#include "gtkimage.h"
#include "gtkshow.h"
#include "gtktooltip.h"
+#include "gtkextendedlayout.h"
#include "gtkprivate.h"
#include "gtkalias.h"
gint wrap_width;
gint width_chars;
gint max_width_chars;
+ gboolean full_size;
+ gboolean mnemonics_visible;
} GtkLabelPrivate;
/* Notes about the handling of links:
PROP_WIDTH_CHARS,
PROP_SINGLE_LINE_MODE,
PROP_ANGLE,
- PROP_MAX_WIDTH_CHARS
+ PROP_MAX_WIDTH_CHARS,
+ PROP_TRACK_VISITED_LINKS,
+ PROP_FULL_SIZE
};
static guint signals[LAST_SIGNAL] = { 0 };
GParamSpec *pspec);
static void gtk_label_destroy (GtkObject *object);
static void gtk_label_finalize (GObject *object);
-static void gtk_label_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
static void gtk_label_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_label_state_changed (GtkWidget *widget,
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);
+ const gchar *pattern,
+ gboolean is_mnemonic);
static void gtk_label_set_markup_internal (GtkLabel *label,
const gchar *str,
gboolean with_uline);
gpointer user_data);
+static void connect_mnemonics_visible_notify (GtkLabel *label);
+static gboolean separate_uline_pattern (const gchar *str,
+ guint *accel_key,
+ gchar **new_str,
+ gchar **pattern);
+
+
/* For selectable labels: */
static void gtk_label_move_cursor (GtkLabel *label,
GtkMovementStep step,
static void emit_activate_link (GtkLabel *label,
GtkLabelLink *link);
+static void gtk_label_layout_interface_init (GtkExtendedLayoutIface *iface);
+
+static void gtk_label_get_desired_size (GtkExtendedLayout *layout,
+ GtkRequisition *minimum_size,
+ GtkRequisition *natural_size);
+static void gtk_label_get_width_for_height (GtkExtendedLayout *layout,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width);
+static void gtk_label_get_height_for_width (GtkExtendedLayout *layout,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height);
+
static GQuark quark_angle = 0;
static GtkBuildableIface *buildable_parent_iface = NULL;
G_DEFINE_TYPE_WITH_CODE (GtkLabel, gtk_label, GTK_TYPE_MISC,
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
- gtk_label_buildable_interface_init));
+ gtk_label_buildable_interface_init)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_EXTENDED_LAYOUT,
+ gtk_label_layout_interface_init));
static void
add_move_binding (GtkBindingSet *binding_set,
G_TYPE_BOOLEAN, TRUE);
}
+static void
+gtk_label_layout_interface_init (GtkExtendedLayoutIface *iface)
+{
+ iface->get_desired_size = gtk_label_get_desired_size;
+ iface->get_width_for_height = gtk_label_get_width_for_height;
+ iface->get_height_for_width = gtk_label_get_height_for_width;
+}
+
static void
gtk_label_class_init (GtkLabelClass *class)
{
object_class->destroy = gtk_label_destroy;
- widget_class->size_request = gtk_label_size_request;
widget_class->size_allocate = gtk_label_size_allocate;
widget_class->state_changed = gtk_label_state_changed;
widget_class->style_set = gtk_label_style_set;
G_MAXINT,
-1,
GTK_PARAM_READWRITE));
+
+ /**
+ * GtkLabel:track-visited-links:
+ *
+ * Set this property to %TRUE to make the label track which links
+ * have been clicked. It will then apply the ::visited-link-color
+ * color, instead of ::link-color.
+ *
+ * Since: 2.18
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_TRACK_VISITED_LINKS,
+ g_param_spec_boolean ("track-visited-links",
+ P_("Track visited links"),
+ P_("Whether visited links should be tracked"),
+ TRUE,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkLabel:full-size:
+ *
+ * Use the entire space the widget got assigned for text wrapping. Overrides
+ * any #GtkLabel:width-chars, #GtkLabel:max-width-chars and screen size based
+ * constraints. Requires #GtkLabel:angle to be 0°, 90°, 180° or 270°.
