static void
gtk_level_bar_get_min_block_size (GtkLevelBar *self,
gint *block_width,
gint *block_height)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder border, tmp, tmp2;
gint min_width, min_height;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save_to_node (context, self->priv->block_node[0]);
state = gtk_style_context_get_state (context);
gtk_style_context_get_border (context, state, &border);
gtk_style_context_get_padding (context, state, &tmp);
gtk_style_context_get_margin (context, state, &tmp2);
gtk_style_context_restore (context);
gtk_style_context_get_style (context,
"min-block-width", &min_width,
"min-block-height", &min_height,
NULL);
border.top += tmp.top;
border.right += tmp.right;
border.bottom += tmp.bottom;
border.left += tmp.left;
border.top += tmp2.top;
border.right += tmp2.right;
border.bottom += tmp2.bottom;
border.left += tmp2.left;
if (block_width)
*block_width = MAX (border.left + border.right, min_width);
if (block_height)
*block_height = MAX (border.top + border.bottom, min_height);
}
static gboolean
gtk_level_bar_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkLevelBar *self = GTK_LEVEL_BAR (widget);
GtkStyleContext *context;
gint width, height;
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
context = gtk_widget_get_style_context (widget);
gtk_style_context_save_to_node (context, self->priv->trough_node);
gtk_render_background (context, cr, 0, 0, width, height);
gtk_render_frame (context, cr, 0, 0, width, height);
gtk_style_context_restore (context);
gtk_level_bar_draw_fill (self, cr);
return FALSE;
}
static void
gtk_level_bar_get_borders (GtkLevelBar *self,
GtkBorder *borders_out)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder border, tmp;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save_to_node (context, self->priv->trough_node);
state = gtk_style_context_get_state (context);
gtk_style_context_get_border (context, state, &border);
gtk_style_context_get_padding (context, state, &tmp);
gtk_style_context_restore (context);
border.top += tmp.top;
border.right += tmp.right;
border.bottom += tmp.bottom;
border.left += tmp.left;
if (borders_out)
*borders_out = border;
}
static gboolean
swatch_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkColorSwatch *swatch = (GtkColorSwatch*)widget;
gdouble width, height;
GtkStyleContext *context;
GtkStateFlags state;
GtkIconTheme *theme;
GtkBorder border, padding;
GdkRectangle rect;
GtkIconInfo *icon_info = NULL;
gint scale;
theme = gtk_icon_theme_get_default ();
context = gtk_widget_get_style_context (widget);
state = gtk_style_context_get_state (context);
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
gtk_render_background (context, cr, 0, 0, width, height);
if (swatch->priv->has_color)
{
cairo_pattern_t *pattern;
cairo_matrix_t matrix;
gtk_render_content_path (context, cr, 0, 0, width, height);
if (swatch->priv->use_alpha)
{
cairo_save (cr);
cairo_clip_preserve (cr);
cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
cairo_fill_preserve (cr);
pattern = _gtk_color_chooser_get_checkered_pattern ();
cairo_matrix_init_scale (&matrix, 0.125, 0.125);
cairo_pattern_set_matrix (pattern, &matrix);
cairo_set_source_rgb (cr, 0.66, 0.66, 0.66);
cairo_mask (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_restore (cr);
gdk_cairo_set_source_rgba (cr, &swatch->priv->color);
}
else
{
cairo_set_source_rgb (cr,
swatch->priv->color.red,
swatch->priv->color.green,
swatch->priv->color.blue);
}
cairo_fill (cr);
}
gtk_render_frame (context, cr, 0, 0, width, height);
scale = gtk_widget_get_scale_factor (widget);
if (swatch->priv->icon)
{
icon_info = gtk_icon_theme_lookup_icon_for_scale (theme, swatch->priv->icon, PIXBUF_SIZE,
scale,
GTK_ICON_LOOKUP_GENERIC_FALLBACK
| GTK_ICON_LOOKUP_USE_BUILTIN);
}
else if ((state & GTK_STATE_FLAG_SELECTED) != 0)
{
GIcon *gicon;
gicon = g_themed_icon_new ("object-select-symbolic");
/* fallback for themes that don't have object-select-symbolic */
g_themed_icon_append_name (G_THEMED_ICON (gicon), "gtk-apply");
icon_info = gtk_icon_theme_lookup_by_gicon_for_scale (theme, gicon, PIXBUF_SIZE,
scale,
GTK_ICON_LOOKUP_GENERIC_FALLBACK
| GTK_ICON_LOOKUP_USE_BUILTIN);
g_object_unref (gicon);
}
/* now draw the overlay image */
gtk_style_context_get_border (context, state, &border);
gtk_style_context_get_padding (context, state, &padding);
rect.width = width - (border.left + border.right + padding.left + padding.right);
rect.height = height - (border.top + border.bottom + padding.top + padding.bottom);
rect.x = border.left + padding.left;
rect.y = border.top + padding.top;
gtk_style_context_save_to_node (context, swatch->priv->overlay_node);
gtk_render_background (context, cr, rect.x, rect.y, rect.width, rect.height);
gtk_render_frame (context, cr, rect.x, rect.y, rect.width, rect.height);
if (icon_info != NULL)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info, context, NULL, NULL);
if (pixbuf != NULL)
{
cairo_surface_t *surface;
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, gtk_widget_get_window (widget));
gtk_render_icon_surface (context, cr, surface,
rect.x + (rect.width - (gdk_pixbuf_get_width (pixbuf) / scale)) / 2,
rect.y + (rect.height - (gdk_pixbuf_get_height (pixbuf) / scale)) / 2);
cairo_surface_destroy (surface);
g_object_unref (pixbuf);
}
g_object_unref (icon_info);
}
if (gtk_widget_has_visible_focus (widget))
gtk_render_focus (context, cr, 0, 0, width, height);
gtk_style_context_restore (context);
return FALSE;
}
static void
gtk_level_bar_draw_fill_discrete (GtkLevelBar *self,
cairo_t *cr,
cairo_rectangle_int_t *fill_area)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkStyleContext *context;
