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Fixed the GTK+ window code.

This commit is contained in:
Pietro Gagliardi 2016-06-15 20:45:10 -04:00
parent f98318fb3a
commit 48c13c738a
1 changed files with 24 additions and 4 deletions
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28
unix/window.c
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@ -21,6 +21,7 @@ struct uiWindow {
void *onClosingData;
void (*onPositionChanged)(uiWindow *, void *);
void *onPositionChangedData;
gboolean changingPosition;
};
static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data)
@ -34,6 +35,19 @@ static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data)
return TRUE;
}
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 int defaultOnClosing(uiWindow *w, void *data)
{
return 0;
@ -120,10 +134,16 @@ void uiWindowPosition(uiWindow *w, int *x, int *y)
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 (gtk_main_iteration() != FALSE)
break; // stop early if gtk_main_quit() called
}
// TODO after calling this I have to call get_position() a few times before it actually works
void uiWindowCenter(uiWindow *w)
{
gint x, y;
@ -141,11 +161,10 @@ void uiWindowCenter(uiWindow *w)
x = (workarea.width - winalloc.width) / 2;
y = (workarea.height - winalloc.height) / 2;
// TODO move up slightly? see what Mutter or GNOME Shell does?
gtk_window_move(w->window, x, y);
// TODO move up slightly? see what Mutter or GNOME Shell or GNOME Terminal do(es)?
uiWindowSetPosition(w, x, y);
}
// TODO find a signal to connect to
void uiWindowOnPositionChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
{
w->onPositionChanged = f;
@ -213,6 +232,7 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
// and connect our events
g_signal_connect(w->widget, "delete-event", G_CALLBACK(onClosing), w);
g_signal_connect(w->widget, "configure-event", G_CALLBACK(onConfigure), w);
uiWindowOnClosing(w, defaultOnClosing, NULL);
uiWindowOnPositionChanged(w, defaultOnPositionChanged, NULL);