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/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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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* 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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* 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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* 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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#include "gtkalignment.h"
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#include "gtkbutton.h"
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#include "gtkmarshalers.h"
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#include "gtkiconfactory.h"
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#include "gtkprivate.h"
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static const GtkBorder default_default_border = { 1, 1, 1, 1 };
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static const GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
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static const GtkBorder default_inner_border = { 1, 1, 1, 1 };
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/* Time out before giving up on getting a key release when animating
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#define ACTIVATE_TIMEOUT 250
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#define GTK_BUTTON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_BUTTON, GtkButtonPrivate))
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typedef struct _GtkButtonPrivate GtkButtonPrivate;
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struct _GtkButtonPrivate
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guint image_is_stock : 1;
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GtkPositionType image_position;
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static void gtk_button_destroy (GtkObject *object);
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static void gtk_button_set_property (GObject *object,
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static void gtk_button_get_property (GObject *object,
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static void gtk_button_screen_changed (GtkWidget *widget,
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GdkScreen *previous_screen);
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static void gtk_button_realize (GtkWidget *widget);
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static void gtk_button_unrealize (GtkWidget *widget);
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static void gtk_button_map (GtkWidget *widget);
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static void gtk_button_unmap (GtkWidget *widget);
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static void gtk_button_style_set (GtkWidget *widget,
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GtkStyle *prev_style);
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static void gtk_button_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_button_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static gint gtk_button_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_button_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_button_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_button_grab_broken (GtkWidget *widget,
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GdkEventGrabBroken *event);
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static gint gtk_button_key_release (GtkWidget *widget,
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static gint gtk_button_enter_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static gint gtk_button_leave_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static void gtk_real_button_pressed (GtkButton *button);
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static void gtk_real_button_released (GtkButton *button);
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static void gtk_real_button_activate (GtkButton *button);
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static void gtk_button_update_state (GtkButton *button);
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static void gtk_button_add (GtkContainer *container,
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static GType gtk_button_child_type (GtkContainer *container);
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static void gtk_button_finish_activate (GtkButton *button,
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static GObject* gtk_button_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params);
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static void gtk_button_construct_child (GtkButton *button);
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static void gtk_button_state_changed (GtkWidget *widget,
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GtkStateType previous_state);
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static void gtk_button_grab_notify (GtkWidget *widget,
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gboolean was_grabbed);
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static guint button_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GtkButton, gtk_button, GTK_TYPE_BIN)
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gtk_button_class_init (GtkButtonClass *klass)
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GObjectClass *gobject_class;
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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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gobject_class = G_OBJECT_CLASS (klass);
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object_class = (GtkObjectClass*) klass;
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widget_class = (GtkWidgetClass*) klass;
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container_class = (GtkContainerClass*) klass;
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gobject_class->constructor = gtk_button_constructor;
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gobject_class->set_property = gtk_button_set_property;
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gobject_class->get_property = gtk_button_get_property;
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object_class->destroy = gtk_button_destroy;
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widget_class->screen_changed = gtk_button_screen_changed;
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widget_class->realize = gtk_button_realize;
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widget_class->unrealize = gtk_button_unrealize;
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widget_class->map = gtk_button_map;
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widget_class->unmap = gtk_button_unmap;
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widget_class->style_set = gtk_button_style_set;
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widget_class->size_request = gtk_button_size_request;
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widget_class->size_allocate = gtk_button_size_allocate;
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widget_class->expose_event = gtk_button_expose;
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widget_class->button_press_event = gtk_button_button_press;
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widget_class->button_release_event = gtk_button_button_release;
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widget_class->grab_broken_event = gtk_button_grab_broken;
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widget_class->key_release_event = gtk_button_key_release;
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widget_class->enter_notify_event = gtk_button_enter_notify;
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widget_class->leave_notify_event = gtk_button_leave_notify;
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widget_class->state_changed = gtk_button_state_changed;
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widget_class->grab_notify = gtk_button_grab_notify;
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container_class->child_type = gtk_button_child_type;
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container_class->add = gtk_button_add;
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klass->pressed = gtk_real_button_pressed;
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klass->released = gtk_real_button_released;
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klass->clicked = NULL;
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klass->enter = gtk_button_update_state;
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klass->leave = gtk_button_update_state;
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klass->activate = gtk_real_button_activate;
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g_object_class_install_property (gobject_class,
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g_param_spec_string ("label",
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P_("Text of the label widget inside the button, if the button contains a label widget"),
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GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class,
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g_param_spec_boolean ("use-underline",
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P_("If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key"),
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GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class,
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g_param_spec_boolean ("use-stock",
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P_("If set, the label is used to pick a stock item instead of being displayed"),
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GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class,
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g_param_spec_boolean ("focus-on-click",
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P_("Focus on click"),
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P_("Whether the button grabs focus when it is clicked with the mouse"),
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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g_param_spec_enum ("relief",
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P_("The border relief style"),
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GTK_TYPE_RELIEF_STYLE,
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GTK_PARAM_READWRITE));
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* If the child of the button is a #GtkMisc or #GtkAlignment, this property
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* can be used to control it's horizontal alignment. 0.0 is left aligned,
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* 1.0 is right aligned.
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g_object_class_install_property (gobject_class,
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g_param_spec_float("xalign",
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P_("Horizontal alignment for child"),
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P_("Horizontal position of child in available space. 0.0 is left aligned, 1.0 is right aligned"),
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GTK_PARAM_READWRITE));
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* If the child of the button is a #GtkMisc or #GtkAlignment, this property
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* can be used to control it's vertical alignment. 0.0 is top aligned,
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* 1.0 is bottom aligned.
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g_object_class_install_property (gobject_class,
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g_param_spec_float("yalign",
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P_("Vertical alignment for child"),
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P_("Vertical position of child in available space. 0.0 is top aligned, 1.0 is bottom aligned"),
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GTK_PARAM_READWRITE));
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* The child widget to appear next to the button text.
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g_object_class_install_property (gobject_class,
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g_param_spec_object ("image",
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P_("Child widget to appear next to the button text"),
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GTK_PARAM_READWRITE));
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* GtkButton:image-position:
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* The position of the image relative to the text inside the button.
