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authorPerberos <[email protected]>2011-12-01 23:52:01 -0300
committerPerberos <[email protected]>2011-12-01 23:52:01 -0300
commit28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/ui/metaaccellabel.c
downloadmarco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2
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moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'src/ui/metaaccellabel.c')
-rw-r--r--src/ui/metaaccellabel.c456
1 files changed, 456 insertions, 0 deletions
diff --git a/src/ui/metaaccellabel.c b/src/ui/metaaccellabel.c
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+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco hacked-up GtkAccelLabel */
+/* Copyright (C) 2002 Red Hat, Inc. */
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * MetaAccelLabel: GtkLabel with accelerator monitoring facilities.
+ * Copyright (C) 1998 Tim Janik
+ *
+ * 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 1997-2001. 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 <config.h>
+#include "metaaccellabel.h"
+#include <gtk/gtk.h>
+#include <string.h>
+#include "util.h"
+
+static void meta_accel_label_class_init (MetaAccelLabelClass *klass);
+static void meta_accel_label_init (MetaAccelLabel *accel_label);
+static void meta_accel_label_destroy (GtkObject *object);
+static void meta_accel_label_finalize (GObject *object);
+static void meta_accel_label_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static gboolean meta_accel_label_expose_event (GtkWidget *widget,
+ GdkEventExpose *event);
+
+static void meta_accel_label_update (MetaAccelLabel *accel_label);
+static int meta_accel_label_get_accel_width (MetaAccelLabel *accel_label);
+
+
+static GtkLabelClass *parent_class = NULL;
+
+
+GType
+meta_accel_label_get_type (void)
+{
+ static GType accel_label_type = 0;
+
+ if (!accel_label_type)
+ {
+ static const GtkTypeInfo accel_label_info =
+ {
+ "MetaAccelLabel",
+ sizeof (MetaAccelLabel),
+ sizeof (MetaAccelLabelClass),
+ (GtkClassInitFunc) meta_accel_label_class_init,
+ (GtkObjectInitFunc) meta_accel_label_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ accel_label_type = gtk_type_unique (GTK_TYPE_LABEL, &accel_label_info);
+ }
+
+ return accel_label_type;
+}
+
+static void
+meta_accel_label_class_init (MetaAccelLabelClass *class)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+ GtkObjectClass *object_class = GTK_OBJECT_CLASS (class);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+ parent_class = g_type_class_peek_parent (class);
+
+ gobject_class->finalize = meta_accel_label_finalize;
+
+ object_class->destroy = meta_accel_label_destroy;
+
+ widget_class->size_request = meta_accel_label_size_request;
+ widget_class->expose_event = meta_accel_label_expose_event;
+
+ class->signal_quote1 = g_strdup ("<:");
+ class->signal_quote2 = g_strdup (":>");
+ /* This is the text that should appear next to menu accelerators
+ * that use the shift key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_shift = g_strdup (_("Shift"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the control key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_control = g_strdup (_("Ctrl"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the alt key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_alt = g_strdup (_("Alt"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the meta key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_meta = g_strdup (_("Meta"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the super key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_super = g_strdup (_("Super"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the hyper key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_hyper = g_strdup (_("Hyper"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the mod2 key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_mod2 = g_strdup (_("Mod2"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the mod3 key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_mod3 = g_strdup (_("Mod3"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the mod4 key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_mod4 = g_strdup (_("Mod4"));
+ /* This is the text that should appear next to menu accelerators
+ * that use the mod5 key. If the text on this key isn't typically
+ * translated on keyboards used for your language, don't translate
+ * this.
+ */
+ class->mod_name_mod5 = g_strdup (_("Mod5"));
+
+ class->mod_separator = g_strdup ("+");
+ class->accel_seperator = g_strdup (" / ");
+ class->latin1_to_char = TRUE;
+}
+
+static void
+meta_accel_label_init (MetaAccelLabel *accel_label)
+{
+ accel_label->accel_padding = 3;
+ accel_label->accel_string = NULL;
+
+ meta_accel_label_update (accel_label);
+}
+
+GtkWidget*
+meta_accel_label_new_with_mnemonic (const gchar *string)
+{
+ MetaAccelLabel *accel_label;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ accel_label = g_object_new (META_TYPE_ACCEL_LABEL, NULL);
+
+ gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), string);
+
+ return GTK_WIDGET (accel_label);
+}
+
+static void
+meta_accel_label_destroy (GtkObject *object)
+{
+ MetaAccelLabel *accel_label = META_ACCEL_LABEL (object);
+
+
+ g_free (accel_label->accel_string);
+ accel_label->accel_string = NULL;
+
+ accel_label->accel_mods = 0;
+ accel_label->accel_key = 0;
+
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+static void
+meta_accel_label_finalize (GObject *object)
+{
+ MetaAccelLabel *accel_label = META_ACCEL_LABEL (object);
+
