mirror of
https://github.com/makew0rld/amfora.git
synced 2024-09-25 22:55:55 -04:00
🚧 Everything uses tab struct, no compile errors, untested
This commit is contained in:
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commit
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@ -13,6 +13,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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### Changed
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### Changed
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- Pages are rewrapped dynamically, whenever the terminal size changes (#33)
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- Pages are rewrapped dynamically, whenever the terminal size changes (#33)
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### Fixed
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- Many potential loading race conditions eliminated
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## [1.2.0] - 2020-07-02
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## [1.2.0] - 2020-07-02
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### Added
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### Added
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- Alt-Left and Alt-Right for history navigation (#23)
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- Alt-Left and Alt-Right for history navigation (#23)
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5
NOTES.md
5
NOTES.md
@ -1,9 +1,6 @@
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# Notes
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# Notes
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- Simplify into one struct
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- URL for each tab should not be stored as a string - in the current code there's lots of reparsing the URL
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- All the maps and stuff could be replaced with a `tab` struct
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- And then just one single map of tab number to `tab`
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- URL for each tab should not be stored as a string - in the current code there's lots of reparsing the URL
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## Upstream Bugs
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## Upstream Bugs
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- Wrapping messes up on brackets
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- Wrapping messes up on brackets
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@ -113,27 +113,27 @@ func Bookmarks() {
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Width: termW,
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Width: termW,
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Mediatype: structs.TextGemini,
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Mediatype: structs.TextGemini,
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}
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}
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setPage(&page)
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setPage(curTab, &page)
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}
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}
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// addBookmark goes through the process of adding a bookmark for the current page.
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// addBookmark goes through the process of adding a bookmark for the current page.
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// It is the high-level way of doing it. It should be called in a goroutine.
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// It is the high-level way of doing it. It should be called in a goroutine.
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// It can also be called to edit an existing bookmark.
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// It can also be called to edit an existing bookmark.
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func addBookmark() {
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func addBookmark() {
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if !strings.HasPrefix(tabMap[curTab].Url, "gemini://") {
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if !strings.HasPrefix(tabs[curTab].page.Url, "gemini://") {
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// Can't make bookmarks for other kinds of URLs
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// Can't make bookmarks for other kinds of URLs
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return
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return
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}
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}
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name, exists := bookmarks.Get(tabMap[curTab].Url)
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name, exists := bookmarks.Get(tabs[curTab].page.Url)
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// Open a bookmark modal with the current name of the bookmark, if it exists
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// Open a bookmark modal with the current name of the bookmark, if it exists
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newName, action := openBkmkModal(name, exists)
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newName, action := openBkmkModal(name, exists)
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switch action {
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switch action {
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case 1:
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case 1:
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// Add/change the bookmark
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// Add/change the bookmark
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bookmarks.Set(tabMap[curTab].Url, newName)
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bookmarks.Set(tabs[curTab].page.Url, newName)
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case -1:
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case -1:
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bookmarks.Remove(tabMap[curTab].Url)
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bookmarks.Remove(tabs[curTab].page.Url)
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}
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}
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// Other case is action = 0, meaning "Cancel", so nothing needs to happen
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// Other case is action = 0, meaning "Cancel", so nothing needs to happen
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}
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}
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@ -6,7 +6,6 @@ import (
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"path"
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"path"
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"strconv"
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"strconv"
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"strings"
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"strings"
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"sync"
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"github.com/gdamore/tcell"
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"github.com/gdamore/tcell"
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"github.com/makeworld-the-better-one/amfora/cache"
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"github.com/makeworld-the-better-one/amfora/cache"
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@ -16,19 +15,13 @@ import (
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"gitlab.com/tslocum/cview"
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"gitlab.com/tslocum/cview"
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)
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)
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var curTab = -1 // What number tab is currently visible, -1 means there are no tabs at all
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var tabs []*tab // Slice of all the current browser tabs
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var tabMap = make(map[int]*structs.Page) // Map of tab number to page
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var curTab = -1 // What tab is currently visible - index for the tabs slice (-1 means there are no tabs)
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// Holds the actual tab primitives
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var tabViews = make(map[int]*cview.TextView)
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// Terminal dimensions
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// Terminal dimensions
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var termW int
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var termW int
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var termH int
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var termH int
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// The link currently selected when in link selection mode
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// Set to "" when not in that mode
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var selectedLink string
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// The user input and URL display bar at the bottom
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// The user input and URL display bar at the bottom
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var bottomBar = cview.NewInputField().
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var bottomBar = cview.NewInputField().
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SetFieldBackgroundColor(tcell.ColorWhite).
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SetFieldBackgroundColor(tcell.ColorWhite).
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@ -74,8 +67,6 @@ var renderedNewTabContent string
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var newTabLinks []string
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var newTabLinks []string
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var newTabPage *structs.Page
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var newTabPage *structs.Page
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var reformatMuts = make(map[int]*sync.Mutex) // Mutex for each tab
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var App = cview.NewApplication().
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var App = cview.NewApplication().
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EnableMouse(false).
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EnableMouse(false).
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SetRoot(layout, true).
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SetRoot(layout, true).
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@ -86,10 +77,10 @@ var App = cview.NewApplication().