+ *
+ * Since: 2.18
+ **/
+ g_object_class_install_property (gobject_class,
+ PROP_FULL_SIZE,
+ g_param_spec_boolean ("full-size",
+ P_("Full size"),
+ P_("Use the entire size of the widget to wrap text"),
+ FALSE,
+ GTK_PARAM_READWRITE));
+
/*
* Key bindings
*/
case PROP_MAX_WIDTH_CHARS:
gtk_label_set_max_width_chars (label, g_value_get_int (value));
break;
+ case PROP_TRACK_VISITED_LINKS:
+ gtk_label_set_track_visited_links (label, g_value_get_boolean (value));
+ break;
+ case PROP_FULL_SIZE:
+ gtk_label_set_full_size (label, g_value_get_boolean (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case PROP_MAX_WIDTH_CHARS:
g_value_set_int (value, gtk_label_get_max_width_chars (label));
break;
-
+ case PROP_TRACK_VISITED_LINKS:
+ g_value_set_boolean (value, gtk_label_get_track_visited_links (label));
+ break;
+ case PROP_FULL_SIZE:
+ g_value_set_int (value, gtk_label_get_full_size (label));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
label->use_underline = FALSE;
label->use_markup = FALSE;
label->pattern_set = FALSE;
-
+ label->track_links = TRUE;
+
label->mnemonic_keyval = GDK_VoidSymbol;
label->layout = NULL;
label->text = NULL;
label->mnemonic_widget = NULL;
label->mnemonic_window = NULL;
-
+
+ priv->mnemonics_visible = TRUE;
+
gtk_label_set_text (label, "");
}
value, &val, error))
attribute = pango_attr_gravity_hint_new (g_value_get_enum (&val));
break;
-
/* PangoAttrString */
case PANGO_ATTR_FAMILY:
attribute = pango_attr_family_new (value);
while (parent)
{
- if (GTK_WIDGET_CAN_FOCUS (parent) ||
+ if (gtk_widget_get_can_focus (parent) ||
(!group_cycling && GTK_WIDGET_GET_CLASS (parent)->activate_signal) ||
GTK_IS_NOTEBOOK (parent->parent) ||
GTK_IS_MENU_ITEM (parent))
}
if (label->mnemonic_keyval == GDK_VoidSymbol)
- goto done;
+ goto done;
+
+ connect_mnemonics_visible_notify (GTK_LABEL (widget));
toplevel = gtk_widget_get_toplevel (widget);
- if (GTK_WIDGET_TOPLEVEL (toplevel))
+ if (gtk_widget_is_toplevel (toplevel))
{
GtkWidget *menu_shell;
g_list_free (list);
}
+static void
+mnemonics_visible_apply (GtkWidget *widget,
+ gboolean mnemonics_visible)
+{
+ GtkLabel *label;
+ GtkLabelPrivate *priv;
+
+ label = GTK_LABEL (widget);
+
+ priv = GTK_LABEL_GET_PRIVATE (label);
+
+ mnemonics_visible = mnemonics_visible != FALSE;
+
+ if (priv->mnemonics_visible != mnemonics_visible)
+ {
+ priv->mnemonics_visible = mnemonics_visible;
+
+ gtk_label_recalculate (label);
+ }
+}
+
+static void
+label_mnemonics_visible_traverse_container (GtkWidget *widget,
+ gpointer data)
+{
+ gboolean mnemonics_visible = GPOINTER_TO_INT (data);
+
+ _gtk_label_mnemonics_visible_apply_recursively (widget, mnemonics_visible);
+}
+
+void
+_gtk_label_mnemonics_visible_apply_recursively (GtkWidget *widget,
+ gboolean mnemonics_visible)
+{
+ if (GTK_IS_LABEL (widget))
+ mnemonics_visible_apply (widget, mnemonics_visible);
+ else if (GTK_IS_CONTAINER (widget))
+ gtk_container_forall (GTK_CONTAINER (widget),
+ label_mnemonics_visible_traverse_container,
+ GINT_TO_POINTER (mnemonics_visible));
+}
+
+static void
+label_mnemonics_visible_changed (GtkWindow *window,
+ GParamSpec *pspec,
+ gpointer data)
+{
+ gboolean mnemonics_visible;
+
+ g_object_get (window, "mnemonics-visible", &mnemonics_visible, NULL);
+
+ gtk_container_forall (GTK_CONTAINER (window),
+ label_mnemonics_visible_traverse_container,
+ GINT_TO_POINTER (mnemonics_visible));
+}
+
static void
gtk_label_screen_changed (GtkWidget *widget,
GdkScreen *old_screen)
/**
* gtk_label_set_mnemonic_widget:
* @label: a #GtkLabel
- * @widget: the target #GtkWidget
+ * @widget: (allow-none): the target #GtkWidget
*
* If the label has been set so that it has an mnemonic key (using
* i.e. gtk_label_set_markup_with_mnemonic(),
if (label->effective_attrs)
{
if ((iter = pango_attr_list_get_iterator (label->attrs)))
- do
- {
- iter_attrs = pango_attr_iterator_get_attrs (iter);
- for (l = iter_attrs; l; l = l->next)
- {
- attr = l->data;
- pango_attr_list_insert (label->effective_attrs, attr);
- }
- g_slist_free (iter_attrs);
- }
- while (pango_attr_iterator_next (iter));
+ {
+ do
+ {
+ iter_attrs = pango_attr_iterator_get_attrs (iter);
+ for (l = iter_attrs; l; l = l->next)
+ {
+ attr = l->data;
+ pango_attr_list_insert (label->effective_attrs, attr);
+ }
+ g_slist_free (iter_attrs);
+ }
+ while (pango_attr_iterator_next (iter));
