irrlicht/source/Irrlicht/CGUIWindow.cpp
cutealien 8310a3fbad Avoid warning and make local variable lower-case.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
2019-12-12 16:32:41 +00:00

405 lines
11 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 "CGUIWindow.h"
#ifdef _IRR_COMPILE_WITH_GUI_
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
#include "IVideoDriver.h"
#include "IGUIButton.h"
#include "IGUIFont.h"
#include "IGUIFontBitmap.h"
namespace irr
{
namespace gui
{
//! constructor
CGUIWindow::CGUIWindow(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
: IGUIWindow(environment, parent, id, rectangle), Dragging(false), IsDraggable(true), DrawBackground(true), DrawTitlebar(true), IsActive(false)
{
#ifdef _DEBUG
setDebugName("CGUIWindow");
#endif
IGUISkin* skin = 0;
if (environment)
skin = environment->getSkin();
CurrentIconColor = video::SColor(255,255,255,255);
s32 buttonw = 15;
if (skin)
{
buttonw = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH);
}
s32 posx = RelativeRect.getWidth() - buttonw - 4;
CloseButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1,
L"", skin ? skin->getDefaultText(EGDT_WINDOW_CLOSE) : L"Close" );
CloseButton->setSubElement(true);
CloseButton->setTabStop(false);
CloseButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
posx -= buttonw + 2;
RestoreButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1,
L"", skin ? skin->getDefaultText(EGDT_WINDOW_RESTORE) : L"Restore" );
RestoreButton->setVisible(false);
RestoreButton->setSubElement(true);
RestoreButton->setTabStop(false);
RestoreButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
posx -= buttonw + 2;
MinButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1,
L"", skin ? skin->getDefaultText(EGDT_WINDOW_MINIMIZE) : L"Minimize" );
MinButton->setVisible(false);
MinButton->setSubElement(true);
MinButton->setTabStop(false);
MinButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
MinButton->grab();
RestoreButton->grab();
CloseButton->grab();
// this element is a tab group
setTabGroup(true);
setTabStop(true);
setTabOrder(-1);
refreshSprites();
updateClientRect();
}
//! destructor
CGUIWindow::~CGUIWindow()
{
if (MinButton)
MinButton->drop();
if (RestoreButton)
RestoreButton->drop();
if (CloseButton)
CloseButton->drop();
}
void CGUIWindow::refreshSprites()
{
if (!Environment)
return;
IGUISkin* skin = Environment->getSkin();
if ( !skin )
return;
IGUISpriteBank* sprites = skin->getSpriteBank();
if ( !sprites )
return;
CurrentIconColor = skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL);
if (sprites)
{
CloseButton->setSpriteBank(sprites);
CloseButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_CLOSE), CurrentIconColor);
CloseButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_CLOSE), CurrentIconColor);
RestoreButton->setSpriteBank(sprites);
RestoreButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_RESTORE), CurrentIconColor);
RestoreButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_RESTORE), CurrentIconColor);
MinButton->setSpriteBank(sprites);
MinButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_MINIMIZE), CurrentIconColor);
MinButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_MINIMIZE), CurrentIconColor);
}
}
//! called if an event happened.
bool CGUIWindow::OnEvent(const SEvent& event)
{
if (isEnabled())
{
switch(event.EventType)
{
case EET_GUI_EVENT:
if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
{
Dragging = false;
IsActive = false;
}
else
if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUSED)
{
if (Parent && ((event.GUIEvent.Caller == this) || isMyChild(event.GUIEvent.Caller)))
{
Parent->bringToFront(this);
IsActive = true;
}
else
{
IsActive = false;
}
}
else
if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED)
{
if (event.GUIEvent.Caller == CloseButton)
{
if (Parent)
{
// send close event to parent
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = 0;
e.GUIEvent.EventType = EGET_ELEMENT_CLOSED;
// if the event was not absorbed
if (!Parent->OnEvent(e))
remove();
return true;
}
else
{
remove();
return true;
}
}
}
break;
case EET_MOUSE_INPUT_EVENT:
switch(event.MouseInput.Event)
{
case EMIE_LMOUSE_PRESSED_DOWN:
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
Dragging = IsDraggable;
if (Parent)
Parent->bringToFront(this);
return true;
case EMIE_LMOUSE_LEFT_UP:
Dragging = false;
return true;
case EMIE_MOUSE_MOVED:
if (!event.MouseInput.isLeftPressed())
Dragging = false;
if (Dragging)
{
// gui window should not be dragged outside its parent
if (Parent &&
(event.MouseInput.X < Parent->getAbsolutePosition().UpperLeftCorner.X +1 ||
event.MouseInput.Y < Parent->getAbsolutePosition().UpperLeftCorner.Y +1 ||
event.MouseInput.X > Parent->getAbsolutePosition().LowerRightCorner.X -1 ||
event.MouseInput.Y > Parent->getAbsolutePosition().LowerRightCorner.Y -1))
return true;
move(core::position2d<s32>(event.MouseInput.X - DragStart.X, event.MouseInput.Y - DragStart.Y));
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
return true;
}
break;
default:
break;
}
default:
break;
}
}
return IGUIElement::OnEvent(event);
}
//! Updates the absolute position.
