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-rw-r--r--widgets/text/e-completion-view.c687
-rw-r--r--widgets/text/e-completion-view.h103
2 files changed, 790 insertions, 0 deletions
diff --git a/widgets/text/e-completion-view.c b/widgets/text/e-completion-view.c
new file mode 100644
index 0000000000..026cb151dd
--- /dev/null
+++ b/widgets/text/e-completion-view.c
@@ -0,0 +1,687 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * ECompletionView - A text completion selection widget
+ * Copyright (C) 2000, 2001 Ximian, Inc.
+ *
+ * Author: Jon Trowbridge <trow@ximian.com>
+ * Adapted from code by Miguel de Icaza <miguel@ximian.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+
+#include <config.h>
+#include <math.h>
+#include <gdk/gdkkeysyms.h>
+#include <gal/e-table/e-table-simple.h>
+#include <gal/e-table/e-table-scrolled.h>
+#include "e-completion-view.h"
+
+enum {
+ E_COMPLETION_VIEW_NONEMPTY,
+ E_COMPLETION_VIEW_ADDED,
+ E_COMPLETION_VIEW_FULL,
+ E_COMPLETION_VIEW_BROWSE,
+ E_COMPLETION_VIEW_UNBROWSE,
+ E_COMPLETION_VIEW_ACTIVATE,
+ E_COMPLETION_VIEW_LAST_SIGNAL
+};
+
+static guint e_completion_view_signals[E_COMPLETION_VIEW_LAST_SIGNAL] = { 0 };
+
+static void e_completion_view_disconnect (ECompletionView *cv);
+static ETable *e_completion_view_table (ECompletionView *cv);
+static void e_completion_view_clear_choices (ECompletionView *cv);
+static void e_completion_view_set_cursor_row (ECompletionView *cv, gint r);
+static void e_completion_view_select (ECompletionView *cv, gint r);
+
+static gint e_completion_view_key_press_handler (GtkWidget *w, GdkEventKey *key_event, gpointer user_data);
+
+static void e_completion_view_class_init (ECompletionViewClass *klass);
+static void e_completion_view_init (ECompletionView *completion);
+static void e_completion_view_destroy (GtkObject *object);
+
+static GtkObjectClass *parent_class;
+
+
+
+static gint
+e_completion_view_local_key_press_handler (GtkWidget *w, GdkEventKey *ev)
+{
+ return e_completion_view_key_press_handler (w, ev, w);
+}
+
+GtkType
+e_completion_view_get_type (void)
+{
+ static GtkType completion_view_type = 0;
+
+ if (!completion_view_type) {
+ GtkTypeInfo completion_view_info = {
+ "ECompletionView",
+ sizeof (ECompletionView),
+ sizeof (ECompletionViewClass),
+ (GtkClassInitFunc) e_completion_view_class_init,
+ (GtkObjectInitFunc) e_completion_view_init,
+ NULL, NULL, /* reserved */
+ (GtkClassInitFunc) NULL
+ };
+
+ completion_view_type = gtk_type_unique (gtk_vbox_get_type (), &completion_view_info);
+ }
+
+ return completion_view_type;
+}
+
+static void
+e_completion_view_class_init (ECompletionViewClass *klass)
+{
+ GtkObjectClass *object_class = (GtkObjectClass *) klass;
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ parent_class = GTK_OBJECT_CLASS (gtk_type_class (gtk_vbox_get_type ()));
+
+ e_completion_view_signals[E_COMPLETION_VIEW_NONEMPTY] =
+ gtk_signal_new ("nonempty",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, nonempty),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+ e_completion_view_signals[E_COMPLETION_VIEW_ADDED] =
+ gtk_signal_new ("added",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, added),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+ e_completion_view_signals[E_COMPLETION_VIEW_FULL] =
+ gtk_signal_new ("full",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, full),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+ e_completion_view_signals[E_COMPLETION_VIEW_BROWSE] =
+ gtk_signal_new ("browse",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, browse),
+ gtk_marshal_NONE__POINTER,
+ GTK_TYPE_NONE, 1,
+ GTK_TYPE_POINTER);
