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1 files changed, 448 insertions, 0 deletions

diff --git a/gedit/gedit-statusbar.c b/gedit/gedit-statusbar.c
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@@ -0,0 +1,448 @@
+/*
+ * gedit-statusbar.c
+ * This file is part of gedit
+ *
+ * Copyright (C) 2005 - Paolo Borelli
+ *
+ * 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.
+ */
+
+/*
+ * Modified by the gedit Team, 2005. See the AUTHORS file for a
+ * list of people on the gedit Team.
+ * See the ChangeLog files for a list of changes.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "gedit-statusbar.h"
+
+#define GEDIT_STATUSBAR_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object),\
+					    GEDIT_TYPE_STATUSBAR,\
+					    GeditStatusbarPrivate))
+
+struct _GeditStatusbarPrivate
+{
+	GtkWidget     *overwrite_mode_statusbar;
+	GtkWidget     *cursor_position_statusbar;
+
+	GtkWidget     *state_frame;
+	GtkWidget     *load_image;
+	GtkWidget     *save_image;
+	GtkWidget     *print_image;
+
+	GtkWidget     *error_frame;
+	GtkWidget     *error_event_box;
+
+	/* tmp flash timeout data */
+	guint          flash_timeout;
+	guint          flash_context_id;
+	guint          flash_message_id;
+};
+
+G_DEFINE_TYPE(GeditStatusbar, gedit_statusbar, GTK_TYPE_STATUSBAR)
+
+
+static gchar *
+get_overwrite_mode_string (gboolean overwrite)
+{
+	return g_strconcat ("  ", overwrite ? _("OVR") :  _("INS"), NULL);
+}
+
+static gint
+get_overwrite_mode_length (void)
+{
+	return 2 + MAX (g_utf8_strlen (_("OVR"), -1), g_utf8_strlen (_("INS"), -1));
+}
+
+static void
+gedit_statusbar_notify (GObject    *object,
+			GParamSpec *pspec)
+{
+	/* don't allow gtk_statusbar_set_has_resize_grip to mess with us.
+	 * See _gedit_statusbar_set_has_resize_grip for an explanation.
+	 */
+	if (strcmp (g_param_spec_get_name (pspec), "has-resize-grip") == 0)
+	{
+		gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (object), FALSE);
+		return;
+	}
+
+	if (G_OBJECT_CLASS (gedit_statusbar_parent_class)->notify)
+		G_OBJECT_CLASS (gedit_statusbar_parent_class)->notify (object, pspec);
+}
+
+static void
+gedit_statusbar_finalize (GObject *object)
+{
+	GeditStatusbar *statusbar = GEDIT_STATUSBAR (object);
+
+	if (statusbar->priv->flash_timeout > 0)
+		g_source_remove (statusbar->priv->flash_timeout);
+
+	G_OBJECT_CLASS (gedit_statusbar_parent_class)->finalize (object);
+}
+
+static void
+gedit_statusbar_class_init (GeditStatusbarClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	object_class->notify = gedit_statusbar_notify;
+	object_class->finalize = gedit_statusbar_finalize;
+
+	g_type_class_add_private (object_class, sizeof (GeditStatusbarPrivate));
+}
+
+#define RESIZE_GRIP_EXTRA_WIDTH 30
+
+static void
+set_statusbar_width_chars (GtkWidget *statusbar,
+			   gint       n_chars,
+			   gboolean   has_resize_grip)
+{
+	PangoContext *context;
+	PangoFontMetrics *metrics;
+	gint char_width, digit_width, width;
+	GtkStyle *style;
+
+	context = gtk_widget_get_pango_context (statusbar);
+	style = gtk_widget_get_style (GTK_WIDGET (statusbar));
+	metrics = pango_context_get_metrics (context,
+					     style->font_desc,
+					     pango_context_get_language (context));
+
+	char_width = pango_font_metrics_get_approximate_digit_width (metrics);
+	digit_width = pango_font_metrics_get_approximate_char_width (metrics);
+
+	width = PANGO_PIXELS (MAX (char_width, digit_width) * n_chars);
+
+	pango_font_metrics_unref (metrics);
+
+	/* If there is a resize grip, allocate some extra width.
