phoenix-firestorm/indra/newview/llbottomtray.h

491 lines
17 KiB
C++

/**
* @file llbottomtray.h
* @brief LLBottomTray class header file
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#ifndef LL_LLBOTTOMPANEL_H
#define LL_LLBOTTOMPANEL_H
#include "llmenugl.h"
#include "llpanel.h"
#include "llimview.h"
#include "llcombobox.h"
class LLChicletPanel;
class LLLineEditor;
class LLLayoutStack;
class LLNotificationChiclet;
class LLSpeakButton;
class LLNearbyChatBar;
class LLIMChiclet;
class LLBottomTrayLite;
// Build time optimization, generate once in .cpp file
#ifndef LLBOTTOMTRAY_CPP
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
, public LLIMSessionObserver
, public LLVoiceClientStatusObserver
{
LOG_CLASS(LLBottomTray);
friend class LLSingleton<LLBottomTray>;
friend class LLBottomTrayLite;
public:
~LLBottomTray();
BOOL postBuild();
LLChicletPanel* getChicletPanel() {return mChicletPanel;}
LLNearbyChatBar* getNearbyChatBar();
void onCommitGesture(LLUICtrl* ctrl);
// LLIMSessionObserver observe triggers
virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
virtual void sessionRemoved(const LLUUID& session_id);
void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
S32 getTotalUnreadIMCount();
virtual void reshape(S32 width, S32 height, BOOL called_from_parent);
virtual void setVisible(BOOL visible);
/*virtual*/ S32 notifyParent(const LLSD& info);
// Implements LLVoiceClientStatusObserver::onChange() to enable the speak
// button when voice is available
/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
void showBottomTrayContextMenu(S32 x, S32 y, MASK mask);
void showGestureButton(BOOL visible);
void showMoveButton(BOOL visible);
void showCameraButton(BOOL visible);
void showSnapshotButton(BOOL visible);
void toggleMovementControls();
void toggleCameraControls();
void onMouselookModeIn();
void onMouselookModeOut();
/**
* Creates IM Chiclet based on session type (IM chat or Group chat)
*/
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
{
RS_NORESIZE = 0x0000
, RS_CHICLET_PANEL = 0x0001
, RS_CHATBAR_INPUT = 0x0002
, RS_BUTTON_SNAPSHOT = 0x0004
, RS_BUTTON_CAMERA = 0x0008
, RS_BUTTON_MOVEMENT = 0x0010
, RS_BUTTON_GESTURES = 0x0020
, RS_BUTTON_SPEAK = 0x0040
, RS_IM_WELL = 0x0080
, RS_NOTIFICATION_WELL = 0x0100
, RS_BUTTON_BUILD = 0x0200
, RS_BUTTON_SEARCH = 0x0400
, RS_BUTTON_WORLD_MAP = 0x0800
, RS_BUTTON_MINI_MAP = 0x1000
/*
Once new button that can be hidden on resize is added don't forget to update related places:
- RS_BUTTONS_CAN_BE_HIDDEN enum value below.
- initResizeStateContainers(): mStateProcessedObjectMap and mButtonsProcessOrder
*/
/**
* Specifies buttons which can be hidden when bottom tray is shrunk.
* They are: Gestures, Movement (Move), Camera (View), Snapshot
* new: Build, Search, Map, World Map, Mini-Map.
*/
, RS_BUTTONS_CAN_BE_HIDDEN = RS_BUTTON_SNAPSHOT | RS_BUTTON_CAMERA | RS_BUTTON_MOVEMENT | RS_BUTTON_GESTURES
| 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.
*
* Process order:
* - reduce chiclet panel to its minimal width;
* - reduce chatbar to its minimal width;
* - reduce visible buttons from right to left to their minimal width;
* - hide visible buttons from right to left;
* When button is hidden chatbar extended to fill released space if it is necessary.
*
* @param[in] delta_width - value by which bottom tray should be shrunk. It is a negative value.
* @return positive value which bottom tray can not process when it reaches its minimal width.
* Zero if there was enough space to process delta_width.