+
+ e_completion_view_signals[E_COMPLETION_VIEW_UNBROWSE] =
+ gtk_signal_new ("unbrowse",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, unbrowse),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+ e_completion_view_signals[E_COMPLETION_VIEW_ACTIVATE] =
+ gtk_signal_new ("activate",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ECompletionViewClass, activate),
+ gtk_marshal_NONE__POINTER_POINTER,
+ GTK_TYPE_NONE, 2,
+ GTK_TYPE_POINTER, GTK_TYPE_POINTER);
+
+ gtk_object_class_add_signals (object_class, e_completion_view_signals, E_COMPLETION_VIEW_LAST_SIGNAL);
+
+ object_class->destroy = e_completion_view_destroy;
+ widget_class->key_press_event = e_completion_view_local_key_press_handler;
+}
+
+static void
+e_completion_view_init (ECompletionView *completion)
+{
+}
+
+static void
+e_completion_view_destroy (GtkObject *object)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (object);
+
+ e_completion_view_disconnect (cv);
+ e_completion_view_clear_choices (cv);
+
+ if (cv->key_widget) {
+ gtk_signal_disconnect (GTK_OBJECT (cv->key_widget), cv->key_signal_id);
+ gtk_object_unref (GTK_OBJECT (cv->key_widget));
+ }
+
+ if (cv->completion)
+ gtk_object_unref (GTK_OBJECT (cv->completion));
+
+
+ if (parent_class->destroy)
+ (parent_class->destroy) (object);
+}
+
+static void
+e_completion_view_disconnect (ECompletionView *cv)
+{
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+
+ if (cv->begin_signal_id)
+ gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->begin_signal_id);
+ if (cv->comp_signal_id)
+ gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->comp_signal_id);
+ if (cv->restart_signal_id)
+ gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->restart_signal_id);
+ if (cv->cancel_signal_id)
+ gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->cancel_signal_id);
+ if (cv->end_signal_id)
+ gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->end_signal_id);
+
+ cv->begin_signal_id = 0;
+ cv->comp_signal_id = 0;
+ cv->restart_signal_id = 0;
+ cv->end_signal_id = 0;
+}
+
+static ETable *
+e_completion_view_table (ECompletionView *cv)
+{
+ return e_table_scrolled_get_table (E_TABLE_SCROLLED (cv->table));
+}
+
+static void
+e_completion_view_clear_choices (ECompletionView *cv)
+{
+ GList *i;
+
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+
+ for (i = cv->choices; i != NULL; i = g_list_next (i))
+ g_free (i->data);
+
+ g_list_free (cv->choices);
+ cv->choices = NULL;
+
+ cv->choice_count = 0;
+}
+
+static void
+e_completion_view_set_cursor_row (ECompletionView *cv, gint r)
+{
+ ETable *table;
+ GtkAdjustment *adj;
+ gint x, y1, y2, r1, r2, c;
+ double fracline;
+ gint iteration_count=0;
+
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+ g_return_if_fail (r < cv->choice_count);
+
+ adj = e_scroll_frame_get_vadjustment (E_SCROLL_FRAME (cv->table));
+
+ table = e_completion_view_table (cv);
+
+ if (r < 0) {
+ e_table_selection_model_clear (table->selection);
+
+ /* Move back to the top when we clear the selection */
+ gtk_adjustment_set_value (adj, adj->lower);
+ return;
+ }
+
+ e_table_set_cursor_row (table, r);
+
+ /* OK, now the tricky bit. We try to insure that this row is
+ visible. */
+
+ /* If we are selecting the first or last row, then it is easy. We just
+ cram the vadjustment all the way up/down. */
+ if (r == 0) {
+ gtk_adjustment_set_value (adj, adj->lower);
+ return;
+ } else if (r == cv->choice_count - 1) {
+ gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
+ return;
+ }
+
+ fracline = ((adj->upper - adj->lower - adj->page_size) / cv->choice_count) / 4;
+
+ while (iteration_count < 100) {
