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https://github.com/oliverschmidt/contiki.git
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1099 lines
27 KiB
C
1099 lines
27 KiB
C
/**
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* \file
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* The ctk-draw implementation for the CTK VNC server.
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* \author Adam Dunkels <adam@dunkels.com>
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*
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*/
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/**
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* \defgroup CTKVNCServer The CTK VNC server
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* @{
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*/
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/*
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* Copyright (c) 2003, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the "ctk" console GUI toolkit for cc65
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*
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*
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*/
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#include <string.h> /* For strlen() */
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#include "ctk/ctk.h"
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#include "ctk/ctk-draw.h"
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#include "contiki-net.h"
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#include "ctk/vnc-server.h"
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#include "ctk/vnc-out.h"
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#include "ctk/ctk-vncfont.h"
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#include "ctk/ctk-vncserver.h"
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static unsigned char sizex, sizey;
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#define CH_ULCORNER 0x00
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#define CH_TITLEBAR 0x01
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#define CH_URCORNER 0x02
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#define CH_WINDOWRBORDER 0x03
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#define CH_LRCORNER 0x04
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#define CH_WINDOWLOWERBORDER 0x05
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#define CH_LLCORNER 0x06
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#define CH_WINDOWLBORDER 0x07
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#define CH_DIALOG_ULCORNER 0x12
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#define CH_DIALOGUPPERBORDER 0x09
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#define CH_DIALOG_URCORNER 0x0a
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#define CH_DIALOGRBORDER 0x0b
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#define CH_DIALOG_LRCORNER 0x0c
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#define CH_DIALOGLOWERBORDER 0x0d
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#define CH_DIALOG_LLCORNER 0x0e
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#define CH_DIALOGLBORDER 0x0f
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#define CH_BUTTONLEFT 0x10
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#define CH_BUTTONRIGHT 0x11
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#define CH_SEPARATOR 0x13
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#include "lib/libconio.h"
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#define SCREENCOLOR 0
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#define BORDERCOLOR 1
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#define WIDGETCOLOR 2
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#define WIDGETCOLOR_FWIN 3
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#define WIDGETCOLOR_FOCUS 4
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#define WIDGETCOLOR_DIALOG 5
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#define WIDGETCOLOR_HLINK 6
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#define WIDGETCOLOR_HLINK_FOCUS 7
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#define WINDOWCOLOR 8
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#define WINDOWCOLOR_FOCUS 9
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#define WINDOWBORDER 10
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#define WINDOWBORDER_FOCUS 11
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#define DIALOGCOLOR 12
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#define OPENMENUCOLOR 13
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#define ACTIVEMENUITEMCOLOR 14
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#define MENUCOLOR 15
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PROCESS(ctk_vncserver_process, "CTK VNC server");
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static struct vnc_server_state conns[CTK_VNCSERVER_CONF_NUMCONNS];
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#define PRINTF(x)
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#define revers(x)
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unsigned char ctk_draw_windowborder_height = 1;
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unsigned char ctk_draw_windowborder_width = 1;
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unsigned char ctk_draw_windowtitle_height = 1;
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/*-----------------------------------------------------------------------------------*/
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/**
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* Add an update request from a client to the list of pending updates
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* for the connection.
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*
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* This function is called from the vnc-out module.
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*
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* \param vs The VNC connection state.
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* \param a The area that is requested to be updated.
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*/
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/*-----------------------------------------------------------------------------------*/
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void
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vnc_server_update_add(struct vnc_server_state *vs,
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struct vnc_server_update *a)
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{
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/* XXX: test both head and tail placement!*/
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a->next = vs->updates_pending;
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vs->updates_pending = a;
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}
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/*-----------------------------------------------------------------------------------*/
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/**
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* Allocate an update request from the VNC connection state.
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*
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* This function is called from the vnc-out module.
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*
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* \param vs The VNC connection state.
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*
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* \return Memory for an update structure, or NULL if no update could
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* be allocated.
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*/
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/*-----------------------------------------------------------------------------------*/
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struct vnc_server_update *
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vnc_server_update_alloc(struct vnc_server_state *vs)
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{
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struct vnc_server_update *a;
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a = vs->updates_free;
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if(a == NULL) {
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return NULL;
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}
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vs->updates_free = a->next;
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a->next = NULL;
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return a;
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}
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/*-----------------------------------------------------------------------------------*/
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/**
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* Deallocate an update request from the VNC connection state.
