forked from Mirrorlandia_minetest/minetest
1dfd977ec4
The source used a hodge-podge of different combinations of different macros to check for linux: 'linux', '__linux', '__linux__'. As '__linux__' is standard (Posix), and the others are not, the source now uniformly uses __linux__. If either linux or __linux are defined, it is made sure that __linux__ is defined as well.
665 lines
16 KiB
C++
665 lines
16 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "guiChatConsole.h"
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#include "chat.h"
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#include "client.h"
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#include "debug.h"
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#include "gettime.h"
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#include "keycode.h"
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#include "settings.h"
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#include "porting.h"
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#include "client/tile.h"
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#include "fontengine.h"
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#include "log.h"
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#include "gettext.h"
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#include <string>
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#if USE_FREETYPE
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#include "xCGUITTFont.h"
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#endif
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inline u32 clamp_u8(s32 value)
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{
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return (u32) MYMIN(MYMAX(value, 0), 255);
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}
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GUIChatConsole::GUIChatConsole(
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gui::IGUIEnvironment* env,
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gui::IGUIElement* parent,
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s32 id,
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ChatBackend* backend,
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Client* client,
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IMenuManager* menumgr
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):
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IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
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core::rect<s32>(0,0,100,100)),
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m_chat_backend(backend),
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m_client(client),
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m_menumgr(menumgr),
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m_screensize(v2u32(0,0)),
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m_animate_time_old(0),
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m_open(false),
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m_close_on_enter(false),
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m_height(0),
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m_desired_height(0),
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m_desired_height_fraction(0.0),
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m_height_speed(5.0),
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m_open_inhibited(0),
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m_cursor_blink(0.0),
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m_cursor_blink_speed(0.0),
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m_cursor_height(0.0),
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m_background(NULL),
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m_background_color(255, 0, 0, 0),
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m_font(NULL),
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m_fontsize(0, 0)
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{
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m_animate_time_old = getTimeMs();
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// load background settings
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s32 console_alpha = g_settings->getS32("console_alpha");
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m_background_color.setAlpha(clamp_u8(console_alpha));
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// load the background texture depending on settings
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ITextureSource *tsrc = client->getTextureSource();
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if (tsrc->isKnownSourceImage("background_chat.jpg")) {
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m_background = tsrc->getTexture("background_chat.jpg");
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m_background_color.setRed(255);
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m_background_color.setGreen(255);
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m_background_color.setBlue(255);
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} else {
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v3f console_color = g_settings->getV3F("console_color");
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m_background_color.setRed(clamp_u8(myround(console_color.X)));
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m_background_color.setGreen(clamp_u8(myround(console_color.Y)));
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m_background_color.setBlue(clamp_u8(myround(console_color.Z)));
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}
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m_font = g_fontengine->getFont(FONT_SIZE_UNSPECIFIED, FM_Mono);
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if (m_font == NULL)
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{
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errorstream << "GUIChatConsole: Unable to load mono font ";
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}
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else
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{
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core::dimension2d<u32> dim = m_font->getDimension(L"M");
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m_fontsize = v2u32(dim.Width, dim.Height);
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m_font->grab();
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}
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m_fontsize.X = MYMAX(m_fontsize.X, 1);
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m_fontsize.Y = MYMAX(m_fontsize.Y, 1);
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// set default cursor options
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setCursor(true, true, 2.0, 0.1);
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}
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GUIChatConsole::~GUIChatConsole()
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{
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if (m_font)
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m_font->drop();
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}
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void GUIChatConsole::openConsole(f32 height)
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{
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m_open = true;
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m_desired_height_fraction = height;
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m_desired_height = height * m_screensize.Y;
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reformatConsole();
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m_animate_time_old = getTimeMs();
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IGUIElement::setVisible(true);
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Environment->setFocus(this);
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m_menumgr->createdMenu(this);
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}
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bool GUIChatConsole::isOpen() const
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{
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return m_open;
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}
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bool GUIChatConsole::isOpenInhibited() const
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{
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return m_open_inhibited > 0;
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}
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void GUIChatConsole::closeConsole()
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{
