4coder/4ed.h

191 lines
4.4 KiB
C

/*
* Mr. 4th Dimention - Allen Webster
*
* 12.12.2014
*
* Application Layer for 4coder
*
*/
// TOP
#ifndef FRED_H
#define FRED_H
struct Application_Memory{
void *vars_memory;
i32 vars_memory_size;
void *target_memory;
i32 target_memory_size;
};
#define KEY_INPUT_BUFFER_SIZE 4
#define KEY_INPUT_BUFFER_DSIZE (KEY_INPUT_BUFFER_SIZE << 1)
enum Key_Control{
CONTROL_KEY_SHIFT,
CONTROL_KEY_CONTROL,
CONTROL_KEY_ALT,
// always last
CONTROL_KEY_COUNT
};
struct Key_Event_Data{
u8 keycode;
//u8 apply_shift;
u8 character;
u8 character_no_caps_lock;
};
struct Key_Input_Data{
Key_Event_Data press[KEY_INPUT_BUFFER_SIZE];
Key_Event_Data hold[KEY_INPUT_BUFFER_SIZE];
i32 press_count;
i32 hold_count;
b8 control_keys[CONTROL_KEY_COUNT];
b8 caps_lock;
};
struct Key_Summary{
i32 count;
Key_Event_Data keys[KEY_INPUT_BUFFER_DSIZE];
bool8 modifiers[CONTROL_KEY_COUNT];
};
struct Key_Single{
Key_Event_Data key;
b8 *modifiers;
};
inline Key_Single
get_single_key(Key_Summary *summary, i32 index){
Assert(index >= 0 && index < summary->count);
Key_Single key;
key.key = summary->keys[index];
key.modifiers = summary->modifiers;
return key;
}
struct Mouse_State{
b32 out_of_window;
b32 left_button, right_button;
b32 left_button_prev, right_button_prev;
i32 x, y;
i16 wheel;
};
struct Mouse_Summary{
i32 mx, my;
b32 l, r;
b32 press_l, press_r;
b32 release_l, release_r;
b32 out_of_window;
b32 wheel_used;
i16 wheel_amount;
};
struct Input_Summary{
Mouse_Summary mouse;
Key_Summary keys;
Key_Codes *codes;
};
// TODO(allen): This can go, and we can just use a String for it.
struct Clipboard_Contents{
u8 *str;
i32 size;
};
#define FileNameMax (1 << 9)
struct File_Slot{
File_Slot *next, *prev;
byte *data;
i32 size, max;
char *filename;
i32 filename_len;
u32 flags;
};
enum File_Exchange_Flag{
FEx_Request = 0x1,
FEx_Ready = 0x2,
FEx_Not_Exist = 0x4,
FEx_Save = 0x8,
FEx_Save_Complete = 0x10
};
struct File_Exchange{
File_Slot available, active, free_list;
File_Slot *files;
i32 num_active, max;
};
struct Exchange{
Thread_Exchange thread;
File_Exchange file;
};
#define App_Init_Sig(name) \
b32 name(System_Functions *system, \
Render_Target *target, \
Application_Memory *memory, \
Exchange *exchange, \
Key_Codes *loose_codes, \
Clipboard_Contents clipboard, \
String current_directory, \
Config_API api)
typedef App_Init_Sig(App_Init);
enum Application_Mouse_Cursor{
APP_MOUSE_CURSOR_DEFAULT,
APP_MOUSE_CURSOR_ARROW,
APP_MOUSE_CURSOR_IBEAM,
APP_MOUSE_CURSOR_LEFTRIGHT,
APP_MOUSE_CURSOR_UPDOWN,
// never below this
APP_MOUSE_CURSOR_COUNT
};
struct Application_Step_Result{
Application_Mouse_Cursor mouse_cursor_type;
b32 redraw;
};
#define App_Step_Sig(name) Application_Step_Result \
name(System_Functions *system, \
Key_Codes *codes, \
Key_Input_Data *input, \
Mouse_State *mouse, \
Render_Target *target, \
Application_Memory *memory, \
Exchange *exchange, \
Clipboard_Contents clipboard, \
b32 time_step, b32 first_step, b32 force_redraw)
typedef App_Step_Sig(App_Step);
#define App_Alloc_Sig(name) void *name(void *handle, i32 size)
typedef App_Alloc_Sig(App_Alloc);
#define App_Free_Sig(name) void name(void *handle, void *block)
typedef App_Free_Sig(App_Free);
struct App_Functions{
App_Init *init;
App_Step *step;
App_Alloc *alloc;
App_Free *free;
};
#define App_Get_Functions_Sig(name) App_Functions name()
typedef App_Get_Functions_Sig(App_Get_Functions);
#endif
// BOTTOM