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OpenTTD-patches/src/news_gui.cpp
truelight dc191785db (svn r9844) -Codechange: replace zoomlevel with an enum 
-Codechange: use predefined enums for viewport zoomlevels
2007-05-15 14:08:39 +00:00

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/* $Id$ */
/** @file news_gui.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "functions.h"
#include "strings.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "window.h"
#include "gui.h"
#include "viewport.h"
#include "gfx.h"
#include "news.h"
#include "vehicle.h"
#include "sound.h"
#include "variables.h"
#include "date.h"
#include "string.h"
/* News system
* News system is realized as a FIFO queue (in an array)
* The positions in the queue can't be rearranged, we only access
* the array elements through pointers to the elements. Once the
* array is full, the oldest entry (_oldest_news) is being overwritten
* by the newest (_latest news).
*
* oldest current lastest
* | | |
* [O------------F-------------C---------L ]
* |
* forced
*
* Of course by using an array we can have situations like
*
* [----L O-----F---------C-----------------]
* This is where we have wrapped around the array and have
* (MAX_NEWS - O) + L news items
*/
#define MAX_NEWS 30
#define NB_WIDG_PER_SETTING 4
typedef byte NewsID;
#define INVALID_NEWS 255
static NewsItem _news_items[MAX_NEWS];
static NewsID _current_news = INVALID_NEWS; // points to news item that should be shown next
static NewsID _oldest_news = 0; // points to first item in fifo queue
static NewsID _latest_news = INVALID_NEWS; // points to last item in fifo queue
/* if the message being shown was forced by the user, its index is stored in
* _forced_news. forced_news is INVALID_NEWS otherwise.
* (Users can force messages through history or "last message") */
static NewsID _forced_news = INVALID_NEWS;
static byte _total_news = 0; // total news count
void DrawNewsNewVehicleAvail(Window *w);
void DrawNewsBankrupcy(Window *w);
static void MoveToNextItem();
StringID GetNewsStringNewVehicleAvail(const NewsItem *ni);
StringID GetNewsStringBankrupcy(const NewsItem *ni);
static DrawNewsCallbackProc * const _draw_news_callback[] = {
DrawNewsNewVehicleAvail, //< DNC_VEHICLEAVAIL
DrawNewsBankrupcy, //< DNC_BANKRUPCY
};
extern GetNewsStringCallbackProc * const _get_news_string_callback[];
GetNewsStringCallbackProc * const _get_news_string_callback[] = {
GetNewsStringNewVehicleAvail, ///< DNC_VEHICLEAVAIL
GetNewsStringBankrupcy, ///< DNC_BANKRUPCY
};
void InitNewsItemStructs()
{
memset(_news_items, 0, sizeof(_news_items));
_current_news = INVALID_NEWS;
_oldest_news = 0;
_latest_news = INVALID_NEWS;
_forced_news = INVALID_NEWS;
_total_news = 0;
}
void DrawNewsBorder(const Window *w)
{
int left = 0;
int right = w->width - 1;
int top = 0;
int bottom = w->height - 1;
GfxFillRect(left, top, right, bottom, 0xF);
GfxFillRect(left, top, left, bottom, 0xD7);
GfxFillRect(right, top, right, bottom, 0xD7);
GfxFillRect(left, top, right, top, 0xD7);
GfxFillRect(left, bottom, right, bottom, 0xD7);
DrawString(left + 2, top + 1, STR_00C6, 0);
}
static void NewsWindowProc(Window *w, WindowEvent *e)
{
switch (e->event) {
case WE_CREATE: { // If chatbar is open at creation time, we need to go above it
const Window *w1 = FindWindowById(WC_SEND_NETWORK_MSG, 0);
w->message.msg = (w1 != NULL) ? w1->height : 0;
} break;
case WE_PAINT: {
const NewsItem *ni = WP(w, news_d).ni;
ViewPort *vp;
switch (ni->display_mode) {
case NM_NORMAL:
case NM_THIN: {
DrawNewsBorder(w);
DrawString(2, 1, STR_00C6, 0);
SetDParam(0, ni->date);
DrawStringRightAligned(428, 1, STR_01FF, 0);
