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authorChristian Persch <chpe@cvs.gnome.org>2004-09-13 18:24:56 +0800
committerChristian Persch <chpe@src.gnome.org>2004-09-13 18:24:56 +0800
commit2606279995f614634062e0aeb9833c482db5d083 (patch)
tree625e6ae5d03052e753c3322397b41f4174ca3926 /lib/widgets/ephy-label.c
parent79ec35d68d698710604fd4e9682188ae28ba1ae0 (diff)
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Merging pre-gnome-2-10 branch to HEAD.
2004-09-13 Christian Persch <chpe@cvs.gnome.org> Merging pre-gnome-2-10 branch to HEAD. Splitting ChangeLog.
Diffstat (limited to 'lib/widgets/ephy-label.c')
-rw-r--r--lib/widgets/ephy-label.c3463
1 files changed, 0 insertions, 3463 deletions
diff --git a/lib/widgets/ephy-label.c b/lib/widgets/ephy-label.c
deleted file mode 100644
index f11816729..000000000
--- a/lib/widgets/ephy-label.c
+++ /dev/null
@@ -1,3463 +0,0 @@
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * 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.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-/* Synch'd with gtklabel.c 1.154 */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gtk/gtkversion.h>
-
-#if !GTK_CHECK_VERSION (2, 5, 1)
-
-#include "ephy-label.h"
-
-#include <math.h>
-#include <string.h>
-#include <gtk/gtkmain.h>
-#include <gtk/gtkwindow.h>
-#include <gdk/gdkkeysyms.h>
-#include <gtk/gtkclipboard.h>
-#include <pango/pango.h>
-#include <gtk/gtkimagemenuitem.h>
-#include <gtk/gtkseparatormenuitem.h>
-#include <gtk/gtkmenuitem.h>
-#include <gtk/gtknotebook.h>
-#include <gtk/gtkstock.h>
-#include <gtk/gtkbindings.h>
-#include <glib/gi18n.h>
-#include <glib-object.h>
-
-#include "ephy-marshal.h"
-
-/* we don't need to translate the property blurbs */
-#undef P_
-#define P_(string) (string)
-
-struct _EphyLabelSelectionInfo
-{
- GdkWindow *window;
- gint selection_anchor;
- gint selection_end;
- GtkWidget *popup_menu;
-};
-
-enum {
- MOVE_CURSOR,
- COPY_CLIPBOARD,
- POPULATE_POPUP,
- LAST_SIGNAL
-};
-
-enum {
- PROP_0,
- PROP_LABEL,
- PROP_ATTRIBUTES,
- PROP_USE_MARKUP,
- PROP_USE_UNDERLINE,
- PROP_JUSTIFY,
- PROP_PATTERN,
- PROP_WRAP,
- PROP_SELECTABLE,
- PROP_MNEMONIC_KEYVAL,
- PROP_MNEMONIC_WIDGET,
- PROP_CURSOR_POSITION,
- PROP_SELECTION_BOUND,
- PROP_ELLIPSIZE
-};
-
-static guint signals[LAST_SIGNAL] = { 0 };
-
-static void ephy_label_class_init (EphyLabelClass *klass);
-static void ephy_label_init (EphyLabel *label);
-static void ephy_label_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void ephy_label_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static void ephy_label_destroy (GtkObject *object);
-static void ephy_label_finalize (GObject *object);
-static void ephy_label_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void ephy_label_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void ephy_label_state_changed (GtkWidget *widget,
- GtkStateType state);
-static void ephy_label_style_set (GtkWidget *widget,
- GtkStyle *previous_style);
-static void ephy_label_direction_changed (GtkWidget *widget,
- GtkTextDirection previous_dir);
-static gint ephy_label_expose (GtkWidget *widget,
- GdkEventExpose *event);
-
-static void ephy_label_realize (GtkWidget *widget);
-static void ephy_label_unrealize (GtkWidget *widget);
-static void ephy_label_map (GtkWidget *widget);
-static void ephy_label_unmap (GtkWidget *widget);
-
-static gboolean ephy_label_button_press (GtkWidget *widget,
- GdkEventButton *event);
-static gboolean ephy_label_button_release (GtkWidget *widget,
- GdkEventButton *event);
-static gboolean ephy_label_motion (GtkWidget *widget,
- GdkEventMotion *event);
-
-
-static void ephy_label_set_text_internal (EphyLabel *label,
- gchar *str);
-static void ephy_label_set_label_internal (EphyLabel *label,
- gchar *str);
-static void ephy_label_set_use_markup_internal (EphyLabel *label,
- gboolean val);
-static void ephy_label_set_use_underline_internal (EphyLabel *label,
- gboolean val);
-static void ephy_label_set_attributes_internal (EphyLabel *label,
- PangoAttrList *attrs);
-static void ephy_label_set_uline_text_internal (EphyLabel *label,
- const gchar *str);
-static void ephy_label_set_pattern_internal (EphyLabel *label,
- const gchar *pattern);
-static void set_markup (EphyLabel *label,
- const gchar *str,
- gboolean with_uline);
-static void ephy_label_recalculate (EphyLabel *label);
-static void ephy_label_hierarchy_changed (GtkWidget *widget,
- GtkWidget *old_toplevel);
-static void ephy_label_screen_changed (GtkWidget *widget,
- GdkScreen *old_screen);
-
-static void ephy_label_create_window (EphyLabel *label);
-static void ephy_label_destroy_window (EphyLabel *label);
-static void ephy_label_clear_layout (EphyLabel *label);
-static void ephy_label_ensure_layout (EphyLabel *label);
-static void ephy_label_select_region_index (EphyLabel *label,
- gint anchor_index,
- gint end_index);
-
-static gboolean ephy_label_mnemonic_activate (GtkWidget *widget,
- gboolean group_cycling);
-static void ephy_label_setup_mnemonic (EphyLabel *label,
- guint last_key);
-static gboolean ephy_label_focus (GtkWidget *widget,
- GtkDirectionType direction);
-
-/* For selectable lables: */
-static void ephy_label_move_cursor (EphyLabel *label,
- GtkMovementStep step,
- gint count,
- gboolean extend_selection);
-static void ephy_label_copy_clipboard (EphyLabel *label);
-static void ephy_label_select_all (EphyLabel *label);
-static void ephy_label_do_popup (EphyLabel *label,
- GdkEventButton *event);
-
-static gint ephy_label_move_forward_word (EphyLabel *label,
- gint start);
-static gint ephy_label_move_backward_word (EphyLabel *label,
- gint start);
-
-static GtkMiscClass *parent_class = NULL;
-
-
-GType
-ephy_label_get_type (void)
-{
- static GType label_type = 0;
-
- if (!label_type)
- {
- static const GTypeInfo label_info =
- {
- sizeof (EphyLabelClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) ephy_label_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (EphyLabel),
- 32, /* n_preallocs */
- (GInstanceInitFunc) ephy_label_init,
- };
-
- label_type = g_type_register_static (GTK_TYPE_MISC, "EphyLabel",
- &label_info, 0);
- }
-
- return label_type;
-}
-
-static void
-add_move_binding (GtkBindingSet *binding_set,
- guint keyval,
- guint modmask,
- GtkMovementStep step,
- gint count)
-{
- g_return_if_fail ((modmask & GDK_SHIFT_MASK) == 0);
-
- gtk_binding_entry_add_signal (binding_set, keyval, modmask,
- "move_cursor", 3,
- G_TYPE_ENUM, step,
- G_TYPE_INT, count,
- G_TYPE_BOOLEAN, FALSE);
-
- /* Selection-extending version */
- gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
- "move_cursor", 3,
- G_TYPE_ENUM, step,
- G_TYPE_INT, count,
- G_TYPE_BOOLEAN, TRUE);
-}
-
-static void
-ephy_label_class_init (EphyLabelClass *class)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- GtkObjectClass *object_class = GTK_OBJECT_CLASS (class);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
- GtkBindingSet *binding_set;
-
- parent_class = g_type_class_peek_parent (class);
-
- gobject_class->set_property = ephy_label_set_property;
- gobject_class->get_property = ephy_label_get_property;
- gobject_class->finalize = ephy_label_finalize;
-
- object_class->destroy = ephy_label_destroy;
-
- widget_class->size_request = ephy_label_size_request;
- widget_class->size_allocate = ephy_label_size_allocate;
- widget_class->state_changed = ephy_label_state_changed;
- widget_class->style_set = ephy_label_style_set;
- widget_class->direction_changed = ephy_label_direction_changed;
- widget_class->expose_event = ephy_label_expose;
- widget_class->realize = ephy_label_realize;
- widget_class->unrealize = ephy_label_unrealize;
- widget_class->map = ephy_label_map;
- widget_class->unmap = ephy_label_unmap;
- widget_class->button_press_event = ephy_label_button_press;
- widget_class->button_release_event = ephy_label_button_release;
- widget_class->motion_notify_event = ephy_label_motion;
- widget_class->hierarchy_changed = ephy_label_hierarchy_changed;
- widget_class->screen_changed = ephy_label_screen_changed;
- widget_class->mnemonic_activate = ephy_label_mnemonic_activate;
- widget_class->focus = ephy_label_focus;
-
- class->move_cursor = ephy_label_move_cursor;
- class->copy_clipboard = ephy_label_copy_clipboard;
-
- signals[MOVE_CURSOR] =
- g_signal_new ("move_cursor",
- G_OBJECT_CLASS_TYPE (gobject_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EphyLabelClass, move_cursor),
- NULL, NULL,
- ephy_marshal_VOID__ENUM_INT_BOOLEAN,
- G_TYPE_NONE, 3,
- GTK_TYPE_MOVEMENT_STEP,
- G_TYPE_INT,
- G_TYPE_BOOLEAN);
-
- signals[COPY_CLIPBOARD] =
- g_signal_new ("copy_clipboard",
- G_OBJECT_CLASS_TYPE (gobject_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EphyLabelClass, copy_clipboard),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
- signals[POPULATE_POPUP] =
- g_signal_new ("populate_popup",
- G_OBJECT_CLASS_TYPE (gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (EphyLabelClass, populate_popup),
- NULL, NULL,
- g_cclosure_marshal_VOID__OBJECT,
- G_TYPE_NONE, 1,
- GTK_TYPE_MENU);
-
- g_object_class_install_property (gobject_class,
- PROP_LABEL,
- g_param_spec_string ("label",
- P_("Label"),
- P_("The text of the label"),
- NULL,
- G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class,
- PROP_ATTRIBUTES,
- g_param_spec_boxed ("attributes",
- P_("Attributes"),
- P_("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",
- P_("Use markup"),
- P_("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",
- P_("Use underline"),
- P_("If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key"),
- FALSE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_JUSTIFY,
- g_param_spec_enum ("justify",
- P_("Justification"),
- P_("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",
- P_("Pattern"),
- P_("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",
- P_("Line wrap"),
- P_("If set, wrap lines if the text becomes too wide"),
- FALSE,
- G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class,
- PROP_SELECTABLE,
- g_param_spec_boolean ("selectable",
- P_("Selectable"),
- P_("Whether the label text can be selected with the mouse"),
- FALSE,
- G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class,
- PROP_MNEMONIC_KEYVAL,
- g_param_spec_uint ("mnemonic_keyval",
- P_("Mnemonic key"),
- P_("The mnemonic accelerator key for this label"),
- 0,
- G_MAXUINT,
- GDK_VoidSymbol,
- G_PARAM_READABLE));
- g_object_class_install_property (gobject_class,
- PROP_MNEMONIC_WIDGET,
- g_param_spec_object ("mnemonic_widget",
- P_("Mnemonic widget"),
- P_("The widget to be activated when the label's mnemonic "
- "key is pressed"),
- GTK_TYPE_WIDGET,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_CURSOR_POSITION,
- g_param_spec_int ("cursor_position",
- P_("Cursor Position"),
- P_("The current position of the insertion cursor in chars"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READABLE));
-
- g_object_class_install_property (gobject_class,
- PROP_SELECTION_BOUND,
- g_param_spec_int ("selection_bound",
- P_("Selection Bound"),
- P_("The position of the opposite end of the selection from the cursor in chars"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READABLE));
-
- /**
- * EphyLabel:ellipsize:
- *
- * The preferred place to ellipsize the string, if the label does not have
- * enough room to display the entire string, specified as a #PangoEllisizeMode.
