* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.Free
*/
/*
#include "gtklabel.h"
#include "gtkaccellabel.h"
#include "gtkdnd.h"
-#include "gtkmainprivate.h"
#include "gtkmarshalers.h"
#include "gtkpango.h"
#include "gtkwindow.h"
#include "gtkintl.h"
#include "gtkseparatormenuitem.h"
#include "gtktextutil.h"
+#include "gtkmain.h"
#include "gtkmenuitem.h"
#include "gtkmenushellprivate.h"
#include "gtknotebook.h"
#include "gtktooltip.h"
#include "gtkprivate.h"
#include "gtktypebuiltins.h"
+#include "gtkmain.h"
-#include "a11y/gtklabelaccessible.h"
+#include "a11y/gtklabelaccessibleprivate.h"
/* this is in case rint() is not provided by the compiler,
* such as in the case of C89 compilers, like MSVC
*
* The #GtkLabel widget displays a small amount of text. As the name
* implies, most labels are used to label another widget such as a
- * #GtkButton, a #GtkMenuItem, or a #GtkOptionMenu.
+ * #GtkButton, a #GtkMenuItem, or a #GtkComboBox.
*
* <refsect2 id="GtkLabel-BUILDER-UI">
* <title>GtkLabel as GtkBuildable</title>
GtkWindow *mnemonic_window;
PangoAttrList *attrs;
- PangoAttrList *effective_attrs;
+ PangoAttrList *markup_attrs;
PangoLayout *layout;
gchar *label;
static void gtk_label_destroy (GtkWidget *widget);
static void gtk_label_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
-static void gtk_label_state_changed (GtkWidget *widget,
- GtkStateType state);
-static void gtk_label_style_updated (GtkWidget *widget);
-static void gtk_label_direction_changed (GtkWidget *widget,
- GtkTextDirection previous_dir);
+static void gtk_label_state_flags_changed (GtkWidget *widget,
+ GtkStateFlags prev_state);
static gint gtk_label_draw (GtkWidget *widget,
cairo_t *cr);
static gboolean gtk_label_focus (GtkWidget *widget,
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,
gint start);
/* For links: */
-static void gtk_label_rescan_links (GtkLabel *label);
static void gtk_label_clear_links (GtkLabel *label);
static gboolean gtk_label_activate_link (GtkLabel *label,
const gchar *uri);
static void gtk_label_activate_current_link (GtkLabel *label);
static GtkLabelLink *gtk_label_get_current_link (GtkLabel *label);
static void gtk_label_get_link_colors (GtkWidget *widget,
- GdkColor **link_color,
- GdkColor **visited_link_color);
+ GdkColor *link_color,
+ GdkColor *visited_link_color);
static void emit_activate_link (GtkLabel *label,
GtkLabelLink *link);
widget_class->destroy = gtk_label_destroy;
widget_class->size_allocate = gtk_label_size_allocate;
- widget_class->state_changed = gtk_label_state_changed;
- widget_class->style_updated = gtk_label_style_updated;
+ widget_class->state_flags_changed = gtk_label_state_flags_changed;
widget_class->query_tooltip = gtk_label_query_tooltip;
- widget_class->direction_changed = gtk_label_direction_changed;
widget_class->draw = gtk_label_draw;
widget_class->realize = gtk_label_realize;
widget_class->unrealize = gtk_label_unrealize;
*
* The preferred place to ellipsize the string, if the label does
* not have enough room to display the entire string, specified as a
- * #PangoEllisizeMode.
+ * #PangoEllipsizeMode.
*
* Note that setting this property to a value other than
* %PANGO_ELLIPSIZE_NONE has the side-effect that the label requests
PangoLanguage *language;
PangoFontDescription *font_desc;
GdkColor *color;
- GValue val = { 0, };
+ GValue val = G_VALUE_INIT;
if (!gtk_builder_value_from_string_type (builder, PANGO_TYPE_ATTR_TYPE, name, &val, error))
return NULL;
GError **error)
{
PangoParserData *data = (PangoParserData*)user_data;
- GValue val = { 0, };
+ GValue val = G_VALUE_INIT;
guint i;
gint line_number, char_number;
GtkSettings *settings;
gboolean shortcuts_connected;
+ /* The PangoContext is replaced when the screen changes, so clear the layouts */
+ gtk_label_clear_layout (GTK_LABEL (widget));
+
if (!gtk_widget_has_screen (widget))
return;
*
* If the label has been set so that it has an mnemonic key this function
* returns the keyval used for the mnemonic accelerator. If there is no
- * mnemonic set up it returns #GDK_VoidSymbol.
+ * mnemonic set up it returns #GDK_KEY_VoidSymbol.
