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rt-thread-official/rtgui/widgets/workbench.c

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/*
* File : workbench.c
* This file is part of RTGUI in RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-10-04 Bernard first version
*/
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/workbench.h>
static void _rtgui_workbench_constructor(rtgui_workbench_t *workbench)
{
/* set event handler */
rtgui_widget_set_event_handler(RTGUI_WIDGET(workbench), rtgui_workbench_event_handler);
/* set attributes */
workbench->panel = RT_NULL;
workbench->flag = RTGUI_WORKBENCH_FLAG_DEFAULT;
workbench->modal_code = RTGUI_MODAL_OK;
workbench->title = RT_NULL;
workbench->current_view = RT_NULL;
}
static void _rtgui_workbench_destructor(rtgui_workbench_t *workbench)
{
RT_ASSERT(workbench != RT_NULL);
if (RTGUI_TOPLEVEL(workbench)->server != RT_NULL)
{
struct rtgui_event_panel_detach edetach;
RTGUI_EVENT_PANEL_DETACH_INIT(&edetach);
/* detach from panel */
edetach.panel = workbench->panel;
/* send PANEL DETACH to server */
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(workbench)->server,
RTGUI_EVENT(&edetach), sizeof(struct rtgui_event_panel_detach)) != RT_EOK)
return;
RTGUI_TOPLEVEL(workbench)->server = RT_NULL;
}
/* release title */
rt_free(workbench->title);
workbench->title = RT_NULL;
}
rtgui_type_t *rtgui_workbench_type_get(void)
{
static rtgui_type_t *workbench_type = RT_NULL;
if (!workbench_type)
{
workbench_type = rtgui_type_create("workbench", RTGUI_TOPLEVEL_TYPE,
sizeof(rtgui_workbench_t),
RTGUI_CONSTRUCTOR(_rtgui_workbench_constructor),
RTGUI_DESTRUCTOR(_rtgui_workbench_destructor));
}
return workbench_type;
}
rtgui_workbench_t *rtgui_workbench_create(const char* panel_name, const unsigned char* title)
{
struct rtgui_workbench* workbench;
/* the server thread id */
rt_thread_t server = rtgui_thread_get_server();
if (server == RT_NULL)
{
rt_kprintf("can't find rtgui server\n");
return RT_NULL;
}
/* create workbench */
workbench = (rtgui_workbench_t*) rtgui_widget_create (RTGUI_WORKBENCH_TYPE);
if (workbench != RT_NULL)
{
/* the buffer uses to receive event */
union
{
struct rtgui_event_panel_attach ecreate;
struct rtgui_event_panel_info epanel;
char buffer[256]; /* use to recv other information */
} event;
/* set workbench title */
workbench->title = (unsigned char*)rt_strdup((char*)title);
/* create application in server */
RTGUI_EVENT_PANEL_ATTACH_INIT(&(event.ecreate));
/* set the panel name and workbench */
rt_strncpy(event.ecreate.panel_name, panel_name, RTGUI_NAME_MAX);
event.ecreate.workbench = workbench;
/* send PANEL ATTACH to server */
if (rtgui_thread_send_sync(server,
&(event.ecreate.parent), sizeof(struct rtgui_event_panel_attach)) != RTGUI_STATUS_OK)
{
return RT_NULL;
}
/* get PANEL INFO */
rtgui_thread_recv_filter(RTGUI_EVENT_PANEL_INFO, &(event.epanel.parent), sizeof(event));
/* set panel */
workbench->panel = (struct rtgui_panel*)event.epanel.panel;
/* connected */
RTGUI_TOPLEVEL(workbench)->server = server;
/* set extent of workbench */
rtgui_widget_set_rect(RTGUI_WIDGET(workbench), &(event.epanel.extent));
/* set workbench in thread */
rtgui_thread_set_widget(RTGUI_WIDGET(workbench));
}
return workbench;
}
void rtgui_workbench_destroy(rtgui_workbench_t* workbench)
{
RT_ASSERT(workbench != RT_NULL);
if (RTGUI_TOPLEVEL(workbench)->server != RT_NULL)
{
struct rtgui_event_panel_detach edetach;
RTGUI_EVENT_PANEL_DETACH_INIT(&edetach);
/* detach from panel */
edetach.panel = workbench->panel;
/* send PANEL DETACH to server */
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(workbench)->server,
RTGUI_EVENT(&edetach), sizeof(struct rtgui_event_panel_detach)) != RT_EOK)
return;
RTGUI_TOPLEVEL(workbench)->server = RT_NULL;
}
rtgui_widget_destroy(RTGUI_WIDGET(workbench));
}
void rtgui_workbench_set_flag(rtgui_workbench_t* workbench, rt_uint8_t flag)
{
RT_ASSERT(workbench != RT_NULL);
workbench->flag = flag;
}
rt_bool_t rtgui_workbench_event_loop(rtgui_workbench_t* workbench)
{
/* the buffer uses to receive event */
