73817a99d5
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1806 178a84e3-b1eb-0310-8ba1-8eac791a3b58
221 lines
7.0 KiB
C++
221 lines
7.0 KiB
C++
//
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// SuperTuxKart - a fun racing game with go-kart
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// This code originally from Neverball copyright (C) 2003 Robert Kooima
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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/* This file should only be used directly by the widget manager. Also, all
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* the coordinates in the widget.* and widget_manager.* are based on OpenGL,
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* which means that the 0 in the Y-axis is in the bottom, not the top.
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*/
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#ifndef HEADER_WIDGET_H
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#define HEADER_WIDGET_H
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// This include strings causes very many warning in the gui subdir:
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// xlocnum(590) : warning C4312: 'type cast' : conversion from 'uintptr_t' to 'void *' of greater size
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// These can apparently be removed by removing 64 bit compatibility warnings, or
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// just disable the warning during the include:
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#if defined(WIN32) && !defined(__CYGWIN__)
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# pragma warning(disable:4312)
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#endif
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#include <string>
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#if defined(WIN32) && !defined(__CYGWIN__)
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# pragma warning(default:4312)
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#endif
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#include "gui/font.hpp"
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#ifdef __APPLE__
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# include <OpenGL/gl.h>
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#else
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# ifdef WIN32
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# endif
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# include <GL/gl.h>
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#endif
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enum WidgetFontSize { WGT_FNT_SML = 18, WGT_FNT_MED = 24, WGT_FNT_LRG = 30};
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enum WidgetArea //One of the uses of this, is for rounded corners
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{
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WGT_AREA_NONE = 0,
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WGT_AREA_NW = 1, WGT_AREA_SW = 2, WGT_AREA_NE = 4, WGT_AREA_SE = 8,
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WGT_AREA_LFT = (WGT_AREA_NW | WGT_AREA_SW),
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WGT_AREA_RGT = (WGT_AREA_NE | WGT_AREA_SE),
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WGT_AREA_TOP = (WGT_AREA_NW | WGT_AREA_NE),
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WGT_AREA_BOT = (WGT_AREA_SW | WGT_AREA_SE),
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WGT_AREA_ALL = (WGT_AREA_TOP | WGT_AREA_BOT)
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};
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enum WidgetFont
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{
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WGT_FONT_GUI,
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WGT_FONT_RACE
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};
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//The lowest scroll values here must be bigger than
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//Widget::MAX_SCROLL or lower than -Widget::MAX_SCROLL
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enum WidgetScrollPos
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{
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//For the X axis
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WGT_SCROLL_START_LEFT = 2000001,
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WGT_SCROLL_START_RIGHT = 2000002,
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WGT_SCROLL_END_LEFT = -2000001,
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WGT_SCROLL_END_RIGHT = -2000002,
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//For the Y axis
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WGT_SCROLL_START_TOP = 1000001,
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WGT_SCROLL_START_BOTTOM = 1000002,
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WGT_SCROLL_END_TOP = -1000001,
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WGT_SCROLL_END_BOTTOM = -1000002,
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//Works for both axis
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WGT_SCROLL_CENTER = 3000000
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};
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//I suggest that you do not use the white or light colors for the rects in
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//most cases, because they don't have lighter versions that can be used to
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//highlight those rects and then revert them, for example, when you select a
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//widget. For textures, you should use WGT_WHITE usually, thought you can get
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//nice effects by using other colors.
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extern const GLfloat WGT_WHITE [4];
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extern const GLfloat WGT_GRAY [4];
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extern const GLfloat WGT_BLACK [4];
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extern const GLfloat WGT_YELLOW [4];
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extern const GLfloat WGT_RED [4];
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extern const GLfloat WGT_GREEN [4];
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extern const GLfloat WGT_BLUE [4];
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extern const GLfloat WGT_TRANS_WHITE [4];
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extern const GLfloat WGT_TRANS_GRAY [4];
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extern const GLfloat WGT_TRANS_BLACK [4];
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extern const GLfloat WGT_TRANS_YELLOW [4];
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extern const GLfloat WGT_TRANS_RED [4];
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extern const GLfloat WGT_TRANS_GREEN [4];
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extern const GLfloat WGT_TRANS_BLUE [4];
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extern const GLfloat WGT_LIGHT_GRAY [4];
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extern const GLfloat WGT_LIGHT_BLACK [4];
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extern const GLfloat WGT_LIGHT_YELLOW [4];
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extern const GLfloat WGT_LIGHT_RED [4];
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extern const GLfloat WGT_LIGHT_GREEN [4];
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extern const GLfloat WGT_LIGHT_BLUE [4];
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extern const GLfloat WGT_LIGHT_TRANS_GRAY [4];
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extern const GLfloat WGT_LIGHT_TRANS_BLACK [4];
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extern const GLfloat WGT_LIGHT_TRANS_YELLOW [4];
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extern const GLfloat WGT_LIGHT_TRANS_RED [4];
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extern const GLfloat WGT_LIGHT_TRANS_GREEN [4];
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extern const GLfloat WGT_LIGHT_TRANS_BLUE [4];
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extern const GLfloat WGT_TRANSPARENT [4];
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class Widget
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{
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//The only class that can access the Widget class is WidgetManager;
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//they are meant to always be used together, and the widgets should only
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//be used through the WidgetManager class.
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friend class WidgetManager;
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/* Basic widget properties that will always be used. */
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int m_x, m_y;
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int m_width, m_height;
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int m_radius;
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/* Low level features. They are off by default. */
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bool m_enable_rect;
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GLuint m_rect_list; //A display list number that draws the rectangle with
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//possibly rounded corners.
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const GLfloat *m_rect_color; //This const cannot change the value it points to, but it
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//can change where it points to.
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WidgetArea m_round_corners;
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bool m_enable_border;
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GLuint m_border_list; //Display list for the border
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float m_border_percentage;
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const GLfloat *m_border_color;
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bool m_enable_texture;
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GLuint m_texture;
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bool m_enable_text;
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std::string m_text;
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WidgetFontSize m_text_size;
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Font *m_font;
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const GLfloat *m_text_color;
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//TODO: This variable exists only to go around a bug; should be removed
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//after better restructuration.
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WidgetFont m_curr_widget_font;
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static const int MAX_SCROLL;
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bool m_enable_scroll;
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float m_scroll_pos_x;
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float m_scroll_pos_y;
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int m_scroll_speed_x;
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int m_scroll_speed_y;
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bool m_enable_rotation;
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float m_rotation_angle;
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int m_rotation_speed;
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//The widget calls the Track::drawScaled2D() function to draw a given
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//track, and m_track_num tells which track to draw.
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int m_enable_track;
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int m_track_num;
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/* High level, pattern following features; they deactivate themselves
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* after they follow their pattern, and might use low level features.*/
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static const float MAX_TEXT_SCALE;
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static const float MIN_TEXT_SCALE;
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float m_text_scale; //Used for the pulse effect
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Widget
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(
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const int X_,
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const int Y_,
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const int WIDTH_,
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const int HEIGHT_
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);
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~Widget();
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void update(const float DELTA);
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/* Time limited features' functions. */
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void pulse() {m_text_scale = MAX_TEXT_SCALE;}
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/* Convenience functions. */
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void resizeToText(); //This checks if the widget is smaller than the
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//text, and if so, changes the width and height.
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void lightenColor();
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void darkenColor();
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void setFont( const WidgetFont FONT );
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void setTexture( const char* FILENAME );
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/* Functions created simply to organize the code */
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bool createRect();
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void updateVariables( const float DELTA );
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void draw();
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void applyTransformations();
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};
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#endif
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/* EOF */
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