+	 * It would be nice to calculate the exact size programmatically
+	 * but I could not find out how to do it */
+	if (has_resize_grip)
+		width += RESIZE_GRIP_EXTRA_WIDTH;
+
+	gtk_widget_set_size_request (statusbar, width, -1);
+}
+
+static void
+gedit_statusbar_init (GeditStatusbar *statusbar)
+{
+	GtkWidget *hbox;
+	GtkWidget *error_image;
+
+	statusbar->priv = GEDIT_STATUSBAR_GET_PRIVATE (statusbar);
+
+	gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (statusbar), FALSE);
+
+	statusbar->priv->overwrite_mode_statusbar = gtk_statusbar_new ();
+	gtk_widget_show (statusbar->priv->overwrite_mode_statusbar);
+	gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (statusbar->priv->overwrite_mode_statusbar),
+					   TRUE);
+	set_statusbar_width_chars (statusbar->priv->overwrite_mode_statusbar,
+				   get_overwrite_mode_length (),
+				   TRUE);
+	gtk_box_pack_end (GTK_BOX (statusbar),
+			  statusbar->priv->overwrite_mode_statusbar,
+			  FALSE, TRUE, 0);
+
+	statusbar->priv->cursor_position_statusbar = gtk_statusbar_new ();
+	gtk_widget_show (statusbar->priv->cursor_position_statusbar);
+	gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (statusbar->priv->cursor_position_statusbar),
+					   FALSE);
+	set_statusbar_width_chars (statusbar->priv->cursor_position_statusbar, 18, FALSE);
+	gtk_box_pack_end (GTK_BOX (statusbar),
+			  statusbar->priv->cursor_position_statusbar,
+			  FALSE, TRUE, 0);
+
+	statusbar->priv->state_frame = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (statusbar->priv->state_frame), GTK_SHADOW_IN);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_container_add (GTK_CONTAINER (statusbar->priv->state_frame), hbox);
+
+	statusbar->priv->load_image = gtk_image_new_from_stock (GTK_STOCK_OPEN, GTK_ICON_SIZE_MENU);
+	statusbar->priv->save_image = gtk_image_new_from_stock (GTK_STOCK_SAVE, GTK_ICON_SIZE_MENU);
+	statusbar->priv->print_image = gtk_image_new_from_stock (GTK_STOCK_PRINT, GTK_ICON_SIZE_MENU);
+
+	gtk_widget_show (hbox);
+
+	gtk_box_pack_start (GTK_BOX (hbox),
+			    statusbar->priv->load_image,
+			    FALSE, TRUE, 4);
+	gtk_box_pack_start (GTK_BOX (hbox),
+			    statusbar->priv->save_image,
+			    FALSE, TRUE, 4);
+	gtk_box_pack_start (GTK_BOX (hbox),
+			    statusbar->priv->print_image,
+			    FALSE, TRUE, 4);
+
+	gtk_box_pack_start (GTK_BOX (statusbar),
+			    statusbar->priv->state_frame,
+			    FALSE, TRUE, 0);
+
+	statusbar->priv->error_frame = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (statusbar->priv->error_frame), GTK_SHADOW_IN);
+
+	error_image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_MENU);
+	gtk_misc_set_padding (GTK_MISC (error_image), 4, 0);
+	gtk_widget_show (error_image);
+
+	statusbar->priv->error_event_box = gtk_event_box_new ();
+	gtk_event_box_set_visible_window  (GTK_EVENT_BOX (statusbar->priv->error_event_box),
+					   FALSE);
+	gtk_widget_show (statusbar->priv->error_event_box);
+
+	gtk_container_add (GTK_CONTAINER (statusbar->priv->error_frame),
+			   statusbar->priv->error_event_box);
+	gtk_container_add (GTK_CONTAINER (statusbar->priv->error_event_box),
+			   error_image);
+
+	gtk_box_pack_start (GTK_BOX (statusbar),
+			    statusbar->priv->error_frame,
+			    FALSE, TRUE, 0);
+
+	gtk_box_reorder_child (GTK_BOX (statusbar),
+			       statusbar->priv->error_frame,
+			       0);
+}
+
+/**
+ * gedit_statusbar_new:
+ *
+ * Creates a new #GeditStatusbar.
