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Location: cpp/openttd-patchpack/source/src/signs_gui.cpp - annotation
r25257:56e3bc921253
19.2 KiB
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Change: track hover position on Online Players GUI
Especially if there are many players online, trying to chat with
the right one can be a visual challenge. This can be solved by
highlighting the row you are on. This visual cue is often enough
for humans to find the right row.
Especially if there are many players online, trying to chat with
the right one can be a visual challenge. This can be solved by
highlighting the row you are on. This visual cue is often enough
for humans to find the right row.
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r10156:5d97c842d2d7 r18743:bbdd9a165607 r10156:5d97c842d2d7 r23607:36c15679007d r10156:5d97c842d2d7 | /*
* 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 signs_gui.cpp The GUI for signs. */
#include "stdafx.h"
#include "company_gui.h"
#include "company_func.h"
#include "signs_base.h"
#include "signs_func.h"
#include "debug.h"
#include "command_func.h"
#include "strings_func.h"
#include "window_func.h"
#include "map_func.h"
#include "viewport_func.h"
#include "querystring_gui.h"
#include "sortlist_type.h"
#include "stringfilter_type.h"
#include "string_func.h"
#include "core/geometry_func.hpp"
#include "hotkeys.h"
#include "transparency.h"
#include "gui.h"
#include "widgets/sign_widget.h"
#include "table/strings.h"
#include "table/sprites.h"
#include "safeguards.h"
struct SignList {
/**
* A GUIList contains signs and uses a StringFilter for filtering.
*/
typedef GUIList<const Sign *, StringFilter &> GUISignList;
GUISignList signs;
StringFilter string_filter; ///< The match string to be used when the GUIList is (re)-sorted.
static bool match_case; ///< Should case sensitive matching be used?
static char default_name[64]; ///< Default sign name, used if Sign::name is nullptr.
/**
* Creates a SignList with filtering disabled by default.
*/
SignList() : string_filter(&match_case)
{
}
void BuildSignsList()
{
if (!this->signs.NeedRebuild()) return;
DEBUG(misc, 3, "Building sign list");
this->signs.clear();
for (const Sign *si : Sign::Iterate()) this->signs.push_back(si);
this->signs.SetFilterState(true);
this->FilterSignList();
this->signs.shrink_to_fit();
this->signs.RebuildDone();
}
/** Sort signs by their name */
static bool SignNameSorter(const Sign * const &a, const Sign * const &b)
{
/* Signs are very very rarely using the default text, but there can also be
* a lot of them. Therefore a worthwhile performance gain can be made by
* directly comparing Sign::name instead of going through the string
* system for each comparison. */
const char *a_name = a->name.empty() ? SignList::default_name : a->name.c_str();
const char *b_name = b->name.empty() ? SignList::default_name : b->name.c_str();
int r = strnatcmp(a_name, b_name); // Sort by name (natural sorting).
return r != 0 ? r < 0 : (a->index < b->index);
}
void SortSignsList()
{
if (!this->signs.Sort(&SignNameSorter)) return;
}
/** Filter sign list by sign name */
static bool CDECL SignNameFilter(const Sign * const *a, StringFilter &filter)
{
/* Same performance benefit as above for sorting. */
const char *a_name = (*a)->name.empty() ? SignList::default_name : (*a)->name.c_str();
filter.ResetState();
filter.AddLine(a_name);
return filter.GetState();
}
/** Filter sign list excluding OWNER_DEITY */
static bool CDECL OwnerDeityFilter(const Sign * const *a, StringFilter &filter)
{
/* You should never be able to edit signs of owner DEITY */
return (*a)->owner != OWNER_DEITY;
}
/** Filter sign list by owner */
static bool CDECL OwnerVisibilityFilter(const Sign * const *a, StringFilter &filter)
{
assert(!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS));
/* Hide sign if non-own signs are hidden in the viewport */
return (*a)->owner == _local_company || (*a)->owner == OWNER_DEITY;
}
/** Filter out signs from the sign list that does not match the name filter */
void FilterSignList()
{
this->signs.Filter(&SignNameFilter, this->string_filter);
if (_game_mode != GM_EDITOR) this->signs.Filter(&OwnerDeityFilter, this->string_filter);
if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS)) {
this->signs.Filter(&OwnerVisibilityFilter, this->string_filter);
}
}
};
bool SignList::match_case = false;
char SignList::default_name[64];
/** Enum referring to the Hotkeys in the sign list window */
enum SignListHotkeys {
SLHK_FOCUS_FILTER_BOX, ///< Focus the edit box for editing the filter string
};
struct SignListWindow : Window, SignList {
QueryString filter_editbox; ///< Filter editbox;
int text_offset; ///< Offset of the sign text relative to the left edge of the WID_SIL_LIST widget.