- *
- * Note that setting this property to a value other than %PANGO_ELLIPSIZE_NONE
- * has the side-effect that the label requests only enough space to display the
- * ellipsis "...". Ellipsizing labels must be packed in a container which
- * ensures that the label gets a reasonable size allocated. In particular,
- * this means that ellipsizing labels don't work well in notebook tabs, unless
- * the tab's ::tab-expand property is set to %TRUE.
- *
- * Since: 2.6
- */
- g_object_class_install_property (gobject_class,
- PROP_ELLIPSIZE,
- g_param_spec_enum ("ellipsize",
- P_("Ellipsize"),
- P_("The preferred place to ellipsize the string, if the label does not have enough room to display the entire string, if at all"),
- PANGO_TYPE_ELLIPSIZE_MODE,
- PANGO_ELLIPSIZE_NONE,
- G_PARAM_READWRITE));
-
- /*
- * Key bindings
- */
-
- binding_set = gtk_binding_set_by_class (class);
-
- /* Moving the insertion point */
- add_move_binding (binding_set, GDK_Right, 0,
- GTK_MOVEMENT_VISUAL_POSITIONS, 1);
-
- add_move_binding (binding_set, GDK_Left, 0,
- GTK_MOVEMENT_VISUAL_POSITIONS, -1);
-
- add_move_binding (binding_set, GDK_KP_Right, 0,
- GTK_MOVEMENT_VISUAL_POSITIONS, 1);
-
- add_move_binding (binding_set, GDK_KP_Left, 0,
- GTK_MOVEMENT_VISUAL_POSITIONS, -1);
-
- add_move_binding (binding_set, GDK_f, GDK_CONTROL_MASK,
- GTK_MOVEMENT_LOGICAL_POSITIONS, 1);
-
- add_move_binding (binding_set, GDK_b, GDK_CONTROL_MASK,
- GTK_MOVEMENT_LOGICAL_POSITIONS, -1);
-
- add_move_binding (binding_set, GDK_Right, GDK_CONTROL_MASK,
- GTK_MOVEMENT_WORDS, 1);
-
- add_move_binding (binding_set, GDK_Left, GDK_CONTROL_MASK,
- GTK_MOVEMENT_WORDS, -1);
-
- add_move_binding (binding_set, GDK_KP_Right, GDK_CONTROL_MASK,
- GTK_MOVEMENT_WORDS, 1);
-
- add_move_binding (binding_set, GDK_KP_Left, GDK_CONTROL_MASK,
- GTK_MOVEMENT_WORDS, -1);
-
- add_move_binding (binding_set, GDK_a, GDK_CONTROL_MASK,
- GTK_MOVEMENT_PARAGRAPH_ENDS, -1);
-
- add_move_binding (binding_set, GDK_e, GDK_CONTROL_MASK,
- GTK_MOVEMENT_PARAGRAPH_ENDS, 1);
-
- add_move_binding (binding_set, GDK_f, GDK_MOD1_MASK,
- GTK_MOVEMENT_WORDS, 1);
-
- add_move_binding (binding_set, GDK_b, GDK_MOD1_MASK,
- GTK_MOVEMENT_WORDS, -1);
-
- add_move_binding (binding_set, GDK_Home, 0,
- GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
-
- add_move_binding (binding_set, GDK_End, 0,
- GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
-
- add_move_binding (binding_set, GDK_KP_Home, 0,
- GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
-
- add_move_binding (binding_set, GDK_KP_End, 0,
- GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
-
- add_move_binding (binding_set, GDK_Home, GDK_CONTROL_MASK,
- GTK_MOVEMENT_BUFFER_ENDS, -1);
-
- add_move_binding (binding_set, GDK_End, GDK_CONTROL_MASK,
- GTK_MOVEMENT_BUFFER_ENDS, 1);
-
- add_move_binding (binding_set, GDK_KP_Home, GDK_CONTROL_MASK,
- GTK_MOVEMENT_BUFFER_ENDS, -1);
-
- add_move_binding (binding_set, GDK_KP_End, GDK_CONTROL_MASK,
- GTK_MOVEMENT_BUFFER_ENDS, 1);
-
- /* copy */
- gtk_binding_entry_add_signal (binding_set, GDK_c, GDK_CONTROL_MASK,
- "copy_clipboard", 0);
-}
-
-static void
-ephy_label_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (object);
-
- switch (prop_id)
- {
- case PROP_LABEL:
- ephy_label_set_label (label, g_value_get_string (value));
- break;
- case PROP_ATTRIBUTES:
- ephy_label_set_attributes (label, g_value_get_boxed (value));
- break;
- case PROP_USE_MARKUP:
- ephy_label_set_use_markup (label, g_value_get_boolean (value));
- break;
- case PROP_USE_UNDERLINE:
- ephy_label_set_use_underline (label, g_value_get_boolean (value));
- break;
- case PROP_JUSTIFY:
- ephy_label_set_justify (label, g_value_get_enum (value));
- break;
- case PROP_PATTERN:
- ephy_label_set_pattern (label, g_value_get_string (value));
- break;
- case PROP_WRAP:
- ephy_label_set_line_wrap (label, g_value_get_boolean (value));
- break;
- case PROP_SELECTABLE:
- ephy_label_set_selectable (label, g_value_get_boolean (value));
- break;
- case PROP_MNEMONIC_WIDGET:
- ephy_label_set_mnemonic_widget (label, (GtkWidget*) g_value_get_object (value));
- break;
- case PROP_ELLIPSIZE:
- ephy_label_set_ellipsize (label, g_value_get_enum (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-ephy_label_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (object);
-
- switch (prop_id)
- {
- case PROP_LABEL:
- g_value_set_string (value, 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 PROP_JUSTIFY:
- g_value_set_enum (value, label->jtype);
- break;
- case PROP_WRAP:
- g_value_set_boolean (value, label->wrap);
- break;
- case PROP_SELECTABLE:
- g_value_set_boolean (value, ephy_label_get_selectable (label));
- break;
- case PROP_MNEMONIC_KEYVAL:
- g_value_set_uint (value, label->mnemonic_keyval);
- break;
- case PROP_MNEMONIC_WIDGET:
- g_value_set_object (value, (GObject*) label->mnemonic_widget);
- break;
- case PROP_CURSOR_POSITION:
- if (label->select_info)
- {
- gint offset = g_utf8_pointer_to_offset (label->text,
- label->text + label->select_info->selection_end);
- g_value_set_int (value, offset);
- }
- else
- g_value_set_int (value, 0);
- break;
- case PROP_SELECTION_BOUND:
- if (label->select_info)
- {
- gint offset = g_utf8_pointer_to_offset (label->text,
- label->text + label->select_info->selection_anchor);
- g_value_set_int (value, offset);
- }
- else
- g_value_set_int (value, 0);
- break;
- case PROP_ELLIPSIZE:
- g_value_set_enum (value, label->ellipsize);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-ephy_label_init (EphyLabel *label)
-{
- GTK_WIDGET_SET_FLAGS (label, GTK_NO_WINDOW);
-
- label->label = NULL;
-
- label->jtype = GTK_JUSTIFY_LEFT;
- label->wrap = FALSE;
- label->ellipsize = PANGO_ELLIPSIZE_NONE;
-
- label->use_underline = FALSE;
- label->use_markup = FALSE;
-
- label->mnemonic_keyval = GDK_VoidSymbol;
- label->layout = NULL;
- label->text = NULL;
- label->attrs = NULL;
-
- label->mnemonic_widget = NULL;
- label->mnemonic_window = NULL;
-
- ephy_label_set_text (label, "");
-}
-
-/**
- * ephy_label_new:
- * @str: The text of the label
- *
- * Creates a new label with the given text inside it. You can
- * pass %NULL to get an empty label widget.
- *
- * Return value: the new #EphyLabel
- **/
-GtkWidget*
-ephy_label_new (const gchar *str)
-{
- EphyLabel *label;
-
- label = g_object_new (EPHY_TYPE_LABEL, NULL);
-
- if (str && *str)
- ephy_label_set_text (label, str);
-
- return GTK_WIDGET (label);
-}
-
-/**
- * ephy_label_new_with_mnemonic:
- * @str: The text of the label, with an underscore in front of the
- * mnemonic character
- *
- * Creates a new #EphyLabel, containing the text in @str.
- *
- * If characters in @str are preceded by an underscore, they are
- * underlined. If you need a literal underscore character in a label, use
- * '__' (two underscores). The first underlined character represents a
- * keyboard accelerator called a mnemonic. The mnemonic key can be used
- * to activate another widget, chosen automatically, or explicitly using
- * ephy_label_set_mnemonic_widget().
- *
- * If ephy_label_set_mnemonic_widget()
- * is not called, then the first activatable ancestor of the #EphyLabel
- * will be chosen as the mnemonic widget. For instance, if the
- * label is inside a button or menu item, the button or menu item will
- * automatically become the mnemonic widget and be activated by
- * the mnemonic.
- *
- * Return value: the new #EphyLabel
- **/
-GtkWidget*
-ephy_label_new_with_mnemonic (const gchar *str)
-{
- EphyLabel *label;
-
- label = g_object_new (EPHY_TYPE_LABEL, NULL);
-
- if (str && *str)
- ephy_label_set_text_with_mnemonic (label, str);
-
- return GTK_WIDGET (label);
-}
-
-static gboolean
-ephy_label_mnemonic_activate (GtkWidget *widget,
- gboolean group_cycling)
-{
- GtkWidget *parent;
-
- if (EPHY_LABEL (widget)->mnemonic_widget)
- return gtk_widget_mnemonic_activate (EPHY_LABEL (widget)->mnemonic_widget, group_cycling);
-
- /* Try to find the widget to activate by traversing the
- * widget's ancestry.
