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gtk
Commit 51ffd598 authored by Tristan Van Berkom's avatar Tristan Van Berkom
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Implement GtkExtendedLayout on GtkButton 

GtkButton as a content type of widget needs to forward natural size information
to parent containers in order to be resized naturally.
parent 85a55b29
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Inline Side-by-side
Showing with 70 additions and 48 deletions
gtk/gtkbutton.c
View file @ 51ffd598
......@@ -37,6 +37,7 @@
#include "gtkstock.h"
#include "gtkiconfactory.h"
#include "gtkactivatable.h"
#include "gtkextendedlayout.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkalias.h"
......@@ -111,8 +112,6 @@ static void gtk_button_unrealize (GtkWidget * widget);
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);
......@@ -148,7 +147,7 @@ static void gtk_button_grab_notify (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);
......@@ -159,11 +158,18 @@ static void gtk_button_set_related_action (GtkButton *button,
static void gtk_button_set_use_action_appearance (GtkButton *button,
gboolean use_appearance);
static void gtk_button_extended_layout_init (GtkExtendedLayoutIface *iface);
static void gtk_button_get_desired_size (GtkExtendedLayout *layout,
GtkRequisition *minimum_size,
GtkRequisition *natural_size);
static guint button_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkButton, gtk_button, GTK_TYPE_BIN,
G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
gtk_button_activatable_interface_init))
gtk_button_activatable_interface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_EXTENDED_LAYOUT,
gtk_button_extended_layout_init))
static void
gtk_button_class_init (GtkButtonClass *klass)
......@@ -191,7 +197,6 @@ gtk_button_class_init (GtkButtonClass *klass)
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->button_press_event = gtk_button_button_press;
......@@ -1331,49 +1336,6 @@ gtk_button_get_props (GtkButton *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_get_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_get_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,
......@@ -1803,6 +1765,66 @@ gtk_button_finish_activate (GtkButton *button,
gtk_button_clicked (button);
}
static void
gtk_button_extended_layout_init (GtkExtendedLayoutIface *iface)
{
iface->get_desired_size = gtk_button_get_desired_size;
}
static void
gtk_button_get_desired_size (GtkExtendedLayout *layout,
GtkRequisition *minimum_size,
GtkRequisition *natural_size)
{
GtkButton *button = GTK_BUTTON (layout);
GtkWidget *child;
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 (layout),
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
NULL);
minimum_size->width = ((GTK_CONTAINER (layout)->border_width +
GTK_WIDGET (layout)->style->xthickness) * 2 +
inner_border.left + inner_border.right);
minimum_size->height = ((GTK_CONTAINER (layout)->border_width +
GTK_WIDGET (layout)->style->ythickness) * 2 +
inner_border.top + inner_border.bottom);
if (gtk_widget_get_can_default (GTK_WIDGET (layout)))
{
minimum_size->width += default_border.left + default_border.right;
minimum_size->height += default_border.top + default_border.bottom;
}
minimum_size->width += 2 * (focus_width + focus_pad);
minimum_size->height += 2 * (focus_width + focus_pad);
*natural_size = *minimum_size;
if ((child = gtk_bin_get_child (GTK_BIN (button))) &&
gtk_widget_get_visible (child))
{
GtkRequisition child_min;
GtkRequisition child_nat;
gtk_extended_layout_get_desired_size (GTK_EXTENDED_LAYOUT (child),
&child_min, &child_nat);
minimum_size->width += child_min.width;
minimum_size->height += child_min.height;
natural_size->width += child_nat.width;
natural_size->height += child_nat.height;
}
}
/**
* gtk_button_set_label:
* @button: a #GtkButton
......
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