forked from AuroraMiddleware/gtk
77eee887f3
2002-08-10 Soren Sandmann <sandmann@daimi.au.dk> * docs/reference/gtk/tree_widget.sgml, docs/reference/gtk/tmpl/gtkdialog.sgml, docs/reference/gtk/tmpl/gtkentry.sgml, docs/reference/gtk/tmpl/gtkfilesel.sgml, docs/reference/gtk/tmpl/gtkfontsel.sgml, docs/reference/gtk/tmpl/gtkfontseldlg.sgml, docs/reference/gtk/tmpl/gtktreemodel.sgml, docs/reference/gtk/tmpl/gtkwidget.sgml, gdk/x11/gdkdisplay-x11.c, gtk/gtkbbox.c, gtk/gtkbox.c, gtk/gtkbutton.c, gtk/gtkcellrenderer.c, gtk/gtkcellrendererpixbuf.c, gtk/gtkcellrenderertext.c, gtk/gtkcheckmenuitem.c, gtk/gtkcontainer.c, gtk/gtkcurve.c, gtk/gtkdialog.h, gtk/gtkentry.c, gtk/gtkfilesel.c, gtk/gtkfontsel.c, gtk/gtkframe.c, gtk/gtkhandlebox.c, gtk/gtkiconfactory.c, gtk/gtkimage.c, gtk/gtkinvisible.c, gtk/gtkitemfactory.c, gtk/gtklabel.c, gtk/gtklayout.c, gtk/gtkmenu.c, gtk/gtkprogress.c, gtk/gtkprogressbar.c, gtk/gtkscrolledwindow.c, gtk/gtksizegroup.c, gtk/gtktable.c, gtk/gtktextiter.c, gtk/gtktexttag.c, gtk/gtktexttag.h, gtk/gtktextview.c, gtk/gtktogglebutton.c, gtk/gtktoolbar.c, gtk/gtktreemodel.c, gtk/gtktreeselection.c, gtk/gtktreestore.c, gtk/gtktreeview.c, gtk/gtktreeviewcolumn.c, gtk/gtkviewport.c, gtk/gtkwidget.c, gtk/gtkwidget.h, gtk/gtkwindow.c: Minor documentation fixes (#89254, patch from Brett Nash; #85809, patch from daten@dnetc.org; #76391, patch from Ross Burton; #74559, Manuel Clos; #73569, #72005, Alexey A. Malyshev; #70061, patch from Dennis Bj"orklund; #64566, #63388, #58328, #57499, #81007, #77349, Vitaly Tishkov; #78932, Vitaly Tishkov, patch from Ross Burton; #73306)
650 lines
19 KiB
C
650 lines
19 KiB
C
/* gtkcellrenderer.c
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* Copyright (C) 2000 Red Hat, Inc. Jonathan Blandford
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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 "gtkcellrenderer.h"
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#include "gtkintl.h"
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static void gtk_cell_renderer_init (GtkCellRenderer *cell);
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static void gtk_cell_renderer_class_init (GtkCellRendererClass *class);
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static void gtk_cell_renderer_get_property (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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static void gtk_cell_renderer_set_property (GObject *object,
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guint param_id,
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const GValue *value,
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GParamSpec *pspec);
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static void set_cell_bg_color (GtkCellRenderer *cell,
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GdkColor *color);
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enum {
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PROP_ZERO,
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PROP_MODE,
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PROP_VISIBLE,
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PROP_XALIGN,
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PROP_YALIGN,
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PROP_XPAD,
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PROP_YPAD,
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PROP_WIDTH,
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PROP_HEIGHT,
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PROP_IS_EXPANDER,
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PROP_IS_EXPANDED,
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PROP_CELL_BACKGROUND,
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PROP_CELL_BACKGROUND_GDK,
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PROP_CELL_BACKGROUND_SET
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};
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#define CELLINFO_KEY "gtk-cell-renderer-info"
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typedef struct _GtkCellRendererInfo GtkCellRendererInfo;
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struct _GtkCellRendererInfo
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{
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GdkColor cell_background;
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};
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GtkType
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gtk_cell_renderer_get_type (void)
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{
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static GtkType cell_type = 0;
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if (!cell_type)
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{
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static const GTypeInfo cell_info =
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{
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sizeof (GtkCellRendererClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_cell_renderer_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkCellRenderer),
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0,
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(GInstanceInitFunc) gtk_cell_renderer_init,
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};
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cell_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkCellRenderer", &cell_info, 0);
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}
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return cell_type;
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}
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static void
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gtk_cell_renderer_init (GtkCellRenderer *cell)
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{
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GtkCellRendererInfo *cellinfo;
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cell->mode = GTK_CELL_RENDERER_MODE_INERT;
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cell->visible = TRUE;
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cell->width = -1;
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cell->height = -1;
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cell->xalign = 0.5;
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cell->yalign = 0.5;
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cell->xpad = 0;
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cell->ypad = 0;
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cellinfo = g_new0 (GtkCellRendererInfo, 1);
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g_object_set_data_full (G_OBJECT (cell), CELLINFO_KEY, cellinfo, g_free);
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}
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static void
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gtk_cell_renderer_class_init (GtkCellRendererClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->get_property = gtk_cell_renderer_get_property;
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object_class->set_property = gtk_cell_renderer_set_property;
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class->render = NULL;
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class->get_size = NULL;
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g_object_class_install_property (object_class,
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PROP_MODE,
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g_param_spec_enum ("mode",
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_("mode"),
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_("Editable mode of the CellRenderer"),
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GTK_TYPE_CELL_RENDERER_MODE,
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GTK_CELL_RENDERER_MODE_INERT,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_VISIBLE,
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g_param_spec_boolean ("visible",
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_("visible"),
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_("Display the cell"),
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TRUE,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_XALIGN,
