != "Listbox" && $c != "Label"} {
        error "Missing message to balloon for $w ($c)"
    }
    set balloon(msg,$w) $msg
    bind $w <Enter> {
        set ::psballoon::balloon(pending) 1
................................................................................
        }
        # Fallback to something reasonable of font fails.
        if {$font eq ""} {
            set font TkDefaultFont
        }
        set ww [winfo width $w]
        set ih [winfo height $w]
        if {[winfo class $w] in {TLabelframe Labelframe}} {
            # Put it below the label, not the entire widget.
            # 1.5 font heights is a reasonable guess
            set fh [font metrics $font -linespace]
            set ih [expr {$fh * 3 /2 }]
            # Below cursor at least
            if {$ih <= $my} {
                set ih [expr {$my + 5}]
            }
        }
        set ix 0
        set iy 0
        set create 1
        set msg $balloon(msg,$w)
        if {$msg == ""} {
            switch [winfo class $w] {
                Listbox {
................................................................................
                    foreach {ix iy iw ih} [$w bbox $i] {break}
                }
                Label {
                    set msg [$w cget -text]
		    set iw [Measure $font $msg]
                }
            }
            # Don't create a balloon if the text is fully visible.
            set create [expr {$iw > $ww - 8}]
        } else {
            if {[string index $msg 0] eq "\["} {
                set msg [subst -novariables -nobackslashes $msg]
            }
	    set iw [Measure $font $msg]
	}