View.c File Reference

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <Objectively.h>
#include "Log.h"
#include "View.h"
#include "ViewController.h"
#include "WindowController.h"
#include "Window.h"

Go to the source code of this file.

Data Structures
struct	Overflow

Macros
#define	_Class   _View

Functions
static void	_applyThemeIfNeeded (View *view, ident data)
	ViewEnumerator adapter for applyThemeIfNeeded.
static bool	_bind (View *self, const Inlet *inlets, const Dictionary *dictionary)
static void	_draw (View *view, ident data)
	ViewEnumerator adapter for draw.
static Set *	_select (View *self, const char *rule)
Class *	_View (void)
static bool	acceptsKeyResponder (const View *self)
static bool	acceptsTouchResponder (const View *self)
static void	addClassName (View *self, const char *className)
static void	addSubview (View *self, View *subview)
static void	addSubviewRelativeTo (View *self, View *subview, View *other, ViewPosition position)
static View *	ancestorWithIdentifier (const View *self, const char *identifier)
static void	applyStyle (View *self, const Style *style)
static void	applyTheme (View *self, const Theme *theme)
static void	applyThemeIfNeeded (View *self, const Theme *theme)
static void	attachStylesheet (View *self, SDL_Window *window)
static void	awakeWithCharacters (View *self, const char *chars)
static void	awakeWithData (View *self, const Data *data)
static void	awakeWithDictionary (View *self, const Dictionary *dictionary)
static void	awakeWithResource (View *self, const Resource *resource)
static void	awakeWithResourceName (View *self, const char *name)
static void	becomeKeyResponder (View *self)
static void	becomeTouchResponder (View *self)
static SDL_Rect	bounds (const View *self)
static void	bringSubviewToFront (View *self, View *subview)
static void	clearWarnings (const View *self, WarningType type)
static bool	clearWarnings_predicate (const ident obj, ident data)
	Filter Predicate for clearWarnings.
static SDL_Rect	clippingFrame (const View *self)
static bool	containsPoint (const View *self, const SDL_Point *point)
static void	dealloc (Object *self)
static int	depth (const View *self)
static View *	descendantWithIdentifier (const View *self, const char *identifier)
static String *	description (const Object *self)
static void	detachStylesheet (View *self, SDL_Window *window)
static void	didMoveToWindow (View *self, SDL_Window *window)
static bool	didReceiveEvent (const View *self, const SDL_Event *event)
static void	draw (View *self, Renderer *renderer)
static void	emitViewEvent (View *self, ViewEvent code, ident data)
static void	enumerate (View *self, ViewEnumerator enumerator, ident data)
static void	enumerateAdjacent (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateAncestors (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateDescendants (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateSelection (View *self, const char *rule, ViewEnumerator enumerator, ident data)
static void	enumerateSiblings (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateSubviews (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateSuperview (const View *self, ViewEnumerator enumerator, ident data)
static void	enumerateVisible (View *self, ViewEnumerator enumerator, ident data)
static bool	filterViewEvents (void *data, SDL_Event *event)
static bool	hasClassName (const View *self, const char *className)
static bool	hasClassName_predicate (const ident obj, ident data)
	Predicate for hasClassName.
static bool	hasOverflow (const View *self)
static void	hasOverflow_enumerate (View *view, ident data)
	ViewEnumerator for hasOverflow.
static View *	hitTest (const View *self, const SDL_Point *point)
static View *	init (View *self)
static void	initialize (Class *clazz)
static View *	initWithFrame (View *self, const SDL_Rect *frame)
static void	invalidateStyle (View *self)
static void	invalidateStyle_enumerate (View *view, ident data)
	ViewEnumerator for invalidateStyle.
static bool	isContainer (const View *self)
static bool	isDescendantOfView (const View *self, const View *view)
static bool	isKeyResponder (const View *self)
static bool	isTouchResponder (const View *self)
static bool	isVisible (const View *self)
static void	layoutIfNeeded (View *self)
static void	layoutIfNeeded_enumerate (View *subview, ident data)
	ViewEnumerator for layoutIfNeeded recursion.
static void	layoutSubviews (View *self)
static bool	matchesSelector (const View *self, const SimpleSelector *simpleSelector)
static void	moveToWindow (View *self, SDL_Window *window)
static void	moveToWindow_enumerate (View *subview, ident data)
	ViewEnumerator for moveToWindow recursion.
static void	nullifySuperview (View *subview, ident data)
	ViewEnumerator to null out superview pointers during parent dealloc.
static String *	path (const View *self)
static void	removeAllClassNames (View *self)
static void	removeAllSubviews (View *self)
static void	removeAllSubviews_enumerate (const Array *array, ident obj, ident data)
	ArrayEnumerator for removeAllSubviews.
static void	removeClassName (View *self, const char *className)
static void	removeFromSuperview (View *self)
static void	removeSubview (View *self, View *subview)
static void	render (View *self, Renderer *renderer)
static void	renderDeviceDidReset (View *self)
static void	renderDeviceDidReset_enumerate (View *subview, ident data)
	ViewEnumerator for renderDeviceDidReset recursion.
static void	renderDeviceWillReset (View *self)
static void	renderDeviceWillReset_enumerate (View *subview, ident data)
	ViewEnumerator for renderDeviceWillReset recursion.
static SDL_Rect	renderFrame (const View *self)
static void	replaceSubview (View *self, View *subview, View *replacement)
static void	resignKeyResponder (View *self)
static void	resignTouchResponder (View *self)
static void	resize (View *self, const SDL_Size *size)
static void	resolve (View *self, Outlet *outlets)
static void	respondToEvent (View *self, const SDL_Event *event)
static View *	selectFirst (View *self, const char *rule)
static SDL_Size	size (const View *self)
static SDL_Size	sizeThatContains (const View *self)
static SDL_Size	sizeThatFills (const View *self)
static SDL_Size	sizeThatFits (const View *self)
static void	sizeToContain (View *self)
static void	sizeToFill (View *self)
static void	sizeToFit (View *self)
static View *	subviewWithIdentifier (const View *self, const char *identifier)
static void	updateBindings (View *self)
static void	updateBindings_enumerate (View *subview, ident data)
	ViewEnumerator for updateBindings recursion.
static SDL_Rect	viewport (const View *self)
static View *	viewWithCharacters (const char *chars, Outlet *outlets)
static View *	viewWithData (const Data *data, Outlet *outlets)
static View *	viewWithDictionary (const Dictionary *dictionary, Outlet *outlets)
static View *	viewWithResource (const Resource *resource, Outlet *outlets)
static View *	viewWithResourceName (const char *name, Outlet *outlets)
static Array *	visibleSubviews (const View *self)
static bool	visibleSubviews_filter (ident obj, ident data)
	Predicate for visibleSubviews.
static void	warn (View *self, WarningType type, const char *fmt,...)
static void	willMoveToWindow (View *self, SDL_Window *window)

Variables
Uint32	MVC_NOTIFICATION_EVENT
Uint32	MVC_VIEW_EVENT
const EnumName	ViewAlignmentNames []
const EnumName	ViewAutoresizingNames []

Macro Definition Documentation

_Class

#define _Class   _View

Definition at line 68 of file View.c.

Function Documentation

_applyThemeIfNeeded()

static void _applyThemeIfNeeded ( View *  view, ident  data  )

static

ViewEnumerator adapter for applyThemeIfNeeded.

Definition at line 313 of file View.c.

                                                        {
  applyThemeIfNeeded(view, (const Theme *) data);
}

_bind()

static bool _bind ( View *  self, const Inlet *  inlets, const Dictionary *  dictionary  )

static

Definition at line 475 of file View.c.

                                                                                 {
 
  if (inlets) {
    if (bindInlets(inlets, dictionary)) {
      self->needsApplyTheme = true;
      self->needsLayout = true;
      return true;
    }
  }
 
  return false;
}

_draw()

static void _draw ( View *  view, ident  data  )

static

ViewEnumerator adapter for draw.

Definition at line 716 of file View.c.

                                          {
  draw(view, (Renderer *) data);
}

_select()

static Set * _select ( View *  self, const char *  rule  )

static

Definition at line 1621 of file View.c.

