gui/console.cpp - android_bootable_recovery - Gitiles

 // console.cpp - GUIConsole 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"


 static std::vector<std::string> gConsole;

 extern "C" void gui_print(const char *fmt, ...)
 {
 	char buf[512];		// We're going to limit a single request to 512 bytes

 	va_list ap;
 	va_start(ap, fmt);
 	vsnprintf(buf, 512, fmt, ap);
 	va_end(ap);

 	fputs(buf, stdout);

 	char *start, *next;

 	if (buf[0] == '\n' && strlen(buf) < 2) {
 		// This prevents the double lines bug seen in the console during zip installs
 		return;
 	}

 	for (start = next = buf; *next != '\0'; next++)
 	{
 		if (*next == '\n')
 		{
 			*next = '\0';
 			next++;

 			std::string line = start;
 			gConsole.push_back(line);
 			start = next;

 			// Handle the normal \n\0 case
 			if (*next == '\0')
 				return;
 		}
 	}
 	std::string line = start;
 	gConsole.push_back(line);
 	return;
 }

 extern "C" void gui_print_overwrite(const char *fmt, ...)
 {
 	char buf[512];		// We're going to limit a single request to 512 bytes

 	va_list ap;
 	va_start(ap, fmt);
 	vsnprintf(buf, 512, fmt, ap);
 	va_end(ap);

 	fputs(buf, stdout);

 	// Pop the last line, and we can continue
 	if (!gConsole.empty())   gConsole.pop_back();

 	char *start, *next;
 	for (start = next = buf; *next != '\0'; next++)
 	{
 		if (*next == '\n')
 		{
 			*next = '\0';
 			next++;

 			std::string line = start;
 			gConsole.push_back(line);
 			start = next;

 			// Handle the normal \n\0 case
 			if (*next == '\0')
 				return;
 		}
 	}
 	std::string line = start;
 	gConsole.push_back(line);
 	return;
 }

 GUIConsole::GUIConsole(xml_node<>* node) : GUIObject(node)
 {
 	xml_attribute<>* attr;
 	xml_node<>* child;

 	mFont = NULL;
 	mCurrentLine = -1;
 	memset(&mForegroundColor, 255, sizeof(COLOR));
 	memset(&mBackgroundColor, 0, sizeof(COLOR));
 	mBackgroundColor.alpha = 255;
 	memset(&mScrollColor, 0x08, sizeof(COLOR));
 	mScrollColor.alpha = 255;
 	mLastCount = 0;
 	mSlideout = 0;
 	RenderCount = 0;
 	mSlideoutState = hidden;
 	mRender = true;

 	mRenderX = 0; mRenderY = 0; mRenderW = gr_fb_width(); mRenderH = gr_fb_height();

 	if (!node)
 	{
 		mSlideoutX = 0; mSlideoutY = 0; mSlideoutW = 0; mSlideoutH = 0;
 		mConsoleX = 0;  mConsoleY = 0;  mConsoleW = gr_fb_width();  mConsoleH = gr_fb_height();
 	}
 	else
 	{
 		child = node->first_node("font");
 		if (child)
 		{
 			attr = child->first_attribute("resource");
 			if (attr)
 				mFont = PageManager::FindResource(attr->value());
 		}

 		child = node->first_node("color");
 		if (child)
 		{
 			attr = child->first_attribute("foreground");
 			if (attr)
 			{
 				std::string color = attr->value();
 				ConvertStrToColor(color, &mForegroundColor);
 			}
 			attr = child->first_attribute("background");
 			if (attr)
 			{
 				std::string color = attr->value();
 				ConvertStrToColor(color, &mBackgroundColor);
 			}
 			attr = child->first_attribute("scroll");
 			if (attr)
 			{
 				std::string color = attr->value();
 				ConvertStrToColor(color, &mScrollColor);
 			}
 		}

