From e0a82ef957e9e8c08529f70f13c9efd7a74c019d Mon Sep 17 00:00:00 2001
From: Jonas Hahn <jonashahn1@gmx.net>
Date: Mon, 3 Nov 2025 14:25:21 +0100
Subject: [PATCH] Add deletion for drawings

---
 lua/typstar/drawings.lua      | 54 +++++++++++++++++++++++++++++++++++
 lua/typstar/init.lua          |  2 ++
 lua/typstar/snippets/math.lua |  7 +++--
 3 files changed, 61 insertions(+), 2 deletions(-)

diff --git a/lua/typstar/drawings.lua b/lua/typstar/drawings.lua
index 8825b86..e181a0d 100644
--- a/lua/typstar/drawings.lua
+++ b/lua/typstar/drawings.lua
@@ -104,10 +104,64 @@ local open_drawing = function(prov)
     end
 end
 
+local function delete_drawing(provider)
+    local cfg = provider[1]
+    local line_num = vim.api.nvim_win_get_cursor(0)[1] - 1
+    local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
+
+    -- Find the start and end of the #figure() block containing the filename
+    local start_line, end_line
+    for i = line_num, 0, -1 do
+        if lines[i + 1]:match("^#figure%(") then
+            start_line = i
+            break
+        end
+    end
+    for i = line_num, #lines - 1 do
+        if lines[i + 1]:match("%)$") then
+            end_line = i
+            break
+        end
+    end
+
+    if not start_line or not end_line then
+        print("No #figure() block found on current line")
+        return
+    end
+
+    -- Extract filename from the block
+    local block_text = table.concat(vim.api.nvim_buf_get_lines(0, start_line, end_line + 1, false), "\n")
+    local filename = block_text:match('image%("%s*(.-)%s*"%)')
+    if not filename then
+        print("No image filename found in #figure() block")
+        return
+    end
+
+    local path = vim.fn.expand('%:p:h') .. '/' .. filename
+    local path_export = vim.fn.expand('%:p:h') .. '/' .. filename:match("^(.*)%.")
+
+    -- Delete files if they exist
+    if vim.fn.filereadable(path) == 1 then os.remove(path) end
+    if vim.fn.filereadable(path_export) == 1 then os.remove(path_export) end
+
+    -- Delete the lines of the #figure() block
+    vim.api.nvim_buf_set_lines(0, start_line, end_line + 1, false, {})
+
+    print("Deleted drawing: " .. filename)
+end
+
+function M.delete_obsidian_excalidraw() delete_drawing(excalidraw) end
+
+function M.delete_rnote() delete_drawing(rnote) end
+
 function M.insert_obsidian_excalidraw() insert_drawing(excalidraw) end
+
 function M.insert_rnote() insert_drawing(rnote) end
+
 function M.open_obsidian_excalidraw() open_drawing({ excalidraw }) end
+
 function M.open_rnote() open_drawing({ rnote }) end
+
 function M.open_drawing() open_drawing(providers) end
 
 return M
diff --git a/lua/typstar/init.lua b/lua/typstar/init.lua
index 058dfdc..5772c6b 100644
--- a/lua/typstar/init.lua
+++ b/lua/typstar/init.lua
@@ -14,7 +14,9 @@ M.setup = function(args)
     vim.api.nvim_create_user_command('TypstarSmartJumpBack', function() M.smart_jump(-1) end, {})
 
     vim.api.nvim_create_user_command('TypstarInsertExcalidraw', drawings.insert_obsidian_excalidraw, {})
+    vim.api.nvim_create_user_command('TypstarDeleteExcalidraw', drawings.delete_obsidian_excalidraw, {})
     vim.api.nvim_create_user_command('TypstarInsertRnote', drawings.insert_rnote, {})
+    vim.api.nvim_create_user_command('TypstarDeleteRnote', drawings.delete_rnote, {})
     vim.api.nvim_create_user_command('TypstarOpenExcalidraw', drawings.open_obsidian_excalidraw, {})
     vim.api.nvim_create_user_command('TypstarOpenRnote', drawings.open_rnote, {})
     vim.api.nvim_create_user_command('TypstarOpenDrawing', drawings.open_drawing, {})
diff --git a/lua/typstar/snippets/math.lua b/lua/typstar/snippets/math.lua
index a147365..f94252e 100644
--- a/lua/typstar/snippets/math.lua
+++ b/lua/typstar/snippets/math.lua
@@ -38,10 +38,13 @@ return {
     snip('pl', '+ ', {}, math),
     snip('nl', '\\ \n<>', {i(1)}, math),
     snip('pm', '+- ', {}, math),
-    snip('nx', ', space ', {}, math),
-    snip('nbx', ', quad ', {}, math),
+    snip('nx', '\\, space ', {}, math),
+    snip('nbx', '\\, quad ', {}, math),
+    snip('deg', 'degree ', {}, math),
     snip('ta', 'star ', {}, math),
     snip('del', 'Delta ', {}, math),
+    snip('apr', 'approx ', {}, math),
+    snip('pal', 'parallel ', {}, math),
 
     -- operators
     snip('ak([^k ])', '+ <>', { cap(1) }, math, 100, { wordTrig = false }),