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g_param_spec_float ("xalign",
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_("xalign"),
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_("The x-align"),
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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_property (object_class,
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PROP_YALIGN,
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g_param_spec_float ("yalign",
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_("yalign"),
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_("The y-align"),
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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_property (object_class,
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PROP_XPAD,
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g_param_spec_uint ("xpad",
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_("xpad"),
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_("The xpad"),
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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_property (object_class,
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PROP_YPAD,
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g_param_spec_uint ("ypad",
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_("ypad"),
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_("The ypad"),
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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_property (object_class,
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PROP_WIDTH,
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g_param_spec_int ("width",
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_("width"),
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_("The fixed width"),
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-1,
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100,
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-1,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_HEIGHT,
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g_param_spec_int ("height",
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_("height"),
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_("The fixed height"),
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-1,
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100,
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-1,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_IS_EXPANDER,
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g_param_spec_boolean ("is_expander",
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_("Is Expander"),
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_("Row has children"),
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FALSE,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_IS_EXPANDED,
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g_param_spec_boolean ("is_expanded",
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_("Is Expanded"),
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_("Row is an expander row, and is expanded"),
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FALSE,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_CELL_BACKGROUND,
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g_param_spec_string ("cell_background",
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_("Cell background color name"),
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_("Cell background color as a string"),
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NULL,
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G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_CELL_BACKGROUND_GDK,
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g_param_spec_boxed ("cell_background_gdk",
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_("Cell background color"),
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_("Cell background color as a GdkColor"),
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GDK_TYPE_COLOR,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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#define ADD_SET_PROP(propname, propval, nick, blurb) g_object_class_install_property (object_class, propval, g_param_spec_boolean (propname, nick, blurb, FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE))
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ADD_SET_PROP ("cell_background_set", PROP_CELL_BACKGROUND_SET,
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_("Cell background set"),
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_("Whether this tag affects the cell background color"));
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}
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static void
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gtk_cell_renderer_get_property (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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{
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GtkCellRenderer *cell = GTK_CELL_RENDERER (object);
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GtkCellRendererInfo *cellinfo = g_object_get_data (object, CELLINFO_KEY);
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switch (param_id)
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{
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case PROP_MODE:
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g_value_set_enum (value, cell->mode);
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break;
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case PROP_VISIBLE:
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g_value_set_boolean (value, cell->visible);
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break;
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case PROP_XALIGN:
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g_value_set_float (value, cell->xalign);
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break;
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case PROP_YALIGN:
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g_value_set_float (value, cell->yalign);
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break;
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case PROP_XPAD:
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g_value_set_uint (value, cell->xpad);
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break;
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case PROP_YPAD:
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g_value_set_uint (value, cell->ypad);
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break;
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case PROP_WIDTH:
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g_value_set_int (value, cell->width);
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break;
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case PROP_HEIGHT:
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g_value_set_int (value, cell->height);
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break;
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case PROP_IS_EXPANDER:
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g_value_set_int (value, cell->is_expander);
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break;
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case PROP_IS_EXPANDED:
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g_value_set_int (value, cell->is_expanded);
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break;
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case PROP_CELL_BACKGROUND_GDK:
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{
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GdkColor color;
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color.red = cellinfo->cell_background.red;
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color.green = cellinfo->cell_background.green;
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color.blue = cellinfo->cell_background.blue;
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g_value_set_boxed (value, &color);
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}
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break;
