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-rw-r--r--screen_ui.cpp168
1 files changed, 106 insertions, 62 deletions
diff --git a/screen_ui.cpp b/screen_ui.cpp
index 317e5529c..7ae81e55f 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -31,6 +31,7 @@
#include <time.h>
#include <unistd.h>
+#include <algorithm>
#include <memory>
#include <string>
#include <unordered_map>
@@ -42,7 +43,6 @@
#include <android-base/strings.h>
#include <minui/minui.h>
-#include "common.h"
#include "device.h"
#include "ui.h"
@@ -53,17 +53,27 @@ static double now() {
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
-Menu::Menu(bool scrollable, size_t max_items, size_t max_length)
+Menu::Menu(bool scrollable, size_t max_items, size_t max_length,
+ const std::vector<std::string>& headers, const std::vector<std::string>& items,
+ size_t initial_selection)
: scrollable_(scrollable),
max_display_items_(max_items),
max_item_length_(max_length),
- text_headers_(nullptr),
+ text_headers_(headers),
menu_start_(0),
- selection_(0) {
+ selection_(initial_selection) {
CHECK_LE(max_items, static_cast<size_t>(std::numeric_limits<int>::max()));
+
+ // It's fine to have more entries than text_rows_ if scrollable menu is supported.
+ size_t items_count = scrollable_ ? items.size() : std::min(items.size(), max_display_items_);
+ for (size_t i = 0; i < items_count; ++i) {
+ text_items_.emplace_back(items[i].substr(0, max_item_length_));
+ }
+
+ CHECK(!text_items_.empty());
}
-const char* const* Menu::text_headers() const {
+const std::vector<std::string>& Menu::text_headers() const {
return text_headers_;
}
@@ -86,28 +96,15 @@ size_t Menu::ItemsCount() const {
}
bool Menu::ItemsOverflow(std::string* cur_selection_str) const {
- if (!scrollable_ || static_cast<size_t>(ItemsCount()) <= max_display_items_) {
+ if (!scrollable_ || ItemsCount() <= max_display_items_) {
return false;
}
*cur_selection_str =
- android::base::StringPrintf("Current item: %d/%zu", selection_ + 1, ItemsCount());
+ android::base::StringPrintf("Current item: %zu/%zu", selection_ + 1, ItemsCount());
return true;
}
-void Menu::Start(const char* const* headers, const char* const* items, int initial_selection) {
- text_headers_ = headers;
-
- // It's fine to have more entries than text_rows_ if scrollable menu is supported.
- size_t max_items_count = scrollable_ ? std::numeric_limits<int>::max() : max_display_items_;
- for (size_t i = 0; i < max_items_count && items[i] != nullptr; ++i) {
- text_items_.emplace_back(items[i], strnlen(items[i], max_item_length_));
- }
-
- CHECK(!text_items_.empty());
- selection_ = initial_selection;
-}
-
// TODO(xunchang) modify the function parameters to button up & down.
int Menu::Select(int sel) {
CHECK_LE(ItemsCount(), static_cast<size_t>(std::numeric_limits<int>::max()));
@@ -373,19 +370,22 @@ void ScreenRecoveryUI::SelectAndShowBackgroundText(const std::vector<std::string
// Write the header and descriptive texts.
SetColor(INFO);
std::string header = "Show background text image";
- text_y += DrawTextLine(text_x, text_y, header.c_str(), true);
+ text_y += DrawTextLine(text_x, text_y, header, true);
std::string locale_selection = android::base::StringPrintf(
"Current locale: %s, %zu/%zu", locales_entries[sel].c_str(), sel, locales_entries.size());
- const char* instruction[] = { locale_selection.c_str(),
- "Use volume up/down to switch locales and power to exit.",
- nullptr };
+ // clang-format off
+ std::vector<std::string> instruction = {
+ locale_selection,
+ "Use volume up/down to switch locales and power to exit."
