///////////////////////////////////////////////////////////////////////////////
-// 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 licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// 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"
#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"
+ #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)
{
public:
wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
- ~wxPopupWindowHandler();
protected:
// event handlers
void OnLeftDown(wxMouseEvent& event);
+ void OnCaptureLost(wxMouseCaptureLostEvent& event);
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);
- void OnKeyDown(wxKeyEvent& event);
+ void OnChar(wxKeyEvent& event);
private:
wxPopupTransientWindow *m_popup;
DECLARE_EVENT_TABLE()
- DECLARE_NO_COPY_CLASS(wxPopupFocusHandler)
+ wxDECLARE_NO_COPY_CLASS(wxPopupFocusHandler);
};
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxPopupWindowHandler, wxEvtHandler)
EVT_LEFT_DOWN(wxPopupWindowHandler::OnLeftDown)
+ EVT_MOUSE_CAPTURE_LOST(wxPopupWindowHandler::OnCaptureLost)
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_COCOA_OR_CARBON)
+ EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif
END_EVENT_TABLE()
// ============================================================================
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 )
}
// 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 )
// wxPopupTransientWindow
// ----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
-#ifdef __WXMSW__
- EVT_ENTER_WINDOW(wxPopupTransientWindow::OnEnter)
- EVT_LEAVE_WINDOW(wxPopupTransientWindow::OnLeave)
- EVT_LEFT_DOWN(wxPopupTransientWindow::OnLeftDown)
-#endif
-END_EVENT_TABLE()
-
void wxPopupTransientWindow::Init()
{
m_child =
- m_focus = (wxWindow *)NULL;
+ m_focus = NULL;
m_handlerFocus = NULL;
m_handlerPopup = NULL;
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 ( HasCapture() )
- {
- ReleaseCapture();
- }
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;
}
void wxPopupTransientWindow::Popup(wxWindow *winFocus)
{
+ // If we have a single child, we suppose that it must cover the entire
+ // popup window and hence we give the mouse capture to it instead of
+ // keeping it for ourselves.
+ //
+ // Notice that this works best for combobox-like popups which have a single
+ // control inside them and not so well for popups containing a single
+ // wxPanel with multiple children inside it but OTOH it does no harm in
+ // this case neither and we can't reliably distinguish between them.
const wxWindowList& children = GetChildren();
- if ( children.GetCount() )
+ if ( children.GetCount() == 1 )
{
m_child = children.GetFirst()->GetData();
}
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_COCOA_OR_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);
-#ifdef __WXMSW__
- // Assume that the mouse is currently outside of the popup window
- CaptureMouse();
-
- // Connect the child Enter/Leave events too, incase the child completly
- // covers the popup (because then the popup's enter/leave events won't be
- // sent.
- if (m_child != this)
- {
- m_child->Connect(wxEVT_ENTER_WINDOW,
- wxMouseEventHandler(wxPopupTransientWindow::OnChildEnter),
- NULL, this);
- m_child->Connect(wxEVT_LEAVE_WINDOW,
- wxMouseEventHandler(wxPopupTransientWindow::OnChildLeave),
- NULL, this);
- }
-#endif
}
bool wxPopupTransientWindow::Show( bool show )
#ifdef __WXGTK__
if (!show)
{
+#ifdef __WXGTK3__
+ GdkDisplay* display = gtk_widget_get_display(m_widget);
+ GdkDeviceManager* manager = gdk_display_get_device_manager(display);
+ GdkDevice* device = gdk_device_manager_get_client_pointer(manager);
+ gdk_device_ungrab(device, unsigned(GDK_CURRENT_TIME));
+#else
gdk_pointer_ungrab( (guint32)GDK_CURRENT_TIME );
+#endif
gtk_grab_remove( m_widget );
}
}
#endif
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+ if (!show && m_child && m_child->HasCapture())
+ {
+ m_child->ReleaseMouse();
+ }
+#endif
+
bool ret = wxPopupWindow::Show( show );
#ifdef __WXGTK__
{
gtk_grab_add( m_widget );
- gdk_pointer_grab( m_widget->window, TRUE,
- (GdkEventMask)
- (GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_HINT_MASK |
- GDK_POINTER_MOTION_MASK),
- (GdkWindow *) NULL,
- (GdkCursor *) NULL,
+ const GdkEventMask mask = GdkEventMask(
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_POINTER_MOTION_MASK);
+ GdkWindow* window = gtk_widget_get_window(m_widget);
+#ifdef __WXGTK3__
+ GdkDisplay* display = gdk_window_get_display(window);
+ GdkDeviceManager* manager = gdk_display_get_device_manager(display);
+ GdkDevice* device = gdk_device_manager_get_client_pointer(manager);
+ gdk_device_grab(device, window,
+ GDK_OWNERSHIP_NONE, false, mask, NULL, unsigned(GDK_CURRENT_TIME));
+#else
+ gdk_pointer_grab( window, true,
+ mask,
+ NULL,
+ NULL,
(guint32)GDK_CURRENT_TIME );
+#endif
}
#endif
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()
+bool wxPopupTransientWindow::Destroy()
{
- PopHandlers();
+ // The popup window can be deleted at any moment, even while some events
+ // are still being processed for it, so delay its real destruction until
+ // the next idle time when we're sure that it's safe to really destroy it.
