3208 lines
76 KiB
C
3208 lines
76 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Chris Lahey <clahey@ximian.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include <glib/gi18n.h>
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#include <gdk/gdkkeysyms.h>
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#include <libgnomecanvas/libgnomecanvas.h>
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#include "e-canvas-background.h"
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#include "e-canvas-utils.h"
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#include "e-canvas.h"
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#include "e-table-column-specification.h"
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#include "e-table-header-item.h"
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#include "e-table-header.h"
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#include "e-table-item.h"
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#include "e-table-sort-info.h"
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#include "e-table-utils.h"
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#include "e-text.h"
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#include "e-tree-selection-model.h"
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#include "e-tree-table-adapter.h"
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#include "e-tree.h"
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#include "gal-a11y-e-tree.h"
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#define COLUMN_HEADER_HEIGHT 16
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#define d(x)
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#define E_TREE_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE \
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((obj), E_TYPE_TREE, ETreePrivate))
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typedef struct _ETreeDragSourceSite ETreeDragSourceSite;
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enum {
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CURSOR_CHANGE,
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CURSOR_ACTIVATED,
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SELECTION_CHANGE,
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DOUBLE_CLICK,
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RIGHT_CLICK,
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CLICK,
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KEY_PRESS,
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START_DRAG,
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STATE_CHANGE,
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WHITE_SPACE_EVENT,
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CUT_CLIPBOARD,
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COPY_CLIPBOARD,
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PASTE_CLIPBOARD,
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SELECT_ALL,
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TREE_DRAG_BEGIN,
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TREE_DRAG_END,
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TREE_DRAG_DATA_GET,
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TREE_DRAG_DATA_DELETE,
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TREE_DRAG_LEAVE,
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TREE_DRAG_MOTION,
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TREE_DRAG_DROP,
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TREE_DRAG_DATA_RECEIVED,
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LAST_SIGNAL
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};
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enum {
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PROP_0,
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PROP_LENGTH_THRESHOLD,
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PROP_HORIZONTAL_DRAW_GRID,
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PROP_VERTICAL_DRAW_GRID,
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PROP_DRAW_FOCUS,
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PROP_ETTA,
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PROP_UNIFORM_ROW_HEIGHT,
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PROP_IS_EDITING,
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PROP_ALWAYS_SEARCH,
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PROP_HADJUSTMENT,
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PROP_VADJUSTMENT,
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PROP_HSCROLL_POLICY,
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PROP_VSCROLL_POLICY
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};
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enum {
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ET_SCROLL_UP = 1 << 0,
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ET_SCROLL_DOWN = 1 << 1,
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ET_SCROLL_LEFT = 1 << 2,
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ET_SCROLL_RIGHT = 1 << 3
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};
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struct _ETreePrivate {
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ETreeModel *model;
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ETreeTableAdapter *etta;
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ETableHeader *full_header, *header;
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guint structure_change_id, expansion_change_id;
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ETableSortInfo *sort_info;
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guint sort_info_change_id, group_info_change_id;
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ESelectionModel *selection;
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ETableSpecification *spec;
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ETableSearch *search;
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ETableCol *current_search_col;
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guint search_search_id;
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guint search_accept_id;
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gint reflow_idle_id;
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gint scroll_idle_id;
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gint hover_idle_id;
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gboolean show_cursor_after_reflow;
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gint table_model_change_id;
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gint table_row_change_id;
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gint table_cell_change_id;
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gint table_rows_delete_id;
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GnomeCanvasItem *info_text;
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guint info_text_resize_id;
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GnomeCanvas *header_canvas, *table_canvas;
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GnomeCanvasItem *header_item, *root;
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GnomeCanvasItem *white_item;
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GnomeCanvasItem *item;
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gint length_threshold;
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/*
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* Configuration settings
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*/
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guint alternating_row_colors : 1;
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guint horizontal_draw_grid : 1;
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guint vertical_draw_grid : 1;
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guint draw_focus : 1;
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guint row_selection_active : 1;
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guint horizontal_scrolling : 1;
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guint scroll_direction : 4;
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guint do_drag : 1;
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guint uniform_row_height : 1;
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guint search_col_set : 1;
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guint always_search : 1;
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ECursorMode cursor_mode;
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gint drop_row;
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ETreePath drop_path;
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gint drop_col;
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GnomeCanvasItem *drop_highlight;
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gint last_drop_x;
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gint last_drop_y;
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gint last_drop_time;
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GdkDragContext *last_drop_context;
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gint hover_x;
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gint hover_y;
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gint drag_row;
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ETreePath drag_path;
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gint drag_col;
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ETreeDragSourceSite *site;
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GList *expanded_list;
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gboolean state_changed;
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guint state_change_freeze;
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gboolean is_dragging;
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};
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static guint signals[LAST_SIGNAL];
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static void et_grab_focus (GtkWidget *widget);
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static void et_drag_begin (GtkWidget *widget,
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GdkDragContext *context,
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ETree *tree);
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static void et_drag_end (GtkWidget *widget,
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GdkDragContext *context,
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ETree *tree);
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static void et_drag_data_get (GtkWidget *widget,
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint info,
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guint time,
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ETree *tree);
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static void et_drag_data_delete (GtkWidget *widget,
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GdkDragContext *context,
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ETree *tree);
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static void et_drag_leave (GtkWidget *widget,
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GdkDragContext *context,
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guint time,
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ETree *tree);
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static gboolean et_drag_motion (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time,
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ETree *tree);
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static gboolean et_drag_drop (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time,
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ETree *tree);
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static void et_drag_data_received (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection_data,
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guint info,
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guint time,
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ETree *tree);
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static void scroll_off (ETree *tree);
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static void scroll_on (ETree *tree, guint scroll_direction);
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static void hover_off (ETree *tree);
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static void hover_on (ETree *tree, gint x, gint y);
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static void context_destroyed (gpointer data, GObject *ctx);
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G_DEFINE_TYPE_WITH_CODE (ETree, e_tree, GTK_TYPE_TABLE,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
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static void
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tree_item_is_editing_changed_cb (ETableItem *item,
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GParamSpec *param,
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ETree *tree)
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{
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g_return_if_fail (E_IS_TREE (tree));
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g_object_notify (G_OBJECT (tree), "is-editing");
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}
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static void
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et_disconnect_from_etta (ETree *tree)
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{
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if (tree->priv->table_model_change_id != 0)
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g_signal_handler_disconnect (
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tree->priv->etta,
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tree->priv->table_model_change_id);
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if (tree->priv->table_row_change_id != 0)
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g_signal_handler_disconnect (
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tree->priv->etta,
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tree->priv->table_row_change_id);
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if (tree->priv->table_cell_change_id != 0)
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g_signal_handler_disconnect (
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tree->priv->etta,
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tree->priv->table_cell_change_id);
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if (tree->priv->table_rows_delete_id != 0)
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g_signal_handler_disconnect (
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tree->priv->etta,
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tree->priv->table_rows_delete_id);
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tree->priv->table_model_change_id = 0;
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tree->priv->table_row_change_id = 0;
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tree->priv->table_cell_change_id = 0;
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tree->priv->table_rows_delete_id = 0;
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}
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static void
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clear_current_search_col (ETree *tree)
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{
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tree->priv->search_col_set = FALSE;
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}
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static ETableCol *
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current_search_col (ETree *tree)
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{
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if (!tree->priv->search_col_set) {
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tree->priv->current_search_col =
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e_table_util_calculate_current_search_col (
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tree->priv->header,
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tree->priv->full_header,
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tree->priv->sort_info,
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tree->priv->always_search);
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tree->priv->search_col_set = TRUE;
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}
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return tree->priv->current_search_col;
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}
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static void
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e_tree_state_change (ETree *tree)
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{
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if (tree->priv->state_change_freeze)
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tree->priv->state_changed = TRUE;
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else
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g_signal_emit (tree, signals[STATE_CHANGE], 0);
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}
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static void
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change_trigger (GObject *object,
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ETree *tree)
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{
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e_tree_state_change (tree);
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}
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static void
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search_col_change_trigger (GObject *object,
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ETree *tree)
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{
