/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include <config.h>
#include "e-minicard-label.h"
#include <gtk/gtksignal.h>
#include <libgnomecanvas/gnome-canvas-rect-ellipse.h>
#include <glib/gi18n.h>
#include <e-util/e-util.h>
#include <text/e-text.h>
#include <misc/e-canvas.h>
#include <misc/e-canvas-utils.h>
#include <gdk/gdkkeysyms.h>
static void e_minicard_label_init (EMinicardLabel *card);
static void e_minicard_label_class_init (EMinicardLabelClass *klass);
static void e_minicard_label_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void e_minicard_label_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static gboolean e_minicard_label_event (GnomeCanvasItem *item, GdkEvent *event);
static void e_minicard_label_realize (GnomeCanvasItem *item);
static void e_minicard_label_unrealize (GnomeCanvasItem *item);
static void e_minicard_label_reflow(GnomeCanvasItem *item, int flags);
static void e_minicard_label_style_set (EMinicardLabel *label, GtkStyle *previous_style);
static void e_minicard_label_resize_children( EMinicardLabel *e_minicard_label );
static void set_colors (EMinicardLabel *label);
static GnomeCanvasGroupClass *parent_class = NULL;
/* The arguments we take */
enum {
PROP_0,
PROP_WIDTH,
PROP_HEIGHT,
PROP_HAS_FOCUS,
PROP_FIELD,
PROP_FIELDNAME,
PROP_TEXT_MODEL,
PROP_MAX_FIELD_NAME_WIDTH,
PROP_EDITABLE
};
enum {
STYLE_SET,
LAST_SIGNAL
};
static guint e_minicard_label_signals [LAST_SIGNAL] = {0, };
GType
e_minicard_label_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (EMinicardLabelClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) e_minicard_label_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (EMinicardLabel),
0, /* n_preallocs */
(GInstanceInitFunc) e_minicard_label_init,
};
type = g_type_register_static (gnome_canvas_group_get_type (), "EMinicardLabel", &info, 0);
}
return type;
}
static void
e_minicard_label_class_init (EMinicardLabelClass *klass)
{
GObjectClass *object_class;
GnomeCanvasItemClass *item_class;
object_class = G_OBJECT_CLASS (klass);
item_class = (GnomeCanvasItemClass *) klass;
klass->style_set = e_minicard_label_style_set;
parent_class = g_type_class_peek_parent (klass);
object_class->set_property = e_minicard_label_set_property;
object_class->get_property = e_minicard_label_get_property;
/* object_class->destroy = e_minicard_label_destroy; */
g_object_class_install_property (object_class, PROP_WIDTH,
g_param_spec_double ("width",
_("Width"),
/*_( */"XXX blurb" /*)*/,
0.0, G_MAXDOUBLE, 10.0,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_HEIGHT,
g_param_spec_double ("height",
_("Height"),
/*_( */"XXX blurb" /*)*/,
0.0, G_MAXDOUBLE, 10.0,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_HAS_FOCUS,
g_param_spec_boolean ("has_focus",
_("Has Focus"),
/*_( */"XXX blurb" /*)*/,
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_FIELD,
g_param_spec_string ("field",
_("Field"),
/*_( */"XXX blurb" /*)*/,
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_FIELDNAME,
g_param_spec_string ("fieldname",
_("Field Name"),
/*_( */"XXX blurb" /*)*/,
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_TEXT_MODEL,
g_param_spec_object ("text_model",
_("Text Model"),
/*_( */"XXX blurb" /*)*/,
E_TYPE_TEXT_MODEL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_MAX_FIELD_NAME_WIDTH,
g_param_spec_double ("max_field_name_length",
_("Max field name length"),
/*_( */"XXX blurb" /*)*/,
-1.0, G_MAXDOUBLE, -1.0,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_EDITABLE,
g_param_spec_boolean ("editable",
_("Editable"),
/*_( */"XXX blurb" /*)*/,
FALSE,
G_PARAM_READWRITE));
e_minicard_label_signals [STYLE_SET] =
g_signal_new ("style_set",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EMinicardLabelClass, style_set),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GTK_TYPE_STYLE);
/* GnomeCanvasItem method overrides */
item_class->realize = e_minicard_label_realize;
item_class->unrealize = e_minicard_label_unrealize;
item_class->event = e_minicard_label_event;
}
static void
e_minicard_label_init (EMinicardLabel *minicard_label)
{
minicard_label->width = 10;
minicard_label->height = 10;
minicard_label->rect = NULL;
minicard_label->fieldname = NULL;
minicard_label->field = NULL;