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*
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* This function is called from the vnc-out module.
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*
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* \param vs The VNC connection state.
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*
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* \param a The update structure to be deallocated.
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*/
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/*-----------------------------------------------------------------------------------*/
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void
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vnc_server_update_free(struct vnc_server_state *vs,
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struct vnc_server_update *a)
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{
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a->next = vs->updates_free;
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vs->updates_free = a;
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}
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/*-----------------------------------------------------------------------------------*/
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/**
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* Dequeue the first update on the queue of updates.
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*
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* This function is called from the vnc-out module.
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*
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* \param vs The VNC connection state.
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*
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* \return The first update on the queue, or NULL if the queue is empty.
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*/
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/*-----------------------------------------------------------------------------------*/
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struct vnc_server_update *
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vnc_server_update_dequeue(struct vnc_server_state *vs)
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{
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struct vnc_server_update *a;
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a = vs->updates_pending;
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if(a == NULL) {
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return a;
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}
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vs->updates_pending = a->next;
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a->next = NULL;
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return a;
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}
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/*-----------------------------------------------------------------------------------*/
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/**
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* Remove a specific update on the queue of updates.
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*
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* \param vs The VNC connection state.
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* \param a The update to be removed.
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*/
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/*-----------------------------------------------------------------------------------*/
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void
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vnc_server_update_remove(struct vnc_server_state *vs,
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struct vnc_server_update *a)
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{
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struct vnc_server_update *b, *c;
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if(a == vs->updates_pending) {
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vs->updates_pending = a->next;
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} else {
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b = vs->updates_pending;
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for(c = vs->updates_pending; c != a; b = c, c = c->next);
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b->next = a->next;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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/** \internal
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* Flag an area to be updated for all open VNC server connections.
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*
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*/
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/*-----------------------------------------------------------------------------------*/
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static void
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update_area(uint8_t x, uint8_t y, uint8_t w, uint8_t h)
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{
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uint8_t i;
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if(h == 0 || w == 0) {
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return;
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}
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/* Update for all active VNC connections. */
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for(i = 0; i < CTK_VNCSERVER_CONF_NUMCONNS; ++i) {
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if(conns[i].state != VNC_DEALLOCATED) {
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vnc_out_update_area(&conns[i],
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x, y, w, h);
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}
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}
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}
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/*-----------------------------------------------------------------------------------*/
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/** \internal
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* Allocate a VNC server connection state from the array of available
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* VNC connection states.
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*/
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/*-----------------------------------------------------------------------------------*/
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static struct vnc_server_state *
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alloc_state(void)
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{
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uint8_t i;
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for(i = 0; i < CTK_VNCSERVER_CONF_NUMCONNS; ++i) {
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if(conns[i].state == VNC_DEALLOCATED) {
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return &conns[i];
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}
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}
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/* We are overloaded! XXX: we'll just kick all other connections! */
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for(i = 0; i < CTK_VNCSERVER_CONF_NUMCONNS; ++i) {
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conns[i].state = VNC_DEALLOCATED;
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}
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return NULL;
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}
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/*-----------------------------------------------------------------------------------*/
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/** \internal
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* Deallocate a VNC connection state.
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*/
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/*-----------------------------------------------------------------------------------*/
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static void
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dealloc_state(struct vnc_server_state *s)
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{
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s->state = VNC_DEALLOCATED;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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cputsn(char *str, unsigned char len)
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{
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char c;
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while(len > 0) {
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--len;
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c = *str;
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if(c == 0) {
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break;
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}
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cputc(c);
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++str;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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/**
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* Initialize the VNC ctk-draw module. Called by the CTK module.