- */
- parent = widget->parent;
-
- if (parent && GTK_IS_NOTEBOOK (parent))
- return FALSE;
-
- while (parent)
- {
- if (GTK_WIDGET_CAN_FOCUS (parent) ||
- (!group_cycling && GTK_WIDGET_GET_CLASS (parent)->activate_signal) ||
- (parent->parent && GTK_IS_NOTEBOOK (parent->parent)) ||
- (GTK_IS_MENU_ITEM (parent)))
- return gtk_widget_mnemonic_activate (parent, group_cycling);
- parent = parent->parent;
- }
-
- /* barf if there was nothing to activate */
- g_warning ("Couldn't find a target for a mnemonic activation.");
- gdk_display_beep (gtk_widget_get_display (widget));
-
- return FALSE;
-}
-
-static void
-ephy_label_setup_mnemonic (EphyLabel *label,
- guint last_key)
-{
- GtkWidget *toplevel;
-
- if (last_key != GDK_VoidSymbol && label->mnemonic_window)
- {
- gtk_window_remove_mnemonic (label->mnemonic_window,
- last_key,
- GTK_WIDGET (label));
- label->mnemonic_window = NULL;
- }
-
- if (label->mnemonic_keyval == GDK_VoidSymbol)
- return;
-
- toplevel = gtk_widget_get_toplevel (GTK_WIDGET (label));
- if (GTK_WIDGET_TOPLEVEL (toplevel))
- {
- gtk_window_add_mnemonic (GTK_WINDOW (toplevel),
- label->mnemonic_keyval,
- GTK_WIDGET (label));
- label->mnemonic_window = GTK_WINDOW (toplevel);
- }
-}
-
-static void
-ephy_label_hierarchy_changed (GtkWidget *widget,
- GtkWidget *old_toplevel)
-{
- EphyLabel *label = EPHY_LABEL (widget);
-
- ephy_label_setup_mnemonic (label, label->mnemonic_keyval);
-}
-
-static void
-ephy_label_screen_changed (GtkWidget *widget,
- GdkScreen *old_screen)
-{
- ephy_label_clear_layout (EPHY_LABEL (widget));
-}
-
-static void
-label_mnemonic_widget_weak_notify (gpointer data,
- GObject *where_the_object_was)
-{
- EphyLabel *label = data;
-
- label->mnemonic_widget = NULL;
- g_object_notify (G_OBJECT (label), "mnemonic_widget");
-}
-
-/**
- * ephy_label_set_mnemonic_widget:
- * @label: a #EphyLabel
- * @widget: the target #GtkWidget
- *
- * If the label has been set so that it has an mnemonic key (using
- * i.e. ephy_label_set_markup_with_mnemonic(),
- * ephy_label_set_text_with_mnemonic(), ephy_label_new_with_mnemonic()
- * or the "use_underline" property) the label can be associated with a
- * widget that is the target of the mnemonic. When the label is inside
- * a widget (like a #GtkButton or a #GtkNotebook tab) it is
- * automatically associated with the correct widget, but sometimes
- * (i.e. when the target is a #GtkEntry next to the label) you need to
- * set it explicitly using this function.
- *
- * The target widget will be accelerated by emitting "mnemonic_activate" on it.
- * The default handler for this signal will activate the widget if there are no
- * mnemonic collisions and toggle focus between the colliding widgets otherwise.
- **/
-void
-ephy_label_set_mnemonic_widget (EphyLabel *label,
- GtkWidget *widget)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
- if (widget)
- g_return_if_fail (GTK_IS_WIDGET (widget));
-
- if (label->mnemonic_widget)
- {
- gtk_widget_remove_mnemonic_label (label->mnemonic_widget, GTK_WIDGET (label));
- g_object_weak_unref (G_OBJECT (label->mnemonic_widget),
- label_mnemonic_widget_weak_notify,
- label);
- }
- label->mnemonic_widget = widget;
- if (label->mnemonic_widget)
- {
- g_object_weak_ref (G_OBJECT (label->mnemonic_widget),
- label_mnemonic_widget_weak_notify,
- label);
- gtk_widget_add_mnemonic_label (label->mnemonic_widget, GTK_WIDGET (label));
- }
-
- g_object_notify (G_OBJECT (label), "mnemonic_widget");
-}
-
-/**
- * ephy_label_get_mnemonic_widget:
- * @label: a #EphyLabel
- *
- * Retrieves the target of the mnemonic (keyboard shortcut) of this
- * label. See ephy_label_set_mnemonic_widget ().
- *
- * Return value: the target of the label's mnemonic, or %NULL if none
- * has been set and the default algorithm will be used.
- **/
-GtkWidget *
-ephy_label_get_mnemonic_widget (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), NULL);
-
- return label->mnemonic_widget;
-}
-
-/**
- * ephy_label_get_mnemonic_keyval:
- * @label: a #EphyLabel
- *
- * 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.
- *
- * Returns: GDK keyval usable for accelerators, or #GDK_VoidSymbol
- **/
-guint
-ephy_label_get_mnemonic_keyval (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), GDK_VoidSymbol);
-
- return label->mnemonic_keyval;
-}
-
-static void
-ephy_label_set_text_internal (EphyLabel *label,
- gchar *str)
-{
- g_free (label->text);
-
- label->text = str;
-
- ephy_label_select_region_index (label, 0, 0);
-}
-
-static void
-ephy_label_set_label_internal (EphyLabel *label,
- gchar *str)
-{
- g_free (label->label);
-
- label->label = str;
-
- g_object_notify (G_OBJECT (label), "label");
-}
-
-static void
-ephy_label_set_use_markup_internal (EphyLabel *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
-ephy_label_set_use_underline_internal (EphyLabel *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
-ephy_label_set_attributes_internal (EphyLabel *label,
- PangoAttrList *attrs)
-{
- if (attrs)
- pango_attr_list_ref (attrs);
-
- if (label->attrs)
- pango_attr_list_unref (label->attrs);
-
- if (!label->use_markup && !label->use_underline)
- {
- if (attrs)
- pango_attr_list_ref (attrs);
- if (label->effective_attrs)
- pango_attr_list_unref (label->effective_attrs);
- label->effective_attrs = attrs;
- }
-
- label->attrs = attrs;
- g_object_notify (G_OBJECT (label), "attributes");
-}
-
-
-/* Calculates text, attrs and mnemonic_keyval from
- * label, use_underline and use_markup
- */
-static void
-ephy_label_recalculate (EphyLabel *label)
-{
- if (label->use_markup)
- set_markup (label, label->label, label->use_underline);
- else
- {
- if (label->use_underline)
- ephy_label_set_uline_text_internal (label, label->label);
- else
- {
- ephy_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->use_underline)
- {
- guint keyval = label->mnemonic_keyval;
-
- label->mnemonic_keyval = GDK_VoidSymbol;
- ephy_label_setup_mnemonic (label, keyval);
- }
-
- ephy_label_clear_layout (label);
- gtk_widget_queue_resize (GTK_WIDGET (label));
-}
-
-/**
- * ephy_label_set_text:
- * @label: a #EphyLabel
- * @str: The text you want to set.
- *
- * Sets the text within the #EphyLabel widget. It overwrites any text that
- * was there before.
- *
- * This will also clear any previously set mnemonic accelerators.
- **/
-void
-ephy_label_set_text (EphyLabel *label,
- const gchar *str)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- g_object_freeze_notify (G_OBJECT (label));
-
- ephy_label_set_label_internal (label, g_strdup (str ? str : ""));
- ephy_label_set_use_markup_internal (label, FALSE);
- ephy_label_set_use_underline_internal (label, FALSE);
-
- ephy_label_recalculate (label);
-
- g_object_thaw_notify (G_OBJECT (label));
-}
-
-/**
- * ephy_label_set_attributes:
- * @label: a #EphyLabel
- * @attrs: a #PangoAttrList
- *
- * Sets a #PangoAttrList; the attributes in the list are applied to the
- * label text. The attributes set with this function will be ignored
- * if the "use_underline" property or the "use_markup" property
- * is %TRUE.
- **/
-void
-ephy_label_set_attributes (EphyLabel *label,
- PangoAttrList *attrs)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- ephy_label_set_attributes_internal (label, attrs);
-
- ephy_label_clear_layout (label);
- gtk_widget_queue_resize (GTK_WIDGET (label));
-}
-
-/**
- * ephy_label_get_attributes:
- * @label: a #EphyLabel
- *
- * Gets the attribute list that was set on the label using
- * ephy_label_set_attributes(), if any. This function does
- * not reflect attributes that come from the labels markup
- * (see ephy_label_set_markup()). If you want to get the
- * effective attributes for the label, use
- * pango_layout_get_attribute (ephy_label_get_layout (label)).
- *
- * Return value: the attribute list, or %NULL if none was set.
- **/
-PangoAttrList *
-ephy_label_get_attributes (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), NULL);
-
- return label->attrs;
-}
-
-/**
- * ephy_label_set_label:
- * @label: a #EphyLabel
- * @str: the new text to set for the label
- *
- * Sets the text of the label. The label is interpreted as
- * including embedded underlines and/or Pango markup depending
- * on the values of label->use_underline and label->use_markup.
- **/
-void
-ephy_label_set_label (EphyLabel *label,
- const gchar *str)
-{
- guint last_keyval;
-
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (str != NULL);
-
- last_keyval = label->mnemonic_keyval;
-
- ephy_label_set_label_internal (label, g_strdup (str));
- ephy_label_recalculate (label);
- if (last_keyval != label->mnemonic_keyval)
- ephy_label_setup_mnemonic (label, last_keyval);
-}
-
-/**
- * ephy_label_get_label:
- * @label: a #EphyLabel
- *
- * Fetches the text from a label widget including any embedded
- * underlines indicating mnemonics and Pango markup. (See
- * ephy_label_get_text ()).
- *
- * Return value: the text of the label widget. This string is
- * owned by the widget and must not be modified or freed.
- **/
-G_CONST_RETURN gchar *
-ephy_label_get_label (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), NULL);
-
- return label->label;
-}
-
-static void
-set_markup (EphyLabel *label,
- const gchar *str,
- gboolean with_uline)
-{
- gchar *text = NULL;
- GError *error = NULL;
- PangoAttrList *attrs = NULL;
- gunichar accel_char = 0;
-
- if (!pango_parse_markup (str,
- -1,
- with_uline ? '_' : 0,
- &attrs,
- &text,
- with_uline ? &accel_char : NULL,
- &error))
- {
- g_warning ("Failed to set label from markup due to error parsing markup: %s",
- error->message);
- g_error_free (error);
- return;
- }
-
- if (text)
- ephy_label_set_text_internal (label, text);
-
- if (attrs)
- {
- if (label->effective_attrs)
- pango_attr_list_unref (label->effective_attrs);
- label->effective_attrs = attrs;
- }
-
- if (accel_char != 0)
- label->mnemonic_keyval = gdk_keyval_to_lower (gdk_unicode_to_keyval (accel_char));
- else
- label->mnemonic_keyval = GDK_VoidSymbol;
-}
-
-/**
- * ephy_label_set_markup:
- * @label: a #EphyLabel
- * @str: a markup string (see <link linkend="PangoMarkupFormat">Pango markup format</link>)
- *
- * Parses @str which is marked up with the <link linkend="PangoMarkupFormat">Pango text markup language</link>,
- * setting the label's text and attribute list based on the parse results.
