forked from AuroraMiddleware/gtk
90408c4641
Sat Jul 4 13:16:24 1998 Tim Janik <timj@gtk.org>
* gtk/*.c: changed reversed_[12] to reserved_[12] in gtk_*_get_type
functions.
* gdk/gdkwindow.c:
* gdk/gdkvisual.c: check for some pointer values to be != NULL, prior
to XFree() calls.
436 lines
11 KiB
C
436 lines
11 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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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#include "gtklabel.h"
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#include "gtkmain.h"
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#include "gtksignal.h"
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#include "gtktogglebutton.h"
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#define DEFAULT_LEFT_POS 4
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#define DEFAULT_TOP_POS 4
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#define DEFAULT_SPACING 7
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enum {
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TOGGLED,
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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ARG_ACTIVE,
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ARG_DRAW_INDICATOR
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};
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static void gtk_toggle_button_class_init (GtkToggleButtonClass *klass);
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static void gtk_toggle_button_init (GtkToggleButton *toggle_button);
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static void gtk_toggle_button_draw_focus (GtkWidget *widget);
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static void gtk_toggle_button_pressed (GtkButton *button);
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static void gtk_toggle_button_released (GtkButton *button);
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static void gtk_toggle_button_clicked (GtkButton *button);
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static void gtk_toggle_button_enter (GtkButton *button);
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static void gtk_toggle_button_leave (GtkButton *button);
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static void gtk_toggle_button_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static void gtk_toggle_button_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static guint toggle_button_signals[LAST_SIGNAL] = { 0 };
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GtkType
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gtk_toggle_button_get_type (void)
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{
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static GtkType toggle_button_type = 0;
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if (!toggle_button_type)
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{
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GtkTypeInfo toggle_button_info =
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{
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"GtkToggleButton",
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sizeof (GtkToggleButton),
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sizeof (GtkToggleButtonClass),
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(GtkClassInitFunc) gtk_toggle_button_class_init,
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(GtkObjectInitFunc) gtk_toggle_button_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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toggle_button_type = gtk_type_unique (gtk_button_get_type (), &toggle_button_info);
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}
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return toggle_button_type;
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}
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static void
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gtk_toggle_button_class_init (GtkToggleButtonClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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GtkButtonClass *button_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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container_class = (GtkContainerClass*) class;
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button_class = (GtkButtonClass*) class;
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gtk_object_add_arg_type ("GtkToggleButton::active", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_ACTIVE);
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gtk_object_add_arg_type ("GtkToggleButton::draw_indicator", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_DRAW_INDICATOR);
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toggle_button_signals[TOGGLED] =
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gtk_signal_new ("toggled",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
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object_class->set_arg = gtk_toggle_button_set_arg;
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object_class->get_arg = gtk_toggle_button_get_arg;
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widget_class->draw_focus = gtk_toggle_button_draw_focus;
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button_class->pressed = gtk_toggle_button_pressed;
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button_class->released = gtk_toggle_button_released;
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button_class->clicked = gtk_toggle_button_clicked;
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button_class->enter = gtk_toggle_button_enter;
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button_class->leave = gtk_toggle_button_leave;
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class->toggled = NULL;
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}
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static void
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gtk_toggle_button_init (GtkToggleButton *toggle_button)
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{
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toggle_button->active = FALSE;
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toggle_button->draw_indicator = FALSE;
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}
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GtkWidget*
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gtk_toggle_button_new (void)
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{
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return GTK_WIDGET (gtk_type_new (gtk_toggle_button_get_type ()));
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}
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GtkWidget*
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gtk_toggle_button_new_with_label (const gchar *label)
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{
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GtkWidget *toggle_button;
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GtkWidget *label_widget;
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toggle_button = gtk_toggle_button_new ();
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label_widget = gtk_label_new (label);
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gtk_misc_set_alignment (GTK_MISC (label_widget), 0.5, 0.5);
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gtk_container_add (GTK_CONTAINER (toggle_button), label_widget);
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gtk_widget_show (label_widget);
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return toggle_button;
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}
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static void
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gtk_toggle_button_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkToggleButton *tb;
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tb = GTK_TOGGLE_BUTTON (object);
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switch (arg_id)
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{
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case ARG_ACTIVE:
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gtk_toggle_button_set_state (tb, GTK_VALUE_BOOL (*arg));
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break;
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case ARG_DRAW_INDICATOR:
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gtk_toggle_button_set_mode (tb, GTK_VALUE_BOOL (*arg));
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break;
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default:
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break;
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}
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}
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static void
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gtk_toggle_button_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkToggleButton *tb;
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tb = GTK_TOGGLE_BUTTON (object);
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switch (arg_id)
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{
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case ARG_ACTIVE:
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GTK_VALUE_BOOL (*arg) = tb->active;
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break;
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case ARG_DRAW_INDICATOR:
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GTK_VALUE_BOOL (*arg) = tb->draw_indicator;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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void
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gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
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gint draw_indicator)
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{
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g_return_if_fail (toggle_button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
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draw_indicator = draw_indicator ? TRUE : FALSE;
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if (toggle_button->draw_indicator != draw_indicator)
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{
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toggle_button->draw_indicator = draw_indicator;
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if (GTK_WIDGET_VISIBLE (toggle_button))
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gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
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}
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}
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void
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gtk_toggle_button_set_state (GtkToggleButton *toggle_button,
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gint state)
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{
