3ff4a2c081
2000-10-04 <jrb@redhat.com> * gtk/gtk{tree,cell}?*.[ch]: Checked in initial draft of the new tree widget.
400 lines
12 KiB
C
400 lines
12 KiB
C
/* gtkcellrenderertextpixbuf.c
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include "gtkcellrenderertextpixbuf.h"
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#ifndef _
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#define _(x) x
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#endif
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enum {
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PROP_ZERO,
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PROP_PIXBUF_POS,
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PROP_PIXBUF,
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PROP_PIXBUF_XALIGN,
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PROP_PIXBUF_YALIGN,
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PROP_PIXBUF_XPAD,
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PROP_PIXBUF_YPAD
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};
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static void gtk_cell_renderer_text_pixbuf_get_param (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer);
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static void gtk_cell_renderer_text_pixbuf_set_param (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer);
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static void gtk_cell_renderer_text_pixbuf_init (GtkCellRendererTextPixbuf *celltextpixbuf);
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static void gtk_cell_renderer_text_pixbuf_class_init (GtkCellRendererTextPixbufClass *class);
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static void gtk_cell_renderer_text_pixbuf_get_size (GtkCellRenderer *cell,
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GtkWidget *view,
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gint *width,
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gint *height);
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static void gtk_cell_renderer_text_pixbuf_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *view,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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guint flags);
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GtkCellRendererTextClass *parent_class = NULL;
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GtkType
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gtk_cell_renderer_text_pixbuf_get_type (void)
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{
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static GtkType cell_text_pixbuf_type = 0;
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if (!cell_text_pixbuf_type)
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{
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static const GTypeInfo cell_text_pixbuf_info =
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{
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sizeof (GtkCellRendererTextPixbufClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_cell_renderer_text_pixbuf_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkCellRendererTextPixbuf),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_cell_renderer_text_pixbuf_init,
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};
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cell_text_pixbuf_type = g_type_register_static (GTK_TYPE_CELL_RENDERER_TEXT, "GtkCellRendererTextPixbuf", &cell_text_pixbuf_info);
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}
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return cell_text_pixbuf_type;
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}
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static void
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gtk_cell_renderer_text_pixbuf_init (GtkCellRendererTextPixbuf *celltextpixbuf)
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{
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celltextpixbuf->pixbuf = GTK_CELL_RENDERER_PIXBUF (gtk_cell_renderer_pixbuf_new ());
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celltextpixbuf->pixbuf_pos = GTK_POS_LEFT;
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}
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static void
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gtk_cell_renderer_text_pixbuf_class_init (GtkCellRendererTextPixbufClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
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parent_class = g_type_class_peek_parent (class);
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object_class->get_param = gtk_cell_renderer_text_pixbuf_get_param;
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object_class->set_param = gtk_cell_renderer_text_pixbuf_set_param;
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cell_class->get_size = gtk_cell_renderer_text_pixbuf_get_size;
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cell_class->render = gtk_cell_renderer_text_pixbuf_render;
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g_object_class_install_param (object_class,
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PROP_PIXBUF_POS,
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g_param_spec_int ("pixbufpos",
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_("Pixbuf location"),
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_("The relative location of the pixbuf to the text."),
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GTK_POS_LEFT,
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GTK_POS_BOTTOM,
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GTK_POS_LEFT,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_param (object_class,
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PROP_PIXBUF,
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g_param_spec_object ("pixbuf",
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_("Pixbuf Object"),
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_("The pixbuf to render."),
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GDK_TYPE_PIXBUF,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_param (object_class,
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PROP_PIXBUF_XALIGN,
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g_param_spec_float ("pixbuf xalign",
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_("pixbuf xalign"),
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_("The x-align of the pixbuf."),
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0.0,
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1.0,
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0.0,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_param (object_class,
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PROP_PIXBUF_YALIGN,
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g_param_spec_float ("pixbuf yalign",
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_("pixbuf yalign"),
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_("The y-align of the pixbuf."),
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0.0,
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1.0,
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0.5,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_param (object_class,
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PROP_PIXBUF_XPAD,
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g_param_spec_uint ("pixbuf xpad",
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_("pixbuf xpad"),
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_("The xpad of the pixbuf."),
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0,
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100,