+ pango_attr_iterator_destroy (iter);
+ }
}
else
- label->effective_attrs =
+ label->effective_attrs =
pango_attr_list_ref (label->attrs);
}
}
guint keyval = label->mnemonic_keyval;
if (label->use_markup)
- {
- gtk_label_set_markup_internal (label, label->label, label->use_underline);
- gtk_label_compose_effective_attrs (label);
- }
+ gtk_label_set_markup_internal (label, label->label, label->use_underline);
else
{
if (label->use_underline)
- {
- gtk_label_set_uline_text_internal (label, label->label);
- gtk_label_compose_effective_attrs (label);
- }
+ gtk_label_set_uline_text_internal (label, label->label);
else
- {
- gtk_label_set_text_internal (label, g_strdup (label->label));
- if (label->attrs)
- pango_attr_list_ref (label->attrs);
- if (label->effective_attrs)
- pango_attr_list_unref (label->effective_attrs);
- label->effective_attrs = label->attrs;
- }
+ {
+ if (label->effective_attrs)
+ pango_attr_list_unref (label->effective_attrs);
+ label->effective_attrs = NULL;
+ gtk_label_set_text_internal (label, g_strdup (label->label));
+ }
}
+ gtk_label_compose_effective_attrs (label);
+
if (!label->use_underline)
label->mnemonic_keyval = GDK_VoidSymbol;
gtk_label_recalculate (label);
- gtk_label_clear_layout (label);
+ gtk_label_clear_layout (label);
gtk_widget_queue_resize (GTK_WIDGET (label));
}
return;
}
- if (pdata->label->select_info)
+ visited = FALSE;
+ if (pdata->label->track_links && pdata->label->select_info)
{
GList *l;
for (l = pdata->label->select_info->links; l; l = l->next)
const gchar *str,
gboolean with_uline)
{
+ GtkLabelPrivate *priv = GTK_LABEL_GET_PRIVATE (label);
gchar *text = NULL;
GError *error = NULL;
PangoAttrList *attrs = NULL;
gtk_label_ensure_has_tooltip (label);
}
+ if (with_uline)
+ {
+ gboolean enable_mnemonics;
+ gboolean auto_mnemonics;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)),
+ "gtk-enable-mnemonics", &enable_mnemonics,
+ "gtk-auto-mnemonics", &auto_mnemonics,
+ NULL);
+
+ if (!(enable_mnemonics && priv->mnemonics_visible &&
+ (!auto_mnemonics ||
+ (gtk_widget_is_sensitive (GTK_WIDGET (label)) &&
+ (!label->mnemonic_widget ||
+ gtk_widget_is_sensitive (label->mnemonic_widget))))))
+ {
+ gchar *tmp;
+ gchar *pattern;
+ guint key;
+
+ if (separate_uline_pattern (new_str, &key, &tmp, &pattern))
+ {
+ g_free (new_str);
+ new_str = tmp;
+ g_free (pattern);
+ }
+ }
+ }
+
if (!pango_parse_markup (new_str,
-1,
with_uline ? '_' : 0,
static void
gtk_label_set_pattern_internal (GtkLabel *label,
- const gchar *pattern)
+ const gchar *pattern,
+ gboolean is_mnemonic)
{
+ GtkLabelPrivate *priv = GTK_LABEL_GET_PRIVATE (label);
PangoAttrList *attrs;
gboolean enable_mnemonics;
+ gboolean auto_mnemonics;
g_return_if_fail (GTK_IS_LABEL (label));
if (label->pattern_set)
return;
- g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)),
- "gtk-enable-mnemonics", &enable_mnemonics,
- NULL);
+ if (is_mnemonic)
+ {
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)),
+ "gtk-enable-mnemonics", &enable_mnemonics,
+ "gtk-auto-mnemonics", &auto_mnemonics,
+ NULL);
- if (enable_mnemonics && pattern)
- attrs = gtk_label_pattern_to_attrs (label, pattern);
+ if (enable_mnemonics && priv->mnemonics_visible && pattern &&
+ (!auto_mnemonics ||
+ (gtk_widget_is_sensitive (GTK_WIDGET (label)) &&
+ (!label->mnemonic_widget ||
+ gtk_widget_is_sensitive (label->mnemonic_widget)))))
+ attrs = gtk_label_pattern_to_attrs (label, pattern);
+ else
+ attrs = NULL;
+ }
else
- attrs = NULL;
+ attrs = gtk_label_pattern_to_attrs (label, pattern);
if (label->effective_attrs)
pango_attr_list_unref (label->effective_attrs);
if (pattern)
{
- gtk_label_set_pattern_internal (label, pattern);
+ gtk_label_set_pattern_internal (label, pattern, FALSE);
label->pattern_set = TRUE;
}
else
gtk_label_recalculate (label);
- gtk_label_clear_layout (label);
+ gtk_label_clear_layout (label);
gtk_widget_queue_resize (GTK_WIDGET (label));
}
PangoAlignment align = PANGO_ALIGN_LEFT; /* Quiet gcc */
gdouble angle = gtk_label_get_angle (label);
- if (angle != 0.0 && !label->wrap && !label->ellipsize && !label->select_info)
+ if (angle != 0.0 && !label->select_info)
{
+ PangoMatrix matrix = PANGO_MATRIX_INIT;
+
/* We rotate the standard singleton PangoContext for the widget,
* depending on the fact that it's meant pretty much exclusively
* for our use.
