mirror of
https://github.com/libretro/scummvm.git
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ee70457667
svn-id: r14557
169 lines
4.6 KiB
C++
169 lines
4.6 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2004 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 "common/str.h"
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#include "gui/message.h"
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#include "gui/newgui.h"
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#include "gui/widget.h"
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namespace GUI {
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enum {
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kOkCmd = 'OK ',
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kCancelCmd = 'CNCL'
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};
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// TODO: The default button should be visibly distinct from the alternate button
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MessageDialog::MessageDialog(const String &message, const char *defaultButton, const char *altButton)
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: Dialog(30, 20, 260, 124) {
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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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StringList lines;
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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, okButtonPos, cancelButtonPos;
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while (*str) {
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if (*str == '\n') {
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lineWidth = addLine(lines, 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(lines, 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 + 16;
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if (defaultButton || altButton)
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_h += 24;
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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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if (defaultButton && altButton) {
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okButtonPos = (_w - (kButtonWidth * 2)) / 2;
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cancelButtonPos = ((_w - (kButtonWidth * 2)) / 2) + kButtonWidth + 10;
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} else {
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okButtonPos = cancelButtonPos = (_w-kButtonWidth) / 2;
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}
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if (defaultButton)
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addButton(okButtonPos, _h - 24, defaultButton, kOkCmd, '\n'); // Confirm dialog
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if (altButton)
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addButton(cancelButtonPos, _h - 24, altButton, kCancelCmd, '\27'); // Cancel dialog
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}
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int MessageDialog::addLine(StringList &lines, const char *line, int size) {
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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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NewGui *gui = &g_gui;
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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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void MessageDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
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// FIXME: It's a really bad thing that we use two arbitrary constants
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if (cmd == kOkCmd) {
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setResult(kMessageOK);
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close();
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} else if (cmd == kCancelCmd) {
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setResult(kMessageCancel);
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close();
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} else {
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Dialog::handleCommand(sender, cmd, data);
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}
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}
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TimedMessageDialog::TimedMessageDialog(const Common::String &message, uint32 duration)
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: MessageDialog(message, 0, 0) {
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_timer = g_system->get_msecs() + duration;
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}
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void TimedMessageDialog::handleTickle() {
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MessageDialog::handleTickle();
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if (g_system->get_msecs() > _timer)
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close();
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}
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} // End of namespace GUI
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