window.c

大名鼎鼎的远程登录软件putty的Symbian版源码

			GetWindowLong(hwnd, GWL_EXSTYLE);

		    nexflag = exflag;
		    if (cfg.alwaysontop != prev_cfg.alwaysontop) {
			if (cfg.alwaysontop) {
			    nexflag |= WS_EX_TOPMOST;
			    SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
					 SWP_NOMOVE | SWP_NOSIZE);
			} else {
			    nexflag &= ~(WS_EX_TOPMOST);
			    SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
					 SWP_NOMOVE | SWP_NOSIZE);
			}
		    }
		    if (cfg.sunken_edge)
			nexflag |= WS_EX_CLIENTEDGE;
		    else
			nexflag &= ~(WS_EX_CLIENTEDGE);

		    nflg = flag;
		    if (is_full_screen() ?
			cfg.scrollbar_in_fullscreen : cfg.scrollbar)
			nflg |= WS_VSCROLL;
		    else
			nflg &= ~WS_VSCROLL;

		    if (cfg.resize_action == RESIZE_DISABLED ||
                        is_full_screen())
			nflg &= ~WS_THICKFRAME;
		    else
			nflg |= WS_THICKFRAME;

		    if (cfg.resize_action == RESIZE_DISABLED)
			nflg &= ~WS_MAXIMIZEBOX;
		    else
			nflg |= WS_MAXIMIZEBOX;

		    if (nflg != flag || nexflag != exflag) {
			if (nflg != flag)
			    SetWindowLong(hwnd, GWL_STYLE, nflg);
			if (nexflag != exflag)
			    SetWindowLong(hwnd, GWL_EXSTYLE, nexflag);

			SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
				     SWP_NOACTIVATE | SWP_NOCOPYBITS |
				     SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
				     SWP_FRAMECHANGED);

			init_lvl = 2;
		    }
		}

		/* Oops */
		if (cfg.resize_action == RESIZE_DISABLED && IsZoomed(hwnd)) {
		    force_normal(hwnd);
		    init_lvl = 2;
		}

		set_title(NULL, cfg.wintitle);
		if (IsIconic(hwnd)) {
		    SetWindowText(hwnd,
				  cfg.win_name_always ? window_name :
				  icon_name);
		}

		if (strcmp(cfg.font.name, prev_cfg.font.name) != 0 ||
		    strcmp(cfg.line_codepage, prev_cfg.line_codepage) != 0 ||
		    cfg.font.isbold != prev_cfg.font.isbold ||
		    cfg.font.height != prev_cfg.font.height ||
		    cfg.font.charset != prev_cfg.font.charset ||
		    cfg.vtmode != prev_cfg.vtmode ||
		    cfg.bold_colour != prev_cfg.bold_colour ||
		    cfg.resize_action == RESIZE_DISABLED ||
		    cfg.resize_action == RESIZE_EITHER ||
		    (cfg.resize_action != prev_cfg.resize_action))
		    init_lvl = 2;

		InvalidateRect(hwnd, NULL, TRUE);
		reset_window(init_lvl);
		net_pending_errors();
	    }
	    break;
	  case IDM_COPYALL:
	    term_copyall(term);
	    break;
	  case IDM_PASTE:
	    term_do_paste(term);
	    break;
	  case IDM_CLRSB:
	    term_clrsb(term);
	    break;
	  case IDM_RESET:
	    term_pwron(term);
	    if (ldisc)
		ldisc_send(ldisc, NULL, 0, 0);
	    break;
	  case IDM_ABOUT:
	    showabout(hwnd);
	    break;
	  case IDM_HELP:
	    WinHelp(hwnd, help_path,
                    help_has_contents ? HELP_FINDER : HELP_CONTENTS, 0);
	    break;
	  case SC_MOUSEMENU:
	    /*
	     * We get this if the System menu has been activated
	     * using the mouse.
	     */
	    show_mouseptr(1);
	    break;
          case SC_KEYMENU:
	    /*
	     * We get this if the System menu has been activated
	     * using the keyboard. This might happen from within
	     * TranslateKey, in which case it really wants to be
	     * followed by a `space' character to actually _bring
	     * the menu up_ rather than just sitting there in
	     * `ready to appear' state.
	     */
	    show_mouseptr(1);	       /* make sure pointer is visible */
	    if( lParam == 0 )
		PostMessage(hwnd, WM_CHAR, ' ', 0);
	    break;
	  case IDM_FULLSCREEN:
	    flip_full_screen();
	    break;
	  default:
	    if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
		SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
	    }
	    if (wParam >= IDM_SPECIAL_MIN && wParam <= IDM_SPECIAL_MAX) {
		int i = (wParam - IDM_SPECIAL_MIN) / 0x10;
		/*
		 * Ensure we haven't been sent a bogus SYSCOMMAND
		 * which would cause us to reference invalid memory
		 * and crash. Perhaps I'm just too paranoid here.
		 */
		if (i >= n_specials)
		    break;
		if (back)
		    back->special(backhandle, specials[i].code);
		net_pending_errors();
	    }
	}
	break;