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g_object_class_install_property (gobject_class,
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g_param_spec_enum ("image-position",
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P_("Image position"),
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P_("The position of the image relative to the text"),
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GTK_TYPE_POSITION_TYPE,
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GTK_PARAM_READWRITE));
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* GtkButton::pressed:
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* @button: the object that received the signal
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* Emitted when the button is pressed.
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* @Deprecated: Use the GtkWidget::button-press-event signal.
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button_signals[PRESSED] =
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g_signal_new (I_("pressed"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_STRUCT_OFFSET (GtkButtonClass, pressed),
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_gtk_marshal_VOID__VOID,
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* GtkButton::released:
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* @button: the object that received the signal
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* Emitted when the button is released.
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* @Deprecated: Use the GtkWidget::button-release-event signal.
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button_signals[RELEASED] =
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g_signal_new (I_("released"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_STRUCT_OFFSET (GtkButtonClass, released),
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_gtk_marshal_VOID__VOID,
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* GtkButton::clicked:
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* @button: the object that received the signal
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* Emitted when the button has been activated (pressed and released).
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button_signals[CLICKED] =
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g_signal_new (I_("clicked"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
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G_STRUCT_OFFSET (GtkButtonClass, clicked),
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_gtk_marshal_VOID__VOID,
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* @button: the object that received the signal
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* Emitted when the pointer enters the button.
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* @Deprecated: Use the GtkWidget::enter-notify-event signal.
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button_signals[ENTER] =
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g_signal_new (I_("enter"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_STRUCT_OFFSET (GtkButtonClass, enter),
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_gtk_marshal_VOID__VOID,
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* @button: the object that received the signal
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* Emitted when the pointer leaves the button.
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* @Deprecated: Use the GtkWidget::leave-notify-event signal.
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button_signals[LEAVE] =
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g_signal_new (I_("leave"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_STRUCT_OFFSET (GtkButtonClass, leave),
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_gtk_marshal_VOID__VOID,
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* GtkButton::activate:
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* @widget: the object which received the signal.
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* The "activate" signal on GtkButton is an action signal and
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* emitting it causes the button to animate press then release.
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* Applications should never connect to this signal, but use the
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button_signals[ACTIVATE] =
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g_signal_new (I_("activate"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
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G_STRUCT_OFFSET (GtkButtonClass, activate),
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_gtk_marshal_VOID__VOID,
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widget_class->activate_signal = button_signals[ACTIVATE];
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_boxed ("default-border",
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P_("Default Spacing"),
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P_("Extra space to add for CAN_DEFAULT buttons"),
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GTK_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_boxed ("default-outside-border",
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P_("Default Outside Spacing"),
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P_("Extra space to add for CAN_DEFAULT buttons that is always drawn outside the border"),
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GTK_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("child-displacement-x",
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P_("Child X Displacement"),
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P_("How far in the x direction to move the child when the button is depressed"),
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GTK_PARAM_READABLE));
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("child-displacement-y",
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P_("Child Y Displacement"),
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P_("How far in the y direction to move the child when the button is depressed"),
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GTK_PARAM_READABLE));
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* GtkButton:displace-focus:
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* Whether the child_displacement_x/child_displacement_y properties should also
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* affect the focus rectangle.
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_boolean ("displace-focus",
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P_("Displace focus"),
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P_("Whether the child_displacement_x/_y properties should also affect the focus rectangle"),
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GTK_PARAM_READABLE));
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* GtkButton:inner-border:
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* Sets the border between the button edges and child.
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_boxed ("inner-border",
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P_("Border between button edges and child."),
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GTK_PARAM_READABLE));
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* GtkButton::image-spacing:
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* Spacing in pixels between the image and label.
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gtk_widget_class_install_style_property (widget_class,
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g_param_spec_int ("image-spacing",
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P_("Spacing in pixels between the image and label"),
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GTK_PARAM_READABLE));
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gtk_settings_install_property (g_param_spec_boolean ("gtk-button-images",
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P_("Show button images"),
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P_("Whether stock icons should be shown in buttons"),
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GTK_PARAM_READWRITE));
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g_type_class_add_private (gobject_class, sizeof (GtkButtonPrivate));
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gtk_button_init (GtkButton *button)
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GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
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GTK_WIDGET_SET_FLAGS (button, GTK_CAN_FOCUS | GTK_RECEIVES_DEFAULT);
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GTK_WIDGET_SET_FLAGS (button, GTK_NO_WINDOW);
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button->label_text = NULL;
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button->constructed = FALSE;
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button->in_button = FALSE;
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button->button_down = FALSE;
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button->relief = GTK_RELIEF_NORMAL;
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button->use_stock = FALSE;
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button->use_underline = FALSE;
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button->depressed = FALSE;
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button->depress_on_activate = TRUE;
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button->focus_on_click = TRUE;
