X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3390759eb3680ec3730cb7ddb1a5e0649bcbdadc..eea4d01c65f9b29baa1193db762b4c6b8144af24:/src/common/popupcmn.cpp

diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp
index b1e1eeade7..f4b812330e 100644
--- a/src/common/popupcmn.cpp
+++ b/src/common/popupcmn.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        common/popupcmn.cpp
+// Name:        src/common/popupcmn.cpp
 // Purpose:     implementation of wxPopupTransientWindow
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     06.01.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "popupwinbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,27 +24,38 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_POPUPWIN && !defined(__WXMOTIF__)
+#if wxUSE_POPUPWIN
 
 #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__
 
-// there is no src/{msw,mgl}/popupwin.cpp to put this in, so we do it here - BTW we
-// probably could do it for all ports here just as well
-#if defined(__WXMSW__) || defined(__WXMGL__)
-    IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
-#endif // __WXMSW__
+#ifdef __WXGTK__
+    #include <gtk/gtk.h>
+    #if GTK_CHECK_VERSION(2,0,0)
+        #include "wx/gtk/private/gtk2-compat.h"
+    #else
+        #define gtk_widget_get_window(x) x->window
+    #endif
+#elif defined(__WXMSW__)
+    #include "wx/msw/private.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/private.h"
+#endif
 
+IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
 IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow)
 
 #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
@@ -64,7 +71,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow)
 class wxPopupWindowHandler : public wxEvtHandler
 {
 public:
-    wxPopupWindowHandler(wxPopupTransientWindow *popup) { m_popup = popup; }
+    wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
 
 protected:
     // event handlers
@@ -74,36 +81,23 @@ private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
+    wxDECLARE_NO_COPY_CLASS(wxPopupWindowHandler);
 };
 
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:
-    wxPopupFocusHandler(wxPopupTransientWindow *popup)
-    {
-        m_popup = popup;
-
-#ifdef __WXGTK__
-        // ignore the next few OnKillFocus() calls
-        m_creationTime = time(NULL);
-#endif // __WXGTK__
-    }
+    wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
 
 protected:
-    // event handlers
     void OnKillFocus(wxFocusEvent& event);
-    void OnKeyDown(wxKeyEvent& event);
+    void OnChar(wxKeyEvent& event);
 
 private:
     wxPopupTransientWindow *m_popup;
 
-    // hack around wxGTK bug: we always get several kill focus events
-    // immediately after creation!
-#ifdef __WXGTK__
-    time_t m_creationTime;
-#endif // __WXGTK__
-
     DECLARE_EVENT_TABLE()
+    wxDECLARE_NO_COPY_CLASS(wxPopupFocusHandler);
 };
 
 // ----------------------------------------------------------------------------
@@ -116,7 +110,13 @@ END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KILL_FOCUS(wxPopupFocusHandler::OnKillFocus)
-    EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown)
+    EVT_CHAR(wxPopupFocusHandler::OnChar)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
+#if defined( __WXMSW__ ) || ( defined( __WXMAC__ ) && wxOSX_USE_CARBON )
+    EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif
 END_EVENT_TABLE()
 
 // ============================================================================
@@ -134,19 +134,37 @@ wxPopupWindowBase::~wxPopupWindowBase()
 
 bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags))
 {
-    return TRUE;
+    return true;
 }
 
 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 )
@@ -158,8 +176,19 @@ 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 )
@@ -180,7 +209,7 @@ void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
 void wxPopupTransientWindow::Init()
 {
     m_child =
-    m_focus = (wxWindow *)NULL;
+    m_focus = NULL;
 
     m_handlerFocus = NULL;
     m_handlerPopup = NULL;
@@ -195,7 +224,11 @@ 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;
@@ -211,22 +244,22 @@ void wxPopupTransientWindow::PopHandlers()
             // handler - so don't risk deleting it second time
             m_handlerPopup = NULL;
         }
-
-        m_child->ReleaseMouse();
+        if (m_child->HasCapture())
+        {
+            m_child->ReleaseMouse();
+        }
         m_child = NULL;
     }
 
     if ( m_focus )
     {
-#ifndef __WXX11__
         if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
         {
             // see above
             m_handlerFocus = NULL;
         }
-#endif
-        m_focus = NULL;
     }
+    m_focus = NULL;
 }
 
 void wxPopupTransientWindow::Popup(wxWindow *winFocus)
@@ -241,49 +274,128 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
         m_child = this;
     }
 
-    // we can't capture mouse before the window is shown in wxGTK, so do it
-    // first
     Show();
 
-    delete m_handlerPopup;
-    m_handlerPopup = new wxPopupWindowHandler(this);
+    // There is a problem if these are still in use
+    wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+    wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
 
-    m_child->CaptureMouse();
-    m_child->PushEventHandler(m_handlerPopup);
+    if (!m_handlerPopup)
+        m_handlerPopup = new wxPopupWindowHandler(this);
 
-    m_focus = winFocus ? winFocus : this;
-    m_focus->SetFocus();
+    m_child->PushEventHandler(m_handlerPopup);
 
