1 files changed, 328 insertions, 0 deletions
diff --git a/sfx2/source/control/charwin.cxx b/sfx2/source/control/charwin.cxx
new file mode 100644
index 0000000000..475583c890
--- /dev/null
+++ b/sfx2/source/control/charwin.cxx
@@ -0,0 +1,328 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/settings.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/commandevent.hxx>
+#include <vcl/event.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/weldutils.hxx>
+#include <sfx2/charwin.hxx>
+#include <comphelper/dispatchcommand.hxx>
+#include <comphelper/propertyvalue.hxx>
+
+#include <com/sun/star/beans/PropertyValue.hpp>
+
+#include <o3tl/temporary.hxx>
+#include <unicode/uchar.h>
+#include <unicode/utypes.h>
+
+using namespace com::sun::star;
+
+SvxCharView::SvxCharView(const VclPtr<VirtualDevice>& rVirDev)
+    : mxVirDev(rVirDev)
+    , mnY(0)
+    , maHasInsert(true)
+{
+}
+
+void SvxCharView::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    vcl::Font aFont = rStyleSettings.GetLabelFont();
+    const Size aFontSize = aFont.GetFontSize();
+    aFont.SetFontSize(Size(aFontSize.Width() * 2, aFontSize.Height() * 2));
+    mxVirDev->Push(PUSH_ALLFONT);
+    weld::SetPointFont(*mxVirDev, aFont);
+    pDrawingArea->set_size_request(mxVirDev->approximate_digit_width() * 2,
+                                   mxVirDev->GetTextHeight());
+    mxVirDev->Pop();
+}
+
+void SvxCharView::GetFocus()
+{
+    Invalidate();
+    if (maFocusInHdl.IsSet())
+        maFocusInHdl.Call(this);
+}
+
+void SvxCharView::LoseFocus() { Invalidate(); }
+
+bool SvxCharView::GetDecimalValueAndCharName(sal_UCS4& rDecimalValue, OUString& rCharName)
+{
+    OUString charValue = GetText();
+    if (charValue.isEmpty())
+        return false;
+
+    sal_UCS4 nDecimalValue = charValue.iterateCodePoints(&o3tl::temporary(sal_Int32(1)), -1);
+    /* get the character name */
+    UErrorCode errorCode = U_ZERO_ERROR;
+    // icu has a private uprv_getMaxCharNameLength function which returns the max possible
+    // length of this property. Unicode 3.2 max char name length was 83
+    char buffer[100];
+    u_charName(nDecimalValue, U_UNICODE_CHAR_NAME, buffer, sizeof(buffer), &errorCode);
+    if (U_SUCCESS(errorCode))
+    {
+        rDecimalValue = nDecimalValue;
+        rCharName = OUString::createFromAscii(buffer);
+        return true;
+    }
+    return false;
+}
+
+OUString SvxCharView::GetCharInfoText()
+{
+    sal_UCS4 nDecimalValue = 0;
+    OUString sCharName;
+    const bool bSuccess = GetDecimalValueAndCharName(nDecimalValue, sCharName);
+    if (bSuccess)
+    {
+        OUString aHexText = OUString::number(nDecimalValue, 16).toAsciiUpperCase();
+        return GetText() + u" " + sCharName + u" U+" + aHexText;
+    }
+    return OUString();
+}
+
+OUString SvxCharView::RequestHelp(tools::Rectangle& rHelpRect)
+{
+    // Gtk3 requires a rectangle be specified for the tooltip to display, X11 does not.