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case PROP_CELL_BACKGROUND_SET:
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g_value_set_boolean (value, cell->cell_background_set);
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break;
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case PROP_CELL_BACKGROUND:
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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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_set_property (GObject *object,
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guint param_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkCellRenderer *cell = GTK_CELL_RENDERER (object);
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switch (param_id)
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{
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case PROP_MODE:
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cell->mode = g_value_get_enum (value);
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break;
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case PROP_VISIBLE:
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cell->visible = g_value_get_boolean (value);
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break;
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case PROP_XALIGN:
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cell->xalign = g_value_get_float (value);
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break;
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case PROP_YALIGN:
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cell->yalign = g_value_get_float (value);
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break;
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case PROP_XPAD:
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cell->xpad = g_value_get_uint (value);
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break;
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case PROP_YPAD:
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cell->ypad = g_value_get_uint (value);
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break;
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case PROP_WIDTH:
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cell->width = g_value_get_int (value);
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break;
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case PROP_HEIGHT:
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cell->height = g_value_get_int (value);
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break;
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case PROP_IS_EXPANDER:
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cell->is_expander = g_value_get_boolean (value);
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break;
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case PROP_IS_EXPANDED:
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cell->is_expanded = g_value_get_boolean (value);
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break;
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case PROP_CELL_BACKGROUND:
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{
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GdkColor color;
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if (!g_value_get_string (value))
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set_cell_bg_color (cell, NULL);
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else if (gdk_color_parse (g_value_get_string (value), &color))
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set_cell_bg_color (cell, &color);
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else
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g_warning ("Don't know color `%s'", g_value_get_string (value));
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g_object_notify (object, "cell_background_gdk");
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}
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break;
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case PROP_CELL_BACKGROUND_GDK:
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set_cell_bg_color (cell, g_value_get_boxed (value));
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break;
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case PROP_CELL_BACKGROUND_SET:
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cell->cell_background_set = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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break;
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}
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}
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static void
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set_cell_bg_color (GtkCellRenderer *cell,
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GdkColor *color)
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{
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GtkCellRendererInfo *cellinfo = g_object_get_data (G_OBJECT (cell), CELLINFO_KEY);
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if (color)
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{
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if (!cell->cell_background_set)
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{
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cell->cell_background_set = TRUE;
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g_object_notify (G_OBJECT (cell), "cell_background_set");
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}
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cellinfo->cell_background.red = color->red;
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cellinfo->cell_background.green = color->green;
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cellinfo->cell_background.blue = color->blue;
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}
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else
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{
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if (cell->cell_background_set)
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{
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cell->cell_background_set = FALSE;
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g_object_notify (G_OBJECT (cell), "cell_background_set");
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}
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}
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}
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/**
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* gtk_cell_renderer_get_size:
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* @cell: a #GtkCellRenderer
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* @widget: the widget the renderer is rendering to
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* @cell_area: The area a cell will be allocated, or %NULL
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* @x_offset: location to return x offset of cell relative to @cell_area, or %NULL
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* @y_offset: location to return y offset of cell relative to @cell_area, or %NULL
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* @width: location to return width needed to render a cell, or %NULL
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* @height: location to return height needed to render a cell, or %NULL
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*
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* Obtains the width and height needed to render the cell. Used by view widgets
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* to determine the appropriate size for the cell_area passed to
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* gtk_cell_renderer_render(). If @cell_area is not %NULL, fills in the x and y
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* offsets (if set) of the cell relative to this location. Please note that the
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* values set in @width and @height, as well as those in @x_offset and @y_offset
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* are inclusive of the xpad and ypad properties.
