ZVISION: Partially implement InputControl

3 files changed, 202 insertions, 0 deletions

diff --git a/engines/zvision/input_control.cpp b/engines/zvision/input_control.cpp
new file mode 100644
index 0000000000..ab4cc6bd62
--- /dev/null
+++ b/engines/zvision/input_control.cpp
@@ -0,0 +1,141 @@
+/* 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/scummsys.h"
+
+#include "common/str.h"
+#include "common/stream.h"
+#include "common/rect.h"
+
+#include "zvision/input_control.h"
+#include "zvision/zvision.h"
+#include "zvision/script_manager.h"
+#include "zvision/string_manager.h"
+#include "zvision/render_manager.h"
+#include "zvision/utility.h"
+
+
+namespace ZVision {
+
+InputControl::InputControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream) 
+		: Control(engine, key),
+		  _nextTabstop(0),
+		  _focused(false),
+		  _textChanged(false),
+		  _cursorOffset(0) {
+	// Loop until we find the closing brace
+	Common::String line = stream.readLine();
+	trimCommentsAndWhiteSpace(&line);
+
+	while (!stream.eos() && !line.contains('}')) {
+		if (line.matchString("*rectangle*", true)) {
+			int x1;
+			int y1;
+			int x2;
+			int y2;
+
+			sscanf(line.c_str(), "%*[^(](%d %d %d %d)", &x1, &y1, &x2, &y2);
+
+			_textRectangle = Common::Rect(x1, y1, x2, y2);
+		} else if (line.matchString("*aux_hotspot*", true)) {
+			int x1;
+			int y1;
+			int x2;
+			int y2;
+
+			sscanf(line.c_str(), "%*[^(](%d %d %d %d)", &x1, &y1, &x2, &y2);
+
+			_headerRectangle = Common::Rect(x1, y1, x2, y2);
+		} else if (line.matchString("*string_init*", true)) {
+			uint fontFormatNumber;
+
+			sscanf(line.c_str(), "%*[^(](%u)", &fontFormatNumber);
+
+			_textStyle = _engine->getStringManager()->getTextStyle(fontFormatNumber);
+		} else if (line.matchString("*next_tabstop*", true)) {
+			sscanf(line.c_str(), "%*[^(](%u)", &_nextTabstop);
+		} else if (line.matchString("*cursor_animation*", true)) {
+			char fileName[25];
+
+			sscanf(line.c_str(), "%*[^(](%25s %*u)", fileName);
+
+			_cursorAnimationFileName = Common::String(fileName);
+		} else if (line.matchString("*cursor_dimensions*", true)) {
+			// Ignore, use the dimensions in the animation file
+		} else if (line.matchString("*cursor_animation_frames*", true)) {
+			// Ignore, use the frame count in the animation file
+		} else if (line.matchString("*focus*", true)) {
+			_focused = true;
+		}
+
+		line = stream.readLine();
+		trimCommentsAndWhiteSpace(&line);
+	}
+}
+
+void InputControl::onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	_engine->getScriptManager()->focusControl(_key);
+}
+
+void InputControl::onKeyDown(Common::KeyState keyState) {
+	if (!_focused) {
+		return;
+	}
+
+	if (keyState.keycode == Common::KEYCODE_BACKSPACE) {
+		_currentInputText.deleteLastChar();
+	} else if (keyState.keycode == Common::KEYCODE_TAB) {
+		_focused = false;
+		// Focus the next input control
+		_engine->getScriptManager()->focusControl(_nextTabstop);
+	} else {
+		// Otherwise, append the new character to the end of the current text
+
+		uint16 asciiValue = keyState.ascii;
+		// We only care about text values
+		if (asciiValue >= 32 && asciiValue <= 126) {
+			_currentInputText += (char)asciiValue;
+			_textChanged = true;
+		}
+	}
+}
+
+bool InputControl::process(uint32 deltaTimeInMillis) {
+	if (!_focused) {
+		return false;
+	}
+
+	// First see if we need to render the text
+	if (_textChanged) {
+		// Blit the text using the RenderManager
+		Common::Rect destRect = _engine->getRenderManager()->renderTextToWorkingWindow(_key, _currentInputText, _textStyle.font, _textRectangle.left, _textRectangle.top, _textStyle.color, _textRectangle.width());
+
+		_cursorOffset = destRect.left - _textRectangle.left;
+	}
+
+	// Render the next frame of the animation
+	// TODO: Implement animation handling
+
+	return false;
+}
+
+} // End of namespace ZVision
diff --git a/engines/zvision/input_control.h b/engines/zvision/input_control.h
new file mode 100644
index 0000000000..33a1b34313
--- /dev/null
+++ b/engines/zvision/input_control.h
@@ -0,0 +1,60 @@
+/* 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.
+ *
+ */
+
+#ifndef ZVISION_INPUT_CONTROL_H
+#define ZVISION_INPUT_CONTROL_H
+
+#include "common/types.h"
+
+#include "zvision/control.h"
+#include "zvision/string_manager.h"
+
+
+namespace ZVision {
+
+class InputControl : public Control {
+public:
+	InputControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream);
+
+private:
+	Common::Rect _textRectangle;
+	Common::Rect _headerRectangle;
+	StringManager::TextStyle _textStyle;
+	uint32 _nextTabstop;
+	Common::String _cursorAnimationFileName;
+	bool _focused;
+
+	Common::String _currentInputText;
+	bool _textChanged;
+	uint _cursorOffset;
+
+public:
+	void focus() { _focused = true; }
+	void unfocus() { _focused = false; }
+	void onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
+	void onKeyDown(Common::KeyState keyState);
+	bool process(uint32 deltaTimeInMillis);
+};
+
+} // End of namespace ZVision
+
+#endif
diff --git a/engines/zvision/module.mk b/engines/zvision/module.mk
index cb4a3609e9..2f2929db67 100644
--- a/engines/zvision/module.mk
+++ b/engines/zvision/module.mk
@@ -11,6 +11,7 @@ MODULE_OBJS := \
 	cursor_manager.o \
 	detection.o \
 	events.o \
+	input_control.o \
 	lever_control.o \
 	lzss_read_stream.o \
 	push_toggle_control.o \