forked from AuroraMiddleware/gtk
386b63b85d
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.
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
#include <gtk/gtk.h>
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static void
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row_unrevealed (GObject *revealer, GParamSpec *pspec, gpointer data)
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{
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GtkWidget *row, *list;
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row = gtk_widget_get_parent (GTK_WIDGET (revealer));
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list = gtk_widget_get_parent (row);
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gtk_list_box_remove (GTK_LIST_BOX (list), row);
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}
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static void
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remove_this_row (GtkButton *button, GtkWidget *child)
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{
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GtkWidget *row, *revealer;
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row = gtk_widget_get_parent (child);
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revealer = gtk_revealer_new ();
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gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
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g_object_ref (child);
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gtk_box_remove (GTK_BOX (gtk_widget_get_parent (child)), child);
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gtk_revealer_set_child (GTK_REVEALER (revealer), child);
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g_object_unref (child);
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gtk_box_append (GTK_BOX (row), revealer);
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g_signal_connect (revealer, "notify::child-revealed",
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G_CALLBACK (row_unrevealed), NULL);
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gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), FALSE);
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}
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static GtkWidget *create_row (const gchar *label);
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static void
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row_revealed (GObject *revealer, GParamSpec *pspec, gpointer data)
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{
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GtkWidget *row, *child;
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row = gtk_widget_get_parent (GTK_WIDGET (revealer));
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child = gtk_revealer_get_child (GTK_REVEALER (revealer));
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g_object_ref (child);
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gtk_revealer_set_child (GTK_REVEALER (revealer), NULL);
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gtk_widget_unparent (GTK_WIDGET (revealer));
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gtk_box_append (GTK_BOX (row), child);
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g_object_unref (child);
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}
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static void
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add_row_below (GtkButton *button, GtkWidget *child)
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{
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GtkWidget *revealer, *row, *list;
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gint index;
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row = gtk_widget_get_parent (child);
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index = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (row));
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list = gtk_widget_get_parent (row);
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row = create_row ("Extra row");
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revealer = gtk_revealer_new ();
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gtk_revealer_set_child (GTK_REVEALER (revealer), row);
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g_signal_connect (revealer, "notify::child-revealed",
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G_CALLBACK (row_revealed), NULL);
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gtk_list_box_insert (GTK_LIST_BOX (list), revealer, index + 1);
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gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
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}
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static void
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add_separator (GtkListBoxRow *row, GtkListBoxRow *before, gpointer data)
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{
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if (!before)
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return;
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gtk_list_box_row_set_header (row, gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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}
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static GtkWidget *
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create_row (const gchar *text)
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{
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GtkWidget *row, *label, *button;
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row = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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label = gtk_label_new (text);
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gtk_box_append (GTK_BOX (row), label);
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button = gtk_button_new_with_label ("x");
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gtk_widget_set_hexpand (button, TRUE);
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gtk_widget_set_halign (button, GTK_ALIGN_END);
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_box_append (GTK_BOX (row), button);
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g_signal_connect (button, "clicked", G_CALLBACK (remove_this_row), row);
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button = gtk_button_new_with_label ("+");
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_box_append (GTK_BOX (row), button);
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g_signal_connect (button, "clicked", G_CALLBACK (add_row_below), row);
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return row;
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}
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static void
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quit_cb (GtkWidget *widget,
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gpointer data)
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{
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gboolean *done = data;
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*done = TRUE;
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g_main_context_wakeup (NULL);
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}
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int main (int argc, char *argv[])
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{
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GtkWidget *window, *list, *sw, *row;
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gint i;
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gchar *text;
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gboolean done = FALSE;
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gtk_init ();
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window = gtk_window_new ();
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gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
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list = gtk_list_box_new ();
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gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
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gtk_list_box_set_header_func (GTK_LIST_BOX (list), add_separator, NULL, NULL);
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sw = gtk_scrolled_window_new ();
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gtk_window_set_child (GTK_WINDOW (window), sw);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), list);
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for (i = 0; i < 20; i++)
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{
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text = g_strdup_printf ("Row %d", i);
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row = create_row (text);
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gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
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}
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g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
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gtk_widget_show (window);
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while (!done)
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g_main_context_iteration (NULL, TRUE);
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return 0;
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}
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