MACVENTURE: Add dialog system

1 files changed, 254 insertions, 0 deletions

diff --git a/engines/macventure/dialog.cpp b/engines/macventure/dialog.cpp
new file mode 100644
index 0000000000..78fb942db1
--- /dev/null
+++ b/engines/macventure/dialog.cpp
@@ -0,0 +1,254 @@
+/* ScummVM - Graphic Adventure Engine
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program 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 2
+* of the License, or (at your option) any later version.
+
+* This program 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 this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
+
+#include "common/system.h"
+
+#include "macventure/dialog.h"
+
+namespace MacVenture {
+
+// Prebuilt dialogs
+
+enum {
+  // HACK
+  kMaxPrebuiltDialogElements = 10
+};
+
+struct PrebuiltDialog {
+  Common::Rect bounds;
+  PrebuiltDialogElement elements[kMaxPrebuiltDialogElements];
+};
+
+PrebuiltDialog prebuiltDialogs[kPrebuiltDialogCount] = {
+
+  {/* kSaveAsDialog */
+  Common::Rect(0, 146, 456, 254),
+  { {kDEButton, "YES", kDANone, Common::Point(24, 68), 120, 22},
+    {kDEButton, "NO", kDACloseDialog, Common::Point(168, 68), 120, 22},
+    {kDEButton, "CANCEL", kDACloseDialog, Common::Point(312, 68), 120, 22},
+    {kDEPlainText, "Save As...", kDANone, Common::Point(100, 10), 340, 38},
+    {kDETextInput, "", kDANone, Common::Point(100, 30), 340, 20},
+    {kDEEnd, "", kDANone, Common::Point(0, 0), 0, 0}}
+  }
+
+};
+
+Dialog::Dialog(Gui *gui, Common::Point pos, uint width, uint height) :
+  _gui(gui), _bounds(Common::Rect(pos.x, pos.y, pos.x + width, pos.y + height)) {}
+
+Dialog::Dialog(Gui *gui, PrebuiltDialogs prebuilt) {
+  _gui = gui;
+  const PrebuiltDialog &dialog = prebuiltDialogs[prebuilt];
+  _bounds = dialog.bounds;
+  for (int i = 0; dialog.elements[i].type != kDEEnd; i++) {
+    addPrebuiltElement(dialog.elements[i]);
+  }
+}
+
+Dialog::~Dialog() {
+  for (Common::Array<DialogElement*>::iterator it = _elements.begin(); it != _elements.end(); it++) {
+    delete *it;
+  }
+}
+
+void Dialog::handleDialogAction(DialogElement *trigger, DialogAction action) {
+  switch(action) {
+  case kDACloseDialog:
+    _gui->closeDialog();
+    break;
+  }
+}
+
+const Graphics::Font& Dialog::getFont() {
+  return _gui->getCurrentFont();
+}
+
+bool Dialog::processEvent(Common::Event event) {
+  for (Common::Array<DialogElement*>::iterator it = _elements.begin(); it != _elements.end(); it++) {
+    if ((*it)->processEvent(this, event)) return true;
+  }
+}
+
+void Dialog::addButton(Common::String title, MacVenture::DialogAction action, Common::Point position, uint width, uint height)  {
+  _elements.push_back(new DialogButton(this, title, action, position, width, height));
+}
+
+void Dialog::addText(Common::String content, Common::Point position)  {
+  _elements.push_back(new DialogPlainText(this, content, position));
+}
+
+void Dialog::addTextInput(Common::Point position, int width, int height) {
+  _elements.push_back(new DialogTextInput(this, position, width, height));
+}
+
+void Dialog::draw()  {
+  Graphics::ManagedSurface compose;
+  // Compose the surface
+  compose.create(_bounds.width(), _bounds.height());
+  Common::Rect base(0, 0, _bounds.width(), _bounds.height());
+  compose.fillRect(base, kColorWhite);
+  compose.frameRect(base, kColorBlack);
+  for (Common::Array<DialogElement*>::iterator it = _elements.begin(); it != _elements.end(); it++) {
+    (*it)->draw(this, compose);
+  }
+
+  g_system->copyRectToScreen(compose.getPixels(), compose.pitch,
+    _bounds.left, _bounds.top, _bounds.width(), _bounds.height());
+}
+
+void Dialog::localize(Common::Point &point) {
+  point.x -= _bounds.left;
+  point.y -= _bounds.top;
+}
+
+void Dialog::setUserInput(Common::String content) {
+  _userInput = content;
+  debug(2, "Set user input: %s", _userInput.c_str());
+}
+
+void Dialog::addPrebuiltElement(const MacVenture::PrebuiltDialogElement &element) {
+  switch(element.type) {
