/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-tree.c: A graphical view of a tree.
*
* Author:
* Miguel de Icaza (miguel@ximian.com)
* Chris Lahey <clahey@ximian.com>
*
* Copyright 1999, 2000, 2001, Ximian, Inc
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include "gal/util/e-i18n.h"
#include <libgnomeui/gnome-canvas.h>
#include <gtk/gtksignal.h>
#include "gal/util/e-util.h"
#include "gal/widgets/e-canvas.h"
#include "e-tree.h"
#include "e-table-header-item.h"
#include "e-table-header-utils.h"
#include "e-table-subset.h"
#include "e-table-item.h"
#include "e-table-group.h"
#include "e-table-group-leaf.h"
#include "e-table-specification.h"
#include "e-table-state.h"
#include "e-table-column-specification.h"
#include "e-table-utils.h"
#define COLUMN_HEADER_HEIGHT 16
#define PARENT_TYPE gtk_table_get_type ()
static GtkObjectClass *parent_class;
enum {
CURSOR_CHANGE,
CURSOR_ACTIVATED,
SELECTION_CHANGE,
DOUBLE_CLICK,
RIGHT_CLICK,
CLICK,
KEY_PRESS,
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,
};
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 e_tree_drag_source_event_cb (GtkWidget *widget,
GdkEvent *event,
ETree *tree);
static gint et_focus (GtkContainer *container, GtkDirectionType direction);
static void
et_destroy (GtkObject *object)
{
ETree *et = E_TREE (object);
if (et->reflow_idle_id)
g_source_remove(et->reflow_idle_id);
et->reflow_idle_id = 0;
gtk_object_unref (GTK_OBJECT (et->model));
gtk_object_unref (GTK_OBJECT (et->sorted));
gtk_object_unref (GTK_OBJECT (et->full_header));
gtk_object_unref (GTK_OBJECT (et->header));
gtk_object_unref (GTK_OBJECT (et->sort_info));
gtk_object_unref (GTK_OBJECT (et->selection));
if (et->spec)
gtk_object_unref (GTK_OBJECT (et->spec));
if (et->header_canvas != NULL)
gtk_widget_destroy (GTK_WIDGET (et->header_canvas));
gtk_widget_destroy (GTK_WIDGET (et->table_canvas));
(*parent_class->destroy)(object);
}
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->sort_info = NULL;
e_tree->reflow_idle_id = 0;
e_tree->horizontal_draw_grid = 1;
e_tree->vertical_draw_grid = 1;
e_tree->draw_focus = 1;
e_tree->cursor_mode = E_CURSOR_SIMPLE;
e_tree->length_threshold = 200;
e_tree->horizontal_scrolling = FALSE;
e_tree->drop_row = -1;
e_tree->drop_path = NULL;
e_tree->drop_col = -1;
e_tree->drag_row = -1;
e_tree->drag_path = NULL;
e_tree->drag_col = -1;
e_tree->site = NULL;
e_tree->drag_source_button_press_event_id = 0;
e_tree->drag_source_motion_notify_event_id = 0;
e_tree->selection = e_table_selection_model_new();
e_tree->spec = 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->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->table_canvas), direction);
}
static void
header_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, ETree *e_tree)
{
gnome_canvas_set_scroll_region (
GNOME_CANVAS (e_tree->header_canvas),
0, 0, alloc->width - 1, /* COLUMN_HEADER_HEIGHT - 1 */
E_TABLE_HEADER_ITEM (e_tree->header_item)->height - 1);
/* 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->header_canvas)->allocation.height !=
E_TABLE_HEADER_ITEM (e_tree->header_item)->height)
gtk_widget_set_usize (GTK_WIDGET (e_tree->header_canvas), -1,
E_TABLE_HEADER_ITEM (e_tree->header_item)->height);
}
static void
e_tree_setup_header (ETree *e_tree)
{
char *pointer;
e_tree->header_canvas = GNOME_CANVAS (e_canvas_new ());
GTK_WIDGET_UNSET_FLAGS (e_tree->header_canvas, GTK_CAN_FOCUS);
gtk_widget_show (GTK_WIDGET (e_tree->header_canvas));
pointer = g_strdup_printf("%p", e_tree);
e_tree->header_item = gnome_canvas_item_new (
gnome_canvas_root (e_tree->header_canvas),
e_table_header_item_get_type (),
"ETableHeader", e_tree->header,
"full_header", e_tree->full_header,
"sort_info", e_tree->sort_info,
"dnd_code", pointer,
/* "table", e_tree, FIXME*/
NULL);
g_free(pointer);
gtk_signal_connect (
GTK_OBJECT (e_tree->header_canvas), "size_allocate",
GTK_SIGNAL_FUNC (header_canvas_size_allocate), e_tree);
