Large merge of changes from jwilm/alacritty master since the start of the windows branch. * Support integer font size in config (alacritty#886) Fixes alacritty#882 * Fixed typo in README.md (alacritty#876) * Correct linefeed handling when scroll region set (alacritty#855) Linefeeds should only move the cursor down if it's before the end of the scroll region. The "out of bounds" panic was triggered by linefeeds going off the bottom of the screen when the scroll region end was above the cursor. Note: https://vt100.net/docs/vt102-ug/chapter5.html "Characters added outside the scrolling region do not cause the screen to scroll." * Match LF behavior outside scroll region with urxvt Outside of a scroll region, linefeed will still advances the line until reaching the bottom row in other terminals. Alacritty now matches that. * Run all ref tests There were two ref tests that were not being run. Oops! * Add ref test for 855 * Don't enforce window dimensions if configured with 0 columns or lines * Style fixes * Fix typo and whitespace * Output more info for `--version` (alacritty#888) Useful when requesting more info to help investigating issues. * Support more color escape codes (alacritty#757) * Support text cursor color escape codes * Support reset color index escape code * Support multiple colors in set color index escape code * Remove outdated TASK.md (alacritty#906) * Wait to display window until initialization is complete (alacritty#907) * Revert "Wait to display window until initialization is complete (alacritty#907)" This reverts commit a931d69. Please see alacritty#907 (comment) for rationale w/ GIF. > now alacritty starts "in stages". First it paints some small > rectangle, and in a second in "boots" and fills up the available > space. * commit some Cargo.lock changes that "cargo build" would do automatically * clippy: fix if_not_else warning 'breaking' the build. Swap blocks and change to "==". * Cargo.lock: bump clippy from 0.0.164 to 0.0.174. * clippy: string constants do not need to have static lifetime (const_static_lifetime). * clippy: remove unneeded return statement (needless_return). * clippy: use is_empty() instead of len() == 0 (warn(len_zero)). * clippy: do and don't pass some things by reference as suggested (needless_pass_by_value, needless_borrow). * Add cursor style option (alacritty#928) The default cursor can now be configured through the cursor_style field of the config. Valid options include Block, Underline, and Beam. The default can be restored by sending \e[0q as in VTE terminals. Live config reloading is supported for this parameter. * Remove the launcher and set the locale/current directory in alacritty (alacritty#879) * On macOS when launching multiple times focus win (alacritty#941) I dug into this and narrowed the issue down to the macOS app bundle Info.plist file. So, I spun up a native macOS app real quick and tested it by launching the binary directly and launching it via the app bundle. When launching from the command line directly, it created multiple windows & instances of the app. However, when launching via the app bundle it behaved as I normally expect a macOS app to behave, that is when launched multiple times to simply focus the already existing window and instance. This informed me that it wasn't something in code as much as it was something in the app bundle configuration. Hence, I reworked the Info.plist file based on the one that was created by XCode when I made the native macOS app and it started behaving as expected. * Fix License link at the bottom of the readme (alacritty#933) * Add 'borderless' option Until winit gives us more capabilities in regard to window decorations this implements a simple switch that renders the window without any title bar or border * Add borderless option to config files See 46a1ee7 * Add new window section to config Move/rename borderless into window_config as decorations * Move dimensions and padding into window section * Update config files * Deprecate config top-level dimensions and padding * Use consistent config deprecation message style * Fix stack-overflow when creating a new atlas When an atlas is full and the `insert` call fails, a new atlas should be created. This is the current strategy, however the atlas is put at the end of the vector, but the `current_atlas` index is set to 0, instead of the last element. This leads to a recursion where it keeps trying to insert into the full atlas at position 0 instead of the new at `atlas.len() - 1`. With this simple fix a stack-overflow is prevented because the new atlas is inserted as the first element, which then will be used correctly for loading new glyphs. This fixes alacritty/issues/842 and might also solve alacritty/issues/914 (I wasn't able to reproduce this with the latest master). * Change LoadGlyph in LoaderApi to match RenderApi * Share LoadGlyph implementations Previously there were two separate but intended-to-be-identical implementations. Now the two implementations simply delegate to a single, shared method. This should help correctness issues in the future. * Implement faux scrolling This patch implements faux scrolling inside the alternate screen buffer. Whenever the user scrolls up or down while the alternate screen buffer is active, instead of actual scrolling three up/down arrow keys are inserted. * Fix faux