diff options
Diffstat (limited to 'gui/gui.cpp')
| -rw-r--r-- | gui/gui.cpp | 937 |
1 files changed, 937 insertions, 0 deletions
diff --git a/gui/gui.cpp b/gui/gui.cpp new file mode 100644 index 000000000..a270e365f --- /dev/null +++ b/gui/gui.cpp @@ -0,0 +1,937 @@ +/* + 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 <linux/input.h> +#include <pthread.h> +#include <stdarg.h> +#include <stdio.h> +#include <errno.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 <sys/mount.h> +#include <time.h> +#include <unistd.h> + +extern "C" +{ +#include "../twcommon.h" +#include <pixelflinger/pixelflinger.h> +} +#include "../minuitwrp/minui.h" + +#include "rapidxml.hpp" +#include "objects.hpp" +#include "../data.hpp" +#include "../variables.h" +#include "../partitions.hpp" +#include "../twrp-functions.hpp" +#include "../openrecoveryscript.hpp" +#include "../orscmd/orscmd.h" +#include "blanktimer.hpp" +#include "../tw_atomic.hpp" + +// Enable to print render time of each frame to the log file +//#define PRINT_RENDER_TIME 1 + +#ifdef _EVENT_LOGGING +#define LOGEVENT(...) LOGERR(__VA_ARGS__) +#else +#define LOGEVENT(...) do {} while (0) +#endif + +using namespace rapidxml; + +// Global values +static int gGuiInitialized = 0; +static TWAtomicInt gForceRender; +blanktimer blankTimer; +int ors_read_fd = -1; +static FILE* orsout = NULL; +static float scale_theme_w = 1; +static float scale_theme_h = 1; + +// Needed by pages.cpp too +int gGuiRunning = 0; + +int g_pty_fd = -1; // set by terminal on init +void terminal_pty_read(); + +int select_fd = 0; + +static int gRecorder = -1; + +extern "C" void gr_write_frame_to_file(int fd); + +static void flip(void) +{ + if (gRecorder != -1) + { + timespec time; + clock_gettime(CLOCK_MONOTONIC, &time); + write(gRecorder, &time, sizeof(timespec)); + gr_write_frame_to_file(gRecorder); + } + gr_flip(); +} + +void rapidxml::parse_error_handler(const char *what, void *where) +{ + fprintf(stderr, "Parser error: %s\n", what); + fprintf(stderr, " Start of string: %s\n",(char *) where); + LOGERR("Error parsing XML file.\n"); + //abort(); +} + +class InputHandler +{ +public: + void init() + { + // these might be read from DataManager in the future + touch_hold_ms = 500; + touch_repeat_ms = 100; + key_hold_ms = 500; + key_repeat_ms = 100; + touch_status = TS_NONE; + key_status = KS_NONE; + state = AS_NO_ACTION; + x = y = 0; + +#ifndef TW_NO_SCREEN_TIMEOUT + { + string seconds; + DataManager::GetValue("tw_screen_timeout_secs", seconds); + blankTimer.setTime(atoi(seconds.c_str())); + blankTimer.resetTimerAndUnblank(); + } +#else + LOGINFO("Skipping screen timeout: TW_NO_SCREEN_TIMEOUT is set\n"); +#endif + } + + // process input events. returns true if any event was received. + bool processInput(int timeout_ms); + + void handleDrag(); + +private: + // timeouts for touch/key hold and repeat + int touch_hold_ms; + int touch_repeat_ms; + int key_hold_ms; + int key_repeat_ms; + + enum touch_status_enum { + TS_NONE = 0, + TS_TOUCH_AND_HOLD = 1, + TS_TOUCH_REPEAT = 2, + }; + + enum key_status_enum { + KS_NONE = 0, + KS_KEY_PRESSED = 1, + KS_KEY_REPEAT = 2, + }; + + enum action_state_enum { + AS_IN_ACTION_AREA = 0, // we've touched a spot with an action + AS_NO_ACTION = 1, // we've touched in an empty area (no action) and ignore remaining events until touch release + }; + touch_status_enum touch_status; + key_status_enum key_status; + action_state_enum state; + int x, y; // x and y coordinates of last touch + struct timeval touchStart; // used to track time for long press / key repeat + + void processHoldAndRepeat(); + void process_EV_REL(input_event& ev); + void process_EV_ABS(input_event& ev); + void process_EV_KEY(input_event& ev); + + void