- enhancement: "Mouse scroll direction" option in Options / Editor / General

- change: Invert scroll direction in horizontal, like in vertical.

NEWS.md

@@ -58,6 +58,8 @@ Red Panda C++ Version 2.27
   - enhancement: Folding button scales with editor font.
   - fix: Should show header completion popup in #include line comments.
   - fix: Custom compile options not correctly parsed.
+  - enhancement: "Mouse scroll direction" option in Options / Editor / General
+  - change: Invert scroll direction in horizontal, like in vertical.
 
 Red Panda C++ Version 2.26
   - enhancement: Code suggestion for embedded std::vectors.

RedPandaIDE/editor.cpp

@@ -5253,6 +5253,8 @@ void Editor::applySettings()
     options.setFlag(QSynedit::eoScrollByOneLess,pSettings->editor().scrollByOneLess());
     options.setFlag(QSynedit::eoHalfPageScroll,pSettings->editor().halfPageScroll());
     options.setFlag(QSynedit::eoHalfPageScroll,pSettings->editor().halfPageScroll());
+    options.setFlag(QSynedit::eoInvertMouseScroll, pSettings->editor().invertMouseScroll());
+
     options.setFlag(QSynedit::eoShowRainbowColor,
                     pSettings->editor().rainbowParenthesis()
                     && syntaxer()->supportBraceLevel());

RedPandaIDE/settings.cpp

@@ -825,6 +825,16 @@ void Settings::Editor::setForceFixedFontWidth(bool newForceFixedWidth)
     mForceFixedFontWidth = newForceFixedWidth;
 }
 
+bool Settings::Editor::invertMouseScroll() const
+{
+    return mInvertMouseScroll;
+}
+
+void Settings::Editor::setInvertMouseScroll(bool newInvertMouseScroll)
+{
+    mInvertMouseScroll = newInvertMouseScroll;
+}
+
 bool Settings::Editor::showTrailingSpaces() const
 {
     return mShowTrailingSpaces;
@@ -1342,6 +1352,7 @@ void Settings::Editor::doSave()
     saveValue("half_page_scroll", mHalfPageScroll);
     saveValue("mouse_wheel_scroll_speed", mMouseWheelScrollSpeed);
     saveValue("mouse_selection_scroll_speed",mMouseSelectionScrollSpeed);
+    saveValue("invert_mouse_scroll",mInvertMouseScroll);
 
     //right edge
     saveValue("show_right_edge_line",mShowRightEdgeLine);
@@ -1474,6 +1485,7 @@ void Settings::Editor::doLoad()
     mHalfPageScroll = boolValue("half_page_scroll",false);
     mMouseWheelScrollSpeed = intValue("mouse_wheel_scroll_speed", 3);
     mMouseSelectionScrollSpeed = intValue("mouse_selection_scroll_speed",1);
+    mInvertMouseScroll = boolValue("invert_mouse_scroll", false);
 
 
     //right edge

RedPandaIDE/settings.h

@@ -410,6 +410,9 @@ public:
         bool forceFixedFontWidth() const;
         void setForceFixedFontWidth(bool newForceFixedWidth);
 
+        bool invertMouseScroll() const;
+        void setInvertMouseScroll(bool newInvertMouseScroll);
+
     private:
         //General
         // indents
@@ -441,6 +444,7 @@ public:
         bool mHalfPageScroll;
         int mMouseWheelScrollSpeed;
         int mMouseSelectionScrollSpeed;
+        bool mInvertMouseScroll;
 
         //right margin
         bool mShowRightEdgeLine;

RedPandaIDE/settingsdialog/editorgeneralwidget.cpp

@@ -79,6 +79,7 @@ void EditorGeneralWidget::doLoad()
     ui->chkScrollByOneLess->setChecked(pSettings->editor().scrollByOneLess());
     ui->spinMouseWheelScrollSpeed->setValue(pSettings->editor().mouseWheelScrollSpeed());
     ui->spinMouseSelectionScrollSpeed->setValue(pSettings->editor().mouseSelectionScrollSpeed());
+    ui->rbInvertScroll->setChecked(pSettings->editor().invertMouseScroll());
 