minicard_label->max_field_name_length = -1;
e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(minicard_label), e_minicard_label_reflow);
}
static void
e_minicard_label_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
EMinicardLabel *e_minicard_label;
GnomeCanvasItem *item;
e_minicard_label = E_MINICARD_LABEL (object);
item = GNOME_CANVAS_ITEM (object);
switch (prop_id){
case PROP_WIDTH:
e_minicard_label->width = g_value_get_double (value);
e_minicard_label_resize_children(e_minicard_label);
e_canvas_item_request_reflow (item);
break;
case PROP_HAS_FOCUS:
if (e_minicard_label->field && (g_value_get_boolean (value) != E_FOCUS_NONE))
e_canvas_item_grab_focus(e_minicard_label->field, FALSE);
break;
case PROP_FIELD:
gnome_canvas_item_set( e_minicard_label->field, "text", g_value_get_string (value), NULL );
break;
case PROP_FIELDNAME:
gnome_canvas_item_set( e_minicard_label->fieldname, "text", g_value_get_string (value), NULL );
break;
case PROP_TEXT_MODEL:
gnome_canvas_item_set( e_minicard_label->field, "model", g_value_get_object (value), NULL);
break;
case PROP_MAX_FIELD_NAME_WIDTH:
e_minicard_label->max_field_name_length = g_value_get_double (value);
break;
case PROP_EDITABLE:
e_minicard_label->editable = g_value_get_boolean (value);
g_object_set (e_minicard_label->field, "editable", FALSE /* e_minicard_label->editable */, NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
e_minicard_label_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
EMinicardLabel *e_minicard_label;
e_minicard_label = E_MINICARD_LABEL (object);
switch (prop_id) {
case PROP_WIDTH:
g_value_set_double (value, e_minicard_label->width);
break;
case PROP_HEIGHT:
g_value_set_double (value, e_minicard_label->height);
break;
case PROP_HAS_FOCUS:
g_value_set_boolean (value, e_minicard_label->has_focus ? E_FOCUS_CURRENT : E_FOCUS_NONE);
break;
case PROP_FIELD:
g_object_get_property (G_OBJECT (e_minicard_label->field),
"text", value);
break;
case PROP_FIELDNAME:
g_object_get_property (G_OBJECT (e_minicard_label->fieldname),
"text", value);
break;
case PROP_TEXT_MODEL:
g_object_get_property (G_OBJECT (e_minicard_label->field),
"model", value);
break;
case PROP_MAX_FIELD_NAME_WIDTH:
g_value_set_double (value, e_minicard_label->max_field_name_length);
break;
case PROP_EDITABLE:
g_value_set_boolean (value, e_minicard_label->editable);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
e_minicard_label_realize (GnomeCanvasItem *item)
{
EMinicardLabel *e_minicard_label;
GnomeCanvasGroup *group;
e_minicard_label = E_MINICARD_LABEL (item);
group = GNOME_CANVAS_GROUP( item );
if (GNOME_CANVAS_ITEM_CLASS( parent_class )->realize)
(* GNOME_CANVAS_ITEM_CLASS( parent_class )->realize) (item);
e_canvas_item_request_reflow(item);
e_minicard_label->rect =
gnome_canvas_item_new( group,
gnome_canvas_rect_get_type(),
"x1", (double) 0,
"y1", (double) 0,
"x2", (double) e_minicard_label->width - 1,
"y2", (double) e_minicard_label->height - 1,
"outline_color", NULL,
NULL );
e_minicard_label->fieldname =
gnome_canvas_item_new( group,
e_text_get_type(),
"anchor", GTK_ANCHOR_NW,
"clip_width", (double) ( e_minicard_label->width / 2 - 4 ),
"clip", TRUE,
"use_ellipsis", TRUE,
"fill_color", "black",
"draw_background", FALSE,
"im_context", E_CANVAS (item->canvas)->im_context,
NULL );
e_canvas_item_move_absolute(e_minicard_label->fieldname, 2, 1);
e_minicard_label->field =
gnome_canvas_item_new( group,
e_text_get_type(),
"anchor", GTK_ANCHOR_NW,
"clip_width", (double) ( ( e_minicard_label->width + 1 ) / 2 - 4 ),
"clip", TRUE,
"use_ellipsis", TRUE,
"fill_color", "black",
"editable", FALSE, /* e_minicard_label->editable, */
"draw_background", FALSE,
"im_context", E_CANVAS (item->canvas)->im_context,
NULL );
e_canvas_item_move_absolute(e_minicard_label->field, ( e_minicard_label->width / 2 + 2), 1);
set_colors (e_minicard_label);
e_canvas_item_request_reflow(item);
}
static void
e_minicard_label_unrealize (GnomeCanvasItem *item)
{
if (GNOME_CANVAS_ITEM_CLASS( parent_class )->unrealize)
(* GNOME_CANVAS_ITEM_CLASS( parent_class )->unrealize) (item);
}
static gboolean
e_minicard_label_event (GnomeCanvasItem *item, GdkEvent *event)
{
EMinicardLabel *e_minicard_label;
