summaryrefslogtreecommitdiff
path: root/src/statusbar_gui.cpp
blob: 25efa6bb1c03b329395bc1ba82489d2e2ea37305 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
/* $Id$ */

/*
 * 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 statusbar_gui.cpp The GUI for the bottom status bar. */

#include "stdafx.h"
#include "date_func.h"
#include "gfx_func.h"
#include "news_func.h"
#include "company_func.h"
#include "string_func.h"
#include "strings_func.h"
#include "company_base.h"
#include "tilehighlight_func.h"
#include "news_gui.h"
#include "company_gui.h"
#include "window_gui.h"
#include "saveload/saveload.h"
#include "window_func.h"
#include "statusbar_gui.h"
#include "toolbar_gui.h"
#include "core/geometry_func.hpp"

#include "widgets/statusbar_widget.h"

#include "table/strings.h"
#include "table/sprites.h"

#include "safeguards.h"

static bool DrawScrollingStatusText(const NewsItem *ni, int scroll_pos, int left, int right, int top, int bottom)
{
	CopyInDParam(0, ni->params, lengthof(ni->params));
	StringID str = ni->string_id;

	char buf[512];
	GetString(buf, str, lastof(buf));
	const char *s = buf;

	char buffer[256];
	char *d = buffer;
	const char *last = lastof(buffer);

	for (;;) {
		WChar c = Utf8Consume(&s);
		if (c == 0) {
			break;
		} else if (c == '\n') {
			if (d + 4 >= last) break;
			d[0] = d[1] = d[2] = d[3] = ' ';
			d += 4;
		} else if (IsPrintable(c)) {
			if (d + Utf8CharLen(c) >= last) break;
			d += Utf8Encode(d, c);
		}
	}
	*d = '\0';

	DrawPixelInfo tmp_dpi;
	if (!FillDrawPixelInfo(&tmp_dpi, left, top, right - left, bottom)) return true;

	int width = GetStringBoundingBox(buffer).width;
	int pos = (_current_text_dir == TD_RTL) ? (scroll_pos - width) : (right - scroll_pos - left);

	DrawPixelInfo *old_dpi = _cur_dpi;
	_cur_dpi = &tmp_dpi;
	DrawString(pos, INT16_MAX, 0, buffer, TC_LIGHT_BLUE, SA_LEFT | SA_FORCE);
	_cur_dpi = old_dpi;

	return (_current_text_dir == TD_RTL) ? (pos < right - left) : (pos + width > 0);
}

struct StatusBarWindow : Window {
	bool saving;
	int ticker_scroll;
	int reminder_timeout;

	static const int TICKER_STOP    = 1640; ///< scrolling is finished when counter reaches this value
	static const int REMINDER_START =   91; ///< initial value of the reminder counter (right dot on the right)
	static const int REMINDER_STOP  =    0; ///< reminder disappears when counter reaches this value
	static const int COUNTER_STEP   =    2; ///< this is subtracted from active counters every tick

	StatusBarWindow(WindowDesc *desc) : Window(desc)
	{
		this->ticker_scroll    =   TICKER_STOP;
		this->reminder_timeout = REMINDER_STOP;

		this->InitNested();
		CLRBITS(this->flags, WF_WHITE_BORDER);
		PositionStatusbar(this);
	}

	virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
	{
		Point pt = { 0, _screen.height - sm_height };
		return pt;
	}

	virtual void FindWindowPlacementAndResize(int def_width, int def_height)
	{
		Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
	}

	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
	{
		Dimension d;
		switch (widget) {
			case WID_S_LEFT:
				SetDParamMaxValue(0, MAX_YEAR * DAYS_IN_YEAR);
				d = GetStringBoundingBox(STR_WHITE_DATE_LONG);
				break;

			case WID_S_RIGHT: {
				int64 max_money = UINT32_MAX;
				const Company *c;
				FOR_ALL_COMPANIES(c) max_money = max<int64>(c->money, max_money);
				SetDParam(0, 100LL * max_money);
				d = GetStringBoundingBox(STR_COMPANY_MONEY);
				break;
			}

			default:
				return;
		}

		d.width += padding.width;
		d.height += padding.height;
		*size = maxdim(d, *size);
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		switch (widget) {
			case WID_S_LEFT:
				/* Draw the date */
				SetDParam(0, _date);
				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);
				break;

