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testwindows: Test transparent backgrounds

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This commit is contained in:
Alexander Larsson 2011-12-01 14:09:52 +01:00
parent 7fd225c766
commit 9613e6ae19
2 changed files with 68 additions and 14 deletions
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4
gdk/gdkwindow.h
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@ -580,6 +580,10 @@ gboolean gdk_window_get_composited (GdkWindow *window);
void gdk_window_set_composited (GdkWindow *window,
gboolean composited);
gboolean gdk_window_get_layered (GdkWindow *window);
void gdk_window_set_layered (GdkWindow *window,
gboolean layered);
/*
* This routine allows you to merge (ie ADD) child shapes to your
* own window's shape keeping its current shape and ADDING the child

78
tests/testwindows.c
View File

@ -15,12 +15,12 @@ static GtkWidget *main_window;
GdkWindow *
create_window (GdkWindow *parent,
int x, int y, int w, int h,
GdkColor *color)
GdkRGBA *color)
{
GdkWindowAttr attributes;
gint attributes_mask;
GdkWindow *window;
GdkColor *bg;
GdkRGBA *bg;
attributes.x = x;
attributes.y = y;
@ -41,17 +41,18 @@ create_window (GdkWindow *parent,
window = gdk_window_new (parent, &attributes, attributes_mask);
gdk_window_set_user_data (window, darea);
bg = g_new (GdkColor, 1);
bg = g_new (GdkRGBA, 1);
if (color)
*bg = *color;
else
{
bg->red = g_random_int_range (0, 0xffff);
bg->blue = g_random_int_range (0, 0xffff);
bg->green = g_random_int_range (0, 0xffff);;
bg->red = g_random_double ();
bg->blue = g_random_double ();
bg->green = g_random_double ();
bg->alpha = 1.0;
}
gdk_window_set_background (window, bg);
gdk_window_set_background_rgba (window, bg);
g_object_set_data_full (G_OBJECT (window), "color", bg, g_free);
gdk_window_show (window);
@ -238,16 +239,16 @@ save_window (GString *s,
GdkWindow *window)
{
gint x, y;
GdkColor *color;
GdkRGBA *color;
gdk_window_get_position (window, &x, &y);
color = g_object_get_data (G_OBJECT (window), "color");
g_string_append_printf (s, "%d,%d %dx%d (%d,%d,%d) %d %d\n",
g_string_append_printf (s, "%d,%d %dx%d (%f,%f,%f,%f) %d %d\n",
x, y,
gdk_window_get_width (window),
gdk_window_get_height (window),
color->red, color->green, color->blue,
color->red, color->green, color->blue, color->alpha,
gdk_window_has_native (window),
g_list_length (gdk_window_peek_children (window)));
@ -330,21 +331,23 @@ destroy_children (GdkWindow *window)
static char **
parse_window (GdkWindow *parent, char **lines)
{
int x, y, w, h, r, g, b, native, n_children;
int x, y, w, h, native, n_children;
double r, g, b, a;
GdkWindow *window;
GdkColor color;
GdkRGBA color;
int i;
if (*lines == NULL)
return lines;
if (sscanf(*lines, "%d,%d %dx%d (%d,%d,%d) %d %d",
&x, &y, &w, &h, &r, &g, &b, &native, &n_children) == 9)
if (sscanf(*lines, "%d,%d %dx%d (%lf,%lf,%lf,%lf) %d %d",
&x, &y, &w, &h, &r, &g, &b, &a, &native, &n_children) == 10)
{
lines++;
color.red = r;
color.green = g;
color.blue = b;
color.alpha = a;
window = create_window (parent, x, y, w, h, &color);
if (native)
gdk_window_ensure_native (window);
@ -685,6 +688,39 @@ native_window_clicked (GtkWidget *button,
update_store ();
}
static void
alpha_clicked (GtkWidget *button,
gpointer data)
{
GList *selected, *l;
GdkWindow *window;
GdkRGBA *color;
selected = get_selected_windows ();
for (l = selected; l != NULL; l = l->next)
{
window = l->data;
color = g_object_get_data (G_OBJECT (window), "color");
if (GPOINTER_TO_INT(data) > 0)
color->alpha += 0.2;
else
color->alpha -= 0.2;
if (color->alpha < 0)
color->alpha = 0;
if (color->alpha > 1)
color->alpha = 1;
gdk_window_set_background_rgba (window, color);
}
g_list_free (selected);
update_store ();
}
static gboolean
darea_button_release_event (GtkWidget *widget,
GdkEventButton *event)
@ -956,6 +992,20 @@ main (int argc, char **argv)
gtk_grid_attach (GTK_GRID (grid), button, 3, 2, 1, 1);
gtk_widget_show (button);
button = gtk_button_new_with_label ("More transparent");
g_signal_connect (button, "clicked",
G_CALLBACK (alpha_clicked),
GINT_TO_POINTER (-1));
gtk_grid_attach (GTK_GRID (grid), button, 0, 3, 1, 1);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Less transparent");
g_signal_connect (button, "clicked",
G_CALLBACK (alpha_clicked),
GINT_TO_POINTER (1));
gtk_grid_attach (GTK_GRID (grid), button, 1, 3, 1, 1);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Restack above");
g_signal_connect (button, "clicked",
G_CALLBACK (restack_clicked),