*
- * Returns: GDK keyval usable for accelerators, or #GDK_VoidSymbol
+ * Returns: GDK keyval usable for accelerators, or #GDK_KEY_VoidSymbol
**/
guint
gtk_label_get_mnemonic_keyval (GtkLabel *label)
static void
gtk_label_set_text_internal (GtkLabel *label,
- gchar *str)
+ gchar *str)
{
GtkLabelPrivate *priv = label->priv;
- g_free (priv->text);
+ if (g_strcmp0 (priv->text, str) == 0)
+ {
+ g_free (str);
+ return;
+ }
+ _gtk_label_accessible_text_deleted (label);
+ g_free (priv->text);
priv->text = str;
+ _gtk_label_accessible_text_inserted (label);
+
gtk_label_select_region_index (label, 0, 0);
}
}
}
-static void
-gtk_label_compose_effective_attrs (GtkLabel *label)
+static gboolean
+my_pango_attr_list_merge_filter (PangoAttribute *attribute,
+ gpointer list)
{
- GtkLabelPrivate *priv = label->priv;
- PangoAttrIterator *iter;
- PangoAttribute *attr;
- GSList *iter_attrs, *l;
-
- if (priv->attrs)
- {
- if (priv->effective_attrs)
- {
- if ((iter = pango_attr_list_get_iterator (priv->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 (priv->effective_attrs, attr);
- }
- g_slist_free (iter_attrs);
- }
- while (pango_attr_iterator_next (iter));
- pango_attr_iterator_destroy (iter);
- }
- }
- else
- priv->effective_attrs =
- pango_attr_list_ref (priv->attrs);
- }
+ pango_attr_list_change (list, pango_attribute_copy (attribute));
+ return FALSE;
}
static void
-gtk_label_set_attributes_internal (GtkLabel *label,
- PangoAttrList *attrs)
+my_pango_attr_list_merge (PangoAttrList *into,
+ PangoAttrList *from)
{
- GtkLabelPrivate *priv = label->priv;
-
- if (attrs)
- pango_attr_list_ref (attrs);
-
- if (priv->attrs)
- pango_attr_list_unref (priv->attrs);
- priv->attrs = attrs;
-
- g_object_notify (G_OBJECT (label), "attributes");
+ pango_attr_list_filter (from, my_pango_attr_list_merge_filter, into);
}
-
/* Calculates text, attrs and mnemonic_keyval from
* label, use_underline and use_markup
*/
GtkLabelPrivate *priv = label->priv;
guint keyval = priv->mnemonic_keyval;
+ gtk_label_clear_links (label);
+
if (priv->use_markup)
gtk_label_set_markup_internal (label, priv->label, priv->use_underline);
else if (priv->use_underline)
{
if (!priv->pattern_set)
{
- if (priv->effective_attrs)
- pango_attr_list_unref (priv->effective_attrs);
- priv->effective_attrs = NULL;
+ if (priv->markup_attrs)
+ pango_attr_list_unref (priv->markup_attrs);
+ priv->markup_attrs = NULL;
}
gtk_label_set_text_internal (label, g_strdup (priv->label));
}
- gtk_label_compose_effective_attrs (label);
-
if (!priv->use_underline)
priv->mnemonic_keyval = GDK_KEY_VoidSymbol;
gtk_label_set_attributes (GtkLabel *label,
PangoAttrList *attrs)
{
+ GtkLabelPrivate *priv = label->priv;
+
g_return_if_fail (GTK_IS_LABEL (label));
- gtk_label_set_attributes_internal (label, attrs);
+ if (attrs)
+ pango_attr_list_ref (attrs);
- gtk_label_recalculate (label);
+ if (priv->attrs)
+ pango_attr_list_unref (priv->attrs);
+ priv->attrs = attrs;
+
+ g_object_notify (G_OBJECT (label), "attributes");
gtk_label_clear_layout (label);
gtk_widget_queue_resize (GTK_WIDGET (label));
GtkLabel *label;
GList *links;
GString *new_str;
- GdkColor *link_color;
- GdkColor *visited_link_color;
+ gsize text_len;
} UriParserData;
static void
gint line_number;
gint char_number;
gint i;
- GdkColor *color = NULL;
g_markup_parse_context_get_position (context, &line_number, &char_number);
}
}
- if (visited)
- color = pdata->visited_link_color;
- else
- color = pdata->link_color;
-
- g_string_append_printf (pdata->new_str,
- "<span color=\"#%04x%04x%04x\" underline=\"single\">",
- color->red,
- color->green,
- color->blue);
-
link = g_new0 (GtkLabelLink, 1);
link->uri = g_strdup (uri);
link->title = g_strdup (title);
link->visited = visited;
- pdata->links = g_list_append (pdata->links, link);
+ link->start = pdata->text_len;
+ pdata->links = g_list_prepend (pdata->links, link);
}
else
{
UriParserData *pdata = user_data;
if (!strcmp (element_name, "a"))
- g_string_append (pdata->new_str, "</span>");
+ {
+ GtkLabelLink *link = pdata->links->data;
+ link->end = pdata->text_len;
+ }
else
{
g_string_append (pdata->new_str, "</");
newtext = g_markup_escape_text (text, text_len);
g_string_append (pdata->new_str, newtext);
+ pdata->text_len += text_len;
g_free (newtext);
}
}
static void
-gtk_label_get_link_colors (GtkWidget *widget,
- GdkColor **link_color,
- GdkColor **visited_link_color)
+gtk_label_get_link_colors (GtkWidget *widget,
+ GdkColor *link_color,
+ GdkColor *visited_link_color)
{
GtkStyleContext *context;
+ GdkColor *link, *visited;
context = gtk_widget_get_style_context (widget);
gtk_style_context_get_style (context,
- "link-color", link_color,
- "visited-link-color", visited_link_color,
+ "link-color", &link,
+ "visited-link-color", &visited,
NULL);
- if (!*link_color)
