diff options
Diffstat (limited to 'plugins/minimap.lua')
| -rw-r--r-- | plugins/minimap.lua | 76 |
1 files changed, 72 insertions, 4 deletions
diff --git a/plugins/minimap.lua b/plugins/minimap.lua index 3f4a2a2..2c383b8 100644 --- a/plugins/minimap.lua +++ b/plugins/minimap.lua @@ -4,6 +4,7 @@ local common = require "core.common" local config = require "core.config" local style = require "core.style" local DocView = require "core.docview" +local Object = require "core.object" -- General plugin settings config.plugins.minimap = { @@ -14,7 +15,29 @@ config.plugins.minimap = { scale = 1, -- how many spaces one tab is equivalent to tab_width = 4, - draw_background = true + draw_background = true, + + -- you can override these colors + selection_color = nil, + caret_color = nil, + + -- If other plugins provide per-line highlights, + -- this controls the placement. (e.g. gitdiff_highlight) + highlight_align = 'left', + highlight_width = 3, + gutter_width = 5, + -- try these values: + -- full width: + -- config.plugins.minimap.highlight_width = 100 + -- config.plugins.minimap.gutter_width = 0 + -- left side: + -- config.plugins.minimap.highlight_align = 'left' + -- config.plugins.minimap.highlight_width = 3 + -- config.plugins.minimap.gutter_width = 4 + -- right side: + -- config.plugins.minimap.highlight_align = 'right' + -- config.plugins.minimap.highlight_width = 5 + -- config.plugins.minimap.gutter_width = 0 } -- Configure size for rendering each char in the minimap @@ -22,6 +45,17 @@ local char_height = 1 * SCALE * config.plugins.minimap.scale local char_spacing = 0.8 * SCALE * config.plugins.minimap.scale local line_spacing = 2 * SCALE * config.plugins.minimap.scale +local MiniMap = Object:extend() + +function MiniMap:new() +end + +function MiniMap:line_highlight_color(line_index) + -- other plugins can override this, and return a color +end + +local minimap = MiniMap() + -- Overloaded since the default implementation adds a extra x3 size of hotspot for the mouse to hit the scrollbar. local prev_scrollbar_overlaps_point = DocView.scrollbar_overlaps_point DocView.scrollbar_overlaps_point = function(self, x, y) @@ -101,7 +135,6 @@ DocView.on_mouse_pressed = function(self, button, x, y, clicks) -- if user didn't click on the visible area (ie not dragging), scroll accordingly if not hit_visible_area then self:scroll_to_line(jump_to_line, false, config.plugins.minimap.instant_scroll) - return end end @@ -196,6 +229,21 @@ DocView.draw_scrollbar = function(self) -- draw visual rect renderer.draw_rect(x, visible_y, w, scroller_height, visual_color) + -- highlight the selected lines, and the line with the caret on it + local selection_color = config.plugins.minimap.selection_color or style.dim + local caret_color = config.plugins.minimap.caret_color or style.caret + local selection_line, selection_col, selection_line2, selection_col2 = self.doc:get_selection() + local selection_y = y + (selection_line - minimap_start_line) * line_spacing + local selection2_y = y + (selection_line2 - minimap_start_line) * line_spacing + local selection_min_y = math.min(selection_y, selection2_y) + local selection_h = math.abs(selection2_y - selection_y)+1 + renderer.draw_rect(x, selection_min_y, w, selection_h, selection_color) + renderer.draw_rect(x, selection_y, w, line_spacing, caret_color) + + local highlight_align = config.plugins.minimap.highlight_align + local highlight_width = config.plugins.minimap.highlight_width + local gutter_width = config.plugins.minimap.gutter_width + -- time to draw the actual code, setup some local vars that are used in both highlighted and plain renderind. local line_y = y @@ -225,6 +273,19 @@ DocView.draw_scrollbar = function(self) batch_width = 0 end + local highlight_x + if highlight_align == 'left' then + highlight_x = x + else + highlight_x = x + w - highlight_width + end + local function render_highlight(idx, line_y) + local highlight_color = minimap:line_highlight_color(idx) + if highlight_color then + renderer.draw_rect(highlight_x, line_y, highlight_width, line_spacing, highlight_color) + end + end + -- render lines with syntax highlighting if config.plugins.minimap.syntax_highlight then @@ -236,9 +297,11 @@ DocView.draw_scrollbar = function(self) endidx = math.min(endidx, line_count) for idx = minimap_start_line, endidx do batch_syntax_type = nil - batch_start = x + batch_start = x + gutter_width batch_width = 0 + render_highlight(idx, line_y) + -- per token for _, type, text in self.doc.highlighter:each_token(idx) do -- flush prev batch @@ -268,9 +331,11 @@ DocView.draw_scrollbar = function(self) else -- render lines without syntax highlighting for idx = 1, line_count - 1 do - batch_start = x + batch_start = x + gutter_width batch_width = 0 + render_highlight(idx, line_y) + for char in common.utf8_chars(self.doc.lines[idx]) do if char == " " or char == "\n" then flush_batch() @@ -304,3 +369,6 @@ command.add(nil, { config.plugins.minimap.syntax_highlight = not config.plugins.minimap.syntax_highlight end }) + +return minimap + |