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authornobody <nobody@localhost>2003-12-09 09:57:09 +0800
committernobody <nobody@localhost>2003-12-09 09:57:09 +0800
commit135a7f083e2563bf1934dba9c0c966d573f049d0 (patch)
tree75bb0caf9afd4b94842023406d6a7938c5d8b2b7 /widgets/table/e-cell-tree.c
parent0031a7166cd0f3fc0cec0b60c468ca22a8c45b0b (diff)
downloadgsoc2013-evolution-R_5_2.tar.gz
gsoc2013-evolution-R_5_2.tar.zst
gsoc2013-evolution-R_5_2.zip
This commit was manufactured by cvs2svn to create tag 'R_5_2'.R_5_2
svn path=/tags/R_5_2/; revision=23850
Diffstat (limited to 'widgets/table/e-cell-tree.c')
-rw-r--r--widgets/table/e-cell-tree.c911
1 files changed, 0 insertions, 911 deletions
diff --git a/widgets/table/e-cell-tree.c b/widgets/table/e-cell-tree.c
deleted file mode 100644
index a0be81e889..0000000000
--- a/widgets/table/e-cell-tree.c
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@@ -1,911 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-cell-tree.c - Tree cell object.
- * Copyright 1999, 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Chris Toshok <toshok@ximian.com>
- *
- * A majority of code taken from:
- *
- * the ECellText renderer.
- * Copyright 1998, The Free Software Foundation
- * 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 <libgnomecanvas/gnome-canvas.h>
-
-#include "e-tree-table-adapter.h"
-#include "e-tree.h"
-#include "e-tree-model.h"
-#include "gal/util/e-util.h"
-#include "e-table-item.h"
-#include "e-cell-tree.h"
-
-#include "tree-expanded.xpm"
-#include "tree-unexpanded.xpm"
-
-#include "gal/a11y/e-table/gal-a11y-e-cell-registry.h"
-#include "gal/a11y/e-table/gal-a11y-e-cell-tree.h"
-
-#define PARENT_TYPE e_cell_get_type ()
-
-typedef struct {
- ECellView cell_view;
- ECellView *subcell_view;
- GdkGC *gc;
-
- GnomeCanvas *canvas;
- gboolean retro_look;
- gboolean prelit;
- gint animate_timeout;
-
-} ECellTreeView;
-
-static ECellClass *parent_class;
-
-#define INDENT_AMOUNT 16
-
-ECellView *
-e_cell_tree_view_get_subcell_view (ECellView *ect)
-{
- return ((ECellTreeView *)ect)->subcell_view;
-}
-
-static ETreePath
-e_cell_tree_get_node (ETableModel *table_model, int row)
-{
- return e_table_model_value_at (table_model, -1, row);
-}
-
-static ETreeModel*
-e_cell_tree_get_tree_model (ETableModel *table_model, int row)
-{
- return e_table_model_value_at (table_model, -2, row);
-}
-
-static ETreeTableAdapter *
-e_cell_tree_get_tree_table_adapter (ETableModel *table_model, int row)
-{
- return e_table_model_value_at (table_model, -3, row);
-}
-
-static int
-visible_depth_of_node (ETableModel *model, int row)
-{
- ETreeModel *tree_model = e_cell_tree_get_tree_model(model, row);
- ETreeTableAdapter *adapter = e_cell_tree_get_tree_table_adapter(model, row);
- ETreePath path = e_cell_tree_get_node(model, row);
- return (e_tree_model_node_depth (tree_model, path)
- - (e_tree_table_adapter_root_node_is_visible (adapter) ? 0 : 1));
-}
-
-/* If this is changed to not include the width of the expansion pixmap
- if the path is not expandable, then max_width needs to change as
- well. */
-static gint
-offset_of_node (ETableModel *table_model, int row)
-{
- ETreeModel *tree_model = e_cell_tree_get_tree_model(table_model, row);
- ETreePath path = e_cell_tree_get_node(table_model, row);
-
- if (visible_depth_of_node (table_model, row) > 0 ||
- e_tree_model_node_is_expandable(tree_model, path)) {
- return (visible_depth_of_node(table_model, row) + 1) * INDENT_AMOUNT;
- } else {
- return 0;
- }
-}
-
-/*
- * ECell::new_view method
- */
-static ECellView *
