Automated merge with http://hg.secondlife.com/viewer-development

1 files changed, 274 insertions, 0 deletions

diff --git a/indra/llui/llbadge.cpp b/indra/llui/llbadge.cpp
new file mode 100644
index 0000000000..c28a947a7f
--- /dev/null
+++ b/indra/llui/llbadge.cpp
@@ -0,0 +1,274 @@
+/** 
+ * @file llbadge.cpp
+ * @brief Implementation for badges
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#define LLBADGE_CPP
+#include "llbadge.h"
+
+#include "lluictrlfactory.h"
+
+
+static LLDefaultChildRegistry::Register<LLBadge> r("badge");
+
+// Compiler optimization, generate extern template
+template class LLBadge* LLView::getChild<class LLBadge>(const std::string& name, BOOL recurse) const;
+
+
+LLBadge::Params::Params()
+	: image("image")
+	, border_image("border_image")
+	, border_color("border_color")
+	, image_color("image_color")
+	, label("label")
+	, label_color("label_color")
+	, location("location", LLRelPos::TOP_LEFT)
+	, location_percent_hcenter("location_percent_hcenter")
+	, location_percent_vcenter("location_percent_vcenter")
+	, padding_horiz("padding_horiz")
+	, padding_vert("padding_vert")
+{
+	// We set a name here so the name isn't necessary in any xml files that use badges
+	name = "badge";
+}
+
+bool LLBadge::Params::equals(const Params& a) const
+{
+	bool comp = true;
+	
+	// skip owner in comparison on purpose
+	
+	comp &= (border_image() == a.border_image());
+	comp &= (border_color() == a.border_color());
+	comp &= (image() == a.image());
+	comp &= (image_color() == a.image_color());
+	comp &= (label() == a.label());
+	comp &= (label_color() == a.label_color());
+	comp &= (location() == a.location());
+	comp &= (location_percent_hcenter() == a.location_percent_hcenter());
+	comp &= (location_percent_vcenter() == a.location_percent_vcenter());
+	comp &= (padding_horiz() == a.padding_horiz());
+	comp &= (padding_vert() == a.padding_vert());
+	
+	return comp;
+}
+
+LLBadge::LLBadge(const LLBadge::Params& p)
+	: LLUICtrl(p)
+	, mOwner(p.owner)
+	, mBorderImage(p.border_image)
+	, mBorderColor(p.border_color)
+	, mGLFont(p.font)
+	, mImage(p.image)
+	, mImageColor(p.image_color)
+	, mLabel(p.label)
+	, mLabelColor(p.label_color)
+	, mLocation(p.location)
+	, mLocationPercentHCenter(0.5f)
+	, mLocationPercentVCenter(0.5f)
+	, mPaddingHoriz(p.padding_horiz)
+	, mPaddingVert(p.padding_vert)
+{
+	if (mImage.isNull())
+	{
+		llwarns << "Badge: " << getName() << " with no image!" << llendl;
+	}
+
+	//
+	// The following logic is to set the mLocationPercentHCenter and mLocationPercentVCenter
+	// based on the Location enum and our horizontal and vertical location percentages.  The
+	// draw code then uses this on the owner rectangle to compute the screen location for
+	// the badge.
+	//
+
+	if (!LLRelPos::IsCenter(mLocation))
+	{
+		F32 h_center = p.location_percent_hcenter * 0.01f;
+		F32 v_center = p.location_percent_vcenter * 0.01f;
+
+		if (LLRelPos::IsRight(mLocation))
+		{
+			mLocationPercentHCenter = 0.5f * (1.0f + h_center);
+		}
+		else if (LLRelPos::IsLeft(mLocation))
+		{
+			mLocationPercentHCenter = 0.5f * (1.0f - h_center);
+		}
+			
+		if (LLRelPos::IsTop(mLocation))
+		{
+			mLocationPercentVCenter = 0.5f * (1.0f + v_center);
+		}
+		else if (LLRelPos::IsBottom(mLocation))
+		{
+			mLocationPercentVCenter = 0.5f * (1.0f - v_center);
+		}
+	}
+}
+
+LLBadge::~LLBadge()
+{
+}
+
+void LLBadge::setLabel(const LLStringExplicit& label)
+{
+	mLabel = label;
+}
+
+//
+// This is a fallback function to render a rectangle for badges without a valid image
+//
+void renderBadgeBackground(F32 centerX, F32 centerY, F32 width, F32 height, const LLColor4U &color)
+{
+	gGL.pushUIMatrix();
+	gGL.loadUIIdentity();
