winctrls.c

大名鼎鼎的远程登录软件putty的Symbian版源码

    SelectObject(hdc, oldfont);
    ReleaseDC(cp->hwnd, hdc);

    if (lines) *lines = nlines;

    return ret;
}

/*
 * A single standalone static text control.
 */
void statictext(struct ctlpos *cp, char *text, int lines, int id)
{
    RECT r;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = STATICHEIGHT * lines;
    cp->ypos += r.bottom + GAPBETWEEN;
    doctl(cp, r, "STATIC",
	  WS_CHILD | WS_VISIBLE | SS_LEFTNOWORDWRAP,
	  0, text, id);
}

/*
 * An owner-drawn static text control for a panel title.
 */
void paneltitle(struct ctlpos *cp, int id)
{
    RECT r;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = TITLEHEIGHT;
    cp->ypos += r.bottom + GAPBETWEEN;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_OWNERDRAW,
	  0, NULL, id);
}

/*
 * A button on the right hand side, with a static to its left.
 */
void staticbtn(struct ctlpos *cp, char *stext, int sid,
	       char *btext, int bid)
{
    const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
			PUSHBTNHEIGHT : STATICHEIGHT);
    RECT r;
    int lwid, rwid, rpos;

    rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
    lwid = rpos - 2 * GAPBETWEEN;
    rwid = cp->width + GAPBETWEEN - rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos;
    r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
    r.right = rwid;
    r.bottom = PUSHBTNHEIGHT;
    doctl(cp, r, "BUTTON",
	  BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
	  0, btext, bid);

    cp->ypos += height + GAPBETWEEN;
}

/*
 * A simple push button.
 */
void button(struct ctlpos *cp, char *btext, int bid, int defbtn)
{
    RECT r;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = PUSHBTNHEIGHT;

    /* Q67655: the _dialog box_ must know which button is default
     * as well as the button itself knowing */
    if (defbtn && cp->hwnd)
	SendMessage(cp->hwnd, DM_SETDEFID, bid, 0);

    doctl(cp, r, "BUTTON",
	  BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP |
	  (defbtn ? BS_DEFPUSHBUTTON : 0) | BS_PUSHBUTTON,
	  0, btext, bid);

    cp->ypos += PUSHBTNHEIGHT + GAPBETWEEN;
}

/*
 * Like staticbtn, but two buttons.
 */
void static2btn(struct ctlpos *cp, char *stext, int sid,
		char *btext1, int bid1, char *btext2, int bid2)
{
    const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
			PUSHBTNHEIGHT : STATICHEIGHT);
    RECT r;
    int lwid, rwid1, rwid2, rpos1, rpos2;

    rpos1 = GAPBETWEEN + (cp->width + GAPBETWEEN) / 2;
    rpos2 = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
    lwid = rpos1 - 2 * GAPBETWEEN;
    rwid1 = rpos2 - rpos1 - GAPBETWEEN;
    rwid2 = cp->width + GAPBETWEEN - rpos2;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos1;
    r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
    r.right = rwid1;
    r.bottom = PUSHBTNHEIGHT;
    doctl(cp, r, "BUTTON",
	  BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
	  0, btext1, bid1);

    r.left = rpos2;
    r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
    r.right = rwid2;
    r.bottom = PUSHBTNHEIGHT;
    doctl(cp, r, "BUTTON",
	  BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
	  0, btext2, bid2);

    cp->ypos += height + GAPBETWEEN;
}

/*
 * An edit control on the right hand side, with a static to its left.
 */
static void staticedit_internal(struct ctlpos *cp, char *stext,
				int sid, int eid, int percentedit,
				int style)
{
    const int height = (EDITHEIGHT > STATICHEIGHT ?
			EDITHEIGHT : STATICHEIGHT);
    RECT r;
    int lwid, rwid, rpos;