-ect_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
-{
- ECellTree *ect = E_CELL_TREE (ecell);
- ECellTreeView *tree_view = g_new0 (ECellTreeView, 1);
- GnomeCanvas *canvas = GNOME_CANVAS_ITEM (e_table_item_view)->canvas;
-
- tree_view->cell_view.ecell = ecell;
- tree_view->cell_view.e_table_model = table_model;
- tree_view->cell_view.e_table_item_view = e_table_item_view;
-
- /* create our subcell view */
- tree_view->subcell_view = e_cell_new_view (ect->subcell, table_model, e_table_item_view /* XXX */);
-
- tree_view->canvas = canvas;
-
- return (ECellView *)tree_view;
-}
-
-/*
- * ECell::kill_view method
- */
-static void
-ect_kill_view (ECellView *ecv)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecv;
-
- /* kill our subcell view */
- e_cell_kill_view (tree_view->subcell_view);
-
- g_free (tree_view);
-}
-
-/*
- * ECell::realize method
- */
-static void
-ect_realize (ECellView *ecell_view)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- /* realize our subcell view */
- e_cell_realize (tree_view->subcell_view);
-
- tree_view->gc = gdk_gc_new (GTK_WIDGET (tree_view->canvas)->window);
-
- gdk_gc_set_line_attributes (tree_view->gc, 1,
- GDK_LINE_ON_OFF_DASH, None, None);
- gdk_gc_set_dashes (tree_view->gc, 0, "\1\1", 2);
-
- if (parent_class->realize)
- (* parent_class->realize) (ecell_view);
-}
-
-/*
- * ECell::unrealize method
- */
-static void
-ect_unrealize (ECellView *ecv)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecv;
-
- /* unrealize our subcell view. */
- e_cell_unrealize (tree_view->subcell_view);
-
- gdk_gc_unref (tree_view->gc);
- tree_view->gc = NULL;
-
- if (parent_class->unrealize)
- (* parent_class->unrealize) (ecv);
-}
-
-static void
-draw_retro_expander (ECellTreeView *ectv, GdkDrawable *drawable, gboolean expanded, GdkRectangle *rect)
-{
- GdkPixbuf *image;
- int image_width, image_height;
- ECellTree *ect = E_CELL_TREE(ectv->cell_view.ecell);
-
- image = expanded ? ect->open_pixbuf : ect->closed_pixbuf;
-
- image_width = gdk_pixbuf_get_width(image);
- image_height = gdk_pixbuf_get_height(image);
-
- gdk_pixbuf_render_to_drawable_alpha (image,
- drawable,
- rect->x, rect->y,
- rect->width - image_width / 2,
- rect->height - image_height / 2,
- image_width, image_height,
- GDK_PIXBUF_ALPHA_BILEVEL,
- 128,
- GDK_RGB_DITHER_NORMAL,
- image_width, 0);
-}
-
-static void
-draw_expander (ECellTreeView *ectv, GdkDrawable *drawable, GtkExpanderStyle expander_style, GtkStateType state, GdkRectangle *rect)
-{
- GtkWidget *tree = GTK_WIDGET (ectv->canvas)->parent;
- gint exp_size;
- gtk_widget_style_get (tree, "expander_size", &exp_size, NULL);
-
- gtk_paint_expander (tree->style, drawable, state, rect, tree, "treeview", rect->x + rect->width - exp_size / 2, rect->y + rect->height / 2, expander_style);
-}
-
-/*
- * ECell::draw method
- */
-static void
-ect_draw (ECellView *ecell_view, GdkDrawable *drawable,
- int model_col, int view_col, int row, ECellFlags flags,
- int x1, int y1, int x2, int y2)
-{
- ECellTreeView *tree_view = (ECellTreeView *)ecell_view;
- ETreeModel *tree_model = e_cell_tree_get_tree_model(ecell_view->e_table_model, row);
- ETreeTableAdapter *tree_table_adapter = e_cell_tree_get_tree_table_adapter(ecell_view->e_table_model, row);
- ETreePath node;
- GdkRectangle rect, *clip_rect = NULL;
- GtkWidget *canvas = GTK_WIDGET (tree_view->canvas);
- GdkGC *fg_gc = canvas->style->fg_gc[GTK_STATE_ACTIVE];
- GdkColor *foreground;
- gboolean selected;
-
- int offset, subcell_offset;
-
- selected = flags & E_CELL_SELECTED;
-
- /* only draw the tree effects if we're the active sort */
