* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+/**
+ * SECTION:gtkbutton
+ * @Short_description: A widget that creates a signal when clicked on
+ * @Title: GtkButton
+ *
+ * The #GtkButton widget is generally used to attach a function to that is
+ * called when the button is pressed. The various signals and how to use them
+ * are outlined below.
+ *
+ * The #GtkButton widget can hold any valid child widget. That is it can hold
+ * most any other standard #GtkWidget. The most commonly used child is the
+ * #GtkLabel.
+ */
+
#include "config.h"
#include <string.h>
#include "gtkalignment.h"
#include "gtkstock.h"
#include "gtkiconfactory.h"
#include "gtkactivatable.h"
+#include "gtksizerequest.h"
#include "gtkprivate.h"
#include "gtkintl.h"
-#include "gtkalias.h"
+
static const GtkBorder default_default_border = { 1, 1, 1, 1 };
static const GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
GtkWidget *image;
guint align_set : 1;
guint image_is_stock : 1;
- guint has_grab : 1;
guint use_action_appearance : 1;
guint32 grab_time;
+ GdkDevice *grab_keyboard;
GtkPositionType image_position;
GtkAction *action;
};
-static void gtk_button_destroy (GtkObject *object);
+static void gtk_button_destroy (GtkWidget *widget);
static void gtk_button_dispose (GObject *object);
static void gtk_button_set_property (GObject *object,
guint prop_id,
static void gtk_button_map (GtkWidget * widget);
static void gtk_button_unmap (GtkWidget * widget);
static void gtk_button_style_set (GtkWidget * widget, GtkStyle * prev_style);
-static void gtk_button_size_request (GtkWidget * widget,
- GtkRequisition * requisition);
static void gtk_button_size_allocate (GtkWidget * widget,
GtkAllocation * allocation);
-static gint gtk_button_expose (GtkWidget * widget, GdkEventExpose * event);
+static gint gtk_button_draw (GtkWidget * widget, cairo_t *cr);
static gint gtk_button_button_press (GtkWidget * widget,
GdkEventButton * event);
static gint gtk_button_button_release (GtkWidget * widget,
gboolean was_grabbed);
-static void gtk_button_activatable_interface_init (GtkActivatableIface *iface);
+static void gtk_button_activatable_interface_init(GtkActivatableIface *iface);
static void gtk_button_update (GtkActivatable *activatable,
GtkAction *action,
const gchar *property_name);
static void gtk_button_set_use_action_appearance (GtkButton *button,
gboolean use_appearance);
+static void gtk_button_get_preferred_width (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size);
+static void gtk_button_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size);
+
static guint button_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkButton, gtk_button, GTK_TYPE_BIN,
gtk_button_class_init (GtkButtonClass *klass)
{
GObjectClass *gobject_class;
- GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
gobject_class = G_OBJECT_CLASS (klass);
- object_class = (GtkObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
container_class = (GtkContainerClass*) klass;
gobject_class->set_property = gtk_button_set_property;
gobject_class->get_property = gtk_button_get_property;
- object_class->destroy = gtk_button_destroy;
-
+ widget_class->get_preferred_width = gtk_button_get_preferred_width;
+ widget_class->get_preferred_height = gtk_button_get_preferred_height;
+ widget_class->destroy = gtk_button_destroy;
widget_class->screen_changed = gtk_button_screen_changed;
widget_class->realize = gtk_button_realize;
widget_class->unrealize = gtk_button_unrealize;
widget_class->map = gtk_button_map;
widget_class->unmap = gtk_button_unmap;
widget_class->style_set = gtk_button_style_set;
- widget_class->size_request = gtk_button_size_request;
widget_class->size_allocate = gtk_button_size_allocate;
- widget_class->expose_event = gtk_button_expose;
+ widget_class->draw = gtk_button_draw;
widget_class->button_press_event = gtk_button_button_press;
widget_class->button_release_event = gtk_button_button_release;
widget_class->grab_broken_event = gtk_button_grab_broken;
container_class->child_type = gtk_button_child_type;
container_class->add = gtk_button_add;
+ gtk_container_class_handle_border_width (container_class);
klass->pressed = gtk_real_button_pressed;
klass->released = gtk_real_button_released;
* If the child of the button is a #GtkMisc or #GtkAlignment, this property
* can be used to control it's horizontal alignment. 0.0 is left aligned,
* 1.0 is right aligned.
- *
+ *
* Since: 2.4
*/
g_object_class_install_property (gobject_class,
* If the child of the button is a #GtkMisc or #GtkAlignment, this property
* can be used to control it's vertical alignment. 0.0 is top aligned,
* 1.0 is bottom aligned.
- *
+ *
* Since: 2.4
*/
g_object_class_install_property (gobject_class,
/**
* GtkButton::image:
- *
+ *
* The child widget to appear next to the button text.
- *
+ *
* Since: 2.6
*/
g_object_class_install_property (gobject_class,
* GtkButton:image-position:
*
* The position of the image relative to the text inside the button.
- *
+ *
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
* @button: the object that received the signal
*
* Emitted when the button is pressed.
