forked from AuroraMiddleware/gtk
1877 lines
59 KiB
C
1877 lines
59 KiB
C
/* gtkcellrenderertext.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 <config.h>
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#include <stdlib.h>
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#include "gtkalias.h"
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#include "gtkcellrenderertext.h"
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#include "gtkeditable.h"
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#include "gtkentry.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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#include "gtktreeprivate.h"
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static void gtk_cell_renderer_text_init (GtkCellRendererText *celltext);
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static void gtk_cell_renderer_text_class_init (GtkCellRendererTextClass *class);
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static void gtk_cell_renderer_text_finalize (GObject *object);
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static void gtk_cell_renderer_text_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_text_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 gtk_cell_renderer_text_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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static void gtk_cell_renderer_text_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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static GtkCellEditable *gtk_cell_renderer_text_start_editing (GtkCellRenderer *cell,
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GdkEvent *event,
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GtkWidget *widget,
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const gchar *path,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GtkCellRendererState flags);
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enum {
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EDITED,
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LAST_SIGNAL
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};
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enum {
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PROP_0,
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PROP_TEXT,
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PROP_MARKUP,
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PROP_ATTRIBUTES,
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PROP_SINGLE_PARAGRAPH_MODE,
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PROP_WIDTH_CHARS,
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PROP_WRAP_WIDTH,
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/* Style args */
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PROP_BACKGROUND,
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PROP_FOREGROUND,
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PROP_BACKGROUND_GDK,
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PROP_FOREGROUND_GDK,
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PROP_FONT,
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PROP_FONT_DESC,
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PROP_FAMILY,
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PROP_STYLE,
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PROP_VARIANT,
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PROP_WEIGHT,
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PROP_STRETCH,
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PROP_SIZE,
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PROP_SIZE_POINTS,
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PROP_SCALE,
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PROP_EDITABLE,
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PROP_STRIKETHROUGH,
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PROP_UNDERLINE,
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PROP_RISE,
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PROP_LANGUAGE,
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PROP_ELLIPSIZE,
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PROP_WRAP_MODE,
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/* Whether-a-style-arg-is-set args */
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PROP_BACKGROUND_SET,
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PROP_FOREGROUND_SET,
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PROP_FAMILY_SET,
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PROP_STYLE_SET,
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PROP_VARIANT_SET,
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PROP_WEIGHT_SET,
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PROP_STRETCH_SET,
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PROP_SIZE_SET,
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PROP_SCALE_SET,
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PROP_EDITABLE_SET,
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PROP_STRIKETHROUGH_SET,
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PROP_UNDERLINE_SET,
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PROP_RISE_SET,
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PROP_LANGUAGE_SET,
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PROP_ELLIPSIZE_SET
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};
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static gpointer parent_class;
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static guint text_cell_renderer_signals [LAST_SIGNAL];
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#define GTK_CELL_RENDERER_TEXT_PATH "gtk-cell-renderer-text-path"
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#define GTK_CELL_RENDERER_TEXT_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CELL_RENDERER_TEXT, GtkCellRendererTextPrivate))
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typedef struct _GtkCellRendererTextPrivate GtkCellRendererTextPrivate;
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struct _GtkCellRendererTextPrivate
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{
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guint single_paragraph : 1;
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guint language_set : 1;
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guint markup_set : 1;
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guint ellipsize_set : 1;
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gulong focus_out_id;
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PangoLanguage *language;
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PangoEllipsizeMode ellipsize;
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PangoWrapMode wrap_mode;
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gulong populate_popup_id;
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gulong entry_menu_popdown_timeout;
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gboolean in_entry_menu;
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gint width_chars;
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gint wrap_width;
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GtkWidget *entry;
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};
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GType
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gtk_cell_renderer_text_get_type (void)
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{
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static GType cell_text_type = 0;
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if (!cell_text_type)
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{
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static const GTypeInfo cell_text_info =
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{