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*
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*/
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/*-----------------------------------------------------------------------------------*/
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void
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ctk_draw_init(void)
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{
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bgcolor(SCREENCOLOR);
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bordercolor(BORDERCOLOR);
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screensize(&sizex, &sizey);
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ctk_draw_clear(0, sizey);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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draw_widget(struct ctk_widget *w,
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unsigned char x, unsigned char y,
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unsigned char clipx,
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unsigned char clipy,
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unsigned char clipy1, unsigned char clipy2,
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unsigned char focus)
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{
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unsigned char xpos, ypos, xscroll;
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unsigned char i, j;
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unsigned char iconnum;
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char c, *text;
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unsigned char len;
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/*
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if(focus & CTK_FOCUS_WINDOW) {
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textcolor(WIDGETCOLOR_FWIN);
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if(focus & CTK_FOCUS_WIDGET) {
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textcolor(WIDGETCOLOR_FOCUS);
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}
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} else if(focus & CTK_FOCUS_DIALOG) {
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textcolor(WIDGETCOLOR_DIALOG);
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if(focus & CTK_FOCUS_WIDGET) {
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textcolor(WIDGETCOLOR_FOCUS);
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}
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} else {
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textcolor(WIDGETCOLOR);
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}
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*/
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xpos = x + w->x;
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ypos = y + w->y;
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switch(w->type) {
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case CTK_WIDGET_SEPARATOR:
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textcolor(VNC_OUT_SEPARATORCOLOR + focus);
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if(ypos >= clipy1 && ypos < clipy2) {
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/* chlinexy(xpos, ypos, w->w);*/
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gotoxy(xpos, ypos);
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for(i = 0; i < w->w; ++i) {
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cputc(CH_SEPARATOR);
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}
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}
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break;
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case CTK_WIDGET_LABEL:
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textcolor(VNC_OUT_LABELCOLOR + focus);
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text = w->widget.label.text;
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for(i = 0; i < w->h; ++i) {
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if(ypos >= clipy1 && ypos < clipy2) {
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gotoxy(xpos, ypos);
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cputsn(text, w->w);
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if(w->w - (wherex() - xpos) > 0) {
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cclear(w->w - (wherex() - xpos));
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}
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}
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++ypos;
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text += w->w;
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}
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break;
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case CTK_WIDGET_BUTTON:
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textcolor(VNC_OUT_BUTTONCOLOR + focus);
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if(ypos >= clipy1 && ypos < clipy2) {
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if(focus & CTK_FOCUS_WIDGET) {
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revers(1);
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} else {
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revers(0);
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}
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cputcxy(xpos, ypos, CH_BUTTONLEFT);
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cputsn(w->widget.button.text, w->w);
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cputc(CH_BUTTONRIGHT);
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revers(0);
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}
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break;
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case CTK_WIDGET_HYPERLINK:
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textcolor(VNC_OUT_HYPERLINKCOLOR + focus);
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if(ypos >= clipy1 && ypos < clipy2) {
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/* if(focus & CTK_FOCUS_WIDGET) {
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textcolor(WIDGETCOLOR_HLINK_FOCUS);
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revers(0);
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} else {
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textcolor(WIDGETCOLOR_HLINK);
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revers(1);
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}*/
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gotoxy(xpos, ypos);
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cputsn(w->widget.button.text, w->w);
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revers(0);
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}
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break;
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case CTK_WIDGET_TEXTENTRY:
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textcolor(VNC_OUT_TEXTENTRYCOLOR + focus);
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text = w->widget.textentry.text;
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xscroll = 0;
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if(w->widget.textentry.xpos >= w->w - 1) {
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xscroll = w->widget.textentry.xpos - w->w + 1;
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}
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for(j = 0; j < w->h; ++j) {
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if(ypos >= clipy1 && ypos < clipy2) {
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if(w->widget.textentry.state == CTK_TEXTENTRY_EDIT &&
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w->widget.textentry.ypos == j) {
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revers(0);
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cputcxy(xpos, ypos, '>');
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c = 1;
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for(i = 0; i < w->w; ++i) {
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if(c != 0) {