- *link_color = gdk_color_copy (&default_link_color);
- if (!*visited_link_color)
- *visited_link_color = gdk_color_copy (&default_visited_link_color);
+ if (link)
+ {
+ *link_color = *link;
+ gdk_color_free (link);
+ }
+ else
+ *link_color = default_link_color;
+
+ if (visited)
+ {
+ *visited_link_color = *visited;
+ gdk_color_free (visited);
+ }
+ else
+ *visited_link_color = default_visited_link_color;
}
static gboolean
pdata.label = label;
pdata.links = NULL;
pdata.new_str = g_string_sized_new (length);
-
- gtk_label_get_link_colors (GTK_WIDGET (label), &pdata.link_color, &pdata.visited_link_color);
+ pdata.text_len = 0;
while (p != end && xml_isspace (*p))
p++;
*new_str = g_string_free (pdata.new_str, FALSE);
*links = pdata.links;
- gdk_color_free (pdata.link_color);
- gdk_color_free (pdata.visited_link_color);
-
return TRUE;
failed:
g_markup_parse_context_free (context);
g_string_free (pdata.new_str, TRUE);
- g_list_foreach (pdata.links, (GFunc)link_free, NULL);
- g_list_free (pdata.links);
- gdk_color_free (pdata.link_color);
- gdk_color_free (pdata.visited_link_color);
+ g_list_free_full (pdata.links, (GDestroyNotify) link_free);
return FALSE;
}
return;
}
- gtk_label_clear_links (label);
if (links)
{
gtk_label_ensure_select_info (label);
- priv->select_info->links = links;
+ priv->select_info->links = g_list_reverse (links);
gtk_label_ensure_has_tooltip (label);
}
if (attrs)
{
- if (priv->effective_attrs)
- pango_attr_list_unref (priv->effective_attrs);
- priv->effective_attrs = attrs;
+ if (priv->markup_attrs)
+ pango_attr_list_unref (priv->markup_attrs);
+ priv->markup_attrs = attrs;
}
if (accel_char != 0)
else
attrs = gtk_label_pattern_to_attrs (label, pattern);
- if (priv->effective_attrs)
- pango_attr_list_unref (priv->effective_attrs);
- priv->effective_attrs = attrs;
+ if (priv->markup_attrs)
+ pango_attr_list_unref (priv->markup_attrs);
+ priv->markup_attrs = attrs;
}
/**
if (priv->attrs)
pango_attr_list_unref (priv->attrs);
- if (priv->effective_attrs)
- pango_attr_list_unref (priv->effective_attrs);
+ if (priv->markup_attrs)
+ pango_attr_list_unref (priv->markup_attrs);
gtk_label_clear_links (label);
g_free (priv->select_info);
{
g_object_unref (priv->layout);
priv->layout = NULL;
-
- //gtk_label_clear_links (label);
}
}
-static PangoFontMetrics *
-get_font_metrics (PangoContext *context, GtkWidget *widget)
-{
- GtkStyleContext *style_context;
- const PangoFontDescription *font;
- PangoFontMetrics *retval;
-
- style_context = gtk_widget_get_style_context (widget);
- font = gtk_style_context_get_font (style_context, GTK_STATE_FLAG_NORMAL);
-
- retval = pango_context_get_metrics (context,
- font,
- pango_context_get_language (context));
-
- return retval;
-}
-
/**
* gtk_label_get_measuring_layout:
* @label: the label
* @existing_layout: %NULL or an existing layout already in use.
* @width: the width to measure with in pango units, or -1 for infinite
- * @height: the height to measure with in pango units, or -1 for infinite
*
* Gets a layout that can be used for measuring sizes. The returned
* layout will be identical to the label's layout except for the
static PangoLayout *
gtk_label_get_measuring_layout (GtkLabel * label,
PangoLayout *existing_layout,
- int width,
- int height)
+ int width)
{
GtkLabelPrivate *priv = label->priv;
PangoRectangle rect;
if (existing_layout != priv->layout)
{
pango_layout_set_width (existing_layout, width);
- pango_layout_set_height (existing_layout, height);
return existing_layout;
}
gtk_label_ensure_layout (label);
- if (pango_layout_get_width (priv->layout) == width &&
- pango_layout_get_height (priv->layout) == height)
+ if (pango_layout_get_width (priv->layout) == width)
{
g_object_ref (priv->layout);
return priv->layout;
{
g_object_ref (priv->layout);
pango_layout_set_width (priv->layout, width);
- pango_layout_set_height (priv->layout, height);
return priv->layout;
}
*/
pango_layout_get_extents (priv->layout, NULL, &rect);
if ((width == -1 || rect.width <= width) &&
- (height == -1 || rect.height <= height) &&
!pango_layout_is_wrapped (priv->layout) &&
!pango_layout_is_ellipsized (priv->layout))
{
copy = pango_layout_copy (priv->layout);
pango_layout_set_width (copy, width);
- pango_layout_set_height (copy, height);
return copy;
}
if (priv->ellipsize || priv->wrap)
{
+ GtkBorder border;
PangoRectangle logical;
- gint xpad, ypad;
gint width, height;
- gtk_misc_get_padding (GTK_MISC (label), &xpad, &ypad);
+ _gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
- width = gtk_widget_get_allocated_width (GTK_WIDGET (label)) - xpad * 2;
- height = gtk_widget_get_allocated_height (GTK_WIDGET (label)) - ypad * 2;
+ width = gtk_widget_get_allocated_width (GTK_WIDGET (label)) - border.left - border.right;
+ height = gtk_widget_get_allocated_height (GTK_WIDGET (label)) - border.top - border.bottom;
