irrlicht/tools/GUIEditor/CGUITextureCacheBrowser.cpp

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// Copyright (C) 2002-2012 Nikolaus Gebhardt / Gaz Davidson
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CGUITextureCacheBrowser.h"
#include "IGUIEnvironment.h"
#include "IGUIButton.h"
#include "IGUISkin.h"
#include "IGUIFont.h"
#include "IVideoDriver.h"
namespace irr
{
namespace gui
{
CGUITextureCacheBrowser::CGUITextureCacheBrowser(IGUIEnvironment* environment, s32 id, IGUIElement *parent)
: IGUIWindow(environment, parent, id, core::rect<s32>(0,0,300,200)),
CloseButton(0), Panel(0), SelectedTexture(-1), Dragging(false), IsDraggable(true)
{
#ifdef _DEBUG
setDebugName("CGUITextureCacheBrowser");
#endif
IGUISkin* skin = 0;
IGUISpriteBank* sprites = 0;
video::SColor color(255,255,255,255);
if (environment)
skin = environment->getSkin();
s32 buttonw = 15;
if (skin)
{
buttonw = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH);
sprites = skin->getSpriteBank();
color = skin->getColor(EGDC_WINDOW_SYMBOL);
}
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->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
if (sprites)
{
CloseButton->setSpriteBank(sprites);
CloseButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_CLOSE), color);
CloseButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_CLOSE), color);
}
CloseButton->grab();
// window title
Text = L"Texture Browser";
// panel element
Panel = new CGUIPanel(environment, this);
Panel->setRelativePosition( core::rect<s32>(1, buttonw + 5, 151, RelativeRect.getHeight() - 1));
Panel->setAlignment(EGUIA_UPPERLEFT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
Panel->setBorder(true);
Panel->setSubElement(true);
// some buttons
// add images from texture cache
updateImageList();
}
CGUITextureCacheBrowser::~CGUITextureCacheBrowser()
{
if (CloseButton)
CloseButton->drop();
if (Panel)
Panel->drop();
// drop images
u32 i;
for (i=0; i<Images.size(); ++i)
{
Images[i]->drop();
Images[i]->remove();
}
Images.clear();
}
void CGUITextureCacheBrowser::updateImageList()
{
if (!Panel)
return;
video::IVideoDriver* Driver = Environment->getVideoDriver();
// clear images
u32 i;
for (i=0; i<Images.size(); ++i)
{
Images[i]->drop();
Images[i]->remove();
}
Images.clear();
u32 count = (u32)Driver->getTextureCount();
s32 h = Panel->getClientArea().getWidth()-10;
s32 hw = h/2;
core::rect<s32> pos(Panel->getClientArea().getCenter().X - Panel->getAbsolutePosition().UpperLeftCorner.X - hw, 5,
Panel->getClientArea().getCenter().X - Panel->getAbsolutePosition().UpperLeftCorner.X + hw, h+5);
core::position2di moveDist(0, h+5);
for (u32 i=0; i<count; ++i)
{
core::stringw details;
video::ITexture* tex = Driver->getTextureByIndex(i);
details = L"File name: ";
details += tex->getName();
details += L"\nFormat: ";
video::ECOLOR_FORMAT cf = tex->getColorFormat();
bool alpha = false;
switch (cf)
{
case video::ECF_A1R5G5B5:
details += L"A1R5G5B5 (16-bit with 1-bit alpha channel)\n";
alpha = true;
break;
case video::ECF_R5G6B5:
details += L"R5G6B5 (16-bit, no alpha channel)\n";
break;
case video::ECF_R8G8B8:
details += L"R8G8B8 (16-bit, no alpha channel)\n";
break;
case video::ECF_A8R8G8B8:
details += L"R8G8B8 (32-bit with 8-bit alpha channel)\n";
alpha = true;
break;
default:
details += L"Unknown\n";
}
core::dimension2du osize = tex->getOriginalSize();
core::dimension2du size = tex->getOriginalSize();
details += "Size: ";
details += size.Width;
details += "x";
details += size.Height;
if (osize != size)
{
details += "\nOriginal Size: ";
details += osize.Width;
details += "x";
details += osize.Height;
}
details += L"\nMip-maps: ";
if (tex->hasMipMaps())
details += L"Yes\n";
else
details += L"No\n";
IGUIImage* img = Environment->addImage(tex, core::position2di(1,1), alpha, Panel, i);
img->grab();
Images.push_back(img);
img->setRelativePosition(pos);
img->setToolTipText(details.c_str());
img->setScaleImage(true);
img->setColor( SelectedTexture == (s32)i ? video::SColor(255,255,255,255) : video::SColor(128,128,128,128) );
pos = pos + moveDist;
}
}
void CGUITextureCacheBrowser::updateAbsolutePosition()
{
IGUIWindow::updateAbsolutePosition();
updateImageList();
}
//! called if an event happened.
bool CGUITextureCacheBrowser::OnEvent(const SEvent &event)
{
switch(event.EventType)
{
case EET_GUI_EVENT:
if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
{
if (event.GUIEvent.Caller == (IGUIElement*)this)
Dragging = false;
return true;
}
else
if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED)
{
if (event.GUIEvent.Caller == CloseButton)
{
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;
if (getElementFromPoint(DragStart) == this)
{
if (!Environment->hasFocus(this))
{
Dragging = IsDraggable;
//Environment->setFocus(this);
if (Parent)
Parent->bringToFront(this);
}
return true;
}
else
{
if (Panel->getAbsolutePosition().isPointInside(DragStart))
{
// select an image
IGUIElement* el = Panel->getElementFromPoint(DragStart);
if (el && el != Panel)
{
if (el->getType() == EGUIET_IMAGE)
{
setSelected(el->getID());
}
}
else
{
setSelected();
}
}
}
break;
case EMIE_LMOUSE_LEFT_UP:
Dragging = false;
//Environment->removeFocus(this);
return true;
case EMIE_MOUSE_MOVED:
if (Dragging)
{
// gui window should not be dragged outside its parent
if (Parent)
if (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 Parent ? Parent->OnEvent(event) : false;
}
void CGUITextureCacheBrowser::setSelected(s32 index)
{
SelectedTexture = index;
updateImageList();
printf("Texture %d selected\n", index);
}
void CGUITextureCacheBrowser::draw()
{
if (!IsVisible)
return;
IGUISkin* skin = Environment->getSkin();
core::rect<s32> rect = AbsoluteRect;
core::rect<s32> *cl = &AbsoluteClippingRect;
// draw body fast
rect = skin->draw3DWindowBackground(this, true, skin->getColor(EGDC_ACTIVE_BORDER),
AbsoluteRect, &AbsoluteClippingRect);
// draw window text
if (Text.size())
{
rect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X);
rect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y);
rect.LowerRightCorner.X -= skin->getSize(EGDS_WINDOW_BUTTON_WIDTH) + 5;
IGUIFont* font = skin->getFont();
if (font)
font->draw(Text.c_str(), rect, skin->getColor(EGDC_ACTIVE_CAPTION), false, true, cl);
}
IGUIElement::draw();
}
bool CGUITextureCacheBrowser::isDraggable() const
{
return IsDraggable;
}
void CGUITextureCacheBrowser::setDraggable(bool draggable)
{
IsDraggable = draggable;
if (Dragging && !IsDraggable)
Dragging = false;
}
//! Returns the rectangle of the drawable area (without border, without titlebar and without scrollbars)
core::rect<s32> CGUITextureCacheBrowser::getClientRect() const
{
return core::recti();
}
} // namespace gui
} // namespace irr