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gtk/tests/testoverlay.c
Cosimo Cecchi 9c7b0f0491 overlay: remove gtk_overlay_add_pass_through_overlay() 
The API to access this functionality will be the setter we just added in
the previous commit.

https://bugzilla.gnome.org/show_bug.cgi?id=750568
2015-06-17 11:48:37 -07:00

575 lines
17 KiB
C
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#include <string.h>
#include <gtk/gtk.h>
/* test that margins and non-zero allocation x/y
* of the main widget are handled correctly
*/
static GtkWidget *
test_nonzerox (void)
{
GtkWidget *win;
GtkWidget *grid;
GtkWidget *overlay;
GtkWidget *text;
GtkWidget *child;
GdkRGBA color;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Non-zero X");
grid = gtk_grid_new ();
g_object_set (grid, "margin", 5, NULL);
gtk_container_add (GTK_CONTAINER (win), grid);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Above"), 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Below"), 1, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Left"), 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Right"), 2, 1, 1, 1);
overlay = gtk_overlay_new ();
gdk_rgba_parse (&color, "red");
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_widget_override_background_color (overlay, 0, &color);
G_GNUC_END_IGNORE_DEPRECATIONS
gtk_grid_attach (GTK_GRID (grid), overlay, 1, 1, 1, 1);
text = gtk_text_view_new ();
gtk_widget_set_size_request (text, 200, 200);
gtk_widget_set_hexpand (text, TRUE);
gtk_widget_set_vexpand (text, TRUE);
gtk_container_add (GTK_CONTAINER (overlay), text);
child = gtk_label_new ("I'm the overlay");
gtk_widget_set_halign (child, GTK_ALIGN_START);
gtk_widget_set_valign (child, GTK_ALIGN_START);
g_object_set (child, "margin", 3, NULL);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
child = gtk_label_new ("No, I'm the overlay");
gtk_widget_set_halign (child, GTK_ALIGN_END);
gtk_widget_set_valign (child, GTK_ALIGN_END);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 3, NULL);
return win;
}
static gboolean
get_child_position (GtkOverlay *overlay,
GtkWidget *widget,
GtkAllocation *alloc,
GtkWidget *relative)
{
GtkRequisition req;
GtkWidget *child;
GtkAllocation main_alloc;
gint x, y;
child = gtk_bin_get_child (GTK_BIN (overlay));
gtk_widget_translate_coordinates (relative, child, 0, 0, &x, &y);
main_alloc.x = x;
main_alloc.y = y;
main_alloc.width = gtk_widget_get_allocated_width (relative);
main_alloc.height = gtk_widget_get_allocated_height (relative);
gtk_widget_get_preferred_size (widget, NULL, &req);
alloc->x = main_alloc.x;
alloc->width = MIN (main_alloc.width, req.width);
if (gtk_widget_get_halign (widget) == GTK_ALIGN_END)
alloc->x += main_alloc.width - req.width;
alloc->y = main_alloc.y;
alloc->height = MIN (main_alloc.height, req.height);
if (gtk_widget_get_valign (widget) == GTK_ALIGN_END)
alloc->y += main_alloc.height - req.height;
return TRUE;
}
/* test custom positioning */
static GtkWidget *
test_relative (void)
{
GtkWidget *win;
GtkWidget *grid;
GtkWidget *overlay;
GtkWidget *text;
GtkWidget *child;
GdkRGBA color;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Custom positioning");
overlay = gtk_overlay_new ();
gdk_rgba_parse (&color, "yellow");
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_widget_override_background_color (overlay, 0, &color);
G_GNUC_END_IGNORE_DEPRECATIONS
gtk_container_add (GTK_CONTAINER (win), overlay);
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (overlay), grid);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Above"), 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Below"), 1, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Left"), 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Right"), 2, 1, 1, 1);
text = gtk_text_view_new ();
gtk_widget_set_size_request (text, 200, 200);