*/
- PangoMatrix matrix = PANGO_MATRIX_INIT;
-
pango_matrix_rotate (&matrix, angle);
pango_context_set_matrix (gtk_widget_get_pango_context (widget), &matrix);
pango_layout_set_single_paragraph_mode (label->layout, label->single_line_mode);
if (label->ellipsize)
- pango_layout_set_width (label->layout,
- widget->allocation.width * PANGO_SCALE);
+ pango_layout_set_width (label->layout,
+ widget->allocation.width * PANGO_SCALE);
else if (label->wrap)
{
GtkWidgetAuxInfo *aux_info;
width = MIN (width, wrap_width);
width = MIN (width,
PANGO_SCALE * (gdk_screen_get_width (screen) + 1) / 2);
-
+
pango_layout_set_width (label->layout, width);
pango_layout_get_extents (label->layout, NULL, &logical_rect);
width = logical_rect.width;
height = logical_rect.height;
-
+
/* Unfortunately, the above may leave us with a very unbalanced looking paragraph,
* so we try short search for a narrower width that leaves us with the same height
*/
}
}
-static void
-gtk_label_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
+static gint
+get_single_line_height (GtkWidget *widget,
+ PangoLayout *layout)
{
- GtkLabel *label = GTK_LABEL (widget);
- GtkLabelPrivate *priv;
- gint width, height;
- PangoRectangle logical_rect;
- GtkWidgetAuxInfo *aux_info;
+ PangoContext *context;
+ PangoFontMetrics *metrics;
+ gint ascent, descent;
- priv = GTK_LABEL_GET_PRIVATE (widget);
+ context = pango_layout_get_context (layout);
+ metrics = pango_context_get_metrics (context, widget->style->font_desc,
+ pango_context_get_language (context));
+
+ ascent = pango_font_metrics_get_ascent (metrics);
+ descent = pango_font_metrics_get_descent (metrics);
+ pango_font_metrics_unref (metrics);
+
+ return PANGO_PIXELS (ascent + descent);
+}
+
+static void
+gtk_label_get_desired_size (GtkExtendedLayout *layout,
+ GtkRequisition *minimum_size,
+ GtkRequisition *natural_size)
+{
+ GtkLabelPrivate *priv = GTK_LABEL_GET_PRIVATE (layout);
+ GtkLabel *label = GTK_LABEL (layout);
+ PangoRectangle required_rect;
/*
* If word wrapping is on, then the height requisition can depend
gtk_label_ensure_layout (label);
- width = label->misc.xpad * 2;
- height = label->misc.ypad * 2;
+ if (minimum_size)
+ {
+ GtkWidgetAuxInfo *aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (label), FALSE);
+
+ pango_layout_get_extents (label->layout, NULL, &required_rect);
+ required_rect.x = required_rect.y = 0;
+
+ if (label->ellipsize || priv->width_chars > 0 || priv->max_width_chars > 0)
+ {
+ /* backup the Pango layout, as get_label_char_width() scrambles it */
+
+ PangoLayout *backup = label->layout;
+ label->layout = pango_layout_copy (label->layout);
+
+ required_rect.width = get_label_char_width (label);
+
+ g_object_unref (label->layout);
+ label->layout = backup;
+ }
+
+ if (label->single_line_mode)
+ required_rect.height = get_single_line_height (GTK_WIDGET (label), label->layout);
- aux_info = _gtk_widget_get_aux_info (widget, FALSE);
+ if (label->have_transform)
+ {
+ PangoContext *context = pango_layout_get_context (label->layout);
+ const PangoMatrix *matrix = pango_context_get_matrix (context);
+ pango_matrix_transform_rectangle (matrix, &required_rect);
+ }
+
+ required_rect.width = PANGO_PIXELS_CEIL (required_rect.width);
+ required_rect.height = PANGO_PIXELS_CEIL (required_rect.height);
- if (label->have_transform)
+ if ((label->wrap || label->ellipsize ||
+ priv->width_chars > 0 || priv->max_width_chars > 0) &&
+ aux_info && aux_info->width > 0)
+ required_rect.width = aux_info->width;
+
+ minimum_size->width = required_rect.width + label->misc.xpad * 2;
+ minimum_size->height = required_rect.height + label->misc.ypad * 2;
+ }
+
+ if (natural_size)
{
- PangoRectangle rect;
- PangoContext *context = pango_layout_get_context (label->layout);
- const PangoMatrix *matrix = pango_context_get_matrix (context);