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sizeof (GtkCellRendererTextClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_cell_renderer_text_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkCellRendererText),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_cell_renderer_text_init,
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};
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cell_text_type =
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g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererText",
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&cell_text_info, 0);
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}
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return cell_text_type;
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}
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static void
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gtk_cell_renderer_text_init (GtkCellRendererText *celltext)
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{
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GtkCellRendererTextPrivate *priv;
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priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (celltext);
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GTK_CELL_RENDERER (celltext)->xalign = 0.0;
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GTK_CELL_RENDERER (celltext)->yalign = 0.5;
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GTK_CELL_RENDERER (celltext)->xpad = 2;
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GTK_CELL_RENDERER (celltext)->ypad = 2;
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celltext->fixed_height_rows = -1;
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celltext->font = pango_font_description_new ();
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priv->width_chars = -1;
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priv->wrap_width = -1;
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}
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static void
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gtk_cell_renderer_text_class_init (GtkCellRendererTextClass *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->finalize = gtk_cell_renderer_text_finalize;
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object_class->get_property = gtk_cell_renderer_text_get_property;
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object_class->set_property = gtk_cell_renderer_text_set_property;
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cell_class->get_size = gtk_cell_renderer_text_get_size;
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cell_class->render = gtk_cell_renderer_text_render;
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cell_class->start_editing = gtk_cell_renderer_text_start_editing;
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g_object_class_install_property (object_class,
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PROP_TEXT,
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g_param_spec_string ("text",
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P_("Text"),
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P_("Text to render"),
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_MARKUP,
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g_param_spec_string ("markup",
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P_("Markup"),
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P_("Marked up text to render"),
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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_ATTRIBUTES,
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g_param_spec_boxed ("attributes",
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P_("Attributes"),
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P_("A list of style attributes to apply to the text of the renderer"),
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PANGO_TYPE_ATTR_LIST,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_SINGLE_PARAGRAPH_MODE,
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g_param_spec_boolean ("single_paragraph_mode",
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P_("Single Paragraph Mode"),
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P_("Whether or not to keep all text in a single paragraph"),
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FALSE,
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_BACKGROUND,
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g_param_spec_string ("background",
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P_("Background color name"),
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P_("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_BACKGROUND_GDK,
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g_param_spec_boxed ("background_gdk",
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P_("Background color"),
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P_("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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g_object_class_install_property (object_class,
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PROP_FOREGROUND,
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g_param_spec_string ("foreground",
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P_("Foreground color name"),
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P_("Foreground 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_FOREGROUND_GDK,
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g_param_spec_boxed ("foreground_gdk",
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P_("Foreground color"),
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P_("Foreground 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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g_object_class_install_property (object_class,
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PROP_EDITABLE,
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g_param_spec_boolean ("editable",
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P_("Editable"),
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P_("Whether the text can be modified by the user"),
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FALSE,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_FONT,
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g_param_spec_string ("font",
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P_("Font"),
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P_("Font description as a string"),
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NULL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_FONT_DESC,
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g_param_spec_boxed ("font_desc",
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P_("Font"),
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P_("Font description as a PangoFontDescription struct"),
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PANGO_TYPE_FONT_DESCRIPTION,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_FAMILY,
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g_param_spec_string ("family",
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P_("Font family"),
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P_("Name of the font family, e.g. Sans, Helvetica, Times, Monospace"),
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NULL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_STYLE,
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g_param_spec_enum ("style",
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P_("Font style"),
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P_("Font style"),
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PANGO_TYPE_STYLE,
