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Location: cpp/openttd-patchpack/source/src/network/network_chat_gui.cpp - annotation
r26745:baeac55e5810
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text/x-c
Codechange: use smart pointers when creating StringIterators
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r17642:ab10f4b22179 r11836:d3ae31debc7a r11836:d3ae31debc7a r18686:dfaaba643efc r18686:dfaaba643efc r11836:d3ae31debc7a r26649:a9fe1c9a1109 r18686:dfaaba643efc r13120:84f318085b42 r18686:dfaaba643efc r11836:d3ae31debc7a r11836:d3ae31debc7a r11836:d3ae31debc7a r11836:d3ae31debc7a r11836:d3ae31debc7a r17642:ab10f4b22179 r20280:ca1fc41725ff r23607:36c15679007d r11840:5caad0535596 r13739:747ed1f003e3 r13554:d1964ead02ee r11840:5caad0535596 r11840:5caad0535596 r17642:ab10f4b22179 r17642:ab10f4b22179 r17642:ab10f4b22179 r17642:ab10f4b22179 r17642:ab10f4b22179 r17642:ab10f4b22179 r9898:bbef3303e005 r9898:bbef3303e005 r25565:6a5de7df7ea1 r13220:c788cc7e3fde r9898:bbef3303e005 | /*
* 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 network_chat_gui.cpp GUI for handling chat messages. */
#include "../stdafx.h"
#include "../strings_func.h"
#include "../blitter/factory.hpp"
#include "../console_func.h"
#include "../video/video_driver.hpp"
#include "../querystring_gui.h"
#include "../town.h"
#include "../window_func.h"
#include "../toolbar_gui.h"
#include "../core/geometry_func.hpp"
#include "../zoom_func.h"
#include "network.h"
#include "network_client.h"
#include "network_base.h"
#include "../widgets/network_chat_widget.h"
#include "table/strings.h"
#include <stdarg.h> /* va_list */
#include <deque>
#include "../safeguards.h"
/** The draw buffer must be able to contain the chat message, client name and the "[All]" message,
* some spaces and possible translations of [All] to other languages. */
static_assert((int)DRAW_STRING_BUFFER >= (int)NETWORK_CHAT_LENGTH + NETWORK_NAME_LENGTH + 40);
/** Spacing between chat lines. */
static const uint NETWORK_CHAT_LINE_SPACING = 3;
/** Container for a message. */
struct ChatMessage {
std::string message; ///< The action message.
TextColour colour; ///< The colour of the message.
std::chrono::steady_clock::time_point remove_time; ///< The time to remove the message.
};
/* used for chat window */
static std::deque<ChatMessage> _chatmsg_list; ///< The actual chat message list.
static bool _chatmessage_dirty = false; ///< Does the chat message need repainting?
static bool _chatmessage_visible = false; ///< Is a chat message visible.
static bool _chat_tab_completion_active; ///< Whether tab completion is active.
static uint MAX_CHAT_MESSAGES = 0; ///< The limit of chat messages to show.
/**
* Time the chat history was marked dirty. This is used to determine if expired
* messages have recently expired and should cause a redraw to hide them.
*/
static std::chrono::steady_clock::time_point _chatmessage_dirty_time;
/**
* The chatbox grows from the bottom so the coordinates are pixels from
* the left and pixels from the bottom. The height is the maximum height.
*/
static PointDimension _chatmsg_box;
static uint8 *_chatmessage_backup = nullptr; ///< Backup in case text is moved.
/**
* Test if there are any chat messages to display.
* @param show_all Set if all messages should be included, instead of unexpired only.
* @return True iff there are chat messages to display.