+    case kDEButton:
+      addButton(element.title, element.action, element.position, element.width, element.height);
+      break;
+    case kDEPlainText:
+      addText(element.title, element.position);
+      break;
+    case kDETextInput:
+      addTextInput(element.position, element.width, element.height);
+      break;
+  }
+}
+
+// Dialog Element
+
+DialogElement::DialogElement(Dialog *dialog, Common::String title, DialogAction action, Common::Point position, uint width, uint height) :
+  _text(title), _action(action) {
+    if (width == 0) {
+      width = dialog->getFont().getStringWidth(title);
+    }
+    if (height == 0) {
+      height = dialog->getFont().getFontHeight();
+    }
+    _bounds = Common::Rect(position.x, position.y, position.x + width, position.y + height);
+  }
+
+bool DialogElement::processEvent(MacVenture::Dialog *dialog, Common::Event event)  {
+  // HACK for test, please delete me
+  Common::Point mouse = event.mouse;
+  dialog->localize(mouse);
+  if (_bounds.contains(mouse)) debug(1, "Hovering over: %s", _text.c_str());
+
+  return doProcessEvent(dialog, event);
+}
+
+void DialogElement::draw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) {
+  doDraw(dialog, target);
+}
+
+const Common::String& DialogElement::getText() {
+  return doGetText();
+}
+
+const Common::String& DialogElement::doGetText() {
+  return _text;
+}
+
+// CONCRETE DIALOG ELEMENTS
+
+DialogButton::DialogButton(Dialog *dialog, Common::String title, DialogAction action, Common::Point position, uint width, uint height):
+  DialogElement(dialog, title, action, position, width, height) {}
+
+bool DialogButton::doProcessEvent(MacVenture::Dialog *dialog, Common::Event event) {
+  Common::Point mouse = event.mouse;
+  if (event.type == Common::EVENT_LBUTTONDOWN) {
+    dialog->localize(mouse);
+    if (_bounds.contains(mouse)) {
+      debug(1, "Click! Button: %s", _text.c_str());
+      dialog->handleDialogAction(this, _action);
+      return true;
+    }
+  }
+  return false;
+}
+
+void DialogButton::doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) {
+  target.fillRect(_bounds, kColorWhite);
+  target.frameRect(_bounds, kColorBlack);
+  // Draw title
+  dialog->getFont().drawString(
+    &target, _text, _bounds.left, _bounds.top, _bounds.width(), kColorBlack, Graphics::kTextAlignCenter);
+}
+
+DialogPlainText::DialogPlainText(Dialog *dialog, Common::String content, Common::Point position) :
+  DialogElement(dialog, content, kDANone, position, 0, 0) { }
+
+DialogPlainText::~DialogPlainText() {}
+
+bool DialogPlainText::doProcessEvent(MacVenture::Dialog *dialog, Common::Event event) {
+  return false;
+}
+
+void DialogPlainText::doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) {
+  // Draw contents
+  dialog->getFont().drawString(
+    &target, _text, _bounds.left, _bounds.top, _bounds.width(), kColorBlack);
+
+}
+
+DialogTextInput::DialogTextInput(Dialog *dialog, Common::Point position, uint width, uint height) :
+  DialogElement(dialog, "", kDANone, position, width, height) {}
+DialogTextInput::~DialogTextInput() {}
+
+bool DialogTextInput::doProcessEvent(Dialog *dialog, Common::Event event) {
+  if (event.type == Common::EVENT_KEYDOWN) {
+    switch (event.kbd.keycode) {
+			case Common::KEYCODE_BACKSPACE:
+				if (!_text.empty()) {
+					_text.deleteLastChar();
+          dialog->setUserInput(_text);
+          return true;
+				}
+				break;
+
+			default:
+				if (event.kbd.ascii >= 0x20 && event.kbd.ascii <= 0x7f) {
+					_text += (char)event.kbd.ascii;
+          dialog->setUserInput(_text);
+          return true;
+				}
+
+				break;
+    }
+  }
+  return false;
+}
+void DialogTextInput::doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) {
+  target.fillRect(_bounds, kColorWhite);
+  target.frameRect(_bounds, kColorBlack);
+  dialog->getFont().drawString(
+    &target, _text, _bounds.left, _bounds.top, _bounds.width(), kColorBlack);
+}
+
+
+
+} // End of namespace MacVenture