add: mouse get and set for linux

.editorconfig

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+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.v]
+indent_style = tab
+indent_size = 4

.gitattributes

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+* text=auto eol=lf
+*.bat eol=crlf
+
+**/*.v linguist-language=V
+**/*.vv linguist-language=V
+**/*.vsh linguist-language=V
+**/v.mod linguist-language=V

.gitignore

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+# Binaries for programs and plugins
+main
+mouse
+*.exe
+*.exe~
+*.so
+*.dylib
+*.dll
+
+# Ignore binary output folders
+bin/
+
+# Ignore common editor/system specific metadata
+.DS_Store
+.idea/
+.vscode/
+*.iml
+
+# ENV
+.env
+
+# vweb and database
+*.db
+*.js

src/c/mouse.h

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+// Position is a point on an X, Y axis used to
+// represent the location of the mouse pointer.
+struct Position {
+	int x, y;
+};

src/c/mouse_linux.c

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+// See .h for comments.
+#include "mouse_linux.h"
+
+struct Position get_mouse_pos() {
+	struct Position pos = {-1, -1};
+
+	Display *dpy;
+	Window root_window;
+	int root_id = 0,
+		child_id = 0,
+		win_x = 0,
+		win_y = 0,
+		mask = 0;
+	dpy = XOpenDisplay(0);
+	root_window = XRootWindow(dpy, 0);
+	XQueryPointer(dpy, root_window, &root_id, &child_id, &pos.x, &pos.y, &win_x, &win_y, &mask);
+
+	return pos;
+}
+
+void set_mouse_pos(int x, int y) {
+	Display *dpy;
+	Window root_window;
+
+	dpy = XOpenDisplay(0);
+	root_window = XRootWindow(dpy, 0);
+	XSelectInput(dpy, root_window, KeyReleaseMask);
+	XWarpPointer(dpy, None, root_window, 0, 0, 0, 0, x, y);
+	XFlush(dpy);
+}

src/c/mouse_linux.h

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+#include <stdio.h>
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include "mouse.h"
+
+// get_mouse_pos gets the mouse position and returns it.
+struct Position get_mouse_pos();
+// set_mouse_pos moves the position of the mouse to X, Y.
+void set_mouse_pos(int x, int y);

src/c/mouse_windows.c

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+// See .h for comments.
+#include "mouse_windows.h"
+
+struct Position get_mouse_pos() {
+	struct Position pos = {-1, -1};
+
+
+
+	return pos;
+}
+
+void set_mouse_pos(int x, int y) {
+	// int nX = x * 65535 / GetSystemMetrics(SM_CXSCREEN);
+	// int nY = y * 65535 / GetSystemMetrics(SM_CYSCREEN);
+	// mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, nX, nY, 0, 0);
+}

src/c/mouse_windows.h

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+#include <windows.h>
+#include "mouse.h"
+
+// get_mouse_pos gets the mouse position and returns it.
+struct Position get_mouse_pos();
+// set_mouse_pos moves the position of the mouse to X, Y.
+void set_mouse_pos(int x, int y);

src/main.v

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+module main
+
+#flag -I @VMODROOT/src/c
+#flag linux -lX11
+#flag linux @VMODROOT/src/c/mouse_linux.o
+#flag windows @VMODROOT/src/c/mouse_windows.o
+
+$if linux {
+	#include "mouse_linux.h"
+} $else $if windows {
+	#include "mouse_windows.h"
+} $else $if macos {
+
+}
+
+// See .c files for comments.
+struct C.Position {
+	x int
+	y int
+}
+
+fn C.get_mouse_pos() C.Position
+fn C.set_mouse_pos(int, int)
+
+[inline]
+pub fn get() (int, int) {
+	pos := C.get_mouse_pos()
+	return pos.x, pos.y
+}
+
+[inline]
+pub fn get_opt() ?(int, int) {
+	x, y := get()
+	if -1 in [x, y] {
+		return none
+	}
+	return x, y
+}
+
+[inline]
+pub fn set(x int, y int) {
+	C.set_mouse_pos(x, y)
+}
+
+fn main() {
+	println(get())
+}

v.mod

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+Module {
+	name: 'mouse'
+	description: 'Set and get mouse position.'
+	version: '0.1'
+	license: 'MIT'
+	dependencies: []
+}