- *
+ *
* Deprecated: 2.8: Use the #GtkWidget::button-press-event signal.
*/
button_signals[PRESSED] =
g_signal_new (I_("pressed"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkButtonClass, pressed),
NULL, NULL,
* @button: the object that received the signal
*
* Emitted when the button is released.
- *
+ *
* Deprecated: 2.8: Use the #GtkWidget::button-release-event signal.
*/
button_signals[RELEASED] =
g_signal_new (I_("released"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkButtonClass, released),
NULL, NULL,
*/
button_signals[CLICKED] =
g_signal_new (I_("clicked"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkButtonClass, clicked),
NULL, NULL,
* @button: the object that received the signal
*
* Emitted when the pointer enters the button.
- *
+ *
* Deprecated: 2.8: Use the #GtkWidget::enter-notify-event signal.
*/
button_signals[ENTER] =
g_signal_new (I_("enter"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkButtonClass, enter),
NULL, NULL,
* @button: the object that received the signal
*
* Emitted when the pointer leaves the button.
- *
+ *
* Deprecated: 2.8: Use the #GtkWidget::leave-notify-event signal.
*/
button_signals[LEAVE] =
g_signal_new (I_("leave"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkButtonClass, leave),
NULL, NULL,
*/
button_signals[ACTIVATE] =
g_signal_new (I_("activate"),
- G_OBJECT_CLASS_TYPE (object_class),
+ G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkButtonClass, activate),
NULL, NULL,
G_TYPE_NONE, 0);
widget_class->activate_signal = button_signals[ACTIVATE];
+ /**
+ * GtkButton:default-border:
+ *
+ * The "default-border" style property defines the extra space to add
+ * around a button that can become the default widget of its window.
+ * For more information about default widgets, see gtk_widget_grab_default().
+ */
+
gtk_widget_class_install_style_property (widget_class,
g_param_spec_boxed ("default-border",
P_("Default Spacing"),
- P_("Extra space to add for CAN_DEFAULT buttons"),
+ P_("Extra space to add for GTK_CAN_DEFAULT buttons"),
GTK_TYPE_BORDER,
GTK_PARAM_READABLE));
+ /**
+ * GtkButton:default-outside-border:
+ *
+ * The "default-outside-border" style property defines the extra outside
+ * space to add around a button that can become the default widget of its
+ * window. Extra outside space is always drawn outside the button border.
+ * For more information about default widgets, see gtk_widget_grab_default().
+ */
gtk_widget_class_install_style_property (widget_class,
g_param_spec_boxed ("default-outside-border",
P_("Default Outside Spacing"),
- P_("Extra space to add for CAN_DEFAULT buttons that is always drawn outside the border"),
+ P_("Extra space to add for GTK_CAN_DEFAULT buttons that is always drawn outside the border"),
GTK_TYPE_BORDER,
GTK_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
/**
* GtkButton::image-spacing:
- *
+ *
* Spacing in pixels between the image and label.
- *
+ *
* Since: 2.10
*/
gtk_widget_class_install_style_property (widget_class,
2,
GTK_PARAM_READABLE));
- /**
- * GtkSettings::gtk-button-images:
- *
- * Whether images should be shown on buttons
- *
- * Since: 2.4
- */
- gtk_settings_install_property (g_param_spec_boolean ("gtk-button-images",
- P_("Show button images"),
- P_("Whether images should be shown on buttons"),
- TRUE,
- GTK_PARAM_READWRITE));
-
g_type_class_add_private (gobject_class, sizeof (GtkButtonPrivate));
}
{
GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
- GTK_WIDGET_SET_FLAGS (button, GTK_CAN_FOCUS | GTK_RECEIVES_DEFAULT);
- GTK_WIDGET_SET_FLAGS (button, GTK_NO_WINDOW);
+ gtk_widget_set_can_focus (GTK_WIDGET (button), TRUE);
+ gtk_widget_set_receives_default (GTK_WIDGET (button), TRUE);
+ gtk_widget_set_has_window (GTK_WIDGET (button), FALSE);
button->label_text = NULL;
}
static void
-gtk_button_destroy (GtkObject *object)
+gtk_button_destroy (GtkWidget *widget)
{
- GtkButton *button = GTK_BUTTON (object);
-
+ GtkButton *button = GTK_BUTTON (widget);
+
if (button->label_text)
{
g_free (button->label_text);
button->label_text = NULL;
}
- GTK_OBJECT_CLASS (gtk_button_parent_class)->destroy (object);
+ GTK_WIDGET_CLASS (gtk_button_parent_class)->destroy (widget);
}
static GObject*
static GType
gtk_button_child_type (GtkContainer *container)
{
- if (!GTK_BIN (container)->child)
+ if (!gtk_bin_get_child (GTK_BIN (container)))
return GTK_TYPE_WIDGET;
else
return G_TYPE_NONE;
else if (GTK_IS_ALIGNMENT (widget))
{
GtkAlignment *alignment = GTK_ALIGNMENT (widget);
+ gfloat xscale, yscale;
+
+ g_object_get (alignment,
+ "xscale", &xscale,
+ "yscale", &yscale,
+ NULL);
if (priv->align_set)
- gtk_alignment_set (alignment, priv->xalign, priv->yalign,
- alignment->xscale, alignment->yscale);
+ gtk_alignment_set (alignment,
+ priv->xalign, priv->yalign,
+ xscale, yscale);
}
}
activatable_update_short_label (GtkButton *button,
GtkAction *action)
{
+ GtkWidget *child;
GtkWidget *image;
if (gtk_button_get_use_stock (button))
image = gtk_button_get_image (button);
/* Dont touch custom child... */
+ child = gtk_bin_get_child (GTK_BIN (button));
if (GTK_IS_IMAGE (image) ||
- GTK_BIN (button)->child == NULL ||
- GTK_IS_LABEL (GTK_BIN (button)->child))
+ child == NULL ||
+ GTK_IS_LABEL (child))
{
gtk_button_set_label (button, gtk_action_get_short_label (action));
gtk_button_set_use_underline (button, TRUE);
}
}
+/**
+ * gtk_button_new:
+ *
+ * Creates a new #GtkButton widget. To add a child widget to the button,
+ * use gtk_container_add().
