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Diffstat (limited to 'src/gui/guiButtonImage.cpp')
| -rw-r--r-- | src/gui/guiButtonImage.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/gui/guiButtonImage.cpp b/src/gui/guiButtonImage.cpp new file mode 100644 index 000000000..02d920277 --- /dev/null +++ b/src/gui/guiButtonImage.cpp @@ -0,0 +1,160 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser 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 "guiButtonImage.h" + +#include "client/guiscalingfilter.h" +#include "debug.h" +#include "IGUIEnvironment.h" +#include "IGUIImage.h" +#include "IVideoDriver.h" +#include "StyleSpec.h" + +using namespace irr; +using namespace gui; + +GUIButtonImage::GUIButtonImage(gui::IGUIEnvironment *environment, + gui::IGUIElement *parent, s32 id, core::rect<s32> rectangle, bool noclip) + : GUIButton (environment, parent, id, rectangle, noclip) +{ + m_image = Environment->addImage( + core::rect<s32>(0,0,rectangle.getWidth(),rectangle.getHeight()), this); + m_image->setScaleImage(isScalingImage()); + sendToBack(m_image); +} + +bool GUIButtonImage::OnEvent(const SEvent& event) +{ + bool result = GUIButton::OnEvent(event); + + EGUI_BUTTON_IMAGE_STATE imageState = getImageState(isPressed(), m_foreground_images); + video::ITexture *texture = m_foreground_images[(u32)imageState].Texture; + if (texture != nullptr) + { + m_image->setImage(texture); + } + + m_image->setVisible(texture != nullptr); + + return result; +} + +void GUIButtonImage::setForegroundImage(EGUI_BUTTON_IMAGE_STATE state, + video::ITexture *image, const core::rect<s32> &sourceRect) +{ + if (state >= EGBIS_COUNT) + return; + + if (image) + image->grab(); + + u32 stateIdx = (u32)state; + if (m_foreground_images[stateIdx].Texture) + m_foreground_images[stateIdx].Texture->drop(); + + m_foreground_images[stateIdx].Texture = image; + m_foreground_images[stateIdx].SourceRect = sourceRect; + + EGUI_BUTTON_IMAGE_STATE imageState = getImageState(isPressed(), m_foreground_images); + if (imageState == stateIdx) + m_image->setImage(image); +} + +void GUIButtonImage::setForegroundImage(video::ITexture *image) +{ + setForegroundImage(gui::EGBIS_IMAGE_UP, image); +} + +void GUIButtonImage::setForegroundImage(video::ITexture *image, const core::rect<s32> &pos) +{ + setForegroundImage(gui::EGBIS_IMAGE_UP, image, pos); +} + +void GUIButtonImage::setPressedForegroundImage(video::ITexture *image) +{ + setForegroundImage(gui::EGBIS_IMAGE_DOWN, image); +} + +void GUIButtonImage::setPressedForegroundImage(video::ITexture *image, const core::rect<s32> &pos) +{ + setForegroundImage(gui::EGBIS_IMAGE_DOWN, image, pos); +} + +void GUIButtonImage::setHoveredForegroundImage(video::ITexture *image) +{ + setForegroundImage(gui::EGBIS_IMAGE_UP_MOUSEOVER, image); + setForegroundImage(gui::EGBIS_IMAGE_UP_FOCUSED_MOUSEOVER, image); +} + +void GUIButtonImage::setHoveredForegroundImage(video::ITexture *image, const core::rect<s32> &pos) +{ + setForegroundImage(gui::EGBIS_IMAGE_UP_MOUSEOVER, image, pos); + setForegroundImage(gui::EGBIS_IMAGE_UP_FOCUSED_MOUSEOVER, image, pos); +} + +void GUIButtonImage::setFromStyle(const StyleSpec &style, ISimpleTextureSource *tsrc) +{ + GUIButton::setFromStyle(style, tsrc); + + video::IVideoDriver *driver = Environment->getVideoDriver(); + + const core::position2di buttonCenter(AbsoluteRect.getCenter()); + core::position2d<s32> geom(buttonCenter); + if (style.isNotDefault(StyleSpec::FGIMG)) { + video::ITexture *texture = style.getTexture(StyleSpec::FGIMG, tsrc); + + setForegroundImage(guiScalingImageButton(driver, texture, geom.X, geom.Y)); + setScaleImage(true); + } + if (style.isNotDefault(StyleSpec::FGIMG_HOVERED)) { + video::ITexture *hovered_texture = style.getTexture(StyleSpec::FGIMG_HOVERED, tsrc); + + setHoveredForegroundImage(guiScalingImageButton(driver, hovered_texture, geom.X, geom.Y)); + setScaleImage(true); + } + if (style.isNotDefault(StyleSpec::FGIMG_PRESSED)) { + video::ITexture *pressed_texture = style.getTexture(StyleSpec::FGIMG_PRESSED, tsrc); + + setPressedForegroundImage(guiScalingImageButton(driver, pressed_texture, geom.X, geom.Y)); + setScaleImage(true); + } +} + +void GUIButtonImage::setScaleImage(bool scaleImage) +{ + GUIButton::setScaleImage(scaleImage); + m_image->setScaleImage(scaleImage); +} + +GUIButtonImage *GUIButtonImage::addButton(IGUIEnvironment *environment, + const core::rect<s32> &rectangle, IGUIElement *parent, s32 id, + const wchar_t *text, const wchar_t *tooltiptext) +{ + GUIButtonImage *button = new GUIButtonImage(environment, + parent ? parent : environment->getRootGUIElement(), id, rectangle); + + if (text) + button->setText(text); + + if (tooltiptext) + button->setToolTipText(tooltiptext); + + button->drop(); + return button; +} |