msw_style.c

linux下电话本所依赖的一些图形库

  if (detail && strcmp (detail, "option") == 0)	/* Menu item */
    {
      if (shadow == GTK_SHADOW_IN)
	draw_part (window, style->fg_gc[state], area, x, y, RADIO_TEXT);
    }
  else
    {
      if (xp_theme_draw (window, shadow == GTK_SHADOW_IN
                        ? XP_THEME_ELEMENT_PRESSED_RADIO_BUTTON
                        : XP_THEME_ELEMENT_RADIO_BUTTON,
                        style, x, y, width, height, state, area))
        {
        }
      else
	{
	  draw_part (window, style->black_gc, area, x, y, RADIO_BLACK);
	  draw_part (window, style->dark_gc[state], area, x, y, RADIO_DARK);
	  draw_part (window, style->mid_gc[state], area, x, y, RADIO_MID);
	  draw_part (window, style->light_gc[state], area, x, y, RADIO_LIGHT);
	  draw_part (window, style->base_gc[state], area, x, y, RADIO_BASE);

	  if (shadow == GTK_SHADOW_IN)
	    draw_part (window, style->text_gc[state], area, x, y, RADIO_TEXT);
	}
    }
}

static void
draw_varrow (GdkWindow     *window,
	     GdkGC         *gc,
	     GtkShadowType  shadow_type,
	     GdkRectangle  *area,
	     GtkArrowType   arrow_type,
	     gint           x,
	     gint           y,
	     gint           width,
	     gint           height)
{
  gint steps, extra;
  gint y_start, y_increment;
  gint i;

  if (area)
    gdk_gc_set_clip_rectangle (gc, area);

  width = width + width % 2 - 1;	/* Force odd */

  steps = 1 + width / 2;

  extra = height - steps;

  if (arrow_type == GTK_ARROW_DOWN)
    {
      y_start = y;
      y_increment = 1;
    }
  else
    {
      y_start = y + height - 1;
      y_increment = -1;
    }

  for (i = extra; i < height; i++)
    {
      gdk_draw_line (window, gc,
		     x + (i - extra),              y_start + i * y_increment,
		     x + width - (i - extra) - 1,  y_start + i * y_increment);
    }

  if (area)
    gdk_gc_set_clip_rectangle (gc, NULL);
}

static void
draw_harrow (GdkWindow     *window,
	     GdkGC         *gc,
	     GtkShadowType  shadow_type,
	     GdkRectangle  *area,
	     GtkArrowType   arrow_type,
	     gint           x,
	     gint           y,
	     gint           width,
	     gint           height)
{
  gint steps, extra;
  gint x_start, x_increment;
  gint i;

  if (area)
    gdk_gc_set_clip_rectangle (gc, area);

  height = height + height % 2 - 1;	/* Force odd */

  steps = 1 + height / 2;

  extra = width - steps;

  if (arrow_type == GTK_ARROW_RIGHT)
    {
      x_start = x;
      x_increment = 1;
    }
  else
    {
      x_start = x + width - 1;
      x_increment = -1;
    }

  for (i = extra; i < width; i++)
    {
      gdk_draw_line (window, gc,
		     x_start + i * x_increment, y + (i - extra),
		     x_start + i * x_increment, y + height - (i - extra) - 1);
    }


  if (area)
    gdk_gc_set_clip_rectangle (gc, NULL);
}

/* This function makes up for some brokeness in gtkrange.c
 * where we never get the full arrow of the stepper button
 * and the type of button in a single drawing function.
 *
 * It doesn't work correctly when the scrollbar is squished
 * to the point we don't have room for full-sized steppers.
 */
static void
reverse_engineer_stepper_box (GtkWidget    *range,
			      GtkArrowType  arrow_type,
			      gint         *x,
			      gint         *y,
			      gint         *width,
			      gint         *height)
{
  gint slider_width = 14, stepper_size = 14;
  gint box_width;
  gint box_height;

  if (range)
    {
      gtk_widget_style_get (range,
			    "slider_width", &slider_width,
			    "stepper_size", &stepper_size,
			    NULL);
    }

  if (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN)
    {
      box_width = slider_width;
      box_height = stepper_size;
    }
  else
    {
      box_width = stepper_size;
      box_height = slider_width;
    }

