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statusbar_gui.cpp
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1 /* $Id: statusbar_gui.cpp 27146 2015-02-13 21:13:45Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #include "stdafx.h"
13 #include "date_func.h"
14 #include "gfx_func.h"
15 #include "news_func.h"
16 #include "company_func.h"
17 #include "string_func.h"
18 #include "strings_func.h"
19 #include "company_base.h"
20 #include "tilehighlight_func.h"
21 #include "news_gui.h"
22 #include "company_gui.h"
23 #include "window_gui.h"
24 #include "saveload/saveload.h"
25 #include "window_func.h"
26 #include "statusbar_gui.h"
27 #include "toolbar_gui.h"
28 #include "core/geometry_func.hpp"
29
30 #include "widgets/statusbar_widget.h"
31
32 #include "table/strings.h"
33 #include "table/sprites.h"
34
35 #include "safeguards.h"
36
37 static bool DrawScrollingStatusText(const NewsItem *ni, int scroll_pos, int left, int right, int top, int bottom)
38 {
39 CopyInDParam(0, ni->params, lengthof(ni->params));
40 StringID str = ni->string_id;
41
42 char buf[512];
43 GetString(buf, str, lastof(buf));
44 const char *s = buf;
45
46 char buffer[256];
47 char *d = buffer;
48 const char *last = lastof(buffer);
49
50 for (;;) {
51 WChar c = Utf8Consume(&s);
52 if (c == 0) {
53 break;
54 } else if (c == '\n') {
55 if (d + 4 >= last) break;
56 d[0] = d[1] = d[2] = d[3] = ' ';
57 d += 4;
58 } else if (IsPrintable(c)) {
59 if (d + Utf8CharLen(c) >= last) break;
60 d += Utf8Encode(d, c);
61 }
62 }
63 *d = '\0';
64
65 DrawPixelInfo tmp_dpi;
66 if (!FillDrawPixelInfo(&tmp_dpi, left, top, right - left, bottom)) return true;
67
68 int width = GetStringBoundingBox(buffer).width;
69 int pos = (_current_text_dir == TD_RTL) ? (scroll_pos - width) : (right - scroll_pos - left);
70
71 DrawPixelInfo *old_dpi = _cur_dpi;
72 _cur_dpi = &tmp_dpi;
73 DrawString(pos, INT16_MAX, 0, buffer, TC_LIGHT_BLUE, SA_LEFT | SA_FORCE);
74 _cur_dpi = old_dpi;
75
76 return (_current_text_dir == TD_RTL) ? (pos < right - left) : (pos + width > 0);
77 }
78
79 struct StatusBarWindow : Window {
80 bool saving;
81 int ticker_scroll;
82 int reminder_timeout;
83
84 static const int TICKER_STOP = 1640;
85 static const int REMINDER_START = 91;
86 static const int REMINDER_STOP = 0;
87 static const int COUNTER_STEP = 2;
88
89 StatusBarWindow(WindowDesc *desc) : Window(desc)
90 {
91 this->ticker_scroll = TICKER_STOP;
92 this->reminder_timeout = REMINDER_STOP;
93
94 this->InitNested();
95 CLRBITS(this->flags, WF_WHITE_BORDER);
96 PositionStatusbar(this);
97 }
98
99 virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
100 {
101 Point pt = { 0, _screen.height - sm_height };
102 return pt;
103 }
104
105 virtual void FindWindowPlacementAndResize(int def_width, int def_height)
106 {
107 Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
108 }
109
110 virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
111 {
112 Dimension d;
113 switch (widget) {
114 case WID_S_LEFT:
115 SetDParamMaxValue(0, MAX_YEAR * DAYS_IN_YEAR);
116 d = GetStringBoundingBox(STR_WHITE_DATE_LONG);
117 break;
118
119 case WID_S_RIGHT: {
120 int64 max_money = UINT32_MAX;
121 const Company *c;
122 FOR_ALL_COMPANIES(c) max_money = max<int64>(c->money, max_money);
123 SetDParam(0, 100LL * max_money);
124 d = GetStringBoundingBox(STR_COMPANY_MONEY);
125 break;
126 }
127
128 default:
129 return;
130 }
131
132 d.width += padding.width;
133 d.height += padding.height;
134 *size = maxdim(d, *size);
135 }
136
137 virtual void DrawWidget(const Rect &r, int widget) const
138 {
139 switch (widget) {
140 case WID_S_LEFT:
141 /* Draw the date */
142 SetDParam(0, _date);
143 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_WHITE_DATE_LONG, TC_FROMSTRING, SA_HOR_CENTER);
144 break;
145
146 case WID_S_RIGHT: {
147 /* Draw company money, if any */
148 const Company *c = Company::GetIfValid(_local_company);
149 if (c != NULL) {
150 SetDParam(0, c->money);
151 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_COMPANY_MONEY, TC_FROMSTRING, SA_HOR_CENTER);
152 }
153 break;
