151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
#include <gtk/gtk.h>
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static void
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toggle_center (GtkCheckButton *button,
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GParamSpec *pspec,
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GtkActionBar *bar)
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{
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
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{
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GtkWidget *button;
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button = gtk_button_new_with_label ("Center");
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gtk_widget_show (button);
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gtk_action_bar_set_center_widget (bar, button);
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}
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else
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{
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gtk_action_bar_set_center_widget (bar, NULL);
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}
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}
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static void
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create_widgets (GtkActionBar *bar,
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GtkPackType pack_type,
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gint n)
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{
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GList *children, *l;
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GtkWidget *child;
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gint i;
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gchar *label;
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children = gtk_container_get_children (GTK_CONTAINER (bar));
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for (l = children; l; l = l->next)
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{
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GtkPackType type;
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child = l->data;
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gtk_container_child_get (GTK_CONTAINER (bar), child, "pack-type", &type, NULL);
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if (type == pack_type)
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gtk_container_remove (GTK_CONTAINER (bar), child);
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}
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g_list_free (children);
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for (i = 0; i < n; i++)
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{
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label = g_strdup_printf ("%d", i);
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child = gtk_button_new_with_label (label);
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g_free (label);
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gtk_widget_show (child);
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if (pack_type == GTK_PACK_START)
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gtk_action_bar_pack_start (bar, child);
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else
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gtk_action_bar_pack_end (bar, child);
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}
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}
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static void
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change_start (GtkSpinButton *button,
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GParamSpec *pspec,
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GtkActionBar *bar)
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{
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create_widgets (bar,
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GTK_PACK_START,
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gtk_spin_button_get_value_as_int (button));
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}
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static void
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change_end (GtkSpinButton *button,
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GParamSpec *pspec,
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GtkActionBar *bar)
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{
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create_widgets (bar,
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GTK_PACK_END,
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gtk_spin_button_get_value_as_int (button));
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}
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static void
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activate (GApplication *gapp)
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{
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GtkApplication *app = GTK_APPLICATION (gapp);
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GtkWidget *window;
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GtkWidget *box;
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GtkWidget *grid;
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GtkWidget *label;
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GtkWidget *spin;
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GtkWidget *check;
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GtkWidget *bar;
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GtkWidget *frame;
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window = gtk_application_window_new (app);
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gtk_application_add_window (app, GTK_WINDOW (window));
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bar = gtk_action_bar_new ();
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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grid = gtk_grid_new ();
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g_object_set (grid,
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"halign", GTK_ALIGN_CENTER,
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"margin", 20,
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"row-spacing", 12,
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"column-spacing", 12,
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NULL);
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gtk_box_pack_start (GTK_BOX (box), grid, FALSE, FALSE, 0);
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label = gtk_label_new ("Start");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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spin = gtk_spin_button_new_with_range (0, 10, 1);
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g_signal_connect (spin, "notify::value",
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G_CALLBACK (change_start), bar);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), spin, 1, 0, 1, 1);
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label = gtk_label_new ("Center");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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check = gtk_check_button_new ();
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g_signal_connect (check, "notify::active",
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G_CALLBACK (toggle_center), bar);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), check, 1, 1, 1, 1);
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label = gtk_label_new ("End");
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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spin = gtk_spin_button_new_with_range (0, 10, 1);
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g_signal_connect (spin, "notify::value",
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G_CALLBACK (change_end), bar);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), spin, 1, 2, 1, 1);
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frame = gtk_frame_new (NULL);
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gtk_widget_set_halign (frame, GTK_ALIGN_FILL);
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gtk_widget_set_valign (frame, GTK_ALIGN_END);
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gtk_container_add (GTK_CONTAINER (frame), bar);
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gtk_box_pack_start (GTK_BOX (box), frame, TRUE, TRUE, 0);
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gtk_container_add (GTK_CONTAINER (window), box);
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gtk_widget_show_all (window);
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}
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int
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main (int argc, char *argv[])
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{
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GtkApplication *app;
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app = gtk_application_new ("org.gtk.Test.ActionBar", 0);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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return g_application_run (G_APPLICATION (app), argc, argv);
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}
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