+ };
+ // clang-format on
text_y += DrawWrappedTextLines(text_x, text_y, instruction);
// Iterate through the text images and display them in order for the current locale.
for (const auto& p : surfaces) {
text_y += line_spacing;
SetColor(LOG);
- text_y += DrawTextLine(text_x, text_y, p.first.c_str(), false);
+ text_y += DrawTextLine(text_x, text_y, p.first, false);
gr_color(255, 255, 255, 255);
gr_texticon(text_x, text_y, p.second.get());
text_y += gr_get_height(p.second.get());
@@ -452,24 +452,23 @@ void ScreenRecoveryUI::DrawTextIcon(int x, int y, GRSurface* surface) const {
gr_texticon(x, y, surface);
}
-int ScreenRecoveryUI::DrawTextLine(int x, int y, const char* line, bool bold) const {
- gr_text(gr_sys_font(), x, y, line, bold);
+int ScreenRecoveryUI::DrawTextLine(int x, int y, const std::string& line, bool bold) const {
+ gr_text(gr_sys_font(), x, y, line.c_str(), bold);
return char_height_ + 4;
}
-int ScreenRecoveryUI::DrawTextLines(int x, int y, const char* const* lines) const {
+int ScreenRecoveryUI::DrawTextLines(int x, int y, const std::vector<std::string>& lines) const {
int offset = 0;
- for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
- offset += DrawTextLine(x, y + offset, lines[i], false);
+ for (const auto& line : lines) {
+ offset += DrawTextLine(x, y + offset, line, false);
}
return offset;
}
-int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* lines) const {
+int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y,
+ const std::vector<std::string>& lines) const {
int offset = 0;
- for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
- // The line will be wrapped if it exceeds text_cols_.
- std::string line(lines[i]);
+ for (const auto& line : lines) {
size_t next_start = 0;
while (next_start < line.size()) {
std::string sub = line.substr(next_start, text_cols_ + 1);
@@ -479,7 +478,7 @@ int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* line
// Line too long and must be wrapped to text_cols_ columns.
size_t last_space = sub.find_last_of(" \t\n");
if (last_space == std::string::npos) {
- // No space found, just draw as much as we can
+ // No space found, just draw as much as we can.
sub.resize(text_cols_);
next_start += text_cols_;
} else {
@@ -487,23 +486,12 @@ int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* line
next_start += last_space + 1;
}
}
- offset += DrawTextLine(x, y + offset, sub.c_str(), false);
+ offset += DrawTextLine(x, y + offset, sub, false);
}
}
return offset;
}
-static const char* REGULAR_HELP[] = {
- "Use volume up/down and power.",
- nullptr,
-};
-
-static const char* LONG_PRESS_HELP[] = {
- "Any button cycles highlight.",
- "Long-press activates.",
- nullptr,
-};
-
// Redraws everything on the screen. Does not flip pages. Should only be called with updateMutex
// locked.
void ScreenRecoveryUI::draw_screen_locked() {
@@ -516,11 +504,21 @@ void ScreenRecoveryUI::draw_screen_locked() {
gr_color(0, 0, 0, 255);
gr_clear();
+ // clang-format off
+ static std::vector<std::string> REGULAR_HELP{
+ "Use volume up/down and power.",
+ };
+ static std::vector<std::string> LONG_PRESS_HELP{
+ "Any button cycles highlight.",
+ "Long-press activates.",
+ };
+ // clang-format on
draw_menu_and_text_buffer_locked(HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);
}
// Draws the menu and text buffer on the screen. Should only be called with updateMutex locked.
-void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(const char* const* help_message) {
+void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(
+ const std::vector<std::string>& help_message) {
int y = kMarginHeight;
if (menu_) {
static constexpr int kMenuIndent = 4;
@@ -531,7 +529,7 @@ void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(const char* const* help_
std::string recovery_fingerprint =
android::base::GetProperty("ro.bootimage.build.fingerprint", "");
for (const auto& chunk : android::base::Split(recovery_fingerprint, ":")) {
- y += DrawTextLine(x, y, chunk.c_str(), false);
+ y += DrawTextLine(x, y, chunk, false);
}
y += DrawTextLines(x, y, help_message);
@@ -546,7 +544,7 @@ void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(const char* const* help_
// screen.
