hekate/nyx/nyx_gui/libs/lvgl/lv_objx/lv_win.h

299 lines
8.2 KiB
C
Raw Normal View History

/*
* Copyright (c) 2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file lv_win.h
*
*/
#ifndef LV_WIN_H
#define LV_WIN_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_conf.h"
#else
#include "../../lv_conf.h"
#endif
#if USE_LV_WIN != 0
/*Testing of dependencies*/
#if USE_LV_BTN == 0
#error "lv_win: lv_btn is required. Enable it in lv_conf.h (USE_LV_BTN 1) "
#endif
#if USE_LV_LABEL == 0
#error "lv_win: lv_label is required. Enable it in lv_conf.h (USE_LV_LABEL 1) "
#endif
#if USE_LV_IMG == 0
#error "lv_win: lv_img is required. Enable it in lv_conf.h (USE_LV_IMG 1) "
#endif
#if USE_LV_PAGE == 0
#error "lv_win: lv_page is required. Enable it in lv_conf.h (USE_LV_PAGE 1) "
#endif
#include "../lv_core/lv_obj.h"
#include "lv_cont.h"
#include "lv_btn.h"
#include "lv_label.h"
#include "lv_img.h"
#include "lv_page.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/*Data of window*/
typedef struct
{
/*Ext. of ancestor*/
/*New data for this type */
lv_obj_t * page; /*Pointer to a page which holds the content*/
lv_obj_t * header; /*Pointer to the header container of the window*/
lv_obj_t * title; /*Pointer to the title label of the window*/
lv_style_t * style_header; /*Style of the header container*/
lv_style_t * style_btn_rel; /*Control button releases style*/
lv_style_t * style_btn_pr; /*Control button pressed style*/
lv_coord_t btn_size; /*Size of the control buttons (square)*/
} lv_win_ext_t;
enum {
LV_WIN_STYLE_BG,
LV_WIN_STYLE_CONTENT_BG,
LV_WIN_STYLE_CONTENT_SCRL,
LV_WIN_STYLE_SB,
LV_WIN_STYLE_HEADER,
LV_WIN_STYLE_BTN_REL,
LV_WIN_STYLE_BTN_PR,
};
typedef uint8_t lv_win_style_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create a window objects
* @param par pointer to an object, it will be the parent of the new window
* @param copy pointer to a window object, if not NULL then the new object will be copied from it
* @return pointer to the created window
*/
lv_obj_t * lv_win_create(lv_obj_t * par, const lv_obj_t * copy);
/**
* Delete all children of the scrl object, without deleting scrl child.
* @param obj pointer to an object
*/
void lv_win_clean(lv_obj_t *obj);
/*======================
* Add/remove functions
*=====================*/
/**
* Add control button to the header of the window
* @param win pointer to a window object
* @param img_src an image source ('lv_img_t' variable, path to file or a symbol)
* @param rel_action a function pointer to call when the button is released
* @return pointer to the created button object
*/
lv_obj_t * lv_win_add_btn(lv_obj_t * win, const void * img_src, const char * label_src, lv_action_t rel_action);
/*=====================
* Setter functions
*====================*/
/**
* A release action which can be assigned to a window control button to close it
* @param btn pointer to the released button
* @return always LV_ACTION_RES_INV because the button is deleted with the window
*/
lv_res_t lv_win_close_action(lv_obj_t * btn);
/**
* Set the title of a window
* @param win pointer to a window object
* @param title string of the new title
*/
void lv_win_set_title(lv_obj_t * win, const char * title);
/**
* Set the control button size of a window
* @param win pointer to a window object
* @return control button size
*/
void lv_win_set_btn_size(lv_obj_t * win, lv_coord_t size);
/**
* Set the layout of the window
* @param win pointer to a window object
* @param layout the layout from 'lv_layout_t'
*/
void lv_win_set_layout(lv_obj_t *win, lv_layout_t layout);
/**
* Set the scroll bar mode of a window
* @param win pointer to a window object
* @param sb_mode the new scroll bar mode from 'lv_sb_mode_t'
*/
void lv_win_set_sb_mode(lv_obj_t *win, lv_sb_mode_t sb_mode);
/**
* Set a style of a window
* @param win pointer to a window object
* @param type which style should be set
* @param style pointer to a style
*/
void lv_win_set_style(lv_obj_t *win, lv_win_style_t type, lv_style_t *style);
/**
* Set drag status of a window. If set to 'true' window can be dragged like on a PC.