- **/
-void
-ephy_label_set_markup (EphyLabel *label,
- const gchar *str)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- ephy_label_set_label_internal (label, g_strdup (str ? str : ""));
- ephy_label_set_use_markup_internal (label, TRUE);
- ephy_label_set_use_underline_internal (label, FALSE);
-
- ephy_label_recalculate (label);
-}
-
-/**
- * ephy_label_set_markup_with_mnemonic:
- * @label: a #EphyLabel
- * @str: a markup string (see <link linkend="PangoMarkupFormat">Pango markup format</link>)
- *
- * Parses @str which is marked up with the <link linkend="PangoMarkupFormat">Pango text markup language</link>,
- * setting the label's text and attribute list based on the parse results.
- * If characters in @str are preceded by an underscore, they are underlined
- * indicating that they represent a keyboard accelerator called a mnemonic.
- *
- * The mnemonic key can be used to activate another widget, chosen automatically,
- * or explicitly using ephy_label_set_mnemonic_widget().
- **/
-void
-ephy_label_set_markup_with_mnemonic (EphyLabel *label,
- const gchar *str)
-{
- guint last_keyval;
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- last_keyval = label->mnemonic_keyval;
- ephy_label_set_label_internal (label, g_strdup (str ? str : ""));
- ephy_label_set_use_markup_internal (label, TRUE);
- ephy_label_set_use_underline_internal (label, TRUE);
-
- ephy_label_recalculate (label);
- ephy_label_setup_mnemonic (label, last_keyval);
-}
-
-/**
- * ephy_label_get_text:
- * @label: a #EphyLabel
- *
- * Fetches the text from a label widget, as displayed on the
- * screen. This does not include any embedded underlines
- * indicating mnemonics or Pango markup. (See ephy_label_get_label())
- *
- * 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 *
-ephy_label_get_text (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), NULL);
-
- return label->text;
-}
-
-static PangoAttrList *
-ephy_label_pattern_to_attrs (EphyLabel *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
-ephy_label_set_pattern_internal (EphyLabel *label,
- const gchar *pattern)
-{
- PangoAttrList *attrs;
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- attrs = ephy_label_pattern_to_attrs (label, pattern);
-
- if (label->effective_attrs)
- pango_attr_list_unref (label->effective_attrs);
- label->effective_attrs = attrs;
-}
-
-void
-ephy_label_set_pattern (EphyLabel *label,
- const gchar *pattern)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- ephy_label_set_pattern_internal (label, pattern);
-
- ephy_label_clear_layout (label);
- gtk_widget_queue_resize (GTK_WIDGET (label));
-}
-
-
-/**
- * ephy_label_set_justify:
- * @label: a #EphyLabel
- * @jtype: a #GtkJustification
- *
- * Sets the alignment of the lines in the text of the label relative to
- * each other. %GTK_JUSTIFY_LEFT is the default value when the
- * widget is first created with ephy_label_new(). If you instead want
- * to set the alignment of the label as a whole, use
- * gtk_misc_set_alignment() instead. ephy_label_set_justify() has no
- * effect on labels containing only a single line.
- **/
-void
-ephy_label_set_justify (EphyLabel *label,
- GtkJustification jtype)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (jtype >= GTK_JUSTIFY_LEFT && jtype <= GTK_JUSTIFY_FILL);
-
- if ((GtkJustification) label->jtype != jtype)
- {
- label->jtype = jtype;
-
- /* No real need to be this drastic, but easier than duplicating the code */
- ephy_label_clear_layout (label);
-
- g_object_notify (G_OBJECT (label), "justify");
- gtk_widget_queue_resize (GTK_WIDGET (label));
- }
-}
-
-/**
- * ephy_label_get_justify:
- * @label: a #EphyLabel
- *
- * Returns the justification of the label. See ephy_label_set_justify ().
- *
- * Return value: #GtkJustification
- **/
-GtkJustification
-ephy_label_get_justify (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), 0);
-
- return label->jtype;
-}
-
-
-/**
- * ephy_label_set_ellipsize:
- * @label: a #EphyLabel
- * @mode: a #PangoEllipsizeMode
- *
- * Sets the mode used to ellipsize (add an ellipsis: "...") to the text if there
- * is not enough space to render the entire string.
- *
- * Since: 2.6
- **/
-void
-ephy_label_set_ellipsize (EphyLabel *label,
- PangoEllipsizeMode mode)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (mode >= PANGO_ELLIPSIZE_NONE && mode <= PANGO_ELLIPSIZE_END);
-
- if ((PangoEllipsizeMode) label->ellipsize != mode)
- {
- label->ellipsize = mode;
-
- /* No real need to be this drastic, but easier than duplicating the code */
- ephy_label_clear_layout (label);
-
- g_object_notify (G_OBJECT (label), "ellipsize");
- gtk_widget_queue_resize (GTK_WIDGET (label));
- }
-}
-
-/**
- * ephy_label_get_ellipsize:
- * @label: a #EphyLabel
- *
- * Returns the ellipsizing position of the label. See ephy_label_set_ellipsize().
- *
- * Return value: #PangoEllipsizeMode
- *
- * Since: 2.6
- **/
-PangoEllipsizeMode
-ephy_label_get_ellipsize (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), PANGO_ELLIPSIZE_NONE);
-
- return label->ellipsize;
-}
-
-/**
- * ephy_label_set_line_wrap:
- * @label: a #EphyLabel
- * @wrap: the setting
- *
- * Toggles line wrapping within the #EphyLabel widget. %TRUE makes it break
- * lines if text exceeds the widget's size. %FALSE lets the text get cut off
- * by the edge of the widget if it exceeds the widget size.
- **/
-void
-ephy_label_set_line_wrap (EphyLabel *label,
- gboolean wrap)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- wrap = wrap != FALSE;
-
- if (label->wrap != wrap)
- {
- label->wrap = wrap;
- g_object_notify (G_OBJECT (label), "wrap");
-
- gtk_widget_queue_resize (GTK_WIDGET (label));
- }
-}
-
-/**
- * ephy_label_get_line_wrap:
- * @label: a #EphyLabel
- *
- * Returns whether lines in the label are automatically wrapped. See ephy_label_set_line_wrap ().
- *
- * Return value: %TRUE if the lines of the label are automatically wrapped.
- */
-gboolean
-ephy_label_get_line_wrap (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), FALSE);
-
- return label->wrap;
-}
-
-void
-ephy_label_get (EphyLabel *label,
- gchar **str)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (str != NULL);
-
- *str = label->text;
-}
-
-static void
-ephy_label_destroy (GtkObject *object)
-{
- EphyLabel *label = EPHY_LABEL (object);
-
- ephy_label_set_mnemonic_widget (label, NULL);
-
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
-}
-
-static void
-ephy_label_finalize (GObject *object)
-{
- EphyLabel *label;
-
- g_return_if_fail (EPHY_IS_LABEL (object));
-
- label = EPHY_LABEL (object);
-
- g_free (label->label);
- g_free (label->text);
-
- if (label->layout)
- g_object_unref (label->layout);
-
- if (label->attrs)
- pango_attr_list_unref (label->attrs);
-
- if (label->effective_attrs)
- pango_attr_list_unref (label->effective_attrs);
-
- g_free (label->select_info);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-ephy_label_clear_layout (EphyLabel *label)
-{
- if (label->layout)
- {
- g_object_unref (label->layout);
- label->layout = NULL;
- }
-}
-
-typedef struct _LabelWrapWidth LabelWrapWidth;
-struct _LabelWrapWidth
-{
- gint width;
- PangoFontDescription *font_desc;
-};
-
-static void
-label_wrap_width_free (gpointer data)
-{
- LabelWrapWidth *wrap_width = data;
- pango_font_description_free (wrap_width->font_desc);
- g_free (wrap_width);
-}
-
-static gint
-get_label_wrap_width (EphyLabel *label)
-{
- PangoLayout *layout;
- GtkStyle *style = GTK_WIDGET (label)->style;
-
- LabelWrapWidth *wrap_width = g_object_get_data (G_OBJECT (style), "gtk-label-wrap-width");
- if (!wrap_width)
- {
- wrap_width = g_new0 (LabelWrapWidth, 1);
- g_object_set_data_full (G_OBJECT (style), "gtk-label-wrap-width",
- wrap_width, label_wrap_width_free);
- }
-
- if (wrap_width->font_desc && pango_font_description_equal (wrap_width->font_desc, style->font_desc))
- return wrap_width->width;
-
- if (wrap_width->font_desc)
- pango_font_description_free (wrap_width->font_desc);
-
- wrap_width->font_desc = pango_font_description_copy (style->font_desc);
-
- layout = gtk_widget_create_pango_layout (GTK_WIDGET (label),
- "This long string gives a good enough length for any line to have.");
- pango_layout_get_size (layout, &wrap_width->width, NULL);
- g_object_unref (layout);
-
- return wrap_width->width;
-}
-
-static void
-ephy_label_ensure_layout (EphyLabel *label)
-{
- GtkWidget *widget;
- PangoRectangle logical_rect;
- gint rwidth, rheight;
- gboolean rtl;
-
- widget = GTK_WIDGET (label);
-
- rtl = gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL;
- rwidth = label->misc.xpad * 2;
- rheight = label->misc.ypad * 2;
-
- if (!label->layout)
- {
- PangoAlignment align = PANGO_ALIGN_LEFT; /* Quiet gcc */
-
- label->layout = gtk_widget_create_pango_layout (widget, label->text);
-
- if (label->effective_attrs)
- pango_layout_set_attributes (label->layout, label->effective_attrs);
-
- switch (label->jtype)
- {
- case GTK_JUSTIFY_LEFT:
- align = rtl ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_LEFT;
- break;
- case GTK_JUSTIFY_RIGHT:
- align = rtl ? PANGO_ALIGN_LEFT : PANGO_ALIGN_RIGHT;
- break;
- case GTK_JUSTIFY_CENTER:
- align = PANGO_ALIGN_CENTER;
- break;
- case GTK_JUSTIFY_FILL:
- /* FIXME: This just doesn't work to do this */
- align = rtl ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_LEFT;
- pango_layout_set_justify (label->layout, TRUE);
- break;
- default:
- g_assert_not_reached();
- }
-
- pango_layout_set_alignment (label->layout, align);
- pango_layout_set_ellipsize (label->layout, label->ellipsize);
-
- if (label->ellipsize)
- pango_layout_set_width (label->layout,
- widget->allocation.width * PANGO_SCALE);
- else if (label->wrap)
- {
- GtkWidgetAuxInfo *aux_info;
- gint longest_paragraph;
- gint width, height;
-
- aux_info = NULL; /* EPHY HACK */
- if (aux_info && aux_info->width > 0)
- pango_layout_set_width (label->layout, aux_info->width * PANGO_SCALE);
- else
- {
- GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (label));
- gint wrap_width;
-
- pango_layout_set_width (label->layout, -1);
- pango_layout_get_extents (label->layout, NULL, &logical_rect);
-
- width = logical_rect.width;
-
- /* Try to guess a reasonable maximum width */
- longest_paragraph = width;
-
- wrap_width = get_label_wrap_width (label);
- 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
- */
- if (longest_paragraph > 0)
- {
- gint nlines, perfect_width;
-
- nlines = pango_layout_get_line_count (label->layout);
- perfect_width = (longest_paragraph + nlines - 1) / nlines;
-
- if (perfect_width < width)
- {
- pango_layout_set_width (label->layout, perfect_width);
- pango_layout_get_extents (label->layout, NULL, &logical_rect);
-
- if (logical_rect.height <= height)
- width = logical_rect.width;
- else
- {
- gint mid_width = (perfect_width + width) / 2;
-
- if (mid_width > perfect_width)
- {
- pango_layout_set_width (label->layout, mid_width);
- pango_layout_get_extents (label->layout, NULL, &logical_rect);
-
- if (logical_rect.height <= height)
- width = logical_rect.width;
- }
- }
- }
- }
- pango_layout_set_width (label->layout, width);
- }
- }
- else /* !label->wrap */
- pango_layout_set_width (label->layout, -1);
- }
-}
-
-static void
-ephy_label_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- EphyLabel *label;
- gint width, height;
- PangoRectangle logical_rect;
- GtkWidgetAuxInfo *aux_info;
-
- g_return_if_fail (EPHY_IS_LABEL (widget));
- g_return_if_fail (requisition != NULL);
-
- label = EPHY_LABEL (widget);
-
- /*
- * If word wrapping is on, then the height requisition can depend
- * on:
- *
- * - Any width set on the widget via gtk_widget_set_usize().
