Control.c File Reference

#include <assert.h>
#include "Control.h"

Go to the source code of this file.

Macros
#define	_Class   _Control

Functions
Class *	_Control (void)
static _Bool	acceptsFirstResponder (const View *self)
static Array *	actionsForEvent (const Control *self, const SDL_Event *event)
static _Bool	actionsForEvent_predicate (const ident obj, ident data)
	Predicate for actionsForEvent. More...
static void	addActionForEventType (Control *self, SDL_EventType eventType, ActionFunction function, ident sender, ident data)
static void	applyStyle (View *self, const Style *style)
static _Bool	captureEvent (Control *self, const SDL_Event *event)
static void	dealloc (Object *self)
static View *	init (View *self)
static void	initialize (Class *clazz)
static Control *	initWithFrame (Control *self, const SDL_Rect *frame)
static _Bool	isDisabled (const Control *self)
static _Bool	isFocused (const Control *self)
static _Bool	isHighlighted (const Control *self)
static _Bool	isSelected (const Control *self)
static _Bool	matchesSelector (const View *self, const SimpleSelector *simpleSelector)
static void	render (View *self, Renderer *renderer)
static void	respondToEvent (View *self, const SDL_Event *event)
static void	stateDidChange (Control *self)

Variables
const EnumName	ControlBevelNames []
const EnumName	ControlSelectionNames []
const EnumName	ControlStateNames []

Macro Definition Documentation

_Class

#define _Class   _Control

Definition at line 47 of file Control.c.

Function Documentation

_Control()

Class * _Control

(

void

)

Definition at line 379 of file Control.c.

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

acceptsFirstResponder()

static _Bool acceptsFirstResponder ( const View *  self )

static

See also

View::acceptsFirstResponder(const View *)

Definition at line 68 of file Control.c.

                                                     {
    return true;
}

actionsForEvent()

static Array * actionsForEvent ( const Control *  self, const SDL_Event *  event  )

static

Definition at line 256 of file Control.c.

                                                                           {
    return $((Array *) self->actions, filteredArray, actionsForEvent_predicate, (ident) event);
}

actionsForEvent_predicate()

static _Bool actionsForEvent_predicate ( const ident  obj, ident  data  )

static

Predicate for actionsForEvent.

Definition at line 248 of file Control.c.

                                                                    {
    return ((Action *) obj)->eventType == ((SDL_Event *) data)->type;
}

addActionForEventType()

static void addActionForEventType ( Control *  self, SDL_EventType  eventType, ActionFunction  function, ident  sender, ident  data  )

static

Definition at line 264 of file Control.c.

                                                                                                                             {
 
    Action *action = $(alloc(Action), initWithEventType, eventType, function, sender, data);
 
    $(self->actions, addObject, action);
 
    release(action);
}

applyStyle()

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

static

See also

View::applyStyle(View *, const Style *)

Definition at line 75 of file Control.c.

                                                       {
 
    super(View, self, applyStyle, style);
 
    Control *this = (Control *) self;
 
    const Inlet inlets[] = MakeInlets(
        MakeInlet("bevel", InletTypeEnum, &this->bevel, (ident) (ControlBevelNames)),
        MakeInlet("selection", InletTypeEnum, &this->selection, (ident) ControlSelectionNames)
    );
 
    $(self, bind, inlets, (Dictionary *) style->attributes);
}

captureEvent()

static _Bool captureEvent ( Control *  self, const SDL_Event *  event  )

static

Definition at line 277 of file Control.c.

                                                                 {
    return false;
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 54 of file Control.c.

                                  {
 
    Control *this = (Control *) self;
 
    release(this->actions);
 
    super(Object, self, dealloc);
}

init()

static View * init ( View *  self )

static

See also

View::init(View *)

Definition at line 92 of file Control.c.

