Unicode Character Names Integration using ICU

Change-Id: I0624690f8af05adb2466219a4e508e634c490ef1
Reviewed-on: https://gerrit.libreoffice.org/40436Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

cui/source/dialogs/cuicharmap.cxx

@@ -47,6 +47,8 @@
 #include <editeng/fontitem.hxx>
 #include "strings.hrc"
 #include "macroass.hxx"
+#include <unicode/uchar.h>
+#include <unicode/utypes.h>
 
 using namespace css;
 
@@ -71,6 +73,9 @@ SvxCharacterMap::SvxCharacterMap( vcl::Window* pParent, const SfxItemSet* pSet )
     m_pSubsetLB->set_width_request(m_pSubsetLB->get_preferred_size().Width());
     get(m_pHexCodeText, "hexvalue");    get(m_pDecimalCodeText, "decimalvalue");
     get(m_pFavouritesBtn, "favbtn");
+    get(m_pCharName, "charname");
+    m_pCharName->set_height_request(m_pCharName->GetTextHeight()*3);
+    m_pCharName->SetPaintTransparent(true);
     //lock the size request of this widget to the width of the original .ui string
     m_pHexCodeText->set_width_request(m_pHexCodeText->get_preferred_size().Width());
 
@@ -177,6 +182,7 @@ void SvxCharacterMap::dispose()
     m_pShowChar.clear();
     m_pHexCodeText.clear();
     m_pDecimalCodeText.clear();
+    m_pCharName.clear();
 
     maRecentCharList.clear();
     maRecentCharFontList.clear();
@@ -498,6 +504,15 @@ void SvxCharacterMap::init()
         m_pFavCharView[i]->setClearAllClickHdl(LINK(this,SvxCharacterMap, FavClearAllClickHdl));
         m_pFavCharView[i]->SetLoseFocusHdl(LINK(this,SvxCharacterMap, LoseFocusHdl));
     }
+
+    char buffer[100];
+    UErrorCode errorCode = U_ZERO_ERROR;;
+
+    /* get the character name */
+    u_charName((UChar32)90, U_UNICODE_CHAR_NAME, buffer, sizeof(buffer), &errorCode);
+
+    if(U_SUCCESS(errorCode))
+        m_pCharName->SetText(OUString::createFromAscii(buffer));
 }
 
 bool SvxCharacterMap::isFavChar(const OUString& sTitle, const OUString& rFont)
@@ -651,6 +666,17 @@ IMPL_LINK_NOARG(SvxCharacterMap, FontSelectHdl, ListBox&, void)
     m_pSubsetLB->Enable(bNeedSubset);
 }
 
+void SvxCharacterMap::setCharName(char decimal[])
+{
+    int nDecimalValue = std::stoi(decimal);
+    char buffer[100];
+    UErrorCode errorCode;
+
+    /* get the character name */
+    errorCode=U_ZERO_ERROR;
+    u_charName((UChar32)nDecimalValue, U_UNICODE_CHAR_NAME, buffer, sizeof(buffer), &errorCode);
+    m_pCharName->SetText(OUString::createFromAscii(buffer));
+}
 
 IMPL_LINK_NOARG(SvxCharacterMap, SubsetSelectHdl, ListBox&, void)
 {
@@ -765,6 +791,7 @@ IMPL_LINK(SvxCharacterMap, CharClickHdl, SvxCharView*, rView, void)
 
     m_pHexCodeText->SetText( aHexText );
     m_pDecimalCodeText->SetText( aDecimalText );
+    setCharName(aDecBuf);
 
     rView->Invalidate();
     m_pOKBtn->Enable();
@@ -853,6 +880,7 @@ IMPL_LINK_NOARG(SvxCharacterMap, CharHighlightHdl, SvxShowCharSet*, void)
         char aDecBuf[32];
         snprintf( aDecBuf, sizeof(aDecBuf), "%u", static_cast<unsigned>(cChar) );
         aDecimalText = OUString::createFromAscii(aDecBuf);
+        setCharName(aDecBuf);
     }
 
     // Update the hex and decimal codes only if necessary

cui/source/inc/cuicharmap.hxx

@@ -81,6 +81,7 @@ private:
     VclPtr<Button>         m_pFavouritesBtn;
     VclPtr<SvxCharView>    m_pRecentCharView[16];
     VclPtr<SvxCharView>    m_pFavCharView[16];
+    VclPtr<VclMultiLineEdit>      m_pCharName;
 
     vcl::Font       aFont;
     const SubsetMap* pSubsetMap;
@@ -142,6 +143,8 @@ public:
 
     void            updateFavCharControl();
     void            setFavButtonState(const OUString& sTitle, const OUString& rFont);
+
+    void            setCharName(char decimal[]);
 };
 
 #endif

cui/uiconfig/ui/specialcharacters.ui

@@ -160,6 +160,7 @@
                 <property name="can_focus">False</property>
                 <property name="hexpand">True</property>
                 <property name="vexpand">True</property>
+                <property name="row_spacing">6</property>
                 <child>
                   <object class="cuilo-SvxShowText" id="showchar">
                     <property name="width_request">80</property>
@@ -178,6 +179,7 @@
                   <object class="GtkGrid" id="grid4">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="halign">center</property>
                     <property name="row_spacing">3</property>
                     <property name="column_spacing">6</property>
                     <property name="row_homogeneous">True</property>
@@ -273,6 +275,20 @@
                       </packing>
                     </child>
                   </object>
+                  <packing>
+                    <property name="left_attach">0</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkTextView" id="charname">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="editable">False</property>
+                    <property name="wrap_mode">word</property>
+                    <property name="justification">center</property>
+                    <property name="cursor_visible">False</property>
+                  </object>
                   <packing>
                     <property name="left_attach">0</property>
                     <property name="top_attach">1</property>