if (priv->have_transform)
{
const gdouble dy = matrix->xy; /* sin (M_PI * angle / 180) */
pango_layout_set_width (priv->layout, -1);
- pango_layout_set_height (priv->layout, -1);
pango_layout_get_pixel_extents (priv->layout, NULL, &logical);
if (fabs (dy) < 0.01)
else
{
pango_layout_set_width (priv->layout, width * PANGO_SCALE);
- pango_layout_set_height (priv->layout, priv->ellipsize ? height * PANGO_SCALE : -1);
}
}
else
{
pango_layout_set_width (priv->layout, -1);
- pango_layout_set_height (priv->layout, -1);
}
}
if (!priv->layout)
{
PangoAlignment align = PANGO_ALIGN_LEFT; /* Quiet gcc */
+ PangoAttrList *attrs;
gdouble angle = gtk_label_get_angle (label);
if (angle != 0.0 && !priv->select_info)
priv->layout = gtk_widget_create_pango_layout (widget, priv->text);
- if (priv->effective_attrs)
- pango_layout_set_attributes (priv->layout, priv->effective_attrs);
+ if (priv->select_info && priv->select_info->links)
+ {
+ GdkColor link_color, visited_color;
+ PangoAttribute *attribute;
+ GList *list;
+
+ gtk_label_get_link_colors (widget, &link_color, &visited_color);
+ attrs = pango_attr_list_new ();
+
+ for (list = priv->select_info->links; list; list = list->next)
+ {
+ GtkLabelLink *link = list->data;
+
+ attribute = pango_attr_underline_new (TRUE);
+ attribute->start_index = link->start;
+ attribute->end_index = link->end;
+ pango_attr_list_insert (attrs, attribute);
+
+ if (link->visited)
+ attribute = pango_attr_foreground_new (visited_color.red,
+ visited_color.green,
+ visited_color.blue);
+ else
+ attribute = pango_attr_foreground_new (link_color.red,
+ link_color.green,
+ link_color.blue);
+ attribute->start_index = link->start;
+ attribute->end_index = link->end;
+ pango_attr_list_insert (attrs, attribute);
+ }
+ }
+ else if (priv->markup_attrs || priv->attrs)
+ attrs = pango_attr_list_new ();
+ else
+ attrs = NULL;
- gtk_label_rescan_links (label);
+ if (priv->markup_attrs)
+ {
+ if (attrs)
+ my_pango_attr_list_merge (attrs, priv->markup_attrs);
+ else
+ attrs = pango_attr_list_ref (priv->markup_attrs);
+ }
+
+ if (priv->attrs)
+ {
+ if (attrs)
+ my_pango_attr_list_merge (attrs, priv->attrs);
+ else
+ attrs = pango_attr_list_ref (priv->attrs);
+ }
+
+ if (attrs)
+ {
+ pango_layout_set_attributes (priv->layout, attrs);
+ pango_attr_list_unref (attrs);
+ }
switch (priv->jtype)
{
}
}
-static gint
-get_single_line_height (GtkWidget *widget,
- PangoLayout *layout)
-{
- PangoContext *context;
- PangoFontMetrics *metrics;
- gint ascent, descent;
-
- context = pango_layout_get_context (layout);
- metrics = get_font_metrics (context, widget);
- ascent = pango_font_metrics_get_ascent (metrics);
- descent = pango_font_metrics_get_descent (metrics);
- pango_font_metrics_unref (metrics);
-
- return ascent + descent;
-}
-
static GtkSizeRequestMode
gtk_label_get_request_mode (GtkWidget *widget)
{
gint *minimum_size,
gint *natural_size)
{
- GtkLabelPrivate *priv = label->priv;
PangoLayout *layout;
gint text_height;
- layout = gtk_label_get_measuring_layout (label, NULL, allocation * PANGO_SCALE, -1);
+ layout = gtk_label_get_measuring_layout (label, NULL, allocation * PANGO_SCALE);
pango_layout_get_pixel_size (layout, NULL, &text_height);
*minimum_size = text_height;
if (natural_size)
- {
- if (priv->ellipsize && priv->wrap)
- {
- layout = gtk_label_get_measuring_layout (label, layout, allocation * PANGO_SCALE, G_MAXINT);
- pango_layout_get_pixel_size (layout, NULL, &text_height);
- }
-
- *natural_size = text_height;
- }
+ *natural_size = text_height;
g_object_unref (layout);
}
gint char_width, digit_width;
context = pango_layout_get_context (layout);
- metrics = get_font_metrics (context, GTK_WIDGET (label));
+ 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);
digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
pango_font_metrics_unref (metrics);
static void
gtk_label_get_preferred_layout_size (GtkLabel *label,
- PangoRectangle *required,
- PangoRectangle *natural)
+ PangoRectangle *smallest,
+ PangoRectangle *widest)
{
GtkLabelPrivate *priv = label->priv;
PangoLayout *layout;
+ gint char_pixels;
/* "width-chars" Hard-coded minimum width:
* - minimum size should be MAX (width-chars, strlen ("..."));
*/
/* Start off with the pixel extents of an as-wide-as-possible layout */
- layout = gtk_label_get_measuring_layout (label, NULL, -1, -1);
-
- pango_layout_get_extents (layout, NULL, natural);
- natural->x = natural->y = 0;
+ layout = gtk_label_get_measuring_layout (label, NULL, -1);
- if (priv->wrap)
- natural->height = get_single_line_height (GTK_WIDGET (label), layout);
+ if (priv->width_chars > -1 || priv->max_width_chars > -1)
+ char_pixels = get_char_pixels (GTK_WIDGET (label), layout);
+ else
+ char_pixels = 0;
+
+ pango_layout_get_extents (layout, NULL, widest);
