125 lines
5.1 KiB
Plaintext
125 lines
5.1 KiB
Plaintext
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'' ===========================================================================
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'' VGA High-Res Text UI Elements Base UI Support Functions v1.2
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''
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'' File: MenuItem.spin
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'' Author: Allen Marincak
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'' Copyright (c) 2009 Allen MArincak
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'' See end of file for terms of use
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'' ===========================================================================
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''
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''============================================================================
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'' MenuItem Control
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''============================================================================
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''
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'' Creates a menu item. This is really like a text button, but when placed with
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'' others and inside a simple box it can look like a menu bar. User determined
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'' state information may be assigned to it.
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VAR
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word varGdx 'GUI control variable
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long varScreenPtr 'screen buffer pointer
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long varVgaPos 'starting position of the menu item
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byte varTextN[18] 'normal text, 15 chars MAX, with room for terminating Null and bracketing spaces
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byte varTextI[18] 'inverted text, 15 chars MAX, with room for terminating Null and bracketing spaces
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byte varRow 'top row location
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byte varCol 'left col location
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byte varCol2 'right col location
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byte varWidth 'width of text
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byte varStatus '0=normal else user defined value
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byte varVgaCols 'width of screen in columns
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PUB Init( pRow, pCol, pTextPtr, pVgaPtr, pVgaWidth ) | strIdx
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varVgaCols := pVgaWidth
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varRow := pRow
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varCol := pCol
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varScreenPtr := pVgaPtr
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varStatus := 0
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varWidth := strsize( pTextPtr ) + 2
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varCol2 := varCol + varWidth - 1
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varTextN[0] := 32
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bytemove( @varTextN[1], pTextPtr, varWidth - 2 ) 'copy menu item text string
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varTextN[varWidth - 1] := 32
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varTextN[varWidth] := 0
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strIdx := 0
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repeat varWidth
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varTextI[strIdx] := varTextN[strIdx]+128 'invert the string
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strIdx++
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varTextI[strIdx] := 0
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varVgaPos := varRow * varVgaCols + varCol 'now draw the menu item
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bytemove( @byte[varScreenPtr][varVgaPos], @varTextI, varWidth )
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PUB DrawText( pMode )
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if pMode & 1
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bytemove( @byte[varScreenPtr][varVgaPos], @varTextN, varWidth )
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else
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bytemove( @byte[varScreenPtr][varVgaPos], @varTextI, varWidth )
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PUB IsIn( pCx, pCy ) : qq
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qq := false
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if ( pCx => varCol ) AND ( pCx =< varCol2 )
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if pCy == varRow
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qq := true
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return qq
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PUB SetText( pPtr ) | strIdx
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bytefill( @varTextN[1], 32, varWidth - 2 ) 'clear it first
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bytemove( @varTextN[1], pPtr, strsize(pPtr) ) 'copy menu item text string
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strIdx := 0
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repeat varWidth
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varTextI[strIdx] := varTextN[strIdx]+128 'invert the string
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strIdx++
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bytemove( @byte[varScreenPtr][varVgaPos], varTextI, varWidth )
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PUB SetStatus( pStat )
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varStatus := pStat 'user defined status value
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Pub GetStatus
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return varStatus
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PUB set_gzidx( gzidx )
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varGdx := gzidx
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PUB get_gzidx
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return varGdx
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{{
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┌────────────────────────────────────────────────────────────────────────────┐
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│ TERMS OF USE: MIT License │
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├────────────────────────────────────────────────────────────────────────────┤
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│Permission is hereby granted, free of charge, to any person obtaining a copy│
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│of this software and associated documentation files (the "Software"), to │
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│deal in the Software without restriction, including without limitation the │
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│rights to use, copy, modify, merge, publish, distribute, sublicense, and/or │
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│sell copies of the Software, and to permit persons to whom the Software is │
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│furnished to do so, subject to the following conditions: │
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│ │
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│The above copyright notice and this permission notice shall be included in │
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│all copies or substantial portions of the Software. │
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│ │
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│THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR │
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│IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, │
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│FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE │
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│AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER │
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│LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING │
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│FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS│
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│IN THE SOFTWARE. │
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└────────────────────────────────────────────────────────────────────────────┘
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}}
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