#include "gtkclipboard.h"
#include "gdk/gdki18n.h"
#include <pango/pango.h>
+#include "gtkintl.h"
struct _GtkLabelSelectionInfo
{
};
enum {
- ARG_0,
- ARG_LABEL,
- ARG_PATTERN,
- ARG_JUSTIFY,
- ARG_WRAP
+ PROP_0,
+ PROP_LABEL,
+ PROP_ATTRIBUTES,
+ PROP_USE_MARKUP,
+ PROP_USE_UNDERLINE,
+ PROP_JUSTIFY,
+ PROP_PATTERN,
+ PROP_WRAP,
+ PROP_SELECTABLE,
+ PROP_ACCEL_KEYVAL
};
static void gtk_label_class_init (GtkLabelClass *klass);
static void gtk_label_init (GtkLabel *label);
-static void gtk_label_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gtk_label_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
+static void gtk_label_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec,
+ const gchar *trailer);
+static void gtk_label_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec,
+ const gchar *trailer);
static void gtk_label_finalize (GObject *object);
static void gtk_label_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static gint gtk_label_motion (GtkWidget *widget,
GdkEventMotion *event);
+
+static void gtk_label_set_text_internal (GtkLabel *label,
+ gchar *str);
+static void gtk_label_set_label_internal (GtkLabel *label,
+ gchar *str);
+static void gtk_label_set_use_markup_internal (GtkLabel *label,
+ gboolean val);
+static void gtk_label_set_use_underline_internal (GtkLabel *label,
+ gboolean val);
+static void gtk_label_set_attributes_internal (GtkLabel *label,
+ PangoAttrList *attrs);
+static void gtk_label_set_uline_text_internal (GtkLabel *label,
+ const gchar *str);
+static void gtk_label_set_pattern_internal (GtkLabel *label,
+ const gchar *pattern);
+static void set_markup (GtkLabel *label,
+ const gchar *str,
+ gboolean with_uline);
+static void gtk_label_recalculate (GtkLabel *label);
+
static void gtk_label_create_window (GtkLabel *label);
static void gtk_label_destroy_window (GtkLabel *label);
static void gtk_label_clear_layout (GtkLabel *label);
parent_class = gtk_type_class (GTK_TYPE_MISC);
- gtk_object_add_arg_type ("GtkLabel::label", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_LABEL);
- gtk_object_add_arg_type ("GtkLabel::pattern", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_PATTERN);
- gtk_object_add_arg_type ("GtkLabel::justify", GTK_TYPE_JUSTIFICATION, GTK_ARG_READWRITE, ARG_JUSTIFY);
- gtk_object_add_arg_type ("GtkLabel::wrap", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_WRAP);
-
+ gobject_class->set_property = gtk_label_set_property;
+ gobject_class->get_property = gtk_label_get_property;
gobject_class->finalize = gtk_label_finalize;
-
- object_class->set_arg = gtk_label_set_arg;
- object_class->get_arg = gtk_label_get_arg;
widget_class->size_request = gtk_label_size_request;
widget_class->size_allocate = gtk_label_size_allocate;
widget_class->button_press_event = gtk_label_button_press;
widget_class->button_release_event = gtk_label_button_release;
widget_class->motion_notify_event = gtk_label_motion;
+
+ g_object_class_install_property (G_OBJECT_CLASS(object_class),
+ PROP_LABEL,
+ g_param_spec_string ("label",
+ _("Label"),
+ _("The text of the label."),
+ NULL,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_ATTRIBUTES,
+ g_param_spec_boxed ("attributes",
+ _("Attributes"),
+ _("A list of style attributes to apply to the text of the label."),
+ PANGO_TYPE_ATTR_LIST,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_USE_MARKUP,
+ g_param_spec_boolean ("use_markup",
+ _("Use markup"),
+ _("The text of the label includes XML markup. See pango_parse_markup()."),
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_USE_UNDERLINE,
+ g_param_spec_boolean ("use_underline",
+ _("Use underline"),
+ _("If set, an underline in the text indicates the next character should be used for the accelerator key"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_JUSTIFY,
+ g_param_spec_enum ("justify",
+ _("Justification"),
+ _("The alignment of the lines in the text of the label relative to each other. This does NOT affect the alignment of the label within its allocation. See GtkMisc::xalign for that."),
+ GTK_TYPE_JUSTIFICATION,
+ GTK_JUSTIFY_LEFT,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_PATTERN,
+ g_param_spec_string ("pattern",
+ _("Pattern"),