#define X_POS(l) ((int)(short)LOWORD(l))
#define Y_POS(l) ((int)(short)HIWORD(l))

#define TO_CHR_X(x) ((((x)<0 ? (x)-font_width+1 : (x))-offset_width) / font_width)
#define TO_CHR_Y(y) ((((y)<0 ? (y)-font_height+1: (y))-offset_height) / font_height)
      case WM_LBUTTONDOWN:
      case WM_MBUTTONDOWN:
      case WM_RBUTTONDOWN:
      case WM_LBUTTONUP:
      case WM_MBUTTONUP:
      case WM_RBUTTONUP:
	if (message == WM_RBUTTONDOWN &&
	    ((wParam & MK_CONTROL) || (cfg.mouse_is_xterm == 2))) {
	    POINT cursorpos;

	    show_mouseptr(1);	       /* make sure pointer is visible */
	    GetCursorPos(&cursorpos);
	    TrackPopupMenu(popup_menus[CTXMENU].menu,
			   TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RIGHTBUTTON,
			   cursorpos.x, cursorpos.y,
			   0, hwnd, NULL);
	    break;
	}
	{
	    int button, press;

	    switch (message) {
	      case WM_LBUTTONDOWN:
		button = MBT_LEFT;
		press = 1;
		break;
	      case WM_MBUTTONDOWN:
		button = MBT_MIDDLE;
		press = 1;
		break;
	      case WM_RBUTTONDOWN:
		button = MBT_RIGHT;
		press = 1;
		break;
	      case WM_LBUTTONUP:
		button = MBT_LEFT;
		press = 0;
		break;
	      case WM_MBUTTONUP:
		button = MBT_MIDDLE;
		press = 0;
		break;
	      case WM_RBUTTONUP:
		button = MBT_RIGHT;
		press = 0;
		break;
	      default:
		button = press = 0;    /* shouldn't happen */
	    }
	    show_mouseptr(1);
	    /*
	     * Special case: in full-screen mode, if the left
	     * button is clicked in the very top left corner of the
	     * window, we put up the System menu instead of doing
	     * selection.
	     */
	    {
		char mouse_on_hotspot = 0;
		POINT pt;

		GetCursorPos(&pt);
#ifndef NO_MULTIMON
		{
		    HMONITOR mon;
		    MONITORINFO mi;

		    mon = MonitorFromPoint(pt, MONITOR_DEFAULTTONULL);

		    if (mon != NULL) {
			mi.cbSize = sizeof(MONITORINFO);
			GetMonitorInfo(mon, &mi);

			if (mi.rcMonitor.left == pt.x &&
			    mi.rcMonitor.top == pt.y) {
			    mouse_on_hotspot = 1;
			}
		    }
		}
#else
		if (pt.x == 0 && pt.y == 0) {
		    mouse_on_hotspot = 1;
		}
#endif
		if (is_full_screen() && press &&
		    button == MBT_LEFT && mouse_on_hotspot) {
		    SendMessage(hwnd, WM_SYSCOMMAND, SC_MOUSEMENU,
				MAKELPARAM(pt.x, pt.y));
		    return 0;
		}
	    }

