/Dynamic Button generator with an event handler
This little program builds buttons on the fly, without using any images
It is an upgrade to my previous dynamic buttons function.
// DarkBasocPro
// Dynamic Button generator with an event handler
// This little program builds buttons on the fly, without using any images
// It is an upgrade to my previous dynamic buttons function.
// You call the _NewButton() function to generate tha buttons for you.
// The _DisplayButtons() fuction displays the buttons you have made
// The _ButtonEvents()function checks for a mouse click on a button
//
// _NewButton() Parameters
// x The screen x location to place the button
// y The screen y loation to place the button
// width The width of the button in pixels
// height The height of the button in pixels
// r The Red base RGB color for the button
// g The Green base RGB color for the button
// b The Blue base RGB color for the button
// txt$ The Text to appear on the button
//
// How to use
// Call the _NewButton fuvtion for every button you wish to make
// Call the _DisplayButtons function inside the 'do' loop to display buttons
// Call the _ButtonEvents function inside the 'do' loop to get info
// The _ButtonEvents returns the actual text that you placed on the button
// Check the returned button text to call anything you wish in your program
//
// Author: [email protected]
SYNC ON
TYPE _dynabutton
_sprite AS INTEGER
_image AS INTEGER
_txt AS STRING
_x AS INTEGER
_y AS INTEGER
ENDTYPE
DIM _Button() AS _dynabutton
DIM _MousePointer(1) AS _dynabutton
_NewButton(80, 65, 180,22,50,0,0,"SIMPLE DEMO MENU")
_NewButton(100,100,140,25,0,0,150,"START")
_NewButton(100,130,140,25,0,0,150,"OPTIONS")
_NewButton(100,160,140,25,0,0,150,"VIDEO")
_NewButton(100,190,140,25,0,0,150,"SOUND")
_NewButton(100,220,140,25,0,0,150,"QUIT")
DO
_DisplayButtons() `must be called
_command$ = _ButtonEvents() `must be called
//Do your own processing if the _command$ matches the text for your button
IF _command$ = "START" THEN TEXT 100,420,"The " + _command$ +" button has been selected"
IF _command$ = "VIDEO" THEN TEXT 100,420,"Yeah! you selected " + _command$
TEXT 100,400,_command$
SYNC
LOOP
END
FUNCTION _ButtonEvents()
_mouse = MOUSECLICK()
id = SPRITE COLLISION (9999,0)
IF id <> 0 AND _mouse = 1
count = ARRAY COUNT (_Button())
FOR i = 0 TO count
IF id = _Button(i)._sprite
txt$ = _Button(i)._txt
EXITFUNCTION txt$
ENDIF
NEXT i
ENDIF
ENDFUNCTION ""
FUNCTION _DisplayButtons()
count = ARRAY COUNT (_Button())
FOR i = 0 TO count
SPRITE _Button(i)._sprite,_Button(i)._x,_Button(i)._y,_Button(i)._image
NEXT i
SPRITE 9999,mousex(),mousey(),9999
ENDFUNCTION
FUNCTION _NewButton(x,y,width,height,r,g,b,txt$)
IF _MousePointer(0)._txt <> "ready"
_CreateMousePointer()
ENDIF
count = ARRAY COUNT (_Button())
idi = 9000 + count //Image ID
ids = 9050 + count //sprite ID
ARRAY INSERT AT BOTTOM _Button(0)
_CreateButton(ids,idi,width,height,r,g,b,txt$)
_Button()._txt = txt$
_Button()._image = idi
_Button()._sprite = ids
_Button()._x = x
_Button()._y = y
ENDFUNCTION
FUNCTION _CreateMousePointer()
CREATE BITMAP 31,1,1
DOT 0,0 ,RGB(0,0,0)
GET IMAGE 9999,0,0,1,1
SET CURRENT BITMAP 0
DELETE BITMAP 31
_MousePointer(0)._txt = "ready"
ENDFUNCTION
FUNCTION _CreateButton(spriteNo,imageNo,width,height,inkR,inkG,inkB,buttonText$)
INK RGB(inkR,inkG,inkB),0
left = 0
top = 0
CREATE BITMAP 31,width,height
FOR i = 0 TO 180
r = height/2
x = SIN(i)*r
y = COS(i)*r
x1 = left + r - x
x2 = left + width - r + x
y = top + y + r
INC inkR
IF inkR > 255 THEN inkR = 255
INC inkG
IF inkG > 255 THEN inkG = 255
INC inkB
IF inkB > 255 THEN inkB = 255
INK RGB(inkR,inkG,inkB),0
LINE x1,y,x2,y
NEXT i
SET TEXT FONT "arial"
SET TEXT SIZE height - 5
INK RGB(0,0,0),0
SET TEXT TO BOLD
sz = TEXT SIZE()
txtTop = top + (height - sz)/2 +1
BLUR BITMAP 31,3
INK RGB(255,255,255),0
CENTER TEXT width/2,txtTop,buttonText$
GET IMAGE imageNo,0,0,width,height
SET CURRENT BITMAP 0
DELETE BITMAP 31
SPRITE spriteNo,-1000,-1001,imageNo
ENDFUNCTION