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PANGO_STYLE_NORMAL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_VARIANT,
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g_param_spec_enum ("variant",
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P_("Font variant"),
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P_("Font variant"),
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PANGO_TYPE_VARIANT,
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PANGO_VARIANT_NORMAL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_WEIGHT,
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g_param_spec_int ("weight",
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P_("Font weight"),
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P_("Font weight"),
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0,
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G_MAXINT,
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PANGO_WEIGHT_NORMAL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_STRETCH,
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g_param_spec_enum ("stretch",
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P_("Font stretch"),
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P_("Font stretch"),
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PANGO_TYPE_STRETCH,
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PANGO_STRETCH_NORMAL,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_SIZE,
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g_param_spec_int ("size",
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P_("Font size"),
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P_("Font size"),
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0,
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G_MAXINT,
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0,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_SIZE_POINTS,
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g_param_spec_double ("size_points",
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P_("Font points"),
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P_("Font size in points"),
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0.0,
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G_MAXDOUBLE,
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0.0,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_SCALE,
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g_param_spec_double ("scale",
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P_("Font scale"),
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P_("Font scaling factor"),
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0.0,
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G_MAXDOUBLE,
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1.0,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_RISE,
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g_param_spec_int ("rise",
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P_("Rise"),
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P_("Offset of text above the baseline "
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"(below the baseline if rise is negative)"),
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-G_MAXINT,
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G_MAXINT,
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0,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_STRIKETHROUGH,
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g_param_spec_boolean ("strikethrough",
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P_("Strikethrough"),
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P_("Whether to strike through the text"),
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FALSE,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_UNDERLINE,
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g_param_spec_enum ("underline",
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P_("Underline"),
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P_("Style of underline for this text"),
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PANGO_TYPE_UNDERLINE,
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PANGO_UNDERLINE_NONE,
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G_PARAM_READABLE | G_PARAM_WRITABLE));
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g_object_class_install_property (object_class,
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PROP_LANGUAGE,
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g_param_spec_string ("language",
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P_("Language"),
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P_("The language this text is in, as an ISO code. "
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"Pango can use this as a hint when rendering the text. "
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"If you don't understand this parameter, you probably don't need it"),
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NULL,
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G_PARAM_READWRITE));
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/**
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* GtkCellRendererText:ellipsize:
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*
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* Specifies the preferred place to ellipsize the string, if the cell renderer
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* does not have enough room to display the entire string. Setting it to
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* %PANGO_ELLIPSIZE_NONE turns off ellipsizing. See the wrap-width property
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* for another way of making the text fit into a given width.
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*
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* Since: 2.6
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*/
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g_object_class_install_property (object_class,
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PROP_ELLIPSIZE,
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g_param_spec_enum ("ellipsize",
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P_("Ellipsize"),
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P_("The preferred place to ellipsize the string, "
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"if the cell renderer does not have enough room "
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"to display the entire string, if at all"),
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PANGO_TYPE_ELLIPSIZE_MODE,
|
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PANGO_ELLIPSIZE_NONE,
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G_PARAM_READWRITE));
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|
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/**
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* GtkCellRendererText:width-chars:
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*
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* The desired width of the cell, in characters. If this property is set to
|
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* -1, the width will be calculated automatically, otherwise the cell will
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* request either 3 characters or the property value, whichever is greater.
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*
|
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* Since: 2.6
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**/
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g_object_class_install_property (object_class,
|
