C++ wxMouseEvent::GetButton方法代码示例

void OSGCanvas::OnMouseDown( wxMouseEvent & event )
{
    if( _graphics_window.valid() )
    {
        _graphics_window->getEventQueue()->mouseButtonPress( event.GetX(), event.GetY(),
                                                            event.GetButton() );
    }
}

//-----------------------------------------------------------------------------
void WXGLCanvas::OnMouseUp( wxMouseEvent& ev )
{
  if (ev.GetButton() == wxMOUSE_BTN_NONE)
    return;
  switch(ev.GetButton())
  {
    case wxMOUSE_BTN_LEFT:   dispatchMouseUpEvent(LeftButton,   ev.GetX(), ev.GetY()); break;
    case wxMOUSE_BTN_MIDDLE: dispatchMouseUpEvent(MiddleButton, ev.GetX(), ev.GetY()); break;
    case wxMOUSE_BTN_RIGHT:  dispatchMouseUpEvent(RightButton,  ev.GetX(), ev.GetY()); break;
    default:
    case wxMOUSE_BTN_ANY:  dispatchMouseUpEvent(UnknownButton,  ev.GetX(), ev.GetY()); break;
  }
  mMouseCount--;
  // release only once
  if (!mMouseCount)
    ReleaseMouse();
  VL_CHECK(mMouseCount>=0)
}

//-----------------------------------------------------------------------------
void WXGLCanvas::OnMouseDown( wxMouseEvent& ev )
{
  if (ev.GetButton() == wxMOUSE_BTN_NONE)
    return;
  switch(ev.GetButton())
  {
    case wxMOUSE_BTN_LEFT:   dispatchMouseDownEvent(LeftButton,   ev.GetX(), ev.GetY()); break;
    case wxMOUSE_BTN_MIDDLE: dispatchMouseDownEvent(MiddleButton, ev.GetX(), ev.GetY()); break;
    case wxMOUSE_BTN_RIGHT:  dispatchMouseDownEvent(RightButton,  ev.GetX(), ev.GetY()); break;
    default:
    case wxMOUSE_BTN_ANY:    dispatchMouseDownEvent(UnknownButton,  ev.GetX(), ev.GetY()); break;
  }
  // capture only once
  VL_CHECK(mMouseCount>=0)
  if (!mMouseCount)
    CaptureMouse();
  mMouseCount++;
}

void CFrame::OnMouse(wxMouseEvent& event)
{
#if defined(HAVE_X11) && HAVE_X11
	if (Core::GetState() != Core::CORE_UNINITIALIZED)
	{
		if(event.Dragging())
			X11Utils::SendMotionEvent(X11Utils::XDisplayFromHandle(GetHandle()),
					event.GetPosition().x, event.GetPosition().y);
		else
			X11Utils::SendButtonEvent(X11Utils::XDisplayFromHandle(GetHandle()), event.GetButton(),
					event.GetPosition().x, event.GetPosition().y, event.ButtonDown());
	}
#endif
	event.Skip();
}

// Returns true if parent needs to be redrawn
bool Envelope::MouseEvent(wxMouseEvent & event, wxRect & r,
                          double h, double pps, bool dB,
                          float zoomMin, float zoomMax)
{
   if (event.ButtonDown() && mButton == wxMOUSE_BTN_NONE)
      return HandleMouseButtonDown( event, r, h, pps,dB,
                                    zoomMin, zoomMax);
   if (event.Dragging() && mDragPoint >= 0)
      return HandleDragging( event, r, h, pps,dB,
                             zoomMin, zoomMax);
   if (event.ButtonUp() && event.GetButton() == mButton)
      return HandleMouseButtonUp( event, r, h, pps, dB,
                                  zoomMin, zoomMax);
   return false;
}

void ActorSceneCanvas::OnMiddleDown(wxMouseEvent& e)
{
    SetFocus();

    if (!GetSceneManipulator())
        return;

    if (HasCapture())
        return;

    wxASSERT(!m_pCameraManip);
    wxASSERT(mDragButton == wxMOUSE_BTN_NONE);

