0b56599d28
Replace usage of deprecated gtk_type_unique() by switching to defining types with G_DEFINE_TYPE. Bug 622800.
164 lines
4.1 KiB
C
164 lines
4.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* Metacity theme widget (displays themed draw operations) */
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/*
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* Copyright (C) 2002 Havoc Pennington
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "themewidget.h"
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#include <math.h>
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#include "gtk-compat.h"
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static void meta_area_size_request (GtkWidget *widget,
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GtkRequisition *req);
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static gint meta_area_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static void meta_area_finalize (GObject *object);
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G_DEFINE_TYPE (MetaArea, meta_area, GTK_TYPE_MISC);
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static void
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meta_area_class_init (MetaAreaClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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gobject_class->finalize = meta_area_finalize;
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widget_class->expose_event = meta_area_expose;
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widget_class->size_request = meta_area_size_request;
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}
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static void
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meta_area_init (MetaArea *area)
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{
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gtk_widget_set_has_window (GTK_WIDGET (area), FALSE);
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}
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GtkWidget*
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meta_area_new (void)
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{
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MetaArea *area;
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area = g_object_new (META_TYPE_AREA, NULL);
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return GTK_WIDGET (area);
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}
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static void
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meta_area_finalize (GObject *object)
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{
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MetaArea *area;
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area = META_AREA (object);
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if (area->dnotify)
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(* area->dnotify) (area->user_data);
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G_OBJECT_CLASS (meta_area_parent_class)->finalize (object);
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}
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static gint
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meta_area_expose (GtkWidget *widget,
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GdkEventExpose *event)
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{
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MetaArea *area;
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GtkAllocation allocation;
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GtkMisc *misc;
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GtkRequisition requisition;
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gfloat xalign, yalign;
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gint x, y;
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gint xpad, ypad;
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g_return_val_if_fail (META_IS_AREA (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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if (gtk_widget_is_drawable (widget))
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{
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area = META_AREA (widget);
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misc = GTK_MISC (widget);
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gtk_widget_get_allocation (widget, &allocation);
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gtk_widget_get_requisition (widget, &requisition);
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gtk_misc_get_alignment (misc, &xalign, &yalign);
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gtk_misc_get_padding (misc, &xpad, &ypad);
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if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
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xalign = 1.0 - xalign;
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x = floor (allocation.x + xpad
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+ ((allocation.width - requisition.width) * xalign)
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+ 0.5);
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y = floor (allocation.y + ypad
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+ ((allocation.height - requisition.height) * yalign)
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+ 0.5);
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if (area->expose_func)
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{
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(* area->expose_func) (area, event, x, y,
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area->user_data);
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}
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}
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return FALSE;
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}
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static void
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meta_area_size_request (GtkWidget *widget,
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GtkRequisition *req)
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{
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MetaArea *area;
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area = META_AREA (widget);
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req->width = 0;
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req->height = 0;
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if (area->size_func)
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{
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(* area->size_func) (area, &req->width, &req->height,
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area->user_data);
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}
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}
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void
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meta_area_setup (MetaArea *area,
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MetaAreaSizeFunc size_func,
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MetaAreaExposeFunc expose_func,
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void *user_data,
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GDestroyNotify dnotify)
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{
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if (area->dnotify)
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(* area->dnotify) (area->user_data);
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area->size_func = size_func;
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area->expose_func = expose_func;
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area->user_data = user_data;
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area->dnotify = dnotify;
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gtk_widget_queue_resize (GTK_WIDGET (area));
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}
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