minetest/src/guiTextInputMenu.cpp
2011-07-22 07:25:40 +02:00

198 lines
4.0 KiB
C++

/*
Minetest-c55
Copyright (C) 2010 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 "guiTextInputMenu.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include "gettext.h"
GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
gui::IGUIElement* parent, s32 id,
IMenuManager *menumgr,
TextDest *dest,
std::wstring initial_text
):
GUIModalMenu(env, parent, id, menumgr),
m_dest(dest),
m_initial_text(initial_text)
{
}
GUITextInputMenu::~GUITextInputMenu()
{
removeChildren();
if(m_dest)
delete m_dest;
}
void GUITextInputMenu::removeChildren()
{
{
gui::IGUIElement *e = getElementFromId(256);
if(e != NULL)
e->remove();
}
{
gui::IGUIElement *e = getElementFromId(257);
if(e != NULL)
e->remove();
}
}
void GUITextInputMenu::regenerateGui(v2u32 screensize)
{
std::wstring text;
{
gui::IGUIElement *e = getElementFromId(256);
if(e != NULL)
{
text = e->getText();
}
else
{
text = m_initial_text;
m_initial_text = L"";
}
}
/*
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();
/*
Add stuff
*/
{
core::rect<s32> rect(0, 0, 300, 30);
rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
gui::IGUIElement *e =
Environment->addEditBox(text.c_str(), rect, true, this, 256);
Environment->setFocus(e);
}
{
core::rect<s32> rect(0, 0, 140, 30);
rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
Environment->addButton(rect, this, 257,
chartowchar_t(gettext("Proceed")));
}
}
void GUITextInputMenu::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 GUITextInputMenu::acceptInput()
{
if(m_dest)
{
gui::IGUIElement *e = getElementFromId(256);
if(e != NULL)
{
m_dest->gotText(e->getText());
}
delete m_dest;
m_dest = NULL;
}
}
bool GUITextInputMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
{
if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
{
quitMenu();
return true;
}
if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
{
acceptInput();
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<<"GUITextInputMenu: 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 257:
acceptInput();
quitMenu();
// quitMenu deallocates menu
return true;
}
}
if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
{
switch(event.GUIEvent.Caller->getID())
{
case 256:
acceptInput();
quitMenu();
// quitMenu deallocates menu
return true;
}
}
}
return Parent ? Parent->OnEvent(event) : false;
}