+ PangoLayout *natural_layout = pango_layout_copy (label->layout);
- pango_layout_get_extents (label->layout, NULL, &rect);
- pango_matrix_transform_rectangle (matrix, &rect);
- pango_extents_to_pixels (&rect, NULL);
-
- requisition->width = width + rect.width;
- requisition->height = height + rect.height;
+ pango_layout_set_width (natural_layout, -1);
+ pango_layout_set_ellipsize (natural_layout, PANGO_ELLIPSIZE_NONE);
- return;
+ pango_layout_get_extents (natural_layout, NULL, &required_rect);
+ required_rect.x = required_rect.y = 0;
+
+ if (label->single_line_mode)
+ required_rect.height = get_single_line_height (GTK_WIDGET (label), label->layout);
+
+ if (label->have_transform)
+ {
+ PangoContext *context = pango_layout_get_context (natural_layout);
+ const PangoMatrix *matrix = pango_context_get_matrix (context);
+ pango_matrix_transform_rectangle (matrix, &required_rect);
+ }
+
+ required_rect.width = PANGO_PIXELS_CEIL (required_rect.width);
+ required_rect.height = PANGO_PIXELS_CEIL (required_rect.height);
+
+ natural_size->width = required_rect.width + label->misc.xpad * 2;
+ natural_size->height = required_rect.height + label->misc.ypad * 2;
+
+ g_object_unref (natural_layout);
}
- else
- pango_layout_get_extents (label->layout, NULL, &logical_rect);
+}
+
+static void
+get_size_for_allocation (GtkLabel *label,
+ gint allocation,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ PangoLayout *layout;
+
+ gtk_label_ensure_layout (label);
+ layout = pango_layout_copy (label->layout);
+ pango_layout_set_width (layout, PANGO_SCALE * allocation);
- if ((label->wrap || label->ellipsize ||
- priv->width_chars > 0 || priv->max_width_chars > 0) &&
- aux_info && aux_info->width > 0)
- width += aux_info->width;
- else if (label->ellipsize || priv->width_chars > 0 || priv->max_width_chars > 0)
+ if (minimum_size)
+ pango_layout_get_pixel_size (layout, NULL, minimum_size);
+
+ if (natural_size)
{
- width += PANGO_PIXELS (get_label_char_width (label));
+// pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
+ pango_layout_get_pixel_size (layout, NULL, natural_size);
}
- else
- width += PANGO_PIXELS (logical_rect.width);
- if (label->single_line_mode)
+ g_object_unref (layout);
+}
+
+static void
+gtk_label_get_width_for_height (GtkExtendedLayout *layout,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width)
+{
+ GtkLabel *label = GTK_LABEL (layout);
+ gdouble angle = gtk_label_get_angle (label);
+
+ if (90 == angle || 270 == angle)
+ get_size_for_allocation (label, height, minimum_width, natural_width);
+ else
{
- PangoContext *context;
- PangoFontMetrics *metrics;
- gint ascent, descent;
+ GtkRequisition minimum_size, natural_size;
- context = pango_layout_get_context (label->layout);
- metrics = pango_context_get_metrics (context, widget->style->font_desc,
- pango_context_get_language (context));
+ gtk_extended_layout_get_desired_size (layout,
+ minimum_width ? &minimum_size : NULL,
+ natural_width ? &natural_size : NULL);
- ascent = pango_font_metrics_get_ascent (metrics);
- descent = pango_font_metrics_get_descent (metrics);
- pango_font_metrics_unref (metrics);
-
- height += PANGO_PIXELS (ascent + descent);
+ if (minimum_width)
+ *minimum_width = minimum_size.width;
+ if (natural_width)
+ *natural_width = natural_size.width;
}
+}
+
+static void
+gtk_label_get_height_for_width (GtkExtendedLayout *layout,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height)
+{
+ GtkLabel *label = GTK_LABEL (layout);
+ gdouble angle = gtk_label_get_angle (label);
+
+ if (0 == angle || 180 == angle)
+ get_size_for_allocation (label, width, minimum_height, natural_height);
else
- height += PANGO_PIXELS (logical_rect.height);
+ {
+ GtkRequisition minimum_size, natural_size;
- requisition->width = width;