gtk_widget_set_usize (GTK_WIDGET (e_tree->header_canvas), -1,
E_TABLE_HEADER_ITEM (e_tree->header_item)->height);
}
static gboolean
tree_canvas_reflow_idle (ETree *e_tree)
{
gdouble height, width;
gdouble item_height;
GtkAllocation *alloc = &(GTK_WIDGET (e_tree->table_canvas)->allocation);
gtk_object_get (GTK_OBJECT (e_tree->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_set_scroll_region (
GNOME_CANVAS (e_tree->table_canvas),
0, 0, width - 1, height - 1);
gtk_object_set (GTK_OBJECT (e_tree->white_item),
"y1", item_height + 1,
"x2", width,
"y2", height,
NULL);
e_tree->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->item),
"height", &height,
NULL);
item_height = height;
height = MAX ((int)height, alloc->height);
gtk_object_set (GTK_OBJECT (e_tree->item),
"width", width,
NULL);
gtk_object_set (GTK_OBJECT (e_tree->header),
"width", width,
NULL);
if (e_tree->reflow_idle_id)
g_source_remove(e_tree->reflow_idle_id);
tree_canvas_reflow_idle(e_tree);
}
static void
tree_canvas_reflow (GnomeCanvas *canvas, ETree *e_tree)
{
if (!e_tree->reflow_idle_id)
e_tree->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->etta, row);
path = e_tree_sorted_view_to_model_path(et->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->etta, row);
path = e_tree_sorted_view_to_model_path(et->sorted, path);
gtk_signal_emit (GTK_OBJECT (et),
et_signals [CURSOR_ACTIVATED],
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->etta, row);
path = e_tree_sorted_view_to_model_path(et->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->etta, row);
path = e_tree_sorted_view_to_model_path(et->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->etta, row);
path = e_tree_sorted_view_to_model_path(et->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;
ETreePath path = e_tree_table_adapter_node_at_row(et->etta, row);
GdkEventKey *key = (GdkEventKey *) event;
GdkEventButton click;
path = e_tree_sorted_view_to_model_path(et->sorted, path);
switch (key->keyval) {
case GDK_Page_Down:
gtk_adjustment_set_value(
gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas)),
CLAMP(gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->value +
(gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->page_size - 20),
0,
gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->upper -
gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->page_size));
click.type = GDK_BUTTON_PRESS;
click.window = GTK_LAYOUT (et->table_canvas)->bin_window;
click.send_event = key->send_event;
click.time = key->time;
click.x = 30;
click.y = gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->page_size - 1;
click.state = key->state;
click.button = 1;
gtk_widget_event(GTK_WIDGET(et->table_canvas),
(GdkEvent *) &click);
return_val = 1;
break;
case GDK_Page_Up:
gtk_adjustment_set_value(
gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas)),
gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->value -
(gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas))->page_size - 20));
click.type = GDK_BUTTON_PRESS;
click.window = GTK_LAYOUT (et->table_canvas)->bin_window;
click.send_event = key->send_event;
click.time = key->time;
click.x = 30;
click.y = 1;
click.state = key->state;
click.button = 1;
gtk_widget_event(GTK_WIDGET(et->table_canvas),
(GdkEvent *) &click);
return_val = 1;
break;
default:
gtk_signal_emit (GTK_OBJECT (et),
et_signals [KEY_PRESS],
row, path, col, event, &return_val);
break;
}
return return_val;
}
static void
et_selection_model_selection_change (ETableSelectionModel *etsm, ETable *et)
{
gtk_signal_emit (GTK_OBJECT (et),
et_signals [SELECTION_CHANGE]);
}
static void
et_build_item (ETree *et)
{
et->item = gnome_canvas_item_new(GNOME_CANVAS_GROUP (gnome_canvas_root(et->table_canvas)),
e_table_item_get_type(),
"ETableHeader", et->header,
"ETableModel", et->etta,
"table_selection_model", et->selection,
