Fix #67: Per-image grid settings

src/app/commands/cmd_configure_tools.cpp

@@ -36,6 +36,7 @@
 #include "app/ui/status_bar.h"
 #include "app/ui_context.h"
 #include "base/bind.h"
+#include "doc/context_observer.h"
 #include "gfx/size.h"
 #include "raster/mask.h"
 #include "ui/ui.h"
@@ -55,13 +56,15 @@ static void on_exit_delete_this_widget()
   delete window;
 }
 
-class ConfigureTools : public Command {
+class ConfigureTools : public Command,
+                       public doc::ContextObserver {
 public:
   ConfigureTools();
   Command* clone() const override { return new ConfigureTools(*this); }
 
 protected:
-  void onExecute(Context* context);
+  void onExecute(Context* context) override;
+  void onSetActiveDocument(doc::Document* document) override;
 
 private:
   CheckBox* m_tiled;
@@ -93,8 +96,8 @@ ConfigureTools::ConfigureTools()
 
 void ConfigureTools::onExecute(Context* context)
 {
-  m_settings = UIContext::instance()->settings();
-  m_docSettings = m_settings->getDocumentSettings(NULL);
+  m_settings = context->settings();
+  m_docSettings = NULL;
 
   Button* set_grid;
   bool first_time = false;
@@ -105,10 +108,13 @@ void ConfigureTools::onExecute(Context* context)
   }
   // If the window is opened, close it
   else if (window->isVisible()) {
+    context->removeObserver(this);
     window->closeWindow(NULL);
     return;
   }
 
+  context->addObserver(this);
+
   try {
     m_tiled = app::find_widget<CheckBox>(window, "tiled");
     m_tiledX = app::find_widget<CheckBox>(window, "tiled_x");
@@ -124,15 +130,7 @@ void ConfigureTools::onExecute(Context* context)
     throw;
   }
 
-  if (m_docSettings->getTiledMode() != filters::TILED_NONE) {
-    m_tiled->setSelected(true);
-    if (m_docSettings->getTiledMode() & filters::TILED_X_AXIS) m_tiledX->setSelected(true);
-    if (m_docSettings->getTiledMode() & filters::TILED_Y_AXIS) m_tiledY->setSelected(true);
-  }
-
-  if (m_docSettings->getSnapToGrid()) m_snapToGrid->setSelected(true);
-  if (m_docSettings->getGridVisible()) m_viewGrid->setSelected(true);
-  if (m_docSettings->getPixelGridVisible()) m_pixelGrid->setSelected(true);
+  onSetActiveDocument(context->activeDocument());
 
   if (first_time) {
     // Slots
@@ -227,6 +225,24 @@ void ConfigureTools::onSetGridClick()
   }
 }
 
+void ConfigureTools::onSetActiveDocument(doc::Document* document)
+{
+  if (!document)
+    return;
+
+  m_docSettings = m_settings->getDocumentSettings(document);
+  ASSERT(m_docSettings);
+  if (!m_docSettings)
+    return;
+
+  m_tiled->setSelected(m_docSettings->getTiledMode() != filters::TILED_NONE);
+  m_tiledX->setSelected(m_docSettings->getTiledMode() & filters::TILED_X_AXIS ? true: false);
+  m_tiledY->setSelected(m_docSettings->getTiledMode() & filters::TILED_Y_AXIS ? true: false);
+  m_snapToGrid->setSelected(m_docSettings->getSnapToGrid());
+  m_viewGrid->setSelected(m_docSettings->getGridVisible());
+  m_pixelGrid->setSelected(m_docSettings->getPixelGridVisible());
+}
+
 Command* CommandFactory::createConfigureToolsCommand()
 {
   return new ConfigureTools;

src/app/commands/cmd_grid.cpp

@@ -23,6 +23,7 @@
 #include "app/app.h"
 #include "app/commands/command.h"
 #include "app/context.h"
+#include "app/document.h"
 #include "app/find_widget.h"
 #include "app/load_widget.h"
 #include "app/modules/editors.h"

src/app/commands/cmd_onionskin.cpp

@@ -23,6 +23,7 @@
 #include "app/app.h"
 #include "app/commands/command.h"
 #include "app/context.h"
+#include "app/document.h"
 #include "app/settings/document_settings.h"
 #include "app/settings/settings.h"
 

src/app/commands/cmd_options.cpp

@@ -52,7 +52,7 @@ class OptionsWindow : public app::gen::Options {
 public:
   OptionsWindow(Context* context)
     : m_settings(context->settings())
-    , m_docSettings(m_settings->getDocumentSettings(NULL))
+    , m_docSettings(m_settings->getDocumentSettings(context->activeDocument()))
     , m_checked_bg_color1(new ColorButton(RenderEngine::getCheckedBgColor1(), IMAGE_RGB))
     , m_checked_bg_color2(new ColorButton(RenderEngine::getCheckedBgColor2(), IMAGE_RGB))
     , m_pixelGridColor(new ColorButton(m_docSettings->getPixelGridColor(), IMAGE_RGB))

src/app/commands/filters/cmd_convolution_matrix.cpp

@@ -26,6 +26,7 @@
 #include "app/commands/filters/filter_manager_impl.h"
 #include "app/commands/filters/filter_window.h"
 #include "app/context.h"
+#include "app/document.h"
 #include "app/find_widget.h"
 #include "app/ini_file.h"
 #include "app/load_widget.h"

src/app/commands/filters/cmd_despeckle.cpp

@@ -24,6 +24,7 @@
 #include "app/commands/filters/filter_manager_impl.h"
 #include "app/commands/filters/filter_window.h"
 #include "app/context.h"
+#include "app/document.h"
 #include "app/find_widget.h"
 #include "app/ini_file.h"
 #include "app/load_widget.h"

src/app/ini_file.cpp

@@ -54,13 +54,12 @@ ConfigModule::ConfigModule()
   }
 #endif
 
-  override_config_file(fn.c_str());
+  set_config_file(fn.c_str());
   g_configFilename = fn;
 }
 