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2,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_param (object_class,
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PROP_PIXBUF_YPAD,
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g_param_spec_uint ("pixbuf ypad",
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_("pixbuf ypad"),
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_("The ypad of the pixbuf."),
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0,
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100,
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2,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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}
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static void
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gtk_cell_renderer_text_pixbuf_get_param (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer)
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{
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GtkCellRendererTextPixbuf *celltextpixbuf = GTK_CELL_RENDERER_TEXT_PIXBUF (object);
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switch (param_id)
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{
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case PROP_PIXBUF_POS:
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g_value_set_int (value, celltextpixbuf->pixbuf_pos);
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break;
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case PROP_PIXBUF:
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g_object_get_param (G_OBJECT (celltextpixbuf->pixbuf),
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"pixbuf",
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value);
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break;
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case PROP_PIXBUF_XALIGN:
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g_object_get_param (G_OBJECT (celltextpixbuf->pixbuf),
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"xalign",
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value);
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break;
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case PROP_PIXBUF_YALIGN:
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g_object_get_param (G_OBJECT (celltextpixbuf->pixbuf),
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"yalign",
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value);
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break;
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case PROP_PIXBUF_XPAD:
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g_object_get_param (G_OBJECT (celltextpixbuf->pixbuf),
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"xpad",
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value);
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break;
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case PROP_PIXBUF_YPAD:
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g_object_get_param (G_OBJECT (celltextpixbuf->pixbuf),
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"ypad",
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value);
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break;
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default:
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break;
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}
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}
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static void
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gtk_cell_renderer_text_pixbuf_set_param (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer)
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{
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GtkCellRendererTextPixbuf *celltextpixbuf = GTK_CELL_RENDERER_TEXT_PIXBUF (object);
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switch (param_id)
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{
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case PROP_PIXBUF:
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g_object_set_param (G_OBJECT (celltextpixbuf->pixbuf),
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"pixbuf",
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value);
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break;
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case PROP_PIXBUF_POS:
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celltextpixbuf->pixbuf_pos = g_value_get_int (value);
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break;
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case PROP_PIXBUF_XALIGN:
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g_object_set_param (G_OBJECT (celltextpixbuf->pixbuf),
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"xalign",
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value);
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break;
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case PROP_PIXBUF_YALIGN:
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g_object_set_param (G_OBJECT (celltextpixbuf->pixbuf),
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"yalign",
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value);
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break;
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case PROP_PIXBUF_XPAD:
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g_object_set_param (G_OBJECT (celltextpixbuf->pixbuf),
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"xpad",
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value);
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break;
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case PROP_PIXBUF_YPAD:
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g_object_set_param (G_OBJECT (celltextpixbuf->pixbuf),
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"ypad",
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value);
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break;
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default:
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break;
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}
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}
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GtkCellRenderer *
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gtk_cell_renderer_text_pixbuf_new (void)
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{
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return GTK_CELL_RENDERER (gtk_type_new (gtk_cell_renderer_text_pixbuf_get_type ()));
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}
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typedef void (* CellSizeFunc) (GtkCellRenderer *cell,
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GtkWidget *widget,
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gint *width,
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gint *height);
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typedef void (* CellRenderFunc) (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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guint flags);
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static void
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gtk_cell_renderer_text_pixbuf_get_size (GtkCellRenderer *cell,
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GtkWidget *widget,
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gint *width,
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gint *height)
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{