+ *
+ * Return value: the new #GeditStatusbar object
+ **/
+GtkWidget *
+gedit_statusbar_new (void)
+{
+	return GTK_WIDGET (g_object_new (GEDIT_TYPE_STATUSBAR, NULL));
+}
+
+/**
+ * gedit_set_has_resize_grip:
+ * @statusbar: a #GeditStatusbar
+ * @show: if the resize grip is shown
+ *
+ * Sets if a resize grip showld be shown.
+ *
+ **/
+ /*
+  * I don't like this much, in a perfect world it would have been
+  * possible to override the parent property and use
+  * gtk_statusbar_set_has_resize_grip. Unfortunately this is not
+  * possible and it's not even possible to intercept the notify signal
+  * since the parent property should always be set to false thus when
+  * using set_resize_grip (FALSE) the property doesn't change and the
+  * notification is not emitted.
+  * For now just add this private method; if needed we can turn it into
+  * a property.
+  */
+void
+_gedit_statusbar_set_has_resize_grip (GeditStatusbar *bar,
+				      gboolean        show)
+{
+	g_return_if_fail (GEDIT_IS_STATUSBAR (bar));
+
+	gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (bar->priv->overwrite_mode_statusbar),
+					   show);
+}
+
+/**
+ * gedit_statusbar_set_overwrite:
+ * @statusbar: a #GeditStatusbar
+ * @overwrite: if the overwrite mode is set
+ *
+ * Sets the overwrite mode on the statusbar.
+ **/
+void
+gedit_statusbar_set_overwrite (GeditStatusbar *statusbar,
+                               gboolean        overwrite)
+{
+	gchar *msg;
+
+	g_return_if_fail (GEDIT_IS_STATUSBAR (statusbar));
+
+	gtk_statusbar_pop (GTK_STATUSBAR (statusbar->priv->overwrite_mode_statusbar), 0);
+
+	msg = get_overwrite_mode_string (overwrite);
+
+	gtk_statusbar_push (GTK_STATUSBAR (statusbar->priv->overwrite_mode_statusbar), 0, msg);
+
+      	g_free (msg);
+}
+
+void
+gedit_statusbar_clear_overwrite (GeditStatusbar *statusbar)
+{
+	g_return_if_fail (GEDIT_IS_STATUSBAR (statusbar));
+
+	gtk_statusbar_pop (GTK_STATUSBAR (statusbar->priv->overwrite_mode_statusbar), 0);
+}
+
+/**
+ * gedit_statusbar_cursor_position:
+ * @statusbar: an #GeditStatusbar
+ * @line: line position
+ * @col: column position
+ *
+ * Sets the cursor position on the statusbar.
