From 23e831a6ed61878240897cd6a7b276526a3f4ba4 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 31 Aug 2011 10:46:28 -0700 Subject: [PATCH] Re-do the tree selection code with a selection callback Learnign gtk by looking at cairo examples? It's one way. Signed-off-by: Linus Torvalds --- divelist.c | 65 ++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 41 insertions(+), 24 deletions(-) diff --git a/divelist.c b/divelist.c index a1aa21a..d92cd6d 100644 --- a/divelist.c +++ b/divelist.c @@ -5,13 +5,22 @@ #include "dive.h" #include "display.h" -static GtkTreeModel *fill_dive_list(void) +static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model) { - int i; - GtkListStore *store; GtkTreeIter iter; + GValue value = {0, }; + + if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) + return; - store = gtk_list_store_new(1, G_TYPE_STRING); + gtk_tree_model_get_value(model, &iter, 0, &value); + printf("'%s' selected\n", g_value_get_string(&value)); +} + +static void fill_dive_list(GtkListStore *store) +{ + int i; + GtkTreeIter iter; for (i = 0; i < dive_table.nr; i++) { struct dive *dive = dive_table.dives[i]; @@ -21,35 +30,43 @@ static GtkTreeModel *fill_dive_list(void) 0, dive->name, -1); } - - return GTK_TREE_MODEL(store); } GtkWidget *create_dive_list(void) { - GtkWidget *list; - GtkCellRenderer *renderer; - GtkTreeModel *model; - GtkWidget *scrolled_window; + GtkListStore *model; + GtkWidget *tree_view; + GtkTreeSelection *selection; + GtkCellRenderer *renderer; + GtkTreeViewColumn *col; + GtkWidget *scroll_window; + + model = gtk_list_store_new(1, G_TYPE_STRING); + tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model)); + selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view)); + + gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE); + gtk_widget_set_size_request(tree_view, 200, -1); - list = gtk_tree_view_new(); + fill_dive_list(model); renderer = gtk_cell_renderer_text_new(); - gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(list), - -1, "Dive", renderer, "text", 0, NULL); + col = gtk_tree_view_column_new(); + gtk_tree_view_column_pack_start(col, renderer, TRUE); + gtk_tree_view_column_add_attribute(col, renderer, "text", 0); + gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), col); - model = fill_dive_list(); - gtk_tree_view_set_model(GTK_TREE_VIEW(list), model); - g_object_unref(model); + g_object_set(G_OBJECT(tree_view), "headers-visible", FALSE, + "search-column", 0, + "rules-hint", FALSE, + NULL); - /* Scrolled window for the list goes into the vbox.. */ - scrolled_window=gtk_scrolled_window_new(NULL, NULL); - gtk_widget_set_usize(scrolled_window, 150, 350); - gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - gtk_widget_show(scrolled_window); + g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), model); - /* .. and connect it to the scrolled window */ - gtk_container_add(GTK_CONTAINER(scrolled_window), list); + scroll_window = gtk_scrolled_window_new(NULL, NULL); + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_window), + GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); + gtk_container_add(GTK_CONTAINER(scroll_window), tree_view); - return scrolled_window; + return scroll_window; } -- 2.43.0