  *x = *x - (box_width - *width) / 2;
  *y = *y - (box_height - *height) / 2;
  *width = box_width;
  *height = box_height;
}

static XpThemeElement to_xp_arrow(GtkArrowType   arrow_type)
{
	XpThemeElement xp_arrow;

	switch (arrow_type)
	{
		case GTK_ARROW_UP:
			xp_arrow = XP_THEME_ELEMENT_ARROW_UP;
			break;
		case GTK_ARROW_DOWN:
			xp_arrow = XP_THEME_ELEMENT_ARROW_DOWN;
			break;
		case GTK_ARROW_LEFT:
			xp_arrow = XP_THEME_ELEMENT_ARROW_LEFT;
			break;
		default:
			xp_arrow = XP_THEME_ELEMENT_ARROW_RIGHT;
			break;
	}

	return xp_arrow;
}

static void
draw_arrow (GtkStyle      *style,
	    GdkWindow     *window,
	    GtkStateType   state,
	    GtkShadowType  shadow,
	    GdkRectangle  *area,
	    GtkWidget     *widget,
	    const gchar   *detail,
	    GtkArrowType   arrow_type,
	    gboolean       fill,
	    gint           x,
	    gint           y,
	    gint           width,
	    gint           height)
{
  const gchar * name;

  name = gtk_widget_get_name (widget);

  sanitize_size (window, &width, &height);

  if (detail && strcmp (detail, "spinbutton") == 0)
    {
      if (xp_theme_is_drawable(XP_THEME_ELEMENT_SPIN_BUTTON_UP))
        {
          return;
        }
      else
        {
          x += (width - 7) / 2;

          if (arrow_type == GTK_ARROW_UP)
            y += (height - 4) / 2;
          else
            y += (1 + height - 4) / 2;
          draw_varrow (window, style->fg_gc[state], shadow, area, arrow_type,
                       x, y, 7, 4);
        }
    }
  else if (detail && (!strcmp (detail, "vscrollbar")
                      || !strcmp (detail, "hscrollbar")))
    {
      gboolean is_disabled = FALSE;
      GtkScrollbar * scrollbar = GTK_SCROLLBAR(widget);
      gint box_x = x;
      gint box_y = y;
      gint box_width = width;
      gint box_height = height;

      reverse_engineer_stepper_box (widget, arrow_type,
				    &box_x, &box_y, &box_width, &box_height);

      if (scrollbar->range.adjustment->page_size >= (scrollbar->range.adjustment->upper-scrollbar->range.adjustment->lower))
        is_disabled = TRUE;

      if (xp_theme_draw(window, to_xp_arrow(arrow_type), style, box_x, box_y, box_width, box_height, state, area))
        {
        }
      else if (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN)
        {
          x += (width - 7) / 2;
          y += (height - 5) / 2;

          draw_varrow (window, is_disabled ? style->text_aa_gc[state] : style->fg_gc[state], shadow, area, arrow_type,
                       x, y, 7, 5);
        }
      else
        {
          y += (height - 7) / 2;
          x += (width - 5) / 2;

          draw_harrow (window, is_disabled ? style->text_aa_gc[state] : style->fg_gc[state], shadow, area, arrow_type,
                       x, y, 5, 7);
        }
    }
  else
    {
      /* draw the toolbar chevrons - waiting for GTK 2.4 */
	  if (name && !strcmp (name, "gtk-toolbar-arrow"))
	  {
		  if (xp_theme_draw(window, XP_THEME_ELEMENT_REBAR_CHEVRON, style, x, y, width, height, state, area))
				return;
	  }
	  /* probably a gtk combo box on a toolbar */
	  else if (0 /*widget->parent && GTK_IS_BUTTON (widget->parent)*/)
  		{
		  	if (xp_theme_draw(window, XP_THEME_ELEMENT_COMBOBUTTON, style, x-3, widget->allocation.y+1,
                        width+5, widget->allocation.height-4, state, area))
				return;
  		}

