; foldable menus for B+ by Wiebo
; how to use: create a window, add a menu, add panels to menu, add your gadgets to subpanels
main = CreateWindow ("Fold me", 0,0, 400, 400)
; window, panel amount, [rightside]
menu.collapse = CreateMainMenu ( main, 3, FALSE )
; menu, ysize, index, state, title$, titlestringlength
AddPanelToMenu( menu, 200, 1, OPEN, " Menu 1 ", 50 )
AddPanelToMenu( menu, 100, 2, OPEN, " Menu 2 ", 50 )
AddPanelToMenu( menu, 100, 3, OPEN, " Menu 3 ", 50 )
a = CreateButton( "Button 1", 25,25,50,25, menu\subpanel[1],0)
SetGadgetLayout a, 1,0,1,0
a = CreateButton( "Button 2", 25,25,50,25, menu\subpanel[2],0)
SetGadgetLayout a, 1,0,1,0
a = CreateButton( "Button 3", 25,25,50,25, menu\subpanel[3],0)
SetGadgetLayout a, 1,0,1,0
RedrawMenu( menu )
Repeat
id = WaitEvent()
Select id
Case $201 ; mouse down
Select EventSource()
Case menu\panel[1]
menu\state[1] = Not menu\state[1]
RedrawMenu( menu )
Case menu\panel[2]
menu\state[2] = Not menu\state[2]
RedrawMenu( menu )
Case menu\panel[3]
menu\state[3] = Not menu\state[3]
RedrawMenu( menu )
End Select
Case $101
Select EventData()
Case 1
End
End Select
End Select
Forever
; -------------------------------------------------------
Const OPEN = 0
Const CLOSED = 1
Const MENUWIDTH = 198;214
Const MAXPANELS = 10
Type Collapse
Field MainPanel ; main panel to attach subpanels to goes here
Field MainWidth ; width of main panel
Field MainSlider ; slider attached to main panel
Field Rightside ; true or false. false means panel is drawn at left side of window
Field MainParent ; parent window
Field PanelAmount ; amount of actiual panels in menu
Field Panel[MAXPANELS] ; resizeable panels
Field SubPanel[MAXPANELS] ; add your GADGETS to this panel
Field Label[MAXPANELS] ; name to display
Field State[MAXPANELS] ; open or closed
Field Ysize[MAXPANELS] ; size when opened
End Type
; -------------------------------------------
Function CreateMainMenu.collapse( window, amount, rightside = TRUE )
If amount > 0 And amount <= MAXPANELS
; attach a menu bar to the correct side of a window
collapse.collapse = New collapse
collapse\MainParent = window
collapse\MainWidth = MENUWIDTH
collapse\PanelAmount = amount
collapse\Rightside = rightside
collapse\MainPanel = CreatePanel ( 0, 0, MENUWIDTH+16, 10, window )
; determine position
If rightside = TRUE
SetGadgetLayout collapse\MainPanel, 0,1,1,0
collapse\MainSlider = CreateSlider ( ClientWidth( window )-16, 0, 16, ClientHeight( window ), window, 2 )
SetGadgetLayout collapse\MainSlider, 0,1,1,1
Else
SetGadgetLayout collapse\MainPanel, 1,0,1,0
collapse\MainSlider = CreateSlider ( 0, 0, 16, ClientHeight( window ), window, 2 )
SetGadgetLayout collapse\MainSlider, 1,0,1,1
EndIf
; SetPanelColor collapse\MainPanel, 255,0,255 ; indication of main panel
Return collapse
Else
RuntimeError "Use index 1 to " + MAXPANELS + "!"
EndIf
End Function
Function AddPanelToMenu( c.collapse, height, index, state, name$, length )
If index > 0 And index <= c\panelamount
c\Panel[index] = CreatePanel ( 0, 0, c\MainWidth, 10, c\MainPanel, 1 )
SetGadgetLayout c\Panel[index], 1,1,1,1
SetPanelColor c\panel[index], 190,190,190 ; click on this panel to open or close menu
c\SubPanel[index] = CreatePanel ( 0, 10, c\MainWidth, height, c\Panel[index],0 )
SetGadgetLayout c\SubPanel[index], 1,1,1,1
c\Ysize[index] = height + 8
c\State[index] = state
If state = CLOSED Then HideGadget c\SubPanel[index]
c\Label[index] = CreateLabel ( name$, 24, 0, length, 15, c\MainPanel, 2 )
SetGadgetLayout c\Label[index], 1,0,1,0
Else
RuntimeError "Use index 1 to " + c\panelamount + "!"
EndIf
End Function
Function RedrawMenu( c.collapse )
; get vertical size of menu and adjust main panel
ysize = 8
For count = 1 To c\panelamount
If c\state[count] = CLOSED
ysize = ysize + 10
Else
ysize = ysize + c\Ysize[count]
EndIf
ysize = ysize + 16
Next
If c\rightside = TRUE
SetGadgetShape c\MainPanel, ClientWidth( c\mainparent )-32-MENUWIDTH, 0, MENUWIDTH+16, ysize
Else
SetGadgetShape c\MainPanel, 16, 0, MENUWIDTH+16, ysize
EndIf
; organise panel vertical positions
Ypos = 8
For index = 1 To c\panelamount
If c\State[index] = CLOSED
ysize = 10
Else
ysize = c\Ysize[index]
EndIf
; move panels and labels
SetGadgetShape c\Panel[index], 8, Ypos, GadgetWidth( c\Panel[index] ), ysize
SetGadgetShape c\Label[index], 16, Ypos - 8, GadgetWidth( c\Label[index] ), GadgetHeight( c\Label[index] )
Ypos = Ypos + ysize + 16
Next
; adjust slider
SetSliderRange c\MainSlider, ClientHeight(c\MainParent), Ypos
End Function |