if (!(ni->flags & NF_VIEWPORT)) {
COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
DrawStringMultiCenter(215, ni->display_mode == NM_NORMAL ? 76 : 56,
ni->string_id, w->width - 4);
} else {
/* Back up transparency options to draw news view */
byte to_backup = _transparent_opt;
_transparent_opt = 0;
DrawWindowViewport(w);
_transparent_opt = to_backup;
/* Shade the viewport into gray, or color*/
vp = w->viewport;
GfxFillRect(vp->left - w->left, vp->top - w->top,
vp->left - w->left + vp->width - 1, vp->top - w->top + vp->height - 1,
(ni->flags & NF_INCOLOR ? PALETTE_TO_TRANSPARENT : PALETTE_TO_STRUCT_GREY) | (1 << USE_COLORTABLE)
);
COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
DrawStringMultiCenter(w->width / 2, 20, ni->string_id, w->width - 4);
}
break;
}
case NM_CALLBACK: {
_draw_news_callback[ni->callback](w);
break;
}
default: {
DrawWindowWidgets(w);
if (!(ni->flags & NF_VIEWPORT)) {
COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
DrawStringMultiCenter(140, 38, ni->string_id, 276);
} else {
DrawWindowViewport(w);
COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
DrawStringMultiCenter(w->width / 2, w->height - 16, ni->string_id, w->width - 4);
}
break;
}
}
} break;
case WE_CLICK: {
switch (e->we.click.widget) {
case 1: {
NewsItem *ni = WP(w, news_d).ni;
DeleteWindow(w);
ni->duration = 0;
_forced_news = INVALID_NEWS;
} break;
case 0: {
NewsItem *ni = WP(w, news_d).ni;
if (ni->flags & NF_VEHICLE) {
Vehicle *v = GetVehicle(ni->data_a);
ScrollMainWindowTo(v->x_pos, v->y_pos);
} else if (ni->flags & NF_TILE) {
if (!ScrollMainWindowToTile(ni->data_a) && ni->data_b != 0)
ScrollMainWindowToTile(ni->data_b);
}
} break;
}
} break;
case WE_KEYPRESS:
if (e->we.keypress.keycode == WKC_SPACE) {
/* Don't continue. */
e->we.keypress.cont = false;
DeleteWindow(w);
}
break;
case WE_MESSAGE: // The chatbar has notified us that is was either created or closed
switch (e->we.message.msg) {
case WE_CREATE: w->message.msg = e->we.message.wparam; break;
case WE_DESTROY: w->message.msg = 0; break;
}
break;
case WE_TICK: { // Scroll up newsmessages from the bottom in steps of 4 pixels
int diff;
int y = max(w->top - 4, _screen.height - w->height - 12 - w->message.msg);
if (y == w->top) return;
if (w->viewport != NULL)
w->viewport->top += y - w->top;
diff = delta(w->top, y);
w->top = y;
SetDirtyBlocks(w->left, w->top - diff, w->left + w->width, w->top + w->height);
} break;
}
}
/** Return the correct index in the pseudo-fifo
* queue and deals with overflows when increasing the index */
static inline NewsID increaseIndex(NewsID i)
{
assert(i != INVALID_NEWS);
return (i + 1) % MAX_NEWS;
}
/** Return the correct index in the pseudo-fifo
* queue and deals with overflows when decreasing the index */
static inline NewsID decreaseIndex(NewsID i)
{
assert(i != INVALID_NEWS);
return (i + MAX_NEWS - 1) % MAX_NEWS;
}
/** Add a new newsitem to be shown.
* @param string String to display, can have special values based on parameter 'flags'
* @param flags various control bits that will show various news-types. See macro NEWS_FLAGS()
* @param data_a news-specific value based on news type
* @param data_b news-specific value based on news type
* @note flags exists of 4 byte-sized extra parameters.
* 1. 0 - 7 display_mode, any of the NewsMode enums (NM_)
* 2. 8 - 15 news flags, any of the NewsFlags enums (NF_) NF_INCOLOR are set automatically if needed
* 3. 16 - 23 news category, any of the NewsType enums (NT_)
* 4. 24 - 31 news callback function, any of the NewsCallback enums (DNC_)
* If the display mode is NM_CALLBACK special news is shown and parameter
* stringid has a special meaning.