      if (arrow_type == GTK_ARROW_UP || arrow_type == GTK_ARROW_DOWN)
	{
	  x += (width - 7) / 2;
	  y += (height - 5) / 2;

	  draw_varrow (window, style->fg_gc[state], shadow, area, arrow_type,
		       x, y, 7, 5);
	}
      else
	{
	  x += (width - 5) / 2;
	  y += (height - 7) / 2;

	  draw_harrow (window, style->fg_gc[state], shadow, area, arrow_type,
		       x, y, 5, 7);
	}
    }
}

static void
option_menu_get_props (GtkWidget      *widget,
		       GtkRequisition *indicator_size,
		       GtkBorder      *indicator_spacing)
{
  GtkRequisition *tmp_size = NULL;
  GtkBorder *tmp_spacing = NULL;

  if (widget)
    gtk_widget_style_get (widget,
			  "indicator_size", &tmp_size,
			  "indicator_spacing", &tmp_spacing,
			  NULL);

  if (tmp_size)
    {
      *indicator_size = *tmp_size;
      g_free (tmp_size);
    }
  else
    *indicator_size = default_option_indicator_size;

  if (tmp_spacing)
    {
      *indicator_spacing = *tmp_spacing;
      g_free (tmp_spacing);
    }
  else
    *indicator_spacing = default_option_indicator_spacing;
}

static gboolean is_toolbar_child(GtkWidget * wid)
{
	while(wid)
	{
		if(GTK_IS_TOOLBAR(wid) || GTK_IS_HANDLE_BOX(wid))
			return TRUE;
		else
			wid = wid->parent;
	}

	return FALSE;
}

static void
draw_box (GtkStyle      *style,
	  GdkWindow     *window,
	  GtkStateType   state_type,
	  GtkShadowType  shadow_type,
	  GdkRectangle  *area,
	  GtkWidget     *widget,
	  const gchar   *detail,
	  gint           x,
	  gint           y,
	  gint           width,
	  gint           height)
{
  if (detail &&
      (!strcmp (detail, "button") ||
       !strcmp (detail, "buttondefault")))
    {
      if (GTK_IS_TREE_VIEW (widget->parent) || GTK_IS_CLIST (widget->parent))
        {
          if (xp_theme_draw(window, XP_THEME_ELEMENT_LIST_HEADER, style, x, y,
                            width, height, state_type, area))
            return;
        }
      else if (is_toolbar_child (widget->parent))
      {
		    if (xp_theme_draw(window, XP_THEME_ELEMENT_TOOLBAR_BUTTON, style, x, y,
		                              width, height, state_type, area))
            	return;
	  }
      else
        {
          gboolean is_default = !strcmp (detail, "buttondefault");
          if (xp_theme_draw(window, is_default ? XP_THEME_ELEMENT_DEFAULT_BUTTON
                            : XP_THEME_ELEMENT_BUTTON, style, x, y,
                            width, height, state_type, area))
            return;
        }
    }
  else if (detail && !strcmp (detail, "spinbutton"))
    {
      if (xp_theme_is_drawable(XP_THEME_ELEMENT_SPIN_BUTTON_UP))
        {
          return;
        }
    }
  else if (detail && (!strcmp (detail, "spinbutton_up")
                      || !strcmp (detail, "spinbutton_down")))
    {
      if (xp_theme_draw(window,
                        (! strcmp (detail, "spinbutton_up"))
                        ? XP_THEME_ELEMENT_SPIN_BUTTON_UP
                        : XP_THEME_ELEMENT_SPIN_BUTTON_DOWN,
                        style, x, y, width, height, state_type, area))
        {
          return;
        }
    }

  else if (detail && !strcmp (detail, "slider"))
    {
      if (GTK_IS_SCROLLBAR(widget))
        {
          GtkScrollbar * scrollbar = GTK_SCROLLBAR(widget);
          gboolean is_v = GTK_IS_VSCROLLBAR(widget);
          if (xp_theme_draw(window,
                            is_v
                            ? XP_THEME_ELEMENT_SCROLLBAR_V
                            : XP_THEME_ELEMENT_SCROLLBAR_H,
                            style, x, y, width, height, state_type, area))
            {
	      XpThemeElement gripper = (is_v ? XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_V : XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_H);

