diff --git a/distrib/msw/tmake/filelist.txt b/distrib/msw/tmake/filelist.txt index 88425e87cc..64e50ea75b 100644 --- a/distrib/msw/tmake/filelist.txt +++ b/distrib/msw/tmake/filelist.txt @@ -188,6 +188,7 @@ object.cpp C B objstrm.cpp C B odbc.cpp C R,X,P paper.cpp C +popupcmn.cpp C prntbase.cpp C process.cpp C 32,B protocol.cpp C S,B diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp new file mode 100644 index 0000000000..8f7215b235 --- /dev/null +++ b/src/common/popupcmn.cpp @@ -0,0 +1,343 @@ +/////////////////////////////////////////////////////////////////////////////// +// Name: common/popupcmn.cpp +// Purpose: implementation of wxPopupTransientWindow +// Author: Vadim Zeitlin +// Modified by: +// Created: 06.01.01 +// RCS-ID: $Id$ +// Copyright: (c) 2001 Vadim Zeitlin +// License: wxWindows license +/////////////////////////////////////////////////////////////////////////////// + +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#ifdef __GNUG__ + #pragma implementation "popupwin.h" +#endif + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#if wxUSE_POPUPWIN + +#include "wx/popupwin.h" + +#ifndef WX_PRECOMP + #include "wx/combobox.h" // wxComboControl +#endif //WX_PRECOMP + +#ifdef __WXUNIVERSAL__ + #include "wx/univ/renderer.h" +#endif // __WXUNIVERSAL__ + +// ---------------------------------------------------------------------------- +// private classes +// ---------------------------------------------------------------------------- + +// event handlers which we use to intercept events which cause the popup to +// disappear +class wxPopupWindowHandler : public wxEvtHandler +{ +public: + wxPopupWindowHandler(wxPopupTransientWindow *popup) { m_popup = popup; } + +protected: + // event handlers + void OnLeftDown(wxMouseEvent& event); + +private: + wxPopupTransientWindow *m_popup; + + DECLARE_EVENT_TABLE() +}; + +class wxPopupFocusHandler : public wxEvtHandler +{ +public: + wxPopupFocusHandler(wxPopupTransientWindow *popup) { m_popup = popup; } + +protected: + // event handlers + void OnKillFocus(wxFocusEvent& event); + +private: + wxPopupTransientWindow *m_popup; + + DECLARE_EVENT_TABLE() +}; + +// ---------------------------------------------------------------------------- +// event tables +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(wxPopupWindowHandler, wxEvtHandler) + EVT_LEFT_DOWN(wxPopupWindowHandler::OnLeftDown) +END_EVENT_TABLE() + +BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler) + EVT_KILL_FOCUS(wxPopupFocusHandler::OnKillFocus) +END_EVENT_TABLE() + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxPopupWindowBase +// ---------------------------------------------------------------------------- + +bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags)) +{ + return TRUE; +} + +void wxPopupWindowBase::Position(const wxPoint& ptOrigin, + const wxSize& size) +{ + wxSize sizeScreen = wxGetDisplaySize(), + 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 ) + { + // check if there is enough space above + if ( ptOrigin.y > sizeSelf.y ) + { + // do position the control above the window + y -= size.y + sizeSelf.y; + } + //else: not enough space below nor above, leave below + } + + // now check left/right too + wxCoord x = ptOrigin.x + size.x; + if ( x + sizeSelf.x > sizeScreen.x ) + { + // check if there is enough space to the left + if ( ptOrigin.x > sizeSelf.x ) + { + // do position the control to the left + x -= size.x + sizeSelf.x; + } + //else: not enough space there neither, leave in default position + } + + Move(x, y, wxSIZE_NO_ADJUSTMENTS); +} + +// ---------------------------------------------------------------------------- +// wxPopupTransientWindow +// ---------------------------------------------------------------------------- + +void wxPopupTransientWindow::Init() +{ + m_child = + m_focus = (wxWindow *)NULL; +} + +wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent) +{ + Init(); + + (void)Create(parent); +} + +wxPopupTransientWindow::~wxPopupTransientWindow() +{ + PopHandlers(); +} + +void wxPopupTransientWindow::PopHandlers() +{ + if ( m_child ) + { + m_child->PopEventHandler(TRUE /* delete it */); + m_child->ReleaseMouse(); + m_child = NULL; + } + + if ( m_focus ) + { + m_focus->PopEventHandler(TRUE /* delete it */); + m_focus = NULL; + } +} + +void wxPopupTransientWindow::Popup(wxWindow *winFocus) +{ + const wxWindowList& children = GetChildren(); + if ( children.GetCount() ) + { + m_child = children.GetFirst()->GetData(); + } + else + { + m_child = this; + } + + m_child->CaptureMouse(); + m_child->PushEventHandler(new wxPopupWindowHandler(this)); + + Show(); + + m_focus = winFocus ? winFocus : this; + m_focus->PushEventHandler(new wxPopupFocusHandler(this)); + m_focus->SetFocus(); +} + +void wxPopupTransientWindow::Dismiss() +{ + PopHandlers(); + + Hide(); +} + +void wxPopupTransientWindow::DismissAndNotify() +{ + Dismiss(); + + OnDismiss(); +} + +void wxPopupTransientWindow::OnDismiss() +{ + // nothing to do here - but it may be interesting for derived class +} + +bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event)) +{ + // no special processing here + return FALSE; +} + +#if wxUSE_COMBOBOX + +// ---------------------------------------------------------------------------- +// wxPopupComboWindow +// ---------------------------------------------------------------------------- + +wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent) + : wxPopupTransientWindow(parent) +{ + m_combo = parent; +} + +bool wxPopupComboWindow::Create(wxComboControl *parent) +{ + m_combo = parent; + + return wxPopupWindow::Create(parent); +} + +void wxPopupComboWindow::PositionNearCombo() +{ + // the origin point must be in screen coords + wxPoint ptOrigin = m_combo->ClientToScreen(wxPoint(0, 0)); + +#ifdef __WXUNIVERSAL__ + // account for the fact that (0, 0) is not the top left corner of the + // window: there is also the border + wxRect rectBorders = m_combo->GetRenderer()-> + GetBorderDimensions(m_combo->GetBorder()); + ptOrigin.x -= rectBorders.x; + ptOrigin.y -= rectBorders.y; +#endif // __WXUNIVERSAL__ + + // position below or above the combobox: the width is 0 to put it exactly + // below us, not to the left or to the right + Position(ptOrigin, wxSize(0, m_combo->GetSize().y)); +} + +void wxPopupComboWindow::OnDismiss() +{ + m_combo->OnDismiss(); +} + +#endif // wxUSE_COMBOBOX + +// ---------------------------------------------------------------------------- +// wxPopupWindowHandler +// ---------------------------------------------------------------------------- + +void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event) +{ + // let the window have it first (we're the first event handler in the chain + // of handlers for this window) + if ( m_popup->ProcessLeftDown(event) ) + { + return; + } + + wxPoint pos = event.GetPosition(); + + // scrollbar on which the click occured + 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(); + break; + + case wxHT_WINDOW_HORZ_SCROLLBAR: + sbar = win->GetScrollbar(wxHORIZONTAL); + break; + + case wxHT_WINDOW_VERT_SCROLLBAR: + sbar = win->GetScrollbar(wxVERTICAL); + break; + + default: + // forgot to update the switch after adding a new hit test code? + wxFAIL_MSG( _T("unexpected HitTest() return value") ); + // fall through + + case wxHT_WINDOW_CORNER: + // don't actually know if this one is good for anything, but let it + // pass just in case + + case wxHT_WINDOW_INSIDE: + // let the normal processing take place + event.Skip(); + break; + } + + if ( sbar ) + { + // translate the event coordinates to the scrollbar ones + pos = sbar->ScreenToClient(win->ClientToScreen(pos)); + + // and give the event to it + wxMouseEvent event2 = event; + event2.m_x = pos.x; + event2.m_y = pos.y; + + (void)sbar->GetEventHandler()->ProcessEvent(event2); + } +} + +// ---------------------------------------------------------------------------- +// wxPopupFocusHandler +// ---------------------------------------------------------------------------- + +void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event) +{ + // when we lose focus we always disappear + m_popup->DismissAndNotify(); +} + +#endif // wxUSE_POPUPWIN