[tepl] SpaceDrawerPrefs: interactive test

[Sébastien Wilmet <swilmet src gnome org>]

commit 3c9d11a4dc9bc21f1733a0d9a237865f09d5635f
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Sep 20 17:33:39 2020 +0200

    SpaceDrawerPrefs: interactive test

 tests/meson.build               |   1 +
 tests/test-space-drawer-prefs.c | 161 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 162 insertions(+)
---
diff --git a/tests/meson.build b/tests/meson.build
index ab9d15b..cf9b27c 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -1,6 +1,7 @@
 interactive_tests = [
   # executable name, sources
   ['test-fold-region', 'test-fold-region.c'],
+  ['test-space-drawer-prefs', 'test-space-drawer-prefs.c'],
   ['test-tab', 'test-tab.c'],
 
   ['test-gutter-renderer-folds',
diff --git a/tests/test-space-drawer-prefs.c b/tests/test-space-drawer-prefs.c
new file mode 100644
index 0000000..f1d5336
--- /dev/null
+++ b/tests/test-space-drawer-prefs.c
@@ -0,0 +1,161 @@
+/* SPDX-FileCopyrightText: 2020 - Sébastien Wilmet <swilmet gnome org>
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ */
+
+#include <tepl/tepl.h>
+
+typedef struct
+{
+       GtkWindow *window;
+       TeplSpaceDrawerPrefs *space_drawer_prefs;
+       GtkDialog *dialog;
+       TeplTab *tab;
+} SmallTest;
+
+static void
+init_space_drawer_prefs (SmallTest *self)
+{
+       g_assert (self->space_drawer_prefs == NULL);
+
+       self->space_drawer_prefs = tepl_space_drawer_prefs_new ();
+       gtk_widget_show (GTK_WIDGET (self->space_drawer_prefs));
+}
+
+static void
+init_dialog (SmallTest *self)
+{
+       GtkWidget *content_area;
+
+       g_assert (self->dialog == NULL);
+       g_assert (self->window != NULL);
+       g_assert (self->space_drawer_prefs != NULL);
+
+       self->dialog = GTK_DIALOG (gtk_dialog_new_with_buttons ("Space Drawing Preferences",
+                                                               self->window,
+                                                               GTK_DIALOG_DESTROY_WITH_PARENT |
+                                                               GTK_DIALOG_USE_HEADER_BAR,
+                                                               NULL, NULL));
+
+       content_area = gtk_dialog_get_content_area (self->dialog);
+       gtk_container_add (GTK_CONTAINER (content_area), GTK_WIDGET (self->space_drawer_prefs));
+
+       g_signal_connect (self->dialog,
+                         "delete-event",
+                         G_CALLBACK (gtk_widget_hide_on_delete),
+                         NULL);
+}
+
+static void
+init_tab (SmallTest *self)
+{
+       GtkSourceView *view;
+       GtkSourceSpaceDrawer *space_drawer;
+       GtkTextBuffer *buffer;
+
+       g_assert (self->tab == NULL);
+
+       self->tab = tepl_tab_new ();
+       gtk_widget_show (GTK_WIDGET (self->tab));
+
+       view = GTK_SOURCE_VIEW (tepl_tab_get_view (self->tab));
+       gtk_text_view_set_monospace (GTK_TEXT_VIEW (view), TRUE);
+
+       space_drawer = gtk_source_view_get_space_drawer (view);
+       gtk_source_space_drawer_set_enable_matrix (space_drawer, TRUE);
+
+       buffer = GTK_TEXT_BUFFER (tepl_tab_get_buffer (self->tab));
+       gtk_text_buffer_set_text (buffer,
+                                 "\tTab\tTab\t\n"
+                                 " Space Space \n"
+                                 "\xC2\xA0No-Break Space\xC2\xA0No-Break Space\xC2\xA0\n"
+                                 "\xE2\x80\xAFNarrow No-Break Space\xE2\x80\xAFNarrow No-Break 
Space\xE2\x80\xAF",
+                                 -1);
+}
+
+static void
+button_clicked_cb (GtkButton *button,
+                  SmallTest *self)
+{
+       gtk_widget_show (GTK_WIDGET (self->dialog));
+}
+
+static GtkWidget *
+create_button (SmallTest *self)
+{
+       GtkWidget *button;
+
+       button = gtk_button_new_with_label ("Space drawing preferences");
+
+       g_signal_connect (button,
+                         "clicked",
+                         G_CALLBACK (button_clicked_cb),
+                         self);
+
+       return button;
+}
+
+static GtkGrid *
+create_main_vgrid (SmallTest *self)
+{
+       GtkGrid *main_vgrid;
+
+       main_vgrid = GTK_GRID (gtk_grid_new ());
+       gtk_orientable_set_orientation (GTK_ORIENTABLE (main_vgrid), GTK_ORIENTATION_VERTICAL);
+       gtk_grid_set_row_spacing (main_vgrid, 6);
+
+       g_object_set (main_vgrid,
+                     "margin", 6,
+                     NULL);
+
+       gtk_container_add (GTK_CONTAINER (main_vgrid), create_button (self));
+       gtk_container_add (GTK_CONTAINER (main_vgrid), GTK_WIDGET (self->tab));
+
+       return main_vgrid;
+}
+
+static void
+bind_matrix_properties (SmallTest *self)
+{
+       GtkSourceSpaceDrawer *prefs_space_drawer;
+       GtkSourceView *view;
+       GtkSourceSpaceDrawer *view_space_drawer;
+
+       prefs_space_drawer = tepl_space_drawer_prefs_get_space_drawer (self->space_drawer_prefs);
+
+       view = GTK_SOURCE_VIEW (tepl_tab_get_view (self->tab));
+       view_space_drawer = gtk_source_view_get_space_drawer (view);
+
+       g_object_bind_property (prefs_space_drawer, "matrix",
+                               view_space_drawer, "matrix",
+                               G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
+}
+
+static void
+init_window (SmallTest *self)
+{
+       self->window = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
+       gtk_window_set_default_size (self->window, 500, 500);
+       g_signal_connect (self->window, "destroy", gtk_main_quit, NULL);
+
+       init_space_drawer_prefs (self);
+       init_dialog (self);
+       init_tab (self);
+
+       bind_matrix_properties (self);
+
+       gtk_container_add (GTK_CONTAINER (self->window), GTK_WIDGET (create_main_vgrid (self)));
+       gtk_widget_show_all (GTK_WIDGET (self->window));
+}
+
+int
+main (int    argc,
+      char **argv)
+{
+       SmallTest self = { NULL };
+
+       gtk_init (&argc, &argv);
+       init_window (&self);
+       gtk_main ();
+
+       return EXIT_SUCCESS;
+}