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[libegg/spread-table-dnd] Added separate test case for EggSpreadTableDnd.

commit 9697ff4ae6dc4f36390238552d2b699b6258b2b8
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Mon Apr 11 16:08:01 2011 +0900

    Added separate test case for EggSpreadTableDnd.

 libegg/spreadtable/Makefile.am          |    7 +-
 libegg/spreadtable/testspreadtable.c    |   23 +--
 libegg/spreadtable/testspreadtablednd.c |  364 +++++++++++++++++++++++++++++++
 3 files changed, 372 insertions(+), 22 deletions(-)
---
diff --git a/libegg/spreadtable/Makefile.am b/libegg/spreadtable/Makefile.am
index 06d6c8e..9eb20b8 100644
--- a/libegg/spreadtable/Makefile.am
+++ b/libegg/spreadtable/Makefile.am
@@ -28,13 +28,16 @@ noinst_HEADERS = $(EGG_HEADERS)
 
 #Test program
 
-noinst_PROGRAMS = testspreadtable
+noinst_PROGRAMS = testspreadtable testspreadtablednd
 
 testspreadtable_SOURCES = testspreadtable.c
-
 testspreadtable_LDADD = $(EGG_30_LIBS) \
   $(top_builddir)/libegg/spreadtable/libegg-spreadtable.la
 
+testspreadtablednd_SOURCES = testspreadtablednd.c
+testspreadtablednd_LDADD = $(EGG_30_LIBS) \
+  $(top_builddir)/libegg/spreadtable/libegg-spreadtable.la
+
 
 #Marshallers rules
 eggmarshalers.h: eggmarshalers.list
diff --git a/libegg/spreadtable/testspreadtable.c b/libegg/spreadtable/testspreadtable.c
index fa9cfd5..2da5073 100644
--- a/libegg/spreadtable/testspreadtable.c
+++ b/libegg/spreadtable/testspreadtable.c
@@ -21,7 +21,6 @@
  */
 
 #include <eggspreadtable.h>
-#include <eggspreadtablednd.h>
 
 enum {
   IMAGE_NONE,
@@ -46,7 +45,7 @@ static void
 populate_spread_table_wrappy (EggSpreadTable *spread_table)
 {
   GList *children, *l;
-  GtkWidget *widget, *frame, *eventbox;
+  GtkWidget *widget, *frame;
   gsize i;
 
   const gchar *strings[] = {
@@ -72,13 +71,10 @@ populate_spread_table_wrappy (EggSpreadTable *spread_table)
     {
       widget = gtk_label_new (strings[i]);
       frame  = gtk_frame_new (NULL);
-      eventbox = gtk_event_box_new ();
       gtk_widget_show (widget);
       gtk_widget_show (frame);
-      gtk_widget_show (eventbox);
 
       gtk_container_add (GTK_CONTAINER (frame), widget);
-      gtk_container_add (GTK_CONTAINER (eventbox), frame);
 
       gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
       gtk_label_set_line_wrap_mode (GTK_LABEL (widget), PANGO_WRAP_WORD);
@@ -86,7 +82,7 @@ populate_spread_table_wrappy (EggSpreadTable *spread_table)
 
       gtk_widget_set_halign (frame, child_halign);
 
-      egg_spread_table_insert_child (EGG_SPREAD_TABLE (spread_table), eventbox, -1);
+      egg_spread_table_insert_child (EGG_SPREAD_TABLE (spread_table), frame, -1);
     }
 
   /* Insert an image into the mix */
@@ -211,7 +207,7 @@ create_window (void)
   gtk_widget_show (swindow);
   gtk_container_add (GTK_CONTAINER (frame), swindow);
 
-  paper = egg_spread_table_dnd_new (GTK_ORIENTATION_VERTICAL, INITIAL_LINES);
+  paper = egg_spread_table_new (GTK_ORIENTATION_VERTICAL, INITIAL_LINES);
   egg_spread_table_set_vertical_spacing (EGG_SPREAD_TABLE (paper), INITIAL_VSPACING);
   egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (paper), INITIAL_HSPACING);
   gtk_widget_show (paper);
@@ -372,19 +368,6 @@ create_window (void)
 
   populate_spread_table_wrappy (EGG_SPREAD_TABLE (paper));
 