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PROP_WIDTH_CHARS,
|
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g_param_spec_int ("width_chars",
|
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P_("Width In Characters"),
|
|
P_("The desired width of the label, in characters"),
|
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-1,
|
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G_MAXINT,
|
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-1,
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G_PARAM_READWRITE));
|
|
|
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/**
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* GtkCellRendererText:wrap-mode:
|
|
*
|
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* Specifies how to break the string into multiple lines, if the cell renderer
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* does not have enough room to display the entire string. This property has no
|
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* effect unless the wrap-width property is set.
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*
|
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* Since: 2.8
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*/
|
|
g_object_class_install_property (object_class,
|
|
PROP_WRAP_MODE,
|
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g_param_spec_enum ("wrap_mode",
|
|
P_("Wrap mode"),
|
|
P_("How to break the string into multiple lines, "
|
|
"if the cell renderer does not have enough room "
|
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"to display the entire string"),
|
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PANGO_TYPE_WRAP_MODE,
|
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PANGO_WRAP_CHAR,
|
|
G_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkCellRendererText:wrap-width:
|
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*
|
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* Specifies the width at which the text is wrapped. The wrap-mode property can
|
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* be used to influence at what character positions the line breaks can be placed.
|
|
* Setting wrap-width to -1 turns wrapping off.
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|
*
|
|
* Since: 2.8
|
|
*/
|
|
g_object_class_install_property (object_class,
|
|
PROP_WRAP_WIDTH,
|
|
g_param_spec_int ("wrap_width",
|
|
P_("Wrap width"),
|
|
P_("The width at which the text is wrapped"),
|
|
-1,
|
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G_MAXINT,
|
|
-1,
|
|
G_PARAM_READWRITE));
|
|
|
|
|
|
/* Style props are set or not */
|
|
|
|
#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 ("background_set", PROP_BACKGROUND_SET,
|
|
P_("Background set"),
|
|
P_("Whether this tag affects the background color"));
|
|
|
|
ADD_SET_PROP ("foreground_set", PROP_FOREGROUND_SET,
|
|
P_("Foreground set"),
|
|
P_("Whether this tag affects the foreground color"));
|
|
|
|
ADD_SET_PROP ("editable_set", PROP_EDITABLE_SET,
|
|
P_("Editability set"),
|
|
P_("Whether this tag affects text editability"));
|
|
|
|
ADD_SET_PROP ("family_set", PROP_FAMILY_SET,
|
|
P_("Font family set"),
|
|
P_("Whether this tag affects the font family"));
|
|
|
|
ADD_SET_PROP ("style_set", PROP_STYLE_SET,
|
|
P_("Font style set"),
|
|
P_("Whether this tag affects the font style"));
|
|
|
|
ADD_SET_PROP ("variant_set", PROP_VARIANT_SET,
|
|
P_("Font variant set"),
|
|
P_("Whether this tag affects the font variant"));
|
|
|
|
ADD_SET_PROP ("weight_set", PROP_WEIGHT_SET,
|
|
P_("Font weight set"),
|
|
P_("Whether this tag affects the font weight"));
|
|
|
|
ADD_SET_PROP ("stretch_set", PROP_STRETCH_SET,
|
|
P_("Font stretch set"),
|
|
P_("Whether this tag affects the font stretch"));
|
|
|
|
ADD_SET_PROP ("size_set", PROP_SIZE_SET,
|
|
P_("Font size set"),
|
|
P_("Whether this tag affects the font size"));
|
|
|
|
ADD_SET_PROP ("scale_set", PROP_SCALE_SET,
|
|
P_("Font scale set"),
|
|
P_("Whether this tag scales the font size by a factor"));
|
|
|
|
ADD_SET_PROP ("rise_set", PROP_RISE_SET,
|
|
P_("Rise set"),
|
|
P_("Whether this tag affects the rise"));
|
|
|
|
ADD_SET_PROP ("strikethrough_set", PROP_STRIKETHROUGH_SET,
|
|
P_("Strikethrough set"),
|
|
P_("Whether this tag affects strikethrough"));
|
|
|
|
ADD_SET_PROP ("underline_set", PROP_UNDERLINE_SET,
|
|
P_("Underline set"),
|
|
P_("Whether this tag affects underlining"));
|
|
|
|
ADD_SET_PROP ("language_set", PROP_LANGUAGE_SET,
|
|
P_("Language set"),
|
|
P_("Whether this tag affects the language the text is rendered as"));
|
|
|
|
ADD_SET_PROP ("ellipsize_set", PROP_ELLIPSIZE_SET,
|
|
P_("Ellipsize set"),
|
|
P_("Whether this tag affects the ellipsize mode"));
|
|
|
|
text_cell_renderer_signals [EDITED] =
|
|
g_signal_new ("edited",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (GtkCellRendererTextClass, edited),
|
|
NULL, NULL,
|
|
_gtk_marshal_VOID__STRING_STRING,
|
|
G_TYPE_NONE, 2,
|
|
G_TYPE_STRING,
|
|
G_TYPE_STRING);
|
|
|
|
g_type_class_add_private (object_class, sizeof (GtkCellRendererTextPrivate));
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_finalize (GObject *object)
|
|
{
|
|
GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (object);
|
|
|
|
pango_font_description_free (celltext->font);
|
|
|
|
if (celltext->text)
|
|
g_free (celltext->text);
|
|
|
|
if (celltext->extra_attrs)
|
|
pango_attr_list_unref (celltext->extra_attrs);
|
|
|
|
if (priv->language)
|
|
g_object_unref (priv->language);
|
|
|
|
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
|
|
}
|
|
|
|
static PangoFontMask
|
|
get_property_font_set_mask (guint prop_id)
|
|
{
|
|
switch (prop_id)
|
|
{
|
|
case PROP_FAMILY_SET:
|
|
return PANGO_FONT_MASK_FAMILY;
|
|
case PROP_STYLE_SET:
|
|
return PANGO_FONT_MASK_STYLE;
|
|
case PROP_VARIANT_SET:
|
|
return PANGO_FONT_MASK_VARIANT;
|
|
case PROP_WEIGHT_SET:
|
|
return PANGO_FONT_MASK_WEIGHT;
|
|
case PROP_STRETCH_SET:
|
|
return PANGO_FONT_MASK_STRETCH;
|
|
case PROP_SIZE_SET:
|
|
return PANGO_FONT_MASK_SIZE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_get_property (GObject *object,
|
|
guint param_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (object);
|
|
|
|
switch (param_id)
|
|
{
|
|
case PROP_TEXT:
|
|
g_value_set_string (value, celltext->text);
|
|
break;
|
|
|
|
case PROP_ATTRIBUTES:
|
|
g_value_set_boxed (value, celltext->extra_attrs);
|
|
break;
|
|
|
|
case PROP_SINGLE_PARAGRAPH_MODE:
|
|
g_value_set_boolean (value, priv->single_paragraph);
|
|
break;
|
|
|
|
case PROP_BACKGROUND_GDK:
|
|
{
|
|
GdkColor color;
|
|
|
|
color.red = celltext->background.red;
|
|
color.green = celltext->background.green;
|
|
color.blue = celltext->background.blue;
|
|
|
|
g_value_set_boxed (value, &color);
|
|
}
|
|
break;
|
|
|
|
case PROP_FOREGROUND_GDK:
|
|
{
|
|
GdkColor color;
|
|
|
|
color.red = celltext->foreground.red;
|
|
color.green = celltext->foreground.green;
|
|
color.blue = celltext->foreground.blue;
|
|
|
|
g_value_set_boxed (value, &color);
|
|
}
|
|
break;
|
|
|
|
case PROP_FONT:
|
|
{
|
|
/* FIXME GValue imposes a totally gratuitous string copy
|
|
* here, we could just hand off string ownership
|
|
*/
|
|
gchar *str = pango_font_description_to_string (celltext->font);
|
|
g_value_set_string (value, str);
|
|
g_free (str);
|
|
}
|
|
break;
|
|
|
|
case PROP_FONT_DESC:
|
|
g_value_set_boxed (value, celltext->font);
|
|
break;
|
|
|
|
case PROP_FAMILY:
|
|
g_value_set_string (value, pango_font_description_get_family (celltext->font));
|
|
break;
|
|
|
|
case PROP_STYLE:
|
|
g_value_set_enum (value, pango_font_description_get_style (celltext->font));
|
|
break;
|
|
|
|
case PROP_VARIANT:
|
|
g_value_set_enum (value, pango_font_description_get_variant (celltext->font));
|
|
break;
|
|
|
|
case PROP_WEIGHT:
|
|
g_value_set_int (value, pango_font_description_get_weight (celltext->font));
