X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/276612f7e4f0d7dd103000d065adef58537aa708..c437b3f4e47b74715a2f2385d4862972babd7802:/src/common/popupcmn.cpp

diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp
index 50b97f5080..5b1a49504b 100644
--- a/src/common/popupcmn.cpp
+++ b/src/common/popupcmn.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        common/popupcmn.cpp
+// Name:        src/common/popupcmn.cpp
 // Purpose:     implementation of wxPopupTransientWindow
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "popupwinbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -33,21 +29,25 @@
 #include "wx/popupwin.h"
 
 #ifndef WX_PRECOMP
-    #include "wx/combobox.h"        // wxComboControl
+    #include "wx/combobox.h"        // wxComboCtrl
     #include "wx/app.h"             // wxPostEvent
     #include "wx/log.h"
-    #include "wx/app.h"
 #endif //WX_PRECOMP
 
+#include "wx/display.h"
+#include "wx/recguard.h"
+
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/renderer.h"
+    #include "wx/scrolbar.h"
 #endif // __WXUNIVERSAL__
 
 #ifdef __WXGTK__
     #include <gtk/gtk.h>
-#endif
-#ifdef __WXX11__
-#include "wx/x11/private.h"
+#elif defined(__WXMSW__)
+    #include "wx/msw/private.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/private.h"
 #endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
@@ -67,7 +67,6 @@ class wxPopupWindowHandler : public wxEvtHandler
 {
 public:
     wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
-    ~wxPopupWindowHandler();
 
 protected:
     // event handlers
@@ -77,14 +76,13 @@ private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(wxPopupWindowHandler)
+    wxDECLARE_NO_COPY_CLASS(wxPopupWindowHandler);
 };
 
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:
     wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
-    ~wxPopupFocusHandler();
 
 protected:
     void OnKillFocus(wxFocusEvent& event);
@@ -94,7 +92,7 @@ private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(wxPopupFocusHandler)
+    wxDECLARE_NO_COPY_CLASS(wxPopupFocusHandler);
 };
 
 // ----------------------------------------------------------------------------
@@ -110,6 +108,12 @@ BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown)
 END_EVENT_TABLE()
 
+BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif
+END_EVENT_TABLE()
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -131,13 +135,31 @@ bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags))
 void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
                                  const wxSize& size)
 {
-    wxSize sizeScreen = wxGetDisplaySize(),
-           sizeSelf = GetSize();
+    // determine the position and size of the screen we clamp the popup to
+    wxPoint posScreen;
+    wxSize sizeScreen;
+
+    const int displayNum = wxDisplay::GetFromPoint(ptOrigin);
+    if ( displayNum != wxNOT_FOUND )
+    {
+        const wxRect rectScreen = wxDisplay(displayNum).GetGeometry();
+        posScreen = rectScreen.GetPosition();
+        sizeScreen = rectScreen.GetSize();
+    }
+    else // outside of any display?
+    {
+        // just use the primary one then
+        posScreen = wxPoint(0, 0);
+        sizeScreen = wxGetDisplaySize();
+    }
+
+
+    const wxSize sizeSelf = GetSize();
 
     // is there enough space to put the popup below the window (where we put it
     // by default)?
     wxCoord y = ptOrigin.y + size.y;
-    if ( y + sizeSelf.y > sizeScreen.y )
+    if ( y + sizeSelf.y > posScreen.y + sizeScreen.y )
     {
         // check if there is enough space above
         if ( ptOrigin.y > sizeSelf.y )
@@ -149,8 +171,19 @@ void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
     }
 
     // now check left/right too
-    wxCoord x = ptOrigin.x + size.x;
-    if ( x + sizeSelf.x > sizeScreen.x )
+    wxCoord x = ptOrigin.x;
+
+    if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+    {
+        // shift the window to the left instead of the right.
+        x -= size.x;
+        x -= sizeSelf.x;        // also shift it by window width.
+    }
+    else
+        x += size.x;
+
+
+    if ( x + sizeSelf.x > posScreen.x + sizeScreen.x )
     {
         // check if there is enough space to the left
         if ( ptOrigin.x > sizeSelf.x )
@@ -171,7 +204,7 @@ void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
 void wxPopupTransientWindow::Init()
 {
     m_child =
-    m_focus = (wxWindow *)NULL;
+    m_focus = NULL;
 
     m_handlerFocus = NULL;
     m_handlerPopup = NULL;
@@ -186,46 +219,41 @@ wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent, int style)
 
 wxPopupTransientWindow::~wxPopupTransientWindow()
 {
-    PopHandlers();
+    if (m_handlerPopup && m_handlerPopup->GetNextHandler())
+        PopHandlers();
+
+    wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+    wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
+
+    delete m_handlerFocus;
+    delete m_handlerPopup;
 }
 
 void wxPopupTransientWindow::PopHandlers()
 {
     if ( m_child )
     {
-        if ( m_handlerPopup && !m_child->RemoveEventHandler(m_handlerPopup) )
+        if ( !m_child->RemoveEventHandler(m_handlerPopup) )
         {
             // something is very wrong and someone else probably deleted our
             // handler - so don't risk deleting it second time
             m_handlerPopup = NULL;
         }
-
+        if (m_child->HasCapture())
+        {
+            m_child->ReleaseMouse();
+        }
         m_child = NULL;
     }
 