+ *
+ * Returns: The newly created #GtkButton widget.
+ */
GtkWidget*
gtk_button_new (void)
{
{
GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
GtkStockItem item;
+ GtkWidget *child;
GtkWidget *label;
GtkWidget *box;
GtkWidget *align;
if (priv->image && !priv->image_is_stock)
{
+ GtkWidget *parent;
+
image = g_object_ref (priv->image);
- if (image->parent)
- gtk_container_remove (GTK_CONTAINER (image->parent), image);
+
+ parent = gtk_widget_get_parent (image);
+ if (parent)
+ gtk_container_remove (GTK_CONTAINER (parent), image);
}
priv->image = NULL;
- if (GTK_BIN (button)->child)
- gtk_container_remove (GTK_CONTAINER (button),
- GTK_BIN (button)->child);
+ child = gtk_bin_get_child (GTK_BIN (button));
+ if (child)
+ gtk_container_remove (GTK_CONTAINER (button), child);
if (button->use_stock &&
button->label_text &&
if (priv->image_position == GTK_POS_LEFT ||
priv->image_position == GTK_POS_RIGHT)
- box = gtk_hbox_new (FALSE, image_spacing);
+ box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, image_spacing);
else
- box = gtk_vbox_new (FALSE, image_spacing);
+ box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, image_spacing);
if (priv->align_set)
align = gtk_alignment_new (priv->xalign, priv->yalign, 0.0, 0.0);
}
+/**
+ * gtk_button_new_with_label:
+ * @label: The text you want the #GtkLabel to hold.
+ *
+ * Creates a #GtkButton widget with a #GtkLabel child containing the given
+ * text.
+ *
+ * Returns: The newly created #GtkButton widget.
+ */
GtkWidget*
gtk_button_new_with_label (const gchar *label)
{
return g_object_new (GTK_TYPE_BUTTON, "label", label, "use-underline", TRUE, NULL);
}
+/**
+ * gtk_button_pressed:
+ * @button: The #GtkButton you want to send the signal to.
+ *
+ * Emits a #GtkButton::pressed signal to the given #GtkButton.
+ *
+ * Deprecated: 2.20: Use the #GtkWidget::button-press-event signal.
+ */
void
gtk_button_pressed (GtkButton *button)
{
g_signal_emit (button, button_signals[PRESSED], 0);
}
+/**
+ * gtk_button_released:
+ * @button: The #GtkButton you want to send the signal to.
+ *
+ * Emits a #GtkButton::released signal to the given #GtkButton.
+ *
+ * Deprecated: 2.20: Use the #GtkWidget::button-release-event signal.
+ */
void
gtk_button_released (GtkButton *button)
{
g_signal_emit (button, button_signals[RELEASED], 0);
}
+/**
+ * gtk_button_clicked:
+ * @button: The #GtkButton you want to send the signal to.
+ *
+ * Emits a #GtkButton::clicked signal to the given #GtkButton.
+ */
void
gtk_button_clicked (GtkButton *button)
{
g_signal_emit (button, button_signals[CLICKED], 0);
}
+/**
+ * gtk_button_enter:
+ * @button: The #GtkButton you want to send the signal to.
+ *
+ * Emits a #GtkButton::enter signal to the given #GtkButton.
+ *
+ * Deprecated: 2.20: Use the #GtkWidget::enter-notify-event signal.
+ */
void
gtk_button_enter (GtkButton *button)
{
g_signal_emit (button, button_signals[ENTER], 0);
}
+/**
+ * gtk_button_leave:
+ * @button: The #GtkButton you want to send the signal to.
+ *
+ * Emits a #GtkButton::leave signal to the given #GtkButton.
+ *
+ * Deprecated: 2.20: Use the #GtkWidget::leave-notify-event signal.
