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Location: cpp/openttd-patchpack/source/src/console_gui.cpp - annotation
r26913:e7b3d514fe34
15.4 KiB
text/x-c
Revert 92c7551: Line drawing algorithm fix broke other cases (#10497)
This reverts commit 92c755161d6a467d33477bd0041fc720d7d9ba41.
This reverts commit 92c755161d6a467d33477bd0041fc720d7d9ba41.
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r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r17149:9460b4a23572 r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a r16961:63f09ebd622a | /*
* 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_type.h"
#include "window_gui.h"
#include "console_gui.h"
#include "console_internal.h"
#include "guitimer_func.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 "video/video_driver.hpp"
#include <deque>
#include <string>
#include "widgets/console_widget.h"
#include "table/strings.h"
#include "safeguards.h"
static const uint ICON_HISTORY_SIZE = 20;
static const uint ICON_RIGHT_BORDERWIDTH = 10;
static const uint ICON_BOTTOM_BORDERWIDTH = 12;
/**
* Container for a single line of console output
*/
struct IConsoleLine {
std::string buffer; ///< The data to store.
TextColour colour; ///< The colour of the line.
uint16 time; ///< The amount of time the line is in the backlog.
IConsoleLine() : buffer(), colour(TC_BEGIN), time(0)
{
}
/**
* Initialize the console line.
* @param buffer the data to print.
* @param colour the colour of the line.
*/
IConsoleLine(std::string buffer, TextColour colour) :
buffer(std::move(buffer)),
colour(colour),
time(0)
{
}
~IConsoleLine()
{
}
};
/** The console backlog buffer. Item index 0 is the newest line. */
static std::deque<IConsoleLine> _iconsole_buffer;
static bool TruncateBuffer();
/* ** main console cmd buffer ** */
static Textbuf _iconsole_cmdline(ICON_CMDLN_SIZE);
static char *_iconsole_history[ICON_HISTORY_SIZE];
static int _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 = -1;
}
static const char *IConsoleHistoryAdd(const char *cmd);
static void IConsoleHistoryNavigate(int direction);
static const struct NWidgetPart _nested_console_window_widgets[] = {
NWidget(WWT_EMPTY, INVALID_COLOUR, WID_C_BACKGROUND), SetResize(1, 1),
};
static WindowDesc _console_window_desc(
WDP_MANUAL, nullptr, 0, 0,
WC_CONSOLE, WC_NONE,
0,
_nested_console_window_widgets, lengthof(_nested_console_window_widgets)
);
struct IConsoleWindow : Window
{
static size_t scroll;
int line_height; ///< Height of one line of text in the console.
int line_offset;
GUITimer truncate_timer;
IConsoleWindow() : Window(&_console_window_desc)
{
_iconsole_mode = ICONSOLE_OPENED;
this->InitNested(0);
this->truncate_timer.SetInterval(3000);
ResizeWindow(this, _screen.width, _screen.height / 3);
}
void OnInit() override
{
this->line_height = FONT_HEIGHT_NORMAL + WidgetDimensions::scaled.hsep_normal;
this->line_offset = GetStringBoundingBox("] ").width + WidgetDimensions::scaled.frametext.left;
}
void Close() override
{
_iconsole_mode = ICONSOLE_CLOSED;
VideoDriver::GetInstance()->EditBoxLostFocus();
this->Window::Close();
}
/**
* Scroll the content of the console.
* @param amount Number of lines to scroll back.
