llchatbar.h

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#ifndef LL_LLCHATBAR_H
#define LL_LLCHATBAR_H

#include "llpanel.h"
#include "llframetimer.h"
#include "llchat.h"

class LLLineEditor;
class LLMessageSystem;
class LLUICtrl;
class LLUUID;
class LLFrameTimer;
class LLChatBarGestureObserver;
class LLComboBox;

class LLChatBar
:       public LLPanel
{
public:
        // constructor for inline chat-bars (e.g. hosted in chat history window)
        LLChatBar();
        ~LLChatBar();
        virtual BOOL postBuild();

        virtual BOOL handleKeyHere(KEY key, MASK mask);

        void            refresh();
        void            refreshGestures();

        // Move cursor into chat input field.
        void            setKeyboardFocus(BOOL b);

        // Ignore arrow keys for chat bar
        void            setIgnoreArrowKeys(BOOL b);

        BOOL            inputEditorHasFocus();
        LLString        getCurrentChat();

        // since chat bar logic is reused for chat history
        // gesture combo box might not be a direct child
        void            setGestureCombo(LLComboBox* combo);

        // Send a chat (after stripping /20foo channel chats).
        // "Animate" means the nodding animation for regular text.
        void            sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate);
        void            sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate);

        // If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
        // Otherwise returns input and channel 0.
        LLWString stripChannelNumber(const LLWString &mesg, S32* channel);

        // callbacks
        static void     onClickSay( LLUICtrl*, void* userdata );

        static void     onTabClick( void* userdata );
        static void     onInputEditorKeystroke(LLLineEditor* caller, void* userdata);
        static void     onInputEditorFocusLost(LLFocusableElement* caller,void* userdata);
        static void     onInputEditorGainFocus(LLFocusableElement* caller,void* userdata);

        static void onCommitGesture(LLUICtrl* ctrl, void* data);

        static void startChat(const char* line);
        static void stopChat();

protected:
        void sendChat(EChatType type);
        void updateChat();

protected:
        LLLineEditor*   mInputEditor;

        LLFrameTimer    mGestureLabelTimer;

        // Which non-zero channel did we last chat on?
        S32                             mLastSpecialChatChannel;

        BOOL                    mIsBuilt;
        LLComboBox*             mGestureCombo;

        LLChatBarGestureObserver* mObserver;
};

extern LLChatBar *gChatBar;

#endif

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