Terminal+LibVT: Resize Terminal app window when requested by VT

This will allow us to react to things like DECCOLM.

3 files changed, 7 insertions, 0 deletions

diff --git a/Userland/Applications/Terminal/main.cpp b/Userland/Applications/Terminal/main.cpp
index 200a569125..bc282835f4 100644
--- a/Userland/Applications/Terminal/main.cpp
+++ b/Userland/Applications/Terminal/main.cpp
@@ -372,6 +372,9 @@ int main(int argc, char** argv)
     terminal.on_title_change = [&](auto& title) {
         window->set_title(title);
     };
+    terminal.on_terminal_size_change = [&](auto& size) {
+        window->resize(size);
+    };
     terminal.apply_size_increments_to_window(*window);
     window->show();
     window->set_icon(app_icon.bitmap_for_size(16));
diff --git a/Userland/Libraries/LibVT/TerminalWidget.cpp b/Userland/Libraries/LibVT/TerminalWidget.cpp
index c38a0f7600..0cda393bf4 100644
--- a/Userland/Libraries/LibVT/TerminalWidget.cpp
+++ b/Userland/Libraries/LibVT/TerminalWidget.cpp
@@ -954,6 +954,9 @@ void TerminalWidget::terminal_did_resize(u16 columns, u16 rows)
     m_pixel_width = pixel_size.width();
     m_pixel_height = pixel_size.height();
 
+    if (on_terminal_size_change)
+        on_terminal_size_change(Gfx::IntSize { m_pixel_width, m_pixel_height });
+
     if (m_automatic_size_policy) {
         set_fixed_size(m_pixel_width, m_pixel_height);
     }
diff --git a/Userland/Libraries/LibVT/TerminalWidget.h b/Userland/Libraries/LibVT/TerminalWidget.h
index 49d76ca4b4..5550de3fe1 100644
--- a/Userland/Libraries/LibVT/TerminalWidget.h
+++ b/Userland/Libraries/LibVT/TerminalWidget.h
@@ -101,6 +101,7 @@ public:
     void clear_including_history();
 
     Function<void(const StringView&)> on_title_change;
+    Function<void(const Gfx::IntSize&)> on_terminal_size_change;
     Function<void()> on_command_exit;
 
     GUI::Menu& context_menu() { return *m_context_menu; }