Learning_GTK4_tree/tests/testlist.c

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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
#include <string.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
typedef struct _Row Row;
typedef struct _RowClass RowClass;
struct _Row
{
GtkListBoxRow parent_instance;
GtkWidget *label;
int sort_id;
};
struct _RowClass
{
GtkListBoxRowClass parent_class;
};
const char *css =
"list row {"
" border-width: 1px;"
" border-style: solid;"
" border-color: blue;"
"}"
"list row:hover {"
"background-color: green;"
"}"
"list row:active {"
"background-color: red;"
"}";
static GType row_get_type (void);
G_DEFINE_TYPE (Row, row, GTK_TYPE_LIST_BOX_ROW)
static void
row_init (Row *row)
{
}
static void
row_class_init (RowClass *class)
{
}
static GtkWidget *
row_new (const char * text, int sort_id) {
Row *row;
row = g_object_new (row_get_type (), NULL);
if (text != NULL)
{
row->label = gtk_label_new (text);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), row->label);
}
row->sort_id = sort_id;
return GTK_WIDGET (row);
}
static void
update_header_cb (Row *row, Row *before, gpointer data)
{
GtkWidget *hbox, *l, *b;
if (before == NULL ||
(row->label != NULL &&
strcmp (gtk_label_get_text (GTK_LABEL (row->label)), "blah3") == 0))
{
/* Create header if needed */
if (gtk_list_box_row_get_header (GTK_LIST_BOX_ROW (row)) == NULL)
{
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
l = gtk_label_new ("Header");
gtk_box_append (GTK_BOX (hbox), l);
b = gtk_button_new_with_label ("button");
gtk_box_append (GTK_BOX (hbox), b);
gtk_list_box_row_set_header (GTK_LIST_BOX_ROW (row), hbox);
}
hbox = gtk_list_box_row_get_header(GTK_LIST_BOX_ROW (row));
l = gtk_widget_get_first_child (hbox);
gtk_label_set_text (GTK_LABEL (l), g_strdup_printf ("Header %d", row->sort_id));
}
else
{
gtk_list_box_row_set_header(GTK_LIST_BOX_ROW (row), NULL);
}
}
static int
sort_cb (Row *a, Row *b, gpointer data)
{
return a->sort_id - b->sort_id;
}
static int
reverse_sort_cb (Row *a, Row *b, gpointer data)
{
return b->sort_id - a->sort_id;
}
static gboolean
filter_cb (Row *row, gpointer data)
{
const char *text;
if (row->label != NULL)
{
text = gtk_label_get_text (GTK_LABEL (row->label));
return strcmp (text, "blah3") != 0;
}
return TRUE;
}
static void
row_activated_cb (GtkListBox *list_box,
GtkListBoxRow *row)
{
g_print ("activated row %p\n", row);
}
static void
row_selected_cb (GtkListBox *list_box,
GtkListBoxRow *row)
{
g_print ("selected row %p\n", row);
}
static void
sort_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_sort_func (list, (GtkListBoxSortFunc)sort_cb, NULL, NULL);
}
static void
reverse_sort_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_sort_func (list, (GtkListBoxSortFunc)reverse_sort_cb, NULL, NULL);
}
static void
filter_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_filter_func (list, (GtkListBoxFilterFunc)filter_cb, NULL, NULL);
}
static void
unfilter_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_filter_func (list, NULL, NULL, NULL);
}
static void
change_clicked_cb (GtkButton *button,
gpointer data)
{
Row *row = data;
if (strcmp (gtk_label_get_text (GTK_LABEL (row->label)), "blah3") == 0)
{
gtk_label_set_text (GTK_LABEL (row->label), "blah5");
row->sort_id = 5;
}
else
{
gtk_label_set_text (GTK_LABEL (row->label), "blah3");
row->sort_id = 3;
}
gtk_list_box_row_changed (GTK_LIST_BOX_ROW (row));
}
static void
add_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
GtkWidget *new_row;
static int new_button_nr = 1;
new_row = row_new( g_strdup_printf ("blah2 new %d", new_button_nr), new_button_nr);
gtk_list_box_insert (GTK_LIST_BOX (list), new_row, -1);
new_button_nr++;
}
static void
separate_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_header_func (list, (GtkListBoxUpdateHeaderFunc)update_header_cb, NULL, NULL);
}
static void
unseparate_clicked_cb (GtkButton *button,
gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_header_func (list, NULL, NULL, NULL);
}
static void
visibility_clicked_cb (GtkButton *button,
gpointer data)
{
GtkWidget *row = data;
gtk_widget_set_visible (row, !gtk_widget_get_visible (row));
}
static void
selection_mode_changed (GtkComboBox *combo, gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_selection_mode (list, gtk_combo_box_get_active (combo));
}
static void
single_click_clicked (GtkButton *check, gpointer data)
{
GtkListBox *list = data;
