1 files changed, 0 insertions, 241 deletions
diff --git a/ui/triple_splitter.cpp b/ui/triple_splitter.cpp
deleted file mode 100644
index fbdd22d7..00000000
--- a/ui/triple_splitter.cpp
+++ /dev/null
@@ -1,241 +0,0 @@
-// **************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
-// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
-// **************************************************************************
-
-#include "triple_splitter.h"
-#include <algorithm>
-
-using namespace zen;
-
-
-namespace
-{
-//------------ Grid Constants -------------------------------
-const int SASH_HIT_TOLERANCE = 5; //currently only a placebo!
-const int SASH_SIZE = 10;
-const double SASH_GRAVITY = 0.5; //value within [0, 1]; 1 := resize left only, 0 := resize right only
-const int CHILD_WINDOW_MIN_SIZE = 50; //min. size of managed windows
-
-const wxColor COLOR_SASH_GRADIENT_FROM = wxColour(192, 192, 192); //light grey
-const wxColor COLOR_SASH_GRADIENT_TO = *wxWHITE;
-}
-
-TripleSplitter::TripleSplitter(wxWindow* parent,
-                               wxWindowID id,
-                               const wxPoint& pos,
-                               const wxSize& size,
-                               long style) : wxWindow(parent, id, pos, size, style | wxTAB_TRAVERSAL), //tab between windows
-    centerOffset(0),
-    windowL(nullptr),
-    windowC(nullptr),
-    windowR(nullptr)
-{
-    Connect(wxEVT_PAINT,            wxPaintEventHandler(TripleSplitter::onPaintEvent     ), nullptr, this);
-    Connect(wxEVT_SIZE,             wxSizeEventHandler (TripleSplitter::onSizeEvent      ), nullptr, this);
-    //http://wiki.wxwidgets.org/Flicker-Free_Drawing
-    Connect(wxEVT_ERASE_BACKGROUND, wxEraseEventHandler(TripleSplitter::onEraseBackGround), nullptr, this);
-
-    SetBackgroundStyle(wxBG_STYLE_PAINT);
-
-    Connect(wxEVT_LEFT_DOWN,    wxMouseEventHandler(TripleSplitter::onMouseLeftDown  ), nullptr, this);
-    Connect(wxEVT_LEFT_UP,      wxMouseEventHandler(TripleSplitter::onMouseLeftUp    ), nullptr, this);
-    Connect(wxEVT_MOTION,       wxMouseEventHandler(TripleSplitter::onMouseMovement  ), nullptr, this);
-    Connect(wxEVT_LEAVE_WINDOW, wxMouseEventHandler(TripleSplitter::onLeaveWindow    ), nullptr, this);
-    Connect(wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEventHandler(TripleSplitter::onMouseCaptureLost), nullptr, this);
-    Connect(wxEVT_LEFT_DCLICK,  wxMouseEventHandler(TripleSplitter::onMouseLeftDouble), nullptr, this);
-}
-
-
-TripleSplitter::~TripleSplitter() {} //make sure correct destructor gets created for std::unique_ptr<SashMove>
-
-
-void TripleSplitter::updateWindowSizes()
-{
-    if (windowL && windowC && windowR)
-    {
-        const int centerPosX  = getCenterPosX();
-        const int centerWidth = getCenterWidth();
-
-        const wxRect clientRect = GetClientRect();
-
-        const int widthL = centerPosX;
-        const int windowRposX = widthL + centerWidth;
-        const int widthR = clientRect.width - windowRposX;
-
-        windowL->SetSize(0,                  0, widthL,                        clientRect.height);
-        windowC->SetSize(widthL + SASH_SIZE, 0, windowC->GetSize().GetWidth(), clientRect.height);
-        windowR->SetSize(windowRposX,        0, widthR,                        clientRect.height);
-
-        wxClientDC dc(this);
-        drawSash(dc);
-    }
-}
-
-
-class TripleSplitter::SashMove
-{
-public:
-    SashMove(wxWindow& wnd, int mousePosX, int centerOffset) : wnd_(wnd), mousePosX_(mousePosX), centerOffset_(centerOffset)
-    {
-        wnd_.SetCursor(wxCURSOR_SIZEWE);
-        wnd_.CaptureMouse();
-    }
-    ~SashMove()
-    {
-        wnd_.SetCursor(*wxSTANDARD_CURSOR);
-        if (wnd_.HasCapture())
-            wnd_.ReleaseMouse();
-    }
-    int getMousePosXStart   () const { return mousePosX_; }
-    int getCenterOffsetStart() const { return centerOffset_; }
-
-private:
-    wxWindow& wnd_;
-    const int mousePosX_;
-    const int centerOffset_;
-};
-
-
-inline
-int TripleSplitter::getCenterWidth() const
-{
-    return 2 * SASH_SIZE + (windowC ? windowC->GetSize().GetWidth() : 0);
-}
-
-
-int TripleSplitter::getCenterPosXOptimal() const
-{
-    const wxRect clientRect = GetClientRect();
-    const int centerWidth = getCenterWidth();
-    return (clientRect.width - centerWidth) * SASH_GRAVITY; //allowed to be negative for extreme client widths!