+    rHelpRect = tools::Rectangle(Point(), GetOutputSizePixel());
+    return GetCharInfoText();
+}
+
+bool SvxCharView::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    if (rMEvt.IsLeft())
+    {
+        if (!(rMEvt.GetClicks() % 2) && maHasInsert)
+        {
+            InsertCharToDoc();
+        }
+
+        maMouseClickHdl.Call(this);
+        return true;
+    }
+
+    return CustomWidgetController::MouseButtonDown(rMEvt);
+}
+
+bool SvxCharView::KeyInput(const KeyEvent& rKEvt)
+{
+    bool bRet = false;
+    vcl::KeyCode aCode = rKEvt.GetKeyCode();
+    switch (aCode.GetCode())
+    {
+        case KEY_SPACE:
+        case KEY_RETURN:
+            InsertCharToDoc();
+            bRet = true;
+            break;
+    }
+    return bRet;
+}
+
+bool SvxCharView::Command(const CommandEvent& rCommandEvent)
+{
+    if (rCommandEvent.GetCommand() == CommandEventId::ContextMenu)
+    {
+        GrabFocus();
+        Invalidate();
+        createContextMenu(rCommandEvent.GetMousePosPixel());
+        return true;
+    }
+
+    return weld::CustomWidgetController::Command(rCommandEvent);
+}
+
+void SvxCharView::InsertCharToDoc()
+{
+    if (GetText().isEmpty())
+        return;
+
+    uno::Sequence<beans::PropertyValue> aArgs{ comphelper::makePropertyValue("Symbols", GetText()),
+                                               comphelper::makePropertyValue(
+                                                   "FontName", maFont.GetFamilyName()) };
+
+    comphelper::dispatchCommand(".uno:InsertSymbol", aArgs);
+}
+
+void SvxCharView::createContextMenu(const Point& rPosition)
+{
+    weld::DrawingArea* pDrawingArea = GetDrawingArea();
+    std::unique_ptr<weld::Builder> xBuilder(
+        Application::CreateBuilder(pDrawingArea, "sfx/ui/charviewmenu.ui"));
+    std::unique_ptr<weld::Menu> xItemMenu(xBuilder->weld_menu("charviewmenu"));
+    ContextMenuSelect(
+        xItemMenu->popup_at_rect(pDrawingArea, tools::Rectangle(rPosition, Size(1, 1))));
+    Invalidate();
+}
+
+void SvxCharView::ContextMenuSelect(std::u16string_view rMenuId)
+{
+    if (rMenuId == u"clearchar")
+        maClearClickHdl.Call(this);
+    else if (rMenuId == u"clearallchar")
+        maClearAllClickHdl.Call(this);
+}
+
+void SvxCharView::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    rRenderContext.SetFont(maFont);
+
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+    const Color aWindowTextColor(rStyleSettings.GetFieldTextColor());
+    Color aHighlightColor(rStyleSettings.GetHighlightColor());
+    Color aHighlightTextColor(rStyleSettings.GetHighlightTextColor());
+    Color aFillColor(rStyleSettings.GetWindowColor());
+    Color aTextColor(rStyleSettings.GetWindowTextColor());
+    Color aShadowColor(rStyleSettings.GetShadowColor());
+
+    const OUString aText = GetText();
+
+    Size aSize(GetOutputSizePixel());
+    tools::Long nAvailWidth = aSize.Width();
+    tools::Long nWinHeight = aSize.Height();
+
+    bool bGotBoundary = true;
+    bool bShrankFont = false;
+    vcl::Font aOrigFont(rRenderContext.GetFont());
+    Size aFontSize(aOrigFont.GetFontSize());
+    ::tools::Rectangle aBoundRect;
+
+    for (tools::Long nFontHeight = aFontSize.Height(); nFontHeight > 0; nFontHeight -= 1)
+    {
+        if (!rRenderContext.GetTextBoundRect(aBoundRect, aText) || aBoundRect.IsEmpty())
+        {