g_print ("single: %d\n", gtk_check_button_get_active (GTK_CHECK_BUTTON (check)));
gtk_list_box_set_activate_on_single_click (list, gtk_check_button_get_active (GTK_CHECK_BUTTON (check)));
}
int
main (int argc, char *argv[])
{
GtkCssProvider *provider;
GtkWidget *window, *hbox, *vbox, *list, *row, *row3, *row_vbox, *row_hbox, *l;
GtkWidget *check, *button, *combo, *scrolled;
gtk_init ();
window = gtk_window_new ();
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_window_set_child (GTK_WINDOW (window), hbox);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1);
gtk_style_context_add_provider_for_display (gtk_widget_get_display (window),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_USER);
list = gtk_list_box_new ();
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_append (GTK_BOX (hbox), vbox);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
"GTK_SELECTION_NONE");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
"GTK_SELECTION_SINGLE");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
"GTK_SELECTION_BROWSE");
g_signal_connect (combo, "changed", G_CALLBACK (selection_mode_changed), list);
gtk_box_append (GTK_BOX (vbox), combo);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), gtk_list_box_get_selection_mode (GTK_LIST_BOX (list)));
check = gtk_check_button_new_with_label ("single click mode");
gtk_check_button_set_active (GTK_CHECK_BUTTON (check), gtk_list_box_get_activate_on_single_click (GTK_LIST_BOX (list)));
g_signal_connect (check, "toggled", G_CALLBACK (single_click_clicked), list);
gtk_box_append (GTK_BOX (vbox), check);
scrolled = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), list);
gtk_box_append (GTK_BOX (hbox), scrolled);
g_signal_connect (list, "row-activated", G_CALLBACK (row_activated_cb), NULL);
g_signal_connect (list, "row-selected", G_CALLBACK (row_selected_cb), NULL);
row = row_new ("blah4", 4);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
row3 = row = row_new ("blah3", 3);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
row = row_new ("blah1", 1);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
row = row_new ("blah2", 2);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
row = row_new (NULL, 0);
row_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
row_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
l = gtk_label_new ("da box for da man");
gtk_box_append (GTK_BOX (row_hbox), l);
check = gtk_check_button_new ();
gtk_box_append (GTK_BOX (row_hbox), check);
button = gtk_button_new_with_label ("ya!");
gtk_box_append (GTK_BOX (row_hbox), button);
gtk_box_append (GTK_BOX (row_vbox), row_hbox);
check = gtk_check_button_new ();
gtk_box_append (GTK_BOX (row_vbox), check);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), row_vbox);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
row = row_new (NULL, 0);
button = gtk_button_new_with_label ("focusable row");
gtk_widget_set_hexpand (button, FALSE);
gtk_widget_set_halign (button, GTK_ALIGN_START);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), button);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_append (GTK_BOX (hbox), vbox);
button = gtk_button_new_with_label ("sort");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (sort_clicked_cb), list);
button = gtk_button_new_with_label ("reverse");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (reverse_sort_clicked_cb), list);
button = gtk_button_new_with_label ("change");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (change_clicked_cb), row3);
button = gtk_button_new_with_label ("filter");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (filter_clicked_cb), list);
button = gtk_button_new_with_label ("unfilter");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (unfilter_clicked_cb), list);
button = gtk_button_new_with_label ("add");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (add_clicked_cb), list);
button = gtk_button_new_with_label ("separate");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (separate_clicked_cb), list);
button = gtk_button_new_with_label ("unseparate");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (unseparate_clicked_cb), list);
button = gtk_button_new_with_label ("visibility");
gtk_box_append (GTK_BOX (vbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (visibility_clicked_cb), row3);
gtk_window_present (GTK_WINDOW (window));
while (TRUE)
g_main_context_iteration (NULL, TRUE);
return 0;
}