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248 lines
10 KiB
248 lines
10 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef UIWIDGET_H
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#define UIWIDGET_H
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#include "declarations.h"
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#include <framework/luascript/luaobject.h>
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#include <framework/graphics/declarations.h>
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#include <framework/otml/otmlnode.h>
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#include <framework/graphics/font.h>
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class UIWidget : public LuaObject
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{
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public:
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UIWidget();
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virtual ~UIWidget() { }
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template<class T>
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static std::shared_ptr<T> create() { auto t = std::shared_ptr<T>(new T); return t; }
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void destroy();
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protected:
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virtual void render();
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virtual void renderSelf();
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virtual void renderChildren();
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friend class UIManager;
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void drawBackground(const Rect& screenCoords);
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void drawBorder(const Rect& screenCoords);
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void drawImage(const Rect& screenCoords);
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void drawIcon(const Rect& screenCoords);
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void drawText(const Rect& screenCoords);
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public:
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void setVisible(bool visible);
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void setEnabled(bool enabled);
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void setPressed(bool pressed) { m_pressed = pressed; updateState(Fw::PressedState); }
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void setId(const std::string& id) { m_id = id; }
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void setFocusable(bool focusable);
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void setPhantom(bool phantom) { m_phantom = phantom; }
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void setStyle(const std::string& styleName);
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void setStyleFromNode(const OTMLNodePtr& styleNode);
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void setLayout(const UILayoutPtr& layout) { m_layout = layout; }
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void setParent(const UIWidgetPtr& parent);
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void setRect(const Rect& rect);
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void setX(int x) { moveTo(Point(x, getY())); }
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void setY(int y) { moveTo(Point(getX(), y)); }
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void setWidth(int width) { resize(Size(width, getHeight())); }
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void setHeight(int height) { resize(Size(getWidth(), height)); }
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void setImage(const ImagePtr& image) { m_image = image; }
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void setIcon(const std::string& iconFile);
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void setOpacity(int opacity) { m_opacity = opacity; }
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void setBackgroundColor(const Color& color) { m_backgroundColor = color; }
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void setForegroundColor(const Color& color) { m_foregroundColor = color; }
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void setMarginTop(int margin) { m_marginTop = margin; updateParentLayout(); }
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void setMarginRight(int margin) { m_marginRight = margin; updateParentLayout(); }
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void setMarginBottom(int margin) { m_marginBottom = margin; updateParentLayout(); }
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void setMarginLeft(int margin) { m_marginLeft = margin; updateParentLayout(); }
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void setText(const std::string& text);
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void setTextAlign(Fw::AlignmentFlag align) { m_textAlign = align; }
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void setTextOffset(const Point& offset) { m_textOffset = offset; }
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void setFont(const std::string& fontName);
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void setSizeFixed(bool fixed) { m_fixedSize = fixed; updateParentLayout(); }
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void setLastFocusReason(Fw::FocusReason reason) { m_lastFocusReason = reason; }
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void bindRectToParent();
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void resize(const Size& size) { setRect(Rect(getPos(), size)); }
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void resizeToText() { resize(getTextSize()); }
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void moveTo(const Point& pos) { setRect(Rect(pos, getSize())); }
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void hide() { setVisible(false); }
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void show() { setVisible(true); }
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void disable() { setEnabled(false); }
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void enable() { setEnabled(true); }
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void lock();
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void unlock();
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void focus();
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void grabMouse();
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void ungrabMouse();
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void grabKeyboard();
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void ungrabKeyboard();
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void clearText() { setText(""); }
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bool isActive() { return hasState(Fw::ActiveState); }
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bool isEnabled() { return !hasState(Fw::DisabledState); }
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bool isDisabled() { return hasState(Fw::DisabledState); }
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bool isFocused() { return hasState(Fw::FocusState); }
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bool isHovered() { return hasState(Fw::HoverState); }
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bool isPressed() { return hasState(Fw::PressedState); }
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bool isFirst() { return hasState(Fw::FirstState); }
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bool isMiddle() { return hasState(Fw::MiddleState); }
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bool isLast() { return hasState(Fw::LastState); }
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bool isAlternate() { return hasState(Fw::AlternateState); }
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bool isVisible();
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bool isHidden() { return !isVisible(); }
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bool isExplicitlyEnabled() { return m_enabled; }
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bool isExplicitlyVisible() { return m_visible; }
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bool isFocusable() { return m_focusable; }
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bool isPhantom() { return m_phantom; }
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bool isSizeFixed() { return m_fixedSize; }
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bool containsPoint(const Point& point) { return m_rect.contains(point); }
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bool hasChildren() { return m_children.size() > 0; }
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bool hasChild(const UIWidgetPtr& child);
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std::string getId() { return m_id; }
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int getChildCount() { return m_children.size(); }
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UILayoutPtr getLayout() { return m_layout; }
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UIWidgetPtr getParent() { return m_parent.lock(); }
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UIWidgetPtr getRootParent();
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Point getPos() { return m_rect.topLeft(); }
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Size getSize() { return m_rect.size(); }
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Rect getRect() { return m_rect; }