+ */
void
gtk_button_leave (GtkButton *button)
{
g_signal_emit (button, button_signals[LEAVE], 0);
}
+/**
+ * gtk_button_set_relief:
+ * @button: The #GtkButton you want to set relief styles of.
+ * @newstyle: The GtkReliefStyle as described above.
+ *
+ * Sets the relief style of the edges of the given #GtkButton widget.
+ * Three styles exist, GTK_RELIEF_NORMAL, GTK_RELIEF_HALF, GTK_RELIEF_NONE.
+ * The default style is, as one can guess, GTK_RELIEF_NORMAL.
+ *
+ * <!-- FIXME: put pictures of each style -->
+ */
void
gtk_button_set_relief (GtkButton *button,
GtkReliefStyle newrelief)
}
}
+/**
+ * gtk_button_get_relief:
+ * @button: The #GtkButton you want the #GtkReliefStyle from.
+ *
+ * Returns the current relief style of the given #GtkButton.
+ *
+ * Returns: The current #GtkReliefStyle
+ */
GtkReliefStyle
gtk_button_get_relief (GtkButton *button)
{
static void
gtk_button_realize (GtkWidget *widget)
{
- GtkButton *button;
+ GtkButton *button = GTK_BUTTON (widget);
+ GtkAllocation allocation;
+ GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
- gint border_width;
- button = GTK_BUTTON (widget);
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+ gtk_widget_get_allocation (widget, &allocation);
- border_width = GTK_CONTAINER (widget)->border_width;
+ gtk_widget_set_realized (widget, TRUE);
attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = widget->allocation.x + border_width;
- attributes.y = widget->allocation.y + border_width;
- attributes.width = widget->allocation.width - border_width * 2;
- attributes.height = widget->allocation.height - border_width * 2;
+ attributes.x = allocation.x;
+ attributes.y = allocation.y;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
attributes_mask = GDK_WA_X | GDK_WA_Y;
- widget->window = gtk_widget_get_parent_window (widget);
- g_object_ref (widget->window);
-
- button->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ window = gtk_widget_get_parent_window (widget);
+ gtk_widget_set_window (widget, window);
+ g_object_ref (window);
+
+ button->event_window = gdk_window_new (window,
&attributes, attributes_mask);
gdk_window_set_user_data (button->event_window, button);
- widget->style = gtk_style_attach (widget->style, widget->window);
+ gtk_widget_style_attach (widget);
}
static void
if (!button->constructed || !priv->image)
return;
- child = GTK_BIN (button)->child;
+ child = gtk_bin_get_child (GTK_BIN (button));
if (GTK_IS_ALIGNMENT (child))
{
- child = GTK_BIN (child)->child;
+ child = gtk_bin_get_child (GTK_BIN (child));
if (GTK_IS_BOX (child))
{
gtk_widget_style_get (GTK_WIDGET (button),
if (interior_focus)
gtk_widget_style_get (widget, "interior-focus", interior_focus, NULL);
}
-
-static void
-gtk_button_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- GtkButton *button = GTK_BUTTON (widget);
- GtkBorder default_border;
- GtkBorder inner_border;
- gint focus_width;
- gint focus_pad;
-
- gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
- gtk_widget_style_get (GTK_WIDGET (widget),
- "focus-line-width", &focus_width,
- "focus-padding", &focus_pad,
- NULL);
-
- requisition->width = ((GTK_CONTAINER (widget)->border_width +
- GTK_WIDGET (widget)->style->xthickness) * 2 +
- inner_border.left + inner_border.right);
- requisition->height = ((GTK_CONTAINER (widget)->border_width +
- GTK_WIDGET (widget)->style->ythickness) * 2 +
- inner_border.top + inner_border.bottom);
-
- if (GTK_WIDGET_CAN_DEFAULT (widget))
- {
- requisition->width += default_border.left + default_border.right;
- requisition->height += default_border.top + default_border.bottom;
- }
-
- if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
- {
- GtkRequisition child_requisition;
-
- gtk_widget_size_request (GTK_BIN (button)->child, &child_requisition);
-
- requisition->width += child_requisition.width;
- requisition->height += child_requisition.height;
- }
-
- requisition->width += 2 * (focus_width + focus_pad);
- requisition->height += 2 * (focus_width + focus_pad);
-}
static void
gtk_button_size_allocate (GtkWidget *widget,
{
GtkButton *button = GTK_BUTTON (widget);
GtkAllocation child_allocation;
+ GtkStyle *style;
+ GtkWidget *child;
- gint border_width = GTK_CONTAINER (widget)->border_width;
- gint xthickness = GTK_WIDGET (widget)->style->xthickness;
- gint ythickness = GTK_WIDGET (widget)->style->ythickness;
+ gint xthickness, ythickness;
GtkBorder default_border;
GtkBorder inner_border;
gint focus_width;
gint focus_pad;
+ style = gtk_widget_get_style (widget);
+ xthickness = style->xthickness;
+ ythickness = style->ythickness;
+
gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
gtk_widget_style_get (GTK_WIDGET (widget),