"horizontal_draw_grid", et->horizontal_draw_grid,
"vertical_draw_grid", et->vertical_draw_grid,
"drawfocus", et->draw_focus,
"cursor_mode", et->cursor_mode,
"length_threshold", et->length_threshold,
NULL);
gtk_signal_connect (GTK_OBJECT (et->item), "cursor_change",
GTK_SIGNAL_FUNC (item_cursor_change), et);
gtk_signal_connect (GTK_OBJECT (et->item), "cursor_activated",
GTK_SIGNAL_FUNC (item_cursor_activated), et);
gtk_signal_connect (GTK_OBJECT (et->item), "double_click",
GTK_SIGNAL_FUNC (item_double_click), et);
gtk_signal_connect (GTK_OBJECT (et->item), "right_click",
GTK_SIGNAL_FUNC (item_right_click), et);
gtk_signal_connect (GTK_OBJECT (et->item), "click",
GTK_SIGNAL_FUNC (item_click), et);
gtk_signal_connect (GTK_OBJECT (et->item), "key_press",
GTK_SIGNAL_FUNC (item_key_press), et);
}
static void
et_canvas_realize (GtkWidget *canvas, ETree *e_tree)
{
gnome_canvas_item_set(
e_tree->white_item,
"fill_color_gdk", >K_WIDGET(e_tree->table_canvas)->style->base[GTK_STATE_NORMAL],
NULL);
}
static void
et_canvas_button_press (GtkWidget *canvas, GdkEvent *event, ETree *e_tree)
{
if (GTK_WIDGET_HAS_FOCUS(canvas)) {
GnomeCanvasItem *item = GNOME_CANVAS(canvas)->focused_item;
if (E_IS_TABLE_ITEM(item)) {
e_table_item_leave_edit(E_TABLE_ITEM(item));
}
}
}
static void
e_tree_setup_table (ETree *e_tree)
{
e_tree->table_canvas = GNOME_CANVAS (e_canvas_new ());
gtk_signal_connect (
GTK_OBJECT (e_tree->table_canvas), "size_allocate",
GTK_SIGNAL_FUNC (tree_canvas_size_allocate), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree->table_canvas), "focus_in_event",
GTK_SIGNAL_FUNC (gtk_widget_queue_draw), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree->table_canvas), "focus_out_event",
GTK_SIGNAL_FUNC (gtk_widget_queue_draw), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree), "drag_begin",
GTK_SIGNAL_FUNC (et_drag_begin), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree), "drag_end",
GTK_SIGNAL_FUNC (et_drag_end), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree), "drag_data_get",
GTK_SIGNAL_FUNC (et_drag_data_get), e_tree);
gtk_signal_connect (
GTK_OBJECT (e_tree), "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->table_canvas), "reflow",
GTK_SIGNAL_FUNC (tree_canvas_reflow), e_tree);
gtk_widget_show (GTK_WIDGET (e_tree->table_canvas));
e_tree->white_item = gnome_canvas_item_new(
gnome_canvas_root(e_tree->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->table_canvas)->style->base[GTK_STATE_NORMAL],
NULL);
gtk_signal_connect (
GTK_OBJECT(e_tree->table_canvas), "realize",
GTK_SIGNAL_FUNC(et_canvas_realize), e_tree);
gtk_signal_connect (
GTK_OBJECT(e_tree->table_canvas), "button_press_event",
GTK_SIGNAL_FUNC(et_canvas_button_press), e_tree);
et_build_item(e_tree);
}
void
e_tree_set_state_object(ETree *e_tree, ETableState *state)
{
if (e_tree->header)
gtk_object_unref(GTK_OBJECT(e_tree->header));
e_tree->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->full_header, state);
if (e_tree->header)
gtk_object_ref(GTK_OBJECT(e_tree->header));
gtk_object_set (GTK_OBJECT (e_tree->header),
"width", (double) (GTK_WIDGET(e_tree->table_canvas)->allocation.width),
NULL);
if (e_tree->sort_info)
gtk_object_unref(GTK_OBJECT(e_tree->sort_info));
if (state->sort_info)
e_tree->sort_info = e_table_sort_info_duplicate(state->sort_info);
else
e_tree->sort_info = NULL;
if (e_tree->header_item)
gtk_object_set(GTK_OBJECT(e_tree->header_item),
"ETableHeader", e_tree->header,
"sort_info", e_tree->sort_info,
NULL);
if (e_tree->item)
gtk_object_set(GTK_OBJECT(e_tree->item),
"ETableHeader", e_tree->header,
NULL);
if (e_tree->sorted)
gtk_object_set(GTK_OBJECT(e_tree->sorted),
"sort_info", e_tree->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 that will be modified
*
* Returns: the %ETreeState object that encapsulates the current
* state of the @e_tree object
*/
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->sort_info;
