* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdlib.h>
+#include "config.h"
+
#include "gtkcellrenderertext.h"
+
+#include <stdlib.h>
+
+#include "gtkeditable.h"
+#include "gtkentry.h"
+#include "gtksizerequest.h"
+#include "gtkmarshalers.h"
#include "gtkintl.h"
+#include "gtkprivate.h"
+#include "gtktreeprivate.h"
+#include "a11y/gtktextcellaccessible.h"
+
+
+/**
+ * SECTION:gtkcellrenderertext
+ * @Short_description: Renders text in a cell
+ * @Title: GtkCellRendererText
+ *
+ * A #GtkCellRendererText renders a given text in its cell, using the font, color and
+ * style information provided by its properties. The text will be ellipsized if it is
+ * too long and the #GtkCellRendererText:ellipsize property allows it.
+ *
+ * If the #GtkCellRenderer:mode is %GTK_CELL_RENDERER_MODE_EDITABLE,
+ * the #GtkCellRendererText allows to edit its text using an entry.
+ */
-static void gtk_cell_renderer_text_init (GtkCellRendererText *celltext);
-static void gtk_cell_renderer_text_class_init (GtkCellRendererTextClass *class);
+
+static void gtk_cell_renderer_text_finalize (GObject *object);
static void gtk_cell_renderer_text_get_property (GObject *object,
guint param_id,
GValue *value,
- GParamSpec *pspec,
- const gchar *trailer);
+ GParamSpec *pspec);
static void gtk_cell_renderer_text_set_property (GObject *object,
guint param_id,
const GValue *value,
- GParamSpec *pspec,
- const gchar *trailer);
-static void gtk_cell_renderer_text_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- gint *width,
- gint *height);
+ GParamSpec *pspec);
static void gtk_cell_renderer_text_render (GtkCellRenderer *cell,
- GdkWindow *window,
+ cairo_t *cr,
GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags);
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags);
+
+static GtkCellEditable *gtk_cell_renderer_text_start_editing (GtkCellRenderer *cell,
+ GdkEvent *event,
+ GtkWidget *widget,
+ const gchar *path,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags);
+
+static void gtk_cell_renderer_text_get_preferred_width (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint *minimal_size,
+ gint *natural_size);
+static void gtk_cell_renderer_text_get_preferred_height (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint *minimal_size,
+ gint *natural_size);
+static void gtk_cell_renderer_text_get_preferred_height_for_width (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height);
+static void gtk_cell_renderer_text_get_aligned_area (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GtkCellRendererState flags,
+ const GdkRectangle *cell_area,
+ GdkRectangle *aligned_area);
+
+
+enum {
+ EDITED,
+ LAST_SIGNAL
+};
enum {
- PROP_ZERO,
+ PROP_0,
+
PROP_TEXT,
- PROP_FONT,
+ PROP_MARKUP,
+ PROP_ATTRIBUTES,
+ PROP_SINGLE_PARAGRAPH_MODE,
+ PROP_WIDTH_CHARS,
+ PROP_MAX_WIDTH_CHARS,
+ PROP_WRAP_WIDTH,
+ PROP_ALIGN,
+ PROP_PLACEHOLDER_TEXT,
+
+ /* Style args */
PROP_BACKGROUND,
- PROP_BACKGROUND_GDK,
PROP_FOREGROUND,
+ PROP_BACKGROUND_GDK,
PROP_FOREGROUND_GDK,
+ PROP_BACKGROUND_RGBA,
+ PROP_FOREGROUND_RGBA,
+ PROP_FONT,
+ PROP_FONT_DESC,
+ PROP_FAMILY,
+ PROP_STYLE,
+ PROP_VARIANT,
+ PROP_WEIGHT,
+ PROP_STRETCH,
+ PROP_SIZE,
+ PROP_SIZE_POINTS,
+ PROP_SCALE,
+ PROP_EDITABLE,
PROP_STRIKETHROUGH,
PROP_UNDERLINE,
- PROP_EDITABLE,
- PROP_ITALIC,
- PROP_BOLD
+ PROP_RISE,
+ PROP_LANGUAGE,
+ PROP_ELLIPSIZE,
+ PROP_WRAP_MODE,
+
+ /* Whether-a-style-arg-is-set args */
+ PROP_BACKGROUND_SET,
+ PROP_FOREGROUND_SET,
+ PROP_FAMILY_SET,
+ PROP_STYLE_SET,
+ PROP_VARIANT_SET,
+ PROP_WEIGHT_SET,
+ PROP_STRETCH_SET,
+ PROP_SIZE_SET,
+ PROP_SCALE_SET,
+ PROP_EDITABLE_SET,
+ PROP_STRIKETHROUGH_SET,
+ PROP_UNDERLINE_SET,
+ PROP_RISE_SET,
+ PROP_LANGUAGE_SET,
+ PROP_ELLIPSIZE_SET,
+ PROP_ALIGN_SET
};
-GtkType
-gtk_cell_renderer_text_get_type (void)
+static guint text_cell_renderer_signals [LAST_SIGNAL];
+
+#define GTK_CELL_RENDERER_TEXT_PATH "gtk-cell-renderer-text-path"
+
+struct _GtkCellRendererTextPrivate
{
- static GtkType cell_text_type = 0;
+ GtkWidget *entry;
- if (!cell_text_type)
- {
- static const GTypeInfo cell_text_info =
- {
- sizeof (GtkCellRendererTextClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_cell_renderer_text_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkCellRendererText),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gtk_cell_renderer_text_init,
- };
-
- cell_text_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererText", &cell_text_info, 0);
- }
+ PangoAttrList *extra_attrs;
+ GdkRGBA foreground;
+ GdkRGBA background;
+ PangoAlignment align;
+ PangoEllipsizeMode ellipsize;
+ PangoFontDescription *font;
+ PangoLanguage *language;
+ PangoUnderline underline_style;
+ PangoWrapMode wrap_mode;
- return cell_text_type;
-}
+ gchar *text;
+ gchar *placeholder_text;
+
+ gdouble font_scale;
+
+ gint rise;
+ gint fixed_height_rows;
+ gint width_chars;
+ gint max_width_chars;
+ gint wrap_width;
+
+ guint in_entry_menu : 1;
+ guint strikethrough : 1;
+ guint editable : 1;
+ guint scale_set : 1;
+ guint foreground_set : 1;
+ guint background_set : 1;
+ guint underline_set : 1;
+ guint rise_set : 1;
+ guint strikethrough_set : 1;
+ guint editable_set : 1;
+ guint calc_fixed_height : 1;
+ guint single_paragraph : 1;
+ guint language_set : 1;
+ guint markup_set : 1;
+ guint ellipsize_set : 1;
+ guint align_set : 1;
+
+ gulong focus_out_id;
+ gulong populate_popup_id;
+ gulong entry_menu_popdown_timeout;
+};
+
+G_DEFINE_TYPE (GtkCellRendererText, gtk_cell_renderer_text, GTK_TYPE_CELL_RENDERER)
static void
gtk_cell_renderer_text_init (GtkCellRendererText *celltext)
{
- celltext->attr_list = pango_attr_list_new ();
- GTK_CELL_RENDERER (celltext)->xalign = 0.0;
- GTK_CELL_RENDERER (celltext)->yalign = 0.5;
- GTK_CELL_RENDERER (celltext)->xpad = 2;
- GTK_CELL_RENDERER (celltext)->ypad = 2;
- celltext->underline = FALSE;
+ GtkCellRendererTextPrivate *priv;
+ GtkCellRenderer *cell = GTK_CELL_RENDERER (celltext);
+
+ celltext->priv = G_TYPE_INSTANCE_GET_PRIVATE (celltext,
+ GTK_TYPE_CELL_RENDERER_TEXT,
+ GtkCellRendererTextPrivate);
+ priv = celltext->priv;
+
+ gtk_cell_renderer_set_alignment (cell, 0.0, 0.5);
+ gtk_cell_renderer_set_padding (cell, 2, 2);
+ priv->font_scale = 1.0;
+ priv->fixed_height_rows = -1;
+ priv->font = pango_font_description_new ();
+
+ priv->width_chars = -1;
+ priv->max_width_chars = -1;
+ priv->wrap_width = -1;
+ priv->wrap_mode = PANGO_WRAP_CHAR;
+ priv->align = PANGO_ALIGN_LEFT;
+ priv->align_set = FALSE;
}
static void
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
+ object_class->finalize = gtk_cell_renderer_text_finalize;
+
object_class->get_property = gtk_cell_renderer_text_get_property;
object_class->set_property = gtk_cell_renderer_text_set_property;
- cell_class->get_size = gtk_cell_renderer_text_get_size;
cell_class->render = gtk_cell_renderer_text_render;
+ cell_class->start_editing = gtk_cell_renderer_text_start_editing;
+ cell_class->get_preferred_width = gtk_cell_renderer_text_get_preferred_width;
+ cell_class->get_preferred_height = gtk_cell_renderer_text_get_preferred_height;
+ cell_class->get_preferred_height_for_width = gtk_cell_renderer_text_get_preferred_height_for_width;
+ cell_class->get_aligned_area = gtk_cell_renderer_text_get_aligned_area;
+
+ g_object_class_install_property (object_class,
+ PROP_TEXT,
+ g_param_spec_string ("text",
+ P_("Text"),
+ P_("Text to render"),
+ NULL,
+ GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
- PROP_TEXT,
- g_param_spec_string ("text",
- _("Text String"),
- _("The text of the renderer."),
- "",
- G_PARAM_READABLE |
- G_PARAM_WRITABLE));
+ PROP_MARKUP,
+ g_param_spec_string ("markup",
+ P_("Markup"),
+ P_("Marked up text to render"),
+ NULL,
+ GTK_PARAM_WRITABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_ATTRIBUTES,
+ g_param_spec_boxed ("attributes",
+ P_("Attributes"),
+ P_("A list of style attributes to apply to the text of the renderer"),
+ PANGO_TYPE_ATTR_LIST,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SINGLE_PARAGRAPH_MODE,
+ g_param_spec_boolean ("single-paragraph-mode",
+ P_("Single Paragraph Mode"),
+ P_("Whether to keep all text in a single paragraph"),
+ FALSE,
+ GTK_PARAM_READWRITE));
+
g_object_class_install_property (object_class,
- PROP_FONT,
- g_param_spec_string ("font",
- _("Font String"),
- _("The string of the font."),
- "",
- G_PARAM_WRITABLE));
+ PROP_BACKGROUND,
+ g_param_spec_string ("background",
+ P_("Background color name"),
+ P_("Background color as a string"),
+ NULL,
+ GTK_PARAM_WRITABLE));
+
+ /**
+ * GtkCellRendererText:background-gdk:
+ *
+ * Background color as a #GdkColor
+ *
+ * Deprecated: 3.4: Use #GtkCellRendererText:background-rgba instead.