- requisition->height = height;
+ gtk_extended_layout_get_desired_size (layout,
+ minimum_height ? &minimum_size : NULL,
+ natural_height ? &natural_size : NULL);
+
+ if (minimum_height)
+ *minimum_height = minimum_size.height;
+ if (natural_height)
+ *natural_height = natural_size.height;
+ }
}
static void
GdkDisplay *display;
GdkCursor *cursor;
- if (GTK_WIDGET_IS_SENSITIVE (label))
+ if (gtk_widget_is_sensitive (GTK_WIDGET (label)))
{
display = gtk_widget_get_display (GTK_WIDGET (label));
x = MIN (x, widget->allocation.x + widget->allocation.width - misc->xpad);
x -= logical.x;
- y = floor (widget->allocation.y + (gint)misc->ypad
- + MAX (((widget->allocation.height - widget->requisition.height) * misc->yalign),
- 0));
+ /* bgo#315462 - For single-line labels, *do* align the requisition with
+ * respect to the allocation, even if we are under-allocated. For multi-line
+ * labels, always show the top of the text when they are under-allocated. The
+ * rationale is this:
+ *
+ * - Single-line labels appear in GtkButtons, and it is very easy to get them
+ * to be smaller than their requisition. The button may clip the label, but
+ * the label will still be able to show most of itself and the focus
+ * rectangle. Also, it is fairly easy to read a single line of clipped text.
+ *
+ * - Multi-line labels should not be clipped to showing "something in the
+ * middle". You want to read the first line, at least, to get some context.
+ */
+ if (pango_layout_get_line_count (label->layout) == 1)
+ y = floor (widget->allocation.y + (gint)misc->ypad
+ + (widget->allocation.height - widget->requisition.height) * misc->yalign);
+ else
+ y = floor (widget->allocation.y + (gint)misc->ypad
+ + MAX (((widget->allocation.height - widget->requisition.height) * misc->yalign),
+ 0));
if (xp)
*xp = x;
static void
gtk_label_draw_cursor (GtkLabel *label, gint xoffset, gint yoffset)
{
+ GtkWidget *widget;
+
if (label->select_info == NULL)
return;
+
+ widget = GTK_WIDGET (label);
- if (GTK_WIDGET_DRAWABLE (label))
+ if (gtk_widget_is_drawable (widget))
{
- GtkWidget *widget = GTK_WIDGET (label);
-
PangoDirection keymap_direction;
PangoDirection cursor_direction;
PangoRectangle strong_pos, weak_pos;
gtk_label_ensure_layout (label);
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget) &&
+ if (gtk_widget_get_visible (widget) && GTK_WIDGET_MAPPED (widget) &&
label->text && (*label->text != '\0'))
{
get_layout_location (label, &x, &y);
state = GTK_STATE_SELECTED;
- if (!GTK_WIDGET_HAS_FOCUS (widget))
+ if (!gtk_widget_has_focus (widget))
state = GTK_STATE_ACTIVE;
gdk_draw_layout_with_colors (widget->window,
GdkColor *link_color;
GdkColor *visited_link_color;
- if (info->selectable && GTK_WIDGET_HAS_FOCUS (widget))
+ if (info->selectable && gtk_widget_has_focus (widget))
gtk_label_draw_cursor (label, x, y);
focus_link = gtk_label_get_focus_link (label);
gdk_region_destroy (clip);
}
- if (focus_link && GTK_WIDGET_HAS_FOCUS (widget))
+ if (focus_link && gtk_widget_has_focus (widget))
{
range[0] = focus_link->start;
range[1] = focus_link->end;
return FALSE;
}
-static void
-gtk_label_set_uline_text_internal (GtkLabel *label,
- const gchar *str)
+static gboolean
+separate_uline_pattern (const gchar *str,
+ guint *accel_key,
+ gchar **new_str,
+ gchar **pattern)
{
- guint accel_key = GDK_VoidSymbol;
-
- gchar *new_str;
- gchar *pattern;
- const gchar *src;
- gchar *dest, *pattern_dest;
gboolean underscore;
-
- g_return_if_fail (GTK_IS_LABEL (label));
- g_return_if_fail (str != NULL);
+ const gchar *src;
+ gchar *dest;
+ gchar *pattern_dest;
+
+ *accel_key = GDK_VoidSymbol;
+ *new_str = g_new (gchar, strlen (str) + 1);
+ *pattern = g_new (gchar, g_utf8_strlen (str, -1) + 1);
- /* Split text into the base text and a separate pattern
- * of underscores.
