From 8bc88cb5db84219a5ad4d1c49239607113ec85fa Mon Sep 17 00:00:00 2001
From: Comment <tim@gray.(none)>
Date: Sun, 30 Dec 2012 10:45:58 +0000
Subject: nearly working

---
 fensterTextEditor.layout |   4 +-
 src/testApp.cpp          | 260 +++++++++++++++++++++++++++++------------------
 src/testApp.h            |  18 ++--
 3 files changed, 173 insertions(+), 109 deletions(-)

diff --git a/fensterTextEditor.layout b/fensterTextEditor.layout
index 648eb3c..735e727 100644
--- a/fensterTextEditor.layout
+++ b/fensterTextEditor.layout
@@ -2,9 +2,9 @@
 <CodeBlocks_layout_file>
 	<ActiveTarget name="Debug" />
 	<File name="src/testApp.cpp" open="1" top="1" tabpos="1">
-		<Cursor position="6599" topLine="170" />
+		<Cursor position="6604" topLine="198" />
 	</File>
 	<File name="src/testApp.h" open="1" top="0" tabpos="2">
-		<Cursor position="652" topLine="23" />
+		<Cursor position="1068" topLine="18" />
 	</File>
 </CodeBlocks_layout_file>
diff --git a/src/testApp.cpp b/src/testApp.cpp
index 0cffe26..df59d6e 100755
--- a/src/testApp.cpp
+++ b/src/testApp.cpp
@@ -18,6 +18,8 @@ method to retreive text as a single string with \n's
 
 set box size - draw scrollbar & set scrollpoint - drag to scroll
 
+load & save
+
 architecture :- text editor in a box or a window?
 
 insertion point/ selection - set with mouse -
@@ -39,7 +41,9 @@ void editorWindow::setup(){
 	win->setWindowTitle("editor");
 	win->addListener(this);
 	selected=false;
+	changed=false;
 	text.push_back(string(""));
+	output="";
 }
 void editorWindow::draw(){
     ofDisableAlphaBlending();
@@ -47,17 +51,6 @@ void editorWindow::draw(){
     for (int i=0;i<text.size();i++) {
         ofDrawBitmapString(text[i],10,15+(i*12));
     }
-    //draw blinking cursor
-    /*
-    not trivial if we deal with 1 string with /ns in
-    we have to scan the file for /ns every time we display the blinking cursor
-    is easier with vectors?
-    the difficulty here is that its messy to remember row/column
-    can we even get the height of a string formatted block
-    shorter strings make inserting quicker
-    could have a single string and maintain a vector representing line breaks- however inserting a char meansn having to manipulate the entire vector
-    with a vector of strings and then row/column insertion point its prob better
-    */
     if (selected) {
         ofEnableAlphaBlending();
         ofSetColor(0,128,255,160);
@@ -65,15 +58,13 @@ void editorWindow::draw(){
         if (selectionStart.row==selectionEnd.row) {
             ofRect((selectionStart.column*8)+10,(selectionStart.row*12)+5,(selectionEnd.column-selectionStart.column)*8,12);
         }
-        else if (selectionStart.row<selectionEnd.row) {
+        else {
             ofRect((selectionStart.column*8)+10,(selectionStart.row*12)+5,(text[selectionStart.row].size()-selectionStart.column)*8,12);
             for (int i=selectionStart.row+1;i<selectionEnd.row;i++) {
                 ofRect(10,(i*12)+5,(text[i].size())*8,12);
             }
             ofRect(10,(selectionEnd.row*12)+5,(selectionEnd.column)*8,12);
         }
-        else if (selectionStart.row>selectionEnd.row) {
-        }
         ofDisableAlphaBlending();
     }
     else {
@@ -84,98 +75,105 @@ void editorWindow::draw(){
     }
 