- if (/* XXX */ TRUE) {
- GdkPixbuf *node_image;
- int node_image_width = 0, node_image_height = 0;
- ETreePath parent_node;
- ETree *tree = E_TREE (canvas->parent);
-
- gtk_widget_style_get (GTK_WIDGET (tree),
- "retro_look", &tree_view->retro_look,
- NULL);
- tree_view->prelit = FALSE;
-
- node = e_cell_tree_get_node (ecell_view->e_table_model, row);
-
- offset = offset_of_node (ecell_view->e_table_model, row);
- subcell_offset = offset;
-
- node_image = e_tree_model_icon_at (tree_model, node);
-
- if (node_image) {
- node_image_width = gdk_pixbuf_get_width (node_image);
- node_image_height = gdk_pixbuf_get_height (node_image);
- }
-
- /*
- * Be a nice citizen: clip to the region we are supposed to draw on
- */
- rect.x = x1;
- rect.y = y1;
- rect.width = subcell_offset + node_image_width;
- rect.height = y2 - y1;
-
- gdk_gc_set_clip_rectangle (tree_view->gc, &rect);
- gdk_gc_set_clip_rectangle (fg_gc, &rect);
- clip_rect = &rect;
-
- if (selected) {
- foreground = &canvas->style->text [GTK_STATE_SELECTED];
- } else {
- foreground = &canvas->style->text [GTK_STATE_NORMAL];
- }
-
- gdk_gc_set_foreground (tree_view->gc, foreground);
-
- /* draw our lines */
- if (tree_view->retro_look && E_CELL_TREE(tree_view->cell_view.ecell)->draw_lines) {
-
- int depth;
-
- if (visible_depth_of_node (ecell_view->e_table_model, row) > 0
- || e_tree_model_node_get_children (tree_model, node, NULL) > 0)
- gdk_draw_line (drawable, tree_view->gc,
- rect.x + offset - INDENT_AMOUNT / 2 + 1,
- rect.y + rect.height / 2,
- rect.x + offset,
- rect.y + rect.height / 2);
-
- if (visible_depth_of_node (ecell_view->e_table_model, row) != 0) {
- gdk_draw_line (drawable, tree_view->gc,
- rect.x + offset - INDENT_AMOUNT / 2,
- rect.y,
- rect.x + offset - INDENT_AMOUNT / 2,
- (e_tree_table_adapter_node_get_next (tree_table_adapter, node)
- ? rect.y + rect.height
- : rect.y + rect.height / 2));
- }
-
- /* now traverse back up to the root of the tree, checking at
- each level if the node has siblings, and drawing the
- correct vertical pipe for it's configuration. */
- parent_node = e_tree_model_node_get_parent (tree_model, node);
- offset -= INDENT_AMOUNT;
- depth = visible_depth_of_node (ecell_view->e_table_model, row) - 1;
- while (parent_node && depth != 0) {
- if (e_tree_table_adapter_node_get_next(tree_table_adapter, parent_node)) {
- gdk_draw_line (drawable, tree_view->gc,
- rect.x + offset - INDENT_AMOUNT / 2,
- rect.y,
- rect.x + offset - INDENT_AMOUNT / 2,
- rect.y + rect.height);
- }
- parent_node = e_tree_model_node_get_parent (tree_model, parent_node);
- depth --;
- offset -= INDENT_AMOUNT;
- }
- }
-
- /* now draw our icon if we're expandable */
- if (e_tree_model_node_is_expandable (tree_model, node)) {
- gboolean expanded = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node);
- GdkRectangle r;
- if (tree_view->retro_look) {
- r.x = 0;
- r.y = 0;
- r.width = x1 + subcell_offset - INDENT_AMOUNT / 2,
- r.height = y1 + (y2 - y1) / 2,
- draw_retro_expander (tree_view, drawable, expanded, &r);
- } else {
- r = rect;
- r.width -= node_image_width + 2;
- draw_expander (tree_view, drawable, expanded ? GTK_EXPANDER_EXPANDED : GTK_EXPANDER_COLLAPSED, GTK_STATE_NORMAL, &r);
- }
- }
-
- if (node_image) {
- gdk_pixbuf_render_to_drawable_alpha (node_image,
- drawable,
- 0, 0,
- x1 + subcell_offset,
- y1 + (y2 - y1) / 2 - node_image_height / 2,
- node_image_width, node_image_height,
- GDK_PIXBUF_ALPHA_BILEVEL,
- 128,
- GDK_RGB_DITHER_NORMAL,
- node_image_width, 0);
- subcell_offset += node_image_width;
- }
- }
-
