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/* Cursors
*
* Demonstrates a useful set of available cursors.
*/
#include <gtk/gtk.h>
static void
set_cursor (GtkWidget *button, gpointer data)
{
GtkWidget *toplevel;
GdkCursor *cursor = data;
GdkWindow *window;
toplevel = gtk_widget_get_toplevel (button);
window = gtk_widget_get_window (toplevel);
gdk_window_set_cursor (window, cursor);
}
static GtkWidget *
add_section (GtkWidget *box,
const gchar *heading)
{
GtkWidget *label;
GtkWidget *section;
label = gtk_label_new (heading);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_widget_set_margin_top (label, 10);
gtk_widget_set_margin_bottom (label, 10);
gtk_box_pack_start (GTK_BOX (box), label);
section = gtk_flow_box_new ();
gtk_widget_set_halign (section, GTK_ALIGN_START);
gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (section), GTK_SELECTION_NONE);
gtk_flow_box_set_min_children_per_line (GTK_FLOW_BOX (section), 2);
gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (section), 20);
gtk_box_pack_start (GTK_BOX (box), section);
return section;
}
static void
add_button (GtkWidget *section,
const gchar *css_name)
{
GtkWidget *image, *button;
GdkDisplay *display;
GdkCursor *cursor;
display = gtk_widget_get_display (section);
cursor = gdk_cursor_new_from_name (display, css_name);
if (cursor == NULL)
image = gtk_image_new_from_icon_name ("image-missing", GTK_ICON_SIZE_MENU);
else
{
gchar *path;
path = g_strdup_printf ("/cursors/%s_cursor.png", css_name);
g_strdelimit (path, "-", '_');
image = gtk_image_new_from_resource (path);
g_free (path);
}
gtk_widget_set_size_request (image, 32, 32);
button = gtk_button_new ();
gtk_container_add (GTK_CONTAINER (button), image);
gtk_style_context_add_class (gtk_widget_get_style_context (button), "image-button");
g_signal_connect (button, "clicked", G_CALLBACK (set_cursor), cursor);
gtk_widget_set_tooltip_text (button, css_name);
gtk_container_add (GTK_CONTAINER (section), button);
}
GtkWidget *
do_cursors (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkWidget *sw;
GtkWidget *box;
GtkWidget *section;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Cursors");
gtk_window_set_default_size (GTK_WINDOW (window), 500, 500);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&window);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (window), sw);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
g_object_set (box,
"margin-start", 20,
"margin-end", 20,
"margin-bottom", 10,
NULL);
gtk_container_add (GTK_CONTAINER (sw), box);
section = add_section (box, "General");
add_button (section, "default");
add_button (section, "none");
section = add_section (box, "Link & Status");
add_button (section, "context-menu");
add_button (section, "help");
add_button (section, "pointer");
add_button (section, "progress");
add_button (section, "wait");
section = add_section (box, "Selection");
add_button (section, "cell");
add_button (section, "crosshair");
add_button (section, "text");
add_button (section, "vertical-text");
section = add_section (box, "Drag & Drop");
add_button (section, "alias");
add_button (section, "copy");
add_button (section, "move");
add_button (section, "no-drop");
add_button (section, "not-allowed");
add_button (section, "grab");
add_button (section, "grabbing");
section = add_section (box, "Resize & Scrolling");
add_button (section, "all-scroll");
add_button (section, "col-resize");
add_button (section, "row-resize");
add_button (section, "n-resize");
add_button (section, "e-resize");
add_button (section, "s-resize");
add_button (section, "w-resize");
add_button (section, "ne-resize");
add_button (section, "nw-resize");
add_button (section, "se-resize");
add_button (section, "sw-resize");
add_button (section, "ew-resize");
add_button (section, "ns-resize");
add_button (section, "nesw-resize");
add_button (section, "nwse-resize");
section = add_section (box, "Zoom");
add_button (section, "zoom-in");
add_button (section, "zoom-out");
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
return window;
}
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