diff options
Diffstat (limited to 'widgets/text/e-completion-view.c')
| -rw-r--r-- | widgets/text/e-completion-view.c | 911 |
1 files changed, 0 insertions, 911 deletions
diff --git a/widgets/text/e-completion-view.c b/widgets/text/e-completion-view.c deleted file mode 100644 index 97a00fccd0..0000000000 --- a/widgets/text/e-completion-view.c +++ /dev/null @@ -1,911 +0,0 @@ -/* -*- 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); -} - -static void -e_completion_view_paint (GtkWidget *widget, GdkRectangle *area) -{ - gint i; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_COMPLETION_VIEW (widget)); - g_return_if_fail (area != NULL); - - if (!GTK_WIDGET_DRAWABLE (widget)) - return; - - for (i = 0; i < E_COMPLETION_VIEW (widget)->border_width; ++i) { - - gdk_draw_rectangle (widget->window, - widget->style->black_gc, - FALSE, i, i, - widget->allocation.width-1-2*i, - widget->allocation.height-1-2*i); - - } - -} - -static void -e_completion_view_draw (GtkWidget *widget, GdkRectangle *area) -{ - GtkBin *bin; - GdkRectangle child_area; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_COMPLETION_VIEW (widget)); - g_return_if_fail (area != NULL); - - if (GTK_WIDGET_DRAWABLE (widget)) { - bin = GTK_BIN (widget); - - e_completion_view_paint (widget, area); - - if (bin->child && gtk_widget_intersect (bin->child, area, &child_area)) - gtk_widget_draw (bin->child, &child_area); - } -} - -static gint -e_completion_view_expose_event (GtkWidget *widget, GdkEventExpose *event) -{ - GtkBin *bin; - GdkEventExpose child_event; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (E_IS_COMPLETION_VIEW (widget), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - if (GTK_WIDGET_DRAWABLE (widget)) { - bin = GTK_BIN (widget); - - e_completion_view_paint (widget, &event->area); - - child_event = *event; - if (bin->child && - GTK_WIDGET_NO_WINDOW (bin->child) && - gtk_widget_intersect (bin->child, &event->area, &child_event.area)) - gtk_widget_event (bin->child, (GdkEvent*) &child_event); - } - - return FALSE; -} - -static void -e_completion_view_size_request (GtkWidget *widget, GtkRequisition *requisition) -{ - GtkBin *bin; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_COMPLETION_VIEW (widget)); - g_return_if_fail (requisition != NULL); - - bin = GTK_BIN (widget); - - requisition->width = 2 * E_COMPLETION_VIEW (widget)->border_width; - requisition->height = 2 * E_COMPLETION_VIEW (widget)->border_width; - - if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) { - GtkRequisition child_requisition; - - gtk_widget_size_request (bin->child, &child_requisition); - - requisition->width += child_requisition.width; - requisition->height += child_requisition.height; - } -} - -static void -e_completion_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) -{ - GtkBin *bin; - GtkAllocation child_allocation; - - g_return_if_fail (widget != NULL); - g_return_if_fail (E_IS_COMPLETION_VIEW (widget)); - g_return_if_fail (allocation != NULL); - - bin = GTK_BIN (widget); - widget->allocation = *allocation; - - child_allocation.x = E_COMPLETION_VIEW (widget)->border_width; - child_allocation.width = MAX(0, (gint)allocation->width - child_allocation.x * 2); - - child_allocation.y = E_COMPLETION_VIEW (widget)->border_width; - child_allocation.height = MAX (0, (gint)allocation->height - child_allocation.y * 2); - - if (GTK_WIDGET_REALIZED (widget)) { - gdk_window_move_resize (widget->window, - allocation->x, - allocation->y, - allocation->width, - allocation->height); - } - - if (bin->child) { - gtk_widget_size_allocate (bin->child, &child_allocation); - } -} - -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_event_box_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_event_box_get_type ())); - - e_completion_view_signals[E_COMPLETION_VIEW_NONEMPTY] = - gtk_signal_new ("nonempty", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ECompletionViewClass, activate), - gtk_marshal_NONE__POINTER, - GTK_TYPE_NONE, 1, - GTK_TYPE_POINTER); - - E_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; - widget_class->draw = e_completion_view_draw; - widget_class->expose_event = e_completion_view_expose_event; - widget_class->size_request = e_completion_view_size_request; - widget_class->size_allocate = e_completion_view_size_allocate; -} - -static void -e_completion_view_init (ECompletionView *completion) -{ - completion->border_width = 2; - completion->choices = g_ptr_array_new (); -} - -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); - - g_ptr_array_free (cv->choices, TRUE); - - 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); - if (cv->clear_signal_id) - gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->clear_signal_id); - if (cv->lost_signal_id) - gtk_signal_disconnect (GTK_OBJECT (cv->completion), cv->lost_signal_id); - - cv->begin_signal_id = 0; - cv->comp_signal_id = 0; - cv->restart_signal_id = 0; - cv->end_signal_id = 0; - cv->clear_signal_id = 0; - cv->lost_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) -{ - ECompletionMatch *match; - GPtrArray *m; - int i; - - g_return_if_fail (E_IS_COMPLETION_VIEW (cv)); - - m = cv->choices; - for (i = 0; i < m->len; i++) { - match = g_ptr_array_index (m, i); - e_completion_match_unref (match); - } - g_ptr_array_set_size (m, 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)); -#ifndef G_DISABLE_CHECKS - /* choices->len is unsigned, but it is reasonable for r to be - * < 0 */ - if (r > 0) { - g_return_if_fail (r < cv->choices->len); - } -#endif - - adj = e_scroll_frame_get_vadjustment (E_SCROLL_FRAME (cv->table)); - - table = e_completion_view_table (cv); - - if (r < 0) { - e_selection_model_clear (E_SELECTION_MODEL(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->choices->len - 1) { - gtk_adjustment_set_value (adj, adj->upper - adj->page_size); - return; - } - - fracline = ((adj->upper - adj->lower - adj->page_size) / (gint)cv->choices->len) / 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) -{ - ECompletionMatch *match; - - match = g_ptr_array_index (cv->choices, r); - - 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], match); -} - -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; - gboolean key_handled = TRUE, complete_key = FALSE, uncomplete_key = FALSE; - - /* FIXME: This is totally lame. - The ECompletionView should be able to specify multiple completion/uncompletion keys, or just - have sensible defaults. */ - - if ((cv->complete_key && key_event->keyval == cv->complete_key) - || ((key_event->keyval == GDK_n || key_event->keyval == GDK_N) && (key_event->state & GDK_CONTROL_MASK))) - complete_key = TRUE; - - if ((cv->uncomplete_key && key_event->keyval == cv->uncomplete_key) - || ((key_event->keyval == GDK_p || key_event->keyval == GDK_P) && (key_event->state & GDK_CONTROL_MASK))) - uncomplete_key = TRUE; - - /* Start up a completion.*/ - if (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 (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_n: - case GDK_N: - /* We (heart) emacs: treat ctrl-n as down */ - if (! (key_event->state & GDK_CONTROL_MASK)) - return FALSE; - - case GDK_Down: - case GDK_KP_Down: - dir = 1; - break; - - case GDK_p: - case GDK_P: - /* Treat ctrl-p as up */ - if (! (key_event->state & GDK_CONTROL_MASK)) - return FALSE; - - case GDK_Up: - case GDK_KP_Up: - dir = -1; - break; - - case GDK_Tab: - /* Unbrowse, unhandled. */ - cv->selection = -1; - dir = 0; - key_handled = FALSE; - break; - - case GDK_Return: - case GDK_KP_Enter: - case GDK_space: - case GDK_KP_Space: - /* 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: - /* Unbrowse hack */ - cv->selection = -1; - dir = 0; - break; - - default: - return FALSE; - } - - cv->selection += dir; - - if (cv->selection >= (int)cv->choices->len) { - cv->selection = cv->choices->len - 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_ptr_array_index (cv->choices, cv->selection)); - else - gtk_signal_emit (GTK_OBJECT (cv), e_completion_view_signals[E_COMPLETION_VIEW_UNBROWSE]); - - stop_emission: - - if (key_handled) - gtk_signal_emit_stop_by_name (GTK_OBJECT (w), "key_press_event"); - - return key_handled; -} - -static void -begin_completion_cb (ECompletion *completion, const gchar *txt, gint pos, gint limit, 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, NULL, 0, 0, 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, ECompletionMatch *match, gpointer user_data) -{ - ECompletionView *cv = E_COMPLETION_VIEW (user_data); - gint r = cv->choices->len; - gboolean first = (cv->choices->len == 0); - - e_completion_match_ref (match); - g_ptr_array_add (cv->choices, match); - - 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]); -} - -static void -clear_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 -lost_completion_cb (ECompletion *completion, ECompletionMatch *match, gpointer user_data) -{ - ECompletionView *cv = E_COMPLETION_VIEW (user_data); - int i; - GPtrArray *c = cv->choices; - - for (i = 0; i < c->len; i++) - if (g_ptr_array_index (c, i) == match) - break; - - g_return_if_fail (i == c->len); - - /* FIXME: do remove_index_fast(), then row_changed and - * row_deleted (if there are more than 1 row still) */ - g_ptr_array_remove_index (c, i); - e_table_model_row_deleted (cv->model, i); - - e_completion_match_unref (match); -} - -/*** Table Callbacks ***/ - -static char *simple_spec = -"<ETableSpecification no-headers=\"true\" draw-grid=\"false\" cursor-mode=\"line\" alternating-row-colors=\"false\">" -" <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->choices->len; -} - -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); - ECompletionMatch *match; - - match = g_ptr_array_index (cv->choices, r); - - return (gpointer) e_completion_match_get_menu_text (match); -} - -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) -{ - 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); - - GTK_WIDGET_SET_FLAGS (GTK_WIDGET (cv), GTK_CAN_FOCUS); - - 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->clear_signal_id = gtk_signal_connect (GTK_OBJECT (completion), - "clear_completion", - GTK_SIGNAL_FUNC (clear_completion_cb), - cv); - cv->lost_signal_id = gtk_signal_connect (GTK_OBJECT (completion), - "lost_completion", - GTK_SIGNAL_FUNC (lost_completion_cb), - cv); - - cv->model = e_table_simple_new (table_col_count, - table_row_count, - NULL, - - table_value_at, - NULL, - table_is_cell_editable, - - NULL, NULL, - - NULL, NULL, NULL, NULL, - table_value_to_string, - cv); - - cv->table = e_table_scrolled_new (cv->model, NULL, simple_spec, NULL); - gtk_object_unref (GTK_OBJECT (cv->model)); - - e_scroll_frame_set_shadow_type (E_SCROLL_FRAME (cv->table), GTK_SHADOW_NONE); - e_scroll_frame_set_scrollbar_spacing (E_SCROLL_FRAME (cv->table), 0); - e_scroll_frame_set_policy (E_SCROLL_FRAME (cv->table), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); - - gtk_container_add (GTK_CONTAINER (cv), cv->table); - gtk_widget_show_all (cv->table); - - 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, final_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->choices->len); - - 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. */ - final_height = (gint) floor (line_height * (0.5 + (float)lines) * 0.97); - gtk_widget_set_usize (w, width, final_height); -} - -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); -} - - |