* DNC_TRAINAVAIL, DNC_ROADAVAIL, DNC_SHIPAVAIL, DNC_AIRCRAFTAVAIL: StringID is
* the index of the engine that is shown
* DNC_BANKRUPCY: bytes 0-3 of StringID contains the player that is in trouble,
* and 4-7 contains what kind of bankrupcy message is shown, NewsBankrupcy enum (NB_)
* @see NewsMode
* @see NewsFlags
* @see NewsType
* @see NewsCallback */
void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b)
{
NewsID l_news;
if (_game_mode == GM_MENU) return;
/* check the rare case that the oldest (to be overwritten) news item is open */
if (_total_news == MAX_NEWS && (_oldest_news == _current_news || _oldest_news == _forced_news))
MoveToNextItem();
if (_total_news < MAX_NEWS) _total_news++;
/* Increase _latest_news. If we have no news yet, use _oldest news as an
* index. We cannot use 0 as _oldest_news can jump around due to
* DeleteVehicleNews */
l_news = _latest_news;
_latest_news = (_latest_news == INVALID_NEWS) ? _oldest_news : increaseIndex(_latest_news);
/* If the fifo-buffer is full, overwrite the oldest entry */
if (l_news != INVALID_NEWS && _latest_news == _oldest_news) {
assert(_total_news == MAX_NEWS);
_oldest_news = increaseIndex(_oldest_news);
}
/*DEBUG(misc, 0, "+cur %3d, old %2d, lat %3d, for %3d, tot %2d",
_current_news, _oldest_news, _latest_news, _forced_news, _total_news);*/
/* Add news to _latest_news */
{
Window *w;
NewsItem *ni = &_news_items[_latest_news];
memset(ni, 0, sizeof(*ni));
ni->string_id = string;
ni->display_mode = (byte)flags;
ni->flags = (byte)(flags >> 8);
/* show this news message in color? */
if (_cur_year >= _patches.colored_news_year) ni->flags |= NF_INCOLOR;
ni->type = (byte)(flags >> 16);
ni->callback = (byte)(flags >> 24);
ni->data_a = data_a;
ni->data_b = data_b;
ni->date = _date;
COPY_OUT_DPARAM(ni->params, 0, lengthof(ni->params));
w = FindWindowById(WC_MESSAGE_HISTORY, 0);
if (w == NULL) return;
SetWindowDirty(w);
w->vscroll.count = _total_news;
}
}
/* Don't show item if it's older than x days, corresponds with NewsType in news.h */
static const byte _news_items_age[] = {60, 60, 90, 60, 90, 30, 150, 30, 90, 180};
static const Widget _news_type13_widgets[] = {
{ WWT_PANEL, RESIZE_NONE, 15, 0, 429, 0, 169, 0x0, STR_NULL},
{ WWT_PANEL, RESIZE_NONE, 15, 0, 10, 0, 11, 0x0, STR_NULL},
{ WIDGETS_END},
};
static WindowDesc _news_type13_desc = {
WDP_CENTER, 476, 430, 170,
WC_NEWS_WINDOW, WC_NONE,
WDF_DEF_WIDGET,
_news_type13_widgets,
NewsWindowProc
};
static const Widget _news_type2_widgets[] = {
{ WWT_PANEL, RESIZE_NONE, 15, 0, 429, 0, 129, 0x0, STR_NULL},
{ WWT_PANEL, RESIZE_NONE, 15, 0, 10, 0, 11, 0x0, STR_NULL},
{ WIDGETS_END},
};
static WindowDesc _news_type2_desc = {
WDP_CENTER, 476, 430, 130,
WC_NEWS_WINDOW, WC_NONE,
WDF_DEF_WIDGET,
_news_type2_widgets,
NewsWindowProc
};
static const Widget _news_type0_widgets[] = {
{ WWT_PANEL, RESIZE_NONE, 5, 0, 279, 14, 86, 0x0, STR_NULL},
{ WWT_CLOSEBOX, RESIZE_NONE, 5, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 5, 11, 279, 0, 13, STR_012C_MESSAGE, STR_NULL},
