464 lines
14 KiB
C++
464 lines
14 KiB
C++
|
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
||
|
|
// This file is part of the "Irrlicht Engine".
|
||
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
||
|
|
|
||
|
|
#include "CGUIMessageBox.h"
|
||
|
|
#ifdef _IRR_COMPILE_WITH_GUI_
|
||
|
|
|
||
|
|
#include "IGUISkin.h"
|
||
|
|
#include "IGUIEnvironment.h"
|
||
|
|
#include "IGUIButton.h"
|
||
|
|
#include "IGUIFont.h"
|
||
|
|
#include "ITexture.h"
|
||
|
|
|
||
|
|
namespace irr
|
||
|
|
{
|
||
|
|
namespace gui
|
||
|
|
{
|
||
|
|
|
||
|
|
//! constructor
|
||
|
|
CGUIMessageBox::CGUIMessageBox(IGUIEnvironment* environment, const wchar_t* caption,
|
||
|
|
const wchar_t* text, s32 flags,
|
||
|
|
IGUIElement* parent, s32 id, core::rect<s32> rectangle, video::ITexture* image)
|
||
|
|
: CGUIWindow(environment, parent, id, rectangle),
|
||
|
|
OkButton(0), CancelButton(0), YesButton(0), NoButton(0), StaticText(0),
|
||
|
|
Icon(0), IconTexture(image),
|
||
|
|
Flags(flags), MessageText(text), Pressed(false)
|
||
|
|
{
|
||
|
|
#ifdef _DEBUG
|
||
|
|
setDebugName("CGUIMessageBox");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// set element type
|
||
|
|
Type = EGUIET_MESSAGE_BOX;
|
||
|
|
|
||
|
|
// remove focus
|
||
|
|
Environment->setFocus(0);
|
||
|
|
|
||
|
|
// remove buttons
|
||
|
|
|
||
|
|
getMaximizeButton()->remove();
|
||
|
|
getMinimizeButton()->remove();
|
||
|
|
|
||
|
|
if (caption)
|
||
|
|
setText(caption);
|
||
|
|
|
||
|
|
Environment->setFocus(this);
|
||
|
|
|
||
|
|
if ( IconTexture )
|
||
|
|
IconTexture->grab();
|
||
|
|
|
||
|
|
refreshControls();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//! destructor
|
||
|
|
CGUIMessageBox::~CGUIMessageBox()
|
||
|
|
{
|
||
|
|
if (StaticText)
|
||
|
|
StaticText->drop();
|
||
|
|
|
||
|
|
if (OkButton)
|
||
|
|
OkButton->drop();
|
||
|
|
|
||
|
|
if (CancelButton)
|
||
|
|
CancelButton->drop();
|
||
|
|
|
||
|
|
if (YesButton)
|
||
|
|
YesButton->drop();
|
||
|
|
|
||
|
|
if (NoButton)
|
||
|
|
NoButton->drop();
|
||
|
|
|
||
|
|
if (Icon)
|
||
|
|
Icon->drop();
|
||
|
|
|
||
|
|
if ( IconTexture )
|
||
|
|
IconTexture->drop();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CGUIMessageBox::setButton(IGUIButton*& button, bool isAvailable, const core::rect<s32> & btnRect, const wchar_t * text, IGUIElement*& focusMe)
|
||
|
|
{
|
||
|
|
// add/remove ok button
|
||
|
|
if (isAvailable)
|
||
|
|
{
|
||
|
|
if (!button)
|
||
|
|
{
|
||
|
|
button = Environment->addButton(btnRect, this);
|
||
|
|
button->setSubElement(true);
|