+ */
+ g_object_class_install_property (object_class,
+ PROP_BACKGROUND_GDK,
+ g_param_spec_boxed ("background-gdk",
+ P_("Background color"),
+ P_("Background color as a GdkColor"),
+ GDK_TYPE_COLOR,
+ GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
+
+ /**
+ * GtkCellRendererText:background-rgba:
+ *
+ * Background color as a #GdkRGBA
+ *
+ * Since: 3.0
+ */
+ g_object_class_install_property (object_class,
+ PROP_BACKGROUND_RGBA,
+ g_param_spec_boxed ("background-rgba",
+ P_("Background color as RGBA"),
+ P_("Background color as a GdkRGBA"),
+ GDK_TYPE_RGBA,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_FOREGROUND,
+ g_param_spec_string ("foreground",
+ P_("Foreground color name"),
+ P_("Foreground color as a string"),
+ NULL,
+ GTK_PARAM_WRITABLE));
+
+ /**
+ * GtkCellRendererText:foreground-gdk:
+ *
+ * Foreground color as a #GdkColor
+ *
+ * Deprecated: 3.4: Use #GtkCellRendererText:foreground-rgba instead.
+ */
+ g_object_class_install_property (object_class,
+ PROP_FOREGROUND_GDK,
+ g_param_spec_boxed ("foreground-gdk",
+ P_("Foreground color"),
+ P_("Foreground color as a GdkColor"),
+ GDK_TYPE_COLOR,
+ GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
+
+ /**
+ * GtkCellRendererText:foreground-rgba:
+ *
+ * Foreground color as a #GdkRGBA
+ *
+ * Since: 3.0
+ */
+ g_object_class_install_property (object_class,
+ PROP_FOREGROUND_RGBA,
+ g_param_spec_boxed ("foreground-rgba",
+ P_("Foreground color as RGBA"),
+ P_("Foreground color as a GdkRGBA"),
+ GDK_TYPE_RGBA,
+ GTK_PARAM_READWRITE));
+
+
+ g_object_class_install_property (object_class,
+ PROP_EDITABLE,
+ g_param_spec_boolean ("editable",
+ P_("Editable"),
+ P_("Whether the text can be modified by the user"),
+ FALSE,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_FONT,
+ g_param_spec_string ("font",
+ P_("Font"),
+ P_("Font description as a string, e.g. \"Sans Italic 12\""),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_FONT_DESC,
+ g_param_spec_boxed ("font-desc",
+ P_("Font"),
+ P_("Font description as a PangoFontDescription struct"),
+ PANGO_TYPE_FONT_DESCRIPTION,
+ GTK_PARAM_READWRITE));
+
g_object_class_install_property (object_class,
- PROP_BACKGROUND,
- g_param_spec_string ("background",
- _("Background Color string"),
- _("The color for the background of the text."),
- "white",
- G_PARAM_WRITABLE));
+ PROP_FAMILY,
+ g_param_spec_string ("family",
+ P_("Font family"),
+ P_("Name of the font family, e.g. Sans, Helvetica, Times, Monospace"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_STYLE,
+ g_param_spec_enum ("style",
+ P_("Font style"),
+ P_("Font style"),
+ PANGO_TYPE_STYLE,
+ PANGO_STYLE_NORMAL,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_VARIANT,
+ g_param_spec_enum ("variant",
+ P_("Font variant"),
+ P_("Font variant"),
+ PANGO_TYPE_VARIANT,
+ PANGO_VARIANT_NORMAL,
+ GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
- PROP_FOREGROUND,
- g_param_spec_string ("foreground",
- _("Foreground Color string"),
- _("The color for the background of the text."),
- "black",
- G_PARAM_WRITABLE));
+ PROP_WEIGHT,
+ g_param_spec_int ("weight",
+ P_("Font weight"),
+ P_("Font weight"),
+ 0,
+ G_MAXINT,
+ PANGO_WEIGHT_NORMAL,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_STRETCH,
+ g_param_spec_enum ("stretch",
+ P_("Font stretch"),
+ P_("Font stretch"),
+ PANGO_TYPE_STRETCH,
+ PANGO_STRETCH_NORMAL,
+ GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
- PROP_STRIKETHROUGH,
- g_param_spec_boolean ("strikethrough",
- _("Strikethrough"),
- _("Draw a line through the text."),
- FALSE,
- G_PARAM_READABLE |
- G_PARAM_WRITABLE));
+ PROP_SIZE,
+ g_param_spec_int ("size",
+ P_("Font size"),
+ P_("Font size"),
+ 0,
+ G_MAXINT,
+ 0,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SIZE_POINTS,
+ g_param_spec_double ("size-points",
+ P_("Font points"),
+ P_("Font size in points"),
+ 0.0,
+ G_MAXDOUBLE,
+ 0.0,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SCALE,
+ g_param_spec_double ("scale",
+ P_("Font scale"),
+ P_("Font scaling factor"),
+ 0.0,
+ G_MAXDOUBLE,
+ 1.0,
+ GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
- PROP_UNDERLINE,
- g_param_spec_boolean ("underline",
- _("Underline"),
- _("Underline the text."),
- FALSE,
- G_PARAM_READABLE |
- G_PARAM_WRITABLE));
+ PROP_RISE,
+ g_param_spec_int ("rise",
+ P_("Rise"),
+ P_("Offset of text above the baseline "
+ "(below the baseline if rise is negative)"),
+ -G_MAXINT,
+ G_MAXINT,
+ 0,
+ GTK_PARAM_READWRITE));
+
+
+ g_object_class_install_property (object_class,
+ PROP_STRIKETHROUGH,
+ g_param_spec_boolean ("strikethrough",
+ P_("Strikethrough"),
+ P_("Whether to strike through the text"),
+ FALSE,
+ GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
- PROP_EDITABLE,
- g_param_spec_boolean ("editable",
- _("Editable"),
- _("Make the text editable."),
- FALSE,
- G_PARAM_READABLE |
- G_PARAM_WRITABLE));
+ PROP_UNDERLINE,
+ g_param_spec_enum ("underline",
+ P_("Underline"),
+ P_("Style of underline for this text"),
+ PANGO_TYPE_UNDERLINE,
+ PANGO_UNDERLINE_NONE,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_LANGUAGE,
+ g_param_spec_string ("language",
+ P_("Language"),
+ P_("The language this text is in, as an ISO code. "
+ "Pango can use this as a hint when rendering the text. "
+ "If you don't understand this parameter, you probably don't need it"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+
+ /**
+ * GtkCellRendererText:ellipsize:
+ *
+ * Specifies the preferred place to ellipsize the string, if the cell renderer
+ * does not have enough room to display the entire string. Setting it to
+ * %PANGO_ELLIPSIZE_NONE turns off ellipsizing. See the wrap-width property
+ * for another way of making the text fit into a given width.
+ *
+ * Since: 2.6
+ */
+ g_object_class_install_property (object_class,
+ PROP_ELLIPSIZE,
+ g_param_spec_enum ("ellipsize",
+ P_("Ellipsize"),
+ P_("The preferred place to ellipsize the string, "
+ "if the cell renderer does not have enough room "
+ "to display the entire string"),
+ PANGO_TYPE_ELLIPSIZE_MODE,
+ PANGO_ELLIPSIZE_NONE,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkCellRendererText:width-chars:
+ *
+ * The desired width of the cell, in characters. If this property is set to
+ * -1, the width will be calculated automatically, otherwise the cell will
+ * request either 3 characters or the property value, whichever is greater.
+ *
+ * Since: 2.6
+ **/
+ g_object_class_install_property (object_class,
+ PROP_WIDTH_CHARS,
+ g_param_spec_int ("width-chars",
+ P_("Width In Characters"),
+ P_("The desired width of the label, in characters"),
+ -1,
+ G_MAXINT,
+ -1,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkCellRendererText:max-width-chars:
+ *
+ * The desired maximum width of the cell, in characters. If this property
+ * is set to -1, the width will be calculated automatically.
+ *
+ * For cell renderers that ellipsize or wrap text; this property
+ * controls the maximum reported width of the cell. The
+ * cell should not receive any greater allocation unless it is
+ * set to expand in its #GtkCellLayout and all of the cell's siblings
+ * have received their natural width.
+ *
+ * Since: 3.0
+ **/
g_object_class_install_property (object_class,
- PROP_ITALIC,
- g_param_spec_boolean ("italic",
- _("Italic"),
- _("Make the text italic."),
- FALSE,
- G_PARAM_WRITABLE));
+ PROP_MAX_WIDTH_CHARS,
+ g_param_spec_int ("max-width-chars",
+ P_("Maximum Width In Characters"),
+ P_("The maximum width of the cell, in characters"),
+ -1,
+ G_MAXINT,
+ -1,
+ GTK_PARAM_READWRITE));
+ /**
+ * GtkCellRendererText:wrap-mode:
+ *
+ * Specifies how to break the string into multiple lines, if the cell
+ * renderer does not have enough room to display the entire string.