                                                  {
 
  Selector *selector = $(alloc(Selector), initWithRule, rule);
  assert(selector);
 
  Set *selection = $(selector, select, self);
 
  release(selector);
  return selection;
}

_View()

Class * _View

(

void

)

Definition at line 2067 of file View.c.

                   {
  static Class *clazz;
  static Once once;
 
  do_once(&once, {
    clazz = _initialize(&(const ClassDef) {
      .name = "View",
      .superclass = _Object(),
      .instanceSize = sizeof(View),
      .interfaceOffset = offsetof(View, interface),
      .interfaceSize = sizeof(ViewInterface),
      .initialize = initialize,
    });
  });
 
  return clazz;
}

acceptsKeyResponder()

static bool acceptsKeyResponder ( const View *  self )

static

Definition at line 143 of file View.c.

                                                  {
  return false;
}

acceptsTouchResponder()

static bool acceptsTouchResponder ( const View *  self )

static

Definition at line 151 of file View.c.

                                                    {
  return false;
}

addClassName()

static void addClassName ( View *  self, const char *  className  )

static

Definition at line 159 of file View.c.

                                                            {
 
  if (className) {
 
    String *string = $$(String, stringWithCharacters, className);
    assert(string);
 
    $(self->classNames, addObject, string);
    release(string);
 
    $(self, invalidateStyle);
  }
}

addSubview()

static void addSubview ( View *  self, View *  subview  )

static

Definition at line 177 of file View.c.

                                                  {
  $(self, addSubviewRelativeTo, subview, NULL, ViewPositionAfter);
}

addSubviewRelativeTo()

static void addSubviewRelativeTo ( View *  self, View *  subview, View *  other, ViewPosition  position  )

static

Definition at line 185 of file View.c.

                                                                                                {
 
  assert(subview);
  assert(subview != other);
 
  retain(subview);
 
  $(subview, removeFromSuperview);
 
  if (other && other->superview == self) {
 
    const Array *subviews = (Array *) self->subviews;
    const ssize_t index = $(subviews, indexOfObject, other);
 
    if (position == ViewPositionAfter) {
      if (index == (ssize_t) (subviews->count - 1)) {
        $(self->subviews, addObject, subview);
      } else {
        $(self->subviews, insertObjectAtIndex, subview, index + 1);
      }
    } else {
      $(self->subviews, insertObjectAtIndex, subview, index);
    }
  } else {
    $(self->subviews, addObject, subview);
  }
 
  release(subview);
 
  subview->superview = self;
 
  $(subview, moveToWindow, self->window);
 
  $(subview, invalidateStyle);
 
  self->needsLayout = true;
}

ancestorWithIdentifier()

static View * ancestorWithIdentifier ( const View *  self, const char *  identifier  )

static

Definition at line 227 of file View.c.

                                                                              {
 
  assert(identifier);
 
  View *view = (View *) self;
  while (view) {
    if (view->identifier) {
      if (strcmp(identifier, view->identifier) == 0) {
        return view;
      }
    }
    view = view->superview;
  }
 
  return NULL;
}

applyStyle()

static void applyStyle ( View *  self, const Style *  style  )

static

Definition at line 248 of file View.c.

                                                       {
 
  assert(style);
 
  const Inlet inlets[] = MakeInlets(
    MakeInlet("alignment", InletTypeEnum, &self->alignment, (ident) ViewAlignmentNames),
    MakeInlet("autoresizing-mask", InletTypeEnum, &self->autoresizingMask, (ident) ViewAutoresizingNames),
    MakeInlet("background-color", InletTypeColor, &self->backgroundColor, NULL),
    MakeInlet("border-color", InletTypeColor, &self->borderColor, NULL),
    MakeInlet("border-width", InletTypeInteger, &self->borderWidth, NULL),
    MakeInlet("clips-subviews", InletTypeBool, &self->clipsSubviews, NULL),
    MakeInlet("frame", InletTypeRectangle, &self->frame, NULL),
    MakeInlet("hidden", InletTypeBool, &self->hidden, NULL),
    MakeInlet("height", InletTypeInteger, &self->frame.h, NULL),
    MakeInlet("left", InletTypeInteger, &self->frame.x, NULL),
    MakeInlet("max-height", InletTypeInteger, &self->maxSize.h, NULL),
    MakeInlet("max-size", InletTypeSize, &self->maxSize, NULL),
    MakeInlet("max-width", InletTypeInteger, &self->maxSize.w, NULL),
    MakeInlet("min-height", InletTypeInteger, &self->minSize.h, NULL),
    MakeInlet("min-size", InletTypeSize, &self->minSize, NULL),
    MakeInlet("min-width", InletTypeInteger, &self->minSize.w, NULL),
    MakeInlet("padding", InletTypeRectangle, &self->padding, NULL),
    MakeInlet("padding-top", InletTypeInteger, &self->padding.top, NULL),
    MakeInlet("padding-right", InletTypeInteger, &self->padding.right, NULL),
    MakeInlet("padding-bottom", InletTypeInteger, &self->padding.bottom, NULL),
    MakeInlet("padding-left", InletTypeInteger, &self->padding.left, NULL),
    MakeInlet("top", InletTypeInteger, &self->frame.y, NULL),
    MakeInlet("width", InletTypeInteger, &self->frame.w, NULL)
  );
 
  $(self, bind, inlets, style->attributes);
}

applyTheme()

static void applyTheme ( View *  self, const Theme *  theme  )

static

Definition at line 285 of file View.c.

                                                       {
 
  assert(theme);
 
  Style *computedStyle = $(theme, computeStyle, self);
  assert(computedStyle);
 
  if (!$(self->computedStyle, isComputedEqual, computedStyle)) {
 
    release(self->computedStyle);
    self->computedStyle = retain(computedStyle);
 
    $(self->computedStyle, addAttributes, self->style->attributes);
    $(self, applyStyle, self->computedStyle);
  }
 
  release(computedStyle);
}

applyThemeIfNeeded()

static void applyThemeIfNeeded ( View *  self, const Theme *  theme  )

static

Definition at line 317 of file View.c.

                                                               {
 
  assert(theme);
 
  $(self, enumerateSubviews, _applyThemeIfNeeded, (ident) theme);
 
  if (self->needsApplyTheme) {
 
    $(self, clearWarnings, WarningTypeStyle);
 
    $(self, applyTheme, theme);
 
    self->needsApplyTheme = false;
  }
}

attachStylesheet()

static void attachStylesheet ( View *  self, SDL_Window *  window  )

static

Definition at line 337 of file View.c.

                                                             {
 
  assert(window);
 
  if (self->stylesheet) {
    Theme *theme = $$(Theme, theme, window);
    if (theme) {
      $(theme, addStylesheet, self->stylesheet);
    }
  }
}

awakeWithCharacters()

static void awakeWithCharacters ( View *  self, const char *  chars  )

static

Definition at line 353 of file View.c.

                                                               {
 
  Data *data = $$(Data, dataWithConstMemory, (uint8_t *) chars, strlen(chars));
 
  $(self, awakeWithData, data);
 
  release(data);
}

awakeWithData()

static void awakeWithData ( View *  self, const Data *  data  )

static

Definition at line 366 of file View.c.

                                                        {
 
  JSONContext *ctx = $(alloc(JSONContext), init);
  Dictionary *dictionary = $(ctx, objectFromData, data, 0);
 
  if (dictionary) {
    $(self, awakeWithDictionary, dictionary);
    release(dictionary);
  } else {
    MVC_LogError("Failed to parse JSON for %s\n", classnameof(self));
  }
 
  release(ctx);
}

awakeWithDictionary()

static void awakeWithDictionary ( View *  self, const Dictionary *  dictionary  )

static

Definition at line 385 of file View.c.

                                                                          {
 
  assert(dictionary);
 
  const Inlet inlets[] = MakeInlets(
    MakeInlet("identifier", InletTypeCharacters, &self->identifier, NULL),
    MakeInlet("classNames", InletTypeClassNames, &self, NULL),
    MakeInlet("style", InletTypeStyle, &self, NULL),
    MakeInlet("subviews", InletTypeSubviews, &self, NULL)
  );
 
  $(self, bind, inlets, dictionary);
}

awakeWithResource()

static void awakeWithResource ( View *  self, const Resource *  resource  )

static

Definition at line 403 of file View.c.

