Added e-cell-vbox.lo.

2002-03-11  Christopher James Lahey  <clahey@ximian.com>

	* gal/Makefile.am (libgal_la_LIBADD): Added e-cell-vbox.lo.

From gal/e-table/ChangeLog:

2002-03-11  Christopher James Lahey  <clahey@ximian.com>

	* Makefile.am (libetable_la_SOURCES): Added e-cell-vbox.c.
	(libetableinclude_HEADERS): Added e-cell-vbox.h.

	* e-cell-vbox.c, e-cell-vbox.h: New ECell to take multiple other
	ECells and use them all in a vertical series.

svn path=/trunk/; revision=16110

1 files changed, 488 insertions, 0 deletions

diff --git a/widgets/table/e-cell-vbox.c b/widgets/table/e-cell-vbox.c
new file mode 100644
index 0000000000..bbbc4013e3
--- /dev/null
+++ b/widgets/table/e-cell-vbox.c
@@ -0,0 +1,488 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* 
+ * e-cell-vbox.c - Vbox cell object.
+ * Copyright 1999, 2000, 2001, Ximian, Inc.
+ *
+ * Authors:
+ *   Chris Toshok <toshok@ximian.com>
+ *   Chris Lahey  <clahey@ximian.com>
+ *
+ * A majority of code taken from:
+ *
+ * the ECellText renderer.
+ * Copyright 1999, 2000, Ximian, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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 <ctype.h>
+#include <math.h>
+#include <stdio.h>
+
+#include <gdk/gdkx.h> /* for BlackPixel */
+#include <gtk/gtkenums.h>
+#include <gtk/gtkentry.h>
+#include <gtk/gtkwindow.h>
+#include <gtk/gtkinvisible.h>
+#include <gtk/gtksignal.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "gal/util/e-util.h"
+#include "e-table-item.h"
+#include "e-cell-vbox.h"
+
+#define PARENT_TYPE e_cell_get_type ()
+
+typedef struct {
+	ECellView     cell_view;
+	int           subcell_view_count;
+	ECellView   **subcell_views;
+	int          *model_cols;
+} ECellVboxView;
+
+static ECellClass *parent_class;
+
+#define INDENT_AMOUNT 16
+
+/*
+ * ECell::new_view method
+ */
+static ECellView *
+ecv_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
+{
+	ECellVbox *ecv = E_CELL_VBOX (ecell);
+	ECellVboxView *vbox_view = g_new0 (ECellVboxView, 1);
+	int i;
+	
+	vbox_view->cell_view.ecell = ecell;
+	vbox_view->cell_view.e_table_model = table_model;
+	vbox_view->cell_view.e_table_item_view = e_table_item_view;
+	
+	/* create our subcell view */
+	vbox_view->subcell_view_count = ecv->subcell_count;
+	vbox_view->subcell_views = g_new (ECellView *, vbox_view->subcell_view_count);
+	vbox_view->model_cols = g_new (int, vbox_view->subcell_view_count);
+
+	for (i = 0; i < vbox_view->subcell_view_count; i++) {
+		vbox_view->subcell_views[i] = e_cell_new_view (ecv->subcells[i], table_model, e_table_item_view /* XXX */);
+		vbox_view->model_cols[i] = ecv->model_cols[i];
+	}
+
+	return (ECellView *)vbox_view;
+}
+
+/*
+ * ECell::kill_view method
+ */
+static void
+ecv_kill_view (ECellView *ecv)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *) ecv;
+	int i;
+
+	/* kill our subcell view */
+	for (i = 0; i < vbox_view->subcell_view_count; i++)
+		e_cell_kill_view (vbox_view->subcell_views[i]);
+
+	g_free (vbox_view->model_cols);
+	g_free (vbox_view->subcell_views);
+	g_free (vbox_view);
+}
+
+/*
+ * ECell::realize method
+ */
+static void
+ecv_realize (ECellView *ecell_view)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+	int i;
+
+	/* realize our subcell view */
+	for (i = 0; i < vbox_view->subcell_view_count; i++)
+		e_cell_realize (vbox_view->subcell_views[i]);
+
+	if (parent_class->realize)
+		(* parent_class->realize) (ecell_view);
+}
+
