OK, maybe this would help a little.
Launched JBuilder and did xprop and xwininfo on the "Tip of the Day"
dialog that appears first (greatly and incorrectly oversized)
Blackbox version is 0.65b2, X screen resolution is 1024x768 (24bit).
I did not move, resize or touch anything before doing these commands.
xprop on oversized "Tip of the Day"-dialog:
--------------------------------------------------------
_BLACKBOX_ATTRIBUTES(_BLACKBOX_ATTRIBUTES) = 0x50, 0x0, 0x0, 0x0, 0x1,
0x0, 0x0, 0x0, 0x0
WM_STATE(WM_STATE):
window state: Normal
icon window: 0x0
WM_TRANSIENT_FOR(WINDOW): window id # 0x1800021
_MOTIF_WM_MESSAGES(ATOM) = _MOTIF_WM_OFFSET
WM_PROTOCOLS(ATOM): protocols _MOTIF_WM_MESSAGES, WM_DELETE_WINDOW
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x6, 0xffffffff, 0x1, 0x3, 0x4ff82610
WM_CLIENT_LEADER(WINDOW): window id # 0x1800021
WM_LOCALE_NAME(STRING) = "no"
WM_CLASS(STRING) = "AWTdialog", "VendorShell"
WM_HINTS(WM_HINTS):
Client accepts input or input focus: True
Initial state is Normal State.
window id # of group leader: 0x1800021
WM_NORMAL_HINTS(WM_SIZE_HINTS):
program specified location: 278, 241
program specified size: 1054 by 743
window gravity: NorthWest
WM_CLIENT_MACHINE(STRING) = "gandalf.zeo-underground"
WM_NAME(STRING) = "Tip of the Day"
xwininfo on oversized "Tip of the Day" dialog:
------------------------------------------------------------
xwininfo: Window id: 0x1800026 "Tip of the Day"
Absolute upper-left X: 278
Absolute upper-left Y: 241
Relative upper-left X: 0
Relative upper-left Y: 0
Width: 1054
Height: 743
Depth: 24
Visual Class: TrueColor
Border width: 0
Class: InputOutput
Colormap: 0x20 (installed)
Bit Gravity State: ForgetGravity
Window Gravity State: NorthWestGravity
Backing Store State: NotUseful
Save Under State: yes
Map State: IsViewable
Override Redirect State: no
Corners: +278+241 --308+241 --308--216 +278--216
-geometry 1054x743+277+220
---
�S.