|
|
break;
|
|
|
|
case PROP_STRETCH:
|
|
g_value_set_enum (value, pango_font_description_get_stretch (celltext->font));
|
|
break;
|
|
|
|
case PROP_SIZE:
|
|
g_value_set_int (value, pango_font_description_get_size (celltext->font));
|
|
break;
|
|
|
|
case PROP_SIZE_POINTS:
|
|
g_value_set_double (value, ((double)pango_font_description_get_size (celltext->font)) / (double)PANGO_SCALE);
|
|
break;
|
|
|
|
case PROP_SCALE:
|
|
g_value_set_double (value, celltext->font_scale);
|
|
break;
|
|
|
|
case PROP_EDITABLE:
|
|
g_value_set_boolean (value, celltext->editable);
|
|
break;
|
|
|
|
case PROP_STRIKETHROUGH:
|
|
g_value_set_boolean (value, celltext->strikethrough);
|
|
break;
|
|
|
|
case PROP_UNDERLINE:
|
|
g_value_set_enum (value, celltext->underline_style);
|
|
break;
|
|
|
|
case PROP_RISE:
|
|
g_value_set_int (value, celltext->rise);
|
|
break;
|
|
|
|
case PROP_LANGUAGE:
|
|
g_value_set_string (value, pango_language_to_string (priv->language));
|
|
break;
|
|
|
|
case PROP_ELLIPSIZE:
|
|
g_value_set_enum (value, priv->ellipsize);
|
|
break;
|
|
|
|
case PROP_WRAP_MODE:
|
|
g_value_set_enum (value, priv->wrap_mode);
|
|
break;
|
|
|
|
case PROP_WRAP_WIDTH:
|
|
g_value_set_int (value, priv->wrap_width);
|
|
break;
|
|
|
|
case PROP_BACKGROUND_SET:
|
|
g_value_set_boolean (value, celltext->background_set);
|
|
break;
|
|
|
|
case PROP_FOREGROUND_SET:
|
|
g_value_set_boolean (value, celltext->foreground_set);
|
|
break;
|
|
|
|
case PROP_FAMILY_SET:
|
|
case PROP_STYLE_SET:
|
|
case PROP_VARIANT_SET:
|
|
case PROP_WEIGHT_SET:
|
|
case PROP_STRETCH_SET:
|
|
case PROP_SIZE_SET:
|
|
{
|
|
PangoFontMask mask = get_property_font_set_mask (param_id);
|
|
g_value_set_boolean (value, (pango_font_description_get_set_fields (celltext->font) & mask) != 0);
|
|
|
|
break;
|
|
}
|
|
|
|
case PROP_SCALE_SET:
|
|
g_value_set_boolean (value, celltext->scale_set);
|
|
break;
|
|
|
|
case PROP_EDITABLE_SET:
|
|
g_value_set_boolean (value, celltext->editable_set);
|
|
break;
|
|
|
|
case PROP_STRIKETHROUGH_SET:
|
|
g_value_set_boolean (value, celltext->strikethrough_set);
|
|
break;
|
|
|
|
case PROP_UNDERLINE_SET:
|
|
g_value_set_boolean (value, celltext->underline_set);
|
|
break;
|
|
|
|
case PROP_RISE_SET:
|
|
g_value_set_boolean (value, celltext->rise_set);
|
|
break;
|
|
|
|
case PROP_LANGUAGE_SET:
|
|
g_value_set_boolean (value, priv->language_set);
|
|
break;
|
|
|
|
case PROP_ELLIPSIZE_SET:
|
|
g_value_set_boolean (value, priv->ellipsize_set);
|
|
break;
|
|
|
|
case PROP_WIDTH_CHARS:
|
|
g_value_set_int (value, priv->width_chars);
|
|
break;
|
|
|
|
case PROP_BACKGROUND:
|
|
case PROP_FOREGROUND:
|
|
case PROP_MARKUP:
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
set_bg_color (GtkCellRendererText *celltext,
|
|
GdkColor *color)
|
|
{
|
|
if (color)
|
|
{
|
|
if (!celltext->background_set)
|
|
{
|
|
celltext->background_set = TRUE;
|
|
g_object_notify (G_OBJECT (celltext), "background_set");
|
|
}
|
|
|
|
celltext->background.red = color->red;
|
|
celltext->background.green = color->green;
|
|
celltext->background.blue = color->blue;
|
|
}
|
|
else
|
|
{
|
|
if (celltext->background_set)
|
|
{
|
|
celltext->background_set = FALSE;
|
|
g_object_notify (G_OBJECT (celltext), "background_set");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
set_fg_color (GtkCellRendererText *celltext,
|
|
GdkColor *color)
|
|
{
|
|
if (color)
|
|
{
|
|
if (!celltext->foreground_set)
|
|
{
|
|
celltext->foreground_set = TRUE;
|
|
g_object_notify (G_OBJECT (celltext), "foreground_set");
|
|
}
|
|
|
|
celltext->foreground.red = color->red;
|
|
celltext->foreground.green = color->green;
|
|
celltext->foreground.blue = color->blue;
|
|
}
|
|
else
|
|
{
|
|
if (celltext->foreground_set)
|
|
{
|
|
celltext->foreground_set = FALSE;
|
|
g_object_notify (G_OBJECT (celltext), "foreground_set");
|
|
}
|
|
}
|
|
}
|
|
|
|
static PangoFontMask
|
|
set_font_desc_fields (PangoFontDescription *desc,
|
|
PangoFontMask to_set)
|
|
{
|
|
PangoFontMask changed_mask = 0;
|
|
|
|
if (to_set & PANGO_FONT_MASK_FAMILY)
|
|
{
|
|
const char *family = pango_font_description_get_family (desc);
|
|
if (!family)
|
|
{
|
|
family = "sans";
|
|
changed_mask |= PANGO_FONT_MASK_FAMILY;
|
|
}
|
|
|
|
pango_font_description_set_family (desc, family);
|
|
}
|
|
if (to_set & PANGO_FONT_MASK_STYLE)
|
|
pango_font_description_set_style (desc, pango_font_description_get_style (desc));
|
|
if (to_set & PANGO_FONT_MASK_VARIANT)
|
|
pango_font_description_set_variant (desc, pango_font_description_get_variant (desc));
|
|
if (to_set & PANGO_FONT_MASK_WEIGHT)
|
|
pango_font_description_set_weight (desc, pango_font_description_get_weight (desc));
|
|
if (to_set & PANGO_FONT_MASK_STRETCH)
|
|
pango_font_description_set_stretch (desc, pango_font_description_get_stretch (desc));
|
|
if (to_set & PANGO_FONT_MASK_SIZE)
|
|
{
|
|
gint size = pango_font_description_get_size (desc);
|
|
if (size <= 0)
|
|
{
|
|
size = 10 * PANGO_SCALE;
|
|
changed_mask |= PANGO_FONT_MASK_SIZE;
|
|
}
|
|
|
|
pango_font_description_set_size (desc, size);
|
|
}
|
|
|
|
return changed_mask;
|
|
}
|
|
|
|
static void
|
|
notify_set_changed (GObject *object,
|
|
PangoFontMask changed_mask)
|
|
{
|
|
if (changed_mask & PANGO_FONT_MASK_FAMILY)
|
|
g_object_notify (object, "family_set");
|
|
if (changed_mask & PANGO_FONT_MASK_STYLE)
|
|
g_object_notify (object, "style_set");
|
|
if (changed_mask & PANGO_FONT_MASK_VARIANT)
|
|
g_object_notify (object, "variant_set");
|
|
if (changed_mask & PANGO_FONT_MASK_WEIGHT)
|
|
g_object_notify (object, "weight_set");
|
|
if (changed_mask & PANGO_FONT_MASK_STRETCH)
|
|
g_object_notify (object, "stretch_set");
|
|
if (changed_mask & PANGO_FONT_MASK_SIZE)
|
|
g_object_notify (object, "size_set");
|
|
}
|
|
|
|
static void
|
|
notify_fields_changed (GObject *object,
|
|
PangoFontMask changed_mask)
|
|
{
|
|
if (changed_mask & PANGO_FONT_MASK_FAMILY)
|
|
g_object_notify (object, "family");
|
|
if (changed_mask & PANGO_FONT_MASK_STYLE)
|
|
g_object_notify (object, "style");
|
|
if (changed_mask & PANGO_FONT_MASK_VARIANT)
|
|
g_object_notify (object, "variant");
|
|
if (changed_mask & PANGO_FONT_MASK_WEIGHT)
|
|
g_object_notify (object, "weight");
|
|
if (changed_mask & PANGO_FONT_MASK_STRETCH)
|
|
g_object_notify (object, "stretch");
|
|
if (changed_mask & PANGO_FONT_MASK_SIZE)
|
|
g_object_notify (object, "size");
|
|
}
|
|
|
|
static void
|
|
set_font_description (GtkCellRendererText *celltext,
|
|
PangoFontDescription *font_desc)
|
|
{
|
|
GObject *object = G_OBJECT (celltext);
|
|
PangoFontDescription *new_font_desc;
|
|
PangoFontMask old_mask, new_mask, changed_mask, set_changed_mask;
|
|
|
|
if (font_desc)
|
|
new_font_desc = pango_font_description_copy (font_desc);
|
|
else
|
|
new_font_desc = pango_font_description_new ();
|
|
|
|
old_mask = pango_font_description_get_set_fields (celltext->font);
|
|
new_mask = pango_font_description_get_set_fields (new_font_desc);
|
|
|
|
changed_mask = old_mask | new_mask;
|
|
set_changed_mask = old_mask ^ new_mask;
|
|
|
|
pango_font_description_free (celltext->font);
|
|
celltext->font = new_font_desc;
|
|
|
|
g_object_freeze_notify (object);
|
|
|
|
g_object_notify (object, "font_desc");
|
|
g_object_notify (object, "font");
|
|
|
|
if (changed_mask & PANGO_FONT_MASK_FAMILY)
|
|
g_object_notify (object, "family");
|
|
if (changed_mask & PANGO_FONT_MASK_STYLE)
|
|
g_object_notify (object, "style");
|
|
if (changed_mask & PANGO_FONT_MASK_VARIANT)
|
|
g_object_notify (object, "variant");
|
|
if (changed_mask & PANGO_FONT_MASK_WEIGHT)
|
|
g_object_notify (object, "weight");
|
|
if (changed_mask & PANGO_FONT_MASK_STRETCH)
|
|
g_object_notify (object, "stretch");
|
|
if (changed_mask & PANGO_FONT_MASK_SIZE)
|
|
{
|
|
g_object_notify (object, "size");
|
|
g_object_notify (object, "size_points");
|
|
}
|
|
|
|