+ * This property has no effect unless the wrap-width property is set.
+ *
+ * Since: 2.8
+ */
+ g_object_class_install_property (object_class,
+ PROP_WRAP_MODE,
+ g_param_spec_enum ("wrap-mode",
+ P_("Wrap mode"),
+ P_("How to break the string into multiple lines, "
+ "if the cell renderer does not have enough room "
+ "to display the entire string"),
+ PANGO_TYPE_WRAP_MODE,
+ PANGO_WRAP_CHAR,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkCellRendererText:wrap-width:
+ *
+ * Specifies the minimum width at which the text is wrapped. The wrap-mode property can
+ * be used to influence at what character positions the line breaks can be placed.
+ * Setting wrap-width to -1 turns wrapping off.
+ *
+ * Since: 2.8
+ */
+ g_object_class_install_property (object_class,
+ PROP_WRAP_WIDTH,
+ g_param_spec_int ("wrap-width",
+ P_("Wrap width"),
+ P_("The width at which the text is wrapped"),
+ -1,
+ G_MAXINT,
+ -1,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkCellRendererText:alignment:
+ *
+ * Specifies how to align the lines of text with respect to each other.
+ *
+ * Note that this property describes how to align the lines of text in
+ * case there are several of them. The "xalign" property of #GtkCellRenderer,
+ * on the other hand, sets the horizontal alignment of the whole text.
+ *
+ * Since: 2.10
+ */
+ g_object_class_install_property (object_class,
+ PROP_ALIGN,
+ g_param_spec_enum ("alignment",
+ P_("Alignment"),
+ P_("How to align the lines"),
+ PANGO_TYPE_ALIGNMENT,
+ PANGO_ALIGN_LEFT,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkCellRendererText:placeholder-text:
+ *
+ * The text that will be displayed in the #GtkCellRenderer if
+ * #GtkCellRendererText:editable is %TRUE and the cell is empty.
+ *
+ * Since 3.6
+ */
g_object_class_install_property (object_class,
- PROP_BOLD,
- g_param_spec_boolean ("bold",
- _("Bold"),
- _("Make the text bold."),
- FALSE,
- G_PARAM_WRITABLE));
+ PROP_PLACEHOLDER_TEXT,
+ g_param_spec_string ("placeholder-text",
+ P_("Placeholder text"),
+ P_("Text rendered when an editable cell is empty"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+
+ /* Style props are set or not */
+
+#define ADD_SET_PROP(propname, propval, nick, blurb) g_object_class_install_property (object_class, propval, g_param_spec_boolean (propname, nick, blurb, FALSE, GTK_PARAM_READWRITE))
+
+ ADD_SET_PROP ("background-set", PROP_BACKGROUND_SET,
+ P_("Background set"),
+ P_("Whether this tag affects the background color"));
+
+ ADD_SET_PROP ("foreground-set", PROP_FOREGROUND_SET,
+ P_("Foreground set"),
+ P_("Whether this tag affects the foreground color"));
+
+ ADD_SET_PROP ("editable-set", PROP_EDITABLE_SET,
+ P_("Editability set"),
+ P_("Whether this tag affects text editability"));
+
+ ADD_SET_PROP ("family-set", PROP_FAMILY_SET,
+ P_("Font family set"),
+ P_("Whether this tag affects the font family"));
+
+ ADD_SET_PROP ("style-set", PROP_STYLE_SET,
+ P_("Font style set"),
+ P_("Whether this tag affects the font style"));
+
+ ADD_SET_PROP ("variant-set", PROP_VARIANT_SET,
+ P_("Font variant set"),
+ P_("Whether this tag affects the font variant"));
+
+ ADD_SET_PROP ("weight-set", PROP_WEIGHT_SET,
+ P_("Font weight set"),
+ P_("Whether this tag affects the font weight"));
+
+ ADD_SET_PROP ("stretch-set", PROP_STRETCH_SET,
+ P_("Font stretch set"),
+ P_("Whether this tag affects the font stretch"));
+
+ ADD_SET_PROP ("size-set", PROP_SIZE_SET,
+ P_("Font size set"),
+ P_("Whether this tag affects the font size"));
+
+ ADD_SET_PROP ("scale-set", PROP_SCALE_SET,
+ P_("Font scale set"),
+ P_("Whether this tag scales the font size by a factor"));
+
+ ADD_SET_PROP ("rise-set", PROP_RISE_SET,
+ P_("Rise set"),
+ P_("Whether this tag affects the rise"));
+
+ ADD_SET_PROP ("strikethrough-set", PROP_STRIKETHROUGH_SET,
+ P_("Strikethrough set"),
+ P_("Whether this tag affects strikethrough"));
+
+ ADD_SET_PROP ("underline-set", PROP_UNDERLINE_SET,
+ P_("Underline set"),
+ P_("Whether this tag affects underlining"));
+
+ ADD_SET_PROP ("language-set", PROP_LANGUAGE_SET,
+ P_("Language set"),
+ P_("Whether this tag affects the language the text is rendered as"));
+
+ ADD_SET_PROP ("ellipsize-set", PROP_ELLIPSIZE_SET,
+ P_("Ellipsize set"),
+ P_("Whether this tag affects the ellipsize mode"));
+
+ ADD_SET_PROP ("align-set", PROP_ALIGN_SET,
+ P_("Align set"),
+ P_("Whether this tag affects the alignment mode"));
+
+ /**
+ * GtkCellRendererText::edited:
+ * @renderer: the object which received the signal
+ * @path: the path identifying the edited cell
+ * @new_text: the new text
+ *
+ * This signal is emitted after @renderer has been edited.
+ *
+ * It is the responsibility of the application to update the model
+ * and store @new_text at the position indicated by @path.
+ */
+ text_cell_renderer_signals [EDITED] =
+ g_signal_new (I_("edited"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkCellRendererTextClass, edited),
+ NULL, NULL,
+ _gtk_marshal_VOID__STRING_STRING,
+ G_TYPE_NONE, 2,
+ G_TYPE_STRING,
+ G_TYPE_STRING);
+
+ g_type_class_add_private (object_class, sizeof (GtkCellRendererTextPrivate));
+
+ gtk_cell_renderer_class_set_accessible_type (cell_class, GTK_TYPE_TEXT_CELL_ACCESSIBLE);
+}
+
+static void
+gtk_cell_renderer_text_finalize (GObject *object)
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+
+ pango_font_description_free (priv->font);
+
+ g_free (priv->text);
+ g_free (priv->placeholder_text);
+
+ if (priv->extra_attrs)
+ pango_attr_list_unref (priv->extra_attrs);
+
+ if (priv->language)
+ g_object_unref (priv->language);
+
+ g_clear_object (&priv->entry);
+
+ G_OBJECT_CLASS (gtk_cell_renderer_text_parent_class)->finalize (object);
+}
+
+static PangoFontMask
+get_property_font_set_mask (guint prop_id)
+{
+ switch (prop_id)
+ {
+ case PROP_FAMILY_SET:
+ return PANGO_FONT_MASK_FAMILY;
+ case PROP_STYLE_SET:
+ return PANGO_FONT_MASK_STYLE;
+ case PROP_VARIANT_SET:
+ return PANGO_FONT_MASK_VARIANT;
+ case PROP_WEIGHT_SET:
+ return PANGO_FONT_MASK_WEIGHT;
+ case PROP_STRETCH_SET:
+ return PANGO_FONT_MASK_STRETCH;
+ case PROP_SIZE_SET:
+ return PANGO_FONT_MASK_SIZE;
+ }
+
+ return 0;
}
static void
gtk_cell_renderer_text_get_property (GObject *object,
guint param_id,
GValue *value,
- GParamSpec *pspec,
- const gchar *trailer)
+ GParamSpec *pspec)
{
GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
- PangoAttrIterator *attr_iter;
- PangoAttribute *attr;
+ GtkCellRendererTextPrivate *priv = celltext->priv;
switch (param_id)
{
case PROP_TEXT:
- g_value_set_string (value, celltext->text);
+ g_value_set_string (value, priv->text);
break;
- case PROP_STRIKETHROUGH:
- attr_iter = pango_attr_list_get_iterator (celltext->attr_list);
- attr = pango_attr_iterator_get (attr_iter,
- PANGO_ATTR_STRIKETHROUGH);
- g_value_set_boolean (value, ((PangoAttrInt*) attr)->value);
- break;
- case PROP_UNDERLINE:
- g_value_set_boolean (value, celltext->underline);
+
+ case PROP_ATTRIBUTES:
+ g_value_set_boxed (value, priv->extra_attrs);
break;
- case PROP_EDITABLE:
- g_value_set_boolean (value, celltext->editable);
+
+ case PROP_SINGLE_PARAGRAPH_MODE:
+ g_value_set_boolean (value, priv->single_paragraph);
break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+
+ case PROP_BACKGROUND_GDK:
+ {
+ GdkColor color;
+
+ color.red = (guint16) (priv->background.red * 65535);
+ color.green = (guint16) (priv->background.green * 65535);
+ color.blue = (guint16) (priv->background.blue * 65535);
+
+ g_value_set_boxed (value, &color);
+ }
break;
- }
-}
+ case PROP_FOREGROUND_GDK:
+ {
+ GdkColor color;
-static void
-gtk_cell_renderer_text_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec,
- const gchar *trailer)
-{
- GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
+ color.red = (guint16) (priv->foreground.red * 65535);
+ color.green = (guint16) (priv->foreground.green * 65535);
+ color.blue = (guint16) (priv->foreground.blue * 65535);
- GdkColor color;
- PangoFontDescription *font_desc;
- gchar *string;
- PangoAttribute *attribute;
- gchar *font;
+ g_value_set_boxed (value, &color);
+ }
+ break;
- switch (param_id)
- {
- case PROP_TEXT:
- g_free (celltext->text);
- celltext->text = g_value_dup_string (value);
+ case PROP_BACKGROUND_RGBA:
+ g_value_set_boxed (value, &priv->background);
+ break;
+
+ case PROP_FOREGROUND_RGBA:
+ g_value_set_boxed (value, &priv->foreground);
break;
+
case PROP_FONT:
- font = g_value_get_string (value);
+ g_value_take_string (value, pango_font_description_to_string (priv->font));
+ break;
+
+ case PROP_FONT_DESC:
+ g_value_set_boxed (value, priv->font);
+ break;
- if (font)
- {
- font_desc = pango_font_description_from_string (font);
- attribute = pango_attr_font_desc_new (font_desc);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_font_description_free (font_desc);
- pango_attr_list_change (celltext->attr_list,
- attribute);
- }
+ case PROP_FAMILY:
+ g_value_set_string (value, pango_font_description_get_family (priv->font));
break;
- case PROP_BACKGROUND:
- string = g_value_get_string (value);
- if (string && gdk_color_parse (string, &color))
- {
- attribute = pango_attr_background_new (color.red,
- color.green,
- color.blue);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
- }
+
+ case PROP_STYLE:
+ g_value_set_enum (value, pango_font_description_get_style (priv->font));
break;
- case PROP_BACKGROUND_GDK:
+
+ case PROP_VARIANT:
+ g_value_set_enum (value, pango_font_description_get_variant (priv->font));
break;
- case PROP_FOREGROUND:
- string = g_value_get_string (value);
- if (string && gdk_color_parse (string, &color))
- {
- attribute = pango_attr_foreground_new (color.red,
- color.green,
- color.blue);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
- }
+
+ case PROP_WEIGHT:
+ g_value_set_int (value, pango_font_description_get_weight (priv->font));
break;
- case PROP_FOREGROUND_GDK:
+
+ case PROP_STRETCH:
+ g_value_set_enum (value, pango_font_description_get_stretch (priv->font));
+ break;
+
+ case PROP_SIZE:
+ g_value_set_int (value, pango_font_description_get_size (priv->font));
+ break;
+
+ case PROP_SIZE_POINTS:
+ g_value_set_double (value, ((double)pango_font_description_get_size (priv->font)) / (double)PANGO_SCALE);
+ break;
+
+ case PROP_SCALE:
+ g_value_set_double (value, priv->font_scale);
break;
+
+ case PROP_EDITABLE:
+ g_value_set_boolean (value, priv->editable);
+ break;
+
case PROP_STRIKETHROUGH:
- attribute = pango_attr_strikethrough_new (g_value_get_boolean (value));
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
+ g_value_set_boolean (value, priv->strikethrough);
break;
+
case PROP_UNDERLINE:
- celltext->underline = g_value_get_boolean (value);
- attribute = pango_attr_underline_new (celltext->underline ?
