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osd-contiki/core/ctk/ctk-conio.c
oliverschmidt 89f6235c13 Using wherex() to determine the length of the string printed with cputsn() fails if the right edge of the screen was reached as wherex() then returns 0. 
Therefore we rather count the chars actually printed in cputsn() and return that value thus avoiding usage of wherex() in those scenarios altogether.
2010-07-20 22:19:23 +00:00

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/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the "ctk" console GUI toolkit for cc65
*
* $Id: ctk-conio.c,v 1.14 2010/07/20 22:19:23 oliverschmidt Exp $
*
*/
#include <string.h>
#include <ctype.h>
#include "contiki.h"
#include "ctk/ctk.h"
#include "ctk-draw.h"
#ifndef NULL
#define NULL (void *)0
#endif /* NULL */
static unsigned char sizex, sizey;
unsigned char ctk_draw_windowborder_height = 1;
unsigned char ctk_draw_windowborder_width = 1;
unsigned char ctk_draw_windowtitle_height = 1;
/*-----------------------------------------------------------------------------------*/
static unsigned char
cputsn(char *str, unsigned char len)
{
unsigned char cnt = 0;
char c;
while(cnt < len) {
c = *str;
if(c == 0) {
break;
}
cputc(c);
++str;
++cnt;
}
return cnt;
}
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_init(void)
{
(void)bgcolor(SCREENCOLOR);
(void)bordercolor(BORDERCOLOR);
(void)textcolor(WINDOWCOLOR_FOCUS);
screensize(&sizex, &sizey);
ctk_draw_clear(0, sizey);
gotoxy(0, 0);
}
/*-----------------------------------------------------------------------------------*/
static void
draw_widget(struct ctk_widget *w,
unsigned char x, unsigned char y,
unsigned char clipx, unsigned char clipy,
unsigned char clipy1, unsigned char clipy2,
unsigned char focus)
{
unsigned char xpos, ypos, xscroll;
unsigned char i, j;
char c, *text;
unsigned char wfocus;
#if CTK_CONF_ICONS
unsigned char len;
#endif /* CTK_CONF_ICONS */
wfocus = 0;
if(focus & CTK_FOCUS_WINDOW) {
(void)textcolor(WIDGETCOLOR_FWIN);
if(focus & CTK_FOCUS_WIDGET) {
(void)textcolor(WIDGETCOLOR_FOCUS);
wfocus = 1;
}
#if CTK_CONF_WINDOWS
} else if(focus & CTK_FOCUS_DIALOG) {
(void)textcolor(WIDGETCOLOR_DIALOG);
if(focus & CTK_FOCUS_WIDGET) {
(void)textcolor(WIDGETCOLOR_FOCUS);
wfocus = 1;
}
#endif /* CTK_CONF_WINDOWS */
} else {
(void)textcolor(WIDGETCOLOR);
}
xpos = x + w->x;
ypos = y + w->y;
switch(w->type) {
case CTK_WIDGET_SEPARATOR:
if(ypos >= clipy1 && ypos < clipy2) {
chlinexy(xpos, ypos, w->w);
}
break;
case CTK_WIDGET_LABEL:
text = w->widget.label.text;
for(j = 0; j < w->h; ++j) {
if(ypos >= clipy1 && ypos < clipy2) {
gotoxy(xpos, ypos);
i = cputsn(text, w->w);
if(w->w - i > 0) {
cclear(w->w - i);
}
}
++ypos;
text += w->w;
}
break;
case CTK_WIDGET_BUTTON:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus != 0);
cputcxy(xpos, ypos, '[');
cputsn(w->widget.button.text, w->w);
cputc(']');
revers(0);
}
break;
case CTK_WIDGET_HYPERLINK:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus == 0);
gotoxy(xpos, ypos);
(void)textcolor(WIDGETCOLOR_HLINK);
cputsn(w->widget.button.text, w->w);
revers(0);
}
break;
case CTK_WIDGET_TEXTENTRY:
text = w->widget.textentry.text;
xscroll = 0;
if(w->widget.textentry.xpos >= w->w - 1) {
xscroll = w->widget.textentry.xpos - w->w + 1;
}
for(j = 0; j < w->h; ++j) {
if(ypos >= clipy1 && ypos < clipy2) {
if(w->widget.textentry.state == CTK_TEXTENTRY_EDIT &&
w->widget.textentry.ypos == j) {
revers(0);
cputcxy(xpos, ypos, '>');
c = 1;
for(i = 0; i < w->w; ++i) {
if(c != 0) {
c = text[i + xscroll];
}
revers(i == w->widget.textentry.xpos - xscroll);
if(c == 0) {
cputc(' ');
} else {
cputc(c);
}
}
revers(0);
cputc('<');
} else {
revers(wfocus != 0 && j == w->widget.textentry.ypos);
cvlinexy(xpos, ypos, 1);
gotoxy(xpos + 1, ypos);
i = cputsn(text, w->w);
if(w->w - i > 0) {
cclear(w->w - i);
}
cvline(1);
}
}
++ypos;
text += w->widget.textentry.len + 1;
}
revers(0);
break;
#if CTK_CONF_ICONS
case CTK_WIDGET_ICON:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus != 0);
#if CTK_CONF_ICON_TEXTMAPS
if(w->widget.icon.textmap != NULL) {
for(i = 0; i < 3; ++i) {
gotoxy(xpos, ypos);
if(ypos >= clipy1 && ypos < clipy2) {
cputc(w->widget.icon.textmap[0 + 3 * i]);
cputc(w->widget.icon.textmap[1 + 3 * i]);
cputc(w->widget.icon.textmap[2 + 3 * i]);
}
++ypos;
}
}
#endif /* CTK_CONF_ICON_TEXTMAPS */
len = (unsigned char)strlen(w->widget.icon.title);
if(xpos + len >= sizex) {
xpos = sizex - len;
}
gotoxy(xpos, ypos);
if(ypos >= clipy1 && ypos < clipy2) {
cputs(w->widget.icon.title);
}
revers(0);
}
break;
#endif /* CTK_CONF_ICONS */
default:
break;
}
}
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_widget(struct ctk_widget *w, unsigned char focus,
unsigned char clipy1, unsigned char clipy2)
{
struct ctk_window *win = w->window;
unsigned char posx, posy;
#if CTK_CONF_WINDOWS
posx = win->x + 1;
posy = win->y + 1 + CTK_CONF_MENUS;
#else /* CTK_CONF_WINDOWS */
posx = 0;
posy = 0;
#endif /* CTK_CONF_WINDOWS */
if(w == win->focused) {
focus |= CTK_FOCUS_WIDGET;
}
draw_widget(w, posx, posy, posx + win->w, posy + win->h, clipy1, clipy2, focus);
#ifdef CTK_CONIO_CONF_UPDATE
CTK_CONIO_CONF_UPDATE();
#endif /* CTK_CONIO_CONF_UPDATE */
}
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_clear_window(struct ctk_window *window, unsigned char focus,
unsigned char clipy1, unsigned char clipy2)
{
unsigned char i;
#if CTK_CONF_WINDOWS
unsigned char h;
#endif /* CTK_CONF_WINDOWS */
if(focus & CTK_FOCUS_WINDOW) {
(void)textcolor(WINDOWCOLOR_FOCUS);
} else {
(void)textcolor(WINDOWCOLOR);
}
#if CTK_CONF_WINDOWS
h = window->y + 1 + CTK_CONF_MENUS + window->h;
/* Clear window contents. */
for(i = window->y + 1 + CTK_CONF_MENUS; i < h; ++i) {
if(i >= clipy1 && i < clipy2) {
cclearxy(window->x + 1, i, window->w);
}
}
#else /* CTK_CONF_WINDOWS */
for(i = 0; i < window->h; ++i) {
if(i >= clipy1 && i < clipy2) {
cclearxy(0, i, window->w);
}
}
#endif /* CTK_CONF_WINDOWS */
}
/*-----------------------------------------------------------------------------------*/
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 */
}
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_window(struct ctk_window *window, unsigned char focus,
unsigned char clipy1, unsigned char clipy2,
unsigned char draw_borders)
{
#if CTK_CONF_WINDOWS
unsigned char x, y;
unsigned char x1, y1, x2, y2;
unsigned char h;
if(window->y + CTK_CONF_MENUS >= clipy2) {
return;
}
x = window->x;
y = window->y + CTK_CONF_MENUS;
x1 = x + 1;
y1 = y + 1;
x2 = x1 + window->w;
y2 = y1 + window->h;
if(draw_borders) {
/* Draw window frame. */
if(focus & CTK_FOCUS_WINDOW) {
(void)textcolor(WINDOWCOLOR_FOCUS);
} else {
(void)textcolor(WINDOWCOLOR);
}
if(y >= clipy1) {
cputcxy(x, y, (char)CH_ULCORNER);
