485c2a5350
Wed Feb 27 18:01:03 2002 Owen Taylor <otaylor@redhat.com> * gtk/gtkaccellabel.c (gtk_accelerator_name) po/POTFILES.in: Mark <Control>, <Shift>, <Release>, <Alt> for translation. * gtk/gtkfontsel.c: Mark PREVIEW_TEXT for translation. (Vlad Harchev, #53223)
585 lines
17 KiB
C
585 lines
17 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* GtkAccelLabel: GtkLabel with accelerator monitoring facilities.
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* Copyright (C) 1998 Tim Janik
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2001. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "gtkaccellabel.h"
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#include "gtkaccelmap.h"
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#include "gtkmain.h"
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#include "gtksignal.h"
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#include "gtkintl.h"
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#include <string.h>
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enum {
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PROP_0,
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PROP_ACCEL_CLOSURE,
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PROP_ACCEL_WIDGET
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};
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static void gtk_accel_label_class_init (GtkAccelLabelClass *klass);
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static void gtk_accel_label_init (GtkAccelLabel *accel_label);
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static void gtk_accel_label_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_accel_label_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_accel_label_destroy (GtkObject *object);
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static void gtk_accel_label_finalize (GObject *object);
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static void gtk_accel_label_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static gboolean gtk_accel_label_expose_event (GtkWidget *widget,
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GdkEventExpose *event);
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static gboolean gtk_accel_label_refetch_idle (GtkAccelLabel *accel_label);
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static GtkAccelLabelClass *accel_label_class = NULL;
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static GtkLabelClass *parent_class = NULL;
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GtkType
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gtk_accel_label_get_type (void)
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{
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static GtkType accel_label_type = 0;
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if (!accel_label_type)
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{
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static const GtkTypeInfo accel_label_info =
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{
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"GtkAccelLabel",
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sizeof (GtkAccelLabel),
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sizeof (GtkAccelLabelClass),
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(GtkClassInitFunc) gtk_accel_label_class_init,
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(GtkObjectInitFunc) gtk_accel_label_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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accel_label_type = gtk_type_unique (GTK_TYPE_LABEL, &accel_label_info);
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}
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return accel_label_type;
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}
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static void
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gtk_accel_label_class_init (GtkAccelLabelClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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GtkObjectClass *object_class = GTK_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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accel_label_class = class;
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parent_class = g_type_class_peek_parent (class);
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gobject_class->finalize = gtk_accel_label_finalize;
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gobject_class->set_property = gtk_accel_label_set_property;
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gobject_class->get_property = gtk_accel_label_get_property;
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object_class->destroy = gtk_accel_label_destroy;
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widget_class->size_request = gtk_accel_label_size_request;
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widget_class->expose_event = gtk_accel_label_expose_event;
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class->signal_quote1 = g_strdup ("<:");
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class->signal_quote2 = g_strdup (":>");
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/* This is the text that should appear next to menu accelerators
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* that use the shift key. If the text on this key isn't typically
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* translated on keyboards used for your language, don't translate
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* this.
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*/
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class->mod_name_shift = g_strdup (_("Shift"));
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/* This is the text that should appear next to menu accelerators
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* that use the control key. If the text on this key isn't typically
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* translated on keyboards used for your language, don't translate
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* this.
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*/
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class->mod_name_control = g_strdup (_("Ctrl"));
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/* This is the text that should appear next to menu accelerators
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* that use the alt key. If the text on this key isn't typically
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* translated on keyboards used for your language, don't translate
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* this.