+ _("A string with _ characters in positions correspond to characters in
+ the text to underline."),
+ NULL,
+ G_PARAM_WRITABLE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_WRAP,
+ g_param_spec_boolean ("wrap",
+ _("Line wrap"),
+ _("If set, wrap lines if the text becomes too wide."),
+ TRUE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_SELECTABLE,
+ g_param_spec_boolean ("selectable",
+ _("Selectable"),
+ _("Whether the label text can be selected with the mouse."),
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_ACCEL_KEYVAL,
+ g_param_spec_uint ("accel_keyval",
+ _("Accelerator key value"),
+ _("The accelerator key for this label."),
+ 0,
+ G_MAXUINT,
+ GDK_VoidSymbol,
+ G_PARAM_READABLE));
}
-static void
-gtk_label_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+static void
+gtk_label_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec,
+ const gchar *trailer)
{
GtkLabel *label;
label = GTK_LABEL (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_LABEL:
- gtk_label_set_text (label, GTK_VALUE_STRING (*arg));
+ case PROP_LABEL:
+ gtk_label_set_label_internal (label,
+ g_strdup (g_value_get_string (value)));
+ gtk_label_recalculate (label);
+ break;
+ case PROP_ATTRIBUTES:
+ gtk_label_set_attributes (label, g_value_get_boxed (value));
+ break;
+ case PROP_USE_MARKUP:
+ gtk_label_set_use_markup_internal (label, g_value_get_boolean (value));
+ gtk_label_recalculate (label);
break;
- case ARG_PATTERN:
- gtk_label_set_pattern (label, GTK_VALUE_STRING (*arg));
+ case PROP_USE_UNDERLINE:
+ gtk_label_set_use_underline_internal (label, g_value_get_boolean (value));
+ gtk_label_recalculate (label);
break;
- case ARG_JUSTIFY:
- gtk_label_set_justify (label, GTK_VALUE_ENUM (*arg));
+ case PROP_JUSTIFY:
+ gtk_label_set_justify (label, g_value_get_enum (value));
break;
- case ARG_WRAP:
- gtk_label_set_line_wrap (label, GTK_VALUE_BOOL (*arg));
+ case PROP_PATTERN:
+ gtk_label_set_pattern (label, g_value_get_string (value));
+ break;
+ case PROP_WRAP:
+ gtk_label_set_line_wrap (label, g_value_get_boolean (value));
+ break;
+ case PROP_SELECTABLE:
+ gtk_label_set_selectable (label, g_value_get_boolean (value));
break;
default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static void
-gtk_label_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+static void
+gtk_label_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec,
+ const gchar *trailer)
{
GtkLabel *label;
label = GTK_LABEL (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_LABEL:
- GTK_VALUE_STRING (*arg) = g_strdup (label->label);
+ case PROP_LABEL:
+ g_value_set_string (value, g_strdup (label->label));
+ break;
+ case PROP_ATTRIBUTES:
+ g_value_set_boxed (value, label->attrs);
+ break;
+ case PROP_USE_MARKUP:
+ g_value_set_boolean (value, label->use_markup);
+ break;
+ case PROP_USE_UNDERLINE:
+ g_value_set_boolean (value, label->use_underline);
break;
- case ARG_PATTERN:
- GTK_VALUE_STRING (*arg) = g_strdup (label->pattern);
+ case PROP_JUSTIFY:
+ g_value_set_enum (value, label->jtype);
break;
- case ARG_JUSTIFY:
- GTK_VALUE_ENUM (*arg) = label->jtype;
+ case PROP_WRAP:
+ g_value_set_boolean (value, label->wrap);
break;
- case ARG_WRAP:
- GTK_VALUE_BOOL (*arg) = label->wrap;
+ case PROP_SELECTABLE:
+ g_value_set_boolean (value, gtk_label_get_selectable (label));
+ break;
+ case PROP_ACCEL_KEYVAL:
+ g_value_set_uint (value, label->accel_keyval);
break;
default:
- arg->type = GTK_TYPE_INVALID;
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GTK_WIDGET_SET_FLAGS (label, GTK_NO_WINDOW);
label->label = NULL;
- label->pattern = NULL;
label->jtype = GTK_JUSTIFY_CENTER;
label->wrap = FALSE;
+
+ label->use_underline = FALSE;
+ label->use_markup = FALSE;
+ label->accel_keyval = GDK_VoidSymbol;
label->layout = NULL;
+ label->text = NULL;
label->attrs = NULL;
gtk_label_set_text (label, "");
return GTK_WIDGET (label);
}
-static inline void
+/**
+ * gtk_label_get_accel_keyval:
+ * @label: a #GtkLabel
+ * @Returns: GDK keyval usable for accelerators, or GDK_VoidSymbol
+ *
+ * If the label text was set using gtk_label_set_markup_with_accel,
+ * gtk_label_parse_uline, or using the use_underline property this function
+ * returns the keyval for the first underlined accelerator.