+            bGotBoundary = false;
+            break;
+        }
+
+        //only shrink in the single glyph large view mode
+        tools::Long nTextWidth = aBoundRect.GetWidth();
+        if (nAvailWidth > nTextWidth)
+            break;
+        vcl::Font aFont(aOrigFont);
+        aFontSize.setHeight(nFontHeight);
+        aFont.SetFontSize(aFontSize);
+        rRenderContext.SetFont(aFont);
+        mnY = (nWinHeight - rRenderContext.GetTextHeight()) / 2;
+        bShrankFont = true;
+    }
+
+    Point aPoint(2, mnY);
+
+    if (!bGotBoundary)
+        aPoint.setX((aSize.Width() - rRenderContext.GetTextWidth(aText)) / 2);
+    else
+    {
+        // adjust position
+        aBoundRect += aPoint;
+
+        // vertical adjustment
+        int nYLDelta = aBoundRect.Top();
+        int nYHDelta = aSize.Height() - aBoundRect.Bottom();
+        if (nYLDelta <= 0)
+            aPoint.AdjustY(-(nYLDelta - 1));
+        else if (nYHDelta <= 0)
+            aPoint.AdjustY(nYHDelta - 1);
+
+        // centrally align glyph
+        aPoint.setX(-aBoundRect.Left() + (aSize.Width() - aBoundRect.GetWidth()) / 2);
+    }
+
+    // tdf#111924 - don't lose focus on context menu
+    if (HasFocus() || HasChildFocus())
+    {
+        rRenderContext.SetFillColor(aHighlightColor);
+        rRenderContext.DrawRect(tools::Rectangle(Point(0, 0), aSize));
+
+        rRenderContext.SetTextColor(aHighlightTextColor);
+        rRenderContext.DrawText(aPoint, aText);
+    }
+    else
+    {
+        rRenderContext.SetFillColor(aFillColor);
+        rRenderContext.SetLineColor(aShadowColor);
+        rRenderContext.DrawRect(tools::Rectangle(Point(0, 0), aSize));
+
+        rRenderContext.SetTextColor(aWindowTextColor);
+        rRenderContext.DrawText(aPoint, aText);
+    }
+    rRenderContext.SetFillColor(aFillColor);
+    rRenderContext.SetTextColor(aTextColor);
+
+    if (bShrankFont)
+        rRenderContext.SetFont(aOrigFont);
+}
+
+void SvxCharView::setFocusInHdl(const Link<SvxCharView*, void>& rLink) { maFocusInHdl = rLink; }
+
+void SvxCharView::setMouseClickHdl(const Link<SvxCharView*, void>& rLink)
+{
+    maMouseClickHdl = rLink;
+}
+
+void SvxCharView::setClearClickHdl(const Link<SvxCharView*, void>& rLink)
+{
+    maClearClickHdl = rLink;
+}
+
+void SvxCharView::setClearAllClickHdl(const Link<SvxCharView*, void>& rLink)
+{
+    maClearAllClickHdl = rLink;
+}
+
+void SvxCharView::SetFont(const vcl::Font& rFont)
+{
+    tools::Long nWinHeight = GetOutputSizePixel().Height();
+    maFont = rFont;
+    maFont.SetWeight(WEIGHT_NORMAL);
+    maFont.SetAlignment(ALIGN_TOP);
+    maFont.SetFontSize(mxVirDev->PixelToLogic(Size(0, nWinHeight / 2)));
+    maFont.SetTransparent(true);
+
+    mxVirDev->Push(PUSH_ALLFONT);
+    mxVirDev->SetFont(maFont);
+    mnY = (nWinHeight - mxVirDev->GetTextHeight()) / 2;
+    mxVirDev->Pop();
+
+    Invalidate();
+}
+
+void SvxCharView::Resize()
+{
+    SetFont(GetFont()); //force recalculation of size
+}
+
+void SvxCharView::SetText(const OUString& rText)
+{
+    m_sText = rText;
+    Invalidate();
+
+    OUString sName;
+    if (GetDecimalValueAndCharName(o3tl::temporary(sal_UCS4()), sName))
+        SetAccessibleName(sName);
+    else
+        SetAccessibleName(OUString());
+}
+
+void SvxCharView::SetHasInsert(bool bInsert) { maHasInsert = bInsert; }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */