Files
aqhomecontrol/avr/modules/lcd2/gui/base/mclayout.asm
2026-04-14 23:53:54 +02:00

279 lines
6.7 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_MCLAYOUT_ASM
#define AQH_AVR_GUI2_MCLAYOUT_ASM
; ***************************************************************************
; defines
.equ MCLAYOUT_OFFS_BEGIN = WIDGET_SIZE
.equ MCLAYOUT_OFFS_MODE = MCLAYOUT_OFFS_BEGIN+0
.equ MCLAYOUT_OFFS_COLUMNS = MCLAYOUT_OFFS_BEGIN+1
.equ MCLAYOUT_SIZE = MCLAYOUT_OFFS_BEGIN+2
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine MCLayout_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
; @param r20 number of columns or rows (depending on mode in r20)
; @clobbers any
MCLayout_new:
push r20
ldi r24, LOW(MCLAYOUT_SIZE)
ldi r25, HIGH(MCLAYOUT_SIZE)
bigcall Object_Alloc ; (!r16, !r17, !X)
pop r20
brcc MCLayout_new_ret
rcall MCLayout_Init ; (r16, r17, X)
sec
MCLayout_new_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine MCLayout_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
; @param r20 number of columns or rows (depending on mode in r20)
; @clobbers r16, r17, X
MCLayout_Init:
push r20
; call base class
bigcall Widget_Init ; (r16, r17, X)
pop r20
; set widget-specific data
std Y+MCLAYOUT_OFFS_COLUMNS, r20
; set default signal map
ldi r16, LOW(MCLayout_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_LO, r16
ldi r16, HIGH(MCLayout_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_HI, r16
ret
; @end
; ---------------------------------------------------------------------------
; @routine MCLayout_OnGetDefaultHeight
;
; @param Y pointer to widget
; @return r19:r18 value
; @clobbers any, !Y
MCLayout_OnGetDefaultHeight:
; rcall Layout_SetDefaultHeights
; rcall Layout_GetMaxTmp
; bigcall Widget_AddOuterStyleBorders ; (r20, r21)
ldi r18, 10
clr r19
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine MCLayout_OnGetDefaultWidth
;
; @param Y pointer to widget
; @return r19:r18 value
; @clobbers any, !Y
MCLayout_OnGetDefaultWidth:
; rcall Layout_SetDefaultWidths
; rcall Layout_SumTmpValues ; r19:r18=default width
ldi r18, 10
clr r19
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine MCLayout_OnLayout
;
; @param Y pointer to widget
; @clobbers any, !Y
MCLayout_OnLayout:
ldd r25, Y+MCLAYOUT_OFFS_COLUMNS
rcall Layout_CountChildrenSkipped ; r16=number of rows used (r18, r19)
mov r24, r16 ; store for later
ldd r17, Y+MCLAYOUT_OFFS_COLUMNS
cp r16, r17
brcc MCLayout_OnLayout_mkCtx
mov r16, r17
MCLayout_OnLayout_mkCtx:
; create and preset context
push r24 ; num of children
rcall LayoutCtx_CreateContextForN ; X=ctx (any, !R16, !Y)
pop r24
brcc MCLayout_OnLayout_ret
push r24 ; num of children
ldd r24, Y+MCLAYOUT_OFFS_COLUMNS
rcall mcLayoutHorizontally
pop r24
rcall mcLayoutVertically
; release layout context
bigcall LayoutCtx_free
; force re-drawing of this widget, clear layout bit
ldd r16, Y+OBJECT_OFFS_FLAGS
sbr r16, (1<<WIDGET_FLAGS_DIRTY_BIT)
cbr r16, (1<<WIDGET_FLAGS_LAYOUT_BIT)
std Y+OBJECT_OFFS_FLAGS, r16
MCLayout_OnLayout_ret:
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine mcLayoutVertically
;
; @param Y pointer to widget
; @param X layout context
; @param r24 number of rows
; @clobbers any, !X, !Y
mcLayoutVertically:
; prepare
push xl
push xh
push r24
rcall Layout_SetDefaultHeights ; (any, !Y)
pop r24
pop xh
pop xl
ldd r20, Y+WIDGET_OFFS_HEIGHT_LO
ldd r21, Y+WIDGET_OFFS_HEIGHT_HI
adiw xh:xl, LAYOUT_CTX_OFFS_TOTALSIZE_LO
st X+, r20
st X, r21
sbiw xh:xl, (LAYOUT_CTX_OFFS_TOTALSIZE_LO+1)
adiw xh:xl, LAYOUT_CTX_OFFS_NUMITEMS
st X, r24
sbiw xh:xl, LAYOUT_CTX_OFFS_NUMITEMS
; read positions and flags into new layout context
ldd r25, Y+MCLAYOUT_OFFS_COLUMNS
bigcall LayoutCtx_ReadYMaxDimsVertical ; (r16-r20, Z)
; layout
bigcall LayoutCtx_LayoutExpand ; (r16-r25)
; pack
ldd r25, Y+MCLAYOUT_OFFS_COLUMNS
rcall LayoutCtx_PackYVertical ; (r16, r18, r19, r24, Z)
ret
; @end
; ---------------------------------------------------------------------------
; @routine mcLayoutHorizontally
;
; @param Y pointer to widget
; @param X layout context
; @param r24 number of items to use
; @clobbers any, !Y
mcLayoutHorizontally:
; prepare
push xl
push xh
push r24
rcall Layout_SetDefaultWidths ; (any, !Y)
pop r24
pop xh
pop xl
; setup layout context for horizontal operations
ldd r20, Y+WIDGET_OFFS_WIDTH_LO
ldd r21, Y+WIDGET_OFFS_WIDTH_HI
adiw xh:xl, LAYOUT_CTX_OFFS_TOTALSIZE_LO
st X+, r20
st X, r21
sbiw xh:xl, (LAYOUT_CTX_OFFS_TOTALSIZE_LO+1)
adiw xh:xl, LAYOUT_CTX_OFFS_NUMITEMS
st X, r24
sbiw xh:xl, LAYOUT_CTX_OFFS_NUMITEMS
; read positions and flags into new layout context
ldd r25, Y+MCLAYOUT_OFFS_COLUMNS
bigcall LayoutCtx_ReadXMaxDimsHorizontal ; (r16-r20, Z)
; layout
bigcall LayoutCtx_LayoutExpand ; (r16-r25)
; pack
ldd r25, Y+MCLAYOUT_OFFS_COLUMNS
rcall LayoutCtx_PackXHorizontal ; (r16, r18, r19, r24, Z)
ret
; @end
; ***************************************************************************
; data in FLASH
MCLayout_DefaultSignalmap:
; header
.dw Widget_DefaultSignalmap*2 ; next table to use
; entries
.db 0, WIDGET_SIGNAL_LAYOUT, LOW(MCLayout_OnLayout), HIGH(MCLayout_OnLayout)
.db WIDGET_VALUE_DEFAULT_WIDTH, WIDGET_SIGNAL_GETVALUE, LOW(MCLayout_OnGetDefaultWidth), HIGH(MCLayout_OnGetDefaultWidth)
.db WIDGET_VALUE_DEFAULT_HEIGHT, WIDGET_SIGNAL_GETVALUE, LOW(MCLayout_OnGetDefaultHeight), HIGH(MCLayout_OnGetDefaultHeight)
.db 0, 0, 0, 0 ; end of table
#endif