-}
-
-
-int TripleSplitter::getCenterPosX() const
-{
-    const wxRect clientRect = GetClientRect();
-    const int centerWidth = getCenterWidth();
-    const int centerPosXOptimal = getCenterPosXOptimal();
-
-    //normalize "centerPosXOptimal + centerOffset"
-    if (clientRect.width <  2 * CHILD_WINDOW_MIN_SIZE + centerWidth)
-        //use fixed "centeroffset" when "clientRect.width == 2 * CHILD_WINDOW_MIN_SIZE + centerWidth"
-        return centerPosXOptimal + CHILD_WINDOW_MIN_SIZE - static_cast<int>(2 * CHILD_WINDOW_MIN_SIZE * SASH_GRAVITY); //avoid rounding error
-    //make sure transition between conditional branches is continuous!
-    return std::max(CHILD_WINDOW_MIN_SIZE, //make sure centerPosXOptimal + offset is within bounds
-                    std::min(centerPosXOptimal + centerOffset, clientRect.width - CHILD_WINDOW_MIN_SIZE - centerWidth));
-}
-
-
-void TripleSplitter::drawSash(wxDC& dc)
-{
-    const int centerPosX  = getCenterPosX();
-    const int centerWidth = getCenterWidth();
-
-    auto draw = [&](wxRect rect)
-    {
-        const int sash2ndHalf = 3;
-        rect.width -= sash2ndHalf;
-        dc.GradientFillLinear(rect, COLOR_SASH_GRADIENT_FROM, COLOR_SASH_GRADIENT_TO, wxEAST);
-
-        rect.x += rect.width;
-        rect.width = sash2ndHalf;
-        dc.GradientFillLinear(rect, COLOR_SASH_GRADIENT_FROM, COLOR_SASH_GRADIENT_TO, wxWEST);
-
-        static_assert(SASH_SIZE > sash2ndHalf, "");
-    };
-
-    const wxRect rectSashL(centerPosX,                           0, SASH_SIZE, GetClientRect().height);
-    const wxRect rectSashR(centerPosX + centerWidth - SASH_SIZE, 0, SASH_SIZE, GetClientRect().height);
-
-    draw(rectSashL);
-    draw(rectSashR);
-}
-
-
-bool TripleSplitter::hitOnSashLine(int posX) const
-{
-    const int centerPosX  = getCenterPosX();
-    const int centerWidth = getCenterWidth();
-
-    //we don't get events outside of sash, so SASH_HIT_TOLERANCE is currently *useless*
-    auto hitSash = [&](int sashX) { return sashX - SASH_HIT_TOLERANCE <= posX && posX < sashX + SASH_SIZE + SASH_HIT_TOLERANCE; };
-
-    return hitSash(centerPosX) || hitSash(centerPosX + centerWidth - SASH_SIZE); //hit one of the two sash lines
-}
-
-
-void TripleSplitter::onMouseLeftDown(wxMouseEvent& event)
-{
-    activeMove.reset();
-
-    const int posX = event.GetPosition().x;
-    if (hitOnSashLine(posX))
-        activeMove.reset(new SashMove(*this, posX, centerOffset));
-    event.Skip();
-}
-
-
-void TripleSplitter::onMouseLeftUp(wxMouseEvent& event)
-{
-    activeMove.reset(); //nothing else to do, actual work done by onMouseMovement()
-    event.Skip();
-}
-
-
-void TripleSplitter::onMouseMovement(wxMouseEvent& event)
-{
-    if (activeMove)
-    {
-        centerOffset = activeMove->getCenterOffsetStart() + event.GetPosition().x - activeMove->getMousePosXStart();
-
-        //CAVEAT: function getCenterPosX() normalizes centerPosX *not* centerOffset!
-        //This can lead to the strange effect of window not immediately resizing when centerOffset is extremely off limits
-        //=> normalize centerOffset right here
-        centerOffset = getCenterPosX() - getCenterPosXOptimal();
-
-        updateWindowSizes();
-        Update(); //no time to wait until idle event!
-    }
-    else
-    {
-        //we receive those only while above the sash, not the managed windows (except when the managed windows are disabled!)
-        const int posX = event.GetPosition().x;
-        if (hitOnSashLine(posX))
-            SetCursor(wxCURSOR_SIZEWE); //set window-local only!
-        else
-            SetCursor(*wxSTANDARD_CURSOR);
-    }
-    event.Skip();
-}
-
-
-void TripleSplitter::onLeaveWindow(wxMouseEvent& event)
-{
-    //even called when moving from sash over to managed windows!
-    if (!activeMove)
-        SetCursor(*wxSTANDARD_CURSOR);
-    event.Skip();
-}
-
-
-void TripleSplitter::onMouseCaptureLost(wxMouseCaptureLostEvent& event)
-{
-    activeMove.reset();
-    updateWindowSizes();
-    //event.Skip(); -> we DID handle it!
-}
-
-
-void TripleSplitter::onMouseLeftDouble(wxMouseEvent& event)
-{
-    const int posX = event.GetPosition().x;
-    if (hitOnSashLine(posX))
-    {
-        centerOffset = 0; //reset sash according to gravity
-        updateWindowSizes();
-    }
-    event.Skip();
-}