 		// Load the placement
 		LoadPlacement(node->first_node("placement"), &mConsoleX, &mConsoleY, &mConsoleW, &mConsoleH);

 		child = node->first_node("slideout");
 		if (child)
 		{
 			mSlideout = 1;
 			LoadPlacement(child, &mSlideoutX, &mSlideoutY);

 			attr = child->first_attribute("resource");
 			if (attr)   mSlideoutImage = PageManager::FindResource(attr->value());

 			if (mSlideoutImage && mSlideoutImage->GetResource())
 			{
 				mSlideoutW = gr_get_width(mSlideoutImage->GetResource());
 				mSlideoutH = gr_get_height(mSlideoutImage->GetResource());
 			}
 		}
 	}

 	gr_getFontDetails(mFont, &mFontHeight, NULL);
 	SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
 	SetRenderPos(mConsoleX, mConsoleY);
 	return;
 }

 int GUIConsole::RenderSlideout(void)
 {
 	if (!mSlideoutImage || !mSlideoutImage->GetResource())
 		return -1;

 	gr_blit(mSlideoutImage->GetResource(), 0, 0, mSlideoutW, mSlideoutH, mSlideoutX, mSlideoutY);
 	return 0;
 }

 int GUIConsole::RenderConsole(void)
 {
 	void* fontResource = NULL;
 	if (mFont)
 		fontResource = mFont->GetResource();

 	// We fill the background
 	gr_color(mBackgroundColor.red, mBackgroundColor.green, mBackgroundColor.blue, 255);
 	gr_fill(mConsoleX, mConsoleY, mConsoleW, mConsoleH);

 	gr_color(mScrollColor.red, mScrollColor.green, mScrollColor.blue, mScrollColor.alpha);
 	gr_fill(mConsoleX + (mConsoleW * 9 / 10), mConsoleY, (mConsoleW / 10), mConsoleH);

 	// Render the lines
 	gr_color(mForegroundColor.red, mForegroundColor.green, mForegroundColor.blue, mForegroundColor.alpha);

 	// Don't try to continue to render without data
 	int prevCount = mLastCount;
 	mLastCount = gConsole.size();
 	mRender = false;
 	if (mLastCount == 0)
 		return (mSlideout ? RenderSlideout() : 0);

 	// Due to word wrap, figure out what / how the newly added text needs to be added to the render vector that is word wrapped
 	// Note, that multiple consoles on different GUI pages may be different widths or use different fonts, so the word wrapping
 	// may different in different console windows
 	for (int i = prevCount; i < mLastCount; i++) {
 		string curr_line = gConsole[i];
 		int line_char_width;
 		for(;;) {
 			line_char_width = gr_maxExW(curr_line.c_str(), fontResource, mConsoleW);
 			if (line_char_width < curr_line.size()) {
 				rConsole.push_back(curr_line.substr(0, line_char_width));
 				curr_line = curr_line.substr(line_char_width, curr_line.size() - line_char_width);
 			} else {
 				rConsole.push_back(curr_line);
 				break;
 			}
 		}
 	}
 	RenderCount = rConsole.size();

 	// Find the start point
 	int start;
 	int curLine = mCurrentLine; // Thread-safing (Another thread updates this value)
 	if (curLine == -1)
 	{
 		start = RenderCount - mMaxRows;
 	}
 	else
 	{
 		if (curLine > (int) RenderCount)
 			curLine = (int) RenderCount;
 		if ((int) mMaxRows > curLine)
 			curLine = (int) mMaxRows;
 		start = curLine - mMaxRows;
 	}

 	unsigned int line;
 	for (line = 0; line < mMaxRows; line++)
 	{
 		if ((start + (int) line) >= 0 && (start + (int) line) < (int) RenderCount)
 			gr_textExW(mConsoleX, mStartY + (line * mFontHeight), rConsole[start + line].c_str(), fontResource, mConsoleW + mConsoleX);
 	}
 	return (mSlideout ? RenderSlideout() : 0);
 }

 int GUIConsole::Render(void)
 {
 	if(!isConditionTrue())
 		return 0;

 	if (mSlideout && mSlideoutState == hidden)
 		return RenderSlideout();

 	return RenderConsole();
 }

 int GUIConsole::Update(void)
 {
 	if(!isConditionTrue())
 		return 0;

 	if (mSlideout && mSlideoutState != visible)
 	{
 		if (mSlideoutState == hidden)
 			return 0;

 		if (mSlideoutState == request_hide)
 			mSlideoutState = hidden;

 		if (mSlideoutState == request_show)
 			mSlideoutState = visible;