+/*
+ * ECell::unrealize method
+ */
+static void
+ecv_unrealize (ECellView *ecv)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *) ecv;
+	int i;
+
+	/* unrealize our subcell view. */
+	for (i = 0; i < vbox_view->subcell_view_count; i++)
+		e_cell_unrealize (vbox_view->subcell_views[i]);
+
+	if (parent_class->unrealize)
+		(* parent_class->unrealize) (ecv);
+}
+
+/*
+ * ECell::draw method
+ */
+static void
+ecv_draw (ECellView *ecell_view, GdkDrawable *drawable,
+	  int model_col, int view_col, int row, ECellFlags flags,
+	  int x1, int y1, int x2, int y2)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
+
+	int subcell_offset = 0;
+	int i;
+
+	for (i = 0; i < vbox_view->subcell_view_count; i++) {
+		/* Now cause our subcells to draw their contents,
+		   shifted by subcell_offset pixels */
+		e_cell_draw (vbox_view->subcell_views[i], drawable,
+			     vbox_view->model_cols[i], view_col, row, flags,
+			     x1, y1 + subcell_offset, x2, y2);
+
+		subcell_offset += e_cell_height (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col, row);
+	}
+}
+
+/*
+ * ECell::event method
+ */
+static gint
+ecv_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
+	int y = 0;
+	int i;
+	int subcell_offset = 0;
+
+	switch (event->type) {
+	case GDK_BUTTON_PRESS:
+	case GDK_BUTTON_RELEASE:
+	case GDK_2BUTTON_PRESS:
+	case GDK_3BUTTON_PRESS:
+		y = event->button.y;
+		break;
+	case GDK_MOTION_NOTIFY:
+		y = event->motion.y;
+		break;
+	default:
+		/* nada */
+		break;
+	}
+
+
+	for (i = 0; i < vbox_view->subcell_view_count; i++) {
+		int height = e_cell_height (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col, row);
+		if (y < subcell_offset + height)
+			return e_cell_event(vbox_view->subcell_views[i], event, vbox_view->model_cols[i], view_col, row, flags, actions);
+		subcell_offset += height;
+	}
+	return 0;
+}
+
+/*
+ * ECell::height method
+ */
+static int
+ecv_height (ECellView *ecell_view, int model_col, int view_col, int row) 
+{
+	ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
+	int height = 0;
+	int i;
+
+	for (i = 0; i < vbox_view->subcell_view_count; i++) {
+		height += e_cell_height (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col, row);
+	}
+	return height;
+}
+
+/*
+ * ECell::max_width method
+ */
+static int
+ecv_max_width (ECellView *ecell_view, int model_col, int view_col)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *)ecell_view;
+	int max_width = 0;
+	int i;
+
+	for (i = 0; i < vbox_view->subcell_view_count; i++) {
+		int width = e_cell_max_width (vbox_view->subcell_views[i], vbox_view->model_cols[i], view_col);
+		max_width = MAX(width, max_width);
+	}
+
+	return max_width;
+}
+
+#if 0
+/*
+ * ECellView::show_tooltip method
+ */
+static void
+ecv_show_tooltip (ECellView *ecell_view, int model_col, int view_col, int row,
+		  int col_width, ETableTooltip *tooltip)
+{		
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+	EVboxModel *vbox_model = e_cell_vbox_get_vbox_model (ecell_view->e_table_model, row);
+	EVboxPath node = e_cell_vbox_get_node (ecell_view->e_table_model, row);
+	int offset = offset_of_node (ecell_view->e_table_model, row);
+	GdkPixbuf *node_image;
+
+	node_image = e_vbox_model_icon_at (vbox_model, node);
+	if (node_image)
+		offset += gdk_pixbuf_get_width (node_image);
+
+	tooltip->x += offset;
+	e_cell_show_tooltip (vbox_view->subcell_view, model_col, view_col, row, col_width - offset, tooltip);
