From 967f25461bbde28dbc0247fa1c491e9d9938a5b2 Mon Sep 17 00:00:00 2001 From: Kahrl Date: Sat, 3 Dec 2011 09:01:14 +0100 Subject: Chat console, including a number of rebases and modifications. Defaults modified from original: alpha=200, key=F10 --- src/guiChatConsole.cpp | 550 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 550 insertions(+) create mode 100644 src/guiChatConsole.cpp (limited to 'src/guiChatConsole.cpp') diff --git a/src/guiChatConsole.cpp b/src/guiChatConsole.cpp new file mode 100644 index 000000000..d11a50e20 --- /dev/null +++ b/src/guiChatConsole.cpp @@ -0,0 +1,550 @@ +/* +Minetest-c55 +Copyright (C) 2011 celeron55, Perttu Ahola + +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 +(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 General Public License for more details. + +You should have received a copy of the GNU 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. +*/ + +#include "guiChatConsole.h" +#include "chat.h" +#include "client.h" +#include "debug.h" +#include "gettime.h" +#include "keycode.h" +#include "settings.h" +#include "main.h" // for g_settings +#include "porting.h" +#include "tile.h" +#include "IGUIFont.h" +#include + +#include "gettext.h" + +inline u32 clamp_u8(s32 value) +{ + return (u32) MYMIN(MYMAX(value, 0), 255); +} + + +GUIChatConsole::GUIChatConsole( + gui::IGUIEnvironment* env, + gui::IGUIElement* parent, + s32 id, + ChatBackend* backend, + Client* client +): + IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, + core::rect(0,0,100,100)), + m_chat_backend(backend), + m_client(client), + m_screensize(v2u32(0,0)), + m_animate_time_old(0), + m_open(false), + m_height(0), + m_desired_height(0), + m_desired_height_fraction(0.0), + m_height_speed(5.0), + m_open_inhibited(0), + m_cursor_blink(0.0), + m_cursor_blink_speed(0.0), + m_cursor_height(0.0), + m_background(NULL), + m_background_color(255, 0, 0, 0), + m_font(NULL), + m_fontsize(0, 0) +{ + m_animate_time_old = getTimeMs(); + + // load background settings + bool console_color_set = !g_settings->get("console_color").empty(); + s32 console_alpha = g_settings->getS32("console_alpha"); + + // load the background texture depending on settings + m_background_color.setAlpha(clamp_u8(console_alpha)); + if (console_color_set) + { + v3f console_color = g_settings->getV3F("console_color"); + m_background_color.setRed(clamp_u8(myround(console_color.X))); + m_background_color.setGreen(clamp_u8(myround(console_color.Y))); + m_background_color.setBlue(clamp_u8(myround(console_color.Z))); + } + else + { + m_background = env->getVideoDriver()->getTexture(getTexturePath("background_chat.jpg").c_str()); + m_background_color.setRed(255); + m_background_color.setGreen(255); + m_background_color.setBlue(255); + } + + // load the font + // FIXME should a custom texture_path be searched too? + std::string font_name = "fontdejavusansmono.png"; + m_font = env->getFont(getTexturePath(font_name).c_str()); + if (m_font == NULL) + { + dstream << "Unable to load font: " << font_name << std::endl; + } + else + { + core::dimension2d dim = m_font->getDimension(L"M"); + m_fontsize = v2u32(dim.Width, dim.Height); + dstream << "Font size: " << m_fontsize.X << " " << m_fontsize.Y << std::endl; + } + m_fontsize.X = MYMAX(m_fontsize.X, 1); + m_fontsize.Y = MYMAX(m_fontsize.Y, 1); + + // set default cursor options + setCursor(true, true, 2.0, 0.1); +} + +GUIChatConsole::~GUIChatConsole() +{ +} + +void GUIChatConsole::openConsole(f32 height) +{ + m_open = true; + m_desired_height_fraction = height; + m_desired_height = height * m_screensize.Y; + reformatConsole(); +} + +bool GUIChatConsole::isOpenInhibited() const +{ + return m_open_inhibited > 0; +} + +void GUIChatConsole::closeConsole() +{ + m_open = false; +} + +void GUIChatConsole::closeConsoleAtOnce() +{ + m_open = false; + m_height = 0; + recalculateConsolePosition(); +} + +f32 GUIChatConsole::getDesiredHeight() const +{ + return m_desired_height_fraction; +} + +void GUIChatConsole::setCursor( + bool visible, bool blinking, f32 blink_speed, f32 relative_height) +{ + if (visible) + { + if (blinking) + { + // leave m_cursor_blink unchanged + m_cursor_blink_speed = blink_speed; + } + else + { + m_cursor_blink = 0x8000; // on + m_cursor_blink_speed = 0.0; + } + } + else + { + m_cursor_blink = 0; // off + m_cursor_blink_speed = 0.0; + } + m_cursor_height = relative_height; +} + +void GUIChatConsole::draw() +{ + if(!IsVisible) + return; + + video::IVideoDriver* driver = Environment->getVideoDriver(); + + // Check screen size + v2u32 screensize = driver->getScreenSize(); + if (screensize != m_screensize) + { + // screen size has changed + // scale current console height to new window size + if (m_screensize.Y != 0) + m_height = m_height * screensize.Y / m_screensize.Y; + m_desired_height = m_desired_height_fraction * m_screensize.Y; + m_screensize = screensize; + reformatConsole(); + } + + // Animation + u32 now = getTimeMs(); + animate(now - m_animate_time_old); + m_animate_time_old = now; + + // Draw console elements if visible + if (m_height > 0) + { + drawBackground(); + drawText(); + drawPrompt(); + } + + gui::IGUIElement::draw(); +} + +void GUIChatConsole::reformatConsole() +{ + s32 cols = m_screensize.X / m_fontsize.X - 2; // make room for a margin (looks better) + s32 rows = m_desired_height / m_fontsize.Y - 1; // make room for the input prompt + if (cols <= 0 || rows <= 0) + cols = rows = 0; + m_chat_backend->reformat(cols, rows); +} + +void GUIChatConsole::recalculateConsolePosition() +{ + core::rect rect(0, 0, m_screensize.X, m_height); + DesiredRect = rect; + recalculateAbsolutePosition(false); +} + +void GUIChatConsole::animate(u32 msec) +{ + // animate the console height + s32 goal = m_open ? m_desired_height : 0; + if (m_height != goal) + { + s32 max_change = msec * m_screensize.Y * (m_height_speed / 1000.0); + if (max_change == 0) + max_change = 1; + + if (m_height < goal) + { + // increase height + if (m_height + max_change < goal) + m_height += max_change; + else + m_height = goal; + } + else + { + // decrease height + if (m_height > goal + max_change) + m_height -= max_change; + else + m_height = goal; + } + + recalculateConsolePosition(); + } + + // blink the cursor + if (m_cursor_blink_speed != 0.0) + { + u32 blink_increase = 0x10000 * msec * (m_cursor_blink_speed / 1000.0); + if (blink_increase == 0) + blink_increase = 1; + m_cursor_blink = ((m_cursor_blink + blink_increase) & 0xffff); + } + + // decrease open inhibit counter + if (m_open_inhibited > msec) + m_open_inhibited -= msec; + else + m_open_inhibited = 0; +} + +void GUIChatConsole::drawBackground() +{ + video::IVideoDriver* driver = Environment->getVideoDriver(); + if (m_background != NULL) + { + core::rect sourcerect(0, -m_height, m_screensize.X, 0); + driver->draw2DImage( + m_background, + v2s32(0, 0), + sourcerect, + &AbsoluteClippingRect, + m_background_color, + false); + } + else + { + driver->draw2DRectangle( + m_background_color, + core::rect(0, 0, m_screensize.X, m_height), + &AbsoluteClippingRect); + } +} + +void GUIChatConsole::drawText() +{ + if (m_font == NULL) + return; + + ChatBuffer& buf = m_chat_backend->getConsoleBuffer(); + for (u32 row = 0; row < buf.getRows(); ++row) + { + const ChatFormattedLine& line = buf.getFormattedLine(row); + if (line.fragments.empty()) + continue; + + s32 line_height = m_fontsize.Y; + s32 y = row * line_height + m_height - m_desired_height; + if (y + line_height < 0) + continue; + + for (u32 i = 0; i < line.fragments.size(); ++i) + { + const ChatFormattedFragment& fragment = line.fragments[i]; + s32 x = (fragment.column + 1) * m_fontsize.X; + core::rect destrect( + x, y, x + m_fontsize.X * fragment.text.size(), y + m_fontsize.Y); + m_font->draw( + fragment.text.c_str(), + destrect, + video::SColor(255, 255, 255, 255), + false, + false, + &AbsoluteClippingRect); + } + } +} + +void GUIChatConsole::drawPrompt() +{ + if (m_font == NULL) + return; + + u32 row = m_chat_backend->getConsoleBuffer().getRows(); + s32 line_height = m_fontsize.Y; + s32 y = row * line_height + m_height - m_desired_height; + + ChatPrompt& prompt = m_chat_backend->getPrompt(); + std::wstring prompt_text = prompt.getVisiblePortion(); + + // FIXME Draw string at once, not character by character + // That will only work with the cursor once we have a monospace font + for (u32 i = 0; i < prompt_text.size(); ++i) + { + wchar_t ws[2] = {prompt_text[i], 0}; + s32 x = (1 + i) * m_fontsize.X; + core::rect destrect( + x, y, x + m_fontsize.X, y + m_fontsize.Y); + m_font->draw( + ws, + destrect, + video::SColor(255, 255, 255, 255), + false, + false, + &AbsoluteClippingRect); + } + + // Draw the cursor during on periods + if ((m_cursor_blink & 0x8000) != 0) + { + s32 cursor_pos = prompt.getVisibleCursorPosition(); + if (cursor_pos >= 0) + { + video::IVideoDriver* driver = Environment->getVideoDriver(); + s32 x = (1 + cursor_pos) * m_fontsize.X; + core::rect destrect( + x, + y + (1.0-m_cursor_height) * m_fontsize.Y, + x + m_fontsize.X, + y + m_fontsize.Y); + video::SColor cursor_color(255,255,255,255); + driver->draw2DRectangle( + cursor_color, + destrect, + &AbsoluteClippingRect); + } + } + +} + +bool GUIChatConsole::OnEvent(const SEvent& event) +{ + if(event.EventType == EET_KEY_INPUT_EVENT && event.KeyInput.PressedDown) + { + // Key input + if(KeyPress(event.KeyInput) == getKeySetting("keymap_console")) + { + closeConsole(); + Environment->removeFocus(this); + + // inhibit open so the_game doesn't reopen immediately + m_open_inhibited = 50; + return true; + } + else if(event.KeyInput.Key == KEY_ESCAPE) + { + closeConsoleAtOnce(); + Environment->removeFocus(this); + // the_game will open the pause menu + return true; + } + else if(event.KeyInput.Key == KEY_PRIOR) + { + m_chat_backend->scrollPageUp(); + return true; + } + else if(event.KeyInput.Key == KEY_NEXT) + { + m_chat_backend->scrollPageDown(); + return true; + } + else if(event.KeyInput.Key == KEY_RETURN) + { + std::wstring text = m_chat_backend->getPrompt().submit(); + m_client->typeChatMessage(text); + return true; + } + else if(event.KeyInput.Key == KEY_UP) + { + // Up pressed + // Move back in history + m_chat_backend->getPrompt().historyPrev(); + return true; + } + else if(event.KeyInput.Key == KEY_DOWN) + { + // Down pressed + // Move forward in history + m_chat_backend->getPrompt().historyNext(); + return true; + } + else if(event.KeyInput.Key == KEY_LEFT) + { + // Left or Ctrl-Left pressed + // move character / word to the left + ChatPrompt::CursorOpScope scope = + event.KeyInput.Control ? + ChatPrompt::CURSOROP_SCOPE_WORD : + ChatPrompt::CURSOROP_SCOPE_CHARACTER; + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_MOVE, + ChatPrompt::CURSOROP_DIR_LEFT, + scope); + return true; + } + else if(event.KeyInput.Key == KEY_RIGHT) + { + // Right or Ctrl-Right pressed + // move character / word to the right + ChatPrompt::CursorOpScope scope = + event.KeyInput.Control ? + ChatPrompt::CURSOROP_SCOPE_WORD : + ChatPrompt::CURSOROP_SCOPE_CHARACTER; + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_MOVE, + ChatPrompt::CURSOROP_DIR_RIGHT, + scope); + return true; + } + else if(event.KeyInput.Key == KEY_HOME) + { + // Home pressed + // move to beginning of line + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_MOVE, + ChatPrompt::CURSOROP_DIR_LEFT, + ChatPrompt::CURSOROP_SCOPE_LINE); + return true; + } + else if(event.KeyInput.Key == KEY_END) + { + // End pressed + // move to end of line + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_MOVE, + ChatPrompt::CURSOROP_DIR_RIGHT, + ChatPrompt::CURSOROP_SCOPE_LINE); + return true; + } + else if(event.KeyInput.Key == KEY_BACK) + { + // Backspace or Ctrl-Backspace pressed + // delete character / word to the left + ChatPrompt::CursorOpScope scope = + event.KeyInput.Control ? + ChatPrompt::CURSOROP_SCOPE_WORD : + ChatPrompt::CURSOROP_SCOPE_CHARACTER; + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_DELETE, + 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; + m_chat_backend->getPrompt().cursorOperation( + ChatPrompt::CURSOROP_DELETE, + ChatPrompt::CURSOROP_DIR_RIGHT, + scope); + return true; + } + else if(event.KeyInput.Key == KEY_KEY_U && event.KeyInput.Control) + { + // Ctrl-U pressed + // kill line to left end + m_chat_backend->getPrompt().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 + m_chat_backend->getPrompt().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 + core::list names = m_client->getConnectedPlayerNames(); + bool backwards = event.KeyInput.Shift; + m_chat_backend->getPrompt().nickCompletion(names, backwards); + return true; + } + else if(event.KeyInput.Char != 0 && !event.KeyInput.Control) + { + m_chat_backend->getPrompt().input(event.KeyInput.Char); + 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; +} + -- cgit v1.2.3