window moving

src/framework/core/input.h

@@ -180,28 +180,29 @@ enum EEvent {
     EV_KEYBOARD = 2,
     EV_DOWN = 4,
     EV_UP = 8,
-    EV_MOUSE_MOVE = 32,
-    EV_MOUSE_WHEEL = 64,
-    EV_MOUSE_LEFT = 128,
-    EV_MOUSE_RIGHT = 256,
-    EV_MOUSE_MIDDLE = 512,
+    EV_MOUSE_WHEEL = 16,
+    EV_MOUSE_LEFT = 32,
+    EV_MOUSE_RIGHT = 64,
+    EV_MOUSE_MIDDLE = 128,
 
-    EV_TEXT_ENTER = EV_KEYBOARD | 1024,
-    EV_KEY_DOWN = EV_KEYBOARD | EV_DOWN,
-    EV_KEY_UP = EV_KEYBOARD  | EV_UP,
-    EV_MOUSE_LDOWN = EV_MOUSE | EV_DOWN  | EV_MOUSE_LEFT,
-    EV_MOUSE_LUP = EV_MOUSE | EV_KEY_UP | EV_MOUSE_LEFT,
-    EV_MOUSE_MDOWN = EV_MOUSE | EV_DOWN  | EV_MOUSE_MIDDLE,
-    EV_MOUSE_MUP = EV_MOUSE | EV_KEY_UP | EV_MOUSE_MIDDLE,
-    EV_MOUSE_RDOWN = EV_MOUSE | EV_DOWN  | EV_MOUSE_RIGHT,
-    EV_MOUSE_RUP = EV_MOUSE | EV_KEY_UP | EV_MOUSE_RIGHT,
-    EV_MOUSE_WHEEL_UP = EV_MOUSE | EV_MOUSE_WHEEL | EV_UP,
+    EV_TEXT_ENTER =  EV_KEYBOARD | 256,
+    EV_KEY_DOWN =    EV_KEYBOARD | EV_DOWN,
+    EV_KEY_UP =      EV_KEYBOARD | EV_UP,
+    EV_MOUSE_MOVE  = EV_MOUSE | 512,
+    EV_MOUSE_LDOWN = EV_MOUSE | EV_MOUSE_LEFT | EV_DOWN,
+    EV_MOUSE_LUP =   EV_MOUSE | EV_MOUSE_LEFT | EV_UP,
+    EV_MOUSE_MDOWN = EV_MOUSE | EV_MOUSE_MIDDLE | EV_DOWN,
+    EV_MOUSE_MUP =   EV_MOUSE | EV_MOUSE_MIDDLE | EV_UP,
+    EV_MOUSE_RDOWN = EV_MOUSE | EV_MOUSE_RIGHT | EV_DOWN,
+    EV_MOUSE_RUP =   EV_MOUSE | EV_MOUSE_RIGHT | EV_UP,
+    EV_MOUSE_WHEEL_UP =   EV_MOUSE | EV_MOUSE_WHEEL | EV_UP,
     EV_MOUSE_WHEEL_DOWN = EV_MOUSE | EV_MOUSE_WHEEL | EV_DOWN
 };
 
 struct InputEvent {
     int type;
     Point mousePos;
+    Point mouseMoved;
     char keychar;
     uchar keycode;
     bool ctrl;

src/framework/platform/win32platform.cpp

@@ -589,7 +589,9 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
     case WM_MOUSEMOVE:
         {
             inputEvent.type = EV_MOUSE_MOVE;
-            inputEvent.mousePos = Point(LOWORD(lParam), HIWORD(lParam));
+            Point newMousePos(LOWORD(lParam), HIWORD(lParam));
+            inputEvent.mouseMoved = newMousePos - inputEvent.mousePos;
+            inputEvent.mousePos = newMousePos;
             g_engine.onInputEvent(inputEvent);
             break;
         }

src/framework/platform/x11platform.cpp

@@ -390,10 +390,14 @@ void Platform::poll()
                 break;
 
