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-rw-r--r--indra/llui/CMakeLists.txt2
-rw-r--r--indra/llui/llloadingindicator.cpp133
-rw-r--r--indra/llui/llloadingindicator.h93
-rw-r--r--indra/llui/llui.cpp4
-rw-r--r--indra/llui/lluifwd.h1
5 files changed, 233 insertions, 0 deletions
diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index 532b6b6524..3ecab90756 100644
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -52,6 +52,7 @@ set(llui_SOURCE_FILES
llkeywords.cpp
lllayoutstack.cpp
lllineeditor.cpp
+ llloadingindicator.cpp
lllocalcliprect.cpp
llmenubutton.cpp
llmenugl.cpp
@@ -144,6 +145,7 @@ set(llui_HEADER_FILES
lllayoutstack.h
lllazyvalue.h
lllineeditor.h
+ llloadingindicator.h
lllocalcliprect.h
llmenubutton.h
llmenugl.h
diff --git a/indra/llui/llloadingindicator.cpp b/indra/llui/llloadingindicator.cpp
new file mode 100644
index 0000000000..f8b029e19c
--- /dev/null
+++ b/indra/llui/llloadingindicator.cpp
@@ -0,0 +1,133 @@
+/**
+ * @file llloadingindicator.cpp
+ * @brief Perpetual loading indicator
+ *
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llloadingindicator.h"
+
+// Linden library includes
+#include "llsingleton.h"
+
+// Project includes
+#include "lluictrlfactory.h"
+#include "lluiimage.h"
+
+static LLDefaultChildRegistry::Register<LLLoadingIndicator> r("loading_indicator");
+
+///////////////////////////////////////////////////////////////////////////////
+// LLLoadingIndicator::Data class
+///////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Pre-loaded images shared by all instances of the widget
+ */
+class LLLoadingIndicator::Data: public LLSingleton<LLLoadingIndicator::Data>
+{
+public:
+ /*virtual*/ void initSingleton(); // from LLSingleton
+
+ LLPointer<LLUIImage> getNextImage(S8& idx) const;
+ U8 getImagesCount() const { return NIMAGES; }
+private:
+
+ static const U8 NIMAGES = 12;
+ LLPointer<LLUIImage> mImages[NIMAGES];
+};
+
+// virtual
+// Called right after the instance gets constructed.
+void LLLoadingIndicator::Data::initSingleton()
+{
+ // Load images.
+ for (U8 i = 0; i < NIMAGES; ++i)
+ {
+ std::string img_name = llformat("Progress_%d", i+1);
+ mImages[i] = LLUI::getUIImage(img_name, 0);
+ llassert(mImages[i]);
+ }
+}
+
+LLPointer<LLUIImage> LLLoadingIndicator::Data::getNextImage(S8& idx) const
+{
+ // Calculate next index, performing array bounds checking.
+ idx = (idx >= NIMAGES || idx < 0) ? 0 : (idx + 1) % NIMAGES;
+ return mImages[idx];
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// LLLoadingIndicator class
+///////////////////////////////////////////////////////////////////////////////
+
+LLLoadingIndicator::LLLoadingIndicator(const Params& p)
+: LLUICtrl(p)
+ , mRotationsPerSec(p.rotations_per_sec > 0 ? p.rotations_per_sec : 1.0f)
+ , mCurImageIdx(-1)
+{
+ // Select initial image.
+ mCurImagep = Data::instance().getNextImage(mCurImageIdx);
+
+ // Start timer for switching images.
+ start();
+}
+
+void LLLoadingIndicator::draw()
+{
+ // Time to switch to the next image?
+ if (mImageSwitchTimer.getStarted() && mImageSwitchTimer.hasExpired())
+ {
+ // Switch to the next image.
+ mCurImagep = Data::instance().getNextImage(mCurImageIdx);
+
+ // Restart timer.
+ start();
+ }
+
+ // Draw current image.
+ if( mCurImagep.notNull() )
+ {
+ mCurImagep->draw(getLocalRect(), LLColor4::white % getDrawContext().mAlpha);
+ }
+
+ LLUICtrl::draw();
+}
+
+void LLLoadingIndicator::stop()
+{
+ mImageSwitchTimer.stop();
+}
+
+void LLLoadingIndicator::start()
+{
+ mImageSwitchTimer.start();
+ F32 period = 1.0f / (Data::instance().getImagesCount() * mRotationsPerSec);
+ mImageSwitchTimer.setTimerExpirySec(period);
+}
diff --git a/indra/llui/llloadingindicator.h b/indra/llui/llloadingindicator.h
new file mode 100644
index 0000000000..32dd1fead8
--- /dev/null
+++ b/indra/llui/llloadingindicator.h
@@ -0,0 +1,93 @@
+/**
+ * @file llloadingindicator.h
+ * @brief Perpetual loading indicator
+ *
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLLOADINGINDICATOR_H
+#define LL_LLLOADINGINDICATOR_H
+
+#include "lluictrl.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// class LLLoadingIndicator
+///////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Perpetual loading indicator (a la MacOSX or YouTube)
+ *
+ * Number of rotations per second can be overriden
+ * with the "roations_per_sec" parameter.
+ *
+ * Can start/stop spinning.
+ *
+ * @see start()
+ * @see stop()
+ */
+class LLLoadingIndicator
+: public LLUICtrl
+{
+ LOG_CLASS(LLLoadingIndicator);
+public:
+ struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
+ {
+ Optional<F32> rotations_per_sec;
+ Params()
+ : rotations_per_sec("rotations_per_sec", 1.0f)
+ {}
+ };
+
+ virtual ~LLLoadingIndicator() {}
+
+ // llview overrides
+ virtual void draw();
+
+ /**
+ * Stop spinning.
+ */
+ void stop();
+
+ /**
+ * Start spinning.
+ */
+ void start();
+
+private:
+ LLLoadingIndicator(const Params&);
+ friend class LLUICtrlFactory;
+
+ class Data;
+
+ F32 mRotationsPerSec;
+ S8 mCurImageIdx;
+ LLPointer<LLUIImage> mCurImagep;
+ LLFrameTimer mImageSwitchTimer;
+};
+
+#endif // LL_LLLOADINGINDICATOR_H
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index f9a4ed7285..bf12384a28 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -56,6 +56,7 @@
#include "llfloaterreg.h"
#include "llmenugl.h"
#include "llmenubutton.h"
+#include "llloadingindicator.h"
#include "llwindow.h"
// for registration
@@ -94,7 +95,10 @@ std::list<std::string> gUntranslated;
static LLDefaultChildRegistry::Register<LLFilterEditor> register_filter_editor("filter_editor");
static LLDefaultChildRegistry::Register<LLFlyoutButton> register_flyout_button("flyout_button");
static LLDefaultChildRegistry::Register<LLSearchEditor> register_search_editor("search_editor");
+
+// register other widgets which otherwise may not be linked in
static LLDefaultChildRegistry::Register<LLMenuButton> register_menu_button("menu_button");
+static LLDefaultChildRegistry::Register<LLLoadingIndicator> register_loading_indicator("loading_indicator");
//
diff --git a/indra/llui/lluifwd.h b/indra/llui/lluifwd.h
index f99bb39fdd..d6047b943c 100644
--- a/indra/llui/lluifwd.h
+++ b/indra/llui/lluifwd.h
@@ -39,6 +39,7 @@ class LLComboBox;
class LLDragHandle;
class LLFloater;
class LLIconCtrl;
+class LLLoadingIndicator;
class LLLineEditor;
class LLMenuGL;
class LLPanel;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 00:31:22 +0000