diff options
Diffstat (limited to 'src/Fl_Window_Driver.cxx')
| -rw-r--r-- | src/Fl_Window_Driver.cxx | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/Fl_Window_Driver.cxx b/src/Fl_Window_Driver.cxx index a9faa3211..dbd9c4d08 100644 --- a/src/Fl_Window_Driver.cxx +++ b/src/Fl_Window_Driver.cxx @@ -41,6 +41,7 @@ Fl_Window_Driver::Fl_Window_Driver(Fl_Window *win) : pWindow(win) { wait_for_expose_value = 0; other_xid = 0; + screen_num_ = 0; } @@ -219,8 +220,10 @@ void Fl_Window_Driver::wait_for_expose() { } int Fl_Window_Driver::screen_num() { - if (pWindow->parent()) return Fl_Window_Driver::driver(pWindow->top_window())->screen_num(); - return Fl::screen_num(x(), y(), w(), h()); + if (pWindow->parent()) { + screen_num_ = Fl_Window_Driver::driver(pWindow->top_window())->screen_num(); + } + return screen_num_ >= 0 ? screen_num_ : 0; } bool Fl_Window_Driver::is_a_rescale_ = false; |