Initial commit

This is the latest version found at
http://scentric.net/tutorial/treeview-tutorial-xml.tar.gz

examples/treeview-demo/Makefile

@@ -0,0 +1,14 @@
+
+CC = gcc
+
+CFLAGS = -g -O2 `pkg-config --cflags gtk+-2.0`
+
+all: treeview-demo icon-with-text
+
+treeview-demo: main.o
+	gcc -o treeview-demo main.o `pkg-config --libs gtk+-2.0`
+
+icon-with-text: main-icon-with-text.o
+	gcc -o icon-with-text main-icon-with-text.o `pkg-config --libs gtk+-2.0`
+clean:
+	rm -f *.o treeview-demo icon-with-text 2>/dev/null

examples/treeview-demo/main-icon-with-text.c

@@ -0,0 +1,123 @@
+#include <gtk/gtk.h>
+
+enum
+{
+  COL_ICON = 0,
+  COL_TEXT,
+  COL_TEXT2,
+  NUM_COLS
+};
+
+/**************************************************************
+ *
+ *   create_liststore
+ *
+ **************************************************************/
+
+GtkListStore *
+create_liststore(void)
+{
+  GtkListStore  *store;
+  GtkTreeIter    iter;
+  GdkPixbuf     *icon;
+  GError        *error = NULL;
+
+  store = gtk_list_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_STRING);
+
+  icon = gdk_pixbuf_new_from_file("icon.png", &error);
+  if (error)
+  {
+    g_warning ("Could not load icon: %s\n", error->message);
+    g_error_free(error);
+    error = NULL;
+  }
+
+  gtk_list_store_append(store, &iter);
+  gtk_list_store_set(store, &iter,
+                     COL_ICON, icon,
+                     COL_TEXT, "Smile",
+	                   COL_TEXT2, "and another column",
+                     -1);
+
+  return store;
+}
+
+
+/**************************************************************
+ *
+ *   create_treeview
+ *
+ **************************************************************/
+
+GtkWidget *
+create_treeview(void)
+{
+	GtkTreeModel      *model;
+	GtkTreeViewColumn *col;
+	GtkCellRenderer   *renderer;
+	GtkWidget         *view;
+
+	model = GTK_TREE_MODEL(create_liststore());
+
+	view = gtk_tree_view_new_with_model(model);
+
+	col = gtk_tree_view_column_new();
+	gtk_tree_view_column_set_title(col, "Column #1");
+
+	renderer = gtk_cell_renderer_pixbuf_new();
+	gtk_tree_view_column_pack_start(col, renderer, FALSE);
+	gtk_tree_view_column_set_attributes(col, renderer,
+	                                    "pixbuf", COL_ICON,
+	                                    NULL);
+
+	renderer = gtk_cell_renderer_text_new();
+	gtk_tree_view_column_pack_start(col, renderer, TRUE);
+	gtk_tree_view_column_set_attributes(col, renderer,
+	                                    "text", COL_TEXT,
+	                                    NULL);
+
+	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
+
+  /* 2nd column */
+
+	col = gtk_tree_view_column_new();
+	gtk_tree_view_column_set_title(col, "Column #2");
+
+	renderer = gtk_cell_renderer_text_new();
+	gtk_tree_view_column_pack_start(col, renderer, TRUE);
+	gtk_tree_view_column_set_attributes(col, renderer,
+	                                    "text", COL_TEXT2,
+	                                    NULL);
+
+	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
+
+	return view;
+}
+
+
+/**************************************************************
+ *
+ *   main
+ *
+ **************************************************************/
+
+gint
+main (gint argc, gchar **argv)
+{
+	GtkWidget *mainwindow, *vbox;
+
+	gtk_init(&argc, &argv);
+
+	mainwindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+
+	/* quit when window close button is clicked */
+  g_signal_connect(mainwindow, "delete_event", gtk_main_quit, NULL); /* dirty */
+
+	gtk_container_add(GTK_CONTAINER(mainwindow), create_treeview());
+
+	gtk_widget_show_all(mainwindow);
+
+	gtk_main();
+
+	return 0;
+}

examples/treeview-demo/main.c

@@ -0,0 +1,178 @@
+#include <gtk/gtk.h>
+
+enum
+{
+  COL_FIRST_NAME = 0,
+  COL_LAST_NAME,
+  COL_YEAR_BORN,
+  NUM_COLS
+} ;
+
+static GtkTreeModel *
+create_and_fill_model (void)
+{
+  GtkTreeStore  *treestore;
+  GtkTreeIter    toplevel, child;
+
+  treestore = gtk_tree_store_new(NUM_COLS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT); /* NUM_COLS = 3 */
+
+  /* Append a top level row and leave it empty */
+  gtk_tree_store_append(treestore, &toplevel, NULL);
+  gtk_tree_store_set(treestore, &toplevel,
+                     COL_FIRST_NAME, "Maria",
+                     COL_LAST_NAME, "Incognito",
+                     -1);
+
+  /* Append a second top level row, and fill it with some data */
+  gtk_tree_store_append(treestore, &toplevel, NULL);
+  gtk_tree_store_set(treestore, &toplevel,
+                     COL_FIRST_NAME, "Jane",
+                     COL_LAST_NAME, "Average",
+                     COL_YEAR_BORN, (guint) 1962,
+                     -1);
+
+  /* Append a child to the second top level row, and fill in some data */
+  gtk_tree_store_append(treestore, &child, &toplevel);
+  gtk_tree_store_set(treestore, &child,
+                     COL_FIRST_NAME, "Janinita",
+                     COL_LAST_NAME, "Average",
+                     COL_YEAR_BORN, (guint) 1985,
+                     -1);
+
+  return GTK_TREE_MODEL(treestore);
+}
+
+void
+age_cell_data_func (GtkTreeViewColumn *col,
+                    GtkCellRenderer   *renderer,
+                    GtkTreeModel      *model,
+                    GtkTreeIter       *iter,
+                    gpointer           user_data)
+{
+  guint  year_born;
+  guint  year_now = 2003; /* to save code not relevant for the example */
+  gchar  buf[64];
+
+  gtk_tree_model_get(model, iter, COL_YEAR_BORN, &year_born, -1);
+
+  if (year_born <= year_now && year_born > 0)
+  {
+    guint age = year_now - year_born;
+
+    g_snprintf(buf, sizeof(buf), "%u years old", age);
+
+    g_object_set(renderer, "foreground-set", FALSE, NULL); /* print this normal */
+  }
+  else
+  {
+    g_snprintf(buf, sizeof(buf), "age unknown");
+    g_object_set(renderer, "foreground", "Red", "foreground-set", TRUE, NULL); /* make red */
+  }
+
+  g_object_set(renderer, "text", buf, NULL);
+}
+
+
+static GtkWidget *
+create_view_and_model (void)
+{
+  GtkTreeViewColumn   *col;
+  GtkCellRenderer     *renderer;
+  GtkWidget           *view;
+  GtkTreeModel        *model;
+
+  view = gtk_tree_view_new();
+
+  /* --- Column #1 --- */
+
+  col = gtk_tree_view_column_new();
+
+  gtk_tree_view_column_set_title(col, "First Name");
+
+  /* pack tree view column into tree view */
+  gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
+
+  renderer = gtk_cell_renderer_text_new();
+
+  /* pack cell renderer into tree view column */
+  gtk_tree_view_column_pack_start(col, renderer, TRUE);
+
+  /* connect 'text' property of the cell renderer to model column that contains the first name */
+  gtk_tree_view_column_add_attribute(col, renderer, "text", COL_FIRST_NAME);
+
+
+  /* --- Column #2 --- */
+
+  col = gtk_tree_view_column_new();
+
+  gtk_tree_view_column_set_title(col, "Last Name");
+
+  /* pack tree view column into tree view */
+  gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
+
+  renderer = gtk_cell_renderer_text_new();
+
+  /* pack cell renderer into tree view column */
+  gtk_tree_view_column_pack_start(col, renderer, TRUE);
+
+  /* connect 'text' property of the cell renderer to model column that contains the last name */
+  gtk_tree_view_column_add_attribute(col, renderer, "text", COL_LAST_NAME);
+
+  /* set 'weight' property of the cell renderer to bold print (we want all last names in bold) */
+  g_object_set(renderer, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
+
+
+  /* --- Column #3 --- */
+
+  col = gtk_tree_view_column_new();
+
+  gtk_tree_view_column_set_title(col, "Age");
+
+  /* pack tree view column into tree view */
+  gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
+
+  renderer = gtk_cell_renderer_text_new();
+
+  /* pack cell renderer into tree view column */
+  gtk_tree_view_column_pack_start(col, renderer, TRUE);
+
+  /* connect a cell data function */
+  gtk_tree_view_column_set_cell_data_func(col, renderer, age_cell_data_func, NULL, NULL);
+
+
+  model = create_and_fill_model();
+
+  gtk_tree_view_set_model(GTK_TREE_VIEW(view), model);
+
+  g_object_unref(model); /* destroy model automatically with view */
+
+  gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(view)), GTK_SELECTION_NONE);
+
+  return view;
+}
+
+
+int
+main (int argc, char **argv)
+{
+  GtkWidget *window;
+  GtkWidget *view;
+
+  gtk_init(&argc, &argv);
+
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_default_size(GTK_WINDOW(window), 300, 200);
+	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
+
+  g_signal_connect(window, "delete_event", gtk_main_quit, NULL); /* dirty */
+
+  view = create_view_and_model();
+
+  gtk_container_add(GTK_CONTAINER(window), view);
+
+  gtk_widget_show_all(window);
+
+  gtk_main();
+
+  return 0;
+}