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m_open = false;
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Environment->removeFocus(this);
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m_menumgr->deletingMenu(this);
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}
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void GUIChatConsole::closeConsoleAtOnce()
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{
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closeConsole();
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m_height = 0;
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recalculateConsolePosition();
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}
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f32 GUIChatConsole::getDesiredHeight() const
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{
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return m_desired_height_fraction;
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}
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void GUIChatConsole::replaceAndAddToHistory(std::wstring line)
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{
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ChatPrompt& prompt = m_chat_backend->getPrompt();
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prompt.addToHistory(prompt.getLine());
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prompt.replace(line);
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}
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void GUIChatConsole::setCursor(
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bool visible, bool blinking, f32 blink_speed, f32 relative_height)
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{
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if (visible)
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{
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if (blinking)
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{
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// leave m_cursor_blink unchanged
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m_cursor_blink_speed = blink_speed;
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}
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else
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{
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m_cursor_blink = 0x8000; // on
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m_cursor_blink_speed = 0.0;
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}
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}
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else
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{
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m_cursor_blink = 0; // off
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m_cursor_blink_speed = 0.0;
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}
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m_cursor_height = relative_height;
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}
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void GUIChatConsole::draw()
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{
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if(!IsVisible)
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return;
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video::IVideoDriver* driver = Environment->getVideoDriver();
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// Check screen size
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v2u32 screensize = driver->getScreenSize();
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if (screensize != m_screensize)
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{
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// screen size has changed
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// scale current console height to new window size
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if (m_screensize.Y != 0)
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m_height = m_height * screensize.Y / m_screensize.Y;
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m_desired_height = m_desired_height_fraction * m_screensize.Y;
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m_screensize = screensize;
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reformatConsole();
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}
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// Animation
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u32 now = getTimeMs();
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animate(now - m_animate_time_old);
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m_animate_time_old = now;
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// Draw console elements if visible
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if (m_height > 0)
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{
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drawBackground();
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drawText();
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drawPrompt();
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}
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gui::IGUIElement::draw();
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}
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void GUIChatConsole::reformatConsole()
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{
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s32 cols = m_screensize.X / m_fontsize.X - 2; // make room for a margin (looks better)
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s32 rows = m_desired_height / m_fontsize.Y - 1; // make room for the input prompt
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if (cols <= 0 || rows <= 0)
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cols = rows = 0;
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m_chat_backend->reformat(cols, rows);
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}
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void GUIChatConsole::recalculateConsolePosition()
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{
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core::rect<s32> rect(0, 0, m_screensize.X, m_height);
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DesiredRect = rect;
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recalculateAbsolutePosition(false);
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}
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void GUIChatConsole::animate(u32 msec)
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{
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// animate the console height
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s32 goal = m_open ? m_desired_height : 0;
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// Set invisible if close animation finished (reset by openConsole)
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// This function (animate()) is never called once its visibility becomes false so do not
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// actually set visible to false before the inhibited period is over
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if (!m_open && m_height == 0 && m_open_inhibited == 0)
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IGUIElement::setVisible(false);
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if (m_height != goal)
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{
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s32 max_change = msec * m_screensize.Y * (m_height_speed / 1000.0);
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if (max_change == 0)
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max_change = 1;
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if (m_height < goal)
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{
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// increase height
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if (m_height + max_change < goal)
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m_height += max_change;
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else
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m_height = goal;
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}
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else
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{
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// decrease height
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if (m_height > goal + max_change)
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m_height -= max_change;
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else
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m_height = goal;