- * - The padding of the widget (xpad, set by gtk_misc_set_padding)
- *
- * Instead of trying to detect changes to these quantities, if we
- * are wrapping, we just rewrap for each size request. Since
- * size requisitions are cached by the GTK+ core, this is not
- * expensive.
- */
-
- if (label->wrap)
- ephy_label_clear_layout (label);
-
- ephy_label_ensure_layout (label);
-
- width = label->misc.xpad * 2;
- height = label->misc.ypad * 2;
-
- pango_layout_get_extents (label->layout, NULL, &logical_rect);
- aux_info = NULL; /* EPHY HACK */
-
- if (label->ellipsize)
- {
- PangoContext *context;
- PangoFontMetrics *metrics;
- gint char_width;
-
- /* The minimum size for ellipsized labels is ~ 3 chars */
- context = pango_layout_get_context (label->layout);
- metrics = pango_context_get_metrics (context, widget->style->font_desc, NULL);
-
- char_width = pango_font_metrics_get_approximate_char_width (metrics);
- pango_font_metrics_unref (metrics);
-
- width += (PANGO_PIXELS (char_width) * 3);
- }
- else
- {
- if (label->wrap && aux_info && aux_info->width > 0)
- width += aux_info->width;
- else
- width += PANGO_PIXELS (logical_rect.width);
- }
-
- height += PANGO_PIXELS (logical_rect.height);
-
- requisition->width = width;
- requisition->height = height;
-}
-
-static void
-ephy_label_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
-
- if (label->ellipsize)
- {
- if (label->layout)
- pango_layout_set_width (label->layout, allocation->width * PANGO_SCALE);
- }
-
- if (label->select_info && label->select_info->window)
- {
- gdk_window_move_resize (label->select_info->window,
- allocation->x,
- allocation->y,
- allocation->width,
- allocation->height);
- }
-}
-
-static void
-ephy_label_state_changed (GtkWidget *widget,
- GtkStateType prev_state)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info)
- ephy_label_select_region (label, 0, 0);
-
- if (GTK_WIDGET_CLASS (parent_class)->state_changed)
- GTK_WIDGET_CLASS (parent_class)->state_changed (widget, prev_state);
-}
-
-static void
-ephy_label_style_set (GtkWidget *widget,
- GtkStyle *previous_style)
-{
- EphyLabel *label;
-
- g_return_if_fail (EPHY_IS_LABEL (widget));
-
- label = EPHY_LABEL (widget);
-
- /* We have to clear the layout, fonts etc. may have changed */
- ephy_label_clear_layout (label);
-}
-
-static void
-ephy_label_direction_changed (GtkWidget *widget,
- GtkTextDirection previous_dir)
-{
- EphyLabel *label = EPHY_LABEL (widget);
-
- if (label->layout)
- pango_layout_context_changed (label->layout);
-
- GTK_WIDGET_CLASS (parent_class)->direction_changed (widget, previous_dir);
-}
-
-#if 0
-static void
-ephy_label_paint_word (EphyLabel *label,
- gint x,
- gint y,
- EphyLabelWord *word,
- GdkRectangle *area)
-{
- GtkWidget *widget = GTK_WIDGET (label);
- EphyLabelULine *uline;
- gchar *tmp_str;
-
- tmp_str = gdk_wcstombs (word->beginning);
- if (tmp_str)
- {
- gtk_paint_string (widget->style, widget->window, widget->state,
- area, widget, "label",
- x + word->x,
- y + word->y,
- tmp_str);
- g_free (tmp_str);
- }
-
- for (uline = word->uline; uline; uline = uline->next)
- gtk_paint_hline (widget->style, widget->window,
- widget->state, area,
- widget, "label",
- x + uline->x1, x + uline->x2, y + uline->y);
-}
-#endif
-
-static void
-get_layout_location (EphyLabel *label,
- gint *xp,
- gint *yp)
-{
- GtkMisc *misc;
- GtkWidget *widget;
- gfloat xalign;
- gint req_width, x, y;
-
- misc = GTK_MISC (label);
- widget = GTK_WIDGET (label);
-
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
- xalign = misc->xalign;
- else
- xalign = 1.0 - misc->xalign;
-
- if (label->ellipsize)
- {
- PangoRectangle ink_rect;
-
- pango_layout_get_extents (label->layout, &ink_rect, NULL);
-
- req_width = PANGO_PIXELS (ink_rect.width);
- }
- else
- req_width = widget->requisition.width;
-
- x = floor (widget->allocation.x + (gint)misc->xpad +
- xalign * (widget->allocation.width - req_width)
- + 0.5);
-
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
- x = MAX (x, widget->allocation.x + misc->xpad);
- else
- x = MIN (x,
- widget->allocation.x + widget->allocation.width -
- req_width - misc->xpad);
-
- y = floor (widget->allocation.y + (gint)misc->ypad
- + MAX (((widget->allocation.height - widget->requisition.height) * misc->yalign)
- + 0.5, 0));
-
- if (xp)
- *xp = x;
-
- if (yp)
- *yp = y;
-}
-
-static void
-draw_insertion_cursor (EphyLabel *label,
- 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, widget->window, NULL,
- cursor_location,
- is_primary, text_dir, draw_arrow);
-}
-
-static PangoDirection
-get_cursor_direction (EphyLabel *label)
-{
- GSList *l;
-
- g_assert (label->select_info);
-
- ephy_label_ensure_layout (label);
-
- for (l = pango_layout_get_lines (label->layout); l; l = l->next)
- {
- PangoLayoutLine *line = l->data;
-
- /* If label->select_info->selection_end is at the very end of
- * the line, we don't know if the cursor is on this line or
- * the next without looking ahead at the next line. (End
- * of paragraph is different from line break.) But it's
- * definitely in this paragraph, which is good enough
- * to figure out the resolved direction.
- */
- if (line->start_index + line->length >= label->select_info->selection_end)
- return line->resolved_dir;
- }
-
- return PANGO_DIRECTION_LTR;
-}
-
-static void
-ephy_label_draw_cursor (EphyLabel *label, gint xoffset, gint yoffset)
-{
- if (label->select_info == NULL)
- return;
-
- if (GTK_WIDGET_DRAWABLE (label))
- {
- GtkWidget *widget = GTK_WIDGET (label);
-
- 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);
-
- ephy_label_ensure_layout (label);
-
- pango_layout_get_cursor_pos (label->layout, label->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,
- &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,
- &cursor_location, FALSE, dir2,
- TRUE);
- }
- }
-}
-
-
-static gint
-ephy_label_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- EphyLabel *label;
- gint x, y;
-
- g_return_val_if_fail (EPHY_IS_LABEL (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- label = EPHY_LABEL (widget);
-
- ephy_label_ensure_layout (label);
-
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget) &&
- label->text && (*label->text != '\0'))
- {
- get_layout_location (label, &x, &y);
-
- gtk_paint_layout (widget->style,
- widget->window,
- GTK_WIDGET_STATE (widget),
- FALSE,
- &event->area,
- widget,
- "label",
- x, y,
- label->layout);
-
- if (label->select_info &&
- (label->select_info->selection_anchor !=
- label->select_info->selection_end))
- {
- gint range[2];
- GdkRegion *clip;
- GtkStateType state;
-
- range[0] = label->select_info->selection_anchor;
- range[1] = label->select_info->selection_end;
-
- if (range[0] > range[1])
- {
- gint tmp = range[0];
- range[0] = range[1];
- range[1] = tmp;
- }
-
- clip = gdk_pango_layout_get_clip_region (label->layout,
- x, y,
- range,
- 1);
-
- /* FIXME should use gtk_paint, but it can't use a clip
- * region
- */
-
- gdk_gc_set_clip_region (widget->style->black_gc, clip);
-
-
- state = GTK_STATE_SELECTED;
- if (!GTK_WIDGET_HAS_FOCUS (widget))
- state = GTK_STATE_ACTIVE;
-
- gdk_draw_layout_with_colors (widget->window,
- widget->style->black_gc,
- x, y,
- label->layout,
- &widget->style->text[state],
- &widget->style->base[state]);
-
- gdk_gc_set_clip_region (widget->style->black_gc, NULL);
- gdk_region_destroy (clip);
- }
- else if (label->select_info && GTK_WIDGET_HAS_FOCUS (widget))
- ephy_label_draw_cursor (label, x, y);
- }
-
- return FALSE;
-}
-
-static void
-ephy_label_set_uline_text_internal (EphyLabel *label,
- const gchar *str)
-{
- guint accel_key = GDK_VoidSymbol;
-
- gchar *new_str;
- gchar *pattern;
- const gchar *src;
- gchar *dest, *pattern_dest;
- gboolean underscore;
-
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (str != NULL);
-
- /* 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;
-
- while (*src)
- {
- gunichar c;
- 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;
- }
- next_src = g_utf8_next_char (src);
-
- if (underscore)
- {
- if (c == '_')
- *pattern_dest++ = ' ';
- else
- {
- *pattern_dest++ = '_';
- 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
- {
- if (c == '_')
- {
- underscore = TRUE;
- src = next_src;
- }
- else
- {
- while (src < next_src)
- *dest++ = *src++;
-
- *pattern_dest++ = ' ';
- }
- }
- }
- *dest = 0;
- *pattern_dest = 0;
-
- ephy_label_set_text_internal (label, new_str);
- ephy_label_set_pattern_internal (label, pattern);
-
- g_free (pattern);
-
- label->mnemonic_keyval = accel_key;
-}
-
-guint
-ephy_label_parse_uline (EphyLabel *label,
- const gchar *str)
-{
- guint keyval;
- guint orig_keyval;
-
- g_return_val_if_fail (EPHY_IS_LABEL (label), GDK_VoidSymbol);
- g_return_val_if_fail (str != NULL, GDK_VoidSymbol);
-
- orig_keyval = label->mnemonic_keyval;
-
- g_object_freeze_notify (G_OBJECT (label));
-
- ephy_label_set_label_internal (label, g_strdup (str ? str : ""));
- ephy_label_set_use_markup_internal (label, FALSE);
- ephy_label_set_use_underline_internal (label, TRUE);
-
- ephy_label_recalculate (label);
-
- keyval = label->mnemonic_keyval;
- label->mnemonic_keyval = GDK_VoidSymbol;
-
- ephy_label_setup_mnemonic (label, orig_keyval);
-
- g_object_thaw_notify (G_OBJECT (label));
-
- return keyval;
-}
-
-/**
- * ephy_label_set_text_with_mnemonic:
- * @label: a #EphyLabel
- * @str: a string
- *
- * Sets the label's text from the string @str.