scrolling for line-based touchpads Touchpads which use line-based instead of pixel-based updates send partial scroll requests, so decimal numbers are important. The current implementation only really used scroll amounts that are either 1 or -1. This has been fixed and now the line-based touchpads should have very smooth scrolling, but the pixel-based approach is still WIP and completely untested. * Adapt pixel-based scrolling behavior The pixel-based scrolling behavior has been adapted to be as similar to the line-based one as possible. I still have not been able to test this. But this should have a decent chance to at least kinda work. * Style nits * Add Void Linux to distrobutions with packages Void Linux has the alacritty package in the main repository's, so compilation from source isn't needed. * Update README.md for current state of macOS Homebrew Rust will correctly compile `alacritty` now, and the monospace font is automatically set to `Menlo` at first launch. * Remove built crate This became a support burden for me due to various compile and run time issues. * Fix macOS fallbacks (alacritty#956) The cascade list is now generated from Menlo for all fonts. This doesn't feel correct to me, but it seems to give the expected behavior on macOS. One of the problems cited was that certain glyphs like ❯ would not be rendered with default cascade lists for some fonts. * Remove debug print * Assure that newlines are in selections (alacritty#777) When a selection was made, the last line of the selection did not include a new line character when the line ending was selected. This would occur if only one line was selected; if multiple lines were selected, only the final line did not include a newline. This commit updates the `string_from_selection` function to attempt to append a newline character in all places where they are suitable. Because of the simplification of newline insertion, several trait implementations were removed. * Update dependencies Also fixes warning from gl generator * Update deps * Update glutin to v0.10 * Update bitflags to v1 * Update euclid to v16 * Update glutin to v0.11 * Add custom underline cursor As mentioned in alacritty#931, it can be troublesome if a font has an underline symbol outside of the glyph's bounding box. This can lead to the underline disappearing at the bottom of the terminal. As a solution a symbol from the private use area was used as the character code for the underline symbol. Whenever this symbol is encountered, instead of rendering it, a custom block is rendered. In this implementation the block has the full character as width and sits flush with the bottom of the glyph's bounding box. The height is half the distance between the baseline and the bottom of the bounding box. * Revert to old system for macos Because rendering with macos works differently, the old underline cursor is used for that. The cursor symbol has also been setup as a constant in the font project. * Update comment to reference proper character The unicode character comment has been updated to correctly reference the character instead of commenting on the variable that might be that character. * Specify unicode code point explicitly * Add custom beam cursor In issue jwilm/asacritty#31 a few people complained about Beam cursor being weird with their fonts, so to make all cursors uniform in alacritty, a custom cursor has been added for the Beam too. The beam cursor's height is always the full height of the monospace font glyph bounding box. The width depends on the font size. It is calculated using the width of the cell and dividing it by two. The block is always aligned at the far-left of the cell. The implementation is identical to the one of the underline cursor, but it has been refactored so the glyphs are created in `lib.rs`, which can be used by darwin/macos to implement these features too. A small bug in the underline cursor has also been fixed, until now the width was just using the width of the unicode character. Now it should be using the full width of the monospace glyph bounding box with every font. Here are some screenshots for the Beam cursor: ![Small](https://u.teknik.io/v1QH3.png) ![Normal](https://u.teknik.io/RTlp2.png) ![Big](https://u.teknik.io/DLu2M.png) ![Huge](https://u.teknik.io/pSAFX.png) * Add custom cursors for macos The macos target now also supports the custom beam and underline cursors. The only thing left for this is now is testing and making sure it works with tiny fonts. * Format cursor code and add documentation As requested a few comments have been added to the darwin code. There also was an off by one error in the ascent calculation which has been corrected. The beam cursor width has also been tweaked to be slightly slimmer in general. All code added in this PR has also been run through the default rustfmt to make sure the formatting is okay. * Add custom box cursor for unfocused window * Refactor darwin code The ascent calculation on darwin was more complicated than it needed to be. By running a `.ceil()` instead of adding one, checking if it's 0, substracting if it is, and then flooring it, a few instructions could be shaved off. * Add box cursor to unfocused underline and beam Because some people have requested this change, the beam and underline cursors now also transform into an empty box when the terminal