    if (!e.ControlDown() && !e.AltDown() && !e.ShiftDown() && !e.MetaDown())
    {
        // (None)
        m_pCameraManip = GetSceneManipulator()->getManip("CameraDragMove");
    }
    else if (!e.ControlDown() && !e.AltDown() && e.ShiftDown() && !e.MetaDown())
    {
        // Shift
        m_pCameraManip = GetSceneManipulator()->getManip("CameraDragRotate");
    }
    else if (e.ControlDown() && !e.AltDown() && !e.ShiftDown() && !e.MetaDown())
    {
        // Ctrl
        m_pCameraManip = GetSceneManipulator()->getManip("CameraPan");
    }
    else if (!e.ControlDown() && e.AltDown() && !e.ShiftDown() && !e.MetaDown())
    {
        // Alt
        m_pCameraManip = GetSceneManipulator()->getManip("CameraRotate");
    }

    if (m_pCameraManip)
    {
        mDragButton = e.GetButton();
        m_pCameraManip->onBegin(e.GetX(), e.GetY());
        CaptureMouse();
    }

}

void GP_Title::OnClick(wxMouseEvent& event) {

    unsigned long level_id = 1;

    if (event.GetButton() == wxMOUSE_BTN_RIGHT) {

        wxTextEntryDialog dialog(this, GC_TEXT_LEVELCHOICE, GC_TEXT_NAME, wxString() << level_id);

        if (dialog.ShowModal() != wxID_OK)
            return;

        if (not dialog.GetValue().ToULong(&level_id))
            return ShowLevelLoadFailed();

    }

    GLevel* const level = GLevel::NewFromId(level_id);
    if (not level)
        return ShowLevelLoadFailed();

    new GP_Game(level, GetParent());
    Destroy();

}

bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
                                             const wxMouseEvent& event)
{
    // is this a click event from an acceptable button?
    int btn = event.GetButton();
    if ( btn == wxMOUSE_BTN_LEFT )
    {
        // determine which part of the window mouse is in
        wxScrollBar *scrollbar = wxStaticCast(consumer->GetInputWindow(), wxScrollBar);
        wxHitTest ht = scrollbar->HitTestBar(event.GetPosition());

        // when the mouse is pressed on any scrollbar element, we capture it
        // and hold capture until the same mouse button is released
        if ( event.ButtonDown() || event.ButtonDClick() )
        {
            if ( !m_winCapture )
            {
                m_btnCapture = btn;
                m_winCapture = consumer->GetInputWindow();
                m_winCapture->CaptureMouse();

                // generate the command
                bool hasAction = true;
                wxControlAction action;
                switch ( ht )
                {
                    case wxHT_SCROLLBAR_ARROW_LINE_1:
                        action = wxACTION_SCROLL_LINE_UP;
                        break;

                    case wxHT_SCROLLBAR_ARROW_LINE_2:
                        action = wxACTION_SCROLL_LINE_DOWN;
                        break;

                    case wxHT_SCROLLBAR_BAR_1:
                        action = wxACTION_SCROLL_PAGE_UP;
                        m_ptStartScrolling = event.GetPosition();
                        break;

                    case wxHT_SCROLLBAR_BAR_2:
                        action = wxACTION_SCROLL_PAGE_DOWN;
                        m_ptStartScrolling = event.GetPosition();
                        break;

                    case wxHT_SCROLLBAR_THUMB:
                        consumer->PerformAction(wxACTION_SCROLL_THUMB_DRAG);
                        m_ofsMouse = GetMouseCoord(scrollbar, event) -
                                     scrollbar->ScrollbarToPixel();

                        // fall through: there is no immediate action

                    default:
                        hasAction = false;
                }

                // remove highlighting
                Highlight(scrollbar, false);
                m_htLast = ht;

                // and press the arrow or highlight thumb now instead
                if ( m_htLast == wxHT_SCROLLBAR_THUMB )
                    Highlight(scrollbar, true);
                else
                    Press(scrollbar, true);

                // start dragging
                if ( hasAction )
                {
                    m_timerScroll = new wxScrollBarTimer(this, action,
                                                         scrollbar);
                    m_timerScroll->StartAutoScroll();
                }
                //else: no (immediate) action

