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Ui.cpp
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Ui.cpp
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/*
* This file is part of NumptyPhysics
* Copyright (C) 2008 Tim Edmonds
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include "Ui.h"
#include "Font.h"
#include "Canvas.h"
#include "Os.h"
#include "Config.h"
static int indent = 0;
////////////////////////////////////////////////////////////////
Widget::Widget(WidgetParent *p)
: m_parent(p),
m_eventMap(NULL),
m_pos(0,0,2,2),
m_focussed(false),
m_alpha(0),
m_fitToParent(false),
m_greedyMouse(false),
m_bg(DEFAULT_BG),
m_fg(DEFAULT_FG),
m_border(0)
{}
std::string Widget::toString()
{
char buf[32];
char ind[] = " "
" ";
//fprintf(stderr,"[%d,%d-%d,%d]\n",m_pos.tl.x,m_pos.tl.y,m_pos.br.x,m_pos.br.y);
sprintf(buf,"[%d,%d-%d,%d]\n",m_pos.tl.x,m_pos.tl.y,m_pos.br.x,m_pos.br.y);
ind[indent] = '\0';
std::string s(ind);
s += name();
s += buf;
return s;
}
void Widget::move( const Vec2& by )
{
m_pos.tl+=by;
m_pos.br+=by;
dirty();
if (m_parent) m_parent->dirty();
}
void Widget::sizeTo( const Vec2& size )
{
m_pos.br=m_pos.tl+size;
onResize();
if (m_parent) m_parent->dirty();
}
bool Widget::processEvent( SDL_Event& ev )
{
if (m_eventMap) {
Event e = m_eventMap->process(ev);
if (e.code != Event::NOP) {
return dispatchEvent(e);
}
}
return false;
}
bool Widget::dispatchEvent( Event& ev )
{
if (onEvent(ev)) {
//fprintf(stderr,"event %d consumed by %s\n", ev.code, name());
return true;
} else if (m_parent) {
//fprintf(stderr,"toparent %s event %d\n", m_parent->name(), ev.code);
return m_parent->dispatchEvent(ev);
}
return false;
}
void Widget::setEventMap(EventMapType map)
{
setEventMap( OS->getEventMap(map) );
}
void Widget::draw( Canvas& screen, const Rect& area )
{
if ( m_alpha > 0 ) {
Rect r = m_pos;
r.clipTo(area);
if (!r.isEmpty()) {
if ( m_focussed ) {
screen.drawRect(r,screen.makeColour(SELECTED_BG));
} else if (m_alpha==255) {
screen.drawRect(m_pos,screen.makeColour(m_bg));
} else {
screen.fade(r);
}
}
}
if (m_border) {
screen.drawRect(m_pos,screen.makeColour(TL_BORDER),false);
}
dirty(false);
}
WidgetParent* Widget::topLevel()
{
WidgetParent* p = parent();
while (p && p->parent()) {
p = p->parent();
}
return p;
}
////////////////////////////////////////////////////////////////
Label::Label()
{
}
Label::Label(const std::string& s, const Font* f)
: m_text(s),
m_font(f?f:Font::blurbFont())
{}
void Label::text( const std::string& s )
{
m_text = s;
dirty();
}
void Label::draw( Canvas& screen, const Rect& area )
{
Widget::draw(screen,area);
screen.setClip(area.tl.x,area.tl.y,area.width(),area.height());
m_font->drawCenter( &screen, m_pos.centroid(), m_text, m_fg);
screen.resetClip();
}
void Label::align( int a )
{}
////////////////////////////////////////////////////////////////
Button::Button(const std::string& s, Event selEvent)
: Label(s),
m_selEvent(selEvent)
{
border(true);
alpha(100);
font(Font::headingFont());
setEventMap(UI_BUTTON_MAP);
}
void Button::draw( Canvas& screen, const Rect& area )
{
Label::draw(screen,area);
if (m_focussed) {
screen.drawRect(m_pos,screen.makeColour(TL_BORDER),false);
}
}