+ x = GTK_LAYOUT(table->table_canvas)->hadjustment->value;
+ y1 = GTK_LAYOUT(table->table_canvas)->vadjustment->value;
+
+ y2 = y1 + cv->table->allocation.height;
+
+ e_table_group_compute_location (e_completion_view_table (cv)->group, &x, &y1, &r1, &c);
+ e_table_group_compute_location (e_completion_view_table (cv)->group, &x, &y2, &r2, &c);
+
+ if (r <= r1) {
+ gtk_adjustment_set_value (adj, adj->value - fracline);
+ } else if (r >= r2) {
+ gtk_adjustment_set_value (adj, adj->value + fracline);
+ } else
+ return;
+
+ ++iteration_count;
+ }
+
+ g_assert_not_reached ();
+}
+
+static void
+e_completion_view_select (ECompletionView *cv, gint r)
+{
+ const gchar *sel = (const gchar *) g_list_nth_data (cv->choices, r);
+ gpointer extra = e_completion_find_extra_data (cv->completion, sel);
+
+ cv->selection = r;
+ e_completion_view_set_cursor_row (cv, r);
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_ACTIVATE], sel, extra);
+}
+
+static gint
+e_completion_view_key_press_handler (GtkWidget *w, GdkEventKey *key_event, gpointer user_data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (user_data);
+ gint dir = 0;
+
+ /* Start up a completion.*/
+ if (cv->complete_key && key_event->keyval == cv->complete_key && !cv->editable) {
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_BROWSE], NULL);
+ goto stop_emission;
+ }
+
+ /* Stop our completion. */
+ if (cv->uncomplete_key && key_event->keyval == cv->uncomplete_key && cv->editable && cv->selection < 0) {
+ e_completion_view_set_cursor_row (cv, -1);
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_UNBROWSE]);
+ goto stop_emission;
+ }
+
+ if (!cv->editable)
+ return FALSE;
+
+ switch (key_event->keyval) {
+ case GDK_Down:
+ case GDK_KP_Down:
+ dir = 1;
+ break;
+
+ case GDK_Up:
+ case GDK_KP_Up:
+ dir = -1;
+ break;
+
+ case GDK_Return:
+ case GDK_KP_Enter:
+ case GDK_space:
+ case GDK_KP_Space:
+ case GDK_Right: /* Lynx-style "forward" */
+ case GDK_KP_Right:
+ /* Only handle these key presses if we have an active selection;
+ otherwise, pass them on. */
+ if (cv->selection >= 0) {
+ e_completion_view_select (cv, cv->selection);
+ goto stop_emission;
+ }
+ return FALSE;
+
+ case GDK_Escape:
+ case GDK_Left: /* Lynx-style "back" */
+ case GDK_KP_Left:
+ if (cv->selection >= 0) {
+ /* A hack to "unbrowse" us on these keys if we are browsing. */
+ cv->selection = -1;
+ dir = 0;
+ break;
+ }
+
+ return FALSE;
+
+ default:
+ return FALSE;
+ }
+
+ cv->selection += dir;
+
+ if (cv->selection >= cv->choice_count) {
+ cv->selection = cv->choice_count - 1;
+ /* Don't re-emit the browse signal */
+ goto stop_emission;
+ }
+
+ e_completion_view_set_cursor_row (cv, cv->selection);
+
+ if (cv->selection >= 0)
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_BROWSE],
+ g_list_nth_data (cv->choices, cv->selection));
+ else
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_UNBROWSE]);
+
+ stop_emission:
+ gtk_signal_emit_stop_by_name (GTK_OBJECT (w), "key_press_event");
+
+ return TRUE;
+}
+
+static void
+begin_completion_cb (ECompletion *completion, gpointer user_data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (user_data);
+
+ e_completion_view_clear_choices (cv);
+ cv->have_all_choices = FALSE;
+
+ e_table_model_changed (cv->model);
+}
+
+static void
+restart_completion_cb (ECompletion *completion, gpointer user_data)
+{
+ /* For now, handle restarts like the beginning of a new completion. */
+ begin_completion_cb (completion, user_data);
+}
+
+static void
+cancel_completion_cb (ECompletion *completion, gpointer user_data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (user_data);
+