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GtkCellRendererTextPixbuf *celltextpixbuf = (GtkCellRendererTextPixbuf *)cell;
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gint pixbuf_width;
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gint pixbuf_height;
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gint text_width;
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gint text_height;
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(* GTK_CELL_RENDERER_CLASS (parent_class)->get_size) (cell, widget, &text_width, &text_height);
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(* GTK_CELL_RENDERER_CLASS (G_OBJECT_GET_CLASS (celltextpixbuf->pixbuf))->get_size) (GTK_CELL_RENDERER (celltextpixbuf->pixbuf),
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widget,
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&pixbuf_width,
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&pixbuf_height);
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if (celltextpixbuf->pixbuf_pos == GTK_POS_LEFT ||
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celltextpixbuf->pixbuf_pos == GTK_POS_RIGHT)
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{
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*width = pixbuf_width + text_width;
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*height = MAX (pixbuf_height, text_height);
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}
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else
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{
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*width = MAX (pixbuf_width, text_width);
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*height = pixbuf_height + text_height;
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}
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}
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static void
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gtk_cell_renderer_text_pixbuf_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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guint flags)
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{
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GtkCellRendererTextPixbuf *celltextpixbuf = (GtkCellRendererTextPixbuf *) cell;
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CellSizeFunc size_func1, size_func2;
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CellRenderFunc render_func1, render_func2;
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GtkCellRenderer *cell1, *cell2;
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gint tmp_width;
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gint tmp_height;
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GdkRectangle real_cell_area;
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if (celltextpixbuf->pixbuf_pos == GTK_POS_LEFT ||
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celltextpixbuf->pixbuf_pos == GTK_POS_TOP)
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{
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size_func1 = GTK_CELL_RENDERER_CLASS (G_OBJECT_GET_CLASS (celltextpixbuf->pixbuf))->get_size;
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render_func1 = GTK_CELL_RENDERER_CLASS (G_OBJECT_GET_CLASS (celltextpixbuf->pixbuf))->render;
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cell1 = GTK_CELL_RENDERER (celltextpixbuf->pixbuf);
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size_func2 = GTK_CELL_RENDERER_CLASS (parent_class)->get_size;
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render_func2 = GTK_CELL_RENDERER_CLASS (parent_class)->render;
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cell2 = cell;
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}
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else
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{
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size_func1 = GTK_CELL_RENDERER_CLASS (parent_class)->get_size;
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render_func1 = GTK_CELL_RENDERER_CLASS (parent_class)->render;
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cell1 = cell;
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size_func2 = GTK_CELL_RENDERER_CLASS (G_OBJECT_GET_CLASS (celltextpixbuf->pixbuf))->get_size;
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render_func2 = GTK_CELL_RENDERER_CLASS (G_OBJECT_GET_CLASS (celltextpixbuf->pixbuf))->render;
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cell2 = GTK_CELL_RENDERER (celltextpixbuf->pixbuf);
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}
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(size_func1) (cell1, widget, &tmp_width, &tmp_height);
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real_cell_area.x = cell_area->x;
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real_cell_area.y = cell_area->y;
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if (celltextpixbuf->pixbuf_pos == GTK_POS_LEFT ||
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celltextpixbuf->pixbuf_pos == GTK_POS_RIGHT)
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{
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real_cell_area.width = MIN (tmp_width, cell_area->width);
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real_cell_area.height = cell_area->height;
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}
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else
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{
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real_cell_area.height = MIN (tmp_height, cell_area->height);
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real_cell_area.width = cell_area->width;
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}
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(render_func1) (cell1,
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window,
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widget,
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background_area,
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&real_cell_area,
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expose_area,
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flags);
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if (celltextpixbuf->pixbuf_pos == GTK_POS_LEFT ||
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celltextpixbuf->pixbuf_pos == GTK_POS_RIGHT)
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{
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real_cell_area.x = real_cell_area.x + real_cell_area.width;
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real_cell_area.width = cell_area->width - real_cell_area.width;
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}
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else
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{
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real_cell_area.y = real_cell_area.y + real_cell_area.height;
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real_cell_area.height = cell_area->height - real_cell_area.height;
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}
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(render_func2 ) (cell2,
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window,
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widget,
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background_area,
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&real_cell_area,
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expose_area,
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flags);
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}
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