create.c

早期freebsd实现

			      DefaultColormap(display, DefaultScreen(display)),
			      "black",
			      &s_bdr_color, &color_def)
	     ) ;
    else ;

    def_val = XGetDefault(display, def_env, "SelectionBorderWidth");
    if (def_val != NULL) s_bdr_width = atoi(def_val);
    
    def_val = XGetDefault(display, def_env, "SelectionSpread");
    if (def_val != NULL) s_spread = atof(def_val);

    /*
     * Create and store the inactive pattern pixmap.
     */
    switch (inact_pnum) 
      {
  case 0:
	  inact_bitmap = XCreateBitmapFromData(
					       display,
					       RootWindow(display, DefaultScreen(display)), 
					       dimple1_bits, 
					       16, 16
					       );
	  break;
  case 1:
	  inact_bitmap = XCreateBitmapFromData(
					       display, 
					       RootWindow(display, DefaultScreen(display)), 
					       dimple3_bits, 
					       16,16);
	  break;
  case 2:
	  inact_bitmap = XCreateBitmapFromData(
					       display, RootWindow(display, DefaultScreen(display)), 
					       gray1_bits, 16, 16);
	  break;
  case 3:
	  inact_bitmap = XCreateBitmapFromData(
					       display, 
					       RootWindow(display, DefaultScreen(display)), 
					       gray3_bits, 16, 16);
	  break;
  case 4:
	  inact_bitmap = XCreateBitmapFromData(
					       display, 
					       RootWindow(display, DefaultScreen(display)), 
					       cross_weave_bits, 16, 16);
	  break;
  default:
	  break;
	  
      }
    if (inact_bitmap == NULL) {
	_XMErrorCode = XME_STORE_BITMAP;
	return(NULL);
    }

    /*
     * Load the mouse cursor.
     */
	  
    switch (menu_style) {
        case LEFT:
	    cursor = XCreateBitmapFromData(display,
					   RootWindow(display,
						      DefaultScreen(display)),
					   left_ptr_bits,
					   left_ptr_width,
					   left_ptr_height);
	    cursor_mask = XCreateBitmapFromData(display,
					        RootWindow(display,
						      DefaultScreen(display)),
					        left_ptrmsk_bits,
					        left_ptrmsk_width,
					        left_ptrmsk_height);
	    mouse_cursor = XCreatePixmapCursor(
					       display,
					       cursor, cursor_mask, 
					       &mouse_color, &bkgnd_color,
					       left_ptr_x_hot,
					       left_ptr_y_hot
					       );
	    XFreePixmap(display, cursor);
	    XFreePixmap(display, cursor_mask);	    
	    break;
        case RIGHT:
	    cursor = XCreateBitmapFromData(display,
					   RootWindow(display,
						      DefaultScreen(display)),
					   right_ptr_bits,
					   right_ptr_width,
					   right_ptr_height);
	    cursor_mask = XCreateBitmapFromData(display,
					        RootWindow(display,
						      DefaultScreen(display)),
					        right_ptrmsk_bits,
					        right_ptrmsk_width,
					        right_ptrmsk_height);
	    mouse_cursor = XCreatePixmapCursor(
					       display,
					       cursor, cursor_mask,
					       &mouse_color, &bkgnd_color,
					       right_ptr_x_hot,
					       right_ptr_y_hot
					       );
	    XFreePixmap(display, cursor);
	    XFreePixmap(display, cursor_mask);	    
	    break;
        case CENTER:
	    cursor = XCreateBitmapFromData(display,
					   RootWindow(display,
						      DefaultScreen(display)),
					   cntr_ptr_bits,
					   cntr_ptr_width,
					   cntr_ptr_height);
	    cursor_mask = XCreateBitmapFromData(display,
					        RootWindow(display,
						      DefaultScreen(display)),
					        cntr_ptrmsk_bits,
					        cntr_ptrmsk_width,
					        cntr_ptrmsk_height);
	    mouse_cursor = XCreatePixmapCursor(
					       display,
					       cursor, cursor_mask,
					       &mouse_color, &bkgnd_color,
					       cntr_ptr_x_hot,
					       cntr_ptr_y_hot
					       );
	    XFreePixmap(display, cursor);
	    XFreePixmap(display, cursor_mask);	    
	break;
 default:
	/* Error! Invalid style parameter. */
	_XMErrorCode = XME_STYLE_PARAM;
	return(NULL);
    }
    if (mouse_cursor == _X_FAILURE) {
	_XMErrorCode = XME_CREATE_CURSOR;
	return(NULL);
    }

