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authorVitaliy <silverunicorn2011@yandex.ru>2017-11-09 01:56:20 +0300
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-11-08 23:56:20 +0100
commit20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch)
tree67378802190117d8271b3b6d489a92bcb16203b7 /src/guiTable.h
parentfc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff)
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Move files to subdirectories (#6599)
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-/*
-Minetest
-Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) 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 Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#pragma once
-
-#include <map>
-#include <set>
-#include <string>
-#include <vector>
-#include <iostream>
-
-#include "irrlichttypes_extrabloated.h"
-
-class ISimpleTextureSource;
-
-/*
- A table GUI element for GUIFormSpecMenu.
-
- Sends a EGET_TABLE_CHANGED event to the parent when
- an item is selected or double-clicked.
- Call checkEvent() to get info.
-
- Credits: The interface and implementation of this class are (very)
- loosely based on the Irrlicht classes CGUITable and CGUIListBox.
- CGUITable and CGUIListBox are licensed under the Irrlicht license;
- they are Copyright (C) 2002-2012 Nikolaus Gebhardt
-*/
-class GUITable : public gui::IGUIElement
-{
-public:
- /*
- Stores dynamic data that should be preserved
- when updating a formspec
- */
- struct DynamicData
- {
- s32 selected = 0;
- s32 scrollpos = 0;
- s32 keynav_time = 0;
- core::stringw keynav_buffer;
- std::set<s32> opened_trees;
- };
-
- /*
- An option of the form <name>=<value>
- */
- struct Option
- {
- std::string name;
- std::string value;
-
- Option(const std::string &name_, const std::string &value_) :
- name(name_),
- value(value_)
- {}
- };
-
- /*
- A list of options that concern the entire table
- */
- typedef std::vector<Option> TableOptions;
-
- /*
- A column with options
- */
- struct TableColumn
- {
- std::string type;
- std::vector<Option> options;
- };
- typedef std::vector<TableColumn> TableColumns;
-
-
- GUITable(gui::IGUIEnvironment *env,
- gui::IGUIElement *parent, s32 id,
- core::rect<s32> rectangle,
- ISimpleTextureSource *tsrc);
-
- virtual ~GUITable();
-
- /* Split a string of the form "name=value" into name and value */
- static Option splitOption(const std::string &str);
-
- /* Set textlist-like options, columns and data */
- void setTextList(const std::vector<std::string> &content,
- bool transparent);
-
- /* Set generic table options, columns and content */
- // Adds empty strings to end of content if there is an incomplete row
- void setTable(const TableOptions &options,
- const TableColumns &columns,
- std::vector<std::string> &content);
-
- /* Clear the table */
- void clear();
-
- /* Get info about last event (string such as "CHG:1:2") */
- // Call this after EGET_TABLE_CHANGED
- std::string checkEvent();
-
- /* Get index of currently selected row (first=1; 0 if none selected) */
- s32 getSelected() const;
-
- /* Set currently selected row (first=1; 0 if none selected) */
- // If given index is not visible at the moment, select its parent
- // Autoscroll to make the selected row fully visible
- void setSelected(s32 index);
-
- /* Get selection, scroll position and opened (sub)trees */
- DynamicData getDynamicData() const;
-
- /* Set selection, scroll position and opened (sub)trees */
- void setDynamicData(const DynamicData &dyndata);
-
- /* Returns "GUITable" */
- virtual const c8* getTypeName() const;
-
- /* Must be called when position or size changes */
- virtual void updateAbsolutePosition();
-
- /* Irrlicht draw method */
- virtual void draw();