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c = text[i + xscroll];
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}
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if(i == w->widget.textentry.xpos - xscroll) {
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textcolor(VNC_OUT_TEXTENTRYCOLOR + (focus ^ 0x01));
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revers(1);
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} else {
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revers(0);
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}
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if(c == 0) {
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cputc(' ');
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} else {
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cputc(c);
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}
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revers(0);
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textcolor(VNC_OUT_TEXTENTRYCOLOR + focus);
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}
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cputc('<');
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} else {
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if(focus & CTK_FOCUS_WIDGET && j == w->widget.textentry.ypos) {
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revers(1);
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} else {
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revers(0);
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}
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cvlinexy(xpos, ypos, 1);
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gotoxy(xpos + 1, ypos);
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cputsn(text, w->w);
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i = wherex();
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if(i - xpos - 1 < w->w) {
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cclear(w->w - (i - xpos) + 1);
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}
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cvline(1);
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}
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}
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++ypos;
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text += w->widget.textentry.len + 1;
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}
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revers(0);
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break;
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#if CTK_CONF_ICONS
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case CTK_WIDGET_ICON:
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if(ypos >= clipy1 && ypos < clipy2) {
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textcolor(VNC_OUT_ICONCOLOR + focus);
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if(focus & 1) {
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revers(1);
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} else {
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revers(0);
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}
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x = xpos;
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len = strlen(w->widget.icon.title);
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if(x + len >= sizex) {
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x = sizex - len;
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}
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gotoxy(x, ypos + 3);
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if(ypos >= clipy1 && ypos < clipy2) {
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cputs(w->widget.icon.title);
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}
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#if CTK_CONF_ICON_BITMAPS
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if(w->widget.icon.bitmap != NULL) {
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iconnum = vnc_out_add_icon((struct ctk_icon *)w);
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textcolor(iconnum | (focus << 6));
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gotoxy(xpos, ypos);
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cputc(0x80);
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cputc(0x81);
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cputc(0x82);
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cputc(0x83);
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++ypos;
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gotoxy(xpos, ypos);
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cputc(0x90);
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cputc(0x91);
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cputc(0x92);
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cputc(0x93);
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++ypos;
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gotoxy(xpos, ypos);
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cputc(0xa0);
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cputc(0xa1);
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cputc(0xa2);
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cputc(0xa3);
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++ypos;
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textcolor(0);
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/* for(i = 0; i < 3; ++i) {
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if(ypos >= clipy1 && ypos < clipy2) {
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cputc(w->widget.icon.textmap[0 + 3 * i]);
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cputc(w->widget.icon.textmap[1 + 3 * i]);
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cputc(w->widget.icon.textmap[2 + 3 * i]);
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}
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++ypos;
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}*/
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}
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#endif /* CTK_CONF_ICON_BITMAPS */
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revers(0);
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}
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break;
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#endif /* CTK_CONF_ICONS */
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default:
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break;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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|
/**
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|
* Draw a widget on the VNC screen. Called by the CTK module.
|
|
*
|
|
* \param w The widget to be drawn.
|
|
* \param focus The focus of the widget.
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|
* \param clipy1 The lower y coordinate bound.
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|
* \param clipy2 The upper y coordinate bound.
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|
*/
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|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_widget(struct ctk_widget *w,
|
|
unsigned char focus,
|
|
unsigned char clipy1,
|
|
unsigned char clipy2)
|
|
{
|
|
struct ctk_window *win = w->window;
|
|
struct ctk_icon *icon;
|
|
unsigned char posx, posy, x, len;
|
|
|
|
posx = win->x + 1;
|
|
posy = win->y + 2;
|
|
|
|
if(w == win->focused) {
|
|
focus |= CTK_FOCUS_WIDGET;
|
|
}
|
|
|
|
draw_widget(w, posx, posy,
|
|
posx + win->w,
|
|
posy + win->h,
|
|
clipy1, clipy2,
|
|
focus);
|
|
|
|
if(w->type != CTK_WIDGET_ICON) {
|
|
update_area(posx + w->x,
|
|
posy + w->y, w->w + 2, w->h);
|
|
} else {
|
|
icon = (struct ctk_icon *)w;
|
|
|
|
len = strlen(icon->title);
|
|
x = posx + w->x;
|
|
if(x + len >= sizex) {
|
|
x = sizex - len;
|
|
}
|
|
|
|
update_area(x, posy + w->y, len > 4? len: 4, w->h);
|
|
}
|
|
|
|
#ifdef CTK_CONIO_CONF_UPDATE
|
|
CTK_CONIO_CONF_UPDATE();
|
|
#endif /* CTK_CONIO_CONF_UPDATE */
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Clear a window on the VNC screen. Called by the CTK module.
|
|
*
|
|
* \param window The window to be cleared.
|
|
* \param focus The focus of the window.
|
|
* \param clipy1 The lower y coordinate bound.
|
|
* \param clipy2 The upper y coordinate bound.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_clear_window(struct ctk_window *window,
|
|
unsigned char focus,
|
|
unsigned char clipy1,
|
|
unsigned char clipy2)
|
|
{
|
|
unsigned char i;
|
|
unsigned char h;
|
|
/*
|
|
if(focus & CTK_FOCUS_WINDOW){
|
|
textcolor(WINDOWCOLOR_FOCUS);
|
|
} else {
|
|
textcolor(WINDOWCOLOR);
|
|
}*/
|
|
textcolor(VNC_OUT_WINDOWCOLOR + focus);
|
|
|
|
h = window->y + 2 + window->h;
|
|
/* Clear window contents. */
|
|
for(i = window->y + 2; i < h; ++i) {
|
|
if(i >= clipy1 && i < clipy2) {
|
|
cclearxy(window->x + 1, i, window->w);
|
|
}
|
|
}
|
|
|
|
update_area(window->x + 1, window->y + 2, window->w, window->h);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
static void
|
|
draw_window_contents(struct ctk_window *window, unsigned char focus,
|
|
unsigned char clipy1, unsigned char clipy2,
|
|
unsigned char x1, unsigned char x2,
|
|
unsigned char y1, unsigned char y2)
|
|
{
|
|
struct ctk_widget *w;
|
|
unsigned char wfocus;
|
|
|
|
/* Draw inactive widgets. */
|
|
for(w = window->inactive; w != NULL; w = w->next) {
|
|
draw_widget(w, x1, y1, x2, y2,
|
|
clipy1, clipy2,
|
|
focus);
|
|
}
|
|
|
|
/* Draw active widgets. */
|
|
for(w = window->active; w != NULL; w = w->next) {
|
|
wfocus = focus;
|
|
if(w == window->focused) {
|
|
wfocus |= CTK_FOCUS_WIDGET;
|
|
}
|
|
|
|
draw_widget(w, x1, y1, x2, y2,
|
|
clipy1, clipy2,
|
|
wfocus);
|
|
}
|
|
|
|
#ifdef CTK_CONIO_CONF_UPDATE
|
|
CTK_CONIO_CONF_UPDATE();
|
|
#endif /* CTK_CONIO_CONF_UPDATE */
|
|
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Draw a window on the VNC screen. Called by the CTK module.
|
|
*
|
|
* \param window The window to be drawn.
|
|
* \param focus The focus of the window.
|
|
* \param clipy1 The lower y coordinate bound.
|
|
* \param clipy2 The upper y coordinate bound.
|
|
* \param draw_borders The flag for border drawing.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_window(struct ctk_window *window, unsigned char focus,
|
|
unsigned char clipy1, unsigned char clipy2,
|
|
unsigned char draw_borders)
|
|
{
|
|
unsigned char x, y;
|
|
unsigned char h;
|
|
unsigned char x1, y1, x2, y2;
|
|
unsigned char i;
|
|
|
|
|
|
if(window->y + 1 >= clipy2) {
|
|
return;
|
|
}
|
|
|
|
x = window->x;
|
|
y = window->y + 1;
|
|
x1 = x + 1;
|
|
y1 = y + 1;
|
|
x2 = x1 + window->w;
|
|
y2 = y1 + window->h;
|
|
|
|
if(draw_borders) {
|
|
|
|
/* Draw window frame. */
|
|
textcolor(VNC_OUT_WINDOWCOLOR + focus);
|
|
/* if(focus & CTK_FOCUS_WINDOW) {
|
|
textcolor(WINDOWCOLOR_FOCUS);
|
|
} else {
|
|
textcolor(WINDOWCOLOR);
|
|
}*/
|
|
|
|
if(y >= clipy1) {
|
|
cputcxy(x, y, CH_ULCORNER);
|
|
for(i = wherex() + window->titlelen + CTK_CONF_WINDOWMOVE * 2; i < x2; ++i) {
|
|
cputcxy(i, y, CH_TITLEBAR);
|
|
}
|
|
cputcxy(x2, y, CH_URCORNER);
|
|
}
|
|
|
|
h = window->h;
|
|
|
|
if(clipy1 > y1) {
|
|
if(clipy1 - y1 < h) {
|
|
h = clipy1 - y1;
|
|
y1 = clipy1;
|
|
} else {
|
|
h = 0;
|
|
}
|
|
}
|
|
|
|
if(clipy2 < y1 + h) {
|
|
if(y1 >= clipy2) {
|
|
h = 0;
|
|
} else {
|
|
h = clipy2 - y1;
|
|
}
|
|
}
|
|
|
|
for(i = y1; i < y1 + h; ++i) {
|
|
cputcxy(x, i, CH_WINDOWLBORDER);
|
|
cputcxy(x2, i, CH_WINDOWRBORDER);
|
|
}
|
|
|
|
/* cvlinexy(x, y1, h);
|
|
cvlinexy(x2, y1, h); */
|
|
|
|
if(y + window->h >= clipy1 &&
|
|
y + window->h < clipy2) {
|
|
cputcxy(x, y2, CH_LLCORNER);
|
|
for(i = x1; i < x2; ++i) {
|
|
cputcxy(i, y2, CH_WINDOWLOWERBORDER);
|
|
}
|
|
/* chlinexy(x1, y2, window->w);*/
|
|
cputcxy(x2, y2, CH_LRCORNER);
|
|
}
|
|
}
|
|
|
|
draw_window_contents(window, focus, clipy1, clipy2,
|
|
x1, x2, y + 1, y2);
|
|
|
|
update_area(window->x, window->y, window->w + 2, window->h + 2);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Draw a dialog on the VNC screen. Called by the CTK module.
|
|
*
|
|
* \param dialog The dialog to be drawn.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_dialog(struct ctk_window *dialog)
|
|
{
|
|
unsigned char x, y;
|
|
unsigned char i;
|
|
unsigned char x1, y1, x2, y2;
|
|
|
|
/* textcolor(DIALOGCOLOR);*/
|
|
textcolor(VNC_OUT_WINDOWCOLOR + CTK_FOCUS_DIALOG);
|
|
|
|
x = dialog->x;
|
|
y = dialog->y + 1;
|
|
|
|
|
|
x1 = x + 1;
|
|
y1 = y + 1;
|
|
x2 = x1 + dialog->w;
|
|
y2 = y1 + dialog->h;
|
|
|
|
|
|
/* Draw dialog frame. */
|
|
|
|
for(i = y1; i < y1 + dialog->h; ++i) {
|
|
cputcxy(x, i, CH_DIALOGLBORDER);
|
|
cputcxy(x2, i, CH_DIALOGRBORDER);
|
|
}
|
|
/* cvlinexy(x, y1,
|
|
dialog->h);
|
|
cvlinexy(x2, y1,
|
|
dialog->h);*/
|
|
|
|
|
|
for(i = x1; i < x2; ++i) {
|
|
cputcxy(i, y, CH_DIALOGUPPERBORDER);
|
|
cputcxy(i, y2, CH_DIALOGLOWERBORDER);
|
|
}
|
|
/* chlinexy(x1, y,
|
|
dialog->w);
|
|
chlinexy(x1, y2,
|
|
dialog->w);*/
|
|
|
|
cputcxy(x, y, CH_DIALOG_ULCORNER);
|
|
cputcxy(x, y2, CH_DIALOG_LLCORNER);
|
|
cputcxy(x2, y, CH_DIALOG_URCORNER);
|
|
cputcxy(x2, y2, CH_DIALOG_LRCORNER);
|
|
|
|
|
|
/* Clear dialog contents. */
|
|
for(i = y1; i < y2; ++i) {
|
|
cclearxy(x1, i, dialog->w);
|
|
}
|
|
|
|
draw_window_contents(dialog, CTK_FOCUS_DIALOG, 0, sizey,
|
|
x1, x2, y1, y2);
|
|
|
|
update_area(dialog->x, dialog->y, dialog->w + 4, dialog->h + 4);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Clear parts of the VNC desktop. Called by the CTK module.
|
|
*
|
|
* \param y1 The lower y coordinate bound.
|
|
* \param y2 The upped y coordinate bound.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_clear(unsigned char y1, unsigned char y2)
|
|
{
|
|
unsigned char i;
|
|
|
|
textcolor(VNC_OUT_BACKGROUNDCOLOR);
|
|
for(i = y1; i < y2; ++i) {
|
|
cclearxy(0, i, sizex);
|
|
}
|
|
|
|
update_area(0, y1, sizex, y2 - y1);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/** \internal
|
|
* Draw one menu on the VNC desktop.
|
|
*
|
|
* \param m The CTK menu to be drawn.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
static void
|
|
draw_menu(struct ctk_menu *m)
|
|
{
|
|
unsigned char x, x2, y;
|
|
|
|
textcolor(VNC_OUT_MENUCOLOR);
|
|
x = wherex();
|
|
cputs(m->title);
|
|
cputc(' ');
|
|
x2 = wherex();
|
|
if(x + CTK_CONF_MENUWIDTH > sizex) {
|
|
x = sizex - CTK_CONF_MENUWIDTH;
|
|
}
|
|
|
|
|
|
for(y = 0; y < m->nitems; ++y) {
|
|
if(y == m->active) {
|
|
textcolor(VNC_OUT_ACTIVEMENUCOLOR);
|
|
revers(0);
|
|
} else {
|
|
textcolor(VNC_OUT_MENUCOLOR);
|
|
}
|
|
gotoxy(x, y + 1);
|
|
if(m->items[y].title[0] == '-') {
|
|
chline(CTK_CONF_MENUWIDTH);
|
|
} else {
|
|
cputs(m->items[y].title);
|
|
}
|
|
if(x + CTK_CONF_MENUWIDTH > wherex()) {
|
|
cclear(x + CTK_CONF_MENUWIDTH - wherex());
|
|
}
|
|
revers(1);
|
|
}
|
|
|
|
gotoxy(x2, 0);
|
|
textcolor(VNC_OUT_MENUCOLOR);
|
|
|
|
update_area(x, 0, CTK_CONF_MENUWIDTH, m->nitems + 1);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Draw the menus on the virtual VNC desktop. Called by the CTK module.
|
|
*
|
|
* \param menus The CTK menubar.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_draw_menus(struct ctk_menus *menus)
|
|
{
|
|
struct ctk_menu *m;
|
|
|
|
|
|
/* Draw menus */
|
|
textcolor(VNC_OUT_MENUCOLOR);
|
|
gotoxy(0, 0);
|
|
revers(1);
|
|
cputc(' ');
|
|
for(m = menus->menus->next; m != NULL; m = m->next) {
|
|
if(m != menus->open) {
|
|
update_area(wherex(), 0, strlen(m->title) + 1, 1);
|
|
cputs(m->title);
|
|
cputc(' ');
|
|
} else {
|
|
draw_menu(m);
|
|
}
|
|
}
|
|
|
|
|
|
if(wherex() + strlen(menus->desktopmenu->title) + 1>= sizex) {
|
|
gotoxy(sizex - strlen(menus->desktopmenu->title) - 1, 0);
|
|
} else {
|
|
cclear(sizex - wherex() -
|
|
strlen(menus->desktopmenu->title) - 1);
|
|
update_area(wherex(), 0, sizex - wherex() -
|
|
strlen(menus->desktopmenu->title) - 1, 1);
|
|
}
|
|
|
|
/* Draw desktopmenu */
|
|
if(menus->desktopmenu != menus->open) {
|
|
update_area(wherex(), 0, strlen(menus->desktopmenu->title) + 1, 1);
|
|
cputs(menus->desktopmenu->title);
|
|
cputc(' ');
|
|
} else {
|
|
draw_menu(menus->desktopmenu);
|
|
}
|
|
|
|
revers(0);
|
|
|
|
|
|
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Obtain the height of the VNC desktop. Called by the CTK module.
|
|
*
|
|
* \return The height of the VNC desktop, in characters.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned char
|
|
ctk_draw_height(void)
|
|
{
|
|
return sizey;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Obtain the height of the VNC desktop. Called by the CTK module.