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// Make sure the current tab content is reformatted when the terminal size changes
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// Make sure the current tab content is reformatted when the terminal size changes
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go func(tab int) {
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go func(tab int) {
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reformatMuts[tab].Lock() // Only one reformat job per tab
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tabs[tab].reformatMut.Lock() // Only one reformat job per tab
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defer reformatMuts[tab].Unlock()
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defer tabs[tab].reformatMut.Unlock()
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// Use the current tab, but don't affect other tabs if the user switches tabs
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// Use the current tab, but don't affect other tabs if the user switches tabs
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reformatPageAndSetView(tab, tabMap[tab])
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reformatPageAndSetView(tab, tabs[tab].page)
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}(curTab)
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}(curTab)
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})
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})
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@ -109,6 +100,8 @@ func Init() {
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bottomBar.SetDoneFunc(func(key tcell.Key) {
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bottomBar.SetDoneFunc(func(key tcell.Key) {
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defer bottomBar.SetLabel("")
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defer bottomBar.SetLabel("")
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tab := curTab
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switch key {
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switch key {
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case tcell.KeyEnter:
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case tcell.KeyEnter:
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// Figure out whether it's a URL, link number, or search
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// Figure out whether it's a URL, link number, or search
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@ -118,21 +111,23 @@ func Init() {
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if strings.TrimSpace(query) == "" {
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if strings.TrimSpace(query) == "" {
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// Ignore
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// Ignore
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bottomBar.SetText(tabMap[curTab].Url)
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bottomBar.SetText(tabs[tab].page.Url)
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App.SetFocus(tabViews[curTab])
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tabs[tab].saveBottomBar() // Store new bottomBar text
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App.SetFocus(tabs[tab].view)
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return
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return
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}
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}
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if query == ".." && tabHasContent() {
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if query == ".." && tabs[tab].hasContent() {
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// Go up a directory
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// Go up a directory
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parsed, err := url.Parse(tabMap[curTab].Url)
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parsed, err := url.Parse(tabs[tab].page.Url)
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if err != nil {
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if err != nil {
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// This shouldn't occur
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// This shouldn't occur
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return
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return
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}
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}
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if parsed.Path == "/" {
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if parsed.Path == "/" {
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// Can't go up further
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// Can't go up further
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bottomBar.SetText(tabMap[curTab].Url)
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bottomBar.SetText(tabs[tab].page.Url)
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App.SetFocus(tabViews[curTab])
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tabs[tab].saveBottomBar()
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App.SetFocus(tabs[tab].view)
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return
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return
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}
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}
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@ -154,13 +149,13 @@ func Init() {
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if err != nil {
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if err != nil {
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return
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return
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}
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}
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if i <= len(tabMap[curTab].Links) && i > 0 {
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if i <= len(tabs[tab].page.Links) && i > 0 {
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// Open new tab and load link
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// Open new tab and load link
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oldTab := curTab
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oldTab := tab
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NewTab()
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NewTab()
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// Resolve and follow link manually
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// Resolve and follow link manually
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prevParsed, _ := url.Parse(tabMap[oldTab].Url)
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prevParsed, _ := url.Parse(tabs[oldTab].page.Url)
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nextParsed, err := url.Parse(tabMap[oldTab].Links[i-1])
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nextParsed, err := url.Parse(tabs[oldTab].page.Links[i-1])
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if err != nil {
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if err != nil {
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Error("URL Error", "link URL could not be parsed")
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Error("URL Error", "link URL could not be parsed")
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return
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return
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@ -183,19 +178,21 @@ func Init() {
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return
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return
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}
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}
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}
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}
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if i <= len(tabMap[curTab].Links) && i > 0 {
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if i <= len(tabs[tab].page.Links) && i > 0 {
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// It's a valid link number
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// It's a valid link number
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followLink(tabMap[curTab].Url, tabMap[curTab].Links[i-1])
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followLink(tab, tabs[tab].page.Url, tabs[tab].page.Links[i-1])
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return
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return
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}
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}
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// Invalid link number, don't do anything
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// Invalid link number, don't do anything
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bottomBar.SetText(tabMap[curTab].Url)
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bottomBar.SetText(tabs[tab].page.Url)
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App.SetFocus(tabViews[curTab])
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tabs[tab].saveBottomBar()
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App.SetFocus(tabs[tab].view)
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case tcell.KeyEscape:
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case tcell.KeyEscape:
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// Set back to what it was
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// Set back to what it was
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bottomBar.SetText(tabMap[curTab].Url)
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bottomBar.SetText(tabs[tab].page.Url)
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App.SetFocus(tabViews[curTab])
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tabs[tab].saveBottomBar()
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App.SetFocus(tabs[tab].view)
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}
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}
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// Other potential keys are Tab and Backtab, they are ignored
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// Other potential keys are Tab and Backtab, they are ignored
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})
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})
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@ -241,16 +238,16 @@ func Init() {
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switch event.Key() {
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switch event.Key() {
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case tcell.KeyCtrlT:
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case tcell.KeyCtrlT:
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if selectedLink == "" {
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if tabs[curTab].mode == modeLinkSelect {
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NewTab()
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next, err := resolveRelLink(curTab, tabs[curTab].page.Url, tabs[curTab].selected)
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} else {
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next, err := resolveRelLink(tabMap[curTab].Url, selectedLink)
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if err != nil {
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if err != nil {
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Error("URL Error", err.Error())
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Error("URL Error", err.Error())
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return nil
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return nil
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}
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}
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NewTab()
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NewTab()
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URL(next)
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URL(next)
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} else {
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NewTab()
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}
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}
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return nil
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return nil
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case tcell.KeyCtrlW:
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case tcell.KeyCtrlW:
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@ -267,16 +264,16 @@ func Init() {
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return nil
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return nil
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case tcell.KeyCtrlB:
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case tcell.KeyCtrlB:
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Bookmarks()
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Bookmarks()
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addToHist("about:bookmarks")
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tabs[curTab].addToHistory("about:bookmarks")
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return nil
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return nil
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case tcell.KeyCtrlD:
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case tcell.KeyCtrlD:
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go addBookmark()
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go addBookmark()
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return nil
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return nil
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case tcell.KeyPgUp:
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case tcell.KeyPgUp:
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pageUp()
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tabs[curTab].pageUp()
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return nil
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return nil
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case tcell.KeyPgDn:
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case tcell.KeyPgDn:
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pageDown()
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tabs[curTab].pageDown()
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return nil
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return nil
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case tcell.KeyRune:
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case tcell.KeyRune:
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// Regular key was sent
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// Regular key was sent
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@ -285,6 +282,7 @@ func Init() {
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// Space starts typing, like Bombadillo
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// Space starts typing, like Bombadillo
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bottomBar.SetLabel("[::b]URL/Num./Search: [::-]")
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bottomBar.SetLabel("[::b]URL/Num./Search: [::-]")
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bottomBar.SetText("")
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bottomBar.SetText("")
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// Don't save bottom bar, so that whenever you switch tabs, it's not in that mode
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App.SetFocus(bottomBar)
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App.SetFocus(bottomBar)
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return nil
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return nil
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case "q":
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case "q":
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@ -303,10 +301,10 @@ func Init() {
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Help()
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Help()
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return nil
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return nil
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case "u":
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case "u":
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pageUp()
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tabs[curTab].pageUp()
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return nil
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return nil
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case "d":
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case "d":
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pageDown()
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tabs[curTab].pageDown()
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return nil
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return nil
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// Shift+NUMBER keys, for switching to a specific tab
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// Shift+NUMBER keys, for switching to a specific tab
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@ -355,87 +353,31 @@ func Stop() {
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// NewTab opens a new tab and switches to it, displaying the
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// NewTab opens a new tab and switches to it, displaying the
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// the default empty content because there's no URL.
