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-rw-r--r--screen_ui.cpp56
1 files changed, 33 insertions, 23 deletions
diff --git a/screen_ui.cpp b/screen_ui.cpp
index edc41abc0..a0df455cd 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -40,25 +40,26 @@ static int char_height;
// There's only (at most) one of these objects, and global callbacks
// (for pthread_create, and the input event system) need to find it,
// so use a global variable.
-static ScreenRecoveryUI* self = NULL;
+static ScreenRecoveryUI* self = nullptr;
// Return the current time as a double (including fractions of a second).
static double now() {
struct timeval tv;
- gettimeofday(&tv, NULL);
+ gettimeofday(&tv, nullptr);
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
ScreenRecoveryUI::ScreenRecoveryUI() :
currentIcon(NONE),
installingFrame(0),
- locale(NULL),
+ locale(nullptr),
rtl_locale(false),
progressBarType(EMPTY),
progressScopeStart(0),
progressScopeSize(0),
progress(0),
pagesIdentical(false),
+ text(nullptr),
text_cols(0),
text_rows(0),
text_col(0),
@@ -66,6 +67,7 @@ ScreenRecoveryUI::ScreenRecoveryUI() :
text_top(0),
show_text(false),
show_text_ever(false),
+ menu(nullptr),
show_menu(false),
menu_top(0),
menu_items(0),
@@ -75,12 +77,10 @@ ScreenRecoveryUI::ScreenRecoveryUI() :
stage(-1),
max_stage(-1) {
- for (int i = 0; i < 5; i++)
- backgroundIcon[i] = NULL;
-
- memset(text, 0, sizeof(text));
-
- pthread_mutex_init(&updateMutex, NULL);
+ for (int i = 0; i < 5; i++) {
+ backgroundIcon[i] = nullptr;
+ }
+ pthread_mutex_init(&updateMutex, nullptr);
self = this;
}
@@ -247,7 +247,8 @@ void ScreenRecoveryUI::draw_screen_locked()
// screen, the bottom of the menu, or we've displayed the
// entire text buffer.
int row = (text_top+text_rows-1) % text_rows;
- for (int ty = gr_fb_height() - char_height, count = 0;
+ size_t count = 0;
+ for (int ty = gr_fb_height() - char_height;
ty > y+2 && count < text_rows;
ty -= char_height, ++count) {
gr_text(0, ty, text[row], 0);
@@ -281,7 +282,7 @@ void ScreenRecoveryUI::update_progress_locked()
// Keeps the progress bar updated, even when the process is otherwise busy.
void* ScreenRecoveryUI::progress_thread(void *cookie) {
self->progress_loop();
- return NULL;
+ return nullptr;
}
void ScreenRecoveryUI::progress_loop() {
@@ -344,23 +345,32 @@ void ScreenRecoveryUI::LoadLocalizedBitmap(const char* filename, gr_surface* sur
}
}
+static char** Alloc2d(size_t rows, size_t cols) {
+ char** result = new char*[rows];
+ for (size_t i = 0; i < rows; ++i) {
+ result[i] = new char[cols];
+ memset(result[i], 0, cols);
+ }
+ return result;
+}
+
void ScreenRecoveryUI::Init()
{
gr_init();
gr_font_size(&char_width, &char_height);
+ text_rows = gr_fb_height() / char_height;
+ text_cols = gr_fb_width() / char_width;
+
+ text = Alloc2d(text_rows, text_cols + 1);
+ menu = Alloc2d(text_rows, text_cols + 1);
text_col = text_row = 0;
- text_rows = gr_fb_height() / char_height;
- if (text_rows > kMaxRows) text_rows = kMaxRows;
text_top = 1;
- text_cols = gr_fb_width() / char_width;
- if (text_cols > kMaxCols - 1) text_cols = kMaxCols - 1;
-
- backgroundIcon[NONE] = NULL;
+ backgroundIcon[NONE] = nullptr;
LoadBitmapArray("icon_installing", &installing_frames, &installation);
- backgroundIcon[INSTALLING_UPDATE] = installing_frames ? installation[0] : NULL;
+ backgroundIcon[INSTALLING_UPDATE] = installing_frames ? installation[0] : nullptr;
backgroundIcon[ERASING] = backgroundIcon[INSTALLING_UPDATE];
LoadBitmap("icon_error", &backgroundIcon[ERROR]);
backgroundIcon[NO_COMMAND] = backgroundIcon[ERROR];
@@ -375,7 +385,7 @@ void ScreenRecoveryUI::Init()
LoadLocalizedBitmap("no_command_text", &backgroundText[NO_COMMAND]);
LoadLocalizedBitmap("error_text", &backgroundText[ERROR]);
- pthread_create(&progress_t, NULL, progress_thread, NULL);
+ pthread_create(&progress_t, nullptr, progress_thread, nullptr);
RecoveryUI::Init();
}
@@ -402,7 +412,7 @@ void ScreenRecoveryUI::SetLocale(const char* new_locale) {
}
free(lang);
} else {
- new_locale = NULL;
+ new_locale = nullptr;
}
}
@@ -496,17 +506,17 @@ void ScreenRecoveryUI::Print(const char *fmt, ...)
void ScreenRecoveryUI::StartMenu(const char* const * headers, const char* const * items,
int initial_selection) {
- int i;
pthread_mutex_lock(&updateMutex);
if (text_rows > 0 && text_cols > 0) {
+ size_t i;
for (i = 0; i < text_rows; ++i) {
- if (headers[i] == NULL) break;
+ if (headers[i] == nullptr) break;
strncpy(menu[i], headers[i], text_cols-1);
menu[i][text_cols-1] = '\0';
}
menu_top = i;
for (; i < text_rows; ++i) {
- if (items[i-menu_top] == NULL) break;
+ if (items[i-menu_top] == nullptr) break;
strncpy(menu[i], items[i-menu_top], text_cols-1);
menu[i][text_cols-1] = '\0';
}