*/
static inline bool HaveChatMessages(bool show_all)
{
if (show_all) return _chatmsg_list.size() != 0;
auto now = std::chrono::steady_clock::now();
for (auto &cmsg : _chatmsg_list) {
if (cmsg.remove_time >= now) return true;
}
return false;
}
/**
* Add a text message to the 'chat window' to be shown
* @param colour The colour this message is to be shown in
* @param duration The duration of the chat message in seconds
* @param message message itself in printf() style
*/
void CDECL NetworkAddChatMessage(TextColour colour, uint duration, const std::string &message)
{
if (_chatmsg_list.size() == MAX_CHAT_MESSAGES) {
_chatmsg_list.pop_back();
}
ChatMessage *cmsg = &_chatmsg_list.emplace_front();
cmsg->message = message;
cmsg->colour = colour;
cmsg->remove_time = std::chrono::steady_clock::now() + std::chrono::seconds(duration);
_chatmessage_dirty_time = std::chrono::steady_clock::now();
_chatmessage_dirty = true;
}
/** Initialize all font-dependent chat box sizes. */
void NetworkReInitChatBoxSize()
{
_chatmsg_box.y = 3 * FONT_HEIGHT_NORMAL;
_chatmsg_box.height = MAX_CHAT_MESSAGES * (FONT_HEIGHT_NORMAL + ScaleGUITrad(NETWORK_CHAT_LINE_SPACING)) + ScaleGUITrad(4);
_chatmessage_backup = ReallocT(_chatmessage_backup, static_cast<size_t>(_chatmsg_box.width) * _chatmsg_box.height * BlitterFactory::GetCurrentBlitter()->GetBytesPerPixel());
}
/** Initialize all buffers of the chat visualisation. */
void NetworkInitChatMessage()
{
MAX_CHAT_MESSAGES = _settings_client.gui.network_chat_box_height;
_chatmsg_list.clear();
_chatmsg_box.x = ScaleGUITrad(10);
_chatmsg_box.width = _settings_client.gui.network_chat_box_width_pct * _screen.width / 100;
NetworkReInitChatBoxSize();
_chatmessage_visible = false;
}
/** Hide the chatbox */
void NetworkUndrawChatMessage()
{
/* Sometimes we also need to hide the cursor
* This is because both textmessage and the cursor take a shot of the
* screen before drawing.
* Now the textmessage takes its shot and paints its data before the cursor
* does, so in the shot of the cursor is the screen-data of the textmessage
* included when the cursor hangs somewhere over the textmessage. To
* avoid wrong repaints, we undraw the cursor in that case, and everything
* looks nicely ;)
* (and now hope this story above makes sense to you ;))
*/
if (_cursor.visible &&
_cursor.draw_pos.x + _cursor.draw_size.x >= _chatmsg_box.x &&
_cursor.draw_pos.x <= _chatmsg_box.x + _chatmsg_box.width &&
_cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _chatmsg_box.y - _chatmsg_box.height &&
_cursor.draw_pos.y <= _screen.height - _chatmsg_box.y) {
UndrawMouseCursor();
}
if (_chatmessage_visible) {
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
int x = _chatmsg_box.x;
int y = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
int width = _chatmsg_box.width;
int height = _chatmsg_box.height;
if (y < 0) {
height = std::max(height + y, std::min(_chatmsg_box.height, _screen.height));
y = 0;
}
if (x + width >= _screen.width) {
width = _screen.width - x;
}
if (width <= 0 || height <= 0) return;
_chatmessage_visible = false;
/* Put our 'shot' back to the screen */
blitter->CopyFromBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
/* And make sure it is updated next time */
VideoDriver::GetInstance()->MakeDirty(x, y, width, height);
_chatmessage_dirty_time = std::chrono::steady_clock::now();
_chatmessage_dirty = true;
}
}
/** Check if a message is expired. */
void NetworkChatMessageLoop()
{
auto now = std::chrono::steady_clock::now();
for (auto &cmsg : _chatmsg_list) {
