jean
/
Learning_GTK4_tree
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

WIP: simplifications in add_columns()

This commit is contained in:
Jean Sirmai 2023-12-15 10:12:13 +01:00
parent cc899e13c9
commit f0b8b70bfb
Signed by: jean
GPG Key ID: FB3115C340E057E3
1 changed files with 17 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
demos/gtk-demo/tree_store.c
View File

@ -13,6 +13,17 @@
/* */ /* */
/*************************************************************************************************************************************/ /*************************************************************************************************************************************/
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - //
/************************************************** <> *****************************************************/
/* */
/* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html */
/* GtkTreeViewColumn, GtkTreeSelection, GtkTreeModel, GtkTreeView drag-and-drop, GtkTreeSortable, GtkTreeModelSort, GtkListStore, */
/* GtkTreeStore, GtkCellRenderer, GtkCellEditable, GtkCellRendererPixbuf, GtkCellRendererText, GtkCellRendererToggle */
/* */
/* https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRenderer.html */
/* */
/*************************************************************************************************************************************/
/* The GtkTreeStore is used to store data in tree form, to be used later on by a GtkTreeView to display it. /* The GtkTreeStore is used to store data in tree form, to be used later on by a GtkTreeView to display it.
@ -59,7 +70,7 @@ static TreeItem item_name_0[] =
static TreeItem item_name_1[] = static TreeItem item_name_1[] =
{ {
{ "A", FALSE, TRUE, NULL }, { "A", FALSE, TRUE, NULL },
{ "B", FALSE, FALSE, NULL }, { "B", TRUE, FALSE, NULL },
{ "C", FALSE, TRUE, NULL }, { "C", FALSE, TRUE, NULL },
{ "D", FALSE, TRUE, NULL }, { "D", FALSE, TRUE, NULL },
{ NULL } { NULL }
@ -131,70 +142,25 @@ create_model (void)
return GTK_TREE_MODEL (model); return GTK_TREE_MODEL (model);
} }
static void // https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRendererToggle.html
item_toggled (GtkCellRendererToggle *cell,
char *path_str,
gpointer data)
{
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
GtkTreeIter iter;
gboolean toggle_item;
int *column;
column = g_object_get_data (G_OBJECT (cell), "column");
/* get toggled iter */
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, column, &toggle_item, -1);
/* do something with the value */
toggle_item ^= 1;
/* set new value */
gtk_tree_store_set (GTK_TREE_STORE (model), &iter, column,
toggle_item, -1);
/* clean up */
gtk_tree_path_free (path);
}
static void static void
add_columns (GtkTreeView *treeview) add_columns (GtkTreeView *treeview)
{ {
int col_offset;
GtkCellRenderer *renderer; GtkCellRenderer *renderer;
// GtkTreeViewColumn *column;
GtkTreeModel *model = gtk_tree_view_get_model (treeview);
/* column for item_1 names */ /* column for item_1 names */
renderer = gtk_cell_renderer_text_new (); renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer, "xalign", 0.0, NULL); g_object_set (renderer, "xalign", 0.0, NULL);
col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "Col 0", renderer, "text", gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1,
COLUMN_0, NULL); "Col 0", renderer, "text", COLUMN_0, NULL);
/* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
// gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
/* AA column */ /* AA column */
renderer = gtk_cell_renderer_toggle_new (); renderer = gtk_cell_renderer_toggle_new ();
g_object_set (renderer, "xalign", 0.0, NULL); g_object_set (renderer, "xalign", 0.0, NULL);
g_object_set_data (G_OBJECT (renderer), "column", (int *)COLUMN_1); g_object_set_data (G_OBJECT (renderer), "column", (int *)COLUMN_1);
// g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1,
"Col 1", renderer, "active", COLUMN_1, "visible", VISIBLE_COLUMN, "activatable", WORLD_COLUMN, NULL);
col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "Col 1", renderer, "active",
COLUMN_1, "visible", VISIBLE_COLUMN, "activatable", WORLD_COLUMN, NULL);
/* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
// gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), GTK_TREE_VIEW_COLUMN_FIXED);
// gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
/* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
// gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), GTK_TREE_VIEW_COLUMN_FIXED);
// gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
} }
GtkWidget * GtkWidget *
@ -223,8 +189,7 @@ do_tree_store (GtkWidget *do_widget)
gtk_widget_set_margin_bottom (vbox, 8); gtk_widget_set_margin_bottom (vbox, 8);
gtk_window_set_child (GTK_WINDOW (window), vbox); gtk_window_set_child (GTK_WINDOW (window), vbox);
gtk_box_append (GTK_BOX (vbox), gtk_box_append (GTK_BOX (vbox), gtk_label_new ("Learning GTK trees"));
gtk_label_new ("Learning GTK trees"));
sw = gtk_scrolled_window_new (); sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE); gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);