loses focus. Like this there is one unique symbol to indicate that a terminal is not currently focused. * Remove the launcher and set the locale/current directory in alacritty (alacritty#879) * Fix linux symbol size With linux every box, line or underline should now have the pixel-perfect size with any font at any size. This uses the default font to get the size of the monospace box. It assumes that the face 0 is always the primary font, if this is not the case, this will probably break. * Use font_key provided with cursor glyphs Previously it was assumed that the font_key for the normal font is always 0, because this assumption was a bit of a stretch, now the font_key provided with the glyph is used. This is always the bold, italics or normal font associated with the cell. * Move custom cursor block on ft Moved the custom cursor block on ft to the top, so no unnecessary operations are executed when trying to draw a custom cursor glyph. * Fix stack overflow with too large glyphs This resolves the remaining issue of alacritty#842. * Adding dynamic_title property to configuration (alacritty#819) This logic is applied in Term's ansi::Handler implementation to avoid unnecessary allocations. * Change mouse cursor on terminal mode change (alacritty#865) Some terminals have functionality around changing the type of mouse cursor dynamically (arrow and text) based on which mode(s) the VTE is in. For example, gnome-terminal changes the cursor from text (default) to an arrow when opening programs that track mouse events (e.g. vim, emacs, tmux, htop, etc.). The programs all allow using the mouse interactively under some circumstances (like executing `set mouse=a` in vim). The programs that use an interactive mouse set the terminal mode to different values. Though they're not entirely the same terminal mode across programs, an emulator like vte (the library gnome-terminal implements), changes the mouse cursor if the mouse mode is one of the following: - 1000: Mouse Click Tracking - 1001: Mouse Highlight Tracking - 1002: Mouse Cell Motion Tracking - 1003: Mouse All Motion Tracking - 1004: Mouse Focus Tracking See https://github.com/GNOME/vte/blob/6acfa59dfcceef65c1f7e3570db37ab245f049c4/src/vteseq.cc#L708 for more information. This commit adds functionality that changes the winit/glutin `MouseCursor` when a mouse-listening mode of 1000-1004 is set. It behaves similarly to when the window title changes. * Refactor populate cursor, fix-wide-cursor (alacritty#762) Cleanup cursor handling code and support wide cursors * Fix zombie children (alacritty#976) Resolves alacritty#973 * Add config option for faux scrollback Some people have complained about the behavior of faux scrollback inside of vim/tmux, however from what I can tell, alacritty behaves the same way as other terminal emulators that support faux scrollback. However there are a lot of terminal emulators that do not support faux scrollback at all, which leads to people complaining about unusual scroll behavior. This is my proposal on how to solve this issue, by giving people that do not like the VTE-Style faux scrolling the option to opt-out. * Allow faux scroll amount configuration It is now possible to configure the amount of lines scrolled with faux scrollback. * Address feedback The config documentation has been changed to make it clear which part of the documentation is related to which setting. The faux scrollback part of the `scroll_terminal` method has been cleaned up by making use of the fact that the `codepoint + 1` can be used in the escape sequence which is used for scrolling. * Add support for set-clipboard. (alacritty#970) This allows e.g. tmux to set the clipboard via the OSC 52 escape code. * Enable shift+select in mouse mode When an application takes control over the mouse, it usually disables selection completely. However the common way to still make selection possible is by allowing selection while the shift key is held down. This feature is implemented here by making use of the new `modifiers` field on mouse events with glutin/winit. This fixes alacritty#146. * Update mouse modifiers to only pass shift The only mouse modifier required right now is the shift key, to prevent passing around unnecessary state, only the shift state is passed to the mouse processors now. * Fix failed tests Three was still a test which passed the whole modifiers struct instead of just the shift bool, this has been fixed. * Use default modifier state The tests were using a manually setup `ModifiersState`, to clean things up a bit the `ModifiersState::default` method has been used to replace this. * Always clear selection It seems like the common consensus is that even in mouse mode, the selection should be cleared with a normal click. If there is any reason why this should not be the case, please let me know. * Pass ModifiersState to mouse input as whole ModifiersState is now passed to the mouse methods in `input.rs` as a whole instead of just passing the `shift` state. This should make it a bit easier to do changes in the future. * Pass ModifiersState to mouse_moved method too * Prevent font_size_modifier from sinking too low (alacritty#994) This replaces the `font_size_modifier` stored on the `Term` struct with a `font_size` field. With this change it is not necessary anymore to calculate the new font size from a delta