- * If characters in @str are preceded by an underscore, they are underlined
- * indicating that they represent a keyboard accelerator called a mnemonic.
- * The mnemonic key can be used to activate another widget, chosen automatically,
- * or explicitly using ephy_label_set_mnemonic_widget().
- **/
-void
-ephy_label_set_text_with_mnemonic (EphyLabel *label,
- const gchar *str)
-{
- guint last_keyval;
-
- g_return_if_fail (EPHY_IS_LABEL (label));
- g_return_if_fail (str != NULL);
-
- last_keyval = label->mnemonic_keyval;
-
- g_object_freeze_notify (G_OBJECT (label));
-
- ephy_label_set_label_internal (label, g_strdup (str ? str : ""));
- ephy_label_set_use_markup_internal (label, FALSE);
- ephy_label_set_use_underline_internal (label, TRUE);
-
- ephy_label_recalculate (label);
-
- ephy_label_setup_mnemonic (label, last_keyval);
-
- g_object_thaw_notify (G_OBJECT (label));
-}
-
-static void
-ephy_label_realize (GtkWidget *widget)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
-
- if (label->select_info)
- ephy_label_create_window (label);
-}
-
-static void
-ephy_label_unrealize (GtkWidget *widget)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info)
- ephy_label_destroy_window (label);
-
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
-}
-
-static void
-ephy_label_map (GtkWidget *widget)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- (* GTK_WIDGET_CLASS (parent_class)->map) (widget);
-
- if (label->select_info)
- gdk_window_show (label->select_info->window);
-}
-
-static void
-ephy_label_unmap (GtkWidget *widget)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info)
- gdk_window_hide (label->select_info->window);
-
- (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
-}
-
-static void
-window_to_layout_coords (EphyLabel *label,
- gint *x,
- gint *y)
-{
- gint lx, ly;
- GtkWidget *widget;
-
- widget = GTK_WIDGET (label);
-
- /* get layout location in widget->window coords */
- get_layout_location (label, &lx, &ly);
-
- if (x)
- {
- *x += widget->allocation.x; /* go to widget->window */
- *x -= lx; /* go to layout */
- }
-
- if (y)
- {
- *y += widget->allocation.y; /* go to widget->window */
- *y -= ly; /* go to layout */
- }
-}
-
-#if 0
-static void
-layout_to_window_coords (EphyLabel *label,
- gint *x,
- gint *y)
-{
- gint lx, ly;
- GtkWidget *widget;
-
- widget = GTK_WIDGET (label);
-
- /* get layout location in widget->window coords */
- get_layout_location (label, &lx, &ly);
-
- if (x)
- {
- *x += lx; /* go to widget->window */
- *x -= widget->allocation.x; /* go to selection window */
- }
-
- if (y)
- {
- *y += ly; /* go to widget->window */
- *y -= widget->allocation.y; /* go to selection window */
- }
-}
-#endif
-
-static void
-get_layout_index (EphyLabel *label,
- gint x,
- gint y,
- gint *index)
-{
- gint trailing = 0;
- const gchar *cluster;
- const gchar *cluster_end;
-
- *index = 0;
-
- ephy_label_ensure_layout (label);
-
- window_to_layout_coords (label, &x, &y);
-
- x *= PANGO_SCALE;
- y *= PANGO_SCALE;
-
- 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;
- }
-
- *index += (cluster_end - cluster);
-}
-
-static void
-ephy_label_select_word (EphyLabel *label)
-{
- gint min, max;
-
- gint start_index = ephy_label_move_backward_word (label, label->select_info->selection_end);
- gint end_index = ephy_label_move_forward_word (label, label->select_info->selection_end);
-
- min = MIN (label->select_info->selection_anchor,
- label->select_info->selection_end);
- max = MAX (label->select_info->selection_anchor,
- label->select_info->selection_end);
-
- min = MIN (min, start_index);
- max = MAX (max, end_index);
-
- ephy_label_select_region_index (label, min, max);
-}
-
-static gboolean
-ephy_label_button_press (GtkWidget *widget,
- GdkEventButton *event)
-{
- EphyLabel *label;
- gint index = 0;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info == NULL)
- return FALSE;
-
- if (event->button == 1)
- {
- if (!GTK_WIDGET_HAS_FOCUS (widget))
- gtk_widget_grab_focus (widget);
-
- if (event->type == GDK_3BUTTON_PRESS)
- {
- ephy_label_select_region_index (label, 0, strlen (label->text));
- return TRUE;
- }
-
- if (event->type == GDK_2BUTTON_PRESS)
- {
- ephy_label_select_word (label);
- return TRUE;
- }
-
- get_layout_index (label, event->x, event->y, &index);
-
- if ((label->select_info->selection_anchor !=
- label->select_info->selection_end) &&
- (event->state & GDK_SHIFT_MASK))
- {
- gint min, max;
-
- /* extend (same as motion) */
- min = MIN (label->select_info->selection_anchor,
- label->select_info->selection_end);
- max = MAX (label->select_info->selection_anchor,
- label->select_info->selection_end);
-
- min = MIN (min, index);
- max = MAX (max, index);
-
- /* ensure the anchor is opposite index */
- if (index == min)
- {
- gint tmp = min;
- min = max;
- max = tmp;
- }
-
- ephy_label_select_region_index (label, min, max);
- }
- else
- {
- if (event->type == GDK_3BUTTON_PRESS)
- ephy_label_select_region_index (label, 0, strlen (label->text));
- else if (event->type == GDK_2BUTTON_PRESS)
- ephy_label_select_word (label);
- else
- /* start a replacement */
- ephy_label_select_region_index (label, index, index);
- }
-
- return TRUE;
- }
- else if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
- {
- ephy_label_do_popup (label, event);
-
- return TRUE;
-
- }
- return FALSE;
-}
-
-static gboolean
-ephy_label_button_release (GtkWidget *widget,
- GdkEventButton *event)
-
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info == NULL)
- return FALSE;
-
- if (event->button != 1)
- return FALSE;
-
- /* The goal here is to return TRUE iff we ate the
- * button press to start selecting.
- */
-
- return TRUE;
-}
-
-static gboolean
-ephy_label_motion (GtkWidget *widget,
- GdkEventMotion *event)
-{
- EphyLabel *label;
- gint index;
- gint x, y;
-
- label = EPHY_LABEL (widget);
-
- if (label->select_info == NULL)
- return FALSE;
-
- if ((event->state & GDK_BUTTON1_MASK) == 0)
- return FALSE;
-
- gdk_window_get_pointer (label->select_info->window,
- &x, &y, NULL);
-
- get_layout_index (label, x, y, &index);
-
- ephy_label_select_region_index (label,
- label->select_info->selection_anchor,
- index);
-
- return TRUE;
-}
-
-static void
-ephy_label_create_window (EphyLabel *label)
-{
- GtkWidget *widget;
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- g_assert (label->select_info);
- g_assert (GTK_WIDGET_REALIZED (label));
-
- if (label->select_info->window)
- return;
-
- widget = GTK_WIDGET (label);
-
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y;
- attributes.width = widget->allocation.width;
- attributes.height = widget->allocation.height;
- attributes.window_type = GDK_WINDOW_TEMP;
- attributes.wclass = GDK_INPUT_ONLY;
- attributes.override_redirect = TRUE;
- attributes.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
- GDK_XTERM);
- attributes.event_mask = gtk_widget_get_events (widget) |
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_BUTTON_MOTION_MASK;
-
- attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR | GDK_WA_CURSOR;
-
- label->select_info->window = gdk_window_new (widget->window,
- &attributes, attributes_mask);
- gdk_window_set_user_data (label->select_info->window, widget);
-
- gdk_cursor_unref (attributes.cursor);
-}
-
-static void
-ephy_label_destroy_window (EphyLabel *label)
-{
- g_assert (label->select_info);
-
- if (label->select_info->window == NULL)
- return;
-
- gdk_window_set_user_data (label->select_info->window, NULL);
- gdk_window_destroy (label->select_info->window);
- label->select_info->window = NULL;
-}
-
-/**
- * ephy_label_set_selectable:
- * @label: a #EphyLabel
- * @setting: %TRUE to allow selecting text in the label
- *
- * Selectable labels allow the user to select text from the label, for
- * copy-and-paste.
- *
- **/
-void
-ephy_label_set_selectable (EphyLabel *label,
- gboolean setting)
-{
- gboolean old_setting;
-
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- setting = setting != FALSE;
- old_setting = label->select_info != NULL;
-
- if (setting)
- {
- if (label->select_info == NULL)
- {
- label->select_info = g_new0 (EphyLabelSelectionInfo, 1);
-
- GTK_WIDGET_SET_FLAGS (label, GTK_CAN_FOCUS);
-
- if (GTK_WIDGET_REALIZED (label))
- ephy_label_create_window (label);
-
- if (GTK_WIDGET_MAPPED (label))
- gdk_window_show (label->select_info->window);
- }
- }
- else
- {
- if (label->select_info)
- {
- /* unselect, to give up the selection */
- ephy_label_select_region (label, 0, 0);
-
- if (label->select_info->window)
- {
- ephy_label_destroy_window (label);
- }
-
- g_free (label->select_info);
-
- label->select_info = NULL;
-
- GTK_WIDGET_UNSET_FLAGS (label, GTK_CAN_FOCUS);
- }
- }
- if (setting != old_setting)
- {
- g_object_freeze_notify (G_OBJECT (label));
- g_object_notify (G_OBJECT (label), "selectable");
- g_object_notify (G_OBJECT (label), "cursor_position");
- g_object_notify (G_OBJECT (label), "selection_bound");
- g_object_thaw_notify (G_OBJECT (label));
- gtk_widget_queue_draw (GTK_WIDGET (label));
- }
-}
-
-/**
- * ephy_label_get_selectable:
- * @label: a #EphyLabel
- *
- * Gets the value set by ephy_label_set_selectable().
