sw/source/core/crsr/contentcontrolbutton.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <contentcontrolbutton.hxx>
  11
  12 #include <utility>
  13 #include <vcl/weldutils.hxx>
  14 #include <vcl/event.hxx>
  15 #include <vcl/decoview.hxx>
  16
  17 #include <edtwin.hxx>
  18 #include <dview.hxx>
  19
  20 SwContentControlButton::SwContentControlButton(SwEditWin* pEditWin,
  21                                                std::shared_ptr<SwContentControl> pContentControl)
  22     : Control(pEditWin, WB_DIALOGCONTROL)
  23     , m_pContentControl(std::move(pContentControl))
  24 {
  25     assert(GetParent());
  26     assert(dynamic_cast<SwEditWin*>(GetParent()));
  27
  28     SetBackground();
  29     EnableChildTransparentMode();
  30     SetParentClipMode(ParentClipMode::NoClip);
  31     SetPaintTransparent(true);
  32 }
  33
  34 SwContentControlButton::~SwContentControlButton() { disposeOnce(); }
  35
  36 void SwContentControlButton::LaunchPopup()
  37 {
  38     m_xPopup->connect_closed(LINK(this, SwContentControlButton, PopupModeEndHdl));
  39
  40     tools::Rectangle aRect(Point(0, 0), GetSizePixel());
  41     weld::Window* pParent = weld::GetPopupParent(*this, aRect);
  42     m_xPopup->popup_at_rect(pParent, aRect);
  43 }
  44
  45 void SwContentControlButton::DestroyPopup()
  46 {
  47     m_xPopup.reset();
  48     m_xPopupBuilder.reset();
  49 }
  50
  51 void SwContentControlButton::dispose()
  52 {
  53     DestroyPopup();
  54     Control::dispose();
  55 }
  56
  57 void SwContentControlButton::CalcPosAndSize(const SwRect& rPortionPaintArea)
  58 {
  59     assert(GetParent());
  60
  61     Point aBoxPos = GetParent()->LogicToPixel(rPortionPaintArea.Pos());
  62     Size aBoxSize = GetParent()->LogicToPixel(rPortionPaintArea.SSize());
  63
  64     // First calculate the size of the frame around the content control's last portion
  65     int nPadding = aBoxSize.Height() / 4;
  66     aBoxPos.AdjustX(-nPadding / 2);
  67     aBoxPos.AdjustY(-1);
  68     aBoxSize.AdjustWidth(nPadding);
  69     aBoxSize.AdjustHeight(2);
  70
  71     m_aFramePixel = tools::Rectangle(aBoxPos, aBoxSize);
  72
  73     // Then extend the size with the button area
  74     if (m_bRTL)
  75     {
  76         aBoxPos.AdjustX(-GetParent()->LogicToPixel(rPortionPaintArea.SSize()).Height());
  77     }
  78     aBoxSize.AdjustWidth(GetParent()->LogicToPixel(rPortionPaintArea.SSize()).Height());
  79
  80     if (aBoxPos != GetPosPixel() || aBoxSize != GetSizePixel())
  81     {
  82         SetPosSizePixel(aBoxPos, aBoxSize);
  83         Invalidate();
  84     }
  85 }
  86
  87 void SwContentControlButton::MouseButtonDown(const MouseEvent&) { StartPopup(); }
  88
  89 void SwContentControlButton::StartPopup()
  90 {
  91     if (m_xPopup) // tdf#152257 already launched, don't relaunch
  92         return;
  93     LaunchPopup();
  94     Invalidate();
  95 }
  96
  97 IMPL_LINK_NOARG(SwContentControlButton, PopupModeEndHdl, weld::Popover&, void)
  98 {
  99     DestroyPopup();
 100     Show(false);
 101     Invalidate();
 102 }
 103
 104 void SwContentControlButton::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
 105 {
 106     SetMapMode(MapMode(MapUnit::MapPixel));
 107
 108     Color aLineColor = COL_BLACK;
 109     Color aFillColor = aLineColor;
 110     aFillColor.IncreaseLuminance(255 * (m_xPopup ? 0.5 : 0.75));
 111
 112     // Calc the frame around the content control's last portion
 113     int nPadding = 1;
 114     Point aPos(nPadding, nPadding);
 115     Size aSize(m_aFramePixel.GetSize().Width() - nPadding,
 116                m_aFramePixel.GetSize().Height() - nPadding);
 117     const tools::Rectangle aFrameRect(tools::Rectangle(aPos, aSize));
 118
 119     // Draw the button next to the frame
 120     Point aButtonPos(aFrameRect.TopLeft());
 121     if (m_bRTL)
 122     {
 123         aButtonPos.AdjustX(nPadding * 2);
 124     }
 125     else
 126     {
 127         aButtonPos.AdjustX(aFrameRect.GetSize().getWidth() - nPadding * 2);
 128     }
 129     Size aButtonSize(aFrameRect.GetSize());
 130     aButtonSize.setWidth(GetSizePixel().getWidth() - aFrameRect.getOpenWidth() - nPadding);
 131     const tools::Rectangle aButtonRect(tools::Rectangle(aButtonPos, aButtonSize));
 132
 133     // Background & border
 134     rRenderContext.SetLineColor(aLineColor);
 135     rRenderContext.SetFillColor(aFillColor);
 136     rRenderContext.DrawRect(aButtonRect);
 137
 138     // the arrowhead
 139     DecorationView aDecoView(&rRenderContext);
 140     tools::Rectangle aSymbolRect(aButtonRect);
 141     // 20% distance to the left and right button border
 142     const tools::Long nBorderDistanceLeftAndRight = aSymbolRect.GetWidth() / 4;
 143     aSymbolRect.AdjustLeft(nBorderDistanceLeftAndRight);
 144     aSymbolRect.AdjustRight(-nBorderDistanceLeftAndRight);
 145     // 20% distance to the top and bottom button border
 146     const tools::Long nBorderDistanceTopAndBottom = aSymbolRect.GetHeight() / 4;
 147     aSymbolRect.AdjustTop(nBorderDistanceTopAndBottom);
 148     aSymbolRect.AdjustBottom(-nBorderDistanceTopAndBottom);
 149     AntialiasingFlags eAntialiasing = rRenderContext.GetAntialiasing();
 150     if (SwDrawView::IsAntiAliasing())
 151     {
 152         rRenderContext.SetAntialiasing(eAntialiasing | AntialiasingFlags::Enable);
 153     }
 154     aDecoView.DrawSymbol(aSymbolRect, SymbolType::SPIN_DOWN, GetTextColor(), DrawSymbolFlags::NONE);
 155     if (SwDrawView::IsAntiAliasing())
 156     {
 157         rRenderContext.SetAntialiasing(eAntialiasing);
 158     }
 159 }
 160
 161 WindowHitTest SwContentControlButton::ImplHitTest(const Point& rFramePos)
 162 {
 163     // We need to check whether the position hits the button (the frame should be mouse transparent)
 164     WindowHitTest aResult = Control::ImplHitTest(rFramePos);
 165     if (aResult != WindowHitTest::Inside)
 166         return aResult;
 167     else
 168     {
 169         if (m_bRTL)
 170         {
 171             return rFramePos.X() <= m_aFramePixel.Left() ? WindowHitTest::Inside
 172                                                          : WindowHitTest::Transparent;
 173         }
 174         return rFramePos.X() >= m_aFramePixel.Right() ? WindowHitTest::Inside
 175                                                       : WindowHitTest::Transparent;
 176     }
 177 }
 178
 179 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */