mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-15 05:00:09 +00:00
454 lines
13 KiB
C
454 lines
13 KiB
C
#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;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GtkWidget *win1;
|
|
GtkWidget *win2;
|
|
GtkWidget *win3;
|
|
GtkWidget *win4;
|
|
GtkWidget *win5;
|
|
GtkWidget *win6;
|
|
GtkWidget *win7;
|
|
|
|
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);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|