    rpos =
	GAPBETWEEN + (100 - percentedit) * (cp->width + GAPBETWEEN) / 100;
    lwid = rpos - 2 * GAPBETWEEN;
    rwid = cp->width + GAPBETWEEN - rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos;
    r.top = cp->ypos + (height - EDITHEIGHT) / 2;
    r.right = rwid;
    r.bottom = EDITHEIGHT;
    doctl(cp, r, "EDIT",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style,
	  WS_EX_CLIENTEDGE, "", eid);

    cp->ypos += height + GAPBETWEEN;
}

void staticedit(struct ctlpos *cp, char *stext,
		int sid, int eid, int percentedit)
{
    staticedit_internal(cp, stext, sid, eid, percentedit, 0);
}

void staticpassedit(struct ctlpos *cp, char *stext,
		    int sid, int eid, int percentedit)
{
    staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD);
}

/*
 * A drop-down list box on the right hand side, with a static to
 * its left.
 */
void staticddl(struct ctlpos *cp, char *stext,
	       int sid, int lid, int percentlist)
{
    const int height = (COMBOHEIGHT > STATICHEIGHT ?
			COMBOHEIGHT : STATICHEIGHT);
    RECT r;
    int lwid, rwid, rpos;

    rpos =
	GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
    lwid = rpos - 2 * GAPBETWEEN;
    rwid = cp->width + GAPBETWEEN - rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos;
    r.top = cp->ypos + (height - EDITHEIGHT) / 2;
    r.right = rwid;
    r.bottom = COMBOHEIGHT*4;
    doctl(cp, r, "COMBOBOX",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP |
	  CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);

    cp->ypos += height + GAPBETWEEN;
}

/*
 * A combo box on the right hand side, with a static to its left.
 */
void staticcombo(struct ctlpos *cp, char *stext,
		 int sid, int lid, int percentlist)
{
    const int height = (COMBOHEIGHT > STATICHEIGHT ?
			COMBOHEIGHT : STATICHEIGHT);
    RECT r;
    int lwid, rwid, rpos;

    rpos =
	GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
    lwid = rpos - 2 * GAPBETWEEN;
    rwid = cp->width + GAPBETWEEN - rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos;
    r.top = cp->ypos + (height - EDITHEIGHT) / 2;
    r.right = rwid;
    r.bottom = COMBOHEIGHT*10;
    doctl(cp, r, "COMBOBOX",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
	  CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);

    cp->ypos += height + GAPBETWEEN;
}

/*
 * A static, with a full-width drop-down list box below it.
 */
void staticddlbig(struct ctlpos *cp, char *stext,
		  int sid, int lid)
{
    RECT r;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
    cp->ypos += STATICHEIGHT;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = COMBOHEIGHT*4;
    doctl(cp, r, "COMBOBOX",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP |
	  CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
    cp->ypos += COMBOHEIGHT + GAPBETWEEN;
}

/*
 * A big multiline edit control with a static labelling it.
 */
void bigeditctrl(struct ctlpos *cp, char *stext,
		 int sid, int eid, int lines)
{
    RECT r;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = STATICHEIGHT;
    cp->ypos += r.bottom + GAPWITHIN;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = EDITHEIGHT + (lines - 1) * STATICHEIGHT;
    cp->ypos += r.bottom + GAPBETWEEN;
    doctl(cp, r, "EDIT",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE,
	  WS_EX_CLIENTEDGE, "", eid);
}

/*
 * A list box with a static labelling it.
 */
void listbox(struct ctlpos *cp, char *stext,
	     int sid, int lid, int lines, int multi)
{
    RECT r;

    if (stext != NULL) {
	r.left = GAPBETWEEN;
	r.top = cp->ypos;
	r.right = cp->width;
	r.bottom = STATICHEIGHT;
	cp->ypos += r.bottom + GAPWITHIN;
	doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
    }