-  /* Embed the whole thing once again */
-  widget = egg_spread_table_dnd_new (GTK_ORIENTATION_VERTICAL, INITIAL_LINES);
-  egg_spread_table_set_vertical_spacing (EGG_SPREAD_TABLE (widget), INITIAL_VSPACING);
-  egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (widget), INITIAL_HSPACING);
-
-  frame  = gtk_frame_new (NULL);
-  gtk_widget_show (widget);
-  gtk_widget_show (frame);
-  gtk_widget_set_size_request (widget, 40, 40);
-  gtk_container_add (GTK_CONTAINER (frame), widget);
-
-  egg_spread_table_insert_child (EGG_SPREAD_TABLE (paper), frame, 5);
-
   gtk_window_set_default_size (GTK_WINDOW (window), 500, 400);
 
   return window;
diff --git a/libegg/spreadtable/testspreadtablednd.c b/libegg/spreadtable/testspreadtablednd.c
new file mode 100644
index 0000000..bff5277
--- /dev/null
+++ b/libegg/spreadtable/testspreadtablednd.c
@@ -0,0 +1,364 @@
+/* testspreadtable.c
+ * Copyright (C) 2010 Openismus GmbH
+ *
+ * Author:
+ *      Tristan Van Berkom <tristanvb openismus com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <eggspreadtablednd.h>
+
+#define INITIAL_HSPACING        2
+#define INITIAL_VSPACING        2
+#define INITIAL_LINES           3
+#define INITIAL_HALIGN          GTK_ALIGN_FILL
+
+static GtkWidget *paper = NULL;
+static GtkAlign   child_halign     = INITIAL_HALIGN;
+static gboolean   child_accepts_drops = TRUE;
+static gboolean   parent_accepts_drops = TRUE;
+
+
+static void
+populate_spread_table_wrappy (EggSpreadTable *spread_table)
+{
+  GList *children, *l;
+  GtkWidget *widget, *frame, *eventbox;
+  gsize i;
+
+  const gchar *strings[] = {
+    "These are", "some wrappy label", "texts", "of various", "lengths.",
+    "They should always be", "shown", "consecutively. Except it's",
+    "hard to say", "where exactly the", "label", "will wrap", "and where exactly",
+    "the actual", "container", "will wrap.", "This label is really really really long !", 
+    "Let's add some more", "labels to the",
+    "mix. Just to", "make sure we", "got something to work", "with here."
+  };
+
+  /* Remove all children first */
+  children = gtk_container_get_children (GTK_CONTAINER (paper));
+  for (l = children; l; l = l->next)
+    {
+      GtkWidget *child = l->data;
+
+      gtk_container_remove (GTK_CONTAINER (paper), child);
+    }
+  g_list_free (children);
+
+  for (i = 0; i < G_N_ELEMENTS (strings); i++)
+    {
+      widget = gtk_label_new (strings[i]);
+      frame  = gtk_frame_new (NULL);
+      eventbox = gtk_event_box_new ();
+      gtk_widget_show (widget);
+      gtk_widget_show (frame);
+      gtk_widget_show (eventbox);
+
+      gtk_container_add (GTK_CONTAINER (frame), widget);
+      gtk_container_add (GTK_CONTAINER (eventbox), frame);
+
+      gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
+      gtk_label_set_line_wrap_mode (GTK_LABEL (widget), PANGO_WRAP_WORD);
+      gtk_label_set_width_chars (GTK_LABEL (widget), 10);
+
+      gtk_widget_set_halign (frame, child_halign);
+
+      egg_spread_table_insert_child (EGG_SPREAD_TABLE (spread_table), eventbox, -1);
+    }
+}
+
+static void
+orientation_changed (GtkComboBox   *box,
+                     EggSpreadTable  *paper)
+{
+  GtkOrientation orientation = gtk_combo_box_get_active (box);
+
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (paper), orientation);
+}
+
+static void
+lines_changed (GtkSpinButton *button,
+	       G_GNUC_UNUSED gpointer       data)
+{
+  gint lines = gtk_spin_button_get_value_as_int (button);
+
+  egg_spread_table_set_lines (EGG_SPREAD_TABLE (paper), lines);
+}
+
+static void
+spacing_changed (GtkSpinButton *button,
+                 gpointer       data)
+{
+  GtkOrientation orientation = GPOINTER_TO_INT (data);
+  gint           state = gtk_spin_button_get_value_as_int (button);
+
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (paper), state);
+  else
+    egg_spread_table_set_vertical_spacing (EGG_SPREAD_TABLE (paper), state);
+}
+
+
+
+static void
+halign_changed (GtkComboBox   *box,