+ widest->width = MAX (widest->width, char_pixels * priv->width_chars);
+ widest->x = widest->y = 0;
if (priv->ellipsize || priv->wrap)
{
/* a layout with width 0 will be as small as humanly possible */
- layout = gtk_label_get_measuring_layout (label, layout, 0, -1);
+ layout = gtk_label_get_measuring_layout (label,
+ layout,
+ priv->width_chars > -1 ? char_pixels * priv->width_chars
+ : 0);
- pango_layout_get_extents (layout, NULL, required);
+ pango_layout_get_extents (layout, NULL, smallest);
+ smallest->width = MAX (smallest->width, char_pixels * priv->width_chars);
+ smallest->x = smallest->y = 0;
- /* can happen when Pango decides to ellipsize text */
- if (required->width > natural->width)
- required->width = natural->width;
-
- required->x = required->y = 0;
- required->height = natural->height;
+ if (priv->max_width_chars > -1 && widest->width > char_pixels * priv->max_width_chars)
+ {
+ layout = gtk_label_get_measuring_layout (label,
+ layout,
+ MAX (smallest->width, char_pixels * priv->max_width_chars));
+ pango_layout_get_extents (layout, NULL, widest);
+ widest->width = MAX (widest->width, char_pixels * priv->width_chars);
+ widest->x = widest->y = 0;
+ }
}
else
{
- *required = *natural;
+ *smallest = *widest;
}
- if (priv->width_chars > -1 || priv->max_width_chars > -1)
- {
- gint char_pixels;
-
- char_pixels = get_char_pixels (GTK_WIDGET (label), layout);
-
- if (priv->width_chars > -1)
- required->width = MAX (required->width, char_pixels * priv->width_chars);
-
- if (priv->max_width_chars > -1)
- natural->width = MIN (natural->width, priv->max_width_chars * char_pixels);
- natural->width = MAX (natural->width, required->width);
- }
+ if (widest->width < smallest->width)
+ *smallest = *widest;
g_object_unref (layout);
}
{
GtkLabel *label = GTK_LABEL (widget);
GtkLabelPrivate *priv = label->priv;
- PangoRectangle required_rect;
- PangoRectangle natural_rect;
- gint xpad, ypad;
+ PangoRectangle widest_rect;
+ PangoRectangle smallest_rect;
+ GtkBorder border;
- gtk_label_get_preferred_layout_size (label, &required_rect, &natural_rect);
+ gtk_label_get_preferred_layout_size (label, &smallest_rect, &widest_rect);
/* Now that we have minimum and natural sizes in pango extents, apply a possible transform */
if (priv->have_transform)
{
- PangoLayout *copy;
PangoContext *context;
const PangoMatrix *matrix;
- copy = pango_layout_copy (priv->layout);
- context = pango_layout_get_context (copy);
+ context = pango_layout_get_context (priv->layout);
matrix = pango_context_get_matrix (context);
- pango_layout_set_width (copy, -1);
- pango_layout_set_ellipsize (copy, PANGO_ELLIPSIZE_NONE);
-
- pango_layout_get_extents (copy, NULL, &natural_rect);
- g_object_unref (copy);
+ pango_matrix_transform_rectangle (matrix, &widest_rect);
+ pango_matrix_transform_rectangle (matrix, &smallest_rect);
- pango_matrix_transform_rectangle (matrix, &required_rect);
- pango_matrix_transform_rectangle (matrix, &natural_rect);
-
- /* Bump the natural size in case of ellipsize to ensure pango has
+ /* Bump the size in case of ellipsize to ensure pango has
* enough space in the angles (note, we could alternatively set the
* layout to not ellipsize when we know we have been allocated our
- * full natural size, or it may be that pango needs a fix here).
+ * full size, or it may be that pango needs a fix here).
*/
if (priv->ellipsize && priv->angle != 0 && priv->angle != 90 &&
priv->angle != 180 && priv->angle != 270 && priv->angle != 360)
/* For some reason we only need this at about 110 degrees, and only
* when gaining in height
*/
- natural_rect.height += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
- natural_rect.width += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
+ widest_rect.height += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
+ widest_rect.width += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
+ smallest_rect.height += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
+ smallest_rect.width += ROTATION_ELLIPSIZE_PADDING * 2 * PANGO_SCALE;
}
}
- required_rect.width = PANGO_PIXELS_CEIL (required_rect.width);
- required_rect.height = PANGO_PIXELS_CEIL (required_rect.height);
+ widest_rect.width = PANGO_PIXELS_CEIL (widest_rect.width);
+ widest_rect.height = PANGO_PIXELS_CEIL (widest_rect.height);
- natural_rect.width = PANGO_PIXELS_CEIL (natural_rect.width);
- natural_rect.height = PANGO_PIXELS_CEIL (natural_rect.height);
+ smallest_rect.width = PANGO_PIXELS_CEIL (smallest_rect.width);
+ smallest_rect.height = PANGO_PIXELS_CEIL (smallest_rect.height);
- gtk_misc_get_padding (GTK_MISC (label), &xpad, &ypad);
+ _gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
*/
get_size_for_allocation (label,
GTK_ORIENTATION_VERTICAL,
- required_rect.height,
+ smallest_rect.height,