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priv->image_is_stock = TRUE;
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priv->image_position = GTK_POS_LEFT;
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gtk_button_destroy (GtkObject *object)
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GtkButton *button = GTK_BUTTON (object);
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if (button->label_text)
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g_free (button->label_text);
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button->label_text = NULL;
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(* GTK_OBJECT_CLASS (gtk_button_parent_class)->destroy) (object);
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gtk_button_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params)
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object = (* G_OBJECT_CLASS (gtk_button_parent_class)->constructor) (type,
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n_construct_properties,
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button = GTK_BUTTON (object);
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button->constructed = TRUE;
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if (button->label_text != NULL)
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gtk_button_construct_child (button);
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gtk_button_child_type (GtkContainer *container)
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if (!GTK_BIN (container)->child)
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return GTK_TYPE_WIDGET;
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maybe_set_alignment (GtkButton *button,
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GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
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if (GTK_IS_MISC (widget))
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GtkMisc *misc = GTK_MISC (widget);
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gtk_misc_set_alignment (misc, priv->xalign, priv->yalign);
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else if (GTK_IS_ALIGNMENT (widget))
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GtkAlignment *alignment = GTK_ALIGNMENT (widget);
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gtk_alignment_set (alignment, priv->xalign, priv->yalign,
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alignment->xscale, alignment->yscale);
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gtk_button_add (GtkContainer *container,
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maybe_set_alignment (GTK_BUTTON (container), widget);
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GTK_CONTAINER_CLASS (gtk_button_parent_class)->add (container, widget);
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gtk_button_set_property (GObject *object,
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GtkButton *button = GTK_BUTTON (object);
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GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
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gtk_button_set_label (button, g_value_get_string (value));
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gtk_button_set_image (button, (GtkWidget *) g_value_get_object (value));
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gtk_button_set_relief (button, g_value_get_enum (value));
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case PROP_USE_UNDERLINE:
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gtk_button_set_use_underline (button, g_value_get_boolean (value));
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gtk_button_set_use_stock (button, g_value_get_boolean (value));
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case PROP_FOCUS_ON_CLICK:
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gtk_button_set_focus_on_click (button, g_value_get_boolean (value));
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gtk_button_set_alignment (button, g_value_get_float (value), priv->yalign);
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gtk_button_set_alignment (button, priv->xalign, g_value_get_float (value));
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case PROP_IMAGE_POSITION:
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gtk_button_set_image_position (button, g_value_get_enum (value));
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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gtk_button_get_property (GObject *object,
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GtkButton *button = GTK_BUTTON (object);
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GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
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g_value_set_string (value, button->label_text);
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g_value_set_object (value, (GObject *)priv->image);
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g_value_set_enum (value, gtk_button_get_relief (button));
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case PROP_USE_UNDERLINE:
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g_value_set_boolean (value, button->use_underline);
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g_value_set_boolean (value, button->use_stock);
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case PROP_FOCUS_ON_CLICK:
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g_value_set_boolean (value, button->focus_on_click);
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g_value_set_float (value, priv->xalign);
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g_value_set_float (value, priv->yalign);
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case PROP_IMAGE_POSITION:
677
g_value_set_enum (value, priv->image_position);
680
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
686
gtk_button_new (void)
688
return g_object_new (GTK_TYPE_BUTTON, NULL);
692
show_image (GtkButton *button)
696
if (button->label_text)
698
GtkSettings *settings;
700
settings = gtk_widget_get_settings (GTK_WIDGET (button));
701
g_object_get (settings, "gtk-button-images", &show, NULL);
710
gtk_button_construct_child (GtkButton *button)
712
GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
717
GtkWidget *image = NULL;
718
gchar *label_text = NULL;
721
if (!button->constructed)
724
if (!button->label_text && !priv->image)
727
gtk_widget_style_get (GTK_WIDGET (button),
728
"image-spacing", &image_spacing,
731
if (priv->image && !priv->image_is_stock)
733
image = g_object_ref (priv->image);
735
gtk_container_remove (GTK_CONTAINER (image->parent), image);
740
if (GTK_BIN (button)->child)
741
gtk_container_remove (GTK_CONTAINER (button),
742
GTK_BIN (button)->child);
744
if (button->use_stock &&
745
button->label_text &&
746
gtk_stock_lookup (button->label_text, &item))
749
image = g_object_ref (gtk_image_new_from_stock (button->label_text, GTK_ICON_SIZE_BUTTON));
751
label_text = item.label;
754
label_text = button->label_text;
759
g_object_set (priv->image,
760
"visible", show_image (button),
764
if (priv->image_position == GTK_POS_LEFT ||
765
priv->image_position == GTK_POS_RIGHT)
766
box = gtk_hbox_new (FALSE, image_spacing);
768
box = gtk_vbox_new (FALSE, image_spacing);
771
align = gtk_alignment_new (priv->xalign, priv->yalign, 0.0, 0.0);
773
align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
775
if (priv->image_position == GTK_POS_LEFT ||
776
priv->image_position == GTK_POS_TOP)
777
gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
779
gtk_box_pack_end (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
783
label = gtk_label_new_with_mnemonic (label_text);
784
gtk_label_set_mnemonic_widget (GTK_LABEL (label),
785
GTK_WIDGET (button));
787
if (priv->image_position == GTK_POS_RIGHT ||
788
priv->image_position == GTK_POS_BOTTOM)
789
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
791
gtk_box_pack_end (GTK_BOX (box), label, FALSE, FALSE, 0);
794
gtk_container_add (GTK_CONTAINER (button), align);
795
gtk_container_add (GTK_CONTAINER (align), box);
796
gtk_widget_show_all (align);
798
g_object_unref (image);
803
if (button->use_underline)
805
label = gtk_label_new_with_mnemonic (button->label_text);
806
gtk_label_set_mnemonic_widget (GTK_LABEL (label), GTK_WIDGET (button));
809
label = gtk_label_new (button->label_text);
812
gtk_misc_set_alignment (GTK_MISC (label), priv->xalign, priv->yalign);
814
gtk_widget_show (label);
815
gtk_container_add (GTK_CONTAINER (button), label);
820
gtk_button_new_with_label (const gchar *label)
822
return g_object_new (GTK_TYPE_BUTTON, "label", label, NULL);
826
* gtk_button_new_from_stock:
827
* @stock_id: the name of the stock item
829
* Creates a new #GtkButton containing the image and text from a stock item.
830
* Some stock ids have preprocessor macros like #GTK_STOCK_OK and
833
* If @stock_id is unknown, then it will be treated as a mnemonic
834
* label (as for gtk_button_new_with_mnemonic()).
836
* Returns: a new #GtkButton
839
gtk_button_new_from_stock (const gchar *stock_id)
841
return g_object_new (GTK_TYPE_BUTTON,
844
"use-underline", TRUE,
849
* gtk_button_new_with_mnemonic:
850
* @label: The text of the button, with an underscore in front of the
852
* @returns: a new #GtkButton
854
* Creates a new #GtkButton containing a label.
855
* If characters in @label are preceded by an underscore, they are underlined.
856
* If you need a literal underscore character in a label, use '__' (two
857
* underscores). The first underlined character represents a keyboard
858
* accelerator called a mnemonic.
859
* Pressing Alt and that key activates the button.
