From 4f74d1400180ca4ad7cfcd1903386fda8779818d Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Fri, 18 Sep 2026 12:25:58 +0200
Subject: feat: improve layout and themes

---
 src/main.cpp | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index b96a74a..4b0aee4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,7 +3,63 @@
 
 #include "debugger/debugger.h"
 
+#include <algorithm>
+#include <charconv>
+#include <cstdlib>
+#include <filesystem>
 #include <span>
+#include <string_view>
+
+namespace
+{
+    // dev aid: HSDBG_WINDOW=<w>x<h> sizes the window, and HSDBG_BREAK=<file>:<line>
+    // plants a breakpoint and launches as soon as the target loads, so a capture
+    // (HSDBG_CAPTURE) lands on a stopped target with every panel populated
+    auto dev_window_size(Hsdbg::ApplicationSpec& spec) -> void
+    {
+        const char* text = std::getenv("HSDBG_WINDOW");
+        if (text == nullptr)
+            return;
+
+        const std::string_view value(text);
+        const size_t x = value.find('x');
+        if (x == std::string_view::npos)
+            return;
+
+        std::from_chars(value.data(), value.data() + x, spec.width);
+        std::from_chars(value.data() + x + 1, value.data() + value.size(), spec.height);
+    }
+
+    auto dev_break_and_launch(Hsdbg::Debugger& debugger) -> void
+    {
+        const char* text = std::getenv("HSDBG_BREAK");
+        if (text == nullptr || !debugger.has_target())
+            return;
+
+        const std::string_view value(text);
+        const size_t colon = value.rfind(':');
+        if (colon == std::string_view::npos)
+            return;
+
+        uint32_t line = 0;
+        std::from_chars(value.data() + colon + 1, value.data() + value.size(), line);
+
+        // pick the target's own path for the file so it matches what lldb reports
+        const std::string_view name = value.substr(0, colon);
+        const std::span<const std::filesystem::path> files = debugger.source_files();
+        const auto known = std::ranges::find_if(files, [&](const std::filesystem::path& candidate)
+        {
+            return candidate.filename() == name;
+        });
+
+        debugger.add_breakpoint(known != files.end() ? *known : std::filesystem::path(name), line);
+
+        Hsdbg::LaunchSpec launch;
+        launch.executable = debugger.target_path();
+        if (const auto result = debugger.launch(launch); !result)
+            Hsdbg::Log::error("{}", result.error());
+    }
+}
 
 auto main(int argc, char** argv) -> int
 {
@@ -13,6 +69,7 @@ auto main(int argc, char** argv) -> int
     spec.name = "hsdbg";
     spec.width = 1600;
     spec.height = 900;
+    dev_window_size(spec);
 
     Hsdbg::Application app(spec);
 
@@ -20,6 +77,8 @@ auto main(int argc, char** argv) -> int
     {
         if (const auto result = app.debugger().load_target(arguments[1]); !result)
             Hsdbg::Log::error("{}", result.error());
+
+        dev_break_and_launch(app.debugger());
     }
 
     app.run();
-- 
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