minimum_size, natural_size);
}
else
{
/* Normal desired width */
- *minimum_size = required_rect.width;
- *natural_size = natural_rect.width;
+ *minimum_size = smallest_rect.width;
+ *natural_size = widest_rect.width;
}
- *minimum_size += xpad * 2;
- *natural_size += xpad * 2;
+ *minimum_size += border.left + border.right;
+ *natural_size += border.left + border.right;
}
else /* GTK_ORIENTATION_VERTICAL */
{
*/
get_size_for_allocation (label,
GTK_ORIENTATION_HORIZONTAL,
- required_rect.width,
+ widest_rect.width,
minimum_size, natural_size);
}
else
/* A vertically rotated label does w4h, so return the base
* desired height (text length)
*/
- *minimum_size = required_rect.height;
- *natural_size = natural_rect.height;
+ *minimum_size = MIN (smallest_rect.height, widest_rect.height);
+ *natural_size = MAX (smallest_rect.height, widest_rect.height);
}
- *minimum_size += ypad * 2;
- *natural_size += ypad * 2;
+ *minimum_size += border.top + border.bottom;
+ *natural_size += border.top + border.bottom;
}
}
-
static void
gtk_label_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
if (priv->wrap && (priv->angle == 90 || priv->angle == 270))
{
- gint xpad, ypad;
+ GtkBorder border;
- gtk_misc_get_padding (GTK_MISC (label), &xpad, &ypad);
+ _gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
if (priv->wrap)
gtk_label_clear_layout (label);
get_size_for_allocation (label, GTK_ORIENTATION_VERTICAL,
- MAX (1, height - (ypad * 2)),
+ MAX (1, height - border.top - border.bottom),
minimum_width, natural_width);
if (minimum_width)
- *minimum_width += xpad * 2;
+ *minimum_width += border.right + border.left;
if (natural_width)
- *natural_width += xpad * 2;
+ *natural_width += border.right + border.left;
}
else
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_width, natural_width);
if (priv->wrap && (priv->angle == 0 || priv->angle == 180 || priv->angle == 360))
{
- gint xpad, ypad;
+ GtkBorder border;
- gtk_misc_get_padding (GTK_MISC (label), &xpad, &ypad);
+ _gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
if (priv->wrap)
gtk_label_clear_layout (label);
get_size_for_allocation (label, GTK_ORIENTATION_HORIZONTAL,
- MAX (1, width - xpad * 2),
+ MAX (1, width - border.left - border.right),
minimum_height, natural_height);
if (minimum_height)
- *minimum_height += ypad * 2;
+ *minimum_height += border.top + border.bottom;
if (natural_height)
- *natural_height += ypad * 2;
+ *natural_height += border.top + border.bottom;
}
else
GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, minimum_height, natural_height);
}
static void
-gtk_label_state_changed (GtkWidget *widget,
- GtkStateType prev_state)
+gtk_label_state_flags_changed (GtkWidget *widget,
+ GtkStateFlags prev_state)
{
GtkLabel *label = GTK_LABEL (widget);
GtkLabelPrivate *priv = label->priv;
gtk_label_update_cursor (label);
}
- if (GTK_WIDGET_CLASS (gtk_label_parent_class)->state_changed)
- GTK_WIDGET_CLASS (gtk_label_parent_class)->state_changed (widget, prev_state);
-}
-
-static void
-gtk_label_style_updated (GtkWidget *widget)
-{
- GtkLabel *label = GTK_LABEL (widget);
-
- GTK_WIDGET_CLASS (gtk_label_parent_class)->style_updated (widget);
-
- /* We have to clear the layout, fonts etc. may have changed */
- gtk_label_clear_layout (label);
-}
-
-static void
-gtk_label_direction_changed (GtkWidget *widget,
- GtkTextDirection previous_dir)
-{
- GtkLabel *label = GTK_LABEL (widget);
- GtkLabelPrivate *priv = label->priv;
-
- if (priv->layout)
- pango_layout_context_changed (priv->layout);
-
- GTK_WIDGET_CLASS (gtk_label_parent_class)->direction_changed (widget, previous_dir);
+ if (GTK_WIDGET_CLASS (gtk_label_parent_class)->state_flags_changed)
+ GTK_WIDGET_CLASS (gtk_label_parent_class)->state_flags_changed (widget, prev_state);
}
static void
GtkMisc *misc;
GtkWidget *widget;
GtkLabelPrivate *priv;
+ GtkBorder border;
gint req_width, x, y;
gint req_height;
- gint xpad, ypad;
gfloat xalign, yalign;
PangoRectangle logical;
priv = label->priv;
gtk_misc_get_alignment (misc, &xalign, &yalign);
- gtk_misc_get_padding (misc, &xpad, &ypad);
+ _gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
xalign = 1.0 - xalign;
req_width = logical.width;
req_height = logical.height;
- req_width += 2 * xpad;
- req_height += 2 * ypad;
+ req_width += border.left + border.right;
+ req_height += border.top + border.bottom;
gtk_widget_get_allocation (widget, &allocation);
- x = floor (allocation.x + xpad + xalign * (allocation.width - req_width) - logical.x);
-
+ x = floor (allocation.x + border.left + xalign * (allocation.width - req_width) - logical.x);
/* bgo#315462 - For single-line labels, *do* align the requisition with
* respect to the allocation, even if we are under-allocated. For multi-line
* middle". You want to read the first line, at least, to get some context.