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// the default empty content because there's no URL.
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func NewTab() {
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func NewTab() {
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// Create TextView in tabViews and change curTab
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// Create TextView and change curTab
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// Set the textView options, and the changed func to App.Draw()
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// Set the TextView options, and the changed func to App.Draw()
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// SetDoneFunc to do link highlighting
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// SetDoneFunc to do link highlighting
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// Add view to pages and switch to it
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// Add view to pages and switch to it
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// But first, turn off link selecting mode in the current tab
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// Process current tab before making a new one
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if curTab > -1 {
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if curTab > -1 {
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tabViews[curTab].Highlight("")
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// Turn off link selecting mode in the current tab
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tabs[curTab].view.Highlight("")
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// Save bottomBar state
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tabs[curTab].saveBottomBar()
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}
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}
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selectedLink = ""
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curTab = NumTabs()
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curTab = NumTabs()
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reformatPage(newTabPage)
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reformatPage(newTabPage)
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tabMap[curTab] = newTabPage
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reformatMuts[curTab] = &sync.Mutex{}
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tabViews[curTab] = cview.NewTextView().
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SetDynamicColors(true).
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SetRegions(true).
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SetScrollable(true).
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SetWrap(false).
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SetText(tabMap[curTab].Content).
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ScrollToBeginning().
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SetChangedFunc(func() {
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App.Draw()
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}).
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SetDoneFunc(func(key tcell.Key) {
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// Altered from: https://gitlab.com/tslocum/cview/-/blob/master/demos/textview/main.go
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// Handles being able to select and "click" links with the enter and tab keys
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if key == tcell.KeyEsc {
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tabs[curTab] = makeNewTab()
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// Stop highlighting
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tabs[curTab].page = newTabPage
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tabViews[curTab].Highlight("")
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bottomBar.SetLabel("")
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bottomBar.SetText(tabMap[curTab].Url)
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selectedLink = ""
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}
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currentSelection := tabViews[curTab].GetHighlights()
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numSelections := len(tabMap[curTab].Links)
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if key == tcell.KeyEnter {
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if len(currentSelection) > 0 && len(tabMap[curTab].Links) > 0 {
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// A link was selected, "click" it and load the page it's for
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bottomBar.SetLabel("")
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selectedLink = ""
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linkN, _ := strconv.Atoi(currentSelection[0])
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followLink(tabMap[curTab].Url, tabMap[curTab].Links[linkN])
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return
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} else {
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tabViews[curTab].Highlight("0").ScrollToHighlight()
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// Display link URL in bottomBar
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bottomBar.SetLabel("[::b]Link: [::-]")
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bottomBar.SetText(tabMap[curTab].Links[0])
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selectedLink = tabMap[curTab].Links[0]
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}
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} else if len(currentSelection) > 0 {
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// There's still a selection, but a different key was pressed, not Enter
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index, _ := strconv.Atoi(currentSelection[0])
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if key == tcell.KeyTab {
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index = (index + 1) % numSelections
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} else if key == tcell.KeyBacktab {
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index = (index - 1 + numSelections) % numSelections
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} else {
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return
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}
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tabViews[curTab].Highlight(strconv.Itoa(index)).ScrollToHighlight()
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// Display link URL in bottomBar
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bottomBar.SetLabel("[::b]Link: [::-]")
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bottomBar.SetText(tabMap[curTab].Links[index])
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selectedLink = tabMap[curTab].Links[index]
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}
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})
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tabHist[curTab] = []string{}
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// Can't go backwards, but this isn't the first page either.
|
// Can't go backwards, but this isn't the first page either.
|
||||||
// The first page will be the next one the user goes to.
|
// The first page will be the next one the user goes to.