 }
-/*
-	#define OF_KEY_LEFT			(100 | OF_KEY_MODIFIER)
-	#define OF_KEY_UP			(101 | OF_KEY_MODIFIER)
-	#define OF_KEY_RIGHT		(102 | OF_KEY_MODIFIER)
-	#define OF_KEY_DOWN			(103 | OF_KEY_MODIFIER)
-	#define OF_KEY_PAGE_UP		(104 | OF_KEY_MODIFIER)
-	#define OF_KEY_PAGE_DOWN	(105 | OF_KEY_MODIFIER)
-	#define OF_KEY_HOME			(106 | OF_KEY_MODIFIER)
-	#define OF_KEY_END			(107 | OF_KEY_MODIFIER)
-	#define OF_KEY_INSERT
-*/
 void editorWindow::keyPressed(int key){
-    //printf("%i\n",key);
+	printf("%i\n",key);
+	changed=true;
 	vector<string>::iterator i;
 	string t;
 	int l;
-    switch (key) {
-        case OF_KEY_DEL:
-			if (insertionPoint.column<text[insertionPoint.row].size()) {
-			    text[insertionPoint.row].erase(insertionPoint.column,1);
-			}
-			else if (insertionPoint.row<text.size()-1) {
-                text[insertionPoint.row]+=text[insertionPoint.row+1];
-                for (i=text.begin(),l=0;l<=insertionPoint.row;i++,l++) {}
-			    text.erase(i);
-			}
-            break;
-        case OF_KEY_BACKSPACE:
-			if (insertionPoint.column) {
-			    text[insertionPoint.row].erase(insertionPoint.column-1,1);
-			    insertionPoint.column--;
-			}
-			else if (insertionPoint.row) {
-			    insertionPoint.column=text[insertionPoint.row-1].size();
-			    text[insertionPoint.row-1]+=text[insertionPoint.row];
-			    for (i=text.begin(),l=0;l<=insertionPoint.row;i++,l++) {}
-			    text.erase(i);
-			    insertionPoint.row--;
-			}
-            break;
-        case OF_KEY_RETURN:
-			for (i=text.begin(),l=0;l<=insertionPoint.row;i++,l++) {}
-			t=text[insertionPoint.row].substr(insertionPoint.column);
-			text[insertionPoint.row].erase(insertionPoint.column);
-            text.insert(i,t);
-            insertionPoint.row++;
-            insertionPoint.column=0;
-            break;
-        case 267: //OF_KEY_LEFT in fenster
-            insertionPoint.column--;
-            if (insertionPoint.column<0) {
-                if (insertionPoint.row>0) {
-                    insertionPoint.row--;
-                    insertionPoint.column=text[insertionPoint.row].size();
-                }
-                else insertionPoint.column=0;
-            }
-            break;
-        case 269: //OF_KEY_UP in fenster
-            if (insertionPoint.row>0) {
-                insertionPoint.row--;
-                insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
-            }
-            break;
-        case 268: //OF_KEY_RIGHT in fenster
-            insertionPoint.column++;
-            if (insertionPoint.column>text[insertionPoint.row].size()) {
-                if (text.size()>insertionPoint.column) {
-                    insertionPoint.row++;
-                    insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
-                }
-                else insertionPoint.column--;
-            }
-            break;
-        case 270: //OF_KEY_DOWN in fenster
-            if (insertionPoint.row<text.size()) {
-                insertionPoint.row++;
-                insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
-            }
-            break;
-        default:
-            if (key<256) {
-                text[insertionPoint.row].insert(insertionPoint.column,1,(char)key);
-                insertionPoint.column++;
-            }
+	switch (key) {
+	case OF_KEY_DEL:
+	    if (selected) deleteSelection();
+	    else {
+		if (insertionPoint.column<text[insertionPoint.row].size()-1) {
+		    text[insertionPoint.row].erase(insertionPoint.column,1);
+		}
+		else if (insertionPoint.row<text.size()-1) {
+		    text[insertionPoint.row]+=text[insertionPoint.row+1];
+		    i=text.begin()+insertionPoint.row;
+		    text.erase(i);
+		}
+	    }
+	    break;
+	case OF_KEY_BACKSPACE:
+	    if (selected) deleteSelection();
+	    else {
+		if (insertionPoint.column) {
+		    text[insertionPoint.row].erase(insertionPoint.column-1,1);
+		    insertionPoint.column--;
+		}
+		else if (insertionPoint.row) {
+		    insertionPoint.column=text[insertionPoint.row-1].size();
+		    text[insertionPoint.row-1]+=text[insertionPoint.row];
+		    i=text.begin()+insertionPoint.row;
+		    text.erase(i);
+		    insertionPoint.row--;
+		}
+	    }
+	    break;
+	case OF_KEY_RETURN:
+	    deleteSelection();
+		i=text.begin()+insertionPoint.row+1;
+		t=text[insertionPoint.row].substr(insertionPoint.column);
+		text[insertionPoint.row].erase(insertionPoint.column);
+	    text.insert(i,t);
+	    insertionPoint.row++;
+	    insertionPoint.column=0;
+	    break;
+	case OF_KEY_LEFT:
+	    if (insertionPoint.column>0) insertionPoint.column--;
+		else if (insertionPoint.row>0) {
+		    insertionPoint.row--;
+		    insertionPoint.column=text[insertionPoint.row].size();
+		}
+	    break;
+	case OF_KEY_UP: 
+	    if (insertionPoint.row>0) {
