That-One-Nerd/AlgebraicManipulator
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Keys. Did barely anything this evening.

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That-One-Nerd 2025-06-25 21:59:33 -04:00
parent c754be2c9d
commit 021ea4bba9
1 changed files with 23 additions and 1 deletions
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24
src/main.cpp
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@ -1,5 +1,6 @@
#include <ti/screen.h> #include <ti/screen.h>
#include <ti/getcsc.h> #include <ti/getcsc.h>
#include <ti/getkey.h>
#include <stdlib.h> #include <stdlib.h>
#include "main.h" #include "main.h"
@ -40,6 +41,7 @@ int main(void)
return 0; return 0;
} }
static const char* list_symbols = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int display_list(const list_item* list, const list_config& config) int display_list(const list_item* list, const list_config& config)
{ {
size_t item_count = 0; size_t item_count = 0;
@ -52,12 +54,32 @@ int display_list(const list_item* list, const list_config& config)
if (item_count == 0) return -1; // No list to display. if (item_count == 0) return -1; // No list to display.
uint8_t max_on_screen = MIN(config.end_row - config.start_row, 10 - config.start_row) + 1; uint8_t max_on_screen = MIN(config.end_row - config.start_row, 10 - config.start_row) + 1;
uint24_t offset = 0;
uint24_t index = 0,
offset = 0;
_render:
for (size_t i = 0, j = offset; i < max_on_screen && j < item_count; i++, j++) for (size_t i = 0, j = offset; i < max_on_screen && j < item_count; i++, j++)
{ {
// TODO: print prefix
os_SetCursorPos(config.start_row + i, 0); os_SetCursorPos(config.start_row + i, 0);
os_PutStrLine(list[j].display_name); os_PutStrLine(list[j].display_name);
} }
uint16_t key = os_GetKey();
switch (key)
{
case k_Up:
if (index > 0) index--;
if (index <= offset) offset = index;
break;
case k_Down:
if (index < item_count) index++;
if (index >= offset) offset = index;
break;
}
goto _render;
return -1; return -1;
} }