Files
aqhomecontrol/avr/modules/lcd2/gui2/base/hlayout.asm
Martin Preuss 51cedae0cb gui2: fixed problems with layouts
need to look into spread mode, too.
2026-03-11 00:32:08 +01:00

484 lines
13 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_HLAYOUT_ASM
#define AQH_AVR_GUI2_HLAYOUT_ASM
; ***************************************************************************
; defines
.equ HLAYOUT_OFFS_BEGIN = WIDGET_SIZE
.equ HLAYOUT_OFFS_MODE = HLAYOUT_OFFS_BEGIN+0
.equ HLAYOUT_SIZE = HLAYOUT_OFFS_BEGIN+1
; values for HLAYOUT_OFFS_MODE
.equ HLAYOUT_MODE_EXPAND = 0
.equ HLAYOUT_MODE_SPREAD = 1
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine HLayout_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 layout mode (HLAYOUT_MODE_EXPAND, HLAYOUT_MODE_SPREAD)
; @clobbers any
HLayout_new:
push r20
ldi r24, LOW(HLAYOUT_SIZE)
ldi r25, HIGH(HLAYOUT_SIZE)
bigcall Object_Alloc ; (!r16, !r17, !X)
pop r20
brcc HLayout_new_ret
rcall HLayout_Init ; (r16, r17, X)
sec
HLayout_new_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine HLayout_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 layout mode (HLAYOUT_MODE_EXPAND, HLAYOUT_MODE_SPREAD)
; @clobbers r16, r17, X
HLayout_Init:
push r20
; call base class
bigcall Widget_Init ; (r16, r17, X)
pop r20
; set widget-specific data
std Y+HLAYOUT_OFFS_MODE, r20
; set default signal map
ldi r16, LOW(HLayout_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_LO, r16
ldi r16, HIGH(HLayout_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_HI, r16
ret
; @end
; ---------------------------------------------------------------------------
; @routine HLayout_OnLayout
;
; @param Y pointer to widget
; @clobbers any, !Y
HLayout_OnLayout:
rcall hLayoutHorizontally
rcall hLayoutVertically
; 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
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine HLayout_OnGetDefaultHeight
;
; @param Y pointer to widget
; @return r19:r18 value
; @clobbers any, !Y
HLayout_OnGetDefaultHeight:
rcall Layout_SetDefaultHeights
rcall Layout_GetMaxTmp
bigcall Widget_AddOuterStyleBorders ; (r20, r21)
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine HLayout_OnGetDefaultWidth
;
; @param Y pointer to widget
; @return r19:r18 value
; @clobbers any, !Y
HLayout_OnGetDefaultWidth:
rcall Layout_SetDefaultWidths
rcall Layout_SumTmpValues ; r19:r18=default width
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutSetX
;
; @param Y pointer to widget
; @clobbers r16, r17, r18, r19, r20, r21, r22, r23, Z
hLayoutSetX:
ldd zl, Y+WIDGET_OFFS_STYLE_LO
ldd zh, Y+WIDGET_OFFS_STYLE_HI
; get spacing
adiw zh:zl, WIDGET_STYLE_OFFS_SPACING
lpm r22, Z
clr r23
sbiw zh:zl, WIDGET_STYLE_OFFS_SPACING
; get outer border
adiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
lpm r20, Z
clr r21
sbiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
push yl
push yh
bigcall OBJ_GetFirstChild
brcc hLayoutSetX_loopEnd
hLayoutSetX_loop:
mov yl, r18
mov yh, r19
ldd r16, Y+OBJECT_OFFS_FLAGS
sbrs r16, WIDGET_FLAGS_VISIBLE_BIT
rjmp hLayoutSetX_next
; set Y
std Y+WIDGET_OFFS_X_LO, r20
std Y+WIDGET_OFFS_X_HI, r21
; set width
ldd r16, Y+WIDGET_OFFS_TMP_LO
ldd r17, Y+WIDGET_OFFS_TMP_HI
std Y+WIDGET_OFFS_WIDTH_LO, r16
std Y+WIDGET_OFFS_WIDTH_HI, r17
; advance r21:r20
add r20, r16 ; add widget size
adc r21, r17
add r20, r22 ; add spacing
