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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.
*/
#ifndef GUICHATCONSOLE_HEADER
#define GUICHATCONSOLE_HEADER
#include "irrlichttypes_extrabloated.h"
#include "chat.h"
class Client;
class GUIChatConsole : public gui::IGUIElement
{
public:
GUIChatConsole(gui::IGUIEnvironment* env,
gui::IGUIElement* parent,
s32 id,
ChatBackend* backend,
Client* client);
virtual ~GUIChatConsole();
// Open the console (height = desired fraction of screen size)
// This doesn't open immediately but initiates an animation.
// You should call isOpenInhibited() before this.
void openConsole(f32 height);
// Check if the console should not be opened at the moment
// This is to avoid reopening the console immediately after closing
bool isOpenInhibited() const;
// Close the console, equivalent to openConsole(0).
// This doesn't close immediately but initiates an animation.
void closeConsole();
// Close the console immediately, without animation.
void closeConsoleAtOnce();
// Return the desired height (fraction of screen size)
// Zero if the console is closed or getting closed
f32 getDesiredHeight() const;
// Change how the cursor looks
void setCursor(
bool visible,
bool blinking = false,
f32 blink_speed = 1.0,
f32 relative_height = 1.0);
// Irrlicht draw method
virtual void draw();
bool canTakeFocus(gui::IGUIElement* element) { return false; }
virtual bool OnEvent(const SEvent& event);
private:
void reformatConsole();
void recalculateConsolePosition();
// These methods are called by draw
void animate(u32 msec);
void drawBackground();
void drawText();
void drawPrompt();
private:
// pointer to the chat backend
ChatBackend* m_chat_backend;
// pointer to the client
Client* m_client;
// current screen size
v2u32 m_screensize;
// used to compute how much time passed since last animate()
u32 m_animate_time_old;
// should the console be opened or closed?
bool m_open;
// current console height [pixels]
s32 m_height;
// desired height [pixels]
f32 m_desired_height;
// desired height [screen height fraction]
f32 m_desired_height_fraction;
// console open/close animation speed [screen height fraction / second]
f32 m_height_speed;
// if nonzero, opening the console is inhibited [milliseconds]
u32 m_open_inhibited;
// cursor blink frame (16-bit value)
// cursor is off during [0,32767] and on during [32768,65535]
u32 m_cursor_blink;
// cursor blink speed [on/off toggles / second]
f32 m_cursor_blink_speed;
// cursor height [line height]
f32 m_cursor_height;
// background texture
video::ITexture* m_background;
// background color (including alpha)
video::SColor m_background_color;
// font
gui::IGUIFont* m_font;
v2u32 m_fontsize;
};
#endif
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