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[/] [or1k/] [trunk/] [insight/] [tix/] [library/] [DialogS.tcl] - Blame information for rev 1774

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# DialogS.tcl --
#
#
#       Implements the DialogShell widget. It tells the window
#       manager that it is a dialog window and should be treated specially.
#       The exact treatment depends on the treatment of the window
#       manager
#
# Copyright (c) 1994-1996, Expert Interface Technologies
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
 
tixWidgetClass tixDialogShell {
    -superclass tixShell
    -classname  TixDialogShell
    -method {
        popdown popup center
    }
    -flag   {
        -mapped -minheight -minwidth -parent -transient
    }
    -static {}
    -configspec {
        {-mapped mapped Mapped 0}
        {-minwidth minWidth MinWidth 0}
        {-minheight minHeight MinHeight 0}
        {-transient transient Transient true}
        {-parent parent Parent ""}
    }
}
 
#----------------------------------------------------------------------
#               Construct widget
#----------------------------------------------------------------------
 
proc tixDialogShell:ConstructWidget {w} {
    upvar #0 $w data
 
    tixChainMethod $w ConstructWidget
 
    # Set the title of this shell appropriately
    #
    if {$data(-title) == ""} {
        # dynamically sets the title
        #
        set data(-title) [winfo name $w]
    }
    wm title $w $data(-title)
 
    # Set the parent of this dialog shell
    #
    if {$data(-parent) == ""} {
        set data(-parent) [winfo parent $w]
    }
 
    # Set the minsize and maxsize of the thing
    #
    wm minsize $w $data(-minwidth) $data(-minheight)
}
 
# The next procedures manage the dialog boxes
#
proc tixDialogShell:popup {w {parent ""}} {
    upvar #0 $w data
 
    # First update to make sure the boxes are the right size
    #
    update idletask
 
    # Then we set the position and update
    #
    tixDialogShell:center $w $parent
 
    # and now make it visible. Viola!  Centered over parent.
    #
    wm deiconify $w
}
 
# This procedure centers a dialog box over a window making sure that the 
# dialog box doesn't appear off the screen
#
# However, if the parent is smaller than this dialog, make this dialog
# appear at parent(x,y) + (20,20)
#
proc tixDialogShell:center {w {parent ""}} {
    upvar #0 $w data
 
    # Tell the WM that we'll do this ourselves.
    wm sizefrom $w user
    wm positionfrom $w user
 
    if {$parent == ""} {
        set parent $data(-parent)
    }
    if [catch {set parent [winfo toplevel $parent]}] {
        set parent "."
    }
 
    # Where is my parent and what are it's dimensions
    #
    if {$parent != ""} {
        set pargeo [split [wm geometry $parent] "+x"]
        set parentW [lindex $pargeo 0]
        set parentH [lindex $pargeo 1]
        set parx [lindex $pargeo 2]
        set pary [lindex $pargeo 3]
 
        if {[tixGetBoolean -nocomplain $data(-transient)]} {
            wm transient $w $parent
        }
    } else {
        set parentW [winfo screenwidth $w]
        set parentH [winfo screenheight $w]
        set parx 0
        set pary 0
        set parent [winfo parent $w]
    }
 
    # What are is the offset of the virtual window
    set vrootx [winfo vrootx $parent]
    set vrooty [winfo vrooty $parent]
 
    # What are my dimensions ?
    set dialogW [winfo reqwidth $w]
    set dialogH [winfo reqheight $w]
 
    if {$dialogW < [expr $parentW-30] || $dialogW < [expr $parentH-30]} {
        set dialogx [expr $parx+($parentW-$dialogW)/2+$vrootx]
        set dialogy [expr $pary+($parentH-$dialogH)/2+$vrooty]
    } else {
        # This dialog is too big. Place it at (parentx, parenty) + (20,20)
        #
        set dialogx [expr $parx+20+$vrootx]
        set dialogy [expr $pary+20+$vrooty]
    }
 
    set maxx [expr "[winfo screenwidth  $parent] - $dialogW"]
    set maxy [expr "[winfo screenheight $parent] - $dialogH"]
 
    # Make sure it doesn't go off screen
    #
    if {$dialogx < 0} {
        set dialogx 0
    } else {
        if {$dialogx > $maxx} {
            set dialogx $maxx
        }
    }
    if {$dialogy < 0} {
        set dialogy 0
    } else {
        if {$dialogy > $maxy} {
            set dialogy $maxy
        }
    }
 
    # set my new position (and dimensions)
    #
    if {[wm geometry $w] == "1x1+0+0"} {
        wm geometry $w $dialogW\x$dialogH\+$dialogx\+$dialogy
    }
}
 