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}
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recalculateConsolePosition();
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}
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// blink the cursor
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if (m_cursor_blink_speed != 0.0)
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{
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u32 blink_increase = 0x10000 * msec * (m_cursor_blink_speed / 1000.0);
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if (blink_increase == 0)
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blink_increase = 1;
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m_cursor_blink = ((m_cursor_blink + blink_increase) & 0xffff);
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}
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// decrease open inhibit counter
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if (m_open_inhibited > msec)
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m_open_inhibited -= msec;
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else
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m_open_inhibited = 0;
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}
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void GUIChatConsole::drawBackground()
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{
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video::IVideoDriver* driver = Environment->getVideoDriver();
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if (m_background != NULL)
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{
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core::rect<s32> sourcerect(0, -m_height, m_screensize.X, 0);
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driver->draw2DImage(
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m_background,
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v2s32(0, 0),
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sourcerect,
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&AbsoluteClippingRect,
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m_background_color,
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false);
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}
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else
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{
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driver->draw2DRectangle(
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m_background_color,
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core::rect<s32>(0, 0, m_screensize.X, m_height),
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&AbsoluteClippingRect);
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}
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}
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void GUIChatConsole::drawText()
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{
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if (m_font == NULL)
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return;
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ChatBuffer& buf = m_chat_backend->getConsoleBuffer();
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for (u32 row = 0; row < buf.getRows(); ++row)
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{
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const ChatFormattedLine& line = buf.getFormattedLine(row);
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if (line.fragments.empty())
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continue;
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s32 line_height = m_fontsize.Y;
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s32 y = row * line_height + m_height - m_desired_height;
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if (y + line_height < 0)
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continue;
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for (u32 i = 0; i < line.fragments.size(); ++i)
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{
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const ChatFormattedFragment& fragment = line.fragments[i];
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s32 x = (fragment.column + 1) * m_fontsize.X;
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core::rect<s32> destrect(
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x, y, x + m_fontsize.X * fragment.text.size(), y + m_fontsize.Y);
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#if USE_FREETYPE
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// Draw colored text if FreeType is enabled
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irr::gui::CGUITTFont *tmp = static_cast<irr::gui::CGUITTFont*>(m_font);
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tmp->draw(
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fragment.text,
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destrect,
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video::SColor(255, 255, 255, 255),
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false,
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false,
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&AbsoluteClippingRect);
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#else
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// Otherwise use standard text
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m_font->draw(
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fragment.text.c_str(),
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destrect,
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video::SColor(255, 255, 255, 255),
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false,
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false,
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&AbsoluteClippingRect);
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#endif
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}
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}
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}
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void GUIChatConsole::drawPrompt()
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{
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if (m_font == NULL)
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return;
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u32 row = m_chat_backend->getConsoleBuffer().getRows();
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s32 line_height = m_fontsize.Y;
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s32 y = row * line_height + m_height - m_desired_height;
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ChatPrompt& prompt = m_chat_backend->getPrompt();
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std::wstring prompt_text = prompt.getVisiblePortion();
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// FIXME Draw string at once, not character by character
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// That will only work with the cursor once we have a monospace font
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for (u32 i = 0; i < prompt_text.size(); ++i)
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{
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wchar_t ws[2] = {prompt_text[i], 0};
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s32 x = (1 + i) * m_fontsize.X;
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core::rect<s32> destrect(
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x, y, x + m_fontsize.X, y + m_fontsize.Y);
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m_font->draw(
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ws,
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destrect,
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video::SColor(255, 255, 255, 255),
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false,
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false,
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&AbsoluteClippingRect);
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}
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// Draw the cursor during on periods
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if ((m_cursor_blink & 0x8000) != 0)
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{
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s32 cursor_pos = prompt.getVisibleCursorPosition();
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if (cursor_pos >= 0)
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{
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s32 cursor_len = prompt.getCursorLength();
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video::IVideoDriver* driver = Environment->getVideoDriver();
