OpenTTD: src/signs_gui.cpp Source File

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signs_gui.cpp
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1 /* $Id: signs_gui.cpp 26827 2014-09-15 19:26:03Z 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 "company_gui.h"
14 #include "company_func.h"
15 #include "signs_base.h"
16 #include "signs_func.h"
17 #include "debug.h"
18 #include "command_func.h"
19 #include "strings_func.h"
20 #include "window_func.h"
21 #include "map_func.h"
22 #include "viewport_func.h"
23 #include "querystring_gui.h"
24 #include "sortlist_type.h"
25 #include "stringfilter_type.h"
26 #include "string_func.h"
27 #include "core/geometry_func.hpp"
28 #include "hotkeys.h"
29 #include "transparency.h"
30
31 #include "widgets/sign_widget.h"
32
33 #include "table/strings.h"
34 #include "table/sprites.h"
35
36 #include "safeguards.h"
37
38 struct SignList {
42 typedef GUIList<const Sign *, StringFilter &> GUISignList;
43
44 static const Sign *last_sign;
45 GUISignList signs;
46
47 StringFilter string_filter;
48 static bool match_case;
49
53 SignList() : string_filter(&match_case)
54 {
55 }
56
57 void BuildSignsList()
58 {
59 if (!this->signs.NeedRebuild()) return;
60
61 DEBUG(misc, 3, "Building sign list");
62
63 this->signs.Clear();
64
65 const Sign *si;
66 FOR_ALL_SIGNS(si) *this->signs.Append() = si;
67
68 this->signs.SetFilterState(true);
69 this->FilterSignList();
70 this->signs.Compact();
71 this->signs.RebuildDone();
72 }
73
75 static int CDECL SignNameSorter(const Sign * const *a, const Sign * const *b)
76 {
77 static char buf_cache[64];
78 char buf[64];
79
80 SetDParam(0, (*a)->index);
81 GetString(buf, STR_SIGN_NAME, lastof(buf));
82
83 if (*b != last_sign) {
84 last_sign = *b;
85 SetDParam(0, (*b)->index);
86 GetString(buf_cache, STR_SIGN_NAME, lastof(buf_cache));
87 }
88
89 int r = strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
90
91 return r != 0 ? r : ((*a)->index - (*b)->index);
92 }
93
94 void SortSignsList()
95 {
96 if (!this->signs.Sort(&SignNameSorter)) return;
97
98 /* Reset the name sorter sort cache */
99 this->last_sign = NULL;
100 }
101
103 static bool CDECL SignNameFilter(const Sign * const *a, StringFilter &filter)
104 {
105 /* Get sign string */
106 char buf1[MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH];
107 SetDParam(0, (*a)->index);
108 GetString(buf1, STR_SIGN_NAME, lastof(buf1));
109
110 filter.ResetState();
111 filter.AddLine(buf1);
112 return filter.GetState();
113 }
114
116 static bool CDECL OwnerDeityFilter(const Sign * const *a, StringFilter &filter)
117 {
118 /* You should never be able to edit signs of owner DEITY */
119 return (*a)->owner != OWNER_DEITY;
120 }
121
123 static bool CDECL OwnerVisibilityFilter(const Sign * const *a, StringFilter &filter)
124 {
125 assert(!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS));
126 /* Hide sign if non-own signs are hidden in the viewport */
127 return (*a)->owner == _local_company || (*a)->owner == OWNER_DEITY;
128 }
129
131 void FilterSignList()
132 {
133 this->signs.Filter(&SignNameFilter, this->string_filter);
134 if (_game_mode != GM_EDITOR) this->signs.Filter(&OwnerDeityFilter, this->string_filter);
135 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS)) {
136 this->signs.Filter(&OwnerVisibilityFilter, this->string_filter);
137 }
138 }
139 };
140
141 const Sign *SignList::last_sign = NULL;
142 bool SignList::match_case = false;
143
145 enum SignListHotkeys {
146 SLHK_FOCUS_FILTER_BOX,
147 };
148
149 struct SignListWindow : Window, SignList {
150 QueryString filter_editbox;
151 int text_offset;
152 Scrollbar *vscroll;
153
154 SignListWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc), filter_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
155 {
156 this->CreateNestedTree();
157 this->vscroll = this->GetScrollbar(WID_SIL_SCROLLBAR);
158 this->FinishInitNested(window_number);
159 this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case);
160
161 /* Initialize the text edit widget */
162 this->querystrings[WID_SIL_FILTER_TEXT] = &this->filter_editbox;
163 this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
164
165 /* Initialize the filtering variables */
166 this->SetFilterString("");
167
168 /* Create initial list. */
169 this->signs.ForceRebuild();
170 this->signs.ForceResort();
171 this->BuildSortSignList();
172 }
173
180 void SetFilterString(const char *new_filter_string)
181 {
182 /* check if there is a new filter string */
183 this->string_filter.SetFilterTerm(new_filter_string);
184
185 /* Rebuild the list of signs */
186 this->InvalidateData();
187 }
188
189 virtual void OnPaint()
190 {
191 if (this->signs.NeedRebuild()) this->BuildSortSignList();
192 this->DrawWidgets();
193 }
194
195 virtual void DrawWidget(const Rect &r, int widget) const
196 {
197 switch (widget) {
198 case WID_SIL_LIST: {
199 uint y = r.top + WD_FRAMERECT_TOP; // Offset from top of widget.
