ex_gui_global_scroll.c File Reference

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

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Macros
#define	ALLEGRO_UNSTABLE   1

Functions
static void	draw_once (N_GUI_CTX *gui)
	draw one frame into a memory bitmap of the display's size
static void	expect_true (const char *what, int ok)
	count a failed check
int	main (int argc, char **argv)
	run the checks
static int	process_args (int argc, char **argv)
	read -V
static void	wheel (N_GUI_CTX *gui, int dz)
	turn the mouse wheel over the display

Variables
static int	failures = 0
	failed checks
static int	log_level = 3
	log level from -V

Macro Definition Documentation

ALLEGRO_UNSTABLE

#define ALLEGRO_UNSTABLE   1

Definition at line 29 of file ex_gui_global_scroll.c.

Function Documentation

draw_once()

void draw_once ( N_GUI_CTX * gui )

static

draw one frame into a memory bitmap of the display's size

Parameters

gui

the GUI

Examples

ex_gui_global_scroll.c.

Definition at line 76 of file ex_gui_global_scroll.c.

References gui, and n_gui_draw().

Referenced by main().

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expect_true()

void expect_true ( const char * what, int ok )

static

count a failed check

Parameters

what	the check
ok	its result

Definition at line 48 of file ex_gui_global_scroll.c.

References failures, LOG_ERR, LOG_INFO, and n_log.

main()

int main	(	int	argc,
		char **	argv )

run the checks

Parameters

argc	argument count
argv	arguments

Returns

0 on success

Definition at line 109 of file ex_gui_global_scroll.c.

References draw_once(), expect_true(), failures, font, gui, LOG_ERR, log_level, n_gui_add_window(), n_gui_destroy_ctx(), n_gui_new_ctx(), n_gui_open_window(), n_gui_set_display_size(), N_GUI_WIN_FRAMELESS, n_gui_window_set_flags(), n_gui_window_set_rect(), n_log, process_args(), set_log_level(), and wheel().

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process_args()

int process_args ( int argc, char ** argv )

static

read -V

Parameters

argc	argument count
argv	arguments

Returns

0, or -1 on a bad argument

Definition at line 61 of file ex_gui_global_scroll.c.

References log_level.

wheel()

void wheel ( N_GUI_CTX * gui, int dz )

static

turn the mouse wheel over the display

Parameters

gui	the GUI
dz	notches

Examples

ex_gui_colorwheel.c, ex_gui_global_scroll.c, and ex_gui_grid.c.

Definition at line 94 of file ex_gui_global_scroll.c.

References gui, and n_gui_process_event().

Referenced by main().

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Variable Documentation

failures

int failures = 0

static

failed checks

Definition at line 43 of file ex_gui_global_scroll.c.

log_level

int log_level = 3

static

log level from -V

Definition at line 41 of file ex_gui_global_scroll.c.