- PANGO_UNDERLINE_SINGLE :
- PANGO_UNDERLINE_NONE);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
+ g_value_set_enum (value, priv->underline_style);
break;
- case PROP_EDITABLE:
+
+ case PROP_RISE:
+ g_value_set_int (value, priv->rise);
+ break;
+
+ case PROP_LANGUAGE:
+ g_value_set_static_string (value, pango_language_to_string (priv->language));
break;
- case PROP_ITALIC:
- attribute = pango_attr_style_new (g_value_get_boolean (value) ?
- PANGO_STYLE_ITALIC :
- PANGO_STYLE_NORMAL);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
- break;
- case PROP_BOLD:
- attribute = pango_attr_weight_new (g_value_get_boolean (value) ?
- PANGO_WEIGHT_BOLD :
- PANGO_WEIGHT_NORMAL);
- attribute->start_index = 0;
- attribute->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list,
- attribute);
+
+ case PROP_ELLIPSIZE:
+ g_value_set_enum (value, priv->ellipsize);
break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+
+ case PROP_WRAP_MODE:
+ g_value_set_enum (value, priv->wrap_mode);
break;
- }
-}
-GtkCellRenderer *
-gtk_cell_renderer_text_new (void)
-{
- return GTK_CELL_RENDERER (gtk_type_new (gtk_cell_renderer_text_get_type ()));
-}
+ case PROP_WRAP_WIDTH:
+ g_value_set_int (value, priv->wrap_width);
+ break;
+
+ case PROP_ALIGN:
+ g_value_set_enum (value, priv->align);
+ break;
-static void
-gtk_cell_renderer_text_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- gint *width,
- gint *height)
-{
- GtkCellRendererText *celltext = (GtkCellRendererText *)cell;
- PangoRectangle rect;
- PangoLayout *layout;
- PangoAttribute *attr;
- PangoUnderline underline;
+ case PROP_BACKGROUND_SET:
+ g_value_set_boolean (value, priv->background_set);
+ break;
- layout = gtk_widget_create_pango_layout (widget, celltext->text);
- underline = celltext->underline ?
- PANGO_UNDERLINE_DOUBLE :
- PANGO_UNDERLINE_NONE;
+ case PROP_FOREGROUND_SET:
+ g_value_set_boolean (value, priv->foreground_set);
+ break;
- attr = pango_attr_underline_new (underline);
- attr->start_index = 0;
- attr->end_index = G_MAXINT;
+ case PROP_FAMILY_SET:
+ case PROP_STYLE_SET:
+ case PROP_VARIANT_SET:
+ case PROP_WEIGHT_SET:
+ case PROP_STRETCH_SET:
+ case PROP_SIZE_SET:
+ {
+ PangoFontMask mask = get_property_font_set_mask (param_id);
+ g_value_set_boolean (value, (pango_font_description_get_set_fields (priv->font) & mask) != 0);
+
+ break;
+ }
- pango_attr_list_change (celltext->attr_list, attr);
- pango_layout_set_attributes (layout, celltext->attr_list);
- pango_layout_set_width (layout, -1);
- pango_layout_get_pixel_extents (layout, NULL, &rect);
+ case PROP_SCALE_SET:
+ g_value_set_boolean (value, priv->scale_set);
+ break;
+
+ case PROP_EDITABLE_SET:
+ g_value_set_boolean (value, priv->editable_set);
+ break;
- if (width)
- *width = GTK_CELL_RENDERER (celltext)->xpad * 2 + rect.width;
+ case PROP_STRIKETHROUGH_SET:
+ g_value_set_boolean (value, priv->strikethrough_set);
+ break;
- if (height)
- *height = GTK_CELL_RENDERER (celltext)->ypad * 2 + rect.height;
+ case PROP_UNDERLINE_SET:
+ g_value_set_boolean (value, priv->underline_set);
+ break;
- g_object_unref (G_OBJECT (layout));
-}
+ case PROP_RISE_SET:
+ g_value_set_boolean (value, priv->rise_set);
+ break;
-static void
-gtk_cell_renderer_text_render (GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags)
+ case PROP_LANGUAGE_SET:
+ g_value_set_boolean (value, priv->language_set);
+ break;
-{
- GtkCellRendererText *celltext = (GtkCellRendererText *) cell;
- PangoRectangle rect;
- PangoLayout *layout;
- PangoAttribute *attr;
- PangoUnderline underline;
+ case PROP_ELLIPSIZE_SET:
+ g_value_set_boolean (value, priv->ellipsize_set);
+ break;
- gint real_xoffset;
- gint real_yoffset;
+ case PROP_ALIGN_SET:
+ g_value_set_boolean (value, priv->align_set);
+ break;
+
+ case PROP_WIDTH_CHARS:
+ g_value_set_int (value, priv->width_chars);
+ break;
- GdkGC *font_gc = NULL;
+ case PROP_MAX_WIDTH_CHARS:
+ g_value_set_int (value, priv->max_width_chars);
+ break;
- if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
- font_gc = widget->style->fg_gc [GTK_STATE_SELECTED];
- else
- font_gc = widget->style->fg_gc [GTK_STATE_NORMAL];
+ case PROP_PLACEHOLDER_TEXT:
+ g_value_set_string (value, priv->placeholder_text);
+ break;
- layout = gtk_widget_create_pango_layout (widget, celltext->text);
+ case PROP_BACKGROUND:
+ case PROP_FOREGROUND:
+ case PROP_MARKUP:
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
- if (celltext->underline)
- underline = PANGO_UNDERLINE_SINGLE;
- else
- underline = PANGO_UNDERLINE_NONE;
- attr = pango_attr_underline_new (underline);
- attr->start_index = 0;
- attr->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list, attr);
- pango_layout_set_attributes (layout, celltext->attr_list);
+static void
+set_bg_color (GtkCellRendererText *celltext,
+ GdkRGBA *rgba)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
- pango_layout_set_width (layout, -1);
- pango_layout_get_pixel_extents (layout, NULL, &rect);
+ if (rgba)
+ {
+ if (!priv->background_set)
+ {
+ priv->background_set = TRUE;
+ g_object_notify (G_OBJECT (celltext), "background-set");
+ }
- if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT)
- underline = (celltext->underline) ? PANGO_UNDERLINE_DOUBLE:PANGO_UNDERLINE_SINGLE;
+ priv->background = *rgba;
+ }
else
- underline = (celltext->underline) ? PANGO_UNDERLINE_SINGLE:PANGO_UNDERLINE_NONE;
+ {
+ if (priv->background_set)
+ {
+ priv->background_set = FALSE;
+ g_object_notify (G_OBJECT (celltext), "background-set");
+ }
+ }
+}
- attr = pango_attr_underline_new (underline);
- attr->start_index = 0;
- attr->end_index = G_MAXINT;
- pango_attr_list_change (celltext->attr_list, attr);
- pango_layout_set_attributes (layout, celltext->attr_list);
- gdk_gc_set_clip_rectangle (font_gc, cell_area);
+static void
+set_fg_color (GtkCellRendererText *celltext,
+ GdkRGBA *rgba)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+
+ if (rgba)
+ {
+ if (!priv->foreground_set)
+ {
+ priv->foreground_set = TRUE;
+ g_object_notify (G_OBJECT (celltext), "foreground-set");
+ }
- real_xoffset = cell->xalign * (cell_area->width - rect.width - (2 * cell->xpad));
- real_xoffset = MAX (real_xoffset, 0) + cell->xpad;
- real_yoffset = cell->yalign * (cell_area->height - rect.height - (2 * cell->ypad));
- real_yoffset = MAX (real_yoffset, 0) + cell->ypad;
+ priv->foreground = *rgba;
+ }
+ else
+ {
+ if (priv->foreground_set)
+ {
+ priv->foreground_set = FALSE;
+ g_object_notify (G_OBJECT (celltext), "foreground-set");
+ }
+ }
+}
+
+static PangoFontMask
+set_font_desc_fields (PangoFontDescription *desc,
+ PangoFontMask to_set)
+{
+ PangoFontMask changed_mask = 0;
+
+ if (to_set & PANGO_FONT_MASK_FAMILY)
+ {
+ const char *family = pango_font_description_get_family (desc);
+ if (!family)