doTouchStart(); +}; + +InputHandler input_handler; + + +bool InputHandler::processInput(int timeout_ms) +{ + input_event ev; + int ret = ev_get(&ev, timeout_ms); + + if (ret < 0) + { + // This path means that we did not get any new touch data, but + // we do not get new touch data if you press and hold on either + // the screen or on a keyboard key or mouse button + if (touch_status || key_status) + processHoldAndRepeat(); + return (ret != -2); // -2 means no more events in the queue + } + + switch (ev.type) + { + case EV_ABS: + process_EV_ABS(ev); + break; + + case EV_REL: + process_EV_REL(ev); + break; + + case EV_KEY: + process_EV_KEY(ev); + break; + } + + if (ev.code != KEY_POWER && ev.code > KEY_RESERVED) + blankTimer.resetTimerAndUnblank(); + + return true; // we got an event, so there might be more in the queue +} + +void InputHandler::processHoldAndRepeat() +{ + HardwareKeyboard *kb = PageManager::GetHardwareKeyboard(); + + // touch and key repeat section + struct timeval curTime; + gettimeofday(&curTime, NULL); + long seconds = curTime.tv_sec - touchStart.tv_sec; + long useconds = curTime.tv_usec - touchStart.tv_usec; + long mtime = ((seconds) * 1000 + useconds / 1000.0) + 0.5; + + if (touch_status == TS_TOUCH_AND_HOLD && mtime > touch_hold_ms) + { + touch_status = TS_TOUCH_REPEAT; + gettimeofday(&touchStart, NULL); + LOGEVENT("TOUCH_HOLD: %d,%d\n", x, y); + PageManager::NotifyTouch(TOUCH_HOLD, x, y); + } + else if (touch_status == TS_TOUCH_REPEAT && mtime > touch_repeat_ms) + { + LOGEVENT("TOUCH_REPEAT: %d,%d\n", x, y); + gettimeofday(&touchStart, NULL); + PageManager::NotifyTouch(TOUCH_REPEAT, x, y); + } + else if (key_status == KS_KEY_PRESSED && mtime > key_hold_ms) + { + LOGEVENT("KEY_HOLD: %d,%d\n", x, y); + gettimeofday(&touchStart, NULL); + key_status = KS_KEY_REPEAT; + kb->KeyRepeat(); + } + else if (key_status == KS_KEY_REPEAT && mtime > key_repeat_ms) + { + LOGEVENT("KEY_REPEAT: %d,%d\n", x, y); + gettimeofday(&touchStart, NULL); + kb->KeyRepeat(); + } +} + +void InputHandler::doTouchStart() +{ + LOGEVENT("TOUCH_START: %d,%d\n", x, y); + if (PageManager::NotifyTouch(TOUCH_START, x, y) > 0) + state = AS_NO_ACTION; + else + state = AS_IN_ACTION_AREA; + touch_status = TS_TOUCH_AND_HOLD; + gettimeofday(&touchStart, NULL); +} + +void InputHandler::process_EV_ABS(input_event& ev) +{ + x = ev.value >> 16; + y = ev.value & 0xFFFF; + + if (ev.code == 0) + { +#ifndef TW_USE_KEY_CODE_TOUCH_SYNC + if (state == AS_IN_ACTION_AREA) + { + LOGEVENT("TOUCH_RELEASE: %d,%d\n", x, y); + PageManager::NotifyTouch(TOUCH_RELEASE, x, y); + } + touch_status = TS_NONE; +#endif + } + else + { + if (!touch_status) + { +#ifndef TW_USE_KEY_CODE_TOUCH_SYNC + doTouchStart(); +#endif + } + else + { + if (state == AS_IN_ACTION_AREA) + { + LOGEVENT("TOUCH_DRAG: %d,%d\n", x, y); + } + } + } +} + +void InputHandler::process_EV_KEY(input_event& ev) +{ + HardwareKeyboard *kb = PageManager::GetHardwareKeyboard(); + + // Handle key-press here + LOGEVENT("TOUCH_KEY: %d\n", ev.code); + // Left mouse button is treated as a touch + if (ev.code == BTN_LEFT) + { + MouseCursor *cursor = PageManager::GetMouseCursor(); + if (ev.value == 1) + { + cursor->GetPos(x, y); + doTouchStart(); + } + else if (touch_status) + { + // Left mouse button was previously pressed and now is + // being released so send a TOUCH_RELEASE + if (state == AS_IN_ACTION_AREA) + { + cursor->GetPos(x, y); + + LOGEVENT("Mouse TOUCH_RELEASE: %d,%d\n", x, y); + PageManager::NotifyTouch(TOUCH_RELEASE, x, y); + } + touch_status = TS_NONE; + } + } + // side mouse button, often used for "back" function + else if (ev.code == BTN_SIDE) + { + if (ev.value == 1) + kb->KeyDown(KEY_BACK); + else + kb->KeyUp(KEY_BACK); + } else if (ev.value != 0) { + // This is a key press +#ifdef TW_USE_KEY_CODE_TOUCH_SYNC + if (ev.code == TW_USE_KEY_CODE_TOUCH_SYNC) { + LOGEVENT("key code %i key press == touch start %i %i\n", TW_USE_KEY_CODE_TOUCH_SYNC, x, y); + doTouchStart(); + return; + } +#endif + if (kb->KeyDown(ev.code)) { + // Key repeat is enabled for this key + key_status = KS_KEY_PRESSED; + touch_status = TS_NONE; + gettimeofday(&touchStart, NULL); + } else { + key_status = KS_NONE; + touch_status = TS_NONE; + } + } else { + // This is a key release + kb->KeyUp(ev.code); + key_status = KS_NONE; + touch_status = TS_NONE; +#ifdef TW_USE_KEY_CODE_TOUCH_SYNC + if (ev.code == TW_USE_KEY_CODE_TOUCH_SYNC) { + LOGEVENT("key code %i key release == touch release %i %i\n", TW_USE_KEY_CODE_TOUCH_SYNC, x, y); + PageManager::NotifyTouch(TOUCH_RELEASE, x, y); + } +#endif + } +} + +void InputHandler::process_EV_REL(input_event& ev) +{ + // Mouse movement + MouseCursor *cursor = PageManager::GetMouseCursor(); + LOGEVENT("EV_REL %d %d\n", ev.code, ev.value); + if (ev.code == REL_X) + cursor->Move(ev.value, 0); + else if (ev.code == REL_Y) + cursor->Move(0, ev.value); + + if (touch_status) { + cursor->GetPos(x, y); + LOGEVENT("Mouse TOUCH_DRAG: %d, %d\n", x, y); + key_status = KS_NONE; + } +} + +void InputHandler::handleDrag() +{ + // This allows us to only send one NotifyTouch event per render + // cycle to reduce overhead and perceived input latency. + static int prevx = 0, prevy = 0; // these track where the last drag notice was so that we don't send duplicate drag notices + if (touch_status && (x != prevx || y != prevy)) { + prevx = x; + prevy = y; + if (PageManager::NotifyTouch(TOUCH_DRAG, x, y) > 0) + state = AS_NO_ACTION; + else + state = AS_IN_ACTION_AREA; + } +} + +void set_select_fd() { + select_fd = ors_read_fd + 1; + if (g_pty_fd >= select_fd) + select_fd = g_pty_fd + 1; + if (PartitionManager.uevent_pfd.fd >= select_fd) + select_fd = PartitionManager.uevent_pfd.fd + 1; +} + +static void setup_ors_command() +{ + ors_read_fd = -1; + set_select_fd(); + + unlink(ORS_INPUT_FILE); + if (mkfifo(ORS_INPUT_FILE, 06660) != 0) { + LOGINFO("Unable to mkfifo %s\n", ORS_INPUT_FILE); + return; + } + unlink(ORS_OUTPUT_FILE); + if (mkfifo(ORS_OUTPUT_FILE, 06666) != 0) { + LOGINFO("Unable to mkfifo %s\n", ORS_OUTPUT_FILE); + unlink(ORS_INPUT_FILE); + return; + } + + ors_read_fd = open(ORS_INPUT_FILE, O_RDONLY | O_NONBLOCK); + if (ors_read_fd < 0) { + LOGINFO("Unable to open %s\n", ORS_INPUT_FILE); + unlink(ORS_INPUT_FILE); + unlink(ORS_OUTPUT_FILE); + } + set_select_fd(); +} + +// callback called after a CLI command was executed +static void ors_command_done() +{ + gui_set_FILE(NULL); + fclose(orsout); + orsout = NULL; + + if (DataManager::GetIntValue("tw_page_done") == 0) { + // The select function will return ready to read and the + // read function will return errno 19 no such device unless + // we set everything up all over again. + close(ors_read_fd); + setup_ors_command(); + } +} + +static void ors_command_read() +{ + char command[1024]; + int read_ret = read(ors_read_fd, &command, sizeof(command)); + + if (read_ret > 0) { + command[1022] = '\n'; + command[1023] = '\0'; + LOGINFO("Command '%s' received\n", command); + orsout = fopen(ORS_OUTPUT_FILE, "w"); + if (!orsout) { + close(ors_read_fd); + ors_read_fd = -1; + set_select_fd(); + LOGINFO("Unable to fopen %s\n", ORS_OUTPUT_FILE); + unlink(ORS_INPUT_FILE); + unlink(ORS_OUTPUT_FILE); + return; + } + if (DataManager::GetIntValue("tw_busy") != 0) { + fputs("Failed, operation in progress\n", orsout); + LOGINFO("Command cannot be performed, operation in progress.