862
gtk_button_new_with_mnemonic (const gchar *label)
864
return g_object_new (GTK_TYPE_BUTTON, "label", label, "use-underline", TRUE, NULL);
868
gtk_button_pressed (GtkButton *button)
870
g_return_if_fail (GTK_IS_BUTTON (button));
873
g_signal_emit (button, button_signals[PRESSED], 0);
877
gtk_button_released (GtkButton *button)
879
g_return_if_fail (GTK_IS_BUTTON (button));
881
g_signal_emit (button, button_signals[RELEASED], 0);
885
gtk_button_clicked (GtkButton *button)
887
g_return_if_fail (GTK_IS_BUTTON (button));
889
g_signal_emit (button, button_signals[CLICKED], 0);
893
gtk_button_enter (GtkButton *button)
895
g_return_if_fail (GTK_IS_BUTTON (button));
897
g_signal_emit (button, button_signals[ENTER], 0);
901
gtk_button_leave (GtkButton *button)
903
g_return_if_fail (GTK_IS_BUTTON (button));
905
g_signal_emit (button, button_signals[LEAVE], 0);
909
gtk_button_set_relief (GtkButton *button,
910
GtkReliefStyle newrelief)
912
g_return_if_fail (GTK_IS_BUTTON (button));
914
if (newrelief != button->relief)
916
button->relief = newrelief;
917
g_object_notify (G_OBJECT (button), "relief");
918
gtk_widget_queue_draw (GTK_WIDGET (button));
923
gtk_button_get_relief (GtkButton *button)
925
g_return_val_if_fail (GTK_IS_BUTTON (button), GTK_RELIEF_NORMAL);
927
return button->relief;
931
gtk_button_realize (GtkWidget *widget)
934
GdkWindowAttr attributes;
935
gint attributes_mask;
938
button = GTK_BUTTON (widget);
939
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
941
border_width = GTK_CONTAINER (widget)->border_width;
943
attributes.window_type = GDK_WINDOW_CHILD;
944
attributes.x = widget->allocation.x + border_width;
945
attributes.y = widget->allocation.y + border_width;
946
attributes.width = widget->allocation.width - border_width * 2;
947
attributes.height = widget->allocation.height - border_width * 2;
948
attributes.wclass = GDK_INPUT_ONLY;
949
attributes.event_mask = gtk_widget_get_events (widget);
950
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
951
GDK_BUTTON_RELEASE_MASK |
952
GDK_ENTER_NOTIFY_MASK |
953
GDK_LEAVE_NOTIFY_MASK);
955
attributes_mask = GDK_WA_X | GDK_WA_Y;
957
widget->window = gtk_widget_get_parent_window (widget);
958
g_object_ref (widget->window);
960
button->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
961
&attributes, attributes_mask);
962
gdk_window_set_user_data (button->event_window, button);
964
widget->style = gtk_style_attach (widget->style, widget->window);
968
gtk_button_unrealize (GtkWidget *widget)
970
GtkButton *button = GTK_BUTTON (widget);
972
if (button->activate_timeout)
973
gtk_button_finish_activate (button, FALSE);
975
if (button->event_window)
977
gdk_window_set_user_data (button->event_window, NULL);
978
gdk_window_destroy (button->event_window);
979
button->event_window = NULL;
982
GTK_WIDGET_CLASS (gtk_button_parent_class)->unrealize (widget);
986
gtk_button_map (GtkWidget *widget)
988
GtkButton *button = GTK_BUTTON (widget);
990
GTK_WIDGET_CLASS (gtk_button_parent_class)->map (widget);
992
if (button->event_window)
993
gdk_window_show (button->event_window);
997
gtk_button_unmap (GtkWidget *widget)
999
GtkButton *button = GTK_BUTTON (widget);
1001
if (button->event_window)
1002
gdk_window_hide (button->event_window);
1004
GTK_WIDGET_CLASS (gtk_button_parent_class)->unmap (widget);
1008
gtk_button_update_image_spacing (GtkButton *button)
1010
GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
1014
/* Keep in sync with gtk_button_construct_child,
1015
* we only want to update the spacing if the box
1016
* was constructed there.
1018
if (!button->constructed || !priv->image)
1021
child = GTK_BIN (button)->child;
1022
if (GTK_IS_ALIGNMENT (child))
1024
child = GTK_BIN (child)->child;
1025
if (GTK_IS_BOX (child))
1027
gtk_widget_style_get (GTK_WIDGET (button),
1028
"image-spacing", &spacing,
1031
gtk_box_set_spacing (GTK_BOX (child), spacing);
1037
gtk_button_style_set (GtkWidget *widget,
1038
GtkStyle *prev_style)
1040
gtk_button_update_image_spacing (GTK_BUTTON (widget));
1044
gtk_button_get_props (GtkButton *button,
1045
GtkBorder *default_border,
1046
GtkBorder *default_outside_border,
1047
GtkBorder *inner_border,
1048
gboolean *interior_focus)
1050
GtkWidget *widget = GTK_WIDGET (button);
1051
GtkBorder *tmp_border;
1055
gtk_widget_style_get (widget, "default-border", &tmp_border, NULL);
1059
*default_border = *tmp_border;
1060
g_free (tmp_border);
1063
*default_border = default_default_border;
1066
if (default_outside_border)
1068
gtk_widget_style_get (widget, "default-outside-border", &tmp_border, NULL);
1072
*default_outside_border = *tmp_border;
1073
g_free (tmp_border);
1076
*default_outside_border = default_default_outside_border;
1081
gtk_widget_style_get (widget, "inner-border", &tmp_border, NULL);
1085
*inner_border = *tmp_border;
1086
g_free (tmp_border);
1089
*inner_border = default_inner_border;
1093
gtk_widget_style_get (widget, "interior-focus", interior_focus, NULL);
1097
gtk_button_size_request (GtkWidget *widget,
1098
GtkRequisition *requisition)
1100
GtkButton *button = GTK_BUTTON (widget);
1101
GtkBorder default_border;
1102
GtkBorder inner_border;
1106
gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
1107
gtk_widget_style_get (GTK_WIDGET (widget),
1108
"focus-line-width", &focus_width,
1109
"focus-padding", &focus_pad,
1112
