1 files changed, 108 insertions, 0 deletions
diff --git a/source/archived/ui_meter.c b/source/archived/ui_meter.c
new file mode 100644
index 0000000..b0ee5a0
--- /dev/null
+++ b/source/archived/ui_meter.c
@@ -0,0 +1,108 @@
+#define TB_IMPL
+#include <termbox2.h>
+
+#include <locale.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+#define Assert(expr) \
+    if (!(expr)) \
+    { \
+        tb_shutdown(); \
+        raise(SIGTRAP); \
+    }
+
+#define METER_WIDTH 4
+
+static char ***EnvironmentPath = 0;
+
+void
+draw_meter(int X, int Y, int Height, int MaxLevel, int Level)
+{
+    int FillColor = 0;
+
+    Height -= 2; // substract top and bottom border
+
+    tb_printf(X, Y,              0, 0, "%ls", L"┌──┐"); 
+    tb_printf(X, Y + Height + 1, 0, 0, "%ls", L"└  ┘");
+
+    if (Level == MaxLevel)
+    {
+        FillColor = TB_GREEN;
+        tb_printf(X + 1, Y + Height + 1, 0, 0, "00");
+    }
+    else
+    {
+        FillColor = TB_CYAN;
+        tb_printf(X + 1, Y + Height + 1, 0, 0, "%02d", Level);
+    }
+
+    int FilledLevel = (Level * Height)/MaxLevel;
+
+    for (int LevelIndex = 0; LevelIndex < FilledLevel; LevelIndex++)
+    {
+        int YLevel = Y + (Height - LevelIndex);
+        tb_set_cell(X + 1, YLevel, L'▒', FillColor, FillColor);
+        tb_set_cell(X + 2, YLevel, L'▒', FillColor, FillColor);
+    }
+
+    for (int YOffset = 0; YOffset < Height; YOffset++)
+    {
+        tb_set_cell(X + 0, Y + YOffset + 1, L'│', 0, 0);
+        tb_set_cell(X + 3, Y + YOffset + 1, L'│', 0, 0);
+    }
+
+}
+
+int
+main(int Argc, char *Args[], char *Envp[])
+{
+    EnvironmentPath = &Envp;
+
+    struct tb_event ev = {0};
+    Assert(setlocale(LC_ALL, ""));
+    int Quit = 0;
+    int Level = 0;
+    int LevelStep = 10;
+    int MeterMaxLevel = 100;
+    int MeterHeight = 10 + 2;
+
+    tb_init();
+    tb_set_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
+
+    while (!Quit)
+    {
+        tb_clear();
+
+        int Y = 0;
+        draw_meter(1, Y, MeterHeight, MeterMaxLevel, Level);
+        Y += MeterHeight + 1;;
+
+        tb_print(0, Y, TB_BOLD, 0, "j"); tb_print(2, Y++, 0, 0, "decrease");
+        tb_print(0, Y, TB_BOLD, 0, "k"); tb_print(2, Y++, 0, 0, "increase");
+        tb_print(0, Y, TB_BOLD, 0, "q"); tb_print(2, Y++, 0, 0, "to quit");
+
+        tb_present();
+
+        tb_poll_event(&ev);
+
+        if (ev.ch == 'q' || ev.key == TB_KEY_CTRL_C) Quit = 1;
+        else if ((ev.ch == 'j' || ev.key == TB_KEY_MOUSE_WHEEL_DOWN) &&
+                 Level > 0)
+        {
+            if (LevelStep > Level) Level = 0;
+            else Level -= LevelStep;
+        }
+        else if ((ev.ch == 'k' || ev.key == TB_KEY_MOUSE_WHEEL_UP) &&
+                 Level < MeterMaxLevel)
+        {
+            if (Level + LevelStep > MeterMaxLevel) Level = MeterMaxLevel;
+            else Level += LevelStep;
+        }
+
+    }
+
+    tb_shutdown();
+    return 0;
+}