Merge pull request #1018 from BIMCoderLiang/master

Add Chinese language translation.

Author: leozide

leocad.pro

@@ -80,7 +80,7 @@ APPVEYOR_REPO_COMMIT = $$(APPVEYOR_REPO_COMMIT)
 	}
 }
 
-TSFILES = resources/leocad_cs.ts resources/leocad_de.ts resources/leocad_es.ts resources/leocad_fr.ts resources/leocad_pt.ts resources/leocad_ru.ts resources/leocad_uk.ts
+TSFILES = resources/leocad_cs.ts resources/leocad_de.ts resources/leocad_es.ts resources/leocad_fr.ts resources/leocad_pt.ts resources/leocad_ru.ts resources/leocad_uk.ts resources/leocad_zh_CN.ts
 lrelease.input = TSFILES
 lrelease.output = ${QMAKE_FILE_PATH}/${QMAKE_FILE_BASE}.qm
 lrelease.commands = $$QMAKE_LRELEASE -silent ${QMAKE_FILE_IN} -qm ${QMAKE_FILE_PATH}/${QMAKE_FILE_BASE}.qm
@@ -343,5 +343,5 @@ OTHER_FILES +=
 RESOURCES += leocad.qrc resources/stylesheet/stylesheet.qrc
 
 !win32 {
-	TRANSLATIONS = resources/leocad_cs.ts resources/leocad_de.ts resources/leocad_es.ts resources/leocad_fr.ts resources/leocad_pt.ts resources/leocad_ru.ts resources/leocad_uk.ts
+        TRANSLATIONS = resources/leocad_cs.ts resources/leocad_de.ts resources/leocad_es.ts resources/leocad_fr.ts resources/leocad_pt.ts resources/leocad_ru.ts resources/leocad_uk.ts resources/leocad_zh_CN.ts
 }

leocad.qrc

@@ -131,6 +131,7 @@
         <file>resources/leocad_pt.qm</file>
         <file>resources/leocad_ru.qm</file>
         <file>resources/leocad_uk.qm</file>
+        <file>resources/leocad_zh_CN.qm</file>
         <file>resources/shaders/fakelit_color_ps.glsl</file>
         <file>resources/shaders/fakelit_color_vs.glsl</file>
         <file>resources/shaders/fakelit_texture_decal_ps.glsl</file>

qt/lc_qpreferencesdialog.cpp

@@ -16,7 +16,7 @@
 
 static const char* gLanguageLocales[] =
 {
-	"", "cs_CZ", "de_DE", "en_US", "fr_FR", "pt_PT", "es_ES"
+    "", "cs_CZ", "de_DE", "en_US", "fr_FR", "pt_PT", "es_ES", "zh_CN"
 };
 
 lcQPreferencesDialog::lcQPreferencesDialog(QWidget* Parent, lcPreferencesDialogOptions* Options)
@@ -32,6 +32,14 @@ lcQPreferencesDialog::lcQPreferencesDialog(QWidget* Parent, lcPreferencesDialogO
 	delete ui->povrayLayout;
 #endif
 
+	ui->Language->addItem("\u010cesky");
+	ui->Language->addItem("Deutsch");
+	ui->Language->addItem("English");
+	ui->Language->addItem("Fran\u00e7ais");
+	ui->Language->addItem("Portugu\u00eas");
+	ui->Language->addItem("Espa\u00f1ol");
+	ui->Language->addItem("\u7b80\u4f53\u4e2d\u6587");
+
 	connect(ui->BackgroundSolidColorButton, &QToolButton::clicked, this, &lcQPreferencesDialog::ColorButtonClicked);
 	connect(ui->BackgroundGradient1ColorButton, &QToolButton::clicked, this, &lcQPreferencesDialog::ColorButtonClicked);
 	connect(ui->BackgroundGradient2ColorButton, &QToolButton::clicked, this, &lcQPreferencesDialog::ColorButtonClicked);

qt/lc_qpreferencesdialog.ui

@@ -50,36 +50,6 @@
               <string>Default</string>
              </property>
             </item>
-            <item>
-             <property name="text">
-              <string>Czech</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>Deutsch </string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>English</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>Français</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>Português</string>
-             </property>
-            </item>
-            <item>
-             <property name="text">
-              <string>Español</string>
-             </property>
-            </item>
            </widget>
           </item>
           <item row="2" column="1">