268 lines
8.4 KiB
C
268 lines
8.4 KiB
C
#include <gtk/gtk.h>
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static GtkWidget *
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oriented_test_widget (const gchar *label, const gchar *color, gdouble angle)
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{
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GtkWidget *box;
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GtkWidget *widget;
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GdkRGBA c;
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widget = gtk_label_new (label);
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gtk_label_set_angle (GTK_LABEL (widget), angle);
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box = gtk_event_box_new ();
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gdk_rgba_parse (&c, color);
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gtk_widget_override_background_color (box, 0, &c);
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gtk_container_add (GTK_CONTAINER (box), widget);
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return box;
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}
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static GtkWidget *
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test_widget (const gchar *label, const gchar *color)
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{
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return oriented_test_widget (label, color, 0.0);
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}
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static GtkOrientation o;
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static gboolean
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toggle_orientation (GtkWidget *window, GdkEventButton *event, GtkGrid *grid)
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{
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o = 1 - o;
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gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), o);
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return FALSE;
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}
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static void
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simple_grid (void)
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{
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GtkWidget *window;
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GtkWidget *grid;
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GtkWidget *child;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Orientation");
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (window), grid);
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g_signal_connect (window, "button-press-event", G_CALLBACK (toggle_orientation), grid);
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gtk_grid_set_column_spacing (GTK_GRID (grid), 5);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 5);
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gtk_container_add (GTK_CONTAINER (grid), test_widget ("1", "red"));
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gtk_container_add (GTK_CONTAINER (grid), test_widget ("2", "green"));
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gtk_container_add (GTK_CONTAINER (grid), test_widget ("3", "blue"));
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child = test_widget ("4", "green");
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gtk_grid_attach (GTK_GRID (grid), child, 0, 1, 1, 1);
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gtk_widget_set_vexpand (child, TRUE);
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gtk_grid_attach_next_to (GTK_GRID (grid), test_widget ("5", "blue"), child, GTK_POS_RIGHT, 2, 1);
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child = test_widget ("6", "yellow");
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gtk_grid_attach (GTK_GRID (grid), child, -1, 0, 1, 2);
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gtk_widget_set_hexpand (child, TRUE);
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gtk_widget_show_all (window);
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}
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static void
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text_grid (void)
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{
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GtkWidget *window;
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GtkWidget *grid;
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GtkWidget *paned1;
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GtkWidget *box;
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GtkWidget *label;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Height-for-Width");
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paned1 = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
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gtk_container_add (GTK_CONTAINER (window), paned1);
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_paned_pack1 (GTK_PANED (paned1), box, TRUE, FALSE);
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gtk_paned_pack2 (GTK_PANED (paned1), gtk_label_new ("Space"), TRUE, FALSE);
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grid = gtk_grid_new ();
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gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
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gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Above"));
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gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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gtk_container_add (GTK_CONTAINER (box), grid);
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gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Below"));
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label = gtk_label_new ("Some text that may wrap if it has to");
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
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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), test_widget ("1", "red"), 1, 0, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "blue"), 0, 1, 1, 1);
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label = gtk_label_new ("Some text that may wrap if it has to");
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gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
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gtk_widget_show_all (window);
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}
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static void
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box_comparison (void)
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{
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GtkWidget *window;
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GtkWidget *vbox;
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GtkWidget *box;
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GtkWidget *label;
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GtkWidget *grid;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Grid vs. Box");
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
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gtk_container_add (GTK_CONTAINER (window), vbox);
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gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Above"));
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gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_container_add (GTK_CONTAINER (vbox), box);
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gtk_box_pack_start (GTK_BOX (box), test_widget ("1", "white"), FALSE, FALSE, 0);
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label = gtk_label_new ("Some ellipsizing text");
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gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (box), test_widget ("2", "green"), FALSE, FALSE, 0);
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label = gtk_label_new ("Some text that may wrap if needed");
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gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (box), test_widget ("3", "red"), FALSE, FALSE, 0);
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grid = gtk_grid_new ();
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gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
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gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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gtk_container_add (GTK_CONTAINER (vbox), grid);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("1", "white"), 0, 0, 1, 1);
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label = gtk_label_new ("Some ellipsizing text");
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gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_grid_attach (GTK_GRID (grid), label, 1, 0, 1, 1);
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gtk_widget_set_hexpand (label, TRUE);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "green"), 2, 0, 1, 1);
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label = gtk_label_new ("Some text that may wrap if needed");
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gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
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gtk_label_set_width_chars (GTK_LABEL (label), 10);
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gtk_grid_attach (GTK_GRID (grid), label, 3, 0, 1, 1);
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gtk_widget_set_hexpand (label, TRUE);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("3", "red"), 4, 0, 1, 1);
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gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Below"));
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gtk_widget_show_all (window);
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}
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static void
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empty_line (void)
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{
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GtkWidget *window;
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GtkWidget *grid;
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GtkWidget *child;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Empty row");
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (window), grid);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
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gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
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child = test_widget ("(0, 0)", "red");
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gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
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gtk_widget_set_hexpand (child, TRUE);
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gtk_widget_set_vexpand (child, TRUE);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 0)", "green"), 10, 0, 1, 1);
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gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 1)", "magenta"), 10, 1, 1, 1);
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gtk_widget_show_all (window);
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}
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static void
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scrolling (void)
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{
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GtkWidget *window;
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GtkWidget *sw;
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GtkWidget *viewport;
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GtkWidget *grid;
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GtkWidget *child;
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gint i;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Scrolling");
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sw = gtk_scrolled_window_new (NULL, NULL);
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viewport = gtk_viewport_new (NULL, NULL);
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (window), sw);
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gtk_container_add (GTK_CONTAINER (sw), viewport);
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gtk_container_add (GTK_CONTAINER (viewport), grid);
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child = oriented_test_widget ("#800080", "#800080", -45.0);
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gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
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gtk_widget_set_hexpand (child, TRUE);
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gtk_widget_set_vexpand (child, TRUE);
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for (i = 1; i < 16; i++)
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{
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gchar *color;
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color = g_strdup_printf ("#%02x00%02x", 128 + 8*i, 128 - 8*i);
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child = test_widget (color, color);
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gtk_grid_attach (GTK_GRID (grid), child, 0, i, i + 1, 1);
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gtk_widget_set_hexpand (child, TRUE);
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g_free (color);
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}
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for (i = 1; i < 16; i++)
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{
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gchar *color;
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color = g_strdup_printf ("#%02x00%02x", 128 - 8*i, 128 + 8*i);
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child = oriented_test_widget (color, color, -90.0);
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gtk_grid_attach (GTK_GRID (grid), child, i, 0, 1, i);
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gtk_widget_set_vexpand (child, TRUE);
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g_free (color);
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}
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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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gtk_init (NULL, NULL);
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if (g_getenv ("RTL"))
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gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
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simple_grid ();
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text_grid ();
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box_comparison ();
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empty_line ();
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scrolling ();
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gtk_main ();
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return 0;
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}
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