diff options
Diffstat (limited to 'indra/llui/llfocusmgr.h')
| -rw-r--r-- | indra/llui/llfocusmgr.h | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/indra/llui/llfocusmgr.h b/indra/llui/llfocusmgr.h index aaeb25a870..83ecd1d301 100644 --- a/indra/llui/llfocusmgr.h +++ b/indra/llui/llfocusmgr.h @@ -37,10 +37,44 @@ #include "llstring.h" #include "llframetimer.h" -#include "llview.h" +#include "llui.h" class LLUICtrl; class LLMouseHandler; +class LLView; + +// NOTE: the LLFocusableElement class declaration has been moved here from lluictrl.h. +class LLFocusableElement +{ + friend class LLFocusMgr; // allow access to focus change handlers +public: + LLFocusableElement(); + virtual ~LLFocusableElement(); + + virtual void setFocus( BOOL b ); + virtual BOOL hasFocus() const; + + typedef boost::signals2::signal<void(LLFocusableElement*)> focus_signal_t; + + boost::signals2::connection setFocusLostCallback( const focus_signal_t::slot_type& cb); + boost::signals2::connection setFocusReceivedCallback(const focus_signal_t::slot_type& cb); + boost::signals2::connection setFocusChangedCallback(const focus_signal_t::slot_type& cb); + boost::signals2::connection setTopLostCallback(const focus_signal_t::slot_type& cb); + + // These were brought up the hierarchy from LLView so that we don't have to use dynamic_cast when dealing with keyboard focus. + virtual BOOL handleKey(KEY key, MASK mask, BOOL called_from_parent); + virtual BOOL handleUnicodeChar(llwchar uni_char, BOOL called_from_parent); + +protected: + virtual void onFocusReceived(); + virtual void onFocusLost(); + virtual void onTopLost(); // called when registered as top ctrl and user clicks elsewhere + focus_signal_t* mFocusLostCallback; + focus_signal_t* mFocusReceivedCallback; + focus_signal_t* mFocusChangedCallback; + focus_signal_t* mTopLostCallback; +}; + class LLFocusMgr { @@ -55,15 +89,14 @@ public: BOOL childHasMouseCapture( const LLView* parent ) const; // Keyboard Focus - void setKeyboardFocus(LLUICtrl* new_focus, BOOL lock = FALSE, BOOL keystrokes_only = FALSE); // new_focus = NULL to release the focus. - LLUICtrl* getKeyboardFocus() const { return mKeyboardFocus; } - LLUICtrl* getLastKeyboardFocus() const { return mLastKeyboardFocus; } + void setKeyboardFocus(LLFocusableElement* new_focus, BOOL lock = FALSE, BOOL keystrokes_only = FALSE); // new_focus = NULL to release the focus. + LLFocusableElement* getKeyboardFocus() const { return mKeyboardFocus; } + LLFocusableElement* getLastKeyboardFocus() const { return mLastKeyboardFocus; } BOOL childHasKeyboardFocus( const LLView* parent ) const; - void removeKeyboardFocusWithoutCallback( const LLView* focus ); + void removeKeyboardFocusWithoutCallback( const LLFocusableElement* focus ); BOOL getKeystrokesOnly() { return mKeystrokesOnly; } void setKeystrokesOnly(BOOL keystrokes_only) { mKeystrokesOnly = keystrokes_only; } - F32 getFocusTime() const { return mFocusTimer.getElapsedTimeF32(); } F32 getFocusFlashAmt() const; S32 getFocusFlashWidth() const { return llround(lerp(1.f, 3.f, getFocusFlashAmt())); } LLColor4 getFocusColor() const; @@ -75,8 +108,8 @@ public: // If setKeyboardFocus(NULL) is called, and there is a non-NULL default // keyboard focus view, focus goes there. JC - void setDefaultKeyboardFocus(LLUICtrl* default_focus) { mDefaultKeyboardFocus = default_focus; } - LLUICtrl* getDefaultKeyboardFocus() const { return mDefaultKeyboardFocus; } + void setDefaultKeyboardFocus(LLFocusableElement* default_focus) { mDefaultKeyboardFocus = default_focus; } + LLFocusableElement* getDefaultKeyboardFocus() const { return mDefaultKeyboardFocus; } // Top View @@ -98,16 +131,19 @@ private: LLMouseHandler* mMouseCaptor; // Mouse events are premptively routed to this object // Keyboard Focus - LLUICtrl* mKeyboardFocus; // Keyboard events are preemptively routed to this object - LLUICtrl* mLastKeyboardFocus; // who last had focus - LLUICtrl* mDefaultKeyboardFocus; + LLFocusableElement* mKeyboardFocus; // Keyboard events are preemptively routed to this object + LLFocusableElement* mLastKeyboardFocus; // who last had focus + LLFocusableElement* mDefaultKeyboardFocus; BOOL mKeystrokesOnly; + + // caching list of keyboard focus ancestors for calling onFocusReceived and onFocusLost + typedef std::list<LLHandle<LLView> > view_handle_list_t; + view_handle_list_t mCachedKeyboardFocusList; // Top View LLUICtrl* mTopCtrl; - LLFrameTimer mFocusTimer; - F32 mFocusWeight; + LLFrameTimer mFocusFlashTimer; BOOL mAppHasFocus; |