- /* Now cause our subcell to draw its contents, shifted by
- subcell_offset pixels */
- e_cell_draw (tree_view->subcell_view, drawable,
- model_col, view_col, row, flags,
- x1 + subcell_offset, y1, x2, y2);
-
- if (clip_rect) {
- gdk_gc_set_clip_rectangle (tree_view->gc, NULL);
- gdk_gc_set_clip_rectangle (fg_gc, NULL);
- }
-}
-
-static void
-adjust_event_position (GdkEvent *event, gint offset)
-{
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- case GDK_BUTTON_RELEASE:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- event->button.x += offset;
- break;
- case GDK_MOTION_NOTIFY:
- event->motion.x += offset;
- break;
- default:
- break;
- }
-}
-
-static gboolean
-event_in_expander (GdkEvent *event, gint offset, gint height)
-{
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- return (event->button.x > (offset - INDENT_AMOUNT) && event->button.x < offset);
- case GDK_MOTION_NOTIFY:
- return (event->motion.x > (offset - INDENT_AMOUNT) && event->motion.x < offset &&
- event->motion.y > 2 && event->motion.y < (height - 2));
- default:
- break;
- }
-
- return FALSE;
-}
-
-/*
- * ECell::height method
- */
-static int
-ect_height (ECellView *ecell_view, int model_col, int view_col, int row)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- return (((e_cell_height (tree_view->subcell_view, model_col, view_col, row)) + 1) / 2) * 2;
-}
-
-typedef struct {
- ECellTreeView *ectv;
- ETreeTableAdapter *etta;
- ETreePath node;
- gboolean expanded;
- gboolean finish;
- GdkRectangle area;
-} animate_closure_t;
-
-static gboolean
-animate_expander (gpointer data)
-{
- animate_closure_t *closure = (animate_closure_t *) data;
-
- if (closure->finish) {
- e_tree_table_adapter_node_set_expanded (closure->etta, closure->node, !closure->expanded);
- closure->ectv->animate_timeout = 0;
- g_free (data);
- return FALSE;
- }
-
- draw_expander (closure->ectv, GTK_LAYOUT (closure->ectv->canvas)->bin_window,
- closure->expanded ? GTK_EXPANDER_SEMI_COLLAPSED : GTK_EXPANDER_SEMI_EXPANDED,
- GTK_STATE_NORMAL, &closure->area);
- closure->finish = TRUE;
-
- return TRUE;
-}
-
-/*
- * ECell::event method
- */
-static gint
-ect_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
- ETreeModel *tree_model = e_cell_tree_get_tree_model (ecell_view->e_table_model, row);
- ETreeTableAdapter *etta = e_cell_tree_get_tree_table_adapter(ecell_view->e_table_model, row);
- ETreePath node = e_cell_tree_get_node (ecell_view->e_table_model, row);
- int offset = offset_of_node (ecell_view->e_table_model, row);
- gint result;
-
- switch (event->type) {
- case GDK_BUTTON_PRESS:
-
- if (event_in_expander (event, offset, 0)) {
- if (e_tree_model_node_is_expandable (tree_model, node)) {
- gboolean expanded = e_tree_table_adapter_node_is_expanded(etta, node);
- if (tree_view->retro_look)
- e_tree_table_adapter_node_set_expanded (etta, node, !expanded);
- else {
- gint tmp_row = row;
- GdkRectangle area;
- animate_closure_t *closure = g_new0 (animate_closure_t, 1);
- e_table_item_get_cell_geometry (tree_view->cell_view.e_table_item_view,
- &tmp_row, &view_col, &area.x, &area.y, NULL, &area.height);
- area.width = offset - 2;
- draw_expander (tree_view, GTK_LAYOUT (tree_view->canvas)->bin_window,
- expanded ? GTK_EXPANDER_SEMI_EXPANDED : GTK_EXPANDER_SEMI_COLLAPSED,
- GTK_STATE_NORMAL, &area);
- closure->ectv = tree_view;
- closure->etta = etta;
- closure->node = node;
- closure->expanded = expanded;
- closure->area = area;
- tree_view->animate_timeout = g_timeout_add (50, animate_expander, closure);
- }
- return TRUE;
- }
- }
- else if (event->button.x < (offset - INDENT_AMOUNT))