	    if (press) {
		click(button,
		      TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
		      wParam & MK_SHIFT, wParam & MK_CONTROL,
		      is_alt_pressed());
		SetCapture(hwnd);
	    } else {
		term_mouse(term, button, translate_button(button), MA_RELEASE,
			   TO_CHR_X(X_POS(lParam)),
			   TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
			   wParam & MK_CONTROL, is_alt_pressed());
		ReleaseCapture();
	    }
	}
	return 0;
      case WM_MOUSEMOVE:
	{
	    /*
	     * Windows seems to like to occasionally send MOUSEMOVE
	     * events even if the mouse hasn't moved. Don't unhide
	     * the mouse pointer in this case.
	     */
	    static WPARAM wp = 0;
	    static LPARAM lp = 0;
	    if (wParam != wp || lParam != lp ||
		last_mousemove != WM_MOUSEMOVE) {
		show_mouseptr(1);
		wp = wParam; lp = lParam;
		last_mousemove = WM_MOUSEMOVE;
	    }
	}
	/*
	 * Add the mouse position and message time to the random
	 * number noise.
	 */
	noise_ultralight(lParam);

	if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON) &&
	    GetCapture() == hwnd) {
	    Mouse_Button b;
	    if (wParam & MK_LBUTTON)
		b = MBT_LEFT;
	    else if (wParam & MK_MBUTTON)
		b = MBT_MIDDLE;
	    else
		b = MBT_RIGHT;
	    term_mouse(term, b, translate_button(b), MA_DRAG,
		       TO_CHR_X(X_POS(lParam)),
		       TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
		       wParam & MK_CONTROL, is_alt_pressed());
	}
	return 0;
      case WM_NCMOUSEMOVE:
	{
	    static WPARAM wp = 0;
	    static LPARAM lp = 0;
	    if (wParam != wp || lParam != lp ||
		last_mousemove != WM_NCMOUSEMOVE) {
		show_mouseptr(1);
		wp = wParam; lp = lParam;
		last_mousemove = WM_NCMOUSEMOVE;
	    }
	}
	noise_ultralight(lParam);
	break;
      case WM_IGNORE_CLIP:
	ignore_clip = wParam;	       /* don't panic on DESTROYCLIPBOARD */
	break;
      case WM_DESTROYCLIPBOARD:
	if (!ignore_clip)
	    term_deselect(term);
	ignore_clip = FALSE;
	return 0;
      case WM_PAINT:
	{
	    PAINTSTRUCT p;
	    HideCaret(hwnd);
	    hdc = BeginPaint(hwnd, &p);
	    if (pal) {
		SelectPalette(hdc, pal, TRUE);
		RealizePalette(hdc);
	    }
	    term_paint(term, hdc, 
		       (p.rcPaint.left-offset_width)/font_width,
		       (p.rcPaint.top-offset_height)/font_height,
		       (p.rcPaint.right-offset_width-1)/font_width,
		       (p.rcPaint.bottom-offset_height-1)/font_height,
		       is_alt_pressed());

	    if (p.fErase ||
	        p.rcPaint.left  < offset_width  ||
		p.rcPaint.top   < offset_height ||
		p.rcPaint.right >= offset_width + font_width*term->cols ||
		p.rcPaint.bottom>= offset_height + font_height*term->rows)
	    {
		HBRUSH fillcolour, oldbrush;
		HPEN   edge, oldpen;
		fillcolour = CreateSolidBrush (
				    colours[(ATTR_DEFBG>>ATTR_BGSHIFT)*2]);
		oldbrush = SelectObject(hdc, fillcolour);
		edge = CreatePen(PS_SOLID, 0, 
				    colours[(ATTR_DEFBG>>ATTR_BGSHIFT)*2]);
		oldpen = SelectObject(hdc, edge);

		/*
		 * Jordan Russell reports that this apparently
		 * ineffectual IntersectClipRect() call masks a
		 * Windows NT/2K bug causing strange display
		 * problems when the PuTTY window is taller than
		 * the primary monitor. It seems harmless enough...
		 */
		IntersectClipRect(hdc,
			p.rcPaint.left, p.rcPaint.top,
			p.rcPaint.right, p.rcPaint.bottom);

		ExcludeClipRect(hdc, 
			offset_width, offset_height,
			offset_width+font_width*term->cols,
			offset_height+font_height*term->rows);

		Rectangle(hdc, p.rcPaint.left, p.rcPaint.top, 
			  p.rcPaint.right, p.rcPaint.bottom);

		// SelectClipRgn(hdc, NULL);

