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