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Copy pathos_unix.go
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100 lines (86 loc) · 3.14 KB
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// SPDX-License-Identifier: Unlicense OR MIT
//go:build (linux && !android) || freebsd || openbsd
// +build linux,!android freebsd openbsd
package app
import (
"errors"
"unsafe"
"gioui.org/io/pointer"
)
// ViewEvent provides handles to the underlying window objects for the
// current display protocol.
type ViewEvent interface {
implementsViewEvent()
ImplementsEvent()
}
type X11ViewEvent struct {
// Display is a pointer to the X11 Display created by XOpenDisplay.
Display unsafe.Pointer
// Window is the X11 window ID as returned by XCreateWindow.
Window uintptr
}
func (X11ViewEvent) implementsViewEvent() {}
func (X11ViewEvent) ImplementsEvent() {}
type WaylandViewEvent struct {
// Display is the *wl_display returned by wl_display_connect.
Display unsafe.Pointer
// Surface is the *wl_surface returned by wl_compositor_create_surface.
Surface unsafe.Pointer
}
func (WaylandViewEvent) implementsViewEvent() {}
func (WaylandViewEvent) ImplementsEvent() {}
func osMain() {
select {}
}
type windowDriver func(*callbacks, []Option) error
// Instead of creating files with build tags for each combination of wayland +/- x11
// let each driver initialize these variables with their own version of createWindow.
var wlDriver, x11Driver windowDriver
func newWindow(window *callbacks, options []Option) error {
var errFirst error
for _, d := range []windowDriver{wlDriver, x11Driver} {
if d == nil {
continue
}
err := d(window, options)
if err == nil {
return nil
}
if errFirst == nil {
errFirst = err
}
}
if errFirst != nil {
return errFirst
}
return errors.New("app: no window driver available")
}
// xCursor contains mapping from pointer.Cursor to XCursor.
var xCursor = [...]string{
pointer.CursorDefault: "left_ptr",
pointer.CursorNone: "",
pointer.CursorText: "xterm",
pointer.CursorVerticalText: "vertical-text",
pointer.CursorPointer: "hand2",
pointer.CursorCrosshair: "crosshair",
pointer.CursorAllScroll: "fleur",
pointer.CursorColResize: "sb_h_double_arrow",
pointer.CursorRowResize: "sb_v_double_arrow",
pointer.CursorGrab: "hand1",
pointer.CursorGrabbing: "move",
pointer.CursorNotAllowed: "crossed_circle",
pointer.CursorWait: "watch",
pointer.CursorProgress: "left_ptr_watch",
pointer.CursorNorthWestResize: "top_left_corner",
pointer.CursorNorthEastResize: "top_right_corner",
pointer.CursorSouthWestResize: "bottom_left_corner",
pointer.CursorSouthEastResize: "bottom_right_corner",
pointer.CursorNorthSouthResize: "sb_v_double_arrow",
pointer.CursorEastWestResize: "sb_h_double_arrow",
pointer.CursorWestResize: "left_side",
pointer.CursorEastResize: "right_side",
pointer.CursorNorthResize: "top_side",
pointer.CursorSouthResize: "bottom_side",
pointer.CursorNorthEastSouthWestResize: "fd_double_arrow",
pointer.CursorNorthWestSouthEastResize: "bd_double_arrow",
}