bool Button::onEvent( Event& ev )
{
//fprintf(stderr,"Button::onEvent %d\n",ev.code);
switch (ev.code) {
case Event::SELECT:
if (m_focussed) {
// fprintf(stderr,"button press translate %d -> %d/%d,%d\n",
// ev.code,m_selEvent.code,m_selEvent.x,m_selEvent.y);
m_focussed = false;
dirty();
onSelect();
if (m_parent && m_selEvent.code != Event::NOP) {
//fprintf(stderr,"button press event dispatch %d\n",m_selEvent.code);
m_parent->dispatchEvent(m_selEvent);
}
return true;
}
break;
case Event::FOCUS:
if (m_pos.contains(Vec2(ev.x,ev.y))) {
if (!m_focussed) {
m_focussed = true;
dirty();
return true;
}
} else if (m_focussed) {
m_focussed = false;
dirty();
}
default: break;
}
return false;
}
////////////////////////////////////////////////////////////////
Icon::Icon( Canvas* c )
: m_canvas(c)
{
if (c) {
sizeTo(Vec2(c->width(),c->height()));
}
}
Icon::~Icon()
{
delete m_canvas;
}
void Icon::canvas( Canvas *c )
{
delete m_canvas;
m_canvas = c;
dirty();
}
void Icon::draw( Canvas& screen, const Rect& area )
{
Widget::draw(screen,area);
if (m_canvas) {
screen.drawImage(m_canvas,m_pos.tl.x,m_pos.tl.y);
}
}
////////////////////////////////////////////////////////////////
IconButton::IconButton(const std::string& s, const std::string& icon, const Event& ev)
: Button(s,ev),
m_icon(icon.size()==0?NULL:new Image(icon.c_str(),true)),
m_ownIcon(true),
m_vertical(true)
{
}
IconButton::~IconButton()
{
if (m_ownIcon) delete m_icon;
}
void IconButton::canvas(Canvas *c, bool takeOwnership)
{
if (m_ownIcon) delete m_icon;
m_icon = c;
m_ownIcon = takeOwnership;
dirty();
}
Canvas* IconButton::canvas()
{
return m_icon;
}
void IconButton::icon(const std::string& icon)
{
if (m_ownIcon) delete m_icon;
m_icon = new Image(icon.c_str(),true);
m_ownIcon = true;
dirty();
}
void IconButton::draw( Canvas& screen, const Rect& area )
{
screen.setClip(area.tl.x,area.tl.y,area.width(),area.height());
if (m_icon) {
Widget::draw(screen,area);
if (m_focussed) {
screen.drawRect(m_pos,screen.makeColour(SELECTED_BG),true);
}
Vec2 textsize = m_font->metrics(m_text);
int gap = (m_vertical ? : m_pos.width()) / 10;
if (m_vertical) {
int x = m_pos.centroid().x - m_icon->width()/2;
int y = m_pos.centroid().y - m_icon->height()/2 - textsize.y/2;
if (y<m_pos.tl.y) y = m_pos.tl.y;
screen.drawImage(m_icon,x,y);
x = m_pos.centroid().x;
y += m_icon->height() + m_pos.height()/10;
m_font->drawCenter( &screen, Vec2(x,y), m_text, m_fg);
} else {
int x = m_pos.tl.x + 10;
int y = m_pos.centroid().y - m_icon->height()/2;
screen.drawImage(m_icon,x,y);
x += m_icon->width() + 10;
y = m_pos.centroid().y - textsize.y/2;
m_font->drawLeft( &screen, Vec2(x,y), m_text, m_fg);
}
} else {
Button::draw(screen,area);
}
screen.resetClip();
}
////////////////////////////////////////////////////////////////
RichText::RichText(const std::string& s, const Font* f)
: Label(s,f),
m_layoutRequired(true)
{}
RichText::RichText(unsigned char *s, size_t len, const Font* f)
: Label(std::string((const char*)s, len),f),
m_layoutRequired(true)
{}
void RichText::text( const std::string& s )
{
Label::text(s);
m_layoutRequired = true;
}
void RichText::draw( Canvas& screen, const Rect& area )
{
Widget::draw(screen,area);
if (m_layoutRequired) {