 		// Any time we activate the slider, we reset the position
 		mCurrentLine = -1;
 		return 2;
 	}

 	if (mCurrentLine == -1 && mLastCount != gConsole.size())
 	{
 		// We can use Render, and return for just a flip
 		Render();
 		return 2;
 	}
 	else if (mRender)
 	{
 		// They're still touching, so re-render
 		Render();
 		return 2;
 	}
 	return 0;
 }

 int GUIConsole::SetRenderPos(int x, int y, int w, int h)
 {
 	// Adjust the stub position accordingly
 	mSlideoutX += (x - mConsoleX);
 	mSlideoutY += (y - mConsoleY);

 	mConsoleX = x;
 	mConsoleY = y;
 	if (w || h)
 	{
 		mConsoleW = w;
 		mConsoleH = h;
 	}

 	// Calculate the max rows
 	mMaxRows = mConsoleH / mFontHeight;

 	// Adjust so we always fit to bottom
 	mStartY = mConsoleY + (mConsoleH % mFontHeight);
 	return 0;
 }

 // IsInRegion - Checks if the request is handled by this object
 //  Return 0 if this object handles the request, 1 if not
 int GUIConsole::IsInRegion(int x, int y)
 {
 	if (mSlideout)
 	{
 		// Check if they tapped the slideout button
 		if (x >= mSlideoutX && x <= mSlideoutX + mSlideoutW && y >= mSlideoutY && y < mSlideoutY + mSlideoutH)
 			return 1;

 		// If we're only rendering the slideout, bail now
 		if (mSlideoutState == hidden)
 			return 0;
 	}

 	return (x < mConsoleX || x > mConsoleX + mConsoleW || y < mConsoleY || y > mConsoleY + mConsoleH) ? 0 : 1;
 }

 // NotifyTouch - Notify of a touch event
 //  Return 0 on success, >0 to ignore remainder of touch, and <0 on error
 int GUIConsole::NotifyTouch(TOUCH_STATE state, int x, int y)
 {
 	if(!isConditionTrue())
 		return -1;

 	if (mSlideout && mSlideoutState == hidden)
 	{
 		if (state == TOUCH_START)
 		{
 			mSlideoutState = request_show;
 			return 1;
 		}
 	}
 	else if (mSlideout && mSlideoutState == visible)
 	{
 		// Are we sliding it back in?
 		if (state == TOUCH_START && x > mSlideoutX && x < (mSlideoutX + mSlideoutW) && y > mSlideoutY && y < (mSlideoutY + mSlideoutH))
 		{
 			mSlideoutState = request_hide;
 			return 1;
 		}
 	}

 	// If we don't have enough lines to scroll, throw this away.
 	if (RenderCount < mMaxRows)   return 1;

 	// We are scrolling!!!
 	switch (state)
 	{
 	case TOUCH_START:
 		mLastTouchX = x;
 		mLastTouchY = y;
 		break;

 	case TOUCH_DRAG:
 		if (x < mConsoleX || x > mConsoleX + mConsoleW || y < mConsoleY || y > mConsoleY + mConsoleH)
 			break; // touch is outside of the console area -- do nothing
 		if (y > mLastTouchY + mFontHeight) {
 			while (y > mLastTouchY + mFontHeight) {
 				if (mCurrentLine == -1)
 					mCurrentLine = RenderCount - 1;
 				else if (mCurrentLine > mMaxRows)
 					mCurrentLine--;
 				mLastTouchY += mFontHeight;
 			}
 			mRender = true;
 		} else if (y < mLastTouchY - mFontHeight) {
 			while (y < mLastTouchY - mFontHeight) {
 				if (mCurrentLine >= 0)
 					mCurrentLine++;
 				mLastTouchY -= mFontHeight;
 			}
 			if (mCurrentLine >= (int) RenderCount)
 				mCurrentLine = -1;
 			mRender = true;
 		}
 		break;

