First Commit

libui-ng/old/_abort/windowevents/unix_window.c

@@ -0,0 +1,97 @@
+struct uiWindow {
+//	void *onClosingData;
+	void (*onPositionChanged)(uiWindow *, void *);
+	void *onPositionChangedData;
+	gboolean changingPosition;
+//	void (*onContentSizeChanged)(uiWindow *, void *);
+};
+
+// static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data)
+
+static gboolean onConfigure(GtkWidget *win, GdkEvent *e, gpointer data)
+{
+	uiWindow *w = uiWindow(data);
+
+	// there doesn't seem to be a way to determine if only moving or only resizing is happening :/
+	if (w->changingPosition)
+		w->changingPosition = FALSE;
+	else
+		(*(w->onPositionChanged))(w, w->onPositionChangedData);
+	// always continue handling
+	return FALSE;
+}
+
+// static void onSizeAllocate(GtkWidget *widget, GdkRectangle *allocation, gpointer data)
+
+// static int defaultOnClosing(uiWindow *w, void *data)
+
+static void defaultOnPositionContentSizeChanged(uiWindow *w, void *data)
+{
+	// do nothing
+}
+
+// static void uiWindowDestroy(uiControl *c)
+
+// void uiWindowSetTitle(uiWindow *w, const char *title)
+
+// TODO allow specifying either as NULL on all platforms
+void uiWindowPosition(uiWindow *w, int *x, int *y)
+{
+	gint rx, ry;
+
+	gtk_window_get_position(w->window, &rx, &ry);
+	*x = rx;
+	*y = ry;
+}
+
+void uiWindowSetPosition(uiWindow *w, int x, int y)
+{
+	w->changingPosition = TRUE;
+	gtk_window_move(w->window, x, y);
+	// gtk_window_move() is asynchronous
+	// we need to wait for a configure-event
+	// thanks to hergertme in irc.gimp.net/#gtk+
+	while (w->changingPosition)
+		if (!uiMainStep(1))
+			break;		// stop early if uiQuit() called
+}
+
+void uiWindowCenter(uiWindow *w)
+{
+	gint x, y;
+	GtkAllocation winalloc;
+	GdkWindow *gdkwin;
+	GdkScreen *screen;
+	GdkRectangle workarea;
+
+	gtk_widget_get_allocation(w->widget, &winalloc);
+	gdkwin = gtk_widget_get_window(w->widget);
+	screen = gdk_window_get_screen(gdkwin);
+	gdk_screen_get_monitor_workarea(screen,
+		gdk_screen_get_monitor_at_window(screen, gdkwin),
+		&workarea);
+
+	x = (workarea.width - winalloc.width) / 2;
+	y = (workarea.height - winalloc.height) / 2;
+	// TODO move up slightly? see what Mutter or GNOME Shell or GNOME Terminal do(es)?
+	uiWindowSetPosition(w, x, y);
+}
+
+// TODO this and size changed get set during uiWindowDestroy
+void uiWindowOnPositionChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
+{
+	w->onPositionChanged = f;
+	w->onPositionChangedData = data;
+}
+
+// void uiWindowContentSize(uiWindow *w, int *width, int *height)
+
+uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
+{
+//	g_signal_connect(w->widget, "delete-event", G_CALLBACK(onClosing), w);
+	g_signal_connect(w->widget, "configure-event", G_CALLBACK(onConfigure), w);
+//	g_signal_connect(w->childHolderWidget, "size-allocate", G_CALLBACK(onSizeAllocate), w);
+//	uiWindowOnClosing(w, defaultOnClosing, NULL);
+	uiWindowOnPositionChanged(w, defaultOnPositionContentSizeChanged, NULL);
+//	uiWindowOnContentSizeChanged(w, defaultOnPositionContentSizeChanged, NULL);
+}