/* Message has expired, remove from the list */
if (now > cmsg.remove_time && _chatmessage_dirty_time < cmsg.remove_time) {
_chatmessage_dirty_time = now;
_chatmessage_dirty = true;
break;
}
}
}
/** Draw the chat message-box */
void NetworkDrawChatMessage()
{
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
if (!_chatmessage_dirty) return;
const Window *w = FindWindowByClass(WC_SEND_NETWORK_MSG);
bool show_all = (w != nullptr);
/* First undraw if needed */
NetworkUndrawChatMessage();
if (_iconsole_mode == ICONSOLE_FULL) return;
/* Check if we have anything to draw at all */
if (!HaveChatMessages(show_all)) return;
int x = _chatmsg_box.x;
int y = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
int width = _chatmsg_box.width;
int height = _chatmsg_box.height;
if (y < 0) {
height = std::max(height + y, std::min(_chatmsg_box.height, _screen.height));
y = 0;
}
if (x + width >= _screen.width) {
width = _screen.width - x;
}
if (width <= 0 || height <= 0) return;
assert(blitter->BufferSize(width, height) <= static_cast<size_t>(_chatmsg_box.width) * _chatmsg_box.height * blitter->GetBytesPerPixel());
/* Make a copy of the screen as it is before painting (for undraw) */
blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
_cur_dpi = &_screen; // switch to _screen painting
auto now = std::chrono::steady_clock::now();
int string_height = 0;
for (auto &cmsg : _chatmsg_list) {
if (!show_all && cmsg.remove_time < now) continue;
SetDParamStr(0, cmsg.message);
string_height += GetStringLineCount(STR_JUST_RAW_STRING, width - 1) * FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING;
}
string_height = std::min<uint>(string_height, MAX_CHAT_MESSAGES * (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING));
int top = _screen.height - _chatmsg_box.y - string_height - 2;
int bottom = _screen.height - _chatmsg_box.y - 2;
/* Paint a half-transparent box behind the chat messages */
GfxFillRect(_chatmsg_box.x, top - 2, _chatmsg_box.x + _chatmsg_box.width - 1, bottom,
PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR // black, but with some alpha for background
);
/* Paint the chat messages starting with the lowest at the bottom */
int ypos = bottom - 2;
for (auto &cmsg : _chatmsg_list) {
if (!show_all && cmsg.remove_time < now) continue;
ypos = DrawStringMultiLine(_chatmsg_box.x + ScaleGUITrad(3), _chatmsg_box.x + _chatmsg_box.width - 1, top, ypos, cmsg.message, cmsg.colour, SA_LEFT | SA_BOTTOM | SA_FORCE) - NETWORK_CHAT_LINE_SPACING;
if (ypos < top) break;
}
/* Make sure the data is updated next flush */
VideoDriver::GetInstance()->MakeDirty(x, y, width, height);
_chatmessage_visible = true;
_chatmessage_dirty = false;
}
/**
* Send an actual chat message.
* @param buf The message to send.
* @param type The type of destination.
* @param dest The actual destination index.
*/
static void SendChat(const std::string &buf, DestType type, int dest)
{
if (buf.empty()) return;
if (!_network_server) {
MyClient::SendChat((NetworkAction)(NETWORK_ACTION_CHAT + type), type, dest, buf, 0);
} else {
NetworkServerSendChat((NetworkAction)(NETWORK_ACTION_CHAT + type), type, dest, buf, CLIENT_ID_SERVER);
}
}
/** Window to enter the chat message in. */
struct NetworkChatWindow : public Window {
DestType dtype; ///< The type of destination.
int dest; ///< The identifier of the destination.
QueryString message_editbox; ///< Message editbox.
/**
* Create a chat input window.
* @param desc Description of the looks of the window.
* @param type The type of destination.
* @param dest The actual destination index.