                                                                    {
 
  assert(resource);
 
  $(self, awakeWithData, resource->data);
}

awakeWithResourceName()

static void awakeWithResourceName ( View *  self, const char *  name  )

static

Definition at line 414 of file View.c.

                                                                {
 
  Resource *resource = $$(Resource, resourceWithName, name);
 
  $(self, awakeWithResource, resource);
 
  release(resource);
}

becomeKeyResponder()

static void becomeKeyResponder ( View *  self )

static

Definition at line 427 of file View.c.

                                           {
 
  assert(self->window);
 
  if (!$(self, isKeyResponder)) {
    SDL_PropertiesID props = SDL_GetWindowProperties(self->window);
 
    View *keyResponder = SDL_GetPointerProperty(props, "keyResponder", NULL);
    if (keyResponder) {
      $(keyResponder, resignKeyResponder);
    }
 
    String *path = $(self, path);
    MVC_LogDebug("%s\n", path->chars);
    release(path);
 
    SDL_SetPointerProperty(props, "keyResponder", self);
  }
}

becomeTouchResponder()

static void becomeTouchResponder ( View *  self )

static

Definition at line 451 of file View.c.

                                             {
 
  assert(self->window);
 
  if (!$(self, isTouchResponder)) {
    SDL_PropertiesID props = SDL_GetWindowProperties(self->window);
 
    View *touchResponder = SDL_GetPointerProperty(props, "touchResponder", NULL);
    if (touchResponder) {
      $(touchResponder, resignTouchResponder);
    }
 
    String *path = $(self, path);
    MVC_LogDebug("%s\n", path->chars);
    release(path);
 
    SDL_SetPointerProperty(props, "touchResponder", self);
  }
}

bounds()

static SDL_Rect bounds ( const View *  self )

static

Definition at line 492 of file View.c.

                                         {
 
  const SDL_Size size = $(self, size);
 
  const SDL_Rect bounds = {
    .x = self->padding.left,
    .y = self->padding.top,
    .w = max(0, size.w - (self->padding.left + self->padding.right)),
    .h = max(0, size.h - (self->padding.top + self->padding.bottom)),
  };
 
  return bounds;
}

bringSubviewToFront()

static void bringSubviewToFront ( View *  self, View *  subview  )

static

Definition at line 510 of file View.c.

                                                           {
 
  assert(subview);
 
  if (subview->superview == self) {
 
    View *last = $((Array *) self->subviews, lastObject);
    if (last != subview) {
      $(self, addSubviewRelativeTo, subview, last, ViewPositionAfter);
    }
  }
}

clearWarnings()

static void clearWarnings ( const View *  self, WarningType  type  )

static

Definition at line 538 of file View.c.

                                                              {
  $(self->warnings, filter, clearWarnings_predicate, &type);
}

clearWarnings_predicate()

static bool clearWarnings_predicate ( const ident  obj, ident  data  )

static

Filter Predicate for clearWarnings.

Definition at line 526 of file View.c.

                                                                 {
 
  const Warning *warning = obj;
  const WarningType type = *(WarningType *) data;
 
  return (warning->type & type) == 0;
}

clippingFrame()

static SDL_Rect clippingFrame ( const View *  self )

static

Definition at line 546 of file View.c.

                                                {
 
  SDL_Rect frame = $(self, renderFrame);
 
  if (self->borderWidth && self->borderColor.a) {
    for (int i = 0; i < self->borderWidth; i++) {
      frame.x -= 1;
      frame.y -= 1;
      frame.w += 2;
      frame.h += 2;
    }
  }
 
  const View *superview = self->superview;
  while (superview) {
    if (superview->clipsSubviews) {
      const SDL_Rect clippingFrame = $(superview, clippingFrame);
      if (SDL_GetRectIntersection(&clippingFrame, &frame, &frame) == false) {
 
        if (MVC_LogEnabled(SDL_LOG_PRIORITY_VERBOSE)) {
          String *desc = $((Object *) self, description);
          String *superdesc = $((Object *) superview, description);
 
          MVC_LogVerbose("%s is clipped by %s\n", desc->chars, superdesc->chars);
 
          release(desc);
          release(superdesc);
        }
 
        frame.w = frame.h = 0;
        break;
      }
    }
    superview = superview->superview;
  }
 
  return frame;
}

containsPoint()

static bool containsPoint ( const View *  self, const SDL_Point *  point  )

static

Definition at line 589 of file View.c.

                                                                    {
 
  const SDL_Rect frame = $(self, clippingFrame);
 
  return (bool) SDL_PointInRect(point, &frame);
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 94 of file View.c.

                                  {
 
  View *this = (View *) self;
 
  SDL_FilterEvents(filterViewEvents, this);
 
  $(this, moveToWindow, NULL);
 
  $(this, enumerateSubviews, nullifySuperview, NULL);
 
  free(this->identifier);
 
  release(this->classNames);
  release(this->computedStyle);
  release(this->style);
  release(this->stylesheet);
  release(this->subviews);
  release(this->warnings);
 
  this->superview = NULL;
 
  super(Object, self, dealloc);
}

depth()

static int depth ( const View *  self )

static

Definition at line 600 of file View.c.

                                   {
  return (self->superview ? $(self->superview, depth) + 1 : 0);
}

descendantWithIdentifier()

static View * descendantWithIdentifier ( const View *  self, const char *  identifier  )

static

Definition at line 608 of file View.c.

                                                                                {
 
  assert(identifier);
 
  if (self->identifier) {
    if (strcmp(identifier, self->identifier) == 0) {
      return (View *) self;
    }
  }
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
 
    const View *subview = subviews->elements[i];
    View *descendant = $(subview, descendantWithIdentifier, identifier);
    if (descendant) {
      return descendant;
    }
  }
 
  return NULL;
}

description()

static String * description ( const Object *  self )

static

See also

Object::description(const Object *)

Definition at line 121 of file View.c.

                                               {
 
  View *this = (View *) self;
  const SDL_Rect bounds = $(this, bounds);
 
  String *classNames = $((Object *) this->classNames, description);
  String *description = str("%s@%p %s [%d, %d, %d, %d]",
                this->identifier ?: classnameof(self),
                self,
                classNames->chars,
                bounds.x, bounds.y, bounds.w, bounds.h);
 
  release(classNames);
  return description;
}

detachStylesheet()

static void detachStylesheet ( View *  self, SDL_Window *  window  )

static

Definition at line 635 of file View.c.

                                                             {
 
  assert(window);
 
  if (self->stylesheet) {
    Theme *theme = $$(Theme, theme, window);
    if (theme) {
      $(theme, removeStylesheet, self->stylesheet);
    }
  }
}

didMoveToWindow()

static void didMoveToWindow ( View *  self, SDL_Window *  window  )

static

Definition at line 651 of file View.c.

                                                            {
 
  if (window) {
    $(self, attachStylesheet, window);
 
    if (self->superview == NULL) {
      $(self, sizeToFill);
    }
 
    self->needsLayout = true;
  }
}

didReceiveEvent()

static bool didReceiveEvent ( const View *  self, const SDL_Event *  event  )

static

Definition at line 668 of file View.c.

                                                                      {
 
  if ($(self, isKeyResponder)) {
    switch (event->type) {
      case SDL_EVENT_KEY_DOWN:
      case SDL_EVENT_KEY_UP:
      case SDL_EVENT_TEXT_INPUT:
        return true;
    }
  }
 
  if ($(self, isVisible)) {
 
    SDL_Point point;
 
    switch (event->type) {
      case SDL_EVENT_MOUSE_BUTTON_DOWN:
      case SDL_EVENT_MOUSE_BUTTON_UP:
        point = MakePoint(event->button.x, event->button.y);
        break;
      case SDL_EVENT_MOUSE_MOTION:
        point = MakePoint(event->motion.x, event->motion.y);
        break;
      case SDL_EVENT_MOUSE_WHEEL: {
        float mx, my;
        SDL_GetMouseState(&mx, &my);
        point = MakePoint(mx, my);
        break;
      }
      default:
        return false;
    }
 
    return $(self, containsPoint, &point);
  }
 
  return false;
}

draw()

static void draw ( View *  self, Renderer *  renderer  )

static

Definition at line 720 of file View.c.

