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This is a small collection of mostly game example source codes. These source codes are made available to help PlayBasic programmers kick start their game programming journey.
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Found #4 items in GUI category
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Simple Text Menu
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By: Kevin Picone Added: June 21st, 2022
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Category: All,GUI,Menu
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Simple Text Menu
While tinkering last night, I wrote a simple menu library that lets the programmer define a list of text options that can have a key and mousing bindings as well. The library is more a starting point than a end product, but it shows a way how we can wrap a system into library that help us separate that functionality from the main program. The user can tag a function (by name) that is called when any option is clicked or the key binding is pressed.
Example:
So our processing loop looks like this..
loadfont "verdana",1 , 48
cr$=chr$(10)+chr$(13)
Options$ =" L) Load File [BindKey=38][OnClick=LOAD_FUNCTION]"+cr$
Options$+=" S) Save File [BindKey=31][OnClick=SAVE_FUNCTION]"+cr$
Options$+=" D) Delete File [BindKey=32][OnClick=DELETE_FUNCTION]"+cr$
//
GUI_CREATE_SIMPLE_MENU(Options$)
Do
cls $304050
GUI_UPDATE_SIMPLE_MENU_INPUTSTATE()
GUI_DRAW_SIMPLE_MENU()
action$=GUI_Get_SIMPLE_MENU_CLICKS()
if Len(Action$)
Index=FunctionIndex(Action$)
if Index
CallFunction Action$
endif
endif
sync
loop
Function LOad_Function()
cls 255
print "LOAD FUNCTION"
EndFunction
Function SAVE_Function()
cls $00ff00
Print "SAVE FUNCTION"
EndFunction
Function DELETE_Function()
cls $ff0000
Print "DELETE FUNCTION"
EndFunction
COMPLETE EXAMPLE:
loadfont "verdana",1 , 48
cr$=chr$(10)+chr$(13)
Options$ =" L) Load File [BindKey=38][OnClick=LOAD_FUNCTION]"+cr$
Options$+=" S) Save File [BindKey=31][OnClick=SAVE_FUNCTION]"+cr$
Options$+=" D) Delete File [BindKey=32][OnClick=DELETE_FUNCTION]"+cr$
//
GUI_CREATE_SIMPLE_MENU(Options$)
Do
cls $304050
GUI_UPDATE_SIMPLE_MENU_INPUTSTATE()
GUI_DRAW_SIMPLE_MENU()
action$=GUI_Get_SIMPLE_MENU_CLICKS()
if Len(Action$)
Index=FunctionIndex(Action$)
if Index
CallFunction Action$
endif
endif
sync
loop
Function LOad_Function()
cls 255
print "LOAD FUNCTION"
EndFunction
Function SAVE_Function()
cls $00ff00
Print "SAVE FUNCTION"
EndFunction
Function DELETE_Function()
cls $ff0000
Print "DELETE FUNCTION"
EndFunction
//------------------------------------------------------------------
//------------------------------------------------------------------
//------------------------------------------------------------------
//------------------------------------------------------------------
//------------------------------------------------------------------
Type tSimpleTextMenuInputState
Status
MX
MY
MB
ScanCode
EndType
Type tSimpleTextMenu
Caption$
KeyBindingScanCode
FunctionToCall$
x1,y1,x2,y2 ; render position of this on screen
MouseOver
EndType
Dim SimpleTextMenu(256) as tSimpleTextmenu
Dim SimpleTextmenuInputState as tSimpleTextMenuInputState
function GUI_CREATE_SIMPLE_MENU(MenuOptions$)
// Redim the Global Memu
Dim SimpleTextMenu(256) as tSimpleTextmenu
//
GUI_INIT_SIMPLE_MENU_INPUTSTATE()
dim Rows$(1024)
Options$=Replace$(MenuOptions$,chr$(10),"")
LinesOfText = SplitToArray(options$,chr$(13),rows$(),0,0)
MenuIndex =1
for lp=0 to LinesOftext-1
s$=Rows$(lp)
// Check for empty line
if len(trim$(S$))>0
Param_KeyBind$ =""
Param_Onclick$ =""
Current_Pos =1
do
// Look for square brackets
Left_pos=instring(s$,"[",Current_pos)
if Left_Pos
Right_pos=instring(s$,"]",Current_pos)
If Right_Pos>Left_Pos
Opcode$=Mid$(s$,Left_pos+1,(Right_Pos-Left_Pos)-1)
Current_Pos=Left_pos
S1$= Left$(s$,Left_pos-1)
S2$= CutLeft$(s$,Right_pos)
s$=s1$+s2$
// get Opcode and Value
Value$ =""
Equals_pos = instring(opcode$,"=")
if Equals_pos
Value$ = CutLeft$(Opcode$,Equals_pos)
Opcode$ = Left$(Opcode$,Equals_pos-1)
endif