notify_set_changed (object, set_changed_mask);
|
|
|
|
g_object_thaw_notify (object);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_set_property (GObject *object,
|
|
guint param_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (object);
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (object);
|
|
|
|
switch (param_id)
|
|
{
|
|
case PROP_TEXT:
|
|
if (celltext->text)
|
|
g_free (celltext->text);
|
|
|
|
if (priv->markup_set)
|
|
{
|
|
if (celltext->extra_attrs)
|
|
pango_attr_list_unref (celltext->extra_attrs);
|
|
celltext->extra_attrs = NULL;
|
|
priv->markup_set = FALSE;
|
|
}
|
|
|
|
celltext->text = g_strdup (g_value_get_string (value));
|
|
g_object_notify (object, "text");
|
|
break;
|
|
|
|
case PROP_ATTRIBUTES:
|
|
if (celltext->extra_attrs)
|
|
pango_attr_list_unref (celltext->extra_attrs);
|
|
|
|
celltext->extra_attrs = g_value_get_boxed (value);
|
|
if (celltext->extra_attrs)
|
|
pango_attr_list_ref (celltext->extra_attrs);
|
|
break;
|
|
case PROP_MARKUP:
|
|
{
|
|
const gchar *str;
|
|
gchar *text = NULL;
|
|
GError *error = NULL;
|
|
PangoAttrList *attrs = NULL;
|
|
|
|
str = g_value_get_string (value);
|
|
if (str && !pango_parse_markup (str,
|
|
-1,
|
|
0,
|
|
&attrs,
|
|
&text,
|
|
NULL,
|
|
&error))
|
|
{
|
|
g_warning ("Failed to set cell text from markup due to error parsing markup: %s",
|
|
error->message);
|
|
g_error_free (error);
|
|
return;
|
|
}
|
|
|
|
if (celltext->text)
|
|
g_free (celltext->text);
|
|
|
|
if (celltext->extra_attrs)
|
|
pango_attr_list_unref (celltext->extra_attrs);
|
|
|
|
celltext->text = text;
|
|
celltext->extra_attrs = attrs;
|
|
priv->markup_set = TRUE;
|
|
}
|
|
break;
|
|
|
|
case PROP_SINGLE_PARAGRAPH_MODE:
|
|
priv->single_paragraph = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_BACKGROUND:
|
|
{
|
|
GdkColor color;
|
|
|
|
if (!g_value_get_string (value))
|
|
set_bg_color (celltext, NULL); /* reset to backgrounmd_set to FALSE */
|
|
else if (gdk_color_parse (g_value_get_string (value), &color))
|
|
set_bg_color (celltext, &color);
|
|
else
|
|
g_warning ("Don't know color `%s'", g_value_get_string (value));
|
|
|
|
g_object_notify (object, "background_gdk");
|
|
}
|
|
break;
|
|
|
|
case PROP_FOREGROUND:
|
|
{
|
|
GdkColor color;
|
|
|
|
if (!g_value_get_string (value))
|
|
set_fg_color (celltext, NULL); /* reset to foreground_set to FALSE */
|
|
else if (gdk_color_parse (g_value_get_string (value), &color))
|
|
set_fg_color (celltext, &color);
|
|
else
|
|
g_warning ("Don't know color `%s'", g_value_get_string (value));
|
|
|
|
g_object_notify (object, "foreground_gdk");
|
|
}
|
|
break;
|
|
|
|
case PROP_BACKGROUND_GDK:
|
|
/* This notifies the GObject itself. */
|
|
set_bg_color (celltext, g_value_get_boxed (value));
|
|
break;
|
|
|
|
case PROP_FOREGROUND_GDK:
|
|
/* This notifies the GObject itself. */
|
|
set_fg_color (celltext, g_value_get_boxed (value));
|
|
break;
|
|
|
|
case PROP_FONT:
|
|
{
|
|
PangoFontDescription *font_desc = NULL;
|
|
const gchar *name;
|
|
|
|
name = g_value_get_string (value);
|
|
|
|
if (name)
|
|
font_desc = pango_font_description_from_string (name);
|
|
|
|
set_font_description (celltext, font_desc);
|
|
|
|
pango_font_description_free (font_desc);
|
|
|
|
if (celltext->fixed_height_rows != -1)
|
|
celltext->calc_fixed_height = TRUE;
|
|
}
|
|
break;
|
|
|
|
case PROP_FONT_DESC:
|
|
set_font_description (celltext, g_value_get_boxed (value));
|
|
|
|
if (celltext->fixed_height_rows != -1)
|
|
celltext->calc_fixed_height = TRUE;
|
|
break;
|
|
|
|
case PROP_FAMILY:
|
|
case PROP_STYLE:
|
|
case PROP_VARIANT:
|
|
case PROP_WEIGHT:
|
|
case PROP_STRETCH:
|
|
case PROP_SIZE:
|
|
case PROP_SIZE_POINTS:
|
|
{
|
|
PangoFontMask old_set_mask = pango_font_description_get_set_fields (celltext->font);
|
|
|
|
switch (param_id)
|
|
{
|
|
case PROP_FAMILY:
|
|
pango_font_description_set_family (celltext->font,
|
|
g_value_get_string (value));
|
|
break;
|
|
case PROP_STYLE:
|
|
pango_font_description_set_style (celltext->font,
|
|
g_value_get_enum (value));
|
|
break;
|
|
case PROP_VARIANT:
|
|
pango_font_description_set_variant (celltext->font,
|
|
g_value_get_enum (value));
|
|
break;
|
|
case PROP_WEIGHT:
|
|
pango_font_description_set_weight (celltext->font,
|
|
g_value_get_int (value));
|
|
break;
|
|
case PROP_STRETCH:
|
|
pango_font_description_set_stretch (celltext->font,
|
|
g_value_get_enum (value));
|
|
break;
|
|
case PROP_SIZE:
|
|
pango_font_description_set_size (celltext->font,
|
|
g_value_get_int (value));
|
|
g_object_notify (object, "size_points");
|
|
break;
|
|
case PROP_SIZE_POINTS:
|
|
pango_font_description_set_size (celltext->font,
|
|
g_value_get_double (value) * PANGO_SCALE);
|
|
g_object_notify (object, "size");
|
|
break;
|
|
}
|
|
|
|
if (celltext->fixed_height_rows != -1)
|
|
celltext->calc_fixed_height = TRUE;
|
|
|
|
notify_set_changed (object, old_set_mask & pango_font_description_get_set_fields (celltext->font));
|
|
g_object_notify (object, "font_desc");
|
|
g_object_notify (object, "font");
|
|
|
|
break;
|
|
}
|
|
|
|
case PROP_SCALE:
|
|
celltext->font_scale = g_value_get_double (value);
|
|
celltext->scale_set = TRUE;
|
|
if (celltext->fixed_height_rows != -1)
|
|
celltext->calc_fixed_height = TRUE;
|
|
g_object_notify (object, "scale_set");
|
|
break;
|
|
|
|
case PROP_EDITABLE:
|
|
celltext->editable = g_value_get_boolean (value);
|
|
celltext->editable_set = TRUE;
|
|
if (celltext->editable)
|
|
GTK_CELL_RENDERER (celltext)->mode = GTK_CELL_RENDERER_MODE_EDITABLE;
|
|
else
|
|
GTK_CELL_RENDERER (celltext)->mode = GTK_CELL_RENDERER_MODE_INERT;
|
|
g_object_notify (object, "editable_set");
|
|
break;
|
|
|
|
case PROP_STRIKETHROUGH:
|
|
celltext->strikethrough = g_value_get_boolean (value);
|
|
celltext->strikethrough_set = TRUE;
|
|
g_object_notify (object, "strikethrough_set");
|
|
break;
|
|
|
|
case PROP_UNDERLINE:
|
|
celltext->underline_style = g_value_get_enum (value);
|
|
celltext->underline_set = TRUE;
|
|
g_object_notify (object, "underline_set");
|
|
|
|
break;
|
|
|
|
case PROP_RISE:
|
|
celltext->rise = g_value_get_int (value);
|
|
celltext->rise_set = TRUE;
|
|
g_object_notify (object, "rise_set");
|
|
if (celltext->fixed_height_rows != -1)
|
|
celltext->calc_fixed_height = TRUE;
|
|
break;
|
|
|
|
case PROP_LANGUAGE:
|
|
priv->language_set = TRUE;
|
|
if (priv->language)
|
|
g_object_unref (priv->language);
|
|
priv->language = pango_language_from_string (g_value_get_string (value));
|
|
g_object_notify (object, "language_set");
|
|
break;
|
|
|
|
case PROP_ELLIPSIZE:
|
|
priv->ellipsize = g_value_get_enum (value);
|
|
priv->ellipsize_set = TRUE;
|
|
g_object_notify (object, "ellipsize_set");
|
|
break;
|
|
|
|
case PROP_WRAP_MODE:
|
|
priv->wrap_mode = g_value_get_enum (value);
|
|
break;
|
|
|
|
case PROP_WRAP_WIDTH:
|
|
priv->wrap_width = g_value_get_int (value);
|
|
break;
|
|
|
|
case PROP_WIDTH_CHARS:
|
|
priv->width_chars = g_value_get_int (value);
|
|
break;
|
|
|
|
case PROP_BACKGROUND_SET:
|
|
celltext->background_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_FOREGROUND_SET:
|
|
celltext->foreground_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_FAMILY_SET:
|
|
case PROP_STYLE_SET:
|
|
case PROP_VARIANT_SET:
|
|
case PROP_WEIGHT_SET:
|
|
case PROP_STRETCH_SET:
|
|
case PROP_SIZE_SET:
|
|
if (!g_value_get_boolean (value))
|
|
{
|
|
pango_font_description_unset_fields (celltext->font,
|
|
get_property_font_set_mask (param_id));
|
|
}
|
|
else
|
|
{
|
|
PangoFontMask changed_mask;
|
|
|
|
changed_mask = set_font_desc_fields (celltext->font,
|
|
get_property_font_set_mask (param_id));
|
|
notify_fields_changed (G_OBJECT (celltext), changed_mask);
|
|
}
|
|
break;
|
|
|
|
case PROP_SCALE_SET:
|
|
celltext->scale_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_EDITABLE_SET:
|
|
celltext->editable_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_STRIKETHROUGH_SET:
|
|
celltext->strikethrough_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_UNDERLINE_SET:
|
|
celltext->underline_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_RISE_SET:
|
|
celltext->rise_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_LANGUAGE_SET:
|
|
priv->language_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
case PROP_ELLIPSIZE_SET:
|
|
priv->ellipsize_set = g_value_get_boolean (value);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_text_new:
|
|
*
|
|
* Creates a new #GtkCellRendererText. Adjust how text is drawn using
|
|
* object properties. Object properties can be
|
|
* set globally (with g_object_set()). Also, with #GtkTreeViewColumn,
|
|
* you can bind a property to a value in a #GtkTreeModel. For example,
|
|
* you can bind the "text" property on the cell renderer to a string
|
|
* value in the model, thus rendering a different string in each row
|
|
* of the #GtkTreeView
|
|
*
|
|
* Return value: the new cell renderer
|
|
**/
|
|
GtkCellRenderer *
|
|
gtk_cell_renderer_text_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_CELL_RENDERER_TEXT, NULL);
|
|
}
|
|
|
|
static void
|
|
add_attr (PangoAttrList *attr_list,
|
|
PangoAttribute *attr)
|
|
{
|
|
attr->start_index = 0;
|
|
attr->end_index = G_MAXINT;
|
|
|
|
pango_attr_list_insert (attr_list, attr);
|
|
}
|
|
|
|
static PangoLayout*
|
|
get_layout (GtkCellRendererText *celltext,
|
|
GtkWidget *widget,
|
|
gboolean will_render,
|
|
GtkCellRendererState flags)
|
|
{
|
|
PangoAttrList *attr_list;
|
|
PangoLayout *layout;
|
|
PangoUnderline uline;
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (celltext);
|
|
|
|
layout = gtk_widget_create_pango_layout (widget, celltext->text);
|
|
|
|
if (celltext->extra_attrs)
|
|
attr_list = pango_attr_list_copy (celltext->extra_attrs);
|
|
else
|
|
attr_list = pango_attr_list_new ();
|
|
|
|
pango_layout_set_single_paragraph_mode (layout, priv->single_paragraph);
|
|
|
|
if (will_render)
|
|
{
|
|
/* Add options that affect appearance but not size */
|
|
|
|
/* note that background doesn't go here, since it affects
|
|
* background_area not the PangoLayout area
|
|
*/
|
|
|
|
if (celltext->foreground_set
|
|
&& (flags & GTK_CELL_RENDERER_SELECTED) == 0)
|
|
{
|
|
PangoColor color;
|
|
|
|
color = celltext->foreground;
|
|
|
|
add_attr (attr_list,
|
|
pango_attr_foreground_new (color.red, color.green, color.blue));
|
|
}
|
|
|
|
if (celltext->strikethrough_set)
|
|
add_attr (attr_list,
|
|
pango_attr_strikethrough_new (celltext->strikethrough));
|
|
}
|
|
|
|
add_attr (attr_list, pango_attr_font_desc_new (celltext->font));
|
|
|
|
if (celltext->scale_set &&
|
|
celltext->font_scale != 1.0)
|
|
add_attr (attr_list, pango_attr_scale_new (celltext->font_scale));
|
|
|
|
if (celltext->underline_set)
|
|
uline = celltext->underline_style;
|
|
else
|
|
uline = PANGO_UNDERLINE_NONE;
|
|
|
|
if (priv->language_set)
|
|
add_attr (attr_list, pango_attr_language_new (priv->language));
|
|
|
|
if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT)
|
|
{
|
|
switch (uline)
|
|
{
|
|
case PANGO_UNDERLINE_NONE:
|
|
uline = PANGO_UNDERLINE_SINGLE;
|
|
break;
|
|
|
|
case PANGO_UNDERLINE_SINGLE:
|
|
uline = PANGO_UNDERLINE_DOUBLE;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (uline != PANGO_UNDERLINE_NONE)
|
|
add_attr (attr_list, pango_attr_underline_new (celltext->underline_style));
|
|
|
|
if (celltext->rise_set)
|
|
add_attr (attr_list, pango_attr_rise_new (celltext->rise));
|
|
|
|
if (priv->ellipsize_set)
|
|
pango_layout_set_ellipsize (layout, priv->ellipsize);
|
|
else
|
|
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
|
|
|
|
if (priv->wrap_width != -1)
|
|
{
|
|
pango_layout_set_width (layout, priv->wrap_width * PANGO_SCALE);
|
|
pango_layout_set_wrap (layout, priv->wrap_mode);
|
|
|
|
if (pango_layout_get_line_count (layout) == 1)
|
|
{
|
|
pango_layout_set_width (layout, -1);
|
|
pango_layout_set_wrap (layout, PANGO_WRAP_CHAR);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pango_layout_set_width (layout, -1);
|
|
pango_layout_set_wrap (layout, PANGO_WRAP_CHAR);
|
|
}
|
|
|
|
pango_layout_set_attributes (layout, attr_list);
|
|
|
|
pango_attr_list_unref (attr_list);
|
|
|
|
return layout;
|
|
}
|
|
|
|
static void
|
|
get_size (GtkCellRenderer *cell,
|
|
GtkWidget *widget,
|
|
GdkRectangle *cell_area,
|
|
PangoLayout *layout,
|
|
gint *x_offset,
|
|
gint *y_offset,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
GtkCellRendererText *celltext = (GtkCellRendererText *) cell;
|
|
PangoRectangle rect;
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (cell);
|
|
|
|
if (celltext->calc_fixed_height)
|
|
{
|
|
PangoContext *context;
|
|
PangoFontMetrics *metrics;
|
|
PangoFontDescription *font_desc;
|
|
gint row_height;
|
|
|
|
font_desc = pango_font_description_copy (widget->style->font_desc);
|
|
pango_font_description_merge (font_desc, celltext->font, TRUE);
|
|
|
|
if (celltext->scale_set)
|
|
pango_font_description_set_size (font_desc,
|
|
celltext->font_scale * pango_font_description_get_size (font_desc));
|
|
|
|
context = gtk_widget_get_pango_context (widget);
|
|
|
|
metrics = pango_context_get_metrics (context,
|
|
font_desc,
|
|
pango_context_get_language (context));
|
|
row_height = (pango_font_metrics_get_ascent (metrics) +
|
|
pango_font_metrics_get_descent (metrics));
|
|
pango_font_metrics_unref (metrics);
|
|
|
|
pango_font_description_free (font_desc);
|
|
|
|
gtk_cell_renderer_set_fixed_size (cell,
|
|
cell->width, 2*cell->ypad +
|
|
celltext->fixed_height_rows * PANGO_PIXELS (row_height));
|
|
|
|
if (height)
|
|
{
|
|
*height = cell->height;
|
|
height = NULL;
|
|
}
|
|
celltext->calc_fixed_height = FALSE;
|
|
if (width == NULL)
|
|
return;
|
|
}
|
|
|
|
if (layout)
|
|
g_object_ref (layout);
|
|
else
|
|
layout = get_layout (celltext, widget, FALSE, 0);
|
|
|
|
pango_layout_get_pixel_extents (layout, NULL, &rect);
|
|
|
|
if (height)
|
|
*height = GTK_CELL_RENDERER (celltext)->ypad * 2 + rect.height;
|
|
|
|
/* The minimum size for ellipsized labels is ~ 3 chars */
|
|
if (width)
|
|
{
|
|
if (priv->ellipsize || priv->width_chars > 0)
|
|
{
|
|
PangoContext *context;
|
|
PangoFontMetrics *metrics;
|
|
gint char_width;
|
|
|
|
context = pango_layout_get_context (layout);
|
|
metrics = pango_context_get_metrics (context, widget->style->font_desc, pango_context_get_language (context));
|
|
|
|
char_width = pango_font_metrics_get_approximate_char_width (metrics);
|
|
pango_font_metrics_unref (metrics);
|
|
|
|
*width = GTK_CELL_RENDERER (celltext)->xpad * 2
|
|
+ (PANGO_PIXELS (char_width) * MAX (priv->width_chars, 3));
|
|
}
|
|
else
|
|
{
|
|
*width = GTK_CELL_RENDERER (celltext)->xpad * 2 + rect.width;
|
|
}
|
|
}
|
|
|
|
if (cell_area)
|
|
{
|
|
if (x_offset)
|
|
{
|
|
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
|
|
*x_offset = (1.0 - cell->xalign) * (cell_area->width - rect.width - (2 * cell->xpad));
|
|
else
|
|
*x_offset = cell->xalign * (cell_area->width - rect.width - (2 * cell->xpad));
|
|
|
|
if (priv->ellipsize_set || priv->wrap_width != -1)
|
|
*x_offset = MAX(*x_offset, 0);
|
|
}
|
|
if (y_offset)
|
|
{
|
|
*y_offset = cell->yalign * (cell_area->height - rect.height - (2 * cell->ypad));
|
|
*y_offset = MAX (*y_offset, 0);
|
|
}
|
|
}
|
|
|
|
g_object_unref (layout);
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_cell_renderer_text_get_size (GtkCellRenderer *cell,
|
|
GtkWidget *widget,
|
|
GdkRectangle *cell_area,
|
|
gint *x_offset,
|
|
gint *y_offset,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
get_size (cell, widget, cell_area, NULL,
|
|
x_offset, y_offset, width, height);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_render (GtkCellRenderer *cell,
|
|
GdkDrawable *window,
|
|
GtkWidget *widget,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GdkRectangle *expose_area,
