mirror of
https://github.com/rakshasa/rtorrent.git
synced 2026-10-11 00:29:22 +00:00
kannibalox
+120
-43
@@ -1,45 +1,9 @@
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// rTorrent - BitTorrent client
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// Copyright (C) 2005-2011, Jari Sundell
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//
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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 General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations
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// including the two.
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//
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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//
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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//
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// Skomakerveien 33
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// 3185 Skoppum, NORWAY
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#include "config.h"
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <torrent/exceptions.h>
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#include <unistd.h>
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#include "rpc/parse_commands.h"
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@@ -48,14 +12,16 @@
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namespace display {
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bool Canvas::m_isInitialized = false;
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bool Canvas::m_isDaemon = false;
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bool Canvas::m_isDaemon = false;
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// Maps ncurses color IDs to a ncurses attribute int
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std::unordered_map<int, int> Canvas::m_attr_map = {};
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Canvas::Canvas(int x, int y, int width, int height) {
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if (!m_isDaemon) {
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m_window = newwin(height, width, y, x);
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m_window = newwin(height, width, y, x);
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if (m_window == NULL)
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throw torrent::internal_error("Could not allocate ncurses canvas.");
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if (m_window == NULL)
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throw torrent::internal_error("Could not allocate ncurses canvas.");
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}
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}
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@@ -73,7 +39,7 @@ Canvas::print_attributes(unsigned int x, unsigned int y, const char* first, cons
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move(x, y);
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attr_t org_attr;
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short org_pair;
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short org_pair;
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wattr_get(m_window, &org_attr, &org_pair, NULL);
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attributes_list::const_iterator attrItr = attributes->begin();
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@@ -111,6 +77,9 @@ Canvas::initialize() {
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if (!m_isDaemon) {
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initscr();
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start_color();
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use_default_colors();
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Canvas::build_colors();
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raw();
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noecho();
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nodelay(stdscr, TRUE);
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@@ -119,6 +88,114 @@ Canvas::initialize() {
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}
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}
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// Function wrapper for what possibly is a macro
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int
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get_colors() {
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return COLORS;
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}
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// Turns the string color definitions from the "ui.color.*" RPC
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// commands into valid ncurses color pairs
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void
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Canvas::build_colors() {
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// This may get called early in the start process by the config
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// file, so we need to delay building until initscr() has a chance
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// to run
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if (!m_isInitialized || m_isDaemon)
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return;
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// basic color names, index maps to ncurses COLOR_*
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static const char* color_names[] = {
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"black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"};
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// Those hold the background colors of "odd" and "even"
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int bg_odd = -1;
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int bg_even = -1;
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for (int k = 1; k < RCOLOR_MAX; k++) {
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init_pair(k, -1, -1);
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std::string color_def = rpc::call_command_string(color_vars[k]);
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if (color_def.empty())
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continue; // Use terminal default if definition is empty
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short color[2] = {-1, -1}; // fg, bg
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short color_idx = 0; // 0 = fg; 1 = bg
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short bright = 0;
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unsigned long attr = A_NORMAL;
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// Process string as space-separated words
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size_t start = 0, end = 0;
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while (true) {
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end = color_def.find(' ', start);
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std::string word = color_def.substr(start, end - start);
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if (word == "bold")
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attr |= A_BOLD;
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else if (word == "standout")
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attr |= A_STANDOUT;
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else if (word == "underline")
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attr |= A_UNDERLINE;
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else if (word == "reverse")
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attr |= A_REVERSE;
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else if (word == "blink")
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attr |= A_BLINK;
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else if (word == "dim")
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attr |= A_DIM;
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else if (word == "on") {
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color_idx = 1;
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bright = 0;
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} // Switch to background color
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else if (word == "gray" || word == "grey")
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color[color_idx] = bright ? 7 : 8; // Bright gray is white
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else if (word == "bright")
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bright = 8;
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else if (word.find_first_not_of("0123456789") == std::string::npos) {
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// Handle numeric index
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short c = -1;
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sscanf(word.c_str(), "%hd", &c);
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color[color_idx] = c;
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} else
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for (short c = 0; c < 8; c++) { // Check for basic color names
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if (word == color_names[c]) {
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color[color_idx] = bright + c;
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break;
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}
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}
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if (end == std::string::npos)
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break;
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start = end + 1;
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}
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// Check that fg & bg color index is valid
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if ((color[0] != -1 && color[0] >= get_colors()) || (color[1] != -1 && color[1] >= get_colors())) {
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char buf[33];
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sprintf(buf, "%d", get_colors());
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Canvas::cleanup();
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throw torrent::input_error(color_def + ": your terminal only supports " + buf + " colors.");
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}
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m_attr_map[k] = attr; // overwrite or insert the value
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init_pair(k, color[0], color[1]);
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if (k == RCOLOR_EVEN)
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bg_even = color[1];
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if (k == RCOLOR_ODD)
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bg_odd = color[1];
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}
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// Now make copies of the basic colors with the "odd" and "even" definitions mixed in
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for (int k = 1; k < RCOLOR_MAX; k++) {
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short fg, bg;
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pair_content(k, &fg, &bg);
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// Replace the background color, and mix in the attributes
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m_attr_map[k + 1 * RCOLOR_MAX] = m_attr_map[k] | m_attr_map[RCOLOR_EVEN];
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m_attr_map[k + 2 * RCOLOR_MAX] = m_attr_map[k] | m_attr_map[RCOLOR_ODD];
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init_pair(k + 1 * RCOLOR_MAX, fg, bg == -1 ? bg_even : bg);
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init_pair(k + 2 * RCOLOR_MAX, fg, bg == -1 ? bg_odd : bg);
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}
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}
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void
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Canvas::cleanup() {
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if (!m_isInitialized)
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@@ -143,4 +220,4 @@ Canvas::term_size() {
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return std::pair<int, int>(80, 24);
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}
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}
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} // namespace display
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