- return FALSE;
- break;
-
- case GDK_MOTION_NOTIFY:
-
- if (!tree_view->retro_look && e_tree_model_node_is_expandable (tree_model, node)) {
- gint height = ect_height (ecell_view, model_col, view_col, row);
- GdkRectangle area;
- gboolean in_expander = event_in_expander (event, offset, height);
-
- if (tree_view->prelit ^ in_expander) {
- gint tmp_row = row;
- e_table_item_get_cell_geometry (tree_view->cell_view.e_table_item_view,
- &tmp_row, &view_col, &area.x, &area.y, NULL, &area.height);
- area.width = offset - 2;
- draw_expander (tree_view, GTK_LAYOUT (tree_view->canvas)->bin_window,
- e_tree_table_adapter_node_is_expanded (etta, node) ? GTK_EXPANDER_EXPANDED : GTK_EXPANDER_COLLAPSED,
- in_expander ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL, &area);
- tree_view->prelit = in_expander;
- return TRUE;
- }
-
- }
- break;
-
- case GDK_LEAVE_NOTIFY:
-
- if (tree_view->prelit) {
- gint tmp_row = row;
- GdkRectangle area;
- e_table_item_get_cell_geometry (tree_view->cell_view.e_table_item_view,
- &tmp_row, &view_col, &area.x, &area.y, NULL, &area.height);
- area.width = offset - 2;
- draw_expander (tree_view, GTK_LAYOUT (tree_view->canvas)->bin_window,
- e_tree_table_adapter_node_is_expanded (etta, node) ? GTK_EXPANDER_EXPANDED : GTK_EXPANDER_COLLAPSED,
- GTK_STATE_NORMAL, &area);
- tree_view->prelit = FALSE;
- }
- return TRUE;
-
- default:
- break;
- }
-
- adjust_event_position (event, -offset);
- result = e_cell_event(tree_view->subcell_view, event, model_col, view_col, row, flags, actions);
- adjust_event_position (event, offset);
-
- return result;
-}
-
-/*
- * ECell::max_width method
- */
-static int
-ect_max_width (ECellView *ecell_view, int model_col, int view_col)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
- int row;
- int number_of_rows;
- int max_width = 0;
- int width = 0;
- int subcell_max_width = 0;
- gboolean per_row = e_cell_max_width_by_row_implemented (tree_view->subcell_view);
-
- number_of_rows = e_table_model_row_count (ecell_view->e_table_model);
-
- if (!per_row)
- subcell_max_width = e_cell_max_width (tree_view->subcell_view, model_col, view_col);
-
- for (row = 0; row < number_of_rows; row++) {
- ETreeModel *tree_model = e_cell_tree_get_tree_model(ecell_view->e_table_model, row);
- ETreePath node;
- GdkPixbuf *node_image;
- int node_image_width = 0, node_image_height = 0;
-
- int offset, subcell_offset;
-#if 0
- gboolean expanded, expandable;
- ETreeTableAdapter *tree_table_adapter = e_cell_tree_get_tree_table_adapter(ecell_view->e_table_model, row);
-#endif
-
- node = e_cell_tree_get_node (ecell_view->e_table_model, row);
-
- offset = offset_of_node (ecell_view->e_table_model, row);
- subcell_offset = offset;
-
- node_image = e_tree_model_icon_at (tree_model, node);
-
- if (node_image) {
- node_image_width = gdk_pixbuf_get_width (node_image);
- node_image_height = gdk_pixbuf_get_height (node_image);
- }
-
- width = subcell_offset + node_image_width;
-
- if (per_row)
- width += e_cell_max_width_by_row (tree_view->subcell_view, model_col, view_col, row);
- else
- width += subcell_max_width;
-
-#if 0
- expandable = e_tree_model_node_is_expandable (tree_model, node);
- expanded = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node);
-
- /* This is unnecessary since this is already handled
- by the offset_of_node function. If that changes,
- this will have to change too. */
-
- if (expandable) {
- GdkPixbuf *image;
-
- image = (expanded
- ? E_CELL_TREE(tree_view->cell_view.ecell)->open_pixbuf
- : E_CELL_TREE(tree_view->cell_view.ecell)->closed_pixbuf);
-
