blob: f167b00ca6decd173bf09666e49d4cb23fdc695d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
#
# $Id: sizegrip.tcl,v 1.1.4.1 2009/12/23 04:30:51 jenglish Exp $
#
# Ttk widget set -- sizegrip widget bindings.
#
# Dragging a sizegrip widget resizes the containing toplevel.
#
# NOTE: the sizegrip widget must be in the lower right hand corner.
#
option add *TSizegrip.cursor $::ttk::Cursors(seresize)
namespace eval ttk::sizegrip {
variable State
array set State {
pressed 0
pressX 0
pressY 0
width 0
height 0
widthInc 1
heightInc 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
set top [winfo toplevel $W]
# 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 [expr {$State(width) + ($X - $State(pressX))/$State(widthInc)}]
set h [expr {$State(height) + ($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*
|