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clear_current_search_col (tree);
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e_tree_state_change (tree);
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}
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static void
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disconnect_header (ETree *tree)
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{
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if (tree->priv->header == NULL)
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return;
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if (tree->priv->structure_change_id)
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g_signal_handler_disconnect (
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tree->priv->header,
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tree->priv->structure_change_id);
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if (tree->priv->expansion_change_id)
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g_signal_handler_disconnect (
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tree->priv->header,
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tree->priv->expansion_change_id);
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if (tree->priv->sort_info) {
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if (tree->priv->sort_info_change_id)
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g_signal_handler_disconnect (
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tree->priv->sort_info,
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tree->priv->sort_info_change_id);
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if (tree->priv->group_info_change_id)
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g_signal_handler_disconnect (
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tree->priv->sort_info,
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tree->priv->group_info_change_id);
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g_object_unref (tree->priv->sort_info);
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}
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g_object_unref (tree->priv->header);
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tree->priv->header = NULL;
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tree->priv->sort_info = NULL;
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}
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static void
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connect_header (ETree *tree,
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ETableState *state)
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{
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GValue *val = g_new0 (GValue, 1);
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if (tree->priv->header != NULL)
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disconnect_header (tree);
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tree->priv->header = e_table_state_to_header (
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GTK_WIDGET (tree), tree->priv->full_header, state);
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tree->priv->structure_change_id = g_signal_connect (
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tree->priv->header, "structure_change",
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G_CALLBACK (search_col_change_trigger), tree);
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tree->priv->expansion_change_id = g_signal_connect (
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tree->priv->header, "expansion_change",
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G_CALLBACK (change_trigger), tree);
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if (state->sort_info) {
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tree->priv->sort_info = e_table_sort_info_duplicate (state->sort_info);
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e_table_sort_info_set_can_group (tree->priv->sort_info, FALSE);
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tree->priv->sort_info_change_id = g_signal_connect (
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tree->priv->sort_info, "sort_info_changed",
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G_CALLBACK (search_col_change_trigger), tree);
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tree->priv->group_info_change_id = g_signal_connect (
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tree->priv->sort_info, "group_info_changed",
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G_CALLBACK (search_col_change_trigger), tree);
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} else
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tree->priv->sort_info = NULL;
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g_value_init (val, G_TYPE_OBJECT);
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g_value_set_object (val, tree->priv->sort_info);
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g_object_set_property (G_OBJECT (tree->priv->header), "sort_info", val);
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g_free (val);
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}
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static void
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et_dispose (GObject *object)
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{
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ETreePrivate *priv;
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priv = E_TREE_GET_PRIVATE (object);
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if (priv->search != NULL) {
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g_signal_handler_disconnect (
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priv->search, priv->search_search_id);
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g_signal_handler_disconnect (
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priv->search, priv->search_accept_id);
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g_object_unref (priv->search);
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priv->search = NULL;
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}
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if (priv->reflow_idle_id > 0) {
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g_source_remove (priv->reflow_idle_id);
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priv->reflow_idle_id = 0;
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}
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scroll_off (E_TREE (object));
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hover_off (E_TREE (object));
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g_list_foreach (
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priv->expanded_list,
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(GFunc) g_free, NULL);
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g_list_free (priv->expanded_list);
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priv->expanded_list = NULL;
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et_disconnect_from_etta (E_TREE (object));
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if (priv->etta != NULL) {
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g_object_unref (priv->etta);
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priv->etta = NULL;
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}
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if (priv->model != NULL) {
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g_object_unref (priv->model);
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priv->model = NULL;
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}
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if (priv->full_header != NULL) {
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g_object_unref (priv->full_header);
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priv->full_header = NULL;
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}
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disconnect_header (E_TREE (object));
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if (priv->selection != NULL) {
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g_object_unref (priv->selection);
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priv->selection = NULL;
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}
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if (priv->spec != NULL) {
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g_object_unref (priv->spec);
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priv->spec = NULL;
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}
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if (priv->header_canvas != NULL) {
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gtk_widget_destroy (GTK_WIDGET (priv->header_canvas));
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priv->header_canvas = NULL;
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}
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if (priv->site)
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e_tree_drag_source_unset (E_TREE (object));
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if (priv->last_drop_context != NULL) {
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g_object_weak_unref (
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G_OBJECT (priv->last_drop_context),
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context_destroyed, object);
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priv->last_drop_context = NULL;
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}
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if (priv->info_text != NULL) {
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g_object_run_dispose (G_OBJECT (priv->info_text));
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priv->info_text = NULL;
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}
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priv->info_text_resize_id = 0;
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if (priv->table_canvas != NULL) {
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gtk_widget_destroy (GTK_WIDGET (priv->table_canvas));
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priv->table_canvas = NULL;
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}
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/* do not unref it, it was owned by priv->table_canvas */
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priv->item = NULL;
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|
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/* Chain up to parent's dispose() method. */
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G_OBJECT_CLASS (e_tree_parent_class)->dispose (object);
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}
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static void
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et_unrealize (GtkWidget *widget)
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{
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scroll_off (E_TREE (widget));
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hover_off (E_TREE (widget));
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if (GTK_WIDGET_CLASS (e_tree_parent_class)->unrealize)
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GTK_WIDGET_CLASS (e_tree_parent_class)->unrealize (widget);
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}
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|
|
typedef struct {
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ETree *tree;
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gchar *string;
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} SearchSearchStruct;
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|
|
|
static gboolean
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search_search_callback (ETreeModel *model,
|
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ETreePath path,
|
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gpointer data)
|
|
{
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SearchSearchStruct *cb_data = data;
|
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gconstpointer value;
|
|
ETableCol *col = current_search_col (cb_data->tree);
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|
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value = e_tree_model_value_at (
|
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model, path,
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cb_data->tree->priv->current_search_col->spec->model_col);
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return col->search (value, cb_data->string);
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}
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|
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static gboolean
|
|
et_search_search (ETableSearch *search,
|
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gchar *string,
|
|
ETableSearchFlags flags,
|
|
ETree *tree)
|
|
{
|
|
ETreePath cursor;
|
|
ETreePath found;
|
|
SearchSearchStruct cb_data;
|
|
ETableCol *col = current_search_col (tree);
|
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|
|
if (col == NULL)
|
|
return FALSE;
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|
|
cb_data.tree = tree;
|
|
cb_data.string = string;
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|
|
cursor = e_tree_get_cursor (tree);
|
|
|
|
if (cursor && (flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST)) {
|
|
gconstpointer value;
|
|
|
|
value = e_tree_model_value_at (
|
|
tree->priv->model, cursor, col->spec->model_col);
|
|
|
|
if (col->search (value, string)) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
found = e_tree_model_node_find (
|
|
tree->priv->model, cursor, NULL,
|
|
search_search_callback, &cb_data);
|
|
if (found == NULL)
|
|
found = e_tree_model_node_find (
|
|
tree->priv->model, NULL, cursor,
|
|
search_search_callback, &cb_data);
|
|
|
|
if (found && found != cursor) {
|
|
gint model_row;
|
|
|
|
e_tree_table_adapter_show_node (tree->priv->etta, found);
|
|
model_row = e_tree_table_adapter_row_of_node (tree->priv->etta, found);
|
|
|
|
e_selection_model_select_as_key_press (
|
|
E_SELECTION_MODEL (tree->priv->selection),
|
|
model_row, col->spec->model_col,
|
|
GDK_CONTROL_MASK);
|
|
return TRUE;
|
|
} else if (cursor && !(flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST)) {
|
|
gconstpointer value;
|
|
|
|
value = e_tree_model_value_at (
|
|
tree->priv->model, cursor, col->spec->model_col);
|
|
|
|
return col->search (value, string);
|
|
} else
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
et_search_accept (ETableSearch *search,
|
|
ETree *tree)
|
|
{
|
|
ETableCol *col = current_search_col (tree);
|
|
gint cursor;
|
|
|
|
if (col == NULL)
|
|
return;
|
|
|
|
g_object_get (tree->priv->selection, "cursor_row", &cursor, NULL);
|
|
|
|
e_selection_model_select_as_key_press (
|
|
E_SELECTION_MODEL (tree->priv->selection),
|
|
cursor, col->spec->model_col, 0);
|
|
}
|
|
|
|
static void
|
|
e_tree_init (ETree *tree)
|
|
{
|
|
gtk_widget_set_can_focus (GTK_WIDGET (tree), TRUE);
|
|
|
|
gtk_table_set_homogeneous (GTK_TABLE (tree), FALSE);
|
|
|
|
tree->priv = E_TREE_GET_PRIVATE (tree);
|
|
|
|
tree->priv->alternating_row_colors = 1;
|
|
tree->priv->horizontal_draw_grid = 1;
|
|
tree->priv->vertical_draw_grid = 1;
|
|
tree->priv->draw_focus = 1;
|
|
tree->priv->cursor_mode = E_CURSOR_SIMPLE;
|
|
tree->priv->length_threshold = 200;
|
|
|
|
tree->priv->drop_row = -1;
|
|
tree->priv->drop_col = -1;
|
|
|
|
tree->priv->drag_row = -1;
|
|
tree->priv->drag_col = -1;
|
|
|
|
tree->priv->selection =
|
|
E_SELECTION_MODEL (e_tree_selection_model_new ());
|
|
|
|
tree->priv->search = e_table_search_new ();
|
|
|
|
tree->priv->search_search_id = g_signal_connect (
|
|
tree->priv->search, "search",
|
|
G_CALLBACK (et_search_search), tree);
|
|
|
|
tree->priv->search_accept_id = g_signal_connect (
|
|
tree->priv->search, "accept",
|
|
G_CALLBACK (et_search_accept), tree);
|
|
|
|
tree->priv->always_search = g_getenv ("GAL_ALWAYS_SEARCH") ? TRUE : FALSE;
|
|
|
|
tree->priv->state_changed = FALSE;
|
|
tree->priv->state_change_freeze = 0;
|
|
|
|
tree->priv->is_dragging = FALSE;
|
|
}
|
|
|
|
/* Grab_focus handler for the ETree */
|
|
static void
|
|
et_grab_focus (GtkWidget *widget)
|
|
{
|
|
ETree *tree;
|
|
|
|
tree = E_TREE (widget);
|
|
|
|
gtk_widget_grab_focus (GTK_WIDGET (tree->priv->table_canvas));
|
|
}
|
|
|
|
/* Focus handler for the ETree */
|
|
static gint
|
|
et_focus (GtkWidget *container,
|
|
GtkDirectionType direction)
|
|
{
|
|
ETree *tree;
|
|
|
|
tree = E_TREE (container);
|
|
|
|
if (gtk_container_get_focus_child (GTK_CONTAINER (container))) {
|
|
gtk_container_set_focus_child (GTK_CONTAINER (container), NULL);
|
|
return FALSE;
|
|
}
|
|
|
|
return gtk_widget_child_focus (
|
|
GTK_WIDGET (tree->priv->table_canvas), direction);
|
|
}
|
|
|
|
static void
|
|
set_header_canvas_width (ETree *tree)
|
|
{
|
|
gdouble oldwidth, oldheight, width;
|
|
|
|
if (!(tree->priv->header_item &&
|
|
tree->priv->header_canvas && tree->priv->table_canvas))
|
|
return;
|
|
|
|
gnome_canvas_get_scroll_region (
|
|
GNOME_CANVAS (tree->priv->table_canvas),
|
|
NULL, NULL, &width, NULL);
|
|
gnome_canvas_get_scroll_region (
|
|
GNOME_CANVAS (tree->priv->header_canvas),
|
|
NULL, NULL, &oldwidth, &oldheight);
|
|
|
|
if (oldwidth != width ||
|
|
oldheight != E_TABLE_HEADER_ITEM (tree->priv->header_item)->height - 1)
|
|
gnome_canvas_set_scroll_region (
|
|
GNOME_CANVAS (tree->priv->header_canvas),
|
|
0, 0, width, /* COLUMN_HEADER_HEIGHT - 1 */
|
|
E_TABLE_HEADER_ITEM (tree->priv->header_item)->height - 1);
|
|
|
|
}
|
|
|
|
static void
|
|
header_canvas_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *alloc,
|
|
ETree *tree)
|
|
{
|
|
GtkAllocation allocation;
|
|
|
|
set_header_canvas_width (tree);
|
|
|
|
widget = GTK_WIDGET (tree->priv->header_canvas);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
/* When the header item is created ->height == 0,
|
|
* as the font is only created when everything is realized.