+ **/
+guint
+gtk_label_get_accel_keyval (GtkLabel *label)
+{
+ g_return_val_if_fail (GTK_IS_LABEL (label), GDK_VoidSymbol);
+
+ return label->accel_keyval;
+}
+
+static void
gtk_label_set_text_internal (GtkLabel *label,
gchar *str)
+{
+ g_free (label->text);
+
+ label->text = str;
+
+ gtk_label_select_region_index (label, 0, 0);
+}
+
+static void
+gtk_label_set_label_internal (GtkLabel *label,
+ gchar *str)
{
g_free (label->label);
label->label = str;
- gtk_label_clear_layout (label);
+ g_object_notify (G_OBJECT (label), "label");
+}
- gtk_label_select_region_index (label, 0, 0);
+static void
+gtk_label_set_use_markup_internal (GtkLabel *label,
+ gboolean val)
+{
+ val = val != FALSE;
+ if (label->use_markup != val)
+ g_object_notify (G_OBJECT (label), "use_markup");
+ label->use_markup = val;
+}
+
+static void
+gtk_label_set_use_underline_internal (GtkLabel *label,
+ gboolean val)
+{
+ val = val != FALSE;
+ if (label->use_underline != val)
+ g_object_notify (G_OBJECT (label), "use_underline");
+ label->use_underline = val;
+}
+
+static void
+gtk_label_set_attributes_internal (GtkLabel *label,
+ PangoAttrList *attrs)
+{
+ if (attrs)
+ pango_attr_list_ref (attrs);
+ if (label->attrs)
+ pango_attr_list_unref (label->attrs);
+
+ label->attrs = attrs;
+ g_object_notify (G_OBJECT (label), "attributes");
+}
+
+
+/* Calculates text, attrs and accel_keyval from
+ * label, use_underline and use_markup */
+static void
+gtk_label_recalculate (GtkLabel *label)
+{
+ if (label->use_markup)
+ set_markup (label, label->label, label->use_underline);
+ else
+ {
+ if (label->use_underline)
+ gtk_label_set_uline_text_internal (label, label->label);
+ else
+ {
+ gtk_label_set_text_internal (label, g_strdup (label->label));
+ gtk_label_set_attributes_internal (label, NULL);
+ }
+ }
+
+ if (!label->use_underline)
+ label->accel_keyval = GDK_VoidSymbol;
+
+ gtk_label_clear_layout (label);
gtk_widget_queue_resize (GTK_WIDGET (label));
}
{
g_return_if_fail (GTK_IS_LABEL (label));
- gtk_label_set_text_internal (label, g_strdup (str ? str : ""));
+ gtk_label_set_label_internal (label, g_strdup (str ? str : ""));
+ gtk_label_set_use_markup_internal (label, FALSE);
+ gtk_label_set_use_underline_internal (label, FALSE);
+
+ gtk_label_recalculate (label);
}
/**
{
g_return_if_fail (GTK_IS_LABEL (label));
- if (attrs)
- pango_attr_list_ref (attrs);
+ gtk_label_set_attributes_internal (label, attrs);
- if (label->attrs)
- pango_attr_list_unref (label->attrs);
-
- label->attrs = attrs;
+ gtk_label_clear_layout (label);
+ gtk_widget_queue_resize (GTK_WIDGET (label));
}
-static guint
+static void
set_markup (GtkLabel *label,
const gchar *str,
gboolean with_uline)
PangoAttrList *attrs = NULL;
gunichar accel_char = 0;
- if (str == NULL)
- str = "";
-
if (!pango_parse_markup (str,
-1,
with_uline ? '_' : 0,
if (attrs)
{
- gtk_label_set_attributes (label, attrs);
+ gtk_label_set_attributes_internal (label, attrs);
pango_attr_list_unref (attrs);
}
if (accel_char != 0)
- return gdk_keyval_to_lower (gdk_unicode_to_keyval (accel_char));
+ label->accel_keyval = gdk_keyval_to_lower (gdk_unicode_to_keyval (accel_char));
else
- return GDK_VoidSymbol;
+ label->accel_keyval = GDK_VoidSymbol;
}
/**
{
g_return_if_fail (GTK_IS_LABEL (label));
- set_markup (label, str, FALSE);
+ gtk_label_set_label_internal (label, g_strdup (str ? str : ""));
+ gtk_label_set_use_markup_internal (label, TRUE);
+ gtk_label_set_use_underline_internal (label, FALSE);
+
+ gtk_label_recalculate (label);
}
/**
{
g_return_val_if_fail (GTK_IS_LABEL (label), GDK_VoidSymbol);
- return set_markup (label, str, TRUE);
+ gtk_label_set_label_internal (label, g_strdup (str ? str : ""));
+ gtk_label_set_use_markup_internal (label, TRUE);
+ gtk_label_set_use_underline_internal (label, TRUE);
+
+ gtk_label_recalculate (label);
+ return label->accel_keyval;
}
/**
*
* Fetches the text from a label widget
*
- * Return value: the text in the label widget. This value must
- * be freed with g_free().
