Started implementing menus in general and on the Unix backend.

test.c

@@ -5,6 +5,13 @@
 
 // TODO convert to using the new conversion macros
 
+static const uiMenu menu[] = {
+	{ "File", NULL },
+	{ "Edit", NULL },
+	{ "Help", NULL },
+	{ NULL, NULL },
+};
+
 int onClosing(uiWindow *w, void *data)
 {
 	printf("in closing!\n");
@@ -201,6 +208,7 @@ int main(int argc, char *argv[])
 			return 1;
 		}
 
+	o.Menu = menu;
 	err = uiInit(&o);
 	if (err != NULL) {
 		fprintf(stderr, "error initializing ui: %s\n", err);
@@ -208,7 +216,7 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
-	w = uiNewWindow("Hello", 320, 240);
+	w = uiNewWindow("Hello", 320, 240, 1);
 	uiWindowOnClosing(w, onClosing, NULL);
 
 	boxes[0] = uiNewVerticalBox();

ui.idl

@@ -22,7 +22,7 @@ struct InitOptions {
 	field debugLogAllocations int;
 
 	// This is the menu that the application will use.
-	// To give this menu to a uiWindow, specify nonzero for the hasMenu parameter to uiNewWindow().
+	// To give this menu to a uiWindow, specify nonzero for the hasMenubar parameter to uiNewWindow().
 	// This value, nor any element of the array it points to, should never change during execution of the program.
 	// TODO make it a proper const *const
 	// TODO idl2h doesn't support making this even const * yet...
@@ -89,7 +89,7 @@ interface Window {
 	func Margined(void) int;
 	func SetMargined(margined int);
 };
-func NewWindow(title *const char, width int, height int) *Window;
+func NewWindow(title *const char, width int, height int, hasMenubar int) *Window;
 
 interface Button from Control {
 	func Text(void) *char;

unix/GNUmakeinc.mk

@@ -7,6 +7,7 @@ OSCFILES = \
 	label.c \
 	lifetimes.c \
 	main.c \
+	menu.c \
 	newcontrol.c \
 	parent.c \
 	tab.c \

unix/menu.c

@@ -0,0 +1,26 @@
+// 20 april 2015
+#include "uipriv_unix.h"
+
+static GtkWidget *makeMenuItem(const char *name, uiMenuItem *items)
+{
+	return gtk_menu_item_new_with_label(name);
+}
+
+GtkWidget *makeMenubar(void)
+{
+	GtkWidget *menubar;
+	const uiMenu *m;
+
+	if (options.Menu == NULL)
+		complain("asked to give uiWindow a menubar but didn't specify a menu in uiInitOptions");
+
+	menubar = gtk_menu_bar_new();
+
+	for (m = options.Menu; m->Name != NULL; m++)
+		gtk_menu_shell_append(GTK_MENU_SHELL(menubar), makeMenuItem(m->Name, m->Items));
+
+	gtk_widget_set_hexpand(menubar, TRUE);
+	gtk_widget_set_halign(menubar, GTK_ALIGN_FILL);
+	gtk_widget_show_all(menubar);
+	return menubar;
+}

unix/uipriv_unix.h

@@ -16,3 +16,6 @@
 // lifetimes.c
 extern gulong blockDestruction(GtkWidget *, void *);
 extern void readyToDestroy(GtkWidget *, gulong);
+
+// menu.c
+extern GtkWidget *makeMenubar(void);

unix/window.c

@@ -120,9 +120,11 @@ static void windowSetMargined(uiWindow *ww, int margined)
 	uiParentUpdate(w->content);
 }
 
-uiWindow *uiNewWindow(const char *title, int width, int height)
+uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 {
 	struct window *w;
+	GtkWidget *vbox;
+	GtkWidget *contentWidget;
 
 	w = uiNew(struct window);
 
@@ -131,12 +133,28 @@ uiWindow *uiNewWindow(const char *title, int width, int height)
 	w->window = GTK_WINDOW(w->widget);
 
 	gtk_window_set_title(w->window, title);
+	// TODO this does not take menus or CSD into account
 	gtk_window_resize(w->window, width, height);
 
 	g_signal_connect(w->widget, "delete-event", G_CALLBACK(onClosing), w);
 	w->destroyBlocker = g_signal_connect(w->widget, "destroy", G_CALLBACK(destroyBlocker), w);
 
-	w->content = uiNewParent((uintptr_t) (w->container));
+	if (hasMenubar) {
+		vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+		gtk_widget_show_all(vbox);
+		gtk_container_add(w->container, vbox);
+
+		gtk_container_add(GTK_CONTAINER(vbox), makeMenubar());
+
+		w->content = uiNewParent((uintptr_t) GTK_CONTAINER(vbox));
+		contentWidget = GTK_WIDGET(uiParentHandle(w->content));
+		gtk_widget_set_hexpand(contentWidget, TRUE);
+		gtk_widget_set_halign(contentWidget, GTK_ALIGN_FILL);
+		gtk_widget_set_vexpand(contentWidget, TRUE);
+		gtk_widget_set_valign(contentWidget, GTK_ALIGN_FILL);
+	} else
+		w->content = uiNewParent((uintptr_t) (w->container));
+
 	w->onClosing = defaultOnClosing;
 
 	uiWindow(w)->Destroy = windowDestroy;