char event_buf[256];
struct rtgui_event* event = (struct rtgui_event*)&event_buf[0];
if (workbench->flag & RTGUI_WORKBENCH_FLAG_MODAL_MODE)
{
/* event loop for modal mode shown view */
while (workbench->flag & RTGUI_WORKBENCH_FLAG_MODAL_MODE)
{
if (rtgui_thread_recv(event, sizeof(event_buf)) == RT_EOK)
{
RTGUI_WIDGET(workbench)->event_handler(RTGUI_WIDGET(workbench), event);
}
}
}
else
{
/* show workbench firstly */
rtgui_workbench_show(workbench);
while (!(workbench->flag & RTGUI_WORKBENCH_FLAG_CLOSED))
{
if (rtgui_thread_recv(event, sizeof(event_buf)) == RT_EOK)
{
RTGUI_WIDGET(workbench)->event_handler(RTGUI_WIDGET(workbench), event);
}
}
}
return RT_TRUE;
}
rt_err_t rtgui_workbench_show(rtgui_workbench_t* workbench)
{
RT_ASSERT(workbench != RT_NULL);
if (RTGUI_TOPLEVEL(workbench)->server != RT_NULL)
{
struct rtgui_event_panel_show eraise;
RTGUI_EVENT_PANEL_SHOW_INIT(&eraise);
eraise.workbench = workbench;
eraise.panel = workbench->panel;
if (rtgui_thread_send_sync(workbench->parent.server, RTGUI_EVENT(&eraise),
sizeof(struct rtgui_event_panel_show)) != RT_EOK)
return -RT_ERROR;
RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(workbench));
rtgui_toplevel_update_clip(RTGUI_TOPLEVEL(workbench));
}
else return -RT_ERROR;
return RT_EOK;
}
rt_err_t rtgui_workbench_hide(rtgui_workbench_t* workbench)
{
if (RTGUI_TOPLEVEL(workbench)->server != RT_NULL)
{
struct rtgui_event_panel_hide ehide;
RTGUI_EVENT_PANEL_HIDE_INIT(&ehide);
RT_ASSERT(workbench != RT_NULL);
if (workbench->parent.server == RT_NULL) return -RT_ERROR;
ehide.panel = workbench->panel;
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(workbench)->server, RTGUI_EVENT(&ehide),
sizeof(struct rtgui_event_panel_hide)) != RT_EOK)
return -RT_ERROR;
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(workbench));
rtgui_toplevel_update_clip(RTGUI_TOPLEVEL(workbench));
}
return RT_EOK;
}
rt_bool_t rtgui_workbench_event_handler(rtgui_widget_t* widget, rtgui_event_t* event)
{
struct rtgui_workbench* workbench = (struct rtgui_workbench*)widget;
switch (event->type)
{
case RTGUI_EVENT_PANEL_DETACH:
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(workbench));
RTGUI_TOPLEVEL(workbench)->server = RT_NULL;
return RT_TRUE;
case RTGUI_EVENT_PANEL_SHOW:
/* show workbench in server */
rtgui_workbench_show(workbench);
break;
case RTGUI_EVENT_PANEL_HIDE:
/* hide widget */
RTGUI_WIDGET_HIDE(widget);
break;
case RTGUI_EVENT_MOUSE_MOTION:
{
struct rtgui_event_mouse* emouse = (struct rtgui_event_mouse*)event;
struct rtgui_toplevel* top = RTGUI_TOPLEVEL(emouse->wid);
/* check the destination window */
if (top != RT_NULL && RTGUI_WIDGET(top)->event_handler != RT_NULL)
{
RTGUI_WIDGET(top)->event_handler(RTGUI_WIDGET(top), event);
}
else
{
/* let viewer to handle it */
rtgui_view_t* view = workbench->current_view;
if (view != RT_NULL &&
RTGUI_WIDGET(view)->event_handler != RT_NULL)
{
RTGUI_WIDGET(view)->event_handler(RTGUI_WIDGET(view), event);
}
}
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
{
struct rtgui_event_mouse* emouse = (struct rtgui_event_mouse*)event;
struct rtgui_toplevel* top = RTGUI_TOPLEVEL(emouse->wid);
/* check the destination window */
if (top != RT_NULL && RTGUI_WIDGET(top)->event_handler != RT_NULL)
{
RTGUI_WIDGET(top)->event_handler(RTGUI_WIDGET(top), event);
}
else
{
/* let viewer to handle it */
rtgui_view_t* view = workbench->current_view;
if (view != RT_NULL &&
RTGUI_WIDGET(view)->event_handler != RT_NULL)
{
RTGUI_WIDGET(view)->event_handler(RTGUI_WIDGET(view), event);
}
}
}
break;
case RTGUI_EVENT_KBD:
{
struct rtgui_event_kbd* kbd = (struct rtgui_event_kbd*)event;
struct rtgui_toplevel* top = RTGUI_TOPLEVEL(kbd->wid);
/* check the destination window */
if (top != RT_NULL && RTGUI_WIDGET(top)->event_handler != RT_NULL)
{
RTGUI_WIDGET(top)->event_handler(RTGUI_WIDGET(top), event);
}
else
{
if (RTGUI_CONTAINER(widget)->focused == widget)
{
/* set focused widget to the current view */
if (workbench->current_view != RT_NULL)
rtgui_widget_focus(RTGUI_WIDGET(RTGUI_CONTAINER(workbench->current_view)->focused));