+ {
+ family = "sans";
+ changed_mask |= PANGO_FONT_MASK_FAMILY;
+ }
+
+ pango_font_description_set_family (desc, family);
+ }
+ if (to_set & PANGO_FONT_MASK_STYLE)
+ pango_font_description_set_style (desc, pango_font_description_get_style (desc));
+ if (to_set & PANGO_FONT_MASK_VARIANT)
+ pango_font_description_set_variant (desc, pango_font_description_get_variant (desc));
+ if (to_set & PANGO_FONT_MASK_WEIGHT)
+ pango_font_description_set_weight (desc, pango_font_description_get_weight (desc));
+ if (to_set & PANGO_FONT_MASK_STRETCH)
+ pango_font_description_set_stretch (desc, pango_font_description_get_stretch (desc));
+ if (to_set & PANGO_FONT_MASK_SIZE)
+ {
+ gint size = pango_font_description_get_size (desc);
+ if (size <= 0)
+ {
+ size = 10 * PANGO_SCALE;
+ changed_mask |= PANGO_FONT_MASK_SIZE;
+ }
+
+ pango_font_description_set_size (desc, size);
+ }
+
+ return changed_mask;
+}
+
+static void
+notify_set_changed (GObject *object,
+ PangoFontMask changed_mask)
+{
+ if (changed_mask & PANGO_FONT_MASK_FAMILY)
+ g_object_notify (object, "family-set");
+ if (changed_mask & PANGO_FONT_MASK_STYLE)
+ g_object_notify (object, "style-set");
+ if (changed_mask & PANGO_FONT_MASK_VARIANT)
+ g_object_notify (object, "variant-set");
+ if (changed_mask & PANGO_FONT_MASK_WEIGHT)
+ g_object_notify (object, "weight-set");
+ if (changed_mask & PANGO_FONT_MASK_STRETCH)
+ g_object_notify (object, "stretch-set");
+ if (changed_mask & PANGO_FONT_MASK_SIZE)
+ g_object_notify (object, "size-set");
+}
+
+static void
+notify_fields_changed (GObject *object,
+ PangoFontMask changed_mask)
+{
+ if (changed_mask & PANGO_FONT_MASK_FAMILY)
+ g_object_notify (object, "family");
+ if (changed_mask & PANGO_FONT_MASK_STYLE)
+ g_object_notify (object, "style");
+ if (changed_mask & PANGO_FONT_MASK_VARIANT)
+ g_object_notify (object, "variant");
+ if (changed_mask & PANGO_FONT_MASK_WEIGHT)
+ g_object_notify (object, "weight");
+ if (changed_mask & PANGO_FONT_MASK_STRETCH)
+ g_object_notify (object, "stretch");
+ if (changed_mask & PANGO_FONT_MASK_SIZE)
+ g_object_notify (object, "size");
+}
+
+static void
+set_font_description (GtkCellRendererText *celltext,
+ PangoFontDescription *font_desc)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+ GObject *object = G_OBJECT (celltext);
+ PangoFontDescription *new_font_desc;
+ PangoFontMask old_mask, new_mask, changed_mask, set_changed_mask;
+
+ if (font_desc)
+ new_font_desc = pango_font_description_copy (font_desc);
+ else
+ new_font_desc = pango_font_description_new ();
+
+ old_mask = pango_font_description_get_set_fields (priv->font);
+ new_mask = pango_font_description_get_set_fields (new_font_desc);
+
+ changed_mask = old_mask | new_mask;
+ set_changed_mask = old_mask ^ new_mask;
+
+ pango_font_description_free (priv->font);
+ priv->font = new_font_desc;
+
+ g_object_freeze_notify (object);
+
+ g_object_notify (object, "font-desc");
+ g_object_notify (object, "font");
+
+ if (changed_mask & PANGO_FONT_MASK_FAMILY)
+ g_object_notify (object, "family");
+ if (changed_mask & PANGO_FONT_MASK_STYLE)
+ g_object_notify (object, "style");
+ if (changed_mask & PANGO_FONT_MASK_VARIANT)
+ g_object_notify (object, "variant");
+ if (changed_mask & PANGO_FONT_MASK_WEIGHT)
+ g_object_notify (object, "weight");
+ if (changed_mask & PANGO_FONT_MASK_STRETCH)
+ g_object_notify (object, "stretch");
+ if (changed_mask & PANGO_FONT_MASK_SIZE)
+ {
+ g_object_notify (object, "size");
+ g_object_notify (object, "size-points");
+ }
+
+ notify_set_changed (object, set_changed_mask);
+
+ g_object_thaw_notify (object);
+}
+
+static void
+gtk_cell_renderer_text_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+
+ switch (param_id)
+ {
+ case PROP_TEXT:
+ g_free (priv->text);
+
+ if (priv->markup_set)
+ {
+ if (priv->extra_attrs)
+ pango_attr_list_unref (priv->extra_attrs);
+ priv->extra_attrs = NULL;
+ priv->markup_set = FALSE;
+ }
+
+ priv->text = g_value_dup_string (value);
+ g_object_notify (object, "text");
+ break;
+
+ case PROP_ATTRIBUTES:
+ if (priv->extra_attrs)
+ pango_attr_list_unref (priv->extra_attrs);
+
+ priv->extra_attrs = g_value_get_boxed (value);
+ if (priv->extra_attrs)
+ pango_attr_list_ref (priv->extra_attrs);
+ break;
+ case PROP_MARKUP:
+ {
+ const gchar *str;
+ gchar *text = NULL;
+ GError *error = NULL;
+ PangoAttrList *attrs = NULL;
+
+ str = g_value_get_string (value);
+ if (str && !pango_parse_markup (str,
+ -1,
+ 0,
+ &attrs,
+ &text,
+ NULL,
+ &error))
+ {
+ g_warning ("Failed to set text from markup due to error parsing markup: %s",
+ error->message);
+ g_error_free (error);
+ return;
+ }
+
+ g_free (priv->text);
+
+ if (priv->extra_attrs)
+ pango_attr_list_unref (priv->extra_attrs);
+
+ priv->text = text;
+ priv->extra_attrs = attrs;
+ priv->markup_set = TRUE;
+ }
+ break;
+
+ case PROP_SINGLE_PARAGRAPH_MODE:
+ priv->single_paragraph = g_value_get_boolean (value);
+ break;
+
+ case PROP_BACKGROUND:
+ {
+ GdkRGBA rgba;
+
+ if (!g_value_get_string (value))
+ set_bg_color (celltext, NULL); /* reset to background_set to FALSE */
+ else if (gdk_rgba_parse (&rgba, g_value_get_string (value)))
+ set_bg_color (celltext, &rgba);
+ else
+ g_warning ("Don't know color `%s'", g_value_get_string (value));
+
+ g_object_notify (object, "background-gdk");
+ }
+ break;
+
+ case PROP_FOREGROUND:
+ {
+ GdkRGBA rgba;
+
+ if (!g_value_get_string (value))
+ set_fg_color (celltext, NULL); /* reset to foreground_set to FALSE */
+ else if (gdk_rgba_parse (&rgba, g_value_get_string (value)))
+ set_fg_color (celltext, &rgba);
+ else
+ g_warning ("Don't know color `%s'", g_value_get_string (value));
+
+ g_object_notify (object, "foreground-gdk");
+ }
+ break;
+
+ case PROP_BACKGROUND_GDK:
+ {
+ GdkColor *color;
+
+ color = g_value_get_boxed (value);
+ if (color)
+ {
+ GdkRGBA rgba;
+
+ rgba.red = color->red / 65535.;
+ rgba.green = color->green / 65535.;
+ rgba.blue = color->blue / 65535.;
+ rgba.alpha = 1;
+
+ set_bg_color (celltext, &rgba);
+ }
+ else
+ {
+ set_bg_color (celltext, NULL);
+ }
+ }
+ break;
+
+ case PROP_FOREGROUND_GDK:
+ {
+ GdkColor *color;
+
+ color = g_value_get_boxed (value);
+ if (color)
+ {
+ GdkRGBA rgba;
+
+ rgba.red = color->red / 65535.;
+ rgba.green = color->green / 65535.;
+ rgba.blue = color->blue / 65535.;
+ rgba.alpha = 1;
+
+ set_fg_color (celltext, &rgba);
+ }
+ else
+ {
+ set_fg_color (celltext, NULL);
+ }
+ }
+ break;
+
+ case PROP_BACKGROUND_RGBA:
+ /* This notifies the GObject itself. */
+ set_bg_color (celltext, g_value_get_boxed (value));
+ break;
+
+ case PROP_FOREGROUND_RGBA:
+ /* This notifies the GObject itself. */
+ set_fg_color (celltext, g_value_get_boxed (value));
+ break;
+
+ case PROP_FONT:
+ {
+ PangoFontDescription *font_desc = NULL;
+ const gchar *name;
