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https://github.com/libretro/scummvm.git
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141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "EditTextWidget.h"
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#include "dialog.h"
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#include "newgui.h"
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EditTextWidget::EditTextWidget(Dialog *boss, int x, int y, int w, int h, const String &text)
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: StaticTextWidget(boss, x, y-1, w, h+2, text, kTextAlignLeft), _backupString(text)
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{
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_flags = WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE;
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_type = kEditTextWidget;
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_caretVisible = false;
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_caretTime = 0;
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}
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void EditTextWidget::handleTickle()
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{
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uint32 time = _boss->getGui()->get_time();
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if (_caretTime < time) {
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_caretTime = time + kCaretBlinkTime;
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if (_caretVisible) {
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drawCaret(true);
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} else {
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drawCaret(false);
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}
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}
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}
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void EditTextWidget::handleMouseDown(int x, int y, int button, int clickCount)
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{
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// TODO - once we support "real editing" (i.e. caret can be at any spot),
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// a mouse click should place the caret.
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}
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bool EditTextWidget::handleKeyDown(uint16 ascii, int keycode, int modifiers)
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{
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bool handled = true;
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bool dirty = false;
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// First remove caret
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if (_caretVisible)
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drawCaret(true);
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switch (keycode) {
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case '\n': // enter/return
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case '\r':
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_boss->releaseFocus();
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dirty = true;
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break;
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case 27: // escape
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_label = _backupString;
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_boss->releaseFocus();
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dirty = true;
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break;
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case 8: // backspace
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_label.deleteLastChar();
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dirty = true;
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break;
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case 256+20: // left arrow
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break;
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case 256+19: // right arrow
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break;
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case 256+22: // home
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break;
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case 256+23: // end
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break;
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default:
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if (isprint((char)ascii)) {
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_label += (char)ascii;
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dirty = true;
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} else {
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handled = false;
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}
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}
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if (dirty)
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draw();
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return handled;
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}
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void EditTextWidget::drawWidget(bool hilite)
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{
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NewGui *gui = _boss->getGui();
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// Draw a thin frame around us.
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gui->hline(_x, _y, _x+_w-1, gui->_color);
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gui->hline(_x, _y+_h-1, _x+_w-1, gui->_shadowcolor);
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gui->vline(_x, _y, _y+_h-1, gui->_color);
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gui->vline(_x+_w-1, _y, _y+_h-1, gui->_shadowcolor);
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// Draw the text
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_align = (gui->getStringWidth(_label) > _w-6) ? kTextAlignRight : kTextAlignLeft;
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gui->drawString(_label, _x+2, _y+3, _w-6, gui->_textcolor, _align);
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}
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void EditTextWidget::drawCaret(bool erase)
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{
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// Only draw if item is visible
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if (!isVisible() || !_boss->isVisible())
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return;
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NewGui *gui = _boss->getGui();
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int16 color = erase ? gui->_bgcolor : gui->_textcolorhi;
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int x = _x + _boss->getX() + 3;
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int y = _y + _boss->getY() + 1;
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// TODO - once we support "real editing" (i.e. caret can be at any spot),
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// x should be calculated based on the current caret position.
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int width = gui->getStringWidth(_label);
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if (width > _w-6)
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width = _w-6;
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x += width;
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gui->vline(x, y, y+kLineHeight, color);
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gui->addDirtyRect(x, y, 2, kLineHeight);
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_caretVisible = !erase;
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}
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