+ public header fully documented.

+ internal header
This commit is contained in:
Johannes Theiner 2019-10-23 17:12:04 +02:00
parent f0f0d4ae63
commit 29dac2230f
11 changed files with 334 additions and 64 deletions

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@ -10,7 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Continuous Integration
## [0.0.1] - 2019-10-24
## [0.1.0] - 2019-10-24
### Added

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@ -1,13 +1,15 @@
# vKVM Library
# Installation
## Installation
Use the installation script provided in the Scripts repository
to install the full package.
Installing a single component is currently not supported.
# Usage
## Usage
Include this library with

20
src/Color.h Normal file
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@ -0,0 +1,20 @@
#ifndef LIBRARY_COLOR_H
#define LIBRARY_COLOR_H
static const Color black = Color(0, 0, 0);
static const Color white = Color(255, 255, 255);
class Color {
private:
unsigned char red;
unsigned char green;
unsigned char blue;
public:
Color(red, green, blue);
};
#endif

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src/EventType.h Normal file
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@ -0,0 +1,19 @@
#ifndef LIBRARY_EVENTTYPE_H
#define LIBRARY_EVENTTYPE_H
/**
* @since 0.1.0
* @uthor Johannes Theiner
*/
enum EventType {
Timer = 1,
MouseMove = 2,
MouseButton = 3,
KeyDown = 4,
KeyUp = 5,
UpdateControlRegisters = 6,
Redraw = 7,
RenderText = 8
};
#endif

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src/Font.h Normal file
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@ -0,0 +1,17 @@
#ifndef LIBRARY_FONT_H
#define LIBRARY_FONT_H
class Font {
private:
Font();
public:
std::string getName();
int getHeight();
int getWidth();
};
#endif

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src/GraphicMode.h Normal file
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@ -0,0 +1,11 @@
#ifndef LIBRARY_GRAPHICMODE_H
#define LIBRARY_GRAPHICMODE_H
enum GraphicMode {
Text = 1,
TwoColors = 2,
Gray_256 = 3,
TrueColor = 4,
};
#endif

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src/KeyCode.h Normal file
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@ -0,0 +1,17 @@
#ifndef LIBRARY_KEYCODE_H
#define LIBRARY_KEYCODE_H
const KeyCode Backspace = KeyCode(8);
const KeyCode tabulator = KeyCode(9);
class KeyCode {
private:
KeyCode(int value);
public:
int getValue();
};
#endif

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src/LayoutVersion.h Normal file
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@ -0,0 +1,8 @@
#ifndef LIBRARY_LAYOUTVERSION_H
#define LIBRARY_LAYOUTVERSION_H
enum LayoutVersion {
V1 = 1;
};
#endif

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src/internal.h Normal file
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@ -0,0 +1,37 @@
#ifndef LIBRARY_INTERNAL_H
#define LIBRARY_INTERNAL_H
#include "EventType.h"
#include "KeyCode.h"
#include "LayoutVersion.h"
//TODO: documentation
void setLayoutVersion(LayoutVersion newValue);
void setTriggerReset(int newValue);
void setCharactersPerLine(int newValue);
void setCharactersPerRow(int newValue);
/**
* call a specific event.
* @param type
* @return true if there is a handler registere
*/
bool callEvent(EventType type);
void setMousePosition(int x, int y);
void buttonPressed(KeyCode keyCode);
// Shared Memory Layout
// --------------------------------------------------------------------
// struct ControlRegisters
// char reserved[1024]
// Interrupt Vector Table [64]
// text area [max_textMode_width * max_textMode_height]
// pixel area [max_height_pixels * max_height_pixels * sizeof(uint_32)]
#endif

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src/notes.txt Normal file
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//enum config file defaults {
const int max_width_pixels = 800;
const int max_height_pixels = 600;
const int max_textMode_width = 800;
const int max_textMode_height = 600;
//};
struct interruptVector {
int pid;
int signal;
};

