gtk2/tests/testtreecolumns.c
Matthias Clasen 386b63b85d scrolledwindow: Don't take adjustments in new()
In 99.9% of all cases, these are just NULL, NULL.
So just do away with these arguments, people can
use the setters for the rare cases where they want
the scrolled window to use a different adjustment.
2020-06-24 11:25:09 -04:00

920 lines
28 KiB
C

/* testtreecolumns.c
* Copyright (C) 2001 Red Hat, Inc
* Author: Jonathan Blandford
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
/*
* README README README README README README README README README README
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* README README README README README README README README README README
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* README README README README README README README README README README
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* README README README README README README README README README README
*
* DO NOT!!! I REPEAT DO NOT! EVER LOOK AT THIS CODE AS AN EXAMPLE OF WHAT YOUR
* CODE SHOULD LOOK LIKE.
*
* IT IS VERY CONFUSING, AND IS MEANT TO TEST A LOT OF CODE IN THE TREE. WHILE
* IT IS ACTUALLY CORRECT CODE, IT IS NOT USEFUL.
*/
GtkWidget *left_tree_view;
GtkWidget *top_right_tree_view;
GtkWidget *bottom_right_tree_view;
GtkTreeModel *left_tree_model;
GtkTreeModel *top_right_tree_model;
GtkTreeModel *bottom_right_tree_model;
GtkWidget *sample_tree_view_top;
GtkWidget *sample_tree_view_bottom;
#define column_data "my_column_data"
static void move_row (GtkTreeModel *src,
GtkTreeIter *src_iter,
GtkTreeModel *dest,
GtkTreeIter *dest_iter);
/* Kids, don't try this at home. */
/* Small GtkTreeModel to model columns */
typedef struct _ViewColumnModel ViewColumnModel;
typedef struct _ViewColumnModelClass ViewColumnModelClass;
struct _ViewColumnModel
{
GtkListStore parent;
GtkTreeView *view;
GList *columns;
gint stamp;
};
struct _ViewColumnModelClass
{
GtkListStoreClass parent_class;
};
static void view_column_model_tree_model_init (GtkTreeModelIface *iface);
static void view_column_model_drag_source_init (GtkTreeDragSourceIface *iface);
static void view_column_model_drag_dest_init (GtkTreeDragDestIface *iface);
static GType view_column_model_get_type (void);
G_DEFINE_TYPE_WITH_CODE (ViewColumnModel, view_column_model, GTK_TYPE_LIST_STORE,
G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL, view_column_model_tree_model_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE, view_column_model_drag_source_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_DEST, view_column_model_drag_dest_init))
static void view_column_model_init (ViewColumnModel *model)
{
model->stamp = g_random_int ();
}
static gint
view_column_model_get_n_columns (GtkTreeModel *tree_model)
{
return 2;
}
static GType
view_column_model_get_column_type (GtkTreeModel *tree_model,
gint index)
{
switch (index)
{
case 0:
return G_TYPE_STRING;
case 1:
return GTK_TYPE_TREE_VIEW_COLUMN;
default:
return G_TYPE_INVALID;
}
}
static gboolean
view_column_model_get_iter (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreePath *path)
{
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
GList *list;
gint i;
g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
i = gtk_tree_path_get_indices (path)[0];
list = g_list_nth (view_model->columns, i);
if (list == NULL)
return FALSE;
iter->stamp = view_model->stamp;
iter->user_data = list;
return TRUE;
}
static GtkTreePath *
view_column_model_get_path (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
GtkTreePath *retval;
GList *list;
gint i = 0;
g_return_val_if_fail (iter->stamp == view_model->stamp, NULL);
for (list = view_model->columns; list; list = list->next)
{
if (list == (GList *)iter->user_data)
break;
i++;
}
if (list == NULL)
return NULL;
retval = gtk_tree_path_new ();
gtk_tree_path_append_index (retval, i);
return retval;
}
static void
view_column_model_get_value (GtkTreeModel *tree_model,
GtkTreeIter *iter,
gint column,
GValue *value)
