diff options
Diffstat (limited to 'indra/llui/llfocusmgr.h')
| -rw-r--r-- | indra/llui/llfocusmgr.h | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/indra/llui/llfocusmgr.h b/indra/llui/llfocusmgr.h index fbe0d22084..d0adadd6d3 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::function<void(LLFocusableElement*, void*)> focus_callback_t; + void setFocusLostCallback(focus_callback_t cb, void* user_data = NULL) { mFocusLostCallback = cb; mFocusCallbackUserData = user_data; } + void setFocusReceivedCallback(focus_callback_t cb, void* user_data = NULL) { mFocusReceivedCallback = cb; mFocusCallbackUserData = user_data; } + void setFocusChangedCallback(focus_callback_t cb, void* user_data = NULL ) { mFocusChangedCallback = cb; mFocusCallbackUserData = user_data; } + void setTopLostCallback(focus_callback_t cb, void* user_data = NULL ) { mTopLostCallback = cb; mFocusCallbackUserData = user_data; } + + // 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_callback_t mFocusLostCallback; + focus_callback_t mFocusReceivedCallback; + focus_callback_t mFocusChangedCallback; + focus_callback_t mTopLostCallback; + void* mFocusCallbackUserData; +}; + class LLFocusMgr { @@ -55,11 +89,11 @@ 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; } @@ -74,8 +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 @@ -97,9 +131,9 @@ 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 |