\n"); + fclose(orsout); + } else { + if (strlen(command) == 11 && strncmp(command, "dumpstrings", 11) == 0) { + gui_set_FILE(orsout); + PageManager::GetResources()->DumpStrings(); + ors_command_done(); + } else { + // mirror output messages + gui_set_FILE(orsout); + // close orsout and restart listener after command is done + OpenRecoveryScript::Call_After_CLI_Command(ors_command_done); + // run the command in a threaded action... + DataManager::SetValue("tw_action", "twcmd"); + DataManager::SetValue("tw_action_param", command); + // ...and switch back to the current page when finished + std::string currentPage = PageManager::GetCurrentPage(); + DataManager::SetValue("tw_has_action2", "1"); + DataManager::SetValue("tw_action2", "page"); + DataManager::SetValue("tw_action2_param", currentPage); + DataManager::SetValue("tw_action_text1", gui_lookup("running_recovery_commands", "Running Recovery Commands")); + DataManager::SetValue("tw_action_text2", ""); + gui_changePage("singleaction_page"); + // now immediately return to the GUI main loop (the action runs in the background thread) + // put all things that need to be done after the command is finished into ors_command_done, not here + } + } + } +} + +// Get and dispatch input events until it's time to draw the next frame +// This special function will return immediately the first time, but then +// always returns 1/30th of a second (or immediately if called later) from +// the last time it was called +static void loopTimer(int input_timeout_ms) +{ + static timespec lastCall; + static int initialized = 0; + + if (!initialized) + { + clock_gettime(CLOCK_MONOTONIC, &lastCall); + initialized = 1; + return; + } + + do + { + bool got_event = input_handler.processInput(input_timeout_ms); // get inputs but don't send drag notices + timespec curTime; + clock_gettime(CLOCK_MONOTONIC, &curTime); + + timespec diff = TWFunc::timespec_diff(lastCall, curTime); + + // This is really 2 or 30 times per second + // As long as we get events, increase the timeout so we can catch up with input + long timeout = got_event ? 500000000 : 33333333; + + if (diff.tv_sec || diff.tv_nsec > timeout) + { + // int32_t input_time = TWFunc::timespec_diff_ms(lastCall, curTime); + // LOGINFO("loopTimer(): %u ms, count: %u\n", input_time, count); + + lastCall = curTime; + input_handler.handleDrag(); // send only drag notices if needed + return; + } + + // We need to sleep some period time microseconds + //unsigned int sleepTime = 33333 -(diff.tv_nsec / 1000); + //usleep(sleepTime); // removed so we can scan for input + input_timeout_ms = 0; + } while (1); +} + +static int runPages(const char *page_name, const int stop_on_page_done) +{ + DataManager::SetValue("tw_page_done", 0); + DataManager::SetValue("tw_gui_done", 0); + + if (page_name) { + PageManager::SetStartPage(page_name); + gui_changePage(page_name); + } + + gGuiRunning = 1; + + DataManager::SetValue("tw_loaded", 1); + + struct timeval timeout; + fd_set fdset; + int has_data = 0; + + int input_timeout_ms = 0; + int idle_frames = 0; + + for (;;) + { + loopTimer(input_timeout_ms); + FD_ZERO(&fdset); + timeout.tv_sec = 0; + timeout.tv_usec = 1; + if (g_pty_fd > 0) { + FD_SET(g_pty_fd, &fdset); + } + if (PartitionManager.uevent_pfd.fd > 0) { + FD_SET(PartitionManager.uevent_pfd.fd, &fdset); + } +#ifndef TW_OEM_BUILD + if (ors_read_fd > 0 && !orsout) { // orsout is non-NULL if a command is still running + FD_SET(ors_read_fd, &fdset); + } +#endif + // TODO: combine this select with the poll done by input handling + has_data = select(select_fd, &fdset, NULL, NULL, &timeout); + if (has_data > 0) { + if (g_pty_fd > 0 && FD_ISSET(g_pty_fd, &fdset)) + terminal_pty_read(); + if (PartitionManager.uevent_pfd.fd > 0 && FD_ISSET(PartitionManager.uevent_pfd.fd, &fdset)) + PartitionManager.read_uevent(); + if (ors_read_fd > 0 && !orsout && FD_ISSET(ors_read_fd, &fdset)) + ors_command_read(); + } + + if (!gForceRender.get_value()) + { + int ret = PageManager::Update(); + if (ret == 0) + ++idle_frames; + else if (ret == -2) + break; // Theme reload failure + else + idle_frames = 0; + // due to possible animation objects, we need to delay activating the input timeout + input_timeout_ms = idle_frames > 15 ? 