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/* $Id$ */
/*
* 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 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 "gfx_func.h"
#include "viewport_func.h"
#include "querystring_gui.h"
#include "sortlist_type.h"
#include "string_func.h"
#include "core/geometry_func.hpp"
#include "table/strings.h"
#include "table/sprites.h"
struct SignList {
typedef GUIList<const Sign *> GUISignList;
static const Sign *last_sign;
GUISignList signs;
void BuildSignsList()
{
if (!this->signs.NeedRebuild()) return;
DEBUG(misc, 3, "Building sign list");
this->signs.Clear();
const Sign *si;
FOR_ALL_SIGNS(si) *this->signs.Append() = si;
this->signs.Compact();
this->signs.RebuildDone();
}
/** Sort signs by their name */
static int CDECL SignNameSorter(const Sign * const *a, const Sign * const *b)
{
static char buf_cache[64];
char buf[64];
SetDParam(0, (*a)->index);
GetString(buf, STR_SIGN_NAME, lastof(buf));
if (*b != last_sign) {
last_sign = *b;
SetDParam(0, (*b)->index);
GetString(buf_cache, STR_SIGN_NAME, lastof(buf_cache));
}
int r = strcasecmp(buf, buf_cache);
return r != 0 ? r : ((*a)->index - (*b)->index);
}
void SortSignsList()
{
if (!this->signs.Sort(&SignNameSorter)) return;
/* Reset the name sorter sort cache */
this->last_sign = NULL;
}
};
const Sign *SignList::last_sign = NULL;
/** Enum referring to the widgets of the sign list window */
enum SignListWidgets {
SLW_CAPTION,
SLW_LIST,
SLW_SCROLLBAR,
};
struct SignListWindow : Window, SignList {
int text_offset; // Offset of the sign text relative to the left edge of the SLW_LIST widget.
Scrollbar *vscroll;
SignListWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
{
this->CreateNestedTree(desc);
this->vscroll = this->GetScrollbar(SLW_SCROLLBAR);
this->FinishInitNested(desc, window_number);
/* Create initial list. */
this->signs.ForceRebuild();
this->signs.ForceResort();
this->BuildSignsList();
this->SortSignsList();
this->vscroll->SetCount(this->signs.Length());
}
virtual void OnPaint()
{
this->DrawWidgets();
}
virtual void DrawWidget(const Rect &r, int widget) const
{
switch (widget) {
case SLW_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, y, STR_STATION_LIST_NONE);
return;
}
bool rtl = _dynlang.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;
}
}
}
virtual void SetStringParameters(int widget) const
{
if (widget == SLW_CAPTION) SetDParam(0, this->vscroll->GetCount());
}
virtual void OnClick(Point pt, int widget, int click_count)
{
if (widget == SLW_LIST) {
uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SLW_LIST, WD_FRAMERECT_TOP);
if (id_v == INT_MAX) return;
const Sign *si = this->signs[id_v];
ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
}
}
virtual void OnResize()
{
this->vscroll->SetCapacityFromWidget(this, SLW_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
}
virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
{
switch (widget) {
case SLW_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 = max<uint>(FONT_HEIGHT_NORMAL, GetSpriteSize(SPR_COMPANY_ICON).height);
Dimension d = {this->text_offset + MAX_LENGTH_SIGN_NAME_PIXELS + WD_FRAMETEXT_RIGHT, WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM};
*size = maxdim(*size, d);
break;
}
case SLW_CAPTION:
SetDParam(0, max<size_t>(1000, Sign::GetPoolSize()));
*size = GetStringBoundingBox(STR_SIGN_LIST_CAPTION);
size->height += padding.height;
size->width += padding.width;
break;
}
}
virtual void OnInvalidateData(int data)
{
if (data == 0) { // New or deleted sign.
this->signs.ForceRebuild();
this->BuildSignsList();
this->SetWidgetDirty(SLW_CAPTION);
this->vscroll->SetCount(this->signs.Length());
} else { // Change of sign contents.
