gtk2/tests/testtreecolumnsizing.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

251 lines
8.0 KiB
C

/* testtreecolumnsizing.c: Test case for tree view column resizing.
*
* Copyright (C) 2008 Kristian Rietveld <kris@gtk.org>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <gtk/gtk.h>
#include <string.h>
#define NO_EXPAND "No expandable columns"
#define SINGLE_EXPAND "One expandable column"
#define MULTI_EXPAND "Multiple expandable columns"
#define LAST_EXPAND "Last column is expandable"
#define BORDER_EXPAND "First and last columns are expandable"
#define ALL_EXPAND "All columns are expandable"
#define N_ROWS 10
static GtkTreeModel *
create_model (void)
{
int i;
GtkListStore *store;
store = gtk_list_store_new (5,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING);
for (i = 0; i < N_ROWS; i++)
{
gchar *str;
str = g_strdup_printf ("Row %d", i);
gtk_list_store_insert_with_values (store, NULL, i,
0, str,
1, "Blah blah blah blah blah",
2, "Less blah",
3, "Medium length",
4, "Eek",
-1);
g_free (str);
}
return GTK_TREE_MODEL (store);
}
static void
toggle_long_content_row (GtkToggleButton *button,
gpointer user_data)
{
GtkTreeModel *model;
model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));
if (gtk_tree_model_iter_n_children (model, NULL) == N_ROWS)
{
gtk_list_store_insert_with_values (GTK_LIST_STORE (model), NULL, N_ROWS,
0, "Very very very very longggggg",
1, "Blah blah blah blah blah",
2, "Less blah",
3, "Medium length",
4, "Eek we make the scrollbar appear",
-1);
}
else
{
GtkTreeIter iter;
gtk_tree_model_iter_nth_child (model, &iter, NULL, N_ROWS);
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
}
}
static void
combo_box_changed (GtkComboBox *combo_box,
gpointer user_data)
{
gchar *str;
GList *list;
GList *columns;
str = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (combo_box));
if (!str)
return;
columns = gtk_tree_view_get_columns (GTK_TREE_VIEW (user_data));
if (!strcmp (str, NO_EXPAND))
{
for (list = columns; list; list = list->next)
gtk_tree_view_column_set_expand (list->data, FALSE);
}
else if (!strcmp (str, SINGLE_EXPAND))
{
for (list = columns; list; list = list->next)
{
if (list->prev && !list->prev->prev)
/* This is the second column */
gtk_tree_view_column_set_expand (list->data, TRUE);
else
gtk_tree_view_column_set_expand (list->data, FALSE);
}
}
else if (!strcmp (str, MULTI_EXPAND))
{
for (list = columns; list; list = list->next)
{
if (list->prev && !list->prev->prev)
/* This is the second column */
gtk_tree_view_column_set_expand (list->data, TRUE);
else if (list->prev && !list->prev->prev->prev)
/* This is the third column */
gtk_tree_view_column_set_expand (list->data, TRUE);
else
gtk_tree_view_column_set_expand (list->data, FALSE);
}
}
else if (!strcmp (str, LAST_EXPAND))
{
for (list = columns; list->next; list = list->next)
gtk_tree_view_column_set_expand (list->data, FALSE);
/* This is the last column */
gtk_tree_view_column_set_expand (list->data, TRUE);
}
else if (!strcmp (str, BORDER_EXPAND))
{
gtk_tree_view_column_set_expand (columns->data, TRUE);
for (list = columns->next; list->next; list = list->next)
gtk_tree_view_column_set_expand (list->data, FALSE);
/* This is the last column */
gtk_tree_view_column_set_expand (list->data, TRUE);
}
else if (!strcmp (str, ALL_EXPAND))
{
for (list = columns; list; list = list->next)
gtk_tree_view_column_set_expand (list->data, TRUE);
}
g_free (str);
g_list_free (columns);
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char **argv)
{
int i;
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *combo_box;
GtkWidget *sw;
GtkWidget *tree_view;
GtkWidget *button;
gboolean done = FALSE;
gtk_init ();
/* Window and box */
window = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_window_set_child (GTK_WINDOW (window), vbox);
/* Option menu contents */
combo_box = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), NO_EXPAND);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), SINGLE_EXPAND);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), MULTI_EXPAND);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), LAST_EXPAND);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), BORDER_EXPAND);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), ALL_EXPAND);
gtk_box_append (GTK_BOX (vbox), combo_box);
/* Scrolled window and tree view */
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_widget_set_vexpand (sw, TRUE);
gtk_box_append (GTK_BOX (vbox), sw);
tree_view = gtk_tree_view_new_with_model (create_model ());
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tree_view);
for (i = 0; i < 5; i++)
{
GtkTreeViewColumn *column;
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
i, "Header",
gtk_cell_renderer_text_new (),
"text", i,
NULL);
column = gtk_tree_view_get_column (GTK_TREE_VIEW (tree_view), i);
gtk_tree_view_column_set_resizable (column, TRUE);
}
/* Toggle button for long content row */
button = gtk_toggle_button_new_with_label ("Toggle long content row");
g_signal_connect (button, "toggled",
G_CALLBACK (toggle_long_content_row), tree_view);
gtk_box_append (GTK_BOX (vbox), button);
/* Set up option menu callback and default item */
g_signal_connect (combo_box, "changed",
G_CALLBACK (combo_box_changed), tree_view);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
/* Done */
gtk_widget_show (window);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}