--- /dev/null
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include <string.h>
+
+#include <pango/pango.h>
+
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtk.h>
+#include "gtkitementry.h"
+
+#define MIN_ENTRY_WIDTH 150
+#define DRAW_TIMEOUT 20
+#define INNER_BORDER 0
+
+/* Initial size of buffer, in bytes */
+#define MIN_SIZE 16
+
+/* Maximum size of text buffer, in bytes */
+#define MAX_SIZE G_MAXUSHORT
+
+typedef enum {
+ CURSOR_STANDARD,
+ CURSOR_DND
+} CursorType;
+
+/* GObject, GtkObject methods
+ */
+static void gtk_item_entry_class_init (GtkItemEntryClass *klass);
+static void gtk_item_entry_init (GtkItemEntry *entry);
+static void gtk_item_entry_editable_init (GtkEditableClass *iface);
+
+/* GtkWidget methods
+ */
+static void gtk_entry_realize (GtkWidget *widget);
+static void gtk_entry_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_entry_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_entry_draw_frame (GtkWidget *widget);
+static gint gtk_entry_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void gtk_entry_grab_focus (GtkWidget *widget);
+static void gtk_entry_style_set (GtkWidget *widget,
+ GtkStyle *previous_style);
+static void gtk_entry_direction_changed (GtkWidget *widget,
+ GtkTextDirection previous_dir);
+static void gtk_entry_state_changed (GtkWidget *widget,
+ GtkStateType previous_state);
+
+/* GtkEditable method implementations
+ */
+static void gtk_entry_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position);
+static void gtk_entry_delete_text (GtkEditable *editable,
+ gint start_pos,
+ gint end_pos);
+
+static void gtk_entry_real_set_position (GtkEditable *editable,
+ gint position);
+static gint gtk_entry_get_position (GtkEditable *editable);
+
+/* Default signal handlers
+ */
+static void gtk_entry_real_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position);
+static void gtk_entry_real_delete_text (GtkEditable *editable,
+ gint start_pos,
+ gint end_pos);
+static void gtk_entry_move_cursor (GtkEntry *entry,
+ GtkMovementStep step,
+ gint count,
+ gboolean extend_selection);
+static void gtk_entry_insert_at_cursor (GtkEntry *entry,
+ const gchar *str);
+static void gtk_entry_delete_from_cursor (GtkEntry *entry,
+ GtkDeleteType type,
+ gint count);
+
+/* IM Context Callbacks
+ */
+static void gtk_entry_commit_cb (GtkIMContext *context,
+ const gchar *str,
+ GtkEntry *entry);
+static void gtk_entry_preedit_changed_cb (GtkIMContext *context,
+ GtkEntry *entry);
+static gboolean gtk_entry_retrieve_surrounding_cb (GtkIMContext *context,
+ GtkEntry *entry);
+static gboolean gtk_entry_delete_surrounding_cb (GtkIMContext *context,
+ gint offset,
+ gint n_chars,
+ GtkEntry *entry);
+
+/* Internal routines
+ */
+static void gtk_entry_enter_text (GtkEntry *entry,
+ const gchar *str);
+static void gtk_entry_set_positions (GtkEntry *entry,
+ gint current_pos,
+ gint selection_bound);
+static void gtk_entry_draw_text (GtkEntry *entry);
+static void gtk_entry_draw_cursor (GtkEntry *entry,
+ CursorType type);
+static PangoLayout *gtk_entry_ensure_layout (GtkEntry *entry,
+ gboolean include_preedit);
+static void gtk_entry_queue_draw (GtkEntry *entry);
+static void gtk_entry_reset_im_context (GtkEntry *entry);
+static void gtk_entry_recompute (GtkEntry *entry);
+static void gtk_entry_get_cursor_locations (GtkEntry *entry,
+ CursorType type,
+ gint *strong_x,
+ gint *weak_x);
+static void gtk_entry_adjust_scroll (GtkEntry *entry);
+static gint gtk_entry_move_visually (GtkEntry *editable,
+ gint start,
+ gint count);
+static gint gtk_entry_move_logically (GtkEntry *entry,
+ gint start,
+ gint count);
+static gint gtk_entry_move_forward_word (GtkEntry *entry,
+ gint start);
+static gint gtk_entry_move_backward_word (GtkEntry *entry,
+ gint start);
+static void gtk_entry_delete_whitespace (GtkEntry *entry);
+static char * gtk_entry_get_public_chars (GtkEntry *entry,
+ gint start,
+ gint end);
+static void gtk_entry_update_primary_selection (GtkEntry *entry);
+static void gtk_entry_state_changed (GtkWidget *widget,
+ GtkStateType previous_state);
+static void gtk_entry_check_cursor_blink (GtkEntry *entry);
+static void gtk_entry_pend_cursor_blink (GtkEntry *entry);
+static void get_text_area_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height);
+static void get_widget_window_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height);
+
+static GtkEntryClass *parent_class = NULL;
+
+GtkType
+gtk_item_entry_get_type (void)
+{
+ static GtkType item_entry_type = 0;
+
+ if (!item_entry_type)
+ {
+ static const GtkTypeInfo item_entry_info =
+ {
+ "GtkItemEntry",
+ sizeof (GtkItemEntry),
+ sizeof (GtkItemEntryClass),
+ (GtkClassInitFunc) gtk_item_entry_class_init,
+ (GtkObjectInitFunc) gtk_item_entry_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ static const GInterfaceInfo item_editable_info =
+ {
+ (GInterfaceInitFunc) gtk_item_entry_editable_init, /* interface_init */
+ NULL, /* interface_finalize */
+ NULL /* interface_data */
+ };
+
+
+ item_entry_type = gtk_type_unique (GTK_TYPE_ENTRY, &item_entry_info);
+
+ g_type_add_interface_static (item_entry_type,
+ GTK_TYPE_EDITABLE,
+ &item_editable_info);
+
+ }
+
+ return item_entry_type;
+}
+
+static void
+gtk_item_entry_class_init (GtkItemEntryClass *class)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkEntryClass *entry_class;
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ parent_class = gtk_type_class (GTK_TYPE_ENTRY);
+ entry_class = (GtkEntryClass *) class;
+
+ widget_class->realize = gtk_entry_realize;
+ widget_class->size_request = gtk_entry_size_request;
+ widget_class->size_allocate = gtk_entry_size_allocate;
+ widget_class->expose_event = gtk_entry_expose;
+ widget_class->grab_focus = gtk_entry_grab_focus;
+ widget_class->style_set = gtk_entry_style_set;
+ widget_class->direction_changed = gtk_entry_direction_changed;
+ widget_class->state_changed = gtk_entry_state_changed;
+
+ entry_class->move_cursor = gtk_entry_move_cursor;
+ entry_class->insert_at_cursor = gtk_entry_insert_at_cursor;
+ entry_class->delete_from_cursor = gtk_entry_delete_from_cursor;
+
+}
+
+static void
+gtk_item_entry_editable_init (GtkEditableClass *iface)
+{
+ iface->do_insert_text = gtk_entry_insert_text;
+ iface->do_delete_text = gtk_entry_delete_text;
+ iface->insert_text = gtk_entry_real_insert_text;
+ iface->delete_text = gtk_entry_real_delete_text;
+ iface->set_position = gtk_entry_real_set_position;
+ iface->get_position = gtk_entry_get_position;
+}
+
+static void
+gtk_item_entry_init (GtkItemEntry *entry)
+{
+ entry->justification = GTK_JUSTIFY_LEFT;
+ entry->text_max_size = 0;
+ GTK_ENTRY(entry)->has_frame = FALSE;
+
+ g_object_unref(G_OBJECT(GTK_ENTRY(entry)->im_context));
+
+ GTK_ENTRY(entry)->im_context = gtk_im_multicontext_new ();
+
+ g_signal_connect (G_OBJECT (GTK_ENTRY(entry)->im_context), "commit",
+ G_CALLBACK (gtk_entry_commit_cb), entry);
+ g_signal_connect (G_OBJECT (GTK_ENTRY(entry)->im_context), "preedit_changed",
+ G_CALLBACK (gtk_entry_preedit_changed_cb), entry);
+ g_signal_connect (G_OBJECT (GTK_ENTRY(entry)->im_context), "retrieve_surrounding",
+ G_CALLBACK (gtk_entry_retrieve_surrounding_cb), entry);
+ g_signal_connect (G_OBJECT (GTK_ENTRY(entry)->im_context), "delete_surrounding",
