dotherside/Nim/NimQml.nim

263 lines
11 KiB
Nim

import NimQmlTypes
import tables
export QObject
export QApplication
export QVariant
export QQmlApplicationEngine
export QQmlContext
type QMetaType* {.pure.} = enum
UnknownType = cint(0),
Bool = cint(1),
Int = cint(2),
QString = cint(10),
VoidStar = cint(31),
QVariant = cint(41),
Void = cint(43)
proc debugMsg(message: string) =
echo "NimQml: ", message
proc debugMsg(typeName: string, procName: string) =
var message = typeName
message &= ": "
message &= procName
debugMsg(message)
proc debugMsg(typeName: string, procName: string, userMessage: string) =
var message = typeName
message &= ": "
message &= procName
message &= " "
message &= userMessage
debugMsg(message)
# QVariant
proc dos_qvariant_create(variant: var pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_create_int(variant: var pointer, value: cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_create_bool(variant: var pointer, value: bool) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_create_string(variant: var pointer, value: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_create_qobject(variant: var pointer, value: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_delete(variant: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_isnull(variant: pointer, isNull: var bool) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_toInt(variant: pointer, value: var cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_toBool(variant: pointer, value: var bool) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_toString(variant: pointer, value: var cstring, length: var cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_setInt(variant: pointer, value: cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_setBool(variant: pointer, value: bool) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qvariant_setString(variant: pointer, value: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_chararray_delete(rawCString: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc create*(variant: var QVariant) =
var data: pointer
dos_qvariant_create(data)
variant = QVariant(data)
proc create*(variant: var QVariant, value: cint) =
var data: pointer
dos_qvariant_create_int(data, value)
variant = QVariant(data)
proc create*(variant: var QVariant, value: bool) =
var data: pointer
dos_qvariant_create_bool(data, value)
variant = QVariant(data)
proc create*(variant: var QVariant, value: string) =
var data: pointer
dos_qvariant_create_string(data, value)
variant = QVariant(data)
proc create*(variant: var QVariant, value: QObject) =
var data: pointer
dos_qvariant_create_qobject(data, value.data)
variant = QVariant(data)
proc delete*(variant: QVariant) =
debugMsg("QVariant", "delete")
dos_qvariant_delete(pointer(variant))
proc isNull*(variant: QVariant): bool =
dos_qvariant_isnull(pointer(variant), result)
proc intVal*(variant: QVariant): int =
var rawValue: cint
dos_qvariant_toInt(pointer(variant), rawValue)
result = cast[int](rawValue)
proc `intVal=`*(variant: QVariant, value: int) =
var rawValue = cast[cint](value)
dos_qvariant_setInt(pointer(variant), rawValue)
proc boolVal*(variant: QVariant): bool =
dos_qvariant_toBool(pointer(variant), result)
proc `boolVal=`*(variant: QVariant, value: bool) =
dos_qvariant_setBool(pointer(variant), value)
proc stringVal*(variant: QVariant): string =
var rawCString: cstring
var rawCStringLength: cint
dos_qvariant_toString(pointer(variant), rawCString, rawCStringLength)
result = $rawCString
dos_chararray_delete(rawCString)
proc `stringVal=`*(variant: QVariant, value: string) =
dos_qvariant_setString(pointer(variant), value)
# QQmlApplicationEngine
proc dos_qqmlapplicationengine_create(engine: var pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qqmlapplicationengine_load(engine: pointer, filename: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qqmlapplicationengine_context(engine: pointer, context: var pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qqmlapplicationengine_delete(engine: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc create*(engine: var QQmlApplicationEngine) =
var temp: pointer
dos_qqmlapplicationengine_create(temp)
engine = QQmlApplicationEngine(temp)
proc load*(engine: QQmlApplicationEngine, filename: cstring) =
dos_qqmlapplicationengine_load(pointer(engine), filename)
proc rootContext*(engine: QQmlApplicationEngine): QQmlContext =
var context: pointer
dos_qqmlapplicationengine_context(pointer(engine), context)
result = cast[QQmlContext](context)
proc delete*(engine: QQmlApplicationEngine) =
debugMsg("QQmlApplicationEngine", "delete")
dos_qqmlapplicationengine_delete(pointer(engine))
# QQmlContext
proc dos_qqmlcontext_setcontextproperty(context: pointer, propertyName: cstring, propertyValue: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc setContextProperty*(context: QQmlContext, propertyName: string, propertyValue: QVariant) =
dos_qqmlcontext_setcontextproperty(pointer(context), propertyName, pointer(propertyValue))