                                                 {
 
  assert(self->window);
 
  if (self->hidden == false) {
 
    $(renderer, drawView, self);
 
    $(self, enumerateSubviews, _draw, renderer);
  }
}

emitViewEvent()

static void emitViewEvent ( View *  self, ViewEvent  code, ident  data  )

static

Definition at line 736 of file View.c.

                                                                  {
  SDL_PushEvent((SDL_Event *) &(const SDL_UserEvent) {
    .type = MVC_VIEW_EVENT,
    .code = code,
    .data1 = self,
    .data2 = data
  });
}

enumerate()

static void enumerate ( View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 749 of file View.c.

                                                                         {
 
  assert(enumerator);
 
  enumerator(self, data);
 
  $(self, enumerateDescendants, enumerator, data);
}

enumerateAdjacent()

static void enumerateAdjacent ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 762 of file View.c.

                                                                                       {
 
  assert(enumerator);
 
  if (self->superview) {
    const Array *siblings = (Array *) self->superview->subviews;
    const ssize_t index = $(siblings, indexOfObject, (const ident) self);
    if (index > 0) {
      enumerator($(siblings, objectAtIndex, index - 1), data);
    }
    if (index < (ssize_t) (siblings->count - 1)) {
      enumerator($(siblings, objectAtIndex, index + 1), data);
    }
  }
}

enumerateAncestors()

static void enumerateAncestors ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 782 of file View.c.

                                                                                        {
 
  assert(enumerator);
 
  for (View *view = self->superview; view; view = view->superview) {
    enumerator(view, data);
  }
}

enumerateDescendants()

static void enumerateDescendants ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 808 of file View.c.

                                                                                          {
 
  assert(enumerator);
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
 
    View *subview = subviews->elements[i];
    enumerator(subview, data);
 
    $(subview, enumerateDescendants, enumerator, data);
  }
}

enumerateSelection()

static void enumerateSelection ( View *  self, const char *  rule, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 795 of file View.c.

                                                                                                    {
 
  Selector *selector = $(alloc(Selector), initWithRule, rule);
  assert(selector);
 
  $(selector, enumerateSelection, self, enumerator, data);
  release(selector);
}

enumerateSiblings()

static void enumerateSiblings ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 826 of file View.c.

                                                                                       {
 
  assert(enumerator);
 
  if (self->superview) {
 
    const Array *siblings = (Array *) self->superview->subviews;
    for (size_t i = 0; i < siblings->count; i++) {
      View *sibling = siblings->elements[i];
      if (sibling != self) {
        enumerator(sibling, data);
      }
    }
  }
}

enumerateSubviews()

static void enumerateSubviews ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 846 of file View.c.

                                                                                       {
 
  assert(enumerator);
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
    enumerator((View *) subviews->elements[i], data);
  }
}

enumerateSuperview()

static void enumerateSuperview ( const View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 860 of file View.c.

                                                                                        {
 
  assert(enumerator);
 
  if (self->superview) {
    enumerator(self->superview, data);
  }
}

enumerateVisible()

static void enumerateVisible ( View *  self, ViewEnumerator  enumerator, ident  data  )

static

Definition at line 873 of file View.c.

                                                                                {
 
  if ($(self, isVisible) == false) {
    return;
  }
 
  enumerator(self, data);
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
 
    View *subview = subviews->elements[i];
    $(subview, enumerateVisible, enumerator, data);
  }
}

filterViewEvents()

static bool filterViewEvents ( void *  data, SDL_Event *  event  )

static

SDL_EventFilter to purge any MVC_VIEW_EVENTs for this View.

Definition at line 75 of file View.c.

                                                           {
 
  if (event->type == MVC_VIEW_EVENT && event->user.data1 == data) {
    return false;
  }
 
  return true;
}

hasClassName()

static bool hasClassName ( const View *  self, const char *  className  )

static

Definition at line 900 of file View.c.

                                                                  {
 
  if (className) {
    return $((Set *) self->classNames, containsObjectMatching, hasClassName_predicate, (ident) className);
  }
 
  return false;
}

hasClassName_predicate()

static bool hasClassName_predicate ( const ident  obj, ident  data  )

static

Predicate for hasClassName.

Definition at line 892 of file View.c.

                                                                {
  return strcmp(((String *) obj)->chars, (const char *) data) == 0;
}

hasOverflow()

static bool hasOverflow ( const View *  self )

static

Definition at line 939 of file View.c.

                                          {
 
  Overflow overflow = {
    .bounds = $(self, bounds)
  };
 
  $(self, enumerateSubviews, hasOverflow_enumerate, (ident) &overflow);
 
  return overflow.hasOverflow;
}

hasOverflow_enumerate()

static void hasOverflow_enumerate ( View *  view, ident  data  )

static

ViewEnumerator for hasOverflow.

Definition at line 917 of file View.c.

                                                          {
 
  Overflow *overflow = data;
 
  if (!view->hidden) {
 
    const SDL_Rect bounds = $(view, bounds);
 
    if (bounds.x + bounds.w > overflow->bounds.w || bounds.y + bounds.h > overflow->bounds.h) {
 
      overflow->hasOverflow = true;
 
      $(view, warn, WarningTypeLayout, "Exceeds superview bounds [%d %d %d %d]",
        overflow->bounds.x, overflow->bounds.y, overflow->bounds.w, overflow->bounds.h);
    }
  }
}

hitTest()

static View * hitTest ( const View *  self, const SDL_Point *  point  )

static

Definition at line 954 of file View.c.

                                                               {
 
  if (self->hidden == false) {
 
    if ($(self, containsPoint, point)) {
 
      const Array *subviews = (Array *) self->subviews;
      for (size_t i = subviews->count; i; i--) {
 
        const View *subview = subviews->elements[i - 1];
        const View *view = $(subview, hitTest, point);
        if (view) {
          return (View *) view;
        }
      }
 
      return (View *) self;
    }
  }
 
  return NULL;
}

init()

static View * init ( View *  self )

static

Definition at line 981 of file View.c.

                              {
  return $(self, initWithFrame, NULL);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 1960 of file View.c.

                                     {
 
  ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
  ((ObjectInterface *) clazz->interface)->description = description;
 
