libui/unix/window.c

158 lines
3.8 KiB
C

// 6 april 2015
#include "uipriv_unix.h"
struct window {
uiWindow w;
GtkWidget *widget;
GtkContainer *container;
GtkWindow *window;
uiParent *content;
int (*onClosing)(uiWindow *, void *);
void *onClosingData;
int margined;
gboolean canDestroy;
};
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;
}
static void onDestroy(GtkWidget *widget, gpointer data)
{
struct window *w = (struct window *) data;
if (!w->canDestroy)
// TODO switch to complain()
g_error("attempt to dispose uiWindow at %p before uiWindowDestroy()", w);
uiFree(w);
}
// 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, destroy the content uiParent
uiParentDestroy(w->content);
// now that we cleaned up properly, we can mark our window as ready to be destroyed
w->canDestroy = TRUE;
// finally, destroy the window
gtk_widget_destroy(w->widget);
}
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;
uiParentSetMainControl(w->content, c);
uiParentUpdate(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)
uiParentSetMargins(w->content, gtkXMargin, gtkYMargin, gtkXMargin, gtkYMargin);
else
uiParentSetMargins(w->content, 0, 0, 0, 0);
uiParentUpdate(w->content);
}
uiWindow *uiNewWindow(const char *title, int width, int height)
{
struct window *w;
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);
gtk_window_resize(w->window, width, height);
g_signal_connect(w->widget, "delete-event", G_CALLBACK(onClosing), w);
g_signal_connect(w->widget, "destroy", G_CALLBACK(onDestroy), w);
w->content = uiNewParent((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);
}