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Location: cpp/openttd-patchpack/source/src/console_gui.cpp - annotation
r16788:c54089fdf5e7
13.5 KiB
text/x-c
(svn r21531) -Fix: gcc 3.4 warning
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r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r16665:b1ac123a9a5a r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r10207:a1fc2f2a33db r9339:78ad2d03d291 r9339:78ad2d03d291 r9339:78ad2d03d291 r11085:c87a330fb4c2 r13060:e57594b0ca84 r9339:78ad2d03d291 r11085:c87a330fb4c2 r9339:78ad2d03d291 r11085:c87a330fb4c2 r13024:48c81d0b078a r9339:78ad2d03d291 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file console_gui.cpp Handling the GUI of the in-game console. */
#include "stdafx.h"
#include "textbuf_gui.h"
#include "window_gui.h"
#include "console_gui.h"
#include "console_internal.h"
#include "window_func.h"
#include "string_func.h"
#include "strings_func.h"
#include "gfx_func.h"
#include "settings_type.h"
#include "console_func.h"
#include "rev.h"
#include "table/strings.h"
static const uint ICON_HISTORY_SIZE = 20;
static const uint ICON_LINE_SPACING = 2;
static const uint ICON_RIGHT_BORDERWIDTH = 10;
static const uint ICON_BOTTOM_BORDERWIDTH = 12;
/**
* Container for a single line of console output
*/
struct IConsoleLine {
static IConsoleLine *front; ///< The front of the console backlog buffer
static int size; ///< The amount of items in the backlog
IConsoleLine *previous; ///< The previous console message.
char *buffer; ///< The data to store.
TextColour colour; ///< The colour of the line.
uint16 time; ///< The amount of time the line is in the backlog.
/**
* Initialize the console line.
* @param buffer the data to print.
* @param colour the colour of the line.
*/
IConsoleLine(char *buffer, TextColour colour) :
previous(IConsoleLine::front),
buffer(buffer),
colour(colour),
time(0)
{
IConsoleLine::front = this;
IConsoleLine::size++;
}
/**
* Clear this console line and any further ones.
*/
~IConsoleLine()
{
IConsoleLine::size--;
free(buffer);
delete previous;
}
/**
* Get the index-ed item in the list.
*/
static const IConsoleLine *Get(uint index)
{
const IConsoleLine *item = IConsoleLine::front;
while (index != 0 && item != NULL) {
index--;
item = item->previous;
}
return item;
}
/**
* Truncate the list removing everything older than/more than the amount
* as specified in the config file.
* As a side effect also increase the time the other lines have been in
* the list.
* @return true if and only if items got removed.
*/
static bool Truncate()
{
IConsoleLine *cur = IConsoleLine::front;
if (cur == NULL) return false;
int count = 1;
for (IConsoleLine *item = cur->previous; item != NULL; count++, cur = item, item = item->previous) {
if (item->time > _settings_client.gui.console_backlog_timeout &&
count > _settings_client.gui.console_backlog_length) {
delete item;
cur->previous = NULL;
return true;
}
if (item->time != MAX_UVALUE(uint16)) item->time++;
}
return false;
}
/**
* Reset the complete console line backlog.
