/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-minicard-label.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <gnome.h>
#include "e-minicard-label.h"
#include <gal/util/e-util.h>
#include <gal/e-text/e-text.h>
#include <gal/widgets/e-canvas.h>
#include <gal/widgets/e-canvas-utils.h>
static void e_minicard_label_init (EMinicardLabel *card);
static void e_minicard_label_class_init (EMinicardLabelClass *klass);
static void e_minicard_label_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
static void e_minicard_label_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
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_resize_children( EMinicardLabel *e_minicard_label );
static GnomeCanvasGroupClass *parent_class = NULL;
/* The arguments we take */
enum {
ARG_0,
ARG_WIDTH,
ARG_HEIGHT,
ARG_HAS_FOCUS,
ARG_FIELD,
ARG_FIELDNAME,
ARG_TEXT_MODEL,
ARG_MAX_FIELD_NAME_WIDTH,
};
GtkType
e_minicard_label_get_type (void)
{
static GtkType minicard_label_type = 0;
if (!minicard_label_type)
{
static const GtkTypeInfo minicard_label_info =
{
"EMinicardLabel",
sizeof (EMinicardLabel),
sizeof (EMinicardLabelClass),
(GtkClassInitFunc) e_minicard_label_class_init,
(GtkObjectInitFunc) e_minicard_label_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
minicard_label_type = gtk_type_unique (gnome_canvas_group_get_type (), &minicard_label_info);
}
return minicard_label_type;
}
static void
e_minicard_label_class_init (EMinicardLabelClass *klass)
{
GtkObjectClass *object_class;
GnomeCanvasItemClass *item_class;
object_class = (GtkObjectClass*) klass;
item_class = (GnomeCanvasItemClass *) klass;
parent_class = gtk_type_class (gnome_canvas_group_get_type ());
gtk_object_add_arg_type ("EMinicardLabel::width", GTK_TYPE_DOUBLE,
GTK_ARG_READWRITE, ARG_WIDTH);
gtk_object_add_arg_type ("EMinicardLabel::height", GTK_TYPE_DOUBLE,
GTK_ARG_READABLE, ARG_HEIGHT);
gtk_object_add_arg_type ("EMinicardLabel::has_focus", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_HAS_FOCUS);
gtk_object_add_arg_type ("EMinicardLabel::field", GTK_TYPE_STRING,
GTK_ARG_READWRITE, ARG_FIELD);
gtk_object_add_arg_type ("EMinicardLabel::fieldname", GTK_TYPE_STRING,
GTK_ARG_READWRITE, ARG_FIELDNAME);
gtk_object_add_arg_type ("EMinicardLabel::text_model", GTK_TYPE_OBJECT,
GTK_ARG_READWRITE, ARG_TEXT_MODEL);
gtk_object_add_arg_type ("EMinicardLabel::max_field_name_length", GTK_TYPE_DOUBLE,
GTK_ARG_READWRITE, ARG_MAX_FIELD_NAME_WIDTH);
object_class->set_arg = e_minicard_label_set_arg;
object_class->get_arg = e_minicard_label_get_arg;
/* object_class->destroy = e_minicard_label_destroy; */
/* 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_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
GnomeCanvasItem *item;
EMinicardLabel *e_minicard_label;
item = GNOME_CANVAS_ITEM (o);
e_minicard_label = E_MINICARD_LABEL (o);
switch (arg_id){
case ARG_WIDTH:
e_minicard_label->width = GTK_VALUE_DOUBLE (*arg);
e_minicard_label_resize_children(e_minicard_label);
e_canvas_item_request_reflow (item);
break;
case ARG_HAS_FOCUS:
if (e_minicard_label->field && (GTK_VALUE_ENUM(*arg) != E_FOCUS_NONE))
e_canvas_item_grab_focus(e_minicard_label->field);
break;
case ARG_FIELD:
gnome_canvas_item_set( e_minicard_label->field, "text", GTK_VALUE_STRING (*arg), NULL );
break;
case ARG_FIELDNAME:
gnome_canvas_item_set( e_minicard_label->fieldname, "text", GTK_VALUE_STRING (*arg), NULL );
break;
case ARG_TEXT_MODEL:
gnome_canvas_item_set( e_minicard_label->field, "model", GTK_VALUE_OBJECT (*arg), NULL);
break;
case ARG_MAX_FIELD_NAME_WIDTH:
e_minicard_label->max_field_name_length = GTK_VALUE_DOUBLE (*arg);
break;
}
}
static void
e_minicard_label_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
EMinicardLabel *e_minicard_label;
char *temp;
ETextModel *tempmodel;
e_minicard_label = E_MINICARD_LABEL (object);
switch (arg_id) {
case ARG_WIDTH:
GTK_VALUE_DOUBLE (*arg) = e_minicard_label->width;
break;
case ARG_HEIGHT:
GTK_VALUE_DOUBLE (*arg) = e_minicard_label->height;
break;
case ARG_HAS_FOCUS:
GTK_VALUE_ENUM (*arg) = e_minicard_label->has_focus ? E_FOCUS_CURRENT : E_FOCUS_NONE;
break;
case ARG_FIELD:
gtk_object_get( GTK_OBJECT( e_minicard_label->field ), "text", &temp, NULL );
GTK_VALUE_STRING (*arg) = temp;
break;
case ARG_FIELDNAME:
gtk_object_get( GTK_OBJECT( e_minicard_label->fieldname ), "text", &temp, NULL );
GTK_VALUE_STRING (*arg) = temp;
break;
case ARG_TEXT_MODEL:
gtk_object_get( GTK_OBJECT( e_minicard_label->field ), "model", &tempmodel, NULL );
GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(tempmodel);
break;
case ARG_MAX_FIELD_NAME_WIDTH:
GTK_VALUE_DOUBLE (*arg) = e_minicard_label->max_field_name_length;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
e_minicard_label_realize (GnomeCanvasItem *item)
{
if (GNOME_CANVAS_ITEM_CLASS( parent_class )->realize)
(* GNOME_CANVAS_ITEM_CLASS( parent_class )->realize) (item);
e_canvas_item_request_reflow(item);
if (!item->canvas->aa)
{
}
}
void
e_minicard_label_construct (GnomeCanvasItem *item)
{
EMinicardLabel *e_minicard_label;
GnomeCanvasGroup *group;
GdkFont *font;
font = ((GtkWidget *) item->canvas)->style->font;
e_minicard_label = E_MINICARD_LABEL (item);
group = GNOME_CANVAS_GROUP( 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,
"font_gdk", font,
"fill_color", "black",
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,
"font_gdk", font,
"fill_color", "black",
"editable", TRUE,
NULL );
e_canvas_item_move_absolute(e_minicard_label->field, ( e_minicard_label->width / 2 + 2), 1);
e_canvas_item_request_reflow(item);
}
static void
e_minicard_label_unrealize (GnomeCanvasItem *item)
{
EMinicardLabel *e_minicard_label;
e_minicard_label = E_MINICARD_LABEL (item);
if (!item->canvas->aa)
{
}
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_FOCUS_CHANGE:
{
GdkEventFocus *focus_event = (GdkEventFocus *) event;
if ( focus_event->in )
{
gnome_canvas_item_set( e_minicard_label->rect,
"outline_color", "grey50",
"fill_color", "grey90",
NULL );
e_minicard_label->has_focus = TRUE;
}
else
{
gnome_canvas_item_set( e_minicard_label->rect,
"outline_color", NULL,
"fill_color", NULL,
NULL );
e_minicard_label->has_focus = FALSE;
}
}
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_MOTION_NOTIFY:
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY: {
gboolean return_val;
#if 0
GnomeCanvasItem *field;
ArtPoint p;
double inv[6], affine[6];
field = e_minicard_label->field;
art_affine_identity (affine);
if (field->xform != NULL) {
if (field->object.flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
art_affine_multiply (affine, affine, field->xform);
} else {
affine[4] += field->xform[0];
affine[5] += field->xform[1];
}
}
art_affine_invert (inv, affine);
switch(event->type) {
case GDK_MOTION_NOTIFY:
p.x = event->motion.x;
p.y = event->motion.y;
art_affine_point (&p, &p, inv);
event->motion.x = p.x;
event->motion.y = p.y;
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
p.x = event->button.x;
p.y = event->button.y;
art_affine_point (&p, &p, inv);
event->button.x = p.x;
event->button.y = p.y;
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
p.x = event->crossing.x;
p.y = event->crossing.y;
art_affine_point (&p, &p, inv);
event->crossing.x = p.x;
event->crossing.y = p.y;
break;
default:
break;
}
#endif
gtk_signal_emit_by_name(GTK_OBJECT(e_minicard_label->field), "event", event, &return_val);
return return_val;
break;
}
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;
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;
gnome_canvas_item_set( e_minicard_label->fieldname,
"clip_width", (double) ( left_width ),
NULL );
gnome_canvas_item_set( e_minicard_label->field,
"clip_width", (double) ( e_minicard_label->width - 8 - left_width ),
NULL );
}
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;
gtk_object_get(GTK_OBJECT(e_minicard_label->fieldname),
"text_height", &text_height,
NULL);
e_minicard_label->height = text_height;
gtk_object_get(GTK_OBJECT(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 );
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);
e_minicard_label_construct(item);
return item;
}