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Diffstat (limited to '')
| -rw-r--r-- | gui/button.cpp | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/gui/button.cpp b/gui/button.cpp new file mode 100644 index 000000000..a9b02a305 --- /dev/null +++ b/gui/button.cpp @@ -0,0 +1,263 @@ +/* + Copyright 2012 bigbiff/Dees_Troy 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/>. +*/ + +#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" + +GUIButton::GUIButton(xml_node<>* node) + : GUIObject(node) +{ + xml_attribute<>* attr; + xml_node<>* child; + + mButtonImg = NULL; + mButtonIcon = NULL; + mButtonLabel = NULL; + mAction = NULL; + mRendered = false; + hasHighlightColor = false; + renderHighlight = false; + hasFill = false; + + if (!node) return; + + // These can be loaded directly from the node + mButtonLabel = new GUIText(node); + mAction = new GUIAction(node); + + mButtonImg = new GUIImage(node); + if (mButtonImg->Render() < 0) + { + delete mButtonImg; + mButtonImg = NULL; + } + if (mButtonLabel->Render() < 0) + { + delete mButtonLabel; + mButtonLabel = NULL; + } + // Load fill if it exists + mFillColor = LoadAttrColor(FindNode(node, "fill"), "color", &hasFill); + if (!hasFill && mButtonImg == NULL) { + LOGERR("No image resource or fill specified for button.\n"); + } + + // The icon is a special case + mButtonIcon = LoadAttrImage(FindNode(node, "icon"), "resource"); + + mHighlightColor = LoadAttrColor(FindNode(node, "highlight"), "color", &hasHighlightColor); + + int x = 0, y = 0, w = 0, h = 0; + TextPlacement = TOP_LEFT; + if (mButtonImg) { + mButtonImg->GetRenderPos(x, y, w, h); + } else if (hasFill) { + LoadPlacement(FindNode(node, "placement"), &x, &y, &w, &h, &TextPlacement); + } + SetRenderPos(x, y, w, h); + if (mButtonLabel) { + TextPlacement = (Placement)LoadAttrInt(FindNode(node, "placement"), "textplacement", TOP_LEFT); + if (TextPlacement != TEXT_ONLY_RIGHT) { + mButtonLabel->scaleWidth = 1; + mButtonLabel->SetMaxWidth(w); + mButtonLabel->SetPlacement(CENTER); + mTextX = ((mRenderW / 2) + mRenderX); + mTextY = mRenderY + (mRenderH / 2); + mButtonLabel->SetRenderPos(mTextX, mTextY); + } else { + mTextX = mRenderW + mRenderX + 5; + mButtonLabel->GetCurrentBounds(mTextW, mTextH); + mRenderW += mTextW + 5; + mTextY = mRenderY + (mRenderH / 2) - (mTextH / 2); + mButtonLabel->SetRenderPos(mTextX, mTextY); + if (mAction) + mAction->SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH); + SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH); + } + } +} + +GUIButton::~GUIButton() +{ + delete mButtonImg; + delete mButtonLabel; + delete mAction; +} + +int GUIButton::Render(void) +{ + if (!isConditionTrue()) + { + mRendered = false; + return 0; + } + + int ret = 0; + + if (mButtonImg) ret = mButtonImg->Render(); + if (ret < 0) return ret; + if (hasFill) { + gr_color(mFillColor.red, mFillColor.green, mFillColor.blue, mFillColor.alpha); + gr_fill(mRenderX, mRenderY, mRenderW, mRenderH); + } + if (mButtonIcon && mButtonIcon->GetResource()) + gr_blit(mButtonIcon->GetResource(), 0, 0, mIconW, mIconH, mIconX, mIconY); + if (mButtonLabel) { + int w, h; + mButtonLabel->GetCurrentBounds(w, h); + if (w != mTextW) { + mTextW = w; + } + ret = mButtonLabel->Render(); + if (ret < 0) return ret; + } + if (renderHighlight && hasHighlightColor) { + gr_color(mHighlightColor.red, mHighlightColor.green, mHighlightColor.blue, mHighlightColor.alpha); + gr_fill(mRenderX, mRenderY, mRenderW, mRenderH); + } + mRendered = true; + return ret; +} + +int GUIButton::Update(void) +{ + if (!isConditionTrue()) return (mRendered ? 2 : 0); + if (!mRendered) return 2; + + int ret = 0, ret2 = 0; + + if (mButtonImg) ret = mButtonImg->Update(); + if (ret < 0) return ret; + + if (ret == 0) + { + if (mButtonLabel) { + ret2 = mButtonLabel->Update(); + if (ret2 < 0) return ret2; + if (ret2 > ret) ret = ret2; + } + } + else if (ret == 1) + { + // The button re-rendered, so everyone else is a render + if (mButtonIcon && mButtonIcon->GetResource()) + gr_blit(mButtonIcon->GetResource(), 0, 0, mIconW, mIconH, mIconX, mIconY); + if (mButtonLabel) ret = mButtonLabel->Render(); + if (ret < 0) return ret; + ret = 1; + } + else + { + // Aparently, the button needs a background update + ret = 2; + } + return ret; +} + +int GUIButton::SetRenderPos(int x, int y, int w, int h) +{ + mRenderX = x; + mRenderY = y; + if (w || h) + { + mRenderW = w; + mRenderH = h; + } + + mIconW = mButtonIcon->GetWidth(); + mIconH = mButtonIcon->GetHeight(); + + mTextH = 0; + mTextW = 0; + mIconX = mRenderX + ((mRenderW - mIconW) / 2); + if (mButtonLabel) mButtonLabel->GetCurrentBounds(mTextW, mTextH); + if (mTextW && TextPlacement == TEXT_ONLY_RIGHT) + { + mRenderW += mTextW + 5; + } + + if (mIconH == 0 || mTextH == 0 || mIconH + mTextH > mRenderH) + { + mIconY = mRenderY + (mRenderH / 2) - (mIconH / 2); + } + else + { + int divisor = mRenderH - (mIconH + mTextH); + mIconY = mRenderY + (divisor / 3); + } + + if (mButtonLabel) mButtonLabel->SetRenderPos(mTextX, mTextY); + if (mAction) mAction->SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH); + SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH); + return 0; +} + +int GUIButton::NotifyTouch(TOUCH_STATE state, int x, int y) +{ + static int last_state = 0; + + if (!isConditionTrue()) return -1; + if (x < mRenderX || x - mRenderX > mRenderW || y < mRenderY || y - mRenderY > mRenderH || state == TOUCH_RELEASE) { + if (last_state == 1) { + last_state = 0; + if (mButtonLabel != NULL) + mButtonLabel->isHighlighted = false; + if (mButtonImg != NULL) + mButtonImg->isHighlighted = false; + renderHighlight = false; + mRendered = false; + } + } else { + if (last_state == 0) { + last_state = 1; + DataManager::Vibrate("tw_button_vibrate"); + if (mButtonLabel != NULL) + mButtonLabel->isHighlighted = true; + if (mButtonImg != NULL) + mButtonImg->isHighlighted = true; + renderHighlight = true; + mRendered = false; + } + } + if (x < mRenderX || x - mRenderX > mRenderW || y < mRenderY || y - mRenderY > mRenderH) + return 0; + return (mAction ? mAction->NotifyTouch(state, x, y) : 1); +} |