gtk_object_ref(GTK_OBJECT(state->sort_info));
state->col_count = e_table_header_count (e_tree->header);
full_col_count = e_table_header_count (e_tree->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->header, i);
state->columns[i] = -1;
for (j = 0; j < full_col_count; j++) {
if (col->col_idx == e_table_header_index(e_tree->full_header, j)) {
state->columns[i] = j;
break;
}
}
state->expansions[i] = col->expansion;
}
return state;
}
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: %ETree object that will be modified
* @filename: name of the file containing the state to be loaded into the %ETree
*
* This routine 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));
}
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->horizontal_draw_grid = specification->horizontal_draw_grid;
e_tree->vertical_draw_grid = specification->vertical_draw_grid;
e_tree->draw_focus = specification->draw_focus;
e_tree->cursor_mode = specification->cursor_mode;
e_tree->full_header = e_table_spec_to_full_header(specification, ete);
e_tree->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->full_header, state);
e_tree->horizontal_scrolling = specification->horizontal_scrolling;
e_tree->sort_info = state->sort_info;
gtk_object_set(GTK_OBJECT(e_tree->header),
"sort_info", e_tree->sort_info,
NULL);
e_tree->model = etm;
gtk_object_ref (GTK_OBJECT (etm));
e_tree->sorted = e_tree_sorted_new(etm, e_tree->full_header, e_tree->sort_info);
e_tree->etta = E_TREE_TABLE_ADAPTER(e_tree_table_adapter_new(E_TREE_MODEL(e_tree->sorted)));
gtk_object_set(GTK_OBJECT(e_tree->selection),
"model", E_TABLE_MODEL(e_tree->etta),
"selection_mode", specification->selection_mode,
"cursor_mode", specification->cursor_mode,
NULL);
gtk_widget_push_visual (gdk_rgb_get_visual ());
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
e_tree->sorter = e_sorter_new();
gtk_object_set (GTK_OBJECT (e_tree->selection),
"model", e_tree->etta,
"sorter", e_tree->sorter,
NULL);
gtk_signal_connect(GTK_OBJECT(e_tree->selection), "selection_changed",
GTK_SIGNAL_FUNC(et_selection_model_selection_change), 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->table_canvas))->step_increment = 20;
gtk_adjustment_changed(gtk_layout_get_vadjustment (GTK_LAYOUT (e_tree->table_canvas)));
if (!specification->no_headers) {
/*
* The header
*/
gtk_table_attach (GTK_TABLE (e_tree), GTK_WIDGET (e_tree->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->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;
}
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->spec = specification;
gtk_object_unref(GTK_OBJECT(state));
return e_tree;
}
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->spec = specification;
gtk_object_unref(GTK_OBJECT(state));
return e_tree;
}
GtkWidget *
e_tree_new (ETreeModel *etm, ETableExtras *ete, const char *spec, const char *state)
{
ETree *e_tree;
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 ());
e_tree = e_tree_construct (e_tree, etm, ete, spec, state);
return GTK_WIDGET (e_tree);
}
GtkWidget *
e_tree_new_from_spec_file (ETreeModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn)
{
ETree *e_tree;
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 ());
e_tree = e_tree_construct_from_spec_file (e_tree, etm, ete, spec_fn, state_fn);
return GTK_WIDGET (e_tree);
}
void
e_tree_set_cursor (ETree *e_tree, ETreePath path)
{
int row;
g_return_if_fail(e_tree != NULL);
g_return_if_fail(E_IS_TREE(e_tree));
g_return_if_fail(path != NULL);
path = e_tree_sorted_model_to_view_path(e_tree->sorted, path);
row = e_tree_table_adapter_row_of_node(E_TREE_TABLE_ADAPTER(e_tree->etta), path);
if (row == -1)
return;
gtk_object_set(GTK_OBJECT(e_tree->selection),
"cursor_row", row,
NULL);
}
ETreePath
e_tree_get_cursor (ETree *e_tree)
{
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->selection),
"cursor_row", &row,
NULL);
