rt-thread/components/gui/include/rtgui/widgets/window.h

205 lines
7.3 KiB
C

/*
* File : window.h
* This file is part of RT-Thread GUI Engine
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2009-10-04 Bernard first version
* 2010-05-03 Bernard add win close function
*/
#ifndef __RTGUI_WINDOW_H__
#define __RTGUI_WINDOW_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <rtgui/rtgui.h>
#include <rtgui/list.h>
#include <rtgui/dc.h>
#include <rtgui/widgets/widget.h>
#include <rtgui/widgets/box.h>
DECLARE_CLASS_TYPE(win);
/** Gets the type of a win */
#define RTGUI_WIN_TYPE (RTGUI_TYPE(win))
/** Casts the object to an rtgui_win */
#define RTGUI_WIN(obj) (RTGUI_OBJECT_CAST((obj), RTGUI_WIN_TYPE, rtgui_win_t))
/** Checks if the object is an rtgui_win */
#define RTGUI_IS_WIN(obj) (RTGUI_OBJECT_CHECK_TYPE((obj), RTGUI_WIN_TYPE))
#define RTGUI_WIN_STYLE_NO_FOCUS 0x0001 /* non-focused window */
#define RTGUI_WIN_STYLE_NO_TITLE 0x0002 /* no title window */
#define RTGUI_WIN_STYLE_NO_BORDER 0x0004 /* no border window */
#define RTGUI_WIN_STYLE_CLOSEBOX 0x0008 /* window has the close button */
#define RTGUI_WIN_STYLE_MINIBOX 0x0010 /* window has the mini button */
#define RTGUI_WIN_STYLE_DESTROY_ON_CLOSE 0x0020 /* window is destroyed when closed */
#define RTGUI_WIN_STYLE_ONTOP 0x0040 /* window is in the top layer */
#define RTGUI_WIN_STYLE_ONBTM 0x0080 /* window is in the bottom layer */
#define RTGUI_WIN_STYLE_MAINWIN 0x0106 /* window is a main window */
#define RTGUI_WIN_STYLE_DEFAULT (RTGUI_WIN_STYLE_CLOSEBOX | RTGUI_WIN_STYLE_MINIBOX)
#define WINTITLE_HEIGHT 20
#define WINTITLE_CB_WIDTH 16
#define WINTITLE_CB_HEIGHT 16
#define WINTITLE_BORDER_SIZE 2
enum rtgui_win_flag
{
RTGUI_WIN_FLAG_INIT = 0x00, /* init state */
RTGUI_WIN_FLAG_MODAL = 0x01, /* modal mode window */
RTGUI_WIN_FLAG_CLOSED = 0x02, /* window is closed */
RTGUI_WIN_FLAG_ACTIVATE = 0x04, /* window is activated */
RTGUI_WIN_FLAG_UNDER_MODAL = 0x08, /* window is under modal
show(modaled by other) */
RTGUI_WIN_FLAG_CONNECTED = 0x10, /* connected to server */
/* window is event_key dispatcher(dispatch it to the focused widget in
* current window) _and_ a key handler(it should be able to handle keys
* such as ESC). Both of dispatching and handling are in the same
* function(rtgui_win_event_handler). So we have to distinguish between the
* two modes.
*
* If this flag is set, we are in key-handling mode.
