first pass of wxUniv merge - nothing works, most parts don't even compile
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
274
src/univ/scrarrow.cpp
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274
src/univ/scrarrow.cpp
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///////////////////////////////////////////////////////////////////////////////
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// Name: src/univ/scrarrow.cpp
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// Purpose: wxScrollArrows class implementation
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 22.01.01
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// RCS-ID: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "univscrarrow.h"
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#endif
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#endif
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#include "wx/univ/scrtimer.h"
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#include "wx/univ/scrarrow.h"
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#include "wx/univ/renderer.h"
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#include "wx/univ/inphand.h"
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#include "wx/univ/theme.h"
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// ----------------------------------------------------------------------------
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// wxScrollArrowCaptureData: contains the data used while the arrow is being
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// pressed by the user
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// ----------------------------------------------------------------------------
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struct wxScrollArrowCaptureData
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{
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wxScrollArrowCaptureData()
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{
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m_arrowPressed = wxScrollArrows::Arrow_None;
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m_window = NULL;
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m_btnCapture = -1;
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m_timerScroll = NULL;
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}
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~wxScrollArrowCaptureData()
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{
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if ( m_window )
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m_window->ReleaseMouse();
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delete m_timerScroll;
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}
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// the arrow being held pressed (may be Arrow_None)
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wxScrollArrows::Arrow m_arrowPressed;
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// the mouse button which started the capture (-1 if none)
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int m_btnCapture;
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// the window which has captured the mouse
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wxWindow *m_window;
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// the timer for generating the scroll events
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wxScrollTimer *m_timerScroll;
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};
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// ----------------------------------------------------------------------------
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// wxScrollArrowTimer: a wxScrollTimer which calls OnArrow()
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// ----------------------------------------------------------------------------
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class wxScrollArrowTimer : public wxScrollTimer
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{
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public:
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wxScrollArrowTimer(wxControlWithArrows *control,
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wxScrollArrows::Arrow arrow)
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{
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m_control = control;
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m_arrow = arrow;
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StartAutoScroll();
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}
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protected:
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virtual bool DoNotify()
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{
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return m_control->OnArrow(m_arrow);
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}
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wxControlWithArrows *m_control;
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wxScrollArrows::Arrow m_arrow;
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};
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// ============================================================================
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// implementation of wxScrollArrows
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// ============================================================================
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// ----------------------------------------------------------------------------
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// con/destruction
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// ----------------------------------------------------------------------------
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wxScrollArrows::wxScrollArrows(wxControlWithArrows *control)
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{
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m_control = control;
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m_captureData = NULL;
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}
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wxScrollArrows::~wxScrollArrows()
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{
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// it should have been destroyed
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wxASSERT_MSG( !m_captureData, _T("memory leak in wxScrollArrows") );
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}
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// ----------------------------------------------------------------------------
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// drawing
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// ----------------------------------------------------------------------------
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void wxScrollArrows::DrawArrow(Arrow arrow,
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wxDC& dc,
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const wxRect& rect,
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bool scrollbarLike) const
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{
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static const wxDirection arrowDirs[2][Arrow_Max] =
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{
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{ wxLEFT, wxRIGHT },
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{ wxUP, wxDOWN }
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};
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void (wxRenderer::*pfn)(wxDC&, wxDirection, const wxRect&, int) =
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scrollbarLike ? &wxRenderer::DrawScrollbarArrow
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: &wxRenderer::DrawArrow;
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(m_control->GetRenderer()->*pfn)
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(
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dc,
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arrowDirs[m_control->IsVertical()][arrow],
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rect,
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m_control->GetArrowState(arrow)
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);
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}
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// ----------------------------------------------------------------------------
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// input handling
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// ----------------------------------------------------------------------------
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void wxScrollArrows::UpdateCurrentFlag(Arrow arrow, Arrow arrowCur) const
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{
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m_control->SetArrowFlag(arrow, wxCONTROL_CURRENT, arrow == arrowCur);
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}
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bool wxScrollArrows::HandleMouseMove(const wxMouseEvent& event) const
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{
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Arrow arrow;
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if ( event.Leaving() )
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{
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// no arrow has mouse if it left the window completely
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arrow = Arrow_None;
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}
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else // Moving() or Entering(), treat them the same here
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{
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arrow = m_control->HitTest(event.GetPosition());
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}
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if ( m_captureData )
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{
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// the mouse is captured, we may want to pause scrolling if it goes
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// outside the arrow or to resume it if we had paused it before
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wxTimer *timer = m_captureData->m_timerScroll;
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if ( !timer->IsRunning() )
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{
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// timer is paused
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if ( arrow == m_captureData->m_arrowPressed )
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{
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// resume now
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m_control->SetArrowFlag(arrow, wxCONTROL_PRESSED, TRUE);
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timer->Start();
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return TRUE;
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}
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}
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else if ( 1 ) //FIXME: m_control->ShouldPauseScrolling() )
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{
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// we may want to stop it
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if ( arrow != m_captureData->m_arrowPressed )
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{
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// stop as the mouse left the arrow
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m_control->SetArrowFlag(m_captureData->m_arrowPressed,
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wxCONTROL_PRESSED, FALSE);
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timer->Stop();
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return TRUE;
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}
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}
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return FALSE;
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}
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// reset the wxCONTROL_CURRENT flag for the arrows which don't have the
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// mouse and set it for the one which has
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UpdateCurrentFlag(Arrow_First, arrow);
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UpdateCurrentFlag(Arrow_Second, arrow);
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// return TRUE if it was really an event for an arrow
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return !event.Leaving() && arrow != Arrow_None;
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}
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bool wxScrollArrows::HandleMouse(const wxMouseEvent& event) const
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{
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int btn = event.GetButton();
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if ( btn == -1 )
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{
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// we only care about button press/release events
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return FALSE;
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}
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if ( event.ButtonDown() || event.ButtonDClick() )
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{
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if ( !m_captureData )
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{
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Arrow arrow = m_control->HitTest(event.GetPosition());
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if ( arrow == Arrow_None )
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{
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// mouse pressed over something else
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return FALSE;
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}
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if ( m_control->GetArrowState(arrow) & wxCONTROL_DISABLED )
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{
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// don't allow to press disabled arrows
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return TRUE;
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}
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wxConstCast(this, wxScrollArrows)->m_captureData =
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new wxScrollArrowCaptureData;
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m_captureData->m_arrowPressed = arrow;
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m_captureData->m_btnCapture = btn;
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m_captureData->m_window = m_control->GetWindow();
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m_captureData->m_window->CaptureMouse();
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// start scrolling
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m_captureData->m_timerScroll =
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new wxScrollArrowTimer(m_control, arrow);
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m_control->SetArrowFlag(arrow, wxCONTROL_PRESSED, TRUE);
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}
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//else: mouse already captured, nothing to do
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}
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// release mouse if the *same* button went up
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else if ( m_captureData && (btn == m_captureData->m_btnCapture) )
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{
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Arrow arrow = m_captureData->m_arrowPressed;
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delete m_captureData;
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wxConstCast(this, wxScrollArrows)->m_captureData = NULL;
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m_control->SetArrowFlag(arrow, wxCONTROL_PRESSED, FALSE);
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}
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else
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{
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// we don't process this
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return FALSE;
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}
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return TRUE;
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}
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