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 * winstuff.h: Windows-specific inter-module stuff.


#include <winsock2.h>
#include <windows.h>
#include <stdio.h>                   /* for FILENAME_MAX */

#include "tree234.h"

//#include "winhelp.h"

struct Filename {
    char path[FILENAME_MAX];
#define f_open(filename, mode, isprivate) ( fopen((filename).path, (mode)) )

struct FontSpec {
    char name[64];
    int isbold;
    int height;
    int charset;

#define FONT_QUALITY(fq) ( \

 * Where we can, we use GetWindowLongPtr and friends because they're
 * more useful on 64-bit platforms, but they're a relatively recent
 * innovation, missing from VC++ 6 and older MinGW.  Degrade nicely.
 * (NB that on some systems, some of these things are available but
 * not others...)

/* GetClassLongPtr and friends */
#undef  GetClassLongPtr
#define GetClassLongPtr GetClassLong
#undef  SetClassLongPtr
#define SetClassLongPtr SetClassLong
/* GetWindowLongPtr and friends */
#undef  GetWindowLongPtr
#define GetWindowLongPtr GetWindowLong
#undef  SetWindowLongPtr
#define SetWindowLongPtr SetWindowLong
/* Since we've clobbered the above functions, we should clobber the
 * associated type regardless of whether it's defined. */
#undef LONG_PTR

#define DF_END 0x0001

 * Global variables. Most modules declare these `extern', but
 * window.c will do `#define PUTTY_DO_GLOBALS' before including this
 * module, and so will get them properly defined.
#ifndef GLOBAL
#define GLOBAL
#define GLOBAL extern

typedef struct config_tag Config;
typedef struct backend_tag Backend;
typedef struct terminal_tag Terminal;

#define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
#define PUTTY_REG_PARENT "Software\\SimonTatham"
#define PUTTY_REG_GPARENT "Software"
#define PUTTY_REG_GPARENT_CHILD "SimonTatham"

#define PUTTY_HELP_FILE "putty.hlp"
#define PUTTY_CHM_FILE "putty.chm"
#define PUTTY_HELP_CONTENTS "putty.cnt"

#define GETTICKCOUNT GetTickCount
#define CURSORBLINK GetCaretBlinkTime()
#define TICKSPERSEC 1000             /* GetTickCount returns milliseconds */


typedef HDC Context;

 * Window handles for the windows that can be running during a
 * PuTTY session.
GLOBAL HWND hwnd; /* the main terminal window */

 * The all-important instance handle.

 * Details of the help file.
GLOBAL char *help_path;
GLOBAL int help_has_contents;
GLOBAL int requested_help;

 * Help file stuff in winhelp.c.
void init_help(void);
void shutdown_help(void);
int has_help(void);
void launch_help(HWND hwnd, const char *topic);
void quit_help(HWND hwnd);

 * The terminal and logging context are notionally local to the
 * Windows front end, but they must be shared between window.c and
 * windlg.c. Likewise the saved-sessions list.
GLOBAL Terminal *term;
GLOBAL void *logctx;

#define WM_NETEVENT  (WM_APP + 5)

 * On Windows, we send MA_2CLK as the only event marking the second
 * press of a mouse button. Compare unix.h.

 * On Windows, data written to the clipboard must be NUL-terminated.

 * On Windows, copying to the clipboard terminates lines with CRLF.
#define SEL_NL { 13, 10 }

 * sk_getxdmdata() does not exist under Windows (not that I
 * couldn't write it if I wanted to, but I haven't bothered), so
 * it's a macro which always returns NULL. With any luck this will
 * cause the compiler to notice it can optimise away the
 * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
#define sk_getxdmdata(socket, lenp) (NULL)

 * File-selector filter strings used in the config box. On Windows,
 * these strings are of exactly the type needed to go in
 * `lpstrFilter' in an OPENFILENAME structure.
#define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
                        "All Files (*.*)\0*\0\0\0")
#define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
                         "All Files (*.*)\0*\0\0\0")

 * On some versions of Windows, it has been known for WM_TIMER to
 * occasionally get its callback time simply wrong, and call us
 * back several minutes early. Defining these symbols enables
 * compensation code in timing.c.

 * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 * what it can get, which means any WinSock routines used outside
 * that module must be exported from it as function pointers. So
 * here they are.
extern int (WINAPI *p_WSAAsyncSelect)
    (SOCKET s, HWND hWnd, u_int wMsg, long lEvent);
extern int (WINAPI *p_WSAEventSelect)
    (SOCKET s, WSAEVENT hEventObject, long lNetworkEvents);
extern int (WINAPI *p_select)
    (int nfds, fd_set FAR * readfds, fd_set FAR * writefds,
     fd_set FAR *exceptfds, const struct timeval FAR * timeout);
extern int (WINAPI *p_WSAGetLastError)(void);
extern int (WINAPI *p_WSAEnumNetworkEvents)
    (SOCKET s, WSAEVENT hEventObject, LPWSANETWORKEVENTS lpNetworkEvents);

extern int socket_writable(SOCKET skt);

extern void socket_reselect_all(void);

 * Exports from winctrls.c.

struct ctlpos {
    HWND hwnd;
    WPARAM font;
    int dlu4inpix;
    int ypos, width;
    int xoff;
    int boxystart, boxid;
    char *boxtext;

 * Exports from winutils.c.
typedef struct filereq_tag filereq; /* cwd for file requester */
BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
filereq *filereq_new(void);
void filereq_free(filereq *state);
int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
void split_into_argv(char *, int *, char ***, char ***);

 * Private structure for prefslist state. Only in the header file
 * so that we can delegate allocation to callers.
struct prefslist {
    int listid, upbid, dnbid;
    int srcitem;
    int dummyitem;
    int dragging;

 * This structure is passed to event handler functions as the `dlg'
 * parameter, and hence is passed back to winctrls access functions.
struct dlgparam {
    HWND hwnd;                       /* the hwnd of the dialog box */
    struct winctrls *controltrees[8];  /* can have several of these */
    int nctrltrees;
    char *wintitle;                  /* title of actual window */
    char *errtitle;                  /* title of error sub-messageboxes */
    void *data;                      /* data to pass in refresh events */
    union control *focused, *lastfocused; /* which ctrl has focus now/before */
    char shortcuts[128];             /* track which shortcuts in use */
    int coloursel_wanted;            /* has an event handler asked for
                              * a colour selector? */
    struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
    tree234 *privdata;               /* stores per-control private data */
    int ended, endresult;            /* has the dialog been ended? */

 * Exports from winctrls.c.
void ctlposinit(struct ctlpos *cp, HWND hwnd,
            int leftborder, int rightborder, int topborder);
HWND doctl(struct ctlpos *cp, RECT r,
         char *wclass, int wstyle, int exstyle, char *wtext, int wid);
void bartitle(struct ctlpos *cp, char *name, int id);
void beginbox(struct ctlpos *cp, char *name, int idbox);
void endbox(struct ctlpos *cp);
void editboxfw(struct ctlpos *cp, int password, char *text,
             int staticid, int editid);
void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
void bareradioline(struct ctlpos *cp, int nacross, ...);
void radiobig(struct ctlpos *cp, char *text, int id, ...);
void checkbox(struct ctlpos *cp, char *text, int id);
void statictext(struct ctlpos *cp, char *text, int lines, int id);
void staticbtn(struct ctlpos *cp, char *stext, int sid,
             char *btext, int bid);
void static2btn(struct ctlpos *cp, char *stext, int sid,
            char *btext1, int bid1, char *btext2, int bid2);
void staticedit(struct ctlpos *cp, char *stext,
            int sid, int eid, int percentedit);
void staticddl(struct ctlpos *cp, char *stext,
             int sid, int lid, int percentlist);
void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
void staticpassedit(struct ctlpos *cp, char *stext,
                int sid, int eid, int percentedit);
void bigeditctrl(struct ctlpos *cp, char *stext,
             int sid, int eid, int lines);
void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
void editbutton(struct ctlpos *cp, char *stext, int sid,
            int eid, char *btext, int bid);
void sesssaver(struct ctlpos *cp, char *text,
             int staticid, int editid, int listid, ...);
void envsetter(struct ctlpos *cp, char *stext, int sid,
             char *e1stext, int e1sid, int e1id,
             char *e2stext, int e2sid, int e2id,
             int listid, char *b1text, int b1id, char *b2text, int b2id);
void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
             char *btext, int bid, int eid, char *s2text, int s2id);
void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
            char *btext, int bid, ...);
void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
             char *stext, int sid, int listid, int upbid, int dnbid);
int handle_prefslist(struct prefslist *hdl,
                 int *array, int maxmemb,
                 int is_dlmsg, HWND hwnd,
                 WPARAM wParam, LPARAM lParam);
void progressbar(struct ctlpos *cp, int id);
void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
             char *e1stext, int e1sid, int e1id,
             char *e2stext, int e2sid, int e2id,
             char *btext, int bid,
             char *r1text, int r1id, char *r2text, int r2id);