+
+ name = g_value_get_string (value);
+
+ if (name)
+ font_desc = pango_font_description_from_string (name);
+
+ set_font_description (celltext, font_desc);
+
+ pango_font_description_free (font_desc);
+
+ if (priv->fixed_height_rows != -1)
+ priv->calc_fixed_height = TRUE;
+ }
+ break;
+
+ case PROP_FONT_DESC:
+ set_font_description (celltext, g_value_get_boxed (value));
+
+ if (priv->fixed_height_rows != -1)
+ priv->calc_fixed_height = TRUE;
+ break;
+
+ case PROP_FAMILY:
+ case PROP_STYLE:
+ case PROP_VARIANT:
+ case PROP_WEIGHT:
+ case PROP_STRETCH:
+ case PROP_SIZE:
+ case PROP_SIZE_POINTS:
+ {
+ PangoFontMask old_set_mask = pango_font_description_get_set_fields (priv->font);
+
+ switch (param_id)
+ {
+ case PROP_FAMILY:
+ pango_font_description_set_family (priv->font,
+ g_value_get_string (value));
+ break;
+ case PROP_STYLE:
+ pango_font_description_set_style (priv->font,
+ g_value_get_enum (value));
+ break;
+ case PROP_VARIANT:
+ pango_font_description_set_variant (priv->font,
+ g_value_get_enum (value));
+ break;
+ case PROP_WEIGHT:
+ pango_font_description_set_weight (priv->font,
+ g_value_get_int (value));
+ break;
+ case PROP_STRETCH:
+ pango_font_description_set_stretch (priv->font,
+ g_value_get_enum (value));
+ break;
+ case PROP_SIZE:
+ pango_font_description_set_size (priv->font,
+ g_value_get_int (value));
+ g_object_notify (object, "size-points");
+ break;
+ case PROP_SIZE_POINTS:
+ pango_font_description_set_size (priv->font,
+ g_value_get_double (value) * PANGO_SCALE);
+ g_object_notify (object, "size");
+ break;
+ }
+
+ if (priv->fixed_height_rows != -1)
+ priv->calc_fixed_height = TRUE;
+
+ notify_set_changed (object, old_set_mask & pango_font_description_get_set_fields (priv->font));
+ g_object_notify (object, "font-desc");
+ g_object_notify (object, "font");
+
+ break;
+ }
+
+ case PROP_SCALE:
+ priv->font_scale = g_value_get_double (value);
+ priv->scale_set = TRUE;
+ if (priv->fixed_height_rows != -1)
+ priv->calc_fixed_height = TRUE;
+ g_object_notify (object, "scale-set");
+ break;
+
+ case PROP_EDITABLE:
+ priv->editable = g_value_get_boolean (value);
+ priv->editable_set = TRUE;
+ if (priv->editable)
+ g_object_set (celltext, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
+ else
+ g_object_set (celltext, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);
+ g_object_notify (object, "editable-set");
+ break;
+
+ case PROP_STRIKETHROUGH:
+ priv->strikethrough = g_value_get_boolean (value);
+ priv->strikethrough_set = TRUE;
+ g_object_notify (object, "strikethrough-set");
+ break;
+
+ case PROP_UNDERLINE:
+ priv->underline_style = g_value_get_enum (value);
+ priv->underline_set = TRUE;
+ g_object_notify (object, "underline-set");
+
+ break;
+
+ case PROP_RISE:
+ priv->rise = g_value_get_int (value);
+ priv->rise_set = TRUE;
+ g_object_notify (object, "rise-set");
+ if (priv->fixed_height_rows != -1)
+ priv->calc_fixed_height = TRUE;
+ break;
+
+ case PROP_LANGUAGE:
+ priv->language_set = TRUE;
+ if (priv->language)
+ g_object_unref (priv->language);
+ priv->language = pango_language_from_string (g_value_get_string (value));
+ g_object_notify (object, "language-set");
+ break;
+
+ case PROP_ELLIPSIZE:
+ priv->ellipsize = g_value_get_enum (value);
+ priv->ellipsize_set = TRUE;
+ g_object_notify (object, "ellipsize-set");
+ break;
+
+ case PROP_WRAP_MODE:
+ priv->wrap_mode = g_value_get_enum (value);
+ break;
+
+ case PROP_WRAP_WIDTH:
+ priv->wrap_width = g_value_get_int (value);
+ break;
+
+ case PROP_WIDTH_CHARS:
+ priv->width_chars = g_value_get_int (value);
+ break;
+
+ case PROP_MAX_WIDTH_CHARS:
+ priv->max_width_chars = g_value_get_int (value);
+ break;
+
+ case PROP_ALIGN:
+ priv->align = g_value_get_enum (value);
+ priv->align_set = TRUE;
+ g_object_notify (object, "align-set");
+ break;
+
+ case PROP_BACKGROUND_SET:
+ priv->background_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_FOREGROUND_SET:
+ priv->foreground_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_FAMILY_SET:
+ case PROP_STYLE_SET:
+ case PROP_VARIANT_SET:
+ case PROP_WEIGHT_SET:
+ case PROP_STRETCH_SET:
+ case PROP_SIZE_SET:
+ if (!g_value_get_boolean (value))
+ {
+ pango_font_description_unset_fields (priv->font,
+ get_property_font_set_mask (param_id));
+ }
+ else
+ {
+ PangoFontMask changed_mask;
+
+ changed_mask = set_font_desc_fields (priv->font,
+ get_property_font_set_mask (param_id));
+ notify_fields_changed (G_OBJECT (celltext), changed_mask);
+ }
+ break;
+
+ case PROP_SCALE_SET:
+ priv->scale_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_EDITABLE_SET:
+ priv->editable_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_STRIKETHROUGH_SET:
+ priv->strikethrough_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_UNDERLINE_SET:
+ priv->underline_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_RISE_SET:
+ priv->rise_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_LANGUAGE_SET:
+ priv->language_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_ELLIPSIZE_SET:
+ priv->ellipsize_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_ALIGN_SET:
+ priv->align_set = g_value_get_boolean (value);
+ break;
+
+ case PROP_PLACEHOLDER_TEXT:
+ g_free (priv->placeholder_text);
+ priv->placeholder_text = g_value_dup_string (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+/**
+ * gtk_cell_renderer_text_new:
+ *
+ * Creates a new #GtkCellRendererText. Adjust how text is drawn using
+ * object properties. Object properties can be
+ * set globally (with g_object_set()). Also, with #GtkTreeViewColumn,
+ * you can bind a property to a value in a #GtkTreeModel. For example,
+ * you can bind the "text" property on the cell renderer to a string
+ * value in the model, thus rendering a different string in each row
+ * of the #GtkTreeView
+ *
+ * Return value: the new cell renderer
+ **/
+GtkCellRenderer *
+gtk_cell_renderer_text_new (void)
+{
+ return g_object_new (GTK_TYPE_CELL_RENDERER_TEXT, NULL);
+}
+
+static inline gboolean
+show_placeholder_text (GtkCellRendererText *celltext)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+
+ return priv->editable && priv->placeholder_text &&
+ (!priv->text || !priv->text[0]);
+}
+
+static void
+add_attr (PangoAttrList *attr_list,
+ PangoAttribute *attr)
+{
+ attr->start_index = 0;
+ attr->end_index = G_MAXINT;
+
+ pango_attr_list_insert (attr_list, attr);
+}
+
+static PangoLayout*
+get_layout (GtkCellRendererText *celltext,
+ GtkWidget *widget,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+ PangoAttrList *attr_list;
+ PangoLayout *layout;
+ PangoUnderline uline;
+ gint xpad;
+ gboolean placeholder_layout = show_placeholder_text (celltext);
+
+ layout = gtk_widget_create_pango_layout (widget, placeholder_layout ?
