First Commit

libui-ng/unix/combobox.c

@@ -0,0 +1,89 @@
+// 11 june 2015
+#include "uipriv_unix.h"
+
+struct uiCombobox {
+	uiUnixControl c;
+	GtkWidget *widget;
+	GtkComboBox *combobox;
+	GtkComboBoxText *comboboxText;
+	void (*onSelected)(uiCombobox *, void *);
+	void *onSelectedData;
+	gulong onSelectedSignal;
+};
+
+uiUnixControlAllDefaults(uiCombobox)
+
+static void onChanged(GtkComboBox *cbox, gpointer data)
+{
+	uiCombobox *c = uiCombobox(data);
+
+	(*(c->onSelected))(c, c->onSelectedData);
+}
+
+static void defaultOnSelected(uiCombobox *c, void *data)
+{
+	// do nothing
+}
+
+void uiComboboxAppend(uiCombobox *c, const char *text)
+{
+	gtk_combo_box_text_append(c->comboboxText, NULL, text);
+}
+
+void uiComboboxInsertAt(uiCombobox *c, int n, const char *text)
+{
+	gtk_combo_box_text_insert(c->comboboxText, n, NULL, text);
+}
+
+void uiComboboxDelete(uiCombobox *c, int n)
+{
+	gtk_combo_box_text_remove(c->comboboxText, n);
+}
+
+void uiComboboxClear(uiCombobox *c)
+{
+	gtk_combo_box_text_remove_all(c->comboboxText);
+}
+
+int uiComboboxNumItems(uiCombobox *c)
+{
+	GtkListStore *store;
+
+	store = GTK_LIST_STORE(gtk_combo_box_get_model(c->combobox));
+	return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store), NULL);
+}
+
+int uiComboboxSelected(uiCombobox *c)
+{
+	return gtk_combo_box_get_active(c->combobox);
+}
+
+void uiComboboxSetSelected(uiCombobox *c, int n)
+{
+	// we need to inhibit sending of ::changed because this WILL send a ::changed otherwise
+	g_signal_handler_block(c->combobox, c->onSelectedSignal);
+	gtk_combo_box_set_active(c->combobox, n);
+	g_signal_handler_unblock(c->combobox, c->onSelectedSignal);
+}
+
+void uiComboboxOnSelected(uiCombobox *c, void (*f)(uiCombobox *c, void *data), void *data)
+{
+	c->onSelected = f;
+	c->onSelectedData = data;
+}
+
+uiCombobox *uiNewCombobox(void)
+{
+	uiCombobox *c;
+
+	uiUnixNewControl(uiCombobox, c);
+
+	c->widget = gtk_combo_box_text_new();
+	c->combobox = GTK_COMBO_BOX(c->widget);
+	c->comboboxText = GTK_COMBO_BOX_TEXT(c->widget);
+
+	c->onSelectedSignal = g_signal_connect(c->widget, "changed", G_CALLBACK(onChanged), c);
+	uiComboboxOnSelected(c, defaultOnSelected, NULL);
+
+	return c;
+}