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Commit 162b9232 authored by Tao Bao's avatar Tao Bao Committed by Gerrit Code Review
Browse files

Merge "screen_ui: Word-wrap menu headers."

parents 11214d90 2bbc6d64

recovery.cpp

+5 −4
Original line number Diff line number Diff line
@@ -757,12 +757,13 @@ static bool wipe_data(Device* device) { 
}



static bool prompt_and_wipe_data(Device* device) {

  // Use a single string and let ScreenRecoveryUI handles the wrapping.

  const char* const headers[] = {

    "Can't load Android system. Your data may be corrupt.",

    "If you continue to get this message, you may need to",

    "perform a factory data reset and erase all user data",

    "Can't load Android system. Your data may be corrupt. "

    "If you continue to get this message, you may need to "

    "perform a factory data reset and erase all user data "

    "stored on this device.",

    NULL

    nullptr

  };

  const char* const items[] = {

    "Try again",

screen_ui.cpp

+29 −1
Original line number Diff line number Diff line
@@ -278,6 +278,34 @@ int ScreenRecoveryUI::DrawTextLines(int x, int y, const char* const* lines) cons 
  return offset;

}



int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* 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]);

    size_t next_start = 0;

    while (next_start < line.size()) {

      std::string sub = line.substr(next_start, text_cols_ + 1);

      if (sub.size() <= text_cols_) {

        next_start += sub.size();

      } else {

        // 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

          sub.resize(text_cols_);

          next_start += text_cols_;

        } else {

          sub.resize(last_space);

          next_start += last_space + 1;

        }

      }

      offset += DrawTextLine(x, y + offset, sub.c_str(), false);

    }

  }

  return offset;

}



static const char* REGULAR_HELP[] = {

  "Use volume up/down and power.",

  NULL
@@ -316,7 +344,7 @@ void ScreenRecoveryUI::draw_screen_locked() { 
    y += DrawTextLines(x, y, HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);



    SetColor(HEADER);

    y += DrawTextLines(x, y, menu_headers_);

    y += DrawWrappedTextLines(x, y, menu_headers_);



    SetColor(MENU);

    y += DrawHorizontalRule(y) + 4;

screen_ui.h

+3 −0
Original line number Diff line number Diff line
@@ -187,6 +187,9 @@ class ScreenRecoveryUI : public RecoveryUI { 
  virtual int DrawTextLine(int x, int y, const char* line, bool bold) const;

  // Draws multiple text lines. Returns the offset it should be moving along Y-axis.

  int DrawTextLines(int x, int y, const char* const* lines) const;

  // Similar to DrawTextLines() to draw multiple text lines, but additionally wraps long lines.

  // Returns the offset it should be moving along Y-axis.

  int DrawWrappedTextLines(int x, int y, const char* const* lines) const;

};



#endif  // RECOVERY_UI_H