+}
+
+/*
+ * ECellView::get_bg_color method
+ */
+static char *
+ecv_get_bg_color (ECellView *ecell_view, int row)
+{		
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+
+	return e_cell_get_bg_color (vbox_view->subcell_views[0], row);
+}
+		
+/*
+ * ECellView::enter_edit method
+ */
+static void *
+ecv_enter_edit (ECellView *ecell_view, int model_col, int view_col, int row)
+{
+	/* just defer to our subcell's view */
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+
+	return e_cell_enter_edit (vbox_view->subcell_view, model_col, view_col, row);
+}
+
+/*
+ * ECellView::leave_edit method
+ */
+static void
+ecv_leave_edit (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context)
+{
+	/* just defer to our subcell's view */
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+
+	e_cell_leave_edit (vbox_view->subcell_view, model_col, view_col, row, edit_context);
+}
+
+static void
+ecv_print (ECellView *ecell_view, GnomePrintContext *context, 
+	   int model_col, int view_col, int row,
+	   double width, double height)
+{
+	ECellVboxView *vbox_view = (ECellVboxView *) ecell_view;
+
+	if (/* XXX only if we're the active sort */ TRUE) {
+		EVboxModel *vbox_model = e_cell_vbox_get_vbox_model (ecell_view->e_table_model, row);
+		EVboxTableAdapter *vbox_table_adapter = e_cell_vbox_get_vbox_table_adapter(ecell_view->e_table_model, row);
+		EVboxPath node = e_cell_vbox_get_node (ecell_view->e_table_model, row);
+		int offset = offset_of_node (ecell_view->e_table_model, row);
+		int subcell_offset = offset;
+		gboolean expandable = e_vbox_model_node_is_expandable (vbox_model, node);
+		gboolean expanded = e_vbox_table_adapter_node_is_expanded (vbox_table_adapter, node);
+
+		/* draw our lines */
+		if (E_CELL_VBOX(vbox_view->cell_view.ecell)->draw_lines) {
+			int depth;
+
+			if (!e_vbox_model_node_is_root (vbox_model, node)
+			    || e_vbox_model_node_get_children (vbox_model, node, NULL) > 0) {
+				gnome_print_moveto (context,
+						    offset - INDENT_AMOUNT / 2,
+						    height / 2);
+
+				gnome_print_lineto (context,
+						    offset,
+						    height / 2);
+			}
+
+			if (visible_depth_of_node (ecell_view->e_table_model, row) != 0) {
+				gnome_print_moveto (context,
+						    offset - INDENT_AMOUNT / 2,
+						    height);
+				gnome_print_lineto (context,
+						    offset - INDENT_AMOUNT / 2,
+						    (e_vbox_model_node_get_next (vbox_model, node)
+						     ? 0
+						     : height / 2));
+			}
+
+			/* now traverse back up to the root of the vbox, checking at
+			   each level if the node has siblings, and drawing the
+			   correct vertical pipe for it's configuration. */
+			node = e_vbox_model_node_get_parent (vbox_model, node);
+			depth = visible_depth_of_node (ecell_view->e_table_model, row) - 1;
+			offset -= INDENT_AMOUNT;
+			while (node && depth != 0) {
+				if (e_vbox_model_node_get_next(vbox_model, node)) {
+					gnome_print_moveto (context,
+							    offset - INDENT_AMOUNT / 2,
+							    height);
+					gnome_print_lineto (context,
+							    offset - INDENT_AMOUNT / 2,
+							    0);
+				}
+				node = e_vbox_model_node_get_parent (vbox_model, node);
+				depth --;
+				offset -= INDENT_AMOUNT;
+			}
+		}
+
+		/* now draw our icon if we're expandable */
+		if (expandable) {
+			double image_matrix [6] = {16, 0, 0, 16, 0, 0};
+			GdkPixbuf *image = (expanded 
+					    ? E_CELL_VBOX(vbox_view->cell_view.ecell)->open_pixbuf