+
+ wxCHECK_MSG( !wxPendingDelete.Member(this), false,
+ wxS("Shouldn't destroy the popup twice.") );
+
+ wxPendingDelete.Append(this);
+
+ return true;
+}
+void wxPopupTransientWindow::Dismiss()
+{
Hide();
+ PopHandlers();
}
void wxPopupTransientWindow::DismissAndNotify()
{
Dismiss();
-
OnDismiss();
}
return false;
}
-void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event)
-{
- if (event.GetEventObject() == m_child)
- m_child = NULL;
- if (event.GetEventObject() == m_focus)
- m_focus = NULL;
-}
-
-void wxPopupTransientWindow::OnEnter(wxMouseEvent& /*event*/)
-{
- if ( HasCapture() )
- {
- ReleaseCapture();
- }
-}
-
-void wxPopupTransientWindow::OnLeave(wxMouseEvent& /*event*/)
+#if defined(__WXMSW__) ||(defined(__WXMAC__) && wxOSX_USE_COCOA_OR_CARBON)
+void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
{
- CaptureMouse();
-}
+ event.Skip();
-void wxPopupTransientWindow::OnLeftDown(wxMouseEvent& event)
-{
- if (m_handlerPopup && m_child && m_child != this)
+ if (IsShown() && m_child)
{
- m_child->GetEventHandler()->ProcessEvent(event);
- }
-}
-
-
+ // Store the last mouse position to minimize the number of calls to
+ // wxFindWindowAtPoint() which are quite expensive.
+ static wxPoint s_posLast;
+ const wxPoint pos = wxGetMousePosition();
+ if ( pos != s_posLast )
+ {
+ s_posLast = pos;
-// If the child is the same size as the popup window then handle the event,
-// otherwise assume that there is enough of the popup showing that it will get
-// it's own Enter/Leave events. A more reliable way to detect this situation
-// would be appreciated...
+ wxWindow* const winUnderMouse = wxFindWindowAtPoint(pos);
-void wxPopupTransientWindow::OnChildEnter(wxMouseEvent& event)
-{
- if (m_child)
- {
- wxSize cs = m_child->GetSize();
- wxSize ps = GetClientSize();
-
- if ((cs.x * cs.y) >= (ps.x * ps.y))
- OnEnter(event);
+ // We release the mouse capture while the mouse is inside the popup
+ // itself to allow using it normally with the controls inside it.
+ if ( wxGetTopLevelParent(winUnderMouse) == this )
+ {
+ if ( m_child->HasCapture() )
+ {
+ m_child->ReleaseMouse();
+ }
+ }
+ else // And we reacquire it as soon as the mouse goes outside.
+ {
+ if ( !m_child->HasCapture() )
+ {
+ m_child->CaptureMouse();
+ }
+ }
+ }
}
}
+#endif // wxOSX/Carbon
-void wxPopupTransientWindow::OnChildLeave(wxMouseEvent& event)
-{
- if (m_child)
- {
- wxSize cs = m_child->GetSize();
- wxSize ps = GetClientSize();
-
- if ((cs.x * cs.y) >= (ps.x * ps.y))
- OnLeave(event);
- }
-}
#if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
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;
void wxPopupComboWindow::OnDismiss()
{
- m_combo->OnDismiss();
+ m_combo->OnPopupDismiss(true);
}
void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
{
- m_combo->ProcessEvent(event);
+ m_combo->ProcessWindowEvent(event);
}
#endif // wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
// ----------------------------------------------------------------------------
// wxPopupWindowHandler
// ----------------------------------------------------------------------------
-wxPopupWindowHandler::~wxPopupWindowHandler()
-{
- if (m_popup && (m_popup->m_handlerPopup == this))
- m_popup->m_handlerPopup = NULL;
-}
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();
// 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;
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:
break;
}
+#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
if ( sbar )
{
// translate the event coordinates to the scrollbar ones
(void)sbar->GetEventHandler()->ProcessEvent(event2);
}
+#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
+}
+
+void
+wxPopupWindowHandler::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+ m_popup->DismissAndNotify();
+
+ // There is no need to skip the event here, normally we've already dealt
+ // with the focus loss.
}
// ----------------------------------------------------------------------------
// wxPopupFocusHandler
// ----------------------------------------------------------------------------
-wxPopupFocusHandler::~wxPopupFocusHandler()
-{
- if (m_popup && (m_popup->m_handlerFocus == this))
- m_popup->m_handlerFocus = NULL;
-}
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();
}
#endif // wxUSE_POPUPWIN
-
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