|
|
* So we set the usize here as well, so that the size of the
|
|
* header is correct */
|
|
if (allocation.height != E_TABLE_HEADER_ITEM (tree->priv->header_item)->height)
|
|
gtk_widget_set_size_request (
|
|
widget, -1,
|
|
E_TABLE_HEADER_ITEM (tree->priv->header_item)->height);
|
|
}
|
|
|
|
static void
|
|
e_tree_setup_header (ETree *tree)
|
|
{
|
|
GtkWidget *widget;
|
|
gchar *pointer;
|
|
|
|
widget = e_canvas_new ();
|
|
gtk_widget_set_can_focus (widget, FALSE);
|
|
tree->priv->header_canvas = GNOME_CANVAS (widget);
|
|
gtk_widget_show (widget);
|
|
|
|
pointer = g_strdup_printf ("%p", (gpointer) tree);
|
|
|
|
tree->priv->header_item = gnome_canvas_item_new (
|
|
gnome_canvas_root (tree->priv->header_canvas),
|
|
e_table_header_item_get_type (),
|
|
"ETableHeader", tree->priv->header,
|
|
"full_header", tree->priv->full_header,
|
|
"sort_info", tree->priv->sort_info,
|
|
"dnd_code", pointer,
|
|
"tree", tree,
|
|
NULL);
|
|
|
|
g_free (pointer);
|
|
|
|
g_signal_connect (
|
|
tree->priv->header_canvas, "size_allocate",
|
|
G_CALLBACK (header_canvas_size_allocate), tree);
|
|
|
|
gtk_widget_set_size_request (
|
|
GTK_WIDGET (tree->priv->header_canvas), -1,
|
|
E_TABLE_HEADER_ITEM (tree->priv->header_item)->height);
|
|
}
|
|
|
|
static void
|
|
scroll_to_cursor (ETree *tree)
|
|
{
|
|
ETreePath path;
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
gint x, y, w, h;
|
|
gdouble page_size;
|
|
gdouble lower;
|
|
gdouble upper;
|
|
gdouble value;
|
|
|
|
path = e_tree_get_cursor (tree);
|
|
x = y = w = h = 0;
|
|
|
|
if (path != NULL) {
|
|
ETreeTableAdapter *adapter;
|
|
gint row;
|
|
gint col = 0;
|
|
|
|
adapter = e_tree_get_table_adapter (tree);
|
|
row = e_tree_table_adapter_row_of_node (adapter, path);
|
|
|
|
if (row >= 0)
|
|
e_table_item_get_cell_geometry (
|
|
E_TABLE_ITEM (tree->priv->item),
|
|
&row, &col, &x, &y, &w, &h);
|
|
}
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
|
|
page_size = gtk_adjustment_get_page_size (adjustment);
|
|
lower = gtk_adjustment_get_lower (adjustment);
|
|
upper = gtk_adjustment_get_upper (adjustment);
|
|
value = gtk_adjustment_get_value (adjustment);
|
|
|
|
if (y < value || y + h > value + page_size) {
|
|
value = CLAMP (y - page_size / 2, lower, upper - page_size);
|
|
gtk_adjustment_set_value (adjustment, value);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
tree_canvas_reflow_idle (ETree *tree)
|
|
{
|
|
gdouble height, width;
|
|
gdouble oldheight, oldwidth;
|
|
GtkAllocation allocation;
|
|
GtkWidget *widget;
|
|
|
|
widget = GTK_WIDGET (tree->priv->table_canvas);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
g_object_get (
|
|
tree->priv->item,
|
|
"height", &height, "width", &width, NULL);
|
|
|
|
height = MAX ((gint) height, allocation.height);
|
|
width = MAX ((gint) width, allocation.width);
|
|
|
|
/* I have no idea why this needs to be -1, but it works. */
|
|
gnome_canvas_get_scroll_region (
|
|
GNOME_CANVAS (tree->priv->table_canvas),
|
|
NULL, NULL, &oldwidth, &oldheight);
|
|
|
|
if (oldwidth != width - 1 ||
|
|
oldheight != height - 1) {
|
|
gnome_canvas_set_scroll_region (
|
|
GNOME_CANVAS (tree->priv->table_canvas),
|
|
0, 0, width - 1, height - 1);
|
|
set_header_canvas_width (tree);
|
|
}
|
|
|
|
tree->priv->reflow_idle_id = 0;
|
|
|
|
if (tree->priv->show_cursor_after_reflow) {
|
|
tree->priv->show_cursor_after_reflow = FALSE;
|
|
scroll_to_cursor (tree);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
tree_canvas_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *alloc,
|
|
ETree *tree)
|
|
{
|
|
gdouble width;
|
|
gdouble height;
|
|
GValue *val = g_new0 (GValue, 1);
|
|
g_value_init (val, G_TYPE_DOUBLE);
|
|
|
|
width = alloc->width;
|
|
g_value_set_double (val, width);
|
|
g_object_get (
|
|
tree->priv->item,
|
|
"height", &height,
|
|
NULL);
|
|
height = MAX ((gint) height, alloc->height);
|
|
|
|
g_object_set (
|
|
tree->priv->item,
|
|
"width", width,
|
|
NULL);
|
|
g_object_set_property (G_OBJECT (tree->priv->header), "width", val);
|
|
g_free (val);
|
|
|
|
if (tree->priv->reflow_idle_id)
|
|
g_source_remove (tree->priv->reflow_idle_id);
|
|
tree_canvas_reflow_idle (tree);
|
|
}
|
|
|
|
static void
|
|
tree_canvas_reflow (GnomeCanvas *canvas,
|
|
ETree *tree)
|
|
{
|
|
if (!tree->priv->reflow_idle_id)
|
|
tree->priv->reflow_idle_id = g_idle_add_full (
|
|
400, (GSourceFunc) tree_canvas_reflow_idle,
|
|
tree, NULL);
|
|
}
|
|
|
|
static void
|
|
item_cursor_change (ETableItem *eti,
|
|
gint row,
|
|
ETree *tree)
|
|
{
|
|
ETreePath path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
g_signal_emit (tree, signals[CURSOR_CHANGE], 0, row, path);
|
|
}
|
|
|
|
static void
|
|
item_cursor_activated (ETableItem *eti,
|
|
gint row,
|
|
ETree *tree)
|
|
{
|
|
ETreePath path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
g_signal_emit (tree, signals[CURSOR_ACTIVATED], 0, row, path);
|
|
}
|
|
|
|
static void
|
|
item_double_click (ETableItem *eti,
|
|
gint row,
|
|
gint col,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
ETreePath path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
g_signal_emit (tree, signals[DOUBLE_CLICK], 0, row, path, col, event);
|
|
}
|
|
|
|
static gboolean
|
|
item_right_click (ETableItem *eti,
|
|
gint row,
|
|
gint col,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
ETreePath path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
gboolean return_val = 0;
|
|
|
|
g_signal_emit (
|
|
tree, signals[RIGHT_CLICK], 0,
|
|
row, path, col, event, &return_val);
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static gboolean
|
|
item_click (ETableItem *eti,
|
|
gint row,
|
|
gint col,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
gboolean return_val = 0;
|
|
ETreePath path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
g_signal_emit (
|
|
tree, signals[CLICK], 0, row, path, col, event, &return_val);
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static gint
|
|
item_key_press (ETableItem *eti,
|
|
gint row,
|
|
gint col,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
gint return_val = 0;
|
|
GdkEventKey *key = (GdkEventKey *) event;
|
|
ETreePath path;
|
|
gint y, row_local, col_local;
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
gdouble page_size;
|
|
gdouble upper;
|
|
gdouble value;
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
|
|
page_size = gtk_adjustment_get_page_size (adjustment);
|
|
upper = gtk_adjustment_get_upper (adjustment);
|
|
value = gtk_adjustment_get_value (adjustment);
|
|
|
|
switch (key->keyval) {
|
|
case GDK_KEY_Page_Down:
|
|
case GDK_KEY_KP_Page_Down:
|
|
y = CLAMP (value + (2 * page_size - 50), 0, upper);
|
|
y -= value;
|
|
e_tree_get_cell_at (tree, 30, y, &row_local, &col_local);
|
|
|
|
if (row_local == -1)
|
|
row_local = e_table_model_row_count (
|
|
E_TABLE_MODEL (tree->priv->etta)) - 1;
|
|
|
|
col_local = e_selection_model_cursor_col (
|
|
E_SELECTION_MODEL (tree->priv->selection));
|
|
e_selection_model_select_as_key_press (
|
|
E_SELECTION_MODEL (tree->priv->selection),
|
|
row_local, col_local, key->state);
|
|
|
|
return_val = 1;
|
|
break;
|
|
case GDK_KEY_Page_Up:
|
|
case GDK_KEY_KP_Page_Up:
|
|
y = CLAMP (value - (page_size - 50), 0, upper);
|
|
y -= value;
|
|
e_tree_get_cell_at (tree, 30, y, &row_local, &col_local);
|
|
|
|
if (row_local == -1)
|
|
row_local = e_table_model_row_count (
|
|
E_TABLE_MODEL (tree->priv->etta)) - 1;
|
|
|
|
col_local = e_selection_model_cursor_col (
|
|
E_SELECTION_MODEL (tree->priv->selection));
|
|
e_selection_model_select_as_key_press (
|
|
E_SELECTION_MODEL (tree->priv->selection),
|
|
row_local, col_local, key->state);
|
|
|
|
return_val = 1;
|
|
break;
|
|
case GDK_KEY_plus:
|
|
case GDK_KEY_KP_Add:
|
|
case GDK_KEY_Right:
|
|
case GDK_KEY_KP_Right:
|
|
/* Only allow if the Shift modifier is used.
|
|
* eg. Ctrl-Equal shouldn't be handled. */
|
|
if ((key->state & (GDK_SHIFT_MASK | GDK_LOCK_MASK |
|
|
GDK_MOD1_MASK)) != GDK_SHIFT_MASK)
|
|
break;
|
|
if (row != -1) {
|
|
path = e_tree_table_adapter_node_at_row (
|
|
tree->priv->etta, row);
|
|
if (path)
|
|
e_tree_table_adapter_node_set_expanded (
|
|
tree->priv->etta, path, TRUE);
|
|
}
|
|
return_val = 1;
|
|
break;
|
|
case GDK_KEY_underscore:
|
|
case GDK_KEY_KP_Subtract:
|
|
case GDK_KEY_Left:
|
|
case GDK_KEY_KP_Left:
|
|
/* Only allow if the Shift modifier is used.
|
|
* eg. Ctrl-Minus shouldn't be handled. */
|
|
if ((key->state & (GDK_SHIFT_MASK | GDK_LOCK_MASK |
|
|
GDK_MOD1_MASK)) != GDK_SHIFT_MASK)
|
|
break;
|
|
if (row != -1) {
|
|
path = e_tree_table_adapter_node_at_row (
|
|
tree->priv->etta, row);
|
|
if (path)
|
|
e_tree_table_adapter_node_set_expanded (
|
|
tree->priv->etta, path, FALSE);
|
|
}
|
|
return_val = 1;
|
|
break;
|
|
case GDK_KEY_BackSpace:
|
|
if (e_table_search_backspace (tree->priv->search))
|
|
return TRUE;
|
|
/* Fallthrough */
|
|
default:
|
|
if ((key->state & ~(GDK_SHIFT_MASK | GDK_LOCK_MASK |
|
|
GDK_MOD1_MASK | GDK_MOD2_MASK | GDK_MOD3_MASK |
|
|
GDK_MOD4_MASK | GDK_MOD5_MASK)) == 0
|
|
&& ((key->keyval >= GDK_KEY_a && key->keyval <= GDK_KEY_z) ||
|
|
(key->keyval >= GDK_KEY_A && key->keyval <= GDK_KEY_Z) ||
|
|
(key->keyval >= GDK_KEY_0 && key->keyval <= GDK_KEY_9))) {
|
|
e_table_search_input_character (tree->priv->search, key->keyval);
|
|
}
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
g_signal_emit (
|
|
tree,
|
|
signals[KEY_PRESS], 0,
|
|
row, path, col, event, &return_val);
|
|
break;
|
|
}
|
|
return return_val;
|
|
}
|
|
|
|
static gint
|
|
item_start_drag (ETableItem *eti,
|
|
gint row,
|
|
gint col,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
ETreePath path;
|
|
gint return_val = 0;
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
g_signal_emit (
|
|
tree, signals[START_DRAG], 0,
|
|
row, path, col, event, &return_val);
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static void
|
|
et_selection_model_selection_changed (ETableSelectionModel *etsm,
|
|
ETree *tree)
|
|
{
|
|
g_signal_emit (tree, signals[SELECTION_CHANGE], 0);
|
|
}
|
|
|
|
static void
|
|
et_selection_model_selection_row_changed (ETableSelectionModel *etsm,
|
|
gint row,
|
|
ETree *tree)
|
|
{
|
|
g_signal_emit (tree, signals[SELECTION_CHANGE], 0);
|
|
}
|
|
|
|
static void
|
|
et_build_item (ETree *tree)
|
|
{
|
|
tree->priv->item = gnome_canvas_item_new (
|
|
GNOME_CANVAS_GROUP (
|
|
gnome_canvas_root (tree->priv->table_canvas)),
|
|
e_table_item_get_type (),
|
|
"ETableHeader", tree->priv->header,
|
|
"ETableModel", tree->priv->etta,
|
|
"selection_model", tree->priv->selection,
|
|
"alternating_row_colors", tree->priv->alternating_row_colors,
|
|
"horizontal_draw_grid", tree->priv->horizontal_draw_grid,
|
|
"vertical_draw_grid", tree->priv->vertical_draw_grid,
|
|
"drawfocus", tree->priv->draw_focus,
|
|
"cursor_mode", tree->priv->cursor_mode,
|
|
"length_threshold", tree->priv->length_threshold,
|
|
"uniform_row_height", tree->priv->uniform_row_height,
|
|
NULL);
|
|
|
|
g_signal_connect (
|
|
tree->priv->item, "cursor_change",
|
|
G_CALLBACK (item_cursor_change), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "cursor_activated",
|
|
G_CALLBACK (item_cursor_activated), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "double_click",
|
|
G_CALLBACK (item_double_click), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "right_click",
|
|
G_CALLBACK (item_right_click), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "click",
|
|
G_CALLBACK (item_click), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "key_press",
|
|
G_CALLBACK (item_key_press), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "start_drag",
|
|
G_CALLBACK (item_start_drag), tree);
|
|
g_signal_connect (
|
|
tree->priv->item, "notify::is-editing",
|
|
G_CALLBACK (tree_item_is_editing_changed_cb), tree);
|
|
}
|
|
|
|
static void
|
|
et_canvas_style_set (GtkWidget *widget,
|
|
GtkStyle *prev_style)
|
|
{
|
|
GtkStyle *style;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
|
|
gnome_canvas_item_set (
|
|
E_TREE (widget)->priv->white_item,
|
|
"fill_color_gdk", &style->base[GTK_STATE_NORMAL],
|
|
NULL);
|
|
}
|
|
|
|
static gboolean
|
|
white_item_event (GnomeCanvasItem *white_item,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
gboolean return_val = 0;
|
|
|
|
g_signal_emit (
|
|
tree,
|
|
signals[WHITE_SPACE_EVENT], 0,
|
|
event, &return_val);
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static gint
|
|
et_canvas_root_event (GnomeCanvasItem *root,
|
|
GdkEvent *event,
|
|
ETree *tree)
|
|
{
|
|
switch (event->type) {
|
|
case GDK_BUTTON_PRESS:
|
|
case GDK_2BUTTON_PRESS:
|
|
case GDK_BUTTON_RELEASE:
|
|
if (event->button.button != 4 && event->button.button != 5) {
|
|
if (gtk_widget_has_focus (GTK_WIDGET (root->canvas))) {
|
|
GnomeCanvasItem *item = GNOME_CANVAS (root->canvas)->focused_item;
|
|
|
|
if (E_IS_TABLE_ITEM (item)) {
|
|
e_table_item_leave_edit (E_TABLE_ITEM (item));
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* Handler for focus events in the table_canvas; we have to repaint ourselves
|
|
* and give the focus to some ETableItem.