layout(m_pos.width()-20);
m_layoutRequired = false;
}
screen.setClip(area.tl.x,area.tl.y,area.width(),area.height());
for (int l=0; l<m_snippets.size(); l++) {
if (m_snippets[l].textlen > 0) {
Vec2 pos = m_pos.tl + m_snippets[l].pos;
Vec2 posnext = l==m_snippets.size()-1 ? pos:m_pos.tl+m_snippets[l+1].pos;
if (pos.y < area.br.y && posnext.y >= area.tl.y ) {
std::string sniptext = m_text.substr(m_snippets[l].textoff,
m_snippets[l].textlen);
switch (m_snippets[l].align) {
case 1:
pos.x += (m_pos.width()-20-m_snippets[l].font->metrics(sniptext).x)/2;
break;
case 2:
pos.x += m_pos.width()-20-m_snippets[l].font->metrics(sniptext).x;
break;
}
m_snippets[l].font->drawLeft( &screen, pos, sniptext, m_fg);
}
}
}
screen.resetClip();
}
int RichText::layout(int w)
{
struct Tag {
Tag(const std::string& str, size_t begin, size_t end)
: m_str(str), m_closed(false), m_begin(begin), m_end(end)
{
if (str[m_begin]=='<') {m_begin++;}
if (str[m_begin]=='/') {m_closed=true; m_begin++;}
if (str[m_end]=='/') {m_closed=true; m_end--;}
m_tag = m_str.substr(m_begin,m_str.find_first_of(" \t/>",m_begin)-m_begin);
}
const std::string& tag() {
return m_tag;
}
std::string prop(const std::string& name) {
std::string mark(" ");
std::string value;
mark += name + '=';
if (m_str.find(mark) != std::string::npos) {
char term = ' ';
const char *p = m_str.c_str() + m_str.find(mark) + mark.length();
if (term==' ' && (*p=='\'' || *p=='"')) { term = *p++; }
while (term!=' ' ? (*p != term) : (*p!='/' && *p!='>')) {
value += *p++;
}
}
return value;
}
bool closed() { return m_closed; }
const std::string& m_str;
bool m_closed;
size_t m_begin, m_end;
std::string m_tag;
};
const int margin = 10;
w -= margin*2;
int x = margin, y = 0, l = 0, h = 0;
size_t p=0;
int spacewidth = m_font->metrics(" ").x;
Snippet snippet = {Vec2(x,y),0,0,0,m_font};
Vec2 wordmetrics;
m_snippets.empty();
m_snippets.append(snippet);
//fprintf(stderr,"layout w=%d \"%s\"\n",w,m_text.c_str());
while (p != std::string::npos) {
int wordwidth;
bool newline = false;
size_t e = m_text.find_first_of(" \t\n\r<>", p);
if (e==std::string::npos) {
wordmetrics = snippet.font->metrics(m_text.substr(p,e));
} else {
wordmetrics = snippet.font->metrics(m_text.substr(p,e-p));
}
//fprintf(stderr,"word \"%s\" w=%d\n",m_text.substr(p,e-p).c_str(),wordmetrics.x);
if (x!=margin) {
// space
wordmetrics.x += spacewidth;
}
if (x==margin || x+wordmetrics.x < w) {
// add to snippet
p = e;
x += wordmetrics.x;
} else {
e = p;
newline = true;
}
if (e!=std::string::npos && m_text[e]=='<') {
size_t f = m_text.find('>',e);
Tag tag(m_text,e,f);
//fprintf(stderr,"got tag \"%s\"\n",tag.tag().c_str());
if (tag.tag() == "H1") {
newline = true;
if (tag.closed()) {
snippet.font = m_font;
y += snippet.font->height()/2;
} else {
snippet.font = Font::titleFont();
h += snippet.font->height();
}
} else if (tag.tag() == "H2") {
newline = true;
if (tag.closed()) {
snippet.font = m_font;
y += snippet.font->height()/2;
} else {
snippet.font = Font::headingFont();
h += snippet.font->height();
}
} else if (tag.tag() == "BR") {
newline = true;
} else if (tag.tag() == "P") {
newline = true;
std::string align = tag.prop("align");
if (align=="center") snippet.align=1;