  ((ViewInterface *) clazz->interface)->acceptsKeyResponder = acceptsKeyResponder;
  ((ViewInterface *) clazz->interface)->acceptsTouchResponder = acceptsTouchResponder;
  ((ViewInterface *) clazz->interface)->addClassName = addClassName;
  ((ViewInterface *) clazz->interface)->addSubview = addSubview;
  ((ViewInterface *) clazz->interface)->addSubviewRelativeTo = addSubviewRelativeTo;
  ((ViewInterface *) clazz->interface)->ancestorWithIdentifier = ancestorWithIdentifier;
  ((ViewInterface *) clazz->interface)->applyStyle = applyStyle;
  ((ViewInterface *) clazz->interface)->applyTheme = applyTheme;
  ((ViewInterface *) clazz->interface)->applyThemeIfNeeded = applyThemeIfNeeded;
  ((ViewInterface *) clazz->interface)->attachStylesheet = attachStylesheet;
  ((ViewInterface *) clazz->interface)->awakeWithCharacters = awakeWithCharacters;
  ((ViewInterface *) clazz->interface)->awakeWithData = awakeWithData;
  ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
  ((ViewInterface *) clazz->interface)->awakeWithResource = awakeWithResource;
  ((ViewInterface *) clazz->interface)->awakeWithResourceName = awakeWithResourceName;
  ((ViewInterface *) clazz->interface)->becomeKeyResponder = becomeKeyResponder;
  ((ViewInterface *) clazz->interface)->becomeTouchResponder = becomeTouchResponder;
  ((ViewInterface *) clazz->interface)->bind = _bind;
  ((ViewInterface *) clazz->interface)->bounds = bounds;
  ((ViewInterface *) clazz->interface)->bringSubviewToFront = bringSubviewToFront;
  ((ViewInterface *) clazz->interface)->clearWarnings = clearWarnings;
  ((ViewInterface *) clazz->interface)->clippingFrame = clippingFrame;
  ((ViewInterface *) clazz->interface)->containsPoint = containsPoint;
  ((ViewInterface *) clazz->interface)->depth = depth;
  ((ViewInterface *) clazz->interface)->descendantWithIdentifier = descendantWithIdentifier;
  ((ViewInterface *) clazz->interface)->detachStylesheet = detachStylesheet;
  ((ViewInterface *) clazz->interface)->didMoveToWindow = didMoveToWindow;
  ((ViewInterface *) clazz->interface)->didReceiveEvent = didReceiveEvent;
  ((ViewInterface *) clazz->interface)->draw = draw;
  ((ViewInterface *) clazz->interface)->emitViewEvent = emitViewEvent;
  ((ViewInterface *) clazz->interface)->enumerate = enumerate;
  ((ViewInterface *) clazz->interface)->enumerateAdjacent = enumerateAdjacent;
  ((ViewInterface *) clazz->interface)->enumerateAncestors = enumerateAncestors;
  ((ViewInterface *) clazz->interface)->enumerateDescendants = enumerateDescendants;
  ((ViewInterface *) clazz->interface)->enumerateSelection = enumerateSelection;
  ((ViewInterface *) clazz->interface)->enumerateSiblings = enumerateSiblings;
  ((ViewInterface *) clazz->interface)->enumerateSubviews = enumerateSubviews;
  ((ViewInterface *) clazz->interface)->enumerateSuperview = enumerateSuperview;
  ((ViewInterface *) clazz->interface)->enumerateVisible = enumerateVisible;
  ((ViewInterface *) clazz->interface)->hasClassName = hasClassName;
  ((ViewInterface *) clazz->interface)->hasOverflow = hasOverflow;
  ((ViewInterface *) clazz->interface)->hitTest = hitTest;
  ((ViewInterface *) clazz->interface)->init = init;
  ((ViewInterface *) clazz->interface)->initWithFrame = initWithFrame;
  ((ViewInterface *) clazz->interface)->invalidateStyle = invalidateStyle;
  ((ViewInterface *) clazz->interface)->isContainer = isContainer;
  ((ViewInterface *) clazz->interface)->isDescendantOfView = isDescendantOfView;
  ((ViewInterface *) clazz->interface)->isKeyResponder = isKeyResponder;
  ((ViewInterface *) clazz->interface)->isTouchResponder = isTouchResponder;
  ((ViewInterface *) clazz->interface)->isVisible = isVisible;
  ((ViewInterface *) clazz->interface)->layoutIfNeeded = layoutIfNeeded;
  ((ViewInterface *) clazz->interface)->layoutSubviews = layoutSubviews;
  ((ViewInterface *) clazz->interface)->matchesSelector = matchesSelector;
  ((ViewInterface *) clazz->interface)->moveToWindow = moveToWindow;
  ((ViewInterface *) clazz->interface)->path = path;
  ((ViewInterface *) clazz->interface)->removeAllClassNames = removeAllClassNames;
  ((ViewInterface *) clazz->interface)->removeAllSubviews = removeAllSubviews;
  ((ViewInterface *) clazz->interface)->removeClassName = removeClassName;
  ((ViewInterface *) clazz->interface)->removeFromSuperview = removeFromSuperview;
  ((ViewInterface *) clazz->interface)->removeSubview = removeSubview;
  ((ViewInterface *) clazz->interface)->render = render;
  ((ViewInterface *) clazz->interface)->renderDeviceDidReset = renderDeviceDidReset;
  ((ViewInterface *) clazz->interface)->renderDeviceWillReset = renderDeviceWillReset;
  ((ViewInterface *) clazz->interface)->renderFrame = renderFrame;
  ((ViewInterface *) clazz->interface)->replaceSubview = replaceSubview;
  ((ViewInterface *) clazz->interface)->resignKeyResponder = resignKeyResponder;
  ((ViewInterface *) clazz->interface)->resignTouchResponder = resignTouchResponder;
  ((ViewInterface *) clazz->interface)->resize = resize;
  ((ViewInterface *) clazz->interface)->resolve = resolve;
  ((ViewInterface *) clazz->interface)->respondToEvent = respondToEvent;
  ((ViewInterface *) clazz->interface)->select = _select;
  ((ViewInterface *) clazz->interface)->selectFirst = selectFirst;
  ((ViewInterface *) clazz->interface)->size = size;
  ((ViewInterface *) clazz->interface)->sizeThatContains = sizeThatContains;
  ((ViewInterface *) clazz->interface)->sizeThatFills = sizeThatFills;
  ((ViewInterface *) clazz->interface)->sizeThatFits = sizeThatFits;
  ((ViewInterface *) clazz->interface)->sizeToContain = sizeToContain;
  ((ViewInterface *) clazz->interface)->sizeToFill = sizeToFill;
  ((ViewInterface *) clazz->interface)->sizeToFit = sizeToFit;
  ((ViewInterface *) clazz->interface)->subviewWithIdentifier = subviewWithIdentifier;
  ((ViewInterface *) clazz->interface)->updateBindings = updateBindings;
  ((ViewInterface *) clazz->interface)->viewport = viewport;
  ((ViewInterface *) clazz->interface)->viewWithCharacters = viewWithCharacters;
  ((ViewInterface *) clazz->interface)->viewWithData = viewWithData;
  ((ViewInterface *) clazz->interface)->viewWithDictionary = viewWithDictionary;
  ((ViewInterface *) clazz->interface)->viewWithResource = viewWithResource;
  ((ViewInterface *) clazz->interface)->viewWithResourceName = viewWithResourceName;
  ((ViewInterface *) clazz->interface)->visibleSubviews = visibleSubviews;
  ((ViewInterface *) clazz->interface)->warn = warn;
  ((ViewInterface *) clazz->interface)->willMoveToWindow = willMoveToWindow;
 
  MVC_NOTIFICATION_EVENT = SDL_RegisterEvents(1);
  assert(MVC_NOTIFICATION_EVENT != 0);
  
  MVC_VIEW_EVENT = SDL_RegisterEvents(1);
  assert(MVC_VIEW_EVENT != 0);
}

initWithFrame()

static View * initWithFrame ( View *  self, const SDL_Rect *  frame  )

static

Definition at line 989 of file View.c.

                                                              {
 
  self = (View *) super(Object, self, init);
  if (self) {
 
    if (frame) {
      self->frame = *frame;
    }
 
    self->classNames = $$(Set, setWithCapacity, 0);
    assert(self->classNames);
 
    self->computedStyle = $(alloc(Style), initWithAttributes, NULL);
    assert(self->computedStyle);
 
    self->subviews = $$(Array, arrayWithCapacity, 0);
    assert(self->subviews);
 
    self->style = $(alloc(Style), initWithAttributes, NULL);
    assert(self->style);
 
    self->warnings = $$(Array, arrayWithCapacity, 0);
    assert(self->warnings);
 
    self->maxSize = MakeSize(INT32_MAX, INT32_MAX);
 
    self->needsApplyTheme = true;
    self->needsLayout = true;
  }
 
  return self;
}

invalidateStyle()

static void invalidateStyle ( View *  self )

static

Definition at line 1033 of file View.c.

                                        {
  $(self, enumerate, invalidateStyle_enumerate, NULL);
}

invalidateStyle_enumerate()

static void invalidateStyle_enumerate ( View *  view, ident  data  )

static

ViewEnumerator for invalidateStyle.

Definition at line 1025 of file View.c.

                                                              {
  view->needsApplyTheme = true;
}

isContainer()

static bool isContainer ( const View *  self )

static

Definition at line 1041 of file View.c.

                                          {
  return self->autoresizingMask & (ViewAutoresizingFit | ViewAutoresizingContain);
}

isDescendantOfView()

static bool isDescendantOfView ( const View *  self, const View *  view  )

static

Definition at line 1049 of file View.c.

                                                                   {
 
  assert(view);
 
  while (self) {
    if (self == view) {
      return true;
    }
    self = self->superview;
  }
 
  return false;
}

isKeyResponder()

static bool isKeyResponder ( const View *  self )

static

Definition at line 1067 of file View.c.