- *
- * Return value: %TRUE if the user can copy text from the label
- **/
-gboolean
-ephy_label_get_selectable (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), FALSE);
-
- return label->select_info != NULL;
-}
-
-static void
-get_text_callback (GtkClipboard *clipboard,
- GtkSelectionData *selection_data,
- guint info,
- gpointer user_data_or_owner)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (user_data_or_owner);
-
- if ((label->select_info->selection_anchor !=
- label->select_info->selection_end) &&
- label->text)
- {
- gint start, end;
- gint len;
-
- start = MIN (label->select_info->selection_anchor,
- label->select_info->selection_end);
- end = MAX (label->select_info->selection_anchor,
- label->select_info->selection_end);
-
- len = strlen (label->text);
-
- if (end > len)
- end = len;
-
- if (start > len)
- start = len;
-
- gtk_selection_data_set_text (selection_data,
- label->text + start,
- end - start);
- }
-}
-
-static void
-clear_text_callback (GtkClipboard *clipboard,
- gpointer user_data_or_owner)
-{
- EphyLabel *label;
-
- label = EPHY_LABEL (user_data_or_owner);
-
- if (label->select_info)
- {
- label->select_info->selection_anchor = label->select_info->selection_end;
-
- gtk_widget_queue_draw (GTK_WIDGET (label));
- }
-}
-
-static void
-ephy_label_select_region_index (EphyLabel *label,
- gint anchor_index,
- gint end_index)
-{
- static const GtkTargetEntry targets[] = {
- { "STRING", 0, 0 },
- { "TEXT", 0, 0 },
- { "COMPOUND_TEXT", 0, 0 },
- { "UTF8_STRING", 0, 0 }
- };
-
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- if (label->select_info)
- {
- GtkClipboard *clipboard;
-
- if (label->select_info->selection_anchor == anchor_index &&
- label->select_info->selection_end == end_index)
- return;
-
- label->select_info->selection_anchor = anchor_index;
- label->select_info->selection_end = end_index;
-
- clipboard = gtk_widget_get_clipboard (GTK_WIDGET (label),
- GDK_SELECTION_PRIMARY);
-
- if (anchor_index != end_index)
- {
- gtk_clipboard_set_with_owner (clipboard,
- targets,
- G_N_ELEMENTS (targets),
- get_text_callback,
- clear_text_callback,
- G_OBJECT (label));
- }
- else
- {
- if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (label))
- gtk_clipboard_clear (clipboard);
- }
-
- gtk_widget_queue_draw (GTK_WIDGET (label));
-
- g_object_freeze_notify (G_OBJECT (label));
- g_object_notify (G_OBJECT (label), "cursor_position");
- g_object_notify (G_OBJECT (label), "selection_bound");
- g_object_thaw_notify (G_OBJECT (label));
- }
-}
-
-/**
- * ephy_label_select_region:
- * @label: a #EphyLabel
- * @start_offset: start offset (in characters not bytes)
- * @end_offset: end offset (in characters not bytes)
- *
- * Selects a range of characters in the label, if the label is selectable.
- * See ephy_label_set_selectable(). If the label is not selectable,
- * this function has no effect. If @start_offset or
- * @end_offset are -1, then the end of the label will be substituted.
- *
- **/
-void
-ephy_label_select_region (EphyLabel *label,
- gint start_offset,
- gint end_offset)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- if (label->text && label->select_info)
- {
- if (start_offset < 0)
- start_offset = g_utf8_strlen (label->text, -1);
-
- if (end_offset < 0)
- end_offset = g_utf8_strlen (label->text, -1);
-
- ephy_label_select_region_index (label,
- g_utf8_offset_to_pointer (label->text, start_offset) - label->text,
- g_utf8_offset_to_pointer (label->text, end_offset) - label->text);
- }
-}
-
-/**
- * ephy_label_get_selection_bounds:
- * @label: a #EphyLabel
- * @start: return location for start of selection, as a character offset
- * @end: return location for end of selection, as a character offset
- *
- * Gets the selected range of characters in the label, returning %TRUE
- * if there's a selection.
- *
- * Return value: %TRUE if selection is non-empty
- **/
-gboolean
-ephy_label_get_selection_bounds (EphyLabel *label,
- gint *start,
- gint *end)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), FALSE);
-
- if (label->select_info == NULL)
- {
- /* not a selectable label */
- if (start)
- *start = 0;
- if (end)
- *end = 0;
-
- return FALSE;
- }
- else
- {
- gint start_index, end_index;
- gint start_offset, end_offset;
- gint len;
-
- start_index = MIN (label->select_info->selection_anchor,
- label->select_info->selection_end);
- end_index = MAX (label->select_info->selection_anchor,
- label->select_info->selection_end);
-
- len = strlen (label->text);
-
- if (end_index > len)
- end_index = len;
-
- if (start_index > len)
- start_index = len;
-
- start_offset = g_utf8_strlen (label->text, start_index);
- end_offset = g_utf8_strlen (label->text, end_index);
-
- if (start_offset > end_offset)
- {
- gint tmp = start_offset;
- start_offset = end_offset;
- end_offset = tmp;
- }
-
- if (start)
- *start = start_offset;
-
- if (end)
- *end = end_offset;
-
- return start_offset != end_offset;
- }
-}
-
-
-/**
- * ephy_label_get_layout:
- * @label: a #EphyLabel
- *
- * Gets the #PangoLayout used to display the label.
- * The layout is useful to e.g. convert text positions to
- * pixel positions, in combination with ephy_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
- **/
-PangoLayout*
-ephy_label_get_layout (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), NULL);
-
- ephy_label_ensure_layout (label);
-
- return label->layout;
-}
-
-/**
- * ephy_label_get_layout_offsets:
- * @label: a #EphyLabel
- * @x: location to store X offset of layout, or %NULL
- * @y: 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
- * into coordinates inside the #PangoLayout, e.g. to take some action
- * if some part of the label is clicked. Of course you will need to
- * create a #GtkEventBox to receive the events, and pack the label
- * inside it, since labels are a #GTK_NO_WINDOW widget. Remember
- * when using the #PangoLayout functions you need to convert to
- * and from pixels using PANGO_PIXELS() or #PANGO_SCALE.
- *
- **/
-void
-ephy_label_get_layout_offsets (EphyLabel *label,
- gint *x,
- gint *y)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- get_layout_location (label, x, y);
-}
-
-/**
- * ephy_label_set_use_markup:
- * @label: a #EphyLabel
- * @setting: %TRUE if the label's text should be parsed for markup.
- *
- * Sets whether the text of the label contains markup in <link
- * linkend="PangoMarkupFormat">Pango's text markup
- * language</link>. See ephy_label_set_markup().
- **/
-void
-ephy_label_set_use_markup (EphyLabel *label,
- gboolean setting)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- ephy_label_set_use_markup_internal (label, setting);
- ephy_label_recalculate (label);
-}
-
-/**
- * ephy_label_get_use_markup:
- * @label: a #EphyLabel
- *
- * Returns whether the label's text is interpreted as marked up with
- * the <link linkend="PangoMarkupFormat">Pango text markup
- * language</link>. See ephy_label_set_use_markup ().
- *
- * Return value: %TRUE if the label's text will be parsed for markup.
- **/
-gboolean
-ephy_label_get_use_markup (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), FALSE);
-
- return label->use_markup;
-}
-
-/**
- * ephy_label_set_use_underline:
- * @label: a #EphyLabel
- * @setting: %TRUE if underlines in the text indicate mnemonics
- *
- * If true, an underline in the text indicates the next character should be
- * used for the mnemonic accelerator key.
- */
-void
-ephy_label_set_use_underline (EphyLabel *label,
- gboolean setting)
-{
- g_return_if_fail (EPHY_IS_LABEL (label));
-
- ephy_label_set_use_underline_internal (label, setting);
- ephy_label_recalculate (label);
- if (label->use_underline)
- ephy_label_setup_mnemonic (label, label->mnemonic_keyval);
-}
-
-/**
- * ephy_label_get_use_underline:
- * @label: a #EphyLabel
- *
- * Returns whether an embedded underline in the label indicates a
- * mnemonic. See ephy_label_set_use_underline ().
- *
- * Return value: %TRUE whether an embedded underline in the label indicates
- * the mnemonic accelerator keys.
- **/
-gboolean
-ephy_label_get_use_underline (EphyLabel *label)
-{
- g_return_val_if_fail (EPHY_IS_LABEL (label), FALSE);
-
- return label->use_underline;
-}
-
-static gboolean
-ephy_label_focus (GtkWidget *widget,
- GtkDirectionType direction)
-{
- EphyLabel *label = EPHY_LABEL (widget);
- GdkEvent *current_event;
- gboolean is_control_tab = FALSE;
-
- /* We want to be in the tab chain only if we are selectable
- * and Control-[Shift]Tab is pressed
- */
- if (label->select_info == NULL)
- return FALSE;
-
- current_event = gtk_get_current_event ();
-
- if (current_event)
- {
- if (current_event->type == GDK_KEY_PRESS &&
- (current_event->key.keyval == GDK_Tab ||
- current_event->key.keyval == GDK_KP_Tab ||
- current_event->key.keyval == GDK_ISO_Left_Tab) &&
- (current_event->key.state & GDK_CONTROL_MASK) != 0)
- is_control_tab = TRUE;
-
- gdk_event_free (current_event);
- }
-
- if (is_control_tab)
- return GTK_WIDGET_CLASS (parent_class)->focus (widget, direction);
- else
- return FALSE;
-}
-
-/* Compute the X position for an offset that corresponds to the "more important
- * cursor position for that offset. We use this when trying to guess to which
- * end of the selection we should go to when the user hits the left or
- * right arrow key.
