isolate OS-specifics to separate files

This commit is contained in:
Emil Lerch 2021-11-09 10:44:33 -08:00
parent 12c604272d
commit e0e2374c51
Signed by: lobo
GPG Key ID: A7B62D657EF764F8
3 changed files with 109 additions and 94 deletions

97
src/linux.zig Normal file
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@ -0,0 +1,97 @@
const std = @import("std");
const c = @cImport({
@cInclude("limits.h");
@cInclude("X11/Xlib.h");
@cInclude("X11/extensions/Xfixes.h");
});
fn printSelection(display: *c.Display, window: c.Window, bufname: [*c]const u8, fmtname: [*c]const u8, writer: anytype) !bool {
var ressize: c_ulong = undefined;
var restail: c_ulong = undefined;
var resbits: c_int = undefined;
var bufid = c.XInternAtom(display, bufname, c.False);
var fmtid = c.XInternAtom(display, fmtname, c.False);
var propid = c.XInternAtom(display, "XSEL_DATA", c.False);
var incrid = c.XInternAtom(display, "INCR", c.False);
var event: c.XEvent = undefined;
_ = c.XSelectInput(display, window, c.PropertyChangeMask);
_ = c.XConvertSelection(display, bufid, fmtid, propid, window, c.CurrentTime);
_ = c.XNextEvent(display, &event);
while (event.type != c.SelectionNotify or event.xselection.selection != bufid)
_ = c.XNextEvent(display, &event);
if (event.xselection.property > 0) {
var result: [*c]u8 = undefined;
_ = c.XGetWindowProperty(display, window, propid, 0, c.LONG_MAX / 4, c.True, c.AnyPropertyType, &fmtid, &resbits, &ressize, &restail, &result);
defer _ = c.XFree(result);
if (fmtid != incrid)
try writer.print("{s}", .{result});
if (fmtid == incrid) {
ressize = 1;
while (ressize > 0) {
_ = c.XNextEvent(display, &event);
while (event.type != c.PropertyNotify or event.xproperty.atom != propid or event.xproperty.state != c.PropertyNewValue) {
_ = c.XNextEvent(display, &event);
}
_ = c.XGetWindowProperty(display, window, propid, 0, c.LONG_MAX / 4, c.True, c.AnyPropertyType, &fmtid, &resbits, &ressize, &restail, &result);
defer _ = c.XFree(result);
try writer.print("{s}", .{result});
}
}
return true;
} else // request failed, e.g. owner can't convert to the target format
return false;
}
fn watch(display: *c.Display, window: c.Window, bufname: [*c]const u8, writer: anytype) !void {
var event_base: c_int = undefined;
var error_base: c_int = undefined;
var event: c.XEvent = undefined;
var bufid = c.XInternAtom(display, bufname, c.False);
_ = c.XFixesQueryExtension(display, &event_base, &error_base);
_ = c.XFixesSelectSelectionInput(display, c.XDefaultRootWindow(display), bufid, c.XFixesSetSelectionOwnerNotifyMask);
while (true) {
_ = c.XNextEvent(display, &event);
// _ = try writer.print("{d} == {d} + {d}. {d} == {d}", .{ event.type, event_base, c.XFixesSelectionNotify, event.xselection.selection, bufid });
// _ = std.debug.print("{}", .{event.xselection});
if (event.type == event_base + c.XFixesSelectionNotify and
event.xselection.property == bufid)
{
_ = try writer.print("y", .{});
if (!try printSelection(display, window, bufname, "UTF8_STRING", writer))
_ = try printSelection(display, window, bufname, "STRING", writer);
}
}
}
pub fn clipboardAction() !void {
const stdout = std.io.getStdOut().writer();
var display: *c.Display = c.XOpenDisplay(null).?;
defer _ = c.XCloseDisplay(display);
const default_screen = c.XDefaultScreen(display);
var color = c.XBlackPixel(display, default_screen);
var window = c.XCreateSimpleWindow(display, c.XDefaultRootWindow(display), 0, 0, 1, 1, 0, color, color);
defer _ = c.XDestroyWindow(display, window);
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
defer _ = gpa.deinit();
const allocator = &gpa.allocator;
var args = std.process.args();
defer args.deinit();
while (args.next(allocator)) |arg_or_err| {
const arg = try arg_or_err;
defer allocator.free(arg);
if (std.mem.eql(u8, arg, "-w")) {
try watch(display, window, "CLIPBOARD", stdout);
}
}
var result = (try printSelection(display, window, "CLIPBOARD", "UTF8_STRING", stdout)) or
(try printSelection(display, window, "CLIPBOARD", "STRING", stdout));
if (!result) return error.ClipboardActionFailed;
}