{
#ifndef G_DISABLE_CHECKS
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
g_return_if_fail (column < 2);
g_return_if_fail (view_model->stamp == iter->stamp);
g_return_if_fail (iter->user_data != NULL);
#endif
if (column == 0)
{
g_value_init (value, G_TYPE_STRING);
g_value_set_string (value, gtk_tree_view_column_get_title (GTK_TREE_VIEW_COLUMN (((GList *)iter->user_data)->data)));
}
else
{
g_value_init (value, GTK_TYPE_TREE_VIEW_COLUMN);
g_value_set_object (value, ((GList *)iter->user_data)->data);
}
}
static gboolean
view_column_model_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
#ifndef G_DISABLE_CHECKS
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
g_return_val_if_fail (view_model->stamp == iter->stamp, FALSE);
g_return_val_if_fail (iter->user_data != NULL, FALSE);
#endif
iter->user_data = ((GList *)iter->user_data)->next;
return iter->user_data != NULL;
}
static gboolean
view_column_model_iter_children (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent)
{
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
/* this is a list, nodes have no children */
if (parent)
return FALSE;
/* but if parent == NULL we return the list itself as children of the
* "root"
*/
if (view_model->columns)
{
iter->stamp = view_model->stamp;
iter->user_data = view_model->columns;
return TRUE;
}
else
return FALSE;
}
static gboolean
view_column_model_iter_has_child (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
return FALSE;
}
static gint
view_column_model_iter_n_children (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
return g_list_length (((ViewColumnModel *)tree_model)->columns);
}
static gint
view_column_model_iter_nth_child (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n)
{
ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
if (parent)
return FALSE;
iter->stamp = view_model->stamp;
iter->user_data = g_list_nth ((GList *)view_model->columns, n);
return (iter->user_data != NULL);
}
static gboolean
view_column_model_iter_parent (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *child)
{
return FALSE;
}
static void
view_column_model_tree_model_init (GtkTreeModelIface *iface)
{
iface->get_n_columns = view_column_model_get_n_columns;
iface->get_column_type = view_column_model_get_column_type;
iface->get_iter = view_column_model_get_iter;
iface->get_path = view_column_model_get_path;
iface->get_value = view_column_model_get_value;
iface->iter_next = view_column_model_iter_next;
iface->iter_children = view_column_model_iter_children;
iface->iter_has_child = view_column_model_iter_has_child;
iface->iter_n_children = view_column_model_iter_n_children;
iface->iter_nth_child = view_column_model_iter_nth_child;
iface->iter_parent = view_column_model_iter_parent;
}
static GdkContentProvider *
view_column_model_drag_data_get (GtkTreeDragSource *drag_source,
GtkTreePath *path)
{
return gtk_tree_create_row_drag_content (GTK_TREE_MODEL (drag_source), path);
}
static gboolean
view_column_model_drag_data_delete (GtkTreeDragSource *drag_source,
GtkTreePath *path)
{
/* Nothing -- we handle moves on the dest side */
return TRUE;
}
static gboolean
view_column_model_row_drop_possible (GtkTreeDragDest *drag_dest,
GtkTreePath *dest_path,
const GValue *value)
{
GtkTreeModel *src_model;
if (gtk_tree_get_row_drag_data (value,
&src_model,
NULL))
{
if (src_model == left_tree_model ||
src_model == top_right_tree_model ||
src_model == bottom_right_tree_model)
return TRUE;
}
return FALSE;
}
static gboolean
view_column_model_drag_data_received (GtkTreeDragDest *drag_dest,
GtkTreePath *dest,
const GValue *value)
{
GtkTreeModel *src_model;
GtkTreePath *src_path = NULL;
gboolean retval = FALSE;
if (gtk_tree_get_row_drag_data (value,
&src_model,
&src_path))
{
GtkTreeIter src_iter;
GtkTreeIter dest_iter;
gboolean have_dest;
/* We are a little lazy here, and assume if we can't convert dest
* to an iter, we need to append. See gtkliststore.c for a more
* careful handling of this.
