292 lines
8.7 KiB
Plaintext
292 lines
8.7 KiB
Plaintext
;license:MIT
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;(c) 2018 by 4am
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;
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; User interface - views and paint routines for catalog screen
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;
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; Public functions
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; - CatalogDialog
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;
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; View IDs (application-specific, acceptable range 0..15, no duplicates)
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ID_CATALOG_FRAME = 1
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ID_CATALOG_MAIN = 2
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ID_CATALOG_PREVIOUS = 3
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ID_CATALOG_NEXT = 4
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; action keys for catalog screen
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kCatalogKeys
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!byte $8D,ID_CATALOG_MAIN ; <Return>
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!byte $9B,ID_CATALOG_MAIN ; <Esc>
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!byte $88,ID_CATALOG_PREVIOUS ; left arrow
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!byte $8B,ID_CATALOG_PREVIOUS ; up arrow
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!byte $95,ID_CATALOG_NEXT ; right arrow
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!byte $8A,ID_CATALOG_NEXT ; down arrow
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!byte $A0,ID_CATALOG_NEXT ; <Space>
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_endCatalogKeys
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MAXGAMES = 18 ; max number of displayed games
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;------------------------------------------------------------------------------
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; CatalogDialog
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; call WeeGUI to create and paint option screen, and run to completion
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;
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; in: WeeGUI initialized
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; out: exits via MainScreen
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; all registers and flags clobbered
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;------------------------------------------------------------------------------
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CatalogDialog
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ldx #$FF
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txs
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jsr HardResetWeeGUI
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ldx #WGClearScreen ; paint background
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jsr WeeGUI
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jsr CreateDialog ; create decorated frame
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!word kViewCatalogFrame
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!word kStringCatalogFrame
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jsr PaintTitleBar ; paint top title bar
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jsr CreateButton ; create 'previous' button
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!word kViewCatalogPrevious
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jsr CreateButton ; create 'next' button
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!word kViewCatalogNext
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jsr CreateButton ; create 'main' button
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!word kViewCatalogMain
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ldx #WGViewPaintAll ; paint UI controls (window frame, buttons)
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jsr WeeGUI
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lda gameCount
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bne @alreadyCounted
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jsr okvs_iter ; count the total number of games
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!word gGamesListStore
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!word countGames
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@alreadyCounted
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lda #0
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sta startIndex
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jsr RefreshCatalog
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; WeeGUI cursor/key loop
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jsr ClearPendingInput
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- ldx #WGPendingClick ; since our game list isn't WeeGUI buttons
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jsr WeeGUI ; we need to manually check for mouse click
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cpx #$FF
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beq @1 ; no click
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jsr HandleCatalogClick ; yes, mouse click
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@1 ldx #WGPendingViewAction
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jsr WeeGUI ; handle mouse movement and clicks
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lda $C000
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bpl -
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jsr ClearPendingInput
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jsr HandleCatalogKey ; handle keypresses
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bra -
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;------------------------------------------------------------------------------
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; internal functions
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;------------------------------------------------------------------------------
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RefreshCatalog
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lda #ID_CATALOG_FRAME
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ldx #WGSelectView ; select frame (required for print routines)
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jsr WeeGUI
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ldx #WGEraseViewContents
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jsr WeeGUI
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lda #1 ; start at second line within text frame
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sta catLineNum
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lda #$C1 ; letter 'A', first game in game list
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sta kCatLetter + 1
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jsr okvs_iter
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!word gGamesListStore
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!word printCatalog
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rts
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;------------------------------------------------------------------------------
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; !byte $01,$02,$03,$04,$05
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gameCount
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!byte $00 ; SMC
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startIndex
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!byte $FD ; SMC
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; Count up the total number of games
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countGames
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inc gameCount
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rts
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;------------------------------------------------------------------------------
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; Print out a single game name/letter, A/Y contains key, X contains index
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printCatalog
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cpx startIndex ; skip until we reach our current start index
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bcc @skip
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ldx catLineNum
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dex
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cpx #MAXGAMES ; are we on the last line?