void CGUIWindow::updateAbsolutePosition()
{
IGUIElement::updateAbsolutePosition();
}
//! draws the element and its children
void CGUIWindow::draw()
{
if (IsVisible)
{
IGUISkin* skin = Environment->getSkin();
// update each time because the skin is allowed to change this always.
updateClientRect();
if ( CurrentIconColor != skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL) )
refreshSprites();
core::rect<s32> rect = AbsoluteRect;
// draw body fast
if (DrawBackground)
{
rect = skin->draw3DWindowBackground(this, DrawTitlebar,
skin->getColor(IsActive ? EGDC_ACTIVE_BORDER : EGDC_INACTIVE_BORDER),
AbsoluteRect, &AbsoluteClippingRect);
if (DrawTitlebar && Text.size())
{
rect.UpperLeftCorner.X += skin->getSize(EGDS_TITLEBARTEXT_DISTANCE_X);
rect.UpperLeftCorner.Y += skin->getSize(EGDS_TITLEBARTEXT_DISTANCE_Y);
rect.LowerRightCorner.X -= skin->getSize(EGDS_WINDOW_BUTTON_WIDTH) + 5;
IGUIFont* font = skin->getFont(EGDF_WINDOW);
if (font)
{
font->draw(Text.c_str(), rect,
skin->getColor(IsActive ? EGDC_ACTIVE_CAPTION:EGDC_INACTIVE_CAPTION),
false, true, &AbsoluteClippingRect);
}
}
}
}
IGUIElement::draw();
}
//! Returns pointer to the close button
IGUIButton* CGUIWindow::getCloseButton() const
{
return CloseButton;
}
//! Returns pointer to the minimize button
IGUIButton* CGUIWindow::getMinimizeButton() const
{
return MinButton;
}
//! Returns pointer to the maximize button
IGUIButton* CGUIWindow::getMaximizeButton() const
{
return RestoreButton;
}
//! Returns true if the window is draggable, false if not
bool CGUIWindow::isDraggable() const
{
return IsDraggable;
}
//! Sets whether the window is draggable
void CGUIWindow::setDraggable(bool draggable)
{
IsDraggable = draggable;
if (Dragging && !IsDraggable)
Dragging = false;
}
//! Set if the window background will be drawn
void CGUIWindow::setDrawBackground(bool draw)
{
DrawBackground = draw;
}
//! Get if the window background will be drawn
bool CGUIWindow::getDrawBackground() const
{
return DrawBackground;
}
//! Set if the window titlebar will be drawn
void CGUIWindow::setDrawTitlebar(bool draw)
{
DrawTitlebar = draw;
}
//! Get if the window titlebar will be drawn
bool CGUIWindow::getDrawTitlebar() const
{
return DrawTitlebar;
}
void CGUIWindow::updateClientRect()
{
if (! DrawBackground )
{
ClientRect = core::rect<s32>(0,0, AbsoluteRect.getWidth(), AbsoluteRect.getHeight());
return;
}
IGUISkin* skin = Environment->getSkin();
skin->draw3DWindowBackground(this, DrawTitlebar,
skin->getColor(IsActive ? EGDC_ACTIVE_BORDER : EGDC_INACTIVE_BORDER),
AbsoluteRect, &AbsoluteClippingRect, &ClientRect);
ClientRect -= AbsoluteRect.UpperLeftCorner;
}
//! Returns the rectangle of the drawable area (without border, without titlebar and without scrollbars)
core::rect<s32> CGUIWindow::getClientRect() const
{
return ClientRect;
}
//! Writes attributes of the element.
void CGUIWindow::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
{
IGUIWindow::serializeAttributes(out,options);
out->addBool("IsDraggable", IsDraggable);
out->addBool("DrawBackground", DrawBackground);
out->addBool("DrawTitlebar", DrawTitlebar);
// Currently we can't just serialize attributes of sub-elements.
// To do this we either
// a) allow further serialization after attribute serialiation (second function, callback or event)
// b) add an IGUIElement attribute
// c) extend the attribute system to allow attributes to have sub-attributes
// We just serialize the most important info for now until we can do one of the above solutions.
out->addBool("IsCloseVisible", CloseButton->isVisible());
out->addBool("IsMinVisible", MinButton->isVisible());
out->addBool("IsRestoreVisible", RestoreButton->isVisible());
}
//! Reads attributes of the element
void CGUIWindow::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
{
IGUIWindow::deserializeAttributes(in,options);
Dragging = false;
IsActive = false;
IsDraggable = in->getAttributeAsBool("IsDraggable");
DrawBackground = in->getAttributeAsBool("DrawBackground");
DrawTitlebar = in->getAttributeAsBool("DrawTitlebar");
CloseButton->setVisible(in->getAttributeAsBool("IsCloseVisible"));
MinButton->setVisible(in->getAttributeAsBool("IsMinVisible"));
RestoreButton->setVisible(in->getAttributeAsBool("IsRestoreVisible"));
updateClientRect();
}
} // end namespace gui
} // end namespace irr
#endif // _IRR_COMPILE_WITH_GUI_