- */
-static void
-get_better_cursor (EphyLabel *label,
- gint index,
- gint *x,
- gint *y)
-{
- GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (label)));
- PangoDirection keymap_direction = gdk_keymap_get_direction (keymap);
- PangoDirection cursor_direction = get_cursor_direction (label);
- gboolean split_cursor;
- PangoRectangle strong_pos, weak_pos;
-
- g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)),
- "gtk-split-cursor", &split_cursor,
- NULL);
-
- ephy_label_ensure_layout (label);
-
- pango_layout_get_cursor_pos (label->layout, index,
- &strong_pos, &weak_pos);
-
- if (split_cursor)
- {
- *x = strong_pos.x / PANGO_SCALE;
- *y = strong_pos.y / PANGO_SCALE;
- }
- else
- {
- if (keymap_direction == cursor_direction)
- {
- *x = strong_pos.x / PANGO_SCALE;
- *y = strong_pos.y / PANGO_SCALE;
- }
- else
- {
- *x = weak_pos.x / PANGO_SCALE;
- *y = weak_pos.y / PANGO_SCALE;
- }
- }
-}
-
-
-static gint
-ephy_label_move_logically (EphyLabel *label,
- gint start,
- gint count)
-{
- gint offset = g_utf8_pointer_to_offset (label->text,
- label->text + start);
-
- if (label->text)
- {
- PangoLogAttr *log_attrs;
- gint n_attrs;
- gint length;
-
- ephy_label_ensure_layout (label);
-
- length = g_utf8_strlen (label->text, -1);
-
- pango_layout_get_log_attrs (label->layout, &log_attrs, &n_attrs);
-
- while (count > 0 && offset < length)
- {
- do
- offset++;
- while (offset < length && !log_attrs[offset].is_cursor_position);
-
- count--;
- }
- while (count < 0 && offset > 0)
- {
- do
- offset--;
- while (offset > 0 && !log_attrs[offset].is_cursor_position);
-
- count++;
- }
-
- g_free (log_attrs);
- }
-
- return g_utf8_offset_to_pointer (label->text, offset) - label->text;
-}
-
-static gint
-ephy_label_move_visually (EphyLabel *label,
- gint start,
- gint count)
-{
- gint index;
-
- index = start;
-
- while (count != 0)
- {
- int new_index, new_trailing;
- gboolean split_cursor;
- gboolean strong;
-
- ephy_label_ensure_layout (label);
-
- g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)),
- "gtk-split-cursor", &split_cursor,
- NULL);
-
- if (split_cursor)
- strong = TRUE;
- else
- {
- GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (label)));
- PangoDirection keymap_direction = gdk_keymap_get_direction (keymap);
-
- strong = keymap_direction == get_cursor_direction (label);
- }
-
- if (count > 0)
- {
- pango_layout_move_cursor_visually (label->layout, strong, index, 0, 1, &new_index, &new_trailing);
- count--;
- }
- else
- {
- pango_layout_move_cursor_visually (label->layout, strong, index, 0, -1, &new_index, &new_trailing);
- count++;
- }
-
- if (new_index < 0 || new_index == G_MAXINT)
- break;
-
- index = new_index;
-
- while (new_trailing--)
- index = g_utf8_next_char (label->text + new_index) - label->text;
- }
-
- return index;
-}
-
-static gint
-ephy_label_move_forward_word (EphyLabel *label,
- gint start)
-{
- gint new_pos = g_utf8_pointer_to_offset (label->text,
- label->text + start);
- gint length;
-
- length = g_utf8_strlen (label->text, -1);
- if (new_pos < length)
- {
- PangoLogAttr *log_attrs;
- gint n_attrs;
-
- ephy_label_ensure_layout (label);
-
- pango_layout_get_log_attrs (label->layout, &log_attrs, &n_attrs);
-
- /* Find the next word end */
- new_pos++;
- while (new_pos < n_attrs && !log_attrs[new_pos].is_word_end)
- new_pos++;
-
- g_free (log_attrs);
- }
-
- return g_utf8_offset_to_pointer (label->text, new_pos) - label->text;
-}
-
-
-static gint
-ephy_label_move_backward_word (EphyLabel *label,
- gint start)
-{
- gint new_pos = g_utf8_pointer_to_offset (label->text,
- label->text + start);
- gint length;
-
- length = g_utf8_strlen (label->text, -1);
-
- if (new_pos > 0)
- {
- PangoLogAttr *log_attrs;
- gint n_attrs;
-
- ephy_label_ensure_layout (label);
-
- pango_layout_get_log_attrs (label->layout, &log_attrs, &n_attrs);
-
- new_pos -= 1;
-
- /* Find the previous word beginning */
- while (new_pos > 0 && !log_attrs[new_pos].is_word_start)
- new_pos--;
-
- g_free (log_attrs);
- }
-
- return g_utf8_offset_to_pointer (label->text, new_pos) - label->text;
-}
-
-static void
-ephy_label_move_cursor (EphyLabel *label,
- GtkMovementStep step,
- gint count,
- gboolean extend_selection)
-{
- gint new_pos;
-
- if (label->select_info == NULL)
- return;
-
- new_pos = label->select_info->selection_end;
-
- if (label->select_info->selection_end != label->select_info->selection_anchor &&
- !extend_selection)
- {
- /* If we have a current selection and aren't extending it, move to the
- * start/or end of the selection as appropriate
- */
- switch (step)
- {
- case GTK_MOVEMENT_VISUAL_POSITIONS:
- {
- gint end_x, end_y;
- gint anchor_x, anchor_y;
- gboolean end_is_left;
-
- get_better_cursor (label, label->select_info->selection_end, &end_x, &end_y);
- get_better_cursor (label, label->select_info->selection_anchor, &anchor_x, &anchor_y);
-
- end_is_left = (end_y < anchor_y) || (end_y == anchor_y && end_x < anchor_x);
-
- if (count < 0)
- new_pos = end_is_left ? label->select_info->selection_end : label->select_info->selection_anchor;
- else
- new_pos = !end_is_left ? label->select_info->selection_end : label->select_info->selection_anchor;
-
- break;
- }
- case GTK_MOVEMENT_LOGICAL_POSITIONS:
- case GTK_MOVEMENT_WORDS:
- if (count < 0)
- new_pos = MIN (label->select_info->selection_end, label->select_info->selection_anchor);
- else
- new_pos = MAX (label->select_info->selection_end, label->select_info->selection_anchor);
- break;
- case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
- case GTK_MOVEMENT_PARAGRAPH_ENDS:
- case GTK_MOVEMENT_BUFFER_ENDS:
- /* FIXME: Can do better here */
- new_pos = count < 0 ? 0 : strlen (label->text);
- break;
- case GTK_MOVEMENT_DISPLAY_LINES:
- case GTK_MOVEMENT_PARAGRAPHS:
- case GTK_MOVEMENT_PAGES:
- case GTK_MOVEMENT_HORIZONTAL_PAGES:
- break;
- }
- }
- else
- {
- switch (step)
- {
- case GTK_MOVEMENT_LOGICAL_POSITIONS:
- new_pos = ephy_label_move_logically (label, new_pos, count);
- break;
- case GTK_MOVEMENT_VISUAL_POSITIONS:
- new_pos = ephy_label_move_visually (label, new_pos, count);
- break;
- case GTK_MOVEMENT_WORDS:
- while (count > 0)
- {
- new_pos = ephy_label_move_forward_word (label, new_pos);
- count--;
- }
- while (count < 0)
- {
- new_pos = ephy_label_move_backward_word (label, new_pos);
- count++;
- }
- break;
- case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
- case GTK_MOVEMENT_PARAGRAPH_ENDS:
- case GTK_MOVEMENT_BUFFER_ENDS:
- /* FIXME: Can do better here */
- new_pos = count < 0 ? 0 : strlen (label->text);
- break;
- case GTK_MOVEMENT_DISPLAY_LINES:
- case GTK_MOVEMENT_PARAGRAPHS:
- case GTK_MOVEMENT_PAGES:
- case GTK_MOVEMENT_HORIZONTAL_PAGES:
- break;
- }
- }
-
- if (extend_selection)
- ephy_label_select_region_index (label,
- label->select_info->selection_anchor,
- new_pos);
- else
- ephy_label_select_region_index (label, new_pos, new_pos);
-}
-
-static void
-ephy_label_copy_clipboard (EphyLabel *label)
-{
- if (label->text && label->select_info)
- {
- gint start, end;
- gint len;
-
- start = MIN (label->select_info->selection_anchor,
- label->select_info->selection_end);
- end = MAX (label->select_info->selection_anchor,
- label->select_info->selection_end);
-
- len = strlen (label->text);
-
- if (end > len)
- end = len;
-
- if (start > len)
- start = len;
-
- if (start != end)
- gtk_clipboard_set_text (gtk_widget_get_clipboard (GTK_WIDGET (label),
- GDK_SELECTION_CLIPBOARD),
- label->text + start, end - start);
- }
-}
-
-static void
-ephy_label_select_all (EphyLabel *label)
-{
- ephy_label_select_region_index (label, 0, strlen (label->text));
-}
-
-/* Quick hack of a popup menu
- */
-static void
-activate_cb (GtkWidget *menuitem,
- EphyLabel *label)
-{
- const gchar *signal = g_object_get_data (G_OBJECT (menuitem), "gtk-signal");
- g_signal_emit_by_name (label, signal);
-}
-
-static void
-append_action_signal (EphyLabel *label,
- GtkWidget *menu,
- const gchar *stock_id,
- const gchar *signal,
- gboolean sensitive)
-{
- GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
-
- g_object_set_data (G_OBJECT (menuitem), "gtk-signal", (char *)signal);
- g_signal_connect (menuitem, "activate",
- G_CALLBACK (activate_cb), label);
-
- gtk_widget_set_sensitive (menuitem, sensitive);
-
- gtk_widget_show (menuitem);
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
-}
-
-static void
-popup_menu_detach (GtkWidget *attach_widget,
- GtkMenu *menu)
-{
- EphyLabel *label;
- label = EPHY_LABEL (attach_widget);
-
- if (label->select_info)
- label->select_info->popup_menu = NULL;
-}
-
-static void
-popup_position_func (GtkMenu *menu,
- gint *x,
- gint *y,
- gboolean *push_in,
- gpointer user_data)
-{
- EphyLabel *label;
- GtkWidget *widget;
- GtkRequisition req;
- GdkScreen *screen;
-
- label = EPHY_LABEL (user_data);
- widget = GTK_WIDGET (label);
-
- if (label->select_info == NULL)
- return;
-
- g_return_if_fail (GTK_WIDGET_REALIZED (label));
-
- screen = gtk_widget_get_screen (widget);
- gdk_window_get_origin (widget->window, x, y);
-
- gtk_widget_size_request (label->select_info->popup_menu, &req);
-
- *x += widget->allocation.width / 2;
- *y += widget->allocation.height;
-
- *x = CLAMP (*x, 0, MAX (0, gdk_screen_get_width (screen) - req.width));
- *y = CLAMP (*y, 0, MAX (0, gdk_screen_get_height (screen) - req.height));
-}
-
-
-static void
-ephy_label_do_popup (EphyLabel *label,
- GdkEventButton *event)
-{
- GtkWidget *menuitem;
- gboolean have_selection;
-
- if (label->select_info == NULL)
- return;
-
- if (label->select_info->popup_menu)
- gtk_widget_destroy (label->select_info->popup_menu);
-
- label->select_info->popup_menu = gtk_menu_new ();
-
- gtk_menu_attach_to_widget (GTK_MENU (label->select_info->popup_menu),
- GTK_WIDGET (label),
- popup_menu_detach);
-
- have_selection =
- label->select_info->selection_anchor != label->select_info->selection_end;
-
-
- append_action_signal (label, label->select_info->popup_menu, GTK_STOCK_CUT, "cut_clipboard",
- FALSE);
- append_action_signal (label, label->select_info->popup_menu, GTK_STOCK_COPY, "copy_clipboard",
- have_selection);
- append_action_signal (label, label->select_info->popup_menu, GTK_STOCK_PASTE, "paste_clipboard",
- FALSE);
-
- menuitem = gtk_menu_item_new_with_label (_("Select All"));
- g_signal_connect_swapped (menuitem, "activate",
- G_CALLBACK (ephy_label_select_all), label);
- gtk_widget_show (menuitem);
- gtk_menu_shell_append (GTK_MENU_SHELL (label->select_info->popup_menu), menuitem);
-
- menuitem = gtk_separator_menu_item_new ();
- gtk_widget_show (menuitem);
- gtk_menu_shell_append (GTK_MENU_SHELL (label->select_info->popup_menu), menuitem);
-
- menuitem = gtk_menu_item_new_with_label (_("Input Methods"));
- gtk_widget_show (menuitem);
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), gtk_menu_new ());
- gtk_widget_set_sensitive (menuitem, FALSE);
- gtk_menu_shell_append (GTK_MENU_SHELL (label->select_info->popup_menu), menuitem);
-
- g_signal_emit (label,
- signals[POPULATE_POPUP],
- 0,
- label->select_info->popup_menu);
-
- if (event)
- gtk_menu_popup (GTK_MENU (label->select_info->popup_menu), NULL, NULL,
- NULL, NULL,
- event->button, event->time);
- else
- gtk_menu_popup (GTK_MENU (label->select_info->popup_menu), NULL, NULL,
- popup_position_func, label,
- 0, gtk_get_current_event_time ());
-}
-
-#endif /* !GTK_CHECK_VERSION (2, 5, 1) */