*/
NetworkChatWindow(WindowDesc *desc, DestType type, int dest) : Window(desc), message_editbox(NETWORK_CHAT_LENGTH)
{
this->dtype = type;
this->dest = dest;
this->querystrings[WID_NC_TEXTBOX] = &this->message_editbox;
this->message_editbox.cancel_button = WID_NC_CLOSE;
this->message_editbox.ok_button = WID_NC_SENDBUTTON;
static const StringID chat_captions[] = {
STR_NETWORK_CHAT_ALL_CAPTION,
STR_NETWORK_CHAT_COMPANY_CAPTION,
STR_NETWORK_CHAT_CLIENT_CAPTION
};
assert((uint)this->dtype < lengthof(chat_captions));
this->CreateNestedTree();
this->GetWidget<NWidgetCore>(WID_NC_DESTINATION)->widget_data = chat_captions[this->dtype];
this->FinishInitNested(type);
this->SetFocusedWidget(WID_NC_TEXTBOX);
InvalidateWindowData(WC_NEWS_WINDOW, 0, this->height);
_chat_tab_completion_active = false;
PositionNetworkChatWindow(this);
}
void Close() override
{
InvalidateWindowData(WC_NEWS_WINDOW, 0, 0);
this->Window::Close();
}
void FindWindowPlacementAndResize(int def_width, int def_height) override
{
Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
}
/**
* Find the next item of the list of things that can be auto-completed.
* @param item The current indexed item to return. This function can, and most
* likely will, alter item, to skip empty items in the arrays.
* @return Returns the char that matched to the index.
*/
const char *ChatTabCompletionNextItem(uint *item)
{
static char chat_tab_temp_buffer[64];
/* First, try clients */
if (*item < MAX_CLIENT_SLOTS) {
/* Skip inactive clients */
for (NetworkClientInfo *ci : NetworkClientInfo::Iterate(*item)) {
*item = ci->index;
return ci->client_name.c_str();
}
*item = MAX_CLIENT_SLOTS;
}
/* Then, try townnames
* Not that the following assumes all town indices are adjacent, ie no
* towns have been deleted. */
if (*item < (uint)MAX_CLIENT_SLOTS + Town::GetPoolSize()) {
for (const Town *t : Town::Iterate(*item - MAX_CLIENT_SLOTS)) {
/* Get the town-name via the string-system */
SetDParam(0, t->index);
GetString(chat_tab_temp_buffer, STR_TOWN_NAME, lastof(chat_tab_temp_buffer));
return &chat_tab_temp_buffer[0];
}
}
return nullptr;
}
/**
* Find what text to complete. It scans for a space from the left and marks
* the word right from that as to complete. It also writes a \0 at the
* position of the space (if any). If nothing found, buf is returned.
*/
static char *ChatTabCompletionFindText(char *buf)
{
char *p = strrchr(buf, ' ');
if (p == nullptr) return buf;
*p = '\0';
return p + 1;
}
/**
* See if we can auto-complete the current text of the user.
*/
void ChatTabCompletion()
{
static char _chat_tab_completion_buf[NETWORK_CHAT_LENGTH];
assert(this->message_editbox.text.max_bytes == lengthof(_chat_tab_completion_buf));
Textbuf *tb = &this->message_editbox.text;
size_t len, tb_len;
uint item;
char *tb_buf, *pre_buf;
const char *cur_name;
bool second_scan = false;
item = 0;
/* Copy the buffer so we can modify it without damaging the real data */
pre_buf = (_chat_tab_completion_active) ? stredup(_chat_tab_completion_buf) : stredup(tb->buf);
tb_buf = ChatTabCompletionFindText(pre_buf);
tb_len = strlen(tb_buf);
while ((cur_name = ChatTabCompletionNextItem(&item)) != nullptr) {
item++;
if (_chat_tab_completion_active) {
/* We are pressing TAB again on the same name, is there another name
* that starts with this? */
if (!second_scan) {
size_t offset;
size_t length;
/* If we are completing at the begin of the line, skip the ': ' we added */
if (tb_buf == pre_buf) {
offset = 0;
length = (tb->bytes - 1) - 2;
} else {
/* Else, find the place we are completing at */