+ * Return value: the text in the label widget. This is the internal
+ * string used by the label, and must not be modified.
**/
G_CONST_RETURN gchar *
gtk_label_get_text (GtkLabel *label)
g_return_val_if_fail (label != NULL, NULL);
g_return_val_if_fail (GTK_IS_LABEL (label), NULL);
- return label->label;
+ return label->text;
+}
+
+static PangoAttrList *
+gtk_label_pattern_to_attrs (GtkLabel *label,
+ const gchar *pattern)
+{
+ const char *start;
+ const char *p = label->text;
+ const char *q = pattern;
+ PangoAttrList *attrs;
+
+ attrs = pango_attr_list_new ();
+
+ while (1)
+ {
+ while (*p && *q && *q != '_')
+ {
+ p = g_utf8_next_char (p);
+ q++;
+ }
+ start = p;
+ while (*p && *q && *q == '_')
+ {
+ p = g_utf8_next_char (p);
+ q++;
+ }
+
+ if (p > start)
+ {
+ PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_LOW);
+ attr->start_index = start - label->text;
+ attr->end_index = p - label->text;
+
+ pango_attr_list_insert (attrs, attr);
+ }
+ else
+ break;
+ }
+
+ return attrs;
+}
+
+static void
+gtk_label_set_pattern_internal (GtkLabel *label,
+ const gchar *pattern)
+{
+ PangoAttrList *attrs;
+ g_return_if_fail (GTK_IS_LABEL (label));
+
+ attrs = gtk_label_pattern_to_attrs (label, pattern);
+
+ gtk_label_set_attributes_internal (label, attrs);
}
void
{
g_return_if_fail (GTK_IS_LABEL (label));
- g_free (label->pattern);
- label->pattern = g_strdup (pattern);
+ gtk_label_set_pattern_internal (label, pattern);
+ gtk_label_clear_layout (label);
gtk_widget_queue_resize (GTK_WIDGET (label));
}
+
void
gtk_label_set_justify (GtkLabel *label,
GtkJustification jtype)
{
label->jtype = jtype;
- if (label->layout)
- {
- /* No real need to be this drastic, but easier than duplicating the code */
- g_object_unref (G_OBJECT (label->layout));
- label->layout = NULL;
- }
+ /* No real need to be this drastic, but easier than duplicating the code */
+ gtk_label_clear_layout (label);
+ g_object_notify (G_OBJECT (label), "justify");
gtk_widget_queue_resize (GTK_WIDGET (label));
}
}
if (label->wrap != wrap)
{
label->wrap = wrap;
-
+ g_object_notify (G_OBJECT (label), "wrap");
+
gtk_widget_queue_resize (GTK_WIDGET (label));
}
}
g_return_if_fail (GTK_IS_LABEL (label));
g_return_if_fail (str != NULL);
- *str = label->label;
+ *str = label->text;
}
static void
label = GTK_LABEL (object);
g_free (label->label);
- g_free (label->pattern);
+ g_free (label->text);
if (label->layout)
g_object_unref (G_OBJECT (label->layout));
G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static void
-gtk_label_pattern_to_attrs (GtkLabel *label,
- PangoAttrList *attrs)
-{
- if (label->pattern)
- {
- const char *start;
- const char *p = label->label;
- const char *q = label->pattern;
-
- while (1)
- {
- while (*p && *q && *q != '_')
- {
- p = g_utf8_next_char (p);
- q++;
- }
- start = p;
- while (*p && *q && *q == '_')
- {
- p = g_utf8_next_char (p);
- q++;
- }
-
- if (p > start)
- {
- PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_LOW);
- attr->start_index = start - label->label;
- attr->end_index = p - label->label;
-
- pango_attr_list_insert (attrs, attr);
- }
- else
- break;
- }
- }
-}
-
static void
gtk_label_clear_layout (GtkLabel *label)
{
if (!label->layout)
{
PangoAlignment align = PANGO_ALIGN_LEFT; /* Quiet gcc */
- PangoAttrList *attrs = NULL;
- label->layout = gtk_widget_create_pango_layout (widget, label->label);
+ label->layout = gtk_widget_create_pango_layout (widget, label->text);
- /* FIXME move to a model where the pattern isn't stored