*/
RTGUI_WIN_FLAG_HANDLE_KEY = 0x20,
RTGUI_WIN_FLAG_CB_PRESSED = 0x40,
};
struct rtgui_win
{
/* inherit from container */
rtgui_container_t parent;
/* drawing count */
rt_base_t drawing;
struct rtgui_rect drawing_rect;
/* parent window. RT_NULL if the window is a top level window */
struct rtgui_win *parent_window;
struct rtgui_region outer_clip;
struct rtgui_rect outer_extent;
/* the widget that will grab the focus in current window */
struct rtgui_widget *focused_widget;
/* which app I belong */
struct rtgui_app *app;
/* window style */
rt_uint16_t style;
/* window state flag */
enum rtgui_win_flag flag;
rtgui_modal_code_t modal_code;
/* last mouse event handled widget */
rtgui_widget_t *last_mevent_widget;
/* window title */
char *title;
struct rtgui_wintitle *_title_wgt;
/* call back */
rt_bool_t (*on_activate)(struct rtgui_object *widget, struct rtgui_event *event);
rt_bool_t (*on_deactivate)(struct rtgui_object *widget, struct rtgui_event *event);
rt_bool_t (*on_close)(struct rtgui_object *widget, struct rtgui_event *event);
/* the key is sent to the focused widget by default. If the focused widget
* and all of it's parents didn't handle the key event, it will be handled
* by @func on_key
*
* If you want to handle key event on your own, it's better to overload
* this function other than handle EVENT_KBD in event_handler.
*/
rt_bool_t (*on_key)(struct rtgui_object *widget, struct rtgui_event *event);
/* reserved user data */
void *user_data;
/* Private data. */
rt_base_t (*_do_show)(struct rtgui_win *win);
};
rtgui_win_t *rtgui_win_create(struct rtgui_win *parent_window, const char *title,
rtgui_rect_t *rect, rt_uint16_t style);
rtgui_win_t *rtgui_mainwin_create(struct rtgui_win *parent_window, const char *title, rt_uint16_t style);
void rtgui_win_destroy(rtgui_win_t *win);
int rtgui_win_init(struct rtgui_win *win, struct rtgui_win *parent_window,
const char *title,
rtgui_rect_t *rect,
rt_uint16_t style);
int rtgui_win_fini(struct rtgui_win* win);
/** Close window.
*
* @param win the window you want to close
*
* @return RT_TRUE if the window is closed. RT_FALSE if not. If the onclose
* callback returns RT_FALSE, the window won't be closed.
*
* \sa rtgui_win_set_onclose .
*/
rt_bool_t rtgui_win_close(struct rtgui_win *win);
rt_base_t rtgui_win_show(struct rtgui_win *win, rt_bool_t is_modal);
rt_base_t rtgui_win_do_show(struct rtgui_win *win);
rt_base_t rtgui_win_enter_modal(struct rtgui_win *win);
void rtgui_win_hide(rtgui_win_t *win);
void rtgui_win_end_modal(rtgui_win_t *win, rtgui_modal_code_t modal_code);
rt_err_t rtgui_win_activate(struct rtgui_win *win);
rt_bool_t rtgui_win_is_activated(struct rtgui_win *win);
void rtgui_win_move(struct rtgui_win *win, int x, int y);
/* reset extent of window */
void rtgui_win_set_rect(rtgui_win_t *win, rtgui_rect_t *rect);
void rtgui_win_update_clip(struct rtgui_win *win);
void rtgui_win_set_onactivate(rtgui_win_t *win, rtgui_event_handler_ptr handler);
void rtgui_win_set_ondeactivate(rtgui_win_t *win, rtgui_event_handler_ptr handler);
void rtgui_win_set_onclose(rtgui_win_t *win, rtgui_event_handler_ptr handler);
void rtgui_win_set_onkey(rtgui_win_t *win, rtgui_event_handler_ptr handler);
rt_bool_t rtgui_win_event_handler(struct rtgui_object *win, struct rtgui_event *event);
void rtgui_win_event_loop(rtgui_win_t *wnd);
void rtgui_win_set_title(rtgui_win_t *win, const char *title);
char *rtgui_win_get_title(rtgui_win_t *win);
struct rtgui_dc *rtgui_win_get_drawing(rtgui_win_t * win);
struct rtgui_win* rtgui_win_get_topmost_shown(void);
struct rtgui_win* rtgui_win_get_next_shown(void);
void rtgui_theme_draw_win(struct rtgui_wintitle *wint);
#ifdef __cplusplus
}
#endif
#endif