Select upper$(trim$(opcode$))
// process embedded opcodes for this menu option
case "ONCLICK"
Param_Onclick$ = value$
case "KEYBIND", "BINDKEY", "KEY"
Param_KEYBIND$ = value$
EndSelect
// reset the next search
Current_pos=Left_pos
else
Current_Pos=Left_pos+1
endif
else
exitdo
endif
loop
// -----------------------------------------------
if Len(s$)
// -----------------------------------------------
SimpleTextMenu(MenuIndex)=New tSimpleTextMenu
SimpleTextMenu(MenuIndex).Caption =s$
SimpleTextMenu(MenuIndex).KeyBindingScanCode =val(Param_KeyBind$)
SimpleTextMenu(MenuIndex).FunctionToCall =Param_OnClick$
MenuIndex ++
endif
endif
next
EndFunction
function GUI_DRAW_SIMPLE_MENU()
GUI_INIT_SIMPLE_MENU_INPUTSTATE()
// Message includes the ONCLICK=
MouseStatus = SimpleTextmenuInputState.Status
Mx = SimpleTextmenuInputState.MX
My = SimpleTextmenuInputState.MY
Mb = SimpleTextmenuInputState.MB
CursorX =GetCursorX()
CursorY =GetCursorY()
TH =GettextHeight("|")
for lp=0 to getArrayElements(SimpleTextMenu())
if SimpleTextMenu(lp)
T$=SimpleTextMenu(lp).Caption$
CursorX2 = CursorX1+GettextWidth(t$)
CursorY2 = CursorY1+TH
SimpleTextMenu(lp).x1=CursorX1
SimpleTextMenu(lp).X2=CursorX2
SimpleTextMenu(lp).Y1=CursorY1
SimpleTextMenu(lp).Y2=CursorY2
MouseOverState = 0
if MouseStatus
if range(My,CursorY1,CursorY2-1)
inkmode 1+32
c=GetInk()
BoxC 0,CursorY1,getSurfaceWidth(),CursorY2,true,RgbFade(c,50)
inkmode 1
MouseOverState = 1
endif
endif
SimpleTextMenu(lp).MouseOver =MouseOverState
// Check if mouse over
text CursorX1,CursorY1, t$
CursorY1=CursorY2
endif
next
EndFunction
Function GUI_Get_SIMPLE_MENU_CLICKS()
GUI_INIT_SIMPLE_MENU_INPUTSTATE()
MouseStatus = SimpleTextmenuInputState.Status
Mx = SimpleTextmenuInputState.MX
My = SimpleTextmenuInputState.MY
Mb = SimpleTextmenuInputState.MB
if MouseStatus
if MB
for lp=0 to getArrayElements(SimpleTextMenu())
if SimpleTextMenu(lp)
if SimpleTextMenu(lp).MouseOver
if Mb & 1
Action$ = SimpleTextMenu(lp).FunctionToCall
endif
endif
endif
next
endif
endif
SC = SimpleTextmenuInputState.ScanCode
if SC
for lp=0 to getArrayElements(SimpleTextMenu())
if SimpleTextMenu(lp)
if SimpleTextMenu(lp).KeyBindingScanCode=SC
Action$ = SimpleTextMenu(lp).FunctionToCall
endif
endif
next
endif
EndFunction Action$
Function GUI_UPDATE_SIMPLE_MENU_INPUTSTATE()
GUI_INIT_SIMPLE_MENU_INPUTSTATE()
SimpleTextmenuInputState.Status = true
SimpleTextmenuInputState.Mx =MouseX()
SimpleTextmenuInputState.MY =MouseY()
SimpleTextmenuInputState.MB =MouseButton()
SimpleTextmenuInputState.ScanCode =ScanCode()
EndFunction
Function GUI_INIT_SIMPLE_MENU_INPUTSTATE()
if GetArrayStatus(SimpleTextmenuInputState())=false
Dim SimpleTextmenuInputState as tSimpleTextMenuInputState
endif
EndFunction
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Custom File Dialog
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By: Kevin Picone Added: September 14th, 2009
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Category: All, Menus, Gui
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This example creates a custom file dialog/file requester for use in your PlayBasic programs. It was originally written for friends map editor project about 7/8 years ago in another language. Then was later on updated for PB. Those with long memories will no doubt remember it being part of the original example pack. This version is basically the same, except for a few minor improvements.
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Download:
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MenuGUI
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By: Jake Jensen (Jeku) Added: August 27th, 2006
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Category: All,Menus,Gui
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A simple way to add a menu system to your PB game! Have one level of submenus and checkbox support. Should be easy enough to expand and customize to your liking. I apologize for the amount of magic numbers and I'll go in there when I have time to fix that.
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