+ G_CALLBACK (gtk_entry_delete_surrounding_cb), entry);
+
+}
+
+static void
+gtk_entry_realize (GtkWidget *widget)
+{
+ GtkEntry *entry;
+ GtkEditable *editable;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+ entry = GTK_ENTRY (widget);
+ editable = GTK_EDITABLE (widget);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+
+ get_widget_window_size (entry, &attributes.x, &attributes.y, &attributes.width, &attributes.height);
+
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= (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 | GDK_WA_COLORMAP;
+
+ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
+ gdk_window_set_user_data (widget->window, entry);
+
+ get_text_area_size (entry, &attributes.x, &attributes.y, &attributes.width, &attributes.height);
+
+ attributes.cursor = gdk_cursor_new (GDK_XTERM);
+ attributes_mask |= GDK_WA_CURSOR;
+
+ entry->text_area = gdk_window_new (widget->window, &attributes, attributes_mask);
+ gdk_window_set_user_data (entry->text_area, entry);
+
+ gdk_cursor_unref (attributes.cursor);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+
+ gdk_window_set_background (widget->window, &widget->style->bg[GTK_WIDGET_STATE(widget)]);
+ gdk_window_set_background (entry->text_area, &widget->style->bg[GTK_WIDGET_STATE (widget)]);
+
+ gdk_window_show (entry->text_area);
+
+ gtk_im_context_set_client_window (entry->im_context, entry->text_area);
+
+ gtk_entry_adjust_scroll (entry);
+}
+
+static void
+get_borders (GtkEntry *entry,
+ gint *xborder,
+ gint *yborder)
+{
+ GtkWidget *widget = GTK_WIDGET (entry);
+ gint focus_width;
+ gboolean interior_focus;
+
+ gtk_widget_style_get (widget,
+ "interior-focus", &interior_focus,
+ "focus-line-width", &focus_width,
+ NULL);
+
+ if (entry->has_frame)
+ {
+ *xborder = widget->style->xthickness;
+ *yborder = widget->style->ythickness;
+ }
+ else
+ {
+ *xborder = 0;
+ *yborder = 0;
+ }
+
+ if (!interior_focus)
+ {
+ *xborder += focus_width;
+ *yborder += focus_width;
+ }
+
+}
+
+static void
+gtk_entry_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+ PangoFontMetrics *metrics;
+ gint xborder, yborder;
+ PangoContext *context;
+
+ context = gtk_widget_get_pango_context (widget);
+ metrics = pango_context_get_metrics (context,
+ widget->style->font_desc,
+ pango_context_get_language (context));
+
+ entry->ascent = pango_font_metrics_get_ascent (metrics);
+ entry->descent = pango_font_metrics_get_descent (metrics);
+
+ get_borders (entry, &xborder, &yborder);
+
+ xborder += INNER_BORDER;
+ yborder += INNER_BORDER;
+
+ if (entry->width_chars < 0)
+ requisition->width = MIN_ENTRY_WIDTH + xborder * 2;
+ else
+ {
+ gint char_width = pango_font_metrics_get_approximate_char_width (metrics);
+ requisition->width = PANGO_PIXELS (char_width) * entry->width_chars + xborder * 2;
+ }
+
+ requisition->height = PANGO_PIXELS (entry->ascent + entry->descent) + yborder * 2;
+
+ pango_font_metrics_unref (metrics);
+}
+
+static void
+get_text_area_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height)
+{
+ gint xborder, yborder;
+ GtkRequisition requisition;
+ GtkWidget *widget = GTK_WIDGET (entry);
+
+ gtk_widget_get_child_requisition (widget, &requisition);
+
+ get_borders (entry, &xborder, &yborder);
+
+ if (x)
+ *x = xborder;
+
+ if (y)
+ *y = yborder;
+
+ if (width)
+ *width = GTK_WIDGET (entry)->allocation.width - xborder * 2;
+
+ if (height)
+ *height = requisition.height - yborder * 2;
+}
+
+static void
+get_widget_window_size (GtkEntry *entry,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height)
+{
+ GtkRequisition requisition;
+ GtkWidget *widget = GTK_WIDGET (entry);
+
+ gtk_widget_get_child_requisition (widget, &requisition);
+
+ if (x)
+ *x = widget->allocation.x;
+
+ if (y)
+ {
+ if (entry->is_cell_renderer)
+ *y = widget->allocation.y;
+ else
+ *y = widget->allocation.y + (widget->allocation.height - requisition.height) / 2;
+ }
+
+ if (width)
+ *width = widget->allocation.width;
+
+ if (height)
+ {
+ if (entry->is_cell_renderer)
+ *height = widget->allocation.height;
+ else
+ *height = requisition.height;
+ }
+}
+
+static void
+gtk_entry_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+ GtkItemEntry *ientry = GTK_ITEM_ENTRY (widget);
+
+ if(ientry->text_max_size > 0)
+ allocation->width = MIN(ientry->text_max_size, allocation->width);
+
+ widget->allocation = *allocation;
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ /* We call gtk_widget_get_child_requisition, since we want (for
+ * backwards compatibility reasons) the realization here to
+ * be affected by the usize of the entry, if set
+ */
+ gint x, y, width, height;
+
+ get_widget_window_size (entry, &x, &y, &width, &height);
+
+ gdk_window_move_resize (widget->window,
+ allocation->x, allocation->y, allocation->width, allocation->height);
+
+ get_text_area_size (entry, &x, &y, &width, &height);
+
+ gdk_window_move_resize (entry->text_area,
+ 0, allocation->height - height, allocation->width, height);
+
+ gtk_entry_recompute (entry);
+ }
+}
+
+static void
+gtk_entry_draw_frame (GtkWidget *widget)
+{
+}
+
+static gint
+gtk_entry_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+
+ if (widget->window == event->window)
+ gtk_entry_draw_frame (widget);
+ else if (entry->text_area == event->window)
+ {
+ gint area_width, area_height;
+
+ get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
+
+ gdk_draw_rectangle (entry->text_area,
+ widget->style->bg_gc[GTK_WIDGET_STATE(widget)],
+ TRUE,
+ 0, 0, area_width, area_height);
+
+ if ((entry->visible || entry->invisible_char != 0) &&
+ GTK_WIDGET_HAS_FOCUS (widget) &&
+ entry->selection_bound == entry->current_pos && entry->cursor_visible)
+ gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_STANDARD);
+
+ if (entry->dnd_position != -1)
+ gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_DND);
+
+ gtk_entry_draw_text (GTK_ENTRY (widget));
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_entry_grab_focus (GtkWidget *widget)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+ gboolean select_on_focus;
+
+ GTK_WIDGET_CLASS (parent_class)->grab_focus (widget);
+
+ g_object_get (G_OBJECT (gtk_settings_get_default ()),
+ "gtk-entry-select-on-focus",
+ &select_on_focus,
+ NULL);
+
+ if (select_on_focus && entry->editable && !entry->in_click)
+ gtk_editable_select_region (GTK_EDITABLE (widget), 0, -1);
+}
+
+static void
+gtk_entry_direction_changed (GtkWidget *widget,
+ GtkTextDirection previous_dir)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+
+ gtk_entry_recompute (entry);
+
+ GTK_WIDGET_CLASS (parent_class)->direction_changed (widget, previous_dir);
+}
+
+static void
+gtk_entry_state_changed (GtkWidget *widget,
+ GtkStateType previous_state)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ gdk_window_set_background (widget->window, &widget->style->bg[GTK_WIDGET_STATE (widget)]);
+ gdk_window_set_background (entry->text_area, &widget->style->bg[GTK_WIDGET_STATE (widget)]);
+ }
+
+ if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ {
+ /* Clear any selection */
+ gtk_editable_select_region (GTK_EDITABLE (entry), entry->current_pos, entry->current_pos);
+ }
+
+ gtk_widget_queue_clear (widget);
+}
+
+/* GtkEditable method implementations
+ */
+static void
+gtk_entry_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position)
+{
+ GtkEntry *entry = GTK_ENTRY (editable);
+ gchar buf[64];
+ gchar *text;
+
+ if (*position < 0 || *position > entry->text_length)
+ *position = entry->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
+gtk_entry_delete_text (GtkEditable *editable,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkEntry *entry = GTK_ENTRY (editable);
+
+ if (end_pos < 0 || end_pos > entry->text_length)
+ end_pos = entry->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
+gtk_entry_style_set (GtkWidget *widget,
+ GtkStyle *previous_style)
+{
+ GtkEntry *entry = GTK_ENTRY (widget);
+
+ if (previous_style && GTK_WIDGET_REALIZED (widget))
+ {
+ gtk_entry_recompute (entry);
+
+ gdk_window_set_background (widget->window, &widget->style->bg[GTK_WIDGET_STATE(widget)]);
+ gdk_window_set_background (entry->text_area, &widget->style->bg[GTK_WIDGET_STATE (widget)]);
+ }
+}
+
+static void
+gtk_entry_real_set_position (GtkEditable *editable,
+ gint position)
+{
+ GtkEntry *entry = GTK_ENTRY (editable);
+
+ if (position < 0 || position > entry->text_length)
+ position = entry->text_length;
+
+ if (position != entry->current_pos ||
+ position != entry->selection_bound)
+ {
+ gtk_entry_reset_im_context (entry);
+ gtk_entry_set_positions (entry, position, position);
+ }
+}
+
+static gint
+gtk_entry_get_position (GtkEditable *editable)
+{
+ return GTK_ENTRY (editable)->current_pos;
+}
+
+
+/* Default signal handlers
+ */
+static void
+gtk_entry_real_insert_text (GtkEditable *editable,
+ const gchar *new_text,
+ gint new_text_length,
+ gint *position)
+{
+ gint index;
+ gint n_chars;
+
+ GtkEntry *entry = GTK_ENTRY (editable);
+
+ if (new_text_length < 0)
+ new_text_length = strlen (new_text);
+
+ n_chars = g_utf8_strlen (new_text, new_text_length);
+ if (entry->text_max_length > 0 && n_chars + entry->text_length > entry->text_max_length)
+ {
+ gdk_beep ();
+ n_chars = entry->text_max_length - entry->text_length;
+ new_text_length = g_utf8_offset_to_pointer (new_text, n_chars) - new_text;
+ }
+
+ if (new_text_length + entry->n_bytes + 1 > entry->text_size)
+ {
+ while (new_text_length + entry->n_bytes + 1 > entry->text_size)
+ {
+ if (entry->text_size == 0)
+ entry->text_size = MIN_SIZE;
+ else
+ {
+ if (2 * (guint)entry->text_size < MAX_SIZE &&
+ 2 * (guint)entry->text_size > entry->text_size)
+ entry->text_size *= 2;
+ else
+ {
+ entry->text_size = MAX_SIZE;
+ if (new_text_length > (gint)entry->text_size - (gint)entry->n_bytes - 1)
+ {
+ new_text_length = (gint)entry->text_size - (gint)entry->n_bytes - 1;
+ new_text_length = g_utf8_find_prev_char (new_text, new_text + new_text_length + 1) - new_text;
+ n_chars = g_utf8_strlen (new_text, new_text_length);
+ }
+ break;
+ }
+ }
+ }
+
+ entry->text = g_realloc (entry->text, entry->text_size);
+ }
+
+ index = g_utf8_offset_to_pointer (entry->text, *position) - entry->text;
+
+ g_memmove (entry->text + index + new_text_length, entry->text + index, entry->n_bytes - index);
+ memcpy (entry->text + index, new_text, new_text_length);
+
+ entry->n_bytes += new_text_length;
+ entry->text_length += n_chars;
+
+ /* NUL terminate for safety and convenience */
+ entry->text[entry->n_bytes] = '\0';
+
+ if (entry->current_pos > *position)
+ entry->current_pos += n_chars;
+
+ if (entry->selection_bound > *position)
+ entry->selection_bound += n_chars;
+
+ *position += n_chars;
+
+ gtk_entry_recompute (entry);
+
+ g_signal_emit_by_name (editable, "changed");
+ g_object_notify (G_OBJECT (editable), "text");
+}
+
+static void
+gtk_entry_real_delete_text (GtkEditable *editable,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkEntry *entry = GTK_ENTRY (editable);
+
+ if (start_pos < 0)
+ start_pos = 0;
+ if (end_pos < 0 || end_pos > entry->text_length)
+ end_pos = entry->text_length;
+
+ if (start_pos < end_pos)
+ {
+ gint start_index = g_utf8_offset_to_pointer (entry->text, start_pos) - entry->text;
+ gint end_index = g_utf8_offset_to_pointer (entry->text, end_pos) - entry->text;
+
+ g_memmove (entry->text + start_index, entry->text + end_index, entry->n_bytes + 1 - end_index);
+ entry->text_length -= (end_pos - start_pos);
+ entry->n_bytes -= (end_index - start_index);
+
+ if (entry->current_pos > start_pos)
+ entry->current_pos -= MIN (entry->current_pos, end_pos) - start_pos;
+
+ if (entry->selection_bound > start_pos)
+ entry->selection_bound -= MIN (entry->selection_bound, end_pos) - start_pos;
+ /* We might have deleted the selection
+ */
+ gtk_entry_update_primary_selection (entry);
+
+ gtk_entry_recompute (entry);
+
+ g_signal_emit_by_name (editable, "changed");
+ g_object_notify (G_OBJECT (editable), "text");
+ }
+}
+
+/* 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 gint
+get_better_cursor_x (GtkEntry *entry,
+ gint offset)
+{
+ 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 (entry));
+ gboolean split_cursor;
+
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
+ gint index = g_utf8_offset_to_pointer (entry->text, offset) - entry->text;
+
+ PangoRectangle strong_pos, weak_pos;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (entry)),
+ "gtk-split-cursor", &split_cursor,
+ NULL);
+
+ pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
+
+ if (split_cursor)
+ return strong_pos.x / PANGO_SCALE;
+ else
+ return (keymap_direction == widget_direction) ? strong_pos.x / PANGO_SCALE : weak_pos.x / PANGO_SCALE;
+}
+
+static void
+gtk_entry_move_cursor (GtkEntry *entry,
+ GtkMovementStep step,
+ gint count,
+ gboolean extend_selection)
+{
+ gint new_pos = entry->current_pos;
+
+ gtk_entry_reset_im_context (entry);
+
+ if (entry->current_pos != entry->selection_bound && !extend_selection)
+ {
+ /* If we have a current selection and aren't extending it, move to the
+ * start/or end of the selection as appropriate
+ */
+ switch (step)
+ {
+ case GTK_MOVEMENT_VISUAL_POSITIONS:
+ {
+ gint current_x = get_better_cursor_x (entry, entry->current_pos);
+ gint bound_x = get_better_cursor_x (entry, entry->selection_bound);
+
+ if (count < 0)
+ new_pos = current_x < bound_x ? entry->current_pos : entry->selection_bound;
+ else
+ new_pos = current_x > bound_x ? entry->current_pos : entry->selection_bound;
+
+ break;
+ }
+ case GTK_MOVEMENT_LOGICAL_POSITIONS:
+ case GTK_MOVEMENT_WORDS:
+ if (count < 0)
+ new_pos = MIN (entry->current_pos, entry->selection_bound);
+ else
+ new_pos = MAX (entry->current_pos, entry->selection_bound);
+ break;
+ case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
+ case GTK_MOVEMENT_PARAGRAPH_ENDS:
+ case GTK_MOVEMENT_BUFFER_ENDS:
+ new_pos = count < 0 ? 0 : entry->text_length;
+ break;
+ case GTK_MOVEMENT_DISPLAY_LINES:
+ case GTK_MOVEMENT_PARAGRAPHS:
+ case GTK_MOVEMENT_PAGES:
+ break;
+ default:
+ break;
+ }
+ }
+ else
+ {
+ switch (step)
+ {
+ case GTK_MOVEMENT_LOGICAL_POSITIONS:
+ new_pos = gtk_entry_move_logically (entry, new_pos, count);
+ break;
+ case GTK_MOVEMENT_VISUAL_POSITIONS:
+ new_pos = gtk_entry_move_visually (entry, new_pos, count);
+ break;
+ case GTK_MOVEMENT_WORDS:
+ while (count > 0)
+ {
+ new_pos = gtk_entry_move_forward_word (entry, new_pos);
+ count--;
+ }
+ while (count < 0)
+ {
+ new_pos = gtk_entry_move_backward_word (entry, new_pos);
+ count++;
+ }
+ break;
+ case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