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bcc +
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@skip rts
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+ +STAY @key
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jsr okvs_get ; retrieve the game name
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!word gGamesListStore
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@key !word $FDFD ; SMC
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ldx #55 ; maximum string length
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jsr CreateNullTerminatedString ; copies string to kNullTerminatedBuffer
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jsr PrintAt
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!byte 8
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catLineNum
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!byte $FD ; SMC
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!word kNullTerminatedBuffer
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lda catLineNum
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sta @ln2
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jsr PrintAt ; print a letter key next to each game
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!byte 4
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@ln2 !byte $FD ; SMC
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!word kCatLetter
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inc catLineNum
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inc kCatLetter + 1
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rts
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kCatLetter
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!text "(A)",0
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;------------------------------------------------------------------------------
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; User clicked on the screen, X, Y contain absolute mouse position
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HandleCatalogClick
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cpx #8
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bcc @outOfBounds
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cpx #68
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bcs @outOfBounds
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cpy #2
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bcc @outOfBounds
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tya
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clc
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adc #$BF ; convert Y pos into 'A'-'Z' key
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bra isUppercaseKey ; use our keyboard handler to verify
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@outOfBounds
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jmp SoftBell
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;------------------------------------------------------------------------------
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; HandleCatalogKey
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;
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; in: A = key pressed
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; out: all registers and flags clobbered
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;------------------------------------------------------------------------------
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HandleCatalogKey
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cmp #$E0
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bcc isUppercaseKey
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and #%11011111 ; convert lower to uppercase
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isUppercaseKey
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cmp #$C1 ; 'A'
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bcc @notLetter
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cmp kCatLetter + 1 ; highest key (+1) on the game list
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bcs @notLetter
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; convert uppercase letter to game index (+1)
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and #%00011111
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clc
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adc startIndex
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tax
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dex
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jsr loadNewGameInfoAndRepaint
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@main jmp MainScreen
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@notLetter ; handle other (non-game) keys
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ldx #(_endCatalogKeys-kCatalogKeys)-2
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- cmp kCatalogKeys,x
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beq @activateView
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dex
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dex
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bpl -
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@error jmp SoftBell
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@activateView
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lda kCatalogKeys+1,x
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tax
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ldy gViewInUse,x
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beq @error
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ldx #WGSelectView
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jsr WeeGUI
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@click jmp SimulateClick
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catalog_next
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lda startIndex
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clc
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adc #MAXGAMES
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cmp gameCount
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bcc +
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lda #0
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+ sta startIndex
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jmp RefreshCatalog
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catalog_previous
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lda startIndex
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sec
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sbc #MAXGAMES
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bcs +
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lda #0
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- clc
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adc #MAXGAMES
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cmp gameCount
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bcc -
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sec
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sbc #MAXGAMES
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+ sta startIndex
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jmp RefreshCatalog
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catalog_main
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jmp MainScreen
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;------------------------------------------------------------------------------
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; WeeGUI view configuration records
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kViewCatalogPrevious
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!byte ID_CATALOG_PREVIOUS ; view ID
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!byte 1 ; left
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!byte 22 ; top
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!byte 13 ; width
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!word catalog_previous ; callback
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!word kStringCatPrevious ; caption
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kViewCatalogNext
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!byte ID_CATALOG_NEXT ; view ID
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!byte 66 ; left
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!byte 22 ; top
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!byte 13 ; width
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!word catalog_next ; callback
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!word kStringCatNext ; caption
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kViewCatalogMain
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!byte ID_CATALOG_MAIN ; view ID
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!byte 34 ; left
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!byte 22 ; top
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!byte 14 ; width
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!word catalog_main ; callback
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!word kStringCatMain ; caption
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kViewCatalogFrame
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!byte ID_CATALOG_FRAME ; view ID
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!byte 0 ; style (decorated frame)
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!byte 4 ; left
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!byte 1 ; top
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!byte 72 ; visible width
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!byte 20 ; visible height
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!byte 72 ; width
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!byte 20 ; height
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kStringCatalogFrame
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!text "Catalog",0
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kStringCatPrevious
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!text "< "
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!byte 144
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!text "revious",0
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kStringCatNext
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!byte 142
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!text "ext page >",0
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kStringCatMain
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!byte $83
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!text "ancel",0
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