*/
static void Reset()
{
delete IConsoleLine::front;
IConsoleLine::front = NULL;
IConsoleLine::size = 0;
}
};
/* static */ IConsoleLine *IConsoleLine::front = NULL;
/* static */ int IConsoleLine::size = 0;
/* ** main console cmd buffer ** */
static Textbuf _iconsole_cmdline;
static char *_iconsole_history[ICON_HISTORY_SIZE];
static byte _iconsole_historypos;
IConsoleModes _iconsole_mode;
/* *************** *
* end of header *
* *************** */
static void IConsoleClearCommand()
{
memset(_iconsole_cmdline.buf, 0, ICON_CMDLN_SIZE);
_iconsole_cmdline.chars = _iconsole_cmdline.bytes = 1; // only terminating zero
_iconsole_cmdline.pixels = 0;
_iconsole_cmdline.caretpos = 0;
_iconsole_cmdline.caretxoffs = 0;
SetWindowDirty(WC_CONSOLE, 0);
}
static inline void IConsoleResetHistoryPos()
{
_iconsole_historypos = ICON_HISTORY_SIZE - 1;
}
static const char *IConsoleHistoryAdd(const char *cmd);
static void IConsoleHistoryNavigate(int direction);
/** Widgets of the console window. */
enum ConsoleWidgets {
CW_BACKGROUND, ///< Background of the console
};
static const struct NWidgetPart _nested_console_window_widgets[] = {
NWidget(WWT_EMPTY, INVALID_COLOUR, CW_BACKGROUND), SetResize(1, 1),
};
static const WindowDesc _console_window_desc(
WDP_MANUAL, 0, 0,
WC_CONSOLE, WC_NONE,
0,
_nested_console_window_widgets, lengthof(_nested_console_window_widgets)
);
struct IConsoleWindow : Window
{
static int scroll;
int line_height; ///< Height of one line of text in the console.
int line_offset;
IConsoleWindow() : Window()
{
_iconsole_mode = ICONSOLE_OPENED;
this->line_height = FONT_HEIGHT_NORMAL;
this->line_offset = GetStringBoundingBox("] ").width + 5;
this->InitNested(&_console_window_desc, 0);
ResizeWindow(this, _screen.width, _screen.height / 3);
}
~IConsoleWindow()
{
_iconsole_mode = ICONSOLE_CLOSED;
}
virtual void OnPaint()
{
const int right = this->width - 5;
GfxFillRect(this->left, this->top, this->width, this->height - 1, 0);
int ypos = this->height - this->line_height - ICON_LINE_SPACING;
for (const IConsoleLine *print = IConsoleLine::Get(IConsoleWindow::scroll); print != NULL; print = print->previous) {
SetDParamStr(0, print->buffer);
ypos = DrawStringMultiLine(5, right, top, ypos, STR_JUST_RAW_STRING, print->colour, SA_LEFT | SA_BOTTOM | SA_FORCE) - ICON_LINE_SPACING;
if (ypos <= top) break;
}
/* If the text is longer than the window, don't show the starting ']' */
int delta = this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH;
if (delta > 0) {
DrawString(5, right, this->height - this->line_height, "]", (TextColour)CC_COMMAND, SA_LEFT | SA_FORCE);
delta = 0;
}
DrawString(this->line_offset + delta, right, this->height - this->line_height, _iconsole_cmdline.buf, (TextColour)CC_COMMAND, SA_LEFT | SA_FORCE);
if (_focused_window == this && _iconsole_cmdline.caret) {
DrawString(this->line_offset + delta + _iconsole_cmdline.caretxoffs, right, this->height - this->line_height, "_", TC_WHITE, SA_LEFT | SA_FORCE);
}
}
virtual void OnHundredthTick()
{
if (IConsoleLine::Truncate() &&
(IConsoleWindow::scroll > IConsoleLine::size)) {
IConsoleWindow::scroll = max(0, IConsoleLine::size - (this->height / this->line_height) + 1);
this->SetDirty();
}
}
virtual void OnMouseLoop()
{
if (HandleCaret(&_iconsole_cmdline)) this->SetDirty();
}
virtual EventState OnKeyPress(uint16 key, uint16 keycode)
{
