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/*
* E-table-column-view.c: A canvas view of the TableColumn.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* Copyright 1999, International GNOME Support.
*/
#include <config.h>
#include "e-table-header.h"
#include "e-table-header-item.h"
#define ETHI_HEIGHT 14
#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type ()
static GnomeCanvasItemClass *ethi_parent_class;
enum {
ARG_0,
ARG_TABLE_HEADER
};
static void
ethi_destroy (GtkObject *object)
{
ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (object);
gtk_object_unref (GTK_OBJECT (ethi));
if (GTK_OBJECT_CLASS (ethi_parent_class)->destroy)
(*GTK_OBJECT_CLASS (ethi_parent_class)->destroy) (object);
}
static void
ethi_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
{
if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)
(*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)(item, affine, clip_path, flags);
item->x1 = 0;
item->y1 = 0;
item->x2 = INT_MAX;
item->y2 = INT_MAX;
gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item);
}
static void
ethi_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
GnomeCanvasItem *item;
ETableHeaderItem *ethi;
int v;
item = GNOME_CANVAS_ITEM (o);
ethi = E_TABLE_HEADER_ITEM (o);
switch (arg_id){
case ARG_TABLE_HEADER:
ethi->eth = GTK_VALUE_POINTER (*arg);
break;
}
ethi_update (item, NULL, NULL, 0);
}
static void
ethi_realize (GnomeCanvasItem *item)
{
ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
GdkWindow *window;
GdkColor c;
if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)-> realize)
(*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->realize)(item);
window = GTK_WIDGET (item->canvas)->window;
ethi->gc = gdk_gc_new (window);
gnome_canvas_get_color (item->canvas, "black", &c);
gdk_gc_set_foreground (ethi->gc, &c);
ethi->normal_cursor = gdk_cursor_new (GDK_ARROW);
}
static void
ethi_unrealize (GnomeCanvasItem *item)
{
ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
gdk_gc_unref (ethi->gc);
ethi->gc = NULL;
gdk_cursor_destroy (ethi->change_cursor);
ethi->change_cursor = NULL;
gdk_cursor_destroy (ethi->normal_cursor);
ethi->normal_cursor = NULL;
if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->unrealize)
(*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->unrealize)(item);
}
static void
ethi_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x1, int y1, int width, int height)
{
ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
GnomeCanvas *canvas = item->canvas;
GdkGC *gc;
const int cols = e_table_header_count (ethi->eth);
int x2 = x1 + width;
int col, total;
int x;
total = 0;
x = 0;
for (col = 0; col < cols; col++){
ETableCol *ecol = e_table_header_get_column (ethi->eth, col);
const int col_width = ecol->width;
if (x1 > total + col_width){
x += col_width;
continue;
}
if (x2 < total)
return;
gc = GTK_WIDGET (canvas)->style->bg_gc [GTK_STATE_ACTIVE];
gdk_draw_rectangle (
drawable, gc, TRUE,
x + 1, -y1 + 1, col_width - 2, ETHI_HEIGHT - 2);
gtk_draw_shadow (
GTK_WIDGET (canvas)->style, drawable,
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
x , -y1, col_width, ETHI_HEIGHT);
{
GdkRectangle clip;
GdkFont *font = GTK_WIDGET (canvas)->style->font;
clip.x = x + 2;
clip.y = -y1 + 2;
clip.width = col_width - 4;
clip.height = ETHI_HEIGHT - 4;
gdk_gc_set_clip_rectangle (gc, &clip);
/*
* FIXME: should be obvious
*/
gdk_draw_text (drawable, font, gc, x, -y1 + 10, "TEST", 4);
gdk_gc_set_clip_rectangle (gc, NULL);
}
}
}
static double
ethi_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
GnomeCanvasItem **actual_item)
{
*actual_item = item;
return 0.0;
}
static int
ethi_event (GnomeCanvasItem *item, GdkEvent *e)
{
switch (e->type){
default:
return FALSE;
}
return TRUE;
}
static void
ethi_class_init (GtkObjectClass *object_class)
{
GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
ethi_parent_class = gtk_type_class (gnome_canvas_item_get_type ());
object_class->destroy = ethi_destroy;
object_class->set_arg = ethi_set_arg;
item_class->update = ethi_update;
item_class->realize = ethi_realize;
item_class->unrealize = ethi_unrealize;
item_class->draw = ethi_draw;
item_class->point = ethi_point;
item_class->event = ethi_event;
gtk_object_add_arg_type ("ETableHeaderItem::ETableHeader", GTK_TYPE_POINTER,
GTK_ARG_WRITABLE, ARG_TABLE_HEADER);
}
static void
ethi_init (GnomeCanvasItem *item)
{
item->x1 = 0;
item->y1 = 0;
item->x2 = 0;
item->y2 = 0;
}
GtkType
e_table_header_item_get_type (void)
{
static GtkType type = 0;
if (!type){
GtkTypeInfo info = {
"ETableHeaderItem",
sizeof (ETableHeaderItem),
sizeof (ETableHeaderItemClass),
(GtkClassInitFunc) ethi_class_init,
(GtkObjectInitFunc) ethi_init,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (PARENT_OBJECT_TYPE, &info);
}
return type;
}
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