+                     EggSpreadTable  *paper)
+{
+  child_halign = gtk_combo_box_get_active (box);
+
+  populate_spread_table_wrappy (EGG_SPREAD_TABLE (paper));
+}
+
+
+static gboolean
+parent_drop_possible (EggSpreadTableDnd *table,
+		      GtkWidget         *child,
+		      gpointer           unused)
+{
+  if (parent_accepts_drops)
+    return TRUE;
+
+  return FALSE;
+}
+
+static gboolean
+child_drop_possible (EggSpreadTableDnd *table,
+		     GtkWidget         *child,
+		     gpointer           unused)
+{
+  if (child_accepts_drops)
+    return TRUE;
+
+  return FALSE;
+}
+
+static void
+set_boolean (GtkToggleButton *button,
+	     gboolean        *value)
+{
+  *value = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
+}
+
+static GtkWidget *
+create_window (void)
+{
+  GtkWidget *window;
+  GtkWidget *hbox, *vbox, *widget;
+  GtkWidget *swindow, *frame, *expander;
+  GtkWidget *paper_cntl, *items_cntl;
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  hbox   = gtk_hbox_new (FALSE, 2);
+  vbox   = gtk_vbox_new (FALSE, 6);
+
+  gtk_container_set_border_width (GTK_CONTAINER (window), 8);
+
+  gtk_widget_show (vbox);
+  gtk_widget_show (hbox);
+  gtk_container_add (GTK_CONTAINER (window), hbox);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
+
+  frame = gtk_frame_new ("SpreadTable");
+  gtk_widget_show (frame);
+  gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
+
+  swindow = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
+                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+  
+  gtk_widget_show (swindow);
+  gtk_container_add (GTK_CONTAINER (frame), swindow);
+
+  paper = egg_spread_table_dnd_new (GTK_ORIENTATION_VERTICAL, INITIAL_LINES);
+  egg_spread_table_set_vertical_spacing (EGG_SPREAD_TABLE (paper), INITIAL_VSPACING);
+  egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (paper), INITIAL_HSPACING);
+  gtk_widget_show (paper);
+
+  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), paper);
+
+  /* Add SpreadTable test control frame */
+  expander = gtk_expander_new ("SpreadTable controls");
+  gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
+  paper_cntl = gtk_vbox_new (FALSE, 2);
+  gtk_widget_show (paper_cntl);
+  gtk_widget_show (expander);
+  gtk_container_add (GTK_CONTAINER (expander), paper_cntl);
+  gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
+
+  /* Add Orientation control */
+  widget = gtk_combo_box_text_new ();
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical");
+  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 1);
+  gtk_widget_show (widget);
+
+  gtk_widget_set_tooltip_text (widget, "Set the spread_table orientation");
+  gtk_box_pack_start (GTK_BOX (paper_cntl), widget, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (orientation_changed), paper);
+
+
+  /* Add horizontal/vertical spacing controls */
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("H Spacing");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_spin_button_new_with_range (0, 30, 1);
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), INITIAL_HSPACING);
+  gtk_widget_show (widget);
+
+  gtk_widget_set_tooltip_text (widget, "Set the horizontal spacing between children");
+  gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (spacing_changed), GINT_TO_POINTER (GTK_ORIENTATION_HORIZONTAL));
+  g_signal_connect (G_OBJECT (widget), "value-changed",
+                    G_CALLBACK (spacing_changed), GINT_TO_POINTER (GTK_ORIENTATION_HORIZONTAL));
+
+  gtk_box_pack_start (GTK_BOX (paper_cntl), hbox, FALSE, FALSE, 0);
+
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("V Spacing");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_spin_button_new_with_range (0, 30, 1);
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), INITIAL_VSPACING);
+  gtk_widget_show (widget);
+
+  gtk_widget_set_tooltip_text (widget, "Set the vertical spacing between children");