                              {
    return (View *) $((Control *) self, initWithFrame, NULL);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 353 of file Control.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
    ((ViewInterface *) clazz->interface)->acceptsFirstResponder = acceptsFirstResponder;
    ((ViewInterface *) clazz->interface)->applyStyle = applyStyle;
    ((ViewInterface *) clazz->interface)->init = init;
    ((ViewInterface *) clazz->interface)->matchesSelector = matchesSelector;
    ((ViewInterface *) clazz->interface)->render = render;
    ((ViewInterface *) clazz->interface)->respondToEvent = respondToEvent;
 
    ((ControlInterface *) clazz->interface)->actionsForEvent = actionsForEvent;
    ((ControlInterface *) clazz->interface)->addActionForEventType = addActionForEventType;
    ((ControlInterface *) clazz->interface)->captureEvent = captureEvent;
    ((ControlInterface *) clazz->interface)->initWithFrame = initWithFrame;
    ((ControlInterface *) clazz->interface)->isDisabled = isDisabled;
    ((ControlInterface *) clazz->interface)->isFocused = isFocused;
    ((ControlInterface *) clazz->interface)->isHighlighted = isHighlighted;
    ((ControlInterface *) clazz->interface)->isSelected = isSelected;
    ((ControlInterface *) clazz->interface)->stateDidChange = stateDidChange;
}

initWithFrame()

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

static

Definition at line 285 of file Control.c.

                                                                    {
 
    self = (Control *) super(View, self, initWithFrame, frame);
    if (self) {
 
        self->actions = $$(MutableArray, arrayWithCapacity, 0);
        assert(self->actions);
    }
 
    return self;
}

isDisabled()

static _Bool isDisabled ( const Control *  self )

static

Definition at line 301 of file Control.c.

                                             {
    return (self->state & ControlStateDisabled) == ControlStateDisabled;
}

isFocused()

static _Bool isFocused ( const Control *  self )

static

Definition at line 309 of file Control.c.

                                            {
    return (self->state & ControlStateFocused) == ControlStateFocused;
}

isHighlighted()

static _Bool isHighlighted ( const Control *  self )

static

Definition at line 317 of file Control.c.

                                                {
    return (self->state & ControlStateHighlighted) == ControlStateHighlighted;
}

isSelected()

static _Bool isSelected ( const Control *  self )

static

Definition at line 325 of file Control.c.

                                             {
    return (self->state & ControlStateSelected) == ControlStateSelected;
}

matchesSelector()

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

static

See also

View::matchesSelector(const View *, const SimpleSelector *)

Definition at line 99 of file Control.c.

                                                                                     {
 
    assert(simpleSelector);
 
    const Control *this = (Control *) self;
 
    switch (simpleSelector->type) {
        case SimpleSelectorTypePseudo:
            if (strcmp("highlighted", simpleSelector->pattern) == 0) {
                return $(this, isHighlighted);
            } else if (strcmp("disabled", simpleSelector->pattern) == 0) {
                return $(this, isDisabled);
            } else if (strcmp("selected", simpleSelector->pattern) == 0) {
                return $(this, isSelected);
            } else if (strcmp("focused", simpleSelector->pattern) == 0) {
                return $(this, isFocused);
            } else if (strcmp("single", simpleSelector->pattern) == 0) {
                return this->selection == ControlSelectionSingle;
            } else if (strcmp("multiple", simpleSelector->pattern) == 0) {
                return this->selection == ControlSelectionMultiple;
            }
            break;
        default:
            break;
    }
 
    return super(View, self, matchesSelector, simpleSelector);
}

render()

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

static

See also

View::render(View *, Renderer *)

Definition at line 131 of file Control.c.