||
|
|
button->grab();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
button->setRelativePosition(btnRect);
|
||
|
|
|
||
|
|
button->setText(text);
|
||
|
|
|
||
|
|
focusMe = button;
|
||
|
|
}
|
||
|
|
else if (button)
|
||
|
|
{
|
||
|
|
button->drop();
|
||
|
|
button->remove();
|
||
|
|
button =0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CGUIMessageBox::refreshControls()
|
||
|
|
{
|
||
|
|
// Layout can be seen as 4 boxes (a layoutmanager would be nice)
|
||
|
|
// One box at top over the whole width for title
|
||
|
|
// Two boxes with same height at the middle beside each other for icon and for text
|
||
|
|
// One box at the bottom for the buttons
|
||
|
|
|
||
|
|
const IGUISkin* skin = Environment->getSkin();
|
||
|
|
|
||
|
|
const s32 buttonHeight = skin->getSize(EGDS_BUTTON_HEIGHT);
|
||
|
|
const s32 buttonWidth = skin->getSize(EGDS_BUTTON_WIDTH);
|
||
|
|
const s32 titleHeight = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH)+2; // titlebar has no own constant
|
||
|
|
const s32 buttonDistance = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH);
|
||
|
|
const s32 borderWidth = skin->getSize(EGDS_MESSAGE_BOX_GAP_SPACE);
|
||
|
|
|
||
|
|
// add the static text for the message
|
||
|
|
core::rect<s32> staticRect;
|
||
|
|
staticRect.UpperLeftCorner.X = borderWidth;
|
||
|
|
staticRect.UpperLeftCorner.Y = titleHeight + borderWidth;
|
||
|
|
staticRect.LowerRightCorner.X = staticRect.UpperLeftCorner.X + skin->getSize(EGDS_MESSAGE_BOX_MAX_TEXT_WIDTH);
|
||
|
|
staticRect.LowerRightCorner.Y = staticRect.UpperLeftCorner.Y + skin->getSize(EGDS_MESSAGE_BOX_MAX_TEXT_HEIGHT);
|
||
|
|
if (!StaticText)
|
||
|
|
{
|
||
|
|
StaticText = Environment->addStaticText(MessageText.c_str(), staticRect, false, false, this);
|
||
|
|
|
||
|
|
StaticText->setWordWrap(true);
|
||
|
|
StaticText->setSubElement(true);
|
||
|
|
StaticText->grab();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
StaticText->setRelativePosition(staticRect);
|
||
|
|
StaticText->setText(MessageText.c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 textHeight = StaticText->getTextHeight();
|
||
|
|
s32 textWidth = StaticText->getTextWidth() + 6; // +6 because the static itself needs that
|
||
|
|
const s32 iconHeight = IconTexture ? IconTexture->getOriginalSize().Height : 0;
|
||
|
|
|
||
|
|
if ( textWidth < skin->getSize(EGDS_MESSAGE_BOX_MIN_TEXT_WIDTH) )
|
||
|
|
textWidth = skin->getSize(EGDS_MESSAGE_BOX_MIN_TEXT_WIDTH) + 6;
|
||
|
|
// no neeed to check for max because it couldn't get larger due to statictextbox.