+ /* On a cancel, clear our choices and issue an "unbrowse" signal. */
+ e_completion_view_clear_choices (cv);
+ cv->have_all_choices = TRUE;
+ e_completion_view_set_cursor_row (cv, -1);
+ e_table_model_changed (cv->model);
+
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_UNBROWSE]);
+}
+
+static void
+completion_cb (ECompletion *completion, const gchar *text, gpointer extra_data, gpointer user_data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (user_data);
+ gint r = cv->choice_count;
+ gboolean first = (cv->choices == NULL);
+
+ cv->choices = g_list_append (cv->choices, g_strdup (text));
+ ++cv->choice_count;
+
+ e_table_model_row_inserted (cv->model, r);
+
+ if (first)
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_NONEMPTY]);
+
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_ADDED]);
+}
+
+static void
+end_completion_cb (ECompletion *completion, gpointer user_data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (user_data);
+
+ /* Do a final refresh of the table. */
+ e_table_model_changed (cv->model);
+
+ cv->have_all_choices = TRUE;
+ gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_FULL]);
+}
+
+/*** Table Callbacks ***/
+
+static char *simple_spec =
+"<ETableSpecification no-headers=\"true\" draw-grid=\"false\" cursor-mode=\"line\"> "
+" <ETableColumn model_col=\"0\" _title=\"Node\" expansion=\"1.0\" "
+" minimum_width=\"16\" resizable=\"true\" cell=\"string\" "
+" compare=\"string\"/> "
+" <ETableState> "
+" <column source=\"0\"/> "
+" <grouping></grouping> "
+" </ETableState> "
+"</ETableSpecification>";
+
+static gint
+table_col_count (ETableModel *etm, gpointer data)
+{
+ return 1;
+}
+
+static gint
+table_row_count (ETableModel *etm, gpointer data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (data);
+ return cv->choice_count;
+}
+
+static gboolean
+table_is_cell_editable (ETableModel *etm, gint c, gint r, gpointer data)
+{
+ return FALSE;
+}
+
+static gpointer
+table_value_at (ETableModel *etm, gint c, gint r, gpointer data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (data);
+ gpointer p;
+
+ p = g_list_nth_data (cv->choices, r);
+
+ return p;
+}
+
+static gchar *
+table_value_to_string (ETableModel *em, gint col, gconstpointer val, gpointer data)
+{
+ return (gchar *) val;
+}
+
+static void
+table_click_cb (ETable *et, gint r, gint c, GdkEvent *ev, gpointer data)
+{
+ ECompletionView *cv = E_COMPLETION_VIEW (data);
+
+ e_completion_view_select (cv, r);
+}
+
+void
+e_completion_view_construct (ECompletionView *cv, ECompletion *completion)
+{
+ GtkWidget *frame;
+
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+ g_return_if_fail (completion != NULL);
+ g_return_if_fail (E_IS_COMPLETION (completion));
+
+ /* Make sure we don't call construct twice. */
+ g_return_if_fail (cv->completion == NULL);
+
+ cv->completion = completion;
+ gtk_object_ref (GTK_OBJECT (completion));
+
+ cv->begin_signal_id = gtk_signal_connect (GTK_OBJECT (completion),
+ "begin_completion",
+ GTK_SIGNAL_FUNC (begin_completion_cb),
+ cv);
+ cv->comp_signal_id = gtk_signal_connect (GTK_OBJECT (completion),
+ "completion",
+ GTK_SIGNAL_FUNC (completion_cb),
+ cv);
+ cv->restart_signal_id = gtk_signal_connect (GTK_OBJECT (completion),
+ "restart_completion",
+ GTK_SIGNAL_FUNC (restart_completion_cb),
+ cv);
+ cv->cancel_signal_id = gtk_signal_connect (GTK_OBJECT (completion),
+ "cancel_completion",
+ GTK_SIGNAL_FUNC (cancel_completion_cb),
+ cv);
+ cv->end_signal_id = gtk_signal_connect (GTK_OBJECT (completion),
+ "end_completion",
+ GTK_SIGNAL_FUNC (end_completion_cb),
+ cv);
+
+ cv->model = e_table_simple_new (table_col_count,
+ table_row_count,
+ table_value_at,
+ NULL,