	      /* Do not display grippers on tiny scroll bars, the limit imposed
		 is rather arbitrary, perhaps we can fetch the gripper geometry
		 from somewhere and use that... */
	      if ((gripper == XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_H && width < 16)
		  || (gripper == XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_V && height < 16))
		{
		  return;
		}

              xp_theme_draw(window, gripper, style, x, y, width, height, state_type, area);
              return;
            }
          else
          {
            if (scrollbar->range.adjustment->page_size >= (scrollbar->range.adjustment->upper-scrollbar->range.adjustment->lower))
              return;
          }
        }
    }
  else if (detail && !strcmp (detail, "bar"))
    {
      if (widget && GTK_IS_PROGRESS_BAR (widget))
        {
          GtkProgressBar *progress_bar = GTK_PROGRESS_BAR(widget);
          XpThemeElement xp_progress_bar = map_gtk_progress_bar_to_xp (progress_bar, FALSE);
          if (xp_theme_draw (window, xp_progress_bar,
                             style, x, y, width, height, state_type, area))
            {
              return;
            }
        }
    }
  else if (detail && strcmp (detail, "menuitem") == 0) {
    shadow_type = GTK_SHADOW_NONE;
      if (xp_theme_draw (window, XP_THEME_ELEMENT_MENU_ITEM, style, x, y, width, height, state_type, area))
        {
  		return;
        }
  }
  else if (detail && !strcmp (detail, "trough"))
    {
      if (widget && GTK_IS_PROGRESS_BAR (widget))
        {
          GtkProgressBar *progress_bar = GTK_PROGRESS_BAR(widget);
          XpThemeElement xp_progress_bar = map_gtk_progress_bar_to_xp (progress_bar, TRUE);
          if (xp_theme_draw (window, xp_progress_bar,
                             style, x, y, width, height, state_type, area))
            {
              return;
            }
          else
            {
              /* Blank in classic Windows */
            }
        }
      else if (widget && GTK_IS_SCROLLBAR(widget))
        {
          gboolean is_vertical = GTK_IS_VSCROLLBAR(widget);

          if (GTK_IS_RANGE(widget)
              && xp_theme_draw(window,
                               is_vertical
                               ? XP_THEME_ELEMENT_TROUGH_V
                               : XP_THEME_ELEMENT_TROUGH_H,
                               style,
                               x, y, width, height, state_type, area))
            {
              return;
            }
          else
            {
              GdkGCValues gc_values;
              GdkGC *gc;
              GdkPixmap *pixmap;

              sanitize_size (window, &width, &height);

              pixmap = gdk_pixmap_new (window, 2, 2, -1);

              gdk_draw_point (pixmap, style->bg_gc[GTK_STATE_NORMAL], 0, 0);
              gdk_draw_point (pixmap, style->bg_gc[GTK_STATE_NORMAL], 1, 1);
              gdk_draw_point (pixmap, style->light_gc[GTK_STATE_NORMAL], 1, 0);
              gdk_draw_point (pixmap, style->light_gc[GTK_STATE_NORMAL], 0, 1);

              gc_values.fill = GDK_TILED;
              gc_values.tile = pixmap;
              gc_values.ts_x_origin = x;
              gc_values.ts_y_origin = y;
              gc = gdk_gc_new_with_values (window, &gc_values,
                                           GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN | GDK_GC_FILL | GDK_GC_TILE);