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**/
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void
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gtk_cell_renderer_get_size (GtkCellRenderer *cell,
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GtkWidget *widget,
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GdkRectangle *cell_area,
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gint *x_offset,
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gint *y_offset,
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gint *width,
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gint *height)
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{
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gint *real_width = width;
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gint *real_height = height;
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g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
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g_return_if_fail (GTK_CELL_RENDERER_GET_CLASS (cell)->get_size != NULL);
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if (width && cell->width != -1)
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{
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real_width = NULL;
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*width = cell->width;
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}
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if (height && cell->height != -1)
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{
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real_height = NULL;
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*height = cell->height;
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}
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GTK_CELL_RENDERER_GET_CLASS (cell)->get_size (cell, widget, cell_area, x_offset, y_offset, real_width, real_height);
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}
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/**
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* gtk_cell_renderer_render:
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* @cell: a #GtkCellRenderer
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* @window: a #GdkDrawable to draw to
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* @widget: the widget owning @window
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* @background_area: entire cell area (including tree expanders and maybe padding on the sides)
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* @cell_area: area normally rendered by a cell renderer
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* @expose_area: area that actually needs updating
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* @flags: flags that affect rendering
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*
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* Invokes the virtual render function of the #GtkCellRenderer. The three
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* passed-in rectangles are areas of @window. Most renderers will draw within
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* @cell_area; the xalign, yalign, xpad, and ypad fields of the #GtkCellRenderer
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* should be honored with respect to @cell_area. @background_area includes the
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* blank space around the cell, and also the area containing the tree expander;
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* so the @background_area rectangles for all cells tile to cover the entire
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* @window. @expose_area is a clip rectangle.
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*
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**/
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void
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gtk_cell_renderer_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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GtkCellRendererState flags)
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{
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gboolean selected = FALSE;
|
|
GtkCellRendererInfo *cellinfo = g_object_get_data (G_OBJECT (cell), CELLINFO_KEY);
|
|
|
|
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
|
|
g_return_if_fail (GTK_CELL_RENDERER_GET_CLASS (cell)->render != NULL);
|
|
|
|
selected = (flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED;
|
|
|
|
if (cell->cell_background_set && !selected)
|
|
{
|
|
GdkColor color;
|
|
GdkGC *gc;
|
|
|
|
color.red = cellinfo->cell_background.red;
|
|
color.green = cellinfo->cell_background.green;
|
|
color.blue = cellinfo->cell_background.blue;
|
|
|
|
gc = gdk_gc_new (window);
|
|
gdk_gc_set_rgb_fg_color (gc, &color);
|
|
gdk_draw_rectangle (window, gc, TRUE,
|
|
background_area->x, background_area->y,
|
|
background_area->width, background_area->height);
|
|
g_object_unref (G_OBJECT (gc));
|
|
}
|
|
|
|
GTK_CELL_RENDERER_GET_CLASS (cell)->render (cell,
|
|
window,
|
|
widget,
|
|
background_area,
|
|
cell_area,
|
|
expose_area,
|
|
flags);
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_activate:
|
|
* @cell: a #GtkCellRenderer
|
|
* @event: a #GdkEvent
|
|
* @widget: widget that received the event
|
|
* @path: widget-dependent string representation of the event location; e.g. for #GtkTreeView, a string representation of #GtkTreePath
|
|
* @background_area: background area as passed to @gtk_cell_renderer_render
|
|
* @cell_area: cell area as passed to @gtk_cell_renderer_render
|
|
* @flags: render flags
|
|
*
|
|
* Passes an activate event to the cell renderer for possible processing. Some
|
|
* cell renderers may use events; for example, #GtkCellRendererToggle toggles
|
|
* when it gets a mouse click.