|
||||||
tabHistPos[curTab] = -1
|
tabs[curTab].history.pos = -1
|
||||||
|
|
||||||
tabPages.AddAndSwitchToPage(strconv.Itoa(curTab), tabViews[curTab], true)
|
tabPages.AddAndSwitchToPage(strconv.Itoa(curTab), tabs[curTab].view, true)
|
||||||
App.SetFocus(tabViews[curTab])
|
App.SetFocus(tabs[curTab].view)
|
||||||
|
|
||||||
// Add tab number to the actual place where tabs are show on the screen
|
// Add tab number to the actual place where tabs are show on the screen
|
||||||
// Tab regions are 0-indexed but text displayed on the screen starts at 1
|
// Tab regions are 0-indexed but text displayed on the screen starts at 1
|
||||||
@ -448,6 +390,7 @@ func NewTab() {
|
|||||||
|
|
||||||
bottomBar.SetLabel("")
|
bottomBar.SetLabel("")
|
||||||
bottomBar.SetText("")
|
bottomBar.SetText("")
|
||||||
|
tabs[curTab].saveBottomBar()
|
||||||
|
|
||||||
// Draw just in case
|
// Draw just in case
|
||||||
App.Draw()
|
App.Draw()
|
||||||
@ -470,13 +413,8 @@ func CloseTab() {
|
|||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
delete(tabMap, curTab)
|
tabs = tabs[:len(tabs)-1]
|
||||||
tabPages.RemovePage(strconv.Itoa(curTab))
|
tabPages.RemovePage(strconv.Itoa(curTab))
|
||||||
delete(tabViews, curTab)
|
|
||||||
delete(reformatMuts, curTab)
|
|
||||||
|
|
||||||
delete(tabHist, curTab)
|
|
||||||
delete(tabHistPos, curTab)
|
|
||||||
|
|
||||||
if curTab <= 0 {
|
if curTab <= 0 {
|
||||||
curTab = NumTabs() - 1
|
curTab = NumTabs() - 1
|
||||||
@ -498,8 +436,8 @@ func CloseTab() {
|
|||||||
}
|
}
|
||||||
tabRow.Highlight(strconv.Itoa(curTab)).ScrollToHighlight()
|
tabRow.Highlight(strconv.Itoa(curTab)).ScrollToHighlight()
|
||||||
|
|
||||||
bottomBar.SetLabel("")
|
// Set previous tab's bottomBar state
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[curTab].applyBottomBar()
|
||||||
|
|
||||||
// Just in case
|
// Just in case
|
||||||
App.Draw()
|
App.Draw()
|
||||||
@ -516,25 +454,37 @@ func SwitchTab(tab int) {
|
|||||||
tab = NumTabs() - 1
|
tab = NumTabs() - 1
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Save current tab attributes
|
||||||
|
if curTab > -1 {
|
||||||
|
// Save bottomBar state
|
||||||
|
tabs[curTab].saveBottomBar()
|
||||||
|
}
|
||||||
|
|
||||||
curTab = tab % NumTabs()
|
curTab = tab % NumTabs()
|
||||||
reformatPageAndSetView(curTab, tabMap[curTab])
|
|
||||||
|
// Display tab
|
||||||
|
reformatPageAndSetView(curTab, tabs[curTab].page)
|
||||||
tabPages.SwitchToPage(strconv.Itoa(curTab))
|
tabPages.SwitchToPage(strconv.Itoa(curTab))
|
||||||
tabRow.Highlight(strconv.Itoa(curTab)).ScrollToHighlight()
|
tabRow.Highlight(strconv.Itoa(curTab)).ScrollToHighlight()
|
||||||
|
tabs[curTab].applyBottomBar()
|
||||||
bottomBar.SetLabel("")
|
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
|
||||||
|
|
||||||
// Just in case
|
// Just in case
|
||||||
App.Draw()
|
App.Draw()
|
||||||
}
|
}
|
||||||
|
|
||||||
func Reload() {
|
func Reload() {
|
||||||
if !tabHasContent() {
|
if !tabs[curTab].hasContent() {
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
cache.Remove(tabMap[curTab].Url)
|
cache.Remove(tabs[curTab].page.Url)
|
||||||
go handleURL(tabMap[curTab].Url)
|
go func(tab int) {
|
||||||
|
handleURL(tab, tabs[tab].page.Url) // goURL is not used bc history shouldn't be added to
|
||||||
|
if tab == curTab {
|
||||||
|
// Display the bottomBar state that handleURL set
|
||||||
|
tabs[tab].applyBottomBar()
|
||||||
|
}
|
||||||
|
}(curTab)
|
||||||
}
|
}
|
||||||
|
|
||||||
// URL loads and handles the provided URL for the current tab.
|
// URL loads and handles the provided URL for the current tab.
|
||||||
@ -544,11 +494,11 @@ func URL(u string) {
|
|||||||
|
|
||||||
if u == "about:bookmarks" {
|
if u == "about:bookmarks" {
|
||||||
Bookmarks()
|
Bookmarks()
|
||||||
addToHist("about:bookmarks")
|
tabs[curTab].addToHistory("about:bookmarks")
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
if u == "about:newtab" {
|
if u == "about:newtab" {
|
||||||
setPage(newTabPage)
|
setPage(curTab, newTabPage)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
if strings.HasPrefix(u, "about:") {
|
if strings.HasPrefix(u, "about:") {
|
||||||
@ -556,14 +506,9 @@ func URL(u string) {
|
|||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
go func() {
|
go goURL(curTab, u)
|
||||||
final, displayed := handleURL(u)
|
|
||||||
if displayed {
|
|
||||||
addToHist(final)
|
|
||||||
}
|
|
||||||
}()
|
|
||||||
}
|
}
|
||||||
|
|
||||||
func NumTabs() int {
|
func NumTabs() int {
|
||||||
return len(tabViews)
|
return len(tabs)
|
||||||
}
|
}
|
||||||
|
@ -1,44 +1,33 @@
|
|||||||
package display
|
package display
|
||||||
|
|
||||||
// Tab number mapped to list of URLs ordered from first to most recent.
|
|
||||||
var tabHist = make(map[int][]string)
|
|
||||||
|
|
||||||
// Tab number mapped to where in its history you are.
|
|
||||||
// The value is a valid index of the string slice above.
|
|
||||||
var tabHistPos = make(map[int]int)
|
|
||||||
|
|
||||||
// addToHist adds the given URL to history.
|
|
||||||
// It assumes the URL is currently being loaded and displayed on the page.
|
|
||||||
func addToHist(u string) {
|
|
||||||
if tabHistPos[curTab] < len(tabHist[curTab])-1 {
|
|
||||||
// We're somewhere in the middle of the history instead, with URLs ahead and behind.
