From 2275e9ab7cb53dbb40887028544e80dd39597402 Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Thu, 12 Jan 2017 20:30:40 +0100
Subject: Opening and saving

---
 manager.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 46 insertions(+), 16 deletions(-)

(limited to 'manager.cpp')

diff --git a/manager.cpp b/manager.cpp
index 059a33f..af8844c 100644
--- a/manager.cpp
+++ b/manager.cpp
@@ -15,20 +15,38 @@ void Manager::receive(const Command &cmd){
 	if(cmd[0]=="open_file"){
 		buffers.emplace_back(this);
 		buffers.back().receive(cmd);
-		if(activeIdx==-1)activeIdx=buffers.size()-1;
-	} else if(cmd[0]=="error"){
+		activeIdx=buffers.size()-1;
+	} else if(cmd[0]=="open_prompt"){
+		Maybe<string> mfname=runPrompt("open: ");
+		if(mfname.isNothing())return;
+		buffers.emplace_back(this);
+		buffers.back().receive({"open_file",mfname.fromJust()});
+		activeIdx=buffers.size()-1;
+	} else if(cmd[0]=="save_prompt"){
+		if(activeIdx==-1){
+			receive({"error","No buffers open!"});
+			return;
+		}
+		Maybe<string> mfname=runPrompt("save: ");
+		if(mfname.isNothing())return;
+		buffers[activeIdx].filename=mfname.fromJust();
+		buffers[activeIdx].receive({"save_file"});
+	} else if(cmd[0]=="error"||cmd[0]=="info"){
+		if(!have_screen)return;
+		bool isError=cmd[0]=="error";
 		pushcursor();
 		Size termsize=gettermsize();
-		Style errorStyle={1,9,true,false};
+		Style style={isError?1:9,9,isError,false};
 		fillrect(0,termsize.h-1,termsize.w,1,' ');
 		moveto(0,termsize.h-1);
-		setstyle(&errorStyle);
+		setstyle(&style);
 		tprintf("%s",cmd[1].data());
 		popcursor();
 	} else if(cmd[0]=="quit_app"){
 		should_quit=true;
 	} else if(cmd[0]=="display_prompt"){
-		runPrompt();
+		Maybe<string> mline=runPrompt(":");
+		if(mline.isJust())receive({"info",{mline.fromJust()}});
 	} else {
 		if(activeIdx==-1)bel();
 		else buffers[activeIdx].receive(cmd);
@@ -94,6 +112,7 @@ void Manager::show(){
 	pushcursor();
 	moveto(0,0);
 	setstyle(&backStyle);
+	fillrect(0,0,termsize.w,1,' ');
 	if(print_start>=hilight_start+hilight_len||print_start+termsize.w<=hilight_start){
 		string text=bartext.substr(print_start,termsize.w);
 		tprintf("%s",text.data());
@@ -113,19 +132,23 @@ void Manager::show(){
 }
 
 class TermioRAII{
+	bool *variable;
+
 public:
-	TermioRAII(){
+	TermioRAII(bool *variable):variable(variable){
 		initscreen();
 		initkeyboard(true);
+		*variable=true;
 	}
 	~TermioRAII(){
+		*variable=false;
 		endkeyboard();
 		endscreen();
 	}
 };
 
 int Manager::io(){
-	TermioRAII termioRAII;
+	TermioRAII termioRAII(&have_screen);
 
 	if(activeIdx==-1){
 		buffers.emplace_back(this);
@@ -156,10 +179,17 @@ int Manager::io(){
 }
 
 
-void Manager::runPrompt(){
+//Returns entered text, or Nothing if cancelled
+Maybe<string> Manager::runPrompt(const string &promptString){
 	Size termsize=gettermsize();
 	moveto(0,termsize.h-1);
-	tputc(':');
+	i64 leftX=promptString.size();
+	if((i64)promptString.size()>termsize.w*3/4){
+		string truncated(promptString.begin(),promptString.begin()+(termsize.w*3/4-3));
+		tprintf("%s...",truncated.data());
+	} else {
+		tprintf("%s",promptString.data());
+	}
 
 	global_keyinput.cancel();
 
@@ -167,7 +197,7 @@ void Manager::runPrompt(){
 	Buffer promptBuffer(this,true);
 	while(true){
 		termsize=gettermsize();
-		promptBuffer.show(1,termsize.h-1,termsize.w-1,1);
+		promptBuffer.show(leftX,termsize.h-1,termsize.w-leftX,1);
 		redraw();
 
 		int key=tgetkey();
@@ -178,14 +208,14 @@ void Manager::runPrompt(){
 				bel();
 			}
 		} else {
-			if(ret.fromRight()[0]=="insert_newline"){
-				inputLine=promptBuffer.getText();
-				break;
+			Command cmd=ret.fromRight();;
+			if(cmd[0]=="insert_newline"){
+				return promptBuffer.getText();
+			} else if(cmd[0]=="cancel"){
+				return {};
 			} else {
-				promptBuffer.receive(ret.fromRight());
+				promptBuffer.receive(cmd);
 			}
 		}
 	}
-
-	receive({"error",inputLine});
 }
-- 
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