gotoxy(wherex() + window->titlelen + CTK_CONF_WINDOWMOVE * 2, wherey());
chline(window->w - (wherex() - x) - 2);
cputcxy(x2, y, (char)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;
}
}
cvlinexy(x, y1, h);
cvlinexy(x2, y1, h);
if(y + window->h >= clipy1 && y + window->h < clipy2) {
cputcxy(x, y2, (char)CH_LLCORNER);
chlinexy(x1, y2, window->w);
cputcxy(x2, y2, (char)CH_LRCORNER);
}
}
draw_window_contents(window, focus, clipy1, clipy2, x1, x2, y + 1, y2);
#else /* CTK_CONF_WINDOWS */
draw_window_contents(window, focus, clipy1, clipy2, 0, window->w, 0, window->h);
#endif /* CTK_CONF_WINDOWS */
}
/*-----------------------------------------------------------------------------------*/
#if CTK_CONF_WINDOWS
void
ctk_draw_dialog(struct ctk_window *dialog)
{
unsigned char x, y;
unsigned char i;
unsigned char x1, y1, x2, y2;
(void)textcolor(DIALOGCOLOR);
x = dialog->x;
y = dialog->y + CTK_CONF_MENUS;
x1 = x + 1;
y1 = y + 1;
x2 = x1 + dialog->w;
y2 = y1 + dialog->h;
/* Draw dialog frame. */
cvlinexy(x, y1, dialog->h);
cvlinexy(x2, y1, dialog->h);
chlinexy(x1, y, dialog->w);
chlinexy(x1, y2, dialog->w);
cputcxy(x, y, (char)CH_ULCORNER);
cputcxy(x, y2, (char)CH_LLCORNER);
cputcxy(x2, y, (char)CH_URCORNER);
cputcxy(x2, y2, (char)CH_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);
}
#endif /* CTK_CONF_WINDOWS */
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_clear(unsigned char y1, unsigned char y2)
{
unsigned char i;
for(i = y1; i < y2; ++i) {
cclearxy(0, i, sizex);
}
}
/*-----------------------------------------------------------------------------------*/
#if CTK_CONF_MENUS
static void
draw_menu(struct ctk_menu *m, unsigned char open)
{
unsigned char x, x2, y;
if(open) {
x = x2 = wherex();
if(x2 + CTK_CONF_MENUWIDTH > sizex) {
x2 = sizex - CTK_CONF_MENUWIDTH;
}
for(y = 0; y < m->nitems; ++y) {
if(y == m->active) {
(void)textcolor(ACTIVEMENUITEMCOLOR);
revers(0);
} else {
(void)textcolor(MENUCOLOR);
revers(1);
}
gotoxy(x2, y + 1);
if(m->items[y].title[0] == '-') {
chline(CTK_CONF_MENUWIDTH);
} else {
cputs(m->items[y].title);
}
if(x2 + CTK_CONF_MENUWIDTH > wherex()) {
cclear(x2 + CTK_CONF_MENUWIDTH - wherex());
}
}
gotoxy(x, 0);
(void)textcolor(OPENMENUCOLOR);
revers(0);
}
cputs(m->title);
cputc(' ');
(void)textcolor(MENUCOLOR);
revers(1);
}
/*-----------------------------------------------------------------------------------*/
void
ctk_draw_menus(struct ctk_menus *menus)
{
struct ctk_menu *m;
/* Draw menus */
(void)textcolor(MENUCOLOR);
gotoxy(0, 0);
revers(1);
cputc(' ');
for(m = menus->menus->next; m != NULL; m = m->next) {
draw_menu(m, m == menus->open);
}
/* Draw desktopmenu */
if(wherex() + strlen(menus->desktopmenu->title) + 1 >= sizex) {
gotoxy(sizex - (unsigned char)strlen(menus->desktopmenu->title) - 1, 0);
} else {
cclear(sizex - wherex() -
(unsigned char)strlen(menus->desktopmenu->title) - 1);
}
draw_menu(menus->desktopmenu, menus->desktopmenu == menus->open);
revers(0);
}
#endif /* CTK_CONF_MENUS */
/*-----------------------------------------------------------------------------------*/
unsigned char
ctk_draw_height(void)
{
return sizey;
}
/*-----------------------------------------------------------------------------------*/
unsigned char
ctk_draw_width(void)
{
return sizex;
}
/*-----------------------------------------------------------------------------------*/
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