*/
have_dest = gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_dest), &dest_iter, dest);
if (gtk_tree_model_get_iter (src_model, &src_iter, src_path))
{
if (src_model == left_tree_model ||
src_model == top_right_tree_model ||
src_model == bottom_right_tree_model)
{
move_row (src_model, &src_iter, GTK_TREE_MODEL (drag_dest),
have_dest ? &dest_iter : NULL);
retval = TRUE;
}
}
gtk_tree_path_free (src_path);
}
return retval;
}
static void
view_column_model_drag_source_init (GtkTreeDragSourceIface *iface)
{
iface->drag_data_get = view_column_model_drag_data_get;
iface->drag_data_delete = view_column_model_drag_data_delete;
}
static void
view_column_model_drag_dest_init (GtkTreeDragDestIface *iface)
{
iface->drag_data_received = view_column_model_drag_data_received;
iface->row_drop_possible = view_column_model_row_drop_possible;
}
static void
view_column_model_class_init (ViewColumnModelClass *klass)
{
}
static void
update_columns (GtkTreeView *view, ViewColumnModel *view_model)
{
GList *old_columns = view_model->columns;
gint old_length, length;
GList *a, *b;
view_model->columns = gtk_tree_view_get_columns (view_model->view);
/* As the view tells us one change at a time, we can do this hack. */
length = g_list_length (view_model->columns);
old_length = g_list_length (old_columns);
if (length != old_length)
{
GtkTreePath *path;
gint i = 0;
/* where are they different */
for (a = old_columns, b = view_model->columns; a && b; a = a->next, b = b->next)
{
if (a->data != b->data)
break;
i++;
}
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, i);
if (length < old_length)
{
view_model->stamp++;
gtk_tree_model_row_deleted (GTK_TREE_MODEL (view_model), path);
}
else
{
GtkTreeIter iter;
iter.stamp = view_model->stamp;
iter.user_data = b;
gtk_tree_model_row_inserted (GTK_TREE_MODEL (view_model), path, &iter);
}
gtk_tree_path_free (path);
}
else
{
gint i;
gint m = 0, n = 1;
gint *new_order;
GtkTreePath *path;
new_order = g_new (int, length);
a = old_columns; b = view_model->columns;
while (a->data == b->data)
{
a = a->next;
b = b->next;
if (a == NULL)
return;
m++;
}
if (a->next->data == b->data)
{
b = b->next;
while (b->data != a->data)
{
b = b->next;
n++;
}
for (i = 0; i < m; i++)
new_order[i] = i;
for (i = m; i < m+n; i++)
new_order[i] = i+1;
new_order[i] = m;
for (i = m + n +1; i < length; i++)
new_order[i] = i;
}
else
{
a = a->next;
while (a->data != b->data)
{
a = a->next;
n++;
}
for (i = 0; i < m; i++)
new_order[i] = i;
new_order[m] = m+n;
for (i = m+1; i < m + n+ 1; i++)
new_order[i] = i - 1;
for (i = m + n + 1; i < length; i++)
new_order[i] = i;
}
path = gtk_tree_path_new ();
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (view_model),
path,
NULL,
new_order);
gtk_tree_path_free (path);
g_free (new_order);
}
if (old_columns)
g_list_free (old_columns);
}
static GtkTreeModel *
view_column_model_new (GtkTreeView *view)
{
GtkTreeModel *retval;
retval = g_object_new (view_column_model_get_type (), NULL);
((ViewColumnModel *)retval)->view = view;
((ViewColumnModel *)retval)->columns = gtk_tree_view_get_columns (view);
g_signal_connect (view, "columns_changed", G_CALLBACK (update_columns), retval);
return retval;
}
/* Back to sanity.