+ case GTK_MOVEMENT_PARAGRAPH_ENDS:
+ case GTK_MOVEMENT_BUFFER_ENDS:
+ new_pos = count < 0 ? 0 : entry->text_length;
+ break;
+ case GTK_MOVEMENT_DISPLAY_LINES:
+ case GTK_MOVEMENT_PARAGRAPHS:
+ case GTK_MOVEMENT_PAGES:
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (extend_selection)
+ gtk_editable_select_region (GTK_EDITABLE (entry), entry->selection_bound, new_pos);
+ else
+ gtk_editable_set_position (GTK_EDITABLE (entry), new_pos);
+
+ gtk_entry_pend_cursor_blink (entry);
+}
+
+static void
+gtk_entry_insert_at_cursor (GtkEntry *entry,
+ const gchar *str)
+{
+ GtkEditable *editable = GTK_EDITABLE (entry);
+ gint pos = entry->current_pos;
+
+ if (entry->editable)
+ {
+ gtk_entry_reset_im_context (entry);
+
+ gtk_editable_insert_text (editable, str, -1, &pos);
+ gtk_editable_set_position (editable, pos);
+ }
+}
+
+static void
+gtk_entry_delete_from_cursor (GtkEntry *entry,
+ GtkDeleteType type,
+ gint count)
+{
+ GtkEditable *editable = GTK_EDITABLE (entry);
+ gint start_pos = entry->current_pos;
+ gint end_pos = entry->current_pos;
+
+ gtk_entry_reset_im_context (entry);
+
+ if (!entry->editable)
+ return;
+
+ if (entry->selection_bound != entry->current_pos)
+ {
+ gtk_editable_delete_selection (editable);
+ return;
+ }
+
+ switch (type)
+ {
+ case GTK_DELETE_CHARS:
+ end_pos = gtk_entry_move_logically (entry, entry->current_pos, count);
+ gtk_editable_delete_text (editable, 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 = gtk_entry_move_backward_word (entry, end_pos);
+ end_pos = gtk_entry_move_forward_word (entry, end_pos);
+ }
+ else if (count > 0)
+ {
+ /* Move to beginning of current word, or if not on a word, begining of next word */
+ start_pos = gtk_entry_move_forward_word (entry, start_pos);
+ start_pos = gtk_entry_move_backward_word (entry, start_pos);
+ }
+
+ /* Fall through */
+ case GTK_DELETE_WORD_ENDS:
+ while (count < 0)
+ {
+ start_pos = gtk_entry_move_backward_word (entry, start_pos);
+ count++;
+ }
+ while (count > 0)
+ {
+ end_pos = gtk_entry_move_forward_word (entry, end_pos);
+ count--;
+ }
+ gtk_editable_delete_text (editable, start_pos, end_pos);
+ break;
+ case GTK_DELETE_DISPLAY_LINE_ENDS:
+ case GTK_DELETE_PARAGRAPH_ENDS:
+ if (count < 0)
+ gtk_editable_delete_text (editable, 0, entry->current_pos);
+ else
+ gtk_editable_delete_text (editable, entry->current_pos, -1);
+ break;
+ case GTK_DELETE_DISPLAY_LINES:
+ case GTK_DELETE_PARAGRAPHS:
+ gtk_editable_delete_text (editable, 0, -1);
+ break;
+ case GTK_DELETE_WHITESPACE:
+ gtk_entry_delete_whitespace (entry);
+ break;
+ }
+
+ gtk_entry_pend_cursor_blink (entry);
+}
+
+/* IM Context Callbacks
+ */
+
+static void
+gtk_entry_commit_cb (GtkIMContext *context,
+ const gchar *str,
+ GtkEntry *entry)
+{
+ gtk_entry_enter_text (entry, str);
+}
+
+static void
+gtk_entry_preedit_changed_cb (GtkIMContext *context,
+ GtkEntry *entry)
+{
+ gchar *preedit_string;
+ gint cursor_pos;
+
+ gtk_im_context_get_preedit_string (entry->im_context,
+ &preedit_string, NULL,
+ &cursor_pos);
+ entry->preedit_length = strlen (preedit_string);
+ cursor_pos = CLAMP (cursor_pos, 0, g_utf8_strlen (preedit_string, -1));
+ entry->preedit_cursor = cursor_pos;
+ g_free (preedit_string);
+
+ gtk_entry_recompute (entry);
+}
+
+static gboolean
+gtk_entry_retrieve_surrounding_cb (GtkIMContext *context,
+ GtkEntry *entry)
+{
+ gtk_im_context_set_surrounding (context,
+ entry->text,
+ entry->n_bytes,
+ g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text);
+
+ return TRUE;
+}
+
+static gboolean
+gtk_entry_delete_surrounding_cb (GtkIMContext *slave,
+ gint offset,
+ gint n_chars,
+ GtkEntry *entry)
+{
+ gtk_editable_delete_text (GTK_EDITABLE (entry),
+ entry->current_pos + offset,
+ entry->current_pos + offset + n_chars);
+
+ return TRUE;
+}
+
+
+/* Internal functions
+ */
+
+/* Used for im_commit_cb and inserting Unicode chars */
+static void
+gtk_entry_enter_text (GtkEntry *entry,
+ const gchar *str)
+{
+ GtkEditable *editable = GTK_EDITABLE (entry);
+ gint tmp_pos;
+
+ if (gtk_editable_get_selection_bounds (editable, NULL, NULL))
+ gtk_editable_delete_selection (editable);
+ else
+ {
+ if (entry->overwrite_mode)
+ gtk_entry_delete_from_cursor (entry, GTK_DELETE_CHARS, 1);
+ }
+
+ tmp_pos = entry->current_pos;
+ gtk_editable_insert_text (editable, str, strlen (str), &tmp_pos);
+ gtk_editable_set_position (editable, tmp_pos);
+}
+
+/* All changes to entry->current_pos and entry->selection_bound
+ * should go through this function.
+ */
+static void
+gtk_entry_set_positions (GtkEntry *entry,
+ gint current_pos,
+ gint selection_bound)
+{
+ gboolean changed = FALSE;
+
+ g_object_freeze_notify (G_OBJECT (entry));
+
+ if (current_pos != -1 &&
+ entry->current_pos != current_pos)
+ {
+ entry->current_pos = current_pos;
+ changed = TRUE;
+
+ g_object_notify (G_OBJECT (entry), "cursor_position");
+ }
+
+ if (selection_bound != -1 &&
+ entry->selection_bound != selection_bound)
+ {
+ entry->selection_bound = selection_bound;
+ changed = TRUE;
+
+ g_object_notify (G_OBJECT (entry), "selection_bound");
+ }
+
+ g_object_thaw_notify (G_OBJECT (entry));
+
+ if (changed)
+ gtk_entry_recompute (entry);
+}
+
+static void
+gtk_entry_reset_layout (GtkEntry *entry)
+{
+ if (entry->cached_layout)
+ {
+ g_object_unref (G_OBJECT (entry->cached_layout));
+ entry->cached_layout = NULL;
+ }
+}
+
+static void
+update_im_cursor_location (GtkEntry *entry)
+{
+ GdkRectangle area;
+ gint strong_x;
+ gint strong_xoffset;
+ gint x, y, area_width, area_height;
+
+ gtk_entry_get_cursor_locations (entry, CURSOR_STANDARD, &strong_x, NULL)
+;
+ get_text_area_size (entry, &x, &y, &area_width, &area_height);
+
+ strong_xoffset = strong_x - entry->scroll_offset;
+ if (strong_xoffset < 0)
+ {
+ strong_xoffset = 0;
+ }
+ else if (strong_xoffset > area_width)
+ {
+ strong_xoffset = area_width;
+ }
+ area.x = x + strong_xoffset;
+ area.y = y + area_height;
+ area.width = area_width;
+ area.height = area_height;
+
+ gtk_im_context_set_cursor_location (entry->im_context, &area);
+}
+
+static gboolean
+recompute_idle_func (gpointer data)
+{
+ GtkEntry *entry;
+
+ GDK_THREADS_ENTER ();
+
+ entry = GTK_ENTRY (data);
+
+ gtk_entry_adjust_scroll (entry);
+ gtk_entry_queue_draw (entry);
+
+ entry->recompute_idle = FALSE;
+
+ update_im_cursor_location (entry);
+
+ GDK_THREADS_LEAVE ();
+
+ return FALSE;
+}
+
+static void
+gtk_entry_recompute (GtkEntry *entry)
+{
+ gtk_entry_reset_layout (entry);
+ gtk_entry_check_cursor_blink (entry);
+
+
+ if (!entry->recompute_idle)
+ {
+ entry->recompute_idle = g_idle_add_full (G_PRIORITY_HIGH_IDLE + 15, /* between resize and redraw */
+ recompute_idle_func, entry, NULL);
+ }
+}
+
+static void
+append_char (GString *str,
+ gunichar ch,
+ gint count)
+{
+ gint i;
+ gint char_len;
+ gchar buf[7];
+
+ char_len = g_unichar_to_utf8 (ch, buf);
+
+ i = 0;
+ while (i < count)
+ {
+ g_string_append_len (str, buf, char_len);
+ ++i;
+ }
+}
+
+static PangoLayout *
+gtk_entry_create_layout (GtkEntry *entry,
+ gboolean include_preedit)
+{
+ PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (entry), NULL);
+ PangoAttrList *tmp_attrs = pango_attr_list_new ();
+
+ gchar *preedit_string = NULL;
+ gint preedit_length = 0;
+ PangoAttrList *preedit_attrs = NULL;
+
+ pango_layout_set_single_paragraph_mode (layout, TRUE);
+
+ if (include_preedit)
+ {
+ gtk_im_context_get_preedit_string (entry->im_context,
+ &preedit_string, &preedit_attrs, NULL);
+ preedit_length = entry->preedit_length;
+ }
+
+ if (preedit_length)
+ {
+ GString *tmp_string = g_string_new (NULL);
+
+ gint cursor_index = g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text;
+
+ if (entry->visible)
+ {
+ g_string_prepend_len (tmp_string, entry->text, entry->n_bytes);
+ g_string_insert (tmp_string, cursor_index, preedit_string);
+ }
+ else
+ {
+ gint ch_len;
+ gint preedit_len_chars;
+ gunichar invisible_char;
+
+ ch_len = g_utf8_strlen (entry->text, entry->n_bytes);
+ preedit_len_chars = g_utf8_strlen (preedit_string, -1);
+ ch_len += preedit_len_chars;
+
+ if (entry->invisible_char != 0)
+ invisible_char = entry->invisible_char;
+ else
+ invisible_char = ' '; /* just pick a char */
+
+ append_char (tmp_string, invisible_char, ch_len);
+
+ /* Fix cursor index to point to invisible char corresponding
+ * to the preedit, fix preedit_length to be the length of
+ * the invisible chars representing the preedit
+ */
+ cursor_index =
+ g_utf8_offset_to_pointer (tmp_string->str, entry->current_pos) -
+ tmp_string->str;
+ preedit_length =
+ preedit_len_chars *
+ g_unichar_to_utf8 (invisible_char, NULL);
+ }
+
+ pango_layout_set_text (layout, tmp_string->str, tmp_string->len);
+
+ pango_attr_list_splice (tmp_attrs, preedit_attrs,
+ cursor_index, preedit_length);
+
+ g_string_free (tmp_string, TRUE);
+ }
+ else
+ {
+ if (entry->visible)
+ {
+ pango_layout_set_text (layout, entry->text, entry->n_bytes);
+ }
+ else
+ {
+ GString *str = g_string_new (NULL);
+ gunichar invisible_char;
+
+ if (entry->invisible_char != 0)
+ invisible_char = entry->invisible_char;
+ else
+ invisible_char = ' '; /* just pick a char */
+
+ append_char (str, invisible_char, entry->text_length);
+ pango_layout_set_text (layout, str->str, str->len);
+ g_string_free (str, TRUE);
+ }
+ }
+
+ pango_layout_set_attributes (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);
+
+ return layout;
+}
+
+static PangoLayout *
+gtk_entry_ensure_layout (GtkEntry *entry,
+ gboolean include_preedit)
+{
+ if (entry->preedit_length > 0 &&
+ !include_preedit != !entry->cache_includes_preedit)
+ gtk_entry_reset_layout (entry);
+
+ if (!entry->cached_layout)
+ {
+ entry->cached_layout = gtk_entry_create_layout (entry, include_preedit);
+ entry->cache_includes_preedit = include_preedit;
+ }
+
+ return entry->cached_layout;
+}
+
+static void
+get_layout_position (GtkEntry *entry,
+ gint *x,
+ gint *y)
+{
+ PangoLayout *layout;
+ PangoRectangle logical_rect;
+ gint area_width, area_height;
+ gint y_pos;
+ PangoLayoutLine *line;
+
+ layout = gtk_entry_ensure_layout (entry, TRUE);
+
+ get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
+
+ area_height = PANGO_SCALE * (area_height);
+
+ line = pango_layout_get_lines (layout)->data;
+ pango_layout_line_get_extents (line, NULL, &logical_rect);
+
+ /* Align primarily for locale's ascent/descent */
+
+ y_pos = ((area_height - entry->ascent - entry->descent) / 2 +
+ entry->ascent + logical_rect.y);
+
+
+ /* Now see if we need to adjust to fit in actual drawn string */
+
+ if (logical_rect.height > area_height)
+ y_pos = (area_height - logical_rect.height) / 2;
+ else if (y_pos < 0)
+ y_pos = 0;
+ else if (y_pos + logical_rect.height > area_height)
+ y_pos = area_height - logical_rect.height;
+
+ y_pos = y_pos / PANGO_SCALE;
+
+ if (x)
+ *x = - entry->scroll_offset;
+
+ if (y)
+ *y = y_pos;
+}
+
+static void
+gtk_entry_draw_text (GtkEntry *entry)
+{
+ GtkWidget *widget;
+ PangoLayoutLine *line;
+
+ if (!entry->visible && entry->invisible_char == 0)
+ return;
+
+ if (GTK_WIDGET_DRAWABLE (entry))
+ {
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
+ gint area_width, area_height;
+
+ gint x, y;
+ gint start_pos, end_pos;
+
+ widget = GTK_WIDGET (entry);
+
+ get_layout_position (entry, &x, &y);
+
+ get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
+
+
+ gdk_draw_layout (entry->text_area, widget->style->text_gc [widget->state],
+ x, y,
+ layout);
+
+
+ if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start_pos, &end_pos))
+ {
+ gint *ranges;
+ gint n_ranges, i;
+ PangoRectangle logical_rect;
+ const gchar *text = pango_layout_get_text (layout);
+ gint start_index = g_utf8_offset_to_pointer (text, start_pos) - text;
+ gint end_index = g_utf8_offset_to_pointer (text, end_pos) - text;
+ GdkRegion *clip_region = gdk_region_new ();
+ GdkGC *text_gc;
+ GdkGC *selection_gc;
+
+ line = pango_layout_get_lines (layout)->data;
+
+ pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges);
+
+ pango_layout_get_extents (layout, NULL, &logical_rect);
+
+ if (GTK_WIDGET_HAS_FOCUS (entry))
+ {
+ selection_gc = widget->style->base_gc [GTK_STATE_SELECTED];
+ text_gc = widget->style->text_gc [GTK_STATE_SELECTED];
+ }
+ else
+ {
+ selection_gc = widget->style->base_gc [GTK_STATE_ACTIVE];
+ text_gc = widget->style->text_gc [GTK_STATE_ACTIVE];
+ }
+
+ for (i=0; i < n_ranges; i++)
+ {
+ GdkRectangle rect;
+
+ rect.x = INNER_BORDER - entry->scroll_offset + ranges[2*i] / PANGO_SCALE;
+ rect.y = y;
+ rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE;
+ rect.height = logical_rect.height / PANGO_SCALE;
+
+ gdk_draw_rectangle (entry->text_area, selection_gc, TRUE,
+ rect.x, rect.y, rect.width, rect.height);
+
+ gdk_region_union_with_rect (clip_region, &rect);
+ }
+
+ gdk_gc_set_clip_region (text_gc, clip_region);
+ gdk_draw_layout (entry->text_area, text_gc,
+ x, y,
+ layout);
+ gdk_gc_set_clip_region (text_gc, NULL);
+
+ gdk_region_destroy (clip_region);
+ g_free (ranges);
+ }
+ }
+}
+
+/*
+ * From _gtk_get_insertion_cursor_gc
+ */
+
+typedef struct _CursorInfo CursorInfo;
+
+struct _CursorInfo
+{
+ GType for_type;
+ GdkGC *primary_gc;
+ GdkGC *secondary_gc;
+};
+
+static GdkGC *
+make_cursor_gc (GtkWidget *widget,
+ const gchar *property_name,
+ GdkColor *fallback)
+{
+ GdkGCValues gc_values;
+ GdkGCValuesMask gc_values_mask;
+ GdkColor *cursor_color;
+
+ gtk_widget_style_get (widget, property_name, &cursor_color, NULL);
+
+ gc_values_mask = GDK_GC_FOREGROUND;
+ if (cursor_color)
+ {
+ gc_values.foreground = *cursor_color;
+ gdk_color_free (cursor_color);
+ }
+ else
+ gc_values.foreground = *fallback;
+
+ gdk_rgb_find_color (widget->style->colormap, &gc_values.foreground);
+ return gtk_gc_get (widget->style->depth, widget->style->colormap,
+ &gc_values, gc_values_mask);
+}
+
+static GdkGC *
+_gtkextra_get_insertion_cursor_gc (GtkWidget *widget,
+ gboolean is_primary)
+{
+ CursorInfo *cursor_info;
+
+ cursor_info = g_object_get_data (G_OBJECT (widget->style), "gtk-style-cursor-info");
+ if (!cursor_info)
+ {
+ cursor_info = g_new (CursorInfo, 1);
+ g_object_set_data (G_OBJECT (widget->style), "gtk-style-cursor-info", cursor_info);
+ cursor_info->primary_gc = NULL;
+ cursor_info->secondary_gc = NULL;
+ cursor_info->for_type = G_TYPE_INVALID;
+ }
+
+ /* We have to keep track of the type because gtk_widget_style_get()
+ * can return different results when called on the same property and
+ * same style but for different widgets. :-(. That is,
+ * GtkEntry::cursor-color = "red" in a style will modify the cursor
+ * color for entries but not for text view.
+ */
+ if (cursor_info->for_type != G_OBJECT_TYPE (widget))
+ {
+ cursor_info->for_type = G_OBJECT_TYPE (widget);
+ if (cursor_info->primary_gc)
+ {
+ gtk_gc_release (cursor_info->primary_gc);
+ cursor_info->primary_gc = NULL;
+ }
+ if (cursor_info->secondary_gc)
+ {
+ gtk_gc_release (cursor_info->secondary_gc);
+ cursor_info->secondary_gc = NULL;
+ }
+ }
+
+ if (is_primary)
+ {
+ if (!cursor_info->primary_gc)
+ cursor_info->primary_gc = make_cursor_gc (widget,
+ "cursor-color",
+ &widget->style->black);
+
+ return g_object_ref (cursor_info->primary_gc);
+ }
+ else
+ {
+ static GdkColor gray = { 0, 0x8888, 0x8888, 0x8888 };
+
+ if (!cursor_info->secondary_gc)
+ cursor_info->secondary_gc = make_cursor_gc (widget,
+ "secondary-cursor-color",
+ &gray);
+
+ return g_object_ref (cursor_info->secondary_gc);
+ }
+}
+
+/*
+ * From _gtk_draw_insertion_cursor
+ */
+static void
+_gtkextra_draw_insertion_cursor (GtkWidget *widget,
+ GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkRectangle *location,
+ GtkTextDirection direction,
+ gboolean draw_arrow)
+{
+ gint stem_width;
+ gint arrow_width;
+ gint x, y;
+ gint i;
+ gfloat cursor_aspect_ratio;
+ gint offset;
+
+ g_return_if_fail (direction != GTK_TEXT_DIR_NONE);
+
+ gtk_widget_style_get (widget, "cursor-aspect-ratio", &cursor_aspect_ratio, NULL);
+
+ stem_width = location->height * cursor_aspect_ratio + 1;
+ arrow_width = stem_width + 1;
+
+ /* put (stem_width % 2) on the proper side of the cursor */
+ if (direction == GTK_TEXT_DIR_LTR)
+ offset = stem_width / 2;
+ else
+ offset = stem_width - stem_width / 2;
+
+ for (i = 0; i < stem_width; i++)
+ gdk_draw_line (drawable, gc,
+ location->x + i - offset, location->y,
+ location->x + i - offset, location->y + location->height - 1);
+
+ if (draw_arrow)
+ {
+ if (direction == GTK_TEXT_DIR_RTL)
+ {
+ x = location->x - offset - 1;
+ y = location->y + location->height - arrow_width * 2 - arrow_width + 1;
+
+ for (i = 0; i < arrow_width; i++)
+ {
+ gdk_draw_line (drawable, gc,
+ x, y + i + 1,
+ x, y + 2 * arrow_width - i - 1);
+ x --;
+ }
+ }
+ else if (direction == GTK_TEXT_DIR_LTR)
+ {
+ x = location->x + stem_width - offset;
+ y = location->y + location->height - arrow_width * 2 - arrow_width + 1;
+
+ for (i = 0; i < arrow_width; i++)
+ {
+ gdk_draw_line (drawable, gc,
+ x, y + i + 1,
+ x, y + 2 * arrow_width - i - 1);
+ x++;
+ }
+ }
+ }
+}
+
+static void
+gtk_entry_draw_cursor (GtkEntry *entry,
+ CursorType type)
+{
+ 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 (entry));
+
+ if (GTK_WIDGET_DRAWABLE (entry) && GTK_ENTRY(entry)->cursor_visible)
+ {
+ GtkWidget *widget = GTK_WIDGET (entry);
+ GdkRectangle cursor_location;
+ gboolean split_cursor;
+
+ gint xoffset = INNER_BORDER - entry->scroll_offset;
+ gint strong_x, weak_x;
+ gint text_area_height;
+ GtkTextDirection dir1 = GTK_TEXT_DIR_NONE;
+ GtkTextDirection dir2 = GTK_TEXT_DIR_NONE;
+ gint x1 = 0;
+ gint x2 = 0;
+ GdkGC *gc;
+
+ gdk_window_get_size (entry->text_area, NULL, &text_area_height);
+
+ gtk_entry_get_cursor_locations (entry, type, &strong_x, &weak_x);
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-split-cursor", &split_cursor,
+ NULL);
+
+ dir1 = widget_direction;
+
+ if (split_cursor)
+ {
+ x1 = strong_x;
+
+ if (weak_x != strong_x)
+ {
+ dir2 = (widget_direction == GTK_TEXT_DIR_LTR) ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR;
+ x2 = weak_x;
+ }
+ }
+ else
+ {
+ if (keymap_direction == widget_direction)
+ x1 = strong_x;
+ else
+ x1 = weak_x;
+ }
+
+ cursor_location.x = xoffset + x1;
+ cursor_location.y = INNER_BORDER;
+ cursor_location.width = 0;
+ cursor_location.height = text_area_height - 2 * INNER_BORDER ;
+
+ gc = _gtkextra_get_insertion_cursor_gc (widget, TRUE);
+ _gtkextra_draw_insertion_cursor (widget, entry->text_area, gc,
+ &cursor_location, dir1,
+ dir2 != GTK_TEXT_DIR_NONE);
+ g_object_unref (gc);
+
+ if (dir2 != GTK_TEXT_DIR_NONE)
+ {
+ cursor_location.x = xoffset + x2;
+ gc = _gtkextra_get_insertion_cursor_gc (widget, FALSE);
+ _gtkextra_draw_insertion_cursor (widget, entry->text_area, gc,
+ &cursor_location, dir2,
+ TRUE);
+ g_object_unref (gc);
+ }
+ }
+}
+
+static void
+gtk_entry_queue_draw (GtkEntry *entry)
+{
+ if (GTK_WIDGET_REALIZED (entry))
+ gdk_window_invalidate_rect (entry->text_area, NULL, FALSE);
+}
+
+static void
+gtk_entry_reset_im_context (GtkEntry *entry)
+{
+ if (entry->need_im_reset)
+ {
+ entry->need_im_reset = 0;
+ gtk_im_context_reset (entry->im_context);
+ }
+}
+
+static void
+gtk_entry_get_cursor_locations (GtkEntry *entry,
+ CursorType type,
+ gint *strong_x,
+ gint *weak_x)
+{
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
+ const gchar *text;
+ PangoRectangle strong_pos, weak_pos;
+ gint index;
+
+ if (type == CURSOR_STANDARD)
+ {
+ text = pango_layout_get_text (layout);
+ index = g_utf8_offset_to_pointer (text, entry->current_pos + entry->preedit_cursor) - text;
+ }
+ else /* type == CURSOR_DND */
+ {
+ index = g_utf8_offset_to_pointer (entry->text, entry->dnd_position) - entry->text;
+ if (entry->dnd_position > entry->current_pos)
+ index += entry->preedit_length;
+ }
+
+ pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
+
+ if (strong_x)
+ *strong_x = strong_pos.x / PANGO_SCALE;
+
+ if (weak_x)
+ *weak_x = weak_pos.x / PANGO_SCALE;
+}
+
+static void
+gtk_entry_adjust_scroll (GtkEntry *entry)
+{
+ gint min_offset, max_offset;
+ gint text_area_width;
+ gint strong_x, weak_x;
+ PangoLayout *layout;
+ PangoLayoutLine *line;
+ PangoRectangle logical_rect;
+ GtkItemEntry *item_entry;
+ gint text_width;
+
+ if (!GTK_WIDGET_REALIZED (entry))
+ return;
+
+ item_entry = GTK_ITEM_ENTRY(entry);
+
+ gdk_window_get_size (entry->text_area, &text_area_width, NULL);
+ text_area_width -= 2 * INNER_BORDER;
+
+ layout = gtk_entry_ensure_layout (entry, TRUE);
+ line = pango_layout_get_lines (layout)->data;
+
+ pango_layout_line_get_extents (line, NULL, &logical_rect);
+ text_width = logical_rect.width / PANGO_SCALE + 2; /* 2 for cursor */
+
+ gtk_entry_get_cursor_locations (entry, CURSOR_STANDARD, &strong_x, &weak_x);
+
+ /* Display as much text as we can */
+
+ if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_LTR)
+ {
+ entry->scroll_offset = 0;
+ switch(item_entry->justification){
+
+ case GTK_JUSTIFY_FILL:
+ case GTK_JUSTIFY_LEFT:
+
+/* LEFT JUSTIFICATION */
+
+ strong_x -= entry->scroll_offset;
+ if (strong_x < 0)
+ entry->scroll_offset += strong_x;
+ else if (strong_x > text_area_width){
+ if(item_entry->text_max_size != 0 &&
+ text_area_width + 2 <= item_entry->text_max_size){
+ GtkAllocation allocation;
+ allocation = GTK_WIDGET(entry)->allocation;
+ allocation.width += text_width - text_area_width;
+ entry->scroll_offset = 0;
+ gtk_entry_size_allocate(GTK_WIDGET(entry), &allocation);
+ }else{
+ entry->scroll_offset += (strong_x - text_area_width) + 1;
+ }
+ }
+
+ break;
+
+ case GTK_JUSTIFY_RIGHT:
+
+ /* RIGHT JUSTIFICATION FOR NUMBERS */
+ if(entry->text){
+
+ entry->scroll_offset= -(text_area_width - text_width) + 1;
+ if(entry->scroll_offset > 0){
+ if(item_entry->text_max_size != 0 &&
+ text_area_width + 2 <= item_entry->text_max_size){
+ GtkAllocation allocation;
+ allocation = GTK_WIDGET(entry)->allocation;
+ allocation.x -= text_width - text_area_width;
+ allocation.width += text_width - text_area_width;
+ entry->scroll_offset = 0;
+ gtk_entry_size_allocate(GTK_WIDGET(entry), &allocation);
+ }
+ else
+ {
+ entry->scroll_offset= -(text_area_width - strong_x) + 1;
+ if(entry->scroll_offset < 0) entry->scroll_offset = 0;
+ }
+ }
+ }
+ else
+ entry->scroll_offset=0;
+
+ break;
+ case GTK_JUSTIFY_CENTER:
+
+ if(entry->text){
+
+ entry->scroll_offset= -(text_area_width - text_width)/2;
+ if(entry->scroll_offset > 0){
+ if(item_entry->text_max_size != 0 &&
+ text_area_width+1<=item_entry->text_max_size){
+ GtkAllocation allocation;
+ allocation = GTK_WIDGET(entry)->allocation;
+ allocation.x += (text_area_width/2 - text_width/2);
+ allocation.width += text_width - text_area_width;
+ entry->scroll_offset = 0;
+ gtk_entry_size_allocate(GTK_WIDGET(entry), &allocation);
+ }
+ else
+ {
+ entry->scroll_offset= -(text_area_width - strong_x) + 1;
+ if(entry->scroll_offset < 0) entry->scroll_offset = 0;
+ }
+ }
+ }
+ else
+ entry->scroll_offset=0;
+
+ break;
+
+ }
+
+ }
+ else
+ {
+ max_offset = text_width - text_area_width;
+ min_offset = MIN (0, max_offset);
+ entry->scroll_offset = CLAMP (entry->scroll_offset, min_offset, max_offset);
+ }
+
+ g_object_notify (G_OBJECT (entry), "scroll_offset");
+}
+
+static gint
+gtk_entry_move_visually (GtkEntry *entry,
+ gint start,
+ gint count)
+{
+ gint index;
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
+ const gchar *text;
+
+ text = pango_layout_get_text (layout);
+
+ index = g_utf8_offset_to_pointer (text, start) - text;
+
+ while (count != 0)
+ {
+ int new_index, new_trailing;
+ gboolean split_cursor;
+ gboolean strong;
+
+ g_object_get (gtk_widget_get_settings (GTK_WIDGET (entry)),
+ "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 (entry));
+ }
+
+ if (count > 0)
+ {
+ pango_layout_move_cursor_visually (layout, strong, index, 0, 1, &new_index, &new_trailing);
+ count--;
+ }
+ else
+ {
+ pango_layout_move_cursor_visually (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 (entry->text + new_index) - entry->text;
+ }
+
+ return g_utf8_pointer_to_offset (text, text + index);
+}
+
+static gint
+gtk_entry_move_logically (GtkEntry *entry,
+ gint start,
+ gint count)
+{
+ gint new_pos = start;
+
+ /* Prevent any leak of information */
+ if (!entry->visible)
+ {
+ new_pos = CLAMP (start + count, 0, entry->text_length);
+ }
+ else if (entry->text)
+ {
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
+ PangoLogAttr *log_attrs;
+ gint n_attrs;
+
+ pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
+
+ while (count > 0 && new_pos < entry->text_length)
+ {
+ do
+ new_pos++;
+ while (new_pos < entry->text_length && !log_attrs[new_pos].is_cursor_position);
+
+ count--;
+ }
+ while (count < 0 && new_pos > 0)
+ {
+ do
+ new_pos--;
+ while (new_pos > 0 && !log_attrs[new_pos].is_cursor_position);
+
+ count++;
+ }
+
+ g_free (log_attrs);
+ }
+
+ return new_pos;
+}
+
+static gint
+gtk_entry_move_forward_word (GtkEntry *entry,
+ gint start)
+{
+ gint new_pos = start;
+
+ /* Prevent any leak of information */
+ if (!entry->visible)
+ {
+ new_pos = entry->text_length;
+ }
+ else if (entry->text && (new_pos < entry->text_length))
+ {
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
+ PangoLogAttr *log_attrs;
+ gint n_attrs;
+
+ pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
+
+ /* Find the next word end */
+ new_pos++;
+ while (new_pos < n_attrs && !log_attrs[new_pos].is_word_end)
+ new_pos++;
+
+ g_free (log_attrs);
+ }
+
+ return new_pos;
+}
+
+
+static gint
+gtk_entry_move_backward_word (GtkEntry *entry,
+ gint start)
+{
+ gint new_pos = start;
+
+ /* Prevent any leak of information */
+ if (!entry->visible)
+ {
+ new_pos = 0;
+ }
+ else if (entry->text && start > 0)
+ {
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
+ PangoLogAttr *log_attrs;
+ gint n_attrs;
+
+ pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
+
+ new_pos = start - 1;
+
+ /* Find the previous word beginning */
+ while (new_pos > 0 && !log_attrs[new_pos].is_word_start)
+ new_pos--;
+
+ g_free (log_attrs);
+ }
+
+ return new_pos;
+}
+
+static void
+gtk_entry_delete_whitespace (GtkEntry *entry)
+{
+ PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
+ PangoLogAttr *log_attrs;
+ gint n_attrs;
+ gint start, end;
+
+ pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
+
+ start = end = entry->current_pos;
+
+ while (start > 0 && log_attrs[start-1].is_white)
+ start--;
+
+ while (end < n_attrs && log_attrs[end].is_white)
+ end++;
+
+ g_free (log_attrs);
+
+ if (start != end)
+ gtk_editable_delete_text (GTK_EDITABLE (entry), start, end);
+}
+
+
+/*
+ * Like gtk_editable_get_chars, but if the editable is not
+ * visible, return asterisks; also convert result to UTF-8.