adc r21, r23
; force direct children to re-layout and re-draw
ldd r16, Y+OBJECT_OFFS_FLAGS
ori r16, (1<<WIDGET_FLAGS_DIRTY_BIT) | (1<<WIDGET_FLAGS_LAYOUT_BIT)
std Y+OBJECT_OFFS_FLAGS, r16
hLayoutSetX_next:
rcall OBJ_GetNext
brcs hLayoutSetX_loop
hLayoutSetX_loopEnd:
pop yh
pop yl
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutVertically
;
; @param Y pointer to widget
; @clobbers any, !Y
hLayoutVertically:
bigcall Layout_SetDefaultWidths ; (any, !Y)
; calc usable height of host widget
ldd r22, Y+WIDGET_OFFS_HEIGHT_LO
ldd r23, Y+WIDGET_OFFS_HEIGHT_HI
ldd zl, Y+WIDGET_OFFS_STYLE_LO
ldd zh, Y+WIDGET_OFFS_STYLE_HI
adiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
lpm r18, Z+
; lpm r19, Z
clr r19
sub r22, r18
sbc r23, r19
sub r22, r18
sbc r23, r19
; r23:r22=width of host widget
push yl
push yh
mov xl, yl
mov xh, yh
bigcall OBJ_GetFirstChild
hLayoutVertically_loop:
brcc hLayoutVertically_loopEnd
mov yl, r18
mov yh, r19
ldd r12, Y+WIDGET_OFFS_TMP_LO
ldd r13, Y+WIDGET_OFFS_TMP_HI
ldd r17, Y+WIDGET_OFFS_PACK
andi r17, (1<<WIDGET_PACK_VSELF1_BIT) | (1<<WIDGET_PACK_VSELF0_BIT)
cpi r17, (WIDGET_PACK_FILLED<<WIDGET_PACK_VSELF0_BIT)
brne hLayoutVertically_setHeight
mov r12, r22
mov r13, r23
hLayoutVertically_setHeight:
std Y+WIDGET_OFFS_HEIGHT_LO, r12
std Y+WIDGET_OFFS_HEIGHT_HI, r13
push yl
push yh
ldd r17, Y+WIDGET_OFFS_PACK
mov yl, xl ; use parent
mov yh, xh
rcall Widget_PackSelfY ; R7:R6=new pos (r17, r18, r19, r20, r21)
pop yh
pop yl
std Y+WIDGET_OFFS_Y_LO, r6
std Y+WIDGET_OFFS_Y_HI, r7
rcall OBJ_GetNext
rjmp hLayoutVertically_loop
hLayoutVertically_loopEnd:
pop yh
pop yl
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutHorizontally
;
; @param Y pointer to widget
; @clobbers any, !Y
hLayoutHorizontally:
ldd r16, Y+HLAYOUT_OFFS_MODE
cpi r16, HLAYOUT_MODE_SPREAD
breq hLayoutHorizontally_spread
rjmp hLayoutExpand
hLayoutHorizontally_spread:
rjmp hLayoutSpread
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutExpand
;
; @param Y pointer to widget
; @clobbers any, !Y
hLayoutExpand:
rcall Layout_SetDefaultWidths
rcall Layout_SumTmpValues ; r19:r18=width+borders
ldd r22, Y+WIDGET_OFFS_WIDTH_LO
ldd r23, Y+WIDGET_OFFS_WIDTH_HI
sub r22, r18
sbc r23, r19 ; r23:r22=(height-usedSpace)=unusedSpace
breq hLayoutExpand_setX
brcs hLayoutExpand_setX
; r23:r22=remaining space to distribute
push r22
push r23
ldi r22, (1<<WIDGET_PACK_HSELF1_BIT) | (1<<WIDGET_PACK_HSELF0_BIT) ; mask
ldi r23, (WIDGET_PACK_FILLED<<WIDGET_PACK_HSELF0_BIT) ; value
rcall LayoutCountChildrenWithPackMode ; r16=number of expandable child widgets
pop r23
pop r22
tst r16
breq hLayoutExpand_setX
; calc space to add to each expandable child widget and add it
mov r20, r22
mov r21, r23
mov r22, r16
clr r23
bigcall Utils_Divu16_16_16 ; r17:r16=space per expandable child widget
mov r20, r16
mov r21, r17
ldi r22, (1<<WIDGET_PACK_HSELF1_BIT) | (1<<WIDGET_PACK_HSELF0_BIT) ; mask
ldi r23, (WIDGET_PACK_FILLED<<WIDGET_PACK_HSELF0_BIT) ; value
bigcall LayoutIncTmpOnMatchingPack
hLayoutExpand_setX:
rcall hLayoutSetX
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutExpand
;
; @param Y pointer to widget
; @clobbers any, !Y
hLayoutSpread:
rcall hLayoutPrepareSpread ; (any, !Y)
rcall hLayoutFinalizeSpread ; (r18, r19, X)
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutPrepareSpread
;