- width += gdk_pixbuf_get_width(image);
- }
-#endif
-
- max_width = MAX (max_width, width);
- }
-
- return max_width;
-}
-
-/*
- * ECellView::show_tooltip method
- */
-static void
-ect_show_tooltip (ECellView *ecell_view, int model_col, int view_col, int row,
- int col_width, ETableTooltip *tooltip)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
- ETreeModel *tree_model = e_cell_tree_get_tree_model (ecell_view->e_table_model, row);
- ETreePath node = e_cell_tree_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_tree_model_icon_at (tree_model, node);
- if (node_image)
- offset += gdk_pixbuf_get_width (node_image);
-
- tooltip->x += offset;
- e_cell_show_tooltip (tree_view->subcell_view, model_col, view_col, row, col_width - offset, tooltip);
-}
-
-/*
- * ECellView::get_bg_color method
- */
-static char *
-ect_get_bg_color (ECellView *ecell_view, int row)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- return e_cell_get_bg_color (tree_view->subcell_view, row);
-}
-
-/*
- * ECellView::enter_edit method
- */
-static void *
-ect_enter_edit (ECellView *ecell_view, int model_col, int view_col, int row)
-{
- /* just defer to our subcell's view */
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- return e_cell_enter_edit (tree_view->subcell_view, model_col, view_col, row);
-}
-
-/*
- * ECellView::leave_edit method
- */
-static void
-ect_leave_edit (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context)
-{
- /* just defer to our subcell's view */
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- e_cell_leave_edit (tree_view->subcell_view, model_col, view_col, row, edit_context);
-}
-
-static void
-ect_print (ECellView *ecell_view, GnomePrintContext *context,
- int model_col, int view_col, int row,
- double width, double height)
-{
- ECellTreeView *tree_view = (ECellTreeView *) ecell_view;
-
- if (/* XXX only if we're the active sort */ TRUE) {
- ETreeModel *tree_model = e_cell_tree_get_tree_model (ecell_view->e_table_model, row);
- ETreeTableAdapter *tree_table_adapter = e_cell_tree_get_tree_table_adapter(ecell_view->e_table_model, row);
- ETreePath node = e_cell_tree_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_tree_model_node_is_expandable (tree_model, node);
- gboolean expanded = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node);
-
- /* draw our lines */
- if (E_CELL_TREE(tree_view->cell_view.ecell)->draw_lines) {
- int depth;
-
- if (!e_tree_model_node_is_root (tree_model, node)
- || e_tree_model_node_get_children (tree_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_tree_table_adapter_node_get_next (tree_table_adapter, node)
- ? 0
- : height / 2));
- }
-
- /* now traverse back up to the root of the tree, checking at
- each level if the node has siblings, and drawing the
- correct vertical pipe for it's configuration. */
- node = e_tree_model_node_get_parent (tree_model, node);
- depth = visible_depth_of_node (ecell_view->e_table_model, row) - 1;
- offset -= INDENT_AMOUNT;
- while (node && depth != 0) {
- if (e_tree_table_adapter_node_get_next(tree_table_adapter, node)) {
- gnome_print_moveto (context,
- offset - INDENT_AMOUNT / 2,
- height);
- gnome_print_lineto (context,
- offset - INDENT_AMOUNT / 2,
- 0);
- }
- node = e_tree_model_node_get_parent (tree_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_TREE(tree_view->cell_view.ecell)->open_pixbuf
- : E_CELL_TREE(tree_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 (tree_view->subcell_view, context, model_col, view_col, row, width, height);
-}
-
-static gdouble
-ect_print_height (ECellView *ecell_view, GnomePrintContext *context,