 	case TOUCH_RELEASE:
 		mLastTouchY = -1;
 	case TOUCH_REPEAT:
 	case TOUCH_HOLD:
 		break;
 	}
 	return 0;
 }
	// console.cpp - GUIConsole 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"


	static std::vector<std::string> gConsole;

	extern "C" void gui_print(const char *fmt, ...)
	{
	char buf[512]; // We're going to limit a single request to 512 bytes

	va_list ap;
	va_start(ap, fmt);
	vsnprintf(buf, 512, fmt, ap);
	va_end(ap);

	fputs(buf, stdout);

	char start, next;

	if (buf[0] == '\n' && strlen(buf) < 2) {
	// This prevents the double lines bug seen in the console during zip installs
	return;
	}

	for (start = next = buf; *next != '\0'; next++)
	{
	if (*next == '\n')
	{
	*next = '\0';
	next++;

	std::string line = start;
	gConsole.push_back(line);
	start = next;

	// Handle the normal \n\0 case
	if (*next == '\0')
	return;
	}
	}
	std::string line = start;
	gConsole.push_back(line);
	return;
	}

	extern "C" void gui_print_overwrite(const char *fmt, ...)
	{
	char buf[512]; // We're going to limit a single request to 512 bytes

	va_list ap;
	va_start(ap, fmt);
	vsnprintf(buf, 512, fmt, ap);
	va_end(ap);

	fputs(buf, stdout);

	// Pop the last line, and we can continue
	if (!gConsole.empty()) gConsole.pop_back();

	char start, next;
	for (start = next = buf; *next != '\0'; next++)
	{
	if (*next == '\n')
	{
	*next = '\0';
	next++;

	std::string line = start;
	gConsole.push_back(line);
	start = next;

	// Handle the normal \n\0 case
	if (*next == '\0')
	return;
	}
	}
	std::string line = start;
	gConsole.push_back(line);
	return;
	}

	GUIConsole::GUIConsole(xml_node<>* node) : GUIObject(node)
	{
	xml_attribute<>* attr;
	xml_node<>* child;

	mFont = NULL;
	mCurrentLine = -1;
	memset(&mForegroundColor, 255, sizeof(COLOR));
	memset(&mBackgroundColor, 0, sizeof(COLOR));
	mBackgroundColor.alpha = 255;
	memset(&mScrollColor, 0x08, sizeof(COLOR));
	mScrollColor.alpha = 255;
	mLastCount = 0;
	mSlideout = 0;
	RenderCount = 0;
	mSlideoutState = hidden;
	mRender = true;

	mRenderX = 0; mRenderY = 0; mRenderW = gr_fb_width(); mRenderH = gr_fb_height();

	if (!node)
	{
	mSlideoutX = 0; mSlideoutY = 0; mSlideoutW = 0; mSlideoutH = 0;
	mConsoleX = 0; mConsoleY = 0; mConsoleW = gr_fb_width(); mConsoleH = gr_fb_height();
	}
	else
	{
	child = node->first_node("font");
	if (child)
	{
	attr = child->first_attribute("resource");
	if (attr)
	mFont = PageManager::FindResource(attr->value());
	}

	child = node->first_node("color");
	if (child)
	{
	attr = child->first_attribute("foreground");
	if (attr)
	{
	std::string color = attr->value();
	ConvertStrToColor(color, &mForegroundColor);
	}
	attr = child->first_attribute("background");
	if (attr)
	{
	std::string color = attr->value();
	ConvertStrToColor(color, &mBackgroundColor);
	}
	attr = child->first_attribute("scroll");
	if (attr)
	{
	std::string color = attr->value();
	ConvertStrToColor(color, &mScrollColor);
	}
	}

