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Optimise menu to only redrew necessary parts

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This commit is contained in:
Lewis Jackson 2023-05-30 00:12:09 +03:00
parent 0a59564d25
commit b5dc059b2f
2 changed files with 45 additions and 13 deletions
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38
src/Menu.cpp
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@ -9,6 +9,7 @@ RTC_DATA_ATTR uint8_t Menu::m_numPages = 0;
RTC_DATA_ATTR uint8_t Menu::m_currentPage = 0;
RTC_DATA_ATTR uint8_t Menu::m_numMenuItemsinCurrentPage = 0;
RTC_DATA_ATTR uint8_t Menu::m_currentMenuItem = 0;
RTC_DATA_ATTR uint8_t Menu::m_prevMenuItem = 0;
Menu::Menu()
{
@ -110,8 +111,22 @@ void Menu::Redraw(bool partialRefresh)
return;
}
bool hasTitle = false;
bool hasBody = false;
if (m_pages[m_currentPage].title.length() > 0) {
hasTitle = true;
}
if (m_pages[m_currentPage].body.length() > 0) {
hasBody = true;
}
m_display->setFullWindow();
if (!partialRefresh) {
m_display->fillScreen(GxEPD_WHITE);
}
if (m_pages.size() > 0) {
bool hasTitle = false;
@ -120,10 +135,8 @@ void Menu::Redraw(bool partialRefresh)
uint16_t top = 5;
if (m_pages[m_currentPage].title.length() > 0) {
hasTitle = true;
m_display->setFont(&FreeSansBold9pt7b);
m_display->setTextColor(GxEPD_BLACK);
m_display->setFont(&FreeSansBold9pt7b);
int16_t x, y;
uint16_t w, h;
@ -139,8 +152,10 @@ void Menu::Redraw(bool partialRefresh)
}
m_display->setCursor(x, 15);
if (!partialRefresh) {
m_display->print(m_pages[m_currentPage].title.c_str());
m_display->drawLine(5, 20, m_display->width() - 10, 20, GxEPD_BLACK);
}
top += 35;
}
@ -154,9 +169,14 @@ void Menu::Redraw(bool partialRefresh)
m_display->setTextWrap(false);
m_display->getTextBounds(m_pages[m_currentPage].body.c_str(), 0, 0, &x, &y, &w, &h);
m_display->setCursor(5, top);
if (!partialRefresh) {
m_display->print(m_pages[m_currentPage].body.c_str());
}
top += h - 5;
if (!partialRefresh) {
m_display->drawLine(5, top, m_display->width() - 10, top, GxEPD_BLACK);
}
top += 5;
}
@ -165,19 +185,30 @@ void Menu::Redraw(bool partialRefresh)
uint16_t w, h;
m_display->getTextBounds(m_pages[m_currentPage].menuItems[i].title.c_str(), 5, top, &x, &y, &w, &h);
bool draw = false;
if (i == m_currentMenuItem) {
m_display->fillRect(5, top, m_display->width() - 15, h + 6, GxEPD_BLACK);
m_display->setTextColor(GxEPD_WHITE);
draw = true;
} else {
if (!partialRefresh || (m_prevMenuItem != m_currentMenuItem && i == m_prevMenuItem)) {
m_display->fillRect(5, top, m_display->width() - 15, h + 6, GxEPD_WHITE);
m_display->setTextColor(GxEPD_BLACK);
draw = true;
}
}
if (draw) {
m_display->setFont(&FreeSans9pt7b);
m_display->setCursor(x, top + 15);
m_display->print(m_pages[m_currentPage].menuItems[i].title.c_str());
}
top += h + 5;
}
m_prevMenuItem = m_currentMenuItem;
}
m_display->display(partialRefresh);
@ -187,6 +218,7 @@ void Menu::Reset()
{
m_currentPage = 0;
m_currentMenuItem = 0;
m_prevMenuItem = 0;
m_numPages = m_pages.size();
if (m_numPages) {

2
src/Menu.h
View file

@ -45,6 +45,6 @@ private:
static RTC_DATA_ATTR WatchyDisplay * m_display;
static RTC_DATA_ATTR std::function<void()> m_exitCallback;
static RTC_DATA_ATTR uint8_t m_numPages, m_currentPage, m_numMenuItemsinCurrentPage, m_currentMenuItem;
static RTC_DATA_ATTR uint8_t m_numPages, m_currentPage, m_numMenuItemsinCurrentPage, m_currentMenuItem, m_prevMenuItem;
std::vector<MenuPage> m_pages;
};