- int model_col, int view_col, int row,
- double width)
-{
- return 12; /* XXX */
-}
-
-/*
- * GObject::dispose method
- */
-static void
-ect_dispose (GObject *object)
-{
- ECellTree *ect = E_CELL_TREE (object);
-
- /* destroy our subcell */
- if (ect->subcell)
- g_object_unref (ect->subcell);
- ect->subcell = NULL;
-
- if (ect->open_pixbuf)
- gdk_pixbuf_unref (ect->open_pixbuf);
- ect->open_pixbuf = NULL;
-
- if (ect->closed_pixbuf)
- gdk_pixbuf_unref (ect->closed_pixbuf);
- ect->closed_pixbuf = NULL;
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-e_cell_tree_class_init (GObjectClass *object_class)
-{
- ECellClass *ecc = (ECellClass *) object_class;
-
- object_class->dispose = ect_dispose;
-
- ecc->new_view = ect_new_view;
- ecc->kill_view = ect_kill_view;
- ecc->realize = ect_realize;
- ecc->unrealize = ect_unrealize;
- ecc->draw = ect_draw;
- ecc->event = ect_event;
- ecc->height = ect_height;
- ecc->enter_edit = ect_enter_edit;
- ecc->leave_edit = ect_leave_edit;
- ecc->print = ect_print;
- ecc->print_height = ect_print_height;
- ecc->max_width = ect_max_width;
- ecc->show_tooltip = ect_show_tooltip;
- ecc->get_bg_color = ect_get_bg_color;
-
- parent_class = g_type_class_ref (PARENT_TYPE);
-
- gal_a11y_e_cell_registry_add_cell_type (NULL, E_CELL_TREE_TYPE, gal_a11y_e_cell_tree_new);
-}
-
-E_MAKE_TYPE(e_cell_tree, "ECellTree", ECellTree, e_cell_tree_class_init, NULL, PARENT_TYPE)
-
-/**
- * e_cell_tree_construct:
- * @ect: the ECellTree we're constructing.
- * @open_pixbuf: pixbuf to be used instead of the '-' icon.
- * @closed_pixbuf: pixbuf to be used instead of the '+' icon.
- * @draw_lines: whether or not to draw the lines between parents/children/siblings.
- * @subcell: the ECell to render to the right of the tree effects.
- *
- * Constructs an ECellTree. used by subclasses that need to
- * initialize a nested ECellTree. See e_cell_tree_new() for more info.
- *
- **/
-void
-e_cell_tree_construct (ECellTree *ect,
- GdkPixbuf *open_pixbuf,
- GdkPixbuf *closed_pixbuf,
- gboolean draw_lines,
- ECell *subcell)
-{
- ect->subcell = subcell;
- if (subcell) {
- g_object_ref (subcell);
- gtk_object_sink (GTK_OBJECT (subcell));
- }
- if (open_pixbuf)
- ect->open_pixbuf = open_pixbuf;
- else
- ect->open_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **)tree_expanded_xpm);
- if (closed_pixbuf)
- ect->closed_pixbuf = closed_pixbuf;
- else
- ect->closed_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **)tree_unexpanded_xpm);
-
- ect->draw_lines = draw_lines;
-}
-
-
-/**
- * e_cell_tree_new:
- * @open_pixbuf: pixbuf to be used instead of the '-' icon.
- * @closed_pixbuf: pixbuf to be used instead of the '+' icon.
- * @draw_lines: whether or not to draw the lines between parents/children/siblings.
- * @subcell: the ECell to render to the right of the tree effects.
- *
- * Creates a new ECell renderer that can be used to render tree
- * effects that come from an ETreeModel. Various assumptions are made
- * as to the fact that the ETableModel the ETable this cell is
- * associated with is in fact an ETreeModel. The cell uses special
- * columns to get at structural information (needed to draw the
- * lines/icons.
- *
- * Return value: an ECell object that can be used to render trees.
- **/
-ECell *
-e_cell_tree_new (GdkPixbuf *open_pixbuf,
- GdkPixbuf *closed_pixbuf,
- gboolean draw_lines,
- ECell *subcell)
-{
- ECellTree *ect = g_object_new (E_CELL_TREE_TYPE, NULL);
-
- e_cell_tree_construct (ect, open_pixbuf, closed_pixbuf, draw_lines, subcell);
-
- return (ECell *) ect;
-}
-