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Fix to scrolling

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This commit is contained in:
HarukiToreda
2025-12-13 19:44:54 -05:00
parent 0597ae42c9
commit ddc8d2424b
1 changed files with 13 additions and 22 deletions
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35
src/graphics/draw/NodeListRenderer.cpp
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@@ -72,26 +72,7 @@ void scrollUp()
void scrollDown()
{
int totalEntries = nodeDB->getNumMeshNodes();
const int COMMON_HEADER_HEIGHT = FONT_HEIGHT_SMALL - 1;
const int rowYOffset = FONT_HEIGHT_SMALL - 3;
int screenHeight = screen->getHeight();
int visibleRows = (screenHeight - COMMON_HEADER_HEIGHT) / rowYOffset;
int totalColumns = 2;
#if defined(T_LORA_PAGER)
totalColumns = 3;
#endif
if (config.display.use_long_node_name)
totalColumns = 1;
int maxScroll = std::max(0, (totalEntries - 1) / (visibleRows * totalColumns));
if (scrollIndex < maxScroll)
scrollIndex++;
scrollIndex++;
popupTime = millis();
}
@@ -209,7 +190,8 @@ void drawScrollbar(OLEDDisplay *display, int visibleNodeRows, int totalEntries,
int scrollbarX = display->getWidth() - 2;
int scrollbarHeight = display->getHeight() - scrollStartY - 10;
int thumbHeight = std::max(4, (scrollbarHeight * visibleNodeRows * columns) / totalEntries);
int maxScroll = calculateMaxScroll(totalEntries, visibleNodeRows);
int perPage = visibleNodeRows * columns;
int maxScroll = std::max(0, (totalEntries - 1) / perPage);
int thumbY = scrollStartY + (scrollIndex * (scrollbarHeight - thumbHeight)) / std::max(1, maxScroll);
for (int i = 0; i < thumbHeight; i++) {
@@ -534,6 +516,15 @@ void drawNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
drawList.push_back(n->num);
}
totalEntries = drawList.size();
int perPage = visibleNodeRows * totalColumns;
int maxScroll = 0;
if (perPage > 0) {
maxScroll = std::max(0, (totalEntries - 1) / perPage);
}
if (scrollIndex > maxScroll)
scrollIndex = maxScroll;
int startIndex = scrollIndex * visibleNodeRows * totalColumns;
int endIndex = std::min(startIndex + visibleNodeRows * totalColumns, totalEntries);
int yOffset = 0;
@@ -581,7 +572,7 @@ void drawNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
#endif
const int scrollStartY = y + 3;
drawScrollbar(display, visibleNodeRows, totalEntries, scrollIndex, 2, scrollStartY);
drawScrollbar(display, visibleNodeRows, totalEntries, scrollIndex, totalColumns, scrollStartY);
graphics::drawCommonFooter(display, x, y);
// Scroll Popup Overlay