|
|
GtkCellRendererState flags)
|
|
|
|
{
|
|
GtkCellRendererText *celltext = (GtkCellRendererText *) cell;
|
|
PangoLayout *layout;
|
|
GtkStateType state;
|
|
gint x_offset;
|
|
gint y_offset;
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (cell);
|
|
|
|
layout = get_layout (celltext, widget, TRUE, flags);
|
|
get_size (cell, widget, cell_area, layout, &x_offset, &y_offset, NULL, NULL);
|
|
|
|
if (!cell->sensitive)
|
|
{
|
|
state = GTK_STATE_INSENSITIVE;
|
|
}
|
|
else if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
|
|
{
|
|
if (GTK_WIDGET_HAS_FOCUS (widget))
|
|
state = GTK_STATE_SELECTED;
|
|
else
|
|
state = GTK_STATE_ACTIVE;
|
|
}
|
|
else if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT &&
|
|
GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT)
|
|
{
|
|
state = GTK_STATE_PRELIGHT;
|
|
}
|
|
else
|
|
{
|
|
if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE)
|
|
state = GTK_STATE_INSENSITIVE;
|
|
else
|
|
state = GTK_STATE_NORMAL;
|
|
}
|
|
|
|
if (celltext->background_set &&
|
|
(flags & GTK_CELL_RENDERER_SELECTED) == 0)
|
|
{
|
|
GdkColor color;
|
|
GdkGC *gc;
|
|
|
|
color.red = celltext->background.red;
|
|
color.green = celltext->background.green;
|
|
color.blue = celltext->background.blue;
|
|
|
|
gc = gdk_gc_new (window);
|
|
|
|
gdk_gc_set_rgb_fg_color (gc, &color);
|
|
|
|
if (expose_area)
|
|
gdk_gc_set_clip_rectangle (gc, expose_area);
|
|
gdk_draw_rectangle (window,
|
|
gc,
|
|
TRUE,
|
|
background_area->x,
|
|
background_area->y,
|
|
background_area->width,
|
|
background_area->height);
|
|
if (expose_area)
|
|
gdk_gc_set_clip_rectangle (gc, NULL);
|
|
g_object_unref (gc);
|
|
}
|
|
|
|
if (priv->ellipsize_set)
|
|
pango_layout_set_width (layout,
|
|
(cell_area->width - x_offset - 2 * cell->xpad) * PANGO_SCALE);
|
|
else if (priv->wrap_width == -1)
|
|
pango_layout_set_width (layout, -1);
|
|
|
|
gtk_paint_layout (widget->style,
|
|
window,
|
|
state,
|
|
TRUE,
|
|
expose_area,
|
|
widget,
|
|
"cellrenderertext",
|
|
cell_area->x + x_offset + cell->xpad,
|
|
cell_area->y + y_offset + cell->ypad,
|
|
layout);
|
|
|
|
g_object_unref (layout);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_editing_done (GtkCellEditable *entry,
|
|
gpointer data)
|
|
{
|
|
const gchar *path;
|
|
const gchar *new_text;
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (data);
|
|
|
|
priv->entry = NULL;
|
|
|
|
if (priv->focus_out_id > 0)
|
|
{
|
|
g_signal_handler_disconnect (entry, priv->focus_out_id);
|
|
priv->focus_out_id = 0;
|
|
}
|
|
|
|
if (priv->populate_popup_id > 0)
|
|
{
|
|
g_signal_handler_disconnect (entry, priv->populate_popup_id);
|
|
priv->populate_popup_id = 0;
|
|
}
|
|
|
|
if (priv->entry_menu_popdown_timeout)
|
|
{
|
|
g_source_remove (priv->entry_menu_popdown_timeout);
|
|
priv->entry_menu_popdown_timeout = 0;
|
|
}
|
|
|
|
gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (data),
|
|
GTK_ENTRY (entry)->editing_canceled);
|
|
if (GTK_ENTRY (entry)->editing_canceled)
|
|
return;
|
|
|
|
path = g_object_get_data (G_OBJECT (entry), GTK_CELL_RENDERER_TEXT_PATH);
|
|
new_text = gtk_entry_get_text (GTK_ENTRY (entry));
|
|
|
|
g_signal_emit (data, text_cell_renderer_signals[EDITED], 0, path, new_text);
|
|
}
|
|
|
|
static gboolean
|
|
popdown_timeout (gpointer data)
|
|
{
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
GDK_THREADS_ENTER ();
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (data);
|
|
|
|
priv->entry_menu_popdown_timeout = 0;
|
|
|
|
if (!GTK_WIDGET_HAS_FOCUS (priv->entry))
|
|
gtk_cell_renderer_text_editing_done (GTK_CELL_EDITABLE (priv->entry), data);
|
|
|
|
GDK_THREADS_LEAVE ();
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_popup_unmap (GtkMenu *menu,
|
|
gpointer data)
|
|
{
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (data);
|
|
|
|
priv->in_entry_menu = FALSE;
|
|
|
|
if (priv->entry_menu_popdown_timeout)
|
|
return;
|
|
|
|
priv->entry_menu_popdown_timeout = g_timeout_add (500, popdown_timeout,
|
|
data);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_text_populate_popup (GtkEntry *entry,
|
|
GtkMenu *menu,
|
|
gpointer data)
|
|
{
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (data);
|
|
|
|
if (priv->entry_menu_popdown_timeout)
|
|
{
|
|
g_source_remove (priv->entry_menu_popdown_timeout);
|
|
priv->entry_menu_popdown_timeout = 0;
|
|
}
|
|
|
|
priv->in_entry_menu = TRUE;
|
|
|
|
g_signal_connect (menu, "unmap",
|
|
G_CALLBACK (gtk_cell_renderer_text_popup_unmap), data);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_cell_renderer_text_focus_out_event (GtkWidget *entry,
|
|
GdkEvent *event,
|
|
gpointer data)
|
|
{
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (data);
|
|
|
|
if (priv->in_entry_menu)
|
|
return FALSE;
|
|
|
|
gtk_cell_renderer_text_editing_done (GTK_CELL_EDITABLE (entry), data);
|
|
|
|
/* entry needs focus-out-event */
|
|
return FALSE;
|
|
}
|
|
|
|
static GtkCellEditable *
|
|
gtk_cell_renderer_text_start_editing (GtkCellRenderer *cell,
|
|
GdkEvent *event,
|
|
GtkWidget *widget,
|
|
const gchar *path,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GtkCellRendererState flags)
|
|
{
|
|
GtkCellRendererText *celltext;
|
|
GtkCellRendererTextPrivate *priv;
|
|
|
|
celltext = GTK_CELL_RENDERER_TEXT (cell);
|
|
priv = GTK_CELL_RENDERER_TEXT_GET_PRIVATE (cell);
|
|
|
|
/* If the cell isn't editable we return NULL. */
|
|
if (celltext->editable == FALSE)
|
|
return NULL;
|
|
|
|
priv->entry = g_object_new (GTK_TYPE_ENTRY,
|
|
"has_frame", FALSE,
|
|
"xalign", cell->xalign,
|
|
NULL);
|
|
|
|
if (celltext->text)
|
|
gtk_entry_set_text (GTK_ENTRY (priv->entry), celltext->text);
|
|
g_object_set_data_full (G_OBJECT (priv->entry), GTK_CELL_RENDERER_TEXT_PATH, g_strdup (path), g_free);
|
|
|
|
gtk_editable_select_region (GTK_EDITABLE (priv->entry), 0, -1);
|
|
|
|
|
|
priv->in_entry_menu = FALSE;
|
|
if (priv->entry_menu_popdown_timeout)
|
|
{
|
|
g_source_remove (priv->entry_menu_popdown_timeout);
|
|
priv->entry_menu_popdown_timeout = 0;
|
|
}
|
|
|
|
g_signal_connect (priv->entry,
|
|
"editing_done",
|
|
G_CALLBACK (gtk_cell_renderer_text_editing_done),
|
|
celltext);
|
|
priv->focus_out_id = g_signal_connect (priv->entry, "focus_out_event",
|
|
G_CALLBACK (gtk_cell_renderer_text_focus_out_event),
|
|
celltext);
|
|
priv->populate_popup_id =
|
|
g_signal_connect (priv->entry, "populate_popup",
|
|
G_CALLBACK (gtk_cell_renderer_text_populate_popup),
|
|
celltext);
|
|
|
|
gtk_widget_show (priv->entry);
|
|
|
|
return GTK_CELL_EDITABLE (priv->entry);
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_text_set_fixed_height_from_font:
|
|
* @renderer: A #GtkCellRendererText
|
|
* @number_of_rows: Number of rows of text each cell renderer is allocated, or -1
|
|
*
|
|
* Sets the height of a renderer to explicitly be determined by the "font" and
|
|
* "y_pad" property set on it. Further changes in these properties do not
|
|
* affect the height, so they must be accompanied by a subsequent call to this
|
|
* function. Using this function is unflexible, and should really only be used
|
|
* if calculating the size of a cell is too slow (ie, a massive number of cells
|
|
* displayed). If @number_of_rows is -1, then the fixed height is unset, and
|
|
* the height is determined by the properties again.
|
|
**/
|
|
void
|
|
gtk_cell_renderer_text_set_fixed_height_from_font (GtkCellRendererText *renderer,
|
|
gint number_of_rows)
|
|
{
|
|
g_return_if_fail (GTK_IS_CELL_RENDERER_TEXT (renderer));
|
|
g_return_if_fail (number_of_rows == -1 || number_of_rows > 0);
|
|
|
|
if (number_of_rows == -1)
|
|
{
|
|
gtk_cell_renderer_set_fixed_size (GTK_CELL_RENDERER (renderer),
|
|
GTK_CELL_RENDERER (renderer)->width,
|
|
-1);
|
|
}
|
|
else
|
|
{
|
|
renderer->fixed_height_rows = number_of_rows;
|
|
renderer->calc_fixed_height = TRUE;
|
|
}
|
|
}
|