; @param Y pointer to widget
; @return X startpos
; @return r21:r20 extra space (in pixels)
; @return r25:r24 spacing (including extra space)
; @clobbers any, !Y
hLayoutPrepareSpread:
rcall Layout_SetDefaultWidths ; (any, !Y)
rcall Layout_SumTmpValues ; r21:r20=width+borders
ldd r18, Y+WIDGET_OFFS_WIDTH_LO
ldd r19, Y+WIDGET_OFFS_WIDTH_HI
sub r18, r20 ; width-usedWidth
sbc r19, r21
brcc hLayoutPrepareSpread_calcAdd
clr r20
clr r21
rjmp hLayoutPrepareSpread_finish
hLayoutPrepareSpread_calcAdd:
mov r20, r18
mov r21, r19 ; remaining space
rcall LayoutCountVisibleChildren ; r16=number of visible child widgets (r17, r18, r19)
inc r16 ; r16=number of spacings (begin->between->end)
mov r22, r16
push r22
ldi r22, (1<<WIDGET_PACK_HSELF1_BIT) | \
(1<<WIDGET_PACK_HSELF0_BIT) ; mask
ldi r23, (WIDGET_PACK_FILLED<<WIDGET_PACK_HSELF0_BIT) ; value
rcall LayoutCountChildrenWithPackMode ; r16=number of expandable children (r17, r18, r19)
pop r22
add r22, r16 ; r22=number of items to spread
clr r23
bigcall Utils_Divu16_16_16 ; r17:r16=space per element
mov r20, r16
mov r21, r17 ; r21:20=additional space per element
hLayoutPrepareSpread_finish:
; get and adjust spacing, setup start pos
ldd zl, Y+WIDGET_OFFS_STYLE_LO
ldd zh, Y+WIDGET_OFFS_STYLE_HI
adiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
lpm xl, Z+ ; border
clr xh
lpm r24, Z ; spacing
clr r25
add r24, r20 ; add extra space to spacing
adc r25, r21
add xl, r20 ; add extra space to border
adc xh, r21
ret
; @end
; ---------------------------------------------------------------------------
; @routine hLayoutFinalizeSpread
;
; @param Y pointer to widget
; @param X startpos
; @param r21:r20 extra space (in pixels)
; @param r25:r24 spacing (including extra space)
; @clobbers r18, r19, X
hLayoutFinalizeSpread:
push yl
push yh
bigcall OBJ_GetFirstChild
brcc hLayoutFinalizeSpread_done
hLayoutFinalizeSpread_loop:
mov yl, r18
mov yh, r19
ldd r17, Y+OBJECT_OFFS_FLAGS
sbrs r17, WIDGET_FLAGS_VISIBLE_BIT ; skip invisible widgets
rjmp hLayoutFinalizeSpread_next
; store pos
std Y+WIDGET_OFFS_X_LO, xl
std Y+WIDGET_OFFS_X_LO, xh
; determine final height of child widget
ldd r18, Y+WIDGET_OFFS_TMP_LO
ldd r19, Y+WIDGET_OFFS_TMP_LO
ldd r16, Y+WIDGET_OFFS_PACK
andi r16, (1<<WIDGET_PACK_HSELF1_BIT) | (1<<WIDGET_PACK_HSELF0_BIT)
cpi r16, (WIDGET_PACK_FILLED<<WIDGET_PACK_HSELF0_BIT)
brne hLayoutFinalizeSpread_setWidth
add r18, r20 ; add extra space
adc r19, r21
hLayoutFinalizeSpread_setWidth:
std Y+WIDGET_OFFS_WIDTH_LO, r18
std Y+WIDGET_OFFS_WIDTH_HI, r19
; advance pos
add xl, r18 ; add width to current pos
adc xh, r19
add xl, r24 ; add spacing to current pos
adc xh, r25
hLayoutFinalizeSpread_next:
rcall OBJ_GetNext ; r19:r18=object (none)
brcs hLayoutFinalizeSpread_loop
hLayoutFinalizeSpread_done:
pop yh
pop yl
ret
; @end
; ***************************************************************************
; data in FLASH
HLayout_DefaultSignalmap:
; header
.dw Widget_DefaultSignalmap*2 ; next table to use
; entries
.db 0, WIDGET_SIGNAL_LAYOUT, LOW(HLayout_OnLayout), HIGH(HLayout_OnLayout)
.db WIDGET_VALUE_DEFAULT_WIDTH, WIDGET_SIGNAL_GETVALUE, LOW(HLayout_OnGetDefaultWidth), HIGH(HLayout_OnGetDefaultWidth)
.db WIDGET_VALUE_DEFAULT_HEIGHT, WIDGET_SIGNAL_GETVALUE, LOW(HLayout_OnGetDefaultHeight), HIGH(HLayout_OnGetDefaultHeight)
.db 0, 0, 0, 0 ; end of table
#endif