	// Load the placement
	LoadPlacement(node->first_node("placement"), &mConsoleX, &mConsoleY, &mConsoleW, &mConsoleH);

	child = node->first_node("slideout");
	if (child)
	{
	mSlideout = 1;
	LoadPlacement(child, &mSlideoutX, &mSlideoutY);

	attr = child->first_attribute("resource");
	if (attr) mSlideoutImage = PageManager::FindResource(attr->value());

	if (mSlideoutImage && mSlideoutImage->GetResource())
	{
	mSlideoutW = gr_get_width(mSlideoutImage->GetResource());
	mSlideoutH = gr_get_height(mSlideoutImage->GetResource());
	}
	}
	}

	gr_getFontDetails(mFont, &mFontHeight, NULL);
	SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
	SetRenderPos(mConsoleX, mConsoleY);
	return;
	}

	int GUIConsole::RenderSlideout(void)
	{
	if (!mSlideoutImage \|\| !mSlideoutImage->GetResource())
	return -1;

	gr_blit(mSlideoutImage->GetResource(), 0, 0, mSlideoutW, mSlideoutH, mSlideoutX, mSlideoutY);
	return 0;
	}

	int GUIConsole::RenderConsole(void)
	{
	void* fontResource = NULL;
	if (mFont)
	fontResource = mFont->GetResource();

	// We fill the background
	gr_color(mBackgroundColor.red, mBackgroundColor.green, mBackgroundColor.blue, 255);
	gr_fill(mConsoleX, mConsoleY, mConsoleW, mConsoleH);

	gr_color(mScrollColor.red, mScrollColor.green, mScrollColor.blue, mScrollColor.alpha);
	gr_fill(mConsoleX + (mConsoleW * 9 / 10), mConsoleY, (mConsoleW / 10), mConsoleH);

	// Render the lines
	gr_color(mForegroundColor.red, mForegroundColor.green, mForegroundColor.blue, mForegroundColor.alpha);

	// Don't try to continue to render without data
	int prevCount = mLastCount;
	mLastCount = gConsole.size();
	mRender = false;
	if (mLastCount == 0)
	return (mSlideout ? RenderSlideout() : 0);

	// Due to word wrap, figure out what / how the newly added text needs to be added to the render vector that is word wrapped
	// Note, that multiple consoles on different GUI pages may be different widths or use different fonts, so the word wrapping
	// may different in different console windows
	for (int i = prevCount; i < mLastCount; i++) {
	string curr_line = gConsole[i];
	int line_char_width;
	for(;;) {
	line_char_width = gr_maxExW(curr_line.c_str(), fontResource, mConsoleW);
	if (line_char_width < curr_line.size()) {
	rConsole.push_back(curr_line.substr(0, line_char_width));
	curr_line = curr_line.substr(line_char_width, curr_line.size() - line_char_width);
	} else {
	rConsole.push_back(curr_line);
	break;
	}
	}
	}
	RenderCount = rConsole.size();

	// Find the start point
	int start;
	int curLine = mCurrentLine; // Thread-safing (Another thread updates this value)
	if (curLine == -1)
	{
	start = RenderCount - mMaxRows;
	}
	else
	{
	if (curLine > (int) RenderCount)
	curLine = (int) RenderCount;
	if ((int) mMaxRows > curLine)
	curLine = (int) mMaxRows;
	start = curLine - mMaxRows;
	}

	unsigned int line;
	for (line = 0; line < mMaxRows; line++)
	{
	if ((start + (int) line) >= 0 && (start + (int) line) < (int) RenderCount)
	gr_textExW(mConsoleX, mStartY + (line * mFontHeight), rConsole[start + line].c_str(), fontResource, mConsoleW + mConsoleX);
	}
	return (mSlideout ? RenderSlideout() : 0);
	}

	int GUIConsole::Render(void)
	{
	if(!isConditionTrue())
	return 0;

	if (mSlideout && mSlideoutState == hidden)
	return RenderSlideout();

	return RenderConsole();
	}

	int GUIConsole::Update(void)
	{
	if(!isConditionTrue())
	return 0;

	if (mSlideout && mSlideoutState != visible)
	{
	if (mSlideoutState == hidden)
	return 0;

	if (mSlideoutState == request_hide)
	mSlideoutState = hidden;

	if (mSlideoutState == request_show)
	mSlideoutState = visible;