else if (align=="right") snippet.align=2;
else snippet.align=0;
} else if (tag.tag() == "LI") {
newline = true;
x += margin;
} else if (tag.tag() == "IMG") {
}
//fprintf(stderr,"skip %d chars \n",f+1-e);
e = f + 1;
}
if (newline) {
//line break;
int len = p - m_snippets[l].textoff;
if (len > 0) {
m_snippets[l].textlen = len > 0 ? len : 0;
m_snippets[l].pos.y = y;
snippet.textoff = e;
m_snippets.append(snippet);
//fprintf(stderr,"new line %d w=%d, \"%s\"\n", y, x+wordmetrics.x,
// m_text.substr(m_snippets[l].textoff,m_snippets[l].textlen).c_str());
y += m_snippets[l].font->height();
l++;
x = margin + indent;
h = 0;
} else {
m_snippets[l] = snippet;
m_snippets[l].textoff = e;
m_snippets[l].pos.x = x;
}
}
p=e;
if (p==std::string::npos) {
m_snippets[l].textlen = m_text.length() - m_snippets[l].textoff;
m_snippets[l].pos = Vec2(0,y);
y += m_snippets[l].font->height();
//fprintf(stderr,"last line %d \"%s\"\n", y,
// m_text.substr(m_snippets[l].textoff,m_snippets[l].textlen).c_str());
} else {
while (m_text[p] == ' '
|| m_text[p] == '\n'
|| m_text[p] == '\r'
|| m_text[p] == '\t') {
//eat whitespace
if (p==m_snippets[l].textoff) {
m_snippets[l].textoff++;
}
p++;
}
}
}
return y;
}
////////////////////////////////////////////////////////////////
Draggable::Draggable()
: m_dragMaybe(false),
m_dragging(false),
m_step(2,2),
m_delta(0,0),
m_internalEvent(false)
{
setEventMap(UI_DRAGGABLE_MAP);
}
bool Draggable::processEvent( SDL_Event& ev )
{
// get in before our children
if (!m_internalEvent && m_eventMap) {
Event e = m_eventMap->process(ev);
if (e.code != Event::NOP) {
return onPreEvent(e);
}
}
// normal processing
return Container::processEvent(ev);
}
bool Draggable::onPreEvent( Event& ev )
{
//fprintf(stderr,"draggable event %d %d,%d\n",ev.code,ev.x,ev.y);
switch (ev.code) {
case Event::MOVEBEGIN:
m_dragMaybe = true;
m_dragOrg = Vec2(ev.x,ev.y);
return true;
case Event::MOVEMORE:
if (m_dragMaybe && !m_dragging
&& ( Abs(ev.x-m_dragOrg.x) >= CLICK_TOLERANCE
|| Abs(ev.y-m_dragOrg.y) >= CLICK_TOLERANCE ) ) {
m_dragging = true;
}
if (m_dragging) {
m_delta = Vec2(ev.x,ev.y)-m_dragOrg;
m_delta.x = m_step.x ? m_delta.x : 0;
m_delta.y = m_step.y ? m_delta.y : 0;
move( m_delta );
m_dragOrg = Vec2(ev.x,ev.y);
return true;
}
break;
case Event::MOVEEND:
if (m_dragging) {
m_dragMaybe = false;
m_dragging = false;
return true;
} else {
//translate into a raw click
SDL_Event sdlEv;
sdlEv.type = SDL_MOUSEBUTTONDOWN;
sdlEv.button.button = SDL_BUTTON_LEFT;
sdlEv.button.x = ev.x;
sdlEv.button.y = ev.y;
m_internalEvent = true;
processEvent(sdlEv);
sdlEv.type = SDL_MOUSEBUTTONUP;
bool result = processEvent(sdlEv);
m_internalEvent = false;
return result;
}
break;
}
return false;
}
bool Draggable::onEvent( Event& ev )
{
//fprintf(stderr,"draggable event %d %d,%d\n",ev.code,ev.x,ev.y);
switch (ev.code) {
case Event::UP:
m_dragging = m_dragMaybe = false;
move(Vec2(0,m_step.y));
return true;
case Event::DOWN:
m_dragging = m_dragMaybe = false;
move(Vec2(0,-m_step.y));
return true;
case Event::LEFT:
m_dragging = m_dragMaybe = false;
move(Vec2(-m_step.y,0));
return true;
case Event::RIGHT:
m_dragging = m_dragMaybe = false;
move(Vec2(m_step.x,0));
return true;