                                             {
 
  if (self->window) {
    return SDL_GetPointerProperty(SDL_GetWindowProperties(self->window), "keyResponder", NULL) == self;
  } else {
    return false;
  }
}

isTouchResponder()

static bool isTouchResponder ( const View *  self )

static

Definition at line 1080 of file View.c.

                                               {
 
  if (self->window) {
    return SDL_GetPointerProperty(SDL_GetWindowProperties(self->window), "touchResponder", NULL) == self;
  } else {
    return false;
  }
}

isVisible()

static bool isVisible ( const View *  self )

static

Definition at line 1093 of file View.c.

                                        {
 
  for (const View *view = self; view; view = view->superview) {
    if (view->hidden) {
      return false;
    }
  }
 
  return true;
}

layoutIfNeeded()

static void layoutIfNeeded ( View *  self )

static

Definition at line 1115 of file View.c.

                                       {
 
  $(self, enumerateSubviews, layoutIfNeeded_enumerate, NULL);
 
  if (self->needsLayout) {
 
    $(self, clearWarnings, WarningTypeLayout);
 
    $(self, layoutSubviews);
 
    self->needsLayout = false;
  }
}

layoutIfNeeded_enumerate()

static void layoutIfNeeded_enumerate ( View *  subview, ident  data  )

static

ViewEnumerator for layoutIfNeeded recursion.

Definition at line 1107 of file View.c.

                                                                {
  $(subview, layoutIfNeeded);
}

layoutSubviews()

static void layoutSubviews ( View *  self )

static

Definition at line 1133 of file View.c.

                                       {
 
  if (self->autoresizingMask & ViewAutoresizingContain) {
    $(self, sizeToContain);
  } else if (self->autoresizingMask & ViewAutoresizingFit) {
    $(self, sizeToFit);
  }
 
  const SDL_Rect bounds = $(self, bounds);
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
 
    View *subview = subviews->elements[i];
 
    SDL_Size subviewSize = $(subview, size);
 
    if (subview->autoresizingMask & ViewAutoresizingWidth) {
      subviewSize.w = bounds.w;
    }
 
    if (subview->autoresizingMask & ViewAutoresizingHeight) {
      subviewSize.h = bounds.h;
    }
 
    $(subview, resize, &subviewSize);
    $(subview, layoutIfNeeded);
 
    switch (subview->alignment & ViewAlignmentMaskHorizontal) {
      case ViewAlignmentLeft:
        subview->frame.x = 0;
        break;
      case ViewAlignmentCenter:
        subview->frame.x = (bounds.w - subview->frame.w) * 0.5f;
        break;
      case ViewAlignmentRight:
        subview->frame.x = bounds.w - subview->frame.w;
        break;
    }
 
    switch (subview->alignment & ViewAlignmentMaskVertical) {
      case ViewAlignmentMaskTop:
        subview->frame.y = 0;
        break;
      case ViewAlignmentMaskMiddle:
        subview->frame.y = (bounds.h - subview->frame.h) * 0.5f;
        break;
      case ViewAlignmentMaskBottom:
        subview->frame.y = bounds.h - subview->frame.h;
        break;
    }
  }
}

matchesSelector()

static bool matchesSelector ( const View *  self, const SimpleSelector *  simpleSelector  )

static

Definition at line 1191 of file View.c.

                                                                                    {
 
  assert(simpleSelector);
 
  const char *pattern = simpleSelector->pattern;
 
  switch (simpleSelector->type) {
    case SimpleSelectorTypeNone:
      return false;
 
    case SimpleSelectorTypeUniversal:
      return true;
 
    case SimpleSelectorTypeType: {
      const Class *clazz = classForName(pattern);
      if (clazz) {
        return $((Object *) self, isKindOfClass, clazz);
      }
    }
      break;
 
    case SimpleSelectorTypeClass:
      return $(self, hasClassName, pattern);
 
    case SimpleSelectorTypeId:
      if (self->identifier) {
        return strcmp(self->identifier, pattern) == 0;
      } else {
        return false;
      }
 
    case SimpleSelectorTypePseudo:
      if (strcmp("first-child", pattern) == 0) {
        if (self->superview) {
          return $((Array *) self->superview->subviews, firstObject) == self;
        }
      } else if (strcmp("last-child", pattern) == 0) {
        if (self->superview) {
          return $((Array *) self->superview->subviews, lastObject) == self;
        }
      } else if (strcmp("nth-child(even)", pattern) == 0) {
        if (self->superview) {
          return ($((Array *) self->superview->subviews, indexOfObject, (ident) self) & 1) == 0;
        }
      }  else if (strcmp("nth-child(odd)", pattern) == 0) {
        if (self->superview) {
          return $((Array *) self->superview->subviews, indexOfObject, (ident) self) & 1;
        }
      } else if (strcmp("hover", pattern) == 0) {
        float mx, my;
        SDL_GetMouseState(&mx, &my);
        SDL_Point point = MakePoint(mx, my);
        return $(self, containsPoint, &point);
      }
      break;
  }
 
  return false;
}

moveToWindow()

static void moveToWindow ( View *  self, SDL_Window *  window  )

static

Definition at line 1262 of file View.c.

                                                         {
 
  $(self, willMoveToWindow, window);
 
  self->window = window;
 
  $(self, didMoveToWindow, window);
 
  $(self, enumerateSubviews, moveToWindow_enumerate, window);
}

moveToWindow_enumerate()

static void moveToWindow_enumerate ( View *  subview, ident  data  )

static

ViewEnumerator for moveToWindow recursion.

Definition at line 1254 of file View.c.

                                                              {
  $(subview, moveToWindow, data);
}

nullifySuperview()

static void nullifySuperview ( View *  subview, ident  data  )

static

ViewEnumerator to null out superview pointers during parent dealloc.

Definition at line 87 of file View.c.

                                                        {
  subview->superview = NULL;
}

path()

static String * path ( const View *  self )

static

Definition at line 1277 of file View.c.

                                      {
 
  Array *parts = $$(Array, array);
 
  const View *view = self;
  while (view) {
 
    Array *classNames = $((Set *) view->classNames, allObjects);
 
    String *part;
    if (view->identifier) {
      part = str("#%s", view->identifier);
    } else if (classNames->count) {
      part = str(".%s", ((String *) $(classNames, firstObject))->chars);
    } else {
      part = str("%s", classnameof(view));
    }
 
    release(classNames);
 
    $(parts, insertObjectAtIndex, part, 0);
    release(part);
 
    if (view->viewController) {
      break;
    }
 
    view = view->superview;
  }
 
  String *path = $((Array *) parts, componentsJoinedByCharacters, " > ");
 
  release(parts);
 
  return path;
}

removeAllClassNames()

static void removeAllClassNames ( View *  self )

static

Definition at line 1318 of file View.c.

                                            {
 
  $(self->classNames, removeAllObjects);
 
  $(self, invalidateStyle);
}

removeAllSubviews()

static void removeAllSubviews ( View *  self )

static

Definition at line 1336 of file View.c.

                                          {
  $(self->subviews, removeAllObjectsWithEnumerator, removeAllSubviews_enumerate, self);
}

removeAllSubviews_enumerate()

static void removeAllSubviews_enumerate ( const Array *  array, ident  obj, ident  data  )

static

ArrayEnumerator for removeAllSubviews.

Definition at line 1328 of file View.c.

                                                                                   {
  $((View *) data, removeSubview, obj);
}

removeClassName()

static void removeClassName ( View *  self, const char *  className  )

static

Definition at line 1344 of file View.c.

                                                               {
 
  if (className) {
    String *string = $$(String, stringWithCharacters, className);
    assert(string);
 
    $(self->classNames, removeObject, string);
    release(string);
 
    $(self, invalidateStyle);
  }
}

removeFromSuperview()

static void removeFromSuperview ( View *  self )

static

Definition at line 1361 of file View.c.

                                            {
 
  if (self->superview) {
    $(self->superview, removeSubview, self);
  }
}

removeSubview()

static void removeSubview ( View *  self, View *  subview  )

static

Definition at line 1372 of file View.c.

                                                     {
 
  assert(subview);
 
  if (subview->superview == self) {
    
    subview->superview = NULL;
 
    $(subview, moveToWindow, NULL);
 
    $(self->subviews, removeObject, subview);
 
    self->needsLayout = true;
  }
}

render()

static void render ( View *  self, Renderer *  renderer  )

static

Definition at line 1392 of file View.c.