+ priv->placeholder_text : priv->text);
+
+ gtk_cell_renderer_get_padding (GTK_CELL_RENDERER (celltext), &xpad, NULL);
+
+ if (priv->extra_attrs)
+ attr_list = pango_attr_list_copy (priv->extra_attrs);
+ else
+ attr_list = pango_attr_list_new ();
+
+ pango_layout_set_single_paragraph_mode (layout, priv->single_paragraph);
+
+ if (!placeholder_layout && cell_area)
+ {
+ /* Add options that affect appearance but not size */
+
+ /* note that background doesn't go here, since it affects
+ * background_area not the PangoLayout area
+ */
+
+ if (priv->foreground_set
+ && (flags & GTK_CELL_RENDERER_SELECTED) == 0)
+ {
+ PangoColor color;
+
+ color.red = (guint16) (priv->foreground.red * 65535);
+ color.green = (guint16) (priv->foreground.green * 65535);
+ color.blue = (guint16) (priv->foreground.blue * 65535);
+
+ add_attr (attr_list,
+ pango_attr_foreground_new (color.red, color.green, color.blue));
+ }
+
+ if (priv->strikethrough_set)
+ add_attr (attr_list,
+ pango_attr_strikethrough_new (priv->strikethrough));
+ }
+ else if (placeholder_layout)
+ {
+ PangoColor color;
+ GtkStyleContext *context;
+ GdkRGBA fg = { 0.5, 0.5, 0.5 };
+
+ context = gtk_widget_get_style_context (widget);
+ gtk_style_context_lookup_color (context, "placeholder_text_color", &fg);
+
+ color.red = CLAMP (fg.red * 65535. + 0.5, 0, 65535);
+ color.green = CLAMP (fg.green * 65535. + 0.5, 0, 65535);
+ color.blue = CLAMP (fg.blue * 65535. + 0.5, 0, 65535);
+
+ add_attr (attr_list,
+ pango_attr_foreground_new (color.red, color.green, color.blue));
+ }
+
+ add_attr (attr_list, pango_attr_font_desc_new (priv->font));
+
+ if (priv->scale_set &&
+ priv->font_scale != 1.0)
+ add_attr (attr_list, pango_attr_scale_new (priv->font_scale));
+
+ if (priv->underline_set)
+ uline = priv->underline_style;
+ else
+ uline = PANGO_UNDERLINE_NONE;
+
+ if (priv->language_set)
+ add_attr (attr_list, pango_attr_language_new (priv->language));
+
+ if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT)
+ {
+ switch (uline)
+ {
+ case PANGO_UNDERLINE_NONE:
+ uline = PANGO_UNDERLINE_SINGLE;
+ break;
+
+ case PANGO_UNDERLINE_SINGLE:
+ uline = PANGO_UNDERLINE_DOUBLE;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (uline != PANGO_UNDERLINE_NONE)
+ add_attr (attr_list, pango_attr_underline_new (priv->underline_style));
+
+ if (priv->rise_set)
+ add_attr (attr_list, pango_attr_rise_new (priv->rise));
+
+ /* Now apply the attributes as they will effect the outcome
+ * of pango_layout_get_extents() */
+ pango_layout_set_attributes (layout, attr_list);
+ pango_attr_list_unref (attr_list);
+
+ if (priv->ellipsize_set)
+ pango_layout_set_ellipsize (layout, priv->ellipsize);
+ else
+ pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
+
+ if (priv->wrap_width != -1)
+ {
+ PangoRectangle rect;
+ gint width, text_width;
+
+ pango_layout_get_extents (layout, NULL, &rect);
+ text_width = rect.width;
+
+ if (cell_area)
+ width = (cell_area->width - xpad * 2) * PANGO_SCALE;
+ else
+ width = priv->wrap_width * PANGO_SCALE;
+
+ width = MIN (width, text_width);
+
+ pango_layout_set_width (layout, width);
+ pango_layout_set_wrap (layout, priv->wrap_mode);
+ }
+ else
+ {
+ pango_layout_set_width (layout, -1);
+ pango_layout_set_wrap (layout, PANGO_WRAP_CHAR);
+ }
+
+ if (priv->align_set)
+ pango_layout_set_alignment (layout, priv->align);
+ else
+ {
+ PangoAlignment align;
+
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ align = PANGO_ALIGN_RIGHT;
+ else
+ align = PANGO_ALIGN_LEFT;
+
+ pango_layout_set_alignment (layout, align);
+ }
+
+ return layout;
+}
+
+
+static void
+get_size (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ const GdkRectangle *cell_area,
+ PangoLayout *layout,
+ gint *x_offset,
+ gint *y_offset,
+ gint *width,
+ gint *height)
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+ PangoRectangle rect;
+ gint xpad, ypad;
+ gint cell_width, cell_height;
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ if (priv->calc_fixed_height)
+ {
+ GtkStyleContext *style_context;
+ GtkStateFlags state;
+ PangoContext *context;
+ PangoFontMetrics *metrics;
+ PangoFontDescription *font_desc;
+ gint row_height;
+
+ style_context = gtk_widget_get_style_context (widget);
+ state = gtk_widget_get_state_flags (widget);
+
+ gtk_style_context_get (style_context, state, "font", &font_desc, NULL);
+ pango_font_description_merge_static (font_desc, priv->font, TRUE);
+
+ if (priv->scale_set)
+ pango_font_description_set_size (font_desc,
+ priv->font_scale * pango_font_description_get_size (font_desc));
+
+ context = gtk_widget_get_pango_context (widget);
+
+ metrics = pango_context_get_metrics (context,
+ font_desc,
+ pango_context_get_language (context));
+ row_height = (pango_font_metrics_get_ascent (metrics) +
+ pango_font_metrics_get_descent (metrics));
+ pango_font_metrics_unref (metrics);
+
+ pango_font_description_free (font_desc);
+
+ gtk_cell_renderer_get_fixed_size (cell, &cell_width, &cell_height);
+
+ gtk_cell_renderer_set_fixed_size (cell,
+ cell_width, 2 * ypad +
+ priv->fixed_height_rows * PANGO_PIXELS (row_height));
+
+ if (height)
+ {
+ *height = cell_height;
+ height = NULL;
+ }
+ priv->calc_fixed_height = FALSE;
+ if (width == NULL)
+ return;
+ }
+
+ if (layout)
+ g_object_ref (layout);
+ else
+ layout = get_layout (celltext, widget, NULL, 0);
+
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
+
+ if (cell_area)
+ {
+ gfloat xalign, yalign;
+
+ gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
+
+ rect.height = MIN (rect.height, cell_area->height - 2 * ypad);
+ rect.width = MIN (rect.width, cell_area->width - 2 * xpad);
+
+ if (x_offset)
+ {
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ *x_offset = (1.0 - xalign) * (cell_area->width - (rect.width + (2 * xpad)));
+ else
+ *x_offset = xalign * (cell_area->width - (rect.width + (2 * xpad)));
+
+ if ((priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE) || priv->wrap_width != -1)
+ *x_offset = MAX(*x_offset, 0);
+ }
+ if (y_offset)
+ {
+ *y_offset = yalign * (cell_area->height - (rect.height + (2 * ypad)));
+ *y_offset = MAX (*y_offset, 0);
+ }
+ }
+ else
+ {
+ if (x_offset) *x_offset = 0;
+ if (y_offset) *y_offset = 0;
+ }
+
+ if (height)
+ *height = ypad * 2 + rect.height;
+
+ if (width)
+ *width = xpad * 2 + rect.width;
+
+ g_object_unref (layout);
+}
+
+static void
+gtk_cell_renderer_text_render (GtkCellRenderer *cell,
+ cairo_t *cr,
+ GtkWidget *widget,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags)
+
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+ GtkStyleContext *context;
+ PangoLayout *layout;
+ gint x_offset = 0;
+ gint y_offset = 0;
+ gint xpad, ypad;
+ PangoRectangle rect;
+
+ layout = get_layout (celltext, widget, cell_area, flags);
+ get_size (cell, widget, cell_area, layout, &x_offset, &y_offset, NULL, NULL);
+ context = gtk_widget_get_style_context (widget);
+
+ if (priv->background_set && (flags & GTK_CELL_RENDERER_SELECTED) == 0)
+ {
+ gdk_cairo_rectangle (cr, background_area);
+ gdk_cairo_set_source_rgba (cr, &priv->background);
+ cairo_fill (cr);
+ }
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ if (priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE)
+ pango_layout_set_width (layout,
+ (cell_area->width - x_offset - 2 * xpad) * PANGO_SCALE);
+ else if (priv->wrap_width == -1)
+ pango_layout_set_width (layout, -1);
+
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
+ x_offset = x_offset - rect.x;
+
+ cairo_save (cr);
+
+ gdk_cairo_rectangle (cr, cell_area);
+ cairo_clip (cr);
+
+ gtk_render_layout (context, cr,
+ cell_area->x + x_offset + xpad,
+ cell_area->y + y_offset + ypad,
+ layout);
+
+ cairo_restore (cr);
+
+ g_object_unref (layout);
+}
+
+static void
+gtk_cell_renderer_text_editing_done (GtkCellEditable *entry,
+ gpointer data)
+{
+ GtkCellRendererTextPrivate *priv;
+ const gchar *path;
+ const gchar *new_text;
+ gboolean canceled;
+
+ priv = GTK_CELL_RENDERER_TEXT (data)->priv;
+
+ g_clear_object (&priv->entry);
+
+ if (priv->focus_out_id > 0)
+ {
+ g_signal_handler_disconnect (entry, priv->focus_out_id);
+ priv->focus_out_id = 0;
+ }
+
+ if (priv->populate_popup_id > 0)
+ {
+ g_signal_handler_disconnect (entry, priv->populate_popup_id);
+ priv->populate_popup_id = 0;
+ }
+
+ if (priv->entry_menu_popdown_timeout)
+ {
+ g_source_remove (priv->entry_menu_popdown_timeout);
+ priv->entry_menu_popdown_timeout = 0;
+ }
+
+ g_object_get (entry,
+ "editing-canceled", &canceled,
+ NULL);
+ gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (data), canceled);
+
+ if (canceled)
+ return;
+
+ path = g_object_get_data (G_OBJECT (entry), GTK_CELL_RENDERER_TEXT_PATH);
+ new_text = gtk_entry_get_text (GTK_ENTRY (entry));
+
+ g_signal_emit (data, text_cell_renderer_signals[EDITED], 0, path, new_text);
+}
+
+static gboolean
+popdown_timeout (gpointer data)
+{
+ GtkCellRendererTextPrivate *priv;
+
+ priv = GTK_CELL_RENDERER_TEXT (data)->priv;
+
+ priv->entry_menu_popdown_timeout = 0;
+
+ if (!gtk_widget_has_focus (priv->entry))
+ gtk_cell_renderer_text_editing_done (GTK_CELL_EDITABLE (priv->entry), data);
+
+ return FALSE;
+}
+
+static void
+gtk_cell_renderer_text_popup_unmap (GtkMenu *menu,