{ WWT_INSET, RESIZE_NONE, 5, 2, 277, 16, 64, 0x0, STR_NULL},
{ WIDGETS_END},
};
static WindowDesc _news_type0_desc = {
WDP_CENTER, 476, 280, 87,
WC_NEWS_WINDOW, WC_NONE,
WDF_DEF_WIDGET,
_news_type0_widgets,
NewsWindowProc
};
static const SoundFx _news_sounds[NT_END] = {
SND_1D_APPLAUSE,
SND_1D_APPLAUSE,
SND_BEGIN,
SND_BEGIN,
SND_BEGIN,
SND_BEGIN,
SND_BEGIN,
SND_1E_OOOOH,
SND_BEGIN,
SND_BEGIN,
SND_BEGIN,
};
const char *_news_display_name[NT_END] = {
"arrival_player",
"arrival_other",
"accident",
"company_info",
"openclose",
"economy",
"advice",
"new_vehicles",
"acceptance",
"subsidies",
"general",
};
/** Get the value of an item of the news-display settings. This is
* a little tricky since on/off/summary must use 2 bits to store the value
* @param item the item whose value is requested
* @return return the found value which is between 0-2
*/
static inline byte GetNewsDisplayValue(byte item)
{
assert(item < NT_END && GB(_news_display_opt, item * 2, 2) <= 2);
return GB(_news_display_opt, item * 2, 2);
}
/** Set the value of an item in the news-display settings. This is
* a little tricky since on/off/summary must use 2 bits to store the value
* @param item the item whose value is being set
* @param val new value
*/
static inline void SetNewsDisplayValue(byte item, byte val)
{
assert(item < NT_END && val <= 2);
SB(_news_display_opt, item * 2, 2, val);
}
/* open up an own newspaper window for the news item */
static void ShowNewspaper(NewsItem *ni)
{
Window *w;
SoundFx sound;
int top;
ni->flags &= ~NF_FORCE_BIG;
ni->duration = 555;
sound = _news_sounds[ni->type];
if (sound != 0) SndPlayFx(sound);
top = _screen.height;
switch (ni->display_mode) {
case NM_NORMAL:
case NM_CALLBACK: {
_news_type13_desc.top = top;
w = AllocateWindowDesc(&_news_type13_desc);
if (ni->flags & NF_VIEWPORT)
AssignWindowViewport(w, 2, 58, 0x1AA, 0x6E,
ni->data_a | (ni->flags & NF_VEHICLE ? 0x80000000 : 0), ZOOM_LVL_NEWS);
break;
}
case NM_THIN: {
_news_type2_desc.top = top;
w = AllocateWindowDesc(&_news_type2_desc);
if (ni->flags & NF_VIEWPORT)
AssignWindowViewport(w, 2, 58, 0x1AA, 0x46,
ni->data_a | (ni->flags & NF_VEHICLE ? 0x80000000 : 0), ZOOM_LVL_NEWS);
break;
}
default: {
_news_type0_desc.top = top;
w = AllocateWindowDesc(&_news_type0_desc);
if (ni->flags & NF_VIEWPORT)
AssignWindowViewport(w, 3, 17, 0x112, 0x2F,
ni->data_a | (ni->flags & NF_VEHICLE ? 0x80000000 : 0), ZOOM_LVL_NEWS);
break;
}
}
/*DEBUG(misc, 0, " cur %3d, old %2d, lat %3d, for %3d, tot %2d",
_current_news, _oldest_news, _latest_news, _forced_news, _total_news);*/
WP(w, news_d).ni = &_news_items[_forced_news == INVALID_NEWS ? _current_news : _forced_news];
w->flags4 |= WF_DISABLE_VP_SCROLL;
}
/* show news item in the ticker */
static void ShowTicker(const NewsItem *ni)
{
Window *w;
if (_news_ticker_sound) SndPlayFx(SND_16_MORSE);
_statusbar_news_item = *ni;
w = FindWindowById(WC_STATUS_BAR, 0);
if (w != NULL) WP(w, def_d).data_1 = 360;
}
/** Are we ready to show another news item?
