[libadwaita/wip/exalm/tests: 2/2] tests: Add a button states test

[Alexander Mikhaylenko <alexm src gnome org>]

commit ed77bb38f375da647a5fa11b77ddde5369e74da1
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Oct 27 12:23:07 2021 +0500

    tests: Add a button states test
    
    This was one of the demos written before 1.0 that was never properly
    included.

 meson.build                |  1 +
 tests/meson.build          | 19 ++++++++++
 tests/test-button-states.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 114 insertions(+)
---
diff --git a/meson.build b/meson.build
index dc0015de..8061ffeb 100644
--- a/meson.build
+++ b/meson.build
@@ -134,6 +134,7 @@ subdir('src')
 subdir('po')
 subdir('demo')
 subdir('examples')
+subdir('tests')
 subdir('testsuite')
 subdir('doc')
 
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 00000000..dbf954dc
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,19 @@
+if get_option('tests')
+
+test_cflags = [
+  '-DADW_LOG_DOMAIN="Adwaita"',
+  '-DTEST_DATA_DIR="@0@/data"'.format(meson.current_source_dir()),
+]
+
+test_names = [
+  'test-button-states',
+]
+
+foreach test_name : test_names
+  executable(test_name,
+             [test_name + '.c'] + libadwaita_generated_headers,
+             c_args: test_cflags,
+             dependencies: libadwaita_deps + [libadwaita_dep])
+endforeach
+
+endif
diff --git a/tests/test-button-states.c b/tests/test-button-states.c
new file mode 100644
index 00000000..d2b3b93b
--- /dev/null
+++ b/tests/test-button-states.c
@@ -0,0 +1,94 @@
+#include <adwaita.h>
+
+static inline void
+add_button (GtkGrid       *grid,
+            int            column,
+            int            row,
+            GtkStateFlags  flags,
+            const char    *style_class)
+{
+  GtkWidget *button;
+  button = gtk_button_new_with_label ("button");
+  gtk_widget_set_state_flags (button, flags, FALSE);
+  if (style_class)
+    gtk_widget_add_css_class (button, style_class);
+  gtk_grid_attach (grid, button, column, row, 1, 1);
+}
+
+static void
+create_column (GtkGrid       *grid,
+               int            column,
+               const char    *name,
+               GtkStateFlags  flags)
+{
+  int row = 0;
+
+  GtkWidget *label = gtk_label_new (name);
+  gtk_grid_attach (grid, label, column, row++, 1, 1);
+
+  add_button (grid, column, row++, flags, NULL);
+  add_button (grid, column, row++, flags, "flat");
+  add_button (grid, column, row++, flags, "suggested-action");
+  add_button (grid, column, row++, flags, "destructive-action");
+  add_button (grid, column, row++, flags, "osd");
+  add_button (grid, column, row++, flags, "card");
+}
+
+static void
+create_buttons (GtkGrid *grid)
+{
+  int column = 0;
+
+  create_column (grid, column++, NULL,         GTK_STATE_FLAG_NORMAL);
+  create_column (grid, column++, "hover",      GTK_STATE_FLAG_PRELIGHT);
+  create_column (grid, column++, "h:active",   GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_ACTIVE);
+  create_column (grid, column++, "focus",      GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_FOCUS_VISIBLE);
+  create_column (grid, column++, "checked",    GTK_STATE_FLAG_CHECKED);
+  create_column (grid, column++, "c:hover",    GTK_STATE_FLAG_CHECKED | GTK_STATE_FLAG_PRELIGHT);
+  create_column (grid, column++, "c:h:active", GTK_STATE_FLAG_CHECKED | GTK_STATE_FLAG_PRELIGHT | 
GTK_STATE_FLAG_ACTIVE);
+  create_column (grid, column++, "c:focus",    GTK_STATE_FLAG_CHECKED | GTK_STATE_FLAG_FOCUSED | 
GTK_STATE_FLAG_FOCUS_VISIBLE);
+  create_column (grid, column++, "disabled",   GTK_STATE_FLAG_INSENSITIVE);
+  create_column (grid, column++, "d:checked",  GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_CHECKED);
+  create_column (grid, column++, "drop",       GTK_STATE_FLAG_DROP_ACTIVE);
+}
+
+static void
+close_cb (gboolean *done)
+{
+  *done = TRUE;
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+  GtkWidget *window, *grid;
+  gboolean done = FALSE;
+
+  adw_init ();
+
+  grid = gtk_grid_new ();
+  gtk_widget_set_can_target (grid, FALSE);
+  gtk_widget_set_can_focus (grid, FALSE);
+  gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
+  gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
+  gtk_widget_set_margin_top (grid, 6);
+  gtk_widget_set_margin_bottom (grid, 6);
+  gtk_widget_set_margin_start (grid, 6);
+  gtk_widget_set_margin_end (grid, 6);
+  gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
+  gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
+
+  create_buttons(GTK_GRID (grid));
+
+  window = gtk_window_new ();
+  g_signal_connect_swapped (window, "destroy", G_CALLBACK (close_cb), &done);
+  gtk_window_set_title (GTK_WINDOW (window), "Button States");
+  gtk_window_set_child (GTK_WINDOW (window), grid);
+  gtk_window_present (GTK_WINDOW (window));
+
+  while (!done)
+    g_main_context_iteration (NULL, TRUE);
+
+  return 0;
+}