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Re-do the tree selection code with a selection callback

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Learnign gtk by looking at cairo examples? It's one way.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-08-31 10:46:28 -07:00
parent de8dc53f75
commit 23e831a6ed
1 changed files with 41 additions and 24 deletions
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63
divelist.c
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@ -5,14 +5,23 @@
#include "dive.h" #include "dive.h"
#include "display.h" #include "display.h"
static GtkTreeModel *fill_dive_list(void) static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
{
GtkTreeIter iter;
GValue value = {0, };
if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
return;
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; int i;
GtkListStore *store;
GtkTreeIter iter; GtkTreeIter iter;
store = gtk_list_store_new(1, G_TYPE_STRING);
for (i = 0; i < dive_table.nr; i++) { for (i = 0; i < dive_table.nr; i++) {
struct dive *dive = dive_table.dives[i]; struct dive *dive = dive_table.dives[i];
@ -21,35 +30,43 @@ static GtkTreeModel *fill_dive_list(void)
0, dive->name, 0, dive->name,
-1); -1);
} }
return GTK_TREE_MODEL(store);
} }
GtkWidget *create_dive_list(void) GtkWidget *create_dive_list(void)
{ {
GtkWidget *list; GtkListStore *model;
GtkWidget *tree_view;
GtkTreeSelection *selection;
GtkCellRenderer *renderer; GtkCellRenderer *renderer;
GtkTreeModel *model; GtkTreeViewColumn *col;
GtkWidget *scrolled_window; GtkWidget *scroll_window;
list = gtk_tree_view_new(); 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);
fill_dive_list(model);
renderer = gtk_cell_renderer_text_new(); renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(list), col = gtk_tree_view_column_new();
-1, "Dive", renderer, "text", 0, NULL); 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(); g_object_set(G_OBJECT(tree_view), "headers-visible", FALSE,
gtk_tree_view_set_model(GTK_TREE_VIEW(list), model); "search-column", 0,
g_object_unref(model); "rules-hint", FALSE,
NULL);
/* Scrolled window for the list goes into the vbox.. */ g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), model);
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);
/* .. and connect it to the scrolled window */ scroll_window = gtk_scrolled_window_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(scrolled_window), list); 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;
} }