e_minicard_label = E_MINICARD_LABEL (item);
switch( event->type ) {
case GDK_KEY_PRESS:
if (event->key.keyval == GDK_Escape) {
GnomeCanvasItem *parent;
e_text_cancel_editing (E_TEXT (e_minicard_label->field));
parent = GNOME_CANVAS_ITEM (e_minicard_label)->parent;
if (parent)
e_canvas_item_grab_focus(parent, FALSE);
}
break;
case GDK_FOCUS_CHANGE: {
GdkEventFocus *focus_event = (GdkEventFocus *) event;
e_minicard_label->has_focus = focus_event->in;
set_colors (e_minicard_label);
g_object_set (e_minicard_label->field,
"handle_popup", e_minicard_label->has_focus,
NULL);
break;
}
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_MOTION_NOTIFY:
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY: {
gboolean return_val;
g_signal_emit_by_name(e_minicard_label->field, "event", event, &return_val);
return return_val;
}
default:
break;
}
if (GNOME_CANVAS_ITEM_CLASS( parent_class )->event)
return (* GNOME_CANVAS_ITEM_CLASS( parent_class )->event) (item, event);
else
return 0;
}
static void
e_minicard_label_resize_children(EMinicardLabel *e_minicard_label)
{
double left_width;
double fieldnamewidth;
double fieldwidth;
gboolean is_rtl = (gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL);
if (e_minicard_label->max_field_name_length != -1 && ((e_minicard_label->width / 2) - 4 > e_minicard_label->max_field_name_length))
left_width = e_minicard_label->max_field_name_length;
else
left_width = e_minicard_label->width / 2 - 4;
fieldnamewidth = (double) MAX ( left_width, 0 );
fieldwidth = (double) MAX ( e_minicard_label->width - 8 - left_width, 0 );
gnome_canvas_item_set( e_minicard_label->fieldname,
"clip_width", is_rtl ? fieldwidth : fieldnamewidth,
NULL );
gnome_canvas_item_set( e_minicard_label->field,
"clip_width", is_rtl ? fieldnamewidth : fieldwidth,
NULL );
}
static void
set_colors (EMinicardLabel *label)
{
if ( (GTK_OBJECT_FLAGS( label ) & GNOME_CANVAS_ITEM_REALIZED) ) {
GtkWidget *canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (label)->canvas);
GtkStyle *style = gtk_widget_get_style (canvas);
if (label->has_focus) {
gnome_canvas_item_set (label->rect,
"outline_color_gdk", &style->mid[GTK_STATE_SELECTED],
"fill_color_gdk", &style->bg[GTK_STATE_NORMAL],
NULL);
gnome_canvas_item_set (label->field,
"fill_color_gdk", &canvas->style->text[GTK_STATE_NORMAL],
NULL);
gnome_canvas_item_set (label->fieldname,
"fill_color_gdk", &canvas->style->text[GTK_STATE_NORMAL],
NULL);
}
else {
gnome_canvas_item_set (label->rect,
"outline_color_gdk", NULL,
"fill_color_gdk", NULL,
NULL);
gnome_canvas_item_set (label->field,
"fill_color_gdk", &canvas->style->text[GTK_STATE_NORMAL],
NULL);
gnome_canvas_item_set (label->fieldname,
"fill_color_gdk", &canvas->style->text[GTK_STATE_NORMAL],
NULL);
}
}
}
static void
e_minicard_label_style_set (EMinicardLabel *label, GtkStyle *previous_style)
{
set_colors (label);
}
static void
e_minicard_label_reflow(GnomeCanvasItem *item, int flags)
{
EMinicardLabel *e_minicard_label = E_MINICARD_LABEL(item);
gint old_height;
gdouble text_height;
gdouble left_width;
old_height = e_minicard_label->height;
g_object_get(e_minicard_label->fieldname,
"text_height", &text_height,
NULL);
e_minicard_label->height = text_height;
g_object_get(e_minicard_label->field,
"text_height", &text_height,
NULL);
if (e_minicard_label->height < text_height)
e_minicard_label->height = text_height;
e_minicard_label->height += 3;
gnome_canvas_item_set( e_minicard_label->rect,
"x2", (double) e_minicard_label->width - 1,
"y2", (double) e_minicard_label->height - 1,
NULL );
gnome_canvas_item_set( e_minicard_label->fieldname,
"clip_height", (double) e_minicard_label->height - 3,
NULL );
if (e_minicard_label->max_field_name_length != -1 && ((e_minicard_label->width / 2) - 4 > e_minicard_label->max_field_name_length))
left_width = e_minicard_label->max_field_name_length;
else
left_width = e_minicard_label->width / 2 - 4;
e_canvas_item_move_absolute(e_minicard_label->field, left_width + 6, 1);
if (old_height != e_minicard_label->height)
e_canvas_item_request_parent_reflow(item);
}
GnomeCanvasItem *
e_minicard_label_new(GnomeCanvasGroup *parent)
{
GnomeCanvasItem *item = gnome_canvas_item_new(parent, e_minicard_label_get_type(), NULL);
return item;
}