requisition->width = ((GTK_CONTAINER (widget)->border_width +
1113
GTK_WIDGET (widget)->style->xthickness) * 2 +
1114
inner_border.left + inner_border.right);
1115
requisition->height = ((GTK_CONTAINER (widget)->border_width +
1116
GTK_WIDGET (widget)->style->ythickness) * 2 +
1117
inner_border.top + inner_border.bottom);
1119
if (GTK_WIDGET_CAN_DEFAULT (widget))
1121
requisition->width += default_border.left + default_border.right;
1122
requisition->height += default_border.top + default_border.bottom;
1125
if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
1127
GtkRequisition child_requisition;
1129
gtk_widget_size_request (GTK_BIN (button)->child, &child_requisition);
1131
requisition->width += child_requisition.width;
1132
requisition->height += child_requisition.height;
1135
requisition->width += 2 * (focus_width + focus_pad);
1136
requisition->height += 2 * (focus_width + focus_pad);
1140
gtk_button_size_allocate (GtkWidget *widget,
1141
GtkAllocation *allocation)
1143
GtkButton *button = GTK_BUTTON (widget);
1144
GtkAllocation child_allocation;
1146
gint border_width = GTK_CONTAINER (widget)->border_width;
1147
gint xthickness = GTK_WIDGET (widget)->style->xthickness;
1148
gint ythickness = GTK_WIDGET (widget)->style->ythickness;
1149
GtkBorder default_border;
1150
GtkBorder inner_border;
1154
gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
1155
gtk_widget_style_get (GTK_WIDGET (widget),
1156
"focus-line-width", &focus_width,
1157
"focus-padding", &focus_pad,
1161
widget->allocation = *allocation;
1163
if (GTK_WIDGET_REALIZED (widget))
1164
gdk_window_move_resize (button->event_window,
1165
widget->allocation.x + border_width,
1166
widget->allocation.y + border_width,
1167
widget->allocation.width - border_width * 2,
1168
widget->allocation.height - border_width * 2);
1170
if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
1172
child_allocation.x = widget->allocation.x + border_width + inner_border.left + xthickness;
1173
child_allocation.y = widget->allocation.y + border_width + inner_border.top + ythickness;
1175
child_allocation.width = MAX (1, widget->allocation.width -
1178
inner_border.right -
1180
child_allocation.height = MAX (1, widget->allocation.height -
1183
inner_border.bottom -
1186
if (GTK_WIDGET_CAN_DEFAULT (button))
1188
child_allocation.x += default_border.left;
1189
child_allocation.y += default_border.top;
1190
child_allocation.width = MAX (1, child_allocation.width - default_border.left - default_border.right);
1191
child_allocation.height = MAX (1, child_allocation.height - default_border.top - default_border.bottom);
1194
if (GTK_WIDGET_CAN_FOCUS (button))
1196
child_allocation.x += focus_width + focus_pad;
1197
child_allocation.y += focus_width + focus_pad;
1198
child_allocation.width = MAX (1, child_allocation.width - (focus_width + focus_pad) * 2);
1199
child_allocation.height = MAX (1, child_allocation.height - (focus_width + focus_pad) * 2);
1202
if (button->depressed)
1204
gint child_displacement_x;
1205
gint child_displacement_y;
1207
gtk_widget_style_get (widget,
1208
"child-displacement-x", &child_displacement_x,
1209
"child-displacement-y", &child_displacement_y,
1211
child_allocation.x += child_displacement_x;
1212
child_allocation.y += child_displacement_y;
1215
gtk_widget_size_allocate (GTK_BIN (button)->child, &child_allocation);
1220
_gtk_button_paint (GtkButton *button,
1222
GtkStateType state_type,
1223
GtkShadowType shadow_type,
1224
const gchar *main_detail,
1225
const gchar *default_detail)
1231
GtkBorder default_border;
1232
GtkBorder default_outside_border;
1233
gboolean interior_focus;
1237
if (GTK_WIDGET_DRAWABLE (button))
1239
widget = GTK_WIDGET (button);
1240
border_width = GTK_CONTAINER (widget)->border_width;
1242
gtk_button_get_props (button, &default_border, &default_outside_border, NULL, &interior_focus);
1243
gtk_widget_style_get (GTK_WIDGET (widget),
1244
"focus-line-width", &focus_width,
1245
"focus-padding", &focus_pad,
1248
x = widget->allocation.x + border_width;
1249
y = widget->allocation.y + border_width;
1250
width = widget->allocation.width - border_width * 2;
1251
height = widget->allocation.height - border_width * 2;
1253
if (GTK_WIDGET_HAS_DEFAULT (widget) &&
1254
GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
1256
gtk_paint_box (widget->style, widget->window,
1257
GTK_STATE_NORMAL, GTK_SHADOW_IN,
1258
area, widget, "buttondefault",
1259
x, y, width, height);
1261
x += default_border.left;
1262
y += default_border.top;
1263
width -= default_border.left + default_border.right;
1264
height -= default_border.top + default_border.bottom;
1266
else if (GTK_WIDGET_CAN_DEFAULT (widget))
1268
x += default_outside_border.left;
1269
y += default_outside_border.top;
1270
width -= default_outside_border.left + default_outside_border.right;
1271
height -= default_outside_border.top + default_outside_border.bottom;
1274
if (!interior_focus && GTK_WIDGET_HAS_FOCUS (widget))
1276
x += focus_width + focus_pad;
1277
y += focus_width + focus_pad;
1278
width -= 2 * (focus_width + focus_pad);
1279
height -= 2 * (focus_width + focus_pad);
1282
if (button->relief != GTK_RELIEF_NONE || button->depressed ||
1283
GTK_WIDGET_STATE(widget) == GTK_STATE_PRELIGHT)
1284
gtk_paint_box (widget->style, widget->window,
1286
shadow_type, area, widget, "button",
1287
