fixed all undos biatch

ui/labelslider.cpp

@@ -1,5 +1,7 @@
 #include "labelslider.h"
 
+#include "project/undo.h"
+
 #include <QMouseEvent>
 #include <QInputDialog>
 #include <QApplication>
@@ -25,6 +27,7 @@ void LabelSlider::set_value(float v) {
         } else {
             internal_value = v;
         }
+
         setText(QString::number(internal_value));
         emit valueChanged();
     }
@@ -51,9 +54,16 @@ void LabelSlider::set_maximum_value(float v) {
 
 void LabelSlider::mousePressEvent(QMouseEvent *ev) {
     if (ev->modifiers() & Qt::AltModifier) {
+        ValueChangeCommand* vcc = new ValueChangeCommand();
+        vcc->source = this;
+        vcc->old_val = internal_value;
+        vcc->new_val = default_value;
+        undo_stack.push(vcc);
+
         set_value(default_value);
     } else {
         qApp->setOverrideCursor(Qt::BlankCursor);
+        drag_start_value = internal_value;
         drag_start = true;
         drag_start_x = cursor().pos().x();
         drag_start_y = cursor().pos().y();
@@ -73,9 +83,39 @@ void LabelSlider::mouseReleaseEvent(QMouseEvent*) {
         qApp->restoreOverrideCursor();
         drag_start = false;
         if (drag_proc) {
+            // send undo event
+            ValueChangeCommand* vcc = new ValueChangeCommand();
+            vcc->source = this;
+            vcc->old_val = drag_start_value;
+            vcc->new_val = internal_value;
+            undo_stack.push(vcc);
+
             drag_proc = false;
         } else {
-            set_value(QInputDialog::getDouble(this, "Set Value", "New value:", internal_value));
+            double d = QInputDialog::getDouble(this, "Set Value", "New value:", internal_value);
+            if (d != internal_value) {
+                ValueChangeCommand* vcc = new ValueChangeCommand();
+                vcc->source = this;
+                vcc->old_val = internal_value;
+
+                set_value(d);
+
+                vcc->new_val = internal_value;
+                undo_stack.push(vcc);
+            }
         }
     }
 }
+
+ValueChangeCommand::ValueChangeCommand() : done(true) {}
+
+void ValueChangeCommand::undo() {
+    source->set_value(old_val);
+    done = false;
+}
+
+void ValueChangeCommand::redo() {
+    if (!done) {
+        source->set_value(new_val);
+    }
+}

ui/labelslider.h

@@ -2,6 +2,7 @@
 #define LABELSLIDER_H
 
 #include <QLabel>
+#include <QUndoCommand>
 
 class LabelSlider : public QLabel
 {
@@ -18,8 +19,9 @@ protected:
     void mouseMoveEvent(QMouseEvent *ev);
     void mouseReleaseEvent(QMouseEvent *ev);
 private:
-    float internal_value;
     float default_value;
+    float internal_value;
+    float drag_start_value;
 
     bool min_enabled;
     float min_value;
@@ -34,4 +36,16 @@ signals:
     void valueChanged();
 };
 
+class ValueChangeCommand : public QUndoCommand {
+public:
+    ValueChangeCommand();
+    LabelSlider* source;
+    float old_val;
+    float new_val;
+    void undo();
+    void redo();
+private:
+    bool done;
+};
+
 #endif // LABELSLIDER_H

ui/sourcetable.cpp

@@ -13,10 +13,23 @@
 #include <QDebug>
 
 SourceTable::SourceTable(QWidget* parent) : QTreeWidget(parent) {
+    editing_item = NULL;
     sortByColumn(0, Qt::AscendingOrder);
     rename_timer.setInterval(500);
     connect(&rename_timer, SIGNAL(timeout()), this, SLOT(rename_interval()));
     connect(this, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(item_click(QTreeWidgetItem*,int)));
+    connect(this, SIGNAL(itemChanged(QTreeWidgetItem*,int)), this, SLOT(item_renamed(QTreeWidgetItem*)));
+}
+
+void SourceTable::item_renamed(QTreeWidgetItem* item) {
+    if (editing_item == item) {
+        MediaRename* mr = new MediaRename();
+        mr->from = editing_item_name;
+        mr->item = editing_item;
+        mr->to = editing_item->text(0);
+        undo_stack.push(mr);
+        editing_item = NULL;
+    }
 }
 
 void SourceTable::stop_rename_timer() {
@@ -26,6 +39,7 @@ void SourceTable::stop_rename_timer() {
 void SourceTable::rename_interval() {
     stop_rename_timer();
     if (hasFocus() && editing_item != NULL) {
+        editing_item_name = editing_item->text(0);
         editItem(editing_item, 0);
     }
 }
@@ -154,3 +168,16 @@ void MediaMove::redo() {
         }
     }
 }
+
+MediaRename::MediaRename() : done(true) {}
+
+void MediaRename::undo() {
+    item->setText(0, from);
+    done = false;
+}
+
+void MediaRename::redo() {
+    if (!done) {
+        item->setText(0, to);
+    }
+}

ui/sourcetable.h

@@ -21,10 +21,12 @@ protected:
 private:
     QTimer rename_timer;
     QTreeWidgetItem* editing_item;
+    QString editing_item_name;
 private slots:
     void rename_interval();
     void item_click(QTreeWidgetItem* item, int column);
     void stop_rename_timer();
+    void item_renamed(QTreeWidgetItem *item);
 };
 
 class MediaMove : public QUndoCommand {
@@ -39,4 +41,16 @@ private:
     SourceTable* table;
 };
 
+class MediaRename : public QUndoCommand {
+public:
+    MediaRename();
+    QTreeWidgetItem* item;
+    QString from;
+    QString to;
+    void undo();
+    void redo();
+private:
+    bool done;
+};
+
 #endif // SOURCETABLE_H