*/
S32 processWidthDecreased(S32 delta_width);
/**
* Updates child controls size and visibility when it is necessary to extend total width.
*
* Process order:
* - show invisible buttons should be shown from left to right if possible;
* - extend visible buttons from left to right to their default width;
* - extend chatbar to its maximal width;
* - extend chiclet panel to all available space;
* When chatbar & chiclet panels are wider then their minimal width they can be reduced to allow
* a button gets visible in case if passed delta_width is not enough (chatbar first).
*
* @param[in] delta_width - value by which bottom tray should be extended. It is a positive value.
*/
void processWidthIncreased(S32 delta_width);
/** helper function to log debug messages */
void log(LLView* panel, const std::string& descr);
/**
* Tries to show hidden by resize buttons using available width.
*
* Gets buttons visible if there is enough space. Reduces available_width in this case.
*
* @params[in, out] available_width - reference to available width to be used to show buttons.
* @see processShowButton()
*/
void processShowButtons(S32& available_width);
/**
* Tries to show panel with specified button using available width.
*
* Shows button specified by type if there is enough space. Reduces available_width in this case.
*
* @params[in] shown_object_type - type of button to be shown.
* @params[in, out] available_width - reference to available width to be used to show button.
*
* @return true if button can be shown, false otherwise
*/
bool processShowButton(EResizeState shown_object_type, S32& available_width);
/**
* Hides visible panels with all buttons that may be hidden by resize if it is necessary.
*
* When button gets hidden some space is released in bottom tray.
* This space is taken into account for several consecutive calls for several buttons.
*
* @params[in, out] required_width - reference to required width to be released. This is a negative value.
* Its absolute value is decreased by shown panel width.
* @params[in, out] buttons_freed_width - reference to value released over required one.
* If panel's width is more than required difference is added to buttons_freed_width.
* @see processHideButton()
*/
void processHideButtons(S32& required_width, S32& buttons_freed_width);
/**
* Hides panel with specified button if it is visible.
*
* When button gets hidden some space is released in bottom tray.
* This space is taken into account for several consecutive calls for several buttons.
*
* @params[in] processed_object_type - type of button to be hide.
* @params[in, out] required_width - reference to required width to be released. This is a negative value.
* Its absolute value is decreased by panel width.
* @params[in, out] buttons_freed_width - reference to value released over required one.
* If panel's width is more than required difference is added to buttons_freed_width.
*/
void processHideButton(EResizeState processed_object_type, S32& required_width, S32& buttons_freed_width);
/**
* Shrinks shown buttons to reduce total taken space.
*
* Shrinks buttons that may be shrunk smoothly first. Then shrinks Speak button.
*
* @param[in, out] required_width - reference to width value which should be released when buttons are shrunk. It is a negative value.
* It is increased on the value processed by buttons.
* @params[in, out] buttons_freed_width - reference to value released over required one.
* If width of panel with Speak button is more than required that difference is added
* to buttons_freed_width.
* This is because Speak button shrinks discretely unlike other buttons which are changed smoothly.
*/
void processShrinkButtons(S32& required_width, S32& buttons_freed_width);
/**
* Shrinks panel with specified button if it is visible.
*
* @params[in] processed_object_type - type of button to be shrunk.
* @param[in, out] required_width - reference to width value which should be released when button is shrunk. It is a negative value.
* It is increased on the value released by the button.
*/
void processShrinkButton(EResizeState processed_object_type, S32& required_width);
/**
* Extends shown buttons to increase total taken space.
*
* Extends buttons that may be extended smoothly first. Then extends Speak button.
*
* @param[in, out] available_width - reference to width value which buttons can use to be extended.
* It is a positive value. It is decreased on the value processed by buttons.
*/
void processExtendButtons(S32& available_width);
/**
* Extends shown button to increase total taken space.
*
* @params[in] processed_object_type - type of button to be extended.
* @param[in, out] available_width - reference to width value which button can use to be extended.
* It is a positive value. It is decreased on the value processed by buttons.