200 /* No signs? */
201 if (this->vscroll->GetCount() == 0) {
202 DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, STR_STATION_LIST_NONE);
203 return;
204 }
205
206 bool rtl = _current_text_dir == TD_RTL;
207 int sprite_offset_y = (FONT_HEIGHT_NORMAL - 10) / 2 + 1;
208 uint icon_left = 4 + (rtl ? r.right - this->text_offset : r.left);
209 uint text_left = r.left + (rtl ? WD_FRAMERECT_LEFT : this->text_offset);
210 uint text_right = r.right - (rtl ? this->text_offset : WD_FRAMERECT_RIGHT);
211
212 /* At least one sign available. */
213 for (uint16 i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
214 const Sign *si = this->signs[i];
215
216 if (si->owner != OWNER_NONE) DrawCompanyIcon(si->owner, icon_left, y + sprite_offset_y);
217
218 SetDParam(0, si->index);
219 DrawString(text_left, text_right, y, STR_SIGN_NAME, TC_YELLOW);
220 y += this->resize.step_height;
221 }
222 break;
223 }
224 }
225 }
226
227 virtual void SetStringParameters(int widget) const
228 {
229 if (widget == WID_SIL_CAPTION) SetDParam(0, this->vscroll->GetCount());
230 }
231
232 virtual void OnClick(Point pt, int widget, int click_count)
233 {
234 switch (widget) {
235 case WID_SIL_LIST: {
236 uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SIL_LIST, WD_FRAMERECT_TOP);
237 if (id_v == INT_MAX) return;
238
239 const Sign *si = this->signs[id_v];
240 ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
241 break;
242 }
243
244 case WID_SIL_FILTER_ENTER_BTN:
245 if (this->signs.Length() >= 1) {
246 const Sign *si = this->signs[0];
247 ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
248 }
249 break;
250
251 case WID_SIL_FILTER_MATCH_CASE_BTN:
252 SignList::match_case = !SignList::match_case; // Toggle match case
253 this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case); // Toggle button pushed state
254 this->InvalidateData(); // Rebuild the list of signs
255 break;
256 }
257 }
258
259 virtual void OnResize()
260 {
261 this->vscroll->SetCapacityFromWidget(this, WID_SIL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
262 }
263
264 virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
265 {
266 switch (widget) {
267 case WID_SIL_LIST: {
268 Dimension spr_dim = GetSpriteSize(SPR_COMPANY_ICON);
269 this->text_offset = WD_FRAMETEXT_LEFT + spr_dim.width + 2; // 2 pixels space between icon and the sign text.
270 resize->height = max<uint>(FONT_HEIGHT_NORMAL, spr_dim.height);
271 Dimension d = {this->text_offset + WD_FRAMETEXT_RIGHT, WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM};
272 *size = maxdim(*size, d);
273 break;
274 }
275
276 case WID_SIL_CAPTION:
277 SetDParamMaxValue(0, Sign::GetPoolSize(), 3);
278 *size = GetStringBoundingBox(STR_SIGN_LIST_CAPTION);
279 size->height += padding.height;
280 size->width += padding.width;
281 break;
282 }
283 }
284
285 virtual EventState OnHotkey(int hotkey)
286 {
287 switch (hotkey) {
288 case SLHK_FOCUS_FILTER_BOX:
289 this->SetFocusedWidget(WID_SIL_FILTER_TEXT);