* Only if nothing is in the newsticker and no newspaper is displayed */
static bool ReadyForNextItem()
{
const Window *w;
NewsID item = (_forced_news == INVALID_NEWS) ? _current_news : _forced_news;
NewsItem *ni;
if (item >= MAX_NEWS) return true;
ni = &_news_items[item];
/* Ticker message
* Check if the status bar message is still being displayed? */
w = FindWindowById(WC_STATUS_BAR, 0);
if (w != NULL && WP(w, const def_d).data_1 > -1280) return false;
/* Newspaper message, decrement duration counter */
if (ni->duration != 0) ni->duration--;
/* neither newsticker nor newspaper are running */
return (ni->duration == 0 || FindWindowById(WC_NEWS_WINDOW, 0) == NULL);
}
static void MoveToNextItem()
{
DeleteWindowById(WC_NEWS_WINDOW, 0);
_forced_news = INVALID_NEWS;
/* if we're not at the last item, then move on */
if (_current_news != _latest_news) {
NewsItem *ni;
_current_news = (_current_news == INVALID_NEWS) ? _oldest_news : increaseIndex(_current_news);
ni = &_news_items[_current_news];
/* check the date, don't show too old items */
if (_date - _news_items_age[ni->type] > ni->date) return;
switch (GetNewsDisplayValue(ni->type)) {
case 0: { // Off - show nothing only a small reminder in the status bar
Window *w = FindWindowById(WC_STATUS_BAR, 0);
if (w != NULL) {
WP(w, def_d).data_2 = 91;
SetWindowDirty(w);
}
break;
}
case 1: // Summary - show ticker, but if forced big, cascade to full
if (!(ni->flags & NF_FORCE_BIG)) {
ShowTicker(ni);
break;
}
/* Fallthrough */
case 2: // Full - show newspaper
ShowNewspaper(ni);
break;
}
}
}
void NewsLoop()
{
/* no news item yet */
if (_total_news == 0) return;
if (ReadyForNextItem()) MoveToNextItem();
}
/* Do a forced show of a specific message */
static void ShowNewsMessage(NewsID i)
{
if (_total_news == 0) return;
/* Delete the news window */
DeleteWindowById(WC_NEWS_WINDOW, 0);
/* setup forced news item */
_forced_news = i;
if (_forced_news != INVALID_NEWS) {
NewsItem *ni = &_news_items[_forced_news];
ni->duration = 555;
ni->flags |= NF_FORCE_BIG;
DeleteWindowById(WC_NEWS_WINDOW, 0);
ShowNewspaper(ni);
}
}
void ShowLastNewsMessage()
{
if (_forced_news == INVALID_NEWS) {
/* Not forced any news yet, show the current one, unless a news window is
* open (which can only be the current one), then show the previous item */
const Window *w = FindWindowById(WC_NEWS_WINDOW, 0);
ShowNewsMessage((w == NULL || (_current_news == _oldest_news)) ? _current_news : decreaseIndex(_current_news));
} else if (_forced_news == _oldest_news) {
/* We have reached the oldest news, start anew with the latest */
ShowNewsMessage(_latest_news);
} else {
/* 'Scrolling' through news history show each one in turn */
ShowNewsMessage(decreaseIndex(_forced_news));
}
}
/* return news by number, with 0 being the most
* recent news. Returns INVALID_NEWS if end of queue reached. */
static NewsID getNews(NewsID i)
{
if (i >= _total_news) return INVALID_NEWS;
if (_latest_news < i) {
i = _latest_news + MAX_NEWS - i;
} else {
i = _latest_news - i;
}
i %= MAX_NEWS;
return i;
}
/** Draw an unformatted news message truncated to a maximum length. If
* length exceeds maximum length it will be postfixed by '...'