*/
static void
add_clicked (GtkWidget *button, gpointer data)
{
static gint i = 0;
GtkTreeIter iter;
GtkTreeViewColumn *column;
GtkTreeSelection *selection;
GtkCellRenderer *cell;
gchar *label = g_strdup_printf ("Column %d", i);
cell = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (label, cell, "text", 0, NULL);
g_object_set_data_full (G_OBJECT (column), column_data, label, g_free);
gtk_tree_view_column_set_reorderable (column, TRUE);
gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
i++;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
gtk_tree_selection_select_iter (selection, &iter);
}
static void
get_visible (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkTreeViewColumn *column;
gtk_tree_model_get (tree_model, iter, 1, &column, -1);
if (column)
{
gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
gtk_tree_view_column_get_visible (column));
}
}
static void
set_visible (GtkCellRendererToggle *cell,
gchar *path_str,
gpointer data)
{
GtkTreeView *tree_view = (GtkTreeView *) data;
GtkTreeViewColumn *column;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
model = gtk_tree_view_get_model (tree_view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, 1, &column, -1);
if (column)
{
gtk_tree_view_column_set_visible (column, ! gtk_tree_view_column_get_visible (column));
gtk_tree_model_row_changed (model, path, &iter);
}
gtk_tree_path_free (path);
}
static void
move_to_left (GtkTreeModel *src,
GtkTreeIter *src_iter,
GtkTreeIter *dest_iter)
{
GtkTreeIter iter;
GtkTreeViewColumn *column;
GtkTreeSelection *selection;
gchar *label;
gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
if (src == top_right_tree_model)
gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
else
gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
/* gtk_list_store_remove (GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (data))), &iter);*/
/* Put it back on the left */
if (dest_iter)
gtk_list_store_insert_before (GTK_LIST_STORE (left_tree_model),
&iter, dest_iter);
else
gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
gtk_tree_selection_select_iter (selection, &iter);
g_free (label);
}
static void
move_to_right (GtkTreeIter *src_iter,
GtkTreeModel *dest,
GtkTreeIter *dest_iter)
{
gchar *label;
GtkTreeViewColumn *column;
gint before = -1;
gtk_tree_model_get (GTK_TREE_MODEL (left_tree_model),
src_iter, 0, &label, 1, &column, -1);
gtk_list_store_remove (GTK_LIST_STORE (left_tree_model), src_iter);
if (dest_iter)
{
GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
before = (gtk_tree_path_get_indices (path))[0];
gtk_tree_path_free (path);
}
if (dest == top_right_tree_model)
gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
else
gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
g_free (label);
}
static void
move_up_or_down (GtkTreeModel *src,
GtkTreeIter *src_iter,
GtkTreeModel *dest,
GtkTreeIter *dest_iter)
{
GtkTreeViewColumn *column;
gchar *label;
gint before = -1;
gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
if (dest_iter)
{
GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
before = (gtk_tree_path_get_indices (path))[0];
gtk_tree_path_free (path);
}
if (src == top_right_tree_model)
gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
else
gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
if (dest == top_right_tree_model)
gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
else
gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
g_free (label);
}
static void
move_row (GtkTreeModel *src,
GtkTreeIter *src_iter,
GtkTreeModel *dest,
GtkTreeIter *dest_iter)
{
if (src == left_tree_model)
move_to_right (src_iter, dest, dest_iter);
else if (dest == left_tree_model)
move_to_left (src, src_iter, dest_iter);
else
move_up_or_down (src, src_iter, dest, dest_iter);
}
static void
add_left_clicked (GtkWidget *button,
gpointer data)
{
GtkTreeIter iter;
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (data));
gtk_tree_selection_get_selected (selection, NULL, &iter);
move_to_left (gtk_tree_view_get_model (GTK_TREE_VIEW (data)), &iter, NULL);
}
static void
add_right_clicked (GtkWidget *button, gpointer data)
{
GtkTreeIter iter;
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
gtk_tree_selection_get_selected (selection, NULL, &iter);
move_to_right (&iter, gtk_tree_view_get_model (GTK_TREE_VIEW (data)), NULL);
}
static void
selection_changed (GtkTreeSelection *selection, GtkWidget *button)
{
if (gtk_tree_selection_get_selected (selection, NULL, NULL))
gtk_widget_set_sensitive (button, TRUE);
else
gtk_widget_set_sensitive (button, FALSE);
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *hbox, *vbox;
GtkWidget *vbox2, *bbox;
GtkWidget *button;
GtkTreeViewColumn *column;
GtkCellRenderer *cell;
GtkWidget *swindow;
GtkTreeModel *sample_model;
GdkContentFormats *targets;
gint i;
gboolean done = FALSE;
gtk_init ();
/* First initialize all the models for signal purposes */
left_tree_model = (GtkTreeModel *) gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
sample_model = (GtkTreeModel *) gtk_list_store_new (1, G_TYPE_STRING);
sample_tree_view_top = gtk_tree_view_new_with_model (sample_model);
