ProgressBar.c File Reference

#include <assert.h>
#include <string.h>
#include "ProgressBar.h"

Go to the source code of this file.

Macros
#define	_Class   _ProgressBar

Functions
Class *	_ProgressBar (void)
static void	awakeWithDictionary (View *self, const Dictionary *dictionary)
static void	dealloc (Object *self)
static void	formatLabel (ProgressBar *self)
static View *	init (View *self)
static void	initialize (Class *clazz)
static ProgressBar *	initWithFrame (ProgressBar *self, const SDL_Rect *frame)
static double	progress (const ProgressBar *self)
static void	setLabelFormat (ProgressBar *self, const char *labelFormat)
static void	setValue (ProgressBar *self, double value)

Macro Definition Documentation

_Class

#define _Class   _ProgressBar

Definition at line 29 of file ProgressBar.c.

Function Documentation

_ProgressBar()

Class * _ProgressBar

(

void

)

Definition at line 204 of file ProgressBar.c.

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

awakeWithDictionary()

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

static

See also

View::awakeWithDictionary(View *, const Dictionary *)

Definition at line 54 of file ProgressBar.c.

                                                                          {
 
    super(View, self, awakeWithDictionary, dictionary);
 
    ProgressBar *this = (ProgressBar *) self;
 
    double value = this->value;
 
    const Inlet inlets[] = MakeInlets(
        MakeInlet("background", InletTypeView, &this->background, NULL),
        MakeInlet("foreground", InletTypeView, &this->foreground, NULL),
        MakeInlet("label", InletTypeView, &this->label, NULL),
        MakeInlet("labelFormat", InletTypeCharacters, &this->labelFormat, NULL),
        MakeInlet("min", InletTypeDouble, &this->min, NULL),
        MakeInlet("max", InletTypeDouble, &this->max, NULL),
        MakeInlet("value", InletTypeDouble, &value, NULL)
    );
 
    $(self, bind, inlets, dictionary);
 
    $(this, setValue, value);
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 36 of file ProgressBar.c.

                                  {
 
    ProgressBar *this = (ProgressBar *) self;
 
    release(this->background);
    release(this->foreground);
    release(this->label);
 
    free(this->labelFormat);
 
    super(Object, self, dealloc);
}

formatLabel()

static void formatLabel ( ProgressBar *  self )

static

Definition at line 90 of file ProgressBar.c.

                                           {
 
    char text[128];
    snprintf(text, sizeof(text), self->labelFormat, self->value);
 
    $(self->label, setText, text);
}

init()

static View * init ( View *  self )

static

See also

View::init(View *)

Definition at line 80 of file ProgressBar.c.

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

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 186 of file ProgressBar.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
    ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
    ((ViewInterface *) clazz->interface)->init = init;
 
    ((ProgressBarInterface *) clazz->interface)->formatLabel = formatLabel;
    ((ProgressBarInterface *) clazz->interface)->initWithFrame = initWithFrame;
    ((ProgressBarInterface *) clazz->interface)->progress = progress;
    ((ProgressBarInterface *) clazz->interface)->setLabelFormat = setLabelFormat;
    ((ProgressBarInterface *) clazz->interface)->setValue = setValue;
}

initWithFrame()

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

static

Definition at line 102 of file ProgressBar.c.

                                                                            {
 
    self = (ProgressBar *) super(View, self, initWithFrame, frame);
    if (self) {
 
        self->background = $(alloc(ImageView), initWithFrame, NULL);
        assert(self->background);
 
        $((View *) self->background, addClassName, "background");
        $((View *) self, addSubview, (View *) self->background);
 
        self->foreground = $(alloc(ImageView), initWithFrame, NULL);
        assert(self->foreground);
 
        $((View *) self->foreground, addClassName, "foreground");
        $((View *) self, addSubview, (View *) self->foreground);
 
        self->label = $(alloc(Text), initWithText, NULL, NULL);
        assert(self->label);
 
        $((View *) self, addSubview, (View *) self->label);
 
        $(self, setLabelFormat, "%0.0lf%%");
 
        self->value = -1.0;
        self->max = 100.0;
    }
 
    return self;
}

progress()

static double progress ( const ProgressBar *  self )

static

Definition at line 137 of file ProgressBar.c.

                                                {
    return 100.0 * self->value / (self->max - self->min);
}

setLabelFormat()

static void setLabelFormat ( ProgressBar *  self, const char *  labelFormat  )

static

Definition at line 145 of file ProgressBar.c.

                                                                       {
 
    if (self->labelFormat) {
        free(self->labelFormat);
    }
 
    self->labelFormat = strdup(labelFormat);
    $(self, formatLabel);
}

setValue()

static void setValue ( ProgressBar *  self, double  value  )

static

Definition at line 159 of file ProgressBar.c.

                                                      {
 
    value = clamp(value, self->min, self->max);
 
    const double delta = fabs(self->value - value);
    if (delta > __DBL_EPSILON__) {
        self->value = value;
 
        const SDL_Rect bounds = $((View *) self, bounds);
        const double frac = self->value / (self->max - self->min);
 
        self->foreground->view.frame.w = bounds.w * frac;
        self->view.needsLayout = true;
 
        $(self, formatLabel);
 
        if (self->delegate.didSetValue) {
            self->delegate.didSetValue(self, self->value);
        }
    }
}