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#include <stdint.h>
/**
* @file
*
* Super Light compositing window manager for Fool 0S.
* Can be run directly on a 32bit or 24bit Framebuffer.
*
* pid needed to get vmem directory of process for some calls.
* only pne window per pid allowed by now.
*
* Internals:
*
* framebuffer
* backbuffer - same format as framebuffer.
*
* icons and user-land buffers use ARGB.
* bitmaps loaded use ARGB.
*
* TODO: /dev/mouse
*
* Threads
* -------
* In general it should be accessed only by one gui thread anyway.
*/
/**
* Initialization of our window manager
* some obvious params and the address of the framebuffer.
*/
void compositor_init(uint16_t width, uint16_t height,uint16_t bpp, uint16_t pitch, uint8_t *fb);
/**
* THE HEAVY WORK
*
* You can call this any time you want.
* It will have no effect unless there
* was a call to compositor_wake() before.
*/
void compositor_paint();
/**
* Call this at e.g. at 60HZ. To force a max refresh rate for
* compositor_paint(). Additonal calls to compositor_paint() will
* be jus skipped.
*
* This function just sets one variable so it can be caled
* from a interrupt handler (e.g. APIC Timer)
*/
void compositor_wake();
/**
* Invalidates an area of the screen. so it will be repainted on the
* upcoming frame. can set the address of the user framebuffer
* (if changed since last call).
*/
void compositor_invalidate(uint32_t pid,uint16_t x, uint16_t y, uint16_t w, uint16_t h,uint32_t *fb);
/**
* Window Create
*
* flag 1 - no decoration
* flag 2 - fixed (can not be moved and always in foreground)
*/
int compositor_create_window(uint32_t pid,uint16_t x, uint16_t y,uint16_t w,uint16_t h,uint16_t flags);
/**
* Window Destroy
*/
void compositor_destroy_window(uint32_t pid);
/**
* user input mouse
*/
void compositor_mouse_handle(int16_t x,int16_t y, uint8_t key);
/**
* user input keyboard
*/
void compositor_kb_handle(char c);
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