             case MotionNotify:
+            {
                 inputEvent.type = EV_MOUSE_MOVE;
-                inputEvent.mousePos = Point(event.xbutton.x, event.xbutton.y);
+                Point newMousePos(event.xbutton.x, event.xbutton.y);
+                inputEvent.mouseMoved = newMousePos - inputEvent.mousePos;
+                inputEvent.mousePos = newMousePos;
                 g_engine.onInputEvent(inputEvent);
                 break;
+            }
 
             case MapNotify:
                 x11.visible = true;

src/framework/ui/uicontainer.cpp

@@ -105,24 +105,22 @@ void UIContainer::onInputEvent(const InputEvent& event)
         // events should pass only when element is visible and enabled
         if(child->isEnabled() && child->isVisible()) {
             if(event.type & EV_KEYBOARD) {
-                // keyboard events only go to focused elements
-                if(child == getFocusedElement()) {
+                // keyboard events only go to focused elements or containers
+                if(child->asUIContainer() || child == getFocusedElement()) {
                     shouldFire = true;
                 }
             // mouse events
             } else if(event.type & EV_MOUSE) {
-                // mouse down and wheel events only go to elements that contains the mouse position
-                if(event.type & EV_DOWN || event.type & EV_MOUSE_WHEEL) {
+                // mouse down and wheel events only go to elements that contains the mouse position and are not containers
+                if((event.type & EV_DOWN || event.type & EV_MOUSE_WHEEL) && !child->asUIContainer()) {
                     if(child->getRect().contains(event.mousePos)) {
                         // focus it
-                        if(event.type == EV_MOUSE_LDOWN)
+                        if(event.type == EV_MOUSE_LDOWN && child->isFocusable())
                             setFocusedElement(child);
                         shouldFire = true;
                     }
-                }
-                // mouse move and mouse up events go to all elements
-                else {
-                    shouldFire = false;
+                } else {
+                    shouldFire = true;
                 }
             }
         }

src/framework/ui/uielement.cpp

@@ -77,3 +77,24 @@ UIElementPtr UIElement::backwardsGetElementById(const std::string& id)
         element = getParent()->backwardsGetElementById(id);
     return element;
 }
+
+void UIElement::moveTo(Point pos)
+{
+    Rect newRect = getRect();
+    newRect.moveTo(pos);
+
+    // bound newRect to parent rect
+    UIContainerPtr parent = getParent();
+    if(parent) {
+        Rect parentRect = parent->getRect();
+        if(newRect.left() < parentRect.left())
+            newRect.moveLeft(parentRect.left());
+        if(newRect.top() < parentRect.top())
+            newRect.moveTop(parentRect.top());
+        if(newRect.bottom() > parentRect.bottom())
+            newRect.moveBottom(parentRect.bottom());
+        if(newRect.right() > parentRect.right())
+            newRect.moveRight(parentRect.right());
+    }
+    setRect(newRect);
+}

src/framework/ui/uielement.h

@@ -52,6 +52,8 @@ public:
 
     UIElementPtr backwardsGetElementById(const std::string& id);
 
+    void moveTo(Point pos);
+
     bool setSkin(const std::string& skinName);
     void setSkin(UIElementSkin *skin);
     UIElementSkin *getSkin() { return m_skin; }
@@ -71,6 +73,7 @@ public:
     void setVisible(bool visible) { m_visible = visible; }
     bool isVisible() const { return m_visible; }
 
+    virtual bool isFocusable() const { return false; }
     UI::EElementType getElementType() const { return m_type; }
 
     UIElementPtr asUIElement() { return boost::static_pointer_cast<UIElement>(shared_from_this()); }

src/framework/ui/uilayout.cpp

@@ -66,7 +66,7 @@ void UILayout::setRect(const Rect& rect)
     m_rect = rect;
 
     // rect updated, recalculate itself and anchored elements positions
-    recalculateLayout();
+    recalculateAnchoredLayout();
 }
 
 bool UILayout::addAnchor(EAnchorType type, const AnchorLine& anchorLine)
@@ -141,14 +141,19 @@ void UILayout::recalculateLayout()
         }
     }
 
