llfloater.h
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- /**
- * @file llfloater.h
- * @brief LLFloater base class
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, 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.
- * $/LicenseInfo$
- */
- // Floating "windows" within the GL display, like the inventory floater,
- // mini-map floater, etc.
- #ifndef LL_FLOATER_H
- #define LL_FLOATER_H
- #include "llpanel.h"
- #include "lluuid.h"
- //#include "llnotificationsutil.h"
- #include <set>
- class LLDragHandle;
- class LLResizeHandle;
- class LLResizeBar;
- class LLButton;
- class LLMultiFloater;
- class LLFloater;
- const BOOL RESIZE_YES = TRUE;
- const BOOL RESIZE_NO = FALSE;
- const BOOL DRAG_ON_TOP = FALSE;
- const BOOL DRAG_ON_LEFT = TRUE;
- const BOOL MINIMIZE_YES = TRUE;
- const BOOL MINIMIZE_NO = FALSE;
- const BOOL CLOSE_YES = TRUE;
- const BOOL CLOSE_NO = FALSE;
- const BOOL ADJUST_VERTICAL_YES = TRUE;
- const BOOL ADJUST_VERTICAL_NO = FALSE;
- class LLFloater : public LLPanel
- {
- friend class LLFloaterView;
- friend class LLFloaterReg;
- friend class LLMultiFloater;
- public:
- struct KeyCompare
- {
- // static bool compare(const LLSD& a, const LLSD& b);
- static bool equate(const LLSD& a, const LLSD& b);
- /*==========================================================================*|
- bool operator()(const LLSD& a, const LLSD& b) const
- {
- return compare(a, b);
- }
- |*==========================================================================*/
- };
-
- enum EFloaterButton
- {
- BUTTON_CLOSE = 0,
- BUTTON_RESTORE,
- BUTTON_MINIMIZE,
- BUTTON_TEAR_OFF,
- BUTTON_DOCK,
- BUTTON_HELP,
- BUTTON_COUNT
- };
-
- struct Params
- : public LLInitParam::Block<Params, LLPanel::Params>
- {
- Optional<std::string> title,
- short_title;
-
- Optional<bool> single_instance,
- auto_tile,
- can_resize,
- can_minimize,
- can_close,
- can_drag_on_left,
- can_tear_off,
- save_rect,
- save_visibility,
- save_dock_state,
- can_dock;
- Optional<S32> header_height,
- legacy_header_height; // HACK see initFromXML()
- // Images for top-right controls
- Optional<LLUIImage*> close_image,
- restore_image,
- minimize_image,
- tear_off_image,
- dock_image,
- help_image;
- Optional<LLUIImage*> close_pressed_image,
- restore_pressed_image,
- minimize_pressed_image,
- tear_off_pressed_image,
- dock_pressed_image,
- help_pressed_image;
-
- Optional<CommitCallbackParam> open_callback,
- close_callback;
-
- Params();
- };
-
- // use this to avoid creating your own default LLFloater::Param instance
- static const Params& getDefaultParams();
- // Load translations for tooltips for standard buttons
- static void initClass();
- LLFloater(const LLSD& key, const Params& params = getDefaultParams());
- virtual ~LLFloater();
- // Don't export top/left for rect, only height/width
- static void setupParamsForExport(Params& p, LLView* parent);
- void initFromParams(const LLFloater::Params& p);
- bool initFloaterXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
- /*virtual*/ void handleReshape(const LLRect& new_rect, bool by_user = false);
- /*virtual*/ BOOL canSnapTo(const LLView* other_view);
- /*virtual*/ void setSnappedTo(const LLView* snap_view);
- /*virtual*/ void setFocus( BOOL b );
- /*virtual*/ void setIsChrome(BOOL is_chrome);
- /*virtual*/ void setRect(const LLRect &rect);
- void initFloater(const Params& p);
- void openFloater(const LLSD& key = LLSD());
- // If allowed, close the floater cleanly, releasing focus.