gint num_blocks, i;
gint block_width, block_height;
gint block_draw_width, block_draw_height;
GtkBorder block_margin;
cairo_rectangle_int_t block_area;
context = gtk_widget_get_style_context (widget);
gtk_level_bar_get_min_block_size (self, &block_width, &block_height);
block_area = *fill_area;
num_blocks = (gint) round (self->priv->max_value) - (gint) round (self->priv->min_value);
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
block_width = MAX (block_width, (gint) floor (block_area.width / num_blocks));
else
block_height = MAX (block_height, (gint) floor (block_area.height / num_blocks));
gtk_style_context_save_to_node (context, self->priv->block_node[0]);
gtk_style_context_get_margin (context, gtk_style_context_get_state (context), &block_margin);
gtk_style_context_restore (context);
block_draw_width = block_width - block_margin.left - block_margin.right;
block_draw_height = block_height - block_margin.top - block_margin.bottom;
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
block_draw_height = MAX (block_draw_height, block_area.height - block_margin.top - block_margin.bottom);
block_area.y += block_margin.top;
}
else
{
block_draw_width = MAX (block_draw_width, block_area.width - block_margin.left - block_margin.right);
block_area.x += block_margin.left;
}
for (i = 0; i < num_blocks; i++)
{
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
block_area.x += block_margin.left;
else
block_area.y += block_margin.top;
gtk_style_context_save_to_node (context, self->priv->block_node[i]);
gtk_render_background (context, cr,
block_area.x, block_area.y,
block_draw_width, block_draw_height);
gtk_render_frame (context, cr,
block_area.x, block_area.y,
block_draw_width, block_draw_height);
gtk_style_context_restore (context);
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
block_area.x += block_draw_width + block_margin.right;
else
block_area.y += block_draw_height + block_margin.bottom;
}
}
static void
gtk_level_bar_draw_fill_continuous (GtkLevelBar *self,
cairo_t *cr,
cairo_rectangle_int_t *fill_area)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkStyleContext *context;
cairo_rectangle_int_t base_area, block_area;
GtkBorder block_margin;
gdouble fill_percentage;
gboolean inverted;
inverted = self->priv->inverted;
if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL)
{
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
inverted = !inverted;
}
context = gtk_widget_get_style_context (widget);
/* render the empty (unfilled) part */
gtk_style_context_save_to_node (context, self->priv->block_node[inverted ? 0 : 1]);
gtk_style_context_get_margin (context, gtk_style_context_get_state (context), &block_margin);
base_area = *fill_area;
base_area.x += block_margin.left;
base_area.y += block_margin.top;
base_area.width -= block_margin.left + block_margin.right;
base_area.height -= block_margin.top + block_margin.bottom;
gtk_render_background (context, cr, base_area.x, base_area.y,
base_area.width, base_area.height);
gtk_render_frame (context, cr, base_area.x, base_area.y,
base_area.width, base_area.height);
gtk_style_context_restore (context);
/* now render the filled part on top of it */
block_area = base_area;
fill_percentage = (self->priv->cur_value - self->priv->min_value) /
(self->priv->max_value - self->priv->min_value);
if (self->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
block_area.width = (gint) floor (block_area.width * fill_percentage);
if (inverted)
block_area.x += base_area.width - block_area.width;
}
else
{
block_area.height = (gint) floor (block_area.height * fill_percentage);
if (inverted)
block_area.y += base_area.height - block_area.height;
}
gtk_style_context_save_to_node (context, self->priv->block_node[inverted ? 1 : 0]);
gtk_render_background (context, cr, block_area.x, block_area.y,
block_area.width, block_area.height);
gtk_render_frame (context, cr, block_area.x, block_area.y,
block_area.width, block_area.height);
gtk_style_context_restore (context);
}
static void
gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
cairo_t *cr)
{
GtkCheckMenuItemPrivate *priv = check_menu_item->priv;
GtkWidget *widget;
gint x, y;
widget = GTK_WIDGET (check_menu_item);
if (gtk_widget_is_drawable (widget))
{
GtkAllocation allocation;
GtkStyleContext *context;
guint border_width;
guint offset;
guint toggle_size;
guint toggle_spacing;
guint horizontal_padding;
guint indicator_size;
GtkStateFlags state;
GtkBorder padding;
context = gtk_widget_get_style_context (widget);
state = gtk_widget_get_state_flags (widget);
gtk_style_context_get_padding (context, state, &padding);
gtk_widget_get_allocation (widget, &allocation);
gtk_widget_style_get (widget,
"toggle-spacing", &toggle_spacing,
"horizontal-padding", &horizontal_padding,
"indicator-size", &indicator_size,
NULL);
toggle_size = GTK_MENU_ITEM (check_menu_item)->priv->toggle_size;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
offset = border_width + padding.left + 2;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
{
x = offset + horizontal_padding +
(toggle_size - toggle_spacing - indicator_size) / 2;
}
else
{
x = allocation.width -
offset - horizontal_padding - toggle_size + toggle_spacing +
(toggle_size - toggle_spacing - indicator_size) / 2;
}
y = (allocation.height - indicator_size) / 2;
gtk_style_context_save_to_node (context, priv->indicator_node);
if (priv->draw_as_radio)
gtk_render_option (context, cr, x, y,
indicator_size, indicator_size);
else
gtk_render_check (context, cr, x, y,
indicator_size, indicator_size);
gtk_style_context_restore (context);
}
}