g_object_set (text, "margin", 5, NULL);
gtk_widget_set_hexpand (text, TRUE);
gtk_widget_set_vexpand (text, TRUE);
gtk_grid_attach (GTK_GRID (grid), text, 1, 1, 1, 1);
g_signal_connect (overlay, "get-child-position",
G_CALLBACK (get_child_position), text);
child = gtk_label_new ("Top left overlay");
gtk_widget_set_halign (child, GTK_ALIGN_START);
gtk_widget_set_valign (child, GTK_ALIGN_START);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 1, NULL);
child = gtk_label_new ("Bottom right overlay");
gtk_widget_set_halign (child, GTK_ALIGN_END);
gtk_widget_set_valign (child, GTK_ALIGN_END);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 1, NULL);
return win;
}
/* test GTK_ALIGN_FILL handling */
static GtkWidget *
test_fullwidth (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *text;
GtkWidget *child;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Full-width");
overlay = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (win), overlay);
text = gtk_text_view_new ();
gtk_widget_set_size_request (text, 200, 200);
gtk_widget_set_hexpand (text, TRUE);
gtk_widget_set_vexpand (text, TRUE);
gtk_container_add (GTK_CONTAINER (overlay), text);
child = gtk_label_new ("Fullwidth top overlay");
gtk_widget_set_halign (child, GTK_ALIGN_FILL);
gtk_widget_set_valign (child, GTK_ALIGN_START);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 4, NULL);
return win;
}
/* test that scrolling works as expected */
static GtkWidget *
test_scrolling (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *sw;
GtkWidget *text;
GtkWidget *child;
GtkTextBuffer *buffer;
gchar *contents;
gsize len;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Scrolling");
overlay = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (win), overlay);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (sw), 200);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 200);
gtk_container_add (GTK_CONTAINER (overlay), sw);
text = gtk_text_view_new ();
buffer = gtk_text_buffer_new (NULL);
if (!g_file_get_contents ("testoverlay.c", &contents, &len, NULL))
{
contents = g_strdup ("Text should go here...");
len = strlen (contents);
}
gtk_text_buffer_set_text (buffer, contents, len);
g_free (contents);
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), buffer);
gtk_widget_set_hexpand (text, TRUE);
gtk_widget_set_vexpand (text, TRUE);
gtk_container_add (GTK_CONTAINER (sw), text);
child = gtk_label_new ("This should be visible");
gtk_widget_set_halign (child, GTK_ALIGN_CENTER);
gtk_widget_set_valign (child, GTK_ALIGN_END);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 4, NULL);
return win;
}
static const gchar *buffer =
"<interface>"
" <object class='GtkWindow' id='window'>"
" <property name='title'>GtkBuilder support</property>"
" <child>"
" <object class='GtkOverlay' id='overlay'>"
" <child type='overlay'>"
" <object class='GtkLabel' id='overlay-child'>"
" <property name='label'>Witty remark goes here</property>"
" <property name='halign'>end</property>"
" <property name='valign'>end</property>"
" <property name='margin'>4</property>"
" </object>"
" </child>"
" <child>"
" <object class='GtkGrid' id='grid'>"
" <child>"
" <object class='GtkLabel' id='left'>"
" <property name='label'>Left</property>"
" </object>"
" <packing>"
" <property name='left_attach'>0</property>"
" <property name='top_attach'>0</property>"
" </packing>"
" </child>"
" <child>"
" <object class='GtkLabel' id='right'>"
" <property name='label'>Right</property>"
" </object>"
" <packing>"
" <property name='left_attach'>2</property>"
" <property name='top_attach'>0</property>"
" </packing>"
" </child>"
" <child>"
" <object class='GtkTextView' id='text'>"
" <property name='width-request'>200</property>"
" <property name='height-request'>200</property>"
" <property name='hexpand'>True</property>"
" <property name='vexpand'>True</property>"
