initial commit

1 files changed, 224 insertions, 0 deletions

diff --git a/src/input.h b/src/input.h
new file mode 100644
index 0000000..21f4df9
--- /dev/null
+++ b/src/input.h
@@ -0,0 +1,224 @@
+/* 
+*  BSD 2-Clause “Simplified” License
+*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
+*  All rights reserved.
+*/
+
+#ifndef INCLUDE_INPUT
+#define INCLUDE_INPUT
+
+/* The unknown key */
+#define KEY_UNKNOWN -1
+
+#define MOUSE_OFFSCREEN 32767
+
+/* Printable keys */
+#define KEY_SPACE              32
+#define KEY_APOSTROPHE         39  /* ' */
+#define KEY_COMMA              44  /* , */
+#define KEY_MINUS              45  /* - */
+#define KEY_PERIOD             46  /* . */
+#define KEY_SLASH              47  /* / */
+#define KEY_0                  48
+#define KEY_1                  49
+#define KEY_2                  50
+#define KEY_3                  51
+#define KEY_4                  52
+#define KEY_5                  53
+#define KEY_6                  54
+#define KEY_7                  55
+#define KEY_8                  56
+#define KEY_9                  57
+#define KEY_SEMICOLON          59  /* ; */
+#define KEY_EQUAL              61  /* = */
+#define KEY_A                  65
+#define KEY_B                  66
+#define KEY_C                  67
+#define KEY_D                  68
+#define KEY_E                  69
+#define KEY_F                  70
+#define KEY_G                  71
+#define KEY_H                  72
+#define KEY_I                  73
+#define KEY_J                  74
+#define KEY_K                  75
+#define KEY_L                  76
+#define KEY_M                  77
+#define KEY_N                  78
+#define KEY_O                  79
+#define KEY_P                  80
+#define KEY_Q                  81
+#define KEY_R                  82
+#define KEY_S                  83
+#define KEY_T                  84
+#define KEY_U                  85
+#define KEY_V                  86
+#define KEY_W                  87
+#define KEY_X                  88
+#define KEY_Y                  89
+#define KEY_Z                  90
+#define KEY_LEFT_BRACKET       91  /* [ */
+#define KEY_BACKSLASH          92  /* \ */
+#define KEY_RIGHT_BRACKET      93  /* ] */
+#define KEY_GRAVE_ACCENT       96  /* ` */
+#define KEY_WORLD_1            161 /* non-US #1 */
+#define KEY_WORLD_2            162 /* non-US #2 */
+
+/* Function keys */
+#define KEY_ESCAPE             256
+#define KEY_ENTER              257
+#define KEY_TAB                258
+#define KEY_BACKSPACE          259
+#define KEY_INSERT             260
+#define KEY_DELETE             261
+#define KEY_RIGHT              262
+#define KEY_LEFT               263
+#define KEY_DOWN               264
+#define KEY_UP                 265
+#define KEY_PAGE_UP            266
+#define KEY_PAGE_DOWN          267
+#define KEY_HOME               268
+#define KEY_END                269
+#define KEY_CAPS_LOCK          280
+#define KEY_SCROLL_LOCK        281
+#define KEY_NUM_LOCK           282
+#define KEY_PRINT_SCREEN       283
+#define KEY_PAUSE              284
+#define KEY_F1                 290
+#define KEY_F2                 291
+#define KEY_F3                 292
+#define KEY_F4                 293
+#define KEY_F5                 294
+#define KEY_F6                 295
+#define KEY_F7                 296
+#define KEY_F8                 297
+#define KEY_F9                 298
+#define KEY_F10                299
+#define KEY_F11                300
+#define KEY_F12                301
+#define KEY_F13                302