*/
if (pango_layout_get_line_count (priv->layout) == 1)
- y = floor (allocation.y + ypad + (allocation.height - req_height) * yalign) - logical.y;
+ y = floor (allocation.y + border.top + (allocation.height - req_height) * yalign) - logical.y;
else
- y = floor (allocation.y + ypad + MAX ((allocation.height - req_height) * yalign, 0)) - logical.y;
+ y = floor (allocation.y + border.top + MAX ((allocation.height - req_height) * yalign, 0)) - logical.y;
if (xp)
*xp = x;
*yp = y;
}
-static void
-draw_insertion_cursor (GtkLabel *label,
- cairo_t *cr,
- GdkRectangle *cursor_location,
- gboolean is_primary,
- PangoDirection direction,
- gboolean draw_arrow)
-{
- GtkWidget *widget = GTK_WIDGET (label);
- GtkTextDirection text_dir;
-
- if (direction == PANGO_DIRECTION_LTR)
- text_dir = GTK_TEXT_DIR_LTR;
- else
- text_dir = GTK_TEXT_DIR_RTL;
-
- gtk_draw_insertion_cursor (widget, cr, cursor_location,
- is_primary, text_dir, draw_arrow);
-}
-
static PangoDirection
get_cursor_direction (GtkLabel *label)
{
return PANGO_DIRECTION_LTR;
}
-static void
-gtk_label_draw_cursor (GtkLabel *label, cairo_t *cr, gint xoffset, gint yoffset)
-{
- GtkLabelPrivate *priv = label->priv;
- GtkWidget *widget;
-
- if (priv->select_info == NULL)
- return;
-
- widget = GTK_WIDGET (label);
-
- if (gtk_widget_is_drawable (widget))
- {
- PangoDirection keymap_direction;
- PangoDirection cursor_direction;
- PangoRectangle strong_pos, weak_pos;
- gboolean split_cursor;
- PangoRectangle *cursor1 = NULL;
- PangoRectangle *cursor2 = NULL;
- GdkRectangle cursor_location;
- PangoDirection dir1 = PANGO_DIRECTION_NEUTRAL;
- PangoDirection dir2 = PANGO_DIRECTION_NEUTRAL;
-
- keymap_direction = gdk_keymap_get_direction (gdk_keymap_get_for_display (gtk_widget_get_display (widget)));
- cursor_direction = get_cursor_direction (label);
-
- gtk_label_ensure_layout (label);
-
- pango_layout_get_cursor_pos (priv->layout, priv->select_info->selection_end,
- &strong_pos, &weak_pos);
-
- g_object_get (gtk_widget_get_settings (widget),
- "gtk-split-cursor", &split_cursor,
- NULL);
-
- dir1 = cursor_direction;
-
- if (split_cursor)
- {
- cursor1 = &strong_pos;
-
- if (strong_pos.x != weak_pos.x ||
- strong_pos.y != weak_pos.y)
- {
- dir2 = (cursor_direction == PANGO_DIRECTION_LTR) ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
- cursor2 = &weak_pos;
- }
- }
- else
- {
- if (keymap_direction == cursor_direction)
- cursor1 = &strong_pos;
- else
- cursor1 = &weak_pos;
- }
-
- cursor_location.x = xoffset + PANGO_PIXELS (cursor1->x);
- cursor_location.y = yoffset + PANGO_PIXELS (cursor1->y);
- cursor_location.width = 0;
- cursor_location.height = PANGO_PIXELS (cursor1->height);
-
- draw_insertion_cursor (label, cr,
- &cursor_location, TRUE, dir1,
- dir2 != PANGO_DIRECTION_NEUTRAL);
-
- if (dir2 != PANGO_DIRECTION_NEUTRAL)
- {
- cursor_location.x = xoffset + PANGO_PIXELS (cursor2->x);
- cursor_location.y = yoffset + PANGO_PIXELS (cursor2->y);
- cursor_location.width = 0;
- cursor_location.height = PANGO_PIXELS (cursor2->height);
-
- draw_insertion_cursor (label, cr,
- &cursor_location, FALSE, dir2,
- TRUE);
- }
- }
-}
-
static GtkLabelLink *
gtk_label_get_focus_link (GtkLabel *label)
{
gtk_label_ensure_layout (label);
+ context = gtk_widget_get_style_context (widget);
+ gtk_widget_get_allocation (widget, &allocation);
+
+ gtk_render_background (context, cr,
+ 0, 0,
+ allocation.width, allocation.height);
+ gtk_render_frame (context, cr,
+ 0, 0,
+ allocation.width, allocation.height);
+
if (priv->text && (*priv->text != '\0'))
{
- GdkRGBA bg_color, fg_color;
-
get_layout_location (label, &x, &y);
- context = gtk_widget_get_style_context (widget);
- gtk_widget_get_allocation (widget, &allocation);
-
cairo_translate (cr, -allocation.x, -allocation.y);
- state = gtk_widget_get_state_flags (widget);
- gtk_style_context_set_state (context, state);
-
gtk_render_layout (context, cr,
x, y,
priv->layout);
+ state = gtk_widget_get_state_flags (widget);
+
if (info &&
(info->selection_anchor != info->selection_end))
{
gint range[2];
cairo_region_t *clip;
+ GdkRGBA bg_color, fg_color;
range[0] = info->selection_anchor;
range[1] = info->selection_end;
gdk_cairo_region (cr, clip);
cairo_clip (cr);
- state = GTK_STATE_FLAG_SELECTED;
-
- if (gtk_widget_has_focus (widget))
- state |= GTK_STATE_FLAG_FOCUSED;
+ state |= GTK_STATE_FLAG_SELECTED;
gtk_style_context_get_color (context, state, &fg_color);
gtk_style_context_get_background_color (context, state, &bg_color);
cairo_region_t *clip;
GdkRectangle rect;
GdkColor *text_color;
- GdkColor *link_color;
- GdkColor *visited_link_color;
+ GdkColor link_color;
+ GdkColor visited_link_color;
+
+ if (info->selectable &&
+ gtk_widget_has_focus (widget) &&
+ gtk_widget_is_drawable (widget))
+ {
+ PangoDirection cursor_direction;
