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| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | plugins/scale.lua | 62 |
2 files changed, 63 insertions, 0 deletions
@@ -57,6 +57,7 @@ Plugin | Description [`motiontrail`](plugins/motiontrail.lua?raw=1) | Adds a motion-trail to the caret *([screenshot](https://user-images.githubusercontent.com/3920290/83256814-085ccb00-a1ab-11ea-9e35-e6633cbed1a9.gif))* [`openfilelocation`](plugins/openfilelocation.lua?raw=1) | Opens the parent directory of the current file in the file manager [`openselected`](plugins/openselected.lua?raw=1) | Opens the selected filename or url +[`scale`](plugins/scale.lua?raw=1) | Provides support for dynamically adjusting the scale of the UI (`ctrl+-`, `ctrl+=`) [`selectionhighlight`](plugins/selectionhighlight.lua?raw=1) | Highlights regions of code that match the current selection *([screenshot](https://user-images.githubusercontent.com/3920290/80710883-5f597c80-8ae7-11ea-97f0-76dfacc08439.png))* [`sort`](plugins/sort.lua?raw=1) | Sorts selected lines alphabetically [`spellcheck`](plugins/spellcheck.lua?raw=1) | Underlines misspelt words *([screenshot](https://user-images.githubusercontent.com/3920290/79923973-9caa7400-842e-11ea-85d4-7a196a91ca50.png))* On Windows no dictionary file exists for spellchecking. You can add a words.txt file beside the exe to remedy this. [Example file](https://github.com/dwyl/english-words/blob/master/words.txt) diff --git a/plugins/scale.lua b/plugins/scale.lua new file mode 100644 index 0000000..52ac73b --- /dev/null +++ b/plugins/scale.lua @@ -0,0 +1,62 @@ +local core = require "core" +local command = require "core.command" +local keymap = require "core.keymap" +local style = require "core.style" + + +local font_cache = setmetatable({}, { __mode = "k" }) + +-- the following should be kept in sync with core.style's default font settings +font_cache[style.font] = { EXEDIR .. "/data/fonts/font.ttf", 14 * SCALE } +font_cache[style.big_font] = { EXEDIR .. "/data/fonts/font.ttf", 34 * SCALE } +font_cache[style.icon_font] = { EXEDIR .. "/data/fonts/icons.ttf", 14 * SCALE } +font_cache[style.code_font] = { EXEDIR .. "/data/fonts/monospace.ttf", 13.5 * SCALE } + + +local load_font = renderer.font.load +function renderer.font.load(...) + local res = load_font(...) + font_cache[res] = { ... } + return res +end + + +local function scale_font(font, s) + local fc = font_cache[font] + return renderer.font.load(fc[1], fc[2] * s) +end + + +local function set_scale(scale) + local s = scale / SCALE + + style.padding.x = style.padding.x * s + style.padding.y = style.padding.y * s + style.divider_size = style.divider_size * s + style.scrollbar_size = style.scrollbar_size * s + style.caret_width = style.caret_width * s + style.tab_width = style.tab_width * s + + style.font = scale_font(style.font, s) + style.big_font = scale_font(style.big_font, s) + style.icon_font = scale_font(style.icon_font, s) + style.code_font = scale_font(style.code_font, s) + + SCALE = scale + core.redraw = true +end + + +command.add(nil, { + ["scale:reset" ] = function() set_scale(1) end, + ["scale:decrease"] = function() set_scale(SCALE * 0.9) end, + ["scale:increase"] = function() set_scale(SCALE * 1.1) end, +}) + +keymap.add { + ["ctrl+0"] = "scale:reset", + ["ctrl+-"] = "scale:decrease", + ["ctrl+="] = "scale:increase", +} + +return { set_scale = set_scale } |