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
NULL);
-
-
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
+ gtk_widget_set_allocation (widget, allocation);
+
+ if (gtk_widget_get_realized (widget))
gdk_window_move_resize (button->event_window,
- widget->allocation.x + border_width,
- widget->allocation.y + border_width,
- widget->allocation.width - border_width * 2,
- widget->allocation.height - border_width * 2);
+ allocation->x,
+ allocation->y,
+ allocation->width,
+ allocation->height);
- if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
+ child = gtk_bin_get_child (GTK_BIN (button));
+ if (child && gtk_widget_get_visible (child))
{
- child_allocation.x = widget->allocation.x + border_width + inner_border.left + xthickness;
- child_allocation.y = widget->allocation.y + border_width + inner_border.top + ythickness;
-
- child_allocation.width = MAX (1, widget->allocation.width -
- xthickness * 2 -
- inner_border.left -
- inner_border.right -
- border_width * 2);
- child_allocation.height = MAX (1, widget->allocation.height -
- ythickness * 2 -
- inner_border.top -
- inner_border.bottom -
- border_width * 2);
-
- if (GTK_WIDGET_CAN_DEFAULT (button))
+ child_allocation.x = allocation->x + inner_border.left + xthickness;
+ child_allocation.y = allocation->y + inner_border.top + ythickness;
+
+ child_allocation.width =
+ allocation->width -
+ xthickness * 2 -
+ inner_border.left -
+ inner_border.right;
+
+ child_allocation.height =
+ allocation->height -
+ ythickness * 2 -
+ inner_border.top -
+ inner_border.bottom;
+
+ if (gtk_widget_get_can_default (GTK_WIDGET (button)))
{
child_allocation.x += default_border.left;
child_allocation.y += default_border.top;
- child_allocation.width = MAX (1, child_allocation.width - default_border.left - default_border.right);
- child_allocation.height = MAX (1, child_allocation.height - default_border.top - default_border.bottom);
+ child_allocation.width = child_allocation.width - default_border.left - default_border.right;
+ child_allocation.height = child_allocation.height - default_border.top - default_border.bottom;
}
- if (GTK_WIDGET_CAN_FOCUS (button))
+ if (gtk_widget_get_can_focus (GTK_WIDGET (button)))
{
child_allocation.x += focus_width + focus_pad;
child_allocation.y += focus_width + focus_pad;
- child_allocation.width = MAX (1, child_allocation.width - (focus_width + focus_pad) * 2);
- child_allocation.height = MAX (1, child_allocation.height - (focus_width + focus_pad) * 2);
+ child_allocation.width = child_allocation.width - (focus_width + focus_pad) * 2;
+ child_allocation.height = child_allocation.height - (focus_width + focus_pad) * 2;
}
if (button->depressed)
child_allocation.y += child_displacement_y;
}
- gtk_widget_size_allocate (GTK_BIN (button)->child, &child_allocation);
+ child_allocation.width = MAX (1, child_allocation.width);
+ child_allocation.height = MAX (1, child_allocation.height);
+
+ gtk_widget_size_allocate (child, &child_allocation);
}
}
void
_gtk_button_paint (GtkButton *button,
- const GdkRectangle *area,
+ cairo_t *cr,
+ int width,
+ int height,
GtkStateType state_type,
GtkShadowType shadow_type,
const gchar *main_detail,
const gchar *default_detail)
{
GtkWidget *widget;
- gint width, height;
gint x, y;
- gint border_width;
GtkBorder default_border;
GtkBorder default_outside_border;
gboolean interior_focus;
gint focus_width;
gint focus_pad;
+ GtkAllocation allocation;
+ GdkWindow *window;
+ GtkStyle *style;
+
+ widget = GTK_WIDGET (button);
+
+ gtk_button_get_props (button, &default_border, &default_outside_border, NULL, &interior_focus);
+ gtk_widget_style_get (widget,
+ "focus-line-width", &focus_width,
+ "focus-padding", &focus_pad,
+ NULL);
+
+ gtk_widget_get_allocation (widget, &allocation);
+ style = gtk_widget_get_style (widget);
+ window = gtk_widget_get_window (widget);
+
+ x = 0;
+ y = 0;
+
+ if (gtk_widget_has_default (widget) &&
+ GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
+ {
+ gtk_paint_box (style, cr,
+ GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ widget, "buttondefault",
+ x, y, width, height);
+
+ x += default_border.left;
+ y += default_border.top;
+ width -= default_border.left + default_border.right;
+ height -= default_border.top + default_border.bottom;
+ }
+ else if (gtk_widget_get_can_default (widget))
+ {
+ x += default_outside_border.left;
+ y += default_outside_border.top;
+ width -= default_outside_border.left + default_outside_border.right;
+ height -= default_outside_border.top + default_outside_border.bottom;
+ }
- if (GTK_WIDGET_DRAWABLE (button))
+ if (!interior_focus && gtk_widget_has_focus (widget))
