aboutsummaryrefslogtreecommitdiff
path: root/widgets/aerc.go
blob: 3cf1f647ba15bfecc9616bf25a6f71d186736083 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
package widgets

import (
	"errors"
	"log"
	"net/url"
	"strings"
	"time"

	"github.com/gdamore/tcell"
	"github.com/google/shlex"

	"git.sr.ht/~sircmpwn/aerc/config"
	"git.sr.ht/~sircmpwn/aerc/lib/ui"
	libui "git.sr.ht/~sircmpwn/aerc/lib/ui"
)

type Aerc struct {
	accounts    map[string]*AccountView
	cmd         func(cmd []string) error
	complete    func(cmd string) []string
	conf        *config.AercConfig
	focused     libui.Interactive
	grid        *libui.Grid
	logger      *log.Logger
	simulating  int
	statusbar   *libui.Stack
	statusline  *StatusLine
	pendingKeys []config.KeyStroke
	tabs        *libui.Tabs
}

func NewAerc(conf *config.AercConfig, logger *log.Logger,
	cmd func(cmd []string) error, complete func(cmd string) []string) *Aerc {

	tabs := libui.NewTabs()

	statusbar := ui.NewStack()
	statusline := NewStatusLine()
	statusbar.Push(statusline)

	grid := libui.NewGrid().Rows([]libui.GridSpec{
		{libui.SIZE_EXACT, 1},
		{libui.SIZE_WEIGHT, 1},
		{libui.SIZE_EXACT, 1},
	}).Columns([]libui.GridSpec{
		{libui.SIZE_WEIGHT, 1},
	})
	grid.AddChild(tabs.TabStrip)
	grid.AddChild(tabs.TabContent).At(1, 0)
	grid.AddChild(statusbar).At(2, 0)

	aerc := &Aerc{
		accounts:   make(map[string]*AccountView),
		conf:       conf,
		cmd:        cmd,
		complete:   complete,
		grid:       grid,
		logger:     logger,
		statusbar:  statusbar,
		statusline: statusline,
		tabs:       tabs,
	}

	statusline.SetAerc(aerc)
	conf.Triggers.ExecuteCommand = cmd

	for i, acct := range conf.Accounts {
		view := NewAccountView(conf, &conf.Accounts[i], logger, aerc)
		aerc.accounts[acct.Name] = view
		tabs.Add(view, acct.Name)
	}

	if len(conf.Accounts) == 0 {
		wizard := NewAccountWizard(aerc.Config(), aerc)
		wizard.Focus(true)
		aerc.NewTab(wizard, "New account")
	}

	return aerc
}

func (aerc *Aerc) Tick() bool {
	more := false
	for _, acct := range aerc.accounts {
		more = acct.Tick() || more
	}
	return more
}

func (aerc *Aerc) Children() []ui.Drawable {
	return aerc.grid.Children()
}

func (aerc *Aerc) OnInvalidate(onInvalidate func(d libui.Drawable)) {
	aerc.grid.OnInvalidate(func(_ libui.Drawable) {
		onInvalidate(aerc)
	})
}

func (aerc *Aerc) Invalidate() {
	aerc.grid.Invalidate()
}

func (aerc *Aerc) Focus(focus bool) {
	// who cares
}

func (aerc *Aerc) Draw(ctx *libui.Context) {
	aerc.grid.Draw(ctx)
}

func (aerc *Aerc) getBindings() *config.KeyBindings {
	switch view := aerc.SelectedTab().(type) {
	case *AccountView:
		return aerc.conf.Bindings.MessageList
	case *AccountWizard:
		return aerc.conf.Bindings.AccountWizard
	case *Composer:
		switch view.Bindings() {
		case "compose::editor":
			return aerc.conf.Bindings.ComposeEditor
		case "compose::review":
			return aerc.conf.Bindings.ComposeReview
		default:
			return aerc.conf.Bindings.Compose
		}
	case *MessageViewer:
		return aerc.conf.Bindings.MessageView
	case *Terminal:
		return aerc.conf.Bindings.Terminal
	default:
		return aerc.conf.Bindings.Global
	}
}

func (aerc *Aerc) simulate(strokes []config.KeyStroke) {
	aerc.pendingKeys = []config.KeyStroke{}
	aerc.simulating += 1
	for _, stroke := range strokes {
		simulated := tcell.NewEventKey(
			stroke.Key, stroke.Rune, tcell.ModNone)
		aerc.Event(simulated)
	}
	aerc.simulating -= 1
}

func (aerc *Aerc) Event(event tcell.Event) bool {
	if aerc.focused != nil {
		return aerc.focused.Event(event)
	}

	switch event := event.(type) {
	case *tcell.EventKey:
		aerc.statusline.Expire()
		aerc.pendingKeys = append(aerc.pendingKeys, config.KeyStroke{
			Key:  event.Key(),
			Rune: event.Rune(),
		})
		aerc.statusline.Invalidate()
		bindings := aerc.getBindings()
		incomplete := false
		result, strokes := bindings.GetBinding(aerc.pendingKeys)
		switch result {
		case config.BINDING_FOUND:
			aerc.simulate(strokes)
			return true
		case config.BINDING_INCOMPLETE:
			incomplete = true
		case config.BINDING_NOT_FOUND:
		}
		if bindings.Globals {
			result, strokes = aerc.conf.Bindings.Global.
				GetBinding(aerc.pendingKeys)
			switch result {
			case config.BINDING_FOUND:
				aerc.simulate(strokes)
				return true
			case config.BINDING_INCOMPLETE:
				incomplete = true
			case config.BINDING_NOT_FOUND:
			}
		}
		if !incomplete {
			aerc.pendingKeys = []config.KeyStroke{}
			exKey := bindings.ExKey
			if aerc.simulating > 0 {
				// Keybindings still use : even if you change the ex key
				exKey = aerc.conf.Bindings.Global.ExKey
			}
			if event.Key() == exKey.Key && event.Rune() == exKey.Rune {
				aerc.BeginExCommand()
				return true
			}
			interactive, ok := aerc.tabs.Tabs[aerc.tabs.Selected].Content.(ui.Interactive)
			if ok {
				return interactive.Event(event)
			}
			return false
		}
	case *tcell.EventMouse:
		aerc.tabs.MouseEvent(event)
	}
	return false
}