|
|
||||||
// The URLs ahead need to be removed so this new URL is the most recent item in the history
|
|
||||||
tabHist[curTab] = tabHist[curTab][:tabHistPos[curTab]+1]
|
|
||||||
}
|
|
||||||
tabHist[curTab] = append(tabHist[curTab], u)
|
|
||||||
tabHistPos[curTab]++
|
|
||||||
}
|
|
||||||
|
|
||||||
func histForward() {
|
func histForward() {
|
||||||
if tabHistPos[curTab] >= len(tabHist[curTab])-1 {
|
if tabs[curTab].history.pos >= len(tabs[curTab].history.urls)-1 {
|
||||||
// Already on the most recent URL in the history
|
// Already on the most recent URL in the history
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
tabHistPos[curTab]++
|
tabs[curTab].history.pos++
|
||||||
go func() {
|
go func(tab int) {
|
||||||
handleURL(tabHist[curTab][tabHistPos[curTab]])
|
handleURL(tab, tabs[tab].history.urls[tabs[tab].history.pos]) // Load that position in history
|
||||||
applyScroll()
|
tabs[tab].applyScroll()
|
||||||
}()
|
if tab == curTab {
|
||||||
|
// Display the bottomBar state that handleURL set
|
||||||
|
tabs[tab].applyBottomBar()
|
||||||
|
}
|
||||||
|
}(curTab)
|
||||||
}
|
}
|
||||||
|
|
||||||
func histBack() {
|
func histBack() {
|
||||||
if tabHistPos[curTab] <= 0 {
|
if tabs[curTab].history.pos <= 0 {
|
||||||
// First tab in history
|
// First tab in history
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
tabHistPos[curTab]--
|
tabs[curTab].history.pos--
|
||||||
go func() {
|
go func(tab int) {
|
||||||
handleURL(tabHist[curTab][tabHistPos[curTab]])
|
handleURL(tab, tabs[tab].history.urls[tabs[tab].history.pos]) // Load that position in history
|
||||||
applyScroll()
|
tabs[tab].applyScroll()
|
||||||
}()
|
if tab == curTab {
|
||||||
|
// Display the bottomBar state that handleURL set
|
||||||
|
tabs[tab].applyBottomBar()
|
||||||
|
}
|
||||||
|
}(curTab)
|
||||||
}
|
}
|
||||||
|
@ -18,18 +18,6 @@ import (
|
|||||||
|
|
||||||
// This file contains the functions that aren't part of the public API.
|
// This file contains the functions that aren't part of the public API.
|
||||||
|
|
||||||
// pageUp scrolls up 75% of the height of the terminal, like Bombadillo.
|
|
||||||
func pageUp() {
|
|
||||||
row, col := tabViews[curTab].GetScrollOffset()
|
|
||||||
tabViews[curTab].ScrollTo(row-(termH/4)*3, col)
|
|
||||||
}
|
|
||||||
|
|
||||||
// pageDown scrolls down 75% of the height of the terminal, like Bombadillo.
|
|
||||||
func pageDown() {
|
|
||||||
row, col := tabViews[curTab].GetScrollOffset()
|
|
||||||
tabViews[curTab].ScrollTo(row+(termH/4)*3, col)
|
|
||||||
}
|
|
||||||
|
|
||||||
func leftMargin() int {
|
func leftMargin() int {
|
||||||
return int(float64(termW) * viper.GetFloat64("a-general.left_margin"))
|
return int(float64(termW) * viper.GetFloat64("a-general.left_margin"))
|
||||||
}
|
}
|
||||||
@ -60,50 +48,11 @@ func queryEscape(path string) string {
|
|||||||
return strings.ReplaceAll(url.PathEscape(path), "+", "%2B")
|
return strings.ReplaceAll(url.PathEscape(path), "+", "%2B")
|
||||||
}
|
}
|
||||||
|
|
||||||
// tabHasContent returns true when the current tab has a page being displayed.
|
|
||||||
// The most likely situation where false would be returned is when the default
|
|
||||||
// new tab content is being displayed.
|
|
||||||
func tabHasContent() bool {
|
|
||||||
if curTab < 0 {
|
|
||||||
return false
|
|
||||||
}
|
|
||||||
if len(tabViews) < curTab {
|
|
||||||
// There isn't a TextView for the current tab number
|
|
||||||
return false
|
|
||||||
}
|
|
||||||
if tabMap[curTab].Url == "" {
|
|
||||||
// Likely the default content page
|
|
||||||
return false
|
|
||||||
}
|
|
||||||
if strings.HasPrefix(tabMap[curTab].Url, "about:") {
|
|
||||||
return false
|
|
||||||
}
|
|
||||||
|
|
||||||
_, ok := tabMap[curTab]
|
|
||||||
return ok // If there's a page, return true
|
|
||||||
}
|
|
||||||
|
|
||||||
// saveScroll saves where in the page the user was.
|
|
||||||
// It should be used whenever moving from one page to another.
|
|
||||||
func saveScroll() {
|
|
||||||
// It will also be saved in the cache because the cache uses the same pointer
|
|
||||||
row, col := tabViews[curTab].GetScrollOffset()
|
|
||||||
tabMap[curTab].Row = row
|
|
||||||
tabMap[curTab].Column = col
|
|
||||||
}
|
|
||||||
|
|
||||||
// applyScroll applies the saved scroll values to the current page and tab.
|
|
||||||
// It should only be used when going backward and forward, not when
|
|
||||||
// loading a new page (that might have scroll vals cached anyway).
|
|
||||||
func applyScroll() {
|
|
||||||
tabViews[curTab].ScrollTo(tabMap[curTab].Row, tabMap[curTab].Column)
|
|
||||||
}
|
|
||||||
|
|
||||||
// resolveRelLink returns an absolute link for the given absolute link and relative one.
|
// resolveRelLink returns an absolute link for the given absolute link and relative one.
|
||||||
// It also returns an error if it could not resolve the links, which should be displayed
|
// It also returns an error if it could not resolve the links, which should be displayed
|
||||||
// to the user.
|
// to the user.
|
||||||
func resolveRelLink(prev, next string) (string, error) {
|
func resolveRelLink(tab int, prev, next string) (string, error) {
|
||||||
if !tabHasContent() {
|
if !tabs[tab].hasContent() {
|
||||||
return next, nil
|
return next, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -117,12 +66,13 @@ func resolveRelLink(prev, next string) (string, error) {
|
|||||||
|
|
||||||
// followLink should be used when the user "clicks" a link on a page.