x, y, width, height);
1289
if (GTK_WIDGET_HAS_FOCUS (widget))
1291
gint child_displacement_x;
1292
gint child_displacement_y;
1293
gboolean displace_focus;
1295
gtk_widget_style_get (GTK_WIDGET (widget),
1296
"child-displacement-y", &child_displacement_y,
1297
"child-displacement-x", &child_displacement_x,
1298
"displace-focus", &displace_focus,
1303
x += widget->style->xthickness + focus_pad;
1304
y += widget->style->ythickness + focus_pad;
1305
width -= 2 * (widget->style->xthickness + focus_pad);
1306
height -= 2 * (widget->style->ythickness + focus_pad);
1310
x -= focus_width + focus_pad;
1311
y -= focus_width + focus_pad;
1312
width += 2 * (focus_width + focus_pad);
1313
height += 2 * (focus_width + focus_pad);
1316
if (button->depressed && displace_focus)
1318
x += child_displacement_x;
1319
y += child_displacement_y;
1322
gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
1323
area, widget, "button",
1324
x, y, width, height);
1330
gtk_button_expose (GtkWidget *widget,
1331
GdkEventExpose *event)
1333
if (GTK_WIDGET_DRAWABLE (widget))
1335
GtkButton *button = GTK_BUTTON (widget);
1337
_gtk_button_paint (button, &event->area,
1338
GTK_WIDGET_STATE (widget),
1339
button->depressed ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
1340
"button", "buttondefault");
1342
(* GTK_WIDGET_CLASS (gtk_button_parent_class)->expose_event) (widget, event);
1349
gtk_button_button_press (GtkWidget *widget,
1350
GdkEventButton *event)
1354
if (event->type == GDK_BUTTON_PRESS)
1356
button = GTK_BUTTON (widget);
1358
if (button->focus_on_click && !GTK_WIDGET_HAS_FOCUS (widget))
1359
gtk_widget_grab_focus (widget);
1361
if (event->button == 1)
1362
gtk_button_pressed (button);
1369
gtk_button_button_release (GtkWidget *widget,
1370
GdkEventButton *event)
1374
if (event->button == 1)
1376
button = GTK_BUTTON (widget);
1377
gtk_button_released (button);
1384
gtk_button_grab_broken (GtkWidget *widget,
1385
GdkEventGrabBroken *event)
1387
GtkButton *button = GTK_BUTTON (widget);
1390
/* Simulate a button release without the pointer in the button */
1391
if (button->button_down)
1393
save_in = button->in_button;
1394
button->in_button = FALSE;
1395
gtk_button_released (button);
1396
if (save_in != button->in_button)
1398
button->in_button = save_in;
1399
gtk_button_update_state (button);
1407
gtk_button_key_release (GtkWidget *widget,
1410
GtkButton *button = GTK_BUTTON (widget);
1412
if (button->activate_timeout)
1414
gtk_button_finish_activate (button, TRUE);
1417
else if (GTK_WIDGET_CLASS (gtk_button_parent_class)->key_release_event)
1418
return GTK_WIDGET_CLASS (gtk_button_parent_class)->key_release_event (widget, event);
1424
gtk_button_enter_notify (GtkWidget *widget,
1425
GdkEventCrossing *event)
1428
GtkWidget *event_widget;
1430
button = GTK_BUTTON (widget);
1431
event_widget = gtk_get_event_widget ((GdkEvent*) event);
1433
if ((event_widget == widget) &&
1434
(event->detail != GDK_NOTIFY_INFERIOR))
1436
button->in_button = TRUE;
1437
gtk_button_enter (button);
1444
gtk_button_leave_notify (GtkWidget *widget,
1445
GdkEventCrossing *event)
1448
GtkWidget *event_widget;
1450
button = GTK_BUTTON (widget);
1451
event_widget = gtk_get_event_widget ((GdkEvent*) event);
1453
if ((event_widget == widget) &&
1454
(event->detail != GDK_NOTIFY_INFERIOR))
1456
button->in_button = FALSE;
1457
gtk_button_leave (button);
1464
gtk_real_button_pressed (GtkButton *button)
1466
if (button->activate_timeout)
1469
button->button_down = TRUE;
1470
gtk_button_update_state (button);
1474
gtk_real_button_released (GtkButton *button)
1476
if (button->button_down)
1478
button->button_down = FALSE;
1480
if (button->activate_timeout)
1483
if (button->in_button)
1484
gtk_button_clicked (button);
1486
gtk_button_update_state (button);
1491
button_activate_timeout (gpointer data)
1493
GDK_THREADS_ENTER ();
1495
gtk_button_finish_activate (data, TRUE);
1497
GDK_THREADS_LEAVE ();
1503
gtk_real_button_activate (GtkButton *button)
1505
GtkWidget *widget = GTK_WIDGET (button);
1506
GtkButtonPrivate *priv;
1509
priv = GTK_BUTTON_GET_PRIVATE (button);
1511
if (GTK_WIDGET_REALIZED (button) && !button->activate_timeout)
1513
time = gtk_get_current_event_time ();
1514
if (gdk_keyboard_grab (button->event_window, TRUE, time) ==
1517
priv->has_grab = TRUE;
1518
priv->grab_time = time;
1521
gtk_grab_add (widget);
1523
button->activate_timeout = g_timeout_add (ACTIVATE_TIMEOUT,
1524
button_activate_timeout,
1526
button->button_down = TRUE;
1527
gtk_button_update_state (button);
1528
gtk_widget_queue_draw (GTK_WIDGET (button));
1533
gtk_button_finish_activate (GtkButton *button,
1536
GtkWidget *widget = GTK_WIDGET (button);
1537
GtkButtonPrivate *priv;
1539
priv = GTK_BUTTON_GET_PRIVATE (button);
1541
g_source_remove (button->activate_timeout);
1542
button->activate_timeout = 0;
1546
gdk_display_keyboard_ungrab (gtk_widget_get_display (widget),
1549
gtk_grab_remove (widget);
1551
button->button_down = FALSE;
1553
gtk_button_update_state (button);
1554
gtk_widget_queue_draw (GTK_WIDGET (button));
1557
gtk_button_clicked (button);
1561
* gtk_button_set_label:
1562
* @button: a #GtkButton
1565
* Sets the text of the label of the button to @str. This text is
1566
* also used to select the stock item if gtk_button_set_use_stock()
1569
* This will also clear any previously set labels.