+ g_free (accel_label->accel_string);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+void
+meta_accel_label_set_accelerator (MetaAccelLabel *accel_label,
+ guint accelerator_key,
+ MetaVirtualModifier accelerator_mods)
+{
+ g_return_if_fail (META_IS_ACCEL_LABEL (accel_label));
+
+ if (accelerator_key != accel_label->accel_key ||
+ accelerator_mods != accel_label->accel_mods)
+ {
+ accel_label->accel_mods = accelerator_mods;
+ accel_label->accel_key = accelerator_key;
+
+ meta_accel_label_update (accel_label);
+ }
+}
+
+static int
+meta_accel_label_get_accel_width (MetaAccelLabel *accel_label)
+{
+ g_return_val_if_fail (META_IS_ACCEL_LABEL (accel_label), 0);
+
+ return (accel_label->accel_string_width +
+ (accel_label->accel_string_width ? accel_label->accel_padding : 0));
+}
+
+static void
+meta_accel_label_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ MetaAccelLabel *accel_label = META_ACCEL_LABEL (widget);
+ PangoLayout *layout;
+ gint width;
+
+ if (GTK_WIDGET_CLASS (parent_class)->size_request)
+ GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
+
+ layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string);
+ pango_layout_get_pixel_size (layout, &width, NULL);
+ accel_label->accel_string_width = width;
+
+ g_object_unref (G_OBJECT (layout));
+}
+
+static gboolean
+meta_accel_label_expose_event (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ MetaAccelLabel *accel_label = META_ACCEL_LABEL (widget);
+ GtkMisc *misc = GTK_MISC (accel_label);
+ PangoLayout *layout;
+
+ if (GTK_WIDGET_DRAWABLE (accel_label))
+ {
+ int ac_width;
+
+ ac_width = meta_accel_label_get_accel_width (accel_label);
+
+ if (widget->allocation.width >= widget->requisition.width + ac_width)
+ {
+ GtkTextDirection direction = gtk_widget_get_direction (widget);
+ gint x;
+ gint y;
+
+ if (direction == GTK_TEXT_DIR_RTL)
+ {
+ widget->allocation.x += ac_width;
+ }
+ widget->allocation.width -= ac_width;
+
+ if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+ GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+
+ if (direction == GTK_TEXT_DIR_RTL)
+ {
+ widget->allocation.x -= ac_width;
+ }
+ widget->allocation.width += ac_width;
+
+ if (direction == GTK_TEXT_DIR_RTL)
+ {
+ x = widget->allocation.x + misc->xpad;
+ }
+ else
+ {
+ x = widget->allocation.x + widget->allocation.width - misc->xpad - ac_width;
+ }
+
+ y = (widget->allocation.y * (1.0 - misc->yalign) +
+ (widget->allocation.y + widget->allocation.height -
+ (widget->requisition.height - misc->ypad * 2)) *
+ misc->yalign) + 1.5;
+
+ layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string);
+
+ gtk_paint_layout (widget->style,
+ widget->window,
+ GTK_WIDGET_STATE (widget),
+ FALSE,
+ &event->area,
+ widget,
+ "accellabel",
+ x, y,
+ layout);
+
+ g_object_unref (G_OBJECT (layout));
+ }
+ else
+ {
+ if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+ GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+meta_accel_label_update (MetaAccelLabel *accel_label)
+{
+ MetaAccelLabelClass *class;
+ GString *gstring;
+ gboolean seen_mod = FALSE;
+ gunichar ch;
+
+ g_return_if_fail (META_IS_ACCEL_LABEL (accel_label));
+
+ class = META_ACCEL_LABEL_GET_CLASS (accel_label);
+
+ g_free (accel_label->accel_string);
+ accel_label->accel_string = NULL;
+
+ gstring = g_string_new (accel_label->accel_string);
+ g_string_append (gstring, gstring->len ? class->accel_seperator : " ");
+
+ if (accel_label->accel_mods & META_VIRTUAL_SHIFT_MASK)
+ {
+ g_string_append (gstring, class->mod_name_shift);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_CONTROL_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_control);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_ALT_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_alt);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_META_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_meta);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_SUPER_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_super);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_HYPER_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_hyper);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_MOD2_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_mod2);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_MOD3_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_mod3);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_MOD4_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_mod4);
+ seen_mod = TRUE;
+ }
+ if (accel_label->accel_mods & META_VIRTUAL_MOD5_MASK)
+ {
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+ g_string_append (gstring, class->mod_name_mod5);
+ seen_mod = TRUE;
+ }
+
+ if (seen_mod)
+ g_string_append (gstring, class->mod_separator);
+
+ ch = gdk_keyval_to_unicode (accel_label->accel_key);
+ if (ch && (g_unichar_isgraph (ch) || ch == ' ') &&
+ (ch < 0x80 || class->latin1_to_char))
+ {
+ switch (ch)
+ {
+ case ' ':
+ g_string_append (gstring, "Space");
+ break;
+ case '\\':
+ g_string_append (gstring, "Backslash");
+ break;
+ default:
+ g_string_append_unichar (gstring, g_unichar_toupper (ch));
+ break;
+ }
+ }
+ else
+ {
+ gchar *tmp;
+
+ tmp = gtk_accelerator_name (accel_label->accel_key, 0);
+ if (tmp[0] != 0 && tmp[1] == 0)
+ tmp[0] = g_ascii_toupper (tmp[0]);
+ g_string_append (gstring, tmp);
+ g_free (tmp);
+ }
+
+ g_free (accel_label->accel_string);
+ accel_label->accel_string = gstring->str;
+ g_string_free (gstring, FALSE);
+
+ g_assert (accel_label->accel_string);
+ /* accel_label->accel_string = g_strdup ("-/-"); */
+
+ gtk_widget_queue_resize (GTK_WIDGET (accel_label));
+}
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