*/
void Scroll(int amount)
{
if (amount < 0) {
size_t namount = (size_t) -amount;
IConsoleWindow::scroll = (namount > IConsoleWindow::scroll) ? 0 : IConsoleWindow::scroll - namount;
} else {
assert(this->height >= 0 && this->line_height > 0);
size_t visible_lines = (size_t)(this->height / this->line_height);
size_t max_scroll = (visible_lines > _iconsole_buffer.size()) ? 0 : _iconsole_buffer.size() + 1 - visible_lines;
IConsoleWindow::scroll = std::min<size_t>(IConsoleWindow::scroll + amount, max_scroll);
}
this->SetDirty();
}
void OnPaint() override
{
const int right = this->width - WidgetDimensions::scaled.frametext.right;
GfxFillRect(0, 0, this->width - 1, this->height - 1, PC_BLACK);
int ypos = this->height - this->line_height;
for (size_t line_index = IConsoleWindow::scroll; line_index < _iconsole_buffer.size(); line_index++) {
const IConsoleLine &print = _iconsole_buffer[line_index];
SetDParamStr(0, print.buffer);
ypos = DrawStringMultiLine(WidgetDimensions::scaled.frametext.left, right, -this->line_height, ypos, STR_JUST_RAW_STRING, print.colour, SA_LEFT | SA_BOTTOM | SA_FORCE) - WidgetDimensions::scaled.hsep_normal;
if (ypos < 0) 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(WidgetDimensions::scaled.frametext.left, right, this->height - this->line_height, "]", (TextColour)CC_COMMAND, SA_LEFT | SA_FORCE);
delta = 0;
}
/* If we have a marked area, draw a background highlight. */
if (_iconsole_cmdline.marklength != 0) GfxFillRect(this->line_offset + delta + _iconsole_cmdline.markxoffs, this->height - this->line_height, this->line_offset + delta + _iconsole_cmdline.markxoffs + _iconsole_cmdline.marklength, this->height - 1, PC_DARK_RED);
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);
}
}
void OnRealtimeTick(uint delta_ms) override
{
if (this->truncate_timer.CountElapsed(delta_ms) == 0) return;
assert(this->height >= 0 && this->line_height > 0);
size_t visible_lines = (size_t)(this->height / this->line_height);
if (TruncateBuffer() && IConsoleWindow::scroll + visible_lines > _iconsole_buffer.size()) {
size_t max_scroll = (visible_lines > _iconsole_buffer.size()) ? 0 : _iconsole_buffer.size() + 1 - visible_lines;
IConsoleWindow::scroll = std::min<size_t>(IConsoleWindow::scroll, max_scroll);
this->SetDirty();
}
}
void OnMouseLoop() override
{
if (_iconsole_cmdline.HandleCaret()) this->SetDirty();
}
EventState OnKeyPress(WChar key, uint16 keycode) override
{
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:
this->Scroll(-scroll_height);
break;
case WKC_SHIFT | WKC_PAGEUP:
this->Scroll(scroll_height);
break;
case WKC_SHIFT | WKC_DOWN:
this->Scroll(-1);
break;
case WKC_SHIFT | WKC_UP:
this->Scroll(1);
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 adding a left-to-right marker,
* otherwise it will be drawn at the wrong side with right-to-left texts. */
IConsolePrint(CC_COMMAND, LRM "] {}", _iconsole_cmdline.buf);
const char *cmd = IConsoleHistoryAdd(_iconsole_cmdline.buf);
IConsoleClearCommand();
if (cmd != nullptr) IConsoleCmdExec(cmd);
break;
}
case WKC_CTRL | WKC_RETURN:
_iconsole_mode = (_iconsole_mode == ICONSOLE_FULL) ? ICONSOLE_OPENED : ICONSOLE_FULL;
IConsoleResize(this);
MarkWholeScreenDirty();
break;
case (WKC_CTRL | 'L'):
IConsoleCmdExec("clear");
break;
default:
if (_iconsole_cmdline.HandleKeyPress(key, keycode) != HKPR_NOT_HANDLED) {
IConsoleWindow::scroll = 0;
IConsoleResetHistoryPos();
this->SetDirty();
} else {
return ES_NOT_HANDLED;
}
break;
}
return ES_HANDLED;
}
void InsertTextString(int wid, const char *str, bool marked, const char *caret, const char *insert_location, const char *replacement_end) override
{
if (_iconsole_cmdline.InsertString(str, marked, caret, insert_location, replacement_end)) {
IConsoleWindow::scroll = 0;
IConsoleResetHistoryPos();
this->SetDirty();
}
}
const char *GetFocusedText() const override
{
return _iconsole_cmdline.buf;
}
const char *GetCaret() const override
{
return _iconsole_cmdline.buf + _iconsole_cmdline.caretpos;
}
const char *GetMarkedText(size_t *length) const override
{
if (_iconsole_cmdline.markend == 0) return nullptr;
*length = _iconsole_cmdline.markend - _iconsole_cmdline.markpos;
