Files
aqhomecontrol/avr/modules/lcd2/gui/base/checkbox.asm
2026-04-21 00:01:15 +02:00

220 lines
5.2 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_GUI_CHECKBOX_ASM
#define AQH_AVR_GUI_CHECKBOX_ASM
; ***************************************************************************
; This module uses two ressources to show a boolean state:
; - RESSOURCE_IMG_CHECKBOX_UNCHECKED: image showing an unchecked checkbox
; - RESSOURCE_IMG_CHECKBOX_CHECKED: image showing a checked checkbox
;
; The current state can be set with @ref CheckBox_SetState and retrieved
; with @ref CheckBox_GetState.
; ***************************************************************************
; ***************************************************************************
; defines
.equ CHECKBOX_OFFS_BEGIN = IMAGEVIEW_SIZE
.equ CHECKBOX_OFFS_STATE = CHECKBOX_OFFS_BEGIN+0
.equ CHECKBOX_SIZE = CHECKBOX_OFFS_BEGIN+1
; checkbutton states
.equ CHECKBOX_STATE_UNCHECKED = 0
.equ CHECKBOX_STATE_CHECKED = 1
; values
.equ CHECKBOX_VALUE_STATE = IMAGEVIEW_VALUE_NEXTFREE+0
.equ CHECKBOX_VALUE_NEXTFREE = IMAGEVIEW_VALUE_NEXTFREE+1
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine CheckBox_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
CheckBox_new:
ldi r24, LOW(CHECKBOX_SIZE)
ldi r25, HIGH(CHECKBOX_SIZE)
bigcall Object_Alloc ; (!r16, !r17, !X)
brcc CheckBox_new_ret
rcall CheckBox_Init ; (r16, r17, X)
sec
CheckBox_new_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine CheckBox_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
CheckBox_Init:
; call base class
ldi r20, LOW(RESSOURCE_IMG_CHECKBOX_UNCHECKED)
ldi r21, HIGH(RESSOURCE_IMG_CHECKBOX_UNCHECKED)
bigcall ImageView_Init
; set default signal map
ldi r16, LOW(CheckBox_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_LO, r16
ldi r16, HIGH(CheckBox_DefaultSignalmap*2)
std Y+OBJECT_OFFS_SIGNALMAP_HI, r16
ret
; @end
; ---------------------------------------------------------------------------
; @routine CheckBox_SetState @global
;
; @param Y address of widget
; @param r16 new state
; @clobbers any, !Y
CheckBox_SetState:
mov xl, r16
ldi r17, CHECKBOX_VALUE_STATE
bigjmp Widget_SetValue
; @end
; ---------------------------------------------------------------------------
; @routine CheckBox_GetState @global
;
; @param Y address of widget
; @return r16 state
; @clobbers any, !Y
CheckBox_GetState:
ldi r16, WIDGET_SIGNAL_GETVALUE
ldi r17, CHECKBOX_VALUE_STATE
bigcall OBJ_HandleSignal
mov r16, r18
brcs CheckBox_GetState_ret
clr r16
CheckBox_GetState_ret:
ret
; @end
; ***************************************************************************
; signal handlers
; ---------------------------------------------------------------------------
; @routine CheckBox_OnSetValueState @global
;
; @param Y address of widget
; @param XL new state to set
; @clobbers any, !Y
CheckBox_OnSetValueState:
mov r16, xl
rcall checkBoxSetState
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine CheckBox_OnGetValueState @global
;
; @param Y address of widget
; @return r18 current state
; @clobbers any, !Y
CheckBox_OnGetValueState:
ldd r18, Y+CHECKBOX_OFFS_STATE
clr r19
sec
ret
; @end
; ---------------------------------------------------------------------------
; @routine checkBoxSetState @global
;
; @param Y address of widget
; @clobbers any, !Y
; @param r16 new state to set
checkBoxSetState:
std Y+CHECKBOX_OFFS_STATE, r16
ldi xl, LOW(RESSOURCE_IMG_CHECKBOX_UNCHECKED)
ldi xh, HIGH(RESSOURCE_IMG_CHECKBOX_UNCHECKED)
ldd r17, Y+OBJECT_OFFS_FLAGS
cpi r16, CHECKBOX_STATE_UNCHECKED
breq checkBoxSetState_set
ldi xl, LOW(RESSOURCE_IMG_CHECKBOX_CHECKED)
ldi xh, HIGH(RESSOURCE_IMG_CHECKBOX_CHECKED)
checkBoxSetState_set:
sbr r17, (1<<WIDGET_FLAGS_DIRTY_BIT)
std Y+OBJECT_OFFS_FLAGS, r17
bigjmp ImageView_SetRessourceId ; (r16, r17, r18, r19)
; @end
; ***************************************************************************
; data in FLASH
CheckBox_DefaultSignalmap:
; header
.dw ImageView_DefaultSignalmap*2 ; next table to use
; entries
.db CHECKBOX_VALUE_STATE, WIDGET_SIGNAL_SETVALUE, LOW(CheckBox_OnSetValueState), HIGH(CheckBox_OnSetValueState)
.db CHECKBOX_VALUE_STATE, WIDGET_SIGNAL_GETVALUE, LOW(CheckBox_OnGetValueState), HIGH(CheckBox_OnGetValueState)
.db 0, 0, 0, 0 ; end of table
#endif