proc tixDialogShell:popdown {w args} {
    wm withdraw $w
}
 

Line No.	Rev	Author	Line
1	578	markom	`# DialogS.tcl --`
2			`#`
3			`#`
4			`# Implements the DialogShell widget. It tells the window`
5			`# manager that it is a dialog window and should be treated specially.`
6			`# The exact treatment depends on the treatment of the window`
7			`# manager`
8			`#`
9			`# Copyright (c) 1994-1996, Expert Interface Technologies`
10			`#`
11			`# See the file "license.terms" for information on usage and redistribution`
12			`# of this file, and for a DISCLAIMER OF ALL WARRANTIES.`
13			`#`
14
15			`tixWidgetClass tixDialogShell {`
16			`-superclass tixShell`
17			`-classname TixDialogShell`
18			`-method {`
19			`popdown popup center`
20			`}`
21			`-flag {`
22			`-mapped -minheight -minwidth -parent -transient`
23			`}`
24			`-static {}`
25			`-configspec {`
26			`{-mapped mapped Mapped 0}`
27			`{-minwidth minWidth MinWidth 0}`
28			`{-minheight minHeight MinHeight 0}`
29			`{-transient transient Transient true}`
30			`{-parent parent Parent ""}`
31			`}`
32			`}`
33
34			`#----------------------------------------------------------------------`
35			`# Construct widget`
36			`#----------------------------------------------------------------------`
37
38			`proc tixDialogShell:ConstructWidget {w} {`
39			`upvar #0 $w data`
40
41			`tixChainMethod $w ConstructWidget`
42
43			`# Set the title of this shell appropriately`
44			`#`
45			`if {$data(-title) == ""} {`
46			`# dynamically sets the title`
47			`#`
48			`set data(-title) [winfo name $w]`
49			`}`
50			`wm title $w $data(-title)`
51
52			`# Set the parent of this dialog shell`
53			`#`
54			`if {$data(-parent) == ""} {`
55			`set data(-parent) [winfo parent $w]`
56			`}`
57
58			`# Set the minsize and maxsize of the thing`
59			`#`
60			`wm minsize $w $data(-minwidth) $data(-minheight)`
61			`}`
62
63			`# The next procedures manage the dialog boxes`
64			`#`
65			`proc tixDialogShell:popup {w {parent ""}} {`
66			`upvar #0 $w data`
67
68			`# First update to make sure the boxes are the right size`
69			`#`
70			`update idletask`
71
72			`# Then we set the position and update`
73			`#`
74			`tixDialogShell:center $w $parent`
75
76			`# and now make it visible. Viola! Centered over parent.`
77			`#`
78			`wm deiconify $w`
79			`}`
80
81			`# This procedure centers a dialog box over a window making sure that the`
82			`# dialog box doesn't appear off the screen`
83			`#`
84			`# However, if the parent is smaller than this dialog, make this dialog`
85			`# appear at parent(x,y) + (20,20)`
86			`#`
87			`proc tixDialogShell:center {w {parent ""}} {`
88			`upvar #0 $w data`
89
90			`# Tell the WM that we'll do this ourselves.`
91			`wm sizefrom $w user`
92			`wm positionfrom $w user`
93
94			`if {$parent == ""} {`
95			`set parent $data(-parent)`
96			`}`
97			`if [catch {set parent [winfo toplevel $parent]}] {`
98			`set parent "."`
99			`}`
100
101			`# Where is my parent and what are it's dimensions`
102			`#`
103			`if {$parent != ""} {`
104			`set pargeo [split [wm geometry $parent] "+x"]`
105			`set parentW [lindex $pargeo 0]`
106			`set parentH [lindex $pargeo 1]`
107			`set parx [lindex $pargeo 2]`
108			`set pary [lindex $pargeo 3]`
109
110			`if {[tixGetBoolean -nocomplain $data(-transient)]} {`
111			`wm transient $w $parent`
112			`}`
113			`} else {`
114			`set parentW [winfo screenwidth $w]`
115			`set parentH [winfo screenheight $w]`
116			`set parx 0`
117			`set pary 0`
118			`set parent [winfo parent $w]`
119			`}`
120
121			`# What are is the offset of the virtual window`
122			`set vrootx [winfo vrootx $parent]`
123			`set vrooty [winfo vrooty $parent]`
124
125			`# What are my dimensions ?`
126			`set dialogW [winfo reqwidth $w]`
127			`set dialogH [winfo reqheight $w]`
128
129			`if {$dialogW < [expr $parentW-30] \|\| $dialogW < [expr $parentH-30]} {`
130			`set dialogx [expr $parx+($parentW-$dialogW)/2+$vrootx]`
131			`set dialogy [expr $pary+($parentH-$dialogH)/2+$vrooty]`
132			`} else {`
133			`# This dialog is too big. Place it at (parentx, parenty) + (20,20)`
134			`#`
135			`set dialogx [expr $parx+20+$vrootx]`
136			`set dialogy [expr $pary+20+$vrooty]`
137			`}`
138
139			`set maxx [expr "[winfo screenwidth $parent] - $dialogW"]`
140			`set maxy [expr "[winfo screenheight $parent] - $dialogH"]`
141
142			`# Make sure it doesn't go off screen`
143			`#`
144			`if {$dialogx < 0} {`
145			`set dialogx 0`
146			`} else {`
147			`if {$dialogx > $maxx} {`
148			`set dialogx $maxx`
149			`}`
150			`}`
151			`if {$dialogy < 0} {`
152			`set dialogy 0`
153			`} else {`
154			`if {$dialogy > $maxy} {`
155			`set dialogy $maxy`
156			`}`
157			`}`
158
159			`# set my new position (and dimensions)`
160			`#`
161			`if {[wm geometry $w] == "1x1+0+0"} {`
162			`wm geometry $w $dialogW\x$dialogH\+$dialogx\+$dialogy`
163			`}`
164			`}`
165
166			`proc tixDialogShell:popdown {w args} {`
167			`wm withdraw $w`
168			`}`
169

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[/] [or1k/] [trunk/] [insight/] [tix/] [library/] [DialogS.tcl] - Blame information for rev 1774