                                                   {
 
  assert(self->window);
 
  if ($(self, hasClassName, "breakpoint")) {
    SDL_TriggerBreakpoint();
  }
  
  if (self->backgroundColor.a) {
 
    const SDL_Rect frame = $(self, renderFrame);
    $(renderer, drawRectFilled, &frame, &self->backgroundColor);
  }
 
  if (self->borderWidth && self->borderColor.a) {
 
    SDL_Rect frame = $(self, renderFrame);
    for (int i = 0; i < self->borderWidth; i++) {
 
      $(renderer, drawRect, &frame, &self->borderColor);
 
      frame.x -= 1;
      frame.y -= 1;
      frame.w += 2;
      frame.h += 2;
    }
  }
}

renderDeviceDidReset()

static void renderDeviceDidReset ( View *  self )

static

Definition at line 1432 of file View.c.

                                             {
  $(self, enumerateSubviews, renderDeviceDidReset_enumerate, NULL);
}

renderDeviceDidReset_enumerate()

static void renderDeviceDidReset_enumerate ( View *  subview, ident  data  )

static

ViewEnumerator for renderDeviceDidReset recursion.

Definition at line 1424 of file View.c.

                                                                      {
  $(subview, renderDeviceDidReset);
}

renderDeviceWillReset()

static void renderDeviceWillReset ( View *  self )

static

Definition at line 1447 of file View.c.

                                              {
  $(self, enumerateSubviews, renderDeviceWillReset_enumerate, NULL);
}

renderDeviceWillReset_enumerate()

static void renderDeviceWillReset_enumerate ( View *  subview, ident  data  )

static

ViewEnumerator for renderDeviceWillReset recursion.

Definition at line 1439 of file View.c.

                                                                       {
  $(subview, renderDeviceWillReset);
}

renderFrame()

static SDL_Rect renderFrame ( const View *  self )

static

Definition at line 1455 of file View.c.

                                              {
 
  SDL_Rect frame = self->frame;
 
  const View *view = self;
  const View *superview = view->superview;
  while (superview) {
 
    frame.x += superview->frame.x;
    frame.y += superview->frame.y;
 
    if (view->alignment != ViewAlignmentInternal) {
      frame.x += superview->padding.left;
      frame.y += superview->padding.top;
    }
 
    view = superview;
    superview = view->superview;
  }
 
  return frame;
}

replaceSubview()

static void replaceSubview ( View *  self, View *  subview, View *  replacement  )

static

Definition at line 1482 of file View.c.

                                                                         {
 
  assert(subview);
  assert(replacement);
 
  $(self, addSubviewRelativeTo, replacement, subview, ViewPositionAfter);
  $(self, removeSubview, subview);
}

resignKeyResponder()

static void resignKeyResponder ( View *  self )

static

Definition at line 1495 of file View.c.

                                           {
 
  if (self->window && $(self, isKeyResponder)) {
 
    String *path = $(self, path);
    MVC_LogDebug("%s\n", path->chars);
    release(path);
 
    SDL_SetPointerProperty(SDL_GetWindowProperties(self->window), "keyResponder", NULL);
  }
}

resignTouchResponder()

static void resignTouchResponder ( View *  self )

static

Definition at line 1511 of file View.c.

                                             {
 
  if (self->window && $(self, isTouchResponder)) {
 
    String *path = $(self, path);
    MVC_LogDebug("%s\n", path->chars);
    release(path);
 
    SDL_SetPointerProperty(SDL_GetWindowProperties(self->window), "touchResponder", NULL);
  }
}

resize()

static void resize ( View *  self, const SDL_Size *  size  )

static

Definition at line 1527 of file View.c.

                                                     {
 
  const int w = clamp(size->w, self->minSize.w, self->maxSize.w);
  const int h = clamp(size->h, self->minSize.h, self->maxSize.h);
 
  if (self->frame.w != w || self->frame.h != h) {
 
    self->frame.w = w;
    self->frame.h = h;
 
    self->needsLayout = true;
 
    if (self->superview && $(self->superview, isContainer)) {
      self->superview->needsLayout = true;
    }
  }
}

resolve()

static void resolve ( View *  self, Outlet *  outlets  )

static

Definition at line 1549 of file View.c.

                                                 {
 
  if (outlets) {
    for (Outlet *outlet = outlets; outlet->identifier; outlet++) {
      *outlet->view = $(self, descendantWithIdentifier, outlet->identifier);
      if (*outlet->view == NULL) {
        String *desc = $((Object *) self, description);
        MVC_LogError("Failed to resolve outlet '%s' for %s", outlet->identifier, desc->chars);
        release(desc);
      }
 
      assert(*outlet->view);
    }
  }
}

respondToEvent()

static void respondToEvent ( View *  self, const SDL_Event *  event  )

static

Definition at line 1569 of file View.c.

                                                               {
 
  assert(event);
 
  ViewEvent code = ViewEventNone;
 
  switch (event->type) {
    case SDL_EVENT_MOUSE_BUTTON_DOWN:
      code = ViewEventMouseButtonDown;
      break;
    case SDL_EVENT_MOUSE_BUTTON_UP:
      code = ViewEventMouseButtonUp;
      $(self, resignTouchResponder);
      break;
    case SDL_EVENT_KEY_DOWN:
      code = ViewEventKeyDown;
      break;
    case SDL_EVENT_KEY_UP:
      code = ViewEventKeyUp;
      break;
    default:
      break;
  }
 
  if (code != ViewEventNone) {
    $(self, emitViewEvent, code, NULL);
 
    if (code == ViewEventMouseButtonUp) {
      if (event->button.clicks) {
        $(self, emitViewEvent, ViewEventClick, NULL);
      }
    }
  }
 
  if (event->type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
    if ($(self, acceptsKeyResponder)) {
      $(self, becomeKeyResponder);
      return;
    }
  }
 
  if (self->nextResponder) {
    $(self->nextResponder, respondToEvent, event);
  } else if (self->superview) {
    $(self->superview, respondToEvent, event);
  }
}

selectFirst()

static View * selectFirst ( View *  self, const char *  rule  )

static

Definition at line 1636 of file View.c.

                                                       {
 
  Selector *selector = $(alloc(Selector), initWithRule, rule);
  assert(selector);
 
  View *first = $(selector, selectFirst, self);
 
  release(selector);
  return first;
}

size()

static SDL_Size size ( const View *  self )

static

Definition at line 1651 of file View.c.

                                       {
  return MakeSize(self->frame.w, self->frame.h);
}

sizeThatContains()

static SDL_Size sizeThatContains ( const View *  self )

static

Definition at line 1659 of file View.c.

                                                   {
 
  const SDL_Size size = $(self, size);
  const SDL_Size sizeThatFits = $(self, sizeThatFits);
 
  return MakeSize(max(size.w, sizeThatFits.w), max(size.h, sizeThatFits.h));
}

sizeThatFills()

static SDL_Size sizeThatFills ( const View *  self )

static

Definition at line 1671 of file View.c.

                                                {
  SDL_Size size;
 
  if (self->superview == NULL) {
    SDL_GetWindowSize(self->window, &size.w, &size.h);
  } else {
    size = $(self->superview, size);
  }
 
  return size;
}

sizeThatFits()

static SDL_Size sizeThatFits ( const View *  self )

static

Definition at line 1687 of file View.c.

