Sprinkle use of AK::Vector in various places.

Some of these are less helpful than others. Avoiding a bunch of mallocs
in the event loop wakeup code is definitely nice.

5 files changed, 40 insertions, 37 deletions

diff --git a/Applications/FileManager/DirectoryModel.cpp b/Applications/FileManager/DirectoryModel.cpp
index c15eb0f317..42a25a453e 100644
--- a/Applications/FileManager/DirectoryModel.cpp
+++ b/Applications/FileManager/DirectoryModel.cpp
@@ -26,6 +26,7 @@ int thumbnail_thread(void* model_ptr)
         Vector<String> to_generate;
         {
             LOCKER(thumbnail_cache().lock());
+            to_generate.ensure_capacity(thumbnail_cache().resource().size());
             for (auto& it : thumbnail_cache().resource()) {
                 if (it.value)
                     continue;
diff --git a/Applications/IRCClient/IRCClient.cpp b/Applications/IRCClient/IRCClient.cpp
index 5c53b1e84a..67f1854ba1 100644
--- a/Applications/IRCClient/IRCClient.cpp
+++ b/Applications/IRCClient/IRCClient.cpp
@@ -87,9 +87,9 @@ void IRCClient::receive_from_server()
 void IRCClient::process_line(ByteBuffer&& line)
 {
     Message msg;
-    Vector<char> prefix;
-    Vector<char> command;
-    Vector<char> current_parameter;
+    Vector<char, 32> prefix;
+    Vector<char, 32> command;
+    Vector<char, 256> current_parameter;
     enum {
         Start,
         InPrefix,
diff --git a/Applications/ProcessManager/ProcessModel.cpp b/Applications/ProcessManager/ProcessModel.cpp
index 9679b36815..9ed93c3e86 100644
--- a/Applications/ProcessManager/ProcessModel.cpp
+++ b/Applications/ProcessManager/ProcessModel.cpp
@@ -193,7 +193,7 @@ void ProcessModel::update()
     }
 
     m_pids.clear();
-    Vector<pid_t> pids_to_remove;
+    Vector<pid_t, 16> pids_to_remove;
     for (auto& it : m_processes) {
         if (!live_pids.contains(it.key)) {
             pids_to_remove.append(it.key);
diff --git a/Applications/Terminal/Terminal.cpp b/Applications/Terminal/Terminal.cpp
index a8e6267858..53ceef4cdf 100644
--- a/Applications/Terminal/Terminal.cpp
+++ b/Applications/Terminal/Terminal.cpp
@@ -136,7 +136,7 @@ static inline Color lookup_color(unsigned color)
     return Color::from_rgb(xterm_colors[color]);
 }
 
-void Terminal::escape$m(const Vector<unsigned>& params)
+void Terminal::escape$m(const ParamVector& params)
 {
     if (params.size() == 3 && params[1] == 5) {
         if (params[0] == 38) {
@@ -183,25 +183,25 @@ void Terminal::escape$m(const Vector<unsigned>& params)
     }
 }
 
-void Terminal::escape$s(const Vector<unsigned>&)
+void Terminal::escape$s(const ParamVector&)
 {
     m_saved_cursor_row = m_cursor_row;
     m_saved_cursor_column = m_cursor_column;
 }
 
-void Terminal::escape$u(const Vector<unsigned>&)
+void Terminal::escape$u(const ParamVector&)
 {
     set_cursor(m_saved_cursor_row, m_saved_cursor_column);
 }
 
-void Terminal::escape$t(const Vector<unsigned>& params)
+void Terminal::escape$t(const ParamVector& params)
 {
     if (params.size() < 1)
         return;
     dbgprintf("FIXME: escape$t: Ps: %u\n", params[0]);
 }
 
-void Terminal::escape$r(const Vector<unsigned>& params)
+void Terminal::escape$r(const ParamVector& params)
 {
     unsigned top = 1;
     unsigned bottom = m_rows;
@@ -212,7 +212,7 @@ void Terminal::escape$r(const Vector<unsigned>& params)
     dbgprintf("FIXME: escape$r: Set scrolling region: %u-%u\n", top, bottom);
 }
 
-void Terminal::escape$H(const Vector<unsigned>& params)
+void Terminal::escape$H(const ParamVector& params)
 {
     unsigned row = 1;
     unsigned col = 1;
@@ -223,7 +223,7 @@ void Terminal::escape$H(const Vector<unsigned>& params)
     set_cursor(row - 1, col - 1);
 }
 
-void Terminal::escape$A(const Vector<unsigned>& params)
+void Terminal::escape$A(const ParamVector& params)
 {
     int num = 1;
     if (params.size() >= 1)
@@ -236,7 +236,7 @@ void Terminal::escape$A(const Vector<unsigned>& params)
     set_cursor(new_row, m_cursor_column);
 }
 
-void Terminal::escape$B(const Vector<unsigned>& params)
+void Terminal::escape$B(const ParamVector& params)
 {
     int num = 1;
     if (params.size() >= 1)
@@ -249,7 +249,7 @@ void Terminal::escape$B(const Vector<unsigned>& params)
     set_cursor(new_row, m_cursor_column);
 }
 