this->signs.ForceResort();
}
this->SortSignsList();
}
};
static const NWidgetPart _nested_sign_list_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY),
NWidget(WWT_CAPTION, COLOUR_GREY, SLW_CAPTION), SetDataTip(STR_SIGN_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_SHADEBOX, COLOUR_GREY),
NWidget(WWT_STICKYBOX, COLOUR_GREY),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PANEL, COLOUR_GREY, SLW_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + MAX_LENGTH_SIGN_NAME_PIXELS + WD_FRAMETEXT_RIGHT, 50),
SetResize(1, 10), SetFill(1, 0), SetScrollbar(SLW_SCROLLBAR), EndContainer(),
NWidget(NWID_VERTICAL),
NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SLW_SCROLLBAR),
NWidget(WWT_RESIZEBOX, COLOUR_GREY),
EndContainer(),
EndContainer(),
};
static const WindowDesc _sign_list_desc(
WDP_AUTO, 358, 138,
WC_SIGN_LIST, WC_NONE,
0,
_nested_sign_list_widgets, lengthof(_nested_sign_list_widgets)
);
void ShowSignList()
{
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)), NULL, text);
return remove;
}
/** Widget numbers of the query sign edit window. */
enum QueryEditSignWidgets {
QUERY_EDIT_SIGN_WIDGET_CAPTION,
QUERY_EDIT_SIGN_WIDGET_TEXT,
QUERY_EDIT_SIGN_WIDGET_OK,
QUERY_EDIT_SIGN_WIDGET_CANCEL,
QUERY_EDIT_SIGN_WIDGET_DELETE,
QUERY_EDIT_SIGN_WIDGET_PREVIOUS,
QUERY_EDIT_SIGN_WIDGET_NEXT,
};
struct SignWindow : QueryStringBaseWindow, SignList {
SignID cur_sign;
SignWindow(const WindowDesc *desc, const Sign *si) : QueryStringBaseWindow(MAX_LENGTH_SIGN_NAME_BYTES)
{
this->caption = STR_EDIT_SIGN_CAPTION;
this->afilter = CS_ALPHANUMERAL;
this->InitNested(desc);
this->LowerWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
UpdateSignEditWindow(si);
this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
}
void UpdateSignEditWindow(const Sign *si)
{
char *last_of = &this->edit_str_buf[this->edit_str_size - 1]; // points to terminating '\0'
/* Display an empty string when the sign hasnt been edited yet */
if (si->name != NULL) {
SetDParam(0, si->index);
GetString(this->edit_str_buf, STR_SIGN_NAME, last_of);
} else {
GetString(this->edit_str_buf, STR_EMPTY, last_of);
}
*last_of = '\0';
this->cur_sign = si->index;
InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, MAX_LENGTH_SIGN_NAME_PIXELS);
this->SetWidgetDirty(QUERY_EDIT_SIGN_WIDGET_TEXT);
this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_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 */
uint end = this->signs.Length() - (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 this->signs[next ? 0 : this->signs.Length() - 1];
}
virtual void SetStringParameters(int widget) const
{
switch (widget) {
case QUERY_EDIT_SIGN_WIDGET_CAPTION:
SetDParam(0, this->caption);
break;
}
}
virtual void OnPaint()
{
this->DrawWidgets();
if (!this->IsShaded()) this->DrawEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);
}
virtual void OnClick(Point pt, int widget, int click_count)
{
switch (widget) {
case QUERY_EDIT_SIGN_WIDGET_PREVIOUS:
case QUERY_EDIT_SIGN_WIDGET_NEXT: {
const Sign *si = this->PrevNextSign(widget == QUERY_EDIT_SIGN_WIDGET_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 QUERY_EDIT_SIGN_WIDGET_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 QUERY_EDIT_SIGN_WIDGET_OK:
if (RenameSign(this->cur_sign, this->text.buf)) break;
/* FALL THROUGH */
case QUERY_EDIT_SIGN_WIDGET_CANCEL:
delete this;
break;
}
}
virtual EventState OnKeyPress(uint16 key, uint16 keycode)
{
EventState state = ES_NOT_HANDLED;
switch (this->HandleEditBoxKey(QUERY_EDIT_SIGN_WIDGET_TEXT, key, keycode, state)) {
default: break;
case HEBR_CONFIRM:
if (RenameSign(this->cur_sign, this->text.buf)) break;
/* FALL THROUGH */
case HEBR_CANCEL: // close window, abandon changes
delete this;
break;
}
return state;
}
virtual void OnMouseLoop()
{
this->HandleEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);
}
virtual void OnOpenOSKWindow(int wid)
{
ShowOnScreenKeyboard(this, wid, QUERY_EDIT_SIGN_WIDGET_CANCEL, QUERY_EDIT_SIGN_WIDGET_OK);
}
};
static const NWidgetPart _nested_query_sign_edit_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY),
NWidget(WWT_CAPTION, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY),
NWidget(WWT_EDITBOX, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_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, QUERY_EDIT_SIGN_WIDGET_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
EndContainer(),
};
static const WindowDesc _query_sign_edit_desc(
WDP_AUTO, 0, 0,
WC_QUERY_STRING, WC_NONE,
WDF_CONSTRUCTION | WDF_UNCLICK_BUTTONS,
_nested_query_sign_edit_widgets, lengthof(_nested_query_sign_edit_widgets)
);
void HandleClickOnSign(const Sign *si)
{
if (_ctrl_pressed && si->owner == _local_company) {
RenameSign(si->index, NULL);
return;
}
ShowRenameSignWindow(si);
}
void ShowRenameSignWindow(const Sign *si)
{
/* Delete all other edit windows */
DeleteWindowById(WC_QUERY_STRING, 0);
new SignWindow(&_query_sign_edit_desc, si);
}
void DeleteRenameSignWindow(SignID sign)
{
SignWindow *w = dynamic_cast<SignWindow *>(FindWindowById(WC_QUERY_STRING, 0));
if (w != NULL && w->cur_sign == sign) delete w;
}
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