                                               {
 
  SDL_Size size = $(self, size);
 
  if (self->autoresizingMask & ViewAutoresizingWidth) {
    size.w = 0;
  }
 
  if (self->autoresizingMask & ViewAutoresizingHeight) {
    size.h = 0;
  }
 
  if ($(self, isContainer)) {
    size = MakeSize(0, 0);
 
    Array *subviews = $(self, visibleSubviews);
    for (size_t i = 0; i < subviews->count; i++) {
 
      const View *subview = subviews->elements[i];
 
      SDL_Size subviewSize;
      if (subview->autoresizingMask & ViewAutoresizingContain) {
        subviewSize = $(subview, sizeThatContains);
      } else if (subview->autoresizingMask & ViewAutoresizingFit) {
        subviewSize = $(subview, sizeThatFits);
      } else {
        subviewSize = $(subview, size);
      }
 
      SDL_Point subviewOrigin = MakePoint(0, 0);
      switch (subview->alignment) {
        case ViewAlignmentNone:
          subviewOrigin = MakePoint(subview->frame.x, subview->frame.y);
          break;
        default:
          break;
      }
 
      size.w = max(size.w, subviewOrigin.x + subviewSize.w);
      size.h = max(size.h, subviewOrigin.y + subviewSize.h);
    }
 
    size.w += self->padding.left + self->padding.right;
    size.h += self->padding.top + self->padding.bottom;
 
    release(subviews);
  }
 
  size.w = clamp(size.w, self->minSize.w, self->maxSize.w);
  size.h = clamp(size.h, self->minSize.h, self->maxSize.h);
 
  return size;
}

sizeToContain()

static void sizeToContain ( View *  self )

static

Definition at line 1745 of file View.c.

                                      {
 
  const SDL_Size size = $(self, sizeThatContains);
 
  $(self, resize, &size);
}

sizeToFill()

static void sizeToFill ( View *  self )

static

Definition at line 1756 of file View.c.

                                   {
 
  const SDL_Size size = $(self, sizeThatFills);
 
  $(self, resize, &size);
}

sizeToFit()

static void sizeToFit ( View *  self )

static

Definition at line 1767 of file View.c.

                                  {
 
  const SDL_Size size = $(self, sizeThatFits);
 
  $(self, resize, &size);
}

subviewWithIdentifier()

static View * subviewWithIdentifier ( const View *  self, const char *  identifier  )

static

Definition at line 1778 of file View.c.

                                                                             {
 
  assert(identifier);
 
  const Array *subviews = (Array *) self->subviews;
  for (size_t i = 0; i < subviews->count; i++) {
 
    View *subview = subviews->elements[i];
    if (subview->identifier) {
 
      if (strcmp(identifier, subview->identifier) == 0) {
        return subview;
      }
    }
  }
 
  return NULL;
}

updateBindings()

static void updateBindings ( View *  self )

static

Definition at line 1808 of file View.c.

                                       {
  $(self, enumerateSubviews, updateBindings_enumerate, NULL);
}

updateBindings_enumerate()

static void updateBindings_enumerate ( View *  subview, ident  data  )

static

ViewEnumerator for updateBindings recursion.

Definition at line 1800 of file View.c.

                                                                {
  $(subview, updateBindings);
}

viewport()

static SDL_Rect viewport ( const View *  self )

static

Definition at line 1816 of file View.c.

                                           {
 
  assert(self->window);
 
  const SDL_Rect frame =  $(self, renderFrame);
 
  return MVC_TransformToWindow(self->window, &frame);
}

viewWithCharacters()

static View * viewWithCharacters ( const char *  chars, Outlet *  outlets  )

static

Definition at line 1829 of file View.c.

                                                                    {
 
  Data *data = $$(Data, dataWithConstMemory, (ident) chars, strlen(chars));
 
  View *view = $$(View, viewWithData, data, outlets);
 
  release(data);
 
  return view;
}

viewWithData()

static View * viewWithData ( const Data *  data, Outlet *  outlets  )

static

Definition at line 1844 of file View.c.

                                                             {
 
  JSONContext *ctx = $(alloc(JSONContext), init);
  Dictionary *dictionary = $(ctx, objectFromData, data, 0);
 
  View *view = NULL;
  if (dictionary) {
    view = $$(View, viewWithDictionary, dictionary, outlets);
    release(dictionary);
  } else {
    MVC_LogError("Failed to parse JSON\n");
  }
 
  release(ctx);
  return view;
}

viewWithDictionary()

static View * viewWithDictionary ( const Dictionary *  dictionary, Outlet *  outlets  )

static

Definition at line 1865 of file View.c.

                                                                               {
 
  View *view = NULL;
 
  BindInlet(&MakeInlet(NULL, InletTypeView, &view, NULL), dictionary);
 
  $(view, resolve, outlets);
 
  return view;
}

viewWithResource()

static View * viewWithResource ( const Resource *  resource, Outlet *  outlets  )

static

Definition at line 1880 of file View.c.

                                                                         {
 
  assert(resource);
 
  return $$(View, viewWithData, resource->data, outlets);
}

viewWithResourceName()

static View * viewWithResourceName ( const char *  name, Outlet *  outlets  )

static

Definition at line 1891 of file View.c.

                                                                     {
 
  Resource *resource = $$(Resource, resourceWithName, name);
 
  View *view = $$(View, viewWithResource, resource, outlets);
 
  release(resource);
 
  return view;
}

visibleSubviews()

static Array * visibleSubviews ( const View *  self )

static

Definition at line 1916 of file View.c.

                                                {
  return $((Array *) self->subviews, filteredArray, visibleSubviews_filter, NULL);
}

visibleSubviews_filter()

static bool visibleSubviews_filter ( ident  obj, ident  data  )

static

Predicate for visibleSubviews.

Definition at line 1905 of file View.c.

                                                          {
 
  const View *view = (View *) obj;
 
  return view->hidden == false && view->alignment != ViewAlignmentInternal;
}

warn()

static void warn ( View *  self, WarningType  type, const char *  fmt,   ...  )

static

Definition at line 1924 of file View.c.

                                                                     {
 
  va_list args;
  va_start(args, fmt);
 
  Warning *warning = $(alloc(Warning), initWithVaList, type, fmt, args);
 
  va_end(args);
 
  String *description = $((Object *) self, description);
  MVC_LogWarn("%s:: %s\n", description->chars, warning->message->chars);
  release(description);
 
  $(self->warnings, addObject, warning);
 
  release(warning);
}

willMoveToWindow()

static void willMoveToWindow ( View *  self, SDL_Window *  window  )

static

Definition at line 1946 of file View.c.

                                                             {
 
  if (self->window) {
    $(self, resignKeyResponder);
    $(self, resignTouchResponder);
    $(self, detachStylesheet, self->window);
  }
}

Variable Documentation

MVC_NOTIFICATION_EVENT

Uint32 MVC_NOTIFICATION_EVENT

Definition at line 36 of file View.c.

MVC_VIEW_EVENT

Uint32 MVC_VIEW_EVENT

Definition at line 37 of file View.c.

ViewAlignmentNames

const EnumName ViewAlignmentNames[]

Initial value:

= MakeEnumNames(
  MakeEnumAlias(ViewAlignmentNone, none),
  MakeEnumAlias(ViewAlignmentTop, top),
  MakeEnumAlias(ViewAlignmentMiddle, middle),
  MakeEnumAlias(ViewAlignmentBottom, bottom),
  MakeEnumAlias(ViewAlignmentLeft, left),
  MakeEnumAlias(ViewAlignmentCenter, center),
  MakeEnumAlias(ViewAlignmentRight, right),
  MakeEnumAlias(ViewAlignmentTopLeft, top-left),
  MakeEnumAlias(ViewAlignmentTopCenter, top-center),
  MakeEnumAlias(ViewAlignmentTopRight, top-right),
  MakeEnumAlias(ViewAlignmentMiddleLeft, middle-left),
  MakeEnumAlias(ViewAlignmentMiddleCenter, middle-center),
  MakeEnumAlias(ViewAlignmentMiddleRight, middle-right),
  MakeEnumAlias(ViewAlignmentBottomLeft, bottom-left),
  MakeEnumAlias(ViewAlignmentBottomCenter, bottom-center),
  MakeEnumAlias(ViewAlignmentBottomRight, bottom-right),
  MakeEnumAlias(ViewAlignmentInternal, internal)
)

Definition at line 39 of file View.c.

ViewAutoresizingNames

const EnumName ViewAutoresizingNames[]

Initial value:

= MakeEnumNames(
  MakeEnumAlias(ViewAutoresizingNone, none),
  MakeEnumAlias(ViewAutoresizingWidth, width),
  MakeEnumAlias(ViewAutoresizingHeight, height),
  MakeEnumAlias(ViewAutoresizingFill, fill),
  MakeEnumAlias(ViewAutoresizingFit, fit),
  MakeEnumAlias(ViewAutoresizingContain, contain)
)

Definition at line 59 of file View.c.