" </object>"
" <packing>"
" <property name='left_attach'>1</property>"
" <property name='top_attach'>0</property>"
" </packing>"
" </child>"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>";
/* test that overlays can be constructed with GtkBuilder */
static GtkWidget *
test_builder (void)
{
GtkBuilder *builder;
GtkWidget *win;
GError *error;
builder = gtk_builder_new ();
error = NULL;
if (!gtk_builder_add_from_string (builder, buffer, -1, &error))
{
g_warning ("%s", error->message);
g_error_free (error);
return NULL;
}
win = (GtkWidget *)gtk_builder_get_object (builder, "window");
g_object_ref (win);
g_object_unref (builder);
return win;
}
static void
on_enter (GtkWidget *overlay, GdkEventCrossing *event, GtkWidget *child)
{
if (event->window != gtk_widget_get_window (child))
return;
if (gtk_widget_get_halign (child) == GTK_ALIGN_START)
gtk_widget_set_halign (child, GTK_ALIGN_END);
else
gtk_widget_set_halign (child, GTK_ALIGN_START);
gtk_widget_queue_resize (overlay);
}
static GtkWidget *
test_chase (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *sw;
GtkWidget *text;
GtkWidget *child;
GtkTextBuffer *buffer;
gchar *contents;
gsize len;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Chase");
overlay = gtk_overlay_new ();
gtk_widget_set_events (overlay, GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK);
gtk_container_add (GTK_CONTAINER (win), overlay);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (sw), 200);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 200);
gtk_container_add (GTK_CONTAINER (overlay), sw);
text = gtk_text_view_new ();
buffer = gtk_text_buffer_new (NULL);
if (!g_file_get_contents ("testoverlay.c", &contents, &len, NULL))
{
contents = g_strdup ("Text should go here...");
len = strlen (contents);
}
gtk_text_buffer_set_text (buffer, contents, len);
g_free (contents);
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), buffer);
gtk_widget_set_hexpand (text, TRUE);
gtk_widget_set_vexpand (text, TRUE);
gtk_container_add (GTK_CONTAINER (sw), text);
child = gtk_label_new ("Try to enter");
gtk_widget_set_halign (child, GTK_ALIGN_START);
gtk_widget_set_valign (child, GTK_ALIGN_END);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
g_object_set (child, "margin", 4, NULL);
g_signal_connect (overlay, "enter-notify-event",
G_CALLBACK (on_enter), child);
return win;
}
static GtkWidget *
test_stacking (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *main_child;
GtkWidget *label;
GtkWidget *child;
GtkWidget *grid;
GtkWidget *check1;
GtkWidget *check2;
GdkRGBA color;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Stacking");
grid = gtk_grid_new ();
overlay = gtk_overlay_new ();
main_child = gtk_event_box_new ();
gdk_rgba_parse (&color, "green");
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_widget_override_background_color (main_child, 0, &color);
G_GNUC_END_IGNORE_DEPRECATIONS
gtk_widget_set_hexpand (main_child, TRUE);
gtk_widget_set_vexpand (main_child, TRUE);
label = gtk_label_new ("Main child");
child = gtk_label_new ("Overlay");
gtk_widget_set_halign (child, GTK_ALIGN_END);
gtk_widget_set_valign (child, GTK_ALIGN_END);
check1 = gtk_check_button_new_with_label ("Show main");
g_object_bind_property (main_child, "visible", check1, "active", G_BINDING_BIDIRECTIONAL);
check2 = gtk_check_button_new_with_label ("Show overlay");
g_object_bind_property (child, "visible", check2, "active", G_BINDING_BIDIRECTIONAL);
gtk_container_add (GTK_CONTAINER (main_child), label);
gtk_container_add (GTK_CONTAINER (overlay), main_child);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), child);
gtk_grid_attach (GTK_GRID (grid), overlay, 1, 0, 1, 3);
gtk_container_add (GTK_CONTAINER (win), grid);
gtk_grid_attach (GTK_GRID (grid), check1, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), check2, 0, 1, 1, 1);