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*/
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class->mod_name_alt = g_strdup (_("Alt"));
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class->mod_separator = g_strdup ("+");
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class->accel_seperator = g_strdup (" / ");
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class->latin1_to_char = TRUE;
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g_object_class_install_property (G_OBJECT_CLASS (object_class),
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PROP_ACCEL_CLOSURE,
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g_param_spec_boxed ("accel_closure",
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_("Accelerator Closure"),
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_("The closure to be monitored for accelerator changes"),
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G_TYPE_CLOSURE,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (G_OBJECT_CLASS (object_class),
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PROP_ACCEL_WIDGET,
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g_param_spec_object ("accel_widget",
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_("Accelerator Widget"),
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_("The widget to be monitored for accelerator changes"),
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GTK_TYPE_WIDGET,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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}
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static void
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gtk_accel_label_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkAccelLabel *accel_label;
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accel_label = GTK_ACCEL_LABEL (object);
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switch (prop_id)
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{
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case PROP_ACCEL_CLOSURE:
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gtk_accel_label_set_accel_closure (accel_label, g_value_get_boxed (value));
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break;
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case PROP_ACCEL_WIDGET:
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gtk_accel_label_set_accel_widget (accel_label, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_accel_label_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkAccelLabel *accel_label;
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accel_label = GTK_ACCEL_LABEL (object);
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switch (prop_id)
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{
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case PROP_ACCEL_CLOSURE:
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g_value_set_boxed (value, accel_label->accel_closure);
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break;
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case PROP_ACCEL_WIDGET:
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g_value_set_object (value, accel_label->accel_widget);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_accel_label_init (GtkAccelLabel *accel_label)
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{
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accel_label->queue_id = 0;
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accel_label->accel_padding = 3;
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accel_label->accel_widget = NULL;
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accel_label->accel_closure = NULL;
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accel_label->accel_group = NULL;
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accel_label->accel_string = NULL;
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gtk_accel_label_refetch (accel_label);
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}
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GtkWidget*
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gtk_accel_label_new (const gchar *string)
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{
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GtkAccelLabel *accel_label;
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g_return_val_if_fail (string != NULL, NULL);
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accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
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gtk_label_set_text (GTK_LABEL (accel_label), string);
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return GTK_WIDGET (accel_label);
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}
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static void
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gtk_accel_label_destroy (GtkObject *object)
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{
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GtkAccelLabel *accel_label = GTK_ACCEL_LABEL (object);
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gtk_accel_label_set_accel_widget (accel_label, NULL);
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gtk_accel_label_set_accel_closure (accel_label, NULL);
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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static void
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gtk_accel_label_finalize (GObject *object)
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{
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GtkAccelLabel *accel_label = GTK_ACCEL_LABEL (object);
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if (accel_label->queue_id)
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{
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gtk_idle_remove (accel_label->queue_id);
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accel_label->queue_id = 0;
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}
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g_free (accel_label->accel_string);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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/**
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* gtk_accel_label_get_accel_widget:
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* @accel_label: a #GtkAccelLabel
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*
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* Fetches the widget monitored by this accelerator label. See
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* gtk_accel_label_set_accel_widget().
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*
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* Return value: the object monitored by the accelerator label,
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* or %NULL.
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**/
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GtkWidget*
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gtk_accel_label_get_accel_widget (GtkAccelLabel *accel_label)
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{
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g_return_val_if_fail (GTK_IS_ACCEL_LABEL (accel_label), NULL);
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return accel_label->accel_widget;
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}
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guint
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gtk_accel_label_get_accel_width (GtkAccelLabel *accel_label)
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{
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g_return_val_if_fail (GTK_IS_ACCEL_LABEL (accel_label), 0);
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return (accel_label->accel_string_width +
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(accel_label->accel_string_width ? accel_label->accel_padding : 0));
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}
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static void
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gtk_accel_label_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkAccelLabel *accel_label = GTK_ACCEL_LABEL (widget);
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PangoLayout *layout;
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gint width;
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if (GTK_WIDGET_CLASS (parent_class)->size_request)
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GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
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layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string);
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pango_layout_get_pixel_size (layout, &width, NULL);
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accel_label->accel_string_width = width;
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g_object_unref (G_OBJECT (layout));
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}
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static gboolean
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gtk_accel_label_expose_event (GtkWidget *widget,
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GdkEventExpose *event)
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{
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GtkAccelLabel *accel_label = GTK_ACCEL_LABEL (widget);
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GtkMisc *misc = GTK_MISC (accel_label);
