diff options
Diffstat (limited to 'indra/newview/llbottomtray.h')
| -rw-r--r-- | indra/newview/llbottomtray.h | 136 |
1 files changed, 115 insertions, 21 deletions
diff --git a/indra/newview/llbottomtray.h b/indra/newview/llbottomtray.h index 05fed53936..1197c5a10a 100644 --- a/indra/newview/llbottomtray.h +++ b/indra/newview/llbottomtray.h @@ -2,31 +2,25 @@ * @file llbottomtray.h * @brief LLBottomTray class header file * -* $LicenseInfo:firstyear=2009&license=viewergpl$ -* -* Copyright (c) 2009, Linden Research, Inc. -* +* $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 +* 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. * -* 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 +* 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. * -* 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. +* 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 * -* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO -* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, -* COMPLETENESS OR PERFORMANCE. +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -53,6 +47,30 @@ class LLBottomTrayLite; extern template class LLBottomTray* LLSingleton<class LLBottomTray>::getInstance(); #endif +/** + * Class for buttons that should have drag'n'drop ability in bottomtray. + * These buttons pass mouse events handling to bottomtray. + */ +class LLBottomtrayButton : public LLButton +{ +public: + struct Params : public LLInitParam::Block<Params, LLButton::Params> + { + Params(){} + }; + /*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask); + /*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask); + /*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask); + +protected: + LLBottomtrayButton(const Params& p) + : LLButton(p) + { + + } + friend class LLUICtrlFactory; +}; + class LLBottomTray : public LLSingleton<LLBottomTray> , public LLPanel @@ -107,6 +125,20 @@ public: */ LLIMChiclet* createIMChiclet(const LLUUID& session_id); + // Below are methods that were introduced or overriden in bottomtray to handle drag'n'drop + + virtual void draw(); + + /** + * These three methods handle drag'n'drop, they may be called directly from child buttons. + * handleHover and other virtual handle* couldn't be used here, because we should call LLPanel::handle*, + * but x and y here are often outside of bottomtray. + */ + void onDraggableButtonHover(S32 x, S32 y); + void onDraggableButtonMouseDown(LLUICtrl* button, S32 x, S32 y); + void onDraggableButtonMouseUp(LLUICtrl* button, S32 x, S32 y); + + private: typedef enum e_resize_status_type { @@ -140,6 +172,29 @@ private: | RS_BUTTON_BUILD | RS_BUTTON_SEARCH | RS_BUTTON_WORLD_MAP | RS_BUTTON_MINI_MAP }EResizeState; + // Below are three methods that were introduced to handle drag'n'drop + + /** + * finds a panel under the specified LOCAL point + */ + LLPanel* findChildPanelByLocalCoords(S32 x, S32 y); + + /** + * checks whether the cursor is over an area where the dragged button may be dropped + */ + bool isCursorOverDraggableArea(S32 x, S32 y); + + /** + * Updates process(shrink/show/hide) order of buttons and order in which they'll be stored for further save/load. + * It is called when dragged button is dropped + */ + void updateButtonsOrdersAfterDnD(); + + // saves order of buttons to file on disk + void saveButtonsOrder(); + // reads order of buttons from file on disk + void loadButtonsOrder(); + /** * Updates child controls size and visibility when it is necessary to reduce total width. * @@ -366,6 +421,13 @@ private: * Contains order in which child buttons should be processed in show/hide, extend/shrink methods. */ resize_state_vec_t mButtonsProcessOrder; + /** + * Contains order in which child buttons are shown. + * It traces order of all bottomtray buttons that may change place via drag'n'drop and should + * save and load it between sessions. mButtonsProcessOrder is not enough for it because it contains only + * buttons that may be hidden. + */ + resize_state_vec_t mButtonsOrder; protected: @@ -387,6 +449,38 @@ protected: LLButton* mMovementButton; LLBottomTrayLite* mBottomTrayLite; bool mIsInLiteMode; + + // Drag'n'Drop + + /** + * Is true if mouse down happened on draggable button. + * Set false whether on drag start or on mouse up. + */ + bool mCheckForDrag; + /** + * These two variables hold corrdinates of mouse down on draggable button. + * They are used to compare with current coordinates of cursor and determine whether drag'n'drop should start. + */ + S32 mStartX; + S32 mStartY; + /** + * True if drag'n'drop is happening. + */ + bool mDragStarted; + + /** + * Pointer to panel which is currently dragged (though it seems to user that button is dragged, + * we are changing place of layout panel). + */ + LLPanel* mDraggedItem; + /** + * Panel before which the dragged button will be inserted. + */ + LLPanel* mLandingTab; + /** + * Image used to show position where dragged button will be dropped. + */ + LLUIImage* mImageDragIndication; }; #endif // LL_LLBOTTOMPANEL_H |