|
||
|
|
if ( textHeight < skin->getSize(EGDS_MESSAGE_BOX_MIN_TEXT_HEIGHT) )
|
||
|
|
textHeight = skin->getSize(EGDS_MESSAGE_BOX_MIN_TEXT_HEIGHT);
|
||
|
|
if ( textHeight > skin->getSize(EGDS_MESSAGE_BOX_MAX_TEXT_HEIGHT) )
|
||
|
|
textHeight = skin->getSize(EGDS_MESSAGE_BOX_MAX_TEXT_HEIGHT);
|
||
|
|
|
||
|
|
// content is text + icons + borders (but not titlebar)
|
||
|
|
s32 contentHeight = textHeight > iconHeight ? textHeight : iconHeight;
|
||
|
|
contentHeight += borderWidth;
|
||
|
|
s32 contentWidth = 0;
|
||
|
|
|
||
|
|
// add icon
|
||
|
|
if ( IconTexture )
|
||
|
|
{
|
||
|
|
core::position2d<s32> iconPos;
|
||
|
|
iconPos.Y = titleHeight + borderWidth;
|
||
|
|
if ( iconHeight < textHeight )
|
||
|
|
iconPos.Y += (textHeight-iconHeight) / 2;
|
||
|
|
iconPos.X = borderWidth;
|
||
|
|
|
||
|
|
if (!Icon)
|
||
|
|
{
|
||
|
|
Icon = Environment->addImage(IconTexture, iconPos, true, this);
|
||
|
|
Icon->setSubElement(true);
|
||
|
|
Icon->grab();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
core::rect<s32> iconRect( iconPos.X, iconPos.Y, iconPos.X + IconTexture->getOriginalSize().Width, iconPos.Y + IconTexture->getOriginalSize().Height );
|
||
|
|
Icon->setRelativePosition(iconRect);
|
||
|
|
}
|
||
|
|
|
||
|
|
contentWidth += borderWidth + IconTexture->getOriginalSize().Width;
|
||
|
|
}
|
||
|
|
else if ( Icon )
|
||
|
|
{
|
||
|
|
Icon->drop();
|
||
|
|
Icon->remove();
|
||
|
|
Icon = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// position text
|
||
|
|
core::rect<s32> textRect;
|
||
|
|
textRect.UpperLeftCorner.X = contentWidth + borderWidth;
|
||
|
|
textRect.UpperLeftCorner.Y = titleHeight + borderWidth;
|
||
|
|
if ( textHeight < iconHeight )
|
||
|
|
textRect.UpperLeftCorner.Y += (iconHeight-textHeight) / 2;
|
||
|
|
textRect.LowerRightCorner.X = textRect.UpperLeftCorner.X + textWidth;
|
||
|
|
textRect.LowerRightCorner.Y = textRect.UpperLeftCorner.Y + textHeight;
|
||
|
|
contentWidth += 2*borderWidth + textWidth;
|
||
|
|
StaticText->setRelativePosition( textRect );
|
||
|
|
|
||
|
|
// find out button size needs
|
||
|
|
s32 countButtons = 0;
|
||
|
|
if (Flags & EMBF_OK)
|
||
|
|
++countButtons;
|
||
|
|
if (Flags & EMBF_CANCEL)
|
||
|
|
++countButtons;
|
||
|
|
if (Flags & EMBF_YES)
|
||
|
|
++countButtons;
|
||
|
|
if (Flags & EMBF_NO)
|
||
|
|
++countButtons;
|
||
|
|
|
||
|
|
s32 buttonBoxWidth = countButtons * buttonWidth + 2 * borderWidth;
|
||
|
|
if ( countButtons > 1 )
|
||
|
|
buttonBoxWidth += (countButtons-1) * buttonDistance;
|
||
|
|
s32 buttonBoxHeight = buttonHeight + 2 * borderWidth;
|
||
|
|
|
||
|
|
// calc new message box sizes
|
||
|
|
core::rect<s32> tmp = getRelativePosition();
|
||
|
|
s32 msgBoxHeight = titleHeight + contentHeight + buttonBoxHeight;
|
||
|
|
s32 msgBoxWidth = contentWidth > buttonBoxWidth ? contentWidth : buttonBoxWidth;
|
||
|
|
|
||
|
|
// adjust message box position
|
||
|
|
tmp.UpperLeftCorner.Y = (Parent->getAbsolutePosition().getHeight() - msgBoxHeight) / 2;
|
||
|
|
tmp.LowerRightCorner.Y = tmp.UpperLeftCorner.Y + msgBoxHeight;
|
||
|
|
tmp.UpperLeftCorner.X = (Parent->getAbsolutePosition().getWidth() - msgBoxWidth) / 2;
|
||
|
|
tmp.LowerRightCorner.X = tmp.UpperLeftCorner.X + msgBoxWidth;
|
||
|
|
setRelativePosition(tmp);
|
||
|
|
|
||
|
|
// add buttons
|
||
|
|
|
||
|
|
core::rect<s32> btnRect;
|
||
|
|
btnRect.UpperLeftCorner.Y = titleHeight + contentHeight + borderWidth;
|
||
|
|
btnRect.LowerRightCorner.Y = btnRect.UpperLeftCorner.Y + buttonHeight;
|
||
|
|
btnRect.UpperLeftCorner.X = borderWidth;
|
||
|
|
if ( contentWidth > buttonBoxWidth )
|
||
|
|
btnRect.UpperLeftCorner.X += (contentWidth - buttonBoxWidth) / 2; // center buttons
|
||
|
|
btnRect.LowerRightCorner.X = btnRect.UpperLeftCorner.X + buttonWidth;
|
||
|
|
|
||
|
|
IGUIElement* focusMe = 0;
|
||
|
|
setButton(OkButton, (Flags & EMBF_OK) != 0, btnRect, skin->getDefaultText(EGDT_MSG_BOX_OK), focusMe);
|
||
|
|
if ( Flags & EMBF_OK )
|
||
|
|
btnRect += core::position2d<s32>(buttonWidth + buttonDistance, 0);
|
||
|
|
setButton(CancelButton, (Flags & EMBF_CANCEL) != 0, btnRect, skin->getDefaultText(EGDT_MSG_BOX_CANCEL), focusMe);
|
||
|
|
if ( Flags & EMBF_CANCEL )
|
||
|
|
btnRect += core::position2d<s32>(buttonWidth + buttonDistance, 0);
|
||
|
|
setButton(YesButton, (Flags & EMBF_YES) != 0, btnRect, skin->getDefaultText(EGDT_MSG_BOX_YES), focusMe);
|
||
|
|
if ( Flags & EMBF_YES )
|
||
|
|
btnRect += core::position2d<s32>(buttonWidth + buttonDistance, 0);
|
||
|
|
setButton(NoButton, (Flags & EMBF_NO) != 0, btnRect, skin->getDefaultText(EGDT_MSG_BOX_NO), focusMe);
|
||
|
|
|
||
|
|
if (Environment->hasFocus(this) && focusMe)
|
||
|
|
Environment->setFocus(focusMe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//! called if an event happened.
|
||
|
|
bool CGUIMessageBox::OnEvent(const SEvent& event)
|
||
|
|
{
|
||
|
|
if (isEnabled())
|
||
|
|
{
|
||
|
|
SEvent outevent;
|
||
|
|
outevent.EventType = EET_GUI_EVENT;
|
||
|
|
outevent.GUIEvent.Caller = this;
|
||
|
|
outevent.GUIEvent.Element = 0;
|
||
|
|
|
||
|
|
switch(event.EventType)
|
||
|
|
{
|
||
|
|
case EET_KEY_INPUT_EVENT:
|
||
|
|
|
||
|
|
if (event.KeyInput.PressedDown)
|
||
|
|
{
|
||
|
|
switch (event.KeyInput.Key)
|
||
|
|
{
|
||
|
|
case KEY_RETURN:
|
||
|
|
if (OkButton)
|
||
|
|
{
|
||
|
|
OkButton->setPressed(true);
|
||
|
|
Pressed = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KEY_KEY_Y:
|
||
|
|
if (YesButton)
|
||
|
|
{
|
||
|
|
YesButton->setPressed(true);
|
||
|
|
Pressed = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KEY_KEY_N:
|
||
|
|
if (NoButton)
|
||
|
|
{
|
||
|
|
NoButton->setPressed(true);
|
||
|
|
Pressed = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KEY_ESCAPE:
|
||
|
|
if (Pressed)
|
||
|
|
{
|
||
|
|
// cancel press
|
||
|
|
if (OkButton) OkButton->setPressed(false);
|
||
|
|
if (YesButton) YesButton->setPressed(false);
|
||
|
|
if (NoButton) NoButton->setPressed(false);
|
||
|
|
Pressed = false;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (CancelButton)
|
||
|
|
{
|
||
|
|
CancelButton->setPressed(true);
|
||
|
|
Pressed = true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (CloseButton && CloseButton->isVisible())
|
||
|
|
{
|
||
|
|
CloseButton->setPressed(true);
|
||
|
|
Pressed = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default: // no other key is handled here
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (Pressed)
|
||
|
|
{
|
||
|
|