1000 : 0; + +#ifndef PRINT_RENDER_TIME + if (ret > 1) + PageManager::Render(); + + if (ret > 0) + flip(); +#else + if (ret > 1) + { + timespec start, end; + int32_t render_t, flip_t; + clock_gettime(CLOCK_MONOTONIC, &start); + PageManager::Render(); + clock_gettime(CLOCK_MONOTONIC, &end); + render_t = TWFunc::timespec_diff_ms(start, end); + + flip(); + clock_gettime(CLOCK_MONOTONIC, &start); + flip_t = TWFunc::timespec_diff_ms(end, start); + + LOGINFO("Render(): %u ms, flip(): %u ms, total: %u ms\n", render_t, flip_t, render_t+flip_t); + } + else if (ret > 0) + flip(); +#endif + } + else + { + gForceRender.set_value(0); + PageManager::Render(); + flip(); + input_timeout_ms = 0; + } + + blankTimer.checkForTimeout(); + if (stop_on_page_done && DataManager::GetIntValue("tw_page_done") != 0) + { + gui_changePage("main"); + break; + } + if (DataManager::GetIntValue("tw_gui_done") != 0) + break; + } + if (ors_read_fd > 0) + close(ors_read_fd); + ors_read_fd = -1; + set_select_fd(); + gGuiRunning = 0; + return 0; +} + +int gui_forceRender(void) +{ + gForceRender.set_value(1); + return 0; +} + +int gui_changePage(std::string newPage) +{ + LOGINFO("Set page: '%s'\n", newPage.c_str()); + PageManager::ChangePage(newPage); + gForceRender.set_value(1); + return 0; +} + +int gui_changeOverlay(std::string overlay) +{ + LOGINFO("Set overlay: '%s'\n", overlay.c_str()); + PageManager::ChangeOverlay(overlay); + gForceRender.set_value(1); + return 0; +} + +std::string gui_parse_text(std::string str) +{ + // This function parses text for DataManager values encompassed by %value% in the XML + // and string resources (%@resource_name%) + size_t pos = 0, next, end; + + while (1) + { + next = str.find("{@", pos); + if (next == std::string::npos) + break; + + end = str.find('}', next + 1); + if (end == std::string::npos) + break; + + std::string var = str.substr(next + 2, (end - next) - 2); + str.erase(next, (end - next) + 1); + + size_t default_loc = var.find('=', 0); + std::string lookup; + if (default_loc == std::string::npos) { + str.insert(next, PageManager::GetResources()->FindString(var)); + } else { + lookup = var.substr(0, default_loc); + std::string default_string = var.substr(default_loc + 1, var.size() - default_loc - 1); + str.insert(next, PageManager::GetResources()->FindString(lookup, default_string)); + } + } + pos = 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 (var.size() > 0 && var[0] == '@') { + // this is a string resource ("%@string_name%") + value = PageManager::GetResources()->FindString(var.substr(1)); + str.insert(next, value); + } + else if (DataManager::GetValue(var, value) == 0) + str.insert(next, value); + } + + pos = next + 1; + } +} + +std::string gui_lookup(const std::string& resource_name, const std::string& default_value) { + return PageManager::GetResources()->FindString(resource_name, default_value); +} + +extern "C" int gui_init(void) +{ + gr_init(); + TWFunc::Set_Brightness(DataManager::GetStrValue("tw_brightness")); + + // load and show splash screen + if (PageManager::LoadPackage("splash", TWRES "splash.xml", "splash")) { + LOGERR("Failed to load splash screen XML.