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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/table.h
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/table.h')
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diff --git a/src/gui/widgets/table.h b/src/gui/widgets/table.h
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+/*
+ * The Mana Client
+ * Copyright (C) 2008-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TABLE_H
+#define TABLE_H
+
+#include "tablemodel.h"
+
+#include <guichan/keylistener.hpp>
+#include <guichan/mouselistener.hpp>
+#include <guichan/widget.hpp>
+
+#include <vector>
+
+#ifdef __GNUC__
+#define _UNUSED_ __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+class GuiTableActionListener;
+
+/**
+ * A table, with rows and columns made out of sub-widgets. Largely inspired by
+ * (and can be thought of as a generalisation of) the guichan listbox
+ * implementation.
+ *
+ * Normally you want this within a ScrollArea.
+ *
+ * \ingroup GUI
+ */
+class GuiTable : public gcn::Widget,
+ public gcn::MouseListener,
+ public gcn::KeyListener,
+ public TableModelListener
+{
+ // so that the action listener can call distributeActionEvent
+ friend class GuiTableActionListener;
+
+public:
+ GuiTable(TableModel * initial_model = NULL,
+ gcn::Color background = 0xffffff,
+ bool opacity = true);
+
+ virtual ~GuiTable();
+
+ /**
+ * Retrieves the active table model
+ */
+ TableModel *getModel() const;
+
+ /**
+ * Sets the table model
+ *
+ * Note that actions issued by widgets returned from the model will update
+ * the table selection, but only AFTER any event handlers installed within
+ * the widget have been triggered. To be notified after such an update, add
+ * an action listener to the table instead.
+ */
+ void setModel(TableModel *m);
+
+ void setSelected(int row, int column);
+
+ int getSelectedRow() const;
+
+ int getSelectedColumn() const;
+
+ void setSelectedRow(int selected);
+
+ void setSelectedColumn(int selected);
+
+ bool isWrappingEnabled() const
+ { return mWrappingEnabled; }
+
+ void setWrappingEnabled(bool wrappingEnabled)
+ { mWrappingEnabled = wrappingEnabled; }
+
+ gcn::Rectangle getChildrenArea() const;
+
+ /**
+ * Toggle whether to use linewise selection mode, in which the table selects
+ * an entire line at a time, rather than a single cell.
+ *
+ * Note that column information is tracked even in linewise selection mode;
+ * this mode therefore only affects visualisation.
+ *
+ * Disabled by default.
+ *
+ * \param linewise: Whether to enable linewise selection mode
+ */
+ void setLinewiseSelection(bool linewise);
+
+ // Inherited from Widget
+ virtual void draw(gcn::Graphics* graphics);
+
+ virtual gcn::Widget *getWidgetAt(int x, int y) const;
+
+ virtual void moveToTop(gcn::Widget *child);
+
+ virtual void moveToBottom(gcn::Widget *child);
+
+ virtual void _setFocusHandler(gcn::FocusHandler* focusHandler);
+
+ // Inherited from KeyListener
+ virtual void keyPressed(gcn::KeyEvent& keyEvent);
+
+ /**
+ * Sets the table to be opaque, that is sets the table
+ * to display its background.
+ *
+ * @param opaque True if the table should be opaque, false otherwise.
+ */
+ virtual void setOpaque(bool opaque)
+ { mOpaque = opaque; }
+
+ /**
+ * Checks if the table is opaque, that is if the table area displays its
+ * background.
+ *
+ * @return True if the table is opaque, false otherwise.
+ */
+ virtual bool isOpaque() const
+ { return mOpaque; }
+
+ // Inherited from MouseListener
+ virtual void mousePressed(gcn::MouseEvent& mouseEvent);
+
+ virtual void mouseWheelMovedUp(gcn::MouseEvent& mouseEvent);
+
+ virtual void mouseWheelMovedDown(gcn::MouseEvent& mouseEvent);
+
+ virtual void mouseDragged(gcn::MouseEvent& mouseEvent);
+
+ // Constraints inherited from TableModelListener
+ virtual void modelUpdated(bool);
+
+protected:
+ /** Frees all action listeners on inner widgets. */
+ virtual void uninstallActionListeners();
+ /** Installs all action listeners on inner widgets. */
+ virtual void installActionListeners();
+
+ virtual int getRowHeight() const;
+ virtual int getColumnWidth(int i) const;
+
+private:
+ int getRowForY(int y) const; // -1 on error
+ int getColumnForX(int x) const; // -1 on error
+ void recomputeDimensions();
+ bool mLinewiseMode;
+ bool mWrappingEnabled;
+ bool mOpaque;
+
+ static float mAlpha;
+
+ /**
+ * Holds the background color of the table.
+ */
+ gcn::Color mBackgroundColor;
+
+ TableModel *mModel;
+
+ int mSelectedRow;
+ int mSelectedColumn;
+
+ /** Number of frames to skip upwards when drawing the selected widget. */
+ int mPopFramesNr;
+
+ /** If someone moves a fresh widget to the top, we must display it. */
+ gcn::Widget *mTopWidget;
+
+ /** Vector for compactness; used as a list in practice. */
+ std::vector<GuiTableActionListener *> mActionListeners;
+};
+
+
+#endif // TABLE_H