PawletOS/android_bootable_recovery
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Merge "screen_ui: Fix an issue when displaying wrapped text."

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This commit is contained in:
Tao Bao
2018-05-09 21:11:09 +00:00
committed by Gerrit Code Review
parent daa86e9024 452b487f31
commit 1d4ef4ba4b
2 changed files with 10 additions and 7 deletions
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12
screen_ui.cpp
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@@ -468,20 +468,22 @@ int ScreenRecoveryUI::DrawTextLines(int x, int y, const std::vector<std::string>
int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y,
const std::vector<std::string>& lines) const {
// Keep symmetrical margins based on the given offset (i.e. x).
size_t text_cols = (ScreenWidth() - x * 2) / char_width_;
int offset = 0;
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);
if (sub.size() <= text_cols_) {
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.
// 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_;
sub.resize(text_cols);
next_start += text_cols;
} else {
sub.resize(last_space);
next_start += last_space + 1;

5
screen_ui.h
View File

@@ -224,8 +224,9 @@ class ScreenRecoveryUI : public RecoveryUI {
virtual void DrawTextIcon(int x, int y, GRSurface* surface) const;
// Draws multiple text lines. Returns the offset it should be moving along Y-axis.
int DrawTextLines(int x, int y, const std::vector<std::string>& 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.
// Similar to DrawTextLines() to draw multiple text lines, but additionally wraps long lines. It
// keeps symmetrical margins of 'x' at each end of a line. Returns the offset it should be moving
// along Y-axis.
int DrawWrappedTextLines(int x, int y, const std::vector<std::string>& lines) const;
Icon currentIcon;