* @param x,y position of the string
* @param color the color the string will be shown in
* @param *ni NewsItem being printed
* @param maxw maximum width of string in pixels
*/
static void DrawNewsString(int x, int y, uint16 color, const NewsItem *ni, uint maxw)
{
char buffer[512], buffer2[512];
const char *ptr;
char *dest;
StringID str;
if (ni->display_mode == 3) {
str = _get_news_string_callback[ni->callback](ni);
} else {
COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
str = ni->string_id;
}
GetString(buffer, str, lastof(buffer));
/* Copy the just gotten string to another buffer to remove any formatting
* from it such as big fonts, etc. */
ptr = buffer;
dest = buffer2;
WChar c_last = '\0';
for (;;) {
WChar c = Utf8Consume(&ptr);
if (c == 0) break;
/* Make a space from a newline, but ignore multiple newlines */
if (c == '\n' && c_last != '\n') {
dest[0] = ' ';
dest++;
} else if (c == '\r') {
dest[0] = dest[1] = dest[2] = dest[3] = ' ';
dest += 4;
} else if (IsPrintable(c)) {
dest += Utf8Encode(dest, c);
}
c_last = c;
}
*dest = '\0';
/* Truncate and show string; postfixed by '...' if neccessary */
DoDrawStringTruncated(buffer2, x, y, color, maxw);
}
static void MessageHistoryWndProc(Window *w, WindowEvent *e)
{
switch (e->event) {
case WE_PAINT: {
int y = 19;
NewsID p, show;
SetVScrollCount(w, _total_news);
DrawWindowWidgets(w);
if (_total_news == 0) break;
show = min(_total_news, w->vscroll.cap);
for (p = w->vscroll.pos; p < w->vscroll.pos + show; p++) {
/* get news in correct order */
const NewsItem *ni = &_news_items[getNews(p)];
SetDParam(0, ni->date);
DrawString(4, y, STR_SHORT_DATE, 12);
DrawNewsString(82, y, 12, ni, w->width - 95);
y += 12;
}
break;
}
case WE_CLICK:
switch (e->we.click.widget) {
case 3: {
int y = (e->we.click.pt.y - 19) / 12;
NewsID p = getNews(y + w->vscroll.pos);
if (p == INVALID_NEWS) break;
ShowNewsMessage(p);
break;
}
}
break;
case WE_RESIZE:
w->vscroll.cap += e->we.sizing.diff.y / 12;
break;
}
}
static const Widget _message_history_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 13, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_RIGHT, 13, 11, 387, 0, 13, STR_MESSAGE_HISTORY, STR_018C_WINDOW_TITLE_DRAG_THIS},
{ WWT_STICKYBOX, RESIZE_LR, 13, 388, 399, 0, 13, 0x0, STR_STICKY_BUTTON},
{ WWT_PANEL, RESIZE_RB, 13, 0, 387, 14, 139, 0x0, STR_MESSAGE_HISTORY_TIP},
{ WWT_SCROLLBAR, RESIZE_LRB, 13, 388, 399, 14, 127, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
{ WWT_RESIZEBOX, RESIZE_LRTB, 13, 388, 399, 128, 139, 0x0, STR_RESIZE_BUTTON},
{ WIDGETS_END},
};
static const WindowDesc _message_history_desc = {
240, 22, 400, 140,
WC_MESSAGE_HISTORY, WC_NONE,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
_message_history_widgets,
MessageHistoryWndProc
};
void ShowMessageHistory()
{
Window *w;
DeleteWindowById(WC_MESSAGE_HISTORY, 0);
w = AllocateWindowDesc(&_message_history_desc);
if (w != NULL) {
w->vscroll.cap = 10;
w->vscroll.count = _total_news;
w->resize.step_height = 12;
w->resize.height = w->height - 12 * 6; // minimum of 4 items in the list, each item 12 high
w->resize.step_width = 1;
w->resize.width = 200; // can't make window any smaller than 200 pixel
SetWindowDirty(w);
}
}
enum {
WIDGET_NEWSOPT_BTN_SUMMARY = 4, ///< Button that adjusts at once the level for all settings
WIDGET_NEWSOPT_DROP_SUMMARY, ///< Drop down button for same upper button
WIDGET_NEWSOPT_SOUNDTICKER = 7, ///< Button activating sound on events
WIDGET_NEWSOPT_START_OPTION = 9, ///< First widget that is part of a group [<] .. [.]
};
/** Setup the disabled/enabled buttons in the message window
* If the value is 'off' disable the [<] widget, and enable the [>] one
* Same-wise for all the others. Starting value of 4 is the first widget
* group. These are grouped as [<][>] .. [<][>], etc.
