Zoom tool now can be used in PlayState

src/app/ui/editor/editor.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -36,7 +36,9 @@
 #include "app/ui/editor/moving_pixels_state.h"
 #include "app/ui/editor/pixels_movement.h"
 #include "app/ui/editor/play_state.h"
+#include "app/ui/editor/scrolling_state.h"
 #include "app/ui/editor/standby_state.h"
+#include "app/ui/editor/zooming_state.h"
 #include "app/ui/main_window.h"
 #include "app/ui/skin/skin_theme.h"
 #include "app/ui/status_bar.h"
@@ -1687,6 +1689,46 @@ void Editor::notifyZoomChanged()
   m_observers.notifyZoomChanged(this);
 }
 
+bool Editor::checkForScroll(ui::MouseMessage* msg)
+{
+  tools::Ink* clickedInk = getCurrentEditorInk();
+
+  // Start scroll loop
+  if (msg->middle() || clickedInk->isScrollMovement()) { // TODO msg->middle() should be customizable
+    startScrollingState(msg);
+    return true;
+  }
+  else
+    return false;
+}
+
+bool Editor::checkForZoom(ui::MouseMessage* msg)
+{
+  tools::Ink* clickedInk = getCurrentEditorInk();
+
+  // Start scroll loop
+  if (clickedInk->isZoom()) {
+    startZoomingState(msg);
+    return true;
+  }
+  else
+    return false;
+}
+
+void Editor::startScrollingState(ui::MouseMessage* msg)
+{
+  EditorStatePtr newState(new ScrollingState);
+  setState(newState);
+  newState->onMouseDown(this, msg);
+}
+
+void Editor::startZoomingState(ui::MouseMessage* msg)
+{
+  EditorStatePtr newState(new ZoomingState);
+  setState(newState);
+  newState->onMouseDown(this, msg);
+}
+
 void Editor::play(const bool playOnce,
                   const bool playAll)
 {

src/app/ui/editor/editor.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -203,6 +203,15 @@ namespace app {
     void notifyScrollChanged();
     void notifyZoomChanged();
 
+    // Returns true and changes to ScrollingState when "msg" says "the
+    // user wants to scroll". Same for zoom.
+    bool checkForScroll(ui::MouseMessage* msg);
+    bool checkForZoom(ui::MouseMessage* msg);
+
+    // Start Scrolling/ZoomingState
+    void startScrollingState(ui::MouseMessage* msg);
+    void startZoomingState(ui::MouseMessage* msg);
+
     // Animation control
     void play(const bool playOnce,
               const bool playAll);

src/app/ui/editor/moving_pixels_state.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -239,7 +239,8 @@ bool MovingPixelsState::onMouseDown(Editor* editor, MouseMessage* msg)
   contextBar->updateForMovingPixels();
 
   // Start scroll loop
-  if (checkForScroll(editor, msg) || checkForZoom(editor, msg))
+  if (editor->checkForScroll(msg) ||
+      editor->checkForZoom(msg))
     return true;
 
   // Call the eyedropper command

src/app/ui/editor/play_state.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -14,6 +14,7 @@
 #include "app/commands/commands.h"
 #include "app/loop_tag.h"
 #include "app/pref/preferences.h"
+#include "app/tools/ink.h"
 #include "app/ui/editor/editor.h"
 #include "app/ui/editor/scrolling_state.h"
 #include "app/ui_context.h"
@@ -116,10 +117,12 @@ bool PlayState::onMouseDown(Editor* editor, MouseMessage* msg)
   // some time, so we don't change the current frame.
   m_toScroll = true;
 
+  // If the active tool is the Zoom tool, we start zooming.
+  if (editor->checkForZoom(msg))
+    return true;
+
   // Start scroll loop
-  EditorStatePtr newState(new ScrollingState());
-  editor->setState(newState);
-  newState->onMouseDown(editor, msg);
+  editor->startScrollingState(msg);
   return true;
 }
 
@@ -145,6 +148,19 @@ bool PlayState::onKeyUp(Editor* editor, KeyMessage* msg)
   return false;
 }
 
+bool PlayState::onSetCursor(Editor* editor, const gfx::Point& mouseScreenPos)
+{
+  tools::Ink* ink = editor->getCurrentEditorInk();
+  if (ink) {
+    if (ink->isZoom()) {
+      editor->showMouseCursor(kMagnifierCursor);
+      return true;
+    }
+  }
+  editor->showMouseCursor(kScrollCursor);
+  return true;
+}
+
 void PlayState::onPlaybackTick()
 {
   if (m_nextFrameTime < 0)

src/app/ui/editor/play_state.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -34,6 +34,7 @@ namespace app {
     bool onMouseMove(Editor* editor, ui::MouseMessage* msg) override;
     bool onKeyDown(Editor* editor, ui::KeyMessage* msg) override;
     bool onKeyUp(Editor* editor, ui::KeyMessage* msg) override;
+    bool onSetCursor(Editor* editor, const gfx::Point& mouseScreenPos) override;
 
   private:
     void onPlaybackTick();

src/app/ui/editor/standby_state.cpp

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -124,38 +124,6 @@ void StandbyState::onActiveToolChange(Editor* editor, tools::Tool* tool)
   }
 }
 
-bool StandbyState::checkForScroll(Editor* editor, MouseMessage* msg)
-{
-  tools::Ink* clickedInk = editor->getCurrentEditorInk();
-
-  // Start scroll loop
-  if (msg->middle() || clickedInk->isScrollMovement()) { // TODO msg->middle() should be customizable
-    EditorStatePtr newState(new ScrollingState());
-    editor->setState(newState);
-
-    newState->onMouseDown(editor, msg);
-    return true;
-  }
-  else
-    return false;
-}
-
-bool StandbyState::checkForZoom(Editor* editor, MouseMessage* msg)
-{
-  tools::Ink* clickedInk = editor->getCurrentEditorInk();
-
-  // Start scroll loop
-  if (clickedInk->isZoom()) {
-    EditorStatePtr newState(new ZoomingState());
-    editor->setState(newState);
-
-    newState->onMouseDown(editor, msg);
-    return true;
-  }
-  else
-    return false;
-}
-
 bool StandbyState::onMouseDown(Editor* editor, MouseMessage* msg)
 {
   if (editor->hasCapture())
@@ -172,7 +140,8 @@ bool StandbyState::onMouseDown(Editor* editor, MouseMessage* msg)
   context->setActiveView(editor->getDocumentView());
 
   // Start scroll loop
-  if (checkForScroll(editor, msg) || checkForZoom(editor, msg))
+  if (editor->checkForScroll(msg) ||
+      editor->checkForZoom(msg))
     return true;
 
   // Move cel X,Y coordinates

src/app/ui/editor/standby_state.h

@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2001-2016  David Capello
+// Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
 // the End-User License Agreement for Aseprite.
@@ -45,10 +45,6 @@ namespace app {
     void startSelectionTransformation(Editor* editor, const gfx::Point& move, double angle);
 
   protected:
-    // Returns true and changes to ScrollingState when "msg" says "the
-    // user wants to scroll".
-    bool checkForScroll(Editor* editor, ui::MouseMessage* msg);
-    bool checkForZoom(Editor* editor, ui::MouseMessage* msg);
     void callEyedropper(Editor* editor);
 
     class Decorator : public EditorDecorator {