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Quite working tree

This commit is contained in:
Adrien Bourmault 2024-02-12 17:54:44 +01:00
parent b8802b2918
commit b4eaa6f316
Signed by: neox
GPG Key ID: 2974E1D5F25DFCC8
2 changed files with 37 additions and 31 deletions
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BIN
gtk_treeview_example
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64
main.c
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@ -100,18 +100,23 @@ GListModel* get_children_model (struct TreeNode_t *parent)
GListModel* create_model_func(GObject *item, gpointer user_data) GListModel* create_model_func(GObject *item, gpointer user_data)
{ {
struct TreeNode_t *cur = root; struct TreeNode_t *cur = root;
struct TreeNode_t *parent = NULL;
struct TreeNode_t *res = NULL;
gchar *string = gtk_string_object_get_string(GTK_STRING_OBJECT(item)); gchar *string = gtk_string_object_get_string(GTK_STRING_OBJECT(item));
if (strcmp(string, "Root") == NULL) { parent = root;
cur = root; while (cur) {
if (strcmp(string, cur->text) == NULL) {
res = cur;
break;
} }
else if (strcmp(string, "Child 1") == NULL) {
cur = root->child; cur = cur->next;
if (cur == NULL) {
cur = parent->child;
parent = cur;
} }
else if (strcmp(string, "Child 2") == NULL) {
cur = root->child->next;
} else {
cur = NULL;
} }
printf("[create_model_func] here is %s item\n", string); printf("[create_model_func] here is %s item\n", string);
@ -128,34 +133,24 @@ void on_expander_toggled(GtkExpander *expander, gpointer user_data) {
// Update your model here based on the new state // Update your model here based on the new state
} }
void setup_factory (GtkListItemFactory *factory, GtkListItem *list_item, gpointer user_data) void on_setup_factory (GtkListItemFactory *factory, GtkListItem *list_item, gpointer user_data)
{ {
GtkWidget* expander = gtk_expander_new (NULL); GtkWidget* expander = gtk_expander_new (NULL);
gtk_list_item_set_child (list_item, expander); gtk_list_item_set_child (list_item, expander);
printf("[setup_factory] here is an expander\n"); printf("[on_setup_factory] here is an expander\n");
} }
void bind_factory (GtkListItemFactory *factory, GtkListItem *list_item, gpointer user_data) void on_bind_factory (GtkListItemFactory *factory, GtkListItem *list_item, gpointer user_data)
{ {
GObject *item; GObject *item;
const gchar *text; const gchar *text;
GtkTreeListRow *row = gtk_list_item_get_item(list_item); GtkTreeListRow *row = gtk_list_item_get_item(list_item);
if (row != NULL) { if (row != NULL) {
gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
text = gtk_string_object_get_string(GTK_STRING_OBJECT(gtk_tree_list_row_get_item(row))); text = gtk_string_object_get_string(GTK_STRING_OBJECT(gtk_tree_list_row_get_item(row)));
GtkWidget *expander = gtk_list_item_get_child(list_item); GtkWidget *expander = gtk_list_item_get_child(list_item);
gtk_expander_set_label(GTK_EXPANDER(expander), text); gtk_expander_set_label(GTK_EXPANDER(expander), text);
//gtk_tree_list_row_set_expanded(row, !is_expanded);
if (gtk_tree_list_row_get_children(row)) {
printf("[bind_factory] here is %s content (childs)\n", text);
} else {
printf("[bind_factory] here is %s content (no childs)\n", text);
}
// Disconnect previous signal handlers to avoid stacking them // Disconnect previous signal handlers to avoid stacking them
g_signal_handlers_disconnect_by_func(expander, G_CALLBACK(on_expander_toggled), row); g_signal_handlers_disconnect_by_func(expander, G_CALLBACK(on_expander_toggled), row);
@ -163,10 +158,10 @@ void bind_factory (GtkListItemFactory *factory, GtkListItem *list_item, gpointer
g_signal_connect(expander, "activate", G_CALLBACK(on_expander_toggled), row); g_signal_connect(expander, "activate", G_CALLBACK(on_expander_toggled), row);
gtk_widget_set_margin_start(expander, gtk_tree_list_row_get_depth(row)*20); gtk_widget_set_margin_start(expander, gtk_tree_list_row_get_depth(row)*20);
gboolean is_expanded = gtk_tree_list_row_get_expanded(row);
//g_object_unref(row); // Decrease the reference count when done //gtk_tree_list_row_set_expanded(row, !is_expanded);
} else { } else {
printf("[bind_factory] here is NON %s content\n", text); printf("[on_bind_factory] here is NON %s content\n", text);
} }
} }
@ -182,8 +177,8 @@ void app_activate (GApplication *app, gpointer user_data)
// Create and setup the list view and item factory // Create and setup the list view and item factory
GtkListItemFactory *factory = gtk_signal_list_item_factory_new (); GtkListItemFactory *factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK(setup_factory), NULL); g_signal_connect (factory, "setup", G_CALLBACK(on_setup_factory), NULL);
g_signal_connect (factory, "bind", G_CALLBACK(bind_factory), NULL); g_signal_connect (factory, "bind", G_CALLBACK(on_bind_factory), NULL);
// Create a GtkTreeListModel // Create a GtkTreeListModel
GtkTreeListModel *tree_model = gtk_tree_list_model_new( GtkTreeListModel *tree_model = gtk_tree_list_model_new(
@ -192,7 +187,7 @@ void app_activate (GApplication *app, gpointer user_data)
FALSE, // autoexpand FALSE, // autoexpand
(GtkTreeListModelCreateModelFunc)create_model_func, (GtkTreeListModelCreateModelFunc)create_model_func,
NULL, NULL,
NULL //(GDestroyNotify)free_tree_node (GDestroyNotify)g_object_unref //(GDestroyNotify)free_tree_node
); );
GtkNoSelection *selection_model = gtk_no_selection_new ( GtkNoSelection *selection_model = gtk_no_selection_new (
@ -209,8 +204,19 @@ int main (int argc, char **argv)
{ {
// Create a simple tree structure // Create a simple tree structure
root = create_tree_node("Root"); root = create_tree_node("Root");
add_child_node(root, create_tree_node("Child 1")); struct TreeNode_t *A = create_tree_node("A");
add_child_node(root, create_tree_node("Child 2")); struct TreeNode_t *B = create_tree_node("B");
struct TreeNode_t *C = create_tree_node("C");
struct TreeNode_t *D = create_tree_node("D");
struct TreeNode_t *E = create_tree_node("E");
struct TreeNode_t *F = create_tree_node("F");
struct TreeNode_t *G = create_tree_node("G");
add_child_node(root, A);
add_child_node(A, B);
add_child_node(B, C);
add_child_node(C, D);
add_child_node(E, F);
add_child_node(F, G);
GtkApplication *app = gtk_application_new("org.gtk.example", G_APPLICATION_FLAGS_NONE); GtkApplication *app = gtk_application_new("org.gtk.example", G_APPLICATION_FLAGS_NONE);
g_signal_connect(app, "activate", G_CALLBACK(app_activate), NULL); g_signal_connect(app, "activate", G_CALLBACK(app_activate), NULL);