|
|
*/
|
|
static gboolean
|
|
table_canvas_focus_event_cb (GtkWidget *widget,
|
|
GdkEventFocus *event,
|
|
gpointer data)
|
|
{
|
|
GnomeCanvas *canvas;
|
|
ETree *tree;
|
|
|
|
gtk_widget_queue_draw (widget);
|
|
|
|
if (!event->in)
|
|
return TRUE;
|
|
|
|
canvas = GNOME_CANVAS (widget);
|
|
tree = E_TREE (data);
|
|
|
|
if (!canvas->focused_item ||
|
|
(e_selection_model_cursor_row (tree->priv->selection) == -1)) {
|
|
e_table_item_set_cursor (E_TABLE_ITEM (tree->priv->item), 0, 0);
|
|
gnome_canvas_item_grab_focus (tree->priv->item);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
e_tree_setup_table (ETree *tree)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkStyle *style;
|
|
|
|
tree->priv->table_canvas = GNOME_CANVAS (e_canvas_new ());
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "size_allocate",
|
|
G_CALLBACK (tree_canvas_size_allocate), tree);
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "focus_in_event",
|
|
G_CALLBACK (table_canvas_focus_event_cb), tree);
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "focus_out_event",
|
|
G_CALLBACK (table_canvas_focus_event_cb), tree);
|
|
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "drag_begin",
|
|
G_CALLBACK (et_drag_begin), tree);
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "drag_end",
|
|
G_CALLBACK (et_drag_end), tree);
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "drag_data_get",
|
|
G_CALLBACK (et_drag_data_get), tree);
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "drag_data_delete",
|
|
G_CALLBACK (et_drag_data_delete), tree);
|
|
g_signal_connect (
|
|
tree, "drag_motion",
|
|
G_CALLBACK (et_drag_motion), tree);
|
|
g_signal_connect (
|
|
tree, "drag_leave",
|
|
G_CALLBACK (et_drag_leave), tree);
|
|
g_signal_connect (
|
|
tree, "drag_drop",
|
|
G_CALLBACK (et_drag_drop), tree);
|
|
g_signal_connect (
|
|
tree, "drag_data_received",
|
|
G_CALLBACK (et_drag_data_received), tree);
|
|
|
|
g_signal_connect (
|
|
tree->priv->table_canvas, "reflow",
|
|
G_CALLBACK (tree_canvas_reflow), tree);
|
|
|
|
widget = GTK_WIDGET (tree->priv->table_canvas);
|
|
style = gtk_widget_get_style (widget);
|
|
|
|
gtk_widget_show (widget);
|
|
|
|
tree->priv->white_item = gnome_canvas_item_new (
|
|
gnome_canvas_root (tree->priv->table_canvas),
|
|
e_canvas_background_get_type (),
|
|
"fill_color_gdk", &style->base[GTK_STATE_NORMAL],
|
|
NULL);
|
|
|
|
g_signal_connect (
|
|
tree->priv->white_item, "event",
|
|
G_CALLBACK (white_item_event), tree);
|
|
g_signal_connect (
|
|
gnome_canvas_root (tree->priv->table_canvas), "event",
|
|
G_CALLBACK (et_canvas_root_event), tree);
|
|
|
|
et_build_item (tree);
|
|
}
|
|
|
|
void
|
|
e_tree_set_state_object (ETree *tree,
|
|
ETableState *state)
|
|
{
|
|
GValue *val;
|
|
GtkAllocation allocation;
|
|
GtkWidget *widget;
|
|
|
|
val = g_new0 (GValue, 1);
|
|
g_value_init (val, G_TYPE_DOUBLE);
|
|
|
|
connect_header (tree, state);
|
|
|
|
widget = GTK_WIDGET (tree->priv->table_canvas);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
g_value_set_double (val, (gdouble) allocation.width);
|
|
g_object_set_property (G_OBJECT (tree->priv->header), "width", val);
|
|
g_free (val);
|
|
|
|
if (tree->priv->header_item)
|
|
g_object_set (
|
|
tree->priv->header_item,
|
|
"ETableHeader", tree->priv->header,
|
|
"sort_info", tree->priv->sort_info,
|
|
NULL);
|
|
|
|
if (tree->priv->item)
|
|
g_object_set (
|
|
tree->priv->item,
|
|
"ETableHeader", tree->priv->header,
|
|
NULL);
|
|
|
|
if (tree->priv->etta)
|
|
e_tree_table_adapter_set_sort_info (
|
|
tree->priv->etta, tree->priv->sort_info);
|
|
|
|
e_tree_state_change (tree);
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_state_object:
|
|
* @tree: #ETree object to act on
|
|
*
|
|
* Builds an #ETableState corresponding to the current state of the
|
|
* #ETree.
|
|
*
|
|
* Return value:
|
|
* The %ETableState object generated.
|
|
**/
|
|
ETableState *
|
|
e_tree_get_state_object (ETree *tree)
|
|
{
|
|
ETableState *state;
|
|
GPtrArray *columns;
|
|
gint full_col_count;
|
|
gint i, j;
|
|
|
|
columns = e_table_specification_ref_columns (tree->priv->spec);
|
|
|
|
state = e_table_state_new (tree->priv->spec);
|
|
|
|
g_clear_object (&state->sort_info);
|
|
if (tree->priv->sort_info != NULL)
|
|
state->sort_info = g_object_ref (tree->priv->sort_info);
|
|
|
|
state->col_count = e_table_header_count (tree->priv->header);
|
|
full_col_count = e_table_header_count (tree->priv->full_header);
|
|
|
|
state->column_specs = g_new (
|
|
ETableColumnSpecification *, state->col_count);
|
|
state->expansions = g_new (gdouble, state->col_count);
|
|
|
|
for (i = 0; i < state->col_count; i++) {
|
|
ETableCol *col = e_table_header_get_column (tree->priv->header, i);
|
|
state->column_specs[i] = NULL;
|
|
for (j = 0; j < full_col_count; j++) {
|
|
if (col->spec->model_col == e_table_header_index (tree->priv->full_header, j)) {
|
|
state->column_specs[i] =
|
|
g_object_ref (columns->pdata[j]);
|
|
break;
|
|
}
|
|
}
|
|
state->expansions[i] = col->expansion;
|
|
}
|
|
|
|
g_ptr_array_unref (columns);
|
|
|
|
return state;
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_spec:
|
|
* @tree: The #ETree to query
|
|
*
|
|
* Returns the specification object.
|
|
*
|
|
* Return value:
|
|
**/
|
|
ETableSpecification *
|
|
e_tree_get_spec (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return tree->priv->spec;
|
|
}
|
|
|
|
static void
|
|
et_table_model_changed (ETableModel *model,
|
|
ETree *tree)
|
|
{
|
|
if (tree->priv->horizontal_scrolling)
|
|
e_table_header_update_horizontal (tree->priv->header);
|
|
}
|
|
|
|
static void
|
|
et_table_row_changed (ETableModel *table_model,
|
|
gint row,
|
|
ETree *tree)
|
|
{
|
|
et_table_model_changed (table_model, tree);
|
|
}
|
|
|
|
static void
|
|
et_table_cell_changed (ETableModel *table_model,
|
|
gint view_col,
|
|
gint row,
|
|
ETree *tree)
|
|
{
|
|
et_table_model_changed (table_model, tree);
|
|
}
|
|
|
|
static void
|
|
et_table_rows_deleted (ETableModel *table_model,
|
|
gint row,
|
|
gint count,
|
|
ETree *tree)
|
|
{
|
|
ETreeTableAdapter *adapter;
|
|
ETreePath * node, * prev_node;
|
|
|
|
/* If the cursor is still valid after this deletion, we're done */
|
|
if (e_selection_model_cursor_row (tree->priv->selection) >= 0
|
|
|| row == 0)
|
|
return;
|
|
|
|
adapter = e_tree_get_table_adapter (tree);
|
|
prev_node = e_tree_table_adapter_node_at_row (adapter, row - 1);
|
|
node = e_tree_get_cursor (tree);
|
|
|
|
/* Check if the cursor is a child of the node directly before the
|
|
* deleted region (implying that an expander was collapsed with
|
|
* the cursor inside it) */
|
|
while (node) {
|
|
node = e_tree_model_node_get_parent (tree->priv->model, node);
|
|
if (node == prev_node) {
|
|
/* Set the cursor to the still-visible parent */
|
|
e_tree_set_cursor (tree, prev_node);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
et_connect_to_etta (ETree *tree)
|
|
{
|
|
tree->priv->table_model_change_id = g_signal_connect (
|
|
tree->priv->etta, "model_changed",
|
|
G_CALLBACK (et_table_model_changed), tree);
|
|
|
|
tree->priv->table_row_change_id = g_signal_connect (
|
|
tree->priv->etta, "model_row_changed",
|
|
G_CALLBACK (et_table_row_changed), tree);
|
|
|
|
tree->priv->table_cell_change_id = g_signal_connect (
|
|
tree->priv->etta, "model_cell_changed",
|
|
G_CALLBACK (et_table_cell_changed), tree);
|
|
|
|
tree->priv->table_rows_delete_id = g_signal_connect (
|
|
tree->priv->etta, "model_rows_deleted",
|
|
G_CALLBACK (et_table_rows_deleted), tree);
|
|
|
|
}
|
|
|
|
static gboolean
|
|
et_real_construct (ETree *tree,
|
|
ETreeModel *etm,
|
|
ETableExtras *ete,
|
|
ETableSpecification *specification,
|
|
ETableState *state)
|
|
{
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
gint row = 0;
|
|
|
|
if (ete)
|
|
g_object_ref (ete);
|
|
else
|
|
ete = e_table_extras_new ();
|
|
|
|
tree->priv->alternating_row_colors = specification->alternating_row_colors;
|
|
tree->priv->horizontal_draw_grid = specification->horizontal_draw_grid;
|
|
tree->priv->vertical_draw_grid = specification->vertical_draw_grid;
|
|
tree->priv->draw_focus = specification->draw_focus;
|
|
tree->priv->cursor_mode = specification->cursor_mode;
|
|
tree->priv->full_header = e_table_spec_to_full_header (specification, ete);
|
|
|
|
connect_header (tree, state);
|
|
|
|
tree->priv->horizontal_scrolling = specification->horizontal_scrolling;
|
|
|
|
tree->priv->model = etm;
|
|
g_object_ref (etm);
|
|
|
|
tree->priv->etta = E_TREE_TABLE_ADAPTER (
|
|
e_tree_table_adapter_new (
|
|
tree->priv->model,
|
|
tree->priv->sort_info,
|
|
tree->priv->full_header));
|
|
|
|
et_connect_to_etta (tree);
|
|
|
|
g_object_set (
|
|
tree->priv->selection,
|
|
"model", tree->priv->model,
|
|
"etta", tree->priv->etta,
|
|
"selection_mode", specification->selection_mode,
|
|
"cursor_mode", specification->cursor_mode,
|
|
NULL);
|
|
|
|
g_signal_connect (
|
|
tree->priv->selection, "selection_changed",
|
|
G_CALLBACK (et_selection_model_selection_changed), tree);
|
|
g_signal_connect (
|
|
tree->priv->selection, "selection_row_changed",
|
|
G_CALLBACK (et_selection_model_selection_row_changed), tree);
|
|
|
|
if (!specification->no_headers) {
|
|
e_tree_setup_header (tree);
|
|
}
|
|
e_tree_setup_table (tree);
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
gtk_adjustment_set_step_increment (adjustment, 20);
|
|
|
|
adjustment = gtk_scrollable_get_hadjustment (scrollable);
|
|
gtk_adjustment_set_step_increment (adjustment, 20);
|
|
|
|
if (!specification->no_headers) {
|
|
/*
|
|
* The header
|
|
*/
|
|
gtk_table_attach (
|
|
GTK_TABLE (tree),
|
|
GTK_WIDGET (tree->priv->header_canvas),
|
|
0, 1, 0 + row, 1 + row,
|
|
GTK_FILL | GTK_EXPAND,
|
|
GTK_FILL, 0, 0);
|
|
row++;
|
|
}
|
|
|
|
gtk_table_attach (
|
|
GTK_TABLE (tree),
|
|
GTK_WIDGET (tree->priv->table_canvas),
|
|
0, 1, 0 + row, 1 + row,
|
|
GTK_FILL | GTK_EXPAND,
|
|
GTK_FILL | GTK_EXPAND,
|
|
0, 0);
|
|
|
|
g_object_unref (ete);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* e_tree_construct:
|
|
* @tree: The newly created #ETree object.