+ gpointer data)
+{
+ GtkCellRendererTextPrivate *priv;
+
+ priv = GTK_CELL_RENDERER_TEXT (data)->priv;
+
+ priv->in_entry_menu = FALSE;
+
+ if (priv->entry_menu_popdown_timeout)
+ return;
+
+ priv->entry_menu_popdown_timeout = gdk_threads_add_timeout (500, popdown_timeout,
+ data);
+}
+
+static void
+gtk_cell_renderer_text_populate_popup (GtkEntry *entry,
+ GtkMenu *menu,
+ gpointer data)
+{
+ GtkCellRendererTextPrivate *priv;
+
+ priv = GTK_CELL_RENDERER_TEXT (data)->priv;
+
+ if (priv->entry_menu_popdown_timeout)
+ {
+ g_source_remove (priv->entry_menu_popdown_timeout);
+ priv->entry_menu_popdown_timeout = 0;
+ }
+
+ priv->in_entry_menu = TRUE;
+
+ g_signal_connect (menu, "unmap",
+ G_CALLBACK (gtk_cell_renderer_text_popup_unmap), data);
+}
+
+static gboolean
+gtk_cell_renderer_text_focus_out_event (GtkWidget *entry,
+ GdkEvent *event,
+ gpointer data)
+{
+ GtkCellRendererTextPrivate *priv;
+
+ priv = GTK_CELL_RENDERER_TEXT (data)->priv;
+
+ if (priv->in_entry_menu)
+ return FALSE;
+
+ g_object_set (entry,
+ "editing-canceled", TRUE,
+ NULL);
+ gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (entry));
+ gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (entry));
+
+ /* entry needs focus-out-event */
+ return FALSE;
+}
+
+static GtkCellEditable *
+gtk_cell_renderer_text_start_editing (GtkCellRenderer *cell,
+ GdkEvent *event,
+ GtkWidget *widget,
+ const gchar *path,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags)
+{
+ GtkCellRendererText *celltext;
+ GtkCellRendererTextPrivate *priv;
+ gfloat xalign, yalign;
+
+ celltext = GTK_CELL_RENDERER_TEXT (cell);
+ priv = celltext->priv;
+
+ /* If the cell isn't editable we return NULL. */
+ if (priv->editable == FALSE)
+ return NULL;
+
+ gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
+
+ priv->entry = gtk_entry_new ();
+ g_object_ref_sink (G_OBJECT (priv->entry));
+
+ gtk_entry_set_has_frame (GTK_ENTRY (priv->entry), FALSE);
+ gtk_entry_set_alignment (GTK_ENTRY (priv->entry), xalign);
+
+ if (priv->text)
+ gtk_entry_set_text (GTK_ENTRY (priv->entry), priv->text);
+ g_object_set_data_full (G_OBJECT (priv->entry), I_(GTK_CELL_RENDERER_TEXT_PATH), g_strdup (path), g_free);
+
+ gtk_editable_select_region (GTK_EDITABLE (priv->entry), 0, -1);
+
+ priv->in_entry_menu = FALSE;
+ if (priv->entry_menu_popdown_timeout)
+ {
+ g_source_remove (priv->entry_menu_popdown_timeout);
+ priv->entry_menu_popdown_timeout = 0;
+ }
+
+ g_signal_connect (priv->entry,
+ "editing-done",
+ G_CALLBACK (gtk_cell_renderer_text_editing_done),
+ celltext);
+ priv->focus_out_id = g_signal_connect_after (priv->entry, "focus-out-event",
+ G_CALLBACK (gtk_cell_renderer_text_focus_out_event),
+ celltext);
+ priv->populate_popup_id =
+ g_signal_connect (priv->entry, "populate-popup",
+ G_CALLBACK (gtk_cell_renderer_text_populate_popup),
+ celltext);
+
+ gtk_widget_show (priv->entry);
+
+ return GTK_CELL_EDITABLE (priv->entry);
+}
+
+/**
+ * gtk_cell_renderer_text_set_fixed_height_from_font:
+ * @renderer: A #GtkCellRendererText
+ * @number_of_rows: Number of rows of text each cell renderer is allocated, or -1
+ *
+ * Sets the height of a renderer to explicitly be determined by the "font" and
+ * "y_pad" property set on it. Further changes in these properties do not
+ * affect the height, so they must be accompanied by a subsequent call to this
+ * function. Using this function is unflexible, and should really only be used
+ * if calculating the size of a cell is too slow (ie, a massive number of cells
+ * displayed). If @number_of_rows is -1, then the fixed height is unset, and
+ * the height is determined by the properties again.
+ **/
+void
+gtk_cell_renderer_text_set_fixed_height_from_font (GtkCellRendererText *renderer,
+ gint number_of_rows)
+{
+ GtkCellRendererTextPrivate *priv;
+ GtkCellRenderer *cell;
+
+ g_return_if_fail (GTK_IS_CELL_RENDERER_TEXT (renderer));
+ g_return_if_fail (number_of_rows == -1 || number_of_rows > 0);
+
+ cell = GTK_CELL_RENDERER (renderer);
+ priv = renderer->priv;
+
+ if (number_of_rows == -1)
+ {
+ gint width, height;
+
+ gtk_cell_renderer_get_fixed_size (cell, &width, &height);
+ gtk_cell_renderer_set_fixed_size (cell, width, -1);
+ }
+ else
+ {
+ priv->fixed_height_rows = number_of_rows;
+ priv->calc_fixed_height = TRUE;
+ }
+}
+
+static void
+gtk_cell_renderer_text_get_preferred_width (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ GtkCellRendererTextPrivate *priv;
+ GtkCellRendererText *celltext;
+ PangoLayout *layout;
+ PangoContext *context;
+ PangoFontMetrics *metrics;
+ PangoRectangle rect;
+ gint char_width, text_width, ellipsize_chars, xpad;
+ gint min_width, nat_width;
+
+ /* "width-chars" Hard-coded minimum width:
+ * - minimum size should be MAX (width-chars, strlen ("..."));
+ * - natural size should be MAX (width-chars, strlen (label->text));
+ *
+ * "wrap-width" User specified natural wrap width
+ * - minimum size should be MAX (width-chars, 0)
+ * - natural size should be MIN (wrap-width, strlen (label->text))
+ */
+
+ celltext = GTK_CELL_RENDERER_TEXT (cell);
+ priv = celltext->priv;
+
+ gtk_cell_renderer_get_padding (cell, &xpad, NULL);
+
+ layout = get_layout (celltext, widget, NULL, 0);
+
+ /* Fetch the length of the complete unwrapped text */
+ pango_layout_set_width (layout, -1);
+ pango_layout_get_extents (layout, NULL, &rect);
+ text_width = rect.width;
+
+ /* Fetch the average size of a charachter */
+ context = pango_layout_get_context (layout);
+ metrics = pango_context_get_metrics (context,
+ pango_context_get_font_description (context),
+ pango_context_get_language (context));
+
+ char_width = pango_font_metrics_get_approximate_char_width (metrics);
+
+ pango_font_metrics_unref (metrics);
+ g_object_unref (layout);
+
+ /* enforce minimum width for ellipsized labels at ~3 chars */
+ if (priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE)
+ ellipsize_chars = 3;
+ else
+ ellipsize_chars = 0;
+
+ if ((priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE) || priv->width_chars > 0)
+ min_width = xpad * 2 +
+ MIN (PANGO_PIXELS_CEIL (text_width),
+ (PANGO_PIXELS (char_width) * MAX (priv->width_chars, ellipsize_chars)));
+ /* If no width-chars set, minimum for wrapping text will be the wrap-width */
+ else if (priv->wrap_width > -1)
+ min_width = xpad * 2 + rect.x + MIN (PANGO_PIXELS_CEIL (text_width), priv->wrap_width);
+ else
+ min_width = xpad * 2 + rect.x + PANGO_PIXELS_CEIL (text_width);
+
+ if (priv->width_chars > 0)
+ nat_width = xpad * 2 +
+ MAX ((PANGO_PIXELS (char_width) * priv->width_chars), PANGO_PIXELS_CEIL (text_width));
+ else
+ nat_width = xpad * 2 + PANGO_PIXELS_CEIL (text_width);
+
+ nat_width = MAX (nat_width, min_width);
+
+ if (priv->max_width_chars > 0)
+ {
+ gint max_width = xpad * 2 + PANGO_PIXELS (char_width) * priv->max_width_chars;
+
+ min_width = MIN (min_width, max_width);
+ nat_width = MIN (nat_width, max_width);
+ }
+
+ if (minimum_size)
+ *minimum_size = min_width;
+
+ if (natural_size)
+ *natural_size = nat_width;
+}
+
+static void
+gtk_cell_renderer_text_get_preferred_height_for_width (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height)
+{
+ GtkCellRendererText *celltext;
+ PangoLayout *layout;
+ gint text_height, xpad, ypad;
+
+
+ celltext = GTK_CELL_RENDERER_TEXT (cell);
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ layout = get_layout (celltext, widget, NULL, 0);
+
+ pango_layout_set_width (layout, (width - xpad * 2) * PANGO_SCALE);
+ pango_layout_get_pixel_size (layout, NULL, &text_height);
+
+ if (minimum_height)
+ *minimum_height = text_height + ypad * 2;
+
+ if (natural_height)
+ *natural_height = text_height + ypad * 2;
+
+ g_object_unref (layout);
+}
+
+static void
+gtk_cell_renderer_text_get_preferred_height (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ gint min_width;
+
+ /* Thankfully cell renderers dont rotate, so they only have to do
+ * height-for-width and not the opposite. Here we have only to return
+ * the height for the base minimum width of the renderer.
+ *
+ * Note this code path wont be followed by GtkTreeView which is
+ * height-for-width specifically.
+ */
+ gtk_cell_renderer_get_preferred_width (cell, widget, &min_width, NULL);
+ gtk_cell_renderer_text_get_preferred_height_for_width (cell, widget, min_width,
+ minimum_size, natural_size);
+}
+
+static void
+gtk_cell_renderer_text_get_aligned_area (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GtkCellRendererState flags,
+ const GdkRectangle *cell_area,
+ GdkRectangle *aligned_area)
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
+ PangoLayout *layout;
+ gint x_offset = 0;
+ gint y_offset = 0;
- gdk_draw_layout (window,
- font_gc,
- cell_area->x + real_xoffset,
- cell_area->y + real_yoffset,
- layout);
+ layout = get_layout (celltext, widget, cell_area, flags);
+ get_size (cell, widget, cell_area, layout, &x_offset, &y_offset,
+ &aligned_area->width, &aligned_area->height);
- g_object_unref (G_OBJECT (layout));
+ aligned_area->x = cell_area->x + x_offset;
+ aligned_area->y = cell_area->y + y_offset;
- gdk_gc_set_clip_rectangle (font_gc, NULL);
+ g_object_unref (layout);
}
projects / ~andy / gtk / blobdiff