     //right margin line;
     ui->grpRightEdge->setChecked(pSettings->editor().showRightEdgeLine());
@@ -116,7 +117,7 @@ void EditorGeneralWidget::doSave()
     pSettings->editor().setHalfPageScroll(ui->chkScrollHalfPage->isChecked());
     pSettings->editor().setMouseWheelScrollSpeed(ui->spinMouseWheelScrollSpeed->value());
     pSettings->editor().setMouseSelectionScrollSpeed(ui->spinMouseSelectionScrollSpeed->value());
-
+    pSettings->editor().setInvertMouseScroll(ui->rbInvertScroll->isChecked());
     //right margin line;
     pSettings->editor().setShowRightEdgeLine(ui->grpRightEdge->isChecked());
     pSettings->editor().setRightEdgeWidth(ui->spRightEdge->value());

RedPandaIDE/settingsdialog/editorgeneralwidget.ui

@@ -367,6 +367,42 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QGroupBox" name="groupBox_3">
+        <property name="title">
+         <string>Mouse Scroll Direction</string>
+        </property>
+        <layout class="QHBoxLayout" name="horizontalLayout_7">
+         <item>
+          <widget class="QRadioButton" name="rbNaturalScroll">
+           <property name="text">
+            <string>Natural</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="rbInvertScroll">
+           <property name="text">
+            <string>Invert</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_8">
+           <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>
       <item>
        <widget class="QWidget" name="widget_6" native="true">
         <layout class="QHBoxLayout" name="horizontalLayout_3">

RedPandaIDE/translations/RedPandaIDE_pt_BR.ts

@@ -1452,12 +1452,12 @@
         <translation>Inserir a condição de parada:</translation>
     </message>
     <message>
-        <location line="+260"/>
+        <location line="+262"/>
         <source>Readonly</source>
         <translation>Apenas leitura</translation>
     </message>
     <message>
-        <location line="-5347"/>
+        <location line="-5349"/>
         <location line="+434"/>
         <source>Error Load File</source>
         <translation type="unfinished">Erro ao carregar arquivo</translation>
@@ -8374,7 +8374,7 @@
         <location filename="../autolinkmanager.cpp" line="+54"/>
         <location line="+16"/>
         <location line="+19"/>
-        <location filename="../settings.cpp" line="+4057"/>
+        <location filename="../settings.cpp" line="+4069"/>
         <location filename="../widgets/ojproblemsetmodel.cpp" line="-401"/>
         <location line="+61"/>
         <source>Can&apos;t open file &apos;%1&apos; for read.</source>
@@ -8689,7 +8689,7 @@
         <translation>Impossível carregar configurações para autolink</translation>
     </message>
     <message>
-        <location filename="../parser/cppparser.cpp" line="+1235"/>
+        <location filename="../parser/cppparser.cpp" line="+1258"/>
         <source>constructor</source>
         <translation>constructor</translation>
     </message>
@@ -11047,7 +11047,22 @@
         <translation>Limitar rolamento de página a apenas uma linha</translation>
     </message>
     <message>
-        <location line="+22"/>
+        <location line="+7"/>
+        <source>Mouse Scroll Direction</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+6"/>
+        <source>Natural</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+7"/>
+        <source>Invert</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+38"/>
         <source>Mouse Wheel Scroll Speed</source>
         <translation>Velocidade de rolamento pela rodinha do mouse</translation>
     </message>