child = gtk_label_new ("");
gtk_widget_set_vexpand (child, TRUE);
gtk_grid_attach (GTK_GRID (grid), child, 0, 2, 1, 1);
return win;
}
static GtkWidget *
test_input_stacking (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *label, *entry;
GtkWidget *grid;
GtkWidget *button;
GtkWidget *vbox;
int i,j;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Input Stacking");
overlay = gtk_overlay_new ();
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (overlay), grid);
for (j = 0; j < 5; j++)
{
for (i = 0; i < 5; i++)
{
button = gtk_button_new_with_label (" ");
gtk_widget_set_hexpand (button, TRUE);
gtk_widget_set_vexpand (button, TRUE);
gtk_grid_attach (GTK_GRID (grid), button, i, j, 1, 1);
}
}
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), vbox);
gtk_overlay_set_overlay_pass_through (GTK_OVERLAY (overlay), vbox, TRUE);
gtk_widget_set_halign (vbox, GTK_ALIGN_CENTER);
gtk_widget_set_valign (vbox, GTK_ALIGN_CENTER);
label = gtk_label_new ("This is some overlaid text\n"
"It does not get input\n"
"But the entry does");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 8);
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 8);
gtk_container_add (GTK_CONTAINER (win), overlay);
return win;
}
static void
reorder_overlay (GtkButton *button, GtkOverlay *overlay)
{
gtk_overlay_reorder_overlay (overlay, gtk_widget_get_parent (GTK_WIDGET (button)), -1);
}
static GtkWidget *
test_child_order (void)
{
GtkWidget *win;
GtkWidget *overlay;
GtkWidget *button;
GtkWidget *label;
GtkWidget *ebox;
GdkRGBA color;
int i;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (win), "Child Order");
overlay = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (win), overlay);
for (i = 0; i < 4; i++)
{
char *colors[] = {
"rgba(255,0,0,0.8)", "rgba(0,255,0,0.8)", "rgba(0,0,255,0.8)", "rgba(255,0,255,0.8)"
};
ebox = gtk_event_box_new ();
button = gtk_button_new_with_label (g_strdup_printf ("Child %d", i));
g_signal_connect (button, "clicked", G_CALLBACK (reorder_overlay), overlay);
gtk_widget_set_margin_start (button, 20);
gtk_widget_set_margin_end (button, 20);
gtk_widget_set_margin_top (button, 10);
gtk_widget_set_margin_bottom (button, 10);
gtk_container_add (GTK_CONTAINER (ebox), button);
gdk_rgba_parse (&color, colors[i]);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_widget_override_background_color (ebox, 0, &color);
G_GNUC_END_IGNORE_DEPRECATIONS
gtk_widget_set_halign (ebox, (i == 0 || i == 3) ? GTK_ALIGN_START : GTK_ALIGN_END);
gtk_widget_set_valign (ebox, i < 2 ? GTK_ALIGN_START : GTK_ALIGN_END);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), ebox);
}
ebox = gtk_event_box_new ();
gdk_rgba_parse (&color, "white");
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_widget_override_background_color (ebox, 0, &color);
G_GNUC_END_IGNORE_DEPRECATIONS
label = gtk_label_new ("Main\n"
"Main\n"
"Main\n"
"Main\n");
gtk_container_add (GTK_CONTAINER (ebox), label);
gtk_container_add (GTK_CONTAINER (overlay), ebox);
return win;
}
int
main (int argc, char *argv[])
{
GtkWidget *win1;
GtkWidget *win2;
GtkWidget *win3;
GtkWidget *win4;
GtkWidget *win5;
GtkWidget *win6;
GtkWidget *win7;
GtkWidget *win8;
GtkWidget *win9;
gtk_init (&argc, &argv);
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
win1 = test_nonzerox ();
gtk_widget_show_all (win1);
win2 = test_relative ();
gtk_widget_show_all (win2);
win3 = test_fullwidth ();
gtk_widget_show_all (win3);
win4 = test_scrolling ();
gtk_widget_show_all (win4);
win5 = test_builder ();
gtk_widget_show_all (win5);
win6 = test_chase ();
gtk_widget_show_all (win6);
win7 = test_stacking ();
gtk_widget_show_all (win7);
win8 = test_input_stacking ();
gtk_widget_show_all (win8);
win9 = test_child_order ();
gtk_widget_show_all (win9);
gtk_main ();
return 0;
}
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