+ table_is_cell_editable,
+ NULL, NULL, NULL, NULL,
+ table_value_to_string,
+ cv);
+
+ cv->table = e_table_scrolled_new (cv->model, NULL, simple_spec, NULL);
+
+ frame = gtk_frame_new (NULL);
+
+ gtk_container_add (GTK_CONTAINER (cv), frame);
+ gtk_container_add (GTK_CONTAINER (frame), cv->table);
+ gtk_widget_show_all (frame);
+
+ gtk_signal_connect (GTK_OBJECT (e_completion_view_table (cv)),
+ "click",
+ GTK_SIGNAL_FUNC (table_click_cb),
+ cv);
+
+ cv->selection = -1;
+}
+
+GtkWidget *
+e_completion_view_new (ECompletion *completion)
+{
+ gpointer p;
+
+ g_return_val_if_fail (completion != NULL, NULL);
+ g_return_val_if_fail (E_IS_COMPLETION (completion), NULL);
+
+ p = gtk_type_new (e_completion_view_get_type ());
+
+ e_completion_view_construct (E_COMPLETION_VIEW (p), completion);
+
+ return GTK_WIDGET (p);
+}
+
+void
+e_completion_view_connect_keys (ECompletionView *cv, GtkWidget *w)
+{
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+ g_return_if_fail (w == NULL || GTK_IS_WIDGET (w));
+
+ if (cv->key_widget) {
+ gtk_signal_disconnect (GTK_OBJECT (cv->key_widget), cv->key_signal_id);
+ gtk_object_unref (GTK_OBJECT (cv->key_widget));
+ }
+
+ if (w) {
+ cv->key_widget = w;
+ gtk_object_ref (GTK_OBJECT (w));
+
+ cv->key_signal_id = gtk_signal_connect (GTK_OBJECT (w),
+ "key_press_event",
+ GTK_SIGNAL_FUNC (e_completion_view_key_press_handler),
+ cv);
+ } else {
+ cv->key_widget = NULL;
+ cv->key_signal_id = 0;
+ }
+}
+
+void
+e_completion_view_set_complete_key (ECompletionView *cv, gint keyval)
+{
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+
+ cv->complete_key = keyval;
+}
+
+void
+e_completion_view_set_uncomplete_key (ECompletionView *cv, gint keyval)
+{
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+
+ cv->uncomplete_key = keyval;
+}
+
+void
+e_completion_view_set_width (ECompletionView *cv, gint width)
+{
+ GtkWidget *w;
+ gint y, r, dummy, line_height;
+ double drop_room, lines;
+
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+ g_return_if_fail (width > 0);
+
+ w = GTK_WIDGET (cv);
+
+ if (! GTK_WIDGET_REALIZED (w)) {
+ gtk_widget_set_usize (w, width, -1);
+ return;
+ }
+
+ /* A Horrible Hack(tm) to figure out the height of a single table row */
+
+ for (line_height=5, r=0; r == 0 && line_height < 1000; line_height += 2) {
+ dummy = 0;
+ e_table_group_compute_location (e_completion_view_table (cv)->group,
+ &dummy, &line_height, &r, &dummy);
+ }
+ if (line_height >= 1000) {
+ /* Something went wrong, so we make a (possibly very lame) guess */
+ line_height = 30;
+ }
+
+
+ gdk_window_get_origin (w->window, NULL, &y);
+ y += w->allocation.y;
+
+ lines = 5; /* default maximum */
+ lines = MIN (lines, cv->choice_count);
+
+ drop_room = (gdk_screen_height () - y) / (double)line_height;
+ drop_room = MAX (drop_room, 1);
+
+ lines = MIN (lines, drop_room);
+
+ /* We reduce the total height by a bit; in practice, this seems to work out well. */
+ gtk_widget_set_usize (w, width, (gint) floor (line_height * lines * 0.97));
+}
+
+void
+e_completion_view_set_editable (ECompletionView *cv, gboolean x)
+{
+ g_return_if_fail (cv != NULL);
+ g_return_if_fail (E_IS_COMPLETION_VIEW (cv));
+
+ if (x == cv->editable)
+ return;
+
+ cv->editable = x;
+ cv->selection = -1;
+ e_completion_view_set_cursor_row (cv, -1);
+}
+
diff --git a/widgets/text/e-completion-view.h b/widgets/text/e-completion-view.h
new file mode 100644
index 0000000000..9b1baeb799
--- /dev/null
+++ b/widgets/text/e-completion-view.h
@@ -0,0 +1,103 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * ECompletionView - A text completion selection widget
+ * Copyright (C) 2000, 2001 Ximian, Inc.
