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

273 lines
6.6 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_LABEL_ASM
#define AQH_AVR_GUI2_LABEL_ASM
; ***************************************************************************
; defines
.equ LABEL_OFFS_BEGIN = WIDGET_SIZE
.equ LABEL_OFFS_TEXTRES_LO = LABEL_OFFS_BEGIN+0
.equ LABEL_OFFS_TEXTRES_HI = LABEL_OFFS_BEGIN+1
.equ LABEL_SIZE = LABEL_OFFS_BEGIN+2
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine Label_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 r21:r20 ressource id for label text
; @clobbers any
Label_new:
ldi r24, LOW(LABEL_SIZE)
ldi r25, HIGH(LABEL_SIZE)
push r20
push r21
bigcall Object_Alloc ; (!r16, !r17, !X)
pop r21
pop r20
brcc Label_new_ret
rcall Label_Init ; (r16, r17, X)
sec
Label_new_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_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 r21:r20 ressource id for label text
; @clobbers r16, r17, X
Label_Init:
push r20
push r21
; call base class
bigcall Widget_Init ; (r16, r17, X)
pop r21
pop r20
; setup label data
std Y+LABEL_OFFS_TEXTRES_LO, r20
std Y+LABEL_OFFS_TEXTRES_HI, r21
; set default signal map
ldi r16, LOW(Label_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_LO, r16
ldi r16, HIGH(Label_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_HI, r16
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_SetTextRessourceId @global
;
; @param Y address of widget
; @param X id of text ressource
; @clobbers r16, r17, r18, r19
Label_SetTextRessourceId:
std Y+LABEL_OFFS_TEXTRES_LO, xl
std Y+LABEL_OFFS_TEXTRES_HI, xh
ldd r16, Y+OBJECT_OFFS_FLAGS
ori r16, (1<<WIDGET_FLAGS_DIRTY_BIT)
std Y+OBJECT_OFFS_FLAGS, r16
; force layout of this and all parent widgets
ldi r16, (1<<WIDGET_FLAGS_LAYOUT_BIT)
bigcall OBJ_AddFlagsUp ; (r17, r18, r19)
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_OnDraw @global
;
; @param Y address of widget
; @param xl param1
; @param xh param2
; @clobbers any, !Y
Label_OnDraw:
ldd r16, Y+OBJECT_OFFS_FLAGS
andi r16, (1<<WIDGET_FLAGS_DIRTY_BIT)
breq Label_OnDraw_ret
bigcall Widget_Clear
rcall labelWriteText
ldd r16, Y+OBJECT_OFFS_OPTS
andi r16, (1<<WIDGET_OPTS_BORDER_BIT)
breq Label_OnDraw_done
bigcall Widget_DrawBorder
Label_OnDraw_done:
ldd r16, Y+OBJECT_OFFS_FLAGS
cbr r16, (1<<WIDGET_FLAGS_DIRTY_BIT)
std Y+OBJECT_OFFS_FLAGS, r16
Label_OnDraw_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_OnGetDefaultWidth @global
;
; @param Y address of widget
; @param r17 value requested
; @param xl param1
; @param xh param2
; @return CFLAG set if signal handled
; @return r19:r18 value
; @clobbers any, !Y
Label_OnGetDefaultWidth:
rcall labelCalcTextWidth
mov r18, r12
mov r19, r13
bigcall Widget_AddOuterStyleBorders ; (r20, r21)
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_OnGetDefaultHeight @global
;
; @param Y address of widget
; @param xl param1
; @param xh param2
; @return CFLAG set if signal handled
; @return r19:r18 value
; @clobbers any, !Y
Label_OnGetDefaultHeight:
bigcall Widget_GetCharHeight ; R16=char height
mov r18, r16
clr r19
bigcall Widget_AddOuterStyleBorders ; (r20, r21)
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine Label_OnDraw @global
;
; @param Y address of widget
; @clobbers any, !Y
labelWriteText:
rcall labelAlignTextXY ; (r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19)
bigcall Widget_DrawTextFlash ; (any, !Y)
labelWriteText_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine labelAlignTextXY
;
; @param Y address of widget
; @param R13:R12 width of object to align
; @return R5:R4 X
; @return R7:R6 Y
; @return Z byte address pointer to text in FLASH
; @clobbers r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25
labelAlignTextXY:
rcall labelCalcTextWidth ; Z=text, R13:R12=text width (r16, r17, r18)
bigcall Widget_PackContentX ; R5:R4=X (r17, r18, r19, r20, r21)
bigcall Widget_GetCharHeight ; R16=char height
mov r12, r16
clr r13
bigcall Widget_PackContentY ; R7:R6=Y (r17, r18, r19, r20, r21)
ret
; @end
; ---------------------------------------------------------------------------
; @routine labelCalcTextWidth
;
; @param Y address of widget
; @return Z byte address pointer to text in FLASH
; @return r13:r12 width of string
; @clobbers r16, r17, r18
labelCalcTextWidth:
; get text from ressource id
ldd r16, Y+LABEL_OFFS_TEXTRES_LO
ldd r17, Y+LABEL_OFFS_TEXTRES_HI
ldi zl, LOW(RESSOURCE_ADDR*2)
ldi zh, HIGH(RESSOURCE_ADDR*2)
bigcall RES_GetRessource ; (r16, r17, r18)
brcc labelCalcTextWidth_ret
bigcall Widget_GetCharWidth ; R16=char width
mov r18, r16
bigcall Widget_CalcStringWidthFLASH ; r13:r12=size (r16)
sec
labelCalcTextWidth_ret:
ret
; @end
; ***************************************************************************
; data in FLASH
Label_DefaultSignalmap:
; header
.dw Widget_DefaultSignalmap*2 ; next table to use
; entries
.db 0, WIDGET_SIGNAL_DRAW, LOW(Label_OnDraw), HIGH(Label_OnDraw)
.db WIDGET_VALUE_DEFAULT_WIDTH, WIDGET_SIGNAL_GETVALUE, LOW(Label_OnGetDefaultWidth), HIGH(Label_OnGetDefaultWidth)
.db WIDGET_VALUE_DEFAULT_HEIGHT, WIDGET_SIGNAL_GETVALUE, LOW(Label_OnGetDefaultHeight), HIGH(Label_OnGetDefaultHeight)
.db 0, 0, 0, 0 ; end of table
#endif