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
    cp->ypos += r.bottom + GAPBETWEEN;
    doctl(cp, r, "LISTBOX",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
	  LBS_NOTIFY | LBS_HASSTRINGS | LBS_USETABSTOPS |
	  (multi ? LBS_MULTIPLESEL : 0),
	  WS_EX_CLIENTEDGE, "", lid);
}

/*
 * A tab-control substitute when a real tab control is unavailable.
 */
void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id)
{
    const int height = (COMBOHEIGHT > STATICHEIGHT ?
			COMBOHEIGHT : STATICHEIGHT);
    RECT r;
    int bigwid, lwid, rwid, rpos;
    static const int BIGGAP = 15;
    static const int MEDGAP = 3;

    bigwid = cp->width + 2 * GAPBETWEEN - 2 * BIGGAP;
    cp->ypos += MEDGAP;
    rpos = BIGGAP + (bigwid + BIGGAP) / 2;
    lwid = rpos - 2 * BIGGAP;
    rwid = bigwid + BIGGAP - rpos;

    r.left = BIGGAP;
    r.top = cp->ypos + (height - STATICHEIGHT) / 2;
    r.right = lwid;
    r.bottom = STATICHEIGHT;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    r.left = rpos;
    r.top = cp->ypos + (height - COMBOHEIGHT) / 2;
    r.right = rwid;
    r.bottom = COMBOHEIGHT * 10;
    doctl(cp, r, "COMBOBOX",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP |
	  CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);

    cp->ypos += height + MEDGAP + GAPBETWEEN;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = 2;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ,
	  0, "", s2id);
}

/*
 * A static line, followed by an edit control on the left hand side
 * and a button on the right.
 */
void editbutton(struct ctlpos *cp, char *stext, int sid,
		int eid, char *btext, int bid)
{
    const int height = (EDITHEIGHT > PUSHBTNHEIGHT ?
			EDITHEIGHT : PUSHBTNHEIGHT);
    RECT r;
    int lwid, rwid, rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos;
    r.right = cp->width;
    r.bottom = STATICHEIGHT;
    cp->ypos += r.bottom + GAPWITHIN;
    doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);

    rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
    lwid = rpos - 2 * GAPBETWEEN;
    rwid = cp->width + GAPBETWEEN - rpos;

    r.left = GAPBETWEEN;
    r.top = cp->ypos + (height - EDITHEIGHT) / 2;
    r.right = lwid;
    r.bottom = EDITHEIGHT;
    doctl(cp, r, "EDIT",
	  WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
	  WS_EX_CLIENTEDGE, "", eid);

    r.left = rpos;
    r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
    r.right = rwid;
    r.bottom = PUSHBTNHEIGHT;
    doctl(cp, r, "BUTTON",
	  BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
	  0, btext, bid);

    cp->ypos += height + GAPBETWEEN;
}

/*
 * A special control for manipulating an ordered preference list
 * (eg. for cipher selection).
 * XXX: this is a rough hack and could be improved.
 */
void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
	       char *stext, int sid, int listid, int upbid, int dnbid)
{
    const static int percents[] = { 5, 75, 20 };
    RECT r;
    int xpos, percent = 0, i;
    int listheight = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
    const int BTNSHEIGHT = 2*PUSHBTNHEIGHT + GAPBETWEEN;
    int totalheight, buttonpos;

    /* Squirrel away IDs. */
    hdl->listid = listid;
    hdl->upbid  = upbid;
    hdl->dnbid  = dnbid;

    /* The static label. */
    if (stext != NULL) {
	r.left = GAPBETWEEN;
	r.top = cp->ypos;
	r.right = cp->width;
	r.bottom = STATICHEIGHT;
	cp->ypos += r.bottom + GAPWITHIN;
	doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
    }

    if (listheight > BTNSHEIGHT) {
        totalheight = listheight;
	buttonpos = (listheight - BTNSHEIGHT) / 2;
    } else {
        totalheight = BTNSHEIGHT;
	buttonpos = 0;
    }

    for (i=0; i<3; i++) {
        int left, wid;