{
- widget = GTK_WIDGET (button);
- border_width = GTK_CONTAINER (widget)->border_width;
-
- gtk_button_get_props (button, &default_border, &default_outside_border, NULL, &interior_focus);
- gtk_widget_style_get (GTK_WIDGET (widget),
- "focus-line-width", &focus_width,
- "focus-padding", &focus_pad,
- NULL);
-
- x = widget->allocation.x + border_width;
- y = widget->allocation.y + border_width;
- width = widget->allocation.width - border_width * 2;
- height = widget->allocation.height - border_width * 2;
-
- if (GTK_WIDGET_HAS_DEFAULT (widget) &&
- GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
- {
- gtk_paint_box (widget->style, widget->window,
- GTK_STATE_NORMAL, GTK_SHADOW_IN,
- area, widget, "buttondefault",
- x, y, width, height);
-
- x += default_border.left;
- y += default_border.top;
- width -= default_border.left + default_border.right;
- height -= default_border.top + default_border.bottom;
- }
- else if (GTK_WIDGET_CAN_DEFAULT (widget))
- {
- x += default_outside_border.left;
- y += default_outside_border.top;
- width -= default_outside_border.left + default_outside_border.right;
- height -= default_outside_border.top + default_outside_border.bottom;
- }
-
- if (!interior_focus && GTK_WIDGET_HAS_FOCUS (widget))
- {
- x += focus_width + focus_pad;
- y += focus_width + focus_pad;
- width -= 2 * (focus_width + focus_pad);
- height -= 2 * (focus_width + focus_pad);
- }
+ x += focus_width + focus_pad;
+ y += focus_width + focus_pad;
+ width -= 2 * (focus_width + focus_pad);
+ height -= 2 * (focus_width + focus_pad);
+ }
- if (button->relief != GTK_RELIEF_NONE || button->depressed ||
- GTK_WIDGET_STATE(widget) == GTK_STATE_PRELIGHT)
- gtk_paint_box (widget->style, widget->window,
- state_type,
- shadow_type, area, widget, "button",
- x, y, width, height);
-
- if (GTK_WIDGET_HAS_FOCUS (widget))
- {
- gint child_displacement_x;
- gint child_displacement_y;
- gboolean displace_focus;
-
- gtk_widget_style_get (GTK_WIDGET (widget),
- "child-displacement-y", &child_displacement_y,
- "child-displacement-x", &child_displacement_x,
- "displace-focus", &displace_focus,
- NULL);
+ if (button->relief != GTK_RELIEF_NONE || button->depressed ||
+ gtk_widget_get_state(widget) == GTK_STATE_PRELIGHT)
+ gtk_paint_box (style, cr,
+ state_type,
+ shadow_type, widget, "button",
+ x, y, width, height);
+
+ if (gtk_widget_has_focus (widget))
+ {
+ gint child_displacement_x;
+ gint child_displacement_y;
+ gboolean displace_focus;
+
+ gtk_widget_style_get (widget,
+ "child-displacement-y", &child_displacement_y,
+ "child-displacement-x", &child_displacement_x,
+ "displace-focus", &displace_focus,
+ NULL);
- if (interior_focus)
- {
- x += widget->style->xthickness + focus_pad;
- y += widget->style->ythickness + focus_pad;
- width -= 2 * (widget->style->xthickness + focus_pad);
- height -= 2 * (widget->style->ythickness + focus_pad);
- }
- else
- {
- x -= focus_width + focus_pad;
- y -= focus_width + focus_pad;
- width += 2 * (focus_width + focus_pad);
- height += 2 * (focus_width + focus_pad);
- }
-
- if (button->depressed && displace_focus)
- {
- x += child_displacement_x;
- y += child_displacement_y;
- }
-
- gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
- area, widget, "button",
- x, y, width, height);
- }
+ if (interior_focus)
+ {
+ x += style->xthickness + focus_pad;
+ y += style->ythickness + focus_pad;
+ width -= 2 * (style->xthickness + focus_pad);
+ height -= 2 * (style->ythickness + focus_pad);
+ }
+ else
+ {
+ x -= focus_width + focus_pad;
+ y -= focus_width + focus_pad;
+ width += 2 * (focus_width + focus_pad);
+ height += 2 * (focus_width + focus_pad);
+ }
+
+ if (button->depressed && displace_focus)
+ {
+ x += child_displacement_x;
+ y += child_displacement_y;
+ }
+
+ gtk_paint_focus (style, cr,
+ gtk_widget_get_state (widget),
+ widget, "button",
+ x, y, width, height);
}
}
static gboolean
-gtk_button_expose (GtkWidget *widget,
- GdkEventExpose *event)
+gtk_button_draw (GtkWidget *widget,
+ cairo_t *cr)
{
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- GtkButton *button = GTK_BUTTON (widget);
-
- _gtk_button_paint (button, &event->area,
- GTK_WIDGET_STATE (widget),
- button->depressed ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
- "button", "buttondefault");
+ GtkButton *button = GTK_BUTTON (widget);
+
+ _gtk_button_paint (button, cr,
+ gtk_widget_get_allocated_width (widget),
+ gtk_widget_get_allocated_height (widget),
+ gtk_widget_get_state (widget),
+ button->depressed ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+ "button", "buttondefault");
- GTK_WIDGET_CLASS (gtk_button_parent_class)->expose_event (widget, event);