|
|
* @etm: The model for this table.
|
|
* @ete: An optional #ETableExtras. (%NULL is valid.)
|
|
* @specification: an #ETableSpecification
|
|
*
|
|
* This is the internal implementation of e_tree_new() for use by
|
|
* subclasses or language bindings. See e_tree_new() for details.
|
|
*
|
|
* Return value: %TRUE on success, %FALSE if an error occurred
|
|
**/
|
|
gboolean
|
|
e_tree_construct (ETree *tree,
|
|
ETreeModel *etm,
|
|
ETableExtras *ete,
|
|
ETableSpecification *specification)
|
|
{
|
|
ETableState *state;
|
|
|
|
g_return_val_if_fail (E_IS_TREE (tree), FALSE);
|
|
g_return_val_if_fail (E_IS_TREE_MODEL (etm), FALSE);
|
|
g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), FALSE);
|
|
g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), FALSE);
|
|
|
|
state = g_object_ref (specification->state);
|
|
|
|
et_real_construct (tree, etm, ete, specification, state);
|
|
|
|
tree->priv->spec = g_object_ref (specification);
|
|
tree->priv->spec->allow_grouping = FALSE;
|
|
|
|
g_object_unref (state);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* e_tree_new:
|
|
* @etm: The model for this tree
|
|
* @ete: An optional #ETableExtras (%NULL is valid.)
|
|
* @specification: an #ETableSpecification
|
|
*
|
|
* This function creates an #ETree from the given parameters. The
|
|
* #ETreeModel is a tree model to be represented. The #ETableExtras
|
|
* is an optional set of pixbufs, cells, and sorting functions to be
|
|
* used when interpreting the spec. If you pass in %NULL it uses the
|
|
* default #ETableExtras. (See e_table_extras_new()).
|
|
*
|
|
* @specification is the specification of the set of viewable columns and the
|
|
* default sorting state and such. @state is an optional string specifying
|
|
* the current sorting state and such.
|
|
*
|
|
* Return value:
|
|
* The newly created #ETree or %NULL if there's an error.
|
|
**/
|
|
GtkWidget *
|
|
e_tree_new (ETreeModel *etm,
|
|
ETableExtras *ete,
|
|
ETableSpecification *specification)
|
|
{
|
|
ETree *tree;
|
|
|
|
g_return_val_if_fail (E_IS_TREE_MODEL (etm), NULL);
|
|
g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
|
|
g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);
|
|
|
|
tree = g_object_new (E_TYPE_TREE, NULL);
|
|
|
|
if (!e_tree_construct (tree, etm, ete, specification)) {
|
|
g_object_unref (tree);
|
|
return NULL;
|
|
}
|
|
|
|
return GTK_WIDGET (tree);
|
|
}
|
|
|
|
void
|
|
e_tree_show_cursor_after_reflow (ETree *tree)
|
|
{
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
tree->priv->show_cursor_after_reflow = TRUE;
|
|
}
|
|
|
|
void
|
|
e_tree_set_cursor (ETree *tree,
|
|
ETreePath path)
|
|
{
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
g_return_if_fail (path != NULL);
|
|
|
|
e_tree_selection_model_select_single_path (
|
|
E_TREE_SELECTION_MODEL (tree->priv->selection), path);
|
|
e_tree_selection_model_change_cursor (
|
|
E_TREE_SELECTION_MODEL (tree->priv->selection), path);
|
|
}
|
|
|
|
ETreePath
|
|
e_tree_get_cursor (ETree *tree)
|
|
{
|
|
return e_tree_selection_model_get_cursor (
|
|
E_TREE_SELECTION_MODEL (tree->priv->selection));
|
|
}
|
|
|
|
/* Standard functions */
|
|
static void
|
|
et_foreach_recurse (ETreeModel *model,
|
|
ETreePath path,
|
|
ETreeForeachFunc callback,
|
|
gpointer closure)
|
|
{
|
|
ETreePath child;
|
|
|
|
callback (path, closure);
|
|
|
|
child = e_tree_model_node_get_first_child (E_TREE_MODEL (model), path);
|
|
for (; child; child = e_tree_model_node_get_next (E_TREE_MODEL (model), child))
|
|
if (child)
|
|
et_foreach_recurse (model, child, callback, closure);
|
|
}
|
|
|
|
void
|
|
e_tree_path_foreach (ETree *tree,
|
|
ETreeForeachFunc callback,
|
|
gpointer closure)
|
|
{
|
|
ETreePath root;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
root = e_tree_model_get_root (tree->priv->model);
|
|
|
|
if (root)
|
|
et_foreach_recurse (tree->priv->model,
|
|
root,
|
|
callback,
|
|
closure);
|
|
}
|
|
|
|
static void
|
|
et_get_property (GObject *object,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
ETree *tree = E_TREE (object);
|
|
|
|
switch (property_id) {
|
|
case PROP_ETTA:
|
|
g_value_set_object (value, tree->priv->etta);
|
|
break;
|
|
|
|
case PROP_UNIFORM_ROW_HEIGHT:
|
|
g_value_set_boolean (value, tree->priv->uniform_row_height);
|
|
break;
|
|
|
|
case PROP_IS_EDITING:
|
|
g_value_set_boolean (value, e_tree_is_editing (tree));
|
|
break;
|
|
|
|
case PROP_ALWAYS_SEARCH:
|
|
g_value_set_boolean (value, tree->priv->always_search);
|
|
break;
|
|
|
|
case PROP_HADJUSTMENT:
|
|
if (tree->priv->table_canvas)
|
|
g_object_get_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"hadjustment", value);
|
|
else
|
|
g_value_set_object (value, NULL);
|
|
break;
|
|
|
|
case PROP_VADJUSTMENT:
|
|
if (tree->priv->table_canvas)
|
|
g_object_get_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"vadjustment", value);
|
|
else
|
|
g_value_set_object (value, NULL);
|
|
break;
|
|
|
|
case PROP_HSCROLL_POLICY:
|
|
if (tree->priv->table_canvas)
|
|
g_object_get_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"hscroll-policy", value);
|
|
else
|
|
g_value_set_enum (value, 0);
|
|
break;
|
|
|
|
case PROP_VSCROLL_POLICY:
|
|
if (tree->priv->table_canvas)
|
|
g_object_get_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"vscroll-policy", value);
|
|
else
|
|
g_value_set_enum (value, 0);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
typedef struct {
|
|
gchar *arg;
|
|
gboolean setting;
|
|
} bool_closure;
|
|
|
|
static void
|
|
et_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
ETree *tree = E_TREE (object);
|
|
|
|
switch (property_id) {
|
|
case PROP_LENGTH_THRESHOLD:
|
|
tree->priv->length_threshold = g_value_get_int (value);
|
|
if (tree->priv->item) {
|
|
gnome_canvas_item_set (
|
|
GNOME_CANVAS_ITEM (tree->priv->item),
|
|
"length_threshold",
|
|
tree->priv->length_threshold,
|
|
NULL);
|
|
}
|
|
break;
|
|
|
|
case PROP_HORIZONTAL_DRAW_GRID:
|
|
tree->priv->horizontal_draw_grid = g_value_get_boolean (value);
|
|
if (tree->priv->item) {
|
|
gnome_canvas_item_set (
|
|
GNOME_CANVAS_ITEM (tree->priv->item),
|
|
"horizontal_draw_grid",
|
|
tree->priv->horizontal_draw_grid,
|
|
NULL);
|
|
}
|
|
break;
|
|
|
|
case PROP_VERTICAL_DRAW_GRID:
|
|
tree->priv->vertical_draw_grid = g_value_get_boolean (value);
|
|
if (tree->priv->item) {
|
|
gnome_canvas_item_set (
|
|
GNOME_CANVAS_ITEM (tree->priv->item),
|
|
"vertical_draw_grid",
|
|
tree->priv->vertical_draw_grid,
|
|
NULL);
|
|
}
|
|
break;
|
|
|
|
case PROP_DRAW_FOCUS:
|
|
tree->priv->draw_focus = g_value_get_boolean (value);
|
|
if (tree->priv->item) {
|
|
gnome_canvas_item_set (
|
|
GNOME_CANVAS_ITEM (tree->priv->item),
|
|
"drawfocus",
|
|
tree->priv->draw_focus,
|
|
NULL);
|
|
}
|
|
break;
|
|
|
|
case PROP_UNIFORM_ROW_HEIGHT:
|
|
tree->priv->uniform_row_height = g_value_get_boolean (value);
|
|
if (tree->priv->item) {
|
|
gnome_canvas_item_set (
|
|
GNOME_CANVAS_ITEM (tree->priv->item),
|
|
"uniform_row_height",
|
|
tree->priv->uniform_row_height,
|
|
NULL);
|
|
}
|
|
break;
|
|
|
|
case PROP_ALWAYS_SEARCH:
|
|
if (tree->priv->always_search == g_value_get_boolean (value))
|
|
return;
|
|
tree->priv->always_search = g_value_get_boolean (value);
|
|
clear_current_search_col (tree);
|
|
break;
|
|
|
|
case PROP_HADJUSTMENT:
|
|
if (tree->priv->table_canvas)
|
|
g_object_set_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"hadjustment", value);
|
|
break;
|
|
|
|
case PROP_VADJUSTMENT:
|
|
if (tree->priv->table_canvas)
|
|
g_object_set_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"vadjustment", value);
|
|
break;
|
|
|
|
case PROP_HSCROLL_POLICY:
|
|
if (tree->priv->table_canvas)
|
|
g_object_set_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"hscroll-policy", value);
|
|
break;
|
|
|
|
case PROP_VSCROLL_POLICY:
|
|
if (tree->priv->table_canvas)
|
|
g_object_set_property (
|
|
G_OBJECT (tree->priv->table_canvas),
|
|
"vscroll-policy", value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_model:
|
|
* @tree: the ETree
|
|
*
|
|
* Returns the model upon which this ETree is based.
|
|
*
|
|
* Returns: the model
|
|
**/
|
|
ETreeModel *
|
|
e_tree_get_model (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return tree->priv->model;
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_selection_model:
|
|
* @tree: the ETree
|
|
*
|
|
* Returns the selection model of this ETree.
|
|
*
|
|
* Returns: the selection model
|
|
**/
|
|
ESelectionModel *
|
|
e_tree_get_selection_model (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return tree->priv->selection;
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_table_adapter:
|
|
* @tree: the ETree
|
|
*
|
|
* Returns the table adapter this ETree uses.
