From 2b6208917e92d93f94ad6620c5135d1bcd237ea8 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sat, 9 Feb 2008 10:08:30 +0000
Subject: command completion (single match)

---
 src/client/console.cc | 113 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 93 insertions(+), 20 deletions(-)

(limited to 'src/client/console.cc')

diff --git a/src/client/console.cc b/src/client/console.cc
index 83d69de..71f3d5a 100644
--- a/src/client/console.cc
+++ b/src/client/console.cc
@@ -41,17 +41,18 @@ public:
 // private client console object
 Console console;
 
-// client console input
-std::string input;
-
 // console text data
 std::deque<std::string> text;
 
+// input history
+std::deque<std::string> history;
+std::deque<std::string>::reverse_iterator history_pos;
+size_t input_pos = 0;
+
 // console visibility
 bool console_visible;
-
 size_t console_scroll = 0;
-size_t input_pos = 0;
+
 
 //--- engine functions --------------------------------------------
 
@@ -65,11 +66,19 @@ extern "C" void func_con_toggle(std::stringstream &args)
 void init()
 {
 	con_print << "Initializing console..." << std::endl;
-
+	
 	console_visible = false;	
-
+	
 	// add engine functions
 	core::func::add("con_toggle", func_con_toggle);
+	
+	text.clear();
+	console_scroll = 0;	
+
+	history.clear();
+	history.push_back("");
+	history_pos = history.rbegin();
+	input_pos = 0;
 }
 
 void shutdown()
@@ -78,6 +87,12 @@ void shutdown()
 
 	// remove engine functions
 	core::func::remove("con_toggle");
+	
+	text.clear();
+	console_scroll = 0;	
+
+	history.clear();
+	input_pos = 0;
 }
 
 void draw()
@@ -140,12 +155,12 @@ void draw()
 
 	// draw the console input
 	gl::color(0.0f, 1.0f, 0.0f, 1.0f);
-	draw_text(CHARWIDTH, video::height*con_height - CHARHEIGHT - 4, input);
+	draw_text(CHARWIDTH, video::height*con_height - CHARHEIGHT - 4, (*history_pos));
 
 	// draw cursor
 	if ((core::time() - ::floorf(core::time())) < 0.5f) {
 		std::string cursor("_");
-		draw_text(CHARWIDTH*(input.size()+1), video::height*con_height - CHARHEIGHT - 4 , cursor);
+		draw_text(CHARWIDTH*(input_pos+1), video::height*con_height - CHARHEIGHT - 4 , cursor);
 	}
 	gl::disable(GL_TEXTURE_2D);
 }
@@ -168,23 +183,76 @@ void toggle()
 {
 	console_visible = !console_visible;
 	setkeyboardmode(console_visible);
-	console_scroll = 0;
-	input.clear();
-	input_pos = 0;
+	
+	if (console_visible) {
+		console_scroll = 0;
+		input_pos = 0;
+
+		history_pos = history.rbegin();
+		(*history_pos).clear();
+	}
 }
 
 void keypressed(const SDL_keysym &keysym)
 {
+	std::deque<std::string>::reverse_iterator upit;
+
 	switch( keysym.sym ) {
+	case SDLK_TAB:
+		core::commandbuffer::complete( (*history_pos), input_pos);
+		break;
 	case SDLK_RETURN:
-		if (input.size()) {
-			core::cmd << input << std::endl;
-			input.clear();	
+		if ((*history_pos).size()) {
+			// store input into history
+			while (history.size() >= MAXHISTOLINES) {
+				history.pop_front();
+			}
+
+			core::cmd << (*history_pos) << std::endl;
+
+			history.push_back("");
+			history_pos = history.rbegin();
+			input_pos = 0;
+		}
+		break;
+	case SDLK_KP8:
+	case SDLK_UP:
+		upit = history_pos;
+		++upit;
+		if (upit != history.rend()) {
+			history_pos = upit;
+			input_pos = (*history_pos).size();
+		}
+		break;
+	case SDLK_KP2:
+	case SDLK_DOWN:
+		if (history_pos != history.rbegin()) {
+			--history_pos;
+			input_pos = (*history_pos).size();
 		}
 		break;
+	case SDLK_KP7:
+	case SDLK_HOME:
+		input_pos = 0;
+		break;
+	case SDLK_KP1:
+	case SDLK_END:
+		input_pos = (*history_pos).size();
+		break;
+	case SDLK_KP4:
+	case SDLK_LEFT:
+		if (input_pos > 0)
+			input_pos--;
+		break;
+	case SDLK_KP6:
+	case SDLK_RIGHT:
+		if (input_pos <= (*history_pos).size())
+			input_pos++;
+		break;
 	case SDLK_BACKSPACE:
-		if (input.size()) {
-			input.erase(input.size()-1, 1);
+		if ((*history_pos).size() && input_pos) {
+			(*history_pos).erase(input_pos-1, 1);
+			input_pos--;
 		}
 		break;
 	case SDLK_PAGEUP:
@@ -196,12 +264,17 @@ void keypressed(const SDL_keysym &keysym)
 		else console_scroll = 0;
 		break;
 	default:
+		if ((keysym.sym >= 32 ) && (keysym.sym <175)) {
+			if (input_pos == (*history_pos).size())
+				(*history_pos) += keysym_to_char(keysym);
+			else
+				(*history_pos).insert(input_pos, 1, keysym_to_char(keysym));
+			input_pos++;
+		}
 		break;
 	}
 
-	if ((keysym.sym >= 32 ) && (keysym.sym <175)) {
-		input += keysym_to_char(keysym);
-	}
+	
 }
 
 bool visible()
-- 
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