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Diffstat (limited to '')
| -rw-r--r-- | gui/text.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/gui/text.cpp b/gui/text.cpp new file mode 100644 index 000000000..90482fef3 --- /dev/null +++ b/gui/text.cpp @@ -0,0 +1,212 @@ +// text.cpp - GUIText 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 "../common.h" +#include "../minuitwrp/minui.h" +#include "../recovery_ui.h" +} + +#include "rapidxml.hpp" +#include "objects.hpp" + +GUIText::GUIText(xml_node<>* node) + : Conditional(node) +{ + xml_attribute<>* attr; + xml_node<>* child; + + mFont = NULL; + mIsStatic = 1; + mVarChanged = 0; + mFontHeight = 0; + maxWidth = 0; + charSkip = 0; + + if (!node) return; + + // Initialize color to solid black + memset(&mColor, 0, sizeof(COLOR)); + mColor.alpha = 255; + + attr = node->first_attribute("color"); + if (attr) + { + std::string color = attr->value(); + ConvertStrToColor(color, &mColor); + } + + // Load the font, and possibly override the color + 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, &mColor); + } + } + + // Load the placement + LoadPlacement(node->first_node("placement"), &mRenderX, &mRenderY, &mRenderW, &mRenderH, &mPlacement); + + child = node->first_node("text"); + if (child) mText = child->value(); + + // Simple way to check for static state + mLastValue = parseText(); + if (mLastValue != mText) mIsStatic = 0; + + gr_getFontDetails(mFont ? mFont->GetResource() : NULL, (unsigned*) &mFontHeight, NULL); + return; +} + +int GUIText::Render(void) +{ + if (!isConditionTrue()) return 0; + + void* fontResource = NULL; + string displayValue; + + if (mFont) fontResource = mFont->GetResource(); + + mLastValue = parseText(); + displayValue = mLastValue; + + if (charSkip) + displayValue.erase(0, charSkip); + + mVarChanged = 0; + + int x = mRenderX, y = mRenderY; + int width = gr_measureEx(displayValue.c_str(), fontResource); + + if (mPlacement != TOP_LEFT && mPlacement != BOTTOM_LEFT) + { + if (mPlacement == CENTER || mPlacement == CENTER_X_ONLY) + x -= (width / 2); + else + x -= width; + } + if (mPlacement != TOP_LEFT && mPlacement != TOP_RIGHT) + { + if (mPlacement == CENTER) + y -= (mFontHeight / 2); + else if (mPlacement == BOTTOM_LEFT || mPlacement == BOTTOM_RIGHT) + y -= mFontHeight; + } + + gr_color(mColor.red, mColor.green, mColor.blue, mColor.alpha); + + if (maxWidth) + gr_textExW(x, y, displayValue.c_str(), fontResource, maxWidth + x); + else + gr_textEx(x, y, displayValue.c_str(), fontResource); + return 0; +} + +int GUIText::Update(void) +{ + if (!isConditionTrue()) return 0; + + static int updateCounter = 3; + + // This hack just makes sure we update at least once a minute for things like clock and battery + if (updateCounter) updateCounter--; + else + { + mVarChanged = 1; + updateCounter = 3; + } + + if (mIsStatic || !mVarChanged) return 0; + + std::string newValue = parseText(); + if (mLastValue == newValue) return 0; + return 2; +} + +int GUIText::GetCurrentBounds(int& w, int& h) +{ + void* fontResource = NULL; + + if (mFont) fontResource = mFont->GetResource(); + + h = mFontHeight; + w = gr_measureEx(mLastValue.c_str(), fontResource); + return 0; +} + +std::string GUIText::parseText(void) +{ + static int counter = 0; + std::string str = mText; + size_t pos = 0; + size_t next = 0, end = 0; + + while (1) + { + next = str.find('%', pos); + if (next == std::string::npos) return str; + end = str.find('%', next + 1); + if (end == std::string::npos) return str; + + // We have a block of data + std::string var = str.substr(next + 1, (end - next) - 1); + str.erase(next, (end - next) + 1); + + if (next + 1 == end) + { + str.insert(next, 1, '%'); + } + else + { + std::string value; + if (DataManager::GetValue(var, value) == 0) + str.insert(next, value); + } + + pos = next + 1; + } +} + +int GUIText::NotifyVarChange(std::string varName, std::string value) +{ + mVarChanged = 1; + return 0; +} + +int GUIText::SetMaxWidth(unsigned width) +{ + maxWidth = width; + mVarChanged = 1; + return 0; +} + +int GUIText::SkipCharCount(unsigned skip) +{ + charSkip = skip; + mVarChanged = 1; + return 0; +} |