- */
-
- new_str = g_new (gchar, strlen (str) + 1);
- pattern = g_new (gchar, g_utf8_strlen (str, -1) + 1);
-
underscore = FALSE;
- if (str == NULL)
- str = "";
-
src = str;
- dest = new_str;
- pattern_dest = pattern;
-
+ dest = *new_str;
+ pattern_dest = *pattern;
+
while (*src)
{
gunichar c;
- gchar *next_src;
+ const gchar *next_src;
c = g_utf8_get_char (src);
if (c == (gunichar)-1)
{
g_warning ("Invalid input string");
- g_free (new_str);
- g_free (pattern);
- return;
+ g_free (*new_str);
+ g_free (*pattern);
+
+ return FALSE;
}
next_src = g_utf8_next_char (src);
-
+
if (underscore)
{
if (c == '_')
else
{
*pattern_dest++ = '_';
- if (accel_key == GDK_VoidSymbol)
- accel_key = gdk_keyval_to_lower (gdk_unicode_to_keyval (c));
+ if (*accel_key == GDK_VoidSymbol)
+ *accel_key = gdk_keyval_to_lower (gdk_unicode_to_keyval (c));
}
while (src < next_src)
*dest++ = *src++;
-
+
underscore = FALSE;
}
else
{
while (src < next_src)
*dest++ = *src++;
-
+
*pattern_dest++ = ' ';
}
}
}
+
*dest = 0;
*pattern_dest = 0;
-
- gtk_label_set_text_internal (label, new_str);
- gtk_label_set_pattern_internal (label, pattern);
-
- g_free (pattern);
+ return TRUE;
+}
+
+static void
+gtk_label_set_uline_text_internal (GtkLabel *label,
+ const gchar *str)
+{
+ guint accel_key = GDK_VoidSymbol;
+ gchar *new_str;
+ gchar *pattern;
+
+ g_return_if_fail (GTK_IS_LABEL (label));
+ g_return_if_fail (str != NULL);
+
+ /* Split text into the base text and a separate pattern
+ * of underscores.
+ */
+ if (!separate_uline_pattern (str, &accel_key, &new_str, &pattern))
+ return;
+
+ gtk_label_set_text_internal (label, new_str);
+ gtk_label_set_pattern_internal (label, pattern, TRUE);
label->mnemonic_keyval = accel_key;
+
+ g_free (pattern);
}
-guint
+guint
gtk_label_parse_uline (GtkLabel *label,
const gchar *str)
{
gint trailing = 0;
const gchar *cluster;
const gchar *cluster_end;
+ gboolean inside;
*index = 0;
x *= PANGO_SCALE;
y *= PANGO_SCALE;
- if (pango_layout_xy_to_index (label->layout,
- x, y,
- index, &trailing))
- {
- cluster = label->text + *index;
- cluster_end = cluster;
- while (trailing)
- {
- cluster_end = g_utf8_next_char (cluster_end);
- --trailing;
- }
+ inside = pango_layout_xy_to_index (label->layout,
+ x, y,
+ index, &trailing);
- *index += (cluster_end - cluster);
-
- return TRUE;
+ cluster = label->text + *index;
+ cluster_end = cluster;
+ while (trailing)
+ {
+ cluster_end = g_utf8_next_char (cluster_end);
+ --trailing;
}
- return FALSE;
+ *index += (cluster_end - cluster);
+
+ return inside;
}
static void
if (event->button == 1)
{
- if (!GTK_WIDGET_HAS_FOCUS (widget))
+ if (!gtk_widget_has_focus (widget))
{
label->in_click = TRUE;
gtk_widget_grab_focus (widget);
return TRUE;
}
+static void
+connect_mnemonics_visible_notify (GtkLabel *label)
+{
+ GtkLabelPrivate *priv = GTK_LABEL_GET_PRIVATE (label);
+ GtkWidget *toplevel;
+ gboolean connected;
+
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (label));
+
+ if (!GTK_IS_WINDOW (toplevel))
+ return;
+
+ /* always set up this widgets initial value */
+ priv->mnemonics_visible =
+ gtk_window_get_mnemonics_visible (GTK_WINDOW (toplevel));
+
+ connected =
+ GPOINTER_TO_INT (g_object_get_data (G_OBJECT (toplevel),
+ "gtk-label-mnemonics-visible-connected"));
+
+ if (!connected)
+ {
+ g_signal_connect (toplevel,
+ "notify::mnemonics-visible",
+ G_CALLBACK (label_mnemonics_visible_changed),
+ label);
+ g_object_set_data (G_OBJECT (toplevel),
+ "gtk-label-mnemonics-visible-connected",
+ GINT_TO_POINTER (1));
+ }
+}
+
static void
drag_begin_cb (GtkWidget *widget,
GdkDragContext *context,
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
- if (GTK_WIDGET_IS_SENSITIVE (widget))
+ if (gtk_widget_is_sensitive (widget))
{
attributes.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
GDK_XTERM);
* pixel positions, in combination with gtk_label_get_layout_offsets().