290 SetFocusedWindow(this); // The user has asked to give focus to the text box, so make sure this window is focused.
291 break;
292
293 default:
294 return ES_NOT_HANDLED;
295 }
296
297 return ES_HANDLED;
298 }
299
300 virtual void OnEditboxChanged(int widget)
301 {
302 if (widget == WID_SIL_FILTER_TEXT) this->SetFilterString(this->filter_editbox.text.buf);
303 }
304
305 void BuildSortSignList()
306 {
307 if (this->signs.NeedRebuild()) {
308 this->BuildSignsList();
309 this->vscroll->SetCount(this->signs.Length());
310 this->SetWidgetDirty(WID_SIL_CAPTION);
311 }
312 this->SortSignsList();
313 }
314
315 virtual void OnHundredthTick()
316 {
317 this->BuildSortSignList();
318 this->SetDirty();
319 }
320
326 virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
327 {
328 /* When there is a filter string, we always need to rebuild the list even if
329 * the amount of signs in total is unchanged, as the subset of signs that is
330 * accepted by the filter might has changed. */
331 if (data == 0 || data == -1 || !this->string_filter.IsEmpty()) { // New or deleted sign, changed visibility setting or there is a filter string
332 /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
333 this->signs.ForceRebuild();
334 } else { // Change of sign contents while there is no filter string
335 this->signs.ForceResort();
336 }
337 }
338
339 static HotkeyList hotkeys;
340 };
341
347 static EventState SignListGlobalHotkeys(int hotkey)
348 {
349 if (_game_mode == GM_MENU) return ES_NOT_HANDLED;
350 Window *w = ShowSignList();
351 if (w == NULL) return ES_NOT_HANDLED;
352 return w->OnHotkey(hotkey);
353 }
354
355 static Hotkey signlist_hotkeys[] = {
356 Hotkey('F', "focus_filter_box", SLHK_FOCUS_FILTER_BOX),
357 HOTKEY_LIST_END
358 };
359 HotkeyList SignListWindow::hotkeys("signlist", signlist_hotkeys, SignListGlobalHotkeys);
360
361 static const NWidgetPart _nested_sign_list_widgets[] = {
362 NWidget(NWID_HORIZONTAL),
363 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
364 NWidget(WWT_CAPTION, COLOUR_GREY, WID_SIL_CAPTION), SetDataTip(STR_SIGN_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
365 NWidget(WWT_SHADEBOX, COLOUR_GREY),
366 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
367 NWidget(WWT_STICKYBOX, COLOUR_GREY),
368 EndContainer(),
369 NWidget(NWID_HORIZONTAL),
370 NWidget(NWID_VERTICAL),
371 NWidget(WWT_PANEL, COLOUR_GREY, WID_SIL_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + 255 + WD_FRAMETEXT_RIGHT, 50),
372 SetResize(1, 10), SetFill(1, 0), SetScrollbar(WID_SIL_SCROLLBAR), EndContainer(),
373 NWidget(NWID_HORIZONTAL),
374 NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1),
375 NWidget(WWT_EDITBOX, COLOUR_GREY, WID_SIL_FILTER_TEXT), SetMinimalSize(80, 12), SetResize(1, 0), SetFill(1, 0), SetPadding(2, 2, 2, 2),
376 SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
377 EndContainer(),
378 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SIL_FILTER_MATCH_CASE_BTN), SetDataTip(STR_SIGN_LIST_MATCH_CASE, STR_SIGN_LIST_MATCH_CASE_TOOLTIP),
379 EndContainer(),
380 EndContainer(),
381 NWidget(NWID_VERTICAL),
382 NWidget(NWID_VERTICAL), SetFill(0, 1),
383 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SIL_SCROLLBAR),
384 EndContainer(),
385 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
386 EndContainer(),
387 EndContainer(),
388 };
389
390 static WindowDesc _sign_list_desc(
391 WDP_AUTO, "list_signs", 358, 138,
392 WC_SIGN_LIST, WC_NONE,
393 0,
394 _nested_sign_list_widgets, lengthof(_nested_sign_list_widgets),
395 &SignListWindow::hotkeys
396 );
397
403 Window *ShowSignList()
404 {
405 return AllocateWindowDescFront<SignListWindow>(&_sign_list_desc, 0);
406 }
407
414 static bool RenameSign(SignID index, const char *text)
415 {
416 bool remove = StrEmpty(text);
417 DoCommandP(0, index, 0, CMD_RENAME_SIGN | (StrEmpty(text) ? CMD_MSG(STR_ERROR_CAN_T_DELETE_SIGN) : CMD_MSG(STR_ERROR_CAN_T_CHANGE_SIGN_NAME)), NULL, text);
418 return remove;
419 }
420
421 struct SignWindow : Window, SignList {
422 QueryString name_editbox;
423 SignID cur_sign;
424
425 SignWindow(WindowDesc *desc, const Sign *si) : Window(desc), name_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
426 {
427 this->querystrings[WID_QES_TEXT] = &this->name_editbox;
428 this->name_editbox.caption = STR_EDIT_SIGN_CAPTION;
429 this->name_editbox.cancel_button = WID_QES_CANCEL;
