checkpoint

1 files changed, 71 insertions, 0 deletions

diff --git a/archived/ui_selection.c b/archived/ui_selection.c
new file mode 100644
index 0000000..3e45ee2
--- /dev/null
+++ b/archived/ui_selection.c
@@ -0,0 +1,71 @@
+#define TB_IMPL
+#include "../chatty/external/termbox2.h"
+
+#include <signal.h>
+
+#define Assert(expr) if (!(expr)) raise(SIGTRAP)
+
+typedef struct {
+    int X, Y;
+} Position;
+
+int
+main(void)
+{
+    int Selected = 0;
+    int NumChoices = 3;
+    int Y = 0;
+
+    Position Positions[NumChoices];
+    Positions[0] = (Position){1, Y};
+    Positions[1] = (Position){5, Y};
+    Positions[2] = (Position){9, Y};
+    Y += 2;
+
+    struct tb_event ev = {0};
+    int Color = TB_GREEN;
+
+    tb_init();
+
+    int Quit = 0;
+    while (!Quit)
+    {
+        tb_clear();
+
+        int BaseY = Y;
+        tb_printf(0, BaseY, TB_BOLD, 0, "j"); tb_printf(2, BaseY++, 0, 0, "select next");
+        tb_printf(0, BaseY, TB_BOLD, 0, "k"); tb_printf(2, BaseY++, 0, 0, "select previous");
+        tb_printf(0, BaseY, TB_BOLD, 0, "s"); tb_printf(2, BaseY++, 0, 0, "change color");
+        tb_printf(0, BaseY, TB_BOLD, 0, "q"); tb_printf(2, BaseY++, 0, 0, "quit");
+
+        // Draw a box at position
+        for (int PositionsIndex = 0; PositionsIndex < NumChoices; PositionsIndex++)
+        {
+            Assert(Positions[PositionsIndex].X > 0);
+            tb_printf(Positions[PositionsIndex].X - 1, Positions[PositionsIndex].Y, Color, 0, "[ ]");
+        }
+        // Draw mark in selected box
+        tb_printf(Positions[Selected].X, Positions[Selected].Y, Color, 0, "x");
+
+        tb_present();
+        tb_poll_event(&ev);
+
+        if (ev.ch == 'q') Quit = 1;
+        else if (ev.ch == 'j' && Selected < NumChoices - 1) Selected++;
+        else if (ev.ch == 'k' && Selected)                  Selected--;
+        else if (ev.ch == 's')
+        {
+            switch (Selected)
+            {
+            case 0: Color = TB_GREEN; break;
+            case 1: Color = TB_BLUE; break;
+            case 2: Color = TB_RED; break;
+            default: Assert(0); break;
+            }
+        }
+    }
+
+    tb_shutdown();
+
+    return 0;
+}