From 5c53cc30550b59d512a4bb73888af8cbc43ebb4f Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Mon, 5 Feb 2007 23:24:54 +0000
Subject: [PATCH 1/1] Some more keys for the console

SVN-Revision: 4815
---
 src/console.cpp                            | 28 ++++++++++++++++++++++++----
 src/console.hpp                            |  2 ++
 src/control/joystickkeyboardcontroller.cpp | 13 +++++++++++--
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/console.cpp b/src/console.cpp
index 1408bbde5..fc5c1cc0f 100644
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -19,6 +19,7 @@
 #include <config.h>
 
 #include <iostream>
+#include <SDL_timer.h>
 #include "console.hpp"
 #include "video/drawing_context.hpp"
 #include "video/surface.hpp"
@@ -73,9 +74,7 @@ Console::flush(ConsoleStreamBuffer* buffer)
     std::string s = inputBuffer.str();
     if ((s.length() > 0) && ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r'))) {
       while ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r')) s.erase(s.length()-1);
-      addLines("> "+s);
-      parse(s);
-      inputBuffer.str(std::string());
+      enter();
     }
   }
 }
@@ -158,6 +157,15 @@ Console::backspace()
 }
 
 void
+Console::enter()
+{
+  std::string s = inputBuffer.str();
+  addLines("> "+s);
+  parse(s);
+  inputBuffer.str(std::string());
+}
+
+void
 Console::scroll(int numLines)
 {
   offset += numLines;
@@ -183,6 +191,14 @@ Console::show_history(int offset)
   }
 }
 
+void 
+Console::move_cursor(int offset)
+{
+  if (offset == -65535) inputBuffer.pubseekoff(0, std::ios_base::beg, std::ios_base::out);
+  if (offset == +65535) inputBuffer.pubseekoff(0, std::ios_base::end, std::ios_base::out);
+  inputBuffer.pubseekoff(offset, std::ios_base::cur, std::ios_base::out);
+}
+
 // Helper functions for Console::autocomplete
 // TODO: Fix rough documentation
 namespace {
@@ -458,7 +474,11 @@ Console::draw(DrawingContext& context)
   if (focused) {
     lineNo++;
     float py = height-4-1 * font->get_height();
-    context.draw_text(font.get(), "> "+inputBuffer.str()+"_", Vector(4, py), ALIGN_LEFT, layer);
+    context.draw_text(font.get(), "> "+inputBuffer.str(), Vector(4, py), ALIGN_LEFT, layer);
+    if (SDL_GetTicks() % 1000 < 750) {
+      int cursor_px = 2 + inputBuffer.pubseekoff(0, std::ios_base::cur, std::ios_base::out);
+      context.draw_text(font.get(), "_", Vector(4 + (cursor_px * font->get_text_width("X")), py), ALIGN_LEFT, layer);
+    }
   }
 
   int skipLines = -offset;
diff --git a/src/console.hpp b/src/console.hpp
index 83ea2fe07..94043e80d 100644
--- a/src/console.hpp
+++ b/src/console.hpp
@@ -49,9 +49,11 @@ public:
   void init_graphics();
 
   void backspace(); /**< delete last character sent to the input stream */
+  void enter(); /**< process and clear input stream */
   void scroll(int offset); /**< scroll console text up or down by @c offset lines */
   void autocomplete(); /**< autocomplete current command */
   void show_history(int offset); /**< move @c offset lines forward through history; Negative offset moves backward */
+  void move_cursor(int offset); /**< move the cursor @c offset chars to the right; Negative offset moves backward; 0xFFFF moves to the end */
 
   void draw(DrawingContext& context); /**< draw the console in a DrawingContext */
   void update(float elapsed_time);
diff --git a/src/control/joystickkeyboardcontroller.cpp b/src/control/joystickkeyboardcontroller.cpp
index 5e2455af5..d386a80a4 100644
--- a/src/control/joystickkeyboardcontroller.cpp
+++ b/src/control/joystickkeyboardcontroller.cpp
@@ -392,7 +392,7 @@ JoystickKeyboardController::process_console_key_event(const SDL_Event& event)
 
   switch (event.key.keysym.sym) {
     case SDLK_RETURN:
-      Console::instance->input << std::endl;
+      Console::instance->enter();
       break;
     case SDLK_BACKSPACE:
       Console::instance->backspace();
@@ -406,8 +406,11 @@ JoystickKeyboardController::process_console_key_event(const SDL_Event& event)
     case SDLK_PAGEDOWN:
       Console::instance->scroll(+1);
       break;
+    case SDLK_HOME:
+      Console::instance->move_cursor(-65535);
+      break;
     case SDLK_END:
-      Console::instance->scroll(+65535);
+      Console::instance->move_cursor(+65535);
       break;
     case SDLK_UP:
       Console::instance->show_history(-1);
@@ -415,6 +418,12 @@ JoystickKeyboardController::process_console_key_event(const SDL_Event& event)
     case SDLK_DOWN:
       Console::instance->show_history(+1);
       break;
+    case SDLK_LEFT:
+      Console::instance->move_cursor(-1);
+      break;
+    case SDLK_RIGHT:
+      Console::instance->move_cursor(+1);
+      break;
     default:
       int c = event.key.keysym.unicode;
       if ((c >= 32) && (c <= 126)) {
-- 
2.11.0