diff options
Diffstat (limited to 'engines/bladerunner/ui/ui_image_picker.cpp')
-rw-r--r-- | engines/bladerunner/ui/ui_image_picker.cpp | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/engines/bladerunner/ui/ui_image_picker.cpp b/engines/bladerunner/ui/ui_image_picker.cpp new file mode 100644 index 0000000000..997ff7bc5e --- /dev/null +++ b/engines/bladerunner/ui/ui_image_picker.cpp @@ -0,0 +1,331 @@ +/* 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 "bladerunner/ui/ui_image_picker.h" + +#include "bladerunner/bladerunner.h" +#include "bladerunner/font.h" +#include "bladerunner/mouse.h" +#include "bladerunner/shape.h" + +#include "common/rect.h" +#include "common/str.h" +#include "graphics/surface.h" + +namespace BladeRunner { + +UIImagePicker::UIImagePicker(BladeRunnerEngine *vm, int imageCount) { + _vm = vm; + reset(); + _images.resize(imageCount); + _imageCount = imageCount; + resetImages(); +} + +UIImagePicker::~UIImagePicker() { + _images.clear(); + reset(); +} + +void UIImagePicker::resetImages() { + for (int i = 0; i != _imageCount; i++) { + resetImage(i); + } +} + +bool UIImagePicker::defineImage(int i, Common::Rect rect, const Shape *shapeUp, const Shape *shapeHovered, const Shape *shapeDown, const char *tooltip) { + if (i < 0 || i >= _imageCount || _images[i].active) { + return false; + } + + Image &img = _images[i]; + + img.rect = rect; + // for rect to be inclusive + img.rect.right += 1; + img.rect.bottom += 1; + img.shapeUp = shapeUp; + img.shapeHovered = shapeHovered; + img.shapeDown = shapeDown; + img.active = true; + + if (tooltip != nullptr) { + img.tooltip = tooltip; + } else { + img.tooltip.clear(); + } + + return true; +} + +bool UIImagePicker::setImageTop(int i, int top) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + Image &img = _images[i]; + + img.rect.moveTo(img.rect.left, top); + + return true; +} + +bool UIImagePicker::setImageLeft(int i, int left) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + Image &img = _images[i]; + + img.rect.moveTo(left, img.rect.top); + + return true; +} + +bool UIImagePicker::setImageShapeUp(int i, const Shape *shapeUp) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + _images[i].shapeUp = shapeUp; + + return true; +} + +bool UIImagePicker::setImageShapeHovered(int i, const Shape *shapeHovered) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + _images[i].shapeHovered = shapeHovered; + + return true; +} + +bool UIImagePicker::setImageShapeDown(int i, const Shape *shapeDown) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + _images[i].shapeDown = shapeDown; + + return true; +} + +bool UIImagePicker::setImageTooltip(int i, const char *tooltip) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + _images[i].tooltip = tooltip; + + return true; +} + +bool UIImagePicker::resetActiveImage(int i) { + if (i < 0 || i >= _imageCount || !_images[i].active) { + return false; + } + + resetImage(i); + return true; +} + +void UIImagePicker::activate(UIImagePickerCallback *mouseInCallback, + UIImagePickerCallback *mouseOutCallback, + UIImagePickerCallback *mouseDownCallback, + UIImagePickerCallback *mouseUpCallback, + void *callbackData) +{ + _isButtonDown = false; + _mouseInCallback = mouseInCallback; + _mouseOutCallback = mouseOutCallback; + _mouseDownCallback = mouseDownCallback; + _mouseUpCallback = mouseUpCallback; + _callbackData = callbackData; + _hoverStartTimestamp = 0; + _isVisible = true; + _hoveredImageIndex = -1; + _pressedImageIndex = -1; +} + +void UIImagePicker::deactivate() { + _isButtonDown = false; + _mouseInCallback = nullptr; + _mouseOutCallback = nullptr; + _mouseDownCallback = nullptr; + _mouseUpCallback = nullptr; + _callbackData = nullptr; + _hoverStartTimestamp = 0; + _isVisible = false; + _hoveredImageIndex = -1; + _pressedImageIndex = -1; +} + +void UIImagePicker::draw(Graphics::Surface &surface) { + if (!