offset = strlen(pre_buf) + 1;
length = (tb->bytes - 1) - offset;
}
/* Compare if we have a match */
if (strlen(cur_name) == length && strncmp(cur_name, tb->buf + offset, length) == 0) second_scan = true;
continue;
}
/* Now any match we make on _chat_tab_completion_buf after this, is perfect */
}
len = strlen(cur_name);
if (tb_len < len && strncasecmp(cur_name, tb_buf, tb_len) == 0) {
/* Save the data it was before completion */
if (!second_scan) seprintf(_chat_tab_completion_buf, lastof(_chat_tab_completion_buf), "%s", tb->buf);
_chat_tab_completion_active = true;
/* Change to the found name. Add ': ' if we are at the start of the line (pretty) */
if (pre_buf == tb_buf) {
this->message_editbox.text.Print("%s: ", cur_name);
} else {
this->message_editbox.text.Print("%s %s", pre_buf, cur_name);
}
this->SetDirty();
free(pre_buf);
return;
}
}
if (second_scan) {
/* We walked all possibilities, and the user presses tab again.. revert to original text */
this->message_editbox.text.Assign(_chat_tab_completion_buf);
_chat_tab_completion_active = false;
this->SetDirty();
}
free(pre_buf);
}
Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number) override
{
Point pt = { 0, _screen.height - sm_height - FindWindowById(WC_STATUS_BAR, 0)->height };
return pt;
}
void SetStringParameters(int widget) const override
{
if (widget != WID_NC_DESTINATION) return;
if (this->dtype == DESTTYPE_CLIENT) {
SetDParamStr(0, NetworkClientInfo::GetByClientID((ClientID)this->dest)->client_name);
}
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_NC_SENDBUTTON: /* Send */
SendChat(this->message_editbox.text.buf, this->dtype, this->dest);
FALLTHROUGH;
case WID_NC_CLOSE: /* Cancel */
this->Close();
break;
}
}
EventState OnKeyPress(WChar key, uint16 keycode) override
{
EventState state = ES_NOT_HANDLED;
if (keycode == WKC_TAB) {
ChatTabCompletion();
state = ES_HANDLED;
}
return state;
}
void OnEditboxChanged(int wid) override
{
_chat_tab_completion_active = false;
}
/**
* Some data on this window has become invalid.
* @param data Information about the changed data.
* @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
*/
void OnInvalidateData(int data = 0, bool gui_scope = true) override
{
if (data == this->dest) this->Close();
}
};
/** The widgets of the chat window. */
static const NWidgetPart _nested_chat_window_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY, WID_NC_CLOSE),
NWidget(WWT_PANEL, COLOUR_GREY, WID_NC_BACKGROUND),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_TEXT, COLOUR_GREY, WID_NC_DESTINATION), SetMinimalSize(62, 12), SetPadding(1, 0, 1, 0), SetAlignment(SA_VERT_CENTER | SA_RIGHT), SetDataTip(STR_NULL, STR_NULL),
NWidget(WWT_EDITBOX, COLOUR_GREY, WID_NC_TEXTBOX), SetMinimalSize(100, 12), SetPadding(1, 0, 1, 0), SetResize(1, 0),
SetDataTip(STR_NETWORK_CHAT_OSKTITLE, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_NC_SENDBUTTON), SetMinimalSize(62, 12), SetPadding(1, 0, 1, 0), SetDataTip(STR_NETWORK_CHAT_SEND, STR_NULL),
EndContainer(),
EndContainer(),
EndContainer(),
};
/** The description of the chat window. */
static WindowDesc _chat_window_desc(
WDP_MANUAL, nullptr, 0, 0,
WC_SEND_NETWORK_MSG, WC_NONE,
0,
_nested_chat_window_widgets, lengthof(_nested_chat_window_widgets)
);
/**
* Show the chat window.
* @param type The type of destination.
* @param dest The actual destination index.
*/
void ShowNetworkChatQueryWindow(DestType type, int dest)
{
CloseWindowByClass(WC_SEND_NETWORK_MSG);
new NetworkChatWindow(&_chat_window_desc, type, dest);
}
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