+#define KEY_F14                303
+#define KEY_F15                304
+#define KEY_F16                305
+#define KEY_F17                306
+#define KEY_F18                307
+#define KEY_F19                308
+#define KEY_F20                309
+#define KEY_F21                310
+#define KEY_F22                311
+#define KEY_F23                312
+#define KEY_F24                313
+#define KEY_F25                314
+#define KEY_KP_0               320
+#define KEY_KP_1               321
+#define KEY_KP_2               322
+#define KEY_KP_3               323
+#define KEY_KP_4               324
+#define KEY_KP_5               325
+#define KEY_KP_6               326
+#define KEY_KP_7               327
+#define KEY_KP_8               328
+#define KEY_KP_9               329
+#define KEY_KP_DECIMAL         330
+#define KEY_KP_DIVIDE          331
+#define KEY_KP_MULTIPLY        332
+#define KEY_KP_SUBTRACT        333
+#define KEY_KP_ADD             334
+#define KEY_KP_ENTER           335
+#define KEY_KP_EQUAL           336
+#define KEY_LEFT_SHIFT         340
+#define KEY_LEFT_CONTROL       341
+#define KEY_LEFT_ALT           342
+#define KEY_LEFT_SUPER         343
+#define KEY_RIGHT_SHIFT        344
+#define KEY_RIGHT_CONTROL      345
+#define KEY_RIGHT_ALT          346
+#define KEY_RIGHT_SUPER        347
+#define KEY_MENU               348
+
+#define KEY_LAST KEY_MENU
+
+#define MAX_KEYCODE 512
+
+#define MOUSE_DOWN (1 << 1)
+#define MOUSE_RELEASE (1 << 2)
+#define MOUSE_DOUBLE_CLICK (1 << 3)
+#define MOUSE_CLICK (1 << 4)
+
+#define SCROLL_UP 1
+#define SCROLL_DOWN -1
+
+
+// should be max path length
+#ifdef OS_LINUX
+#define MAX_INPUT_LENGTH 4096+1
+#define MAX_PATH_LENGTH 255+1
+#endif
+
+#ifdef OS_WIN
+#define MAX_INPUT_LENGTH 4096+1
+#define MAX_PATH_LENGTH 259+1
+#endif
+
+typedef struct t_mouse_input
+{
+	s16 x;
+	s16 y;
+	s16 move_x;
+	s16 move_y;
+	s16 total_move_x;
+	s16 total_move_y;
+	s8 left_state;
+	s8 right_state;
+	s8 scroll_state;
+} mouse_input;
+
+typedef enum t_keyboard_input_mode
+{
+	INPUT_NUMERIC,
+	INPUT_FULL,
+} keyboard_input_mode;
+
+typedef struct t_keyboard_input
+{
+	keyboard_input_mode input_mode;
+	int modifier_state;
+	bool take_input;
+	u32 cursor;
+	
+	// input
+	bool text_changed; // is set when text is pasted in, incase the new text is the same length as the old text so we know to store a new undo entry
+	bool has_selection;
+	s32 selection_begin_offset;
+	s32 selection_length;
+	char *input_text;
+	// input
+	
+	s32 input_text_len;
+	bool keys[MAX_KEYCODE];
+	bool input_keys[MAX_KEYCODE];
+} keyboard_input;
+
+int keycode_map[MAX_KEYCODE];
+
+bool is_left_down(mouse_input *input);
+bool is_left_released(mouse_input *input);
+bool is_left_clicked(mouse_input *input);
+bool is_left_double_clicked(mouse_input *input);
+bool is_right_down(mouse_input *input);
+bool is_right_released(mouse_input *input);
+bool is_right_clicked(mouse_input *input);
+
+bool keyboard_is_key_down(keyboard_input *keyboard, s16 key);
+bool keyboard_is_key_pressed(keyboard_input *keyboard, s16 key);
+void keyboard_set_input_text(keyboard_input *keyboard, char *text);
+void keyboard_set_input_mode(keyboard_input *keyboard, keyboard_input_mode mode);
+
+typedef struct t_platform_window platform_window;
+void keyboard_handle_input_string(platform_window *window, keyboard_input *keyboard, char *text);
+
+mouse_input mouse_input_create();
+keyboard_input keyboard_input_create();
+void keyboard_input_destroy(keyboard_input *keyboard);
+
+#endif
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