+  gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (spacing_changed), GINT_TO_POINTER (GTK_ORIENTATION_VERTICAL));
+  g_signal_connect (G_OBJECT (widget), "value-changed",
+                    G_CALLBACK (spacing_changed), GINT_TO_POINTER (GTK_ORIENTATION_VERTICAL));
+
+  gtk_box_pack_start (GTK_BOX (paper_cntl), hbox, FALSE, FALSE, 0);
+
+  /* Add widget-drop-possible controls */
+  widget = gtk_toggle_button_new_with_label ("parent accept drop");
+  gtk_widget_show (widget);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
+  gtk_box_pack_start (GTK_BOX (paper_cntl), widget, FALSE, FALSE, 0);
+  g_signal_connect (widget, "toggled", G_CALLBACK (set_boolean), &parent_accepts_drops);
+
+  widget = gtk_toggle_button_new_with_label ("child accept drop");
+  gtk_widget_show (widget);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
+  gtk_box_pack_start (GTK_BOX (paper_cntl), widget, FALSE, FALSE, 0);
+  g_signal_connect (widget, "toggled", G_CALLBACK (set_boolean), &parent_accepts_drops);
+
+  /* Add lines controls */
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("Lines");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_spin_button_new_with_range (1, 30, 1);
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), INITIAL_LINES);
+  gtk_widget_show (widget);
+
+  gtk_widget_set_tooltip_text (widget, "Set the horizontal spacing between children");
+  gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (lines_changed), NULL);
+  g_signal_connect (G_OBJECT (widget), "value-changed",
+                    G_CALLBACK (lines_changed), NULL);
+
+  gtk_box_pack_start (GTK_BOX (paper_cntl), hbox, FALSE, FALSE, 0);
+
+
+  /* Add test items control frame */
+  expander = gtk_expander_new ("Test item controls");
+  gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
+  items_cntl = gtk_vbox_new (FALSE, 2);
+  gtk_widget_show (items_cntl);
+  gtk_widget_show (expander);
+  gtk_container_add (GTK_CONTAINER (expander), items_cntl);
+  gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
+
+  /* Add child halign control */
+  widget = gtk_combo_box_text_new ();
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Fill");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Start");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "End");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Center");
+  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), INITIAL_HALIGN);
+  gtk_widget_show (widget);
+
+  gtk_widget_set_tooltip_text (widget, "Set the children's halign property");
+  gtk_box_pack_start (GTK_BOX (items_cntl), widget, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (halign_changed), paper);
+
+  populate_spread_table_wrappy (EGG_SPREAD_TABLE (paper));
+
+  /* Embed another dnd spread table */
+  widget = egg_spread_table_dnd_new (GTK_ORIENTATION_VERTICAL, INITIAL_LINES);
+  egg_spread_table_set_vertical_spacing (EGG_SPREAD_TABLE (widget), INITIAL_VSPACING);
+  egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (widget), INITIAL_HSPACING);
+
+  frame  = gtk_frame_new (NULL);
+  gtk_widget_show (widget);
+  gtk_widget_show (frame);
+  gtk_widget_set_size_request (widget, 40, 40);
+  gtk_container_add (GTK_CONTAINER (frame), widget);
+
+  egg_spread_table_insert_child (EGG_SPREAD_TABLE (paper), frame, 5);
+
+  gtk_window_set_default_size (GTK_WINDOW (window), 500, 400);
+
+
+  /* Signals to control drop allowed or not */
+  g_signal_connect (G_OBJECT (paper), "widget-drop-possible",
+                    G_CALLBACK (parent_drop_possible), NULL);
+  g_signal_connect (G_OBJECT (widget), "widget-drop-possible",
+                    G_CALLBACK (child_drop_possible), NULL);
+
+
+  return window;
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+
+  gtk_init (&argc, &argv);
+
+  window = create_window ();
+
+  g_signal_connect (window, "delete-event",
+                    G_CALLBACK (gtk_main_quit), window);
+
+  gtk_widget_show (window);
+
+  gtk_main ();
+
+  return 0;
+}
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