1572
gtk_button_set_label (GtkButton *button,
1577
g_return_if_fail (GTK_IS_BUTTON (button));
1579
new_label = g_strdup (label);
1580
g_free (button->label_text);
1581
button->label_text = new_label;
1583
gtk_button_construct_child (button);
1585
g_object_notify (G_OBJECT (button), "label");
1589
* gtk_button_get_label:
1590
* @button: a #GtkButton
1592
* Fetches the text from the label of the button, as set by
1593
* gtk_button_set_label(). If the label text has not
1594
* been set the return value will be %NULL. This will be the
1595
* case if you create an empty button with gtk_button_new() to
1596
* use as a container.
1598
* Return value: The text of the label widget. This string is owned
1599
* by the widget and must not be modified or freed.
1601
G_CONST_RETURN gchar *
1602
gtk_button_get_label (GtkButton *button)
1604
g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
1606
return button->label_text;
1610
* gtk_button_set_use_underline:
1611
* @button: a #GtkButton
1612
* @use_underline: %TRUE if underlines in the text indicate mnemonics
1614
* If true, an underline in the text of the button label indicates
1615
* the next character should be used for the mnemonic accelerator key.
1618
gtk_button_set_use_underline (GtkButton *button,
1619
gboolean use_underline)
1621
g_return_if_fail (GTK_IS_BUTTON (button));
1623
use_underline = use_underline != FALSE;
1625
if (use_underline != button->use_underline)
1627
button->use_underline = use_underline;
1629
gtk_button_construct_child (button);
1631
g_object_notify (G_OBJECT (button), "use-underline");
1636
* gtk_button_get_use_underline:
1637
* @button: a #GtkButton
1639
* Returns whether an embedded underline in the button label indicates a
1640
* mnemonic. See gtk_button_set_use_underline ().
1642
* Return value: %TRUE if an embedded underline in the button label
1643
* indicates the mnemonic accelerator keys.
1646
gtk_button_get_use_underline (GtkButton *button)
1648
g_return_val_if_fail (GTK_IS_BUTTON (button), FALSE);
1650
return button->use_underline;
1654
* gtk_button_set_use_stock:
1655
* @button: a #GtkButton
1656
* @use_stock: %TRUE if the button should use a stock item
1658
* If true, the label set on the button is used as a
1659
* stock id to select the stock item for the button.
1662
gtk_button_set_use_stock (GtkButton *button,
1665
g_return_if_fail (GTK_IS_BUTTON (button));
1667
use_stock = use_stock != FALSE;
1669
if (use_stock != button->use_stock)
1671
button->use_stock = use_stock;
1673
gtk_button_construct_child (button);
1675
g_object_notify (G_OBJECT (button), "use-stock");
1680
* gtk_button_get_use_stock:
1681
* @button: a #GtkButton
1683
* Returns whether the button label is a stock item.
1685
* Return value: %TRUE if the button label is used to
1686
* select a stock item instead of being
1687
* used directly as the label text.
1690
gtk_button_get_use_stock (GtkButton *button)
1692
g_return_val_if_fail (GTK_IS_BUTTON (button), FALSE);
1694
return button->use_stock;
1698
* gtk_button_set_focus_on_click:
1699
* @button: a #GtkButton
1700
* @focus_on_click: whether the button grabs focus when clicked with the mouse
1702
* Sets whether the button will grab focus when it is clicked with the mouse.
1703
* Making mouse clicks not grab focus is useful in places like toolbars where
1704
* you don't want the keyboard focus removed from the main area of the
1710
gtk_button_set_focus_on_click (GtkButton *button,
1711
gboolean focus_on_click)
1713
g_return_if_fail (GTK_IS_BUTTON (button));
1715
focus_on_click = focus_on_click != FALSE;
1717
if (button->focus_on_click != focus_on_click)
1719
button->focus_on_click = focus_on_click;
1721
g_object_notify (G_OBJECT (button), "focus-on-click");
1726
* gtk_button_get_focus_on_click:
1727
* @button: a #GtkButton
1729
* Returns whether the button grabs focus when it is clicked with the mouse.
1730
* See gtk_button_set_focus_on_click().
1732
* Return value: %TRUE if the button grabs focus when it is clicked with
1738
gtk_button_get_focus_on_click (GtkButton *button)
1740
g_return_val_if_fail (GTK_IS_BUTTON (button), FALSE);
1742
return button->focus_on_click;
1746
* gtk_button_set_alignment:
1747
* @button: a #GtkButton
1748
* @xalign: the horizontal position of the child, 0.0 is left aligned,
1749
* 1.0 is right aligned
1750
* @yalign: the vertical position of the child, 0.0 is top aligned,
1751
* 1.0 is bottom aligned
1753
* Sets the alignment of the child. This property has no effect unless
1754
* the child is a #GtkMisc or a #GtkAligment.
1759
gtk_button_set_alignment (GtkButton *button,
1763
GtkButtonPrivate *priv;
1765
g_return_if_fail (GTK_IS_BUTTON (button));
1767
priv = GTK_BUTTON_GET_PRIVATE (button);
1769
priv->xalign = xalign;
1770
priv->yalign = yalign;
1771
priv->align_set = 1;
1773
maybe_set_alignment (button, GTK_BIN (button)->child);
1775
g_object_freeze_notify (G_OBJECT (button));
1776
g_object_notify (G_OBJECT (button), "xalign");
1777
g_object_notify (G_OBJECT (button), "yalign");
1778
g_object_thaw_notify (G_OBJECT (button));
1782
* gtk_button_get_alignment:
1783
* @button: a #GtkButton
1784
* @xalign: return location for horizontal alignment
1785
* @yalign: return location for vertical alignment
1787
* Gets the alignment of the child in the button.
1792
gtk_button_get_alignment (GtkButton *button,
1796
GtkButtonPrivate *priv;
1798
g_return_if_fail (GTK_IS_BUTTON (button));
1800
priv = GTK_BUTTON_GET_PRIVATE (button);
1803
*xalign = priv->xalign;
1806
*yalign = priv->yalign;
1810
* _gtk_button_set_depressed:
1811
* @button: a #GtkButton
1812
* @depressed: %TRUE if the button should be drawn with a recessed shadow.