|
// followLink should be used when the user "clicks" a link on a page.
|
||||||
// Not when a URL is opened on a new tab for the first time.
|
// Not when a URL is opened on a new tab for the first time.
|
||||||
func followLink(prev, next string) {
|
// It will handle setting the bottomBar.
|
||||||
|
func followLink(tab int, prev, next string) {
|
||||||
|
|
||||||
// Copied from URL()
|
// Copied from URL()
|
||||||
if next == "about:bookmarks" {
|
if next == "about:bookmarks" {
|
||||||
Bookmarks()
|
Bookmarks()
|
||||||
addToHist("about:bookmarks")
|
tabs[tab].addToHistory("about:bookmarks")
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
if strings.HasPrefix(next, "about:") {
|
if strings.HasPrefix(next, "about:") {
|
||||||
@ -130,19 +80,14 @@ func followLink(prev, next string) {
|
|||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if tabHasContent() {
|
if tabs[tab].hasContent() {
|
||||||
saveScroll() // Likely called later on, it's here just in case
|
tabs[tab].saveScroll() // Likely called later on, it's here just in case
|
||||||
nextURL, err := resolveRelLink(prev, next)
|
nextURL, err := resolveRelLink(tab, prev, next)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
Error("URL Error", err.Error())
|
Error("URL Error", err.Error())
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
go func() {
|
go goURL(tab, nextURL)
|
||||||
final, displayed := handleURL(nextURL)
|
|
||||||
if displayed {
|
|
||||||
addToHist(final)
|
|
||||||
}
|
|
||||||
}()
|
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
// No content on current tab, so the "prev" URL is not valid.
|
// No content on current tab, so the "prev" URL is not valid.
|
||||||
@ -152,12 +97,7 @@ func followLink(prev, next string) {
|
|||||||
Error("URL Error", "Link URL could not be parsed")
|
Error("URL Error", "Link URL could not be parsed")
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
go func() {
|
go goURL(tab, next)
|
||||||
final, displayed := handleURL(next)
|
|
||||||
if displayed {
|
|
||||||
addToHist(final)
|
|
||||||
}
|
|
||||||
}()
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// reformatPage will take the raw page content and reformat it according to the current terminal dimensions.
|
// reformatPage will take the raw page content and reformat it according to the current terminal dimensions.
|
||||||
@ -187,29 +127,48 @@ func reformatPage(p *structs.Page) {
|
|||||||
// reformatPageAndSetView is for reformatting a page that is already being displayed.
|
// reformatPageAndSetView is for reformatting a page that is already being displayed.
|
||||||
// setPage should be used when a page is being loaded for the first time.
|
// setPage should be used when a page is being loaded for the first time.
|
||||||
func reformatPageAndSetView(tab int, p *structs.Page) {
|
func reformatPageAndSetView(tab int, p *structs.Page) {
|
||||||
saveScroll()
|
tabs[tab].saveScroll()
|
||||||
reformatPage(p)
|
reformatPage(p)
|
||||||
tabViews[tab].SetText(p.Content)
|
tabs[tab].view.SetText(p.Content)
|
||||||
applyScroll() // Go back to where you were, roughly
|
tabs[tab].applyScroll() // Go back to where you were, roughly
|
||||||
}
|
}
|
||||||
|
|
||||||
// setPage displays a Page on the current tab.
|
// setPage displays a Page on the passed tab number.
|
||||||
func setPage(p *structs.Page) {
|
// The bottomBar is not actually changed in this func
|
||||||
saveScroll() // Save the scroll of the previous page
|
func setPage(tab int, p *structs.Page) {
|
||||||
|
tabs[tab].saveScroll() // Save the scroll of the previous page
|
||||||
|
|
||||||
// Make sure the page content is fitted to the terminal every time it's displayed
|
// Make sure the page content is fitted to the terminal every time it's displayed
|
||||||
reformatPage(p)
|
reformatPage(p)
|
||||||
|
|
||||||
// Change page on screen
|
// Change page on screen
|
||||||
tabMap[curTab] = p
|
tabs[tab].page = p
|
||||||
tabViews[curTab].SetText(p.Content)
|
tabs[tab].view.SetText(p.Content)
|
||||||
tabViews[curTab].Highlight("") // Turn off highlights
|
tabs[tab].view.Highlight("") // Turn off highlights
|
||||||
tabViews[curTab].ScrollToBeginning()
|
tabs[tab].view.ScrollToBeginning()
|
||||||
|
|
||||||
// Setup display
|
// Setup display
|
||||||
App.SetFocus(tabViews[curTab])
|
App.SetFocus(tabs[tab].view)
|
||||||
bottomBar.SetLabel("")
|
|
||||||
bottomBar.SetText(p.Url)
|
// Save bottom bar for the tab - TODO: other funcs will apply/display it
|
||||||
|
tabs[tab].barLabel = ""
|
||||||
|
tabs[tab].barText = p.Url
|
||||||
|
}
|
||||||
|
|
||||||
|
// goURL is like handleURL, but takes care of history and the bottomBar.
|
||||||
|
// It should be preferred over handleURL in most cases.
|
||||||
|
// It has no return values to be processed.
|
||||||
|
//
|
||||||
|
// It should be called in a goroutine.
|
||||||
|
func goURL(tab int, u string) {
|
||||||
|
final, displayed := handleURL(tab, u)
|
||||||
|
if displayed {
|
||||||
|
tabs[tab].addToHistory(final)
|
||||||
|
}
|
||||||
|
if tab == curTab {
|
||||||
|
// Display the bottomBar state that handleURL set
|
||||||
|
tabs[tab].applyBottomBar()
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// handleURL displays whatever action is needed for the provided URL,
|
// handleURL displays whatever action is needed for the provided URL,
|
||||||
@ -222,13 +181,12 @@ func setPage(p *structs.Page) {
|
|||||||
// The second returned item is a bool indicating if page content was displayed.