	// Any time we activate the slider, we reset the position
	mCurrentLine = -1;
	return 2;
	}

	if (mCurrentLine == -1 && mLastCount != gConsole.size())
	{
	// We can use Render, and return for just a flip
	Render();
	return 2;
	}
	else if (mRender)
	{
	// They're still touching, so re-render
	Render();
	return 2;
	}
	return 0;
	}

	int GUIConsole::SetRenderPos(int x, int y, int w, int h)
	{
	// Adjust the stub position accordingly
	mSlideoutX += (x - mConsoleX);
	mSlideoutY += (y - mConsoleY);

	mConsoleX = x;
	mConsoleY = y;
	if (w \|\| h)
	{
	mConsoleW = w;
	mConsoleH = h;
	}

	// Calculate the max rows
	mMaxRows = mConsoleH / mFontHeight;

	// Adjust so we always fit to bottom
	mStartY = mConsoleY + (mConsoleH % mFontHeight);
	return 0;
	}

	// IsInRegion - Checks if the request is handled by this object
	// Return 0 if this object handles the request, 1 if not
	int GUIConsole::IsInRegion(int x, int y)
	{
	if (mSlideout)
	{
	// Check if they tapped the slideout button
	if (x >= mSlideoutX && x <= mSlideoutX + mSlideoutW && y >= mSlideoutY && y < mSlideoutY + mSlideoutH)
	return 1;

	// If we're only rendering the slideout, bail now
	if (mSlideoutState == hidden)
	return 0;
	}

	return (x < mConsoleX \|\| x > mConsoleX + mConsoleW \|\| y < mConsoleY \|\| y > mConsoleY + mConsoleH) ? 0 : 1;
	}

	// NotifyTouch - Notify of a touch event
	// Return 0 on success, >0 to ignore remainder of touch, and <0 on error
	int GUIConsole::NotifyTouch(TOUCH_STATE state, int x, int y)
	{
	if(!isConditionTrue())
	return -1;

	if (mSlideout && mSlideoutState == hidden)
	{
	if (state == TOUCH_START)
	{
	mSlideoutState = request_show;
	return 1;
	}
	}
	else if (mSlideout && mSlideoutState == visible)
	{
	// Are we sliding it back in?
	if (state == TOUCH_START && x > mSlideoutX && x < (mSlideoutX + mSlideoutW) && y > mSlideoutY && y < (mSlideoutY + mSlideoutH))
	{
	mSlideoutState = request_hide;
	return 1;
	}
	}

	// If we don't have enough lines to scroll, throw this away.
	if (RenderCount < mMaxRows) return 1;

	// We are scrolling!!!
	switch (state)
	{
	case TOUCH_START:
	mLastTouchX = x;
	mLastTouchY = y;
	break;

	case TOUCH_DRAG:
	if (x < mConsoleX \|\| x > mConsoleX + mConsoleW \|\| y < mConsoleY \|\| y > mConsoleY + mConsoleH)
	break; // touch is outside of the console area -- do nothing
	if (y > mLastTouchY + mFontHeight) {
	while (y > mLastTouchY + mFontHeight) {
	if (mCurrentLine == -1)
	mCurrentLine = RenderCount - 1;
	else if (mCurrentLine > mMaxRows)
	mCurrentLine--;
	mLastTouchY += mFontHeight;
	}
	mRender = true;
	} else if (y < mLastTouchY - mFontHeight) {
	while (y < mLastTouchY - mFontHeight) {
	if (mCurrentLine >= 0)
	mCurrentLine++;
	mLastTouchY -= mFontHeight;
	}
	if (mCurrentLine >= (int) RenderCount)
	mCurrentLine = -1;
	mRender = true;
	}
	break;

	case TOUCH_RELEASE:
	mLastTouchY = -1;
	case TOUCH_REPEAT:
	case TOUCH_HOLD:
	break;
	}
	return 0;
	}