but the current font size is always stored directly on the `Term` struct. As a result of this it is now possible to increase the font size by more than 127 steps at runtime. It also limits the minimum font size to 1, so issues with the `font_size_modifier` dropping far below font size 1 are resolved with this change. This fixes alacritty#955. * Improve ability of alacritty to deal with broken config Until now alacritty completely refuses to start when the config is broken in any way. This behavior has been changed so the worst-case is always that alacritty launches with the default configuration. When part of the config is broken, alacritty shouldn't instantly try to recover to the default config, but instead try to use defaults only for the parts of the config which are broken. This has also been implemented for most of the fields in the configuration. So it should be possible that parts are broken, but the rest is still used for the configuration. This fixes alacritty#954. * Add clippy check to travis This commit adds clippy as a required step of the build process. To make this possible, all existing clippy issues have been resolved. * Fix SGR mouse reporting There were two bugs fixed in this commit: 1. `sgr_mouse_report` was not always called when `SGR_MOUSE` bit was set due to calling `normal_mouse_report` instead of `mouse_report` in the scrolling method. 2. SGR reporting was always going off the left mouse button state rather than what was appropriate. This affected SGR scroll reporting since it only behaves correctly for pressed events (final character 'M'). Resolves alacritty#698. * Honour working dir on linux (alacritty#987) * Resolves alacritty#733. When pasting in non-bracketed mode, LFs are replaced with CRs. * Non-bracketed paste support for DOS CRLFs. When pasting in non-bracketed more, all line endings (including DOS-style CRLFs) get normalized to a single CR to simulate a keypress of the <return> key. * Revert alacritty#987 behavior on macos (alacritty#1007) * Fix indexed color setting regression Commit 2920cbe introduced a regression because of a typo in the chunk slice index for the `parse_rgb_color` call. This fixes this issue by resetting it to the state it was before the faulty commit. * Fix `ioctl` call failing on 32 bit architecture (alacritty#1011) * Make Mac app installation steps idempotent (alacritty#1015) Repeated uses of `cp -r target/release/osx/Alacritty.app /Applications/Alacritty.app` will result in copying Alacritty.app to `/Applications/Alacritty.app/Alacritty.app`. * Expand key binding config documentation A link to all variants available as `key` has been added to the key bindings documentation, to help users with finding the right place for mapping key codes. * Update lockfile Clippy failed to build with the latest nightly, so the lockfile has been updated to allow the nightly builds to work again. * Spawn alacritty window as invisible This change initially spawns alacritty as in invisible window, this makes it possible for the pty to already access data like `window_id` without having to wait for the window manager to actually open the window. Even though `GlWindow::new` is blocking when `with_visibility(true)` is used, the `window.show` call is not blocking. So calling `GlWindow::new` and `with_visibility(false)`, then immediately calling `window.show` will create a window and make it visible instantly. * Update lockfile (alacritty#1031) The lockfile has been updated to make clippy work with nightly again. * Implement `reset_state` of Term struct (alacritty#1035) Up to this point the `reset_state` method of the `Term` struct has been just a placeholder. This has been changed and all important state has been reset. The only state that has not been reset is stuff which is retrieved from the config and isn't stored as default on the `Term` struct either. From what I can tell these are all never changed though. This fixes alacritty#1033. After doing some more testing trying to figure out how to fix that all glyphs are messed up after doing `cat /dev/urandom`, I was able to confirm that resetting `Term::cursor` fixes the glyphs and restores everything to normal. So this also fixes alacritty#804. * Better character cell width with FreeType (alacritty#1029) This should fix alacritty#1020, alacritty#710, and alacritty#902 * Update dependencies Updated the version of some dependencies. This also changes to a new clippy version so clippy can work with the latest nightly compiler again. Some issues created by new lints have been fixed. * Update lockfile Updated the lockfile to make sure clippy is building properly with the latest nightly toolchain. * Update core-text (alacritty#1061) This cleans up a bunch of code. * fix fallbacks in macos (alacritty#1099) fixes alacritty#1086 * `starting` not `staring` (alacritty#1074) * Add info about default configuration for macOS * Add install instructions via cargo --git * Fix heading for NixOS/Nixpkgs The level of heading were one to high. * Upgrade dependencies Upgrading glutin to the latest version allows building alacritty even with old XRandr versions. This is relevant for Debian machines (and other ancient systems). * Update arraydeque dependency * Ignore emacs temp files * Fixed lockup on start

Reset Doesn't Show Cursor #1033

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