- if (info->selectable && gtk_widget_has_focus (widget))
- gtk_label_draw_cursor (label, cr, x, y);
+ cursor_direction = get_cursor_direction (label);
+ gtk_render_insertion_cursor (context, cr,
+ x, y,
+ priv->layout, priv->select_info->selection_end,
+ cursor_direction);
+ }
focus_link = gtk_label_get_focus_link (label);
active_link = info->active_link;
gtk_label_get_link_colors (widget, &link_color, &visited_link_color);
if (active_link->visited)
- text_color = visited_link_color;
+ text_color = &visited_link_color;
else
- text_color = link_color;
+ text_color = &link_color;
if (info->link_clicked)
- state = GTK_STATE_FLAG_ACTIVE;
+ state |= GTK_STATE_FLAG_ACTIVE;
else
- state = GTK_STATE_FLAG_PRELIGHT;
+ state |= GTK_STATE_FLAG_PRELIGHT;
gtk_style_context_get_background_color (context, state, &bg_color);
gdk_cairo_set_source_rgba (cr, &bg_color);
cairo_paint (cr);
- gdk_cairo_set_source_color (cr, text_color);
+ cairo_set_source_rgb (cr, text_color->red / 65535.,
+ text_color->green / 65535.,
+ text_color->blue / 65535.);
cairo_move_to (cr, x, y);
_gtk_pango_fill_layout (cr, priv->layout);
- gdk_color_free (link_color);
- gdk_color_free (visited_link_color);
-
cairo_restore (cr);
}
1);
cairo_region_get_extents (clip, &rect);
- state = gtk_widget_get_state_flags (widget);
- gtk_style_context_set_state (context, state);
-
gtk_render_focus (context, cr,
rect.x, rect.y,
rect.width, rect.height);
if (info->active_link)
{
- if (event->button == 1)
+ if (gdk_event_triggers_context_menu ((GdkEvent *) event))
{
info->link_clicked = 1;
- gtk_widget_queue_draw (widget);
+ gtk_label_do_popup (label, event);
+ return TRUE;
}
- else if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
+ else if (event->button == GDK_BUTTON_PRIMARY)
{
info->link_clicked = 1;
- gtk_label_do_popup (label, event);
- return TRUE;
+ gtk_widget_queue_draw (widget);
}
}
info->in_drag = FALSE;
info->select_words = FALSE;
- if (event->button == 1)
+ if (gdk_event_triggers_context_menu ((GdkEvent *) event))
+ {
+ gtk_label_do_popup (label, event);
+
+ return TRUE;
+ }
+ else if (event->button == GDK_BUTTON_PRIMARY)
{
if (!gtk_widget_has_focus (widget))
{
return TRUE;
}
- else if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
- {
- gtk_label_do_popup (label, event);
- return TRUE;
- }
return FALSE;
}
return FALSE;
}
- if (event->button != 1)
+ if (event->button != GDK_BUTTON_PRIMARY)
return FALSE;
if (info->active_link &&
priv->select_info->window = gdk_window_new (gtk_widget_get_window (widget),
&attributes, attributes_mask);
- gdk_window_set_user_data (priv->select_info->window, widget);
+ gtk_widget_register_window (widget, priv->select_info->window);
if (attributes_mask & GDK_WA_CURSOR)
g_object_unref (attributes.cursor);
if (priv->select_info->window == NULL)
return;
- gdk_window_set_user_data (priv->select_info->window, NULL);
+ gtk_widget_unregister_window (GTK_WIDGET (label), priv->select_info->window);
gdk_window_destroy (priv->select_info->window);
priv->select_info->window = NULL;
}
if (!priv->select_info)
return;
- g_list_foreach (priv->select_info->links, (GFunc)link_free, NULL);
- g_list_free (priv->select_info->links);
+ g_list_free_full (priv->select_info->links, (GDestroyNotify) link_free);
priv->select_info->links = NULL;
priv->select_info->active_link = NULL;
}
-static void
-gtk_label_rescan_links (GtkLabel *label)
-{
- GtkLabelPrivate *priv = label->priv;
- PangoLayout *layout = priv->layout;
- PangoAttrList *attlist;
- PangoAttrIterator *iter;
- GList *links;
-
- if (!priv->select_info || !priv->select_info->links)
- return;
-
- attlist = pango_layout_get_attributes (layout);
-
- if (attlist == NULL)
- return;
-
- iter = pango_attr_list_get_iterator (attlist);
-
- links = priv->select_info->links;
-
- do
- {
- PangoAttribute *underline;
- PangoAttribute *color;
-
- underline = pango_attr_iterator_get (iter, PANGO_ATTR_UNDERLINE);
- color = pango_attr_iterator_get (iter, PANGO_ATTR_FOREGROUND);
-
- if (underline != NULL && color != NULL)
- {
- gint start, end;
- PangoRectangle start_pos;
- PangoRectangle end_pos;
- GtkLabelLink *link;
-
- pango_attr_iterator_range (iter, &start, &end);
- pango_layout_index_to_pos (layout, start, &start_pos);
- pango_layout_index_to_pos (layout, end, &end_pos);
-
- if (links == NULL)
- {
- g_warning ("Ran out of links");
- break;
- }
- link = links->data;
- links = links->next;
- link->start = start;
- link->end = end;
- }
- } while (pango_attr_iterator_next (iter));
-
- pango_attr_iterator_destroy (iter);
-}
-
static gboolean
gtk_label_activate_link (GtkLabel *label,
const gchar *uri)
{
link->visited = TRUE;
/* FIXME: shouldn't have to redo everything here */
- gtk_label_recalculate (label);
+ gtk_label_clear_layout (label);
}
}
projects / ~andy / gtk / blobdiff