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PangoLayout *layout;
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if (GTK_WIDGET_DRAWABLE (accel_label))
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{
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guint ac_width;
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ac_width = gtk_accel_label_get_accel_width (accel_label);
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if (widget->allocation.width >= widget->requisition.width + ac_width)
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{
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guint x;
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guint y;
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widget->allocation.width -= ac_width;
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if (GTK_WIDGET_CLASS (parent_class)->expose_event)
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GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
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widget->allocation.width += ac_width;
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x = widget->allocation.x + widget->allocation.width - misc->xpad - ac_width;
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y = (widget->allocation.y * (1.0 - misc->yalign) +
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(widget->allocation.y + widget->allocation.height -
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(widget->requisition.height - misc->ypad * 2)) *
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misc->yalign) + 1.5;
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layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string);
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gtk_paint_layout (widget->style,
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widget->window,
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GTK_WIDGET_STATE (widget),
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FALSE,
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&event->area,
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widget,
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"accellabel",
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x, y,
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layout);
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g_object_unref (G_OBJECT (layout));
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}
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else
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{
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if (GTK_WIDGET_CLASS (parent_class)->expose_event)
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GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
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}
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}
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return FALSE;
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}
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static void
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refetch_widget_accel_closure (GtkAccelLabel *accel_label)
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{
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GClosure *closure = NULL;
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GList *clist, *list;
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g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
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g_return_if_fail (GTK_IS_WIDGET (accel_label->accel_widget));
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clist = gtk_widget_list_accel_closures (accel_label->accel_widget);
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for (list = clist; list; list = list->next)
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{
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/* we just take the first closure used */
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closure = list->data;
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break;
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}
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g_list_free (clist);
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gtk_accel_label_set_accel_closure (accel_label, closure);
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}
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/**
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* gtk_accel_label_set_accel_widget:
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* @accel_label: a #GtkAccelLabel
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* @accel_widget: the widget to be monitored.
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*
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* Sets the widget to be monitored by this accelerator label.
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**/
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void
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gtk_accel_label_set_accel_widget (GtkAccelLabel *accel_label,
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GtkWidget *accel_widget)
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{
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g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
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if (accel_widget)
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g_return_if_fail (GTK_IS_WIDGET (accel_widget));
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if (accel_widget != accel_label->accel_widget)
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{
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if (accel_label->accel_widget)
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{
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gtk_accel_label_set_accel_closure (accel_label, NULL);
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g_signal_handlers_disconnect_by_func (accel_label->accel_widget,
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G_CALLBACK (refetch_widget_accel_closure),
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accel_label);
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g_object_unref (accel_label->accel_widget);
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}
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accel_label->accel_widget = accel_widget;
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if (accel_label->accel_widget)
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{
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g_object_ref (accel_label->accel_widget);
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g_signal_connect_object (accel_label->accel_widget, "accel_closures_changed",
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G_CALLBACK (refetch_widget_accel_closure),
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accel_label, G_CONNECT_SWAPPED);
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refetch_widget_accel_closure (accel_label);
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}
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g_object_notify (G_OBJECT (accel_label), "accel_widget");
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}
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}
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static void
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gtk_accel_label_queue_refetch (GtkAccelLabel *accel_label)
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{
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g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
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if (accel_label->queue_id == 0)
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accel_label->queue_id = gtk_idle_add_priority (G_PRIORITY_HIGH_IDLE,
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(GtkFunction) gtk_accel_label_refetch_idle,
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accel_label);
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}
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static void
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check_accel_changed (GtkAccelGroup *accel_group,
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guint keyval,
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GdkModifierType modifier,
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GClosure *accel_closure,
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GtkAccelLabel *accel_label)
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{
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if (accel_closure == accel_label->accel_closure)
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gtk_accel_label_queue_refetch (accel_label);
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}
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/**
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* gtk_accel_label_set_accel_closure:
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* @accel_label: a #GtkAccelLabel
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* @accel_closure: the closure to monitor for accelerator changes.
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*
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* Sets the closure to be monitored by this accelerator label. The closure
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* must be connected to an accelerator group; see gtk_accel_group_connect().