1814
* Sets whether the button is currently drawn as down or not. This is
1815
* purely a visual setting, and is meant only for use by derived widgets
1816
* such as #GtkToggleButton.
1819
_gtk_button_set_depressed (GtkButton *button,
1822
GtkWidget *widget = GTK_WIDGET (button);
1824
depressed = depressed != FALSE;
1826
if (depressed != button->depressed)
1828
button->depressed = depressed;
1829
gtk_widget_queue_resize (widget);
1834
gtk_button_update_state (GtkButton *button)
1837
GtkStateType new_state;
1839
if (button->activate_timeout)
1840
depressed = button->depress_on_activate;
1842
depressed = button->in_button && button->button_down;
1844
if (button->in_button && (!button->button_down || !depressed))
1845
new_state = GTK_STATE_PRELIGHT;
1847
new_state = depressed ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL;
1849
_gtk_button_set_depressed (button, depressed);
1850
gtk_widget_set_state (GTK_WIDGET (button), new_state);
1854
show_image_change_notify (GtkButton *button)
1856
GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
1860
if (show_image (button))
1861
gtk_widget_show (priv->image);
1863
gtk_widget_hide (priv->image);
1868
traverse_container (GtkWidget *widget,
1871
if (GTK_IS_BUTTON (widget))
1872
show_image_change_notify (GTK_BUTTON (widget));
1873
else if (GTK_IS_CONTAINER (widget))
1874
gtk_container_forall (GTK_CONTAINER (widget), traverse_container, NULL);
1878
gtk_button_setting_changed (GtkSettings *settings)
1882
list = gtk_window_list_toplevels ();
1884
for (l = list; l; l = l->next)
1885
gtk_container_forall (GTK_CONTAINER (l->data),
1886
traverse_container, NULL);
1893
gtk_button_screen_changed (GtkWidget *widget,
1894
GdkScreen *previous_screen)
1896
GtkSettings *settings;
1897
guint show_image_connection;
1899
if (!gtk_widget_has_screen (widget))
1902
settings = gtk_widget_get_settings (widget);
1904
show_image_connection =
1905
GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (settings),
1906
"gtk-button-connection"));
1908
if (show_image_connection)
1911
show_image_connection =
1912
g_signal_connect (settings, "notify::gtk-button-images",
1913
G_CALLBACK (gtk_button_setting_changed), 0);
1914
g_object_set_data (G_OBJECT (settings),
1915
I_("gtk-button-connection"),
1916
GUINT_TO_POINTER (show_image_connection));
1918
show_image_change_notify (GTK_BUTTON (widget));
1922
gtk_button_state_changed (GtkWidget *widget,
1923
GtkStateType previous_state)
1925
GtkButton *button = GTK_BUTTON (widget);
1927
if (!GTK_WIDGET_IS_SENSITIVE (widget))
1929
button->in_button = FALSE;
1930
gtk_real_button_released (button);
1935
gtk_button_grab_notify (GtkWidget *widget,
1936
gboolean was_grabbed)
1938
GtkButton *button = GTK_BUTTON (widget);
1943
save_in = button->in_button;
1944
button->in_button = FALSE;
1945
gtk_real_button_released (button);
1946
if (save_in != button->in_button)
1948
button->in_button = save_in;
1949
gtk_button_update_state (button);
1955
* gtk_button_set_image:
1956
* @button: a #GtkButton
1957
* @image: a widget to set as the image for the button
1959
* Set the image of @button to the given widget. Note that
1960
* it depends on the gtk-button-images setting whether the
1961
* image will be displayed or not, you don't have to call
1962
* gtk_widget_show() on @image yourself.
1967
gtk_button_set_image (GtkButton *button,
1970
GtkButtonPrivate *priv;
1972
g_return_if_fail (GTK_IS_BUTTON (button));
1973
g_return_if_fail (image == NULL || GTK_IS_WIDGET (image));
1975
priv = GTK_BUTTON_GET_PRIVATE (button);
1977
priv->image = image;
1978
priv->image_is_stock = (image == NULL);
1980
gtk_button_construct_child (button);
1982
g_object_notify (G_OBJECT (button), "image");
1986
* gtk_button_get_image:
1987
* @button: a #GtkButton
1989
* Gets the widget that is currenty set as the image of @button.
1990
* This may have been explicitly set by gtk_button_set_image()
1991
* or constructed by gtk_button_new_from_stock().
1993
* Return value: a #GtkWidget or %NULL in case there is no image
1998
gtk_button_get_image (GtkButton *button)
2000
GtkButtonPrivate *priv;
2002
g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
2004
priv = GTK_BUTTON_GET_PRIVATE (button);
2010
* gtk_button_set_image_position:
2011
* @button: a #GtkButton
2012
* @position: the position
2014
* Sets the position of the image relative to the text
2015
* inside the button.
2020
gtk_button_set_image_position (GtkButton *button,
2021
GtkPositionType position)
2024
GtkButtonPrivate *priv;
2026
g_return_if_fail (GTK_IS_BUTTON (button));
2027
g_return_if_fail (position >= GTK_POS_LEFT && position <= GTK_POS_BOTTOM);
2029
priv = GTK_BUTTON_GET_PRIVATE (button);
2031
if (priv->image_position != position)
2033
priv->image_position = position;
2035
gtk_button_construct_child (button);
2037
g_object_notify (G_OBJECT (button), "image-position");
2042
* gtk_button_get_image_position:
2043
* @button: a #GtkButton
2045
* Gets the position of the image relative to the text
2046
* inside the button.
2048
* Return value: the position
2053
gtk_button_get_image_position (GtkButton *button)
2055
GtkButtonPrivate *priv;
2057
g_return_val_if_fail (GTK_IS_BUTTON (button), GTK_POS_LEFT);
2059
priv = GTK_BUTTON_GET_PRIVATE (button);
2061
return priv->image_position;
2065
#define __GTK_BUTTON_C__
2066
#include "gtkaliasdef.c"
added
removed
gtk/gtkbutton.c
