89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "titanic/support/text_cursor.h"
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#include "titanic/events.h"
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#include "titanic/support/screen_manager.h"
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#include "titanic/titanic.h"
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#include "common/textconsole.h"
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namespace Titanic {
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CTextCursor::CTextCursor(CScreenManager *screenManager) :
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_screenManager(screenManager), _active(false), _blinkVisible(false),
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_backRenderSurface(nullptr), _frontRenderSurface(nullptr),
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_blinkDelay(300), _size(2, 10), _priorBlinkTime(0),
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_cursorR(0), _cursorG(0), _cursorB(0), _mode(-1) {
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_surface = screenManager->createSurface(10, 10, 16);
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}
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CTextCursor::~CTextCursor() {
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delete _surface;
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}
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void CTextCursor::setColor(byte r, byte g, byte b) {
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_cursorR = r;
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_cursorG = g;
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_cursorB = b;
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}
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void CTextCursor::show() {
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_backRenderSurface = _screenManager->getSurface(SURFACE_BACKBUFFER);
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_frontRenderSurface = _screenManager->getFrontRenderSurface();
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_active = true;
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_priorBlinkTime = g_vm->_events->getTicksCount();
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}
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void CTextCursor::hide() {
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_active = false;
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}
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void CTextCursor::draw() {
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if (!_active)
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return;
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// Handle updating whether the blinking cursor is visible or not
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uint newTicks = g_vm->_events->getTicksCount();
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while (newTicks > (_priorBlinkTime + _blinkDelay)) {
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_priorBlinkTime += _blinkDelay;
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_blinkVisible = !_blinkVisible;
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}
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if (_blinkVisible) {
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Rect cursorRect = getCursorBounds();
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_surface->blitFrom(Common::Point(0, 0), _backRenderSurface, &cursorRect);
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if (!_screenBounds.isEmpty())
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// Limit the cursor rect to only within designated screen area
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cursorRect.constrain(_screenBounds);
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if (!cursorRect.isEmpty()) {
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// Draw cursor onto the screen
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_backRenderSurface->_ddSurface->fillRect(&cursorRect,
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_cursorR, _cursorG, _cursorB);
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}
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//_screenManager->blitFrom(SURFACE_BACKBUFFER, _surface, &_pos);
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}
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}
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} // End of namespace Titanic
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