|
// The second returned item is a bool indicating if page content was displayed.
|
||||||
// It returns false for Errors, other protocols, etc.
|
// It returns false for Errors, other protocols, etc.
|
||||||
//
|
//
|
||||||
// TODO: Add tab number param - now the func only saves the values like the content
|
// The bottomBar is not actually changed in this func, except during loading.
|
||||||
// and bottom bar.
|
// The func that calls this one should apply the bottomBar values if necessary.
|
||||||
// TODO: Some other func that constantly updates bottom bar values
|
func handleURL(tab int, u string) (string, bool) {
|
||||||
func handleURL(u string) (string, bool) {
|
|
||||||
defer App.Draw() // Just in case
|
defer App.Draw() // Just in case
|
||||||
|
|
||||||
App.SetFocus(tabViews[curTab])
|
App.SetFocus(tabs[tab].view)
|
||||||
|
|
||||||
// To allow linking to the bookmarks page, and history browsing
|
// To allow linking to the bookmarks page, and history browsing
|
||||||
if u == "about:bookmarks" {
|
if u == "about:bookmarks" {
|
||||||
@ -241,7 +199,7 @@ func handleURL(u string) (string, bool) {
|
|||||||
parsed, err := url.Parse(u)
|
parsed, err := url.Parse(u)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
Error("URL Error", err.Error())
|
Error("URL Error", err.Error())
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -264,12 +222,12 @@ func handleURL(u string) (string, bool) {
|
|||||||
Error("HTTP Error", "Error executing custom browser command: "+err.Error())
|
Error("HTTP Error", "Error executing custom browser command: "+err.Error())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
if !strings.HasPrefix(u, "gemini") {
|
if !strings.HasPrefix(u, "gemini") {
|
||||||
Error("Protocol Error", "Only gemini and HTTP are supported. URL was "+u)
|
Error("Protocol Error", "Only gemini and HTTP are supported. URL was "+u)
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
// Gemini URL
|
// Gemini URL
|
||||||
@ -277,11 +235,12 @@ func handleURL(u string) (string, bool) {
|
|||||||
// Load page from cache if possible
|
// Load page from cache if possible
|
||||||
page, ok := cache.Get(u)
|
page, ok := cache.Get(u)
|
||||||
if ok {
|
if ok {
|
||||||
setPage(page)
|
setPage(tab, page)
|
||||||
return u, true
|
return u, true
|
||||||
}
|
}
|
||||||
// Otherwise download it
|
// Otherwise download it
|
||||||
bottomBar.SetText("Loading...")
|
bottomBar.SetText("Loading...")
|
||||||
|
tabs[tab].barText = "Loading..." // Save it too, in case the tab switches during loading
|
||||||
App.Draw()
|
App.Draw()
|
||||||
|
|
||||||
res, err := client.Fetch(u)
|
res, err := client.Fetch(u)
|
||||||
@ -293,13 +252,13 @@ func handleURL(u string) (string, bool) {
|
|||||||
} else {
|
} else {
|
||||||
// They don't want to continue
|
// They don't want to continue
|
||||||
// Set the bar back to original URL
|
// Set the bar back to original URL
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
} else if err != nil {
|
} else if err != nil {
|
||||||
Error("URL Fetch Error", err.Error())
|
Error("URL Fetch Error", err.Error())
|
||||||
// Set the bar back to original URL
|
// Set the bar back to original URL
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
if renderer.CanDisplay(res) {
|
if renderer.CanDisplay(res) {
|
||||||
@ -308,18 +267,19 @@ func handleURL(u string) (string, bool) {
|
|||||||
if err != nil {
|
if err != nil {
|
||||||
Error("Page Error", "Issuing creating page: "+err.Error())
|
Error("Page Error", "Issuing creating page: "+err.Error())
|
||||||
// Set the bar back to original URL
|
// Set the bar back to original URL
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
tabs[tab].barText = tabs[tab].page.Url
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
cache.Add(page)
|
cache.Add(page)
|
||||||
setPage(page)
|
setPage(tab, page)
|
||||||
return u, true
|
return u, true
|
||||||
}
|
}
|
||||||
// Not displayable
|
// Not displayable
|
||||||
// Could be a non 20 (or 21) status code, or a different kind of document
|
// Could be a non 20 (or 21) status code, or a different kind of document
|
||||||
|
|
||||||
// Set the bar back to original URL
|
// Set the bar back to original URL
|
||||||
bottomBar.SetText(tabMap[curTab].Url)
|
bottomBar.SetText(tabs[curTab].page.Url)
|
||||||
|
tabs[tab].barText = tabs[curTab].page.Url
|
||||||
App.Draw()
|
App.Draw()
|
||||||
|
|
||||||
// Handle each status code
|
// Handle each status code
|
||||||
@ -335,7 +295,7 @@ func handleURL(u string) (string, bool) {
|
|||||||
Error("Input Error", "URL for that input would be too long.")
|
Error("Input Error", "URL for that input would be too long.")
