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Diffstat (limited to 'eel/eel-editable-label.c')
| -rw-r--r-- | eel/eel-editable-label.c | 4230 |
1 files changed, 0 insertions, 4230 deletions
diff --git a/eel/eel-editable-label.c b/eel/eel-editable-label.c deleted file mode 100644 index 2f7eb9504..000000000 --- a/eel/eel-editable-label.c +++ /dev/null @@ -1,4230 +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, see <http://www.gnu.org/licenses/>. - */ - -/* - * 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/. - */ - -#include <config.h> -#include <math.h> -#include <string.h> - -#include "eel-editable-label.h" -#include "eel-accessibility.h" -#include <libgail-util/gailmisc.h> - -#include <glib/gi18n-lib.h> -#include <pango/pango.h> -#include <gtk/gtk.h> -#include <gtk/gtk-a11y.h> -#include <gdk/gdkkeysyms.h> - -enum { - MOVE_CURSOR, - POPULATE_POPUP, - DELETE_FROM_CURSOR, - CUT_CLIPBOARD, - COPY_CLIPBOARD, - PASTE_CLIPBOARD, - TOGGLE_OVERWRITE, - LAST_SIGNAL -}; - -enum { - PROP_0, - PROP_TEXT, - PROP_JUSTIFY, - PROP_WRAP, - PROP_CURSOR_POSITION, - PROP_SELECTION_BOUND -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - -static void eel_editable_label_editable_init (GtkEditableInterface *iface); -static void eel_editable_label_class_init (EelEditableLabelClass *klass); -static void eel_editable_label_init (EelEditableLabel *label); -static void eel_editable_label_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void eel_editable_label_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); -static void eel_editable_label_finalize (GObject *object); -static void eel_editable_label_get_preferred_width (GtkWidget *widget, - gint *minimum, - gint *natural); -static void eel_editable_label_get_preferred_height (GtkWidget *widget, - gint *minimum, - gint *natural); -static void eel_editable_label_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void eel_editable_label_state_changed (GtkWidget *widget, - GtkStateType state); -static void eel_editable_label_style_updated (GtkWidget *widget); -static void eel_editable_label_direction_changed (GtkWidget *widget, - GtkTextDirection previous_dir); -static gint eel_editable_label_draw (GtkWidget *widget, - cairo_t *cr); -static void eel_editable_label_realize (GtkWidget *widget); -static void eel_editable_label_unrealize (GtkWidget *widget); -static void eel_editable_label_map (GtkWidget *widget); -static void eel_editable_label_unmap (GtkWidget *widget); -static gint eel_editable_label_button_press (GtkWidget *widget, - GdkEventButton *event); -static gint eel_editable_label_button_release (GtkWidget *widget, - GdkEventButton *event); -static gint eel_editable_label_motion (GtkWidget *widget, - GdkEventMotion *event); -static gint eel_editable_label_key_press (GtkWidget *widget, - GdkEventKey *event); -static gint eel_editable_label_key_release (GtkWidget *widget, - GdkEventKey *event); -static gint eel_editable_label_focus_in (GtkWidget *widget, - GdkEventFocus *event); -static gint eel_editable_label_focus_out (GtkWidget *widget, - GdkEventFocus *event); -static void eel_editable_label_commit_cb (GtkIMContext *context, - const gchar *str, - EelEditableLabel *label); -static void eel_editable_label_preedit_changed_cb (GtkIMContext *context, - EelEditableLabel *label); -static gboolean eel_editable_label_retrieve_surrounding_cb (GtkIMContext *context, - EelEditableLabel *label); -static gboolean eel_editable_label_delete_surrounding_cb (GtkIMContext *slave, - gint offset, - gint n_chars, - EelEditableLabel *label); -static void eel_editable_label_clear_layout (EelEditableLabel *label); -static void eel_editable_label_recompute (EelEditableLabel *label); -static void eel_editable_label_ensure_layout (EelEditableLabel *label, - gboolean include_preedit); -static void eel_editable_label_select_region_index (EelEditableLabel *label, - gint anchor_index, - gint end_index); -static gboolean eel_editable_label_focus (GtkWidget *widget, - GtkDirectionType direction); -static void eel_editable_label_move_cursor (EelEditableLabel *label, - GtkMovementStep step, - gint count, - gboolean extend_selection); -static void eel_editable_label_delete_from_cursor (EelEditableLabel *label, - GtkDeleteType type, - gint count); -static void eel_editable_label_copy_clipboard (EelEditableLabel *label); -static void eel_editable_label_cut_clipboard (EelEditableLabel *label); -static void eel_editable_label_paste (EelEditableLabel *label, - GdkAtom selection); -static void eel_editable_label_paste_clipboard (EelEditableLabel *label); -static void eel_editable_label_select_all (EelEditableLabel *label); -static void eel_editable_label_do_popup (EelEditableLabel *label, - GdkEventButton *event); -static void eel_editable_label_toggle_overwrite (EelEditableLabel *label); -static gint eel_editable_label_move_forward_word (EelEditableLabel *label, - gint start); -static gint eel_editable_label_move_backward_word (EelEditableLabel *label, - gint start); -static void eel_editable_label_reset_im_context (EelEditableLabel *label); -static void eel_editable_label_check_cursor_blink (EelEditableLabel *label); -static void eel_editable_label_pend_cursor_blink (EelEditableLabel *label); -static GType eel_editable_label_accessible_get_type (void); - -/* Editable implementation: */ -static void editable_insert_text_emit (GtkEditable *editable, - const gchar *new_text, - gint new_text_length, - gint *position); -static void editable_delete_text_emit (GtkEditable *editable, - gint start_pos, - gint end_pos); -static void editable_insert_text (GtkEditable *editable, - const gchar *new_text, - gint new_text_length, - gint *position); -static void editable_delete_text (GtkEditable *editable, - gint start_pos, - gint end_pos); -static gchar * editable_get_chars (GtkEditable *editable, - gint start_pos, - gint end_pos); -static void editable_set_selection_bounds (GtkEditable *editable, - gint start, - gint end); -static gboolean editable_get_selection_bounds (GtkEditable *editable, - gint *start, - gint *end); -static void editable_real_set_position (GtkEditable *editable, - gint position); -static gint editable_get_position (GtkEditable *editable); - -G_DEFINE_TYPE_WITH_CODE (EelEditableLabel, eel_editable_label, GTK_TYPE_MISC, - G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, eel_editable_label_editable_init)); - -static void -add_move_binding (GtkBindingSet *binding_set, - guint keyval, - guint modmask, - GtkMovementStep step, - gint count) -{ - g_assert ((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 -eel_editable_label_class_init (EelEditableLabelClass *class) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (class); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); - GtkBindingSet *binding_set; - - gobject_class->set_property = eel_editable_label_set_property; - gobject_class->get_property = eel_editable_label_get_property; - gobject_class->finalize = eel_editable_label_finalize; - - widget_class->get_preferred_width = eel_editable_label_get_preferred_width; - widget_class->get_preferred_height = eel_editable_label_get_preferred_height; - widget_class->size_allocate = eel_editable_label_size_allocate; - widget_class->state_changed = eel_editable_label_state_changed; - widget_class->style_updated = eel_editable_label_style_updated; - widget_class->direction_changed = eel_editable_label_direction_changed; - widget_class->draw = eel_editable_label_draw; - widget_class->realize = eel_editable_label_realize; - widget_class->unrealize = eel_editable_label_unrealize; - widget_class->map = eel_editable_label_map; - widget_class->unmap = eel_editable_label_unmap; - widget_class->button_press_event = eel_editable_label_button_press; - widget_class->button_release_event = eel_editable_label_button_release; - widget_class->motion_notify_event = eel_editable_label_motion; - widget_class->focus = eel_editable_label_focus; - widget_class->key_press_event = eel_editable_label_key_press; - widget_class->key_release_event = eel_editable_label_key_release; - widget_class->focus_in_event = eel_editable_label_focus_in; - widget_class->focus_out_event = eel_editable_label_focus_out; - - class->move_cursor = eel_editable_label_move_cursor; - class->delete_from_cursor = eel_editable_label_delete_from_cursor; - class->copy_clipboard = eel_editable_label_copy_clipboard; - class->cut_clipboard = eel_editable_label_cut_clipboard; - class->paste_clipboard = eel_editable_label_paste_clipboard; - class->toggle_overwrite = eel_editable_label_toggle_overwrite; - - gtk_widget_class_set_accessible_type (widget_class, eel_editable_label_accessible_get_type ()); - - signals[MOVE_CURSOR] = - g_signal_new ("move-cursor", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, move_cursor), - NULL, NULL, - g_cclosure_marshal_generic, - G_TYPE_NONE, 3, GTK_TYPE_MOVEMENT_STEP, G_TYPE_INT, G_TYPE_BOOLEAN); - - signals[COPY_CLIPBOARD] = - g_signal_new ("copy-clipboard", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, copy_clipboard), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[POPULATE_POPUP] = - g_signal_new ("populate-popup", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EelEditableLabelClass, populate_popup), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, GTK_TYPE_MENU); - - signals[DELETE_FROM_CURSOR] = - g_signal_new ("delete-from-cursor", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, delete_from_cursor), - NULL, NULL, - g_cclosure_marshal_generic, - G_TYPE_NONE, 2, GTK_TYPE_DELETE_TYPE, G_TYPE_INT); - - signals[CUT_CLIPBOARD] = - g_signal_new ("cut-clipboard", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, cut_clipboard), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[PASTE_CLIPBOARD] = - g_signal_new ("paste-clipboard", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, paste_clipboard), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[TOGGLE_OVERWRITE] = - g_signal_new ("toggle-overwrite", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EelEditableLabelClass, toggle_overwrite), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - - g_object_class_install_property (gobject_class, - PROP_TEXT, - g_param_spec_string ("text", - _("Text"), - _("The text of the label."), - NULL, - G_PARAM_READWRITE)); - g_object_class_install_property (gobject_class, - PROP_JUSTIFY, - g_param_spec_enum ("justify", - _("Justification"), - _("The alignment of the lines in the text of the label relative to each other. This does NOT affect the alignment of the label within its allocation. See GtkMisc::xalign for that."), - GTK_TYPE_JUSTIFICATION, - GTK_JUSTIFY_LEFT, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, - PROP_WRAP, - g_param_spec_boolean ("wrap", - _("Line wrap"), - _("If set, wrap lines if the text becomes too wide."), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, - PROP_CURSOR_POSITION, - g_param_spec_int ("cursor_position", - _("Cursor Position"), - _("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", - _("Selection Bound"), - _("The position of the opposite end of the selection from the cursor in chars."), - 0, - G_MAXINT, - 0, - G_PARAM_READABLE)); - - /* - * Key bindings - */ - - binding_set = gtk_binding_set_by_class (class); - - /* Moving the insertion point */ - add_move_binding (binding_set, GDK_KEY_Right, 0, - GTK_MOVEMENT_VISUAL_POSITIONS, 1); - - add_move_binding (binding_set, GDK_KEY_Left, 0, - GTK_MOVEMENT_VISUAL_POSITIONS, -1); - - add_move_binding (binding_set, GDK_KEY_KP_Right, 0, - GTK_MOVEMENT_VISUAL_POSITIONS, 1); - - add_move_binding (binding_set, GDK_KEY_KP_Left, 0, - GTK_MOVEMENT_VISUAL_POSITIONS, -1); - - add_move_binding (binding_set, GDK_KEY_f, GDK_CONTROL_MASK, - GTK_MOVEMENT_LOGICAL_POSITIONS, 1); - - add_move_binding (binding_set, GDK_KEY_b, GDK_CONTROL_MASK, - GTK_MOVEMENT_LOGICAL_POSITIONS, -1); - - add_move_binding (binding_set, GDK_KEY_Right, GDK_CONTROL_MASK, - GTK_MOVEMENT_WORDS, 1); - - add_move_binding (binding_set, GDK_KEY_Left, GDK_CONTROL_MASK, - GTK_MOVEMENT_WORDS, -1); - - add_move_binding (binding_set, GDK_KEY_KP_Right, GDK_CONTROL_MASK, - GTK_MOVEMENT_WORDS, 1); - - add_move_binding (binding_set, GDK_KEY_KP_Left, GDK_CONTROL_MASK, - GTK_MOVEMENT_WORDS, -1); - - add_move_binding (binding_set, GDK_KEY_a, GDK_CONTROL_MASK, - GTK_MOVEMENT_PARAGRAPH_ENDS, -1); - - add_move_binding (binding_set, GDK_KEY_e, GDK_CONTROL_MASK, - GTK_MOVEMENT_PARAGRAPH_ENDS, 1); - - add_move_binding (binding_set, GDK_KEY_f, GDK_MOD1_MASK, - GTK_MOVEMENT_WORDS, 1); - - add_move_binding (binding_set, GDK_KEY_b, GDK_MOD1_MASK, - GTK_MOVEMENT_WORDS, -1); - - add_move_binding (binding_set, GDK_KEY_Home, 0, - GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1); - - add_move_binding (binding_set, GDK_KEY_End, 0, - GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1); - - add_move_binding (binding_set, GDK_KEY_KP_Home, 0, - GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1); - - add_move_binding (binding_set, GDK_KEY_KP_End, 0, - GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1); - - add_move_binding (binding_set, GDK_KEY_Home, GDK_CONTROL_MASK, - GTK_MOVEMENT_BUFFER_ENDS, -1); - - add_move_binding (binding_set, GDK_KEY_End, GDK_CONTROL_MASK, - GTK_MOVEMENT_BUFFER_ENDS, 1); - - add_move_binding (binding_set, GDK_KEY_KP_Home, GDK_CONTROL_MASK, - GTK_MOVEMENT_BUFFER_ENDS, -1); - - add_move_binding (binding_set, GDK_KEY_KP_End, GDK_CONTROL_MASK, - GTK_MOVEMENT_BUFFER_ENDS, 1); - - add_move_binding (binding_set, GDK_KEY_Up, 0, - GTK_MOVEMENT_DISPLAY_LINES, -1); - - add_move_binding (binding_set, GDK_KEY_KP_Up, 0, - GTK_MOVEMENT_DISPLAY_LINES, -1); - - add_move_binding (binding_set, GDK_KEY_Down, 0, - GTK_MOVEMENT_DISPLAY_LINES, 1); - - add_move_binding (binding_set, GDK_KEY_KP_Down, 0, - GTK_MOVEMENT_DISPLAY_LINES, 1); - - /* Select all - */ - gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_CONTROL_MASK, - "move-cursor", 3, - GTK_TYPE_MOVEMENT_STEP, GTK_MOVEMENT_BUFFER_ENDS, - G_TYPE_INT, -1, - G_TYPE_BOOLEAN, FALSE); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_CONTROL_MASK, - "move-cursor", 3, - GTK_TYPE_MOVEMENT_STEP, GTK_MOVEMENT_BUFFER_ENDS, - G_TYPE_INT, 1, - G_TYPE_BOOLEAN, TRUE); - - /* Deleting text */ - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_CHARS, - G_TYPE_INT, 1); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_CHARS, - G_TYPE_INT, 1); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, 0, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_CHARS, - G_TYPE_INT, -1); - - /* Make this do the same as Backspace, to help with mis-typing */ - gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_CHARS, - G_TYPE_INT, -1); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_CONTROL_MASK, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_WORD_ENDS, - G_TYPE_INT, 1); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_CONTROL_MASK, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_WORD_ENDS, - G_TYPE_INT, 1); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_CONTROL_MASK, - "delete-from-cursor", 2, - G_TYPE_ENUM, GTK_DELETE_WORD_ENDS, - G_TYPE_INT, -1); - - /* Cut/copy/paste */ - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_x, GDK_CONTROL_MASK, - "cut-clipboard", 0); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_c, GDK_CONTROL_MASK, - "copy-clipboard", 0); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_v, GDK_CONTROL_MASK, - "paste-clipboard", 0); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK, - "cut-clipboard", 0); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_CONTROL_MASK, - "copy-clipboard", 0); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_SHIFT_MASK, - "paste-clipboard", 0); - - /* Overwrite */ - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, 0, - "toggle-overwrite", 0); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, 0, - "toggle-overwrite", 0); -} - -static void -eel_editable_label_editable_init (GtkEditableInterface *iface) -{ - iface->do_insert_text = editable_insert_text_emit; - iface->do_delete_text = editable_delete_text_emit; - iface->insert_text = editable_insert_text; - iface->delete_text = editable_delete_text; - iface->get_chars = editable_get_chars; - iface->set_selection_bounds = editable_set_selection_bounds; - iface->get_selection_bounds = editable_get_selection_bounds; - iface->set_position = editable_real_set_position; - iface->get_position = editable_get_position; -} - - -static void -eel_editable_label_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EelEditableLabel *label; - - label = EEL_EDITABLE_LABEL (object); - - switch (prop_id) - { - case PROP_TEXT: - eel_editable_label_set_text (label, g_value_get_string (value)); - break; - case PROP_JUSTIFY: - eel_editable_label_set_justify (label, g_value_get_enum (value)); - break; - case PROP_WRAP: - eel_editable_label_set_line_wrap (label, g_value_get_boolean (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -eel_editable_label_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EelEditableLabel *label; - gint offset; - - label = EEL_EDITABLE_LABEL (object); - - switch (prop_id) - { - case PROP_TEXT: - g_value_set_string (value, label->text); - 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_CURSOR_POSITION: - offset = g_utf8_pointer_to_offset (label->text, - label->text + label->selection_end); - g_value_set_int (value, offset); - break; - case PROP_SELECTION_BOUND: - offset = g_utf8_pointer_to_offset (label->text, - label->text + label->selection_anchor); - g_value_set_int (value, offset); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -eel_editable_label_init (EelEditableLabel *label) -{ - label->jtype = GTK_JUSTIFY_LEFT; - label->wrap = FALSE; - label->wrap_mode = PANGO_WRAP_WORD; - - label->layout = NULL; - label->text_size = 1; - label->text = g_malloc (label->text_size); - label->text[0] = '\0'; - label->n_bytes = 0; - - gtk_widget_set_can_focus (GTK_WIDGET (label), TRUE); - gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (label)), - GTK_STYLE_CLASS_ENTRY); - - /* This object is completely private. No external entity can gain a reference - * to it; so we create it here and destroy it in finalize(). - */ - label->im_context = gtk_im_multicontext_new (); - - g_signal_connect (G_OBJECT (label->im_context), "commit", - G_CALLBACK (eel_editable_label_commit_cb), label); - g_signal_connect (G_OBJECT (label->im_context), "preedit-changed", - G_CALLBACK (eel_editable_label_preedit_changed_cb), label); - g_signal_connect (G_OBJECT (label->im_context), "retrieve-surrounding", - G_CALLBACK (eel_editable_label_retrieve_surrounding_cb), label); - g_signal_connect (G_OBJECT (label->im_context), "delete-surrounding", - G_CALLBACK (eel_editable_label_delete_surrounding_cb), label); -} - -/** - * eel_editable_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 #EelEditableLabel - **/ -GtkWidget* -eel_editable_label_new (const gchar *str) -{ - EelEditableLabel *label; - - label = g_object_new (EEL_TYPE_EDITABLE_LABEL, NULL); - - if (str && *str) - eel_editable_label_set_text (label, str); - - return GTK_WIDGET (label); -} - -/** - * eel_editable_label_set_text: - * @label: a #EelEditableLabel - * @str: The text you want to set. - * - * Sets the text within the #EelEditableLabel widget. It overwrites any text that - * was there before. - * - * This will also clear any previously set mnemonic accelerators. - **/ -void -eel_editable_label_set_text (EelEditableLabel *label, - const gchar *str) -{ - GtkEditable *editable; - int tmp_pos; - - g_return_if_fail (EEL_IS_EDITABLE_LABEL (label)); - g_return_if_fail (str != NULL); - - if (strcmp (label->text, str) == 0) - return; - - editable = GTK_EDITABLE (label); - gtk_editable_delete_text (editable, 0, -1); - tmp_pos = 0; - gtk_editable_insert_text (editable, str, strlen (str), &tmp_pos); -} - -/** - * eel_editable_label_get_text: - * @label: a #EelEditableLabel - * - * 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 eel_editable_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. - **/ -const gchar * -eel_editable_label_get_text (EelEditableLabel *label) -{ - g_return_val_if_fail (EEL_IS_EDITABLE_LABEL (label), NULL); - - return label->text; -} - -/** - * eel_editable_label_set_justify: - * @label: a #EelEditableLabel - * @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 eel_editable_label_new(). If you instead want - * to set the alignment of the label as a whole, use - * gtk_misc_set_alignment() instead. eel_editable_label_set_justify() has no - * effect on labels containing only a single line. - **/ -void -eel_editable_label_set_justify (EelEditableLabel *label, - GtkJustification jtype) -{ - g_return_if_fail (EEL_IS_EDITABLE_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 */ - eel_editable_label_recompute (label); - - g_object_notify (G_OBJECT (label), "justify"); - gtk_widget_queue_resize (GTK_WIDGET (label)); - } -} - -/** - * eel_editable_label_get_justify: - * @label: a #EelEditableLabel - * - * Returns the justification of the label. See eel_editable_label_set_justify (). - * - * Return value: #GtkJustification - **/ -GtkJustification -eel_editable_label_get_justify (EelEditableLabel *label) -{ - g_return_val_if_fail (EEL_IS_EDITABLE_LABEL (label), 0); - - return label->jtype; -} - -void -eel_editable_label_set_draw_outline (EelEditableLabel *label, - gboolean draw_outline) -{ - draw_outline = draw_outline != FALSE; - - if (label->draw_outline != draw_outline) - { - label->draw_outline = draw_outline; - - gtk_widget_queue_draw (GTK_WIDGET (label)); - } - -} - - -/** - * eel_editable_label_set_line_wrap: - * @label: a #EelEditableLabel - * @wrap: the setting - * - * Toggles line wrapping within the #EelEditableLabel 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 -eel_editable_label_set_line_wrap (EelEditableLabel *label, - gboolean wrap) -{ - g_return_if_fail (EEL_IS_EDITABLE_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)); - } -} - - -void -eel_editable_label_set_line_wrap_mode (EelEditableLabel *label, - PangoWrapMode mode) -{ - g_return_if_fail (EEL_IS_EDITABLE_LABEL (label)); - - if (label->wrap_mode != mode) - { - label->wrap_mode = mode; - - gtk_widget_queue_resize (GTK_WIDGET (label)); - } - -} - - -/** - * eel_editable_label_get_line_wrap: - * @label: a #EelEditableLabel - * - * Returns whether lines in the label are automatically wrapped. See eel_editable_label_set_line_wrap (). - * - * Return value: %TRUE if the lines of the label are automatically wrapped. - */ -gboolean -eel_editable_label_get_line_wrap (EelEditableLabel *label) -{ - g_return_val_if_fail (EEL_IS_EDITABLE_LABEL (label), FALSE); - - return label->wrap; -} - -PangoFontDescription * -eel_editable_label_get_font_description (EelEditableLabel *label) -{ - if (label->font_desc) - return pango_font_description_copy (label->font_desc); - - return NULL; -} - -void -eel_editable_label_set_font_description (EelEditableLabel *label, - const PangoFontDescription *desc) -{ - if (label->font_desc) - pango_font_description_free (label->font_desc); - - if (desc) - label->font_desc = pango_font_description_copy (desc); - else - label->font_desc = NULL; - - eel_editable_label_clear_layout (label); -} - -static void -eel_editable_label_finalize (GObject *object) -{ - EelEditableLabel *label; - - g_assert (EEL_IS_EDITABLE_LABEL (object)); - - label = EEL_EDITABLE_LABEL (object); - - if (label->font_desc) - { - pango_font_description_free (label->font_desc); - label->font_desc = NULL; - } - - g_object_unref (G_OBJECT (label->im_context)); - label->im_context = NULL; - - g_free (label->text); - label->text = NULL; - - if (label->layout) - { - g_object_unref (G_OBJECT (label->layout)); - label->layout = NULL; - } - - G_OBJECT_CLASS (eel_editable_label_parent_class)->finalize (object); -} - -static void -eel_editable_label_clear_layout (EelEditableLabel *label) -{ - if (label->layout) - { - g_object_unref (G_OBJECT (label->layout)); - label->layout = NULL; - } -} - -static void -eel_editable_label_recompute (EelEditableLabel *label) -{ - eel_editable_label_clear_layout (label); - eel_editable_label_check_cursor_blink (label); -} - -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 (EelEditableLabel *label) -{ - PangoLayout *layout; - GtkStyleContext *style = gtk_widget_get_style_context (GTK_WIDGET (label)); - PangoFontDescription *desc; - - 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); - } - - gtk_style_context_get (style, gtk_widget_get_state_flags (GTK_WIDGET (label)), - GTK_STYLE_PROPERTY_FONT, &desc, - NULL); - - if (wrap_width->font_desc && pango_font_description_equal (wrap_width->font_desc, desc)) - goto out; - - if (wrap_width->font_desc) - pango_font_description_free (wrap_width->font_desc); - - wrap_width->font_desc = pango_font_description_copy (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); - - out: - pango_font_description_free (desc); - - return wrap_width->width; -} - -static void -eel_editable_label_ensure_layout (EelEditableLabel *label, - gboolean include_preedit) -{ - GtkWidget *widget; - PangoRectangle logical_rect; - - /* Normalize for comparisons */ - include_preedit = include_preedit != 0; - - if (label->preedit_length > 0 && - include_preedit != label->layout_includes_preedit) - eel_editable_label_clear_layout (label); - - widget = GTK_WIDGET (label); - - if (label->layout == NULL) - { - gchar *preedit_string = NULL; - gint preedit_length = 0; - PangoAttrList *preedit_attrs = NULL; - PangoAlignment align = PANGO_ALIGN_LEFT; /* Quiet gcc */ - PangoAttrList *tmp_attrs = pango_attr_list_new (); - - if (include_preedit) - { - gtk_im_context_get_preedit_string (label->im_context, - &preedit_string, &preedit_attrs, NULL); - preedit_length = label->preedit_length; - } - - if (preedit_length) - { - GString *tmp_string = g_string_new (NULL); - - g_string_prepend_len (tmp_string, label->text, label->n_bytes); - g_string_insert (tmp_string, label->selection_anchor, preedit_string); - - label->layout = gtk_widget_create_pango_layout (widget, tmp_string->str); - - pango_attr_list_splice (tmp_attrs, preedit_attrs, - label->selection_anchor, preedit_length); - - g_string_free (tmp_string, TRUE); - } - else - { - label->layout = gtk_widget_create_pango_layout (widget, label->text); - } - label->layout_includes_preedit = include_preedit; - - if (label->font_desc != NULL) - pango_layout_set_font_description (label->layout, label->font_desc); - - pango_layout_set_attributes (label->layout, tmp_attrs); - - if (preedit_string) - g_free (preedit_string); - if (preedit_attrs) - pango_attr_list_unref (preedit_attrs); - pango_attr_list_unref (tmp_attrs); - - switch (label->jtype) - { - case GTK_JUSTIFY_LEFT: - align = PANGO_ALIGN_LEFT; - break; - case GTK_JUSTIFY_RIGHT: - align = 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 = PANGO_ALIGN_LEFT; - pango_layout_set_justify (label->layout, TRUE); - break; - default: - g_assert_not_reached(); - } - - pango_layout_set_alignment (label->layout, align); - - if (label->wrap) - { - gint longest_paragraph; - gint width, height; - gint set_width; - - gtk_widget_get_size_request (widget, &set_width, NULL); - if (set_width > 0) - pango_layout_set_width (label->layout, set_width * PANGO_SCALE); - else - { - 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_width () + 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); - } - pango_layout_set_wrap (label->layout, label->wrap_mode); - } - else /* !label->wrap */ - pango_layout_set_width (label->layout, -1); - } -} - -static void -eel_editable_label_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - EelEditableLabel *label; - gint width, height; - PangoRectangle logical_rect; - gint set_width; - gint xpad, ypad; - - g_assert (EEL_IS_EDITABLE_LABEL (widget)); - g_assert (requisition != NULL); - - label = EEL_EDITABLE_LABEL (widget); - - /* - * If word wrapping is on, then the height requisition can depend - * on: - * - * - Any width set on the widget via gtk_widget_set_size_request(). - * - 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) - eel_editable_label_recompute (label); - - eel_editable_label_ensure_layout (label, TRUE); - - gtk_misc_get_padding (&label->misc, - &xpad, &ypad); - width = xpad * 2; - height = ypad * 2; - - pango_layout_get_extents (label->layout, NULL, &logical_rect); - - gtk_widget_get_size_request (widget, &set_width, NULL); - if (label->wrap && set_width > 0) - width += set_width; - else - width += PANGO_PIXELS (logical_rect.width); - - height += PANGO_PIXELS (logical_rect.height); - - requisition->width = width; - requisition->height = height; -} - -static void -eel_editable_label_get_preferred_width (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - GtkRequisition requisition; - - eel_editable_label_size_request (widget, &requisition); - - *minimum = *natural = requisition.width; -} - -static void -eel_editable_label_get_preferred_height (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - GtkRequisition requisition; - - eel_editable_label_size_request (widget, &requisition); - - *minimum = *natural = requisition.height; -} - -static void -eel_editable_label_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - (* GTK_WIDGET_CLASS (eel_editable_label_parent_class)->size_allocate) (widget, allocation); - - gdk_window_move_resize (label->text_area, allocation->x, allocation->y, - allocation->width, allocation->height); -} - -static void -eel_editable_label_state_changed (GtkWidget *widget, - GtkStateType prev_state) -{ - EelEditableLabel *label; - - label = EEL_EDITABLE_LABEL (widget); - - /* clear any selection if we're insensitive */ - if (!gtk_widget_is_sensitive (widget)) - eel_editable_label_select_region (label, 0, 0); - - if (GTK_WIDGET_CLASS (eel_editable_label_parent_class)->state_changed) - GTK_WIDGET_CLASS (eel_editable_label_parent_class)->state_changed (widget, prev_state); -} - -static void -eel_editable_label_style_updated (GtkWidget *widget) -{ - EelEditableLabel *label; - - g_assert (EEL_IS_EDITABLE_LABEL (widget)); - - label = EEL_EDITABLE_LABEL (widget); - - GTK_WIDGET_CLASS (eel_editable_label_parent_class)->style_updated (widget); - - /* We have to clear the layout, fonts etc. may have changed */ - eel_editable_label_recompute (label); -} - -static void -eel_editable_label_direction_changed (GtkWidget *widget, - GtkTextDirection previous_dir) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - if (label->layout) - pango_layout_context_changed (label->layout); - - GTK_WIDGET_CLASS (eel_editable_label_parent_class)->direction_changed (widget, previous_dir); -} - -static void -get_layout_location (EelEditableLabel *label, - gint *xp, - gint *yp) -{ - GtkMisc *misc; - GtkWidget *widget; - gfloat xalign, yalign; - GtkRequisition req; - gint x, y, xpad, ypad; - GtkAllocation allocation; - - misc = GTK_MISC (label); - widget = GTK_WIDGET (label); - gtk_misc_get_alignment (misc, &xalign, &yalign); - - if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR) - xalign = 1.0 - xalign; - - gtk_widget_get_preferred_size (widget, &req, NULL); - gtk_misc_get_padding (misc, &xpad, &ypad); - - gtk_widget_get_allocation (widget, &allocation); - x = floor (xpad - + ((allocation.width - req.width) * xalign) - + 0.5); - - y = floor (ypad - + ((allocation.height - req.height) * yalign) - + 0.5); - - if (xp) - *xp = x; - - if (yp) - *yp = y; -} - -static gint -eel_editable_label_get_cursor_pos (EelEditableLabel *label, - PangoRectangle *strong_pos, - PangoRectangle *weak_pos) -{ - const gchar *text; - const gchar *preedit_text; - gint index; - - eel_editable_label_ensure_layout (label, TRUE); - - text = pango_layout_get_text (label->layout); - preedit_text = text + label->selection_anchor; - index = label->selection_anchor + - g_utf8_offset_to_pointer (preedit_text, label->preedit_cursor) - preedit_text; - - pango_layout_get_cursor_pos (label->layout, index, strong_pos, weak_pos); - - return index; -} - -/* Copied from gtkutil private function */ -static gboolean -eel_editable_label_get_block_cursor_location (EelEditableLabel *label, - gint *index, - PangoRectangle *pos, - gboolean *at_line_end) -{ - const gchar *text; - const gchar *preedit_text; - PangoLayoutLine *layout_line; - PangoRectangle strong_pos, weak_pos; - gint line_no; - gboolean rtl; - PangoContext *context; - PangoFontMetrics *metrics; - const PangoFontDescription *font_desc; - - eel_editable_label_ensure_layout (label, TRUE); - - text = pango_layout_get_text (label->layout); - preedit_text = text + label->selection_anchor; - text = g_utf8_offset_to_pointer (preedit_text, label->preedit_cursor); - index[0] = label->selection_anchor + text - preedit_text; - - pango_layout_index_to_pos (label->layout, index[0], pos); - - index[1] = label->selection_anchor + g_utf8_next_char (text) - preedit_text; - - if (pos->width != 0) - { - if (at_line_end) - *at_line_end = FALSE; - if (pos->width < 0) /* RTL char, shift x value back to top left of rect */ - { - pos->x += pos->width; - pos->width = -pos->width; - } - return TRUE; - } - - pango_layout_index_to_line_x (label->layout, index[0], FALSE, &line_no, NULL); - layout_line = pango_layout_get_line_readonly (label->layout, line_no); - if (layout_line == NULL) - return FALSE; - - text = pango_layout_get_text (label->layout); - if (index[0] < layout_line->start_index + layout_line->length) - { - /* this may be a zero-width character in the middle of the line, - * or it could be a character where line is wrapped, we do want - * block cursor in latter case */ - if (g_utf8_next_char (text + index[0]) - text != - layout_line->start_index + layout_line->length) - { - /* zero-width character in the middle of the line, do not - * bother with block cursor */ - return FALSE; - } - } - - /* Cursor is at the line end. It may be an empty line, or it could - * be on the left or on the right depending on text direction, or it - * even could be in the middle of visual layout in bidi text. */ - - pango_layout_get_cursor_pos (label->layout, index[0], &strong_pos, &weak_pos); - - if (strong_pos.x != weak_pos.x) - { - /* do not show block cursor in this case, since the character typed - * in may or may not appear at the cursor position */ - return FALSE; - } - - context = pango_layout_get_context (label->layout); - - /* In case when index points to the end of line, pos->x is always most right - * pixel of the layout line, so we need to correct it for RTL text. */ - if (layout_line->length) - { - if (layout_line->resolved_dir == PANGO_DIRECTION_RTL) - { - PangoLayoutIter *iter; - PangoRectangle line_rect; - gint i; - gint left, right; - const gchar *p; - - p = g_utf8_prev_char (text + index[0]); - - pango_layout_line_index_to_x (layout_line, p - text, FALSE, &left); - pango_layout_line_index_to_x (layout_line, p - text, TRUE, &right); - pos->x = MIN (left, right); - - iter = pango_layout_get_iter (label->layout); - for (i = 0; i < line_no; i++) - pango_layout_iter_next_line (iter); - pango_layout_iter_get_line_extents (iter, NULL, &line_rect); - pango_layout_iter_free (iter); - - rtl = TRUE; - pos->x += line_rect.x; - } - else - rtl = FALSE; - } - else - { - rtl = pango_context_get_base_dir (context) == PANGO_DIRECTION_RTL; - } - - font_desc = pango_layout_get_font_description (label->layout); - if (!font_desc) - font_desc = pango_context_get_font_description (context); - - metrics = pango_context_get_metrics (context, font_desc, NULL); - pos->width = pango_font_metrics_get_approximate_char_width (metrics); - pango_font_metrics_unref (metrics); - - if (rtl) - pos->x -= pos->width - 1; - - if (at_line_end) - *at_line_end = TRUE; - - return pos->width != 0; -} - - -/* These functions are copies from gtk+, as they are not exported from gtk+ */ - -static void -eel_editable_label_draw_cursor (EelEditableLabel *label, cairo_t *cr, gint xoffset, gint yoffset) -{ - if (gtk_widget_is_drawable (GTK_WIDGET (label))) - { - GtkWidget *widget = GTK_WIDGET (label); - - gboolean block; - gboolean block_at_line_end; - gint range[2]; - gint index; - GtkStyleContext *context; - PangoRectangle strong_pos; - - context = gtk_widget_get_style_context (widget); - index = eel_editable_label_get_cursor_pos (label, NULL, NULL); - - if (label->overwrite_mode && - eel_editable_label_get_block_cursor_location (label, range, - &strong_pos, - &block_at_line_end)) - block = TRUE; - else - block = FALSE; - - if (!block) - { - gtk_render_insertion_cursor (context, cr, - xoffset, yoffset, - label->layout, index, - gdk_keymap_get_direction (gdk_keymap_get_default ())); - } - else /* Block cursor */ - { - GdkRGBA fg_color; - cairo_region_t *clip; - - gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &fg_color); - - cairo_save (cr); - gdk_cairo_set_source_rgba (cr, &fg_color); - - cairo_rectangle (cr, - xoffset + PANGO_PIXELS (strong_pos.x), - yoffset + PANGO_PIXELS (strong_pos.y), - PANGO_PIXELS (strong_pos.width), - PANGO_PIXELS (strong_pos.height)); - cairo_fill (cr); - - if (!block_at_line_end) - { - GdkRGBA color; - - clip = gdk_pango_layout_get_clip_region (label->layout, - xoffset, yoffset, - range, 1); - - gdk_cairo_region (cr, clip); - cairo_clip (cr); - - gtk_style_context_get_background_color (context, GTK_STATE_FLAG_FOCUSED, - &color); - - gdk_cairo_set_source_rgba (cr, - &color); - cairo_move_to (cr, xoffset, yoffset); - pango_cairo_show_layout (cr, label->layout); - - cairo_region_destroy (clip); - } - - cairo_restore (cr); - } - } -} - - -static gint -eel_editable_label_draw (GtkWidget *widget, - cairo_t *cr) -{ - EelEditableLabel *label; - GtkStyleContext *style; - gint x, y; - - g_assert (EEL_IS_EDITABLE_LABEL (widget)); - - label = EEL_EDITABLE_LABEL (widget); - style = gtk_widget_get_style_context (widget); - - gtk_render_background (style, cr, - 0, 0, - gtk_widget_get_allocated_width (widget), - gtk_widget_get_allocated_height (widget)); - - eel_editable_label_ensure_layout (label, TRUE); - - if (gtk_widget_get_visible (widget) && gtk_widget_get_mapped (widget) && - label->text) - { - get_layout_location (label, &x, &y); - - gtk_render_layout (style, - cr, - x, y, - label->layout); - - if (label->selection_anchor != label->selection_end) - { - gint range[2]; - const char *text; - cairo_region_t *clip; - GtkStateType state; - GdkRGBA background_color; - - range[0] = label->selection_anchor; - range[1] = label->selection_end; - - /* Handle possible preedit string */ - if (label->preedit_length > 0 && - range[1] > label->selection_anchor) - { - text = pango_layout_get_text (label->layout) + label->selection_anchor; - range[1] += g_utf8_offset_to_pointer (text, label->preedit_length) - text; - } - - 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); - - cairo_save (cr); - - gdk_cairo_region (cr, clip); - cairo_clip (cr); - - state = gtk_widget_get_state_flags (widget); - state |= GTK_STATE_FLAG_SELECTED; - - gtk_style_context_get_background_color (style, state, &background_color); - gdk_cairo_set_source_rgba (cr, &background_color); - cairo_paint (cr); - - gtk_style_context_save (style); - gtk_style_context_set_state (style, state); - - gtk_render_layout (style, cr, - x, y, label->layout); - - gtk_style_context_restore (style); - cairo_restore (cr); - - cairo_region_destroy (clip); - } - else if (gtk_widget_has_focus (widget)) - eel_editable_label_draw_cursor (label, cr, x, y); - - if (label->draw_outline) { - gtk_style_context_save (style); - gtk_style_context_set_state (style, gtk_widget_get_state_flags (widget)); - - gtk_render_frame (style, cr, - 0, 0, - gtk_widget_get_allocated_width (widget), - gtk_widget_get_allocated_height (widget)); - - gtk_style_context_restore (style); - } - } - - return FALSE; -} - -static void -eel_editable_label_realize (GtkWidget *widget) -{ - EelEditableLabel *label; - GdkWindowAttr attributes; - gint attributes_mask; - GtkAllocation allocation; - GdkWindow *window; - GtkStyleContext *style; - - gtk_widget_set_realized (widget, TRUE); - label = EEL_EDITABLE_LABEL (widget); - gtk_widget_get_allocation (widget, &allocation); - - attributes.wclass = GDK_INPUT_OUTPUT; - attributes.window_type = GDK_WINDOW_CHILD; - attributes.x = allocation.x; - attributes.y = allocation.y; - attributes.width = allocation.width; - attributes.height = allocation.height; - attributes.visual = gtk_widget_get_visual (widget); - attributes.event_mask = gtk_widget_get_events (widget) | - (GDK_EXPOSURE_MASK | - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_BUTTON1_MOTION_MASK | - GDK_BUTTON3_MOTION_MASK | - GDK_POINTER_MOTION_HINT_MASK | - GDK_POINTER_MOTION_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK); - - attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL; - - window = gdk_window_new (gtk_widget_get_parent_window (widget), - &attributes, attributes_mask); - gtk_widget_set_window (widget, window); - gdk_window_set_user_data (window, widget); - - attributes.cursor = gdk_cursor_new (GDK_XTERM); - attributes.window_type = GDK_WINDOW_CHILD; - attributes.wclass = GDK_INPUT_ONLY; - attributes.event_mask = gtk_widget_get_events (widget); - attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_BUTTON1_MOTION_MASK | - GDK_BUTTON3_MOTION_MASK | - GDK_POINTER_MOTION_HINT_MASK | - GDK_POINTER_MOTION_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK); - attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR; - - label->text_area = gdk_window_new (gtk_widget_get_parent_window (widget), - &attributes, attributes_mask); - gdk_window_set_user_data (label->text_area, widget); - gtk_im_context_set_client_window (label->im_context, label->text_area); - g_object_unref (attributes.cursor); - - style = gtk_widget_get_style_context (widget); - gtk_style_context_set_background (style, gtk_widget_get_window (widget)); -} - -static void -eel_editable_label_unrealize (GtkWidget *widget) -{ - EelEditableLabel *label; - - label = EEL_EDITABLE_LABEL (widget); - - gtk_im_context_set_client_window (label->im_context, NULL); - - if (label->text_area) - { - gdk_window_set_user_data (label->text_area, NULL); - gdk_window_destroy (label->text_area); - label->text_area = NULL; - } - - (* GTK_WIDGET_CLASS (eel_editable_label_parent_class)->unrealize) (widget); -} - -static void -eel_editable_label_map (GtkWidget *widget) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - (* GTK_WIDGET_CLASS (eel_editable_label_parent_class)->map) (widget); - - gdk_window_show (label->text_area); -} - -static void -eel_editable_label_unmap (GtkWidget *widget) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - gdk_window_hide (label->text_area); - - (* GTK_WIDGET_CLASS (eel_editable_label_parent_class)->unmap) (widget); -} - -static void -window_to_layout_coords (EelEditableLabel *label, - gint *x, - gint *y) -{ - gint lx, ly; - - /* get layout location in gtk_widget_get_window (widget) coords */ - get_layout_location (label, &lx, &ly); - - if (x) - *x -= lx; /* go to layout */ - - if (y) - *y -= ly; /* go to layout */ -} - -static void -get_layout_index (EelEditableLabel *label, - gint x, - gint y, - gint *index) -{ - gint trailing = 0; - const gchar *cluster; - const gchar *cluster_end; - - *index = 0; - - eel_editable_label_ensure_layout (label, TRUE); - - window_to_layout_coords (label, &x, &y); - - x *= PANGO_SCALE; - y *= PANGO_SCALE; - - pango_layout_xy_to_index (label->layout, - x, y, - index, &trailing); - - if (*index >= label->selection_anchor && label->preedit_length) - { - if (*index >= label->selection_anchor + label->preedit_length) - *index -= label->preedit_length; - else - { - *index = label->selection_anchor; - trailing = 0; - } - } - - cluster = label->text + *index; - cluster_end = cluster; - while (trailing) - { - cluster_end = g_utf8_next_char (cluster_end); - --trailing; - } - - *index += (cluster_end - cluster); -} - -static void -eel_editable_label_select_word (EelEditableLabel *label) -{ - gint min, max; - - gint start_index = eel_editable_label_move_backward_word (label, label->selection_end); - gint end_index = eel_editable_label_move_forward_word (label, label->selection_end); - - min = MIN (label->selection_anchor, - label->selection_end); - max = MAX (label->selection_anchor, - label->selection_end); - - min = MIN (min, start_index); - max = MAX (max, end_index); - - eel_editable_label_select_region_index (label, min, max); -} - -static gint -eel_editable_label_button_press (GtkWidget *widget, - GdkEventButton *event) -{ - EelEditableLabel *label; - gint index = 0; - - label = EEL_EDITABLE_LABEL (widget); - - if (event->button == 1) - { - if (!gtk_widget_has_focus (widget)) - gtk_widget_grab_focus (widget); - - if (event->type == GDK_3BUTTON_PRESS) - { - eel_editable_label_select_region_index (label, 0, strlen (label->text)); - return TRUE; - } - - if (event->type == GDK_2BUTTON_PRESS) - { - eel_editable_label_select_word (label); - return TRUE; - } - - get_layout_index (label, event->x, event->y, &index); - - if ((label->selection_anchor != - label->selection_end) && - (event->state & GDK_SHIFT_MASK)) - { - gint min, max; - - /* extend (same as motion) */ - min = MIN (label->selection_anchor, - label->selection_end); - max = MAX (label->selection_anchor, - label->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; - } - - eel_editable_label_select_region_index (label, min, max); - } - else - { - if (event->type == GDK_3BUTTON_PRESS) - eel_editable_label_select_region_index (label, 0, strlen (label->text)); - else if (event->type == GDK_2BUTTON_PRESS) - eel_editable_label_select_word (label); - else - /* start a replacement */ - eel_editable_label_select_region_index (label, index, index); - } - - return TRUE; - } - else if (event->button == 2 && event->type == GDK_BUTTON_PRESS) - { - get_layout_index (label, event->x, event->y, &index); - - eel_editable_label_select_region_index (label, index, index); - eel_editable_label_paste (label, GDK_SELECTION_PRIMARY); - - return TRUE; - } - else if (event->button == 3 && event->type == GDK_BUTTON_PRESS) - { - eel_editable_label_do_popup (label, event); - - return TRUE; - - } - return FALSE; -} - -static gint -eel_editable_label_button_release (GtkWidget *widget, - GdkEventButton *event) - -{ - 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 gint -eel_editable_label_motion (GtkWidget *widget, - GdkEventMotion *event) -{ - EelEditableLabel *label; - gint index; - gint x, y; - - label = EEL_EDITABLE_LABEL (widget); - - if ((event->state & GDK_BUTTON1_MASK) == 0) - return FALSE; - - gdk_window_get_device_position (label->text_area, - event->device, - &x, &y, NULL); - - get_layout_index (label, x, y, &index); - - eel_editable_label_select_region_index (label, - label->selection_anchor, - index); - - return TRUE; -} - -static void -get_text_callback (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer user_data_or_owner) -{ - EelEditableLabel *label; - - label = EEL_EDITABLE_LABEL (user_data_or_owner); - - if ((label->selection_anchor != label->selection_end) && - label->text) - { - gint start, end; - gint len; - - start = MIN (label->selection_anchor, - label->selection_end); - end = MAX (label->selection_anchor, - label->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) -{ - EelEditableLabel *label; - - label = EEL_EDITABLE_LABEL (user_data_or_owner); - - label->selection_anchor = label->selection_end; - - gtk_widget_queue_draw (GTK_WIDGET (label)); -} - -static void -eel_editable_label_select_region_index (EelEditableLabel *label, - gint anchor_index, - gint end_index) -{ - GtkClipboard *clipboard; - - g_assert (EEL_IS_EDITABLE_LABEL (label)); - - - if (label->selection_anchor == anchor_index && - label->selection_end == end_index) - return; - - eel_editable_label_reset_im_context (label); - - label->selection_anchor = anchor_index; - label->selection_end = end_index; - - clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); - - if (anchor_index != end_index) - { - GtkTargetList *list; - GtkTargetEntry *targets; - gint n_targets; - - list = gtk_target_list_new (NULL, 0); - gtk_target_list_add_text_targets (list, 0); - targets = gtk_target_table_new_from_list (list, &n_targets); - - gtk_clipboard_set_with_owner (clipboard, - targets, n_targets, - get_text_callback, - clear_text_callback, - G_OBJECT (label)); - - gtk_clipboard_set_can_store (clipboard, NULL, 0); - gtk_target_table_free (targets, n_targets); - gtk_target_list_unref (list); - } - 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)); -} - -/** - * eel_editable_label_select_region: - * @label: a #EelEditableLabel - * @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 eel_editable_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 -eel_editable_label_select_region (EelEditableLabel *label, - gint start_offset, - gint end_offset) -{ - g_return_if_fail (EEL_IS_EDITABLE_LABEL (label)); - - if (label->text) - { - if (start_offset < 0) - start_offset = g_utf8_strlen (label->text, -1); - - if (end_offset < 0) - end_offset = g_utf8_strlen (label->text, -1); - - eel_editable_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); - } -} - -/** - * eel_editable_label_get_selection_bounds: - * @label: a #EelEditableLabel - * @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 -eel_editable_label_get_selection_bounds (EelEditableLabel *label, - gint *start, - gint *end) -{ - gint start_index, end_index; - gint start_offset, end_offset; - gint len; - - g_return_val_if_fail (EEL_IS_EDITABLE_LABEL (label), FALSE); - - - start_index = MIN (label->selection_anchor, - label->selection_end); - end_index = MAX (label->selection_anchor, - label->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; -} - - -/** - * eel_editable_label_get_layout: - * @label: a #EelEditableLabel - * - * Gets the #PangoLayout used to display the label. - * The layout is useful to e.g. convert text positions to - * pixel positions, in combination with eel_editable_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* -eel_editable_label_get_layout (EelEditableLabel *label) -{ - g_return_val_if_fail (EEL_IS_EDITABLE_LABEL (label), NULL); - - eel_editable_label_ensure_layout (label, TRUE); - - return label->layout; -} - -/** - * eel_editable_label_get_layout_offsets: - * @label: a #EelEditableLabel - * @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 -eel_editable_label_get_layout_offsets (EelEditableLabel *label, - gint *x, - gint *y) -{ - g_return_if_fail (EEL_IS_EDITABLE_LABEL (label)); - - get_layout_location (label, x, y); -} - -static void -eel_editable_label_pend_cursor_blink (EelEditableLabel *label) -{ - /* TODO */ -} - -static void -eel_editable_label_check_cursor_blink (EelEditableLabel *label) -{ - /* TODO */ -} - -static gint -eel_editable_label_key_press (GtkWidget *widget, - GdkEventKey *event) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - eel_editable_label_pend_cursor_blink (label); - - if (gtk_im_context_filter_keypress (label->im_context, event)) - { - /*TODO eel_editable_label_obscure_mouse_cursor (label);*/ - label->need_im_reset = TRUE; - return TRUE; - } - - if (GTK_WIDGET_CLASS (eel_editable_label_parent_class)->key_press_event (widget, event)) - /* Activate key bindings - */ - return TRUE; - - return FALSE; -} - -static gint -eel_editable_label_key_release (GtkWidget *widget, - GdkEventKey *event) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - if (gtk_im_context_filter_keypress (label->im_context, event)) - { - label->need_im_reset = TRUE; - return TRUE; - } - - return GTK_WIDGET_CLASS (eel_editable_label_parent_class)->key_release_event (widget, event); -} - -static void -eel_editable_label_keymap_direction_changed (GdkKeymap *keymap, - EelEditableLabel *label) -{ - gtk_widget_queue_draw (GTK_WIDGET (label)); -} - -static gint -eel_editable_label_focus_in (GtkWidget *widget, - GdkEventFocus *event) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - gtk_widget_queue_draw (widget); - - label->need_im_reset = TRUE; - gtk_im_context_focus_in (label->im_context); - - g_signal_connect (gdk_keymap_get_default (), - "direction-changed", - G_CALLBACK (eel_editable_label_keymap_direction_changed), label); - - eel_editable_label_check_cursor_blink (label); - - return FALSE; -} - -static gint -eel_editable_label_focus_out (GtkWidget *widget, - GdkEventFocus *event) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (widget); - - gtk_widget_queue_draw (widget); - - label->need_im_reset = TRUE; - gtk_im_context_focus_out (label->im_context); - - eel_editable_label_check_cursor_blink (label); - - g_signal_handlers_disconnect_by_func (gdk_keymap_get_default (), - (gpointer) eel_editable_label_keymap_direction_changed, - label); - - return FALSE; -} - -static void -eel_editable_label_delete_text (EelEditableLabel *label, - int start_pos, - int end_pos) -{ - int anchor, end; - - if (start_pos < 0) - start_pos = 0; - if (end_pos < 0 || end_pos > label->n_bytes) - end_pos = label->n_bytes; - - if (start_pos < end_pos) - { - g_memmove (label->text + start_pos, label->text + end_pos, label->n_bytes + 1 - end_pos); - label->n_bytes -= (end_pos - start_pos); - - anchor = label->selection_anchor; - if (anchor > start_pos) - anchor -= MIN (anchor, end_pos) - start_pos; - - end = label->selection_end; - if (end > start_pos) - end -= MIN (end, end_pos) - start_pos; - - /* We might have changed the selection */ - eel_editable_label_select_region_index (label, anchor, end); - - eel_editable_label_recompute (label); - gtk_widget_queue_resize (GTK_WIDGET (label)); - - g_object_notify (G_OBJECT (label), "text"); - g_signal_emit_by_name (GTK_EDITABLE (label), "changed"); - } -} - -static void -eel_editable_label_insert_text (EelEditableLabel *label, - const gchar *new_text, - gint new_text_length, - gint *index) -{ - if (new_text_length + label->n_bytes + 1 > label->text_size) - { - while (new_text_length + label->n_bytes + 1 > label->text_size) - { - if (label->text_size == 0) - label->text_size = 16; - else - label->text_size *= 2; - } - - label->text = g_realloc (label->text, label->text_size); - } - - g_object_freeze_notify (G_OBJECT (label)); - - g_memmove (label->text + *index + new_text_length, label->text + *index, label->n_bytes - *index); - memcpy (label->text + *index, new_text, new_text_length); - - label->n_bytes += new_text_length; - - /* NUL terminate for safety and convenience */ - label->text[label->n_bytes] = '\0'; - - g_object_notify (G_OBJECT (label), "text"); - - if (label->selection_anchor > *index) - { - g_object_notify (G_OBJECT (label), "cursor_position"); - g_object_notify (G_OBJECT (label), "selection_bound"); - label->selection_anchor += new_text_length; - } - - if (label->selection_end > *index) - { - label->selection_end += new_text_length; - g_object_notify (G_OBJECT (label), "selection_bound"); - } - - *index += new_text_length; - - eel_editable_label_recompute (label); - gtk_widget_queue_resize (GTK_WIDGET (label)); - - g_object_thaw_notify (G_OBJECT (label)); - g_signal_emit_by_name (GTK_EDITABLE (label), "changed"); -} - -/* Used for im_commit_cb and inserting Unicode chars */ -static void -eel_editable_label_enter_text (EelEditableLabel *label, - const gchar *str) -{ - GtkEditable *editable = GTK_EDITABLE (label); - gint tmp_pos; - gboolean old_need_im_reset; - - /* Never reset the im while commiting, as that resets possible im state */ - old_need_im_reset = label->need_im_reset; - label->need_im_reset = FALSE; - - if (label->selection_end != label->selection_anchor) - gtk_editable_delete_selection (editable); - else - { - if (label->overwrite_mode) - eel_editable_label_delete_from_cursor (label, GTK_DELETE_CHARS, 1); - } - - tmp_pos = g_utf8_pointer_to_offset (label->text, - label->text + label->selection_anchor); - gtk_editable_insert_text (GTK_EDITABLE (label), str, strlen (str), &tmp_pos); - tmp_pos = g_utf8_offset_to_pointer (label->text, tmp_pos) - label->text; - eel_editable_label_select_region_index (label, tmp_pos, tmp_pos); - - label->need_im_reset = old_need_im_reset; -} - -/* IM Context Callbacks - */ - -static void -eel_editable_label_commit_cb (GtkIMContext *context, - const gchar *str, - EelEditableLabel *label) -{ - eel_editable_label_enter_text (label, str); -} - -static void -eel_editable_label_preedit_changed_cb (GtkIMContext *context, - EelEditableLabel *label) -{ - gchar *preedit_string; - gint cursor_pos; - - gtk_im_context_get_preedit_string (label->im_context, - &preedit_string, NULL, - &cursor_pos); - label->preedit_length = strlen (preedit_string); - cursor_pos = CLAMP (cursor_pos, 0, g_utf8_strlen (preedit_string, -1)); - label->preedit_cursor = cursor_pos; - g_free (preedit_string); - - eel_editable_label_recompute (label); - gtk_widget_queue_resize (GTK_WIDGET (label)); -} - -static gboolean -eel_editable_label_retrieve_surrounding_cb (GtkIMContext *context, - EelEditableLabel *label) -{ - gtk_im_context_set_surrounding (context, - label->text, - strlen (label->text), - label->selection_end); - - return TRUE; -} - -static gboolean -eel_editable_label_delete_surrounding_cb (GtkIMContext *slave, - gint offset, - gint n_chars, - EelEditableLabel *label) -{ - gint current_pos; - - current_pos = g_utf8_pointer_to_offset (label->text, label->text + label->selection_anchor); - gtk_editable_delete_text (GTK_EDITABLE (label), - current_pos + offset, - current_pos + offset + n_chars); - - return TRUE; -} - -static gboolean -eel_editable_label_focus (GtkWidget *widget, - GtkDirectionType direction) -{ - /* We never want to be in the tab chain */ - 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 (EelEditableLabel *label, - gint index, - gint *x, - gint *y) -{ - GtkTextDirection keymap_direction = - (gdk_keymap_get_direction (gdk_keymap_get_default ()) == PANGO_DIRECTION_LTR) ? - GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL; - GtkTextDirection widget_direction = gtk_widget_get_direction (GTK_WIDGET (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); - - eel_editable_label_get_cursor_pos (label, &strong_pos, &weak_pos); - - if (split_cursor) - { - *x = strong_pos.x / PANGO_SCALE; - *y = strong_pos.y / PANGO_SCALE; - } - else - { - if (keymap_direction == widget_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 -eel_editable_label_move_logically (EelEditableLabel *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; - - eel_editable_label_ensure_layout (label, FALSE); - - 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 -eel_editable_label_move_visually (EelEditableLabel *label, - gint start, - gint count) -{ - gint index; - - index = start; - - while (count != 0) - { - int new_index, new_trailing; - gboolean split_cursor; - gboolean strong; - - eel_editable_label_ensure_layout (label, FALSE); - - g_object_get (gtk_widget_get_settings (GTK_WIDGET (label)), - "gtk-split-cursor", &split_cursor, - NULL); - - if (split_cursor) - strong = TRUE; - else - { - GtkTextDirection keymap_direction = - (gdk_keymap_get_direction (gdk_keymap_get_default ()) == PANGO_DIRECTION_LTR) ? - GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL; - - strong = keymap_direction == gtk_widget_get_direction (GTK_WIDGET (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 -eel_editable_label_move_line (EelEditableLabel *label, - gint start, - gint count) -{ - int n_lines, i; - int x; - PangoLayoutLine *line; - int index; - - eel_editable_label_ensure_layout (label, FALSE); - - n_lines = pango_layout_get_line_count (label->layout); - - for (i = 0; i < n_lines; i++) - { - line = pango_layout_get_line (label->layout, i); - if (start >= line->start_index && - start <= line->start_index + line->length) - { - pango_layout_line_index_to_x (line, start, FALSE, &x); - break; - } - } - if (i == n_lines) - i = n_lines - 1; - - i += count; - i = CLAMP (i, 0, n_lines - 1); - - line = pango_layout_get_line (label->layout, i); - if (pango_layout_line_x_to_index (line, - x, - &index, NULL)) - return index; - else - { - if (i == n_lines - 1) - return line->start_index + line->length; - else - return line->start_index + line->length - 1; - } -} - -static gint -eel_editable_label_move_forward_word (EelEditableLabel *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; - - eel_editable_label_ensure_layout (label, FALSE); - - pango_layout_get_log_attrs (label->layout, &log_attrs, &n_attrs); - - /* Find the next word end, - (remember, n_attrs is one more than the number of of chars) */ - new_pos++; - while (new_pos < (n_attrs - 1) && !