diff options
Diffstat (limited to 'widgets/table/e-tree.c')
| -rw-r--r-- | widgets/table/e-tree.c | 3014 |
1 files changed, 0 insertions, 3014 deletions
diff --git a/widgets/table/e-tree.c b/widgets/table/e-tree.c deleted file mode 100644 index d007be9c19..0000000000 --- a/widgets/table/e-tree.c +++ /dev/null @@ -1,3014 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-tree.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <stdio.h> -#include <gdk/gdkkeysyms.h> -#include <gtk/gtksignal.h> -#include <libgnomeui/gnome-canvas-rect-ellipse.h> - -#include "gal/util/e-i18n.h" -#include <gal/util/e-util.h> -#include <gal/widgets/e-canvas.h> - -#include <gal/e-table/e-table-column-specification.h> -#include <gal/e-table/e-table-header-item.h> -#include <gal/e-table/e-table-header.h> -#include <gal/e-table/e-table-item.h> -#include <gal/e-table/e-table-sort-info.h> -#include <gal/e-table/e-table-utils.h> - -#ifdef E_TREE_USE_TREE_SELECTION -#include <gal/e-table/e-tree-selection-model.h> -#else -#include <gal/e-table/e-table-selection-model.h> -#endif - -#include <gal/e-table/e-tree-sorted.h> -#include <gal/e-table/e-tree-table-adapter.h> - -#include "e-tree.h" - -#define COLUMN_HEADER_HEIGHT 16 - -#define PARENT_TYPE gtk_table_get_type () - -static GtkObjectClass *parent_class; - -#define d(x) - -#if d(!)0 -#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x)), g_print ("%s: e_table_item_leave_edit\n", __FUNCTION__)) -#else -#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x))) -#endif - -enum { - CURSOR_CHANGE, - CURSOR_ACTIVATED, - SELECTION_CHANGE, - DOUBLE_CLICK, - RIGHT_CLICK, - CLICK, - KEY_PRESS, - START_DRAG, - STATE_CHANGE, - - TREE_DRAG_BEGIN, - TREE_DRAG_END, - TREE_DRAG_DATA_GET, - TREE_DRAG_DATA_DELETE, - - TREE_DRAG_LEAVE, - TREE_DRAG_MOTION, - TREE_DRAG_DROP, - TREE_DRAG_DATA_RECEIVED, - - LAST_SIGNAL -}; - -enum { - ARG_0, - ARG_LENGTH_THRESHOLD, - ARG_HORIZONTAL_DRAW_GRID, - ARG_VERTICAL_DRAW_GRID, - ARG_DRAW_FOCUS, - ARG_ETTA, - ARG_UNIFORM_ROW_HEIGHT, -}; - -enum { - ET_SCROLL_UP = 1 << 0, - ET_SCROLL_DOWN = 1 << 1, - ET_SCROLL_LEFT = 1 << 2, - ET_SCROLL_RIGHT = 1 << 3 -}; - -struct ETreePriv { - ETreeModel *model; - ETreeSorted *sorted; - ETreeTableAdapter *etta; - - ETableHeader *full_header, *header; - - guint structure_change_id, expansion_change_id; - - ETableSortInfo *sort_info; - ESorter *sorter; - - guint sort_info_change_id, group_info_change_id; - - ESelectionModel *selection; - ETableSpecification *spec; - - int reflow_idle_id; - int scroll_idle_id; - int hover_idle_id; - - int table_model_change_id; - int table_row_change_id; - int table_cell_change_id; - int table_rows_inserted_id; - int table_rows_deleted_id; - - GnomeCanvas *header_canvas, *table_canvas; - - GnomeCanvasItem *header_item, *root; - - GnomeCanvasItem *white_item; - GnomeCanvasItem *item; - - gint length_threshold; - - /* - * Configuration settings - */ - guint alternating_row_colors : 1; - guint horizontal_draw_grid : 1; - guint vertical_draw_grid : 1; - guint draw_focus : 1; - guint row_selection_active : 1; - - guint horizontal_scrolling : 1; - - guint scroll_direction : 4; - - guint do_drag : 1; - - guint uniform_row_height : 1; - - ECursorMode cursor_mode; - - int drop_row; - ETreePath drop_path; - int drop_col; - - GnomeCanvasItem *drop_highlight; - int last_drop_x; - int last_drop_y; - int last_drop_time; - GdkDragContext *last_drop_context; - - int hover_x; - int hover_y; - - int drag_row; - ETreePath drag_path; - int drag_col; - ETreeDragSourceSite *site; - - GList *expanded_list; -}; - -static gint et_signals [LAST_SIGNAL] = { 0, }; - -static void et_grab_focus (GtkWidget *widget); - -static void et_drag_begin (GtkWidget *widget, - GdkDragContext *context, - ETree *et); -static void et_drag_end (GtkWidget *widget, - GdkDragContext *context, - ETree *et); -static void et_drag_data_get(GtkWidget *widget, - GdkDragContext *context, - GtkSelectionData *selection_data, - guint info, - guint time, - ETree *et); -static void et_drag_data_delete(GtkWidget *widget, - GdkDragContext *context, - ETree *et); - -static void et_drag_leave(GtkWidget *widget, - GdkDragContext *context, - guint time, - ETree *et); -static gboolean et_drag_motion(GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - ETree *et); -static gboolean et_drag_drop(GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - ETree *et); -static void et_drag_data_received(GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - GtkSelectionData *selection_data, - guint info, - guint time, - ETree *et); - -static gint et_focus (GtkContainer *container, GtkDirectionType direction); - -static void scroll_off (ETree *et); -static void scroll_on (ETree *et, guint scroll_direction); -static void hover_off (ETree *et); -static void hover_on (ETree *et, int x, int y); - -static void -et_disconnect_from_etta (ETree *et) -{ - if (et->priv->table_model_change_id != 0) - gtk_signal_disconnect (GTK_OBJECT (et->priv->etta), - et->priv->table_model_change_id); - if (et->priv->table_row_change_id != 0) - gtk_signal_disconnect (GTK_OBJECT (et->priv->etta), - et->priv->table_row_change_id); - if (et->priv->table_cell_change_id != 0) - gtk_signal_disconnect (GTK_OBJECT (et->priv->etta), - et->priv->table_cell_change_id); - if (et->priv->table_rows_inserted_id != 0) - gtk_signal_disconnect (GTK_OBJECT (et->priv->etta), - et->priv->table_rows_inserted_id); - if (et->priv->table_rows_deleted_id != 0) - gtk_signal_disconnect (GTK_OBJECT (et->priv->etta), - et->priv->table_rows_deleted_id); - - et->priv->table_model_change_id = 0; - et->priv->table_row_change_id = 0; - et->priv->table_cell_change_id = 0; - et->priv->table_rows_inserted_id = 0; - et->priv->table_rows_deleted_id = 0; -} - -static void -e_tree_state_change (ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [STATE_CHANGE]); -} - -static void -change_trigger (GtkObject *object, ETree *et) -{ - e_tree_state_change (et); -} - -static void -disconnect_header (ETree *e_tree) -{ - if (e_tree->priv->header == NULL) - return; - - if (e_tree->priv->structure_change_id) - gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->header), - e_tree->priv->structure_change_id); - if (e_tree->priv->expansion_change_id) - gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->header), - e_tree->priv->expansion_change_id); - if (e_tree->priv->sort_info) { - if (e_tree->priv->sort_info_change_id) - gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->sort_info), - e_tree->priv->sort_info_change_id); - if (e_tree->priv->group_info_change_id) - gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->sort_info), - e_tree->priv->group_info_change_id); - - gtk_object_unref(GTK_OBJECT(e_tree->priv->sort_info)); - } - gtk_object_unref(GTK_OBJECT(e_tree->priv->header)); - e_tree->priv->header = NULL; - e_tree->priv->sort_info = NULL; -} - -static void -connect_header (ETree *e_tree, ETableState *state) -{ - if (e_tree->priv->header != NULL) - disconnect_header (e_tree); - - e_tree->priv->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->priv->full_header, state); - - e_tree->priv->structure_change_id = - gtk_signal_connect (GTK_OBJECT (e_tree->priv->header), "structure_change", - change_trigger, e_tree); - e_tree->priv->expansion_change_id = - gtk_signal_connect (GTK_OBJECT (e_tree->priv->header), "expansion_change", - change_trigger, e_tree); - - if (state->sort_info) { - e_tree->priv->sort_info = e_table_sort_info_duplicate(state->sort_info); - e_table_sort_info_set_can_group (e_tree->priv->sort_info, FALSE); - e_tree->priv->sort_info_change_id = - gtk_signal_connect (GTK_OBJECT (e_tree->priv->sort_info), "sort_info_changed", - change_trigger, e_tree); - e_tree->priv->group_info_change_id = - gtk_signal_connect (GTK_OBJECT (e_tree->priv->sort_info), "group_info_changed", - change_trigger, e_tree); - } else - e_tree->priv->sort_info = NULL; - - gtk_object_set(GTK_OBJECT(e_tree->priv->header), - "sort_info", e_tree->priv->sort_info, - NULL); -} - -static void -et_destroy (GtkObject *object) -{ - ETree *et = E_TREE (object); - - if (et->priv->reflow_idle_id) - g_source_remove(et->priv->reflow_idle_id); - et->priv->reflow_idle_id = 0; - - scroll_off (et); - hover_off (et); - e_free_string_list (et->priv->expanded_list); - - et_disconnect_from_etta (et); - - gtk_object_unref (GTK_OBJECT (et->priv->etta)); - gtk_object_unref (GTK_OBJECT (et->priv->model)); - gtk_object_unref (GTK_OBJECT (et->priv->sorted)); - gtk_object_unref (GTK_OBJECT (et->priv->full_header)); - disconnect_header (et); - gtk_object_unref (GTK_OBJECT (et->priv->selection)); - if (et->priv->spec) - gtk_object_unref (GTK_OBJECT (et->priv->spec)); - - if (et->priv->sorter) - gtk_object_unref (GTK_OBJECT (et->priv->sorter)); - - if (et->priv->header_canvas) - gtk_widget_destroy (GTK_WIDGET (et->priv->header_canvas)); - - if (et->priv->site) - e_tree_drag_source_unset (et); - - gtk_widget_destroy (GTK_WIDGET (et->priv->table_canvas)); - - g_free(et->priv); - et->priv = NULL; - - (*parent_class->destroy)(object); -} - -static void -et_unrealize (GtkWidget *widget) -{ - scroll_off (E_TREE (widget)); - hover_off (E_TREE (widget)); - - if (GTK_WIDGET_CLASS (parent_class)->unrealize) - GTK_WIDGET_CLASS (parent_class)->unrealize (widget); -} - -static void -e_tree_init (GtkObject *object) -{ - ETree *e_tree = E_TREE (object); - GtkTable *gtk_table = GTK_TABLE (object); - - GTK_WIDGET_SET_FLAGS (e_tree, GTK_CAN_FOCUS); - - gtk_table->homogeneous = FALSE; - - e_tree->priv = g_new(ETreePriv, 1); - - e_tree->priv->model = NULL; - e_tree->priv->sorted = NULL; - e_tree->priv->etta = NULL; - - e_tree->priv->full_header = NULL; - e_tree->priv->header = NULL; - - e_tree->priv->structure_change_id = 0; - e_tree->priv->expansion_change_id = 0; - e_tree->priv->sort_info_change_id = 0; - e_tree->priv->group_info_change_id = 0; - - e_tree->priv->sort_info = NULL; - e_tree->priv->sorter = NULL; - e_tree->priv->reflow_idle_id = 0; - e_tree->priv->scroll_idle_id = 0; - e_tree->priv->hover_idle_id = 0; - - e_tree->priv->alternating_row_colors = 1; - e_tree->priv->horizontal_draw_grid = 1; - e_tree->priv->vertical_draw_grid = 1; - e_tree->priv->draw_focus = 1; - e_tree->priv->cursor_mode = E_CURSOR_SIMPLE; - e_tree->priv->length_threshold = 200; - e_tree->priv->uniform_row_height = FALSE; - - e_tree->priv->row_selection_active = FALSE; - e_tree->priv->horizontal_scrolling = FALSE; - - e_tree->priv->drop_row = -1; - e_tree->priv->drop_path = NULL; - e_tree->priv->drop_col = -1; - e_tree->priv->drop_highlight = NULL; - - e_tree->priv->last_drop_x = 0; - e_tree->priv->last_drop_y = 0; - e_tree->priv->last_drop_time = 0; - e_tree->priv->last_drop_context = NULL; - - e_tree->priv->hover_x = 0; - e_tree->priv->hover_y = 0; - - e_tree->priv->drag_row = -1; - e_tree->priv->drag_path = NULL; - e_tree->priv->drag_col = -1; - - e_tree->priv->expanded_list = NULL; - - e_tree->priv->site = NULL; - e_tree->priv->do_drag = FALSE; - -#ifdef E_TREE_USE_TREE_SELECTION - e_tree->priv->selection = E_SELECTION_MODEL(e_tree_selection_model_new()); -#else - e_tree->priv->selection = E_SELECTION_MODEL(e_table_selection_model_new()); -#endif - e_tree->priv->spec = NULL; - - e_tree->priv->header_canvas = NULL; - e_tree->priv->table_canvas = NULL; - - e_tree->priv->header_item = NULL; - e_tree->priv->root = NULL; - - e_tree->priv->white_item = NULL; - e_tree->priv->item = NULL; -} - -/* Grab_focus handler for the ETree */ -static void -et_grab_focus (GtkWidget *widget) -{ - ETree *e_tree; - - e_tree = E_TREE (widget); - - gtk_widget_grab_focus (GTK_WIDGET (e_tree->priv->table_canvas)); -} - -/* Focus handler for the ETree */ -static gint -et_focus (GtkContainer *container, GtkDirectionType direction) -{ - ETree *e_tree; - - e_tree = E_TREE (container); - - if (container->focus_child) { - gtk_container_set_focus_child (container, NULL); - return FALSE; - } - - return gtk_container_focus (GTK_CONTAINER (e_tree->priv->table_canvas), direction); -} - -static void -set_header_canvas_width (ETree *e_tree) -{ - double oldwidth, oldheight, width; - - if (!(e_tree->priv->header_item && e_tree->priv->header_canvas && e_tree->priv->table_canvas)) - return; - - gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->priv->table_canvas), - NULL, NULL, &width, NULL); - gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->priv->header_canvas), - NULL, NULL, &oldwidth, &oldheight); - - if (oldwidth != width || - oldheight != E_TABLE_HEADER_ITEM (e_tree->priv->header_item)->height - 1) - gnome_canvas_set_scroll_region ( - GNOME_CANVAS (e_tree->priv->header_canvas), - 0, 0, width, /* COLUMN_HEADER_HEIGHT - 1 */ - E_TABLE_HEADER_ITEM (e_tree->priv->header_item)->height - 1); - -} - -static void -header_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, ETree *e_tree) -{ - set_header_canvas_width (e_tree); - - /* 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 (GTK_WIDGET (e_tree->priv->header_canvas)->allocation.height != - E_TABLE_HEADER_ITEM (e_tree->priv->header_item)->height) - gtk_widget_set_usize (GTK_WIDGET (e_tree->priv->header_canvas), -1, - E_TABLE_HEADER_ITEM (e_tree->priv->header_item)->height); -} - -static void -e_tree_setup_header (ETree *e_tree) -{ - char *pointer; - e_tree->priv->header_canvas = GNOME_CANVAS (e_canvas_new ()); - GTK_WIDGET_UNSET_FLAGS (e_tree->priv->header_canvas, GTK_CAN_FOCUS); - - gtk_widget_show (GTK_WIDGET (e_tree->priv->header_canvas)); - - pointer = g_strdup_printf("%p", e_tree); - - e_tree->priv->header_item = gnome_canvas_item_new ( - gnome_canvas_root (e_tree->priv->header_canvas), - e_table_header_item_get_type (), - "ETableHeader", e_tree->priv->header, - "full_header", e_tree->priv->full_header, - "sort_info", e_tree->priv->sort_info, - "dnd_code", pointer, - "tree", e_tree, - NULL); - - g_free(pointer); - - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->header_canvas), "size_allocate", - GTK_SIGNAL_FUNC (header_canvas_size_allocate), e_tree); - - gtk_widget_set_usize (GTK_WIDGET (e_tree->priv->header_canvas), -1, - E_TABLE_HEADER_ITEM (e_tree->priv->header_item)->height); -} - -static gboolean -tree_canvas_reflow_idle (ETree *e_tree) -{ - gdouble height, width; - gdouble item_height; - gdouble oldheight, oldwidth; - GtkAllocation *alloc = &(GTK_WIDGET (e_tree->priv->table_canvas)->allocation); - - gtk_object_get (GTK_OBJECT (e_tree->priv->item), - "height", &height, - "width", &width, - NULL); - item_height = height; - height = MAX ((int)height, alloc->height); - width = MAX((int)width, alloc->width); - /* I have no idea why this needs to be -1, but it works. */ - gnome_canvas_get_scroll_region (GNOME_CANVAS (e_tree->priv->table_canvas), - NULL, NULL, &oldwidth, &oldheight); - - if (oldwidth != width - 1 || - oldheight != height - 1) { - gnome_canvas_set_scroll_region (GNOME_CANVAS (e_tree->priv->table_canvas), - 0, 0, width - 1, height - 1); - set_header_canvas_width (e_tree); - } - gtk_object_set (GTK_OBJECT (e_tree->priv->white_item), - "y1", item_height, - "x2", width, - "y2", height, - NULL); - e_tree->priv->reflow_idle_id = 0; - return FALSE; -} - -static void -tree_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, - ETree *e_tree) -{ - gdouble width; - gdouble height; - gdouble item_height; - - width = alloc->width; - gtk_object_get (GTK_OBJECT (e_tree->priv->item), - "height", &height, - NULL); - item_height = height; - height = MAX ((int)height, alloc->height); - - gtk_object_set (GTK_OBJECT (e_tree->priv->item), - "width", width, - NULL); - gtk_object_set (GTK_OBJECT (e_tree->priv->header), - "width", width, - NULL); - if (e_tree->priv->reflow_idle_id) - g_source_remove(e_tree->priv->reflow_idle_id); - tree_canvas_reflow_idle(e_tree); -} - -static void -tree_canvas_reflow (GnomeCanvas *canvas, ETree *e_tree) -{ - if (!e_tree->priv->reflow_idle_id) - e_tree->priv->reflow_idle_id = g_idle_add_full (400, (GSourceFunc) tree_canvas_reflow_idle, e_tree, NULL); -} - -static void -item_cursor_change (ETableItem *eti, int row, ETree *et) -{ - ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [CURSOR_CHANGE], - row, path); -} - -static void -item_cursor_activated (ETableItem *eti, int row, ETree *et) -{ - ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - if (path) - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [CURSOR_ACTIVATED], - row, path); - d(g_print("%s: Emitted CURSOR_ACTIVATED signal on row: %d and path: 0x%p\n", __FUNCTION__, row, path)); -} - -static void -item_double_click (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et) -{ - ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [DOUBLE_CLICK], - row, path, col, event); -} - -static gint -item_right_click (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et) -{ - int return_val = 0; - ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [RIGHT_CLICK], - row, path, col, event, &return_val); - return return_val; -} - -static gint -item_click (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et) -{ - int return_val = 0; - ETreePath path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [CLICK], - row, path, col, event, &return_val); - return return_val; -} - -static gint -item_key_press (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et) -{ - int return_val = 0; - GdkEventKey *key = (GdkEventKey *) event; - ETreePath path; - int y, row_local, col_local; - GtkAdjustment *vadj; - - switch (key->keyval) { - case GDK_Page_Down: - case GDK_KP_Page_Down: - vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->priv->table_canvas)); - y = CLAMP(vadj->value + (2 * vadj->page_size - 50), 0, vadj->upper); - y -= vadj->value; - e_tree_get_cell_at (et, 30, y, &row_local, &col_local); - - if (row_local == -1) - row_local = e_table_model_row_count (E_TABLE_MODEL(et->priv->etta)) - 1; - - row_local = e_tree_view_to_model_row (et, row_local); - col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->priv->selection)); - e_selection_model_select_as_key_press (E_SELECTION_MODEL (et->priv->selection), row_local, col_local, key->state); - - return_val = 1; - break; - case GDK_Page_Up: - case GDK_KP_Page_Up: - vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->priv->table_canvas)); - y = CLAMP(vadj->value - (vadj->page_size - 50), 0, vadj->upper); - y -= vadj->value; - e_tree_get_cell_at (et, 30, y, &row_local, &col_local); - - if (row_local == -1) - row_local = e_table_model_row_count (E_TABLE_MODEL(et->priv->etta)) - 1; - - row_local = e_tree_view_to_model_row (et, row_local); - col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->priv->selection)); - e_selection_model_select_as_key_press (E_SELECTION_MODEL (et->priv->selection), row_local, col_local, key->state); - - return_val = 1; - break; - case '=': - case GDK_Right: - case GDK_KP_Right: - if (row != -1) { - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - if (path) - e_tree_table_adapter_node_set_expanded (et->priv->etta, path, TRUE); - } - return_val = 1; - break; - case '-': - case GDK_Left: - case GDK_KP_Left: - if (row != -1) { - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - if (path) - e_tree_table_adapter_node_set_expanded (et->priv->etta, path, FALSE); - } - return_val = 1; - break; - default: - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [KEY_PRESS], - row, path, col, event, &return_val); - break; - } - return return_val; -} - -static gint -item_start_drag (ETableItem *eti, int row, int col, GdkEvent *event, ETree *et) -{ - ETreePath path; - gint return_val = 0; - - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - - gtk_signal_emit (GTK_OBJECT (et), - et_signals [START_DRAG], - row, path, col, event, &return_val); - - return return_val; -} - -static void -et_selection_model_selection_changed (ETableSelectionModel *etsm, ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [SELECTION_CHANGE]); -} - -static void -et_selection_model_selection_row_changed (ETableSelectionModel *etsm, int row, ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [SELECTION_CHANGE]); -} - -static void -et_build_item (ETree *et) -{ - et->priv->item = gnome_canvas_item_new(GNOME_CANVAS_GROUP (gnome_canvas_root(et->priv->table_canvas)), - e_table_item_get_type(), - "ETableHeader", et->priv->header, - "ETableModel", et->priv->etta, - "selection_model", et->priv->selection, - "alternating_row_colors", et->priv->alternating_row_colors, - "horizontal_draw_grid", et->priv->horizontal_draw_grid, - "vertical_draw_grid", et->priv->vertical_draw_grid, - "drawfocus", et->priv->draw_focus, - "cursor_mode", et->priv->cursor_mode, - "length_threshold", et->priv->length_threshold, - "uniform_row_height", et->priv->uniform_row_height, - NULL); - - gtk_signal_connect (GTK_OBJECT (et->priv->item), "cursor_change", - GTK_SIGNAL_FUNC (item_cursor_change), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "cursor_activated", - GTK_SIGNAL_FUNC (item_cursor_activated), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "double_click", - GTK_SIGNAL_FUNC (item_double_click), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "right_click", - GTK_SIGNAL_FUNC (item_right_click), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "click", - GTK_SIGNAL_FUNC (item_click), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "key_press", - GTK_SIGNAL_FUNC (item_key_press), et); - gtk_signal_connect (GTK_OBJECT (et->priv->item), "start_drag", - GTK_SIGNAL_FUNC (item_start_drag), et); -} - -static void -et_canvas_realize (GtkWidget *canvas, ETree *e_tree) -{ - gnome_canvas_item_set( - e_tree->priv->white_item, - "fill_color_gdk", >K_WIDGET(e_tree->priv->table_canvas)->style->base[GTK_STATE_NORMAL], - NULL); -} - -static gint -et_canvas_root_event (GnomeCanvasItem *root, GdkEvent *event, ETree *e_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(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 gint -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_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 *e_tree) -{ - e_tree->priv->table_canvas = GNOME_CANVAS (e_canvas_new ()); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "size_allocate", - GTK_SIGNAL_FUNC (tree_canvas_size_allocate), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "focus_in_event", - GTK_SIGNAL_FUNC (table_canvas_focus_event_cb), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "focus_out_event", - GTK_SIGNAL_FUNC (table_canvas_focus_event_cb), e_tree); - - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "drag_begin", - GTK_SIGNAL_FUNC (et_drag_begin), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "drag_end", - GTK_SIGNAL_FUNC (et_drag_end), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "drag_data_get", - GTK_SIGNAL_FUNC (et_drag_data_get), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree->priv->table_canvas), "drag_data_delete", - GTK_SIGNAL_FUNC (et_drag_data_delete), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree), "drag_motion", - GTK_SIGNAL_FUNC (et_drag_motion), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree), "drag_leave", - GTK_SIGNAL_FUNC (et_drag_leave), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree), "drag_drop", - GTK_SIGNAL_FUNC (et_drag_drop), e_tree); - gtk_signal_connect ( - GTK_OBJECT (e_tree), "drag_data_received", - GTK_SIGNAL_FUNC (et_drag_data_received), e_tree); - - gtk_signal_connect (GTK_OBJECT(e_tree->priv->table_canvas), "reflow", - GTK_SIGNAL_FUNC (tree_canvas_reflow), e_tree); - - gtk_widget_show (GTK_WIDGET (e_tree->priv->table_canvas)); - - e_tree->priv->white_item = gnome_canvas_item_new( - gnome_canvas_root(e_tree->priv->table_canvas), - gnome_canvas_rect_get_type(), - "x1", (double) 0, - "y1", (double) 0, - "x2", (double) 100, - "y2", (double) 100, - "fill_color_gdk", >K_WIDGET(e_tree->priv->table_canvas)->style->base[GTK_STATE_NORMAL], - NULL); - - gtk_signal_connect ( - GTK_OBJECT(e_tree->priv->table_canvas), "realize", - GTK_SIGNAL_FUNC(et_canvas_realize), e_tree); - gtk_signal_connect ( - GTK_OBJECT(gnome_canvas_root (e_tree->priv->table_canvas)), "event", - GTK_SIGNAL_FUNC(et_canvas_root_event), e_tree); - - et_build_item(e_tree); -} - -void -e_tree_set_state_object(ETree *e_tree, ETableState *state) -{ - connect_header (e_tree, state); - - gtk_object_set (GTK_OBJECT (e_tree->priv->header), - "width", (double) (GTK_WIDGET(e_tree->priv->table_canvas)->allocation.width), - NULL); - - if (e_tree->priv->header_item) - gtk_object_set(GTK_OBJECT(e_tree->priv->header_item), - "ETableHeader", e_tree->priv->header, - "sort_info", e_tree->priv->sort_info, - NULL); - - if (e_tree->priv->item) - gtk_object_set(GTK_OBJECT(e_tree->priv->item), - "ETableHeader", e_tree->priv->header, - NULL); - - if (e_tree->priv->sorted) - gtk_object_set(GTK_OBJECT(e_tree->priv->sorted), - "sort_info", e_tree->priv->sort_info, - NULL); -} - -/** - * e_tree_set_state: - * @e_tree: #ETree object that will be modified - * @state_str: a string with the XML representation of the #ETableState. - * - * This routine sets the state (as described by #ETableState) of the - * #ETree object. - */ -void -e_tree_set_state (ETree *e_tree, - const gchar *state_str) -{ - ETableState *state; - - g_return_if_fail(e_tree != NULL); - g_return_if_fail(E_IS_TREE(e_tree)); - g_return_if_fail(state_str != NULL); - - state = e_table_state_new(); - e_table_state_load_from_string(state, state_str); - - if (state->col_count > 0) - e_tree_set_state_object(e_tree, state); - - gtk_object_unref(GTK_OBJECT(state)); -} - -/** - * e_tree_load_state: - * @e_tree: #ETree object that will be modified - * @filename: name of the file containing the state to be loaded into the #ETree - * - * An #ETableState will be loaded form the file pointed by @filename into the - * @e_tree object. - */ -void -e_tree_load_state (ETree *e_tree, - const gchar *filename) -{ - ETableState *state; - - g_return_if_fail(e_tree != NULL); - g_return_if_fail(E_IS_TREE(e_tree)); - g_return_if_fail(filename != NULL); - - state = e_table_state_new(); - e_table_state_load_from_file(state, filename); - - if (state->col_count > 0) - e_tree_set_state_object(e_tree, state); - - gtk_object_unref(GTK_OBJECT(state)); -} - -/** - * e_tree_get_state_object: - * @e_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 *e_tree) -{ - ETableState *state; - int full_col_count; - int i, j; - - state = e_table_state_new(); - state->sort_info = e_tree->priv->sort_info; - if (state->sort_info) - gtk_object_ref(GTK_OBJECT(state->sort_info)); - - state->col_count = e_table_header_count (e_tree->priv->header); - full_col_count = e_table_header_count (e_tree->priv->full_header); - state->columns = g_new(int, state->col_count); - state->expansions = g_new(double, state->col_count); - for (i = 0; i < state->col_count; i++) { - ETableCol *col = e_table_header_get_column(e_tree->priv->header, i); - state->columns[i] = -1; - for (j = 0; j < full_col_count; j++) { - if (col->col_idx == e_table_header_index(e_tree->priv->full_header, j)) { - state->columns[i] = j; - break; - } - } - state->expansions[i] = col->expansion; - } - - return state; -} - -/** - * e_tree_get_state: - * @e_tree: The #ETree to act on - * - * Builds a state object based on the current state and returns the - * string corresponding to that state. - * - * Return value: - * A string describing the current state of the #ETree. - **/ -gchar * -e_tree_get_state (ETree *e_tree) -{ - ETableState *state; - gchar *string; - - state = e_tree_get_state_object(e_tree); - string = e_table_state_save_to_string(state); - gtk_object_unref(GTK_OBJECT(state)); - return string; -} - -/** - * e_tree_save_state: - * @e_tree: The #ETree to act on - * @filename: name of the file to save to - * - * Saves the state of the @e_tree object into the file pointed by - * @filename. - **/ -void -e_tree_save_state (ETree *e_tree, - const gchar *filename) -{ - ETableState *state; - - state = e_tree_get_state_object(e_tree); - e_table_state_save_to_file(state, filename); - gtk_object_unref(GTK_OBJECT(state)); -} - -/** - * e_tree_get_spec: - * @e_tree: The #ETree to query - * - * Returns the specification object. - * - * Return value: - **/ -ETableSpecification * -e_tree_get_spec (ETree *e_tree) -{ - return e_tree->priv->spec; -} - -static void -et_table_model_changed (ETableModel *model, ETree *et) -{ - if (et->priv->horizontal_scrolling) - e_table_header_update_horizontal(et->priv->header); -} - -static void -et_table_row_changed (ETableModel *table_model, int row, ETree *et) -{ - et_table_model_changed (table_model, et); -} - -static void -et_table_cell_changed (ETableModel *table_model, int view_col, int row, ETree *et) -{ - et_table_model_changed (table_model, et); -} - -static void -et_table_rows_inserted (ETableModel *table_model, int row, int count, ETree *et) -{ - et_table_model_changed (table_model, et); -} - -static void -et_table_rows_deleted (ETableModel *table_model, int row, int count, ETree *et) -{ - et_table_model_changed (table_model, et); -} - -static void -et_connect_to_etta (ETree *et) -{ - et->priv->table_model_change_id = gtk_signal_connect (GTK_OBJECT (et->priv->etta), "model_changed", - GTK_SIGNAL_FUNC (et_table_model_changed), et); - - et->priv->table_row_change_id = gtk_signal_connect (GTK_OBJECT (et->priv->etta), "model_row_changed", - GTK_SIGNAL_FUNC (et_table_row_changed), et); - - et->priv->table_cell_change_id = gtk_signal_connect (GTK_OBJECT (et->priv->etta), "model_cell_changed", - GTK_SIGNAL_FUNC (et_table_cell_changed), et); - - et->priv->table_rows_inserted_id = gtk_signal_connect (GTK_OBJECT (et->priv->etta), "model_rows_inserted", - GTK_SIGNAL_FUNC (et_table_rows_inserted), et); - - et->priv->table_rows_deleted_id = gtk_signal_connect (GTK_OBJECT (et->priv->etta), "model_rows_deleted", - GTK_SIGNAL_FUNC (et_table_rows_deleted), et); - -} - -static ETree * -et_real_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete, - ETableSpecification *specification, ETableState *state) -{ - int row = 0; - - if (ete) - gtk_object_ref(GTK_OBJECT(ete)); - else - ete = e_table_extras_new(); - - e_tree->priv->alternating_row_colors = specification->alternating_row_colors; - e_tree->priv->horizontal_draw_grid = specification->horizontal_draw_grid; - e_tree->priv->vertical_draw_grid = specification->vertical_draw_grid; - e_tree->priv->draw_focus = specification->draw_focus; - e_tree->priv->cursor_mode = specification->cursor_mode; - e_tree->priv->full_header = e_table_spec_to_full_header(specification, ete); - - connect_header (e_tree, state); - e_tree->priv->horizontal_scrolling = specification->horizontal_scrolling; - - e_tree->priv->model = etm; - gtk_object_ref (GTK_OBJECT (etm)); - - e_tree->priv->sorted = e_tree_sorted_new(etm, e_tree->priv->full_header, e_tree->priv->sort_info); - - e_tree->priv->etta = E_TREE_TABLE_ADAPTER(e_tree_table_adapter_new(E_TREE_MODEL(e_tree->priv->sorted))); - - et_connect_to_etta (e_tree); - - gtk_widget_push_visual (gdk_rgb_get_visual ()); - gtk_widget_push_colormap (gdk_rgb_get_cmap ()); - - e_tree->priv->sorter = e_sorter_new(); - - gtk_object_set (GTK_OBJECT (e_tree->priv->selection), - "sorter", e_tree->priv->sorter, -#ifdef E_TREE_USE_TREE_SELECTION - "model", e_tree->priv->model, - "ets", e_tree->priv->sorted, - "etta", e_tree->priv->etta, -#else - "model", e_tree->priv->etta, -#endif - "selection_mode", specification->selection_mode, - "cursor_mode", specification->cursor_mode, - NULL); - - gtk_signal_connect(GTK_OBJECT(e_tree->priv->selection), "selection_changed", - GTK_SIGNAL_FUNC(et_selection_model_selection_changed), e_tree); - gtk_signal_connect(GTK_OBJECT(e_tree->priv->selection), "selection_row_changed", - GTK_SIGNAL_FUNC(et_selection_model_selection_row_changed), e_tree); - - if (!specification->no_headers) { - e_tree_setup_header (e_tree); - } - e_tree_setup_table (e_tree); - - gtk_layout_get_vadjustment (GTK_LAYOUT (e_tree->priv->table_canvas))->step_increment = 20; - gtk_adjustment_changed(gtk_layout_get_vadjustment (GTK_LAYOUT (e_tree->priv->table_canvas))); - gtk_layout_get_hadjustment (GTK_LAYOUT (e_tree->priv->table_canvas))->step_increment = 20; - gtk_adjustment_changed(gtk_layout_get_hadjustment (GTK_LAYOUT (e_tree->priv->table_canvas))); - - if (!specification->no_headers) { - /* - * The header - */ - gtk_table_attach (GTK_TABLE (e_tree), GTK_WIDGET (e_tree->priv->header_canvas), - 0, 1, 0 + row, 1 + row, - GTK_FILL | GTK_EXPAND, - GTK_FILL, 0, 0); - row ++; - } - gtk_table_attach (GTK_TABLE (e_tree), GTK_WIDGET (e_tree->priv->table_canvas), - 0, 1, 0 + row, 1 + row, - GTK_FILL | GTK_EXPAND, - GTK_FILL | GTK_EXPAND, - 0, 0); - - gtk_widget_pop_colormap (); - gtk_widget_pop_visual (); - - gtk_object_unref(GTK_OBJECT(ete)); - - return e_tree; -} - -/** - * e_tree_construct: - * @e_tree: The newly created #ETree object. - * @etm: The model for this table. - * @ete: An optional #ETableExtras. (%NULL is valid.) - * @spec_str: The spec. - * @state_str: An optional state. (%NULL is valid.) - * - * This is the internal implementation of e_tree_new() for use by - * subclasses or language bindings. See e_tree_new() for details. - * - * Return value: - * The passed in value @e_tree or %NULL if there's an error. - **/ -ETree * -e_tree_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete, - const char *spec_str, const char *state_str) -{ - ETableSpecification *specification; - ETableState *state; - - g_return_val_if_fail(e_tree != NULL, NULL); - g_return_val_if_fail(E_IS_TREE(e_tree), NULL); - g_return_val_if_fail(etm != NULL, NULL); - 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(spec_str != NULL, NULL); - - specification = e_table_specification_new(); - e_table_specification_load_from_string(specification, spec_str); - if (state_str) { - state = e_table_state_new(); - e_table_state_load_from_string(state, state_str); - if (state->col_count <= 0) { - gtk_object_unref(GTK_OBJECT(state)); - state = specification->state; - gtk_object_ref(GTK_OBJECT(state)); - } - } else { - state = specification->state; - gtk_object_ref(GTK_OBJECT(state)); - } - - e_tree = et_real_construct (e_tree, etm, ete, specification, state); - - e_tree->priv->spec = specification; - gtk_object_unref(GTK_OBJECT(state)); - - return e_tree; -} - -/** - * e_tree_construct_from_spec_file: - * @e_tree: The newly created #ETree object. - * @etm: The model for this tree - * @ete: An optional #ETableExtras (%NULL is valid.) - * @spec_fn: The filename of the spec - * @state_fn: An optional state file (%NULL is valid.) - * - * This is the internal implementation of e_tree_new_from_spec_file() - * for use by subclasses or language bindings. See - * e_tree_new_from_spec_file() for details. - * - * Return value: - * The passed in value @e_tree or %NULL if there's an error. - **/ -ETree * -e_tree_construct_from_spec_file (ETree *e_tree, ETreeModel *etm, ETableExtras *ete, - const char *spec_fn, const char *state_fn) -{ - ETableSpecification *specification; - ETableState *state; - - g_return_val_if_fail(e_tree != NULL, NULL); - g_return_val_if_fail(E_IS_TREE(e_tree), NULL); - g_return_val_if_fail(etm != NULL, NULL); - 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(spec_fn != NULL, NULL); - - specification = e_table_specification_new(); - if (!e_table_specification_load_from_file(specification, spec_fn)) { - gtk_object_unref(GTK_OBJECT(specification)); - return NULL; - } - - if (state_fn) { - state = e_table_state_new(); - if (!e_table_state_load_from_file(state, state_fn)) { - gtk_object_unref(GTK_OBJECT(state)); - state = specification->state; - gtk_object_ref(GTK_OBJECT(state)); - } - if (state->col_count <= 0) { - gtk_object_unref(GTK_OBJECT(state)); - state = specification->state; - gtk_object_ref(GTK_OBJECT(state)); - } - } else { - state = specification->state; - gtk_object_ref(GTK_OBJECT(state)); - } - - e_tree = et_real_construct (e_tree, etm, ete, specification, state); - - e_tree->priv->spec = specification; - gtk_object_unref(GTK_OBJECT(state)); - - return e_tree; -} - -/** - * e_tree_new: - * @etm: The model for this tree - * @ete: An optional #ETableExtras (%NULL is valid.) - * @spec: The spec - * @state: An optional state (%NULL is valid.) - * - * 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()). - * - * @spec 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. If @state is NULL, - * then the default state from the spec will be used. - * - * Return value: - * The newly created #ETree or %NULL if there's an error. - **/ -GtkWidget * -e_tree_new (ETreeModel *etm, ETableExtras *ete, const char *spec, const char *state) -{ - ETree *e_tree, *ret_val; - - g_return_val_if_fail(etm != NULL, NULL); - 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(spec != NULL, NULL); - - e_tree = gtk_type_new (e_tree_get_type ()); - - ret_val = e_tree_construct (e_tree, etm, ete, spec, state); - - if (ret_val == NULL) { - gtk_object_unref (GTK_OBJECT (e_tree)); - } - - return (GtkWidget *) ret_val; -} - -/** - * e_tree_new_from_spec_file: - * @etm: The model for this tree. - * @ete: An optional #ETableExtras. (%NULL is valid.) - * @spec_fn: The filename of the spec. - * @state_fn: An optional state file. (%NULL is valid.) - * - * This is very similar to e_tree_new(), except instead of passing in - * strings you pass in the file names of the spec and state to load. - * - * @spec_fn is the filename of the spec to load. If this file doesn't - * exist, e_tree_new_from_spec_file will return %NULL. - * - * @state_fn is the filename of the initial state to load. If this is - * %NULL or if the specified file doesn't exist, the default state - * from the spec file is used. - * - * Return value: - * The newly created #ETree or %NULL if there's an error. - **/ -GtkWidget * -e_tree_new_from_spec_file (ETreeModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn) -{ - ETree *e_tree, *ret_val; - - g_return_val_if_fail(etm != NULL, NULL); - 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(spec_fn != NULL, NULL); - - e_tree = gtk_type_new (e_tree_get_type ()); - - ret_val = e_tree_construct_from_spec_file (e_tree, etm, ete, spec_fn, state_fn); - - if (ret_val == NULL) { - gtk_object_unref (GTK_OBJECT (e_tree)); - } - - return (GtkWidget *) ret_val; -} - -void -e_tree_set_cursor (ETree *e_tree, ETreePath path) -{ -#ifndef E_TREE_USE_TREE_SELECTION - int row; -#endif - g_return_if_fail(e_tree != NULL); - g_return_if_fail(E_IS_TREE(e_tree)); - g_return_if_fail(path != NULL); - -#ifdef E_TREE_USE_TREE_SELECTION - e_tree_selection_model_select_single_path (E_TREE_SELECTION_MODEL(e_tree->priv->selection), path); - e_tree_selection_model_change_cursor (E_TREE_SELECTION_MODEL(e_tree->priv->selection), path); -#else - path = e_tree_sorted_model_to_view_path(e_tree->priv->sorted, path); - - row = e_tree_table_adapter_row_of_node(E_TREE_TABLE_ADAPTER(e_tree->priv->etta), path); - - if (row == -1) - return; - - gtk_object_set(GTK_OBJECT(e_tree->priv->selection), - "cursor_row", row, - NULL); -#endif -} - -ETreePath -e_tree_get_cursor (ETree *e_tree) -{ -#ifdef E_TREE_USE_TREE_SELECTION - return e_tree_selection_model_get_cursor (E_TREE_SELECTION_MODEL(e_tree->priv->selection)); -#else - int row; - ETreePath path; - g_return_val_if_fail(e_tree != NULL, NULL); - g_return_val_if_fail(E_IS_TREE(e_tree), NULL); - - gtk_object_get(GTK_OBJECT(e_tree->priv->selection), - "cursor_row", &row, - NULL); - if (row == -1) - return NULL; - path = e_tree_table_adapter_node_at_row(E_TREE_TABLE_ADAPTER(e_tree->priv->etta), row); - path = e_tree_sorted_view_to_model_path(e_tree->priv->sorted, path); - return path; -#endif -} - -void -e_tree_selected_row_foreach (ETree *e_tree, - EForeachFunc callback, - gpointer closure) -{ - g_return_if_fail(e_tree != NULL); - g_return_if_fail(E_IS_TREE(e_tree)); - - e_selection_model_foreach(e_tree->priv->selection, - callback, - closure); -} - -#ifdef E_TREE_USE_TREE_SELECTION -void -e_tree_selected_path_foreach (ETree *e_tree, - ETreeForeachFunc callback, - gpointer closure) -{ - g_return_if_fail(e_tree != NULL); - g_return_if_fail(E_IS_TREE(e_tree)); - - e_tree_selection_model_foreach(E_TREE_SELECTION_MODEL (e_tree->priv->selection), - callback, - closure); -} -#endif - -EPrintable * -e_tree_get_printable (ETree *e_tree) -{ - g_return_val_if_fail(e_tree != NULL, NULL); - g_return_val_if_fail(E_IS_TREE(e_tree), NULL); - - return e_table_item_get_printable(E_TABLE_ITEM(e_tree->priv->item)); -} - -static void -et_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ETree *etree = E_TREE (o); - - switch (arg_id){ - case ARG_ETTA: - if (etree->priv->item) { - GTK_VALUE_OBJECT (*arg) = GTK_OBJECT (etree->priv->etta); - } - break; - case ARG_UNIFORM_ROW_HEIGHT: - GTK_VALUE_BOOL (*arg) = etree->priv->uniform_row_height; - break; - - default: - break; - } -} - -typedef struct { - char *arg; - gboolean setting; -} bool_closure; - -static void -et_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ETree *etree = E_TREE (o); - - switch (arg_id){ - case ARG_LENGTH_THRESHOLD: - etree->priv->length_threshold = GTK_VALUE_INT (*arg); - if (etree->priv->item) { - gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->priv->item), - "length_threshold", GTK_VALUE_INT (*arg), - NULL); - } - break; - - case ARG_HORIZONTAL_DRAW_GRID: - etree->priv->horizontal_draw_grid = GTK_VALUE_BOOL (*arg); - if (etree->priv->item) { - gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->priv->item), - "horizontal_draw_grid", GTK_VALUE_BOOL (*arg), - NULL); - } - break; - - case ARG_VERTICAL_DRAW_GRID: - etree->priv->vertical_draw_grid = GTK_VALUE_BOOL (*arg); - if (etree->priv->item) { - gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->priv->item), - "vertical_draw_grid", GTK_VALUE_BOOL (*arg), - NULL); - } - break; - - case ARG_DRAW_FOCUS: - etree->priv->draw_focus = GTK_VALUE_BOOL (*arg); - if (etree->priv->item) { - gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->priv->item), - "draw_focus", GTK_VALUE_BOOL (*arg), - NULL); - } - break; - - case ARG_UNIFORM_ROW_HEIGHT: - etree->priv->uniform_row_height = GTK_VALUE_BOOL (*arg); - if (etree->priv->item) { - gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->priv->item), - "uniform_row_height", GTK_VALUE_BOOL (*arg), - NULL); - } - break; - } -} - -static void -set_scroll_adjustments (ETree *tree, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment) -{ - if (vadjustment != NULL) { - vadjustment->step_increment = 20; - gtk_adjustment_changed(vadjustment); - } - if (hadjustment != NULL) { - hadjustment->step_increment = 20; - gtk_adjustment_changed(hadjustment); - } - - gtk_layout_set_hadjustment (GTK_LAYOUT(tree->priv->table_canvas), - hadjustment); - gtk_layout_set_vadjustment (GTK_LAYOUT(tree->priv->table_canvas), - vadjustment); - - if (tree->priv->header_canvas != NULL) - gtk_layout_set_hadjustment (GTK_LAYOUT(tree->priv->header_canvas), - hadjustment); -} - -gint -e_tree_get_next_row (ETree *e_tree, - gint model_row) -{ - g_return_val_if_fail(e_tree != NULL, -1); - g_return_val_if_fail(E_IS_TREE(e_tree), -1); - - if (e_tree->priv->sorter) { - int i; - i = e_sorter_model_to_sorted(E_SORTER (e_tree->priv->sorter), model_row); - i++; - if (i < e_table_model_row_count(E_TABLE_MODEL(e_tree->priv->etta))) { - return e_sorter_sorted_to_model(E_SORTER (e_tree->priv->sorter), i); - } else - return -1; - } else - if (model_row < e_table_model_row_count(E_TABLE_MODEL(e_tree->priv->etta)) - 1) - return model_row + 1; - else - return -1; -} - -gint -e_tree_get_prev_row (ETree *e_tree, - gint model_row) -{ - g_return_val_if_fail(e_tree != NULL, -1); - g_return_val_if_fail(E_IS_TREE(e_tree), -1); - - if (e_tree->priv->sorter) { - int i; - i = e_sorter_model_to_sorted(E_SORTER (e_tree->priv->sorter), model_row); - i--; - if (i >= 0) - return e_sorter_sorted_to_model(E_SORTER (e_tree->priv->sorter), i); - else - return -1; - } else - return model_row - 1; -} - -gint -e_tree_model_to_view_row (ETree *e_tree, - gint model_row) -{ - g_return_val_if_fail(e_tree != NULL, -1); - g_return_val_if_fail(E_IS_TREE(e_tree), -1); - - if (e_tree->priv->sorter) - return e_sorter_model_to_sorted(E_SORTER (e_tree->priv->sorter), model_row); - else - return model_row; -} - -gint -e_tree_view_to_model_row (ETree *e_tree, - gint view_row) -{ - g_return_val_if_fail(e_tree != NULL, -1); - g_return_val_if_fail(E_IS_TREE(e_tree), -1); - - if (e_tree->priv->sorter) - return e_sorter_sorted_to_model (E_SORTER (e_tree->priv->sorter), view_row); - else - return view_row; -} - - -gboolean -e_tree_node_is_expanded (ETree *et, ETreePath path) -{ - path = e_tree_sorted_model_to_view_path(et->priv->sorted, path); - - g_return_val_if_fail(path, FALSE); - - return e_tree_table_adapter_node_is_expanded (et->priv->etta, path); -} - -void -e_tree_node_set_expanded (ETree *et, ETreePath path, gboolean expanded) -{ - g_return_if_fail (et != NULL); - g_return_if_fail (E_IS_TREE(et)); - - path = e_tree_sorted_model_to_view_path(et->priv->sorted, path); - - e_tree_table_adapter_node_set_expanded (et->priv->etta, path, expanded); -} - -void -e_tree_node_set_expanded_recurse (ETree *et, ETreePath path, gboolean expanded) -{ - g_return_if_fail (et != NULL); - g_return_if_fail (E_IS_TREE(et)); - - path = e_tree_sorted_model_to_view_path(et->priv->sorted, path); - - e_tree_table_adapter_node_set_expanded_recurse (et->priv->etta, path, expanded); -} - -void -e_tree_root_node_set_visible (ETree *et, gboolean visible) -{ - g_return_if_fail (et != NULL); - g_return_if_fail (E_IS_TREE(et)); - - e_tree_table_adapter_root_node_set_visible (et->priv->etta, visible); -} - -ETreePath -e_tree_node_at_row (ETree *et, int row) -{ - ETreePath path; - - path = e_tree_table_adapter_node_at_row (et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - - return path; -} - -int -e_tree_row_of_node (ETree *et, ETreePath path) -{ - path = e_tree_sorted_model_to_view_path(et->priv->sorted, path); - return e_tree_table_adapter_row_of_node (et->priv->etta, path); -} - -gboolean -e_tree_root_node_is_visible(ETree *et) -{ - return e_tree_table_adapter_root_node_is_visible (et->priv->etta); -} - -void -e_tree_show_node (ETree *et, ETreePath path) -{ - g_return_if_fail (et != NULL); - g_return_if_fail (E_IS_TREE(et)); - - path = e_tree_sorted_model_to_view_path(et->priv->sorted, path); - - e_tree_table_adapter_show_node (et->priv->etta, path); -} - -void -e_tree_save_expanded_state (ETree *et, char *filename) -{ - g_return_if_fail (et != NULL); - g_return_if_fail (E_IS_TREE(et)); - - e_tree_table_adapter_save_expanded_state (et->priv->etta, filename); -} - -void -e_tree_load_expanded_state (ETree *et, char *filename) -{ - e_tree_table_adapter_load_expanded_state (et->priv->etta, filename); -} - -gint -e_tree_row_count (ETree *et) -{ - return e_table_model_row_count (E_TABLE_MODEL(et->priv->etta)); -} - -GtkWidget * -e_tree_get_tooltip (ETree *et) -{ - return E_CANVAS(et->priv->table_canvas)->tooltip_window; -} - -typedef struct { - ETreePathFunc func; - gpointer data; - ETree *et; -} FindNextCallback; - -static gboolean -find_next_callback (ETreeModel *model, ETreePath path, gpointer data) -{ - FindNextCallback *cb_data = data; - ETree *et = cb_data->et; - - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - - return cb_data->func (et->priv->model, path, cb_data->data); -} - -gboolean -e_tree_find_next (ETree *et, ETreeFindNextParams params, ETreePathFunc func, gpointer data) -{ - ETreePath cursor; - ETreePath found; - FindNextCallback cb_data; - - cb_data.func = func; - cb_data.data = data; - cb_data.et = et; - - cursor = e_tree_get_cursor (et); - cursor = e_tree_sorted_model_to_view_path (et->priv->sorted, cursor); - - found = e_tree_model_node_find (E_TREE_MODEL (et->priv->sorted), cursor, NULL, params & E_TREE_FIND_NEXT_FORWARD, find_next_callback, &cb_data); - - if (found) { - e_tree_table_adapter_show_node (et->priv->etta, found); - cursor = e_tree_sorted_view_to_model_path (et->priv->sorted, found); - e_tree_set_cursor (et, cursor); - return TRUE; - } - - if (params & E_TREE_FIND_NEXT_WRAP) { - found = e_tree_model_node_find (E_TREE_MODEL (et->priv->sorted), NULL, cursor, params & E_TREE_FIND_NEXT_FORWARD, find_next_callback, &cb_data); - - if (found && found != cursor) { - e_tree_table_adapter_show_node (et->priv->etta, found); - cursor = e_tree_sorted_view_to_model_path (et->priv->sorted, found); - e_tree_set_cursor (et, cursor); - return TRUE; - } - } - - return FALSE; -} - -void -e_tree_right_click_up (ETree *et) -{ - e_selection_model_right_click_up(et->priv->selection); -} - -/** - * e_tree_get_model: - * @et: the ETree - * - * Returns the model upon which this ETree is based. - * - * Returns: the model - **/ -ETreeModel * -e_tree_get_model (ETree *et) -{ - g_return_val_if_fail (et != NULL, NULL); - g_return_val_if_fail (E_IS_TREE (et), NULL); - - return et->priv->model; -} - -/** - * e_tree_get_selection_model: - * @et: the ETree - * - * Returns the selection model of this ETree. - * - * Returns: the selection model - **/ -ESelectionModel * -e_tree_get_selection_model (ETree *et) -{ - g_return_val_if_fail (et != NULL, NULL); - g_return_val_if_fail (E_IS_TREE (et), NULL); - - return et->priv->selection; -} - - -struct _ETreeDragSourceSite -{ - GdkModifierType start_button_mask; - GtkTargetList *target_list; /* Targets for drag data */ - GdkDragAction actions; /* Possible actions */ - GdkColormap *colormap; /* Colormap for drag icon */ - GdkPixmap *pixmap; /* Icon for drag data */ - GdkBitmap *mask; - - /* 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 */ - gboolean dropped : 1; /* Set after we receive a drop */ - guint32 proxy_drop_time; /* Timestamp for proxied drop */ - gboolean 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. */ -/* Target */ - -void -e_tree_drag_get_data (ETree *tree, - int row, - int col, - GdkDragContext *context, - GdkAtom target, - guint32 time) -{ - ETreePath path; - g_return_if_fail(tree != NULL); - g_return_if_fail(E_IS_TREE(tree)); - - path = e_tree_table_adapter_node_at_row(tree->priv->etta, row); - path = e_tree_sorted_view_to_model_path(tree->priv->sorted, path); - - gtk_drag_get_data(GTK_WIDGET(tree), - context, - target, - time); - -} - -#if 0 -static void -e_tree_request_hightlight_redraw (ETree *tree) -{ - int row = tree->drop_highlight_row; - int col = tree->drop_highlight_col; - - if (row != -1) { - int x, y, width, height; - if (col == -1) { - e_tree_get_cell_geometry (tree, row, 0, &x, &y, &width, &height); - x = 0; - width = tree->allocation.width; - } else { - e_tree_get_cell_geometry (tree, row, col, &x, &y, &width, &height); - x += GTK_LAYOUT(tree->priv->table_canvas)->hadjustment->value; - } - y += GTK_LAYOUT(tree->priv->table_canvas)->vadjustment->value; - gnome_canvas_request_redraw (tree->priv->table_canvas, x, y, x + width - 1, y + height - 1); - } -} -#endif - -/** - * e_tree_drag_highlight: - * @tree: - * @row: - * @col: - * - * Set col to -1 to highlight the entire row. - * Set row to -1 to turn off the highlight. - */ -void -e_tree_drag_highlight (ETree *tree, - int row, - int col) -{ - g_return_if_fail(tree != NULL); - g_return_if_fail(E_IS_TREE(tree)); - - if (row != -1) { - int x, y, width, height; - if (col == -1) { - e_tree_get_cell_geometry (tree, row, 0, &x, &y, &width, &height); - x = 0; - width = GTK_WIDGET (tree->priv->table_canvas)->allocation.width; - } else { - e_tree_get_cell_geometry (tree, row, col, &x, &y, &width, &height); - x += GTK_LAYOUT(tree->priv->table_canvas)->hadjustment->value; - } - y += GTK_LAYOUT(tree->priv->table_canvas)->vadjustment->value; - - if (tree->priv->drop_highlight == NULL) { - tree->priv->drop_highlight = - gnome_canvas_item_new (gnome_canvas_root (tree->priv->table_canvas), - gnome_canvas_rect_get_type (), - "fill_color", NULL, - /* "outline_color", "black", - "width_pixels", 1,*/ - "outline_color_gdk", &(GTK_WIDGET (tree)->style->fg[GTK_STATE_NORMAL]), - NULL); - } - gnome_canvas_item_set (tree->priv->drop_highlight, - "x1", (double) x, - "x2", (double) x + width - 1, - "y1", (double) y, - "y2", (double) y + height - 1, - NULL); - } else { - gtk_object_destroy (GTK_OBJECT (tree->priv->drop_highlight)); - tree->priv->drop_highlight = NULL; - } -} - -void -e_tree_drag_unhighlight (ETree *tree) -{ - g_return_if_fail(tree != NULL); - g_return_if_fail(E_IS_TREE(tree)); - - if (tree->priv->drop_highlight) { - gtk_object_destroy (GTK_OBJECT (tree->priv->drop_highlight)); - tree->priv->drop_highlight = NULL; - } -} - -void e_tree_drag_dest_set (ETree *tree, - GtkDestDefaults flags, - const GtkTargetEntry *targets, - gint n_targets, - GdkDragAction actions) -{ - g_return_if_fail(tree != NULL); - g_return_if_fail(E_IS_TREE(tree)); - - gtk_drag_dest_set(GTK_WIDGET(tree), - flags, - targets, - n_targets, - actions); -} - -void e_tree_drag_dest_set_proxy (ETree *tree, - GdkWindow *proxy_window, - GdkDragProtocol protocol, - gboolean use_coordinates) -{ - g_return_if_fail(tree != NULL); - g_return_if_fail(E_IS_TREE(tree)); - - gtk_drag_dest_set_proxy(GTK_WIDGET(tree), - proxy_window, - protocol, - use_coordinates); -} - -/* - * There probably should be functions for