Implement type-safe input handling

2026-09-12 15:08:50 +02:00
parent 90602ff1ff
commit f1028acb10
8 changed files with 301 additions and 28 deletions
@@ -0,0 +1,183 @@
+package input
+
+// -----------------------------------------
+
+// Button/Key states
+Action :: enum i8 {
+	None    = -1,
+	Release = 0,
+	Press   = 1,
+	Repeat  = 2,
+}
+
+Key :: enum i16 {
+	// The unknown key
+	Key_Unknown       = -1,
+
+	// --- Printable keys ---
+
+	// Named printable keys
+	Key_Space         = 32,
+	Key_Apostrophe    = 39, // '
+	Key_Comma         = 44, // ,
+	Key_Minus         = 45, // -
+	Key_Period        = 46, // .
+	Key_Slash         = 47, // /
+	Key_Semicolon     = 59, // ;
+	Key_Equal         = 61, // =
+	Key_Left_Bracket  = 91, // [
+	Key_Backslash     = 92, // \
+	Key_Right_Bracket = 93, // ]
+	Key_Grave_Accent  = 96, // `
+	Key_World_1       = 161, // non-US #1
+	Key_World_2       = 162, // non-US #2
+
+	// Alphanumeric characters
+	Key_0             = 48,
+	Key_1             = 49,
+	Key_2             = 50,
+	Key_3             = 51,
+	Key_4             = 52,
+	Key_5             = 53,
+	Key_6             = 54,
+	Key_7             = 55,
+	Key_8             = 56,
+	Key_9             = 57,
+	Key_A             = 65,
+	Key_B             = 66,
+	Key_C             = 67,
+	Key_D             = 68,
+	Key_E             = 69,
+	Key_F             = 70,
+	Key_G             = 71,
+	Key_H             = 72,
+	Key_I             = 73,
+	Key_J             = 74,
+	Key_K             = 75,
+	Key_L             = 76,
+	Key_M             = 77,
+	Key_N             = 78,
+	Key_O             = 79,
+	Key_P             = 80,
+	Key_Q             = 81,
+	Key_R             = 82,
+	Key_S             = 83,
+	Key_T             = 84,
+	Key_U             = 85,
+	Key_V             = 86,
+	Key_W             = 87,
+	Key_X             = 88,
+	Key_Y             = 89,
+	Key_Z             = 90,
+
+	// --- Function keys ---
+
+	// Named non-printable keys
+	Key_Escape        = 256,
+	Key_Enter         = 257,
+	Key_Tab           = 258,
+	Key_Backspace     = 259,
+	Key_Insert        = 260,
+	Key_Delete        = 261,
+	Key_Right         = 262,
+	Key_Left          = 263,
+	Key_Down          = 264,
+	Key_Up            = 265,
+	Key_Page_Up       = 266,
+	Key_Page_Down     = 267,
+	Key_Home          = 268,
+	Key_End           = 269,
+	Key_Caps_Lock     = 280,
+	Key_Scroll_Lock   = 281,
+	Key_Num_Lock      = 282,
+	Key_Print_Screen  = 283,
+	Key_Pause         = 284,
+
+	// Function keys
+	Key_F1            = 290,
+	Key_F2            = 291,
+	Key_F3            = 292,
+	Key_F4            = 293,
+	Key_F5            = 294,
+	Key_F6            = 295,
+	Key_F7            = 296,
+	Key_F8            = 297,
+	Key_F9            = 298,
+	Key_F10           = 299,
+	Key_F11           = 300,
+	Key_F12           = 301,
+	Key_F13           = 302,
+	Key_F14           = 303,
+	Key_F15           = 304,
+	Key_F16           = 305,
+	Key_F17           = 306,
+	Key_F18           = 307,
+	Key_F19           = 308,
+	Key_F20           = 309,
+	Key_F21           = 310,
+	Key_F22           = 311,
+	Key_F23           = 312,
+	Key_F24           = 313,
+	Key_F25           = 314,
+
+	// Keypad numbers
+	Key_KP_0          = 320,
+	Key_KP_1          = 321,
+	Key_KP_2          = 322,
+	Key_KP_3          = 323,
+	Key_KP_4          = 324,
+	Key_KP_5          = 325,
+	Key_KP_6          = 326,
+	Key_KP_7          = 327,
+	Key_KP_8          = 328,
+	Key_KP_9          = 329,
+
+	// Keypad named function keys
+	Key_KP_Decimal    = 330,
+	Key_KP_Divide     = 331,
+	Key_KP_Multiply   = 332,
+	Key_KP_Subtract   = 333,
+	Key_KP_Add        = 334,
+	Key_KP_Enter      = 335,
+	Key_KP_Equal      = 336,
+
+	// Modifier keys
+	Key_Left_Shift    = 340,
+	Key_Left_Control  = 341,
+	Key_Left_Alt      = 342,
+	Key_Left_Super    = 343,
+	Key_Right_Shift   = 344,
+	Key_Right_Control = 345,
+	Key_Right_Alt     = 346,
+	Key_Right_Super   = 347,
+	Key_Menu          = 348,
+	Key_Last          = Key_Menu,
+}
+
+// Bitmask for modifier keys
+Mod :: enum i8 {
+	Shift     = 0,
+	Control   = 1,
+	Alt       = 2,
+	Super     = 3,
+	Caps_Lock = 4,
+	Num_Lock  = 5,
+}
+Mod_Set :: bit_set[Mod]
+
+// Mouse buttons
+Mouse_Button :: enum i8 {
+	Button_1 = 0,
+	Button_2 = 1,
+	Button_3 = 2,
+	Button_4 = 3,
+	Button_5 = 4,
+	Button_6 = 5,
+	Button_7 = 6,
+	Button_8 = 7,
+	// Alias names
+	Last     = Button_8,
+	Left     = Button_1,
+	Right    = Button_2,
+	Middle   = Button_3,
+}