Input.c

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/*
 * ObjectivelyMVC: Object oriented MVC framework for SDL3 and C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#include <assert.h>
 
#include "Input.h"
 
const EnumName InputOrientationNames[] = MakeEnumNames(
  MakeEnumName(InputOrientationLeft),
  MakeEnumName(InputOrientationRight),
  MakeEnumName(InputOrientationAbove),
  MakeEnumName(InputOrientationBelow)
);
 
#define _Class _Input
 
#pragma mark - Object
 
static void dealloc(Object *self) {
 
  Input *this = (Input *) self;
 
  release(this->control);
  release(this->label);
 
  super(Object, self, dealloc);
}
 
#pragma mark - View
 
static void awakeWithDictionary(View *self, const Dictionary *dictionary) {
 
  super(View, self, awakeWithDictionary, dictionary);
 
  Input *this = (Input *) self;
 
  const Inlet inlets[] = MakeInlets(
    MakeInlet("control", InletTypeView, &this->control, NULL),
    MakeInlet("label", InletTypeView, &this->label, NULL),
    MakeInlet("orientation", InletTypeEnum, &this->orientation, (ident) InputOrientationNames)
  );
 
  $(self, bind, inlets, dictionary);
 
  $(this, setOrientation, this->orientation);
}
 
static View *init(View *self) {
  return (View *) $((Input *) self, initWithFrame, NULL);
}
 
#pragma mark - Input
 
static Input *initWithFrame(Input *self, const SDL_Rect *frame) {
 
  self = (Input *) super(StackView, self, initWithFrame, frame);
  if (self) {
 
    self->control = $(alloc(Control), initWithFrame, NULL);
    assert(self->control);
 
    self->label = $(alloc(Label), initWithText, NULL, NULL);
    assert(self->label);
 
    $((View *) self, addSubview, (View *) self->control);
    $((View *) self, addSubview, (View *) self->label);
 
    $((View *) self, addClassName, "container");
 
    $(self, setOrientation, InputOrientationLeft);
  }
 
  return self;
}
 
static void setControl(Input *self, Control *control) {
 
  assert(control);
 
  $((View *) self, removeSubview, (View *) self->control);
  release(self->control);
 
  self->control = retain(control);
  $((View *) self, addSubview, (View *) self->control);
 
  $(self, setOrientation, self->orientation);
}
 
static void setLabel(Input *self, Label *label) {
 
  assert(label);
 
  $((View *) self, removeSubview, (View *) self->label);
  release(self->label);
 
  self->label = retain(label);
  $((View *) self, addSubview, (View *) self->label);
 
  $(self, setOrientation, self->orientation);
}
 
static void setOrientation(Input *self, InputOrientation orientation) {
 
  self->orientation = orientation;
 
  $((View *) self->control, removeFromSuperview);
  $((View *) self->label, removeFromSuperview);
 
  switch (self->orientation) {
    case InputOrientationLeft:
    case InputOrientationAbove:
      $((View *) self, addSubview, (View *) self->label);
      $((View *) self, addSubview, (View *) self->control);
      break;
 
    case InputOrientationRight:
    case InputOrientationBelow:
      $((View *) self, addSubview, (View *) self->control);
      $((View *) self, addSubview, (View *) self->label);
      break;
  }
 
  switch (self->orientation) {
    case InputOrientationLeft:
      self->stackView.axis = StackViewAxisHorizontal;
      self->label->view.alignment = ViewAlignmentMiddleLeft;
      self->control->view.alignment = ViewAlignmentMiddleRight;
      break;
 
    case InputOrientationRight:
      self->stackView.axis = StackViewAxisHorizontal;
      self->label->view.alignment = ViewAlignmentMiddleRight;
      self->control->view.alignment = ViewAlignmentMiddleLeft;
      break;
 
    case InputOrientationAbove:
    case InputOrientationBelow:
      self->stackView.axis = StackViewAxisVertical;
      self->label->view.alignment = ViewAlignmentMiddleCenter;
      self->control->view.alignment = ViewAlignmentMiddleCenter;
      break;
  }
}
 
#pragma mark - Class lifecycle
 
static void initialize(Class *clazz) {
 
  ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
  ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
  ((ViewInterface *) clazz->interface)->init = init;
 
  ((InputInterface *) clazz->interface)->initWithFrame = initWithFrame;
  ((InputInterface *) clazz->interface)->setControl = setControl;
  ((InputInterface *) clazz->interface)->setLabel = setLabel;
  ((InputInterface *) clazz->interface)->setOrientation = setOrientation;
}
 
Class *_Input(void) {
  static Class *clazz;
  static Once once;
 
  do_once(&once, {
    clazz = _initialize(&(const ClassDef) {
      .name = "Input",
      .superclass = _StackView(),
      .instanceSize = sizeof(Input),
      .interfaceOffset = offsetof(Input, interface),
      .interfaceSize = sizeof(InputInterface),
      .initialize = initialize,
    });
  });
 
  return clazz;
}
 
#undef _Class