; (c)oded by Mr Brine
;
; Press tab/shift tab to iterate through the os objects
;
;
; User Libs
; =========
;
; .lib "user32.dll"
;
; GetFocus():"GetFocus"
;
test()
Function Test()
; create some test data
win = CreateWindow("tab test", 100, 100, 300, 300, 0)
tf = CreateTextField(0, 0, 100, 22, win)
ta = CreateTextArea(0, 30, 100, 70, win)
lb = CreateListBox(0, 110, 100, 100, win)
AddGadgetItem lb, "1", True
AddGadgetItem lb, "2"
AddGadgetItem lb, "3"
AddGadgetItem lb, "4"
bt = CreateButton("button", 110, 0, 100, 22, win)
cb = CreateButton("check", 110, 30, 100, 22, win, 2)
rd = CreateButton("radio", 110, 60, 100, 22, win, 3)
tv = CreateTreeView(110, 90, 100, 100, win)
t = AddTreeViewNode("1", TreeViewRoot(tv))
AddTreeViewNode("1-1", t)
AddTreeViewNode("1-2", t)
AddTreeViewNode("1-3", t)
; add gadgets to tab list
tablist = Tab_Add(0, tf)
tablist = Tab_Add(tablist, ta)
tablist = Tab_Add(tablist, lb)
tablist = Tab_Add(tablist, bt)
tablist = Tab_Add(tablist, cb)
tablist = Tab_Add(tablist, rd)
tablist = Tab_Add(tablist, tv)
; set up hot key events to scan for 'tab' & 'shift-tab'
; the event id's for the hotkeys can be any value
HotKeyEvent 15, 0, $8888
HotKeyEvent 15, 1, $8889
Repeat
WaitEvent()
Select EventID()
Case $8888
HotKeyEvent 15, 0, $8888 ; resinitialise hot key events
HotKeyEvent 15, 1, $8889
Tab_Process(tablist, 1) ; goto next os object in tab list
Case $8889
HotKeyEvent 15, 0, $8888 ; resinitialise hot key events
HotKeyEvent 15, 1, $8889
Tab_Process(tablist, -1) ; goto prev os object in tab list
Case $803
Exit
End Select
Forever
FreeBank tablist
FreeGadget win
End Function
; ----------------------------------------------------------------------------------------------------
; tablist = tab list (pass 0 if no tablist yet defined)
; oh = os object to assign to tablist
;
; returns a pointer to tablist
;
Function Tab_Add(tablist, oh)
If(oh <> 0)
If(tablist = 0)
tablist = CreateBank(4)
Else
ResizeBank tablist, BankSize(tablist) + 4
End If
PokeInt tablist, BankSize(tablist) - 4, oh
End If
Return tablist
End Function
; tablist - tablist to work from
; dir - direction tabber to go
;
Function Tab_Process(tablist, dir)
If(tablist = 0) Return
If(BankSize(tablist) = 0) Return
Local lo = 0
While lo < BankSize(tablist)
If(QueryObject(PeekInt(tablist, lo), 1) = GetFocus()) Exit
lo = lo + 4
Wend
If(lo => BankSize(tablist))
lo = 0 ; current focus not in tab list
Else
lo = lo + dir * 4 ; current focus is in tab list
End If
While lo < 0
lo = lo + BankSize(tablist)
Wend
lo = lo Mod BankSize(tablist)
ActivateGadget PeekInt(tablist, lo)
End Function |
