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Diffstat (limited to 'indra/llui/llbadge.cpp')
| -rw-r--r-- | indra/llui/llbadge.cpp | 274 |
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 |