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 -eel_editable_label_move_backward_word (EelEditableLabel *label, - gint start) -{ - gint new_pos = g_utf8_pointer_to_offset (label->text, - label->text + start); - - if (new_pos > 0) - { - PangoLogAttr *log_attrs; - gint n_attrs; - - eel_editable_label_ensure_layout (label, FALSE); - - 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 -eel_editable_label_move_cursor (EelEditableLabel *label, - GtkMovementStep step, - gint count, - gboolean extend_selection) -{ - gint new_pos; - - new_pos = label->selection_end; - - if (label->selection_end != label->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_DISPLAY_LINES: - case GTK_MOVEMENT_VISUAL_POSITIONS: - { - gint end_x, end_y; - gint anchor_x, anchor_y; - gboolean end_is_left; - - get_better_cursor (label, label->selection_end, &end_x, &end_y); - get_better_cursor (label, label->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->selection_end : label->selection_anchor; - else - new_pos = !end_is_left ? label->selection_end : label->selection_anchor; - - break; - } - case GTK_MOVEMENT_LOGICAL_POSITIONS: - case GTK_MOVEMENT_WORDS: - if (count < 0) - new_pos = MIN (label->selection_end, label->selection_anchor); - else - new_pos = MAX (label->selection_end, label->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_PARAGRAPHS: - case GTK_MOVEMENT_PAGES: - break; - default: - g_assert_not_reached (); - break; - } - } - else - { - switch (step) - { - case GTK_MOVEMENT_LOGICAL_POSITIONS: - new_pos = eel_editable_label_move_logically (label, new_pos, count); - break; - case GTK_MOVEMENT_VISUAL_POSITIONS: - new_pos = eel_editable_label_move_visually (label, new_pos, count); - break; - case GTK_MOVEMENT_WORDS: - while (count > 0) - { - new_pos = eel_editable_label_move_forward_word (label, new_pos); - count--; - } - while (count < 0) - { - new_pos = eel_editable_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: - new_pos = eel_editable_label_move_line (label, new_pos, count); - break; - break; - case GTK_MOVEMENT_PARAGRAPHS: - case GTK_MOVEMENT_PAGES: - break; - default: - g_assert_not_reached (); - break; - } - } - - if (extend_selection) - eel_editable_label_select_region_index (label, - label->selection_anchor, - new_pos); - else - eel_editable_label_select_region_index (label, new_pos, new_pos); -} - -static void -eel_editable_label_reset_im_context (EelEditableLabel *label) -{ - if (label->need_im_reset) - { - label->need_im_reset = 0; - gtk_im_context_reset (label->im_context); - } -} - - -static void -eel_editable_label_delete_from_cursor (EelEditableLabel *label, - GtkDeleteType type, - gint count) -{ - GtkEditable *editable = GTK_EDITABLE (label); - gint start_pos = label->selection_anchor; - gint end_pos = label->selection_anchor; - - eel_editable_label_reset_im_context (label); - - if (label->selection_anchor != label->selection_end) - { - gtk_editable_delete_selection (editable); - return; - } - - switch (type) - { - case GTK_DELETE_CHARS: - end_pos = eel_editable_label_move_logically (label, start_pos, count); - start_pos = g_utf8_pointer_to_offset (label->text, label->text + start_pos); - end_pos = g_utf8_pointer_to_offset (label->text, label->text + end_pos); - gtk_editable_delete_text (GTK_EDITABLE (label), MIN (start_pos, end_pos), MAX (start_pos, end_pos)); - break; - case GTK_DELETE_WORDS: - if (count < 0) - { - /* Move to end of current word, or if not on a word, end of previous word */ - end_pos = eel_editable_label_move_backward_word (label, end_pos); - end_pos = eel_editable_label_move_forward_word (label, end_pos); - } - else if (count > 0) - { - /* Move to beginning of current word, or if not on a word, begining of next word */ - start_pos = eel_editable_label_move_forward_word (label, start_pos); - start_pos = eel_editable_label_move_backward_word (label, start_pos); - } - - /* Fall through */ - case GTK_DELETE_WORD_ENDS: - while (count < 0) - { - start_pos = eel_editable_label_move_backward_word (label, start_pos); - count++; - } - while (count > 0) - { - end_pos = eel_editable_label_move_forward_word (label, end_pos); - count--; - } - start_pos = g_utf8_pointer_to_offset (label->text, label->text + start_pos); - end_pos = g_utf8_pointer_to_offset (label->text, label->text + end_pos); - - gtk_editable_delete_text (GTK_EDITABLE (label), start_pos, end_pos); - break; - case GTK_DELETE_DISPLAY_LINE_ENDS: - case GTK_DELETE_PARAGRAPH_ENDS: - end_pos = g_utf8_pointer_to_offset (label->text, label->text + label->selection_anchor); - if (count < 0) - gtk_editable_delete_text (GTK_EDITABLE (label), 0, end_pos); - else - gtk_editable_delete_text (GTK_EDITABLE (label), end_pos, -1); - break; - case GTK_DELETE_DISPLAY_LINES: - case GTK_DELETE_PARAGRAPHS: - gtk_editable_delete_text (GTK_EDITABLE (label), 0, -1); - break; - case GTK_DELETE_WHITESPACE: - /* TODO eel_editable_label_delete_whitespace (label); */ - break; - } - - eel_editable_label_pend_cursor_blink (label); -} - - -static void -eel_editable_label_copy_clipboard (EelEditableLabel *label) -{ - if (label->text) - { - gint start, end; - gint len; - - start = MIN (label->selection_anchor, - label->selection_end); - end = MAX (label->selection_anchor, - label->selection_end); - - len = strlen (label->text); - - if (end > len) - end = len; - - if (start > len) - start = len; - - if (start != end) - gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - label->text + start, end - start); - } -} - -static void -eel_editable_label_cut_clipboard (EelEditableLabel *label) -{ - if (label->text) - { - gint start, end; - gint len; - - start = MIN (label->selection_anchor, - label->selection_end); - end = MAX (label->selection_anchor, - label->selection_end); - - len = strlen (label->text); - - if (end > len) - end = len; - - if (start > len) - start = len; - - if (start != end) - { - gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - label->text + start, end - start); - start = g_utf8_pointer_to_offset (label->text, label->text + start); - end = g_utf8_pointer_to_offset (label->text, label->text + end); - gtk_editable_delete_text (GTK_EDITABLE (label), start, end); - } - } -} - -static void -paste_received (GtkClipboard *clipboard, - const gchar *text, - gpointer data) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (data); - GtkEditable *editable = GTK_EDITABLE (label); - gint tmp_pos; - - if (text) - { - if (label->selection_end != label->selection_anchor) - gtk_editable_delete_selection (editable); - - tmp_pos = g_utf8_pointer_to_offset (label->text, - label->text + label->selection_anchor); - gtk_editable_insert_text (GTK_EDITABLE (label), text, strlen (text), &tmp_pos); - tmp_pos = g_utf8_offset_to_pointer (label->text, tmp_pos) - label->text; - eel_editable_label_select_region_index (label, tmp_pos, tmp_pos); - } - - g_object_unref (G_OBJECT (label)); -} - -static void -eel_editable_label_paste (EelEditableLabel *label, - GdkAtom selection) -{ - g_object_ref (G_OBJECT (label)); - gtk_clipboard_request_text (gtk_widget_get_clipboard (GTK_WIDGET (label), selection), - paste_received, label); -} - -static void -eel_editable_label_paste_clipboard (EelEditableLabel *label) -{ - eel_editable_label_paste (label, GDK_NONE); -} - -static void -eel_editable_label_select_all (EelEditableLabel *label) -{ - eel_editable_label_select_region_index (label, 0, strlen (label->text)); -} - -/* Quick hack of a popup menu - */ -static void -activate_cb (GtkWidget *menuitem, - EelEditableLabel *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 (EelEditableLabel *label, - GtkWidget *menu, - const gchar *mnemonic_label, - const gchar *signal, - gboolean sensitive) -{ - GtkWidget *menuitem = gtk_menu_item_new_with_mnemonic (mnemonic_label); - - 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) -{ - EelEditableLabel *label; - label = EEL_EDITABLE_LABEL (attach_widget); - - label->popup_menu = NULL; -} - -static void -popup_position_func (GtkMenu *menu, - gint *x, - gint *y, - gboolean *push_in, - gpointer user_data) -{ - EelEditableLabel *label; - GtkWidget *widget; - GtkRequisition req; - GtkAllocation allocation; - - label = EEL_EDITABLE_LABEL (user_data); - widget = GTK_WIDGET (label); - - g_assert (gtk_widget_get_realized (widget)); - - gdk_window_get_origin (label->text_area, x, y); - - gtk_widget_get_preferred_size (widget, &req, NULL); - gtk_widget_get_allocation (widget, &allocation); - - *x += allocation.width / 2; - *y += allocation.height; - - *x = CLAMP (*x, 0, MAX (0, gdk_screen_width () - req.width)); - *y = CLAMP (*y, 0, MAX (0, gdk_screen_height () - req.height)); -} - -static void -eel_editable_label_toggle_overwrite (EelEditableLabel *label) -{ - label->overwrite_mode = !label->overwrite_mode; - gtk_widget_queue_draw (GTK_WIDGET (label)); -} - -typedef struct -{ - EelEditableLabel *label; - gint button; - guint time; -} PopupInfo; - -static void -popup_targets_received (GtkClipboard *clipboard, - GtkSelectionData *data, - gpointer user_data) -{ - GtkWidget *menuitem; - gboolean have_selection; - gboolean clipboard_contains_text; - PopupInfo *info; - EelEditableLabel *label; - - info = user_data; - label = info->label; - - if (gtk_widget_get_realized (GTK_WIDGET (label))) - { - if (label->popup_menu) - gtk_widget_destroy (label->popup_menu); - - label->popup_menu = gtk_menu_new (); - - gtk_menu_attach_to_widget (GTK_MENU (label->popup_menu), - GTK_WIDGET (label), - popup_menu_detach); - - have_selection = - label->selection_anchor != label->selection_end; - - clipboard_contains_text = gtk_selection_data_targets_include_text (data); - - append_action_signal (label, label->popup_menu, _("Cu_t"), "cut-clipboard", - have_selection); - append_action_signal (label, label->popup_menu, _("_Copy"), "copy-clipboard", - have_selection); - append_action_signal (label, label->popup_menu, _("_Paste"), "paste-clipboard", - clipboard_contains_text); - - menuitem = gtk_menu_item_new_with_label (_("Select All")); - g_signal_connect_object (menuitem, "activate", - G_CALLBACK (eel_editable_label_select_all), label, - G_CONNECT_SWAPPED); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (label->popup_menu), menuitem); - - g_signal_emit (label, - signals[POPULATE_POPUP], 0, - label->popup_menu); - - if (info->button) - gtk_menu_popup (GTK_MENU (label->popup_menu), NULL, NULL, - NULL, NULL, - info->button, info->time); - else - { - gtk_menu_popup (GTK_MENU (label->popup_menu), NULL, NULL, - popup_position_func, label, - info->button, info->time); - gtk_menu_shell_select_first (GTK_MENU_SHELL (label->popup_menu), FALSE); - } - } - - g_object_unref (label); - g_free (info); -} - -static void -eel_editable_label_do_popup (EelEditableLabel *label, - GdkEventButton *event) -{ - PopupInfo *info = g_new (PopupInfo, 1); - - /* In order to know what entries we should make sensitive, we - * ask for the current targets of the clipboard, and when - * we get them, then we actually pop up the menu. - */ - info->label = g_object_ref (label); - - if (event) - { - info->button = event->button; - info->time = event->time; - } - else - { - info->button = 0; - info->time = gtk_get_current_event_time (); - } - - gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (label), GDK_SELECTION_CLIPBOARD), - gdk_atom_intern ("TARGETS", FALSE), - popup_targets_received, - info); -} - -/************ Editable implementation ****************/ - -static void -editable_insert_text_emit (GtkEditable *editable, - const gchar *new_text, - gint new_text_length, - gint *position) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - gchar buf[64]; - gchar *text; - int text_length; - - text_length = g_utf8_strlen (label->text, -1); - - if (*position < 0 || *position > text_length) - *position = text_length; - - g_object_ref (G_OBJECT (editable)); - - if (new_text_length <= 63) - text = buf; - else - text = g_new (gchar, new_text_length + 1); - - text[new_text_length] = '\0'; - strncpy (text, new_text, new_text_length); - - g_signal_emit_by_name (editable, "insert-text", text, new_text_length, position); - - if (new_text_length > 63) - g_free (text); - - g_object_unref (G_OBJECT (editable)); -} - -static void -editable_delete_text_emit (GtkEditable *editable, - gint start_pos, - gint end_pos) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - int text_length; - - text_length = g_utf8_strlen (label->text, -1); - - if (end_pos < 0 || end_pos > text_length) - end_pos = text_length; - if (start_pos < 0) - start_pos = 0; - if (start_pos > end_pos) - start_pos = end_pos; - - g_object_ref (G_OBJECT (editable)); - - g_signal_emit_by_name (editable, "delete-text", start_pos, end_pos); - - g_object_unref (G_OBJECT (editable)); -} - -static void -editable_insert_text (GtkEditable *editable, - const gchar *new_text, - gint new_text_length, - gint *position) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - gint index; - - if (new_text_length < 0) - new_text_length = strlen (new_text); - - index = g_utf8_offset_to_pointer (label->text, *position) - label->text; - - eel_editable_label_insert_text (label, - new_text, - new_text_length, - &index); - - *position = g_utf8_pointer_to_offset (label->text, label->text + index); -} - -static void -editable_delete_text (GtkEditable *editable, - gint start_pos, - gint end_pos) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - int text_length; - gint start_index, end_index; - - text_length = g_utf8_strlen (label->text, -1); - - if (end_pos < 