path = e_tree_table_adapter_node_at_row(E_TREE_TABLE_ADAPTER(e_tree->etta), row);
path = e_tree_sorted_view_to_model_path(e_tree->sorted, path);
return path;
}
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_SELECTION_MODEL (e_tree->selection),
callback,
closure);
}
gint
e_tree_selected_count (ETree *e_tree)
{
g_return_val_if_fail(e_tree != NULL, -1);
g_return_val_if_fail(E_IS_TREE(e_tree), -1);
return e_selection_model_selected_count(E_SELECTION_MODEL (e_tree->selection));
}
void
e_tree_select_all (ETree *tree)
{
g_return_if_fail (tree != NULL);
g_return_if_fail (E_IS_TREE (tree));
e_selection_model_select_all (E_SELECTION_MODEL (tree->selection));
}
void
e_tree_invert_selection (ETree *tree)
{
g_return_if_fail (tree != NULL);
g_return_if_fail (E_IS_TREE (tree));
e_selection_model_invert_selection (E_SELECTION_MODEL (tree->selection));
}
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->item));
}
static void
et_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
switch (arg_id){
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->length_threshold = GTK_VALUE_INT (*arg);
if (etree->item) {
gnome_canvas_item_set (GNOME_CANVAS_ITEM(etree->item),
"length_threshold", GTK_VALUE_INT (*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);
}
gtk_layout_set_hadjustment (GTK_LAYOUT(tree->table_canvas),
hadjustment);
gtk_layout_set_vadjustment (GTK_LAYOUT(tree->table_canvas),
vadjustment);
if (tree->header_canvas != NULL)
gtk_layout_set_hadjustment (GTK_LAYOUT(tree->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->sorter) {
int i;
i = e_sorter_model_to_sorted(E_SORTER (e_tree->sorter), model_row);
i++;
if (i < e_table_model_row_count(E_TABLE_MODEL(e_tree->etta))) {
return e_sorter_sorted_to_model(E_SORTER (e_tree->sorter), i);
} else
return -1;
} else
if (model_row < e_table_model_row_count(E_TABLE_MODEL(e_tree->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->sorter) {
int i;
i = e_sorter_model_to_sorted(E_SORTER (e_tree->sorter), model_row);
i--;
if (i >= 0)
return e_sorter_sorted_to_model(E_SORTER (e_tree->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->sorter)
return e_sorter_model_to_sorted(E_SORTER (e_tree->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->sorter)
return e_sorter_sorted_to_model (E_SORTER (e_tree->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->sorted, path);
g_return_val_if_fail(path, FALSE);
return e_tree_table_adapter_node_is_expanded (et->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->sorted, path);
e_tree_table_adapter_node_set_expanded (et->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->sorted, path);
e_tree_table_adapter_node_set_expanded_recurse (et->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->etta, visible);
}
ETreePath
e_tree_node_at_row (ETree *et, int row)
{
ETreePath path;
path = e_tree_table_adapter_node_at_row (et->etta, row);
path = e_tree_sorted_view_to_model_path(et->sorted, path);
return path;
}
int
e_tree_row_of_node (ETree *et, ETreePath path)
{
path = e_tree_sorted_model_to_view_path(et->sorted, path);
return e_tree_table_adapter_row_of_node (et->etta, path);
}
gboolean
e_tree_root_node_is_visible(ETree *et)
{
return e_tree_table_adapter_root_node_is_visible (et->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->sorted, path);
e_tree_table_adapter_show_node (et->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->etta, filename);
}
void
e_tree_load_expanded_state (ETree *et, char *filename)
{
e_tree_table_adapter_load_expanded_state (et->etta, filename);
}
gint
e_tree_row_count (ETree *et)
{
return e_table_model_row_count (E_TABLE_MODEL(et->etta));
}
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->etta, row);
path = e_tree_sorted_view_to_model_path(tree->sorted, path);
gtk_drag_get_data(GTK_WIDGET(tree),
context,
target,
time);
}
/**
* e_tree_drag_highlight:
* @tree:
* @row:
* @col:
*
* Set col to -1 to highlight the entire row.
