listener.h

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/*      Listener.h - the Listener class - MAXScript listener windows
 *
 *      Copyright (c) John Wainwright, 1996
 *      
 */

#pragma once

#include <windowsx.h>
#include "..\foundation\pipe.h"
#include "..\compiler\thunks.h"

// helper methods for editor windows
ScripterExport int get_cur_line(HWND window, MSTR& line, bool stripEOL);
ScripterExport void set_edit_box_font(HWND window, const MCHAR* font_name);
ScripterExport void set_edit_box_font_size(HWND window, int fontSize);

extern GlobalThunk* listener_result_thunk;

extern ScripterExport BOOL end_keyboard_input;
extern ScripterExport BOOL start_keyboard_input;
extern ScripterExport MCHAR* keyboard_input;
extern ScripterExport Value* keyboard_terminator;
extern ScripterExport Array* keyboard_input_terminators;

// the Scintilla styles for the edit box
#define LISTENER_STYLE_INPUT    0
#define LISTENER_STYLE_OUTPUT   1
#define LISTENER_STYLE_MESSAGE  2
#define LISTENER_STYLE_LABEL    3

extern COLORREF input_text_color;
extern COLORREF output_text_color;
extern COLORREF message_text_color;
extern COLORREF label_text_color;

// listener flag values
#define LSNR_INPUT_MODE_MASK    0x000F
#define LSNR_KEYINPUT_OFF       0x0000
#define LSNR_KEYINPUT_LINE      0x0001
#define LSNR_KEYINPUT_CHAR      0x0002
#define LSNR_SHOWING            0x0010  // MAXScript is forcing a show, ignore all other ShowWindows
#define LSNR_NO_MACRO_REDRAW    0x0020  // disable drawing in macro-rec box (to get round bug in WM_SETREDRAW)
#define LSNR_QUITMAX_RUN        0x0040  // quitMax run - WM_CLOSE posted to main thread

// listener flag values added for r10 to support scintilla control
#define LSNR_STYLE_MASK         0x0300  // listener style flag mask
#define LSNR_STYLE_INPUT        0x0000  // LISTENER_STYLE_INPUT set
#define LSNR_STYLE_OUTPUT       0x0100  // LISTENER_STYLE_OUTPUT set
#define LSNR_STYLE_MESSAGE      0x0200  // LISTENER_STYLE_MESSAGE set
#define LSNR_BLOCK_MINI_UPDATES 0x0400  // mini updates blocked

#define EDIT_BOX_ITEM           1001    // listener edit box dlg item #
#define MACROREC_BOX_ITEM       1002    // listener macro-recorder edit box dlg item #

// Forward declaration
class ListenerViewWindow;

class Listener : public Value
{
private:
    static HANDLE mShutdown_Event;
    static bool mBailout;
    HANDLE      listener_thread;
    DWORD       thread_id;
    
public:
    HWND        listener_window;        // main listener window
    HWND        edit_box;               // edit control for main type-in
    HWND        macrorec_box;           // edit control for macro-recorder output
    HWND        mini_listener;          // mini-listener parent window in the MAX status panel
    HWND        mini_edit;              // mini-listener edit control for type_in
    HWND        mini_macrorec;          // mini-listener edit control for macro-recorder output
    WindowStream* edit_stream;          // stream for the main edit box
    WindowStream* macrorec_stream;      // stream for the macro-recorder edit box
    WindowStream* mini_edit_stream;     // stream for the mini edit box
    WindowStream* mini_macrorec_stream; // stream for the mini macro-recorder edit box
    Pipe*       source_pipe;            // the source pipe for the listener, source written to, compiler reads from
    int         flags;
    ListenerViewWindow* lvw;            // the ViewWindow instance for the listener


    Listener(HINSTANCE mxs_instance, HWND MAX_window);

    ~Listener();

    static DWORD run(Listener *l);
    

    void        stop();
    
    void        create_listener_window(HINSTANCE hInstance, HWND hwnd);

    void        gc_trace();
    void        collect() { delete this; }

    ScripterExport void set_keyinput_mode(int mode) { flags = (flags & ~LSNR_INPUT_MODE_MASK) | mode; }
    // get/set the current Scintilla style for the edit box
    ScripterExport int set_style(int style);
    ScripterExport int get_style();
    ScripterExport void set_font(const MCHAR* font_name);
    ScripterExport void set_font_size(int fontSize);
    // get/set whether changes to listener windows update mini windows
    ScripterExport bool set_block_mini_updates(bool blocked);
    ScripterExport bool get_block_mini_updates();
};

// ViewWindow subclass for putting the listener in a MAX viewport
class ListenerViewWindow : public ViewWindow
{
public:
    MCHAR *GetName();
    HWND CreateViewWindow(HWND hParent, int x, int y, int w, int h);
    void DestroyViewWindow(HWND hWnd);
    BOOL CanCreate();
};

class ListenerMessageData 
{
public:
    WPARAM wParam;
    LPARAM lParam;
    HANDLE message_event;
    ListenerMessageData(WPARAM wp, LPARAM lp, HANDLE me) { wParam = wp; lParam = lp; message_event = me; }
};

#define CLICK_STACK_SIZE    8           // number of clicked-at locations to remember for ctrl-R return
struct edit_window
{
    edit_window*    next;
    edit_window*    prev;
    Value*          file_name;

    bool            dont_flag_save; // deprecated
    bool            needs_save;     // deprecated

    HWND            window;
    HWND            edit_box;
    int             sr_offset;
    int             click_tos;
    int             click_at[CLICK_STACK_SIZE];
    bool            editing;
    IUnknown*       pDoc;

    INT_PTR         new_rollout();  
    INT_PTR         edit_rollout(); 
    INT_PTR         new_rollout(bool delete_ew);    
    INT_PTR         edit_rollout(bool delete_ew);   
    static void     gc_trace();
    bool            GetNeedsSave();
    void            ClearNeedsSave();
};