Scrollbar *vscroll;
SignListWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc), filter_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
{
this->CreateNestedTree();
this->vscroll = this->GetScrollbar(WID_SIL_SCROLLBAR);
this->FinishInitNested(window_number);
this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case);
/* Initialize the text edit widget */
this->querystrings[WID_SIL_FILTER_TEXT] = &this->filter_editbox;
this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
/* Initialize the filtering variables */
this->SetFilterString("");
/* Create initial list. */
this->signs.ForceRebuild();
this->signs.ForceResort();
this->BuildSortSignList();
}
void OnInit() override
{
/* Default sign name, used if Sign::name is nullptr. */
GetString(SignList::default_name, STR_DEFAULT_SIGN_NAME, lastof(SignList::default_name));
this->signs.ForceResort();
this->SortSignsList();
this->SetDirty();
}
/**
* This function sets the filter string of the sign list. The contents of
* the edit widget is not updated by this function. Depending on if the
* new string is zero-length or not the clear button is made
* disabled/enabled. The sign list is updated according to the new filter.
*/
void SetFilterString(const char *new_filter_string)
{
/* check if there is a new filter string */
this->string_filter.SetFilterTerm(new_filter_string);
/* Rebuild the list of signs */
this->InvalidateData();
}
void OnPaint() override
{
if (!this->IsShaded() && this->signs.NeedRebuild()) this->BuildSortSignList();
this->DrawWidgets();
}
void DrawWidget(const Rect &r, int widget) const override
{
switch (widget) {
case WID_SIL_LIST: {
uint y = r.top + WD_FRAMERECT_TOP; // Offset from top of widget.
/* No signs? */
if (this->vscroll->GetCount() == 0) {
DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, STR_STATION_LIST_NONE);
return;
}
bool rtl = _current_text_dir == TD_RTL;
int sprite_offset_y = (FONT_HEIGHT_NORMAL - 10) / 2 + 1;
uint icon_left = 4 + (rtl ? r.right - this->text_offset : r.left);
uint text_left = r.left + (rtl ? WD_FRAMERECT_LEFT : this->text_offset);
uint text_right = r.right - (rtl ? this->text_offset : WD_FRAMERECT_RIGHT);
/* At least one sign available. */
for (uint16 i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
const Sign *si = this->signs[i];
if (si->owner != OWNER_NONE) DrawCompanyIcon(si->owner, icon_left, y + sprite_offset_y);
SetDParam(0, si->index);
DrawString(text_left, text_right, y, STR_SIGN_NAME, TC_YELLOW);
y += this->resize.step_height;
}
break;
}
}
}
void SetStringParameters(int widget) const override
{
if (widget == WID_SIL_CAPTION) SetDParam(0, this->vscroll->GetCount());
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_SIL_LIST: {
uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SIL_LIST, WD_FRAMERECT_TOP);
if (id_v == INT_MAX) return;
const Sign *si = this->signs[id_v];
ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
break;
}
case WID_SIL_FILTER_ENTER_BTN:
if (this->signs.size() >= 1) {
const Sign *si = this->signs[0];
ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
}
break;
case WID_SIL_FILTER_MATCH_CASE_BTN:
SignList::match_case = !SignList::match_case; // Toggle match case
this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case); // Toggle button pushed state
this->InvalidateData(); // Rebuild the list of signs
break;
}
}
void OnResize() override
{
this->vscroll->SetCapacityFromWidget(this, WID_SIL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
switch (widget) {
case WID_SIL_LIST: {
Dimension spr_dim = GetSpriteSize(SPR_COMPANY_ICON);
this->text_offset = WD_FRAMETEXT_LEFT + spr_dim.width + 2; // 2 pixels space between icon and the sign text.
resize->height = std::max<uint>(FONT_HEIGHT_NORMAL, spr_dim.height);
Dimension d = {(uint)(this->text_offset + WD_FRAMETEXT_RIGHT), WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM};
*size = maxdim(*size, d);
break;
}
case WID_SIL_CAPTION:
SetDParamMaxValue(0, Sign::GetPoolSize(), 3);
*size = GetStringBoundingBox(STR_SIGN_LIST_CAPTION);
size->height += padding.height;
size->width += padding.width;
break;
}
}
EventState OnHotkey(int hotkey) override
{
switch (hotkey) {
case SLHK_FOCUS_FILTER_BOX:
this->SetFocusedWidget(WID_SIL_FILTER_TEXT);
SetFocusedWindow(this); // The user has asked to give focus to the text box, so make sure this window is focused.
break;
default:
return ES_NOT_HANDLED;
}
return ES_HANDLED;
}
void OnEditboxChanged(int widget) override
{
if (widget == WID_SIL_FILTER_TEXT) this->SetFilterString(this->filter_editbox.text.buf);
}
void BuildSortSignList()
{
if (this->signs.NeedRebuild()) {
this->BuildSignsList();
this->vscroll->SetCount((uint)this->signs.size());
this->SetWidgetDirty(WID_SIL_CAPTION);
}
this->SortSignsList();
}
void OnHundredthTick() override
{
this->BuildSortSignList();
this->SetDirty();
}
/**
* 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.
