Learning_GTK4_tree/tests/testoutsetshadowdrawing.c

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2023-12-12 11:36:42 +01:00
#include<gtk/gtk.h>
/*#define COLOR " #0f0;"*/
#define COLOR " red;"
static const char *css =
" window { background-color: white; }\n"
".one {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" box-shadow: -10px -20px 5px 40px" COLOR
"}"
".two {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" box-shadow: -10px -20px 0px 40px" COLOR
"}"
".three {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" border-radius: 0px;"
" box-shadow: 0px 0px 10px 20px" COLOR
"}"
".four {"
" all: unset;"
" min-width: 100px;"
" min-height: 100px;"
" box-shadow: 10px 20px 5px 40px" COLOR
" border-radius: 30px; "
" margin-right: 50px;"
"}"
".five {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" border-radius: 30px; "
" box-shadow: 10px 20px 0px 40px" COLOR
"}"
/* This is the default CSD drop shadow from (current) Adwaita */
".b1 {"
" all: unset;"
" min-width: 100px;"
" min-height: 100px;"
" border-radius: 7px 7px 0px 0px;"
" box-shadow: 0px 0px 9px 0px rgba(0, 0, 0, 0.5);"
"}"
#if 0
".b2 {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" border-radius: 7px 7px 0 0;"
" box-shadow: 0 0 0 30px green;"
"}"
".b3 {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" border-right: 30px solid blue;"
" border-radius: 40px;"
"}"
".b4 {"
" all: unset;"
" min-width: 100px;"
" min-height:100px;"
" border-bottom: 30px solid blue;"
" border-radius: 40px;"
"}"
#endif
""
;
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *box;
GtkWidget *top;
GtkWidget *bottom;
GtkWidget *w;
GtkCssProvider *provider;
gboolean done = FALSE;
gtk_init ();
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_string (provider, css);
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
window = gtk_window_new ();
gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 120);
top = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 120);
bottom = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 120);
gtk_widget_set_margin_start (box, 120);
gtk_widget_set_margin_end (box, 120);
gtk_widget_set_margin_top (box, 120);
gtk_widget_set_margin_bottom (box, 120);
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "one");
gtk_box_append (GTK_BOX (top), w);
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "two");
gtk_box_append (GTK_BOX (top), w);
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "three");
gtk_widget_set_opacity (w, 0.7);
gtk_box_append (GTK_BOX (top), w);
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "four");
gtk_box_append (GTK_BOX (top), w);
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "five");
gtk_box_append (GTK_BOX (top), w);
/* Bottom */
w = gtk_button_new ();
gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
gtk_widget_add_css_class (w, "b1");
gtk_box_append (GTK_BOX (bottom), w);
/*w = gtk_button_new ();*/
/*gtk_widget_set_valign (w, GTK_ALIGN_CENTER);*/
/*gtk_widget_add_css_class (w, "b2");*/
/*gtk_box_append (GTK_BOX (bottom), w);*/
/*w = gtk_button_new ();*/
/*gtk_widget_set_valign (w, GTK_ALIGN_CENTER);*/
/*gtk_widget_add_css_class (w, "b3");*/
/*gtk_box_append (GTK_BOX (bottom), w);*/
/*w = gtk_button_new ();*/
/*gtk_widget_set_valign (w, GTK_ALIGN_CENTER);*/
/*gtk_widget_add_css_class (w, "b4");*/
/*gtk_box_append (GTK_BOX (bottom), w);*/
gtk_box_append (GTK_BOX (box), top);
gtk_box_append (GTK_BOX (box), bottom);
gtk_window_set_child (GTK_WINDOW (window), box);
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_present (GTK_WINDOW (window));
while (!done)
g_main_context_iteration (NULL, TRUE);
}