|
|
*
|
|
* Returns: the model
|
|
**/
|
|
ETreeTableAdapter *
|
|
e_tree_get_table_adapter (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return tree->priv->etta;
|
|
}
|
|
|
|
ETableItem *
|
|
e_tree_get_item (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return E_TABLE_ITEM (tree->priv->item);
|
|
}
|
|
|
|
GnomeCanvasItem *
|
|
e_tree_get_header_item (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
return tree->priv->header_item;
|
|
}
|
|
|
|
struct _ETreeDragSourceSite
|
|
{
|
|
GdkModifierType start_button_mask;
|
|
GtkTargetList *target_list; /* Targets for drag data */
|
|
GdkDragAction actions; /* Possible actions */
|
|
GdkPixbuf *pixbuf; /* Icon for drag data */
|
|
|
|
/* Stored button press information to detect drag beginning */
|
|
gint state;
|
|
gint x, y;
|
|
gint row, col;
|
|
};
|
|
|
|
typedef enum
|
|
{
|
|
GTK_DRAG_STATUS_DRAG,
|
|
GTK_DRAG_STATUS_WAIT,
|
|
GTK_DRAG_STATUS_DROP
|
|
} GtkDragStatus;
|
|
|
|
typedef struct _GtkDragDestInfo GtkDragDestInfo;
|
|
typedef struct _GtkDragSourceInfo GtkDragSourceInfo;
|
|
|
|
struct _GtkDragDestInfo
|
|
{
|
|
GtkWidget *widget; /* Widget in which drag is in */
|
|
GdkDragContext *context; /* Drag context */
|
|
GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
|
|
GtkSelectionData *proxy_data; /* Set while retrieving proxied data */
|
|
guint dropped : 1; /* Set after we receive a drop */
|
|
guint32 proxy_drop_time; /* Timestamp for proxied drop */
|
|
guint proxy_drop_wait : 1; /* Set if we are waiting for a
|
|
* status reply before sending
|
|
* a proxied drop on.
|
|
*/
|
|
gint drop_x, drop_y; /* Position of drop */
|
|
};
|
|
|
|
struct _GtkDragSourceInfo
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTargetList *target_list; /* Targets for drag data */
|
|
GdkDragAction possible_actions; /* Actions allowed by source */
|
|
GdkDragContext *context; /* drag context */
|
|
GtkWidget *icon_window; /* Window for drag */
|
|
GtkWidget *ipc_widget; /* GtkInvisible for grab, message passing */
|
|
GdkCursor *cursor; /* Cursor for drag */
|
|
gint hot_x, hot_y; /* Hot spot for drag */
|
|
gint button; /* mouse button starting drag */
|
|
|
|
GtkDragStatus status; /* drag status */
|
|
GdkEvent *last_event; /* motion event waiting for response */
|
|
|
|
gint start_x, start_y; /* Initial position */
|
|
gint cur_x, cur_y; /* Current Position */
|
|
|
|
GList *selections; /* selections we've claimed */
|
|
|
|
GtkDragDestInfo *proxy_dest; /* Set if this is a proxy drag */
|
|
|
|
guint drop_timeout; /* Timeout for aborting drop */
|
|
guint destroy_icon : 1; /* If true, destroy icon_window
|
|
*/
|
|
};
|
|
|
|
/* Drag & drop stuff. */
|
|
|
|
/* Source side */
|
|
|
|
static gint
|
|
et_real_start_drag (ETree *tree,
|
|
gint row,
|
|
ETreePath path,
|
|
gint col,
|
|
GdkEvent *event)
|
|
{
|
|
GtkDragSourceInfo *info;
|
|
GdkDragContext *context;
|
|
ETreeDragSourceSite *site;
|
|
|
|
if (tree->priv->do_drag) {
|
|
site = tree->priv->site;
|
|
|
|
site->state = 0;
|
|
context = e_tree_drag_begin (
|
|
tree, row, col,
|
|
site->target_list,
|
|
site->actions,
|
|
1, event);
|
|
|
|
if (context) {
|
|
info = g_dataset_get_data (context, "gtk-info");
|
|
|
|
if (info && !info->icon_window) {
|
|
if (site->pixbuf)
|
|
gtk_drag_set_icon_pixbuf (
|
|
context,
|
|
site->pixbuf,
|
|
-2, -2);
|
|
else
|
|
gtk_drag_set_icon_default (context);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
e_tree_drag_source_set (ETree *tree,
|
|
GdkModifierType start_button_mask,
|
|
const GtkTargetEntry *targets,
|
|
gint n_targets,
|
|
GdkDragAction actions)
|
|
{
|
|
ETreeDragSourceSite *site;
|
|
GtkWidget *canvas;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
canvas = GTK_WIDGET (tree->priv->table_canvas);
|
|
site = tree->priv->site;
|
|
|
|
tree->priv->do_drag = TRUE;
|
|
|
|
gtk_widget_add_events (
|
|
canvas,
|
|
gtk_widget_get_events (canvas) |
|
|
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
|
|
GDK_BUTTON_MOTION_MASK | GDK_STRUCTURE_MASK);
|
|
|
|
if (site) {
|
|
if (site->target_list)
|
|
gtk_target_list_unref (site->target_list);
|
|
} else {
|
|
site = g_new0 (ETreeDragSourceSite, 1);
|
|
tree->priv->site = site;
|
|
}
|
|
|
|
site->start_button_mask = start_button_mask;
|
|
|
|
if (targets)
|
|
site->target_list = gtk_target_list_new (targets, n_targets);
|
|
else
|
|
site->target_list = NULL;
|
|
|
|
site->actions = actions;
|
|
}
|
|
|
|
void
|
|
e_tree_drag_source_unset (ETree *tree)
|
|
{
|
|
ETreeDragSourceSite *site;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
site = tree->priv->site;
|
|
|
|
if (site) {
|
|
if (site->target_list)
|
|
gtk_target_list_unref (site->target_list);
|
|
g_free (site);
|
|
tree->priv->site = NULL;
|
|
}
|
|
}
|
|
|
|
/* There probably should be functions for setting the targets
|
|
* as a GtkTargetList
|
|
*/
|
|
|
|
GdkDragContext *
|
|
e_tree_drag_begin (ETree *tree,
|
|
gint row,
|
|
gint col,
|
|
GtkTargetList *targets,
|
|
GdkDragAction actions,
|
|
gint button,
|
|
GdkEvent *event)
|
|
{
|
|
ETreePath path;
|
|
|
|
g_return_val_if_fail (E_IS_TREE (tree), NULL);
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
tree->priv->drag_row = row;
|
|
tree->priv->drag_path = path;
|
|
tree->priv->drag_col = col;
|
|
|
|
return gtk_drag_begin (
|
|
GTK_WIDGET (tree->priv->table_canvas),
|
|
targets,
|
|
actions,
|
|
button,
|
|
event);
|
|
}
|
|
|
|
/**
|
|
* e_tree_is_dragging:
|
|
* @tree: An #ETree widget
|
|
*
|
|
* Returns whether is @tree in a drag&drop operation.
|
|
**/
|
|
gboolean
|
|
e_tree_is_dragging (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), FALSE);
|
|
|
|
return tree->priv->is_dragging;
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_cell_at:
|
|
* @tree: An ETree widget
|
|
* @x: X coordinate for the pixel
|
|
* @y: Y coordinate for the pixel
|
|
* @row_return: Pointer to return the row value
|
|
* @col_return: Pointer to return the column value
|
|
*
|
|
* Return the row and column for the cell in which the pixel at (@x, @y) is
|
|
* contained.
|
|
**/
|
|
void
|
|
e_tree_get_cell_at (ETree *tree,
|
|
gint x,
|
|
gint y,
|
|
gint *row_return,
|
|
gint *col_return)
|
|
{
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
g_return_if_fail (row_return != NULL);
|
|
g_return_if_fail (col_return != NULL);
|
|
|
|
/* FIXME it would be nice if it could handle a NULL row_return or
|
|
* col_return gracefully. */
|
|
|
|
if (row_return)
|
|
*row_return = -1;
|
|
if (col_return)
|
|
*col_return = -1;
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
|
|
adjustment = gtk_scrollable_get_hadjustment (scrollable);
|
|
x += gtk_adjustment_get_value (adjustment);
|
|
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
y += gtk_adjustment_get_value (adjustment);
|
|
|
|
e_table_item_compute_location (
|
|
E_TABLE_ITEM (tree->priv->item),
|
|
&x, &y, row_return, col_return);
|
|
}
|
|
|
|
/**
|
|
* e_tree_get_cell_geometry:
|
|
* @tree: The tree.
|
|
* @row: The row to get the geometry of.
|
|
* @col: The col to get the geometry of.
|
|
* @x_return: Returns the x coordinate of the upper right hand corner
|
|
* of the cell with respect to the widget.
|
|
* @y_return: Returns the y coordinate of the upper right hand corner
|
|
* of the cell with respect to the widget.
|
|
* @width_return: Returns the width of the cell.
|
|
* @height_return: Returns the height of the cell.
|
|
*
|
|
* Computes the data about this cell.
