From b1c123977d5458cf88174f4ee8efa114531f798c Mon Sep 17 00:00:00 2001
From: Krzosa Karol <krzosa.karol@gmail.com>
Date: Mon, 22 Jul 2024 15:26:39 +0200
Subject: [PATCH] Fix line numbers

---
 src/text_editor/text_editor.cpp |  4 ++--
 src/text_editor/view_draw.cpp   | 21 ++++++++++++++-------
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/text_editor/text_editor.cpp b/src/text_editor/text_editor.cpp
index 4975551..4fb7645 100644
--- a/src/text_editor/text_editor.cpp
+++ b/src/text_editor/text_editor.cpp
@@ -78,10 +78,10 @@ int main(void) {
         Add(&view.carets, {0, 0});
         view.buffer = CreateBuffer(Perm);
         // LoadUnicode(view.buffer);
-        // LoadBigTextAndBigLine(view.buffer);
+        LoadBigTextAndBigLine(view.buffer);
         // LoadBigLine(view.buffer);
         // LoadBigText(view.buffer);
-        LoadTextA(view.buffer);
+        // LoadTextA(view.buffer);
         // LoadLine(view.buffer);
     }
 
diff --git a/src/text_editor/view_draw.cpp b/src/text_editor/view_draw.cpp
index 1fde216..aee2835 100644
--- a/src/text_editor/view_draw.cpp
+++ b/src/text_editor/view_draw.cpp
@@ -180,28 +180,35 @@ void DrawView(View &view) {
 
     // Draw line numbers
     {
-        DrawRectangleRec(ToRectangle(view.line_numbers_rect), ColorBackground);
+        Rect2I r = view.line_numbers_rect;
+        DrawRectangleRec(ToRectangle(r), ColorBackground);
+        BeginScissorMode((int)r.min.x, (int)r.min.y, (int)r.max.x - (int)r.min.x, (int)r.max.y - (int)r.min.y);
+
         Rect2I vlines = GetVisibleCells(view);
         for (Int line = vlines.min.y; line <= vlines.max.y; line += 1) {
             Scratch scratch;
             Vec2I   pos = {0, line * view.line_spacing};
-            pos -= view.scroll;
-            pos += view.line_numbers_rect.min;
+            pos.y -= view.scroll.y;
+            pos += r.min;
             String   s      = Format(scratch, "%lld", (long long)line);
             String16 string = ToString16(scratch, s);
             float    x      = MeasureTextEx(view.font, s.data, (float)view.font_size, (float)view.font_spacing).x;
             Vec2     p      = ToVec2(pos);
-            p.x += (GetSize(view.line_numbers_rect).x - x) / 2.f;
+            float    rectx  = (float)GetSize(r).x;
+            p.x += (rectx - x) / 2.f;
+            if (x > rectx) p.x = 0;
             DrawString(view.font, string, p, (float)view.font_size, (float)view.font_spacing, ColorTextLineNumbers);
         }
+
+        EndScissorMode();
     }
 
     // Draw info bar
     {
-        DrawRectangleRec(ToRectangle(view.infobar_rect), ColorScrollbarBackground);
-
+        Rect2I r = view.infobar_rect;
+        DrawRectangleRec(ToRectangle(r), ColorScrollbarBackground);
         {
-            Vec2     p = ToVec2(view.infobar_rect.min);
+            Vec2     p = ToVec2(r.min);
             Scratch  scratch;
             Caret    caret  = view.carets[0];
             XY       xy     = PosToXY(*view.buffer, GetFront(caret));