minetest/src/guiConfirmMenu.cpp

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/*
Minetest-c55
Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "guiConfirmMenu.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>
#include "gettext.h"
enum
{
GUI_ID_YES = 101,
GUI_ID_NO,
};
GUIConfirmMenu::GUIConfirmMenu(gui::IGUIEnvironment* env,
gui::IGUIElement* parent, s32 id,
IMenuManager *menumgr,
ConfirmDest *dest,
std::wstring message_text
):
GUIModalMenu(env, parent, id, menumgr),
m_dest(dest),
m_message_text(message_text)
{
}
GUIConfirmMenu::~GUIConfirmMenu()
{
removeChildren();
if(m_dest)
delete m_dest;
}
void GUIConfirmMenu::removeChildren()
{
const core::list<gui::IGUIElement*> &children = getChildren();
core::list<gui::IGUIElement*> children_copy;
for(core::list<gui::IGUIElement*>::ConstIterator
i = children.begin(); i != children.end(); i++)
{
children_copy.push_back(*i);
}
for(core::list<gui::IGUIElement*>::Iterator
i = children_copy.begin();
i != children_copy.end(); i++)
{
(*i)->remove();
}
}
void GUIConfirmMenu::regenerateGui(v2u32 screensize)
{
/*
Remove stuff
*/
removeChildren();
/*
Calculate new sizes and positions
*/
core::rect<s32> rect(
screensize.X/2 - 580/2,
screensize.Y/2 - 300/2,
screensize.X/2 + 580/2,
screensize.Y/2 + 300/2
);
DesiredRect = rect;
recalculateAbsolutePosition(false);
v2s32 size = rect.getSize();
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gui::IGUISkin *skin = Environment->getSkin();
gui::IGUIFont *font = skin->getFont();
s32 msg_h = font->getDimension(m_message_text.c_str()).Height;
s32 msg_w = font->getDimension(m_message_text.c_str()).Width;
if(msg_h > 200)
msg_h = 200;
if(msg_w > 540)
msg_w = 540;
/*
Add stuff
*/
{
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core::rect<s32> rect(0, 0, msg_w, msg_h);
rect += v2s32(size.X/2-msg_w/2, size.Y/2-30/2 - msg_h/2);
Environment->addStaticText(m_message_text.c_str(),
rect, false, true, this, -1);
}
changeCtype("");
int bw = 100;
{
core::rect<s32> rect(0, 0, bw, 30);
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rect = rect + v2s32(size.X/2-bw/2-(bw/2+5), size.Y/2-30/2+5 + msg_h/2);
Environment->addButton(rect, this, GUI_ID_YES,
wgettext("Yes"));
}
{
core::rect<s32> rect(0, 0, bw, 30);
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rect = rect + v2s32(size.X/2-bw/2+(bw/2+5), size.Y/2-30/2+5 + msg_h/2);
Environment->addButton(rect, this, GUI_ID_NO,
wgettext("No"));
}
changeCtype("C");
}
void GUIConfirmMenu::drawMenu()
{
gui::IGUISkin* skin = Environment->getSkin();
if (!skin)
return;
video::IVideoDriver* driver = Environment->getVideoDriver();
video::SColor bgcolor(140,0,0,0);
driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
gui::IGUIElement::draw();
}
void GUIConfirmMenu::acceptInput(bool answer)
{
if(m_dest)
m_dest->answer(answer);
}
bool GUIConfirmMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
{
if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
{
acceptInput(false);
quitMenu();
return true;
}
if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
{
acceptInput(true);
quitMenu();
return true;
}
}
if(event.EventType==EET_GUI_EVENT)
{
if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
&& isVisible())
{
if(!canTakeFocus(event.GUIEvent.Element))
{
dstream<<"GUIConfirmMenu: Not allowing focus change."
<<std::endl;
// Returning true disables focus change
return true;
}
}
if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
{
switch(event.GUIEvent.Caller->getID())
{
case GUI_ID_YES:
acceptInput(true);
quitMenu();
// quitMenu deallocates menu
return true;
case GUI_ID_NO:
acceptInput(false);
quitMenu();
// quitMenu deallocates menu
return true;
}
}
}
return Parent ? Parent->OnEvent(event) : false;
}