-#ifdef __WXMSW__
     if ( m_focus )
     {
-        if ( m_handlerFocus && !m_focus->RemoveEventHandler(m_handlerFocus) )
+        if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
         {
             // see above
             m_handlerFocus = NULL;
         }
     }
-#else
-    if ( m_handlerFocus && !RemoveEventHandler(m_handlerFocus) )
-    {
-        // see above
-        m_handlerFocus = NULL;
-    }
-#endif
-
-    // delete the handlers, they'll be created as necessary in Popup()
-    delete m_handlerPopup;
-    m_handlerPopup = NULL;
-    delete m_handlerFocus;
-    m_handlerFocus = NULL;
-
     m_focus = NULL;
 }
 
@@ -243,46 +271,44 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
 
     Show();
 
-    // There is is a problem if these are still valid
-    wxASSERT_MSG(!m_handlerPopup, wxT("Popup handler not deleted"));
-    wxASSERT_MSG(!m_handlerFocus, wxT("Focus handler not deleted"));
+    // There is a problem if these are still in use
+    wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+    wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
 
-    delete m_handlerPopup;
-    m_handlerPopup = new wxPopupWindowHandler(this);
+    if (!m_handlerPopup)
+        m_handlerPopup = new wxPopupWindowHandler(this);
 
     m_child->PushEventHandler(m_handlerPopup);
 
-    m_focus = winFocus ? winFocus : this;
-    m_focus->SetFocus();
+#if defined(__WXMSW__)
+    // Focusing on child of popup window does not work on MSW unless WS_POPUP
+    // style is set. We do not even want to try to set the focus, as it may
+    // provoke errors on some Windows versions (Vista and later).
+    if ( ::GetWindowLong(GetHwnd(), GWL_STYLE) & WS_POPUP )
+#endif
+    {
+        m_focus = winFocus ? winFocus : this;
+        m_focus->SetFocus();
+    }
 
-#ifdef __WXMSW__
+#if defined( __WXMSW__ ) || (defined( __WXMAC__) && wxOSX_USE_CARBON)
     // MSW doesn't allow to set focus to the popup window, but we need to
     // subclass the window which has the focus, and not winFocus passed in or
     // otherwise everything else breaks down
     m_focus = FindFocus();
+#elif defined(__WXGTK__)
+    // GTK+ catches the activate events from the popup
+    // window, not the focus events from the child window
+    m_focus = this;
+#endif
+
     if ( m_focus )
     {
-        delete m_handlerFocus;
-        m_handlerFocus = new wxPopupFocusHandler(this);
+        if (!m_handlerFocus)
+            m_handlerFocus = new wxPopupFocusHandler(this);
 
         m_focus->PushEventHandler(m_handlerFocus);
     }
-#else
-    // GTK+ catches the activate events from the popup
-    // window, not the focus events from the child window
-    delete m_handlerFocus;
-    m_handlerFocus = new wxPopupFocusHandler(this);
-    PushEventHandler(m_handlerFocus);
-#endif // __WXMSW__
-
-    // catch destroy events, if you close a program with a popup shown in MSW
-    // you get a segfault if m_child or m_focus are deleted before this is
-    m_child->Connect(wxEVT_DESTROY,
-                     wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
-                     NULL, this);
-    m_focus->Connect(wxEVT_DESTROY,
-                     wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
-                     NULL, this);
 }
 
 bool wxPopupTransientWindow::Show( bool show )
@@ -303,6 +329,13 @@ bool wxPopupTransientWindow::Show( bool show )
     }
 #endif
 
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    if (!show && m_child && m_child->HasCapture())
+    {
+        m_child->ReleaseMouse();
+    }
+#endif
+
     bool ret = wxPopupWindow::Show( show );
 
 #ifdef __WXGTK__
@@ -316,8 +349,8 @@ bool wxPopupTransientWindow::Show( bool show )
                              GDK_BUTTON_RELEASE_MASK |
                              GDK_POINTER_MOTION_HINT_MASK |
                              GDK_POINTER_MOTION_MASK),
-                          (GdkWindow *) NULL,
-                          (GdkCursor *) NULL,
+                          NULL,
+                          NULL,
                           (guint32)GDK_CURRENT_TIME );
     }
 #endif
@@ -337,20 +370,27 @@ bool wxPopupTransientWindow::Show( bool show )
             CurrentTime );
     }
 #endif
+
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    if (show && m_child)
+    {
+        // Assume that the mouse is outside the popup to begin with
+        m_child->CaptureMouse();
+    }
+#endif
+
     return ret;
 }
 
 void wxPopupTransientWindow::Dismiss()
 {
-    PopHandlers();
-
     Hide();
+    PopHandlers();
 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();
-
     OnDismiss();
 }
 
@@ -365,13 +405,34 @@ bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
     return false;
 }
 