*/
void OnInvalidateData(int data = 0, bool gui_scope = true) override
{
/* When there is a filter string, we always need to rebuild the list even if
* the amount of signs in total is unchanged, as the subset of signs that is
* accepted by the filter might has changed. */
if (data == 0 || data == -1 || !this->string_filter.IsEmpty()) { // New or deleted sign, changed visibility setting or there is a filter string
/* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
this->signs.ForceRebuild();
} else { // Change of sign contents while there is no filter string
this->signs.ForceResort();
}
}
static HotkeyList hotkeys;
};
/**
* Handler for global hotkeys of the SignListWindow.
* @param hotkey Hotkey
* @return ES_HANDLED if hotkey was accepted.
*/
static EventState SignListGlobalHotkeys(int hotkey)
{
if (_game_mode == GM_MENU) return ES_NOT_HANDLED;
Window *w = ShowSignList();
if (w == nullptr) return ES_NOT_HANDLED;
return w->OnHotkey(hotkey);
}
static Hotkey signlist_hotkeys[] = {
Hotkey('F', "focus_filter_box", SLHK_FOCUS_FILTER_BOX),
HOTKEY_LIST_END
};
HotkeyList SignListWindow::hotkeys("signlist", signlist_hotkeys, SignListGlobalHotkeys);
static const NWidgetPart _nested_sign_list_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SIL_CAPTION), SetDataTip(STR_SIGN_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_SHADEBOX, COLOUR_BROWN),
NWidget(WWT_DEFSIZEBOX, COLOUR_BROWN),
NWidget(WWT_STICKYBOX, COLOUR_BROWN),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(NWID_VERTICAL),
NWidget(WWT_PANEL, COLOUR_BROWN, WID_SIL_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + 255 + WD_FRAMETEXT_RIGHT, 50),
SetResize(1, 10), SetFill(1, 0), SetScrollbar(WID_SIL_SCROLLBAR), EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PANEL, COLOUR_BROWN), SetFill(1, 1),
NWidget(WWT_EDITBOX, COLOUR_BROWN, WID_SIL_FILTER_TEXT), SetMinimalSize(80, 12), SetResize(1, 0), SetFill(1, 0), SetPadding(2, 2, 2, 2),
SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
EndContainer(),
NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SIL_FILTER_MATCH_CASE_BTN), SetDataTip(STR_SIGN_LIST_MATCH_CASE, STR_SIGN_LIST_MATCH_CASE_TOOLTIP),
EndContainer(),
EndContainer(),
NWidget(NWID_VERTICAL),
NWidget(NWID_VERTICAL), SetFill(0, 1),
NWidget(NWID_VSCROLLBAR, COLOUR_BROWN, WID_SIL_SCROLLBAR),
EndContainer(),
NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
EndContainer(),
EndContainer(),
};
static WindowDesc _sign_list_desc(
WDP_AUTO, "list_signs", 358, 138,
WC_SIGN_LIST, WC_NONE,
0,
_nested_sign_list_widgets, lengthof(_nested_sign_list_widgets),
&SignListWindow::hotkeys
);
/**
* Open the sign list window
*
* @return newly opened sign list window, or nullptr if the window could not be opened.
*/
Window *ShowSignList()
{
return AllocateWindowDescFront<SignListWindow>(&_sign_list_desc, 0);
}
/**
* Actually rename the sign.
* @param index the sign to rename.
* @param text the new name.
* @return true if the window will already be removed after returning.
*/
static bool RenameSign(SignID index, const char *text)
{
bool remove = StrEmpty(text);
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)), nullptr, text);
return remove;
}
struct SignWindow : Window, SignList {
QueryString name_editbox;
SignID cur_sign;
SignWindow(WindowDesc *desc, const Sign *si) : Window(desc), name_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
{
this->querystrings[WID_QES_TEXT] = &this->name_editbox;
this->name_editbox.caption = STR_EDIT_SIGN_CAPTION;
this->name_editbox.cancel_button = WID_QES_CANCEL;
this->name_editbox.ok_button = WID_QES_OK;
this->InitNested(WN_QUERY_STRING_SIGN);
UpdateSignEditWindow(si);
this->SetFocusedWidget(WID_QES_TEXT);
}
void UpdateSignEditWindow(const Sign *si)
{
/* Display an empty string when the sign hasn't been edited yet */
if (!si->name.empty()) {
SetDParam(0, si->index);
this->name_editbox.text.Assign(STR_SIGN_NAME);
} else {
this->name_editbox.text.DeleteAll();
}
this->cur_sign = si->index;
this->SetWidgetDirty(WID_QES_TEXT);
this->SetFocusedWidget(WID_QES_TEXT);
}
/**
* Returns a pointer to the (alphabetically) previous or next sign of the current sign.
