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120 lines
3.3 KiB
C++
120 lines
3.3 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 "message.h"
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#include "newgui.h"
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MessageDialog::MessageDialog(NewGui *gui, const String &message)
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: Dialog(gui, 30, 20, 260, 124)
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{
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// First, determine the size the dialog needs. For this we have to break
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// down the string into lines, and taking the maximum of their widths.
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// Using this, and accounting for the space the button(s) need, we can set
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// the real size of the dialog
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const char *str = message.c_str();
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const char *start = str;
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int lineWidth, maxlineWidth = 0;
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int lineCount;
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while (*str) {
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if (*str == '\n') {
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lineWidth = addLine(start, str - start);
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if (maxlineWidth < lineWidth)
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maxlineWidth = lineWidth;
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start = str + 1;
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}
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++str;
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}
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// Add the last line
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lineWidth = addLine(start, str - start);
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if (maxlineWidth < lineWidth)
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maxlineWidth = lineWidth;
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// Calculate the desired dialog size (maxing out at 300*180 for now)
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_w = maxlineWidth + 20;
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lineCount = _lines.size();
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_h = lineCount * kLineHeight + 40;
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if (_h > 180) {
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lineCount = (180 - 34) / kLineHeight;
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_h = lineCount * kLineHeight + 34;
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}
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_x = (320 - _w) / 2;
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_y = (200 - _h) / 2;
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for (int i = 0; i < lineCount; i++) {
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new StaticTextWidget(this, 10, 10+i*kLineHeight, maxlineWidth, kLineHeight,
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_lines[i], kTextAlignCenter);
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}
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// FIXME - allow for multiple buttons, and return in runModal() which one
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// was selected.
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addButton((_w - kButtonWidth)/2, _h - 24, "OK", kCloseCmd, '\n'); // Confirm dialog
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}
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int MessageDialog::addLine(const char *line, int size)
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{
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int width = 0, maxWidth = 0;
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const char *start = line, *pos = line, *end = start + size;
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String tmp;
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while (pos < end) {
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int w = _gui->getCharWidth(*pos);
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// Check if we exceed the maximum line width, if so, split the line.
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// If possible we split at whitespaces.
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if (width + w > 280) {
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// Scan backward till we find a space or we get back to the start
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const char *newPos = pos;
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while (newPos > start && !isspace(*newPos))
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newPos--;
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if (newPos > start)
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pos = newPos;
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// Add the substring from intervall [start, i-1]
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tmp = String(start, pos - start);
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_lines.push_back(tmp);
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// Determine the width of the string, and adjust maxWidth accordingly
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width = _gui->getStringWidth(tmp);
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if (maxWidth < width)
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maxWidth = width;
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start = pos;
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width = 0;
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} else {
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width += w;
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pos++;
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}
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}
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if (maxWidth < width)
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maxWidth = width;
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if (start < pos) {
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tmp = String(start, pos - start);
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_lines.push_back(tmp);
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}
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return maxWidth;
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}
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