default: break;
}
return Panel::onEvent(ev);
}
void Draggable::onTick( int tick )
{
if (!m_dragging && (m_delta.x != 0 || m_delta.y != 0)) {
//fprintf(stderr, "Draggable::onTick glide %d, %d\n",m_delta.x,m_delta.y);
move(m_delta);
m_delta = m_delta * 50 / 51;
}
}
////////////////////////////////////////////////////////////////
class ScrollContents : public Draggable
{
public:
ScrollContents()
{
}
};
ScrollArea::ScrollArea()
: m_canvas(NULL)
{
m_contents = new ScrollContents();
m_contents->step(Vec2(0,5));
Container::add(m_contents,0,0);
}
bool ScrollArea::onEvent( Event& ev )
{
return Panel::onEvent(ev);
}
void ScrollArea::onResize()
{
delete m_canvas;
m_canvas = new Canvas(m_pos.size().x, m_pos.size().y);
}
void ScrollArea::virtualSize( const Vec2& size )
{
dirty();
m_contents->sizeTo(size);
}
void ScrollArea::draw( Canvas& screen, const Rect& area )
{
Rect cpos = m_contents->position();
if (cpos.tl.y > m_pos.tl.y) {
m_contents->moveTo(Vec2(cpos.tl.x,m_pos.tl.y));
}
if (cpos.br.y < m_pos.br.y && cpos.height() > m_pos.height()) {
m_contents->moveTo(Vec2(cpos.tl.x,m_pos.br.y - cpos.size().y));
}
#if 1
Container::draw(screen,area);
#else
screen.drawRect(m_pos, screen.makeColour(0xff,0,0), true);
if (m_canvas) {
if (m_contents->isDirty()) {
Rect relArea = area - m_pos.tl;
m_contents->draw(*m_canvas, relArea);
}
screen.drawImage(m_canvas, m_pos.tl.x, m_pos.tl.y);
}
#endif
}
void ScrollArea::add( Widget* w, int x, int y )
{
m_contents->add(w,x,y);
}
void ScrollArea::remove( Widget* w )
{
m_contents->remove(w);
}
void ScrollArea::empty()
{
m_contents->empty();
}
////////////////////////////////////////////////////////////////
Container::Container()
{}
Container::~Container()
{
for (int i=0; i<m_children.size(); ++i) {
delete m_children[i];
}
}
std::string Container::toString()
{
std::string s = Widget::toString();
indent++;
for (int i=0; i<m_children.size(); ++i) {
s += m_children[i]->toString();
}
indent--;
return s;
}
void Container::move( const Vec2& by )
{
WidgetParent::move(by);
for (int i=0; i<m_children.size(); ++i) {
m_children[i]->move(by);
}
}
bool Container::isDirty()
{
if (m_dirty) {
return true;
}
for (int i=0; i<m_children.size(); ++i) {
if (m_children[i]->isDirty()) {
return true;
}
}
return false;
}
Rect Container::dirtyArea()
{
if (m_dirty) {
return m_pos;
}
Rect r(false);
for (int i=0; i<m_children.size(); ++i) {
r.expand(m_children[i]->dirtyArea());
}
return r;
}
void Container::onTick( int tick )
{
for (int i=0; i<m_children.size(); ++i) {
m_children[i]->onTick(tick);
}
}
void Container::draw( Canvas& screen, const Rect& area )
{
WidgetParent::draw(screen,area);
for (int i=0; i<m_children.size(); ++i) {
if (m_children[i]->position().intersects(area)) {
Rect relArea = area;
relArea.clipTo(m_children[i]->position());
m_children[i]->draw(screen, relArea);
m_children[i]->dirty(false);
}
}
dirty(false);
}
bool Container::processEvent( SDL_Event& ev )
{
if (ev.type == SDL_MOUSEBUTTONUP ||
ev.type == SDL_MOUSEBUTTONDOWN ||
ev.type == SDL_MOUSEMOTION) {
if (ev.button.which != 0) {
/**
* Ignore button events for multi-touch fingers if it
* isn't the first finger (which == 0). This prevents
* "cool" drawing effects on Harmattan.
*
* TODO: Make it cool by allowing multiple lines to be
* drawn simultaneously (like NuMTyPYsics ;)
**/
return true;
}
}
switch( ev.type ) {
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
for (int i=m_children.size()-1; i>=0; --i) {
Widget *c = m_children[i];
if (c->greedyMouse()
|| c->position().contains(Vec2(ev.button.x,ev.button.y))) {
if ( c->processEvent(ev) ) {
return true;
}
}
}
break;
default:
for (int i=m_children.size()-1; i>=0; --i) {
//fprintf(stderr," ev to: %s\n",m_children[i]->toString().c_str());
if (m_children[i]->processEvent(ev)) {
return true;
}
}
break;
}
return Widget::processEvent(ev);
}
void Container::onResize()
{
for (int i=0; i<m_children.size(); ++i) {
if (m_children[i]->fitToParent()) {
m_children[i]->moveTo(m_pos.tl);
m_children[i]->sizeTo(m_pos.size());
}
}
}
void Container::add( Widget* w, int x, int y )
{
if (x!=-9999 && y!=-9999) {
Vec2 pos = m_pos.tl+Vec2(x,y);
w->moveTo(pos);
}
w->setParent(this);
m_children.append(w);
onResize();
dirty();
}
void Container::remove( Widget* w )
{
if (w) {
if (m_children.indexOf(w) >= 0) {
w->setParent(NULL);
m_children.erase(m_children.indexOf(w));
dirty();
delete w;
}
}
}
void Container::empty()
{
while (m_children.size() > 0) {
remove(m_children[m_children.size()-1]);
}
}
////////////////////////////////////////////////////////////////
Box::Box(int spacing, bool vertical)
: m_spacing(spacing),
m_vertical(vertical)
{
fitToParent(true);
}
void Box::onResize()
{
int totalw=-m_spacing, totalg=0;
for (int i=0; i<m_sizes.size(); ++i) {
totalw += m_sizes[i] + m_spacing;
totalg += m_growths[i];
}
int extra = (m_vertical ? m_pos.height() : m_pos.width()) - totalw;
extra = extra > 0 ? extra : 0;
Vec2 org(m_pos.tl);
for (int i=0; i<m_sizes.size(); ++i) {
//fprintf(stderr,"box hild %d at %d,%d\n",i,org.x,org.y);
m_children[i]->moveTo(org);
int incr = totalg>0 ? m_growths[i] * extra / totalg : 0;
if (m_vertical) {
m_children[i]->sizeTo(Vec2(m_pos.width(),m_sizes[i]+incr));
org.y += m_sizes[i] + incr + m_spacing;
} else {
m_children[i]->sizeTo(Vec2(m_sizes[i]+incr,m_pos.height()));
org.x += m_sizes[i] + incr + m_spacing;
}
}
}
void Box::add( Widget* w, int dim, int grow )
{
Panel::add(w,0,0);
m_sizes.append(dim);
m_growths.append(grow);
onResize();
}
void Box::remove( Widget* w )
{
m_sizes.erase(m_children.indexOf(w));
m_growths.erase(m_children.indexOf(w));
Panel::remove(w);
onResize();
}
////////////////////////////////////////////////////////////////
void Menu::addItems(const MenuItem* item)
{
while (item && item->event.code != Event::NOP) {
m_items.append(new MenuItem(item->text,item->event));
item++;
}
layout();
}
void Menu::addItem(const MenuItem& item)
{
m_items.append(new MenuItem(item.text,item.event));
layout();
}
void Menu::addItem(const std::string& s, Event event)
{
addItem(MenuItem(s,event));
}
////////////////////////////////////////////////////////////////
TabBook::TabBook()
: m_count(0),
m_selected(-1),
m_contents(NULL)
{}
TabBook::~TabBook()
{
selectTab(-1);
for (int i=0; i<m_panels.size(); ++i) {
delete m_panels[i];
}
}
void TabBook::onResize()
{
for (int i=0; i<m_count; i++) {
m_tabs[i]->moveTo(Vec2((2*i-m_count)*TAB_WIDTH/2+m_pos.centroid().x,m_pos.tl.y));
}
}
bool TabBook::onEvent( Event& ev )
{
if (ev.code == Event::SELECT && ev.y==-1) {
selectTab(ev.x);
return true;
}
return Panel::onEvent(ev);
}
void TabBook::draw( Canvas& screen, const Rect& area )
{
Panel::draw(screen,area);
Rect border = m_pos;
border.tl.y += TAB_HEIGHT;
screen.drawRect(border,screen.makeColour(TL_BORDER),false);
}
void TabBook::addTab( const std::string &s, Widget* w )
{
Widget* tab = new Button(s,Event(Event::SELECT,m_count,-1));
add( tab, Rect(m_count*TAB_WIDTH,0,
(m_count+1)*TAB_WIDTH,TAB_HEIGHT) );
m_tabs.append(tab);
m_panels.append(w);
m_count++;
if ( m_selected < 0 ) {
selectTab(m_count-1);