diff options
Diffstat (limited to 'gui/slidervalue.cpp')
-rw-r--r-- | gui/slidervalue.cpp | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/gui/slidervalue.cpp b/gui/slidervalue.cpp new file mode 100644 index 000000000..3974c37d0 --- /dev/null +++ b/gui/slidervalue.cpp @@ -0,0 +1,422 @@ +// slidervalue.cpp - GUISliderValue object + +#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 <string> + +extern "C" { +#include "../twcommon.h" +#include "../minuitwrp/minui.h" +} + +#include "rapidxml.hpp" +#include "objects.hpp" + +GUISliderValue::GUISliderValue(xml_node<>* node) : GUIObject(node) +{ + xml_attribute<>* attr; + xml_node<>* child; + + mMin = 0; + mMax = 100; + mValue = 0; + mLineH = 2; + mLinePadding = 10; + mSliderW = 5; + mSliderH = 30; + mLineX = 0; + mLineY = 0; + mValueStr = NULL; + mAction = NULL; + mShowCurr = true; + mShowRange = false; + mChangeOnDrag = false; + mRendered = false; + mBackgroundImage = NULL; + mHandleImage = NULL; + mHandleHoverImage = NULL; + mDragging = false; + + mLabel = NULL; + ConvertStrToColor("white", &mTextColor); + ConvertStrToColor("white", &mLineColor); + ConvertStrToColor("blue", &mSliderColor); + + if (!node) + { + LOGERR("GUISliderValue created without XML node\n"); + return; + } + + mLabel = new GUIText(node); + if(mLabel->Render() < 0) + { + delete mLabel; + mLabel = NULL; + } + + mAction = new GUIAction(node); + + child = FindNode(node, "font"); + if (child) + { + mFont = LoadAttrFont(child, "resource"); + mTextColor = LoadAttrColor(child, "color", mTextColor); + } + + // Load the placement + LoadPlacement(FindNode(node, "placement"), &mRenderX, &mRenderY, &mRenderW); + + child = FindNode(node, "colors"); + if (child) + { + mLineColor = LoadAttrColor(child, "line"); + mSliderColor = LoadAttrColor(child, "slider"); + } + + child = FindNode(node, "resource"); + if (child) + { + mBackgroundImage = LoadAttrImage(child, "background"); + mHandleImage = LoadAttrImage(child, "handle"); + mHandleHoverImage = LoadAttrImage(child, "handlehover"); + } + + child = FindNode(node, "data"); + if (child) + { + attr = child->first_attribute("variable"); + if (attr) + mVariable = attr->value(); + + attr = child->first_attribute("min"); + if (attr) + { + mMinStr = gui_parse_text(attr->value()); + mMin = atoi(mMinStr.c_str()); + } + + attr = child->first_attribute("max"); + if (attr) + { + mMaxStr = gui_parse_text(attr->value()); + mMax = atoi(mMaxStr.c_str()); + } + + if (mMin > mMax) + mMin = mMax; + + attr = child->first_attribute("default"); + if (attr) + { + string parsevalue = gui_parse_text(attr->value()); + int def = atoi(parsevalue.c_str()); + + if (def < mMin) + def = mMin; + else if (def > mMax) + def = mMax; + DataManager::SetValue(mVariable, def); + } + + attr = child->first_attribute("showrange"); + if (attr) + mShowRange = atoi(attr->value()); + + attr = child->first_attribute("showcurr"); + if (attr) + mShowCurr = atoi(attr->value()); + + attr = child->first_attribute("changeondrag"); + if (attr) + mChangeOnDrag = atoi(attr->value()); + } + + child = FindNode(node, "dimensions"); + if (child) + { + mLineH = LoadAttrIntScaleY(child, "lineh", mLineH); + mLinePadding = LoadAttrIntScaleX(child, "linepadding", mLinePadding); + mSliderW = LoadAttrIntScaleX(child, "sliderw", mSliderW); + mSliderH = LoadAttrIntScaleY(child, "sliderh", mSliderH); + } + + mFontHeight = mFont->GetHeight(); + + if(mShowCurr) + { + int maxLen = std::max(strlen(mMinStr.c_str()), strlen(mMaxStr.c_str())); + mValueStr = new char[maxLen+1]; + } + + loadValue(true); + + if (mShowRange) + { + int textW = std::max(measureText(mMaxStr), measureText(mMinStr)); + mLinePadding += textW; + } + + SetRenderPos(mRenderX, mRenderY, mRenderW); +} + +GUISliderValue::~GUISliderValue() +{ + delete mLabel; + delete mAction; + delete[] mValueStr; +} + +void GUISliderValue::loadValue(bool force) +{ + if(!mVariable.empty()) + { + int value = DataManager::GetIntValue(mVariable); + if(mValue == value && !force) + return; + + mValue = value; + } + + mValue = std::max(mValue, mMin); + mValue = std::min(mValue, mMax); + mValuePct = pctFromValue(mValue); + mRendered = false; +} + +int GUISliderValue::SetRenderPos(int x, int y, int w, int h) +{ + mRenderX = x; + mRenderY = y; + if (w || h) + { + mRenderW = w; + mRenderH = h; + } + + mRenderH = mSliderH; + if(mShowCurr) + mRenderH += mFontHeight; + + if (mLabel) + { + int lw, lh; + mLabel->GetCurrentBounds(lw, lh); + int textX = mRenderX + (mRenderW/2 - lw/2); + + mLabel->SetRenderPos(textX, mRenderY); + + y += lh; + mRenderH += lh; + } + + mSliderY = y; + + mActionX = mRenderX; + mActionY = mRenderY; + mActionW = mRenderW; + mActionH = mRenderH; + + if(mBackgroundImage && mBackgroundImage->GetResource()) + { + mLineW = mBackgroundImage->GetWidth(); + mLineH = mBackgroundImage->GetHeight(); + } + else + mLineW = mRenderW - (mLinePadding * 2); + + mLineY = y + (mSliderH/2 - mLineH/2); + mLineX = mRenderX + (mRenderW/2 - mLineW/2); + + return 0; +} + +int GUISliderValue::measureText(const std::string& str) +{ + void* fontResource = NULL; + if (mFont) fontResource = mFont->GetResource(); + + return gr_measureEx(str.c_str(), fontResource); +} + +int GUISliderValue::Render(void) +{ + if (!isConditionTrue()) + { + mRendered = false; + return 0; + } + + if(mLabel) + { + int w, h; + mLabel->GetCurrentBounds(w, h); + if (w != mLabelW) { + mLabelW = w; + int textX = mRenderX + (mRenderW/2 - mLabelW/2); + mLabel->SetRenderPos(textX, mRenderY); + } + int res = mLabel->Render(); + if(res < 0) + return res; + } + + // line + if(mBackgroundImage && mBackgroundImage->GetResource()) + { + gr_blit(mBackgroundImage->GetResource(), 0, 0, mLineW, mLineH, mLineX, mLineY); + } + else + { + gr_color(mLineColor.red, mLineColor.green, mLineColor.blue, mLineColor.alpha); + gr_fill(mLineX, mLineY, mLineW, mLineH); + } + + // slider + uint32_t sliderX = mLineX + (mValuePct*(mLineW - mSliderW))/100; + + if(mHandleImage && mHandleImage->GetResource()) + { + gr_surface s = mHandleImage->GetResource(); + if(mDragging && mHandleHoverImage && mHandleHoverImage->GetResource()) + s = mHandleHoverImage->GetResource(); + gr_blit(s, 0, 0, mSliderW, mSliderH, sliderX, mLineY + (mLineH/2 - mSliderH/2)); + } + else + { + gr_color(mSliderColor.red, mSliderColor.green, mSliderColor.blue, mSliderColor.alpha); + gr_fill(sliderX, mSliderY, mSliderW, mSliderH); + } + + void *fontResource = NULL; + if(mFont) fontResource = mFont->GetResource(); + gr_color(mTextColor.red, mTextColor.green, mTextColor.blue, mTextColor.alpha); + if(mShowRange) + { + int rangeY = (mLineY - mLineH/2) - mFontHeight/2; + gr_textEx(mRenderX + mPadding/2, rangeY, mMinStr.c_str(), fontResource); + gr_textEx(mLineX + mLineW + mPadding/2, rangeY, mMaxStr.c_str(), fontResource); + } + + if(mValueStr && mShowCurr) + { + sprintf(mValueStr, "%d", mValue); + int textW = measureText(mValueStr); + gr_textEx(mRenderX + (mRenderW/2 - textW/2), mSliderY+mSliderH, mValueStr, fontResource); + } + + mRendered = true; + return 0; +} + +int GUISliderValue::Update(void) +{ + if (!isConditionTrue()) + return mRendered ? 2 : 0; + if (!mRendered) + return 2; + + if(mLabel) + return mLabel->Update(); + return 0; +} + +int GUISliderValue::valueFromPct(float pct) +{ + int range = abs(mMax - mMin); + return mMin + (pct * range) / 100; +} + +float GUISliderValue::pctFromValue(int value) +{ + return float((value - mMin) * 100) / abs(mMax - mMin); +} + +int GUISliderValue::NotifyTouch(TOUCH_STATE state, int x, int y) +{ + if (!isConditionTrue()) + return -1; + + switch (state) + { + case TOUCH_START: + if (x >= mLineX && x <= mLineX + mLineW && + y >= mRenderY && y <= mRenderY + mRenderH) + { + mDragging = true; + } + // no break + case TOUCH_DRAG: + { + if (!mDragging) return 0; + + x = std::max(mLineX + mSliderW/2, x); + x = std::min(mLineX + mLineW - mSliderW/2, x); + + mValuePct = float(((x - (mLineX + mSliderW/2)) * 100) / (mLineW - mSliderW)); + int newVal = valueFromPct(mValuePct); + if (newVal != mValue) { + mRendered = false; + mValue = newVal; + if (mChangeOnDrag) { + if (!mVariable.empty()) + DataManager::SetValue(mVariable, mValue); + if (mAction) + mAction->doActions(); + } + } + break; + } + case TOUCH_RELEASE: + { + if (!mDragging) return 0; + mDragging = false; + + if (!mVariable.empty()) + DataManager::SetValue(mVariable, mValue); + if (mAction) + mAction->doActions(); + break; + } + case TOUCH_REPEAT: + case TOUCH_HOLD: + break; + } + return 0; +} + +int GUISliderValue::NotifyVarChange(const std::string& varName, const std::string& value) +{ + GUIObject::NotifyVarChange(varName, value); + + if (mLabel) + mLabel->NotifyVarChange(varName, value); + if (varName == mVariable) { + int newVal = atoi(value.c_str()); + if(newVal != mValue) { + mValue = newVal; + mValuePct = pctFromValue(mValue); + mRendered = false; + } + } + return 0; +} + +void GUISliderValue::SetPageFocus(int inFocus) +{ + if (inFocus) + loadValue(); +} |