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s32 x = (1 + cursor_pos) * m_fontsize.X;
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core::rect<s32> destrect(
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x,
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y + m_fontsize.Y * (1.0 - m_cursor_height),
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x + m_fontsize.X * MYMAX(cursor_len, 1),
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y + m_fontsize.Y * (cursor_len ? m_cursor_height+1 : 1)
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);
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video::SColor cursor_color(255,255,255,255);
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driver->draw2DRectangle(
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cursor_color,
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destrect,
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&AbsoluteClippingRect);
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}
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}
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}
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bool GUIChatConsole::OnEvent(const SEvent& event)
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{
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ChatPrompt &prompt = m_chat_backend->getPrompt();
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if(event.EventType == EET_KEY_INPUT_EVENT && event.KeyInput.PressedDown)
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{
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// Key input
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if(KeyPress(event.KeyInput) == getKeySetting("keymap_console"))
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{
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closeConsole();
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// inhibit open so the_game doesn't reopen immediately
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m_open_inhibited = 50;
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m_close_on_enter = false;
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return true;
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}
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else if(event.KeyInput.Key == KEY_ESCAPE)
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{
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closeConsoleAtOnce();
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m_close_on_enter = false;
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// inhibit open so the_game doesn't reopen immediately
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m_open_inhibited = 1; // so the ESCAPE button doesn't open the "pause menu"
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return true;
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}
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else if(event.KeyInput.Key == KEY_PRIOR)
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{
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m_chat_backend->scrollPageUp();
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return true;
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}
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else if(event.KeyInput.Key == KEY_NEXT)
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{
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m_chat_backend->scrollPageDown();
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return true;
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}
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else if(event.KeyInput.Key == KEY_RETURN)
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{
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prompt.addToHistory(prompt.getLine());
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std::wstring text = prompt.replace(L"");
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m_client->typeChatMessage(text);
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if (m_close_on_enter) {
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closeConsoleAtOnce();
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m_close_on_enter = false;
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}
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return true;
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}
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else if(event.KeyInput.Key == KEY_UP)
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{
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// Up pressed
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// Move back in history
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prompt.historyPrev();
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return true;
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}
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else if(event.KeyInput.Key == KEY_DOWN)
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{
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// Down pressed
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// Move forward in history
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prompt.historyNext();
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return true;
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}
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else if(event.KeyInput.Key == KEY_LEFT || event.KeyInput.Key == KEY_RIGHT)
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{
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// Left/right pressed
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// Move/select character/word to the left depending on control and shift keys
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ChatPrompt::CursorOp op = event.KeyInput.Shift ?
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ChatPrompt::CURSOROP_SELECT :
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ChatPrompt::CURSOROP_MOVE;
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ChatPrompt::CursorOpDir dir = event.KeyInput.Key == KEY_LEFT ?
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ChatPrompt::CURSOROP_DIR_LEFT :
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ChatPrompt::CURSOROP_DIR_RIGHT;
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ChatPrompt::CursorOpScope scope = event.KeyInput.Control ?
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ChatPrompt::CURSOROP_SCOPE_WORD :
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ChatPrompt::CURSOROP_SCOPE_CHARACTER;
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prompt.cursorOperation(op, dir, scope);
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return true;
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}
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else if(event.KeyInput.Key == KEY_HOME)
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{
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// Home pressed
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// move to beginning of line
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prompt.cursorOperation(
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ChatPrompt::CURSOROP_MOVE,
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ChatPrompt::CURSOROP_DIR_LEFT,
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ChatPrompt::CURSOROP_SCOPE_LINE);
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return true;
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}
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else if(event.KeyInput.Key == KEY_END)
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{
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// End pressed
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// move to end of line
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prompt.cursorOperation(
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ChatPrompt::CURSOROP_MOVE,
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ChatPrompt::CURSOROP_DIR_RIGHT,
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ChatPrompt::CURSOROP_SCOPE_LINE);
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return true;
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}
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else if(event.KeyInput.Key == KEY_BACK)
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{
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// Backspace or Ctrl-Backspace pressed
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// delete character / word to the left
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ChatPrompt::CursorOpScope scope =
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event.KeyInput.Control ?
