Files
aqhomecontrol/avr/modules/lcd2/gui/base/wlist.asm
2026-05-23 01:43:04 +02:00

201 lines
4.6 KiB
NASM

; ***************************************************************************
; copyright : (C) 2026 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_GUI2_WLIST_ASM
#define AQH_AVR_GUI2_WLIST_ASM
; ***************************************************************************
; defines
.equ WLIST_OFFS_BEGIN = VLAYOUT_SIZE
.equ WLIST_OFFS_ELEMLIST_LO = VLAYOUT_OFFS_BEGIN+0
.equ WLIST_OFFS_ELEMLIST_HI = VLAYOUT_OFFS_BEGIN+1
.equ WLIST_OFFS_ELEMOFFSET = VLAYOUT_OFFS_BEGIN+2
.equ WLIST_OFFS_ELEMNUM = VLAYOUT_OFFS_BEGIN+3
.equ WLIST_SIZE = VLAYOUT_OFFS_BEGIN+4
; signals
.equ WLIST_SIGNAL_MKOBJECT = WIDGET_SIGNAL_NEXTFREE+0
.equ WLIST_SIGNAL_NEXTFREE = WIDGET_SIGNAL_NEXTFREE+1
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine WList_new @global
;
; @return CFLAG set of okay, cleared otherwise
; @return Y address of newly created object
; @param X parent widget
; @param r16 value for OBJECT_OFFS_OPTS
; @param r17 value for WIDGET_OFFS_PACK
; @clobbers any
WList_new:
ldi r24, LOW(VLAYOUT_SIZE)
ldi r25, HIGH(VLAYOUT_SIZE)
bigcall Object_Alloc ; (!r16, !r17, !X)
brcc WList_new_ret
rcall WList_Init ; (r16, r17, X)
sec
WList_new_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine WList_Init @global
;
; @param Y address of widget
; @param X parent widget (if any)
; @param r16 value for OBJECT_OFFS_OPTS
; @param r17 value for WIDGET_OFFS_PACK
; @clobbers r16, r17, X
WList_Init:
; call base class
ldi r20, VLAYOUT_MODE_EXPAND
bigcall VLayout_Init ; (r16, r17, X)
; set widget-specific data
; set default signal map
ldi r16, LOW(WList_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_LO, r16
ldi r16, HIGH(WList_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_HI, r16
ret
; @end
wListRebuild:
; release current widgets
bigcall OBJ_FreeChildren ; (any, !Y)
rcall wListGetStartElement
brcc wListRebuild_ret
; get startY and height
bigcall Widget_GetBorderAndSpacing
mov r6, r23 ; YPOS (start after border)
clr r7
ldd r10, Y+WIDGET_OFFS_HEIGHT_LO
ldd r11, Y+WIDGET_OFFS_HEIGHT_HI
sub r10, r23
sbc r11, r23
add r11, r23
wListRebuild_loop:
; check height (does element fit?)
adiw xh:xl, WLIST_ELEM_OFFS_HEIGHT_LO
ld r18, X+
ld r19, X
sbiw xh:xl, (WLIST_ELEM_OFFS_HEIGHT_LO+1)
add r18, r6 ; height+currentY
adc r19, r7
cp r18, r10
cpc r19, r11
brcc wListRebuild_ret ; outside window, done
; create child widget for item
push r6
push r7
push r10
push r11
push r22
push xl
push xh
ldi r16, WLIST_SIGNAL_MKOBJECT ; in: list element
clr r17
bigcall OBJ_HandleSignal ; out: r19:r18=result (if CFLAG set)
pop xh
pop xl
pop r22
pop r11
pop r10
pop r7
pop r6
brcc wListRebuild_ret
; increment Y
adiw xh:xl, WLIST_ELEM_OFFS_HEIGHT_LO
ld r18, X+
ld r19, X
sbiw xh:xl, (WLIST_ELEM_OFFS_HEIGHT_LO+1)
add r6, r18 ; add item height
adc r7, r19
add r6, r22 ; add spacing
adc r7, r22
sub r7, r22
; next element
ld r16, X+
ld r17, X
mov xl, r16
mov xh, r17
or r16, r17
brne wListRebuild_loop
wListRebuild_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine wListGetStartElement @global
;
; @param Y address of widget
; @return CFLAG set if start element found, cleared otherwise
; @return X pointer to start element
wListGetStartElement:
push yl
push yh
ldd r16, Y+WLIST_OFFS_ELEMOFFSET
ldd r17, Y+WLIST_OFFS_ELEMLIST_LO
ldd yh, Y+WLIST_OFFS_ELEMLIST_HI
mov yl, r17
bigcall List_GetItemAt ; X=element at (r16, r17)
pop yh
pop yl
ret
; @end
; ***************************************************************************
; data in FLASH
WList_DefaultSignalmap:
; header
.dw VLayout_DefaultSignalmap*2 ; next table to use
; entries
.db 0, 0, 0, 0 ; end of table
#endif