*/
void processExtendButton(EResizeState processed_object_type, S32& available_width);
/**
* Determines if specified by type object can be shown. It should be hidden by shrink before.
*
* Processes buttons a such way to show buttons in constant order:
* - Gestures, Move, View, Snapshot
*/
bool canButtonBeShown(EResizeState processed_object_type) const;
/**
* Initializes all containers stored data related to children resize state.
*
* @see mStateProcessedObjectMap
* @see mObjectDefaultWidthMap
* @see mButtonsProcessOrder
*/
void initResizeStateContainers();
/**
* Initializes buttons' visibility depend on stored Control Settings.
*/
void initButtonsVisibility();
/**
* Initializes listeners of Control Settings to toggle appropriate buttons' visibility.
*
* @see toggleShowButton()
*/
void setButtonsControlsAndListeners();
/**
* Toggles visibility of specified button depend on passed value.
*
* @param button_type - type of button to be toggled
* @param new_visibility - new visibility of the button
*
* @see setButtonsControlsAndListeners()
*/
static bool toggleShowButton(EResizeState button_type, const LLSD& new_visibility);
/**
* Sets passed visibility to object specified by resize type.
*/
void setTrayButtonVisible(EResizeState shown_object_type, bool visible);
/**
* Sets passed visibility to object specified by resize type if it is possible.
*
* If it is impossible to show required button due to there is no enough room in bottom tray
* it will no be shown. Is called via context menu commands.
* In this case Alert Dialog will be shown to notify user about that.
*
* Method also stores resize state to be processed while future bottom tray extending:
* - if hidden while resizing button should be hidden it will not be shown while extending;
* - if hidden via context menu button should be shown but there is no enough room for now
* it will be shown while extending.
*/
void setTrayButtonVisibleIfPossible(EResizeState shown_object_type, bool visible, bool raise_notification = true);
/**
* Sets passed visibility to required button and fit widths of shown
* buttons(notice that method can shrink widths to
* allocate needed room in bottom tray).
* Returns true if visibility of required button was set.
*/
bool setVisibleAndFitWidths(EResizeState object_type, bool visible);
/**
* Shows/hides panel with specified well button (IM or Notification)
*
* @param[in] object_type - type of well button to be processed.
* Must be one of RS_IM_WELL or RS_NOTIFICATION_WELL.
* @param[in] visible - flag specified whether button should be shown or hidden.
*/
void showWellButton(EResizeState object_type, bool visible);
/**
* Handles a customization of chatbar width.
*
* When chatbar gets wider layout stack will reduce chiclet panel (it is auto-resizable)
* But once chiclet panel reaches its minimal width Stack will force to reduce buttons width.
* including Speak button. The similar behavior is when chatbar gets narrowly.
* This methods force resize behavior to resize buttons properly in these cases.
*/
void processChatbarCustomization(S32 new_width);
MASK mResizeState;
typedef std::map<EResizeState, LLPanel*> state_object_map_t;
state_object_map_t mStateProcessedObjectMap;
typedef std::map<EResizeState, S32> state_object_width_map_t;
state_object_width_map_t mObjectDefaultWidthMap;
typedef std::vector<EResizeState> resize_state_vec_t;
/**
* 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:
LLBottomTray(const LLSD& key = LLSD());
static void* createNearbyChatBar(void* userdata);
void updateContextMenu(S32 x, S32 y, MASK mask);
void onContextMenuItemClicked(const LLSD& userdata);
bool onContextMenuItemEnabled(const LLSD& userdata);
// Either default or saved after user's manual resize width of nearby chat.
// Nearby chat will not always have it, because sometimes it can be shrunk on resize,
// but when possible it will be restored back to this value.
S32 mDesiredNearbyChatWidth;
LLChicletPanel* mChicletPanel;
LLPanel* mSpeakPanel;
LLSpeakButton* mSpeakBtn;
LLNearbyChatBar* mNearbyChatBar;
LLLayoutStack* mToolbarStack;
LLMenuGL* mBottomTrayContextMenu;
LLButton* mCamButton;
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