-
- /* Irrlicht event handler */
- virtual bool OnEvent(const SEvent &event);
-
-protected:
- enum ColumnType {
- COLUMN_TYPE_TEXT,
- COLUMN_TYPE_IMAGE,
- COLUMN_TYPE_COLOR,
- COLUMN_TYPE_INDENT,
- COLUMN_TYPE_TREE,
- };
-
- struct Cell {
- s32 xmin;
- s32 xmax;
- s32 xpos;
- ColumnType content_type;
- s32 content_index;
- s32 tooltip_index;
- video::SColor color;
- bool color_defined;
- s32 reported_column;
- };
-
- struct Row {
- Cell *cells;
- s32 cellcount;
- s32 indent;
- // visible_index >= 0: is index of row in m_visible_rows
- // visible_index == -1: parent open but other ancestor closed
- // visible_index == -2: parent closed
- s32 visible_index;
- };
-
- // Texture source
- ISimpleTextureSource *m_tsrc;
-
- // Table content (including hidden rows)
- std::vector<Row> m_rows;
- // Table content (only visible; indices into m_rows)
- std::vector<s32> m_visible_rows;
- bool m_is_textlist = false;
- bool m_has_tree_column = false;
-
- // Selection status
- s32 m_selected = -1; // index of row (1...n), or 0 if none selected
- s32 m_sel_column = 0;
- bool m_sel_doubleclick = false;
-
- // Keyboard navigation stuff
- u64 m_keynav_time = 0;
- core::stringw m_keynav_buffer = L"";
-
- // Drawing and geometry information
- bool m_border = true;
- video::SColor m_color = video::SColor(255, 255, 255, 255);
- video::SColor m_background = video::SColor(255, 0, 0, 0);
- video::SColor m_highlight = video::SColor(255, 70, 100, 50);
- video::SColor m_highlight_text = video::SColor(255, 255, 255, 255);
- s32 m_rowheight = 1;
- gui::IGUIFont *m_font = nullptr;
- gui::IGUIScrollBar *m_scrollbar = nullptr;
-
- // Allocated strings and images
- std::vector<core::stringw> m_strings;
- std::vector<video::ITexture*> m_images;
- std::map<std::string, s32> m_alloc_strings;
- std::map<std::string, s32> m_alloc_images;
-
- s32 allocString(const std::string &text);
- s32 allocImage(const std::string &imagename);
- void allocationComplete();
-
- // Helper for draw() that draws a single cell
- void drawCell(const Cell *cell, video::SColor color,
- const core::rect<s32> &rowrect,
- const core::rect<s32> &client_clip);
-
- // Returns the i-th visible row (NULL if i is invalid)
- const Row *getRow(s32 i) const;
-
- // Key navigation helper
- bool doesRowStartWith(const Row *row, const core::stringw &str) const;
-
- // Returns the row at a given screen Y coordinate
- // Returns index i such that m_rows[i] is valid (or -1 on error)
- s32 getRowAt(s32 y, bool &really_hovering) const;
-
- // Returns the cell at a given screen X coordinate within m_rows[row_i]
- // Returns index j such that m_rows[row_i].cells[j] is valid
- // (or -1 on error)
- s32 getCellAt(s32 x, s32 row_i) const;
-
- // Make the selected row fully visible
- void autoScroll();
-
- // Should be called when m_rowcount or m_rowheight changes
- void updateScrollBar();
-
- // Sends EET_GUI_EVENT / EGET_TABLE_CHANGED to parent
- void sendTableEvent(s32 column, bool doubleclick);
-
- // Functions that help deal with hidden rows
- // The following functions take raw row indices (hidden rows not skipped)
- void getOpenedTrees(std::set<s32> &opened_trees) const;
- void setOpenedTrees(const std::set<s32> &opened_trees);
- void openTree(s32 to_open);
- void closeTree(s32 to_close);
- // The following function takes a visible row index (hidden rows skipped)
- // dir: -1 = left (close), 0 = auto (toggle), 1 = right (open)
- void toggleVisibleTree(s32 row_i, int dir, bool move_selection);
-
- // Aligns cell content in column according to alignment specification
- // align = 0: left aligned, 1: centered, 2: right aligned, 3: inline
- static void alignContent(Cell *cell, s32 xmax, s32 content_width,
- s32 align);
-};