+					    : E_CELL_VBOX(vbox_view->cell_view.ecell)->closed_pixbuf);
+			int image_width, image_height, image_rowstride;
+			guchar *image_pixels;
+
+			image_width = gdk_pixbuf_get_width(image);
+			image_height = gdk_pixbuf_get_height(image);
+			image_pixels = gdk_pixbuf_get_pixels(image);
+			image_rowstride = gdk_pixbuf_get_rowstride(image);
+
+			image_matrix [4] = subcell_offset - INDENT_AMOUNT / 2 - image_width / 2;
+			image_matrix [5] = height / 2 - image_height / 2;
+
+			gnome_print_gsave (context);
+			gnome_print_concat (context, image_matrix);
+
+			gnome_print_rgbaimage (context, image_pixels, image_width, image_height, image_rowstride);
+			gnome_print_grestore (context);
+		}
+
+		gnome_print_stroke (context);
+
+		if (gnome_print_translate(context, subcell_offset, 0) == -1)
+				/* FIXME */;
+		width -= subcell_offset;
+	}
+
+
+	e_cell_print (vbox_view->subcell_view, context, model_col, view_col, row, width, height);
+}
+
+static gdouble
+ecv_print_height (ECellView *ecell_view, GnomePrintContext *context, 
+		  int model_col, int view_col, int row,
+		  double width)
+{
+	return 12; /* XXX */
+}
+#endif
+
+/*
+ * GtkObject::destroy method
+ */
+static void
+ecv_destroy (GtkObject *object)
+{
+	ECellVbox *ecv = E_CELL_VBOX (object);
+	int i;
+
+	/* destroy our subcell */
+	for (i = 0; i < ecv->subcell_count; i++)
+		if (ecv->subcells[i])
+			gtk_object_unref (GTK_OBJECT (ecv->subcells[i]));
+	g_free (ecv->subcells);
+	ecv->subcells = NULL;
+	ecv->subcell_count = 0;
+
+	GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+static void
+e_cell_vbox_class_init (GtkObjectClass *object_class)
+{
+	ECellClass *ecc = (ECellClass *) object_class;
+
+	object_class->destroy = ecv_destroy;
+
+	ecc->new_view         = ecv_new_view;
+	ecc->kill_view        = ecv_kill_view;
+	ecc->realize          = ecv_realize;
+	ecc->unrealize        = ecv_unrealize;
+	ecc->draw             = ecv_draw;
+	ecc->event            = ecv_event;
+	ecc->height           = ecv_height;
+#if 0
+	ecc->enter_edit       = ecv_enter_edit;
+	ecc->leave_edit       = ecv_leave_edit;
+	ecc->print            = ecv_print;
+	ecc->print_height     = ecv_print_height;
+#endif
+	ecc->max_width        = ecv_max_width;
+#if 0
+	ecc->show_tooltip     = ecv_show_tooltip;
+	ecc->get_bg_color     = ecv_get_bg_color;
+#endif
+
+	parent_class = gtk_type_class (PARENT_TYPE);
+}
+
+static void
+e_cell_vbox_init (GtkObject *object)
+{
+	ECellVbox *ecv = E_CELL_VBOX (object);
+
+	ecv->subcells = NULL;
+	ecv->subcell_count = 0;
+}
+
+E_MAKE_TYPE(e_cell_vbox, "ECellVbox", ECellVbox, e_cell_vbox_class_init, e_cell_vbox_init, PARENT_TYPE);
+
+/**
+ * e_cell_vbox_new:
+ * 
+ * Creates a new ECell renderer that can be used to render multiple
+ * child cells.
+ * 
+ * Return value: an ECell object that can be used to render multiple
+ * child cells.
+ **/
+ECell *
+e_cell_vbox_new (void)
+{
+	ECellVbox *ecv = gtk_type_new (e_cell_vbox_get_type ());
+
+	return (ECell *) ecv;
+}
+
+void
+e_cell_vbox_append (ECellVbox *vbox, ECell *subcell, int model_col)
+{
+	vbox->subcell_count ++;
+
+	vbox->subcells   = g_renew (ECell *, vbox->subcells,   vbox->subcell_count);
+	vbox->model_cols = g_renew (int,     vbox->model_cols, vbox->subcell_count);
+
+	vbox->subcells[vbox->subcell_count - 1]   = subcell;
+	vbox->model_cols[vbox->subcell_count - 1] = model_col;
+
+	if (subcell)
+		gtk_object_ref (GTK_OBJECT (subcell));
+}