-void Terminal::escape$C(const Vector<unsigned>& params)
+void Terminal::escape$C(const ParamVector& params)
 {
     int num = 1;
     if (params.size() >= 1)
@@ -262,7 +262,7 @@ void Terminal::escape$C(const Vector<unsigned>& params)
     set_cursor(m_cursor_row, new_column);
 }
 
-void Terminal::escape$D(const Vector<unsigned>& params)
+void Terminal::escape$D(const ParamVector& params)
 {
     int num = 1;
     if (params.size() >= 1)
@@ -275,7 +275,7 @@ void Terminal::escape$D(const Vector<unsigned>& params)
     set_cursor(m_cursor_row, new_column);
 }
 
-void Terminal::escape$G(const Vector<unsigned>& params)
+void Terminal::escape$G(const ParamVector& params)
 {
     int new_column = 1;
     if (params.size() >= 1)
@@ -285,7 +285,7 @@ void Terminal::escape$G(const Vector<unsigned>& params)
     set_cursor(m_cursor_row, new_column);
 }
 
-void Terminal::escape$d(const Vector<unsigned>& params)
+void Terminal::escape$d(const ParamVector& params)
 {
     int new_row = 1;
     if (params.size() >= 1)
@@ -295,7 +295,7 @@ void Terminal::escape$d(const Vector<unsigned>& params)
     set_cursor(new_row, m_cursor_column);
 }
 
-void Terminal::escape$X(const Vector<unsigned>& params)
+void Terminal::escape$X(const ParamVector& params)
 {
     // Erase characters (without moving cursor)
     int num = 1;
@@ -309,7 +309,7 @@ void Terminal::escape$X(const Vector<unsigned>& params)
     }
 }
 
-void Terminal::escape$K(const Vector<unsigned>& params)
+void Terminal::escape$K(const ParamVector& params)
 {
     int mode = 0;
     if (params.size() >= 1)
@@ -336,7 +336,7 @@ void Terminal::escape$K(const Vector<unsigned>& params)
     }
 }
 
-void Terminal::escape$J(const Vector<unsigned>& params)
+void Terminal::escape$J(const ParamVector& params)
 {
     int mode = 0;
     if (params.size() >= 1)
@@ -370,7 +370,7 @@ void Terminal::escape$J(const Vector<unsigned>& params)
     }
 }
 
-void Terminal::escape$M(const Vector<unsigned>& params)
+void Terminal::escape$M(const ParamVector& params)
 {
     int count = 1;
     if (params.size() >= 1)
@@ -414,7 +414,7 @@ void Terminal::execute_escape_sequence(byte final)
 {
     m_final = final;
     auto paramparts = String((const char*)m_parameters.data(), m_parameters.size()).split(';');
-    Vector<unsigned> params;
+    ParamVector params;
     for (auto& parampart : paramparts) {
         bool ok;
         unsigned value = parse_uint(parampart, ok);
diff --git a/Applications/Terminal/Terminal.h b/Applications/Terminal/Terminal.h
index 724b128772..faee6ed02a 100644
--- a/Applications/Terminal/Terminal.h
+++ b/Applications/Terminal/Terminal.h
@@ -25,6 +25,8 @@ public:
     void apply_size_increments_to_window(GWindow&);
 
 private:
+    typedef Vector<unsigned, 4> ParamVector;
+
     virtual void event(CEvent&) override;
     virtual void paint_event(GPaintEvent&) override;
     virtual void resize_event(GResizeEvent&) override;
@@ -42,22 +44,22 @@ private:
     void unimplemented_escape();
     void unimplemented_xterm_escape();
 
-    void escape$A(const Vector<unsigned>&);
-    void escape$B(const Vector<unsigned>&);
-    void escape$C(const Vector<unsigned>&);
-    void escape$D(const Vector<unsigned>&);
-    void escape$H(const Vector<unsigned>&);
-    void escape$J(const Vector<unsigned>&);
-    void escape$K(const Vector<unsigned>&);
-    void escape$M(const Vector<unsigned>&);
-    void escape$G(const Vector<unsigned>&);
-    void escape$X(const Vector<unsigned>&);
-    void escape$d(const Vector<unsigned>&);
-    void escape$m(const Vector<unsigned>&);
-    void escape$s(const Vector<unsigned>&);
-    void escape$u(const Vector<unsigned>&);
-    void escape$t(const Vector<unsigned>&);
-    void escape$r(const Vector<unsigned>&);
+    void escape$A(const ParamVector&);
+    void escape$B(const ParamVector&);
+    void escape$C(const ParamVector&);
+    void escape$D(const ParamVector&);
+    void escape$H(const ParamVector&);
+    void escape$J(const ParamVector&);
+    void escape$K(const ParamVector&);
+    void escape$M(const ParamVector&);
+    void escape$G(const ParamVector&);
+    void escape$X(const ParamVector&);
+    void escape$d(const ParamVector&);
+    void escape$m(const ParamVector&);
+    void escape$s(const ParamVector&);
+    void escape$u(const ParamVector&);
+    void escape$t(const ParamVector&);
+    void escape$r(const ParamVector&);
 
     void clear();