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@ -1,74 +1,201 @@
#ifndef LIBRARY_VKVM_H
#define LIBRARY_VKVM_H
typedef int type_todo;
#include <string>
#include <functional>
#include "Color.h"
#include "EventType.h"
#include "GraphicMode.h"
#include "Font.h"
#include "KeyCode.h"
#include "LayoutVersion.h"
private struct interruptVector {
int pid;
int signal;
};
/**
* @since 0.1.0
* @author Johannes Theiner
*/
//enum config file defaults {
const int max_width_pixels = 800;
const int max_height_pixels = 600;
const int max_textMode_width;
const int max_textMode_height;
// TODO: add ControlRegisters members here
//TODO: add get/set methods
//};
//TODO: better documentation
/**
* initialize the connection with the shared-memory application
* @param pid pip of shared-memory application
*/
void initialize(int pid);
enum GraphicMode {
Text,
BlackWhite,
Gray_256,
TrueColor;
};
/**
* set pixel at a x,y position to a certain color.
* @param x x coordinate of pixel
* @param y y coordinate of pixel
* @param color color of pixel
* @return true if operation succeeded, false if it failed.
*/
bool setPixel(int x, int y, Color color);
private struct controlRegisters {
int layout_version
int trigger_reset;
int width_pixels;
int height_pixels;
GraphicMode graphicMode;
int autoRedrawInterval;
int timerInterruptInterval;
type_todo bw_background_color;
type_todo bw_foreground_color;
int textMode_width;
int textMode_height;
int textMode_font;
int textMode_font_width;
int textMode_font_height;
int mouse_pos_x;
int mouse_pos_y;
char keyboardBuffer[16];
int keyboardBuffer_index_w;
int keyboardBuffer_index_r;
};
/**
* get color of pixel at x,y position
* @param x x coordinate of pixel
* @param y y coordinate of pixel
* @return color of pixel
*/
Color getPixel(int x, int y);
//TODO: add init
//TODO: add methods for a event handling approach
//TODO: add methods for a pooling approach
/**
* register handler for event.
* @param type type of event.
* @param handler function to call.
* @return true if handler could be registered, false if it failed.
*/
bool registerEvent(EventType type, std::function<void()> handler);
// interrupts
/*
1 timer
2 mouse move
 mouse button
 key down
 key up
 reread ControlRegisters
 redraw GUI // opposite direction (i.e. client to GUI)!
 render Text // text mode client -> text rendering process -> redraw GUI
 */
/**
* set displayed text in Text mode
* @param text text to display
* @return if text could be set, false if it could not be set.
*/
bool setText(std::string text);
// Shared Memory Layout
// --------------------------------------------------------------------
// struct ControlRegisters
// char reserved[1024]
// Interrupt Vector Table [64]
// text area [max_textMode_width * max_textMode_height]
// pixel area [max_height_pixels * max_height_pixels * sizeof(uint_32)]
/**
* get currently saved/displayed text.
*/
std::string getText();
//Control registers start here
//all modes
/**
* get version of the used layout
* @return layout version
*/
LayoutVersion getLayoutVersion();
/**
* reset all values to default.
*/
void reset();
/**
* get width of window.
* @return width of window.
*/
int getWidth();
/**
* set width of window.
* @param newValue new width for window.
*/
void setWidth(int newValue);
/**
* get height for window.
* @return height of window.
*/
int getHeight();
/**
* set height of window.
* @param newValue new height for window.
*/
void setHeight(int newValue);
/**
* get graphics display mode.
* @return GraphicMode.
*/
GraphicMode getMode();
/**
* set new graphics display mode.
* @param newValue new graphics display mode.
*/
void setMode(GraphicMode newValue);
/**
* get interval between redraws in milliseconds.
*/
int getRedrawInterval();
/**
* set interval between redraws.
* @param newValue new interval in milliseconds.
*/
void setRedrawInterval(int newValue);
/**
* get time between timer interrupts.
* @return time between interrupts in milliseconds.
*/
int getTimerInterruptInterval();
/**
* set time between timer interrupts.
* @param newValue new time between interrupts in milliseconds.
*/
void setTimerInterruptInterval(int newValue);
//black/white mode
/**
* get background color in two color mode.
* @return background color.
*/
Color getBackgroundColor();
/**
* set background color in two color mode.
* @param newValue new background color.
*/
void setBackgroundColor(Color newValue);
/**
* get foreground color in two color mode.
* @return foreground color.
*/
Color getForegroundColor();
/**
* set foreground color in two color mode.
* @param newValue new foreground color.
*/
void setForegroundColor(Color newValue);
//text mode
/**
* get characters per line in text mode.
* @return characters per line.
*/
int getCharactersPerLine();
/**
* get characters per row in text mode.
* @return characters per row.
*/
int getCharactersPerRow();
/**
* get currently used font in text mode.
* @return currently used font.
*/
Font getFont();
/**
* set text mode font.
* @param newValue new text mode font.
*/
void setFont(Font newValue);
/**
* get current mouse position
* @return mouse position as x,y pair
*/
std::pair<int, int> getMousePosition();
/**
* get key code of last key press.
* @return KeyCode of last key press.
*/
KeyCode getLastPressedKey();
#endif