RedPandaIDE/translations/RedPandaIDE_zh_CN.ts

@@ -1714,7 +1714,7 @@ p, li { white-space: pre-wrap; }
         <translation>输入当前断点的生效条件:</translation>
     </message>
     <message>
-        <location line="+260"/>
+        <location line="+262"/>
         <source>Readonly</source>
         <translation>只读</translation>
     </message>
@@ -9234,7 +9234,7 @@ p, li { white-space: pre-wrap; }
         <translation>生成调试信息(-g3)</translation>
     </message>
     <message>
-        <location filename="../settings.cpp" line="+3455"/>
+        <location filename="../settings.cpp" line="+3467"/>
         <source>Would you like Red Panda C++ to search for compilers in PATH?</source>
         <translation>您同意小熊猫C++在PATH路径中寻找gcc编译器吗？</translation>
     </message>
@@ -9828,7 +9828,7 @@ p, li { white-space: pre-wrap; }
         <translation type="vanished">无标题</translation>
     </message>
     <message>
-        <location filename="../parser/cppparser.cpp" line="+1235"/>
+        <location filename="../parser/cppparser.cpp" line="+1258"/>
         <source>constructor</source>
         <translation>构造函数</translation>
     </message>
@@ -11950,7 +11950,22 @@ p, li { white-space: pre-wrap; }
         <translation>在滚动页时少滚动一行</translation>
     </message>
     <message>
-        <location line="+22"/>
+        <location line="+7"/>
+        <source>Mouse Scroll Direction</source>
+        <translation>鼠标卷轴方向</translation>
+    </message>
+    <message>
+        <location line="+6"/>
+        <source>Natural</source>
+        <translation>正常</translation>
+    </message>
+    <message>
+        <location line="+7"/>
+        <source>Invert</source>
+        <translation>反向</translation>
+    </message>
+    <message>
+        <location line="+38"/>
         <source>Mouse Wheel Scroll Speed</source>
         <translation>鼠标滚轮卷轴速度（行）</translation>
     </message>
@@ -11976,7 +11991,7 @@ p, li { white-space: pre-wrap; }
         <translation>右边缘颜色</translation>
     </message>
     <message>
-        <location line="-331"/>
+        <location line="-367"/>
         <source>Caret for overwriting mode</source>
         <translation>覆写状态下的光标</translation>
     </message>

RedPandaIDE/translations/RedPandaIDE_zh_TW.ts

@@ -1297,12 +1297,12 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location line="+260"/>
+        <location line="+262"/>
         <source>Readonly</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location line="-5347"/>
+        <location line="-5349"/>
         <location line="+434"/>
         <source>Error Load File</source>
         <translation type="unfinished"></translation>
@@ -8002,7 +8002,7 @@
         <location filename="../autolinkmanager.cpp" line="+54"/>
         <location line="+16"/>
         <location line="+19"/>
-        <location filename="../settings.cpp" line="+4057"/>
+        <location filename="../settings.cpp" line="+4069"/>
         <location filename="../widgets/ojproblemsetmodel.cpp" line="-401"/>
         <location line="+61"/>
         <source>Can&apos;t open file &apos;%1&apos; for read.</source>
@@ -8310,7 +8310,7 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../parser/cppparser.cpp" line="+1235"/>
+        <location filename="../parser/cppparser.cpp" line="+1258"/>
         <source>constructor</source>
         <translation type="unfinished"></translation>
     </message>
@@ -10275,7 +10275,22 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location line="+22"/>
+        <location line="+7"/>
+        <source>Mouse Scroll Direction</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+6"/>
+        <source>Natural</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+7"/>
+        <source>Invert</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location line="+38"/>
         <source>Mouse Wheel Scroll Speed</source>
         <translation type="unfinished"></translation>
     </message>

libs/qsynedit/qsynedit/qsynedit.cpp

@@ -6256,6 +6256,7 @@ void QSynEdit::leaveEvent(QEvent *)
 
