From 82e1e16580b4832e1241ceb9e38906e660baec85 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Sat, 22 Sep 2018 14:05:32 +0200
Subject: extend selection

---
 src/gui/mainmenu.cpp  | 24 +++++++++++++++++
 src/gui/mainmenu.h    |  4 +++
 src/gui/mainmenu.ui   | 12 ++++-----
 src/gui/tikzscene.cpp | 75 ++++++++++++++++++++++++++++++++++++++++++++++++---
 src/gui/tikzscene.h   |  4 +++
 5 files changed, 110 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/gui/mainmenu.cpp b/src/gui/mainmenu.cpp
index 6bbc95a..ca837fa 100644
--- a/src/gui/mainmenu.cpp
+++ b/src/gui/mainmenu.cpp
@@ -132,6 +132,30 @@ void MainMenu::on_actionRotateCCW_triggered() {
         tikzit->activeWindow()->tikzScene()->rotateNodes(false);
 }
 
+void MainMenu::on_actionExtendUp_triggered()
+{
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzScene()->extendSelectionUp();
+}
+
+void MainMenu::on_actionExtendDown_triggered()
+{
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzScene()->extendSelectionDown();
+}
+
+void MainMenu::on_actionExtendLeft_triggered()
+{
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzScene()->extendSelectionLeft();
+}
+
+void MainMenu::on_actionExtendRight_triggered()
+{
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzScene()->extendSelectionRight();
+}
+
 
 // Tikz
 void MainMenu::on_actionParse_triggered()
diff --git a/src/gui/mainmenu.h b/src/gui/mainmenu.h
index b561eab..7132dde 100644
--- a/src/gui/mainmenu.h
+++ b/src/gui/mainmenu.h
@@ -54,6 +54,10 @@ public slots:
     void on_actionReflectVertical_triggered();
     void on_actionRotateCW_triggered();
     void on_actionRotateCCW_triggered();
+    void on_actionExtendUp_triggered();
+    void on_actionExtendDown_triggered();
+    void on_actionExtendLeft_triggered();
+    void on_actionExtendRight_triggered();
 
     // Tikz
     void on_actionParse_triggered();
diff --git a/src/gui/mainmenu.ui b/src/gui/mainmenu.ui
index 1517fb1..d144fce 100644
--- a/src/gui/mainmenu.ui
+++ b/src/gui/mainmenu.ui
@@ -33,8 +33,8 @@
     </property>
     <addaction name="actionExtendLeft"/>
     <addaction name="actionExtendRight"/>
-    <addaction name="actionExtendAbove"/>
-    <addaction name="actionExtendBelow"/>
+    <addaction name="actionExtendUp"/>
+    <addaction name="actionExtendDown"/>
    </widget>
    <widget class="QMenu" name="menuReorder">
     <property name="title">
@@ -276,17 +276,17 @@
     <string>Shift+Right</string>
    </property>
   </action>
-  <action name="actionExtendAbove">
+  <action name="actionExtendUp">
    <property name="text">
-    <string>Above</string>
+    <string>Upward</string>
    </property>
    <property name="shortcut">
     <string>Shift+Up</string>
    </property>
   </action>
-  <action name="actionExtendBelow">
+  <action name="actionExtendDown">
    <property name="text">
-    <string>Below</string>
+    <string>Downward</string>
    </property>
    <property name="shortcut">
     <string>Shift+Down</string>
diff --git a/src/gui/tikzscene.cpp b/src/gui/tikzscene.cpp
index 1c6f0bb..947620f 100644
--- a/src/gui/tikzscene.cpp
+++ b/src/gui/tikzscene.cpp
@@ -105,6 +105,78 @@ void TikzScene::graphReplaced()
     }
 }
 
+void TikzScene::extendSelectionUp()
+{
+    bool found = false;
+    float m = 0.0f;
+    foreach (Node *n, getSelectedNodes()) {
+        if (!found) {
+            m = n->point().y();
+            found = true;
+        } else {
+            if (n->point().y() > m) m = n->point().y();
+        }
+    }
+
+    foreach (NodeItem *ni, nodeItems().values()) {
+        if (ni->node()->point().y() >= m) ni->setSelected(true);
+    }
+}
+
+void TikzScene::extendSelectionDown()
+{
+    bool found = false;
+    float m = 0.0f;
+    foreach (Node *n, getSelectedNodes()) {
+        if (!found) {
+            m = n->point().y();
+            found = true;
+        } else {
+            if (n->point().y() < m) m = n->point().y();
+        }
+    }
+
+    foreach (NodeItem *ni, nodeItems().values()) {
+        if (ni->node()->point().y() <= m) ni->setSelected(true);
+    }
+}
+
+void TikzScene::extendSelectionLeft()
+{
+    bool found = false;
+    float m = 0.0f;
+    foreach (Node *n, getSelectedNodes()) {
+        if (!found) {
+            m = n->point().x();
+            found = true;
+        } else {
+            if (n->point().x() < m) m = n->point().x();
+        }
+    }
+
+    foreach (NodeItem *ni, nodeItems().values()) {
+        if (ni->node()->point().x() <= m) ni->setSelected(true);
+    }
+}
+
+void TikzScene::extendSelectionRight()
+{
+    bool found = false;
+    float m = 0.0f;
+    foreach (Node *n, getSelectedNodes()) {
+        if (!found) {
+            m = n->point().x();
+            found = true;
+        } else {
+            if (n->point().x() < m) m = n->point().x();
+        }
+    }
+
+    foreach (NodeItem *ni, nodeItems().values()) {
+        if (ni->node()->point().x() >= m) ni->setSelected(true);
+    }
+}
+
 void TikzScene::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
     if (!_enabled) return;
@@ -642,11 +714,8 @@ void TikzScene::pasteFromClipboard()
     // attempt to parse whatever's on the clipboard, if we get a
     // non-empty tikz graph, insert it.
     if (ass.parse(tikz) && !g->nodes().isEmpty()) {
-        qDebug() << "CLIPBOARD:" << tikz;
-        qDebug() << "PARSED:" << g->tikz();
         // make sure names in the new subgraph are fresh
         g->renameApart(graph());
-        qDebug() << "FRESH:" << g->tikz();
 
         QRectF srcRect = g->realBbox();
         QRectF tgtRect = graph()->realBbox();
diff --git a/src/gui/tikzscene.h b/src/gui/tikzscene.h
index 91f606f..16af125 100644
--- a/src/gui/tikzscene.h
+++ b/src/gui/tikzscene.h
@@ -76,6 +76,10 @@ public:
 
 public slots:
     void graphReplaced();
+    void extendSelectionUp();
+    void extendSelectionDown();
+    void extendSelectionLeft();
+    void extendSelectionRight();
 
 protected:
     void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
-- 
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