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