* The returned layout is owned by the label so need not be
* freed by the caller.
- *
- * Return value: the #PangoLayout for this label
+ *
+ * Return value: (transfer none): the #PangoLayout for this label
**/
PangoLayout*
gtk_label_get_layout (GtkLabel *label)
/**
* gtk_label_get_layout_offsets:
* @label: a #GtkLabel
- * @x: location to store X offset of layout, or %NULL
- * @y: location to store Y offset of layout, or %NULL
+ * @x: (allow-none): location to store X offset of layout, or %NULL
+ * @y: (allow-none): location to store Y offset of layout, or %NULL
*
* Obtains the coordinates where the label will draw the #PangoLayout
* representing the text in the label; useful to convert mouse events
gtk_label_recalculate (label);
}
+gboolean
+gtk_label_get_full_size (GtkLabel *label)
+{
+ g_return_val_if_fail (GTK_IS_LABEL (label), FALSE);
+ return GTK_LABEL_GET_PRIVATE (label)->full_size;
+}
+
+void
+gtk_label_set_full_size (GtkLabel *label,
+ gboolean setting)
+{
+ GtkLabelPrivate *priv;
+
+ g_return_if_fail (GTK_IS_LABEL (label));
+ priv = GTK_LABEL_GET_PRIVATE (label);
+
+ if (priv->full_size != setting)
+ {
+ priv->full_size = setting;
+
+ g_object_notify (G_OBJECT (label), "full-size");
+ gtk_label_invalidate_wrap_width (label);
+ gtk_widget_queue_resize (GTK_WIDGET (label));
+ }
+}
+
/**
* gtk_label_get_use_underline:
* @label: a #GtkLabel
PangoAttrIterator *iter;
GList *links;
- if (!label->select_info)
+ if (!label->select_info || !label->select_info->links)
return;
attlist = pango_layout_get_attributes (layout);
gboolean handled;
g_signal_emit (label, signals[ACTIVATE_LINK], 0, link->uri, &handled);
- if (handled && !link->visited)
+ if (handled && label->track_links && !link->visited)
{
link->visited = TRUE;
/* FIXME: shouldn't have to redo everything here */
if (window &&
window->default_widget != widget &&
!(widget == window->focus_widget &&
- (!window->default_widget || !GTK_WIDGET_SENSITIVE (window->default_widget))))
+ (!window->default_widget || !gtk_widget_is_sensitive (window->default_widget))))
gtk_window_activate_default (window);
}
}
* selectable label, the link in which the text cursor is currently
* positioned.
*
- * This function is intended for use in a #GtkLabel::link-activate handler
+ * This function is intended for use in a #GtkLabel::activate-link handler
* or for use in a #GtkWidget::query-tooltip handler.
*
* Returns: the currently active URI. The string is owned by GTK+ and must
return NULL;
}
+/**
+ * gtk_label_set_track_visited_links:
+ * @label: a #GtkLabel
+ * @track_links: %TRUE to track visited links
+ *
+ * Sets whether the label should keep track of clicked
+ * links (and use a different color for them).
+ *
+ * Since: 2.18
+ */
+void
+gtk_label_set_track_visited_links (GtkLabel *label,
+ gboolean track_links)
+{
+ g_return_if_fail (GTK_IS_LABEL (label));
+
+ track_links = track_links != FALSE;
+
+ if (label->track_links != track_links)
+ {
+ label->track_links = track_links;
+
+ /* FIXME: shouldn't have to redo everything here */
+ gtk_label_recalculate (label);
+
+ g_object_notify (G_OBJECT (label), "track-visited-links");
+ }
+}
+
+/**
+ * gtk_label_get_track_visited_links:
+ * @label: a #GtkLabel
+ *
+ * Returns whether the label is currently keeping track
+ * of clicked links.
+ *
+ * Returns: %TRUE if clicked links are remembered
+ *
+ * Since: 2.18
+ */
+gboolean
+gtk_label_get_track_visited_links (GtkLabel *label)
+{
+ g_return_val_if_fail (GTK_IS_LABEL (label), FALSE);
+
+ return label->track_links;
+}
static gboolean
gtk_label_query_tooltip (GtkWidget *widget,