|
|
**/
|
|
void
|
|
e_tree_get_cell_geometry (ETree *tree,
|
|
gint row,
|
|
gint col,
|
|
gint *x_return,
|
|
gint *y_return,
|
|
gint *width_return,
|
|
gint *height_return)
|
|
{
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
g_return_if_fail (row >= 0);
|
|
g_return_if_fail (col >= 0);
|
|
|
|
/* FIXME it would be nice if it could handle a NULL row_return or
|
|
* col_return gracefully. */
|
|
|
|
e_table_item_get_cell_geometry (
|
|
E_TABLE_ITEM (tree->priv->item),
|
|
&row, &col, x_return, y_return,
|
|
width_return, height_return);
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
|
|
if (x_return) {
|
|
adjustment = gtk_scrollable_get_hadjustment (scrollable);
|
|
(*x_return) -= gtk_adjustment_get_value (adjustment);
|
|
}
|
|
|
|
if (y_return) {
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
(*y_return) -= gtk_adjustment_get_value (adjustment);
|
|
}
|
|
}
|
|
|
|
static void
|
|
et_drag_begin (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
ETree *tree)
|
|
{
|
|
tree->priv->is_dragging = TRUE;
|
|
|
|
g_signal_emit (
|
|
tree,
|
|
signals[TREE_DRAG_BEGIN], 0,
|
|
tree->priv->drag_row,
|
|
tree->priv->drag_path,
|
|
tree->priv->drag_col,
|
|
context);
|
|
}
|
|
|
|
static void
|
|
et_drag_end (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
ETree *tree)
|
|
{
|
|
tree->priv->is_dragging = FALSE;
|
|
|
|
g_signal_emit (
|
|
tree,
|
|
signals[TREE_DRAG_END], 0,
|
|
tree->priv->drag_row,
|
|
tree->priv->drag_path,
|
|
tree->priv->drag_col,
|
|
context);
|
|
}
|
|
|
|
static void
|
|
et_drag_data_get (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
GtkSelectionData *selection_data,
|
|
guint info,
|
|
guint time,
|
|
ETree *tree)
|
|
{
|
|
g_signal_emit (
|
|
tree,
|
|
signals[TREE_DRAG_DATA_GET], 0,
|
|
tree->priv->drag_row,
|
|
tree->priv->drag_path,
|
|
tree->priv->drag_col,
|
|
context,
|
|
selection_data,
|
|
info,
|
|
time);
|
|
}
|
|
|
|
static void
|
|
et_drag_data_delete (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
ETree *tree)
|
|
{
|
|
g_signal_emit (
|
|
tree,
|
|
signals[TREE_DRAG_DATA_DELETE], 0,
|
|
tree->priv->drag_row,
|
|
tree->priv->drag_path,
|
|
tree->priv->drag_col,
|
|
context);
|
|
}
|
|
|
|
static gboolean
|
|
do_drag_motion (ETree *tree,
|
|
GdkDragContext *context,
|
|
gint x,
|
|
gint y,
|
|
guint time)
|
|
{
|
|
gboolean ret_val = FALSE;
|
|
gint row, col;
|
|
ETreePath path;
|
|
|
|
e_tree_get_cell_at (tree, x, y, &row, &col);
|
|
|
|
if (row != tree->priv->drop_row && col != tree->priv->drop_col) {
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_LEAVE], 0,
|
|
tree->priv->drop_row,
|
|
tree->priv->drop_path,
|
|
tree->priv->drop_col,
|
|
context,
|
|
time);
|
|
}
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
tree->priv->drop_row = row;
|
|
tree->priv->drop_path = path;
|
|
tree->priv->drop_col = col;
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_MOTION], 0,
|
|
tree->priv->drop_row,
|
|
tree->priv->drop_path,
|
|
tree->priv->drop_col,
|
|
context,
|
|
x, y,
|
|
time,
|
|
&ret_val);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
static gboolean
|
|
scroll_timeout (gpointer data)
|
|
{
|
|
ETree *tree = data;
|
|
gint dx = 0, dy = 0;
|
|
GtkAdjustment *adjustment;
|
|
GtkScrollable *scrollable;
|
|
gdouble old_h_value;
|
|
gdouble new_h_value;
|
|
gdouble old_v_value;
|
|
gdouble new_v_value;
|
|
gdouble page_size;
|
|
gdouble lower;
|
|
gdouble upper;
|
|
|
|
if (tree->priv->scroll_direction & ET_SCROLL_DOWN)
|
|
dy += 20;
|
|
if (tree->priv->scroll_direction & ET_SCROLL_UP)
|
|
dy -= 20;
|
|
|
|
if (tree->priv->scroll_direction & ET_SCROLL_RIGHT)
|
|
dx += 20;
|
|
if (tree->priv->scroll_direction & ET_SCROLL_LEFT)
|
|
dx -= 20;
|
|
|
|
scrollable = GTK_SCROLLABLE (tree->priv->table_canvas);
|
|
|
|
adjustment = gtk_scrollable_get_hadjustment (scrollable);
|
|
|
|
page_size = gtk_adjustment_get_page_size (adjustment);
|
|
lower = gtk_adjustment_get_lower (adjustment);
|
|
upper = gtk_adjustment_get_upper (adjustment);
|
|
|
|
old_h_value = gtk_adjustment_get_value (adjustment);
|
|
new_h_value = CLAMP (old_h_value + dx, lower, upper - page_size);
|
|
|
|
gtk_adjustment_set_value (adjustment, new_h_value);
|
|
|
|
adjustment = gtk_scrollable_get_vadjustment (scrollable);
|
|
|
|
page_size = gtk_adjustment_get_page_size (adjustment);
|
|
lower = gtk_adjustment_get_lower (adjustment);
|
|
upper = gtk_adjustment_get_upper (adjustment);
|
|
|
|
old_v_value = gtk_adjustment_get_value (adjustment);
|
|
new_v_value = CLAMP (old_v_value + dy, lower, upper - page_size);
|
|
|
|
gtk_adjustment_set_value (adjustment, new_v_value);
|
|
|
|
if (new_h_value != old_h_value || new_v_value != old_v_value)
|
|
do_drag_motion (
|
|
tree,
|
|
tree->priv->last_drop_context,
|
|
tree->priv->last_drop_x,
|
|
tree->priv->last_drop_y,
|
|
tree->priv->last_drop_time);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
scroll_on (ETree *tree,
|
|
guint scroll_direction)
|
|
{
|
|
if (tree->priv->scroll_idle_id == 0 ||
|
|
scroll_direction != tree->priv->scroll_direction) {
|
|
if (tree->priv->scroll_idle_id != 0)
|
|
g_source_remove (tree->priv->scroll_idle_id);
|
|
tree->priv->scroll_direction = scroll_direction;
|
|
tree->priv->scroll_idle_id = g_timeout_add (100, scroll_timeout, tree);
|
|
}
|
|
}
|
|
|
|
static void
|
|
scroll_off (ETree *tree)
|
|
{
|
|
if (tree->priv->scroll_idle_id) {
|
|
g_source_remove (tree->priv->scroll_idle_id);
|
|
tree->priv->scroll_idle_id = 0;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
hover_timeout (gpointer data)
|
|
{
|
|
ETree *tree = data;
|
|
gint x = tree->priv->hover_x;
|
|
gint y = tree->priv->hover_y;
|
|
gint row, col;
|
|
ETreePath path;
|
|
|
|
e_tree_get_cell_at (tree, x, y, &row, &col);
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
if (path && e_tree_model_node_is_expandable (tree->priv->model, path)) {
|
|
if (!e_tree_table_adapter_node_is_expanded (tree->priv->etta, path)) {
|
|
tree->priv->expanded_list = g_list_prepend (
|
|
tree->priv->expanded_list,
|
|
e_tree_model_get_save_id (
|
|
tree->priv->model, path));
|
|
|
|
e_tree_table_adapter_node_set_expanded (
|
|
tree->priv->etta, path, TRUE);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
hover_on (ETree *tree,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
tree->priv->hover_x = x;
|
|
tree->priv->hover_y = y;
|
|
if (tree->priv->hover_idle_id != 0)
|
|
g_source_remove (tree->priv->hover_idle_id);
|
|
tree->priv->hover_idle_id = g_timeout_add (500, hover_timeout, tree);
|
|
}
|
|
|
|
static void
|
|
hover_off (ETree *tree)
|
|
{
|
|
if (tree->priv->hover_idle_id) {
|
|
g_source_remove (tree->priv->hover_idle_id);
|
|
tree->priv->hover_idle_id = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
collapse_drag (ETree *tree,
|
|
ETreePath drop)
|
|
{
|
|
GList *list;
|
|
|
|
/* We only want to leave open parents of the node dropped in.
|
|
* Not the node itself. */
|
|
if (drop) {
|
|
drop = e_tree_model_node_get_parent (tree->priv->model, drop);
|
|
}
|
|
|
|
for (list = tree->priv->expanded_list; list; list = list->next) {
|
|
gchar *save_id = list->data;
|
|
ETreePath path;
|
|
|
|
path = e_tree_model_get_node_by_id (tree->priv->model, save_id);
|
|
if (path) {
|
|
ETreePath search;
|
|
gboolean found = FALSE;
|
|
|
|
for (search = drop; search;
|
|
search = e_tree_model_node_get_parent (
|
|
tree->priv->model, search)) {
|
|
if (path == search) {
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
e_tree_table_adapter_node_set_expanded (
|
|
tree->priv->etta, path, FALSE);
|
|
}
|
|
g_free (save_id);
|
|
}
|
|
g_list_free (tree->priv->expanded_list);
|
|
tree->priv->expanded_list = NULL;
|
|
}
|
|
|
|
static void
|
|
context_destroyed (gpointer data,
|
|
GObject *ctx)
|
|
{
|
|
ETree *tree = data;
|
|
if (tree->priv) {
|
|
tree->priv->last_drop_x = 0;
|
|
tree->priv->last_drop_y = 0;
|
|
tree->priv->last_drop_time = 0;
|
|
tree->priv->last_drop_context = NULL;
|
|
collapse_drag (tree, NULL);
|
|
scroll_off (tree);
|
|
hover_off (tree);
|
|
}
|
|
g_object_unref (tree);
|
|
}
|
|
|
|
static void
|
|
context_connect (ETree *tree,
|
|
GdkDragContext *context)
|
|
{
|
|
if (context == tree->priv->last_drop_context)
|
|
return;
|
|
|
|
if (tree->priv->last_drop_context)
|
|
g_object_weak_unref (
|
|
G_OBJECT (tree->priv->last_drop_context),
|
|
context_destroyed, tree);
|
|
else
|
|
g_object_ref (tree);
|
|
|
|
g_object_weak_ref (G_OBJECT (context), context_destroyed, tree);
|
|
}
|
|
|
|
static void
|
|
et_drag_leave (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
guint time,
|
|
ETree *tree)
|
|
{
|
|
g_signal_emit (
|
|
tree,
|
|
signals[TREE_DRAG_LEAVE], 0,
|
|
tree->priv->drop_row,
|
|
tree->priv->drop_path,
|
|
tree->priv->drop_col,
|
|
context,
|
|
time);
|
|
tree->priv->drop_row = -1;
|
|
tree->priv->drop_col = -1;
|
|
|
|
scroll_off (tree);
|
|
hover_off (tree);
|
|
}
|
|
|
|
static gboolean
|
|
et_drag_motion (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
gint x,
|
|
gint y,
|
|
guint time,
|
|
ETree *tree)
|
|
{
|
|
GtkAllocation allocation;
|
|
gint ret_val;
|
|
guint direction = 0;
|
|
|
|
tree->priv->last_drop_x = x;
|
|
tree->priv->last_drop_y = y;
|
|
tree->priv->last_drop_time = time;
|
|
context_connect (tree, context);
|
|
tree->priv->last_drop_context = context;
|
|
|
|
if (tree->priv->hover_idle_id != 0) {
|
|
if (abs (tree->priv->hover_x - x) > 3 ||
|
|
abs (tree->priv->hover_y - y) > 3) {
|
|
hover_on (tree, x, y);
|
|
}
|
|
} else {
|
|
hover_on (tree, x, y);
|
|
}
|
|
|
|
ret_val = do_drag_motion (tree, context, x, y, time);
|
|
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (y < 20)
|
|
direction |= ET_SCROLL_UP;
|
|
if (y > allocation.height - 20)
|
|
direction |= ET_SCROLL_DOWN;
|
|
if (x < 20)
|
|
direction |= ET_SCROLL_LEFT;
|
|
if (x > allocation.width - 20)
|
|
direction |= ET_SCROLL_RIGHT;
|
|
|
|
if (direction != 0)
|
|
scroll_on (tree, direction);
|
|
else
|
|
scroll_off (tree);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
static gboolean
|
|
et_drag_drop (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
gint x,
|
|
gint y,
|
|
guint time,
|
|
ETree *tree)
|
|
{
|
|
gboolean ret_val = FALSE;
|
|
gint row, col;
|
|
ETreePath path;
|
|
|
|
e_tree_get_cell_at (tree, x, y, &row, &col);
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
|
|
if (row != tree->priv->drop_row && col != tree->priv->drop_row) {
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_LEAVE], 0,
|
|
tree->priv->drop_row,
|
|
tree->priv->drop_path,
|
|
tree->priv->drop_col,
|
|
context,
|
|
time);
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_MOTION], 0,
|
|
row,
|
|
path,
|
|
col,
|
|
context,
|
|
x,
|
|
y,
|
|
time,
|
|
&ret_val);
|
|
}
|
|
tree->priv->drop_row = row;
|
|
tree->priv->drop_path = path;
|
|
tree->priv->drop_col = col;
|
|
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_DROP], 0,
|
|
tree->priv->drop_row,
|
|
tree->priv->drop_path,
|
|
tree->priv->drop_col,
|
|
context,
|
|
x,
|
|
y,
|
|
time,
|
|
&ret_val);
|
|
|
|
tree->priv->drop_row = -1;
|
|
tree->priv->drop_path = NULL;
|
|
tree->priv->drop_col = -1;
|
|
|
|
collapse_drag (tree, path);
|
|
|
|
scroll_off (tree);
|
|
return ret_val;
|
|
}
|
|
|
|
static void
|
|
et_drag_data_received (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
gint x,
|
|
gint y,
|
|
GtkSelectionData *selection_data,
|
|
guint info,
|
|
guint time,
|
|
ETree *tree)
|
|
{
|
|
gint row, col;
|
|
ETreePath path;
|
|
|
|
e_tree_get_cell_at (tree, x, y, &row, &col);
|
|
|
|