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@ -1,99 +1,11 @@
const std = @import("std");
const c = @cImport({
@cInclude("limits.h");
@cInclude("X11/Xlib.h");
@cInclude("X11/extensions/Xfixes.h");
});
fn printSelection(display: *c.Display, window: c.Window, bufname: [*c]const u8, fmtname: [*c]const u8, writer: anytype) !bool {
var ressize: c_ulong = undefined;
var restail: c_ulong = undefined;
var resbits: c_int = undefined;
var bufid = c.XInternAtom(display, bufname, c.False);
var fmtid = c.XInternAtom(display, fmtname, c.False);
var propid = c.XInternAtom(display, "XSEL_DATA", c.False);
var incrid = c.XInternAtom(display, "INCR", c.False);
var event: c.XEvent = undefined;
_ = c.XSelectInput(display, window, c.PropertyChangeMask);
_ = c.XConvertSelection(display, bufid, fmtid, propid, window, c.CurrentTime);
_ = c.XNextEvent(display, &event);
while (event.type != c.SelectionNotify or event.xselection.selection != bufid)
_ = c.XNextEvent(display, &event);
if (event.xselection.property > 0) {
var result: [*c]u8 = undefined;
_ = c.XGetWindowProperty(display, window, propid, 0, c.LONG_MAX / 4, c.True, c.AnyPropertyType, &fmtid, &resbits, &ressize, &restail, &result);
defer _ = c.XFree(result);
if (fmtid != incrid)
try writer.print("{s}", .{result});
if (fmtid == incrid) {
ressize = 1;
while (ressize > 0) {
_ = c.XNextEvent(display, &event);
while (event.type != c.PropertyNotify or event.xproperty.atom != propid or event.xproperty.state != c.PropertyNewValue) {
_ = c.XNextEvent(display, &event);
}
_ = c.XGetWindowProperty(display, window, propid, 0, c.LONG_MAX / 4, c.True, c.AnyPropertyType, &fmtid, &resbits, &ressize, &restail, &result);
defer _ = c.XFree(result);
try writer.print("{s}", .{result});
}
}
return true;
} else // request failed, e.g. owner can't convert to the target format
return false;
}
fn watch(display: *c.Display, window: c.Window, bufname: [*c]const u8, writer: anytype) !void {
var event_base: c_int = undefined;
var error_base: c_int = undefined;
var event: c.XEvent = undefined;
var bufid = c.XInternAtom(display, bufname, c.False);
_ = c.XFixesQueryExtension(display, &event_base, &error_base);
_ = c.XFixesSelectSelectionInput(display, c.XDefaultRootWindow(display), bufid, c.XFixesSetSelectionOwnerNotifyMask);
while (true) {
_ = c.XNextEvent(display, &event);
// _ = try writer.print("{d} == {d} + {d}. {d} == {d}", .{ event.type, event_base, c.XFixesSelectionNotify, event.xselection.selection, bufid });
// _ = std.debug.print("{}", .{event.xselection});
if (event.type == event_base + c.XFixesSelectionNotify and
event.xselection.property == bufid)
{
_ = try writer.print("y", .{});
if (!try printSelection(display, window, bufname, "UTF8_STRING", writer))
_ = try printSelection(display, window, bufname, "STRING", writer);
}
}
}
pub fn main() !u8 {
const stdout = std.io.getStdOut().writer();
var display: *c.Display = c.XOpenDisplay(null).?;
defer _ = c.XCloseDisplay(display);
const default_screen = c.XDefaultScreen(display);
var color = c.XBlackPixel(display, default_screen);
var window = c.XCreateSimpleWindow(display, c.XDefaultRootWindow(display), 0, 0, 1, 1, 0, color, color);
defer _ = c.XDestroyWindow(display, window);
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
defer _ = gpa.deinit();
const allocator = &gpa.allocator;
var args = std.process.args();
defer args.deinit();
while (args.next(allocator)) |arg_or_err| {
const arg = try arg_or_err;
defer allocator.free(arg);
if (std.mem.eql(u8, arg, "-w")) {
try watch(display, window, "CLIPBOARD", stdout);
}
if (std.builtin.os.tag == .linux) {
@import("linux.zig").clipboardAction() catch return 1;
}
var result = (try printSelection(display, window, "CLIPBOARD", "UTF8_STRING", stdout)) or
(try printSelection(display, window, "CLIPBOARD", "STRING", stdout));
if (result)
return 0;
return 1;
if (std.builtin.os.tag == .windows) {
@import("windows.zig").clipboardAction() catch return 1;
}
return 0;
}

6
src/windows.zig Normal file
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@ -0,0 +1,6 @@
const std = @import("std");
pub fn clipboardAction() !void {
const stdout = std.io.getStdOut().writer();
try stdout.print("All your codebase are belong to us", .{});
}