_isVisible) { + return; + } + + for (int i = 0; i != _imageCount; ++i) { + Image &img = _images[i]; + if (!img.active) { + continue; + } + + // TODO: Check interaction with Mouse::isDisabled + if (i == _hoveredImageIndex && i == _pressedImageIndex && _isButtonDown) { + if (img.shapeDown) { + img.shapeDown->draw(surface, img.rect.left, img.rect.top); + } + } else if (i == _hoveredImageIndex && !_isButtonDown) { + if (img.shapeHovered) { + img.shapeHovered->draw(surface, img.rect.left, img.rect.top); + } + } else { + if (img.shapeUp) { + img.shapeUp->draw(surface, img.rect.left, img.rect.top); + } + } +#if BLADERUNNER_DEBUG_RENDERING + surface.frameRect(img.rect, 0x7fff); +#endif + } +} + +void UIImagePicker::drawTooltip(Graphics::Surface &surface, int x, int y) { + if (!_isVisible) { + return; + } + + if (_hoveredImageIndex == -1 || _vm->_mouse->isDisabled() || !_images[_hoveredImageIndex].active || _vm->getTotalPlayTime() < _hoverStartTimestamp + 1000) { + return; + } + + Common::String &tooltip = _images[_hoveredImageIndex].tooltip; + int width = _vm->_mainFont->getTextWidth(tooltip) + 1; + int height = _vm->_mainFont->getTextHeight(tooltip) + 1; + + Common::Rect rect; + rect.left = x - ((width / 2) + 1); + if (rect.left < 0) { + rect.left = 0; + } + + rect.top = y - 10; + if (rect.top < 0) { + rect.top = 0; + } + + rect.right = width + rect.left + 3; + if (rect.right >= 640) { + rect.right = 639; + rect.left = 636 - width; + } + + rect.bottom = height + rect.top + 1; + if (rect.bottom >= 480) { + rect.bottom = 479; + rect.top = 478 - height; + } + + surface.fillRect(rect, 0); + surface.frameRect(rect, 0x7FFF); + _vm->_mainFont->drawColor(tooltip, surface, rect.left + 2, rect.top, 0x7FFF); +} + +void UIImagePicker::handleMouseAction(int x, int y, bool down, bool up, bool ignore) { + if (!_isVisible || ignore) { + return; + } + + int hoveredImageIndex = -1; + for (int i = 0; i != _imageCount; ++i) { + if (_images[i].rect.contains(x, y)) { + hoveredImageIndex = i; + break; + } + } + + // If mouse moved to a new image + if (hoveredImageIndex != _hoveredImageIndex) { + if (!_isButtonDown) { + if (hoveredImageIndex == -1) { + if (_mouseOutCallback) { + _mouseOutCallback(hoveredImageIndex, _callbackData); + } + } else { + if (_mouseInCallback) { + _mouseInCallback(hoveredImageIndex, _callbackData); + } + } + } + _hoverStartTimestamp = _vm->getTotalPlayTime(); + _hoveredImageIndex = hoveredImageIndex; + } + + // If mouse button changed to pressed + if (down && !_isButtonDown) { + _isButtonDown = true; + _pressedImageIndex = _hoveredImageIndex; + if (_hoveredImageIndex != 1) { + if (_mouseDownCallback) { + _mouseDownCallback(_hoveredImageIndex, _callbackData); + } + } + } + + // If mouse button changed to released + if (up) { + if (_isButtonDown) { + if (_hoveredImageIndex == _pressedImageIndex && _pressedImageIndex != -1) { + if (_mouseUpCallback) + _mouseUpCallback(_hoveredImageIndex, _callbackData); + } + } + _isButtonDown = false; + _pressedImageIndex = -1; + } +} + +void UIImagePicker::resetImage(int i) { + assert(i >= 0 && i < _imageCount); + Image &img = _images[i]; + + img.active = false; + img.rect.left = -1; + img.rect.top = -1; + img.rect.right = -1; + img.rect.bottom = -1; + img.shapeUp = nullptr; + img.shapeHovered = nullptr; + img.shapeDown = nullptr; + img.tooltip.clear(); +} + +bool UIImagePicker::hasHoveredImage() { + return _hoveredImageIndex >= 0; +} + +void UIImagePicker::reset() {} + +} // End of namespace BladeRunner |