		SelectObject(hdc, oldbrush);
		DeleteObject(fillcolour);
		SelectObject(hdc, oldpen);
		DeleteObject(edge);
	    }
	    SelectObject(hdc, GetStockObject(SYSTEM_FONT));
	    SelectObject(hdc, GetStockObject(WHITE_PEN));
	    EndPaint(hwnd, &p);
	    ShowCaret(hwnd);
	}
	return 0;
      case WM_NETEVENT:
	/* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
	 * but the only one that's likely to try to overload us is FD_READ.
	 * This means buffering just one is fine.
	 */
	if (pending_netevent)
	    enact_pending_netevent();

	pending_netevent = TRUE;
	pend_netevent_wParam = wParam;
	pend_netevent_lParam = lParam;
	if (WSAGETSELECTEVENT(lParam) != FD_READ)
	    enact_pending_netevent();

	time(&last_movement);
	return 0;
      case WM_SETFOCUS:
	term->has_focus = TRUE;
	CreateCaret(hwnd, caretbm, font_width, font_height);
	ShowCaret(hwnd);
	flash_window(0);	       /* stop */
	compose_state = 0;
	term_out(term);
	term_update(term);
	break;
      case WM_KILLFOCUS:
	show_mouseptr(1);
	term->has_focus = FALSE;
	DestroyCaret();
	caret_x = caret_y = -1;	       /* ensure caret is replaced next time */
	term_out(term);
	term_update(term);
	break;
      case WM_ENTERSIZEMOVE:
#ifdef RDB_DEBUG_PATCH
	debug((27, "WM_ENTERSIZEMOVE"));
#endif
	EnableSizeTip(1);
	resizing = TRUE;
	need_backend_resize = FALSE;
	break;
      case WM_EXITSIZEMOVE:
	EnableSizeTip(0);
	resizing = FALSE;
#ifdef RDB_DEBUG_PATCH
	debug((27, "WM_EXITSIZEMOVE"));
#endif
	if (need_backend_resize) {
	    term_size(term, cfg.height, cfg.width, cfg.savelines);
	    InvalidateRect(hwnd, NULL, TRUE);
	}
	break;
      case WM_SIZING:
	/*
	 * This does two jobs:
	 * 1) Keep the sizetip uptodate
	 * 2) Make sure the window size is _stepped_ in units of the font size.
	 */
	if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
	    int width, height, w, h, ew, eh;
	    LPRECT r = (LPRECT) lParam;

	    if ( !need_backend_resize && cfg.resize_action == RESIZE_EITHER &&
		    (cfg.height != term->rows || cfg.width != term->cols )) {
		/* 
		 * Great! It seems that both the terminal size and the
		 * font size have been changed and the user is now dragging.
		 * 
		 * It will now be difficult to get back to the configured
		 * font size!
		 *
		 * This would be easier but it seems to be too confusing.

		term_size(term, cfg.height, cfg.width, cfg.savelines);
		reset_window(2);
		 */
	        cfg.height=term->rows; cfg.width=term->cols;

		InvalidateRect(hwnd, NULL, TRUE);
		need_backend_resize = TRUE;
	    }

	    width = r->right - r->left - extra_width;
	    height = r->bottom - r->top - extra_height;
	    w = (width + font_width / 2) / font_width;
	    if (w < 1)
		w = 1;
	    h = (height + font_height / 2) / font_height;
	    if (h < 1)
		h = 1;
	    UpdateSizeTip(hwnd, w, h);
	    ew = width - w * font_width;
	    eh = height - h * font_height;
	    if (ew != 0) {
		if (wParam == WMSZ_LEFT ||
		    wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
		    r->left += ew;
		else
		    r->right -= ew;
	    }
	    if (eh != 0) {
		if (wParam == WMSZ_TOP ||
		    wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
		    r->top += eh;
		else
		    r->bottom -= eh;
	    }
	    if (ew || eh)
		return 1;
	    else
		return 0;
	} else {
	    int width, height, w, h, rv = 0;
	    int ex_width = extra_width + (cfg.window_border - offset_width) * 2;
	    int ex_height = extra_height + (cfg.window_border - offset_height) * 2;
	    LPRECT r = (LPRECT) lParam;

	    width = r->right - r->left - ex_width;
	    height = r->