|
|
*
|
|
* \return The height of the VNC desktop, in characters.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned char
|
|
ctk_draw_width(void)
|
|
{
|
|
return sizex;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned char
|
|
ctk_mouse_xtoc(unsigned short x)
|
|
{
|
|
return x / CTK_VNCFONT_WIDTH;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned char
|
|
ctk_mouse_ytoc(unsigned short y)
|
|
{
|
|
return y / CTK_VNCFONT_HEIGHT;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/** \internal
|
|
* Converts between ASCII and the VNC screen character encoding.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
static unsigned char
|
|
ascii2screen(unsigned char c)
|
|
{
|
|
if(c == '|') {
|
|
return 0x68;
|
|
}
|
|
if(c < 0x20) {
|
|
return c + 0x60;
|
|
}
|
|
if(c > 0x20 && c < 0x40) {
|
|
return c;
|
|
}
|
|
if(c >= 0x40 && c < 0x60) {
|
|
return c;
|
|
}
|
|
if(c >= 0x60 && c < 0x80) {
|
|
return c - 0x60;
|
|
}
|
|
if(c >= 0x80) {
|
|
return c;
|
|
}
|
|
|
|
return 32;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Draws a character on the virtual VNC screen. Called by the libconio module.
|
|
*
|
|
* \param c The character to be drawn.
|
|
* \param xpos The x position of the character.
|
|
* \param ypos The y position of the character.
|
|
* \param reversedflag Determines if the character should be reversed or not.
|
|
* \param color The color of the character.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_arch_draw_char(char c,
|
|
unsigned char xpos,
|
|
unsigned char ypos,
|
|
unsigned char reversedflag,
|
|
unsigned char color)
|
|
{
|
|
|
|
vnc_out_update_screen(xpos, ypos, ascii2screen(c),
|
|
color);
|
|
/* vnc_out_update_screen(xpos, ypos, c |
|
|
(reversedflag? 0x80: 0));*/
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Checks the key press input queue to see if there are pending
|
|
* keys. Called by the CTK module.
|
|
*
|
|
* \return Zero if no key presses are in buffer, non-zero if there are
|
|
* key presses in input buffer.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
unsigned char
|
|
ctk_arch_keyavail(void)
|
|
{
|
|
return vnc_out_keyavail();
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/**
|
|
* Retrieves key presses from the VNC client. Called by the CTK
|
|
* module.
|
|
*
|
|
* \return The next key in the input queue.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
ctk_arch_key_t
|
|
ctk_arch_getkey(void)
|
|
{
|
|
return vnc_out_getkey() & 0x7f;
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/** \internal
|
|
* The uIP event handler.
|
|
*/
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
ctk_vncserver_appcall(void *state)
|
|
{
|
|
static struct vnc_server_state *vs;
|
|
|
|
vs = (struct vnc_server_state *)(state);
|
|
|
|
if(uip_connected()) {
|
|
|
|
/* Since we've just been connected, the state pointer should be
|
|
NULL and we need to allocate a new state object. If we have run
|
|
out of memory for state objects, we'll have to abort the
|
|
connection and return. */
|
|
if(vs == NULL) {
|
|
vs = alloc_state();
|
|
if(vs == NULL) {
|
|
uip_close();
|
|
return;
|
|
}
|
|
tcp_markconn(uip_conn, (void *)vs);
|
|
}
|
|
} else if(uip_closed() || uip_aborted()) {
|
|
if(vs != NULL) {
|
|
dealloc_state(vs);
|
|
}
|
|
return;
|
|
}
|
|
vnc_server_appcall(vs);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(ctk_vncserver_process, ev, data)
|
|
{
|
|
int i;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
tcp_listen(UIP_HTONS(5900));
|
|
|
|
for(i = 0; i < CTK_VNCSERVER_CONF_NUMCONNS; ++i) {
|
|
conns[i].state = VNC_DEALLOCATED;
|
|
}
|
|
while(1) {
|
|
PROCESS_WAIT_EVENT();
|
|
if(ev == tcpip_event) {
|
|
ctk_vncserver_appcall(data);
|
|
}
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
/** @} */
|