if (_focused_window != this) return ES_NOT_HANDLED;
const int scroll_height = (this->height / this->line_height) - 1;
switch (keycode) {
case WKC_UP:
IConsoleHistoryNavigate(1);
this->SetDirty();
break;
case WKC_DOWN:
IConsoleHistoryNavigate(-1);
this->SetDirty();
break;
case WKC_SHIFT | WKC_PAGEDOWN:
if (IConsoleWindow::scroll - scroll_height < 0) {
IConsoleWindow::scroll = 0;
} else {
IConsoleWindow::scroll -= scroll_height;
}
this->SetDirty();
break;
case WKC_SHIFT | WKC_PAGEUP:
if (IConsoleWindow::scroll + scroll_height > IConsoleLine::size - scroll_height) {
IConsoleWindow::scroll = IConsoleLine::size - scroll_height;
} else {
IConsoleWindow::scroll += scroll_height;
}
this->SetDirty();
break;
case WKC_SHIFT | WKC_DOWN:
if (IConsoleWindow::scroll <= 0) {
IConsoleWindow::scroll = 0;
} else {
--IConsoleWindow::scroll;
}
this->SetDirty();
break;
case WKC_SHIFT | WKC_UP:
if (IConsoleWindow::scroll >= IConsoleLine::size) {
IConsoleWindow::scroll = IConsoleLine::size;
} else {
++IConsoleWindow::scroll;
}
this->SetDirty();
break;
case WKC_BACKQUOTE:
IConsoleSwitch();
break;
case WKC_RETURN: case WKC_NUM_ENTER: {
/* We always want the ] at the left side; we always force these strings to be left
* aligned anyway. So enforce this in all cases by addding a left-to-right marker,
* otherwise it will be drawn at the wrong side with right-to-left texts. */
IConsolePrintF(CC_COMMAND, LRM "] %s", _iconsole_cmdline.buf);
const char *cmd = IConsoleHistoryAdd(_iconsole_cmdline.buf);
IConsoleClearCommand();
if (cmd != NULL) IConsoleCmdExec(cmd);
break;
}
case WKC_CTRL | WKC_RETURN:
_iconsole_mode = (_iconsole_mode == ICONSOLE_FULL) ? ICONSOLE_OPENED : ICONSOLE_FULL;
IConsoleResize(this);
MarkWholeScreenDirty();
break;
#ifdef WITH_COCOA
case (WKC_META | 'V'):
#endif
case (WKC_CTRL | 'V'):
if (InsertTextBufferClipboard(&_iconsole_cmdline)) {
IConsoleResetHistoryPos();
this->SetDirty();
}
break;
case (WKC_CTRL | 'L'):
IConsoleCmdExec("clear");
break;
#ifdef WITH_COCOA
case (WKC_META | 'U'):
#endif
case (WKC_CTRL | 'U'):
DeleteTextBufferAll(&_iconsole_cmdline);
this->SetDirty();
break;
case WKC_BACKSPACE: case WKC_DELETE:
if (DeleteTextBufferChar(&_iconsole_cmdline, keycode)) {
IConsoleResetHistoryPos();
this->SetDirty();
}
break;
case WKC_LEFT: case WKC_RIGHT: case WKC_END: case WKC_HOME:
if (MoveTextBufferPos(&_iconsole_cmdline, keycode)) {
IConsoleResetHistoryPos();
this->SetDirty();
}
break;
default:
if (IsValidChar(key, CS_ALPHANUMERAL)) {
IConsoleWindow::scroll = 0;
InsertTextBufferChar(&_iconsole_cmdline, key);
IConsoleResetHistoryPos();
this->SetDirty();
} else {
return ES_NOT_HANDLED;
}
break;
}
return ES_HANDLED;
}
};
int IConsoleWindow::scroll = 0;
void IConsoleGUIInit()
{
_iconsole_historypos = ICON_HISTORY_SIZE - 1;
_iconsole_mode = ICONSOLE_CLOSED;
IConsoleLine::Reset();
memset(_iconsole_history, 0, sizeof(_iconsole_history));
_iconsole_cmdline.buf = CallocT<char>(ICON_CMDLN_SIZE); // create buffer and zero it
_iconsole_cmdline.max_bytes = ICON_CMDLN_SIZE;
_iconsole_cmdline.max_chars = ICON_CMDLN_SIZE;
IConsolePrintF(CC_WARNING, "OpenTTD Game Console Revision 7 - %s", _openttd_revision);
IConsolePrint(CC_WHITE, "------------------------------------");
IConsolePrint(CC_WHITE, "use \"help\" for more information");
IConsolePrint(CC_WHITE, "");
IConsoleClearCommand();
}
void IConsoleClearBuffer()
