feat: add theme manager for light/dark theme of app and editor

liteidex/src/liteapp/liteapp.cpp

@@ -62,6 +62,9 @@
 #include <QComboBox>
 #include <QProcessEnvironment>
 #include <QDebug>
+
+#include "thememanager.h"
+
 //lite_memory_check_begin
 #if defined(WIN32) && defined(_MSC_VER) &&  defined(_DEBUG)
      #define _CRTDBG_MAP_ALLOC
@@ -136,6 +139,10 @@ IApplication* LiteApp::NewApplication(const QString &sessionName, IApplication *
 {
     LiteApp *app = new LiteApp;
     app->load(sessionName,baseApp);
+
+    //chen: improve for new app instance
+    ThemeManager::apply_to_liteApp(app);
+
     return app;
 }
 
@@ -154,6 +161,8 @@ QMap<QString,QVariant> LiteApp::s_cookie;
 
 QList<IApplication*> LiteApp::s_appList;
 
+bool LiteApp::s_darkMode;
+
 LiteApp::LiteApp()
     : m_rootPath(LiteApp::getRootPath()),
       m_applicationPath(QApplication::applicationDirPath()),

liteidex/src/liteapp/liteapp.h

@@ -159,6 +159,7 @@ protected slots:
 public:
     static QMap<QString,QVariant> s_cookie;
     static QList<IApplication*> s_appList;
+    static bool     s_darkMode; //app dark or light
 protected:
     QAction     *m_newAct;
     QAction     *m_openFileAct;

liteidex/src/liteapp/liteapp.pro

@@ -75,6 +75,7 @@ SOURCES += main.cpp\
     folderprojectfactory.cpp \
     goproxy.cpp \
     htmlwidgetmanager.cpp \
+    thememanager.cpp \
     textbrowserhtmlwidget.cpp \
     splitwindowstyle.cpp \
     sidewindowstyle.cpp \
@@ -110,6 +111,7 @@ HEADERS  += mainwindow.h \
     goproxy.h \
     cdrv.h \
     htmlwidgetmanager.h \
+    thememanager.h \
     textbrowserhtmlwidget.h \
     windowstyle.h \
     splitwindowstyle.h \

liteidex/src/liteapp/liteapp_global.h

@@ -53,6 +53,7 @@
 #define LITEAPP_EDITTABSENABLEWHELL "LiteApp/EditTabEnableWhell"
 #define LITEAPP_SHOWEDITTOOLBAR "LiteApp/ShowEditToolbar"
 #define LITEAPP_QSS "LiteApp/Qss"
+#define LITEAPP_QSS_DARK "LiteApp/Qss_dark"
 #define LITEAPP_FULLSCREEN "LiteApp/FullScreen"
 #define LITEAPP_WINSTATE   "LiteApp/WinState"
 #define LITEAPP_SHORTCUTS "keybord_shortcuts/"

liteidex/src/liteapp/liteappoption.cpp

@@ -34,6 +34,8 @@
 #include <QMessageBox>
 #include <QDebug>
 
+#include "thememanager.h"
+
 //lite_memory_check_begin
 #if defined(WIN32) && defined(_MSC_VER) &&  defined(_DEBUG)
      #define _CRTDBG_MAP_ALLOC
@@ -102,6 +104,12 @@ LiteAppOption::LiteAppOption(LiteApi::IApplication *app,QObject *parent) :
         foreach (QFileInfo info, qssDir.entryInfoList(QStringList() << "*.qss")) {
             ui->qssComboBox->addItem(info.fileName());
         }
+
+        // qss dark: init
+        foreach (QFileInfo info, qssDir.entryInfoList(QStringList() << "*.qss")) {
+            ui->qssComboBox_dark->addItem(info.fileName());
+        }
+        ui->qssComboBox_dark->addItem(QString("NOT SET"));
     }
 
 //    if (libgopher.isValid()) {
@@ -225,8 +233,21 @@ void LiteAppOption::save()
             m_liteApp->settings()->setValue(LITEAPP_QSS,qss);
             QString styleSheet = QLatin1String(f.readAll());
             qApp->setStyleSheet(styleSheet);
+
+            //chen: auto editor theme
+            ThemeManager::app_theme_changed(qss);
         }
     }
+    // qss dark: save
+    QString qss_dark = ui->qssComboBox_dark->currentText();
+    if (!qss_dark.isEmpty()) {        
+        m_liteApp->settings()->setValue(LITEAPP_QSS_DARK,qss_dark);
+
+        //chen: auto editor theme
+        // auto_editor_theme(qss, m_liteApp);
+    }
+    qDebug() << "=== save qss, qss_dark:" << qss << qss_dark;
+    // TODO: improve the dark/light settings UI
 
     bool customelIcon = ui->customIconCheckBox->isChecked();
     m_liteApp->settings()->setValue(LITEIDE_CUSTOMEICON,customelIcon);
@@ -291,6 +312,13 @@ void LiteAppOption::load()
     if (index >= 0 && index < ui->qssComboBox->count()) {
         ui->qssComboBox->setCurrentIndex(index);
     }
+    //qss dark: load
+    QString qss_dark = m_liteApp->settings()->value(LITEAPP_QSS_DARK,"NOT SET").toString();
+    int index2 = ui->qssComboBox_dark->findText(qss_dark,Qt::MatchFixedString);
+    if (index2 >= 0 && index < ui->qssComboBox_dark->count()) {
+        ui->qssComboBox_dark->setCurrentIndex(index2);
+    }
+    qDebug() << "=== load qss, qss_dark:" << qss << qss_dark << index2;
 
     int max = m_liteApp->settings()->value(LITEAPP_MAXRECENTFILES,32).toInt();
     //ui->maxRecentLineEdit->setText(QString("%1").arg(max));

liteidex/src/liteapp/liteappoption.ui

@@ -178,6 +178,45 @@
          </item>
         </layout>
        </item>
+
+       <!-- dark theme -->
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_11_">
+         <item>
+          <widget class="QGroupBox" name="groupBox_6_">
+           <property name="title">
+            <string>Theme Dark</string>
+           </property>
+           <layout class="QHBoxLayout" name="horizontalLayout_6_">
+            <item>
+             <widget class="QLabel" name="label_4">
+              <property name="text">
+               <string>Theme:</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QComboBox" name="qssComboBox_dark"/>
+            </item>
+            <item>
+             <spacer name="horizontalSpacer">
+              <property name="orientation">
+               <enum>Qt::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </widget>
+         </item>
+        </layout>
+       </item>
+
        <item>
         <widget class="QGroupBox" name="groupBox_10">
          <property name="title">

liteidex/src/liteapp/main.cpp

@@ -41,6 +41,9 @@
 #include "liteapp.h"
 #include "goproxy.h"
 #include "cdrv.h"
+
+#include "thememanager.h"
+
 //lite_memory_check_begin
 #if defined(WIN32) && defined(_MSC_VER) &&  defined(_DEBUG)
      #define _CRTDBG_MAP_ALLOC
@@ -224,6 +227,10 @@ int main(int argc, char *argv[])
     app.liteApp = liteApp;
 #endif
 
+    //chen: auto editor theme
+    ThemeManager themeManager(&app);
+    ThemeManager::monit_system_theme(&app);
+
     foreach(QString file, fileList) {
         QFileInfo f(file);
         if (f.isFile()) {