Gergely Polonkai
aa71f8211d
This is the latest version found at http://scentric.net/tutorial/treeview-tutorial-xml.tar.gz
145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
|
|
/* a simple test for GuiCellRendererSpin */
|
|
|
|
#include <gtk/gtk.h>
|
|
#include "cellrendererspin.h"
|
|
|
|
enum
|
|
{
|
|
COL_NAME = 0,
|
|
COL_NUMBER,
|
|
NUM_COLS
|
|
} ;
|
|
|
|
static GtkTreeModel *
|
|
create_and_fill_model (void)
|
|
{
|
|
GtkListStore *liststore;
|
|
GtkTreeIter iter;
|
|
|
|
liststore = gtk_list_store_new(NUM_COLS, G_TYPE_STRING, G_TYPE_FLOAT);
|
|
|
|
gtk_list_store_append(liststore, &iter);
|
|
gtk_list_store_set(liststore, &iter, COL_NAME, "M J Smith", COL_NUMBER, 5.0, -1);
|
|
|
|
gtk_list_store_append(liststore, &iter);
|
|
gtk_list_store_set(liststore, &iter, COL_NAME, "K F Hemmingwinski", COL_NUMBER, 3.8, -1);
|
|
|
|
gtk_list_store_append(liststore, &iter);
|
|
gtk_list_store_set(liststore, &iter, COL_NAME, "P C Juanicini", COL_NUMBER, 2.5, -1);
|
|
|
|
return GTK_TREE_MODEL(liststore);
|
|
}
|
|
|
|
|
|
static void
|
|
cell_data_func_gpa (GtkTreeViewColumn *col,
|
|
GtkCellRenderer *cell,
|
|
GtkTreeModel *model,
|
|
GtkTreeIter *iter,
|
|
gpointer data)
|
|
{
|
|
gchar buf[32];
|
|
GValue val = {0, };
|
|
|
|
gtk_tree_model_get_value(model, iter, COL_NUMBER, &val);
|
|
|
|
g_snprintf(buf, sizeof(buf), "%.1f", g_value_get_float(&val));
|
|
|
|
g_object_set(cell, "text", buf, NULL);
|
|
}
|
|
|
|
|
|
static void
|
|
on_gpa_edited (GtkCellRendererText *celltext,
|
|
const gchar *string_path,
|
|
const gchar *new_text,
|
|
gpointer data)
|
|
{
|
|
GtkTreeModel *model = GTK_TREE_MODEL(data);
|
|
GtkTreeIter iter;
|
|
gchar *name = NULL;
|
|
gfloat oldval = 0.0;
|
|
gfloat newval = 0.0;
|
|
|
|
gtk_tree_model_get_iter_from_string(model, &iter, string_path);
|
|
|
|
gtk_tree_model_get(model, &iter, COL_NAME, &name, COL_NUMBER, &oldval, -1);
|
|
|
|
if (sscanf(new_text, "%f", &newval) != 1)
|
|
g_warning("in %s: problem converting string '%s' into float.\n", __FUNCTION__, new_text);
|
|
|
|
g_print ("%s: old GPA = %.1f, new GPA = %.1f ('%s')\n", name, oldval, newval, new_text);
|
|
|
|
gtk_list_store_set(GTK_LIST_STORE(model), &iter, COL_NUMBER, newval, -1);
|
|
|
|
g_free(name);
|
|
}
|
|
|
|
|
|
static GtkWidget *
|
|
create_view_and_model (void)
|
|
{
|
|
GtkTreeViewColumn *col;
|
|
GtkCellRenderer *renderer;
|
|
GtkWidget *view;
|
|
GtkTreeModel *model;
|
|
|
|
view = gtk_tree_view_new();
|
|
|
|
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_SINGLE);
|
|
|
|
|
|
/* --- Column #1 --- */
|
|
col = gtk_tree_view_column_new();
|
|
renderer = gtk_cell_renderer_text_new();
|
|
gtk_tree_view_column_set_title(col, "Name");
|
|
gtk_tree_view_column_pack_start(col, renderer, TRUE);
|
|
gtk_tree_view_column_add_attribute(col, renderer, "text", COL_NAME);
|
|
gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
|
|
|
|
/* --- Column #2 --- */
|
|
col = gtk_tree_view_column_new();
|
|
renderer = gui_cell_renderer_spin_new(0.0, 5.0, 0.1, 1.0, 1.0, 0.1, 1);
|
|
|
|
gtk_tree_view_column_set_title(col, "GPA");
|
|
gtk_tree_view_column_pack_start(col, renderer, TRUE);
|
|
gtk_tree_view_column_set_cell_data_func(col, renderer, cell_data_func_gpa, NULL, NULL);
|
|
gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
|
|
|
|
g_object_set(renderer, "editable", TRUE, NULL);
|
|
|
|
g_signal_connect(renderer, "edited", G_CALLBACK(on_gpa_edited), model);
|
|
|
|
return view;
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
GtkWidget *window;
|
|
GtkWidget *view;
|
|
|
|
gtk_init(&argc, &argv);
|
|
|
|
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
|
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;
|
|
}
|