- void closeFloater(bool app_quitting = false);
- /*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
-
- // Release keyboard and mouse focus
- void releaseFocus();
- // moves to center of gFloaterView
- void center();
- LLMultiFloater* getHost();
- void applyTitle();
- std::string getCurrentTitle() const;
- void setTitle( const std::string& title);
- std::string getTitle() const;
- void setShortTitle( const std::string& short_title );
- std::string getShortTitle() const;
- void setTitleVisible(bool visible);
- virtual void setMinimized(BOOL b);
- void moveResizeHandlesToFront();
- void addDependentFloater(LLFloater* dependent, BOOL reposition = TRUE);
- void addDependentFloater(LLHandle<LLFloater> dependent_handle, BOOL reposition = TRUE);
- LLFloater* getDependee() { return (LLFloater*)mDependeeHandle.get(); }
- void removeDependentFloater(LLFloater* dependent);
- BOOL isMinimized() const { return mMinimized; }
- /// isShown() differs from getVisible() in that isShown() also considers
- /// isMinimized(). isShown() is true only if visible and not minimized.
- bool isShown() const;
- /// The static isShown() can accept a NULL pointer (which of course
- /// returns false). When non-NULL, it calls the non-static isShown().
- static bool isShown(const LLFloater* floater);
- BOOL isFirstLook() { return mFirstLook; } // EXT-2653: This function is necessary to prevent overlapping for secondary showed toasts
- BOOL isFrontmost();
- BOOL isDependent() { return !mDependeeHandle.isDead(); }
- void setCanMinimize(BOOL can_minimize);
- void setCanClose(BOOL can_close);
- void setCanTearOff(BOOL can_tear_off);
- virtual void setCanResize(BOOL can_resize);
- void setCanDrag(BOOL can_drag);
- void setHost(LLMultiFloater* host);
- BOOL isResizable() const { return mResizable; }
- void setResizeLimits( S32 min_width, S32 min_height );
- void getResizeLimits( S32* min_width, S32* min_height ) { *min_width = mMinWidth; *min_height = mMinHeight; }
- bool isMinimizeable() const{ return mCanMinimize; }
- bool isCloseable() const{ return mCanClose; }
- bool isDragOnLeft() const{ return mDragOnLeft; }
- S32 getMinWidth() const{ return mMinWidth; }
- S32 getMinHeight() const{ return mMinHeight; }
- S32 getHeaderHeight() const { return mHeaderHeight; }
- virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
- virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
- virtual BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
- virtual BOOL handleMiddleMouseDown(S32 x, S32 y, MASK mask);
-
- virtual BOOL handleScrollWheel(S32 x, S32 y, S32 mask);
-
- virtual void draw();
- virtual void drawShadow(LLPanel* panel);
-
- virtual void onOpen(const LLSD& key) {}
- virtual void onClose(bool app_quitting) {}
- // This cannot be "const" until all derived floater canClose()
- // methods are const as well. JC
- virtual BOOL canClose() { return TRUE; }
- /*virtual*/ void setVisible(BOOL visible); // do not override
- /*virtual*/ void handleVisibilityChange ( BOOL new_visibility ); // do not override
-
- void setFrontmost(BOOL take_focus = TRUE);
-
- // Defaults to false.
- virtual BOOL canSaveAs() const { return FALSE; }
- virtual void saveAs() {}
- void setSnapTarget(LLHandle<LLFloater> handle) { mSnappedTo = handle; }
- void clearSnapTarget() { mSnappedTo.markDead(); }
- LLHandle<LLFloater> getSnapTarget() const { return mSnappedTo; }
- LLHandle<LLFloater> getHandle() const { return mHandle; }
- const LLSD& getKey() { return mKey; }
- BOOL matchesKey(const LLSD& key) { return mSingleInstance || KeyCompare::equate(key, mKey); }
-
- const std::string& getInstanceName() { return mInstanceName; }
-
- bool isDockable() const { return mCanDock; }
- void setCanDock(bool b);
- bool isDocked() const { return mDocked; }
- virtual void setDocked(bool docked, bool pop_on_undock = true);
- virtual void setTornOff(bool torn_off) { mTornOff = torn_off; }
- // Return a closeable floater, if any, given the current focus.
