--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/news_gui.cpp Wed Jan 10 18:12:09 2007 +0000
@@ -0,0 +1,939 @@
+/* $Id$ */
+
+#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
+
+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 DrawNewsNewTrainAvail(Window *w);
+void DrawNewsNewRoadVehAvail(Window *w);
+void DrawNewsNewShipAvail(Window *w);
+void DrawNewsNewAircraftAvail(Window *w);
+void DrawNewsBankrupcy(Window *w);
+static void MoveToNextItem(void);
+
+StringID GetNewsStringNewTrainAvail(const NewsItem *ni);
+StringID GetNewsStringNewRoadVehAvail(const NewsItem *ni);
+StringID GetNewsStringNewShipAvail(const NewsItem *ni);
+StringID GetNewsStringNewAircraftAvail(const NewsItem *ni);
+StringID GetNewsStringBankrupcy(const NewsItem *ni);
+
+static DrawNewsCallbackProc * const _draw_news_callback[] = {
+ DrawNewsNewTrainAvail, /* DNC_TRAINAVAIL */
+ DrawNewsNewRoadVehAvail, /* DNC_ROADAVAIL */
+ DrawNewsNewShipAvail, /* DNC_SHIPAVAIL */
+ DrawNewsNewAircraftAvail, /* DNC_AIRCRAFTAVAIL */
+ DrawNewsBankrupcy, /* DNC_BANKRUPCY */
+};
+
+GetNewsStringCallbackProc * const _get_news_string_callback[] = {
+ GetNewsStringNewTrainAvail, /* DNC_TRAINAVAIL */
+ GetNewsStringNewRoadVehAvail, /* DNC_ROADAVAIL */
+ GetNewsStringNewShipAvail, /* DNC_SHIPAVAIL */
+ GetNewsStringNewAircraftAvail, /* DNC_AIRCRAFTAVAIL */
+ GetNewsStringBankrupcy, /* DNC_BANKRUPCY */
+};
+
+void InitNewsItemStructs(void)
+{
+ 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, 426);
+ } else {
+ byte bk = _display_opt;
+ _display_opt &= ~DO_TRANS_BUILDINGS;
+ DrawWindowViewport(w);
+ _display_opt = bk;
+
+ /* 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 ? 0x322 : 0x323) | USE_COLORTABLE
+ );
+
+ COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+ DrawStringMultiCenter(w->width / 2, 20, ni->string_id, 428);
+ }
+ 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, 276);
+ }
+ 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 = abs(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.<br/>
+ * 1. 0 - 7 display_mode, any of the NewsMode enums (NM_)<br/>
+ * 2. 8 - 15 news flags, any of the NewsFlags enums (NF_) NF_INCOLOR are set automatically if needed<br/>
+ * 3. 16 - 23 news category, any of the NewsType enums (NT_)<br/>
+ * 4. 24 - 31 news callback function, any of the NewsCallback enums (DNC_)<br/>
+ * If the display mode is NM_CALLBACK special news is shown and parameter
+ * stringid has a special meaning.<br/>
+ * DNC_TRAINAVAIL, DNC_ROADAVAIL, DNC_SHIPAVAIL, DNC_AIRCRAFTAVAIL: StringID is
+ * the index of the engine that is shown<br/>
+ * 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_)<br/>
+ * @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();
+
+ _forced_news = INVALID_NEWS;
+ 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, 0,
+ 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, 0,
+ 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, 0,
+ WDF_DEF_WIDGET,
+ _news_type0_widgets,
+ NewsWindowProc
+};
+
+static const SoundFx _news_sounds[] = {
+ SND_1D_APPLAUSE,
+ SND_1D_APPLAUSE,
+ 0,
+ 0,
+ 0,
+ 0,
+ SND_1E_OOOOH,
+ 0,
+ 0,
+ 0
+};
+
+/** 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 < 10 && 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 < 10 && 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), 0);
+ 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), 0);
+ 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), 0);
+ 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(void)
+{
+ 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(void)
+{
+ 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(void)
+{
+ // 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(void)
+{
+ switch (_forced_news) {
+ case INVALID_NEWS: // Not forced any news yet, show the current one
+ ShowNewsMessage(_current_news);
+ break;
+ case 0: //
+ ShowNewsMessage(_total_news != MAX_NEWS ? _latest_news : MAX_NEWS - 1);
+ break;
+ default: // 'Scrolling' through news history show each one in turn
+ ShowNewsMessage(_forced_news - 1);
+ break;
+ }
+}
+
+
+/* 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;
+ for (;;) {
+ WChar c = Utf8Consume(&ptr);
+ if (c == 0) break;
+ if (c == '\r') {
+ dest[0] = dest[1] = dest[2] = dest[3] = ' ';
+ dest += 4;
+ } else if (IsPrintable(c)) {
+ dest += Utf8Encode(dest, 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, 0,
+ WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
+ _message_history_widgets,
+ MessageHistoryWndProc
+};
+
+void ShowMessageHistory(void)
+{
+ 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);
+ }
+}
+
+/** 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 3 is the first widget
+ * group. These are grouped as [<][>] .. [<][>], etc.