-void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event)
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
 {
-    if (event.GetEventObject() == m_child)
-        m_child = NULL;
-    if (event.GetEventObject() == m_focus)
-        m_focus = NULL;
+    event.Skip();
+
+    if (IsShown() && m_child)
+    {
+        wxPoint pos = ScreenToClient(wxGetMousePosition());
+        wxRect rect(GetSize());
+
+        if ( rect.Contains(pos) )
+        {
+            if ( m_child->HasCapture() )
+            {
+                m_child->ReleaseMouse();
+            }
+        }
+        else
+        {
+            if ( !m_child->HasCapture() )
+            {
+                m_child->CaptureMouse();
+            }
+        }
+    }
 }
+#endif // __WXMSW__
+
 
 #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
 
@@ -383,13 +444,13 @@ BEGIN_EVENT_TABLE(wxPopupComboWindow, wxPopupTransientWindow)
     EVT_KEY_DOWN(wxPopupComboWindow::OnKeyDown)
 END_EVENT_TABLE()
 
-wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent)
+wxPopupComboWindow::wxPopupComboWindow(wxComboCtrl *parent)
                   : wxPopupTransientWindow(parent)
 {
     m_combo = parent;
 }
 
-bool wxPopupComboWindow::Create(wxComboControl *parent)
+bool wxPopupComboWindow::Create(wxComboCtrl *parent)
 {
     m_combo = parent;
 
@@ -417,12 +478,12 @@ void wxPopupComboWindow::PositionNearCombo()
 
 void wxPopupComboWindow::OnDismiss()
 {
-    m_combo->OnDismiss();
+    m_combo->OnPopupDismiss();
 }
 
 void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
 {
-    m_combo->ProcessEvent(event);
+    m_combo->ProcessWindowEvent(event);
 }
 
 #endif // wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
@@ -430,11 +491,6 @@ void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
 // ----------------------------------------------------------------------------
 // wxPopupWindowHandler
 // ----------------------------------------------------------------------------
-wxPopupWindowHandler::~wxPopupWindowHandler()
-{
-    if (m_popup && (m_popup->m_handlerPopup == this))
-        m_popup->m_handlerPopup = NULL;
-}
 
 void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 {
@@ -447,8 +503,11 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 
     wxPoint pos = event.GetPosition();
 
-    // scrollbar on which the click occured
+    // in non-Univ ports the system manages scrollbars for us
+#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
+    // scrollbar on which the click occurred
     wxWindow *sbar = NULL;
+#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
 
     wxWindow *win = (wxWindow *)event.GetEventObject();
 
@@ -468,20 +527,20 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
                 // dismissing a tooltip shouldn't waste a click, i.e. you
                 // should be able to dismiss it and press the button with the
                 // same click, so repost this event to the window beneath us
-                wxWindow *win = wxFindWindowAtPoint(event2.GetPosition());
-                if ( win )
+                wxWindow *winUnder = wxFindWindowAtPoint(event2.GetPosition());
+                if ( winUnder )
                 {
                     // translate the event coords to the ones of the window
                     // which is going to get the event
-                    win->ScreenToClient(&event2.m_x, &event2.m_y);
+                    winUnder->ScreenToClient(&event2.m_x, &event2.m_y);
 
-                    event2.SetEventObject(win);
-                    wxPostEvent(win, event2);
+                    event2.SetEventObject(winUnder);
+                    wxPostEvent(winUnder->GetEventHandler(), event2);
                 }
             }
             break;
 
-#ifdef __WXUNIVERSAL__
+#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
         case wxHT_WINDOW_HORZ_SCROLLBAR:
             sbar = win->GetScrollbar(wxHORIZONTAL);
             break;
@@ -489,7 +548,7 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
         case wxHT_WINDOW_VERT_SCROLLBAR:
             sbar = win->GetScrollbar(wxVERTICAL);
             break;
-#endif
+#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
 
         default:
             // forgot to update the switch after adding a new hit test code?
@@ -506,6 +565,7 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
             break;
     }
 
+#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
     if ( sbar )
     {
         // translate the event coordinates to the scrollbar ones
@@ -518,16 +578,12 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 
         (void)sbar->GetEventHandler()->ProcessEvent(event2);
     }
+#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
 }
 
 // ----------------------------------------------------------------------------
 // wxPopupFocusHandler
 // ----------------------------------------------------------------------------
-wxPopupFocusHandler::~wxPopupFocusHandler()
-{
-    if (m_popup && (m_popup->m_handlerFocus == this))
-        m_popup->m_handlerFocus = NULL;
-}
 
 void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 {
@@ -546,8 +602,18 @@ void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 
 void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event)
 {
+    // we can be associated with the popup itself in which case we should avoid
+    // infinite recursion
+    static int s_inside;
+    wxRecursionGuard guard(s_inside);
+    if ( guard.IsInside() )
+    {
+        event.Skip();
+        return;
+    }
+
     // let the window have it first, it might process the keys
-    if ( !m_popup->ProcessEvent(event) )
+    if ( !m_popup->GetEventHandler()->ProcessEvent(event) )
     {
         // by default, dismiss the popup
         m_popup->DismissAndNotify();
@@ -555,4 +621,3 @@ void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event)
 }
 
 #endif // wxUSE_POPUPWIN
-