return _iconsole_cmdline.buf + _iconsole_cmdline.markpos;
}
Point GetCaretPosition() const override
{
int delta = std::min<int>(this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH, 0);
Point pt = {this->line_offset + delta + _iconsole_cmdline.caretxoffs, this->height - this->line_height};
return pt;
}
Rect GetTextBoundingRect(const char *from, const char *to) const override
{
int delta = std::min<int>(this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH, 0);
Point p1 = GetCharPosInString(_iconsole_cmdline.buf, from, FS_NORMAL);
Point p2 = from != to ? GetCharPosInString(_iconsole_cmdline.buf, from) : p1;
Rect r = {this->line_offset + delta + p1.x, this->height - this->line_height, this->line_offset + delta + p2.x, this->height};
return r;
}
const char *GetTextCharacterAtPosition(const Point &pt) const override
{
int delta = std::min<int>(this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH, 0);
if (!IsInsideMM(pt.y, this->height - this->line_height, this->height)) return nullptr;
return GetCharAtPosition(_iconsole_cmdline.buf, pt.x - delta);
}
void OnMouseWheel(int wheel) override
{
this->Scroll(-wheel);
}
void OnFocus() override
{
VideoDriver::GetInstance()->EditBoxGainedFocus();
}
void OnFocusLost() override
{
VideoDriver::GetInstance()->EditBoxLostFocus();
}
};
size_t IConsoleWindow::scroll = 0;
void IConsoleGUIInit()
{
IConsoleResetHistoryPos();
_iconsole_mode = ICONSOLE_CLOSED;
IConsoleClearBuffer();
memset(_iconsole_history, 0, sizeof(_iconsole_history));
IConsolePrint(TC_LIGHT_BLUE, "OpenTTD Game Console Revision 7 - {}", _openttd_revision);
IConsolePrint(CC_WHITE, "------------------------------------");
IConsolePrint(CC_WHITE, "use \"help\" for more information.");
IConsolePrint(CC_WHITE, "");
IConsoleClearCommand();
}
void IConsoleClearBuffer()
{
_iconsole_buffer.clear();
}
void IConsoleGUIFree()
{
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:
CloseWindowById(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 nullptr;
/* Do not put in history if command is same as previous */
if (_iconsole_history[0] == nullptr || 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] = stredup(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] == nullptr) return; // Empty history
_iconsole_historypos = Clamp(_iconsole_historypos + direction, -1, ICON_HISTORY_SIZE - 1);
if (direction > 0 && _iconsole_history[_iconsole_historypos] == nullptr) _iconsole_historypos--;
if (_iconsole_historypos == -1) {
_iconsole_cmdline.DeleteAll();
} else {
_iconsole_cmdline.Assign(_iconsole_history[_iconsole_historypos]);
}
}
/**
* 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(TextColour colour_code, char *str)
{
_iconsole_buffer.push_front(IConsoleLine(str, colour_code));
SetWindowDirty(WC_CONSOLE, 0);
}
/**
* Remove old lines from the backlog buffer.
* The buffer is limited by a maximum size and a minimum age. Every time truncation runs,
* all lines in the buffer are aged by one. When a line exceeds both the maximum position
* and also the maximum age, it gets removed.
* @return true if any lines were removed
*/
static bool TruncateBuffer()
{
bool need_truncation = false;
size_t count = 0;
for (IConsoleLine &line : _iconsole_buffer) {
count++;
line.time++;
if (line.time > _settings_client.gui.console_backlog_timeout && count > _settings_client.gui.console_backlog_length) {
/* Any messages after this are older and need to be truncated */
need_truncation = true;
break;
}
}
if (need_truncation) {
_iconsole_buffer.resize(count - 1);
}
return need_truncation;
}
/**
* Check whether the given TextColour is valid for console usage.
* @param c The text colour to compare to.
* @return true iff the TextColour is valid for console usage.
*/
bool IsValidConsoleColour(TextColour c)
{
/* A normal text colour is used. */
if (!(c & TC_IS_PALETTE_COLOUR)) return TC_BEGIN <= c && c < TC_END;
/* A text colour from the palette is used; must be the company
* colour gradient, so it must be one of those. */
c &= ~TC_IS_PALETTE_COLOUR;
for (uint i = COLOUR_BEGIN; i < COLOUR_END; i++) {
if (_colour_gradient[i][4] == c) return true;
}
return false;
}
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