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UI: Add menu scroll to fit more menu entries on small screens

This commit is contained in:
Federico Amedeo Izzo 2020-12-27 20:45:49 +01:00
parent e5ac363081
commit ce768c3c8a
1 changed files with 8 additions and 2 deletions
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10
openrtx/src/ui.c
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@ -311,11 +311,17 @@ void _ui_drawVFOBottom()
void _ui_drawMenuList(point_t pos, const char *entries[], void _ui_drawMenuList(point_t pos, const char *entries[],
uint8_t num_entries, uint8_t selected) uint8_t num_entries, uint8_t selected)
{ {
// Number of menu entries that fit in the screen height
uint8_t entries_in_screen = ((SCREEN_HEIGHT - pos.y) / layout.top_h) + 1;
uint8_t scroll = 0;
char entry_buf[MAX_ENTRY_LEN] = ""; char entry_buf[MAX_ENTRY_LEN] = "";
for(int item=0; (item < num_entries) && (pos.y < SCREEN_HEIGHT); item++) for(int item=0; (item < num_entries) && (pos.y < SCREEN_HEIGHT); item++)
{ {
snprintf(entry_buf, sizeof(entry_buf), "%s", entries[item]); // If selection is off the screen, scroll screen
if(item == selected) if(selected >= entries_in_screen)
scroll = selected - entries_in_screen + 1;
snprintf(entry_buf, sizeof(entry_buf), "%s", entries[item + scroll]);
if(item + scroll == selected)
{ {
// Draw rectangle under selected item, compensating for text height // Draw rectangle under selected item, compensating for text height
point_t rect_pos = {0, pos.y - layout.top_h + 3}; point_t rect_pos = {0, pos.y - layout.top_h + 3};