+ */
+static char *
+gtk_entry_get_public_chars (GtkEntry *entry,
+ gint start,
+ gint end)
+{
+ if (end < 0)
+ end = entry->text_length;
+
+ if (entry->visible)
+ return gtk_editable_get_chars (GTK_EDITABLE (entry), start, end);
+ else
+ {
+ gchar *str;
+ gint i;
+ gint n_chars = end - start;
+
+ str = g_malloc (n_chars + 1);
+ for (i = 0; i < n_chars; i++)
+ str[i] = '*';
+ str[i] = '\0';
+
+ return str;
+ }
+
+}
+
+static void
+primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ GtkEntry *entry = GTK_ENTRY (data);
+ gint start, end;
+
+ if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
+ {
+ gchar *str = gtk_entry_get_public_chars (entry, start, end);
+ gtk_selection_data_set_text (selection_data, str, -1);
+ g_free (str);
+ }
+}
+
+static void
+primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ GtkEntry *entry = GTK_ENTRY (data);
+
+ gtk_editable_select_region (GTK_EDITABLE (entry), entry->current_pos, entry->current_pos);
+}
+
+static void
+gtk_entry_update_primary_selection (GtkEntry *entry)
+{
+ static const GtkTargetEntry targets[] = {
+ { "UTF8_STRING", 0, 0 },
+ { "STRING", 0, 0 },
+ { "TEXT", 0, 0 },
+ { "COMPOUND_TEXT", 0, 0 }
+ };
+
+ GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
+ gint start, end;
+
+ if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
+ {
+ if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets),
+ primary_get_cb, primary_clear_cb, G_OBJECT (entry)))
+ primary_clear_cb (clipboard, entry);
+ }
+ else
+ {
+ if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (entry))
+ gtk_clipboard_clear (clipboard);
+ }
+}
+
+/* Public API
+ */
+
+GtkWidget*
+gtk_item_entry_new (void)
+{
+ GtkWidget *widget;
+
+ widget = GTK_WIDGET (gtk_type_new (GTK_TYPE_ITEM_ENTRY));
+ return widget;
+}
+
+GtkWidget*
+gtk_item_entry_new_with_max_length (gint max)
+{
+ GtkItemEntry *entry;
+
+ entry = gtk_type_new (GTK_TYPE_ITEM_ENTRY);
+ gtk_entry_set_max_length(GTK_ENTRY(entry), max);
+
+ return GTK_WIDGET (entry);
+}
+
+void
+gtk_item_entry_set_text (GtkItemEntry *entry,
+ const gchar *text,
+ GtkJustification justification)
+{
+ gint tmp_pos;
+
+ g_return_if_fail (GTK_IS_ITEM_ENTRY (entry));
+ g_return_if_fail (text != NULL);
+
+ entry->justification = justification;
+
+ /* Actually setting the text will affect the cursor and selection;
+ * if the contents don't actually change, this will look odd to the user.
+ */
+ if (strcmp (GTK_ENTRY(entry)->text, text) == 0)
+ return;
+
+ if (GTK_ENTRY(entry)->recompute_idle){
+ g_source_remove (GTK_ENTRY(entry)->recompute_idle);
+ GTK_ENTRY(entry)->recompute_idle = 0;
+ }
+ if (GTK_ENTRY(entry)->blink_timeout){
+ g_source_remove (GTK_ENTRY(entry)->blink_timeout);
+ GTK_ENTRY(entry)->blink_timeout = 0;
+ }
+
+ gtk_editable_delete_text (GTK_EDITABLE (entry), 0, -1);
+
+ tmp_pos = 0;
+ gtk_editable_insert_text (GTK_EDITABLE (entry), text, strlen (text), &tmp_pos);
+}
+
+/**
+ * gtk_entry_get_layout_offsets:
+ * @entry: a #GtkEntry
+ * @x: location to store X offset of layout, or %NULL
+ * @y: location to store Y offset of layout, or %NULL
+ *
+ *
+ * Obtains the position of the #PangoLayout used to render text
+ * in the entry, in widget coordinates. Useful if you want to line
+ * up the text in an entry with some other text, e.g. when using the
+ * entry to implement editable cells in a sheet widget.
+ *
+ * Also useful to convert mouse events into coordinates inside the
+ * #PangoLayout, e.g. to take some action if some part of the entry text
+ * is clicked.
+ *
+ * Note that as the user scrolls around in the entry the offsets will
+ * change; you'll need to connect to the "notify::scroll_offset"
+ * signal to track this. Remember when using the #PangoLayout
+ * functions you need to convert to and from pixels using
+ * PANGO_PIXELS() or #PANGO_SCALE.
+ *
+ * Keep in mind that the layout text may contain a preedit string, so
+ * gtk_entry_layout_index_to_text_index() and
+ * gtk_entry_text_index_to_layout_index() are needed to convert byte
+ * indices in the layout to byte indices in the entry contents.
+ *
+ **/
+void
+gtk_item_entry_get_layout_offsets (GtkItemEntry *entry,
+ gint *x,
+ gint *y)
+{
+ gint text_area_x, text_area_y;
+
+ g_return_if_fail (GTK_IS_ITEM_ENTRY (entry));
+
+ /* this gets coords relative to text area */
+ get_layout_position (GTK_ENTRY(entry), x, y);
+
+ /* convert to widget coords */
+ get_text_area_size (GTK_ENTRY(entry), &text_area_x, &text_area_y, NULL, NULL);
+
+ if (x)
+ *x += text_area_x;
+
+ if (y)
+ *y += text_area_y;
+}
+
+void
+gtk_item_entry_set_justification(GtkItemEntry *entry, GtkJustification just)
+{
+ g_return_if_fail (GTK_IS_ITEM_ENTRY (entry));
+
+ entry->justification = just;
+}
+
+
+/* We display the cursor when
+ *
+ * - the selection is empty, AND
+ * - the widget has focus
+ */
+
+#define CURSOR_ON_MULTIPLIER 0.66
+#define CURSOR_OFF_MULTIPLIER 0.34
+#define CURSOR_PEND_MULTIPLIER 1.0
+
+static gboolean
+cursor_blinks (GtkEntry *entry)
+{
+ GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (entry));
+ gboolean blink;
+
+ if (GTK_WIDGET_HAS_FOCUS (entry) &&
+ entry->selection_bound == entry->current_pos)
+ {
+ g_object_get (G_OBJECT (settings), "gtk-cursor-blink", &blink, NULL);
+ return blink;
+ }
+ else
+ return FALSE;
+}
+
+static gint
+get_cursor_time (GtkEntry *entry)
+{
+ GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (entry));
+ gint time;
+
+ g_object_get (G_OBJECT (settings), "gtk-cursor-blink-time", &time, NULL);
+
+ return time;
+}
+
+static void
+show_cursor (GtkEntry *entry)
+{
+ if (!entry->cursor_visible)
+ {
+ entry->cursor_visible = TRUE;
+
+ if (GTK_WIDGET_HAS_FOCUS (entry) && entry->selection_bound == entry->current_pos)
+ gtk_widget_queue_draw (GTK_WIDGET (entry));
+ }
+}
+
+static void
+hide_cursor (GtkEntry *entry)
+{
+ if (entry->cursor_visible)
+ {
+ entry->cursor_visible = FALSE;
+
+ if (GTK_WIDGET_HAS_FOCUS (entry) && entry->selection_bound == entry->current_pos)
+ gtk_widget_queue_draw (GTK_WIDGET (entry));
+ }
+}
+
+/*
+ * Blink!
+ */
+static gint
+blink_cb (gpointer data)
+{
+ GtkEntry *entry;
+
+ GDK_THREADS_ENTER ();
+
+ entry = GTK_ENTRY (data);
+
+ g_assert (GTK_WIDGET_HAS_FOCUS (entry));
+ g_assert (entry->selection_bound == entry->current_pos);
+
+ if (entry->cursor_visible)
+ {
+ hide_cursor (entry);
+ entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_OFF_MULTIPLIER,
+ blink_cb,
+ entry);
+ }
+ else
+ {
+ show_cursor (entry);
+ entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_ON_MULTIPLIER,
+ blink_cb,
+ entry);
+ }
+
+ GDK_THREADS_LEAVE ();
+
+ /* Remove ourselves */
+ return FALSE;
+}
+
+static void
+gtk_entry_check_cursor_blink (GtkEntry *entry)
+{
+ if (cursor_blinks (entry))
+ {
+ if (!entry->blink_timeout)
+ {
+ entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_ON_MULTIPLIER,
+ blink_cb,
+ entry);
+ show_cursor (entry);
+ }
+ }
+ else
+ {
+ if (entry->blink_timeout)
+ {
+ gtk_timeout_remove (entry->blink_timeout);
+ entry->blink_timeout = 0;
+ }
+
+ entry->cursor_visible = TRUE;
+ }
+
+}
+
+static void
+gtk_entry_pend_cursor_blink (GtkEntry *entry)
+{
+ if (cursor_blinks (entry))
+ {
+ if (entry->blink_timeout != 0)
+ gtk_timeout_remove (entry->blink_timeout);
+
+ entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_PEND_MULTIPLIER,
+ blink_cb,
+ entry);
+ show_cursor (entry);
+ }
+}
+
+void
+gtk_item_entry_set_cursor_visible(GtkItemEntry *entry, gboolean visible)
+{
+ g_return_if_fail (GTK_IS_ITEM_ENTRY (entry));
+
+ GTK_ENTRY(entry)->cursor_visible = visible;
+}
+
+gboolean
+gtk_item_entry_get_cursor_visible(GtkItemEntry *entry)
+{
+ g_return_val_if_fail (GTK_IS_ITEM_ENTRY (entry), FALSE);
+
+ return(GTK_ENTRY(entry)->cursor_visible);
+}
projects / pspp-builds.git / blobdiff