148 lines
3.3 KiB
C
148 lines
3.3 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 12.12.2014
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*
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* Application Layer for 4coder
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*
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*/
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// TOP
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#ifndef FRED_H
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#define FRED_H
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struct Application_Memory{
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void *vars_memory;
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i32 vars_memory_size;
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void *target_memory;
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i32 target_memory_size;
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};
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#define KEY_INPUT_BUFFER_SIZE 4
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#define KEY_INPUT_BUFFER_DSIZE (KEY_INPUT_BUFFER_SIZE << 1)
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enum Key_Control{
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CONTROL_KEY_SHIFT,
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CONTROL_KEY_CONTROL,
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CONTROL_KEY_ALT,
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// always last
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CONTROL_KEY_COUNT
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};
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struct Key_Event_Data{
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u16 keycode;
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u16 loose_keycode;
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u16 character;
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u16 character_no_caps_lock;
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};
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struct Key_Input_Data{
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Key_Event_Data press[KEY_INPUT_BUFFER_SIZE];
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Key_Event_Data hold[KEY_INPUT_BUFFER_SIZE];
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i32 press_count;
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i32 hold_count;
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b8 control_keys[CONTROL_KEY_COUNT];
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b8 caps_lock;
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};
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struct Key_Summary{
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i32 count;
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Key_Event_Data keys[KEY_INPUT_BUFFER_DSIZE];
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bool8 modifiers[CONTROL_KEY_COUNT];
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};
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struct Key_Single{
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Key_Event_Data key;
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b8 *modifiers;
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};
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inline Key_Single
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get_single_key(Key_Summary *summary, i32 index){
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Assert(index >= 0 && index < summary->count);
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Key_Single key;
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key.key = summary->keys[index];
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key.modifiers = summary->modifiers;
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return key;
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}
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struct Mouse_State{
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b32 out_of_window;
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b32 left_button, right_button;
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b32 left_button_prev, right_button_prev;
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i32 x, y;
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i16 wheel;
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};
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struct Mouse_Summary{
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i32 mx, my;
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b32 l, r;
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b32 press_l, press_r;
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b32 release_l, release_r;
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b32 out_of_window;
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b32 wheel_used;
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i16 wheel_amount;
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};
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struct Input_Summary{
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Mouse_Summary mouse;
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Key_Summary keys;
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Key_Codes *codes;
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};
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// TODO(allen): This can go, and we can just use a String for it.
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struct Clipboard_Contents{
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u8 *str;
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i32 size;
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};
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struct Thread_Context;
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#define App_Init_Sig(name) \
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b32 name(System_Functions *system, \
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Render_Target *target, \
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Application_Memory *memory, \
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Key_Codes *loose_codes, \
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Clipboard_Contents clipboard, \
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Config_API api)
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typedef App_Init_Sig(App_Init);
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enum Application_Mouse_Cursor{
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APP_MOUSE_CURSOR_DEFAULT,
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APP_MOUSE_CURSOR_ARROW,
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APP_MOUSE_CURSOR_IBEAM,
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APP_MOUSE_CURSOR_LEFTRIGHT,
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APP_MOUSE_CURSOR_UPDOWN,
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// never below this
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APP_MOUSE_CURSOR_COUNT
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};
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struct Application_Step_Result{
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Application_Mouse_Cursor mouse_cursor_type;
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b32 redraw;
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};
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#define App_Step_Sig(name) Application_Step_Result \
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name(System_Functions *system, \
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Key_Codes *codes, \
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Key_Input_Data *input, \
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Mouse_State *mouse, \
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Render_Target *target, \
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Application_Memory *memory, \
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Clipboard_Contents clipboard, \
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b32 time_step, b32 first_step, b32 force_redraw)
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typedef App_Step_Sig(App_Step);
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struct App_Functions{
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App_Init *init;
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App_Step *step;
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};
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#endif
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// BOTTOM
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