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ChatPrompt::CURSOROP_SCOPE_WORD :
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ChatPrompt::CURSOROP_SCOPE_CHARACTER;
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prompt.cursorOperation(
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ChatPrompt::CURSOROP_DELETE,
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|
ChatPrompt::CURSOROP_DIR_LEFT,
|
|
scope);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_DELETE)
|
|
{
|
|
// Delete or Ctrl-Delete pressed
|
|
// delete character / word to the right
|
|
ChatPrompt::CursorOpScope scope =
|
|
event.KeyInput.Control ?
|
|
ChatPrompt::CURSOROP_SCOPE_WORD :
|
|
ChatPrompt::CURSOROP_SCOPE_CHARACTER;
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_DELETE,
|
|
ChatPrompt::CURSOROP_DIR_RIGHT,
|
|
scope);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_A && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-A pressed
|
|
// Select all text
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_SELECT,
|
|
ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
|
|
ChatPrompt::CURSOROP_SCOPE_LINE);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_C && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-C pressed
|
|
// Copy text to clipboard
|
|
if (prompt.getCursorLength() <= 0)
|
|
return true;
|
|
std::wstring wselected = prompt.getSelection();
|
|
std::string selected(wselected.begin(), wselected.end());
|
|
Environment->getOSOperator()->copyToClipboard(selected.c_str());
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_V && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-V pressed
|
|
// paste text from clipboard
|
|
if (prompt.getCursorLength() > 0) {
|
|
// Delete selected section of text
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_DELETE,
|
|
ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
|
|
ChatPrompt::CURSOROP_SCOPE_SELECTION);
|
|
}
|
|
IOSOperator *os_operator = Environment->getOSOperator();
|
|
const c8 *text = os_operator->getTextFromClipboard();
|
|
if (!text)
|
|
return true;
|
|
std::basic_string<unsigned char> str((const unsigned char*)text);
|
|
prompt.input(std::wstring(str.begin(), str.end()));
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_X && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-X pressed
|
|
// Cut text to clipboard
|
|
if (prompt.getCursorLength() <= 0)
|
|
return true;
|
|
std::wstring wselected = prompt.getSelection();
|
|
std::string selected(wselected.begin(), wselected.end());
|
|
Environment->getOSOperator()->copyToClipboard(selected.c_str());
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_DELETE,
|
|
ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
|
|
ChatPrompt::CURSOROP_SCOPE_SELECTION);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_U && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-U pressed
|
|
// kill line to left end
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_DELETE,
|
|
ChatPrompt::CURSOROP_DIR_LEFT,
|
|
ChatPrompt::CURSOROP_SCOPE_LINE);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_KEY_K && event.KeyInput.Control)
|
|
{
|
|
// Ctrl-K pressed
|
|
// kill line to right end
|
|
prompt.cursorOperation(
|
|
ChatPrompt::CURSOROP_DELETE,
|
|
ChatPrompt::CURSOROP_DIR_RIGHT,
|
|
ChatPrompt::CURSOROP_SCOPE_LINE);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Key == KEY_TAB)
|
|
{
|
|
// Tab or Shift-Tab pressed
|
|
// Nick completion
|
|
std::list<std::string> names = m_client->getConnectedPlayerNames();
|
|
bool backwards = event.KeyInput.Shift;
|
|
prompt.nickCompletion(names, backwards);
|
|
return true;
|
|
}
|
|
else if(event.KeyInput.Char != 0 && !event.KeyInput.Control)
|
|
{
|
|
#if (defined(__linux__))
|
|
wchar_t wc = L'_';
|
|
mbtowc( &wc, (char *) &event.KeyInput.Char, sizeof(event.KeyInput.Char) );
|
|
prompt.input(wc);
|
|
#else
|
|
prompt.input(event.KeyInput.Char);
|
|
#endif
|
|
return true;
|
|
}
|
|
}
|
|
else if(event.EventType == EET_MOUSE_INPUT_EVENT)
|
|
{
|
|
if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
|
|
{
|
|
s32 rows = myround(-3.0 * event.MouseInput.Wheel);
|
|
m_chat_backend->scroll(rows);
|
|
}
|
|
}
|
|
|
|
return Parent ? Parent->OnEvent(event) : false;
|
|
}
|
|
|
|
void GUIChatConsole::setVisible(bool visible)
|
|
{
|
|
m_open = visible;
|
|
IGUIElement::setVisible(visible);
|
|
if (!visible) {
|
|
m_height = 0;
|
|
recalculateConsolePosition();
|
|
}
|
|
}
|
|
|