* @param next false if the previous sign is wanted, true if the next sign is wanted
* @return pointer to the previous/next sign
*/
const Sign *PrevNextSign(bool next)
{
/* Rebuild the sign list */
this->signs.ForceRebuild();
this->signs.NeedResort();
this->BuildSignsList();
this->SortSignsList();
/* Search through the list for the current sign, excluding
* - the first sign if we want the previous sign or
* - the last sign if we want the next sign */
size_t end = this->signs.size() - (next ? 1 : 0);
for (uint i = next ? 0 : 1; i < end; i++) {
if (this->cur_sign == this->signs[i]->index) {
/* We've found the current sign, so return the sign before/after it */
return this->signs[i + (next ? 1 : -1)];
}
}
/* If we haven't found the current sign by now, return the last/first sign */
return next ? this->signs.front() : this->signs.back();
}
void SetStringParameters(int widget) const override
{
switch (widget) {
case WID_QES_CAPTION:
SetDParam(0, this->name_editbox.caption);
break;
}
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_QES_LOCATION: {
const Sign *si = Sign::Get(this->cur_sign);
TileIndex tile = TileVirtXY(si->x, si->y);
if (_ctrl_pressed) {
ShowExtraViewportWindow(tile);
} else {
ScrollMainWindowToTile(tile);
}
break;
}
case WID_QES_PREVIOUS:
case WID_QES_NEXT: {
const Sign *si = this->PrevNextSign(widget == WID_QES_NEXT);
/* Rebuild the sign list */
this->signs.ForceRebuild();
this->signs.NeedResort();
this->BuildSignsList();
this->SortSignsList();
/* Scroll to sign and reopen window */
ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
UpdateSignEditWindow(si);
break;
}
case WID_QES_DELETE:
/* Only need to set the buffer to null, the rest is handled as the OK button */
RenameSign(this->cur_sign, "");
/* don't delete this, we are deleted in Sign::~Sign() -> DeleteRenameSignWindow() */
break;
case WID_QES_OK:
if (RenameSign(this->cur_sign, this->name_editbox.text.buf)) break;
FALLTHROUGH;
case WID_QES_CANCEL:
delete this;
break;
}
}
};
static const NWidgetPart _nested_query_sign_edit_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY),
NWidget(WWT_CAPTION, COLOUR_GREY, WID_QES_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_QES_LOCATION), SetMinimalSize(12, 14), SetDataTip(SPR_GOTO_LOCATION, STR_EDIT_SIGN_LOCATION_TOOLTIP),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY),
NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QES_TEXT), SetMinimalSize(256, 12), SetDataTip(STR_EDIT_SIGN_SIGN_OSKTITLE, STR_NULL), SetPadding(2, 2, 2, 2),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
EndContainer(),
};
static WindowDesc _query_sign_edit_desc(
WDP_CENTER, "query_sign", 0, 0,
WC_QUERY_STRING, WC_NONE,
WDF_CONSTRUCTION,
_nested_query_sign_edit_widgets, lengthof(_nested_query_sign_edit_widgets)
);
/**
* Handle clicking on a sign.
* @param si The sign that was clicked on.
*/
void HandleClickOnSign(const Sign *si)
{
if (_ctrl_pressed && (si->owner == _local_company || (si->owner == OWNER_DEITY && _game_mode == GM_EDITOR))) {
RenameSign(si->index, nullptr);
return;
}
ShowRenameSignWindow(si);
}
/**
* Show the window to change the text of a sign.
* @param si The sign to show the window for.
*/
void ShowRenameSignWindow(const Sign *si)
{
/* Delete all other edit windows */
DeleteWindowByClass(WC_QUERY_STRING);
new SignWindow(&_query_sign_edit_desc, si);
}
/**
* Close the sign window associated with the given sign.
* @param sign The sign to close the window for.
*/
void DeleteRenameSignWindow(SignID sign)
{
SignWindow *w = dynamic_cast<SignWindow *>(FindWindowById(WC_QUERY_STRING, WN_QUERY_STRING_SIGN));
if (w != nullptr && w->cur_sign == sign) delete w;
}
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