C++ (Cpp) GTK_STYLE_CASCADE示例

示例#1

文件： gtkstylecascade.c 项目： 3v1n0/gtk

static void
gtk_style_cascade_lookup (GtkStyleProviderPrivate *provider,
                          const GtkCssMatcher     *matcher,
                          GtkCssLookup            *lookup)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkStyleProvider *item;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
        {
          _gtk_style_provider_private_lookup (GTK_STYLE_PROVIDER_PRIVATE (item),
                                              matcher,
                                              lookup);
        }
      else
        {
          /* you lose */
          g_warn_if_reached ();
        }
    }
}

示例#2

文件： gtkstylecascade.c 项目： 3v1n0/gtk

static gboolean
gtk_style_cascade_get_style_property (GtkStyleProvider *provider,
                                      GtkWidgetPath    *path,
                                      GtkStateFlags     state,
                                      GParamSpec       *pspec,
                                      GValue           *value)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkStyleProvider *item;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (gtk_style_provider_get_style_property (item,
                                                 path,
                                                 state,
                                                 pspec,
                                                 value))
        return TRUE;
    }

  return FALSE;
}

示例#3

文件： gtkstylecascade.c 项目： 3v1n0/gtk

static GtkCssChange
gtk_style_cascade_get_change (GtkStyleProviderPrivate *provider,
                              const GtkCssMatcher     *matcher)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkStyleProvider *item;
  GtkCssChange change = 0;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
        {
          change |= _gtk_style_provider_private_get_change (GTK_STYLE_PROVIDER_PRIVATE (item),
                                                            matcher);
        }
      else
        {
          g_return_val_if_reached (GTK_CSS_CHANGE_ANY);
        }
    }

  return change;
}

示例#4

文件： gtkstylecascade.c 项目： 3v1n0/gtk

static GtkCssValue *
gtk_style_cascade_get_color (GtkStyleProviderPrivate *provider,
                             const char              *name)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkCssValue *color;
  GtkStyleProvider *item;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
        {
          color = _gtk_style_provider_private_get_color (GTK_STYLE_PROVIDER_PRIVATE (item), name);
          if (color)
            return color;
        }
      else
        {
          /* If somebody hits this code path, shout at them */
        }
    }

  return NULL;
}

示例#5

文件： gtkstylecascade.c 项目： mariospr/gtk

static void
gtk_style_cascade_lookup (GtkStyleProviderPrivate *provider,
                          const GtkCssMatcher     *matcher,
                          GtkCssLookup            *lookup,
                          GtkCssChange            *change)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkStyleProvider *item;
  GtkCssChange iter_change;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      GtkStyleProviderPrivate *sp = (GtkStyleProviderPrivate*)item;
      if (GTK_IS_STYLE_PROVIDER_PRIVATE (sp))
        {
          _gtk_style_provider_private_lookup (sp, matcher, lookup,
                                              change ? &iter_change : NULL);
          if (change)
            *change |= iter_change;
        }
      else
        {
          /* you lose */
          g_warn_if_reached ();
        }
    }
  gtk_style_cascade_iter_clear (&iter);
}

示例#6

文件： gtkstylecascade.c 项目： mariospr/gtk

static GtkCssKeyframes *
gtk_style_cascade_get_keyframes (GtkStyleProviderPrivate *provider,
                                 const char              *name)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkCssKeyframes *keyframes;
  GtkStyleProvider *item;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (!GTK_IS_STYLE_PROVIDER_PRIVATE (item))
        continue;
          
      keyframes = _gtk_style_provider_private_get_keyframes (GTK_STYLE_PROVIDER_PRIVATE (item), name);
      if (keyframes)
        {
          gtk_style_cascade_iter_clear (&iter);
          return keyframes;
        }
    }

  gtk_style_cascade_iter_clear (&iter);
  return NULL;
}

示例#7

文件： gtkstylecascade.c 项目： mariospr/gtk

static int
gtk_style_cascade_get_scale (GtkStyleProviderPrivate *provider)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);

  return cascade->scale;
}

示例#8

文件： gtkstylecascade.c 项目： mariospr/gtk

static GtkSettings *
gtk_style_cascade_get_settings (GtkStyleProviderPrivate *provider)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
  GtkStyleCascadeIter iter;
  GtkSettings *settings;
  GtkStyleProvider *item;

  for (item = gtk_style_cascade_iter_init (cascade, &iter);
       item;
       item = gtk_style_cascade_iter_next (cascade, &iter))
    {
      if (!GTK_IS_STYLE_PROVIDER_PRIVATE (item))
        continue;
          
      settings = _gtk_style_provider_private_get_settings (GTK_STYLE_PROVIDER_PRIVATE (item));
      if (settings)
        {
          gtk_style_cascade_iter_clear (&iter);
          return settings;
        }
    }

  gtk_style_cascade_iter_clear (&iter);
  return NULL;
}

示例#9

文件： gtkstylecascade.c 项目： 3v1n0/gtk

static void
gtk_style_cascade_dispose (GObject *object)
{
  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (object);

  _gtk_style_cascade_set_parent (cascade, NULL);
  g_array_unref (cascade->providers);

  G_OBJECT_CLASS (_gtk_style_cascade_parent_class)->dispose (object);
}