			case WID_S_RIGHT: {
				/* Draw company money, if any */
				const Company *c = Company::GetIfValid(_local_company);
				if (c != NULL) {
					SetDParam(0, c->money);
					DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_COMPANY_MONEY, TC_FROMSTRING, SA_HOR_CENTER);
				}
				break;
			}

			case WID_S_MIDDLE:
				/* Draw status bar */
				if (this->saving) { // true when saving is active
					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);
				} else if (_do_autosave) {
					DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_AUTOSAVE, TC_FROMSTRING, SA_HOR_CENTER);
				} else if (_pause_mode != PM_UNPAUSED) {
					DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, STR_STATUSBAR_PAUSED, TC_FROMSTRING, SA_HOR_CENTER);
				} else if (this->ticker_scroll < TICKER_STOP && FindWindowById(WC_NEWS_WINDOW, 0) == NULL && _statusbar_news_item != NULL && _statusbar_news_item->string_id != 0) {
					/* Draw the scrolling news text */
					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)) {
						InvalidateWindowData(WC_STATUS_BAR, 0, SBI_NEWS_DELETED);
						if (Company::IsValidID(_local_company)) {
							/* This is the default text */
							SetDParam(0, _local_company);
							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);
						}
					}
				} else {
					if (Company::IsValidID(_local_company)) {
						/* This is the default text */
						SetDParam(0, _local_company);
						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);
					}
				}

				if (this->reminder_timeout > 0) {
					Dimension icon_size = GetSpriteSize(SPR_UNREAD_NEWS);
					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);
				}
				break;
		}
	}

	/**
	 * 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.
	 */
	virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
	{
		if (!gui_scope) return;
		switch (data) {
			default: NOT_REACHED();
			case SBI_SAVELOAD_START:  this->saving = true;  break;
			case SBI_SAVELOAD_FINISH: this->saving = false; break;
			case SBI_SHOW_TICKER:     this->ticker_scroll = 0; break;
			case SBI_SHOW_REMINDER:   this->reminder_timeout = REMINDER_START; break;
			case SBI_NEWS_DELETED:
				this->ticker_scroll    =   TICKER_STOP; // reset ticker ...
				this->reminder_timeout = REMINDER_STOP; // ... and reminder
				break;
		}
	}

	virtual void OnClick(Point pt, int widget, int click_count)
	{
		switch (widget) {
			case WID_S_MIDDLE: ShowLastNewsMessage(); break;
			case WID_S_RIGHT:  if (_local_company != COMPANY_SPECTATOR) ShowCompanyFinances(_local_company); break;
			default: ResetObjectToPlace();
		}
	}

	virtual void OnTick()
	{
		if (_pause_mode != PM_UNPAUSED) return;

		if (this->ticker_scroll < TICKER_STOP) { // Scrolling text
			this->ticker_scroll += COUNTER_STEP;
			this->SetWidgetDirty(WID_S_MIDDLE);
		}

		if (this->reminder_timeout > REMINDER_STOP) { // Red blot to show there are new unread newsmessages
			this->reminder_timeout -= COUNTER_STEP;
		} else if (this->reminder_timeout < REMINDER_STOP) {
			this->reminder_timeout = REMINDER_STOP;
			this->SetWidgetDirty(WID_S_MIDDLE);
		}
	}
};

static const NWidgetPart _nested_main_status_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_PANEL, COLOUR_GREY, WID_S_LEFT), SetMinimalSize(140, 12), EndContainer(),
		NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_S_MIDDLE), SetMinimalSize(40, 12), SetDataTip(0x0, STR_STATUSBAR_TOOLTIP_SHOW_LAST_NEWS), SetResize(1, 0),
		NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_S_RIGHT), SetMinimalSize(140, 12),
	EndContainer(),
};

static WindowDesc _main_status_desc(
	WDP_MANUAL, NULL, 0, 0,
	WC_STATUS_BAR, WC_NONE,
	WDF_NO_FOCUS,
	_nested_main_status_widgets, lengthof(_nested_main_status_widgets)
);

/**
 * Checks whether the news ticker is currently being used.
 */
bool IsNewsTickerShown()
{
	const StatusBarWindow *w = dynamic_cast<StatusBarWindow*>(FindWindowById(WC_STATUS_BAR, 0));
	return w != NULL && w->ticker_scroll < StatusBarWindow::TICKER_STOP;
}

/**
 * Show our status bar.
 */
void ShowStatusBar()
{
	new StatusBarWindow(&_main_status_desc);
}