-#ifndef __WXX11__
+#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 )
-#endif // __WXMSW__
     {
-        delete m_handlerFocus;
-        m_handlerFocus = new wxPopupFocusHandler(this);
+        if (!m_handlerFocus)
+            m_handlerFocus = new wxPopupFocusHandler(this);
 
         m_focus->PushEventHandler(m_handlerFocus);
     }
+}
+
+bool wxPopupTransientWindow::Show( bool show )
+{
+#ifdef __WXGTK__
+    if (!show)
+    {
+        gdk_pointer_ungrab( (guint32)GDK_CURRENT_TIME );
+
+        gtk_grab_remove( m_widget );
+    }
+#endif
 
-#endif // !__WXX11__
+#ifdef __WXX11__
+    if (!show)
+    {
+        XUngrabPointer( wxGlobalDisplay(), CurrentTime );
+    }
+#endif
+
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    if (!show && m_child && m_child->HasCapture())
+    {
+        m_child->ReleaseMouse();
+    }
+#endif
+
+    bool ret = wxPopupWindow::Show( show );
+
+#ifdef __WXGTK__
+    if (show)
+    {
+        gtk_grab_add( m_widget );
+
+        gdk_pointer_grab( gtk_widget_get_window(m_widget), true,
+                          (GdkEventMask)
+                            (GDK_BUTTON_PRESS_MASK |
+                             GDK_BUTTON_RELEASE_MASK |
+                             GDK_POINTER_MOTION_HINT_MASK |
+                             GDK_POINTER_MOTION_MASK),
+                          NULL,
+                          NULL,
+                          (guint32)GDK_CURRENT_TIME );
+    }
+#endif
+
+#ifdef __WXX11__
+    if (show)
+    {
+        Window xwindow = (Window) m_clientWindow;
+
+        /* int res =*/ XGrabPointer(wxGlobalDisplay(), xwindow,
+            True,
+            ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
+            GrabModeAsync,
+            GrabModeAsync,
+            None,
+            None,
+            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();
 }
 
@@ -295,8 +407,37 @@ void wxPopupTransientWindow::OnDismiss()
 bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
 {
     // no special processing here
-    return FALSE;
+    return false;
+}
+
+#if defined( __WXMSW__ ) || ( defined( __WXMAC__ ) && wxOSX_USE_CARBON )
+void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
+{
+    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__)
 
@@ -304,13 +445,17 @@ bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
 // wxPopupComboWindow
 // ----------------------------------------------------------------------------
 
-wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent)
+BEGIN_EVENT_TABLE(wxPopupComboWindow, wxPopupTransientWindow)
+    EVT_KEY_DOWN(wxPopupComboWindow::OnKeyDown)
+END_EVENT_TABLE()
+
+wxPopupComboWindow::wxPopupComboWindow(wxComboCtrl *parent)
                   : wxPopupTransientWindow(parent)
 {
     m_combo = parent;
 }
 
-bool wxPopupComboWindow::Create(wxComboControl *parent)
+bool wxPopupComboWindow::Create(wxComboCtrl *parent)
 {
     m_combo = parent;
 
@@ -320,7 +465,7 @@ bool wxPopupComboWindow::Create(wxComboControl *parent)
 void wxPopupComboWindow::PositionNearCombo()
 {
     // the origin point must be in screen coords
-    wxPoint ptOrigin = m_combo->ClientToScreen(wxPoint(0, 0));
+    wxPoint ptOrigin = m_combo->ClientToScreen(wxPoint(0,0));
 
 #if 0 //def __WXUNIVERSAL__
     // account for the fact that (0, 0) is not the top left corner of the
@@ -338,7 +483,12 @@ void wxPopupComboWindow::PositionNearCombo()
 
 void wxPopupComboWindow::OnDismiss()
 {
-    m_combo->OnDismiss();
+    m_combo->OnPopupDismiss(true);
+}
+
+void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
+{
+    m_combo->ProcessWindowEvent(event);
 }
 
 #endif // wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
@@ -358,8 +508,11 @@ 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();
 
@@ -379,20 +532,20 @@ 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;
@@ -400,11 +553,11 @@ 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?
-            wxFAIL_MSG( _T("unexpected HitTest() return value") );
+            wxFAIL_MSG( wxT("unexpected HitTest() return value") );
             // fall through
 
         case wxHT_WINDOW_CORNER:
@@ -417,6 +570,7 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
             break;
     }
 
+#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
     if ( sbar )
     {
         // translate the event coordinates to the scrollbar ones
@@ -429,6 +583,7 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 
         (void)sbar->GetEventHandler()->ProcessEvent(event2);
     }
+#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
 }
 
 // ----------------------------------------------------------------------------
@@ -437,16 +592,6 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 
 void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 {
-#ifdef __WXGTK__
-    // ignore the next OnKillFocus() call
-    if ( time(NULL) < m_creationTime + 1 )
-    {
-        event.Skip();
-
-        return;
-    }
-#endif // __WXGTK__
-
     // when we lose focus we always disappear - unless it goes to the popup (in
     // which case we don't really lose it)
     wxWindow *win = event.GetWindow();
@@ -460,10 +605,20 @@ void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
     m_popup->DismissAndNotify();
 }
 
-void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event)
+void wxPopupFocusHandler::OnChar(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();
@@ -471,4 +626,3 @@ void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event)
 }
 
 #endif // wxUSE_POPUPWIN
-