Rework the rendering model so that clients instantiate backing stores.

This makes interactive resizing work a lot better, althought it's still not
perfect. There are still glitches and unpleasant flashes of zeroed memory.

2 files changed, 7 insertions, 0 deletions

diff --git a/Applications/Terminal/Terminal.cpp b/Applications/Terminal/Terminal.cpp
index e9f63cf551..52130340a1 100644
--- a/Applications/Terminal/Terminal.cpp
+++ b/Applications/Terminal/Terminal.cpp
@@ -760,3 +760,9 @@ void Terminal::force_repaint()
     m_need_full_flush = true;
     update();
 }
+
+void Terminal::resize_event(GResizeEvent&)
+{
+    m_needs_background_fill = true;
+    force_repaint();
+}
diff --git a/Applications/Terminal/Terminal.h b/Applications/Terminal/Terminal.h
index a51c7b3ad9..e2b622cd20 100644
--- a/Applications/Terminal/Terminal.h
+++ b/Applications/Terminal/Terminal.h
@@ -24,6 +24,7 @@ public:
 private:
     virtual void event(GEvent&) override;
     virtual void paint_event(GPaintEvent&) override;
+    virtual void resize_event(GResizeEvent&) override;
     virtual void keydown_event(GKeyEvent&) override;
     virtual const char* class_name() const override { return "Terminal"; }