- }
+ GTK_WIDGET_CLASS (gtk_button_parent_class)->draw (widget, cr);
return FALSE;
}
{
button = GTK_BUTTON (widget);
- if (button->focus_on_click && !GTK_WIDGET_HAS_FOCUS (widget))
+ if (button->focus_on_click && !gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
if (event->button == 1)
GdkEventCrossing *event)
{
GtkButton *button;
- GtkWidget *event_widget;
button = GTK_BUTTON (widget);
- event_widget = gtk_get_event_widget ((GdkEvent*) event);
- if ((event_widget == widget) &&
+ if ((event->window == button->event_window) &&
(event->detail != GDK_NOTIFY_INFERIOR))
{
button->in_button = TRUE;
GdkEventCrossing *event)
{
GtkButton *button;
- GtkWidget *event_widget;
button = GTK_BUTTON (widget);
- event_widget = gtk_get_event_widget ((GdkEvent*) event);
- if ((event_widget == widget) &&
+ if ((event->window == button->event_window) &&
(event->detail != GDK_NOTIFY_INFERIOR) &&
- (GTK_WIDGET_SENSITIVE (event_widget)))
+ (gtk_widget_get_sensitive (widget)))
{
button->in_button = FALSE;
gtk_button_leave (button);
{
GtkWidget *widget = GTK_WIDGET (button);
GtkButtonPrivate *priv;
+ GdkDevice *device;
guint32 time;
priv = GTK_BUTTON_GET_PRIVATE (button);
+ device = gtk_get_current_event_device ();
+
+ if (device && device->source != GDK_SOURCE_KEYBOARD)
+ device = gdk_device_get_associated_device (device);
+
+ g_return_if_fail (device && device->source == GDK_SOURCE_KEYBOARD);
- if (GTK_WIDGET_REALIZED (button) && !button->activate_timeout)
+ if (gtk_widget_get_realized (widget) && !button->activate_timeout)
{
time = gtk_get_current_event_time ();
- if (gdk_keyboard_grab (button->event_window, TRUE, time) ==
- GDK_GRAB_SUCCESS)
- {
- priv->has_grab = TRUE;
+
+ if (gdk_device_grab (device, button->event_window,
+ GDK_OWNERSHIP_WINDOW, TRUE,
+ GDK_KEY_PRESS | GDK_KEY_RELEASE,
+ NULL, time) == GDK_GRAB_SUCCESS)
+ {
+ gtk_device_grab_add (widget, device, TRUE);
+ priv->grab_keyboard = device;
priv->grab_time = time;
}
- gtk_grab_add (widget);
-
button->activate_timeout = gdk_threads_add_timeout (ACTIVATE_TIMEOUT,
button_activate_timeout,
button);
g_source_remove (button->activate_timeout);
button->activate_timeout = 0;
- if (priv->has_grab)
+ if (priv->grab_keyboard)
{
- gdk_display_keyboard_ungrab (gtk_widget_get_display (widget),
- priv->grab_time);
+ gdk_device_ungrab (priv->grab_keyboard, priv->grab_time);
+ gtk_device_grab_remove (widget, priv->grab_keyboard);
+ priv->grab_keyboard = NULL;
}
- gtk_grab_remove (widget);
button->button_down = FALSE;
gtk_button_clicked (button);
}
+
+static void
+gtk_button_get_size (GtkWidget *widget,
+ GtkOrientation orientation,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ GtkButton *button = GTK_BUTTON (widget);
+ GtkStyle *style;
+ GtkWidget *child;
+ GtkBorder default_border;
+ GtkBorder inner_border;
+ gint focus_width;
+ gint focus_pad;
+ gint minimum, natural;
+
+ gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
+ gtk_widget_style_get (GTK_WIDGET (widget),
+ "focus-line-width", &focus_width,
+ "focus-padding", &focus_pad,
+ NULL);
+
+ style = gtk_widget_get_style (GTK_WIDGET (widget));
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ minimum = (style->xthickness * 2 +
+ inner_border.left + inner_border.right);
+
+ if (gtk_widget_get_can_default (GTK_WIDGET (widget)))
+ minimum += default_border.left + default_border.right;
+ }
+ else
+ {
+ minimum = (style->ythickness * 2 +
+ inner_border.top + inner_border.bottom);
+
+ if (gtk_widget_get_can_default (GTK_WIDGET (widget)))
+ minimum += default_border.top + default_border.bottom;
+ }
+
+ minimum += 2 * (focus_width + focus_pad);
+ natural = minimum;
+
+ if ((child = gtk_bin_get_child (GTK_BIN (button))) &&
+ gtk_widget_get_visible (child))
+ {
+ gint child_min, child_nat;
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ gtk_widget_get_preferred_width (child, &child_min, &child_nat);
+ else
+ gtk_widget_get_preferred_height (child, &child_min, &child_nat);
+
+ minimum += child_min;
+ natural += child_nat;
+ }
+
+ if (minimum_size)
+ *minimum_size = minimum;
+
+ if (natural_size)
+ *natural_size = natural;
+}
+
+static void
+gtk_button_get_preferred_width (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ gtk_button_get_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size);
+}
+
+static void
+gtk_button_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size);
+}
+
/**
* gtk_button_set_label:
* @button: a #GtkButton
* gtk_button_set_focus_on_click:
* @button: a #GtkButton
* @focus_on_click: whether the button grabs focus when clicked with the mouse
- *
+ *
* Sets whether the button will grab focus when it is clicked with the mouse.