# QApplication
proc dos_qguiapplication_create() {.cdecl, dynlib: "libDOtherSide.so", importc.}
proc dos_qguiapplication_exec() {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qguiapplication_delete() {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc create*(application: QApplication) =
debugMsg("QApplication", "create")
dos_qguiapplication_create()
proc exec*(application: QApplication) =
debugMsg("QApplication", "exec")
dos_qguiapplication_exec()
proc delete*(application: QApplication) =
debugMsg("QApplication", "delete")
dos_qguiapplication_delete()
# QObject
type QVariantArray {.unchecked.} = array[0..0, QVariant]
type QVariantArrayPtr = ptr QVariantArray
proc dos_qobject_create(qobject: var pointer, nimobject: pointer, qobjectCallback: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qobject_delete(qobject: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qobject_slot_create(qobject: pointer, slotName: cstring, argumentsCount: cint, argumentsMetaTypes: ptr cint, slotIndex: var cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qobject_signal_create(qobject: pointer, signalName: cstring, argumentsCount: cint, argumentsMetaTypes: ptr cint, signalIndex: var cint) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qobject_signal_emit(qobject: pointer, signalName: cstring, argumentsCount: cint, arguments: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qobject_property_create(qobject: pointer, propertyName: cstring, propertyType: cint, readSlot: cstring, writeSlot: cstring, notifySignal: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
method onSlotCalled*(nimobject: QObject, slotName: string, args: openarray[QVariant]) =
debugMsg("QObject", "onSlotCalled", "begin")
debugMsg("QObject", "onSlotCalled", "end")
proc toVariantSeq(args: QVariantArrayPtr, numArgs: cint): seq[QVariant] =
result = @[]
for i in 0..numArgs-1:
result.add(args[i])
proc qobjectCallback(nimobject: pointer, slotName: QVariant, numArguments: cint, arguments: QVariantArrayPtr) {.exportc.} =
debugMsg("QObject", "qobjectCallback", "begin")
var nimQObjectCasted = cast[ptr QObject](nimobject)
# forward to the QObject subtype instance
nimQObjectCasted[].onSlotCalled(slotName.stringVal, arguments.toVariantSeq(numArguments))
debugMsg("QObject", "qobjectCallback", "end")
proc toCIntSeq(metaTypes: openarray[QMetaType]): seq[cint] =
result = @[]
for metaType in metaTypes:
result.add(cint(metaType))
proc create*(qobject: var QObject) =
qobject.name = "QObject"
qobject.slots = initTable[string,cint]()
qobject.signals = initTable[string, cint]()
dos_qobject_create(qobject.data, addr(qobject), qobjectCallback)
proc delete*(qobject: QObject) =
debugMsg("QObject", "delete")
dos_qobject_delete(qobject.data)
proc registerSlot*(qobject: var QObject,
slotName: string,
metaTypes: openarray[QMetaType]) =
# Copy the metatypes array
var copy = toCIntSeq(metatypes)
var index: cint
dos_qobject_slot_create(qobject.data, slotName, cint(copy.len), cast[ptr cint](addr(copy[0])), index)
qobject.slots[slotName] = index
proc registerSignal*(qobject: var QObject,
signalName: string,
metatypes: openarray[QMetaType]) =
var index: cint
if metatypes.len > 0:
var copy = toCIntSeq(metatypes)
dos_qobject_signal_create(qobject.data, signalName, cast[cint](copy.len), cast[ptr cint](addr(copy[0])), index)
else:
dos_qobject_signal_create(qobject.data, signalName, 0, cast[ptr cint](0), index)
qobject.signals[signalName] = index
proc registerProperty*(qobject: var QObject,
propertyName: string,
propertyType: QMetaType,
readSlot: string,
writeSlot: string,
notifySignal: string) =
dos_qobject_property_create(qobject.data, propertyName, cast[cint](propertyType), readSlot, writeSlot, notifySignal)
proc emit*(qobject: QObject, signalName: string, args: openarray[QVariant] = []) =
if args.len > 0:
var copy: seq[QVariant]
for i in 0..args.len-1:
copy.add(args[i])
dos_qobject_signal_emit(qobject.data, signalName, cast[cint](args.len), cast[pointer](addr(copy[0])))
else:
dos_qobject_signal_emit(qobject.data, signalName, 0, cast[pointer](0))
# QQuickView
proc dos_qquickview_create(view: var pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qquickview_delete(view: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qquickview_show(view: pointer) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qquickview_source(view: pointer, filename: var cstring, length: var int) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc dos_qquickview_set_source(view: pointer, filename: cstring) {.cdecl, dynlib:"libDOtherSide.so", importc.}
proc create(view: var QQuickView) =
var temp: pointer
dos_qquickview_create(temp)
view = QQuickView(temp)
proc source(view: QQuickView): cstring =
var length: int
dos_qquickview_source(pointer(view), result, length)
proc `source=`(view: QQuickView, filename: cstring) =
dos_qquickview_set_source(pointer(view), filename)
proc show(view: QQuickView) =
dos_qquickview_show(pointer(view))
proc delete(view: QQuickView) =
debugMsg("QQuickView", "delete")
dos_qquickview_delete(pointer(view))