            }
            //else: mouse already captured, nothing to do
        }
        // release mouse if the *same* button went up
        else if ( btn == m_btnCapture )
        {
            if ( m_winCapture )
            {
                StopScrolling(scrollbar);

                // if we were dragging the thumb, send the last event
                if ( m_htLast == wxHT_SCROLLBAR_THUMB )
                {
                    scrollbar->PerformAction(wxACTION_SCROLL_THUMB_RELEASE);
                }

                m_htLast = ht;
                Highlight(scrollbar, true);
            }
            else
            {
                // this is not supposed to happen as the button can't go up
                // without going down previously and then we'd have
                // m_winCapture by now
                wxFAIL_MSG( wxT("logic error in mouse capturing code") );
            }
//.........这里部分代码省略.........

void wxHeaderCtrl::OnMouse(wxMouseEvent& mevent)
{
    // do this in advance to allow simply returning if we're not interested,
    // we'll undo it if we do handle the event below
    mevent.Skip();


    // account for the control displacement
    const int xPhysical = mevent.GetX();
    const int xLogical = xPhysical - m_scrollOffset;

    // first deal with the [continuation of any] dragging operations in
    // progress
    if ( IsResizing() )
    {
        if ( mevent.LeftUp() )
            EndResizing(xPhysical);
        else // update the live separator position
            StartOrContinueResizing(m_colBeingResized, xPhysical);

        return;
    }

    if ( IsReordering() )
    {
        if ( !mevent.LeftUp() )
        {
            // update the column position
            UpdateReorderingMarker(xPhysical);

            return;
        }

        // finish reordering and continue to generate a click event below if we
        // didn't really reorder anything
        if ( EndReordering(xPhysical) )
            return;
    }


    // find if the event is over a column at all
    bool onSeparator;
    const unsigned col = mevent.Leaving()
                         ? (onSeparator = false, COL_NONE)
                         : FindColumnAtPoint(xLogical, &onSeparator);


    // update the highlighted column if it changed
    if ( col != m_hover )
    {
        const unsigned hoverOld = m_hover;
        m_hover = col;

        RefreshColIfNotNone(hoverOld);
        RefreshColIfNotNone(m_hover);
    }

    // update mouse cursor as it moves around
    if ( mevent.Moving() )
    {
        SetCursor(onSeparator ? wxCursor(wxCURSOR_SIZEWE) : wxNullCursor);
        return;
    }

    // all the other events only make sense when they happen over a column
    if ( col == COL_NONE )
        return;


    // enter various dragging modes on left mouse press
    if ( mevent.LeftDown() )
    {
        if ( onSeparator )
        {
            // start resizing the column
            wxASSERT_MSG( !IsResizing(), "reentering column resize mode?" );
            StartOrContinueResizing(col, xPhysical);
        }
        else // on column itself
        {
            // start dragging the column
            wxASSERT_MSG( !IsReordering(), "reentering column move mode?" );

            StartReordering(col, xPhysical);
        }

        return;
    }

    // determine the type of header event corresponding to click events
    wxEventType evtType = wxEVT_NULL;
    const bool click = mevent.ButtonUp(),
               dblclk = mevent.ButtonDClick();
    if ( click || dblclk )
    {
        switch ( mevent.GetButton() )
        {
        case wxMOUSE_BTN_LEFT:
            // treat left double clicks on separator specially
            if ( onSeparator && dblclk )
//.........这里部分代码省略.........

/// HandleMouseButtonDown either finds an existing control point or adds a new one
/// which is then recorded as the point to drag.
/// This is slightly complicated by there possibly being four control points for
/// a given time value:
/// We have an upper and lower envelope line.
/// Also we may be showing an inner envelope (at 0.5 the range).
bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
                                     double h, double pps, bool dB,
                                     float zoomMin, float zoomMax)
{
   int ctr = (int)(r.height * zoomMax / (zoomMax - zoomMin));
   bool upper = !mMirror || (zoomMin >= 0.0) || (event.m_y - r.y < ctr);

   int clip_y = event.m_y - r.y;
   if(clip_y < 0) clip_y = 0; //keeps point in rect r, even if mouse isn't
   if(clip_y > r.GetBottom()) clip_y = r.GetBottom();

   double tleft = h - mOffset;
   double tright = tleft + (r.width / pps);
   int bestNum = -1;
   int bestDist = 10; // Must be within 10 pixel radius.

