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/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
Doom 3 Source Code 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, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "sys/platform.h"
#include "ui/DeviceContext.h"
#include "ui/Window.h"
#include "ui/UserInterfaceLocal.h"
#include "ui/FieldWindow.h"
void idFieldWindow::CommonInit() {
cursorPos = 0;
lastTextLength = 0;
lastCursorPos = 0;
paintOffset = 0;
showCursor = false;
}
idFieldWindow::idFieldWindow(idDeviceContext *d, idUserInterfaceLocal *g) : idWindow(d, g) {
dc = d;
gui = g;
CommonInit();
}
idFieldWindow::idFieldWindow(idUserInterfaceLocal *g) : idWindow(g) {
gui = g;
CommonInit();
}
idFieldWindow::~idFieldWindow() {
}
bool idFieldWindow::ParseInternalVar(const char *_name, idParser *src) {
if (idStr::Icmp(_name, "cursorvar") == 0) {
ParseString(src, cursorVar);
return true;
}
if (idStr::Icmp(_name, "showcursor") == 0) {
showCursor = src->ParseBool();
return true;
}
return idWindow::ParseInternalVar(_name, src);
}
void idFieldWindow::CalcPaintOffset(int len) {
lastCursorPos = cursorPos;
lastTextLength = len;
paintOffset = 0;
int tw = dc->TextWidth(text, textScale, -1);
if (tw < textRect.w) {
return;
}
while (tw > textRect.w && len > 0) {
tw = dc->TextWidth(text, textScale, --len);
paintOffset++;
}
}
void idFieldWindow::Draw(int time, float x, float y) {
float scale = textScale;
int len = text.Length();
cursorPos = gui->State().GetInt( cursorVar );
if (len != lastTextLength || cursorPos != lastCursorPos) {
CalcPaintOffset(len);
}
idRectangle rect = textRect;
if (paintOffset >= len) {
paintOffset = 0;
}
if (cursorPos > len) {
cursorPos = len;
}
dc->DrawText(&text[paintOffset], scale, 0, foreColor, rect, false, ((flags & WIN_FOCUS) || showCursor) ? cursorPos - paintOffset : -1);
}
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