    /*
     * Open the pane and selection fonts.
     */
    
    p_fnt_info = XLoadQueryFont(display, p_fnt_name);
    if (p_fnt_info == NULL) {
	_XMErrorCode = XME_OPEN_FONT;
	return(NULL);
	
    }

    s_fnt_info = XLoadQueryFont(display, s_fnt_name);
    if (s_fnt_info == NULL) {
	_XMErrorCode = XME_OPEN_FONT;
	return(NULL);
    }
    /*
     * Calculate the fixed padding value in pixels for each font.
     */
    p_fnt_height = p_fnt_info->max_bounds.ascent + p_fnt_info->max_bounds.descent;
    s_fnt_height = s_fnt_info->max_bounds.ascent + s_fnt_info->max_bounds.descent;
    p_fnt_pad = s_spread * p_fnt_height;
    s_fnt_pad = s_spread * s_fnt_height;

    /*
     * Calculate fixed height and offset requirements.
     */
    flag_height = p_fnt_height + (p_fnt_pad << 1);

    p_height = 0;
    p_y_off = flag_height + p_bdr_width;
    p_x_off = p_y_off * p_spread;

    s_height = s_fnt_height + (s_fnt_pad << 1) + (s_bdr_width << 1);
    s_y_off = s_height;
    s_x_off = p_x_off;

    /*
     * Set up the pane list header.
     */
    pane->next = pane;
    pane->prev = pane;
    pane->type = PL_HEADER;
    pane->serial = -1;

    /*
     * Initialize the internal pane and selection creation queues.
     */
    _XMWinQueInit();
    
    /*
     * Create pane, active, and inactive GC's.
     */
    values = (XGCValues *)malloc(sizeof(XGCValues));
    valuemask = (GCForeground | GCBackground | GCFont | GCLineWidth);

    /*
     * First, pane.
     */

    values->foreground = p_frg_color.pixel;
    values->background = bkgnd_color.pixel;
    values->font = p_fnt_info->fid;
    values->line_width = p_bdr_width;
    
    pane_GC = XCreateGC(
			display, 
			RootWindow(display, DefaultScreen(display)),
			valuemask,
			values);
    /*
     * Then normal video selection.
     */

    values->foreground = s_frg_color.pixel;
    values->background = bkgnd_color.pixel;
    values->font = s_fnt_info->fid;
    values->line_width = s_bdr_width;
    normal_select_GC = XCreateGC(display, 
				 RootWindow(display, DefaultScreen(display)),
				 valuemask,
				 values);
    /*
     * Inverse video selection.
     */

    values->foreground = bkgnd_color.pixel;		
    values->background = s_frg_color.pixel;
    values->font = s_fnt_info->fid;
    values->line_width = s_bdr_width;
    inverse_select_GC = XCreateGC(display, 
				  RootWindow(display, DefaultScreen(display)),
				  valuemask,
				  values);
    stipple_pixmap = XCreateBitmapFromData(display,
					   RootWindow(display,
						      DefaultScreen(display)),
					   stipple_bits,		
					   stipple_width,		
					   stipple_height);	
    
