136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
#ifndef LIBRARY_INTERNAL_HPP
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#define LIBRARY_INTERNAL_HPP
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#include "Color.hpp"
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#include "EventType.hpp"
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#include "GraphicMode.hpp"
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#include "KeyCode.hpp"
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#include "LayoutVersion.hpp"
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#include <functional>
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#include <sys/types.h>
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#include <vector>
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namespace vkvm {
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/**
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* the Control Registers
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* @author Julian Hinxlage
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* @since 0.1.0
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*/
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constexpr int keyboardBufferSize = 16;
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struct Registers {
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int layout_version;
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int trigger_reset;
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int width_pixels;
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int height_pixels;
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GraphicMode graphicMode;
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int autoRedrawInterval;
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int timerInterruptInterval;
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Color background_color;
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Color foreground_color;
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int characters_per_row;
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int characters_per_column;
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int textMode_font;
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int textMode_font_width;
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int textMode_font_height;
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int mouse_pos_x;
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int mouse_pos_y;
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std::array<int16_t, keyboardBufferSize> keyboardBuffer;
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int keyboardBuffer_index_write;
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int keyboardBuffer_index_read;
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};
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struct InterruptEntry {
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int pid;
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int signum;
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};
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/**
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* internal values for the library.
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*/
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struct Impl {
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int sharedMemoryPid;
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key_t sharedMemoryKey;
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int sharedMemorySize;
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int interruptEntyCount = 256; //NOLINT
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int interruptEntrysPerEventType = 8; //NOLINT
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int reservedSize = 1024; //NOLINT
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std::vector<std::function<void()>> eventTable;
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};
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extern Impl impl;
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/**
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* send a signal to a process
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* @param pid of the process to which the signal is send
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* @param signalNumber
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*/
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auto sendSignal(pid_t pid, int signalNumber) -> void;
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/**
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* calls the callback if a signal is received
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* @param signalNumber
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*/
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auto onSignal(int signalNumber, void(*callback)(int)) -> void;
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auto getInterrupTable() -> InterruptEntry *;
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auto getRegisters() -> Registers *;
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auto getTextArea() -> char *;
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auto getPixelArea() -> char *;
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/**
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* set layout version.
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* @param newValue new layout version number.
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*/
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auto setLayoutVersion(LayoutVersion newValue) -> void;
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/**
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* set characters per column for current font.
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* @param newValue characters per column.
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*/
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auto setCharactersPerColumn(int newValue) -> void;
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/**
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* set characters per row for current font.
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* @param newValue
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*/
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auto setCharactersPerRow(int newValue) -> void;
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/**
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* call a specific event.
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* @param type
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* @return true if there is a handler registered.
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*/
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auto callEvent(EventType type) -> bool;
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/**
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* set mouse position to x,y value.
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* @param x x coordinate
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* @param y y coordinate
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*/
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auto setMousePosition(int x, int y) -> void;
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/**
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* register pressed button.
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* @param keyCode pressed key.
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*/
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auto buttonPressed(KeyCode keyCode) -> void;
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// Shared Memory Layout
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// --------------------------------------------------------------------
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// struct ControlRegisters
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// char reserved[1024]
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// Interrupt Vector Table [64]
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// text area [max_textMode_width * max_textMode_height]
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// pixel area [max_height_pixels * max_height_pixels * sizeof(uint_32)]
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}
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#endif |