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int getX() { return m_rect.x(); }
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int getY() { return m_rect.y(); }
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int getWidth() { return m_rect.width(); }
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int getHeight() { return m_rect.height(); }
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Color getForegroundColor() { return m_foregroundColor; }
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Color getBackgroundColor() { return m_backgroundColor; }
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int getOpacity() { return m_opacity; }
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int getMarginTop() { return m_marginTop; }
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int getMarginRight() { return m_marginRight; }
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int getMarginBottom() { return m_marginBottom; }
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int getMarginLeft() { return m_marginLeft; }
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std::string getText() { return m_text; }
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Fw::AlignmentFlag getTextAlign() { return m_textAlign; }
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Point getTextOffset() { return m_textOffset; }
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std::string getFont() { return m_font->getName(); }
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Size getTextSize() { return m_font->calculateTextRectSize(m_text); }
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Fw::FocusReason getLastFocusReason() { return m_lastFocusReason; }
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OTMLNodePtr getStyle() { return m_style; }
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std::string getStyleName() { return m_style->tag(); }
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UIWidgetList getChildren() { return m_children; }
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UIWidgetPtr getFocusedChild() { return m_focusedChild; }
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UIWidgetPtr getChildAfter(const UIWidgetPtr& relativeChild);
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UIWidgetPtr getChildBefore(const UIWidgetPtr& relativeChild);
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UIWidgetPtr getChildById(const std::string& childId);
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UIWidgetPtr getChildByPos(const Point& childPos);
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UIWidgetPtr getChildByIndex(int index);
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UIWidgetPtr getFirstChild() { return getChildByIndex(1); }
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UIWidgetPtr getLastChild() { return getChildByIndex(-1); }
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UIWidgetPtr recursiveGetChildById(const std::string& id);
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UIWidgetPtr recursiveGetChildByPos(const Point& childPos);
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UIWidgetPtr backwardsGetWidgetById(const std::string& id);
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void addChild(const UIWidgetPtr& child);
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void insertChild(int index, const UIWidgetPtr& child);
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void removeChild(const UIWidgetPtr& child);
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void focusChild(const UIWidgetPtr& child, Fw::FocusReason reason);
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void focusNextChild(Fw::FocusReason reason);
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void focusPreviousChild(Fw::FocusReason reason);
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void moveChildToTop(const UIWidgetPtr& child);
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void moveChildToIndex(const UIWidgetPtr& child, int index);
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void lockChild(const UIWidgetPtr& child);
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void unlockChild(const UIWidgetPtr& child);
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bool isChildLocked(const UIWidgetPtr& child);
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int getChildIndex(const UIWidgetPtr& child);
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void updateParentLayout();
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void updateLayout();
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void applyStyle(const OTMLNodePtr& styleNode);
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UIWidgetPtr asUIWidget() { return std::static_pointer_cast<UIWidget>(shared_from_this()); }
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protected:
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bool setState(Fw::WidgetState state, bool on);
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bool hasState(Fw::WidgetState state);
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private:
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void updateState(Fw::WidgetState state);
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void updateStates();
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void updateChildrenIndexStates();
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void updateStyle();
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protected:
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virtual void onStyleApply(const std::string& styleName, const OTMLNodePtr& styleNode);
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virtual void onGeometryUpdate(const Rect& oldRect, const Rect& newRect);
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virtual void onFocusChange(bool focused, Fw::FocusReason reason);
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virtual void onHoverChange(bool hovered);
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virtual void onTextChange(const std::string& text);
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virtual void onFontChange(const std::string& font);
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virtual bool onKeyPress(uchar keyCode, std::string keyText, int keyboardModifiers);
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virtual bool onKeyRelease(uchar keyCode, std::string keyText, int keyboardModifiers);
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virtual bool onMousePress(const Point& mousePos, Fw::MouseButton button);
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virtual void onMouseRelease(const Point& mousePos, Fw::MouseButton button);
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virtual bool onMouseMove(const Point& mousePos, const Point& mouseMoved);
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virtual bool onMouseWheel(const Point& mousePos, Fw::MouseWheelDirection direction);
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protected:
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std::string m_id;
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Fw::FocusReason m_lastFocusReason;
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Boolean<true> m_enabled;
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Boolean<true> m_visible;
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Boolean<true> m_focusable;
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Boolean<false> m_fixedSize;
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Boolean<false> m_pressed;
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Boolean<false> m_phantom;
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Boolean<false> m_updateEventScheduled;
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Boolean<true> m_firstOnStyle;
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Rect m_rect;
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UILayoutPtr m_layout;
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UIWidgetWeakPtr m_parent;
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UIWidgetList m_children;
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UIWidgetList m_lockedChildren;
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UIWidgetPtr m_focusedChild;
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OTMLNodePtr m_style;
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OTMLNodePtr m_stateStyle;
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ImagePtr m_image;
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TexturePtr m_icon;
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FontPtr m_font;
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Color m_backgroundColor;
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Color m_foregroundColor;
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int m_states;
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int m_opacity;
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int m_marginTop;
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int m_marginRight;
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int m_marginBottom;
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int m_marginLeft;
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std::string m_text;
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Point m_textOffset;
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Fw::AlignmentFlag m_textAlign;
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};
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#endif
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