109 lines
2.4 KiB
Go
109 lines
2.4 KiB
Go
package main
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import (
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"image"
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"github.com/BurntSushi/xgb/xproto"
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"github.com/BurntSushi/xgbutil/ewmh"
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"github.com/BurntSushi/xgbutil/xgraphics"
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"github.com/BurntSushi/xgbutil/xwindow"
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"golang.org/x/image/font"
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)
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// Popup is a struct with information about the popup.
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type Popup struct {
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// The popup window and image.
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win *xwindow.Window
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img *xgraphics.Image
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// The width and height of the popup.
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w, h int
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// The foreground and background colors in hex.
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bg, fg string
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// Text drawer.
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drawer *font.Drawer
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}
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func initPopup(x, y, w, h int, bg, fg string) (*Popup, error) {
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popup := new(Popup)
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var err error
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// Create a window for the bar. This window listens to button press events
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// in order to respond to them.
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popup.win, err = xwindow.Generate(X)
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if err != nil {
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return nil, err
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}
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popup.win.Create(X.RootWin(), x, y, w, h, xproto.CwBackPixel|xproto.
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CwEventMask, 0x000000, xproto.EventMaskButtonPress)
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// EWMH stuff.
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// TODO: `WmStateSet` and `WmDesktopSet` are basically here to keep OpenBox
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// happy, can I somehow remove them and just use `_NET_WM_WINDOW_TYPE_DOCK`
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// like I can with WindowChef?
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if err := ewmh.WmWindowTypeSet(X, popup.win.Id, []string{
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"_NET_WM_WINDOW_TYPE_DOCK"}); err != nil {
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return nil, err
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}
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if err := ewmh.WmStateSet(X, popup.win.Id, []string{
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"_NET_WM_STATE_STICKY"}); err != nil {
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return nil, err
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}
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if err := ewmh.WmDesktopSet(X, popup.win.Id, ^uint(0)); err != nil {
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return nil, err
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}
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if err := ewmh.WmNameSet(X, popup.win.Id, "melonbar"); err != nil {
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return nil, err
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}
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// Map window.
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popup.win.Map()
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// TODO: Moving the window is again a hack to keep OpenBox happy.
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popup.win.Move(x, y)
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// Create the bar image.
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popup.img = xgraphics.New(X, image.Rect(0, 0, w, h))
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if err := popup.img.XSurfaceSet(popup.win.Id); err != nil {
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panic(err)
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}
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popup.img.XDraw()
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popup.w = w
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popup.h = h
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popup.bg = bg
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popup.fg = fg
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popup.drawer = &font.Drawer{
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Dst: popup.img,
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Face: face,
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}
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// Color the background.
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popup.img.For(func(cx, cy int) xgraphics.BGRA {
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return hexToBGRA(popup.bg)
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})
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// Draw the popup.
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popup.draw()
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return popup, nil
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}
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func (popup *Popup) draw() {
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popup.img.XDraw()
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popup.img.XPaint(popup.win.Id)
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}
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// TODO: I don't know if this actually frees memory and shit.
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func (popup *Popup) destroy() *Popup {
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popup.win.Destroy()
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popup.img.Destroy()
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popup = nil
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return popup
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}
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