    /*
     * Finally, inactive pane header and selections
     */
    valuemask |= (GCFillStyle | GCStipple);
    values->foreground = s_frg_color.pixel;
    values->background = bkgnd_color.pixel;
    values->font = s_fnt_info->fid;
    values->line_width = s_bdr_width;
    values->fill_style = FillStippled;
    values->stipple = stipple_pixmap;
	
    inact_GC = XCreateGC(display, 
			 RootWindow(display, DefaultScreen(display)),
			 valuemask,
			 values);

    valuemask |= (GCGraphicsExposures);
    values->graphics_exposures = False;
    inact_GC_noexpose = XCreateGC (display, 
    				   RootWindow (display, 
					       DefaultScreen (display)),
				   valuemask, values);


    /*
     * Construct the XMenu object.
     */
    /* -------------------- Menu data -------------------- */
    menu->menu_style = menu_style;
    menu->menu_mode = menu_mode;
    menu->freeze = freeze;
    menu->aeq = 0;
    menu->recompute = 1;
    menu->parent = parent;
    menu->height = 0;
    menu->width = 0;
    menu->mouse_cursor = mouse_cursor;
    menu->assoc_tab = assoc_tab;
    menu->p_list = pane;
    /* -------------------- Pane window data -------------------- */
    menu->p_style = p_style;
    menu->p_events = DEF_P_EVENTS;
    menu->p_fnt_info = p_fnt_info;
    menu->p_fnt_pad = p_fnt_pad;
    menu->p_spread = p_spread;
    menu->p_bdr_width = p_bdr_width;
    menu->flag_height = flag_height;
    menu->p_width = 0;
    menu->p_height = p_height;
    menu->p_x_off = p_x_off;
    menu->p_y_off = p_y_off;
    menu->p_count = 0;
    menu->pane_GC = pane_GC;
    menu->x_pos = 0;
    menu->y_pos = 0;
    /* -------------------- Selection window data -------------------- */
    menu->s_style = s_style;
    menu->s_events = DEF_S_EVENTS;
    menu->s_fnt_info = s_fnt_info;
    menu->s_fnt_pad = s_fnt_pad;
    menu->s_spread = s_spread;
    menu->s_bdr_width = s_bdr_width;		/* unnecessary */
    menu->s_width = 0;
    menu->s_height = s_height;
    menu->s_x_off = s_x_off;
    menu->s_y_off = s_y_off;
    menu->s_count = 0;
    menu->normal_select_GC = normal_select_GC;
    menu->inverse_select_GC = inverse_select_GC;
    menu->inact_GC = inact_GC;
    /* -------------------- Color data -------------------- */
    menu->p_bdr_color = p_bdr_color.pixel;
    menu->s_bdr_color = s_bdr_color.pixel;
    menu->p_frg_color = p_frg_color.pixel;
    menu->s_frg_color = s_frg_color.pixel;
    menu->bkgnd_color = bkgnd_color.pixel;
    /* -------------------- Pixmap data -------------------- */
    menu->p_bdr_pixmap = NULL;
    menu->s_bdr_pixmap = NULL;
    menu->p_frg_pixmap = NULL;
    menu->s_frg_pixmap = NULL;
    menu->bkgnd_pixmap = NULL;
    if (DisplayPlanes (display, DefaultScreen (display)) == 1)
	menu->inact_pixmap = inact_bitmap;
    else
    {
	int loop;
	
	menu->inact_pixmap = XCreatePixmap (display,
					    parent,
					    16,
					    16,
					    DisplayPlanes (display,
							   DefaultScreen (display)));
	if (menu->inact_pixmap == NULL)
	{
	    _XMErrorCode = XME_STORE_BITMAP;
	    return(NULL);
	}

	XCopyPlane (display, inact_bitmap, menu->inact_pixmap, 
		    inact_GC_noexpose, 0, 0, 16, 16, 0, 0, 1);

/*
	for (loop = 0;
	     loop < DisplayPlanes (display, DefaultScreen (display));
	     loop++)
	{
	    XCopyPlane (display,
			inact_bitmap,
			menu->inact_pixmap,
			inact_GC,
			0,
			0,
			16,
			16,
			0,
			0,
			(1 << loop));
	}
*/
    }

    /*
     * Return the completed XMenu.
     */
    _XMErrorCode = XME_NO_ERROR;
    return(menu);
}