Added further code for the game dialog framework

svn-id: r48368

1 files changed, 66 insertions, 0 deletions

diff --git a/engines/m4/viewmgr.cpp b/engines/m4/viewmgr.cpp
index 46b4b5af9d..a1e9c3e584 100644
--- a/engines/m4/viewmgr.cpp
+++ b/engines/m4/viewmgr.cpp
@@ -194,6 +194,72 @@ void View::onRefresh(RectList *rects, M4Surface *destSurface) {
 
 //--------------------------------------------------------------------------
 
+MadsTextDisplay::MadsTextDisplay() {
+	for (int i = 0; i < TEXT_DISPLAY_SIZE; ++i)
+		_entries[i].active = false;
+}
+
+int MadsTextDisplay::add(int xp, int yp, uint fontColour, int charSpacing, const char *msg, Font *font) {
+	int usedSlot = -1;
+
+	for (int idx = 0; idx < TEXT_DISPLAY_SIZE; ++idx) {
+		if (!_entries[idx].active) {
+			usedSlot = idx;
+
+			_entries[idx].bounds.left = xp;
+			_entries[idx].bounds.top = yp;
+			_entries[idx].font = font;
+			_entries[idx].msg = msg;
+			_entries[idx].bounds.setWidth(font->getWidth(msg, charSpacing));
+			_entries[idx].bounds.setHeight(font->getHeight());
+			_entries[idx].colour1 = fontColour & 0xff;
+			_entries[idx].colour2 = fontColour >> 8;
+			_entries[idx].spacing = charSpacing;
+			_entries[idx].active2 = 1;
+			_entries[idx].active = true;
+			break;
+		}
+	}
+
+	return usedSlot;
+}
+
+void MadsTextDisplay::draw(View *view) {
+	for (int idx = 0; idx < OLD_TEXT_DISPLAY_SIZE; ++idx) {
+		if (_entries[idx].active && (_entries[idx].active2 >= 0)) {
+			_entries[idx].font->setColours(_entries[idx].colour1, 0xFF,
+				(_entries[idx].colour2 == 0) ? _entries[idx].colour1 : _entries[idx].colour2);
+			_entries[idx].font->writeString(view, _entries[idx].msg, 
+				_entries[idx].bounds.left, _entries[idx].bounds.top, _entries[idx].bounds.width(),
+				_entries[idx].spacing);
+		}
+	}
+
+	// Clear up any now inactive text display entries
+	for (int idx = 0; idx < OLD_TEXT_DISPLAY_SIZE; ++idx) {
+		if (_entries[idx].active2 < 0) {
+			_entries[idx].active = false;
+			_entries[idx].active2 = 0;
+		}
+	}
+}
+
+//--------------------------------------------------------------------------
+
+MadsView::MadsView(MadsM4Engine *vm, const Common::Rect &viewBounds, bool transparent): View(vm, viewBounds, transparent) {
+	_spriteSlotsStart = 0;
+}
+
+MadsView::MadsView(MadsM4Engine *vm, int x, int y, bool transparent): View(vm, x, y, transparent) {
+	_spriteSlotsStart = 0;
+}
+
+int MadsView::getSpriteSlotsIndex() {
+	return _spriteSlotsStart++;
+}
+
+//--------------------------------------------------------------------------
+
 ViewManager::ViewManager(MadsM4Engine *vm): _systemHotkeys(HotkeyList(NULL)), _vm(vm) {
 	_captureScreen = NULL;
 	_captureEvents = false;