aseprite/src/app/ui/button_set.cpp

160 lines
3.5 KiB
C++

/* Aseprite
* Copyright (C) 2001-2013 David Capello
*
* 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 2 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <allegro/unicode.h>
#include <stdarg.h>
#include "app/ui/button_set.h"
#include "base/bind.h"
#include "app/modules/gui.h"
#include "ui/box.h"
#include "ui/button.h"
#include "ui/system.h"
#include "ui/theme.h"
#include "ui/widget.h"
namespace app {
using namespace ui;
static Widget* find_selected(Widget* widget);
static int select_button(Widget* widget, int index);
class ButtonSet::Item : public RadioButton
{
public:
Item(int index, int radioGroup, int b1, int b2, int b3, int b4)
: RadioButton("", radioGroup, kButtonWidget)
, m_index(index)
{
setRadioGroup(radioGroup);
setAlign(JI_CENTER | JI_MIDDLE);
setup_mini_look(this);
setup_bevels(this, b1, b2, b3, b4);
}
int getIndex() const { return m_index; }
private:
int m_index;
};
ButtonSet::ButtonSet(int w, int h, int firstSelected, ...)
: Box(JI_VERTICAL | JI_HOMOGENEOUS)
{
Box* hbox = NULL;
int x, y, icon;
va_list ap;
int c = 0;
char buf[256];
va_start(ap, firstSelected);
this->noBorderNoChildSpacing();
for (y=0; y<h; y++) {
if (w > 1) {
hbox = new Box(JI_HORIZONTAL | JI_HOMOGENEOUS);
hbox->noBorderNoChildSpacing();
}
for (x=0; x<w; x++) {
icon = va_arg(ap, int);
Item* item = new Item(c,
(int)(reinterpret_cast<unsigned long>(this) & 0xffffffff),
x == 0 && y == 0 ? 2: 0,
x == w-1 && y == 0 ? 2: 0,
x == 0 && y == h-1 ? 2: 0,
x == w-1 && y == h-1 ? 2: 0);
m_items.push_back(item);
usprintf(buf, "radio%d", c);
item->setId(buf);
if (icon >= 0)
set_gfxicon_to_button(item, icon, icon+1, icon, JI_CENTER | JI_MIDDLE);
item->Click.connect(Bind<void>(&ButtonSet::onItemChange, this));
if (c == firstSelected)
item->setSelected(true);
if (hbox)
hbox->addChild(item);
else
this->addChild(item);
c++;
}
if (hbox)
this->addChild(hbox);
}
va_end(ap);
}
int ButtonSet::getSelectedItem() const
{
Item* sel = findSelectedItem();
if (sel)
return sel->getIndex();
else
return -1;
}
void ButtonSet::setSelectedItem(int index)
{
Item* sel = findSelectedItem();
if (!sel || sel->getIndex() != index) {
sel->setSelected(false);
m_items[index]->setSelected(true);
}
}
Widget* ButtonSet::getButtonAt(int index)
{
return m_items[index];
}
ButtonSet::Item* ButtonSet::findSelectedItem() const
{
for (Items::const_iterator it=m_items.begin(), end=m_items.end();
it != end; ++it) {
if ((*it)->isSelected())
return *it;
}
return NULL;
}
void ButtonSet::onItemChange()
{
ItemChange();
}
} // namespace app