X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/159960c0e711edd4b2fbba4b9e41e81333868d62..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/common/popupcmn.cpp diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp index 0da4939868..cec606e52e 100644 --- a/src/common/popupcmn.cpp +++ b/src/common/popupcmn.cpp @@ -6,7 +6,7 @@ // Created: 06.01.01 // RCS-ID: $Id$ // Copyright: (c) 2001 Vadim Zeitlin -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "popupwinbase.h" #endif @@ -28,24 +28,29 @@ #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/app.h" // wxPostEvent + #include "wx/log.h" + #include "wx/app.h" #endif //WX_PRECOMP #ifdef __WXUNIVERSAL__ #include "wx/univ/renderer.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 +#endif +#ifdef __WXX11__ +#include "wx/x11/private.h" +#endif +IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow) IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow) #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__) @@ -61,7 +66,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow) class wxPopupWindowHandler : public wxEvtHandler { public: - wxPopupWindowHandler(wxPopupTransientWindow *popup) { m_popup = popup; } + wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {} + ~wxPopupWindowHandler(); protected: // event handlers @@ -71,21 +77,24 @@ private: wxPopupTransientWindow *m_popup; DECLARE_EVENT_TABLE() + DECLARE_NO_COPY_CLASS(wxPopupWindowHandler) }; class wxPopupFocusHandler : public wxEvtHandler { public: - wxPopupFocusHandler(wxPopupTransientWindow *popup) { m_popup = popup; } + wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {} + ~wxPopupFocusHandler(); protected: - // event handlers void OnKillFocus(wxFocusEvent& event); + void OnKeyDown(wxKeyEvent& event); private: wxPopupTransientWindow *m_popup; DECLARE_EVENT_TABLE() + DECLARE_NO_COPY_CLASS(wxPopupFocusHandler) }; // ---------------------------------------------------------------------------- @@ -98,6 +107,13 @@ END_EVENT_TABLE() BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler) EVT_KILL_FOCUS(wxPopupFocusHandler::OnKillFocus) + EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown) +END_EVENT_TABLE() + +BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow) +#ifdef __WXMSW__ + EVT_IDLE(wxPopupTransientWindow::OnIdle) +#endif END_EVENT_TABLE() // ============================================================================ @@ -115,7 +131,7 @@ wxPopupWindowBase::~wxPopupWindowBase() bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags)) { - return TRUE; + return true; } void wxPopupWindowBase::Position(const wxPoint& ptOrigin, @@ -162,6 +178,9 @@ void wxPopupTransientWindow::Init() { m_child = m_focus = (wxWindow *)NULL; + + m_handlerFocus = NULL; + m_handlerPopup = NULL; } wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent, int style) @@ -173,23 +192,42 @@ 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 ) { - m_child->PopEventHandler(TRUE /* delete it */); - m_child->ReleaseMouse(); + 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; } if ( m_focus ) { - m_focus->PopEventHandler(TRUE /* delete it */); - m_focus = NULL; + if ( !m_focus->RemoveEventHandler(m_handlerFocus) ) + { + // see above + m_handlerFocus = NULL; + } } + m_focus = NULL; } void wxPopupTransientWindow::Popup(wxWindow *winFocus) @@ -204,34 +242,130 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus) m_child = this; } - // we can't capture mouse before the window is shown in wxGTL -#ifdef __WXGTK__ Show(); -#endif - m_child->CaptureMouse(); - m_child->PushEventHandler(new wxPopupWindowHandler(this)); + // There is is a problem if these are still in use + wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler()); + wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler()); -#ifndef __WXGTK__ - Show(); -#endif + if (!m_handlerPopup) + m_handlerPopup = new wxPopupWindowHandler(this); + + m_child->PushEventHandler(m_handlerPopup); m_focus = winFocus ? winFocus : this; - m_focus->PushEventHandler(new wxPopupFocusHandler(this)); m_focus->SetFocus(); + +#ifdef __WXMSW__ + // 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 __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 ) + { + if (!m_handlerFocus) + m_handlerFocus = new wxPopupFocusHandler(this); + + m_focus->PushEventHandler(m_handlerFocus); + } + + // 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); + if (m_focus) + m_focus->Connect(wxEVT_DESTROY, + wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy), + NULL, this); } -void wxPopupTransientWindow::Dismiss() +bool wxPopupTransientWindow::Show( bool show ) { - PopHandlers(); +#ifdef __WXGTK__ + if (!show) + { + gdk_pointer_ungrab( (guint32)GDK_CURRENT_TIME ); + + gtk_grab_remove( m_widget ); + } +#endif + +#ifdef __WXX11__ + if (!show) + { + XUngrabPointer( wxGlobalDisplay(), CurrentTime ); + } +#endif + +#ifdef __WXMSW__ + 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( 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, + (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 + +#ifdef __WXMSW__ + if (show && m_child) + { + // Assume that the mouse is outside the popup to begin with + m_child->CaptureMouse(); + } +#endif + + return ret; +} + +void wxPopupTransientWindow::Dismiss() +{ Hide(); + PopHandlers(); } void wxPopupTransientWindow::DismissAndNotify() { Dismiss(); - OnDismiss(); } @@ -243,8 +377,45 @@ void wxPopupTransientWindow::OnDismiss() bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event)) { // no special processing here - return FALSE; + return false; +} + +void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event) +{ + if (event.GetEventObject() == m_child) + m_child = NULL; + if (event.GetEventObject() == m_focus) + m_focus = NULL; +} + +#ifdef __WXMSW__ +void wxPopupTransientWindow::OnIdle(wxIdleEvent& event) +{ + event.Skip(); + + if (IsShown() && m_child) + { + wxPoint pos = ScreenToClient(wxGetMousePosition()); + wxRect rect(GetSize()); + + if ( rect.Inside(pos) ) + { + if ( m_child->HasCapture() ) + { + m_child->ReleaseMouse(); + } + } + else + { + if ( !m_child->HasCapture() ) + { + m_child->CaptureMouse(); + } + } + } } +#endif + #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__) @@ -252,6 +423,10 @@ bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event)) // wxPopupComboWindow // ---------------------------------------------------------------------------- +BEGIN_EVENT_TABLE(wxPopupComboWindow, wxPopupTransientWindow) + EVT_KEY_DOWN(wxPopupComboWindow::OnKeyDown) +END_EVENT_TABLE() + wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent) : wxPopupTransientWindow(parent) { @@ -268,7 +443,7 @@ 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 @@ -289,11 +464,21 @@ void wxPopupComboWindow::OnDismiss() m_combo->OnDismiss(); } +void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event) +{ + m_combo->ProcessEvent(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) { @@ -306,15 +491,38 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event) wxPoint pos = event.GetPosition(); - // scrollbar on which the click occured + // scrollbar on which the click occurred wxWindow *sbar = NULL; wxWindow *win = (wxWindow *)event.GetEventObject(); + switch ( win->HitTest(pos.x, pos.y) ) { case wxHT_WINDOW_OUTSIDE: - // clicking outside a popup dismisses it - m_popup->DismissAndNotify(); + { + // do the coords translation now as after DismissAndNotify() + // m_popup may be destroyed + wxMouseEvent event2(event); + + m_popup->ClientToScreen(&event2.m_x, &event2.m_y); + + // clicking outside a popup dismisses it + m_popup->DismissAndNotify(); + + // 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 ) + { + // 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); + + event2.SetEventObject(win); + wxPostEvent(win, event2); + } + } break; #ifdef __WXUNIVERSAL__ @@ -359,15 +567,35 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event) // ---------------------------------------------------------------------------- // wxPopupFocusHandler // ---------------------------------------------------------------------------- +wxPopupFocusHandler::~wxPopupFocusHandler() +{ + if (m_popup && (m_popup->m_handlerFocus == this)) + m_popup->m_handlerFocus = NULL; +} void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event) { - // when we lose focus we always disappear + // 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(); + while ( win ) + { + if ( win == m_popup ) + return; + win = win->GetParent(); + } + + m_popup->DismissAndNotify(); +} - // But if m_popup was about to get the focus, - // don't disappear. - if (event.GetWindow() != m_popup) +void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event) +{ + // let the window have it first, it might process the keys + if ( !m_popup->ProcessEvent(event) ) + { + // by default, dismiss the popup m_popup->DismissAndNotify(); + } } #endif // wxUSE_POPUPWIN