ex_gui_slider_handle.c File Reference

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "nilorea/n_common.h"
#include "nilorea/n_gui.h"
#include "nilorea/n_log.h"

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Macros
#define	ALLEGRO_UNSTABLE   1

Functions
static void	expect_near (const char *label, double got, double want)
	Assert two values are equal to within a tolerance.
static void	expect_true (const char *label, int cond)
	Assert a condition, logging which check failed.
static void	handle_stays_inside (N_GUI_CTX *gui, int id, float along, const char *what)
	Check that a slider's handle is drawn whole wherever its value is.
int	main (void)
static ALLEGRO_EVENT	mouse_event (int type, int x, int y)
	Build a mouse event at (x, y).

Variables
static int	failures = 0
	Count of failed assertions.

Macro Definition Documentation

ALLEGRO_UNSTABLE

#define ALLEGRO_UNSTABLE   1

Definition at line 41 of file ex_gui_slider_handle.c.

Function Documentation

expect_near()

void expect_near ( const char * label, double got, double want )

static

Assert two values are equal to within a tolerance.

Parameters

label	What is being checked.
got	The value under test.
want	The expected value.

Examples

ex_gui_slider_handle.c, and ex_gui_slider_step.c.

Definition at line 75 of file ex_gui_slider_handle.c.

References failures, LOG_ERR, LOG_INFO, and n_log.

Referenced by main().

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expect_true()

void expect_true ( const char * label, int cond )

static

Assert a condition, logging which check failed.

Parameters

label	What is being checked.
cond	Non-zero to pass.

Definition at line 60 of file ex_gui_slider_handle.c.

References failures, LOG_ERR, LOG_INFO, and n_log.

handle_stays_inside()

void handle_stays_inside ( N_GUI_CTX * gui, int id, float along, const char * what )

static

Check that a slider's handle is drawn whole wherever its value is.

Parameters

gui	The context.
id	The slider.
along	The widget's length along its own axis.
what	A name for the log lines.

Examples

ex_gui_slider_handle.c.

Definition at line 108 of file ex_gui_slider_handle.c.

References expect_true(), failures, gui, LOG_ERR, n_gui_slider_handle_pos(), n_gui_slider_set_value(), and n_log.

Referenced by main().

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main()

int main

(

void

)

Definition at line 134 of file ex_gui_slider_handle.c.

References expect_near(), expect_true(), failures, font, gui, handle_stays_inside(), LOG_ERR, LOG_NOTICE, mouse_event(), n_gui_add_label(), n_gui_add_slider(), n_gui_add_vslider(), n_gui_add_window(), N_GUI_ALIGN_LEFT, n_gui_destroy_ctx(), n_gui_new_ctx(), n_gui_open_window(), n_gui_process_event(), n_gui_set_display_size(), n_gui_slider_get_value(), n_gui_slider_handle_pos(), n_gui_slider_set_value(), N_GUI_SLIDER_VALUE, N_GUI_WIN_FRAMELESS, n_gui_window_set_flags(), n_log, and set_log_level().

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mouse_event()

ALLEGRO_EVENT mouse_event ( int type, int x, int y )

static

Build a mouse event at (x, y).

Parameters

type	The ALLEGRO_EVENT_MOUSE_* type.
x	Cursor x.
y	Cursor y.

Returns

The event.

Definition at line 91 of file ex_gui_slider_handle.c.

References type().

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Variable Documentation

failures

int failures = 0

static

Count of failed assertions.

Definition at line 53 of file ex_gui_slider_handle.c.