}
return rtgui_toplevel_event_handler(widget, event);
}
}
break;
case RTGUI_EVENT_PAINT:
{
struct rtgui_event_paint* epaint = (struct rtgui_event_paint*)event;
struct rtgui_toplevel* top = RTGUI_TOPLEVEL(epaint->wid);
/* check the destination window */
if (top != RT_NULL && RTGUI_WIDGET(top)->event_handler != RT_NULL)
{
RTGUI_WIDGET(top)->event_handler(RTGUI_WIDGET(top), event);
}
else
{
rtgui_view_t* view;
/* paint a view */
view = workbench->current_view;
if (view != RT_NULL)
{
/* remake a paint event */
RTGUI_EVENT_PAINT_INIT(epaint);
epaint->wid = RT_NULL;
/* send this event to the view */
if (RTGUI_WIDGET(view)->event_handler != RT_NULL)
{
RTGUI_WIDGET(view)->event_handler(RTGUI_WIDGET(view), event);
}
}
else
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
dc = rtgui_dc_begin_drawing(widget);
rtgui_widget_get_rect(widget, &rect);
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_end_drawing(dc);
}
}
}
break;
case RTGUI_EVENT_CLIP_INFO:
{
struct rtgui_event_clip_info* eclip = (struct rtgui_event_clip_info*)event;
struct rtgui_widget* dest_widget = RTGUI_WIDGET(eclip->wid);
if (dest_widget != RT_NULL && dest_widget->event_handler != RT_NULL)
{
dest_widget->event_handler(dest_widget, event);
}
else
{
return rtgui_toplevel_event_handler(widget, event);
}
}
break;
case RTGUI_EVENT_WIN_CLOSE:
case RTGUI_EVENT_WIN_ACTIVATE:
case RTGUI_EVENT_WIN_DEACTIVATE:
{
struct rtgui_event_win* wevent = (struct rtgui_event_win*)event;
struct rtgui_widget* dest_widget = RTGUI_WIDGET(wevent->wid);
if (dest_widget != RT_NULL && dest_widget->event_handler != RT_NULL)
{
dest_widget->event_handler(dest_widget, event);
}
}
break;
case RTGUI_EVENT_WIN_MOVE:
{
struct rtgui_event_win_move* wevent = (struct rtgui_event_win_move*)event;
struct rtgui_toplevel* top = RTGUI_TOPLEVEL(wevent->wid);
if (top != RT_NULL && RTGUI_WIDGET(top)->event_handler != RT_NULL)
{
RTGUI_WIDGET(top)->event_handler(RTGUI_WIDGET(top), event);
}
}
break;
default:
return rtgui_toplevel_event_handler(widget, event);
}
return RT_TRUE;
}
/*
*
* view on workbench
*
*/
void rtgui_workbench_add_view(rtgui_workbench_t* workbench, rtgui_view_t* view)
{
rtgui_container_add_child(RTGUI_CONTAINER(workbench), RTGUI_WIDGET(view));
/* hide view in default */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(view));
/* reset view extent */
rtgui_widget_set_rect(RTGUI_WIDGET(view), &(RTGUI_WIDGET(workbench)->extent));
}
void rtgui_workbench_remove_view(rtgui_workbench_t* workbench, rtgui_view_t* view)
{
if (view == workbench->current_view)
rtgui_workbench_hide_view(workbench, view);
rtgui_container_remove_child(RTGUI_CONTAINER(workbench), RTGUI_WIDGET(view));
}
void rtgui_workbench_show_view(rtgui_workbench_t* workbench, rtgui_view_t* view)
{
RT_ASSERT(workbench != RT_NULL);
RT_ASSERT(view != RT_NULL);
/* already shown */
if (workbench->current_view == view) return;
if (workbench->current_view != RT_NULL)
{
/* hide old view */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(workbench->current_view));
}
/* show view */
RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(view));
workbench->current_view = view;
/* update workbench clip */
rtgui_toplevel_update_clip(RTGUI_TOPLEVEL(workbench));
if (!RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(workbench)))
{
rtgui_widget_update(RTGUI_WIDGET(view));
}
}
void rtgui_workbench_hide_view(rtgui_workbench_t* workbench, rtgui_view_t* view)
{
RT_ASSERT(workbench != RT_NULL);
RT_ASSERT(view != RT_NULL);
/* hide view */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(view));
if (view == workbench->current_view)
{
rtgui_view_t *next_view;
workbench->current_view = RT_NULL;
next_view = RTGUI_VIEW(rtgui_widget_get_next_sibling(RTGUI_WIDGET(view)));
if (next_view == RT_NULL)
next_view = RTGUI_VIEW(rtgui_widget_get_prev_sibling(RTGUI_WIDGET(view)));
if (next_view != RT_NULL)
{
rtgui_view_show(next_view, RT_FALSE);
}
else
{
/* update workbench clip */
rtgui_toplevel_update_clip(RTGUI_TOPLEVEL(workbench));
}
}
}
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