   // TODO: Cache the gPrefs value.  Reading it every time is inefficient.
   double dBr = gPrefs->Read(wxT("/GUI/EnvdBRange"), ENV_DB_RANGE);

   // Member variables hold state that will be needed in dragging.
   mButton        = event.GetButton();
   mIsDeleting    = false;
   mContourOffset = false;

   //   wxLogDebug(wxT("Y:%i Height:%i Offset:%i"), y, height, mContourOffset );
   int len = mEnv.Count();

   // TODO: extract this into a function FindNearestControlPoint()
   // TODO: also fix it so that we can drag the last point on an envelope.
   for (int i = 0; i < len; i++) { //search for control point nearest click
      if (mEnv[i]->GetT() >= tleft && mEnv[i]->GetT() <= tright) {

         int x = int ((mEnv[i]->GetT() + mOffset - h) * pps) + r.x;
         int y[4];
         int numControlPoints;

         // Outer control points
         y[0] = GetWaveYPos( mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
                                dB, true, dBr, false);
         y[1] = GetWaveYPos( -mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
                                dB, true, dBr, false);

         // Inner control points(contour)
         y[2] = GetWaveYPos( mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
                                dB, false, dBr, false);
         y[3] = GetWaveYPos( -mEnv[i]->GetVal()-.00000001, zoomMin, zoomMax,
                                r.height, dB, false, dBr, false);

         numControlPoints = 4;

         if (y[2] > y[3])
            numControlPoints = 2;

         if (!mMirror)
            numControlPoints = 1;

         for(int j=0; j<numControlPoints; j++){

            int d = (int)(sqrt((double)(SQR(x-event.m_x) + SQR(y[j]-(event.m_y-r.y)))) + 0.5);
            if (d < bestDist) {
               bestNum = i;
               bestDist = d;
               mContourOffset = (bool)(j > 1);
            }
         }
      }
   }

   if (bestNum >= 0) {
      mDragPoint = bestNum;
   }
   else {
      // TODO: Extract this into a function CreateNewPoint
      double when = h + (event.m_x - r.x) / pps - mOffset;

      //      if (when <= 0 || when >= mTrackLen)
      //         return false;

      double v = GetValueAtX( event.m_x, r, h, pps );

      int ct = GetWaveYPos( v, zoomMin, zoomMax, r.height, dB,
                               false, dBr, false) ;
      int cb = GetWaveYPos( -v-.000000001, zoomMin, zoomMax, r.height, dB,
                               false, dBr, false) ;
      if( ct <= cb || !mMirror ){
         int t = GetWaveYPos( v, zoomMin, zoomMax, r.height, dB,
                                 true, dBr, false) ;
         int b = GetWaveYPos( -v, zoomMin, zoomMax, r.height, dB,
                                 true, dBr, false) ;

         ct = (t + ct) / 2;
         cb = (b + cb) / 2;

         if(mMirror &&
//.........这里部分代码省略.........

void wxMultiColumnListCtrl::OnMouseEvent(wxMouseEvent& event)
{
    if (event.GetEventType() == wxEVT_MOUSEWHEEL)
    {
        int dir = event.GetWheelRotation();

        if (dir > 0)
        {
            m_items.SetSelection(m_items.GetSelection() - 1);
            if (m_items.GetSelection() < 0)
                m_items.SetSelection(m_items.GetItemCount() - 1);

            AdvanceToNextSelectableItem(-1);
        }
        else if (dir < 0)
        {
            m_items.SetSelection(m_items.GetSelection() + 1);
            if (m_items.GetSelection() >= m_items.GetItemCount())
                m_items.SetSelection(0);

            AdvanceToNextSelectableItem(1);
        }

        GenerateSelectionEvent();