154 }
155
156 case WID_S_MIDDLE:
157 /* Draw status bar */
158 if (this->saving) { // true when saving is active
159 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_SAVING_GAME, TC_FROMSTRING, SA_HOR_CENTER);
160 } else if (_do_autosave) {
161 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_AUTOSAVE, TC_FROMSTRING, SA_HOR_CENTER);
162 } else if (_pause_mode != PM_UNPAUSED) {
163 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_PAUSED, TC_FROMSTRING, SA_HOR_CENTER);
164 } else if (this->ticker_scroll < TICKER_STOP && FindWindowById(WC_NEWS_WINDOW, 0) == NULL && _statusbar_news_item != NULL && _statusbar_news_item->string_id != 0) {
165 /* Draw the scrolling news text */
166 if (!DrawScrollingStatusText(_statusbar_news_item, this->ticker_scroll, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, r.bottom)) {
167 InvalidateWindowData(WC_STATUS_BAR, 0, SBI_NEWS_DELETED);
168 if (Company::IsValidID(_local_company)) {
169 /* This is the default text */
170 SetDParam(0, _local_company);
171 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_COMPANY_NAME, TC_FROMSTRING, SA_HOR_CENTER);
172 }
173 }
174 } else {
175 if (Company::IsValidID(_local_company)) {
176 /* This is the default text */
177 SetDParam(0, _local_company);
178 DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_COMPANY_NAME, TC_FROMSTRING, SA_HOR_CENTER);
179 }
180 }
181
182 if (this->reminder_timeout > 0) {
183 Dimension icon_size = GetSpriteSize(SPR_UNREAD_NEWS);
184 DrawSprite(SPR_UNREAD_NEWS, PAL_NONE, r.right - WD_FRAMERECT_RIGHT - icon_size.width, r.top + WD_FRAMERECT_TOP + (int)(FONT_HEIGHT_NORMAL - icon_size.height) / 2);
185 }
186 break;
187 }
188 }
189
195 virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
196 {
197 if (!gui_scope) return;
198 switch (data) {
199 default: NOT_REACHED();
200 case SBI_SAVELOAD_START: this->saving = true; break;
201 case SBI_SAVELOAD_FINISH: this->saving = false; break;
202 case SBI_SHOW_TICKER: this->ticker_scroll = 0; break;
203 case SBI_SHOW_REMINDER: this->reminder_timeout = REMINDER_START; break;
204 case SBI_NEWS_DELETED:
205 this->ticker_scroll = TICKER_STOP; // reset ticker ...
206 this->reminder_timeout = REMINDER_STOP; // ... and reminder
207 break;
208 }
209 }
210
211 virtual void OnClick(Point pt, int widget, int click_count)
212 {
213 switch (widget) {
214 case WID_S_MIDDLE: ShowLastNewsMessage(); break;
215 case WID_S_RIGHT: if (_local_company != COMPANY_SPECTATOR) ShowCompanyFinances(_local_company); break;
216 default: ResetObjectToPlace();
217 }
218 }
219
220 virtual void OnTick()
221 {
222 if (_pause_mode != PM_UNPAUSED) return;
223
224 if (this->ticker_scroll < TICKER_STOP) { // Scrolling text
225 this->ticker_scroll += COUNTER_STEP;
226 this->SetWidgetDirty(WID_S_MIDDLE);
227 }
228
229 if (this->reminder_timeout > REMINDER_STOP) { // Red blot to show there are new unread newsmessages
230 this->reminder_timeout -= COUNTER_STEP;
231 } else if (this->reminder_timeout < REMINDER_STOP) {
232 this->reminder_timeout = REMINDER_STOP;
233 this->SetWidgetDirty(WID_S_MIDDLE);
234 }
235 }
236 };
237
238 static const NWidgetPart _nested_main_status_widgets[] = {
239 NWidget(NWID_HORIZONTAL),
240 NWidget(WWT_PANEL, COLOUR_GREY, WID_S_LEFT), SetMinimalSize(140, 12), EndContainer(),
241 NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_S_MIDDLE), SetMinimalSize(40, 12), SetDataTip(0x0, STR_STATUSBAR_TOOLTIP_SHOW_LAST_NEWS), SetResize(1, 0),
242 NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_S_RIGHT), SetMinimalSize(140, 12),
243 EndContainer(),
244 };
245
246 static WindowDesc _main_status_desc(
247 WDP_MANUAL, NULL, 0, 0,
248 WC_STATUS_BAR, WC_NONE,
249 WDF_NO_FOCUS,
250 _nested_main_status_widgets, lengthof(_nested_main_status_widgets)
251 );
252
256 bool IsNewsTickerShown()
257 {
258 const StatusBarWindow *w = dynamic_cast<StatusBarWindow*>(FindWindowById(WC_STATUS_BAR, 0));
259 return w != NULL && w->ticker_scroll < StatusBarWindow::TICKER_STOP;
260 }
261
265 void ShowStatusBar()
266 {
267 new StatusBarWindow(&_main_status_desc);
268 }