|
|
*
|
|
* Return value: %TRUE if the event was consumed/handled
|
|
**/
|
|
gboolean
|
|
gtk_cell_renderer_activate (GtkCellRenderer *cell,
|
|
GdkEvent *event,
|
|
GtkWidget *widget,
|
|
const gchar *path,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GtkCellRendererState flags)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_CELL_RENDERER (cell), FALSE);
|
|
|
|
if (cell->mode != GTK_CELL_RENDERER_MODE_ACTIVATABLE)
|
|
return FALSE;
|
|
|
|
if (GTK_CELL_RENDERER_GET_CLASS (cell)->activate == NULL)
|
|
return FALSE;
|
|
|
|
return GTK_CELL_RENDERER_GET_CLASS (cell)->activate (cell,
|
|
event,
|
|
widget,
|
|
path,
|
|
background_area,
|
|
cell_area,
|
|
flags);
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_start_editing:
|
|
* @cell: a #GtkCellRenderer
|
|
* @event: a #GdkEvent
|
|
* @widget: widget that received the event
|
|
* @path: widget-dependent string representation of the event location; e.g. for #GtkTreeView, a string representation of #GtkTreePath
|
|
* @background_area: background area as passed to @gtk_cell_renderer_render
|
|
* @cell_area: cell area as passed to @gtk_cell_renderer_render
|
|
* @flags: render flags
|
|
*
|
|
* Passes an activate event to the cell renderer for possible processing.
|
|
*
|
|
* Return value: A new #GtkCellEditable, or %NULL
|
|
**/
|
|
GtkCellEditable *
|
|
gtk_cell_renderer_start_editing (GtkCellRenderer *cell,
|
|
GdkEvent *event,
|
|
GtkWidget *widget,
|
|
const gchar *path,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GtkCellRendererState flags)
|
|
|
|
{
|
|
g_return_val_if_fail (GTK_IS_CELL_RENDERER (cell), NULL);
|
|
|
|
if (cell->mode != GTK_CELL_RENDERER_MODE_EDITABLE)
|
|
return NULL;
|
|
|
|
if (GTK_CELL_RENDERER_GET_CLASS (cell)->start_editing == NULL)
|
|
return NULL;
|
|
|
|
|
|
return GTK_CELL_RENDERER_GET_CLASS (cell)->start_editing (cell,
|
|
event,
|
|
widget,
|
|
path,
|
|
background_area,
|
|
cell_area,
|
|
flags);
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_set_fixed_size:
|
|
* @cell: A #GtkCellRenderer
|
|
* @width: the width of the cell renderer, or -1
|
|
* @height: the height of the cell renderer, or -1
|
|
*
|
|
* Sets the renderer size to be explicit, independent of the properties set.
|
|
**/
|
|
void
|
|
gtk_cell_renderer_set_fixed_size (GtkCellRenderer *cell,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
|
|
g_return_if_fail (width >= -1 && height >= -1);
|
|
|
|
if ((width != cell->width) || (height != cell->height))
|
|
{
|
|
g_object_freeze_notify (G_OBJECT (cell));
|
|
|
|
if (width != cell->width)
|
|
{
|
|
cell->width = width;
|
|
g_object_notify (G_OBJECT (cell), "width");
|
|
}
|
|
|
|
if (height != cell->height)
|
|
{
|
|
cell->height = height;
|
|
g_object_notify (G_OBJECT (cell), "height");
|
|
}
|
|
|
|
g_object_thaw_notify (G_OBJECT (cell));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_get_fixed_size:
|
|
* @cell: A #GtkCellRenderer
|
|
* @width: location to fill in with the fixed width of the widget, or %NULL
|
|
* @height: location to fill in with the fixed height of the widget, or %NULL
|
|
*
|
|
* Fills in @width and @height with the appropriate size of @cell.
|
|
**/
|
|
void
|
|
gtk_cell_renderer_get_fixed_size (GtkCellRenderer *cell,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
|
|
|
|
if (width)
|
|
(* width) = cell->width;
|
|
if (height)
|
|
(* height) = cell->height;
|
|
}
|