ex_gui_combobox_wheel.c File Reference

#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
#define	CB_H   30
	Where the combobox is and how tall one row of it is.
#define	CB_W   200
	Where the combobox is and how tall one row of it is.
#define	CB_X   10
	Where the combobox is and how tall one row of it is.
#define	CB_Y   10
	Where the combobox is and how tall one row of it is.
#define	ITEMS   9
	How many items: more than the six it shows.

Functions
static void	click_at (N_GUI_CTX *gui, int x, int y)
	Move to (x, y) and click there.
static void	expect_true (const char *label, int cond)
	Assert a condition, logging which check failed.
int	main (void)
static ALLEGRO_EVENT	mouse_event (int type, int x, int y, int dz)
	Build a left-button mouse event at (x, y).
static int	row_y (int row)
	The screen y of the middle of one row of the open list.
static int	wheel_then_click (N_GUI_CTX *gui, int cb, int row, int notches)
	Open the list, turn the wheel over one row, then click that row.

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_combobox_wheel.c.

CB_H

#define CB_H   30

Where the combobox is and how tall one row of it is.

Examples

ex_gui_combobox_wheel.c.

Definition at line 61 of file ex_gui_combobox_wheel.c.

Referenced by main(), row_y(), and wheel_then_click().

CB_W

#define CB_W   200

Where the combobox is and how tall one row of it is.

Examples

ex_gui_combobox_wheel.c.

Definition at line 59 of file ex_gui_combobox_wheel.c.

Referenced by main(), and wheel_then_click().

CB_X

#define CB_X   10

Where the combobox is and how tall one row of it is.

Examples

ex_gui_combobox_wheel.c.

Definition at line 55 of file ex_gui_combobox_wheel.c.

Referenced by main(), and wheel_then_click().

CB_Y

#define CB_Y   10

Where the combobox is and how tall one row of it is.

Examples

ex_gui_combobox_wheel.c.

Definition at line 57 of file ex_gui_combobox_wheel.c.

Referenced by main(), row_y(), and wheel_then_click().

ITEMS

#define ITEMS   9

How many items: more than the six it shows.

Examples

ex_gui_combobox_wheel.c.

Definition at line 64 of file ex_gui_combobox_wheel.c.

Referenced by main().

Function Documentation

click_at()

void click_at ( N_GUI_CTX * gui, int x, int y )

static

Move to (x, y) and click there.

Parameters

gui	GUI context.
x	Cursor x.
y	Cursor y.

Examples

ex_gui_combobox_wheel.c, ex_gui_double_click.c, ex_gui_splitpane.c, and ex_gui_zorder.c.

Definition at line 105 of file ex_gui_combobox_wheel.c.

References gui, mouse_event(), and n_gui_process_event().

Referenced by main(), main(), and wheel_then_click().

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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 71 of file ex_gui_combobox_wheel.c.

References failures, LOG_ERR, LOG_INFO, and n_log.

main()

int main

(

void

)

Definition at line 140 of file ex_gui_combobox_wheel.c.

References CB_H, CB_W, CB_X, CB_Y, expect_true(), failures, font, gui, ITEMS, LOG_ERR, LOG_NOTICE, n_gui_add_combobox(), n_gui_add_window(), n_gui_combobox_add_item(), n_gui_combobox_set_selected(), 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_log, set_log_level(), and wheel_then_click().

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mouse_event()

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

static

Build a left-button mouse event at (x, y).

Parameters

type	The ALLEGRO_EVENT_MOUSE_* type.
x	Cursor x.
y	Cursor y.
dz	Wheel notches, positive up.

Returns

The event.

Examples

ex_gui_combobox_wheel.c, ex_gui_datagrid_keys.c, ex_gui_double_click.c, ex_gui_frameless_drag.c, ex_gui_hover.c, ex_gui_reentrant.c, ex_gui_slider_default.c, ex_gui_slider_handle.c, and ex_gui_slider_step.c.

Definition at line 88 of file ex_gui_combobox_wheel.c.

References type().

Referenced by click_and_report(), click_at(), click_at(), drag_right(), main(), main(), move_to(), press_at(), and wheel_then_click().

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row_y()

int row_y ( int row )

static

The screen y of the middle of one row of the open list.

Parameters

row	Row, 0 the top one shown.

Returns

The y.

Examples

ex_gui_combobox_wheel.c.

Definition at line 116 of file ex_gui_combobox_wheel.c.

References CB_H, CB_Y, and row().

Referenced by _popup_row_at(), n_gui_tree_draw_overlay(), and wheel_then_click().

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wheel_then_click()

int wheel_then_click ( N_GUI_CTX * gui, int cb, int row, int notches )

static

Open the list, turn the wheel over one row, then click that row.

Parameters

gui	GUI context.
cb	The combobox.
row	Which row the pointer rests on.
notches	Wheel notches, positive down the list.

Returns

The index the click selected.

Examples

ex_gui_combobox_wheel.c.

Definition at line 128 of file ex_gui_combobox_wheel.c.

References CB_H, CB_W, CB_X, CB_Y, click_at(), gui, mouse_event(), n_gui_combobox_get_selected(), n_gui_process_event(), row(), and row_y().

Referenced by main().

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Variable Documentation

failures

int failures = 0

static

Count of failed assertions.

Definition at line 52 of file ex_gui_combobox_wheel.c.