                                                   {
 
    super(View, self, render, renderer);
 
    Control *this = (Control *) self;
 
    const SDL_Rect frame = $(self, renderFrame);
 
    if (this->bevel == ControlBevelInset) {
 
        $(renderer, setDrawColor, &Colors.Silver);
 
        SDL_Point points[3];
 
        points[0].x = frame.x;
        points[0].y = frame.y + frame.h;
 
        points[1].x = frame.x + frame.w;
        points[1].y = frame.y + frame.h;
 
        points[2].x = frame.x + frame.w;
        points[2].y = frame.y;
 
        $(renderer, drawLines, points, lengthof(points));
 
        $(renderer, setDrawColor, &Colors.Black);
 
        points[0].x = frame.x;
        points[0].y = frame.y + frame.h;
 
        points[1].x = frame.x;
        points[1].y = frame.y;
 
        points[2].x = frame.x + frame.w;
        points[2].y = frame.y;
 
        $(renderer, drawLines, points, lengthof(points));
 
    } else if (this->bevel == ControlBevelOutset) {
 
        $(renderer, setDrawColor, &Colors.Black);
 
        SDL_Point points[3];
 
        points[0].x = frame.x;
        points[0].y = frame.y + frame.h;
 
        points[1].x = frame.x + frame.w;
        points[1].y = frame.y + frame.h;
 
        points[2].x = frame.x + frame.w;
        points[2].y = frame.y;
 
        $(renderer, drawLines, points, lengthof(points));
 
        $(renderer, setDrawColor, &Colors.Silver);
 
        points[0].x = frame.x;
        points[0].y = frame.y + frame.h;
 
        points[1].x = frame.x;
        points[1].y = frame.y;
 
        points[2].x = frame.x + frame.w;
        points[2].y = frame.y;
 
        $(renderer, drawLines, points, lengthof(points));
    }
 
    if (this->state & ControlStateFocused) {
 
        $(renderer, setDrawColor, &Colors.Charcoal);
 
        $(renderer, drawRect, &frame);
    }
 
    $(renderer, setDrawColor, &Colors.White);
}

respondToEvent()

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

static

See also

View::respondToEvent(View *, const SDL_Event *)

Definition at line 213 of file Control.c.

                                                               {
 
    Control *this = (Control *) self;
 
    const ControlState state = this->state;
 
    const _Bool didCaptureEvent = $(this, captureEvent, event);
    if (didCaptureEvent) {
 
        const Array *actions = (Array *) this->actions;
        for (size_t i = 0; i < actions->count; i++) {
 
            const Action *action = $(actions, objectAtIndex, i);
            if (action->eventType == event->type) {
                action->function(this, event, action->sender, action->data);
            }
        }
    }
 
    if (this->state != state) {
        $(this, stateDidChange);
    }
 
    if (didCaptureEvent) {
        return;
    }
 
    super(View, self, respondToEvent, event);
}

stateDidChange()

static void stateDidChange ( Control *  self )

static

Definition at line 333 of file Control.c.

                                          {
 
    View *this = (View *) self;
 
    if (self->state & (ControlStateHighlighted | ControlStateFocused)) {
        $(this, becomeFirstResponder);
    } else {
        $(this, resignFirstResponder);
    }
 
    $(this, invalidateStyle);
 
    this->needsLayout = true;
}

Variable Documentation

ControlBevelNames

const EnumName ControlBevelNames[]

Initial value:

= MakeEnumNames(
    MakeEnumAlias(ControlBevelNone, none),
    MakeEnumAlias(ControlBevelInset, inset),
    MakeEnumAlias(ControlBevelOutset, outset)
)

Definition at line 28 of file Control.c.

ControlSelectionNames

const EnumName ControlSelectionNames[]

Initial value:

= MakeEnumNames(
    MakeEnumAlias(ControlSelectionNone, none),
    MakeEnumAlias(ControlSelectionSingle, single),
    MakeEnumAlias(ControlSelectionMultiple, multiple)
)

Definition at line 34 of file Control.c.

ControlStateNames

const EnumName ControlStateNames[]

Initial value:

= MakeEnumNames(
    MakeEnumAlias(ControlStateDefault, default),
    MakeEnumAlias(ControlStateHighlighted, highlighted),
    MakeEnumAlias(ControlStateSelected, selected),
    MakeEnumAlias(ControlStateFocused, focused)
)

Definition at line 40 of file Control.c.