* Making mouse clicks not grab focus is useful in places like toolbars where
* you don't want the keyboard focus removed from the main area of the
/**
* gtk_button_get_focus_on_click:
* @button: a #GtkButton
- *
+ *
* Returns whether the button grabs focus when it is clicked with the mouse.
* See gtk_button_set_focus_on_click().
*
priv->yalign = yalign;
priv->align_set = 1;
- maybe_set_alignment (button, GTK_BIN (button)->child);
+ maybe_set_alignment (button, gtk_bin_get_child (GTK_BIN (button)));
g_object_freeze_notify (G_OBJECT (button));
g_object_notify (G_OBJECT (button), "xalign");
* _gtk_button_set_depressed:
* @button: a #GtkButton
* @depressed: %TRUE if the button should be drawn with a recessed shadow.
- *
+ *
* Sets whether the button is currently drawn as down or not. This is
* purely a visual setting, and is meant only for use by derived widgets
* such as #GtkToggleButton.
gtk_button_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen)
{
+ GtkButton *button;
GtkSettings *settings;
- guint show_image_connection;
+ gulong show_image_connection;
if (!gtk_widget_has_screen (widget))
return;
+ button = GTK_BUTTON (widget);
+
+ /* If the button is being pressed while the screen changes the
+ release might never occur, so we reset the state. */
+ if (button->button_down)
+ {
+ button->button_down = FALSE;
+ gtk_button_update_state (button);
+ }
+
settings = gtk_widget_get_settings (widget);
show_image_connection =
- GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (settings),
- "gtk-button-connection"));
+ g_signal_handler_find (settings, G_SIGNAL_MATCH_FUNC, 0, 0,
+ NULL, gtk_button_setting_changed, NULL);
if (show_image_connection)
return;
- show_image_connection =
- g_signal_connect (settings, "notify::gtk-button-images",
- G_CALLBACK (gtk_button_setting_changed), NULL);
- g_object_set_data (G_OBJECT (settings),
- I_("gtk-button-connection"),
- GUINT_TO_POINTER (show_image_connection));
+ g_signal_connect (settings, "notify::gtk-button-images",
+ G_CALLBACK (gtk_button_setting_changed), NULL);
- show_image_change_notify (GTK_BUTTON (widget));
+ show_image_change_notify (button);
}
static void
{
GtkButton *button = GTK_BUTTON (widget);
- if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ if (!gtk_widget_is_sensitive (widget))
{
button->in_button = FALSE;
gtk_real_button_released (button);
gboolean was_grabbed)
{
GtkButton *button = GTK_BUTTON (widget);
+ GtkButtonPrivate *priv = GTK_BUTTON_GET_PRIVATE (button);
gboolean save_in;
+ if (button->activate_timeout &&
+ priv->grab_keyboard &&
+ gtk_widget_device_is_shadowed (widget, priv->grab_keyboard))
+ gtk_button_finish_activate (button, FALSE);
+
if (!was_grabbed)
{
save_in = button->in_button;
GtkWidget *image)
{
GtkButtonPrivate *priv;
+ GtkWidget *parent;
g_return_if_fail (GTK_IS_BUTTON (button));
g_return_if_fail (image == NULL || GTK_IS_WIDGET (image));
priv = GTK_BUTTON_GET_PRIVATE (button);
- if (priv->image && priv->image->parent)
- gtk_container_remove (GTK_CONTAINER (priv->image->parent), priv->image);
+ if (priv->image)
+ {
+ parent = gtk_widget_get_parent (priv->image);
+ if (parent)
+ gtk_container_remove (GTK_CONTAINER (parent), priv->image);
+ }
priv->image = image;
priv->image_is_stock = (image == NULL);
* This may have been explicitly set by gtk_button_set_image()
* or constructed by gtk_button_new_from_stock().
*
- * Return value: a #GtkWidget or %NULL in case there is no image
+ * Return value: (transfer none): a #GtkWidget or %NULL in case there is no image
*
* Since: 2.6
*/
}
-#define __GTK_BUTTON_C__
-#include "gtkaliasdef.c"
+/**
+ * gtk_button_get_event_window:
+ * @button: a #GtkButton
+ *
+ * Returns the button's event window if it is realized, %NULL otherwise.
+ * This function should be rarely needed.
+ *
+ * Return value: (transfer none): @button's event window.
+ *
+ * Since: 2.22
+ */
+GdkWindow*
+gtk_button_get_event_window (GtkButton *button)
+{
+ g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
+
+ return button->event_window;
+}