*/
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));
}
void
e_tree_drag_unhighlight (ETree *tree)
{
g_return_if_fail(tree != NULL);
g_return_if_fail(E_IS_TREE(tree));
}
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 */
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->table_canvas);
site = tree->site;
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->drag_source_button_press_event_id =
gtk_signal_connect (GTK_OBJECT (canvas), "button_press_event",
GTK_SIGNAL_FUNC (e_tree_drag_source_event_cb),
tree);
tree->drag_source_motion_notify_event_id =
gtk_signal_connect (GTK_OBJECT (canvas), "motion_notify_event",
GTK_SIGNAL_FUNC (e_tree_drag_source_event_cb),
tree);
tree->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->site;
if (site) {
gtk_signal_disconnect (
GTK_OBJECT (tree->table_canvas),
tree->drag_source_button_press_event_id);
gtk_signal_disconnect (
GTK_OBJECT (tree->table_canvas),
tree->drag_source_motion_notify_event_id);
g_free (site);
tree->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->etta, row);
path = e_tree_sorted_view_to_model_path(tree->sorted, path);
tree->drag_row = row;
tree->drag_path = path;
tree->drag_col = col;
return gtk_drag_begin(GTK_WIDGET(tree),
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. */
x += GTK_LAYOUT(tree->table_canvas)->hadjustment->value;
y += GTK_LAYOUT(tree->table_canvas)->vadjustment->value;
e_table_item_compute_location(E_TABLE_ITEM(tree->item), &x, &y, row_return, col_return);
}
static void
et_drag_begin (GtkWidget *widget,
GdkDragContext *context,
ETree *et)
{
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_BEGIN],
et->drag_row,
et->drag_path,
et->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->drag_row,
et->drag_path,
et->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->drag_row,
et->drag_path,
et->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->drag_row,
et->drag_path,
et->drag_col,
context);
}
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->drop_row,
et->drop_path,
et->drop_col,
context,
time);
et->drop_row = -1;
et->drop_col = -1;
}
static gboolean
et_drag_motion(GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETree *et)
{
gboolean ret_val;
int row, col;
ETreePath path;
e_tree_get_cell_at (et,
x,
y,
&row,
&col);
if (et->drop_row >= 0 && et->drop_col >= 0 &&
row != et->drop_row && col != et->drop_row) {
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_LEAVE],
et->drop_row,
et->drop_path,
et->drop_col,
context,
time);
}
path = e_tree_table_adapter_node_at_row(et->etta, row);
path = e_tree_sorted_view_to_model_path(et->sorted, path);
et->drop_row = row;
et->drop_path = path;
et->drop_col = col;
if (row >= 0 && col >= 0)
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_MOTION],
et->drop_row,
et->drop_path,
et->drop_col,
context,
x,
y,
time,
&ret_val);
return ret_val;
}
static gboolean
et_drag_drop(GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETree *et)
{
gboolean ret_val;
int row, col;
ETreePath path;
e_tree_get_cell_at(et,
x,
y,
&row,
&col);
path = e_tree_table_adapter_node_at_row(et->etta, row);
path = e_tree_sorted_view_to_model_path(et->sorted, path);
if (et->drop_row >= 0 && et->drop_col >= 0 &&
row != et->drop_row && col != et->drop_row) {
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_LEAVE],
et->drop_row,
et->drop_path,
et->drop_col,
context,
time);
if (row >= 0 && col >= 0)
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_MOTION],
row,
path,
col,
context,
x,
y,
time,
&ret_val);
}
et->drop_row = row;
et->drop_path = path;
et->drop_col = col;
