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Diffstat (limited to '')
| -rw-r--r-- | gui/slider.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/gui/slider.cpp b/gui/slider.cpp new file mode 100644 index 000000000..ed5c615ce --- /dev/null +++ b/gui/slider.cpp @@ -0,0 +1,220 @@ +/* + Copyright 2017 TeamWin + This file is part of TWRP/TeamWin Recovery Project. + + TWRP 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 3 of the License, or + (at your option) any later version. + + TWRP 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 TWRP. If not, see <http://www.gnu.org/licenses/>. +*/ + +// slider.cpp - GUISlider object +// Pulled & ported from https://raw.github.com/agrabren/RecoverWin/master/gui/slider.cpp + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <sys/reboot.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include <time.h> +#include <unistd.h> +#include <stdlib.h> +#include "../data.hpp" + +#include <string> + +extern "C" { +#include "../twcommon.h" +} +#include "../minuitwrp/minui.h" + +#include "rapidxml.hpp" +#include "objects.hpp" + +GUISlider::GUISlider(xml_node<>* node) : GUIObject(node) +{ + xml_attribute<>* attr; + xml_node<>* child; + + sAction = NULL; + sSliderLabel = NULL; + sSlider = NULL; + sSliderUsed = NULL; + sTouch = NULL; + sTouchW = 20; + + if (!node) + { + LOGERR("GUISlider created without XML node\n"); + return; + } + + // Load the resources + child = FindNode(node, "resource"); + if (child) + { + sSlider = LoadAttrImage(child, "base"); + sSliderUsed = LoadAttrImage(child, "used"); + sTouch = LoadAttrImage(child, "touch"); + } + + // Load the text label + sSliderLabel = new GUIText(node); + if (sSliderLabel->Render() < 0) + { + delete sSliderLabel; + sSliderLabel = NULL; + } + + // Load the placement + Placement TextPlacement = CENTER; + LoadPlacement(FindNode(node, "placement"), &mRenderX, &mRenderY, &mRenderW, &mRenderH, &TextPlacement); + + mRenderW = sSlider->GetWidth(); + mRenderH = sSlider->GetHeight(); + if (TextPlacement == CENTER || TextPlacement == CENTER_X_ONLY) { + mRenderX = mRenderX - (mRenderW / 2); + if (TextPlacement == CENTER) { + mRenderY = mRenderY - (mRenderH / 2); + } + } + if (sSliderLabel) { + int sTextX = mRenderX + (mRenderW / 2); + int w, h; + sSliderLabel->GetCurrentBounds(w, h); + int sTextY = mRenderY + ((mRenderH - h) / 2); + sSliderLabel->SetRenderPos(sTextX, sTextY); + sSliderLabel->SetMaxWidth(mRenderW); + } + if (sTouch && sTouch->GetResource()) + { + sTouchW = sTouch->GetWidth(); // Width of the "touch image" that follows the touch (arrow) + sTouchH = sTouch->GetHeight(); // Height of the "touch image" that follows the touch (arrow) + } + + //LOGINFO("mRenderW: %i mTouchW: %i\n", mRenderW, mTouchW); + mActionX = mRenderX; + mActionY = mRenderY; + mActionW = mRenderW; + mActionH = mRenderH; + + sAction = new GUIAction(node); + + sCurTouchX = mRenderX; + sUpdate = 1; +} + +GUISlider::~GUISlider() +{ + delete sAction; + delete sSliderLabel; +} + +int GUISlider::Render(void) +{ + if (!isConditionTrue()) + return 0; + + if (!sSlider || !sSlider->GetResource()) + return -1; + + // Draw the slider + gr_blit(sSlider->GetResource(), 0, 0, mRenderW, mRenderH, mRenderX, mRenderY); + + // Draw the used + if (sSliderUsed && sSliderUsed->GetResource() && sCurTouchX > mRenderX) + gr_blit(sSliderUsed->GetResource(), 0, 0, sCurTouchX - mRenderX, mRenderH, mRenderX, mRenderY); + + // Draw the touch icon + if (sTouch && sTouch->GetResource()) + gr_blit(sTouch->GetResource(), 0, 0, sTouchW, sTouchH, sCurTouchX, (mRenderY + ((mRenderH - sTouchH) / 2))); + + if (sSliderLabel) { + int ret = sSliderLabel->Render(); + if (ret < 0) return ret; + } + + sUpdate = 0; + return 0; +} + +int GUISlider::Update(void) +{ + if (!isConditionTrue()) + return 0; + + if (sUpdate) + return 2; + return 0; +} + +int GUISlider::NotifyTouch(TOUCH_STATE state, int x, int y) +{ + if (!isConditionTrue()) + return -1; + + static bool dragging = false; + + switch (state) + { + case TOUCH_START: + if (x >= mRenderX && x <= mRenderX + sTouchW && + y >= mRenderY && y <= mRenderY + mRenderH) + { + sCurTouchX = x - (sTouchW / 2); + if (sCurTouchX < mRenderX) + sCurTouchX = mRenderX; + dragging = true; + } + break; + + case TOUCH_DRAG: + if (!dragging) + return 0; + if (y < mRenderY - sTouchH || y > mRenderY + (sTouchH * 2)) + { + sCurTouchX = mRenderX; + dragging = false; + sUpdate = 1; + break; + } + sCurTouchX = x - (sTouchW / 2); + if (sCurTouchX < mRenderX) + sCurTouchX = mRenderX; + if (sCurTouchX > mRenderX + mRenderW - sTouchW) + sCurTouchX = mRenderX + mRenderW - sTouchW; + sUpdate = 1; + break; + + case TOUCH_RELEASE: + if (!dragging) + return 0; + + if (sCurTouchX >= mRenderX + mRenderW - sTouchW) { + DataManager::Vibrate("tw_button_vibrate"); + sAction->doActions(); + } + + sCurTouchX = mRenderX; + dragging = false; + sUpdate = 1; + case TOUCH_REPEAT: + case TOUCH_HOLD: + break; + } + return 0; +} |