// 6 april 2015 #include "uipriv_unix.h" struct window { uiWindow w; GtkWidget *widget; GtkContainer *container; GtkWindow *window; uiOSContainer *content; int (*onClosing)(uiWindow *, void *); void *onClosingData; int margined; gulong destroyBlocker; }; static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data) { struct window *w = (struct window *) data; // manually destroy the window ourselves; don't let the delete-event handler do it if ((*(w->onClosing))(uiWindow(w), w->onClosingData)) uiWindowDestroy(uiWindow(w)); return TRUE; // don't continue to the default delete-event handler; we destroyed the window by now } static int defaultOnClosing(uiWindow *w, void *data) { return 1; } // TODO should we change the GtkWindow's child first? static void windowDestroy(uiWindow *ww) { struct window *w = (struct window *) ww; // first, hide the window to prevent our cleanup from being noticed gtk_widget_hide(w->widget); // next, remove the uiOSContainer from the GtkWindow so the GtkWindow can release its reference on the uiOSContainer gtk_container_remove(w->container, GTK_WIDGET(uiOSContainerHandle(w->content))); // next, destroy the content uiOSContainer // this will destroy any children uiOSContainerDestroy(w->content); // now that we cleaned up properly, we can mark our window as ready to be destroyed //TODO g_signal_handler_disconnect(w->widget, w->destroyBlocker); // finally, destroy the window gtk_widget_destroy(w->widget); // and free ourselves uiFree(w); } static uintptr_t windowHandle(uiWindow *ww) { struct window *w = (struct window *) ww; return (uintptr_t) (w->widget); } static char *windowTitle(uiWindow *ww) { struct window *w = (struct window *) ww; return g_strdup(gtk_window_get_title(w->window)); } static void windowSetTitle(uiWindow *ww, const char *title) { struct window *w = (struct window *) ww; gtk_window_set_title(w->window, title); } static void windowShow(uiWindow *ww) { struct window *w = (struct window *) ww; // don't use gtk_widget_show_all(); that will override user hidden settings gtk_widget_show(w->widget); } static void windowHide(uiWindow *ww) { struct window *w = (struct window *) ww; gtk_widget_hide(w->widget); } static void windowOnClosing(uiWindow *ww, int (*f)(uiWindow *, void *), void *data) { struct window *w = (struct window *) ww; w->onClosing = f; w->onClosingData = data; } static void windowSetChild(uiWindow *ww, uiControl *c) { struct window *w = (struct window *) ww; uiOSContainerSetMainControl(w->content, c); uiOSContainerUpdate(w->content); } static int windowMargined(uiWindow *ww) { struct window *w = (struct window *) ww; return w->margined; } static void windowSetMargined(uiWindow *ww, int margined) { struct window *w = (struct window *) ww; w->margined = margined; if (w->margined) uiOSContainerSetMargins(w->content, gtkXMargin, gtkYMargin, gtkXMargin, gtkYMargin); else uiOSContainerSetMargins(w->content, 0, 0, 0, 0); uiOSContainerUpdate(w->content); } uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar) { struct window *w; GtkWidget *vbox; GtkWidget *contentWidget; w = uiNew(struct window); w->widget = gtk_window_new(GTK_WINDOW_TOPLEVEL); w->container = GTK_CONTAINER(w->widget); 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); //TODO w->destroyBlocker = g_signal_connect(w->widget, "destroy", G_CALLBACK(destroyBlocker), w); if (hasMenubar) { vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_widget_show_all(vbox); gtk_container_add(w->container, vbox); //TODO gtk_container_add(GTK_CONTAINER(vbox), makeMenubar()); w->content = uiNewOSContainer((uintptr_t) GTK_CONTAINER(vbox)); contentWidget = GTK_WIDGET(uiOSContainerHandle(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 = uiNewOSContainer((uintptr_t) (w->container)); w->onClosing = defaultOnClosing; uiWindow(w)->Destroy = windowDestroy; uiWindow(w)->Handle = windowHandle; uiWindow(w)->Title = windowTitle; uiWindow(w)->SetTitle = windowSetTitle; uiWindow(w)->Show = windowShow; uiWindow(w)->Hide = windowHide; uiWindow(w)->OnClosing = windowOnClosing; uiWindow(w)->SetChild = windowSetChild; uiWindow(w)->Margined = windowMargined; uiWindow(w)->SetMargined = windowSetMargined; return uiWindow(w); }