setting the targets - * as a GtkTargetList - */ - -void -e_tree_drag_dest_unset (GtkWidget *widget) -{ - g_return_if_fail(widget != NULL); - g_return_if_fail(E_IS_TREE(widget)); - - gtk_drag_dest_unset(widget); -} - -/* Source side */ - -static gint -et_real_start_drag (ETree *tree, int row, ETreePath path, int 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->pixmap) - gtk_drag_set_icon_pixmap (context, - site->colormap, - site->pixmap, - site->mask, -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(tree != NULL); - 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 (tree != NULL); - g_return_if_fail (E_IS_TREE(tree)); - - site = tree->priv->site; - - if (site) { - 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, - int row, - int col, - GtkTargetList *targets, - GdkDragAction actions, - gint button, - GdkEvent *event) -{ - ETreePath path; - g_return_val_if_fail (tree != NULL, NULL); - g_return_val_if_fail (E_IS_TREE(tree), NULL); - - path = e_tree_table_adapter_node_at_row(tree->priv->etta, row); - path = e_tree_sorted_view_to_model_path(tree->priv->sorted, path); - - 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_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, - int x, int y, - int *row_return, int *col_return) -{ - g_return_if_fail (tree != NULL); - 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; - - x += GTK_LAYOUT(tree->priv->table_canvas)->hadjustment->value; - y += GTK_LAYOUT(tree->priv->table_canvas)->vadjustment->value; - 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, - int row, int col, - int *x_return, int *y_return, - int *width_return, int *height_return) -{ - g_return_if_fail (tree != NULL); - 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); - - if (x_return) - (*x_return) -= GTK_LAYOUT(tree->priv->table_canvas)->hadjustment->value; - if (y_return) - (*y_return) -= GTK_LAYOUT(tree->priv->table_canvas)->vadjustment->value; -} - -static void -et_drag_begin (GtkWidget *widget, - GdkDragContext *context, - ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_BEGIN], - et->priv->drag_row, - et->priv->drag_path, - et->priv->drag_col, - context); -} - -static void -et_drag_end (GtkWidget *widget, - GdkDragContext *context, - ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_END], - et->priv->drag_row, - et->priv->drag_path, - et->priv->drag_col, - context); -} - -static void -et_drag_data_get(GtkWidget *widget, - GdkDragContext *context, - GtkSelectionData *selection_data, - guint info, - guint time, - ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_DATA_GET], - et->priv->drag_row, - et->priv->drag_path, - et->priv->drag_col, - context, - selection_data, - info, - time); -} - -static void -et_drag_data_delete(GtkWidget *widget, - GdkDragContext *context, - ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_DATA_DELETE], - et->priv->drag_row, - et->priv->drag_path, - et->priv->drag_col, - context); -} - -static gboolean -do_drag_motion(ETree *et, - GdkDragContext *context, - gint x, - gint y, - guint time) -{ - gboolean ret_val = FALSE; - int row, col; - ETreePath path; - GtkWidget *widget; - - widget = GTK_WIDGET (et); - - x -= widget->allocation.x; - y -= widget->allocation.y; - e_tree_get_cell_at (et, - x, - y, - &row, - &col); - if (row != et->priv->drop_row && col != et->priv->drop_col) { - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_LEAVE], - et->priv->drop_row, - et->priv->drop_path, - et->priv->drop_col, - context, - time); - } - - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - - et->priv->drop_row = row; - et->priv->drop_path = path; - et->priv->drop_col = col; - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_MOTION], - et->priv->drop_row, - et->priv->drop_path, - et->priv->drop_col, - context, - x, - y, - time, - &ret_val); - - return ret_val; -} - -static gboolean -scroll_timeout (gpointer data) -{ - ETree *et = data; - int dx = 0, dy = 0; - GtkAdjustment *v, *h; - double vvalue, hvalue; - - if (et->priv->scroll_direction & ET_SCROLL_DOWN) - dy += 20; - if (et->priv->scroll_direction & ET_SCROLL_UP) - dy -= 20; - - if (et->priv->scroll_direction & ET_SCROLL_RIGHT) - dx += 20; - if (et->priv->scroll_direction & ET_SCROLL_LEFT) - dx -= 20; - - h = GTK_LAYOUT(et->priv->table_canvas)->hadjustment; - v = GTK_LAYOUT(et->priv->table_canvas)->vadjustment; - - hvalue = h->value; - vvalue = v->value; - - gtk_adjustment_set_value(h, CLAMP(h->value + dx, h->lower, h->upper - h->page_size)); - gtk_adjustment_set_value(v, CLAMP(v->value + dy, v->lower, v->upper - v->page_size)); - - if (h->value != hvalue || - v->value != vvalue) - do_drag_motion(et, - et->priv->last_drop_context, - et->priv->last_drop_x, - et->priv->last_drop_y, - et->priv->last_drop_time); - - - return TRUE; -} - -static void -scroll_on (ETree *et, guint scroll_direction) -{ - if (et->priv->scroll_idle_id == 0 || scroll_direction != et->priv->scroll_direction) { - if (et->priv->scroll_idle_id != 0) - g_source_remove (et->priv->scroll_idle_id); - et->priv->scroll_direction = scroll_direction; - et->priv->scroll_idle_id = g_timeout_add (100, scroll_timeout, et); - } -} - -static void -scroll_off (ETree *et) -{ - if (et->priv->scroll_idle_id) { - g_source_remove (et->priv->scroll_idle_id); - et->priv->scroll_idle_id = 0; - } -} - -static gboolean -hover_timeout (gpointer data) -{ - ETree *et = data; - GtkWidget *widget = data; - int x = et->priv->hover_x; - int y = et->priv->hover_y; - int row, col; - ETreePath path; - - x -= widget->allocation.x; - y -= widget->allocation.y; - e_tree_get_cell_at (et, - x, - y, - &row, - &col); - - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - if (path && e_tree_model_node_is_expandable (E_TREE_MODEL (et->priv->sorted), path)) { - if (!e_tree_table_adapter_node_is_expanded (et->priv->etta, path)) { - if (e_tree_model_has_save_id (E_TREE_MODEL (et->priv->sorted)) && e_tree_model_has_get_node_by_id (E_TREE_MODEL (et->priv->sorted))) - et->priv->expanded_list = g_list_prepend (et->priv->expanded_list, e_tree_model_get_save_id (E_TREE_MODEL (et->priv->sorted), path)); - e_tree_table_adapter_node_set_expanded (et->priv->etta, path, TRUE); - } - } - - return TRUE; -} - -static void -hover_on (ETree *et, int x, int y) -{ - et->priv->hover_x = x; - et->priv->hover_y = y; - if (et->priv->hover_idle_id != 0) - g_source_remove (et->priv->hover_idle_id); - et->priv->hover_idle_id = g_timeout_add (500, hover_timeout, et); -} - -static void -hover_off (ETree *et) -{ - if (et->priv->hover_idle_id) { - g_source_remove (et->priv->hover_idle_id); - et->priv->hover_idle_id = 0; - } -} - -static void -collapse_drag (ETree *et, 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 (E_TREE_MODEL (et->priv->sorted), drop); - } - - for (list = et->priv->expanded_list; list; list = list->next) { - char *save_id = list->data; - ETreePath path; - - path = e_tree_model_get_node_by_id (E_TREE_MODEL (et->priv->sorted), save_id); - if (path) { - ETreePath search; - gboolean found = FALSE; - - for (search = drop; search; search = e_tree_model_node_get_parent (E_TREE_MODEL (et->priv->sorted), search)) { - if (path == search) { - found = TRUE; - break; - } - } - - if (!found) - e_tree_table_adapter_node_set_expanded (et->priv->etta, path, FALSE); - } - g_free (save_id); - } - g_list_free (et->priv->expanded_list); - et->priv->expanded_list = NULL; -} - -static void -context_destroyed (gpointer data) -{ - ETree *et = data; - if (et->priv) { - et->priv->last_drop_x = 0; - et->priv->last_drop_y = 0; - et->priv->last_drop_time = 0; - et->priv->last_drop_context = NULL; - collapse_drag (et, NULL); - scroll_off (et); - hover_off (et); - } - gtk_object_unref (GTK_OBJECT (et)); -} - -static void -context_connect (ETree *et, GdkDragContext *context) -{ - if (g_dataset_get_data (context, "e-tree") == NULL) { - gtk_object_ref (GTK_OBJECT (et)); - g_dataset_set_data_full (context, "e-tree", et, context_destroyed); - } -} - -static void -et_drag_leave(GtkWidget *widget, - GdkDragContext *context, - guint time, - ETree *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_LEAVE], - et->priv->drop_row, - et->priv->drop_path, - et->priv->drop_col, - context, - time); - et->priv->drop_row = -1; - et->priv->drop_col = -1; - - scroll_off (et); - hover_off (et); -} - -static gboolean -et_drag_motion(GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - ETree *et) -{ - int ret_val; - guint direction = 0; - - et->priv->last_drop_x = x; - et->priv->last_drop_y = y; - et->priv->last_drop_time = time; - et->priv->last_drop_context = context; - context_connect (et, context); - - if (et->priv->hover_idle_id != 0) { - if (abs (et->priv->hover_x - x) > 3 || - abs (et->priv->hover_y - y) > 3) { - hover_on (et, x, y); - } - } else { - hover_on (et, x, y); - } - - ret_val = do_drag_motion (et, - context, - x, - y, - time); - - x -= widget->allocation.x; - y -= widget->allocation.y; - - if (y < 20) - direction |= ET_SCROLL_UP; - if (y > widget->allocation.height - 20) - direction |= ET_SCROLL_DOWN; - if (x < 20) - direction |= ET_SCROLL_LEFT; - if (x > widget->allocation.width - 20) - direction |= ET_SCROLL_RIGHT; - - if (direction != 0) - scroll_on (et, direction); - else - scroll_off (et); - - return ret_val; -} - -static gboolean -et_drag_drop(GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time, - ETree *et) -{ - gboolean ret_val = FALSE; - int row, col; - ETreePath path; - ETreePath sorted_path; - y -= widget->allocation.y; - x -= widget->allocation.x; - e_tree_get_cell_at(et, - x, - y, - &row, - &col); - sorted_path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, sorted_path); - - if (row != et->priv->drop_row && col != et->priv->drop_row) { - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_LEAVE], - et->priv->drop_row, - et->priv->drop_path, - et->priv->drop_col, - context, - time); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_MOTION], - row, - path, - col, - context, - x, - y, - time, - &ret_val); - } - et->priv->drop_row = row; - et->priv->drop_path = path; - et->priv->drop_col = col; - - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_DROP], - et->priv->drop_row, - et->priv->drop_path, - et->priv->drop_col, - context, - x, - y, - time, - &ret_val); - - et->priv->drop_row = -1; - et->priv->drop_path = NULL; - et->priv->drop_col = -1; - - collapse_drag (et, sorted_path); - - scroll_off (et); - 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 *et) -{ - int row, col; - ETreePath path; - y -= widget->allocation.y; - x -= widget->allocation.x; - e_tree_get_cell_at(et, - x, - y, - &row, - &col); - path = e_tree_table_adapter_node_at_row(et->priv->etta, row); - path = e_tree_sorted_view_to_model_path(et->priv->sorted, path); - gtk_signal_emit (GTK_OBJECT (et), - et_signals [TREE_DRAG_DATA_RECEIVED], - row, - path, - col, - context, - x, - y, - selection_data, - info, - time); -} - -static void -e_tree_class_init (ETreeClass *class) -{ - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - GtkContainerClass *container_class; - - object_class = (GtkObjectClass *) class; - widget_class = (GtkWidgetClass *) class; - container_class = (GtkContainerClass *) class; - - parent_class = gtk_type_class (PARENT_TYPE); - - object_class->destroy = et_destroy; - object_class->set_arg = et_set_arg; - object_class->get_arg = et_get_arg; - - widget_class->grab_focus = et_grab_focus; - widget_class->unrealize = et_unrealize; - - container_class->focus = et_focus; - - class->cursor_change = NULL; - class->cursor_activated = NULL; - class->selection_change = NULL; - class->double_click = NULL; - class->right_click = NULL; - class->click = NULL; - class->key_press = NULL; - class->start_drag = et_real_start_drag; - class->state_change = NULL; - - class->tree_drag_begin = NULL; - class->tree_drag_end = NULL; - class->tree_drag_data_get = NULL; - class->tree_drag_data_delete = NULL; - - class->tree_drag_leave = NULL; - class->tree_drag_motion = NULL; - class->tree_drag_drop = NULL; - class->tree_drag_data_received = NULL; - - et_signals [CURSOR_CHANGE] = - gtk_signal_new ("cursor_change", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, cursor_change), - gtk_marshal_NONE__INT_POINTER, - GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_POINTER); - - et_signals [CURSOR_ACTIVATED] = - gtk_signal_new ("cursor_activated", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, cursor_activated), - gtk_marshal_NONE__INT_POINTER, - GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_POINTER); - - et_signals [SELECTION_CHANGE] = - gtk_signal_new ("selection_change", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, selection_change), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - - et_signals [DOUBLE_CLICK] = - gtk_signal_new ("double_click", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, double_click), - e_marshal_NONE__INT_POINTER_INT_POINTER, - GTK_TYPE_NONE, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); - - et_signals [RIGHT_CLICK] = - gtk_signal_new ("right_click", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, right_click), - e_marshal_INT__INT_POINTER_INT_POINTER, - GTK_TYPE_INT, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); - - et_signals [CLICK] = - gtk_signal_new ("click", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, click), - e_marshal_INT__INT_POINTER_INT_POINTER, - GTK_TYPE_INT, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); - - et_signals [KEY_PRESS] = - gtk_signal_new ("key_press", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, key_press), - e_marshal_INT__INT_POINTER_INT_POINTER, - GTK_TYPE_INT, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); - - et_signals [START_DRAG] = - gtk_signal_new ("start_drag", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, start_drag), - e_marshal_NONE__INT_POINTER_INT_POINTER, - GTK_TYPE_NONE, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); - - et_signals [STATE_CHANGE] = - gtk_signal_new ("state_change", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, state_change), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - - et_signals[TREE_DRAG_BEGIN] = - gtk_signal_new ("tree_drag_begin", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_begin), - e_marshal_NONE__INT_POINTER_INT_POINTER, - GTK_TYPE_NONE, 4, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT); - et_signals[TREE_DRAG_END] = - gtk_signal_new ("tree_drag_end", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_end), - e_marshal_NONE__INT_POINTER_INT_POINTER, - GTK_TYPE_NONE, 4, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT); - et_signals[TREE_DRAG_DATA_GET] = - gtk_signal_new ("tree_drag_data_get", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_data_get), - e_marshal_NONE__INT_POINTER_INT_POINTER_POINTER_UINT_UINT, - GTK_TYPE_NONE, 7, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT, - GTK_TYPE_SELECTION_DATA, - GTK_TYPE_UINT, - GTK_TYPE_UINT); - et_signals[TREE_DRAG_DATA_DELETE] = - gtk_signal_new ("tree_drag_data_delete", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_data_delete), - e_marshal_NONE__INT_POINTER_INT_POINTER, - GTK_TYPE_NONE, 4, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT); - - et_signals[TREE_DRAG_LEAVE] = - gtk_signal_new ("tree_drag_leave", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_leave), - e_marshal_NONE__INT_POINTER_INT_POINTER_UINT, - GTK_TYPE_NONE, 5, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT, - GTK_TYPE_UINT); - et_signals[TREE_DRAG_MOTION] = - gtk_signal_new ("tree_drag_motion", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_motion), - e_marshal_BOOL__INT_POINTER_INT_POINTER_INT_INT_UINT, - GTK_TYPE_BOOL, 7, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT, - GTK_TYPE_INT, - GTK_TYPE_INT, - GTK_TYPE_UINT); - et_signals[TREE_DRAG_DROP] = - gtk_signal_new ("tree_drag_drop", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_drop), - e_marshal_BOOL__INT_POINTER_INT_POINTER_INT_INT_UINT, - GTK_TYPE_BOOL, 7, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT, - GTK_TYPE_INT, - GTK_TYPE_INT, - GTK_TYPE_UINT); - et_signals[TREE_DRAG_DATA_RECEIVED] = - gtk_signal_new ("tree_drag_data_received", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, tree_drag_data_received), - e_marshal_NONE__INT_POINTER_INT_POINTER_INT_INT_POINTER_UINT_UINT, - GTK_TYPE_NONE, 9, - GTK_TYPE_INT, - GTK_TYPE_POINTER, - GTK_TYPE_INT, - GTK_TYPE_GDK_DRAG_CONTEXT, - GTK_TYPE_INT, - GTK_TYPE_INT, - GTK_TYPE_SELECTION_DATA, - GTK_TYPE_UINT, - GTK_TYPE_UINT); - - E_OBJECT_CLASS_ADD_SIGNALS (object_class, et_signals, LAST_SIGNAL); - - class->set_scroll_adjustments = set_scroll_adjustments; - - widget_class->set_scroll_adjustments_signal = - gtk_signal_new ("set_scroll_adjustments", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeClass, set_scroll_adjustments), - gtk_marshal_NONE__POINTER_POINTER, - GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); - - gtk_object_add_arg_type ("ETree::length_threshold", GTK_TYPE_INT, - GTK_ARG_WRITABLE, ARG_LENGTH_THRESHOLD); - gtk_object_add_arg_type ("ETree::horizontal_draw_grid", GTK_TYPE_BOOL, - GTK_ARG_WRITABLE, ARG_HORIZONTAL_DRAW_GRID); - gtk_object_add_arg_type ("ETree::vertical_draw_grid", GTK_TYPE_BOOL, - GTK_ARG_WRITABLE, ARG_VERTICAL_DRAW_GRID); - gtk_object_add_arg_type ("ETree::draw_focus", GTK_TYPE_BOOL, - GTK_ARG_WRITABLE, ARG_DRAW_FOCUS); - gtk_object_add_arg_type ("ETree::ETreeTableAdapter", GTK_TYPE_OBJECT, - GTK_ARG_READABLE, ARG_ETTA); - gtk_object_add_arg_type ("ETree::uniform_row_height", GTK_TYPE_BOOL, - GTK_ARG_READWRITE, ARG_UNIFORM_ROW_HEIGHT); -} - -E_MAKE_TYPE(e_tree, "ETree", ETree, e_tree_class_init, e_tree_init, PARENT_TYPE); |