* @param w Window been used
* @param value to set in the widget
* @param element index of the group of widget to set
*/
static void SetMessageButtonStates(Window *w, byte value, int element)
{
element *= NB_WIDG_PER_SETTING;
SetWindowWidgetDisabledState(w, element + WIDGET_NEWSOPT_START_OPTION, value == 0);
SetWindowWidgetDisabledState(w, element + WIDGET_NEWSOPT_START_OPTION + 2, value == 2);
}
/**
* Event handler of the Message Options window
* @param w window pointer
* @param e event been triggered
*/
static void MessageOptionsWndProc(Window *w, WindowEvent *e)
{
static const StringID message_opt[] = {STR_OFF, STR_SUMMARY, STR_FULL, INVALID_STRING_ID};
/* WP(w, def_d).data_1 stores state of the ALL on/off/summary button */
switch (e->event) {
case WE_CREATE: {
uint32 val = _news_display_opt;
uint32 all_val;
int i;
/* Set up the initial disabled buttons in the case of 'off' or 'full' */
all_val = val & 0x3;
for (i = 0; i < NT_END; i++, val >>= 2) {
SetMessageButtonStates(w, val & 0x3, i);
/* If the value doesn't match the ALL-button value, set the ALL-button value to 'off' */
if ((val & 0x3) != all_val) all_val = 0;
}
/* If all values are the same value, the ALL-button will take over this value */
WP(w, def_d).data_1 = all_val;
} break;
case WE_PAINT: {
uint32 val = _news_display_opt;
int i, y;
if (_news_ticker_sound) LowerWindowWidget(w, WIDGET_NEWSOPT_SOUNDTICKER);
DrawWindowWidgets(w);
/* Draw the string of each setting on each button. */
for (i = 0, y = 26; i < NT_END; i++, y += 12, val >>= 2) {
/* 51 comes from 13 + 89 (left and right of the button)+1, shiefted by one as to get division,
* which will give centered position */
DrawStringCentered(51, y + 1, message_opt[val & 0x3], 0x10);
}
/* Draw the general bottom button string as well */
DrawStringCentered(51, y + 10, message_opt[WP(w, def_d).data_1], 0x10);
} break;
case WE_CLICK:
switch (e->we.click.widget) {
case WIDGET_NEWSOPT_BTN_SUMMARY:
case WIDGET_NEWSOPT_DROP_SUMMARY: // Dropdown menu for all settings
ShowDropDownMenu(w, message_opt, WP(w, def_d).data_1, WIDGET_NEWSOPT_DROP_SUMMARY, 0, 0);
break;
case WIDGET_NEWSOPT_SOUNDTICKER: // Change ticker sound on/off
_news_ticker_sound ^= 1;
ToggleWidgetLoweredState(w, e->we.click.widget);
InvalidateWidget(w, e->we.click.widget);
break;
default: { // Clicked on the [<] .. [>] widgets
int wid = e->we.click.widget - WIDGET_NEWSOPT_START_OPTION;
if (wid >= 0 && wid < (NB_WIDG_PER_SETTING * NT_END)) {
int element = wid / NB_WIDG_PER_SETTING;
byte val = (GetNewsDisplayValue(element) + ((wid % NB_WIDG_PER_SETTING) ? 1 : -1)) % 3;
SetMessageButtonStates(w, val, element);
SetNewsDisplayValue(element, val);
SetWindowDirty(w);
}
} break;
} break;
case WE_DROPDOWN_SELECT: { // Select all settings for newsmessages
int i;
WP(w, def_d).data_1 = e->we.dropdown.index;
for (i = 0; i < NT_END; i++) {
SetMessageButtonStates(w, e->we.dropdown.index, i);
SetNewsDisplayValue(i, e->we.dropdown.index);
}
SetWindowDirty(w);
} break;
}
}
static const Widget _message_options_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 13, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 13, 11, 409, 0, 13, STR_0204_MESSAGE_OPTIONS, STR_018C_WINDOW_TITLE_DRAG_THIS},
{ WWT_PANEL, RESIZE_NONE, 13, 0, 409, 14, 196, 0x0, STR_NULL},
/* Text at the top of the main panel, in black */
{ WWT_LABEL, RESIZE_NONE, 13, 0, 409, 13, 26, STR_0205_MESSAGE_TYPES, STR_NULL},
/* General drop down and sound button */
{ WWT_PANEL, RESIZE_NONE, 3, 4, 86, 166, 177, 0x0, STR_NULL},
{ WWT_TEXTBTN, RESIZE_NONE, 3, 87, 98, 166, 177, STR_0225, STR_NULL},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 167, 179, STR_MESSAGES_ALL, STR_NULL},
{ WWT_TEXTBTN_2, RESIZE_NONE, 3, 4, 98, 178, 189, STR_02DB_OFF, STR_NULL},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 179, 191, STR_MESSAGE_SOUND, STR_NULL},
/* Each four group is composed of the buttons [<] [..] [>] and the descriptor of the setting */
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 26, 37, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 26, 37, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 26, 37, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 27, 39, STR_0206_ARRIVAL_OF_FIRST_VEHICLE, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 38, 49, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 38, 49, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 38, 49, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 39, 51, STR_0207_ARRIVAL_OF_FIRST_VEHICLE, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 50, 61, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 50, 61, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 50, 61, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 