+ */
+static void SetMessageButtonStates(Window *w, byte value, int element)
+{
+ element *= 2;
+
+ SetWindowWidgetDisabledState(w, element + 3, value == 0);
+ SetWindowWidgetDisabledState(w, element + 3 + 1, value == 2);
+}
+
+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 are stores the clicked state of the fake widgets
+ * WP(w, def_d).data_2 stores state of the ALL on/off/summary button */
+ switch (e->event) {
+ case WE_CREATE: {
+ uint32 val = _news_display_opt;
+ int i;
+ WP(w, def_d).data_1 = WP(w, def_d).data_2 = 0;
+
+ // Set up the initial disabled buttons in the case of 'off' or 'full'
+ for (i = 0; i != 10; i++, val >>= 2) SetMessageButtonStates(w, val & 0x3, i);
+ } break;
+
+ case WE_PAINT: {
+ uint32 val = _news_display_opt;
+ int click_state = WP(w, def_d).data_1;
+ int i, y;
+
+ if (_news_ticker_sound) LowerWindowWidget(w, 25);
+ DrawWindowWidgets(w);
+
+ /* XXX - Draw the fake widgets-buttons. Can't add these to the widget-desc since
+ * openttd currently can only handle 32 widgets. So hack it *g* */
+ for (i = 0, y = 26; i != 10; i++, y += 12, click_state >>= 1, val >>= 2) {
+ bool clicked = !!(click_state & 1);
+
+ DrawFrameRect(13, y, 89, 11 + y, 3, (clicked) ? FR_LOWERED : 0);
+ DrawStringCentered(((13 + 89 + 1) >> 1) + clicked, ((y + 11 + y + 1) >> 1) - 5 + clicked, message_opt[val & 0x3], 0x10);
+ DrawString(103, y + 1, i + STR_0206_ARRIVAL_OF_FIRST_VEHICLE, 0);
+ }
+
+ DrawString( 8, y + 9, message_opt[WP(w, def_d).data_2], 0x10);
+ DrawString(103, y + 9, STR_MESSAGES_ALL, 0);
+ DrawString(103, y + 9 + 12, STR_MESSAGE_SOUND, 0);
+
+ } break;
+
+ case WE_CLICK:
+ switch (e->we.click.widget) {
+ case 2: /* Clicked on any of the fake widgets */
+ if (e->we.click.pt.x > 13 && e->we.click.pt.x < 89 && e->we.click.pt.y > 26 && e->we.click.pt.y < 146) {
+ int element = (e->we.click.pt.y - 26) / 12;
+ byte val = (GetNewsDisplayValue(element) + 1) % 3;
+
+ SetMessageButtonStates(w, val, element);
+ SetNewsDisplayValue(element, val);
+
+ WP(w, def_d).data_1 |= (1 << element);
+ w->flags4 |= 5 << WF_TIMEOUT_SHL; // XXX - setup unclick (fake widget)
+ SetWindowDirty(w);
+ }
+ break;
+ case 23: case 24: /* Dropdown menu for all settings */
+ ShowDropDownMenu(w, message_opt, WP(w, def_d).data_2, 24, 0, 0);
+ break;
+ case 25: /* 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;
+ if (wid > 2 && wid < 23) {
+ int element = (wid - 3) / 2;
+ byte val = (GetNewsDisplayValue(element) + ((wid & 1) ? -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_2 = e->we.dropdown.index;
+
+ for (i = 0; i != 10; i++) {
+ SB(_news_display_opt, i*2, 2, e->we.dropdown.index);
+ SetMessageButtonStates(w, e->we.dropdown.index, i);
+ }
+ SetWindowDirty(w);
+ break;
+ }
+
+ case WE_TIMEOUT: /* XXX - Hack to animate 'fake' buttons */
+ WP(w, def_d).data_1 = 0;
+ 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, 184, 0x0, STR_NULL},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 26, 37, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 26, 37, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 38, 49, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 38, 49, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 50, 61, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 50, 61, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 62, 73, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 62, 73, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 74, 85, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 74, 85, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 86, 97, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 86, 97, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 98, 109, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 98, 109, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 110, 121, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 110, 121, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 122, 133, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 122, 133, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 4, 12, 134, 145, SPR_ARROW_LEFT, STR_HSCROLL_BAR_SCROLLS_LIST},
+{ WWT_PUSHIMGBTN, RESIZE_NONE, 3, 90, 98, 134, 145, SPR_ARROW_RIGHT, STR_HSCROLL_BAR_SCROLLS_LIST},
+
+{ WWT_PANEL, RESIZE_NONE, 3, 4, 86, 154, 165, 0x0, STR_NULL},
+{ WWT_TEXTBTN, RESIZE_NONE, 3, 87, 98, 154, 165, STR_0225, STR_NULL},
+{ WWT_TEXTBTN_2, RESIZE_NONE, 3, 4, 98, 166, 177, STR_02DB_OFF, STR_NULL},
+
+{ WWT_LABEL, RESIZE_NONE, 13, 0, 409, 13, 26, STR_0205_MESSAGE_TYPES, STR_NULL},
+{ WIDGETS_END},
+};
+
+static const WindowDesc _message_options_desc = {
+ 270, 22, 410, 185,
+ WC_GAME_OPTIONS, 0,
+ WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
+ _message_options_widgets,
+ MessageOptionsWndProc
+};
+
+void ShowMessageOptions(void)
+{
+ 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 (_forced_news == n || _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) {
+ NewsID i, visible_news;
+ w = FindWindowById(WC_NEWS_WINDOW, 0);
+ visible_news = (w != NULL) ? (NewsID)(WP(w, news_d).ni - _news_items) : INVALID_NEWS;
+
+ for (i = n;; i = decreaseIndex(i)) {
+ _news_items[i] = _news_items[decreaseIndex(i)];
+
+ 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;
+ }
+}