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g_return_if_fail (toggle_button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
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if (toggle_button->active != (state != FALSE))
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gtk_button_clicked (GTK_BUTTON (toggle_button));
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}
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void
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gtk_toggle_button_toggled (GtkToggleButton *toggle_button)
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{
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gtk_signal_emit (GTK_OBJECT (toggle_button), toggle_button_signals[TOGGLED]);
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}
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static void
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gtk_toggle_button_draw_focus (GtkWidget *widget)
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{
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GtkButton *button;
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GtkToggleButton *toggle_button;
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GtkShadowType shadow_type;
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gint width, height;
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gint x, y;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
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if (GTK_WIDGET_DRAWABLE (widget))
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{
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button = GTK_BUTTON (widget);
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toggle_button = GTK_TOGGLE_BUTTON (widget);
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x = 0;
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y = 0;
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width = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2;
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height = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2;
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if (GTK_WIDGET_CAN_DEFAULT (widget))
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{
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x += widget->style->klass->xthickness;
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y += widget->style->klass->ythickness;
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width -= 2 * x + DEFAULT_SPACING;
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height -= 2 * y + DEFAULT_SPACING;
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x += DEFAULT_LEFT_POS;
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y += DEFAULT_TOP_POS;
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}
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if (GTK_WIDGET_HAS_FOCUS (widget))
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{
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x += 1;
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y += 1;
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width -= 2;
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height -= 2;
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}
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else
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{
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if (GTK_WIDGET_STATE (toggle_button) == GTK_STATE_ACTIVE)
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gdk_draw_rectangle (widget->window,
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widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
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x + 1, y + 1, width - 4, height - 4);
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else
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gdk_draw_rectangle (widget->window,
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widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
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x + 2, y + 2, width - 5, height - 5);
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}
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if (toggle_button->active)
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shadow_type = GTK_SHADOW_IN;
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else
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shadow_type = GTK_SHADOW_OUT;
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gtk_draw_shadow (widget->style, widget->window,
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GTK_WIDGET_STATE (widget), shadow_type,
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x, y, width, height);
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if (GTK_WIDGET_HAS_FOCUS (widget))
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{
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x -= 1;
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y -= 1;
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width += 2;
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height += 2;
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gdk_draw_rectangle (widget->window,
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widget->style->black_gc, FALSE,
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x, y, width - 1, height - 1);
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}
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}
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}
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static void
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gtk_toggle_button_pressed (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkStateType new_state;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
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toggle_button = GTK_TOGGLE_BUTTON (button);
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button->button_down = TRUE;
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if (toggle_button->active)
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new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
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else
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new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
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if (GTK_WIDGET_STATE (button) != new_state)
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{
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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}
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}
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static void
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gtk_toggle_button_released (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkStateType new_state;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
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if (button->button_down)
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{
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toggle_button = GTK_TOGGLE_BUTTON (button);
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button->button_down = FALSE;
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if (button->in_button)
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{
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gtk_button_clicked (button);
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}
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else
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{
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if (toggle_button->active)
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
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else
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
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if (GTK_WIDGET_STATE (button) != new_state)
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{
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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}
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}
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}
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}
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static void
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gtk_toggle_button_clicked (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkStateType new_state;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
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toggle_button = GTK_TOGGLE_BUTTON (button);
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toggle_button->active = !toggle_button->active;
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gtk_toggle_button_toggled (toggle_button);
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if (toggle_button->active)
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
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else
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
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if (GTK_WIDGET_STATE (button) != new_state)
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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}
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static void
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gtk_toggle_button_enter (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkStateType new_state;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
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toggle_button = GTK_TOGGLE_BUTTON (button);
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if (toggle_button->active)
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new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
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else
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new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
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if (GTK_WIDGET_STATE (button) != new_state)
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{
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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}
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}
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static void
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gtk_toggle_button_leave (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkStateType new_state;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
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toggle_button = GTK_TOGGLE_BUTTON (button);
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new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
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if (GTK_WIDGET_STATE (button) != new_state)
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{
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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}
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}
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