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**/
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void
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gtk_accel_label_set_accel_closure (GtkAccelLabel *accel_label,
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GClosure *accel_closure)
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{
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g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
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if (accel_closure)
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g_return_if_fail (gtk_accel_group_from_accel_closure (accel_closure) != NULL);
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if (accel_closure != accel_label->accel_closure)
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{
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if (accel_label->accel_closure)
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{
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g_signal_handlers_disconnect_by_func (accel_label->accel_group,
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G_CALLBACK (check_accel_changed),
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accel_label);
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accel_label->accel_group = NULL;
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g_closure_unref (accel_label->accel_closure);
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}
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accel_label->accel_closure = accel_closure;
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if (accel_label->accel_closure)
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{
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g_closure_ref (accel_label->accel_closure);
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accel_label->accel_group = gtk_accel_group_from_accel_closure (accel_closure);
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g_signal_connect_object (accel_label->accel_group, "accel_changed",
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G_CALLBACK (check_accel_changed),
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accel_label, 0);
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}
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gtk_accel_label_queue_refetch (accel_label);
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g_object_notify (G_OBJECT (accel_label), "accel_closure");
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}
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}
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static gboolean
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gtk_accel_label_refetch_idle (GtkAccelLabel *accel_label)
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{
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gboolean retval;
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GDK_THREADS_ENTER ();
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retval = gtk_accel_label_refetch (accel_label);
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GDK_THREADS_LEAVE ();
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return retval;
|
|
}
|
|
|
|
static gboolean
|
|
find_accel (GtkAccelKey *key,
|
|
GClosure *closure,
|
|
gpointer data)
|
|
{
|
|
return data == (gpointer) closure;
|
|
}
|
|
|
|
gboolean
|
|
gtk_accel_label_refetch (GtkAccelLabel *accel_label)
|
|
{
|
|
GtkAccelLabelClass *class;
|
|
|
|
g_return_val_if_fail (GTK_IS_ACCEL_LABEL (accel_label), FALSE);
|
|
|
|
class = GTK_ACCEL_LABEL_GET_CLASS (accel_label);
|
|
|
|
g_free (accel_label->accel_string);
|
|
accel_label->accel_string = NULL;
|
|
|
|
if (accel_label->accel_closure)
|
|
{
|
|
GtkAccelKey *key = gtk_accel_group_find (accel_label->accel_group, find_accel, accel_label->accel_closure);
|
|
|
|
if (key && key->accel_flags & GTK_ACCEL_VISIBLE)
|
|
{
|
|
GString *gstring;
|
|
gboolean seen_mod = FALSE;
|
|
gunichar ch;
|
|
|
|
gstring = g_string_new (accel_label->accel_string);
|
|
g_string_append (gstring, gstring->len ? class->accel_seperator : " ");
|
|
|
|
if (key->accel_mods & GDK_SHIFT_MASK)
|
|
{
|
|
g_string_append (gstring, class->mod_name_shift);
|
|
seen_mod = TRUE;
|
|
}
|
|
if (key->accel_mods & GDK_CONTROL_MASK)
|
|
{
|
|
if (seen_mod)
|
|
g_string_append (gstring, class->mod_separator);
|
|
g_string_append (gstring, class->mod_name_control);
|
|
seen_mod = TRUE;
|
|
}
|
|
if (key->accel_mods & GDK_MOD1_MASK)
|
|
{
|
|
if (seen_mod)
|
|
g_string_append (gstring, class->mod_separator);
|
|
g_string_append (gstring, class->mod_name_alt);
|
|
seen_mod = TRUE;
|
|
}
|
|
if (seen_mod)
|
|
g_string_append (gstring, class->mod_separator);
|
|
|
|
ch = gdk_keyval_to_unicode (key->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 (key->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);
|
|
}
|
|
if (!accel_label->accel_string)
|
|
accel_label->accel_string = g_strdup ("-/-");
|
|
}
|
|
|
|
if (!accel_label->accel_string)
|
|
accel_label->accel_string = g_strdup ("");
|
|
|
|
if (accel_label->queue_id)
|
|
{
|
|
gtk_idle_remove (accel_label->queue_id);
|
|
accel_label->queue_id = 0;
|
|
}
|
|
|
|
gtk_widget_queue_resize (GTK_WIDGET (accel_label));
|
|
|
|
return FALSE;
|
|
}
|