* @param win pointer to a window object
* @param en whether dragging is enabled
*/
void lv_win_set_drag(lv_obj_t *win, bool en);
/*=====================
* Getter functions
*====================*/
/**
* Get the title of a window
* @param win pointer to a window object
* @return title string of the window
*/
const char * lv_win_get_title(const lv_obj_t * win);
/**
* Get the content holder object of window (`lv_page`) to allow additional customization
* @param win pointer to a window object
* @return the Page object where the window's content is
*/
lv_obj_t * lv_win_get_content(const lv_obj_t * win);
/**
* Get the control button size of a window
* @param win pointer to a window object
* @return control button size
*/
lv_coord_t lv_win_get_btn_size(const lv_obj_t * win);
/**
* Get the pointer of a widow from one of its control button.
* It is useful in the action of the control buttons where only button is known.
* @param ctrl_btn pointer to a control button of a window
* @return pointer to the window of 'ctrl_btn'
*/
lv_obj_t * lv_win_get_from_btn(const lv_obj_t * ctrl_btn);
/**
* Get the layout of a window
* @param win pointer to a window object
* @return the layout of the window (from 'lv_layout_t')
*/
lv_layout_t lv_win_get_layout(lv_obj_t *win);
/**
* Get the scroll bar mode of a window
* @param win pointer to a window object
* @return the scroll bar mode of the window (from 'lv_sb_mode_t')
*/
lv_sb_mode_t lv_win_get_sb_mode(lv_obj_t *win);
/**
* Get width of the content area (page scrollable) of the window
* @param win pointer to a window object
* @return the width of the content area
*/
lv_coord_t lv_win_get_width(lv_obj_t * win);
/**
* Get a style of a window
* @param win pointer to a button object
* @param type which style window be get
* @return style pointer to a style
*/
lv_style_t * lv_win_get_style(const lv_obj_t *win, lv_win_style_t type);
/**
* Get drag status of a window. If set to 'true' window can be dragged like on a PC.
* @param win pointer to a window object
* @return whether window is draggable
*/
static inline bool lv_win_get_drag(const lv_obj_t *win)
{
return lv_obj_get_drag(win);
}
/*=====================
* Other functions
*====================*/
/**
* Focus on an object. It ensures that the object will be visible in the window.
* @param win pointer to a window object
* @param obj pointer to an object to focus (must be in the window)
* @param anim_time scroll animation time in milliseconds (0: no animation)
*/
void lv_win_focus(lv_obj_t * win, lv_obj_t * obj, uint16_t anim_time);
/**
* Scroll the window horizontally
* @param win pointer to a window object
* @param dist the distance to scroll (< 0: scroll right; > 0 scroll left)
*/
static inline void lv_win_scroll_hor(lv_obj_t * win, lv_coord_t dist)
{
lv_win_ext_t * ext = (lv_win_ext_t *)lv_obj_get_ext_attr(win);
lv_page_scroll_hor(ext->page, dist);
}
/**
* Scroll the window vertically
* @param win pointer to a window object
* @param dist the distance to scroll (< 0: scroll down; > 0 scroll up)
*/
static inline void lv_win_scroll_ver(lv_obj_t * win, lv_coord_t dist)
{
lv_win_ext_t * ext = (lv_win_ext_t *)lv_obj_get_ext_attr(win);
lv_page_scroll_ver(ext->page, dist);
}
/**********************
* MACROS
**********************/
#endif /*USE_LV_WIN*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_WIN_H*/