 * This structure is what's stored for each `union control' in the
 * portable-dialog interface.
struct winctrl {
    union control *ctrl;
     * The control may have several components at the Windows
     * level, with different dialog IDs. To avoid needing N
     * separate platformsidectrl structures (which could be stored
     * separately in a tree234 so that lookup by ID worked), we
     * impose the constraint that those IDs must be in a contiguous
     * block.
    int base_id;
    int num_ids;
     * Remember what keyboard shortcuts were used by this control,
     * so that when we remove it again we can take them out of the
     * list in the dlgparam.
    char shortcuts[MAX_SHORTCUTS_PER_CTRL];
     * Some controls need a piece of allocated memory in which to
     * store temporary data about the control.
    void *data;
 * And this structure holds a set of the above, in two separate
 * tree234s so that it can find an item by `union control' or by
 * dialog ID.
struct winctrls {
    tree234 *byctrl, *byid;
struct controlset;
struct controlbox;

void winctrl_init(struct winctrls *);
void winctrl_cleanup(struct winctrls *);
void winctrl_add(struct winctrls *, struct winctrl *);
void winctrl_remove(struct winctrls *, struct winctrl *);
struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
struct winctrl *winctrl_findbyid(struct winctrls *, int);
struct winctrl *winctrl_findbyindex(struct winctrls *, int);
void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
                struct ctlpos *cp, struct controlset *s, int *id);
int winctrl_handle_command(struct dlgparam *dp, UINT msg,
                     WPARAM wParam, LPARAM lParam);
void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);

void dp_init(struct dlgparam *dp);
void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
void dp_cleanup(struct dlgparam *dp);

 * Exports from wincfg.c.
void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
                    int midsession, int protocol);

 * Exports from windlg.c.
void defuse_showwindow(void);
int do_config(void);
int do_reconfig(HWND, int);
void showeventlog(HWND);
void showabout(HWND);
void force_normal(HWND hwnd);
void modal_about_box(HWND hwnd);
void show_help(HWND hwnd);

 * Exports from winmisc.c.
extern OSVERSIONINFO osVersion;
BOOL init_winver(void);

 * Exports from sizetip.c.
void UpdateSizeTip(HWND src, int cx, int cy);
void EnableSizeTip(int bEnable);

 * Exports from unicode.c.
struct unicode_data;
void init_ucs(Config *, struct unicode_data *);

 * Exports from winhandl.c.
struct handle;
typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
                        void *privdata, int flags);
struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
                         void *privdata, int flags);
int handle_write(struct handle *h, const void *data, int len);
HANDLE *handle_get_events(int *nevents);
void handle_free(struct handle *h);
void handle_got_event(HANDLE event);
void handle_unthrottle(struct handle *h, int backlog);
int handle_backlog(struct handle *h);
void *handle_get_privdata(struct handle *h);

 * pageantc.c needs to schedule callbacks for asynchronous agent
 * requests. This has to be done differently in GUI and console, so
 * there's an exported function used for the purpose.
 * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 * synchronous in pscp and psftp.
void agent_schedule_callback(void (*callback)(void *, void *, int),
                       void *callback_ctx, void *data, int len);
#define FLAG_SYNCAGENT 0x1000

 * Exports from winser.c.
extern Backend serial_backend;


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