|
||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
return handleURL(parsed.String())
|
return handleURL(tab, parsed.String())
|
||||||
}
|
}
|
||||||
return "", false
|
return "", false
|
||||||
case 30:
|
case 30:
|
||||||
@ -345,13 +305,12 @@ func handleURL(u string) (string, bool) {
|
|||||||
return "", false
|
return "", false
|
||||||
}
|
}
|
||||||
redir := parsed.ResolveReference(parsedMeta).String()
|
redir := parsed.ResolveReference(parsedMeta).String()
|
||||||
|
|
||||||
if YesNo("Follow redirect?\n" + redir) {
|
if YesNo("Follow redirect?\n" + redir) {
|
||||||
return handleURL(redir)
|
return handleURL(tab, redir)
|
||||||
}
|
}
|
||||||
return "", false
|
return "", false
|
||||||
case 40:
|
case 40:
|
||||||
Error("Temporary Failure", cview.Escape(res.Meta)) // Escaped just in case, to not allow malicious meta strings
|
Error("Temporary Failure", cview.Escape(res.Meta))
|
||||||
return "", false
|
return "", false
|
||||||
case 50:
|
case 50:
|
||||||
Error("Permanent Failure", cview.Escape(res.Meta))
|
Error("Permanent Failure", cview.Escape(res.Meta))
|
||||||
|
@ -1,9 +1,11 @@
|
|||||||
package display
|
package display
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"strconv"
|
||||||
"strings"
|
"strings"
|
||||||
"sync"
|
"sync"
|
||||||
|
|
||||||
|
"github.com/gdamore/tcell"
|
||||||
"github.com/makeworld-the-better-one/amfora/structs"
|
"github.com/makeworld-the-better-one/amfora/structs"
|
||||||
"gitlab.com/tslocum/cview"
|
"gitlab.com/tslocum/cview"
|
||||||
)
|
)
|
||||||
@ -29,13 +31,14 @@ type tab struct {
|
|||||||
history *tabHistory
|
history *tabHistory
|
||||||
reformatMut *sync.Mutex // Mutex for reformatting, so there's only one reformat job at once
|
reformatMut *sync.Mutex // Mutex for reformatting, so there's only one reformat job at once
|
||||||
selected string // The current text or link selected
|
selected string // The current text or link selected
|
||||||
|
selectedID string // The cview region ID for the selected text/link
|
||||||
barLabel string // The bottomBar label for the tab
|
barLabel string // The bottomBar label for the tab
|
||||||
barText string // The bottomBar text for the tab
|
barText string // The bottomBar text for the tab
|
||||||
}
|
}
|
||||||
|
|
||||||
// makeNewTab initializes an tab struct with no content.
|
// makeNewTab initializes an tab struct with no content.
|
||||||
func makeNewTab() *tab {
|
func makeNewTab() *tab {
|
||||||
return &tab{
|
t := tab{
|
||||||
page: &structs.Page{},
|
page: &structs.Page{},
|
||||||
view: cview.NewTextView().
|
view: cview.NewTextView().
|
||||||
SetDynamicColors(true).
|
SetDynamicColors(true).
|
||||||
@ -46,8 +49,65 @@ func makeNewTab() *tab {
|
|||||||
App.Draw()
|
App.Draw()
|
||||||
}),
|
}),
|
||||||
mode: modeOff,
|
mode: modeOff,
|
||||||
|
history: &tabHistory{},
|
||||||
reformatMut: &sync.Mutex{},
|
reformatMut: &sync.Mutex{},
|
||||||
}
|
}
|
||||||
|
t.view.SetDoneFunc(func(key tcell.Key) {
|
||||||
|
// Altered from: https://gitlab.com/tslocum/cview/-/blob/master/demos/textview/main.go
|
||||||
|
// Handles being able to select and "click" links with the enter and tab keys
|
||||||
|
|
||||||
|
tab := curTab // Don't let it change in the middle of the code
|
||||||
|
|
||||||
|
defer tabs[tab].saveBottomBar()
|
||||||
|
|
||||||
|
if key == tcell.KeyEsc {
|
||||||
|
// Stop highlighting
|
||||||
|
tabs[tab].view.Highlight("")
|
||||||
|
bottomBar.SetLabel("")
|
||||||
|
bottomBar.SetText(tabs[tab].page.Url)
|
||||||
|
tabs[tab].mode = modeOff
|
||||||
|
}
|
||||||
|
|
||||||
|
currentSelection := tabs[tab].view.GetHighlights()
|
||||||
|
numSelections := len(tabs[tab].page.Links)
|
||||||
|
|
||||||
|
if key == tcell.KeyEnter {
|
||||||
|
if len(currentSelection) > 0 && len(tabs[tab].page.Links) > 0 {
|
||||||
|
// A link was selected, "click" it and load the page it's for
|
||||||
|
bottomBar.SetLabel("")
|
||||||
|
tabs[tab].mode = modeOff
|
||||||
|
linkN, _ := strconv.Atoi(currentSelection[0])
|
||||||
|
followLink(tab, tabs[tab].page.Url, tabs[tab].page.Links[linkN])
|
||||||
|
return
|
||||||
|
} else {
|
||||||
|
tabs[tab].view.Highlight("0").ScrollToHighlight()
|
||||||
|
// Display link URL in bottomBar
|
||||||
|
bottomBar.SetLabel("[::b]Link: [::-]")
|
||||||
|
bottomBar.SetText(tabs[tab].page.Links[0])
|
||||||
|
tabs[tab].selected = tabs[tab].page.Links[0]
|
||||||
|
tabs[tab].selectedID = "0"
|
||||||
|
}
|
||||||
|
} else if len(currentSelection) > 0 {
|
||||||
|
// There's still a selection, but a different key was pressed, not Enter
|
||||||
|
|
||||||
|
index, _ := strconv.Atoi(currentSelection[0])
|
||||||
|
if key == tcell.KeyTab {
|
||||||
|
index = (index + 1) % numSelections
|
||||||
|
} else if key == tcell.KeyBacktab {
|
||||||
|
index = (index - 1 + numSelections) % numSelections
|
||||||
|
} else {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
tabs[tab].view.Highlight(strconv.Itoa(index)).ScrollToHighlight()
|
||||||
|
// Display link URL in bottomBar
|
||||||
|
bottomBar.SetLabel("[::b]Link: [::-]")
|
||||||
|
bottomBar.SetText(tabs[tab].page.Links[index])
|
||||||
|
tabs[tab].selected = tabs[tab].page.Links[index]
|
||||||
|
tabs[tab].selectedID = currentSelection[0]
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
return &t
|
||||||
}
|
}
|
||||||
|
|
||||||
// addToHistory adds the given URL to history.
|
// addToHistory adds the given URL to history.
|
||||||
|
Loading…
Reference in New Issue
Block a user