430 this->name_editbox.ok_button = WID_QES_OK;
431
432 this->InitNested(WN_QUERY_STRING_SIGN);
433
434 UpdateSignEditWindow(si);
435 this->SetFocusedWidget(WID_QES_TEXT);
436 }
437
438 void UpdateSignEditWindow(const Sign *si)
439 {
440 /* Display an empty string when the sign hasn't been edited yet */
441 if (si->name != NULL) {
442 SetDParam(0, si->index);
443 this->name_editbox.text.Assign(STR_SIGN_NAME);
444 } else {
445 this->name_editbox.text.DeleteAll();
446 }
447
448 this->cur_sign = si->index;
449
450 this->SetWidgetDirty(WID_QES_TEXT);
451 this->SetFocusedWidget(WID_QES_TEXT);
452 }
453
459 const Sign *PrevNextSign(bool next)
460 {
461 /* Rebuild the sign list */
462 this->signs.ForceRebuild();
463 this->signs.NeedResort();
464 this->BuildSignsList();
465 this->SortSignsList();
466
467 /* Search through the list for the current sign, excluding
468 * - the first sign if we want the previous sign or
469 * - the last sign if we want the next sign */
470 uint end = this->signs.Length() - (next ? 1 : 0);
471 for (uint i = next ? 0 : 1; i < end; i++) {
472 if (this->cur_sign == this->signs[i]->index) {
473 /* We've found the current sign, so return the sign before/after it */
474 return this->signs[i + (next ? 1 : -1)];
475 }
476 }
477 /* If we haven't found the current sign by now, return the last/first sign */
478 return this->signs[next ? 0 : this->signs.Length() - 1];
479 }
480
481 virtual void SetStringParameters(int widget) const
482 {
483 switch (widget) {
484 case WID_QES_CAPTION:
485 SetDParam(0, this->name_editbox.caption);
486 break;
487 }
488 }
489
490 virtual void OnClick(Point pt, int widget, int click_count)
491 {
492 switch (widget) {
493 case WID_QES_PREVIOUS:
494 case WID_QES_NEXT: {
495 const Sign *si = this->PrevNextSign(widget == WID_QES_NEXT);
496
497 /* Rebuild the sign list */
498 this->signs.ForceRebuild();
499 this->signs.NeedResort();
500 this->BuildSignsList();
501 this->SortSignsList();
502
503 /* Scroll to sign and reopen window */
504 ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
505 UpdateSignEditWindow(si);
506 break;
507 }
508
509 case WID_QES_DELETE:
510 /* Only need to set the buffer to null, the rest is handled as the OK button */
511 RenameSign(this->cur_sign, "");
512 /* don't delete this, we are deleted in Sign::~Sign() -> DeleteRenameSignWindow() */
513 break;
514
515 case WID_QES_OK:
516 if (RenameSign(this->cur_sign, this->name_editbox.text.buf)) break;
517 /* FALL THROUGH */
518
519 case WID_QES_CANCEL:
520 delete this;
521 break;
522 }
523 }
524 };
525
526 static const NWidgetPart _nested_query_sign_edit_widgets[] = {
527 NWidget(NWID_HORIZONTAL),
528 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
529 NWidget(WWT_CAPTION, COLOUR_GREY, WID_QES_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
530 EndContainer(),
531 NWidget(WWT_PANEL, COLOUR_GREY),
532 NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QES_TEXT), SetMinimalSize(256, 12), SetDataTip(STR_EDIT_SIGN_SIGN_OSKTITLE, STR_NULL), SetPadding(2, 2, 2, 2),
533 EndContainer(),
534 NWidget(NWID_HORIZONTAL),
535 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
536 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
537 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
538 NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
539 NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
540 NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
541 EndContainer(),
542 };
543
544 static WindowDesc _query_sign_edit_desc(
545 WDP_CENTER, "query_sign", 0, 0,
546 WC_QUERY_STRING, WC_NONE,
547 WDF_CONSTRUCTION,
548 _nested_query_sign_edit_widgets, lengthof(_nested_query_sign_edit_widgets)
549 );
550
555 void HandleClickOnSign(const Sign *si)
556 {
557 if (_ctrl_pressed && (si->owner == _local_company || (si->owner == OWNER_DEITY && _game_mode == GM_EDITOR))) {
558 RenameSign(si->index, NULL);
559 return;
560 }
561 ShowRenameSignWindow(si);
562 }
563
568 void ShowRenameSignWindow(const Sign *si)
569 {
570 /* Delete all other edit windows */
571 DeleteWindowByClass(WC_QUERY_STRING);
572
573 new SignWindow(&_query_sign_edit_desc, si);
574 }
575
580 void DeleteRenameSignWindow(SignID sign)
581 {
582 SignWindow *w = dynamic_cast<SignWindow *>(FindWindowById(WC_QUERY_STRING, WN_QUERY_STRING_SIGN));
583
584 if (w != NULL && w->cur_sign == sign) delete w;
585 }