std::string cur_selection_str;
if (menu_->ItemsOverflow(&cur_selection_str)) {
- y += DrawTextLine(x, y, cur_selection_str.c_str(), true);
+ y += DrawTextLine(x, y, cur_selection_str, true);
}
}
@@ -570,7 +568,7 @@ void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(const char* const* help_
bold = true;
}
- y += DrawTextLine(x, y, menu_->TextItem(i).c_str(), bold);
+ y += DrawTextLine(x, y, menu_->TextItem(i), bold);
SetColor(MENU);
}
@@ -951,10 +949,10 @@ void ScreenRecoveryUI::ShowFile(FILE* fp) {
}
}
-void ScreenRecoveryUI::ShowFile(const char* filename) {
- FILE* fp = fopen_path(filename, "re");
- if (fp == nullptr) {
- Print(" Unable to open %s: %s\n", filename, strerror(errno));
+void ScreenRecoveryUI::ShowFile(const std::string& filename) {
+ std::unique_ptr<FILE, decltype(&fclose)> fp(fopen(filename.c_str(), "re"), fclose);
+ if (!fp) {
+ Print(" Unable to open %s: %s\n", filename.c_str(), strerror(errno));
return;
}
@@ -966,21 +964,19 @@ void ScreenRecoveryUI::ShowFile(const char* filename) {
text_ = file_viewer_text_;
ClearText();
- ShowFile(fp);
- fclose(fp);
+ ShowFile(fp.get());
text_ = old_text;
text_col_ = old_text_col;
text_row_ = old_text_row;
}
-void ScreenRecoveryUI::StartMenu(const char* const* headers, const char* const* items,
- int initial_selection) {
+void ScreenRecoveryUI::StartMenu(const std::vector<std::string>& headers,
+ const std::vector<std::string>& items, size_t initial_selection) {
pthread_mutex_lock(&updateMutex);
if (text_rows_ > 0 && text_cols_ > 1) {
- menu_ = std::make_unique<Menu>(scrollable_menu_, text_rows_, text_cols_ - 1);
- menu_->Start(headers, items, initial_selection);
-
+ menu_ = std::make_unique<Menu>(scrollable_menu_, text_rows_, text_cols_ - 1, headers, items,
+ initial_selection);
update_screen_locked();
}
pthread_mutex_unlock(&updateMutex);
@@ -1009,6 +1005,54 @@ void ScreenRecoveryUI::EndMenu() {
pthread_mutex_unlock(&updateMutex);
}
+size_t ScreenRecoveryUI::ShowMenu(const std::vector<std::string>& headers,
+ const std::vector<std::string>& items, size_t initial_selection,
+ bool menu_only,
+ const std::function<int(int, bool)>& key_handler) {
+ // Throw away keys pressed previously, so user doesn't accidentally trigger menu items.
+ FlushKeys();
+
+ StartMenu(headers, items, initial_selection);
+
+ int selected = initial_selection;
+ int chosen_item = -1;
+ while (chosen_item < 0) {
+ int key = WaitKey();
+ if (key == -1) { // WaitKey() timed out.
+ if (WasTextEverVisible()) {
+ continue;
+ } else {
+ LOG(INFO) << "Timed out waiting for key input; rebooting.";
+ EndMenu();
+ return static_cast<size_t>(-1);
+ }
+ }
+
+ bool visible = IsTextVisible();
+ int action = key_handler(key, visible);
+ if (action < 0) {
+ switch (action) {
+ case Device::kHighlightUp:
+ selected = SelectMenu(--selected);
+ break;
+ case Device::kHighlightDown:
+ selected = SelectMenu(++selected);
+ break;
+ case Device::kInvokeItem:
+ chosen_item = selected;
+ break;
+ case Device::kNoAction:
+ break;
+ }
+ } else if (!menu_only) {
+ chosen_item = action;
+ }
+ }
+
+ EndMenu();
+ return chosen_item;
+}
+
bool ScreenRecoveryUI::IsTextVisible() {
pthread_mutex_lock(&updateMutex);
int visible = show_text;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 20:51:20 +0100