 void QSynEdit::wheelEvent(QWheelEvent *event)
 {
+    int sign = mOptions.testFlag(EditorOption::eoInvertMouseScroll)?+1:-1;
     if (event->modifiers() == Qt::ShiftModifier) {
         if ( (mWheelAccumulatedDeltaX>0 &&event->angleDelta().y()<0)
              || (mWheelAccumulatedDeltaX<0 &&event->angleDelta().y()>0))
@@ -6263,11 +6264,11 @@ void QSynEdit::wheelEvent(QWheelEvent *event)
         mWheelAccumulatedDeltaX+=event->angleDelta().y();
         while (mWheelAccumulatedDeltaX>=120) {
             mWheelAccumulatedDeltaX-=120;
-            horizontalScrollBar()->setValue(horizontalScrollBar()->value()+mMouseWheelScrollSpeed);
+            horizontalScrollBar()->setValue(horizontalScrollBar()->value()+sign*mMouseWheelScrollSpeed*mCharWidth);
         }
         while (mWheelAccumulatedDeltaX<=-120) {
             mWheelAccumulatedDeltaX+=120;
-            horizontalScrollBar()->setValue(horizontalScrollBar()->value()-mMouseWheelScrollSpeed);
+            horizontalScrollBar()->setValue(horizontalScrollBar()->value()-sign*mMouseWheelScrollSpeed*mCharWidth);
         }
     } else {
         if ( (mWheelAccumulatedDeltaY>0 &&event->angleDelta().y()<0)
@@ -6276,11 +6277,11 @@ void QSynEdit::wheelEvent(QWheelEvent *event)
         mWheelAccumulatedDeltaY+=event->angleDelta().y();
         while (mWheelAccumulatedDeltaY>=120) {
             mWheelAccumulatedDeltaY-=120;
-            verticalScrollBar()->setValue(verticalScrollBar()->value()-mMouseWheelScrollSpeed);
+            verticalScrollBar()->setValue(verticalScrollBar()->value()+sign*mMouseWheelScrollSpeed);
         }
         while (mWheelAccumulatedDeltaY<=-120) {
             mWheelAccumulatedDeltaY+=120;
-            verticalScrollBar()->setValue(verticalScrollBar()->value()+mMouseWheelScrollSpeed);
+            verticalScrollBar()->setValue(verticalScrollBar()->value()-sign*mMouseWheelScrollSpeed);
         }
 
         if ( (mWheelAccumulatedDeltaX>0 &&event->angleDelta().x()<0)
@@ -6289,11 +6290,11 @@ void QSynEdit::wheelEvent(QWheelEvent *event)
         mWheelAccumulatedDeltaX+=event->angleDelta().x();
         while (mWheelAccumulatedDeltaX>=120) {
             mWheelAccumulatedDeltaX-=120;
-            horizontalScrollBar()->setValue(horizontalScrollBar()->value()+mMouseWheelScrollSpeed);
+            horizontalScrollBar()->setValue(horizontalScrollBar()->value()+sign*mMouseWheelScrollSpeed*mCharWidth);
         }
         while (mWheelAccumulatedDeltaX<=-120) {
             mWheelAccumulatedDeltaX+=120;
-            horizontalScrollBar()->setValue(horizontalScrollBar()->value()-mMouseWheelScrollSpeed);
+            horizontalScrollBar()->setValue(horizontalScrollBar()->value()-sign*mMouseWheelScrollSpeed*mCharWidth);
         }
     }
     event->accept();

libs/qsynedit/qsynedit/qsynedit.h

@@ -93,7 +93,7 @@ enum EditorOption {
     eoScrollByOneLess =       0x00001000, //Forces scrolling to be one less
     eoScrollPastEof =         0x00002000, //Allows the cursor to go past the end of file marker
     eoScrollPastEol =         0x00004000, //Allows the cursor to go past the last character into the white space at the end of a line
-//  eoShowSpecialChars =      0x00008000, //Shows the special Characters
+    eoInvertMouseScroll =     0x00008000, //Shows the special Characters
 //  eoSpecialLineDefaultFg = 0x00010000, //disables the foreground text color override when using the OnSpecialLineColor event
     eoTabIndent =             0x00020000, //When active <Tab> and <Shift><Tab> act as block indent, unindent when text is selected
     eoTabsToSpaces =          0x00040000, //Converts a tab character to a specified number of space characters