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-rw-r--r--wx+/file_drop.h8
-rw-r--r--wx+/key_event.h118
-rw-r--r--wx+/popup_dlg_generated.cpp2
-rw-r--r--wx+/popup_dlg_generated.h2
4 files changed, 120 insertions, 10 deletions
diff --git a/wx+/file_drop.h b/wx+/file_drop.h
index 1cc24ebd..5a28096d 100644
--- a/wx+/file_drop.h
+++ b/wx+/file_drop.h
@@ -35,14 +35,6 @@ void setupFileDrop(wxWindow& wnd);
-
-
-
-
-
-
-
-
namespace impl
{
inline
diff --git a/wx+/key_event.h b/wx+/key_event.h
new file mode 100644
index 00000000..60cb7372
--- /dev/null
+++ b/wx+/key_event.h
@@ -0,0 +1,118 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
+// **************************************************************************
+
+#ifndef KEY_EVENT_H_086130871086708354674
+#define KEY_EVENT_H_086130871086708354674
+
+#include <functional>
+#include <zen/scope_guard.h>
+#include <wx/toplevel.h>
+#include <wx/window.h>
+#include <wx/event.h>
+
+namespace zen
+{
+//wxWidgets provides no elegant way to register shortcut keys scoped for dialog windows =>
+//enable dialog-specific local key events!
+
+//setup in wxDialog-derived class' constructor, e.g.:
+// setupLocalKeyEvents(*this, [this](wxKeyEvent& event){ this->onLocalKeyEvent(event); });
+//
+// => redirects local key events to:
+// void MyDlg::onLocalKeyEvent(wxKeyEvent& event);
+void setupLocalKeyEvents(wxWindow& wnd, const std::function<void(wxKeyEvent& event)>& callback); //callback held during life time of "wnd"!
+
+
+
+
+
+
+
+//pretty much the same like "bool wxWindowBase::IsDescendant(wxWindowBase* child) const" but without the obvious misnaming
+inline
+bool isComponentOf(const wxWindow* child, const wxWindow* top)
+{
+ for (const wxWindow* wnd = child; wnd != nullptr; wnd = wnd->GetParent())
+ if (wnd == top)
+ return true;
+ return false;
+}
+
+
+namespace impl
+{
+inline
+const wxTopLevelWindow* getTopLevelWindow(const wxWindow* child)
+{
+ for (const wxWindow* wnd = child; wnd != nullptr; wnd = wnd->GetParent())
+ if (auto tlw = dynamic_cast<const wxTopLevelWindow*>(wnd))
+ return tlw;
+ return nullptr;
+}
+
+
+class LokalKeyEventHandler : public wxWindow //private wxEvtHandler
+{
+public:
+ LokalKeyEventHandler(wxWindow& parent, const std::function<void(wxKeyEvent& event)>& callback) : wxWindow(&parent, wxID_ANY), //use a dummy child window to bind instance life time to parent
+ parent_(parent),
+ callback_(callback),
+ processingCallback(false)
+ {
+ Hide(); //this is just a dummy window so that its parent can have ownership
+ Disable(); //
+
+ //register global hotkeys (without needing explicit menu entry)
+ wxTheApp->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(LokalKeyEventHandler::onGlobalKeyEvent), nullptr, this);
+ wxTheApp->Connect(wxEVT_CHAR_HOOK, wxKeyEventHandler(LokalKeyEventHandler::onGlobalKeyEvent), nullptr, this); //capture direction keys
+ }
+
+ ~LokalKeyEventHandler()
+ {
+ //important! event source wxTheApp lives longer than this instance -> disconnect!
+ wxTheApp->Disconnect(wxEVT_KEY_DOWN, wxKeyEventHandler(LokalKeyEventHandler::onGlobalKeyEvent), nullptr, this);
+ wxTheApp->Disconnect(wxEVT_CHAR_HOOK, wxKeyEventHandler(LokalKeyEventHandler::onGlobalKeyEvent), nullptr, this);
+ }
+
+private:
+ void onGlobalKeyEvent(wxKeyEvent& event)
+ {
+ const wxWindow* focus = wxWindow::FindFocus();
+ const wxTopLevelWindow* tlw = getTopLevelWindow(&parent_);
+
+ //avoid recursion!!! -> this ugly construct seems to be the only (portable) way to avoid re-entrancy
+ //recursion may happen in multiple situations: e.g. modal dialogs, Grid::ProcessEvent()!
+ if (processingCallback ||
+ !isComponentOf(focus, &parent_) ||
+ !parent_.IsEnabled() || //only handle if window is in use and no modal dialog is shown:
+ !tlw || !const_cast<wxTopLevelWindow*>(tlw)->IsActive()) //thanks to wxWidgets non-portability we need both checks:
+ //IsEnabled() is sufficient for Windows, IsActive() is needed on OS X since it does NOT disable the parent when showing a modal dialog
+ {
+ event.Skip();
+ return;
+ }
+ processingCallback = true;
+ ZEN_ON_SCOPE_EXIT(processingCallback = false;)
+
+ callback_(event);
+ }
+
+ wxWindow& parent_;
+ const std::function<void(wxKeyEvent& event)> callback_;
+ bool processingCallback;
+};
+}
+
+
+inline
+void setupLocalKeyEvents(wxWindow& wnd, const std::function<void(wxKeyEvent& event)>& callback)
+{
+ new impl::LokalKeyEventHandler(wnd, callback); //ownership passed to "wnd"!
+}
+
+}
+
+#endif //KEY_EVENT_H_086130871086708354674
diff --git a/wx+/popup_dlg_generated.cpp b/wx+/popup_dlg_generated.cpp
index 70c5cb20..bb804026 100644
--- a/wx+/popup_dlg_generated.cpp
+++ b/wx+/popup_dlg_generated.cpp
@@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Oct 8 2012)
+// C++ code generated with wxFormBuilder (version Feb 26 2014)
// http://www.wxformbuilder.org/
//
// PLEASE DO "NOT" EDIT THIS FILE!
diff --git a/wx+/popup_dlg_generated.h b/wx+/popup_dlg_generated.h
index 3aab2257..0afd1f55 100644
--- a/wx+/popup_dlg_generated.h
+++ b/wx+/popup_dlg_generated.h
@@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Oct 8 2012)
+// C++ code generated with wxFormBuilder (version Feb 26 2014)
// http://www.wxformbuilder.org/
//
// PLEASE DO "NOT" EDIT THIS FILE!
bgstack15