if (row >= 0 && col >= 0)
gtk_signal_emit (GTK_OBJECT (et),
et_signals [TREE_DRAG_DROP],
et->drop_row,
et->drop_path,
et->drop_col,
context,
x,
y,
time,
&ret_val);
et->drop_row = -1;
et->drop_path = NULL;
et->drop_col = -1;
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;
e_tree_get_cell_at(et,
x,
y,
&row,
&col);
path = e_tree_table_adapter_node_at_row(et->etta, row);
path = e_tree_sorted_view_to_model_path(et->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 gint
e_tree_drag_source_event_cb (GtkWidget *widget,
GdkEvent *event,
ETree *tree)
{
ETreeDragSourceSite *site;
site = tree->site;
switch (event->type) {
case GDK_BUTTON_PRESS:
if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
int row, col;
e_tree_get_cell_at(tree, event->button.x, event->button.y, &row, &col);
if (row >= 0 && col >= 0) {
site->state |= (GDK_BUTTON1_MASK << (event->button.button - 1));
site->x = event->button.x;
site->y = event->button.y;
site->row = row;
site->col = col;
}
}
break;
case GDK_BUTTON_RELEASE:
if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
site->state &= ~(GDK_BUTTON1_MASK << (event->button.button - 1));
}
break;
case GDK_MOTION_NOTIFY:
if (site->state & event->motion.state & site->start_button_mask) {
/* FIXME: This is really broken and can leave us
* with a stuck grab
*/
int i;
for (i=1; i<6; i++) {
if (site->state & event->motion.state &
GDK_BUTTON1_MASK << (i - 1))
break;
}
if (MAX (abs (site->x - event->motion.x),
abs (site->y - event->motion.y)) > 3) {
GtkDragSourceInfo *info;
GdkDragContext *context;
site->state = 0;
context = e_tree_drag_begin (tree, site->row, site->col,
site->target_list,
site->actions,
i, event);
info = g_dataset_get_data (context, "gtk-info");
if (!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;
}
}
break;
default: /* hit for 2/3BUTTON_PRESS */
break;
}
return FALSE;
}
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;
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->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,
object_class->type,
GTK_SIGNAL_OFFSET (ETreeClass, cursor_change),
gtk_marshal_NONE__POINTER_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT);
et_signals [CURSOR_ACTIVATED] =
gtk_signal_new ("cursor_activated",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETreeClass, cursor_activated),
gtk_marshal_NONE__POINTER_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT);
et_signals [SELECTION_CHANGE] =
gtk_signal_new ("selection_change",
GTK_RUN_LAST,
object_class->type,
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,
object_class->type,
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_POINTER);
et_signals [RIGHT_CLICK] =
gtk_signal_new ("right_click",
GTK_RUN_LAST,
object_class->type,
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_POINTER);
et_signals [CLICK] =
gtk_signal_new ("click",
GTK_RUN_LAST,
object_class->type,
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_POINTER);
et_signals [KEY_PRESS] =
gtk_signal_new ("key_press",
GTK_RUN_LAST,
object_class->type,
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_POINTER);
et_signals[TREE_DRAG_BEGIN] =
gtk_signal_new ("tree_drag_begin",
GTK_RUN_LAST,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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,
object_class->type,
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);
gtk_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,
object_class->type,
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);
}
E_MAKE_TYPE(e_tree, "ETree", ETree, e_tree_class_init, e_tree_init, PARENT_TYPE);