func (aerc *Aerc) Config() *config.AercConfig {
	return aerc.conf
}

func (aerc *Aerc) Logger() *log.Logger {
	return aerc.logger
}

func (aerc *Aerc) SelectedAccount() *AccountView {
	acct, ok := aerc.accounts[aerc.tabs.Tabs[aerc.tabs.Selected].Name]
	if !ok {
		return nil
	}
	return acct
}

func (aerc *Aerc) SelectedTab() ui.Drawable {
	return aerc.tabs.Tabs[aerc.tabs.Selected].Content
}

func (aerc *Aerc) NewTab(drawable ui.Drawable, name string) *ui.Tab {
	tab := aerc.tabs.Add(drawable, name)
	aerc.tabs.Select(len(aerc.tabs.Tabs) - 1)
	return tab
}

func (aerc *Aerc) RemoveTab(tab ui.Drawable) {
	aerc.tabs.Remove(tab)
}

func (aerc *Aerc) ReplaceTab(tabSrc ui.Drawable, tabTarget ui.Drawable, name string) {
	aerc.tabs.Replace(tabSrc, tabTarget, name)
}

func (aerc *Aerc) NextTab() {
	next := aerc.tabs.Selected + 1
	if next >= len(aerc.tabs.Tabs) {
		next = 0
	}
	aerc.tabs.Select(next)
}

func (aerc *Aerc) PrevTab() {
	next := aerc.tabs.Selected - 1
	if next < 0 {
		next = len(aerc.tabs.Tabs) - 1
	}
	aerc.tabs.Select(next)
}

func (aerc *Aerc) SelectTab(name string) bool {
	for i, tab := range aerc.tabs.Tabs {
		if tab.Name == name {
			aerc.tabs.Select(i)
			return true
		}
	}
	return false
}

func (aerc *Aerc) TabNames() []string {
	var names []string
	for _, tab := range aerc.tabs.Tabs {
		names = append(names, tab.Name)
	}
	return names
}

func (aerc *Aerc) SelectPreviousTab() bool {
	return aerc.tabs.SelectPrevious()
}

// TODO: Use per-account status lines, but a global ex line
func (aerc *Aerc) SetStatus(status string) *StatusMessage {
	return aerc.statusline.Set(status)
}

func (aerc *Aerc) PushStatus(text string, expiry time.Duration) *StatusMessage {
	return aerc.statusline.Push(text, expiry)
}

func (aerc *Aerc) PushError(text string) {
	aerc.PushStatus(text, 10*time.Second).Color(tcell.ColorDefault, tcell.ColorRed)
}

func (aerc *Aerc) focus(item libui.Interactive) {
	if aerc.focused == item {
		return
	}
	if aerc.focused != nil {
		aerc.focused.Focus(false)
	}
	aerc.focused = item
	interactive, ok := aerc.tabs.Tabs[aerc.tabs.Selected].Content.(ui.Interactive)
	if item != nil {
		item.Focus(true)
		if ok {
			interactive.Focus(false)
		}
	} else {
		if ok {
			interactive.Focus(true)
		}
	}
}

func (aerc *Aerc) BeginExCommand() {
	previous := aerc.focused
	exline := NewExLine(func(cmd string) {
		parts, err := shlex.Split(cmd)
		if err != nil {
			aerc.PushStatus(" "+err.Error(), 10*time.Second).
				Color(tcell.ColorDefault, tcell.ColorRed)
		}
		err = aerc.cmd(parts)
		if err != nil {
			aerc.PushStatus(" "+err.Error(), 10*time.Second).
				Color(tcell.ColorDefault, tcell.ColorRed)
		}
		aerc.statusbar.Pop()
		aerc.focus(previous)
	}, func() {
		aerc.statusbar.Pop()
		aerc.focus(previous)
	}, func(cmd string) []string {
		return aerc.complete(cmd)
	})
	aerc.statusbar.Push(exline)
	aerc.focus(exline)
}

func (aerc *Aerc) Mailto(addr *url.URL) error {
	acct := aerc.SelectedAccount()
	if acct == nil {
		return errors.New("No account selected")
	}
	defaults := make(map[string]string)
	defaults["To"] = addr.Opaque
	headerMap := map[string]string{
		"cc":          "Cc",
		"in-reply-to": "In-Reply-To",
		"subject":     "Subject",
	}
	for key, vals := range addr.Query() {
		if header, ok := headerMap[strings.ToLower(key)]; ok {
			defaults[header] = strings.Join(vals, ",")
		}
	}
	composer := NewComposer(aerc.Config(),
		acct.AccountConfig(), acct.Worker()).Defaults(defaults)
	composer.FocusSubject()
	title := "New email"
	if subj, ok := defaults["Subject"]; ok {
		title = subj
		composer.FocusTerminal()
	}
	tab := aerc.NewTab(composer, title)
	composer.OnSubjectChange(func(subject string) {
		if subject == "" {
			tab.Name = "New email"
		} else {
			tab.Name = subject
		}
		tab.Content.Invalidate()
	})
	return nil
}