{
IConsoleLine::Reset();
}
void IConsoleGUIFree()
{
free(_iconsole_cmdline.buf);
IConsoleClearBuffer();
}
/** Change the size of the in-game console window after the screen size changed, or the window state changed. */
void IConsoleResize(Window *w)
{
switch (_iconsole_mode) {
case ICONSOLE_OPENED:
w->height = _screen.height / 3;
w->width = _screen.width;
break;
case ICONSOLE_FULL:
w->height = _screen.height - ICON_BOTTOM_BORDERWIDTH;
w->width = _screen.width;
break;
default: return;
}
MarkWholeScreenDirty();
}
/** Toggle in-game console between opened and closed. */
void IConsoleSwitch()
{
switch (_iconsole_mode) {
case ICONSOLE_CLOSED:
new IConsoleWindow();
break;
case ICONSOLE_OPENED: case ICONSOLE_FULL:
DeleteWindowById(WC_CONSOLE, 0);
break;
}
MarkWholeScreenDirty();
}
/** Close the in-game console. */
void IConsoleClose()
{
if (_iconsole_mode == ICONSOLE_OPENED) IConsoleSwitch();
}
/**
* Add the entered line into the history so you can look it back
* scroll, etc. Put it to the beginning as it is the latest text
* @param cmd Text to be entered into the 'history'
* @return the command to execute
*/
static const char *IConsoleHistoryAdd(const char *cmd)
{
/* Strip all spaces at the begin */
while (IsWhitespace(*cmd)) cmd++;
/* Do not put empty command in history */
if (StrEmpty(cmd)) return NULL;
/* Do not put in history if command is same as previous */
if (_iconsole_history[0] == NULL || strcmp(_iconsole_history[0], cmd) != 0) {
free(_iconsole_history[ICON_HISTORY_SIZE - 1]);
memmove(&_iconsole_history[1], &_iconsole_history[0], sizeof(_iconsole_history[0]) * (ICON_HISTORY_SIZE - 1));
_iconsole_history[0] = strdup(cmd);
}
/* Reset the history position */
IConsoleResetHistoryPos();
return _iconsole_history[0];
}
/**
* Navigate Up/Down in the history of typed commands
* @param direction Go further back in history (+1), go to recently typed commands (-1)
*/
static void IConsoleHistoryNavigate(int direction)
{
if (_iconsole_history[0] == NULL) return; // Empty history
int i = _iconsole_historypos + direction;
/* watch out for overflows, just wrap around */
if (i < 0) i = ICON_HISTORY_SIZE - 1;
if ((uint)i >= ICON_HISTORY_SIZE) i = 0;
if (direction > 0) {
if (_iconsole_history[i] == NULL) i = 0;
}
if (direction < 0) {
while (i > 0 && _iconsole_history[i] == NULL) i--;
}
_iconsole_historypos = i;
IConsoleClearCommand();
/* copy history to 'command prompt / bash' */
assert(_iconsole_history[i] != NULL && IsInsideMM(i, 0, ICON_HISTORY_SIZE));
ttd_strlcpy(_iconsole_cmdline.buf, _iconsole_history[i], _iconsole_cmdline.max_bytes);
UpdateTextBufferSize(&_iconsole_cmdline);
}
/**
* Handle the printing of text entered into the console or redirected there
* by any other means. Text can be redirected to other clients in a network game
* as well as to a logfile. If the network server is a dedicated server, all activities
* are also logged. All lines to print are added to a temporary buffer which can be
* used as a history to print them onscreen
* @param colour_code the colour of the command. Red in case of errors, etc.
* @param str the message entered or output on the console (notice, error, etc.)
*/
void IConsoleGUIPrint(ConsoleColour colour_code, char *str)
{
new IConsoleLine(str, (TextColour)colour_code);
SetWindowDirty(WC_CONSOLE, 0);
}
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