if (OkButton && event.KeyInput.Key == KEY_RETURN)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_OK;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if ((CancelButton || CloseButton) && event.KeyInput.Key == KEY_ESCAPE)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_CANCEL;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (YesButton && event.KeyInput.Key == KEY_KEY_Y)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_YES;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (NoButton && event.KeyInput.Key == KEY_KEY_N)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_NO;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case EET_GUI_EVENT:
|
||
|
|
if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED)
|
||
|
|
{
|
||
|
|
if (event.GUIEvent.Caller == OkButton)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_OK;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (event.GUIEvent.Caller == CancelButton ||
|
||
|
|
event.GUIEvent.Caller == CloseButton)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_CANCEL;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (event.GUIEvent.Caller == YesButton)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_YES;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
if (event.GUIEvent.Caller == NoButton)
|
||
|
|
{
|
||
|
|
setVisible(false); // this is a workaround to make sure it's no longer the hovered element, crashes on pressing 1-2 times ESC
|
||
|
|
Environment->setFocus(0);
|
||
|
|
outevent.GUIEvent.EventType = EGET_MESSAGEBOX_NO;
|
||
|
|
Parent->OnEvent(outevent);
|
||
|
|
remove();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return CGUIWindow::OnEvent(event);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//! Writes attributes of the element.
|
||
|
|
void CGUIMessageBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
|
||
|
|
{
|
||
|
|
CGUIWindow::serializeAttributes(out,options);
|
||
|
|
|
||
|
|
out->addBool ("OkayButton", (Flags & EMBF_OK) != 0 );
|
||
|
|
out->addBool ("CancelButton", (Flags & EMBF_CANCEL) != 0 );
|
||
|
|
out->addBool ("YesButton", (Flags & EMBF_YES) != 0 );
|
||
|
|
out->addBool ("NoButton", (Flags & EMBF_NO) != 0 );
|
||
|
|
out->addTexture ("Texture", IconTexture);
|
||
|
|
|
||
|
|
out->addString ("MessageText", MessageText.c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//! Reads attributes of the element
|
||
|
|
void CGUIMessageBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
|
||
|
|
{
|
||
|
|
Flags = 0;
|
||
|
|
|
||
|
|
Flags = in->getAttributeAsBool("OkayButton") ? EMBF_OK : 0;
|
||
|
|
Flags |= in->getAttributeAsBool("CancelButton")? EMBF_CANCEL : 0;
|
||
|
|
Flags |= in->getAttributeAsBool("YesButton") ? EMBF_YES : 0;
|
||
|
|
Flags |= in->getAttributeAsBool("NoButton") ? EMBF_NO : 0;
|
||
|
|
|
||
|
|
if ( IconTexture )
|
||
|
|
{
|
||
|
|
IconTexture->drop();
|
||
|
|
IconTexture = NULL;
|
||
|
|
}
|
||
|
|
IconTexture = in->getAttributeAsTexture("Texture");
|
||
|
|
if ( IconTexture )
|
||
|
|
IconTexture->grab();
|
||
|
|
|
||
|
|
MessageText = in->getAttributeAsStringW("MessageText").c_str();
|
||
|
|
|
||
|
|
CGUIWindow::deserializeAttributes(in,options);
|
||
|
|
|
||
|
|
refreshControls();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace gui
|
||
|
|
} // end namespace irr
|
||
|
|
|
||
|
|
#endif // _IRR_COMPILE_WITH_GUI_
|
||
|
|
|