path = e_tree_table_adapter_node_at_row (tree->priv->etta, row);
|
|
g_signal_emit (
|
|
tree, signals[TREE_DRAG_DATA_RECEIVED], 0,
|
|
row,
|
|
path,
|
|
col,
|
|
context,
|
|
x,
|
|
y,
|
|
selection_data,
|
|
info,
|
|
time);
|
|
}
|
|
|
|
static void
|
|
e_tree_class_init (ETreeClass *class)
|
|
{
|
|
GObjectClass *object_class;
|
|
GtkWidgetClass *widget_class;
|
|
|
|
g_type_class_add_private (class, sizeof (ETreePrivate));
|
|
|
|
object_class = G_OBJECT_CLASS (class);
|
|
object_class->dispose = et_dispose;
|
|
object_class->set_property = et_set_property;
|
|
object_class->get_property = et_get_property;
|
|
|
|
widget_class = GTK_WIDGET_CLASS (class);
|
|
widget_class->grab_focus = et_grab_focus;
|
|
widget_class->unrealize = et_unrealize;
|
|
widget_class->style_set = et_canvas_style_set;
|
|
widget_class->focus = et_focus;
|
|
|
|
class->start_drag = et_real_start_drag;
|
|
|
|
signals[CURSOR_CHANGE] = g_signal_new (
|
|
"cursor_change",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, cursor_change),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER,
|
|
G_TYPE_NONE, 2,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER);
|
|
|
|
signals[CURSOR_ACTIVATED] = g_signal_new (
|
|
"cursor_activated",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, cursor_activated),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER,
|
|
G_TYPE_NONE, 2,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER);
|
|
|
|
signals[SELECTION_CHANGE] = g_signal_new (
|
|
"selection_change",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, selection_change),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
signals[DOUBLE_CLICK] = g_signal_new (
|
|
"double_click",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, double_click),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_BOXED,
|
|
G_TYPE_NONE, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[RIGHT_CLICK] = g_signal_new (
|
|
"right_click",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, right_click),
|
|
g_signal_accumulator_true_handled, NULL,
|
|
e_marshal_BOOLEAN__INT_POINTER_INT_BOXED,
|
|
G_TYPE_BOOLEAN, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[CLICK] = g_signal_new (
|
|
"click",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, click),
|
|
g_signal_accumulator_true_handled, NULL,
|
|
e_marshal_BOOLEAN__INT_POINTER_INT_BOXED,
|
|
G_TYPE_BOOLEAN, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[KEY_PRESS] = g_signal_new (
|
|
"key_press",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, key_press),
|
|
g_signal_accumulator_true_handled, NULL,
|
|
e_marshal_BOOLEAN__INT_POINTER_INT_BOXED,
|
|
G_TYPE_BOOLEAN, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[START_DRAG] = g_signal_new (
|
|
"start_drag",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, start_drag),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_BOXED,
|
|
G_TYPE_NONE, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[STATE_CHANGE] = g_signal_new (
|
|
"state_change",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, state_change),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
signals[WHITE_SPACE_EVENT] = g_signal_new (
|
|
"white_space_event",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, white_space_event),
|
|
g_signal_accumulator_true_handled, NULL,
|
|
e_marshal_BOOLEAN__POINTER,
|
|
G_TYPE_BOOLEAN, 1,
|
|
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
|
|
|
|
signals[TREE_DRAG_BEGIN] = g_signal_new (
|
|
"tree_drag_begin",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_begin),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_BOXED,
|
|
G_TYPE_NONE, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT);
|
|
|
|
signals[TREE_DRAG_END] = g_signal_new (
|
|
"tree_drag_end",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_end),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_BOXED,
|
|
G_TYPE_NONE, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT);
|
|
|
|
signals[TREE_DRAG_DATA_GET] = g_signal_new (
|
|
"tree_drag_data_get",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_data_get),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_OBJECT_BOXED_UINT_UINT,
|
|
G_TYPE_NONE, 7,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT,
|
|
GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
|
|
G_TYPE_UINT,
|
|
G_TYPE_UINT);
|
|
|
|
signals[TREE_DRAG_DATA_DELETE] = g_signal_new (
|
|
"tree_drag_data_delete",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_data_delete),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_OBJECT,
|
|
G_TYPE_NONE, 4,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT);
|
|
|
|
signals[TREE_DRAG_LEAVE] = g_signal_new (
|
|
"tree_drag_leave",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_leave),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_OBJECT_UINT,
|
|
G_TYPE_NONE, 5,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT,
|
|
G_TYPE_UINT);
|
|
|
|
signals[TREE_DRAG_MOTION] = g_signal_new (
|
|
"tree_drag_motion",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_motion),
|
|
NULL, NULL,
|
|
e_marshal_BOOLEAN__INT_POINTER_INT_OBJECT_INT_INT_UINT,
|
|
G_TYPE_BOOLEAN, 7,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT,
|
|
G_TYPE_UINT);
|
|
|
|
signals[TREE_DRAG_DROP] = g_signal_new (
|
|
"tree_drag_drop",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_drop),
|
|
NULL, NULL,
|
|
e_marshal_BOOLEAN__INT_POINTER_INT_OBJECT_INT_INT_UINT,
|
|
G_TYPE_BOOLEAN, 7,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT,
|
|
G_TYPE_UINT);
|
|
|
|
signals[TREE_DRAG_DATA_RECEIVED] = g_signal_new (
|
|
"tree_drag_data_received",
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST,
|
|
G_STRUCT_OFFSET (ETreeClass, tree_drag_data_received),
|
|
NULL, NULL,
|
|
e_marshal_NONE__INT_POINTER_INT_OBJECT_INT_INT_BOXED_UINT_UINT,
|
|
G_TYPE_NONE, 9,
|
|
G_TYPE_INT,
|
|
G_TYPE_POINTER,
|
|
G_TYPE_INT,
|
|
GDK_TYPE_DRAG_CONTEXT,
|
|
G_TYPE_INT,
|
|
G_TYPE_INT,
|
|
GTK_TYPE_SELECTION_DATA,
|
|
G_TYPE_UINT,
|
|
G_TYPE_UINT);
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_LENGTH_THRESHOLD,
|
|
g_param_spec_int (
|
|
"length_threshold",
|
|
"Length Threshold",
|
|
"Length Threshold",
|
|
0, G_MAXINT, 0,
|
|
G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_HORIZONTAL_DRAW_GRID,
|
|
g_param_spec_boolean (
|
|
"horizontal_draw_grid",
|
|
"Horizontal Draw Grid",
|
|
"Horizontal Draw Grid",
|
|
FALSE,
|
|
G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_VERTICAL_DRAW_GRID,
|
|
g_param_spec_boolean (
|
|
"vertical_draw_grid",
|
|
"Vertical Draw Grid",
|
|
"Vertical Draw Grid",
|
|
FALSE,
|
|
G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_DRAW_FOCUS,
|
|
g_param_spec_boolean (
|
|
"drawfocus",
|
|
"Draw focus",
|
|
"Draw focus",
|
|
FALSE,
|
|
G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_ETTA,
|
|
g_param_spec_object (
|
|
"ETreeTableAdapter",
|
|
"ETree table adapter",
|
|
"ETree table adapter",
|
|
E_TYPE_TREE_TABLE_ADAPTER,
|
|
G_PARAM_READABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_UNIFORM_ROW_HEIGHT,
|
|
g_param_spec_boolean (
|
|
"uniform_row_height",
|
|
"Uniform row height",
|
|
"Uniform row height",
|
|
FALSE,
|
|
G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_IS_EDITING,
|
|
g_param_spec_boolean (
|
|
"is-editing",
|
|
"Whether is in an editing mode",
|
|
"Whether is in an editing mode",
|
|
FALSE,
|
|
G_PARAM_READABLE));
|
|
|
|
g_object_class_install_property (
|
|
object_class,
|
|
PROP_ALWAYS_SEARCH,
|
|
g_param_spec_boolean (
|
|
"always_search",
|
|
"Always search",
|
|
"Always search",
|
|
FALSE,
|
|
G_PARAM_READWRITE));
|
|
|
|
gtk_widget_class_install_style_property (
|
|
widget_class,
|
|
g_param_spec_int (
|
|
"expander_size",
|
|
"Expander Size",
|
|
"Size of the expander arrow",
|
|
0, G_MAXINT, 10,
|
|
G_PARAM_READABLE));
|
|
|
|
gtk_widget_class_install_style_property (
|
|
widget_class,
|
|
g_param_spec_int (
|
|
"vertical-spacing",
|
|
"Vertical Row Spacing",
|
|
"Vertical space between rows. "
|
|
"It is added to top and to bottom of a row",
|
|
0, G_MAXINT, 3,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Scrollable interface */
|
|
g_object_class_override_property (
|
|
object_class, PROP_HADJUSTMENT, "hadjustment");
|
|
g_object_class_override_property (
|
|
object_class, PROP_VADJUSTMENT, "vadjustment");
|
|
g_object_class_override_property (
|
|
object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
|
|
g_object_class_override_property (
|
|
object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
|
|
|
|
gal_a11y_e_tree_init ();
|
|
}
|
|
|
|
static void
|
|
tree_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *alloc,
|
|
ETree *tree)
|
|
{
|
|
gdouble width;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
g_return_if_fail (tree->priv->info_text != NULL);
|
|
|
|
gnome_canvas_get_scroll_region (
|
|
GNOME_CANVAS (tree->priv->table_canvas),
|
|
NULL, NULL, &width, NULL);
|
|
|
|
width -= 60.0;
|
|
|
|
g_object_set (
|
|
tree->priv->info_text, "width", width,
|
|
"clip_width", width, NULL);
|
|
}
|
|
|
|
/**
|
|
* e_tree_set_info_message:
|
|
* @tree: #ETree instance
|
|
* @info_message: Message to set. Can be NULL.
|
|
*
|
|
* Creates an info message in table area, or removes old.
|
|
**/
|
|
void
|
|
e_tree_set_info_message (ETree *tree,
|
|
const gchar *info_message)
|
|
{
|
|
GtkAllocation allocation;
|
|
GtkWidget *widget;
|
|
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
if (!tree->priv->info_text && (!info_message || !*info_message))
|
|
return;
|
|
|
|
if (!info_message || !*info_message) {
|
|
g_signal_handler_disconnect (tree, tree->priv->info_text_resize_id);
|
|
g_object_run_dispose (G_OBJECT (tree->priv->info_text));
|
|
tree->priv->info_text = NULL;
|
|
return;
|
|
}
|
|
|
|
widget = GTK_WIDGET (tree->priv->table_canvas);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (!tree->priv->info_text) {
|
|
if (allocation.width > 60) {
|
|
tree->priv->info_text = gnome_canvas_item_new (
|
|
GNOME_CANVAS_GROUP (gnome_canvas_root (tree->priv->table_canvas)),
|
|
e_text_get_type (),
|
|
"line_wrap", TRUE,
|
|
"clip", TRUE,
|
|
"justification", GTK_JUSTIFY_LEFT,
|
|
"text", info_message,
|
|
"width", (gdouble) allocation.width - 60.0,
|
|
"clip_width", (gdouble) allocation.width - 60.0,
|
|
NULL);
|
|
|
|
e_canvas_item_move_absolute (tree->priv->info_text, 30, 30);
|
|
|
|
tree->priv->info_text_resize_id = g_signal_connect (
|
|
tree, "size_allocate",
|
|
G_CALLBACK (tree_size_allocate), tree);
|
|
}
|
|
} else
|
|
gnome_canvas_item_set (tree->priv->info_text, "text", info_message, NULL);
|
|
}
|
|
|
|
void
|
|
e_tree_freeze_state_change (ETree *tree)
|
|
{
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
|
|
tree->priv->state_change_freeze++;
|
|
if (tree->priv->state_change_freeze == 1)
|
|
tree->priv->state_changed = FALSE;
|
|
|
|
g_return_if_fail (tree->priv->state_change_freeze != 0);
|
|
}
|
|
|
|
void
|
|
e_tree_thaw_state_change (ETree *tree)
|
|
{
|
|
g_return_if_fail (E_IS_TREE (tree));
|
|
g_return_if_fail (tree->priv->state_change_freeze != 0);
|
|
|
|
tree->priv->state_change_freeze--;
|
|
if (tree->priv->state_change_freeze == 0 && tree->priv->state_changed) {
|
|
tree->priv->state_changed = FALSE;
|
|
e_tree_state_change (tree);
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
e_tree_is_editing (ETree *tree)
|
|
{
|
|
g_return_val_if_fail (E_IS_TREE (tree), FALSE);
|
|
|
|
return tree->priv->item && e_table_item_is_editing (E_TABLE_ITEM (tree->priv->item));
|
|
}
|