+    recalculateAnchoredLayout();
+
+    // fire layout update event
+    onLayoutRectChange(m_rect);
+}
+
+void UILayout::recalculateAnchoredLayout()
+{
     // recalculate anchored elements positions
     for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
         UILayoutPtr element = (*it).lock();
         if(element)
             element->recalculateLayout();
     }
-
-    // fire layotu update event
-    onLayoutRectChange(m_rect);
 }
 

src/framework/ui/uilayout.h

@@ -114,6 +114,8 @@ protected:
 private:
     /// Recalculate itself and anchored elements positions
     void recalculateLayout();
+    /// Recalculate anchored elements positions
+    void recalculateAnchoredLayout();
     void addAnchoredElement(UILayoutPtr anchoredElement);
 
     AnchorLine m_anchors[6];

src/framework/ui/uitextedit.cpp

@@ -45,6 +45,10 @@ void UITextEdit::onInputEvent(const InputEvent& event)
             m_textArea.moveCursor(true);
         else if(event.keycode == KC_LEFT)
             m_textArea.moveCursor(false);
+        else if(event.keycode == KC_HOME)
+            m_textArea.setCursorPos(0);
+        else if(event.keycode == KC_END)
+            m_textArea.setCursorPos(m_textArea.getText().length());
     } else if(event.type == EV_MOUSE_LDOWN) {
 
     } else if(event.type == EV_MOUSE_LUP && getRect().contains(event.mousePos)) {

src/framework/ui/uitextedit.h

@@ -37,13 +37,14 @@ public:
     UITextEdit();
 
     void onInputEvent(const InputEvent& event);
+    void onLayoutRectChange(const Rect& rect);
+    void onFocusChange();
 
     void setText(const std::string& text);
     const std::string& getText() const { return m_textArea.getText(); }
     TextArea& getTextArea() { return m_textArea; }
 
-    void onLayoutRectChange(const Rect& rect);
-    void onFocusChange();
+    bool isFocusable() const { return true; }
 
 private:
     TextArea m_textArea;

src/framework/ui/uiwindow.cpp

@@ -23,3 +23,25 @@
 
 
 #include "uiwindow.h"
+#include "uiwindowskin.h"
+
+void UIWindow::onInputEvent(const InputEvent& event)
+{
+    UIContainer::onInputEvent(event);
+    if(event.type == EV_MOUSE_LDOWN) {
+        UIWindowSkin *skin = static_cast<UIWindowSkin*>(getSkin());
+        Rect headRect = getRect();
+        headRect.setHeight(skin->getHeadHeight());
+        if(headRect.contains(event.mousePos)) {
+            m_moving = true;
+        }
+    } else if(event.type == EV_MOUSE_LUP) {
+        if(m_moving) {
+            m_moving = false;
+        }
+    } else if(event.type == EV_MOUSE_MOVE) {
+        if(m_moving) {
+            moveTo(getRect().topLeft() + event.mouseMoved);
+        }
+    }
+}

src/framework/ui/uiwindow.h

@@ -32,13 +32,17 @@ class UIWindow : public UIContainer
 {
 public:
     UIWindow() :
-        UIContainer(UI::Window) { }
+        UIContainer(UI::Window),
+        m_moving(false) { }
+
+    void onInputEvent(const InputEvent& event);
 
     void setTitle(const std::string& title) { m_title = title; }
     const std::string& getTitle() const { return m_title; }
 
 private:
     std::string m_title;
+    bool m_moving;
 };
 
 typedef boost::shared_ptr<UIWindow> UIWindowPtr;

src/framework/ui/uiwindowskin.h

@@ -38,6 +38,8 @@ public:
     void load(const YAML::Node& node);
     void draw(UIElement *element);
 
+    int getHeadHeight() const { return m_headHeight; }
+
 private:
     ImagePtr m_headImage;
     ImagePtr m_bodyImage;