phoenix-firestorm/indra/llui/llviewborder.cpp

338 lines
7.5 KiB
C++

/**
* @file llviewborder.cpp
* @brief LLViewBorder base class
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
// A customizable decorative border. Does not interact with mouse events.
#include "linden_common.h"
#include "llviewborder.h"
#include "llgl.h"
#include "llui.h"
#include "llimagegl.h"
//#include "llviewerimagelist.h"
#include "llcontrol.h"
#include "llglheaders.h"
#include "v2math.h"
#include "llfocusmgr.h"
LLViewBorder::LLViewBorder( const LLString& name, const LLRect& rect, EBevel bevel, EStyle style, S32 width )
:
LLView( name, rect, FALSE ),
mBevel( bevel ),
mStyle( style ),
mHighlightLight( LLUI::sColorsGroup->getColor( "DefaultHighlightLight" ) ),
mHighlightDark( LLUI::sColorsGroup->getColor( "DefaultHighlightDark" ) ),
mShadowLight( LLUI::sColorsGroup->getColor( "DefaultShadowLight" ) ),
mShadowDark( LLUI::sColorsGroup->getColor( "DefaultShadowDark" ) ),
// mKeyboardFocusColor(LLUI::sColorsGroup->getColor( "FocusColor" ) ),
mBorderWidth( width ),
mTexture( NULL ),
mHasKeyboardFocus( FALSE )
{
setFollowsAll();
}
// virtual
BOOL LLViewBorder::isCtrl()
{
return FALSE;
}
void LLViewBorder::setColors( const LLColor4& shadow_dark, const LLColor4& highlight_light )
{
mShadowDark = shadow_dark;
mHighlightLight = highlight_light;
}
void LLViewBorder::setColorsExtended( const LLColor4& shadow_light, const LLColor4& shadow_dark,
const LLColor4& highlight_light, const LLColor4& highlight_dark )
{
mShadowDark = shadow_dark;
mShadowLight = shadow_light;
mHighlightLight = highlight_light;
mHighlightDark = highlight_dark;
}
void LLViewBorder::setTexture( const LLUUID &image_id )
{
mTexture = LLUI::sImageProvider->getUIImageByID(image_id);
}
void LLViewBorder::draw()
{
if( getVisible() )
{
if( STYLE_LINE == mStyle )
{
if( 0 == mBorderWidth )
{
// no visible border
}
else
if( 1 == mBorderWidth )
{
drawOnePixelLines();
}
else
if( 2 == mBorderWidth )
{
drawTwoPixelLines();
}
else
{
llassert( FALSE ); // not implemented
}
}
else
if( STYLE_TEXTURE == mStyle )
{
if( mTexture )
{
drawTextures();
}
}
// draw the children
LLView::draw();
}
}
void LLViewBorder::drawOnePixelLines()
{
LLGLSNoTexture uiNoTexture;
LLColor4 top_color = mHighlightLight;
LLColor4 bottom_color = mHighlightLight;
switch( mBevel )
{
case BEVEL_OUT:
top_color = mHighlightLight;
bottom_color = mShadowDark;
break;
case BEVEL_IN:
top_color = mShadowDark;
bottom_color = mHighlightLight;
break;
case BEVEL_NONE:
// use defaults
break;
default:
llassert(0);
}
if( mHasKeyboardFocus )
{
F32 lerp_amt = gFocusMgr.getFocusFlashAmt();
top_color = gFocusMgr.getFocusColor();
bottom_color = top_color;
LLUI::setLineWidth(lerp(1.f, 3.f, lerp_amt));
}
S32 left = 0;
S32 top = mRect.getHeight();
S32 right = mRect.getWidth();
S32 bottom = 0;
glColor4fv( top_color.mV );
gl_line_2d(left, bottom, left, top);
gl_line_2d(left, top, right, top);
glColor4fv( bottom_color.mV );
gl_line_2d(right, top, right, bottom);
gl_line_2d(left, bottom, right, bottom);
LLUI::setLineWidth(1.f);
}
void LLViewBorder::drawTwoPixelLines()
{
LLGLSNoTexture no_texture;
LLColor4 focus_color = gFocusMgr.getFocusColor();
F32* top_in_color = mShadowDark.mV;
F32* top_out_color = mShadowDark.mV;
F32* bottom_in_color = mShadowDark.mV;
F32* bottom_out_color = mShadowDark.mV;
switch( mBevel )
{
case BEVEL_OUT:
top_in_color = mHighlightLight.mV;
top_out_color = mHighlightDark.mV;
bottom_in_color = mShadowLight.mV;
bottom_out_color = mShadowDark.mV;
break;
case BEVEL_IN:
top_in_color = mShadowDark.mV;