- * permanently, and just modifies or creates the AttrList
- */
if (label->attrs)
- attrs = pango_attr_list_copy (label->attrs);
- else if (label->pattern)
- attrs = pango_attr_list_new ();
-
- if (label->pattern)
- gtk_label_pattern_to_attrs (label, attrs);
-
- if (attrs)
- {
- pango_layout_set_attributes (label->layout, attrs);
- pango_attr_list_unref (attrs);
- }
+ pango_layout_set_attributes (label->layout, label->attrs);
switch (label->jtype)
{
gtk_label_ensure_layout (label, NULL, NULL);
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget) &&
- label->label && (*label->label != '\0'))
+ label->text && (*label->text != '\0'))
{
get_layout_location (label, &x, &y);
return TRUE;
}
-guint
-gtk_label_parse_uline (GtkLabel *label,
- const gchar *str)
+void
+gtk_label_set_uline_text_internal (GtkLabel *label,
+ const gchar *str)
{
guint accel_key = GDK_VoidSymbol;
gchar *dest, *pattern_dest;
gboolean underscore;
- g_return_val_if_fail (GTK_IS_LABEL (label), GDK_VoidSymbol);
- g_return_val_if_fail (str != NULL, GDK_VoidSymbol);
+ g_return_if_fail (GTK_IS_LABEL (label));
+ g_return_if_fail (str != NULL);
/* Convert text to wide characters */
underscore = FALSE;
+ if (str == NULL)
+ str = "";
+
src = str;
dest = new_str;
pattern_dest = pattern;
g_warning ("Invalid input string");
g_free (new_str);
g_free (pattern);
- return GDK_VoidSymbol;
+ return;
}
next_src = g_utf8_next_char (src);
*pattern_dest = 0;
gtk_label_set_text_internal (label, new_str);
- gtk_label_set_pattern (label, pattern);
+ gtk_label_set_pattern_internal (label, pattern);
g_free (pattern);
+
+ label->accel_keyval = accel_key;
+}
+
+guint
+gtk_label_parse_uline (GtkLabel *label,
+ const gchar *str)
+{
+ g_return_val_if_fail (GTK_IS_LABEL (label), GDK_VoidSymbol);
+ g_return_val_if_fail (str != NULL, GDK_VoidSymbol);
+
+ gtk_label_set_label_internal (label, g_strdup (str ? str : ""));
+ gtk_label_set_use_markup_internal (label, FALSE);
+ gtk_label_set_use_underline_internal (label, TRUE);
- return accel_key;
+ gtk_label_recalculate (label);
+ return label->accel_keyval;
}
+
static void
gtk_label_realize (GtkWidget *widget)
{
index, &trailing);
- cluster = label->label + *index;
+ cluster = label->text + *index;
cluster_end = cluster;
while (trailing)
{
}
}
if (setting != old_setting)
- gtk_widget_queue_draw (GTK_WIDGET (label));
+ {
+ g_object_notify (G_OBJECT (label), "selectable");
+ gtk_widget_queue_draw (GTK_WIDGET (label));
+ }
}
gboolean
if ((label->select_info->selection_anchor !=
label->select_info->selection_end) &&
- label->label)
+ label->text)
{
gint start, end;
end = MAX (label->select_info->selection_anchor,
label->select_info->selection_end);
- str = g_strndup (label->label + start,
+ str = g_strndup (label->text + start,
end - start);
gtk_selection_data_set_text (selection_data,
{
g_return_if_fail (GTK_IS_LABEL (label));
- if (label->label && label->select_info)
+ if (label->text && label->select_info)
{
GtkClipboard *clipboard;
start_offset = 0;
if (end_offset < 0)
- end_offset = g_utf8_strlen (label->label, -1);
+ end_offset = g_utf8_strlen (label->text, -1);
gtk_label_select_region_index (label,
- g_utf8_offset_to_pointer (label->label, start_offset) - label->label,
- g_utf8_offset_to_pointer (label->label, end_offset) - label->label);
+ g_utf8_offset_to_pointer (label->text, start_offset) - label->text,
+ g_utf8_offset_to_pointer (label->text, end_offset) - label->text);
}
}
projects / ~andy / gtk / commitdiff