forked from AuroraMiddleware/gtk
7332b4f1d9
This is useful for testing the interaction of arrows, shadows or offsets with popover positioning.
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
#include <gtk/gtk.h>
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static void
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update_offset (GObject *object,
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GParamSpec *pspec,
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GtkWidget *widget)
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{
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if (gtk_check_button_get_active (GTK_CHECK_BUTTON (object)))
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gtk_popover_set_offset (GTK_POPOVER (widget), 12, 12);
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else
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gtk_popover_set_offset (GTK_POPOVER (widget), 0, 0);
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}
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static void
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update_shadow (GObject *object,
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GParamSpec *pspec,
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GtkWidget *widget)
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{
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const char *classes[] = {
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"no-shadow",
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"shadow1",
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"shadow2",
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"shadow3",
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"shadow4",
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};
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guint selected;
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selected = gtk_drop_down_get_selected (GTK_DROP_DOWN (object));
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g_assert (selected < G_N_ELEMENTS (classes));
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for (int i = 0; i < G_N_ELEMENTS (classes); i++)
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gtk_widget_remove_css_class (widget, classes[i]);
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gtk_widget_add_css_class (widget, classes[selected]);
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}
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static const char css[] =
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"popover.no-shadow > contents { box-shadow: none; }\n"
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"popover.shadow1 > contents { box-shadow: 6px 6px rgba(128,0,255,0.5); }\n"
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"popover.shadow2 > contents { box-shadow: -6px -6px rgba(255,0,0,0.5), 6px 6px rgba(128,0,255,0.5); }\n"
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"popover.shadow3 > contents { box-shadow: -6px -6px rgba(255,0,0,0.5), 18px 18px rgba(128,0,255,0.5); }\n"
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"popover.shadow4 > contents { box-shadow: -18px -18px rgba(255,0,0,0.5), 18px 18px rgba(128,0,255,0.5); }\n";
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *box;
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GtkWidget *button;
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GtkWidget *popover;
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GtkWidget *box2;
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GtkWidget *box3;
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GtkWidget *checkbox;
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GtkWidget *checkbox2;
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GtkWidget *dropdown;
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GtkWidget *dropdown2;
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GtkCssProvider *provider;
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gtk_init ();
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provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_data (provider, css, -1);
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gtk_style_context_add_provider_for_display (gdk_display_get_default (),
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GTK_STYLE_PROVIDER (provider),
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800);
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window = gtk_window_new ();
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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g_object_set (box,
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"margin-top", 20,
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"margin-bottom", 20,
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"margin-start", 20,
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"margin-end", 20,
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NULL);
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button = gtk_menu_button_new ();
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gtk_widget_set_halign (button, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
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gtk_box_append (GTK_BOX (box), button);
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popover = gtk_popover_new ();
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box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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gtk_popover_set_child (GTK_POPOVER (popover), box2);
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gtk_box_append (GTK_BOX (box2), gtk_label_new ("First item"));
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gtk_box_append (GTK_BOX (box2), gtk_label_new ("Second item"));
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gtk_box_append (GTK_BOX (box2), gtk_label_new ("Third item"));
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gtk_menu_button_set_popover (GTK_MENU_BUTTON (button), popover);
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box3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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dropdown = gtk_drop_down_new_from_strings ((const char*[]){ "Left", "Right", "Top", "Bottom", NULL });
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gtk_drop_down_set_selected (GTK_DROP_DOWN (dropdown), 3);
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checkbox = gtk_check_button_new_with_label ("Arrow");
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checkbox2 = gtk_check_button_new_with_label ("Offset");
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dropdown2 = gtk_drop_down_new_from_strings ((const char*[]){ "No Shadow", "Shadow 1", "Shadow 2", "Shadow 3", "Shadow 4", NULL });
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gtk_box_append (GTK_BOX (box3), checkbox);
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gtk_box_append (GTK_BOX (box3), checkbox2);
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gtk_box_append (GTK_BOX (box3), dropdown);
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gtk_box_append (GTK_BOX (box3), dropdown2);
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gtk_box_append (GTK_BOX (box), box3);
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g_object_bind_property (checkbox, "active",
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popover, "has-arrow",
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G_BINDING_SYNC_CREATE);
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g_signal_connect (checkbox2, "notify::active",
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G_CALLBACK (update_offset), popover);
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g_object_bind_property (dropdown, "selected",
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popover, "position",
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G_BINDING_SYNC_CREATE);
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g_signal_connect (dropdown2, "notify::selected",
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G_CALLBACK (update_shadow), popover);
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update_shadow (G_OBJECT (dropdown2), NULL, popover);
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gtk_window_set_child (GTK_WINDOW (window), box);
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gtk_window_present (GTK_WINDOW (window));
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while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
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g_main_context_iteration (NULL, TRUE);
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return 0;
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}
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