top_out_color = mShadowLight.mV;
bottom_in_color = mHighlightDark.mV;
bottom_out_color = mHighlightLight.mV;
break;
case BEVEL_BRIGHT:
top_in_color = mHighlightLight.mV;
top_out_color = mHighlightLight.mV;
bottom_in_color = mHighlightLight.mV;
bottom_out_color = mHighlightLight.mV;
break;
case BEVEL_NONE:
// use defaults
break;
default:
llassert(0);
}
if( mHasKeyboardFocus )
{
top_out_color = focus_color.mV;
bottom_out_color = focus_color.mV;
}
S32 left = 0;
S32 top = mRect.getHeight();
S32 right = mRect.getWidth();
S32 bottom = 0;
// draw borders
glColor3fv( top_out_color );
gl_line_2d(left, bottom, left, top-1);
gl_line_2d(left, top-1, right, top-1);
glColor3fv( top_in_color );
gl_line_2d(left+1, bottom+1, left+1, top-2);
gl_line_2d(left+1, top-2, right-1, top-2);
glColor3fv( bottom_out_color );
gl_line_2d(right-1, top-1, right-1, bottom);
gl_line_2d(left, bottom, right, bottom);
glColor3fv( bottom_in_color );
gl_line_2d(right-2, top-2, right-2, bottom+1);
gl_line_2d(left+1, bottom+1, right-1, bottom+1);
}
void LLViewBorder::drawTextures()
{
LLGLSUIDefault gls_ui;
llassert( FALSE ); // TODO: finish implementing
glColor4fv(UI_VERTEX_COLOR.mV);
mTexture->bind();
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
drawTextureTrapezoid( 0.f, mBorderWidth, mRect.getWidth(), 0, 0 );
drawTextureTrapezoid( 90.f, mBorderWidth, mRect.getHeight(), (F32)mRect.getWidth(),0 );
drawTextureTrapezoid( 180.f, mBorderWidth, mRect.getWidth(), (F32)mRect.getWidth(),(F32)mRect.getHeight() );
drawTextureTrapezoid( 270.f, mBorderWidth, mRect.getHeight(), 0, (F32)mRect.getHeight() );
}
void LLViewBorder::drawTextureTrapezoid( F32 degrees, S32 width, S32 length, F32 start_x, F32 start_y )
{
glPushMatrix();
{
glTranslatef(start_x, start_y, 0.f);
glRotatef( degrees, 0, 0, 1 );
glBegin(GL_QUADS);
{
// width, width /---------\ length-width, width //
// / \ //
// / \ //
// /---------------\ //
// 0,0 length, 0 //
glTexCoord2f( 0, 0 );
glVertex2i( 0, 0 );
glTexCoord2f( (GLfloat)length, 0 );
glVertex2i( length, 0 );
glTexCoord2f( (GLfloat)(length - width), (GLfloat)width );
glVertex2i( length - width, width );
glTexCoord2f( (GLfloat)width, (GLfloat)width );
glVertex2i( width, width );
}
glEnd();
}
glPopMatrix();
}
bool LLViewBorder::getBevelFromAttribute(LLXMLNodePtr node, LLViewBorder::EBevel& bevel_style)
{
if (node->hasAttribute("bevel_style"))
{
LLString bevel_string;
node->getAttributeString("bevel_style", bevel_string);
LLString::toLower(bevel_string);
if (bevel_string == "none")
{
bevel_style = LLViewBorder::BEVEL_NONE;
}
else if (bevel_string == "in")
{
bevel_style = LLViewBorder::BEVEL_IN;
}
else if (bevel_string == "out")
{
bevel_style = LLViewBorder::BEVEL_OUT;
}
else if (bevel_string == "bright")
{
bevel_style = LLViewBorder::BEVEL_BRIGHT;
}
return true;
}
return false;
}
void LLViewBorder::setValue(const LLSD& val)
{
setRect(LLRect(val));
}
EWidgetType LLViewBorder::getWidgetType() const
{
return WIDGET_TYPE_VIEW_BORDER;
}
LLString LLViewBorder::getWidgetTag() const
{
return LL_VIEW_BORDER_TAG;
}
// static
LLView* LLViewBorder::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory)
{
LLString name("view_border");
node->getAttributeString("name", name);
LLViewBorder::EBevel bevel_style = LLViewBorder::BEVEL_IN;
getBevelFromAttribute(node, bevel_style);
S32 border_thickness = 1;
node->getAttributeS32("border_thickness", border_thickness);
LLViewBorder* border = new LLViewBorder(name,
LLRect(),
bevel_style,
LLViewBorder::STYLE_LINE,
border_thickness);
border->initFromXML(node, parent);
return border;
}