Use push/pop mechanism for cursors

src/framework/input/mouse.cpp

@@ -61,7 +61,7 @@ void Mouse::addCursor(const std::string& name, const std::string& file, const Po
         g_logger.error(stdext::format("unable to load cursor %s", name));
 }
 
-bool Mouse::setCursor(const std::string& name)
+bool Mouse::pushCursor(const std::string& name)
 {
     auto it = m_cursors.find(name);
     if(it == m_cursors.end())
@@ -73,12 +73,26 @@ bool Mouse::setCursor(const std::string& name)
     return true;
 }
 
-void Mouse::restoreCursor()
+void Mouse::popCursor(const std::string& name)
 {
     if(m_cursorStack.size() == 0)
         return;
 
-    m_cursorStack.pop_back();
+    if(name.empty() || m_cursors.find(name) == m_cursors.end())
+        m_cursorStack.pop_back();
+    else {
+        int cursorId = m_cursors[name];
+        int index = -1;
+        for(uint i=0;i<m_cursorStack.size();++i) {
+            if(m_cursorStack[i] == cursorId)
+                index = i;
+        }
+        if(index >= 0)
+            m_cursorStack.erase(m_cursorStack.begin() + index);
+        else
+            return;
+    }
+
     if(m_cursorStack.size() > 0)
         g_window.setMouseCursor(m_cursorStack.back());
     else
@@ -99,6 +113,6 @@ void Mouse::checkStackSize()
 {
     if(m_cursorStack.size() > 5) {
         g_logger.error("mouse cursor stack is too long");
-        m_cursorStack.resize(5);
+        m_cursorStack.pop_front();
     }
 }

src/framework/input/mouse.h

@@ -30,8 +30,8 @@ public:
 
     void loadCursors(std::string filename);
     void addCursor(const std::string& name, const std::string& file, const Point& hotSpot);
-    bool setCursor(const std::string& name);
-    void restoreCursor();
+    bool pushCursor(const std::string& name);
+    void popCursor(const std::string& name);
     bool isCursorChanged();
     bool isPressed(Fw::MouseButton mouseButton);
 
@@ -39,7 +39,7 @@ private:
     void checkStackSize();
 
     std::map<std::string, int> m_cursors;
-    std::vector<int> m_cursorStack;
+    std::deque<int> m_cursorStack;
 };
 
 extern Mouse g_mouse;

src/framework/luafunctions.cpp

@@ -272,8 +272,8 @@ void Application::registerLuaFunctions()
     g_lua.registerSingletonClass("g_mouse");
     g_lua.bindSingletonFunction("g_mouse", "loadCursors", &Mouse::loadCursors, &g_mouse);
     g_lua.bindSingletonFunction("g_mouse", "addCursor", &Mouse::addCursor, &g_mouse);
-    g_lua.bindSingletonFunction("g_mouse", "setCursor", &Mouse::setCursor, &g_mouse);
-    g_lua.bindSingletonFunction("g_mouse", "restoreCursor", &Mouse::restoreCursor, &g_mouse);
+    g_lua.bindSingletonFunction("g_mouse", "pushCursor", &Mouse::pushCursor, &g_mouse);
+    g_lua.bindSingletonFunction("g_mouse", "popCursor", &Mouse::popCursor, &g_mouse);
     g_lua.bindSingletonFunction("g_mouse", "isCursorChanged", &Mouse::isCursorChanged, &g_mouse);
     g_lua.bindSingletonFunction("g_mouse", "isPressed", &Mouse::isPressed, &g_mouse);
 

src/framework/ui/uitextedit.cpp

@@ -590,9 +590,9 @@ void UITextEdit::onHoverChange(bool hovered)
 {
     if(m_changeCursorImage) {
         if(hovered)
-            g_mouse.setCursor("text");
+            g_mouse.pushCursor("text");
         else
-            g_mouse.restoreCursor();
+            g_mouse.popCursor("text");
     }
 }