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authorPerberos <[email protected]>2011-11-07 16:46:58 -0300
committerPerberos <[email protected]>2011-11-07 16:46:58 -0300
commit528c1e5ff51e213936e800fc5a9a25da99c0bdf2 (patch)
tree77f8aa456b09367ba81f04d4562fc935f898a951 /gedit/gedit-statusbar.c
downloadpluma-528c1e5ff51e213936e800fc5a9a25da99c0bdf2.tar.bz2
pluma-528c1e5ff51e213936e800fc5a9a25da99c0bdf2.tar.xz
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-rwxr-xr-xgedit/gedit-statusbar.c448
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diff --git a/gedit/gedit-statusbar.c b/gedit/gedit-statusbar.c
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+/*
+ * 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);
+ }
+}
+
+