\n"); + } + else { + PageManager::SelectPackage("splash"); + PageManager::Render(); + flip(); + PageManager::ReleasePackage("splash"); + } + + ev_init(); + return 0; +} + +extern "C" int gui_loadResources(void) +{ +#ifndef TW_OEM_BUILD + int check = 0; + DataManager::GetValue(TW_IS_ENCRYPTED, check); + + if (check) + { + if (PageManager::LoadPackage("TWRP", TWRES "ui.xml", "decrypt")) + { + gui_err("base_pkg_err=Failed to load base packages."); + goto error; + } + else + check = 1; + } + + if (check == 0) + { + std::string theme_path; + + theme_path = DataManager::GetSettingsStoragePath(); + if (!PartitionManager.Mount_Settings_Storage(false)) + { + int retry_count = 5; + while (retry_count > 0 && !PartitionManager.Mount_Settings_Storage(false)) + { + usleep(500000); + retry_count--; + } + + if (!PartitionManager.Mount_Settings_Storage(true)) + { + LOGINFO("Unable to mount %s during GUI startup.\n", theme_path.c_str()); + check = 1; + } + } + + theme_path += "/TWRP/theme/ui.zip"; + if (check || PageManager::LoadPackage("TWRP", theme_path, "main")) + { +#endif // ifndef TW_OEM_BUILD + if (PageManager::LoadPackage("TWRP", TWRES "ui.xml", "main")) + { + gui_err("base_pkg_err=Failed to load base packages."); + goto error; + } +#ifndef TW_OEM_BUILD + } + } +#endif // ifndef TW_OEM_BUILD + // Set the default package + PageManager::SelectPackage("TWRP"); + + gGuiInitialized = 1; + return 0; + +error: + LOGERR("An internal error has occurred: unable to load theme.\n"); + gGuiInitialized = 0; + return -1; +} + +extern "C" int gui_loadCustomResources(void) +{ +#ifndef TW_OEM_BUILD + if (!PartitionManager.Mount_Settings_Storage(false)) { + LOGINFO("Unable to mount settings storage during GUI startup.\n"); + return -1; + } + + std::string theme_path = DataManager::GetSettingsStoragePath(); + theme_path += "/TWRP/theme/ui.zip"; + // Check for a custom theme + if (TWFunc::Path_Exists(theme_path)) { + // There is a custom theme, try to load it + if (PageManager::ReloadPackage("TWRP", theme_path)) { + // Custom theme failed to load, try to load stock theme + if (PageManager::ReloadPackage("TWRP", TWRES "ui.xml")) { + gui_err("base_pkg_err=Failed to load base packages."); + goto error; + } + } + } + // Set the default package + PageManager::SelectPackage("TWRP"); +#endif + return 0; + +error: + LOGERR("An internal error has occurred: unable to load theme.\n"); + gGuiInitialized = 0; + return -1; +} + +extern "C" int gui_start(void) +{ + return gui_startPage("main", 1, 0); +} + +extern "C" int gui_startPage(const char *page_name, const int allow_commands, int stop_on_page_done) +{ + if (!gGuiInitialized) + return -1; + + // Set the default package + PageManager::SelectPackage("TWRP"); + + input_handler.init(); +#ifndef TW_OEM_BUILD + if (allow_commands) + { + if (ors_read_fd < 0) + setup_ors_command(); + } else { + if (ors_read_fd >= 0) { + close(ors_read_fd); + ors_read_fd = -1; + } + } +#endif + return runPages(page_name, stop_on_page_done); +} + + +extern "C" void set_scale_values(float w, float h) +{ + scale_theme_w = w; + scale_theme_h = h; +} + +extern "C" int scale_theme_x(int initial_x) +{ + if (scale_theme_w != 1) { + int scaled = (float)initial_x * scale_theme_w; + if (scaled == 0 && initial_x > 0) + return 1; + return scaled; + } + return initial_x; +} + +extern "C" int scale_theme_y(int initial_y) +{ + if (scale_theme_h != 1) { + int scaled = (float)initial_y * scale_theme_h; + if (scaled == 0 && initial_y > 0) + return 1; + return scaled; + } + return initial_y; +} + +extern "C" int scale_theme_min(int initial_value) +{ + if (scale_theme_w != 1 || scale_theme_h != 1) { + if (scale_theme_w < scale_theme_h) + return scale_theme_x(initial_value); + else + return scale_theme_y(initial_value); + } + return initial_value; +} + +extern "C" float get_scale_w() +{ + return scale_theme_w; +} + +extern "C" float get_scale_h() +{ + return scale_theme_h; +} |