Add new SliderValue GUI widget
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
Change-Id: Ic5d44314f501341140dd7059d1cb753341f5844c
diff --git a/gui/slidervalue.cpp b/gui/slidervalue.cpp
new file mode 100644
index 0000000..d369ace
--- /dev/null
+++ b/gui/slidervalue.cpp
@@ -0,0 +1,418 @@
+// 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) : Conditional(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;
+
+ 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 = node->first_node("font");
+ if (child)
+ {
+ attr = child->first_attribute("resource");
+ if (attr)
+ mFont = PageManager::FindResource(attr->value());
+
+ attr = child->first_attribute("color");
+ if (attr)
+ {
+ std::string color = attr->value();
+ ConvertStrToColor(color, &mTextColor);
+ }
+ }
+
+ // Load the placement
+ LoadPlacement(node->first_node("placement"), &mRenderX, &mRenderY, &mRenderW);
+
+ child = node->first_node("colors");
+ if (child)
+ {
+ attr = child->first_attribute("line");
+ if (attr)
+ ConvertStrToColor(attr->value(), &mLineColor);
+
+ attr = child->first_attribute("slider");
+ if (attr)
+ ConvertStrToColor(attr->value(), &mSliderColor);
+ }
+
+ child = node->first_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 = node->first_node("dimensions");
+ if (child)
+ {
+ attr = child->first_attribute("lineh");
+ if (attr)
+ {
+ string parsevalue = gui_parse_text(attr->value());
+ mLineH = atoi(parsevalue.c_str());
+ }
+
+ attr = child->first_attribute("linepadding");
+ if (attr)
+ {
+ string parsevalue = gui_parse_text(attr->value());
+ mPadding = atoi(parsevalue.c_str());
+ }
+
+ attr = child->first_attribute("sliderw");
+ if (attr)
+ {
+ string parsevalue = gui_parse_text(attr->value());
+ mSliderW = atoi(parsevalue.c_str());
+ }
+
+ attr = child->first_attribute("sliderh");
+ if (attr)
+ {
+ string parsevalue = gui_parse_text(attr->value());
+ mSliderH = atoi(parsevalue.c_str());
+ }
+ }
+
+ gr_getFontDetails(mFont ? mFont->GetResource() : NULL, (unsigned*) &mFontHeight, NULL);
+
+ if(mShowCurr)
+ {
+ int maxLen = std::max(strlen(mMinStr.c_str()), strlen(mMaxStr.c_str()));
+ mValueStr = new char[maxLen+1];
+ }
+
+ loadValue(true);
+
+ mLinePadding = mPadding;
+ 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;
+ mLineY = (y + mSliderH/2) - (mLineH/2);
+
+ mLineX = mRenderX + mLinePadding;
+
+ mActionX = mRenderX;
+ mActionY = mRenderY;
+ mActionW = mRenderW;
+ mActionH = mRenderH;
+ lineW = mRenderW - (mLinePadding * 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
+ gr_color(mLineColor.red, mLineColor.green, mLineColor.blue, mLineColor.alpha);
+ gr_fill(mLineX, mLineY, lineW, mLineH);
+
+ // slider
+ uint32_t sliderX = (mValuePct*lineW)/100 + mLineX;
+ sliderX -= mSliderW/2;
+
+ 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 + lineW + 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;
+
+ static bool dragging = false;
+ switch (state)
+ {
+ case TOUCH_START:
+ if (x >= mRenderX && x <= mRenderX + mRenderW &&
+ y >= mRenderY && y <= mRenderY + mRenderH)
+ {
+ dragging = true;
+ }
+ // no break
+ case TOUCH_DRAG:
+ {
+ if (!dragging) return 0;
+
+ x = std::max(mLineX, x);
+ x = std::min(mLineX + lineW, x);
+
+ mValuePct = float(((x - mLineX) * 100) / lineW);
+ 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 (!dragging) return 0;
+ dragging = 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(std::string varName, std::string 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();
+}