0 || end_pos > text_length) - end_pos = text_length; - if (start_pos < 0) - start_pos = 0; - if (start_pos > end_pos) - start_pos = end_pos; - - start_index = g_utf8_offset_to_pointer (label->text, start_pos) - label->text; - end_index = g_utf8_offset_to_pointer (label->text, end_pos) - label->text; - - eel_editable_label_delete_text (label, start_index, end_index); -} - -static gchar * -editable_get_chars (GtkEditable *editable, - gint start_pos, - gint end_pos) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - int text_length; - gint start_index, end_index; - - text_length = g_utf8_strlen (label->text, -1); - - if (end_pos < 0 || end_pos > text_length) - end_pos = text_length; - if (start_pos < 0) - start_pos = 0; - if (start_pos > end_pos) - start_pos = end_pos; - - start_index = g_utf8_offset_to_pointer (label->text, start_pos) - label->text; - end_index = g_utf8_offset_to_pointer (label->text, end_pos) - label->text; - - return g_strndup (label->text + start_index, end_index - start_index); -} - -static void -editable_set_selection_bounds (GtkEditable *editable, - gint start, - gint end) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - int text_length; - gint start_index, end_index; - - text_length = g_utf8_strlen (label->text, -1); - - if (end < 0 || end > text_length) - end = text_length; - if (start < 0) - start = text_length; - if (start > text_length) - start = text_length; - - eel_editable_label_reset_im_context (label); - - start_index = g_utf8_offset_to_pointer (label->text, start) - label->text; - end_index = g_utf8_offset_to_pointer (label->text, end) - label->text; - - eel_editable_label_select_region_index (label, start_index, end_index); -} - -static gboolean -editable_get_selection_bounds (GtkEditable *editable, - gint *start, - gint *end) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - - *start = g_utf8_pointer_to_offset (label->text, label->text + label->selection_anchor); - *end = g_utf8_pointer_to_offset (label->text, label->text + label->selection_end); - - return (label->selection_anchor != label->selection_end); -} - -static void -editable_real_set_position (GtkEditable *editable, - gint position) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - int text_length; - int index; - - text_length = g_utf8_strlen (label->text, -1); - - if (position < 0 || position > text_length) - position = text_length; - - index = g_utf8_offset_to_pointer (label->text, position) - label->text; - - if (index != label->selection_anchor || - index != label->selection_end) - { - eel_editable_label_select_region_index (label, index, index); - } -} - -static gint -editable_get_position (GtkEditable *editable) -{ - EelEditableLabel *label = EEL_EDITABLE_LABEL (editable); - - return g_utf8_pointer_to_offset (label->text, label->text + label->selection_anchor); -} - -/************ Accessible implementation ****************/ - -typedef struct { - GailTextUtil *textutil; - gint selection_anchor; - gint selection_end; - gchar *signal_name; - gint position; - gint length; -} EelEditableLabelAccessiblePrivate; - -typedef struct { - GtkWidgetAccessible parent; - EelEditableLabelAccessiblePrivate *priv; -} EelEditableLabelAccessible; - -typedef GtkWidgetAccessibleClass EelEditableLabelAccessibleClass; - -static void atk_text_interface_init (AtkTextIface *iface); -static void atk_editable_text_interface_init (AtkEditableTextIface *iface); - -G_DEFINE_TYPE_WITH_CODE (EelEditableLabelAccessible, eel_editable_label_accessible, GTK_TYPE_WIDGET_ACCESSIBLE, - G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init) - G_IMPLEMENT_INTERFACE (ATK_TYPE_EDITABLE_TEXT, atk_editable_text_interface_init)) - -typedef struct -{ - EelEditableLabel* label; - gint position; -} EelEditableLabelAccessiblePaste; - -static gchar* -eel_editable_label_accessible_get_text (AtkText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) text)->priv; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - return gail_text_util_get_substring (priv->textutil, start_pos, end_pos); -} - -static gunichar -eel_editable_label_accessible_get_character_at_offset (AtkText *text, - gint offset) -{ - GtkWidget *widget; - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) text)->priv; - gchar *string; - gchar *index; - gunichar unichar; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return '\0'; - - string = gail_text_util_get_substring (priv->textutil, 0, -1); - if (offset >= g_utf8_strlen (string, -1)) - { - unichar = '\0'; - } - else - { - index = g_utf8_offset_to_pointer (string, offset); - - unichar = g_utf8_get_char(index); - } - - g_free(string); - return unichar; -} - -static gchar* -eel_editable_label_accessible_get_text_before_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - EelEditableLabel *label; - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) text)->priv; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - return gail_text_util_get_text (priv->textutil, - eel_editable_label_get_layout (label), - GAIL_BEFORE_OFFSET, - boundary_type, offset, - start_offset, end_offset); -} - -static gchar* -eel_editable_label_accessible_get_text_at_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - EelEditableLabel *label; - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) text)->priv; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - return gail_text_util_get_text (priv->textutil, - eel_editable_label_get_layout (label), - GAIL_AT_OFFSET, - boundary_type, offset, - start_offset, end_offset); -} - -static gchar* -eel_editable_label_accessible_get_text_after_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - EelEditableLabel *label; - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) text)->priv; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - return gail_text_util_get_text (priv->textutil, - eel_editable_label_get_layout (label), - GAIL_AFTER_OFFSET, - boundary_type, offset, - start_offset, end_offset); -} - -static gint -eel_editable_label_accessible_get_caret_offset (AtkText *text) -{ - GtkWidget *widget; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return 0; - - return gtk_editable_get_position (GTK_EDITABLE (widget)); -} - -static gboolean -eel_editable_label_accessible_set_caret_offset (AtkText *text, gint offset) -{ - GtkWidget *widget; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return FALSE; - - gtk_editable_set_position (GTK_EDITABLE (widget), offset); - return TRUE; -} - -static gint -eel_editable_label_accessible_get_character_count (AtkText *text) -{ - GtkWidget *widget; - EelEditableLabel *label; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return 0; - - label = EEL_EDITABLE_LABEL (widget); - return g_utf8_strlen (eel_editable_label_get_text (label), -1); -} - -static gint -eel_editable_label_accessible_get_n_selections (AtkText *text) -{ - GtkWidget *widget; - EelEditableLabel *label; - gint select_start, select_end; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return -1; - - label = EEL_EDITABLE_LABEL (widget); - gtk_editable_get_selection_bounds (GTK_EDITABLE (label), &select_start, - &select_end); - - if (select_start != select_end) - return 1; - else - return 0; -} - -static gchar* -eel_editable_label_accessible_get_selection (AtkText *text, - gint selection_num, - gint *start_pos, - gint *end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - /* Only let the user get the selection if one is set, and if the - * selection_num is 0. - */ - if (selection_num != 0) - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - gtk_editable_get_selection_bounds (GTK_EDITABLE (label), start_pos, end_pos); - - if (*start_pos != *end_pos) - return gtk_editable_get_chars (GTK_EDITABLE (label), *start_pos, *end_pos); - else - return NULL; -} - -static gboolean -eel_editable_label_accessible_add_selection (AtkText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - gint select_start, select_end; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return FALSE; - - label = EEL_EDITABLE_LABEL (widget); - gtk_editable_get_selection_bounds (GTK_EDITABLE (label), &select_start, - &select_end); - - /* If there is already a selection, then don't allow another to be added, - * since EelEditableLabel only supports one selected region. - */ - if (select_start == select_end) - { - gtk_editable_select_region (GTK_EDITABLE (label), start_pos, end_pos); - return TRUE; - } - else - return FALSE; -} - -static gboolean -eel_editable_label_accessible_remove_selection (AtkText *text, - gint selection_num) -{ - GtkWidget *widget; - EelEditableLabel *label; - gint select_start, select_end, caret_pos; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return FALSE; - - if (selection_num != 0) - return FALSE; - - label = EEL_EDITABLE_LABEL (widget); - gtk_editable_get_selection_bounds (GTK_EDITABLE (label), &select_start, - &select_end); - - if (select_start != select_end) - { - /* Setting the start & end of the selected region to the caret position - * turns off the selection. - */ - caret_pos = gtk_editable_get_position (GTK_EDITABLE (label)); - gtk_editable_select_region (GTK_EDITABLE (label), caret_pos, caret_pos); - return TRUE; - } - else - return FALSE; -} - -static gboolean -eel_editable_label_accessible_set_selection (AtkText *text, - gint selection_num, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - gint select_start, select_end; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return FALSE; - - /* Only let the user move the selection if one is set, and if the - * selection_num is 0 - */ - if (selection_num != 0) - return FALSE; - - label = EEL_EDITABLE_LABEL (widget); - gtk_editable_get_selection_bounds (GTK_EDITABLE (label), &select_start, - &select_end); - - if (select_start != select_end) - { - gtk_editable_select_region (GTK_EDITABLE (label), start_pos, end_pos); - return TRUE; - } - else - return FALSE; -} - -static AtkAttributeSet* -eel_editable_label_accessible_get_run_attributes (AtkText *text, - gint offset, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - EelEditableLabel *label; - AtkAttributeSet *at_set = NULL; - GtkTextDirection dir; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - - dir = gtk_widget_get_direction (widget); - if (dir == GTK_TEXT_DIR_RTL) - { - at_set = gail_misc_add_attribute (at_set, - ATK_TEXT_ATTR_DIRECTION, - g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir))); - } - - at_set = gail_misc_layout_get_run_attributes (at_set, - eel_editable_label_get_layout (label), - label->text, - offset, - start_offset, - end_offset); - return at_set; -} - -static AtkAttributeSet* -eel_editable_label_accessible_get_default_attributes (AtkText *text) -{ - GtkWidget *widget; - EelEditableLabel *label; - AtkAttributeSet *at_set = NULL; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - label = EEL_EDITABLE_LABEL (widget); - - at_set = gail_misc_get_default_attributes (at_set, - eel_editable_label_get_layout (label), - widget); - return at_set; -} - -static void -eel_editable_label_accessible_get_character_extents (AtkText *text, - gint offset, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coords) -{ - GtkWidget *widget; - EelEditableLabel *label; - PangoRectangle char_rect; - gint index, cursor_index, x_layout, y_layout; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - eel_editable_label_get_layout_offsets (label, &x_layout, &y_layout); - index = g_utf8_offset_to_pointer (label->text, offset) - label->text; - cursor_index = label->selection_anchor; - if (index > cursor_index) - index += label->preedit_length; - pango_layout_index_to_pos (eel_editable_label_get_layout(label), index, &char_rect); - - gail_misc_get_extents_from_pango_rectangle (widget, &char_rect, - x_layout, y_layout, x, y, width, height, coords); -} - -static gint -eel_editable_label_accessible_get_offset_at_point (AtkText *text, - gint x, - gint y, - AtkCoordType coords) -{ - GtkWidget *widget; - EelEditableLabel *label; - gint index, cursor_index, x_layout, y_layout; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return -1; - - label = EEL_EDITABLE_LABEL (widget); - - eel_editable_label_get_layout_offsets (label, &x_layout, &y_layout); - - index = gail_misc_get_index_at_point_in_layout (widget, - eel_editable_label_get_layout(label), x_layout, y_layout, x, y, coords); - if (index == -1) - { - if (coords == ATK_XY_SCREEN || coords == ATK_XY_WINDOW) - return g_utf8_strlen (label->text, -1); - - return index; - } - else - { - cursor_index = label->selection_anchor; - if (index >= cursor_index && label->preedit_length) - { - if (index >= cursor_index + label->preedit_length) - index -= label->preedit_length; - else - index = cursor_index; - } - return g_utf8_pointer_to_offset (label->text, label->text + index); - } -} - -static void -atk_text_interface_init (AtkTextIface *iface) -{ - g_assert (iface != NULL); - - iface->get_text = eel_editable_label_accessible_get_text; - iface->get_character_at_offset = eel_editable_label_accessible_get_character_at_offset; - iface->get_text_before_offset = eel_editable_label_accessible_get_text_before_offset; - iface->get_text_at_offset = eel_editable_label_accessible_get_text_at_offset; - iface->get_text_after_offset = eel_editable_label_accessible_get_text_after_offset; - iface->get_caret_offset = eel_editable_label_accessible_get_caret_offset; - iface->set_caret_offset = eel_editable_label_accessible_set_caret_offset; - iface->get_character_count = eel_editable_label_accessible_get_character_count; - iface->get_n_selections = eel_editable_label_accessible_get_n_selections; - iface->get_selection = eel_editable_label_accessible_get_selection; - iface->add_selection = eel_editable_label_accessible_add_selection; - iface->remove_selection = eel_editable_label_accessible_remove_selection; - iface->set_selection = eel_editable_label_accessible_set_selection; - iface->get_run_attributes = eel_editable_label_accessible_get_run_attributes; - iface->get_default_attributes = eel_editable_label_accessible_get_default_attributes; - iface->get_character_extents = eel_editable_label_accessible_get_character_extents; - iface->get_offset_at_point = eel_editable_label_accessible_get_offset_at_point; -} - -static void -eel_editable_label_accessible_set_text_contents (AtkEditableText *text, - const gchar *string) -{ - GtkWidget *widget; - EelEditableLabel *label; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - - eel_editable_label_set_text (label, string); -} - -static void -eel_editable_label_accessible_insert_text (AtkEditableText *text, - const gchar *string, - gint length, - gint *position) -{ - GtkWidget *widget; - EelEditableLabel *label; - GtkEditable *editable; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - editable = GTK_EDITABLE (label); - - gtk_editable_insert_text (editable, string, length, position); -} - -static void -eel_editable_label_accessible_copy_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - GtkEditable *editable; - gchar *str; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - editable = GTK_EDITABLE (label); - str = gtk_editable_get_chars (editable, start_pos, end_pos); - gtk_clipboard_set_text (gtk_clipboard_get (GDK_NONE), str, -1); -} - -static void -eel_editable_label_accessible_cut_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - GtkEditable *editable; - gchar *str; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - editable = GTK_EDITABLE (label); - str = gtk_editable_get_chars (editable, start_pos, end_pos); - gtk_clipboard_set_text (gtk_clipboard_get (GDK_NONE), str, -1); - gtk_editable_delete_text (editable, start_pos, end_pos); -} - -static void -eel_editable_label_accessible_delete_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - EelEditableLabel *label; - GtkEditable *editable; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - label = EEL_EDITABLE_LABEL (widget); - editable = GTK_EDITABLE (label); - - gtk_editable_delete_text (editable, start_pos, end_pos); -} - -static void -eel_editable_label_accessible_paste_received (GtkClipboard *clipboard, - const gchar *text, - gpointer data) -{ - EelEditableLabelAccessiblePaste* paste_struct = (EelEditableLabelAccessiblePaste *)data; - - if (text) - gtk_editable_insert_text (GTK_EDITABLE (paste_struct->label), text, -1, - &(paste_struct->position)); - - g_object_unref (paste_struct->label); -} - -static void -eel_editable_label_accessible_paste_text (AtkEditableText *text, - gint position) -{ - GtkWidget *widget; - GtkEditable *editable; - EelEditableLabelAccessiblePaste paste_struct; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); - if (widget == NULL) - /* State is defunct */ - return; - - editable = GTK_EDITABLE (widget); - if (!gtk_editable_get_editable (editable)) - return; - paste_struct.label = EEL_EDITABLE_LABEL (widget); - paste_struct.position = position; - - g_object_ref (paste_struct.label); - gtk_clipboard_request_text (gtk_clipboard_get (GDK_NONE), - eel_editable_label_accessible_paste_received, &paste_struct); -} - -static void -atk_editable_text_interface_init (AtkEditableTextIface *iface) -{ - g_assert (iface != NULL); - - iface->set_text_contents = eel_editable_label_accessible_set_text_contents; - iface->insert_text = eel_editable_label_accessible_insert_text; - iface->copy_text = eel_editable_label_accessible_copy_text; - iface->cut_text = eel_editable_label_accessible_cut_text; - iface->delete_text = eel_editable_label_accessible_delete_text; - iface->paste_text = eel_editable_label_accessible_paste_text; -} - -static void -eel_editable_label_accessible_notify_insert (AtkObject *accessible) -{ - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) accessible)->priv; - - if (priv->signal_name) - { - g_signal_emit_by_name (accessible, - priv->signal_name, - priv->position, - priv->length); - priv->signal_name = NULL; - } -} - -static gboolean -eel_editable_label_accessible_idle_notify_insert (gpointer data) -{ - eel_editable_label_accessible_notify_insert (data); - return FALSE; -} - -/* Note arg1 returns the character at the start of the insert. - * arg2 returns the number of characters inserted. - */ -static void -eel_editable_label_accessible_insert_text_cb (EelEditableLabel *label, - gchar *arg1, - gint arg2, - gpointer arg3) -{ - AtkObject *accessible = gtk_widget_get_accessible (GTK_WIDGET (label)); - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) accessible)->priv; - gint *position = (gint *) arg3; - - if (!priv->signal_name) - { - priv->signal_name = "text-changed::insert"; - priv->position = *position; - priv->length = arg2; - } - /* - * The signal will be emitted when the cursor position is updated. - * or in an idle handler if it not updated. - */ - g_idle_add (eel_editable_label_accessible_idle_notify_insert, accessible); -} - -/* Note arg1 returns the start of the delete range, arg2 returns the - * end of the delete range if multiple characters are deleted. - */ -static void -eel_editable_label_accessible_delete_text_cb (EelEditableLabel *label, - gint arg1, - gint arg2) -{ - AtkObject *accessible; - - accessible = gtk_widget_get_accessible (GTK_WIDGET (label)); - - /* - * Zero length text deleted so ignore - */ - if (arg2 - arg1 == 0) - return; - - g_signal_emit_by_name (accessible, "text-changed::delete", arg1, arg2 - arg1); -} - -static void -eel_editable_label_accessible_changed_cb (EelEditableLabel *label) -{ - AtkObject *accessible = gtk_widget_get_accessible (GTK_WIDGET (label)); - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) accessible)->priv; - - gail_text_util_text_setup (priv->textutil, eel_editable_label_get_text (label)); -} - -static gboolean -check_for_selection_change (AtkObject *accessible, - GtkWidget *widget) -{ - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) accessible)->priv; - EelEditableLabel *label; - gboolean ret_val = FALSE; - - label = EEL_EDITABLE_LABEL (widget); - - if (label->selection_anchor != label->selection_end) - { - if (label->selection_anchor != priv->selection_anchor || - label->selection_end != priv->selection_end) - /* - * This check is here as this function can be called - * for notification of selection_end and selection_anchor. - * The values of selection_anchor and selection_end may be the same - * for both notifications and we only want to generate one - * text_selection_changed signal. - */ - ret_val = TRUE; - } - else - { - /* We had a selection */ - ret_val = (priv->selection_anchor != priv->selection_end); - } - priv->selection_anchor = label->selection_anchor; - priv->selection_end = label->selection_end; - - return ret_val; -} - -static void -eel_editable_label_accessible_notify_gtk (GObject *obj, - GParamSpec *pspec) -{ - GtkWidget *widget; - AtkObject *accessible; - EelEditableLabel *label; - - widget = GTK_WIDGET (obj); - label = EEL_EDITABLE_LABEL (widget); - accessible = gtk_widget_get_accessible (widget); - - if (strcmp (pspec->name, "cursor-position") == 0) - { - eel_editable_label_accessible_notify_insert (accessible); - if (check_for_selection_change (accessible, widget)) - g_signal_emit_by_name (accessible, "text-selection-changed"); - /* - * The label cursor position has moved so generate the signal. - */ - g_signal_emit_by_name (accessible, "text-caret-moved", - g_utf8_pointer_to_offset (label->text, - label->text + label->selection_anchor)); - } - else if (strcmp (pspec->name, "selection-bound") == 0) - { - eel_editable_label_accessible_notify_insert (accessible); - - if (check_for_selection_change (accessible, widget)) - g_signal_emit_by_name (accessible, "text-selection-changed"); - } -} - -static void -eel_editable_label_accessible_initialize (AtkObject *accessible, - gpointer widget) -{ - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) accessible)->priv; - EelEditableLabel *label; - - ATK_OBJECT_CLASS (eel_editable_label_accessible_parent_class)->initialize (accessible, widget); - - label = EEL_EDITABLE_LABEL (widget); - priv->textutil = gail_text_util_new (); - gail_text_util_text_setup (priv->textutil, eel_editable_label_get_text (EEL_EDITABLE_LABEL (widget))); - priv->selection_anchor = label->selection_anchor; - priv->selection_end = label->selection_end; - - g_signal_connect (widget, "insert-text", - G_CALLBACK (eel_editable_label_accessible_insert_text_cb), NULL); - g_signal_connect (widget, "delete-text", - G_CALLBACK (eel_editable_label_accessible_delete_text_cb), NULL); - g_signal_connect (widget, "changed", - G_CALLBACK (eel_editable_label_accessible_changed_cb), NULL); - - g_signal_connect (widget, - "notify", - G_CALLBACK (eel_editable_label_accessible_notify_gtk), - NULL); - atk_object_set_role (accessible, ATK_ROLE_TEXT); -} - -static const gchar* -eel_editable_label_accessible_get_name (AtkObject *accessible) -{ - if (accessible->name != NULL) - return accessible->name; - else - { - GtkWidget *widget; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible)); - if (widget == NULL) - /* State is defunct */ - return NULL; - - g_assert (EEL_IS_EDITABLE_LABEL (widget)); - return eel_editable_label_get_text (EEL_EDITABLE_LABEL (widget)); - } -} - -static AtkStateSet* -eel_editable_label_accessible_ref_state_set (AtkObject *accessible) -{ - AtkStateSet *state_set; - GtkWidget *widget; - - state_set = ATK_OBJECT_CLASS (eel_editable_label_accessible_parent_class)->ref_state_set (accessible); - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible)); - - if (widget == NULL) - return state_set; - - atk_state_set_add_state (state_set, ATK_STATE_EDITABLE); - atk_state_set_add_state (state_set, ATK_STATE_MULTI_LINE); - return state_set; -} - -static void -eel_editable_label_accessible_finalize (GObject *object) -{ - EelEditableLabelAccessiblePrivate *priv = ((EelEditableLabelAccessible *) object)->priv; - g_object_unref (priv->textutil); - - G_OBJECT_CLASS (eel_editable_label_accessible_parent_class)->finalize (object); -} - -static void -eel_editable_label_accessible_init (EelEditableLabelAccessible *self) -{ - self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, eel_editable_label_accessible_get_type (), - EelEditableLabelAccessiblePrivate); -} - -static void -eel_editable_label_accessible_class_init (EelEditableLabelAccessibleClass *klass) -{ - AtkObjectClass *aclass = ATK_OBJECT_CLASS (klass); - GObjectClass *oclass = G_OBJECT_CLASS (klass); - - aclass->initialize = eel_editable_label_accessible_initialize; - aclass->get_name = eel_editable_label_accessible_get_name; - aclass->ref_state_set = eel_editable_label_accessible_ref_state_set; - - oclass->finalize = eel_editable_label_accessible_finalize; - - g_type_class_add_private (klass, sizeof (EelEditableLabelAccessiblePrivate)); -} |