+		insertionPoint.row--;
+		insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
+	    }
+	    break;
+	case OF_KEY_RIGHT:
+	    if (insertionPoint.column<text[insertionPoint.row].size()) {
+		insertionPoint.column++;
+	    }
+	    else {
+		if (text.size()>insertionPoint.column) {
+		    insertionPoint.row++;
+		    insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
+		}
+	    }
+	    break;
+	case OF_KEY_DOWN:
+	    if (insertionPoint.row<text.size()-1) {
+		insertionPoint.row++;
+		insertionPoint.column=min(insertionPoint.column,(int)text[insertionPoint.row].size());
+	    }
+	    break;
+	case 24: //ctrl-x
+		setClipboard(getSelection());
+		deleteSelection();
+		break;
+	case 3: //ctrl-c
+		setClipboard(getSelection());
+		break;
+	case 22: //ctrl-v
+		deleteSelection();
+		insertText(string(reinterpret_cast<const char *>(ofxFensterManager::get()->getClipboard())));
+		break;
+	default:
+	    if (key>-1 && key<256) {
+		deleteSelection();
+		text[insertionPoint.row].insert(insertionPoint.column,1,(char)key);
+		insertionPoint.column++;
+	    }
     }
 }
 void editorWindow::keyReleased(int key){
     //key repeat?
 }
 void editorWindow::mousePressed(int x, int y, int button){
-    selected=false;
+   selected=false;
     clickX=x;
     clickY=y;
 }
@@ -185,16 +183,76 @@ void editorWindow::mouseReleased(int x, int y, int button){
     }
 }
 void editorWindow::mouseDragged(int x, int y, int button){
-    selected=true;
-    selectionStart=clickPos(clickX,clickY);
-    selectionEnd=clickPos(x,y);
+	texPt c1=clickPos(clickX,clickY);
+	texPt c2=clickPos(x,y);
+    if ((c1.row==c2.row&&c2.column>c1.column)||c2.row>c1.row) {
+        selectionStart=c1;
+        selectionEnd=c2;
+    }
+    else {
+        selectionStart=c2;
+        selectionEnd=c1;
+    }
+    if (selectionStart.row!=selectionEnd.row||selectionStart.column!=selectionEnd.column) selected=true;
 }
 texPt editorWindow::clickPos(int x,int y) {
     texPt t;
-    t.row=min((int)text.size()-1,(y-5)/12);
-    t.column=min((int)text[insertionPoint.row].size(),(x-10)/8);
+    t.row=max(0,min((int)text.size()-1,(y-5)/12));
+    t.column=max(0,min((int)text[t.row].size(),(x-10)/8));
     return t;
 }
+void editorWindow::insertText(string text){
+	string line;
+	int l=0;
+	//while(std::getline(text, line)) {
+		//if (line==0) 
+	//}
+}
+void editorWindow::setClipboard(string text){
+	char * cstr = new char [text.size()+1];
+	strcpy (cstr, text.c_str());
+	ofxFensterManager::get()->setClipboard(cstr);
+	delete[] cstr;
+}
+string editorWindow::getSelection(){
+	string t=text[selectionStart.row].substr(selectionStart.column);
+	if (selectionStart.row==selectionEnd.row) {
+		t.erase(selectionEnd.column-selectionStart.column);
+	}
+	else {
+		for (int i=selectionStart.row+1;i<selectionEnd.row;i++) {
+			t+="\n";
+			t+=text[i];
+		}
+		t+=text[selectionEnd.row].substr(0,selectionEnd.column);
+	}
+	return t;
+}
+void editorWindow::deleteSelection(){
+    if (selected){
+        string t=text[selectionEnd.row].substr(selectionEnd.column);
+        text[selectionStart.row].erase(selectionStart.column);
+        text[selectionStart.row]+=t;
+        if (selectionEnd.row>selectionStart.row) {
+            vector<string>::iterator i=text.begin()+selectionStart.row+1;
+            vector<string>::iterator j=text.begin()+selectionEnd.row+1;
+            text.erase(i,j);
+        }
+        insertionPoint=selectionStart;
+        selected=false;
+    }
+}
+string editorWindow::getText(){
+	if (changed) {
+		output =="";
+		for (int i=0;i<text.size();i++) {
+			output +=text[i];
+			output +="\n";
+		}
+		changed=false;
+	}
+	return output;
+}
 //--------------------------------------------------------------
 
 void testApp::setup(){
diff --git a/src/testApp.h b/src/testApp.h
index dde4502..52cd191 100755
--- a/src/testApp.h
+++ b/src/testApp.h
@@ -39,15 +39,21 @@ class editorWindow: public ofxFensterListener{
         void keyPressed(int key);
         void keyReleased(int key);
         void mousePressed(int x, int y, int button);
-		void mouseReleased(int x, int y, int button);
-		void mouseDragged(int x, int y, int button);
-		texPt clickPos(int x,int y);
+	void mouseReleased(int x, int y, int button);
+	void mouseDragged(int x, int y, int button);
+	string getText();
     private:
-		vector<string> text;
+        texPt clickPos(int x,int y);
+	void setClipboard(string text);
+	string getSelection();
+	void insertText(string text);
+        void deleteSelection();
+	vector<string> text;
         texPt insertionPoint;
         texPt selectionStart;
-		texPt selectionEnd;
-        bool selected;
+	texPt selectionEnd;
+        bool selected,changed;
+	string output;
         int clickX,clickY;
 };
 
-- 
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