sample_tree_view_bottom = gtk_tree_view_new_with_model (sample_model);
top_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_top));
bottom_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_bottom));
top_right_tree_view = gtk_tree_view_new_with_model (top_right_tree_model);
bottom_right_tree_view = gtk_tree_view_new_with_model (bottom_right_tree_model);
for (i = 0; i < 10; i++)
{
GtkTreeIter iter;
gchar *string = g_strdup_printf ("%d", i);
gtk_list_store_append (GTK_LIST_STORE (sample_model), &iter);
gtk_list_store_set (GTK_LIST_STORE (sample_model), &iter, 0, string, -1);
g_free (string);
}
/* Set up the test windows. */
window = gtk_window_new ();
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
gtk_window_set_title (GTK_WINDOW (window), "Top Window");
swindow = gtk_scrolled_window_new ();
gtk_window_set_child (GTK_WINDOW (window), swindow);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (swindow), sample_tree_view_top);
gtk_widget_show (window);
window = gtk_window_new ();
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
gtk_window_set_title (GTK_WINDOW (window), "Bottom Window");
swindow = gtk_scrolled_window_new ();
gtk_window_set_child (GTK_WINDOW (window), swindow);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (swindow), sample_tree_view_bottom);
gtk_widget_show (window);
/* Set up the main window */
window = gtk_window_new ();
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_window_set_child (GTK_WINDOW (window), vbox);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
gtk_box_append (GTK_BOX (vbox), hbox);
/* Left Pane */
cell = gtk_cell_renderer_text_new ();
swindow = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
left_tree_view = gtk_tree_view_new_with_model (left_tree_model);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (swindow), left_tree_view);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (left_tree_view), -1,
"Unattached Columns", cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), left_tree_view);
column = gtk_tree_view_column_new_with_attributes ("Visible", cell, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (left_tree_view), column);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_box_append (GTK_BOX (hbox), swindow);
/* Middle Pane */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_box_append (GTK_BOX (hbox), vbox2);
bbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_append (GTK_BOX (vbox2), bbox);
button = gtk_button_new_with_mnemonic ("<< (_Q)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), top_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_mnemonic (">> (_W)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), top_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_append (GTK_BOX (bbox), button);
bbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_append (GTK_BOX (vbox2), bbox);
button = gtk_button_new_with_mnemonic ("<< (_E)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), bottom_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_append (GTK_BOX (bbox), button);
button = gtk_button_new_with_mnemonic (">> (_R)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), bottom_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_append (GTK_BOX (bbox), button);
/* Right Pane */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_box_append (GTK_BOX (hbox), vbox2);
swindow = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (top_right_tree_view), FALSE);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (top_right_tree_view), -1,
NULL, cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), top_right_tree_view);
column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (top_right_tree_view), column);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (swindow), top_right_tree_view);
gtk_box_append (GTK_BOX (vbox2), swindow);
swindow = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (bottom_right_tree_view), FALSE);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (bottom_right_tree_view), -1,
NULL, cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), bottom_right_tree_view);
column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (bottom_right_tree_view), column);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (swindow), bottom_right_tree_view);
gtk_box_append (GTK_BOX (vbox2), swindow);
/* Drag and Drop */
targets = gdk_content_formats_new_for_gtype (GTK_TYPE_TREE_ROW_DATA);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (left_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (left_tree_view),
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (top_right_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
targets,
GDK_ACTION_MOVE);
gdk_content_formats_unref (targets);
gtk_box_append (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
gtk_box_append (GTK_BOX (vbox), hbox);
button = gtk_button_new_with_mnemonic ("_Add new Column");
g_signal_connect (button, "clicked", G_CALLBACK (add_clicked), left_tree_model);
gtk_box_append (GTK_BOX (hbox), button);
gtk_widget_show (window);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}