+ *
+ * Author: Jon Trowbridge <trow@ximian.com>
+ * Adapted from code by Miguel de Icaza <miguel@ximian.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+
+#ifndef E_COMPLETION_VIEW_H
+#define E_COMPLETION_VIEW_H
+
+#include <libgnome/gnome-defs.h>
+#include <gtk/gtk.h>
+#include <gal/e-table/e-table.h>
+#include "e-completion.h"
+
+BEGIN_GNOME_DECLS
+
+#define E_COMPLETION_VIEW_TYPE (e_completion_view_get_type ())
+#define E_COMPLETION_VIEW(o) (GTK_CHECK_CAST ((o), E_COMPLETION_VIEW_TYPE, ECompletionView))
+#define E_COMPLETION_VIEW_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), E_COMPLETION_VIEW_TYPE, ECompletionViewClass))
+#define E_IS_COMPLETION_VIEW(o) (GTK_CHECK_TYPE ((o), E_COMPLETION_VIEW_TYPE))
+#define E_IS_COMPLETION_VIEW_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_COMPLETION_VIEW_TYPE))
+
+typedef struct _ECompletionView ECompletionView;
+typedef struct _ECompletionViewClass ECompletionViewClass;
+
+struct _ECompletionView {
+ GtkVBox parent;
+
+ ETableModel *model;
+ GtkWidget *table;
+
+ ECompletion *completion;
+ guint begin_signal_id;
+ guint comp_signal_id;
+ guint restart_signal_id;
+ guint cancel_signal_id;
+ guint end_signal_id;
+
+ GtkWidget *key_widget;
+ guint key_signal_id;
+
+ gint complete_key;
+ gint uncomplete_key;
+
+ GList *choices;
+ gint choice_count;
+ gboolean have_all_choices;
+
+ gboolean editable;
+ gint selection;
+};
+
+struct _ECompletionViewClass {
+ GtkVBoxClass parent_class;
+
+ /* Signals */
+ void (*nonempty) (ECompletionView *cv);
+ void (*added) (ECompletionView *cv);
+ void (*full) (ECompletionView *cv);
+ void (*browse) (ECompletionView *cv, const gchar *text);
+ void (*unbrowse) (ECompletionView *cv);
+ void (*activate) (ECompletionView *cv, const gchar *text, gpointer extra_data);
+};
+
+GtkType e_completion_view_get_type (void);
+
+void e_completion_view_construct (ECompletionView *cv, ECompletion *completion);
+GtkWidget *e_completion_view_new (ECompletion *completion);
+
+void e_completion_view_connect_keys (ECompletionView *cv, GtkWidget *w);
+
+void e_completion_view_set_complete_key (ECompletionView *cv, gint keyval);
+void e_completion_view_set_uncomplete_key (ECompletionView *cv, gint keyval);
+
+void e_completion_view_set_width (ECompletionView *cv, gint width);
+void e_completion_view_set_editable (ECompletionView *cv, gboolean);
+
+END_GNOME_DECLS
+
+
+#endif /* E_COMPLETION_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 16:16:36 +0800