- static LLFloater* getClosableFloaterFromFocus();
- // Close the floater returned by getClosableFloaterFromFocus() and
- // handle refocusing.
- static void closeFocusedFloater();
- // LLNotification::Params contextualNotification(const std::string& name)
- // {
- // return LLNotification::Params(name).context(mNotificationContext);
- // }
- static void onClickClose(LLFloater* floater);
- static void onClickMinimize(LLFloater* floater);
- static void onClickTearOff(LLFloater* floater);
- static void onClickDock(LLFloater* floater);
- static void onClickHelp(LLFloater* floater);
- static void setFloaterHost(LLMultiFloater* hostp) {sHostp = hostp; }
- static LLMultiFloater* getFloaterHost() {return sHostp; }
-
- protected:
- void setRectControl(const std::string& rectname) { mRectControl = rectname; };
- virtual void applySavedVariables();
- void applyRectControl();
- void applyDockState();
- void storeRectControl();
- void storeVisibilityControl();
- void storeDockStateControl();
- void setKey(const LLSD& key);
- void setInstanceName(const std::string& name);
-
- virtual void bringToFront(S32 x, S32 y);
- virtual void setVisibleAndFrontmost(BOOL take_focus=TRUE);
-
- void setExpandedRect(const LLRect& rect) { mExpandedRect = rect; } // size when not minimized
- const LLRect& getExpandedRect() const { return mExpandedRect; }
- void setAutoFocus(BOOL focus) { mAutoFocus = focus; } // whether to automatically take focus when opened
- BOOL getAutoFocus() const { return mAutoFocus; }
- LLDragHandle* getDragHandle() const { return mDragHandle; }
- void destroy() { die(); } // Don't call this directly. You probably want to call closeFloater()
- private:
- void setForeground(BOOL b); // called only by floaterview
- void cleanupHandles(); // remove handles to dead floaters
- void createMinimizeButton();
- void updateButtons();
- void buildButtons(const Params& p);
-
- // Images and tooltips are named in the XML, but we want to look them
- // up by index.
- static LLUIImage* getButtonImage(const Params& p, EFloaterButton e);
- static LLUIImage* getButtonPressedImage(const Params& p, EFloaterButton e);
- static std::string getButtonTooltip(const Params& p, EFloaterButton e);
-
- BOOL offerClickToButton(S32 x, S32 y, MASK mask, EFloaterButton index);
- void addResizeCtrls();
- void layoutResizeCtrls();
- void enableResizeCtrls(bool enable);
- void addDragHandle();
- void layoutDragHandle(); // repair layout
- public:
- // Called when floater is opened, passes mKey
- // Public so external views or floaters can watch for this floater opening
- commit_signal_t mOpenSignal;
- // Called when floater is closed, passes app_qitting as LLSD()
- // Public so external views or floaters can watch for this floater closing
- commit_signal_t mCloseSignal;
- protected:
- std::string mRectControl;
- std::string mVisibilityControl;
- std::string mDocStateControl;
- LLSD mKey; // Key used for retrieving instances; set (for now) by LLFLoaterReg
- LLDragHandle* mDragHandle;
- LLResizeBar* mResizeBar[4];
- LLResizeHandle* mResizeHandle[4];
- private:
- LLRect mExpandedRect;
-
- LLUIString mTitle;
- LLUIString mShortTitle;
-
- BOOL mSingleInstance; // TRUE if there is only ever one instance of the floater
- std::string mInstanceName; // Store the instance name so we can remove ourselves from the list
- BOOL mAutoTile; // TRUE if placement of new instances tiles
-
- BOOL mCanTearOff;
- BOOL mCanMinimize;
- BOOL mCanClose;
- BOOL mDragOnLeft;
- BOOL mResizable;
-
- S32 mMinWidth;
- S32 mMinHeight;
- S32 mHeaderHeight; // height in pixels of header for title, drag bar
- S32 mLegacyHeaderHeight;// HACK see initFloaterXML()
-
- BOOL mMinimized;
- BOOL mForeground;
- LLHandle<LLFloater> mDependeeHandle;
-
- BOOL mFirstLook; // TRUE if the _next_ time this floater is visible will be the first time in the session that it is visible.