+ **/
+void
+gedit_statusbar_set_cursor_position (GeditStatusbar *statusbar,
+				     gint            line,
+				     gint            col)
+{
+	gchar *msg;
+
+	g_return_if_fail (GEDIT_IS_STATUSBAR (statusbar));
+
+	gtk_statusbar_pop (GTK_STATUSBAR (statusbar->priv->cursor_position_statusbar), 0);
+
+	if ((line == -1) && (col == -1))
+		return;
+
+	/* Translators: "Ln" is an abbreviation for "Line", Col is an abbreviation for "Column". Please,
+	use abbreviations if possible to avoid space problems. */
+	msg = g_strdup_printf (_("  Ln %d, Col %d"), line, col);
+
+	gtk_statusbar_push (GTK_STATUSBAR (statusbar->priv->cursor_position_statusbar), 0, msg);
+
+      	g_free (msg);
+}
+
+static gboolean
+remove_message_timeout (GeditStatusbar *statusbar)
+{
+	gtk_statusbar_remove (GTK_STATUSBAR (statusbar),
+			      statusbar->priv->flash_context_id,
+			      statusbar->priv->flash_message_id);
+
+	/* remove the timeout */
+	statusbar->priv->flash_timeout = 0;
+  	return FALSE;
+}
+
+/**
+ * gedit_statusbar_flash_message:
+ * @statusbar: a #GeditStatusbar
+ * @context_id: message context_id
+ * @format: message to flash on the statusbar
+ *
+ * Flash a temporary message on the statusbar.
+ */
+void
+gedit_statusbar_flash_message (GeditStatusbar *statusbar,
+			       guint           context_id,
+			       const gchar    *format, ...)
+{
+	const guint32 flash_length = 3000; /* three seconds */
+	va_list args;
+	gchar *msg;
+
+	g_return_if_fail (GEDIT_IS_STATUSBAR (statusbar));
+	g_return_if_fail (format != NULL);
+
+	va_start (args, format);
+	msg = g_strdup_vprintf (format, args);
+	va_end (args);
+
+	/* remove a currently ongoing flash message */
+	if (statusbar->priv->flash_timeout > 0)
+	{
+		g_source_remove (statusbar->priv->flash_timeout);
+		statusbar->priv->flash_timeout = 0;
+
+		gtk_statusbar_remove (GTK_STATUSBAR (statusbar),
+				      statusbar->priv->flash_context_id,
+				      statusbar->priv->flash_message_id);
+	}
+
+	statusbar->priv->flash_context_id = context_id;
+	statusbar->priv->flash_message_id = gtk_statusbar_push (GTK_STATUSBAR (statusbar),
+								context_id,
+								msg);
+
+	statusbar->priv->flash_timeout = g_timeout_add (flash_length,
+							(GtkFunction) remove_message_timeout,
+							statusbar);
+
+	g_free (msg);
+}
+
+void
+gedit_statusbar_set_window_state (GeditStatusbar   *statusbar,
+				  GeditWindowState  state,
+				  gint              num_of_errors)
+{
+	g_return_if_fail (GEDIT_IS_STATUSBAR (statusbar));
+
+	gtk_widget_hide (statusbar->priv->state_frame);
+	gtk_widget_hide (statusbar->priv->save_image);
+	gtk_widget_hide (statusbar->priv->load_image);
+	gtk_widget_hide (statusbar->priv->print_image);
+
+	if (state & GEDIT_WINDOW_STATE_SAVING)
+	{
+		gtk_widget_show (statusbar->priv->state_frame);
+		gtk_widget_show (statusbar->priv->save_image);
+	}
+	if (state & GEDIT_WINDOW_STATE_LOADING)
+	{
+		gtk_widget_show (statusbar->priv->state_frame);
+		gtk_widget_show (statusbar->priv->load_image);
+	}
+
+	if (state & GEDIT_WINDOW_STATE_PRINTING)
+	{
+		gtk_widget_show (statusbar->priv->state_frame);
+		gtk_widget_show (statusbar->priv->print_image);
+	}
+
+	if (state & GEDIT_WINDOW_STATE_ERROR)
+	{
+	 	gchar *tip;
+
+ 		tip = g_strdup_printf (ngettext("There is a tab with errors",
+						"There are %d tabs with errors",
+						num_of_errors),
+			       		num_of_errors);
+
+		gtk_widget_set_tooltip_text (statusbar->priv->error_event_box,
+					     tip);
+		g_free (tip);
+
+		gtk_widget_show (statusbar->priv->error_frame);
+	}
+	else
+	{
+		gtk_widget_hide (statusbar->priv->error_frame);
+	}
+}
+
+