        Refresh();
    }
    else if (event.GetButton() == wxMOUSE_BTN_NONE)
    {   // Mouse move
        bool bCanSelectItem = true;
        if (m_ptMouse.x != -2 && m_ptMouse.y != -2)
        {   // If ==-2 => Don't select item on mouse pointer : used when user select the window with keyboard
            if (m_ptMouse.x != -1 && m_ptMouse.y != -1)
            {   // If ==-1 => The client already move the mouse, select the item under the mouse cursor
                wxPoint ptCurrent = ClientToScreen(event.GetPosition());
                if (abs(ptCurrent.x - m_ptMouse.x) >= 3 || abs(ptCurrent.y - m_ptMouse.y) >= 3)
                {   // the user has moved the mouse over a 3 pixels square
                    m_ptMouse.x = m_ptMouse.y = -1; // Accept to select an item
                }
                else
                {   // Select this item is not allowed for the moment, the user must move the mouse
                    bCanSelectItem = false;
                }
            }
            if (bCanSelectItem)
            {
                int idx = m_items.HitTest(event.GetPosition());
                if (idx != wxNOT_FOUND)
                {
                    m_items.SetSelection(idx);
                    GenerateSelectionEvent();
                    Refresh();
                }
            }
        }
    }
    else if (event.LeftDown())
    {
        m_ptMouse.x = m_ptMouse.y = -1; // Accept to select an item
        SendCloseEvent();
        SetFocus();
    }
}

void AudioDisplay::OnMouseEvent(wxMouseEvent& event)
{
	// If we have focus, we get mouse move events on Mac even when the mouse is
	// outside our client rectangle, we don't want those.
	if (event.Moving() && !GetClientRect().Contains(event.GetPosition()))
	{
		event.Skip();
		return;
	}

	if (event.IsButton())
		SetFocus();

	const int mouse_x = event.GetPosition().x;

	// Scroll the display after a mouse-up near one of the edges
	if ((event.LeftUp() || event.RightUp()) && OPT_GET("Audio/Auto/Scroll")->GetBool())
	{
		const int width = GetClientSize().GetWidth();
		if (mouse_x < width / 20) {
			ScrollBy(-width / 3);
		}
		else if (width - mouse_x < width / 20) {
			ScrollBy(width / 3);
		}
	}

	if (ForwardMouseEvent(event))
		return;

	if (event.MiddleIsDown())
	{
		context->videoController->JumpToTime(TimeFromRelativeX(mouse_x), agi::vfr::EXACT);
		return;
	}

	if (event.Moving() && !controller->IsPlaying())
	{
		SetTrackCursor(scroll_left + mouse_x, OPT_GET("Audio/Display/Draw/Cursor Time")->GetBool());
	}

	AudioTimingController *timing = controller->GetTimingController();
	if (!timing) return;
	const int drag_sensitivity = int(OPT_GET("Audio/Start Drag Sensitivity")->GetInt() * ms_per_pixel);
	const int snap_sensitivity = OPT_GET("Audio/Snap/Enable")->GetBool() != event.ShiftDown() ? int(OPT_GET("Audio/Snap/Distance")->GetInt() * ms_per_pixel) : 0;

	// Not scrollbar, not timeline, no button action
	if (event.Moving())
	{
		const int timepos = TimeFromRelativeX(mouse_x);

		if (timing->IsNearbyMarker(timepos, drag_sensitivity))
			SetCursor(wxCursor(wxCURSOR_SIZEWE));
		else
			SetCursor(wxNullCursor);
		return;
	}

	const int old_scroll_pos = scroll_left;
	if (event.LeftDown() || event.RightDown())
	{
		const int timepos = TimeFromRelativeX(mouse_x);
		std::vector<AudioMarker*> markers = event.LeftDown() ?
			timing->OnLeftClick(timepos, event.CmdDown(), drag_sensitivity, snap_sensitivity) :
			timing->OnRightClick(timepos, event.CmdDown(), drag_sensitivity, snap_sensitivity);

		// Clicking should never result in the audio display scrolling
		ScrollPixelToLeft(old_scroll_pos);

		if (markers.size())
		{
			RemoveTrackCursor();
			audio_marker.reset(new AudioMarkerInteractionObject(markers, timing, this, controller, (wxMouseButton)event.GetButton()));
			SetDraggedObject(audio_marker.get());
			return;
		}
	}
}

int bmx_wxmouseevent_getbutton(wxMouseEvent & event) {
	return event.GetButton();
}