-
- typedef std::set<LLHandle<LLFloater> > handle_set_t;
- typedef std::set<LLHandle<LLFloater> >::iterator handle_set_iter_t;
- handle_set_t mDependents;
- bool mButtonsEnabled[BUTTON_COUNT];
- LLButton* mButtons[BUTTON_COUNT];
- F32 mButtonScale;
- BOOL mAutoFocus;
- LLHandle<LLFloater> mSnappedTo;
-
- LLHandle<LLFloater> mHostHandle;
- LLHandle<LLFloater> mLastHostHandle;
- bool mCanDock;
- bool mDocked;
- bool mTornOff;
- static LLMultiFloater* sHostp;
- static BOOL sQuitting;
- static std::string sButtonNames[BUTTON_COUNT];
- static std::string sButtonToolTips[BUTTON_COUNT];
- static std::string sButtonToolTipsIndex[BUTTON_COUNT];
-
- typedef void(*click_callback)(LLFloater*);
- static click_callback sButtonCallbacks[BUTTON_COUNT];
- typedef std::map<LLHandle<LLFloater>, LLFloater*> handle_map_t;
- typedef std::map<LLHandle<LLFloater>, LLFloater*>::iterator handle_map_iter_t;
- static handle_map_t sFloaterMap;
- std::vector<LLHandle<LLView> > mMinimizedHiddenChildren;
- BOOL mHasBeenDraggedWhileMinimized;
- S32 mPreviousMinimizedBottom;
- S32 mPreviousMinimizedLeft;
- // LLFloaterNotificationContext* mNotificationContext;
- LLRootHandle<LLFloater> mHandle;
- };
- /////////////////////////////////////////////////////////////
- // LLFloaterView
- // Parent of all floating panels
- class LLFloaterView : public LLUICtrl
- {
- protected:
- LLFloaterView (const Params& p);
- friend class LLUICtrlFactory;
- public:
- /*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
- void reshapeFloater(S32 width, S32 height, BOOL called_from_parent, BOOL adjust_vertical);
- /*virtual*/ void draw();
- /*virtual*/ LLRect getSnapRect() const;
- /*virtual*/ void refresh();
- LLRect findNeighboringPosition( LLFloater* reference_floater, LLFloater* neighbor );
- // Given a child of gFloaterView, make sure this view can fit entirely onscreen.
- void adjustToFitScreen(LLFloater* floater, BOOL allow_partial_outside);
- void getMinimizePosition( S32 *left, S32 *bottom);
- void restoreAll(); // un-minimize all floaters
- typedef std::set<LLView*> skip_list_t;
- void pushVisibleAll(BOOL visible, const skip_list_t& skip_list = skip_list_t());
- void popVisibleAll(const skip_list_t& skip_list = skip_list_t());
- void setCycleMode(BOOL mode) { mFocusCycleMode = mode; }
- BOOL getCycleMode() const { return mFocusCycleMode; }
- void bringToFront( LLFloater* child, BOOL give_focus = TRUE );
- void highlightFocusedFloater();
- void unhighlightFocusedFloater();
- void focusFrontFloater();
- void destroyAllChildren();
- // attempt to close all floaters
- void closeAllChildren(bool app_quitting);
- BOOL allChildrenClosed();
- LLFloater* getFrontmost() const;
- LLFloater* getBackmost() const;
- LLFloater* getParentFloater(LLView* viewp) const;
- LLFloater* getFocusedFloater() const;
- void syncFloaterTabOrder();
- // Returns z order of child provided. 0 is closest, larger numbers
- // are deeper in the screen. If there is no such child, the return
- // value is not defined.
- S32 getZOrder(LLFloater* child);
- void setSnapOffsetBottom(S32 offset) { mSnapOffsetBottom = offset; }
- void setSnapOffsetRight(S32 offset) { mSnapOffsetRight = offset; }
- private:
- BOOL mFocusCycleMode;
- S32 mSnapOffsetBottom;
- S32 mSnapOffsetRight;
- };
- //
- // Globals
- //
- extern LLFloaterView* gFloaterView;
- #endif // LL_FLOATER_H