51, 63, STR_0208_ACCIDENTS_DISASTERS, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 62, 73, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 62, 73, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 62, 73, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 63, 75, STR_0209_COMPANY_INFORMATION, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 74, 85, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 74, 85, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 74, 85, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 75, 87, STR_NEWS_OPEN_CLOSE, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 86, 97, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 86, 97, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 86, 97, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 87, 99, STR_020A_ECONOMY_CHANGES, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 98, 109, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 98, 109, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 98, 109, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 99, 111, STR_020B_ADVICE_INFORMATION_ON_PLAYER, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 110, 121, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 110, 121, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 110, 121, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 111, 123, STR_020C_NEW_VEHICLES, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 122, 133, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 122, 133, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 122, 133, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 123, 135, STR_020D_CHANGES_OF_CARGO_ACCEPTANCE, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 134, 145, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 134, 145, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 134, 145, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 135, 147, STR_020E_SUBSIDIES, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 146, 157, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 3, 13, 89, 146, 157, STR_EMPTY, STR_NULL},
{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 146, 157, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
{ WWT_TEXT, RESIZE_NONE, 3, 103, 409, 147, 159, STR_020F_GENERAL_INFORMATION, STR_NULL},
{ WIDGETS_END},
};
static const WindowDesc _message_options_desc = {
270, 22, 410, 197,
WC_GAME_OPTIONS, WC_NONE,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
_message_options_widgets,
MessageOptionsWndProc
};
void ShowMessageOptions()
{
DeleteWindowById(WC_GAME_OPTIONS, 0);
AllocateWindowDesc(&_message_options_desc);
}
void DeleteVehicleNews(VehicleID vid, StringID news)
{
NewsID n;
for (n = _oldest_news; _latest_news != INVALID_NEWS; n = increaseIndex(n)) {
const NewsItem *ni = &_news_items[n];
if (ni->flags & NF_VEHICLE &&
ni->data_a == vid &&
(news == INVALID_STRING_ID || ni->string_id == news)) {
Window *w;
/* If we delete a forced news and it is just before the current news
* then we need to advance to the next news (if any) */
if (_forced_news == n) MoveToNextItem();
if (_forced_news == INVALID_NEWS && _current_news == n) MoveToNextItem();
_total_news--;
/* If this is the last news item, invalidate _latest_news */
if (_total_news == 0) {
assert(_latest_news == _oldest_news);
_latest_news = INVALID_NEWS;
}
/* Since we only imitate a FIFO removing an arbitrary element does need
* some magic. Remove the item by shifting head towards the tail. eg
* oldest remove last
* | | |
* [------O--------n-----L--]
* will become (change dramatized to make clear)
* [---------O-----------L--]
* We also need an update of the current, forced and visible (open window)
* news's as this shifting could change the items they were pointing to */
if (_total_news != 0) {
w = FindWindowById(WC_NEWS_WINDOW, 0);
NewsID visible_news = (w != NULL) ? (NewsID)(WP(w, news_d).ni - _news_items) : INVALID_NEWS;
for (NewsID i = n;; i = decreaseIndex(i)) {
_news_items[i] = _news_items[decreaseIndex(i)];
if (i != _latest_news) {
if (i == _current_news) _current_news = increaseIndex(_current_news);
if (i == _forced_news) _forced_news = increaseIndex(_forced_news);
if (i == visible_news) WP(w, news_d).ni = &_news_items[increaseIndex(visible_news)];
}
if (i == _oldest_news) break;
}
_oldest_news = increaseIndex(_oldest_news);
}
/*DEBUG(misc, 0, "-cur %3d, old %2d, lat %3d, for %3d, tot %2d",
_current_news, _oldest_news, _latest_news, _forced_news, _total_news);*/
w = FindWindowById(WC_MESSAGE_HISTORY, 0);
if (w != NULL) {
SetWindowDirty(w);
w->vscroll.count = _total_news;
}
}
if (n == _latest_news) break;
}
}
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