+	gGL.setSceneBlendType(LLRender::BT_REPLACE);
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	
+	gGL.color4ubv(color.mV);
+	gGL.texCoord2i(0, 0);
+	
+	F32 x = LLFontGL::sCurOrigin.mX + centerX - width * 0.5f;
+	F32 y = LLFontGL::sCurOrigin.mY + centerY - height * 0.5f;
+	
+	LLRectf screen_rect(llround(x),
+						llround(y),
+						llround(x) + width,
+						llround(y) + height);
+	
+	LLVector3 vertices[4];
+	vertices[0] = LLVector3(screen_rect.mRight, screen_rect.mTop,    1.0f);
+	vertices[1] = LLVector3(screen_rect.mLeft,  screen_rect.mTop,    1.0f);
+	vertices[2] = LLVector3(screen_rect.mLeft,  screen_rect.mBottom, 1.0f);
+	vertices[3] = LLVector3(screen_rect.mRight, screen_rect.mBottom, 1.0f);
+	
+	gGL.begin(LLRender::QUADS);
+	{
+		gGL.vertexBatchPreTransformed(vertices, 4);
+	}
+	gGL.end();
+	
+	gGL.popUIMatrix();
+}
+
+
+// virtual
+void LLBadge::draw()
+{
+	if (!mLabel.empty())
+	{
+		LLView* owner_view = mOwner.get();
+
+		if (owner_view)
+		{
+			//
+			// Calculate badge position based on owner
+			//
+			
+			LLRect owner_rect;
+			owner_view->localRectToOtherView(owner_view->getLocalRect(), & owner_rect, this);
+			
+			F32 badge_center_x = owner_rect.mLeft + owner_rect.getWidth() * mLocationPercentHCenter;
+			F32 badge_center_y = owner_rect.mBottom + owner_rect.getHeight() * mLocationPercentVCenter;
+
+			//
+			// Calculate badge size based on label text
+			//
+
+			LLWString badge_label_wstring = mLabel;
+			
+			S32 badge_label_begin_offset = 0;
+			S32 badge_char_length = S32_MAX;
+			S32 badge_pixel_length = S32_MAX;
+			F32 *right_position_out = NULL;
+			BOOL do_not_use_ellipses = false;
+
+			F32 badge_width = (2.0f * mPaddingHoriz) +
+				mGLFont->getWidthF32(badge_label_wstring.c_str(), badge_label_begin_offset, badge_char_length);
+
+			F32 badge_height = (2.0f * mPaddingVert) + mGLFont->getLineHeight();
+
+			//
+			// Draw button image, if available.
+			// Otherwise draw basic rectangular button.
+			//
+
+			F32 alpha = getDrawContext().mAlpha;
+
+			if (!mImage.isNull())
+			{
+				F32 badge_x = badge_center_x - badge_width * 0.5f;
+				F32 badge_y = badge_center_y - badge_height * 0.5f;
+			
+				mImage->drawSolid((S32) badge_x, (S32) badge_y, (S32) badge_width, (S32) badge_height, mImageColor % alpha);
+
+				if (!mBorderImage.isNull())
+				{
+					mBorderImage->drawSolid((S32) badge_x, (S32) badge_y, (S32) badge_width, (S32) badge_height, mBorderColor % alpha);
+				}
+			}
+			else
+			{
+				lldebugs << "No image for badge " << getName() << " on owner " << owner_view->getName() << llendl;
+				
+				renderBadgeBackground(badge_center_x, badge_center_y,
+									  badge_width, badge_height,
+									  mImageColor % alpha);
+			}
+
+			//
+			// Draw the label
+			//
+
+			mGLFont->render(badge_label_wstring, badge_label_begin_offset,
+							badge_center_x, badge_center_y,
+							mLabelColor % alpha,
+							LLFontGL::HCENTER, LLFontGL::VCENTER, // centered around the position
+							LLFontGL::NORMAL, // normal text (not bold, italics, etc.)
+							LLFontGL::DROP_SHADOW_SOFT,
+							badge_char_length, badge_pixel_length,
+							right_position_out, do_not_use_ellipses);
+		}
+	}
+}
+
+
+namespace LLInitParam
+{
+	void TypeValues<LLRelPos::Location>::declareValues()
+	{
+		declare("bottom",		LLRelPos::BOTTOM);
+		declare("bottom_left",	LLRelPos::BOTTOM_LEFT);
+		declare("bottom_right", LLRelPos::BOTTOM_RIGHT);
+		declare("center",		LLRelPos::CENTER);
+		declare("left",			LLRelPos::LEFT);
+		declare("right",		LLRelPos::RIGHT);
+		declare("top",			LLRelPos::TOP);
+		declare("top_left",		LLRelPos::TOP_LEFT);
+		declare("top_right",	LLRelPos::TOP_RIGHT);
+	}
+}
+
+
+// eof