 ConfigModule::~ConfigModule()
 {
-  //override_config_file(NULL);
   flush_config_file();
 }
 

src/app/settings/settings.h

@@ -31,10 +31,13 @@
 #include "gfx/rect.h"
 #include "raster/brush_type.h"
 
+namespace doc {
+  class Document;
+}
+
 namespace app {
 
   class ColorSwatches;
-  class Document;
   class IColorSwatchesStore;
   class IDocumentSettings;
   class IBrushSettings;
@@ -82,7 +85,7 @@ namespace app {
     // Returns the specific settings for the given document. If the
     // document is null, it should return an interface for
     // global/default settings.
-    virtual IDocumentSettings* getDocumentSettings(const Document* document) = 0;
+    virtual IDocumentSettings* getDocumentSettings(const doc::Document* document) = 0;
 
     // Specific configuration for the given tool.
     virtual IToolSettings* getToolSettings(tools::Tool* tool) = 0;

src/app/settings/ui_settings_impl.cpp

@@ -24,7 +24,9 @@
 
 #include "app/app.h"
 #include "app/color_swatches.h"
+#include "app/document.h"
 #include "app/ini_file.h"
+#include "app/resource_finder.h"
 #include "app/settings/document_settings.h"
 #include "app/tools/controller.h"
 #include "app/tools/ink.h"
@@ -32,7 +34,10 @@
 #include "app/tools/tool.h"
 #include "app/tools/tool_box.h"
 #include "app/ui/color_bar.h"
+#include "app/ui_context.h"
 #include "base/observable.h"
+#include "doc/context.h"
+#include "doc/documents_observer.h"
 #include "ui/manager.h"
 #include "ui/system.h"
 
@@ -55,45 +60,88 @@ namespace {
 class UIDocumentSettingsImpl : public IDocumentSettings,
                                public base::Observable<DocumentSettingsObserver> {
 public:
-  UIDocumentSettingsImpl()
-    : m_tiledMode((TiledMode)get_config_int("Tools", "Tiled", (int)TILED_NONE))
-    , m_use_onionskin(get_config_bool("Onionskin", "Enabled", false))
-    , m_prev_frames_onionskin(get_config_int("Onionskin", "PrevFrames", 1))
-    , m_next_frames_onionskin(get_config_int("Onionskin", "NextFrames", 1))
-    , m_onionskin_opacity_base(get_config_int("Onionskin", "OpacityBase", DEFAULT_ONIONSKIN_OPACITY_BASE))
-    , m_onionskin_opacity_step(get_config_int("Onionskin", "OpacityStep", DEFAULT_ONIONSKIN_OPACITY_STEP))
-    , m_onionskinType((OnionskinType)get_config_int("Onionskin", "Type", (int)DEFAULT_ONIONSKIN_TYPE))
-    , m_snapToGrid(get_config_bool("Grid", "SnapTo", false))
-    , m_gridVisible(get_config_bool("Grid", "Visible", false))
-    , m_gridBounds(get_config_rect("Grid", "Bounds", Rect(0, 0, 16, 16)))
-    , m_gridColor(get_config_color("Grid", "Color", app::Color::fromRgb(0, 0, 255)))
-    , m_pixelGridVisible(get_config_bool("PixelGrid", "Visible", false))
-    , m_pixelGridColor(get_config_color("PixelGrid", "Color", app::Color::fromRgb(200, 200, 200)))
+  UIDocumentSettingsImpl(const doc::Document* doc)
+    : m_doc(doc)
+    , m_tiledMode(TILED_NONE)
+    , m_use_onionskin(false)
+    , m_prev_frames_onionskin(1)
+    , m_next_frames_onionskin(1)
+    , m_onionskin_opacity_base(DEFAULT_ONIONSKIN_OPACITY_BASE)
+    , m_onionskin_opacity_step(DEFAULT_ONIONSKIN_OPACITY_STEP)
+    , m_onionskinType(DEFAULT_ONIONSKIN_TYPE)
+    , m_snapToGrid(false)
+    , m_gridVisible(false)
+    , m_gridBounds(0, 0, 16, 16)
+    , m_gridColor(app::Color::fromRgb(0, 0, 255))
+    , m_pixelGridVisible(false)
+    , m_pixelGridColor(app::Color::fromRgb(200, 200, 200))
     , m_isLoop(false)
     , m_loopBegin(0)
-    , m_loopEnd(-1)
+    , m_loopEnd(1)
     , m_aniDir(AniDir_Normal)
   {
-    m_tiledMode = (TiledMode)MID(0, (int)m_tiledMode, (int)TILED_BOTH);
-    m_onionskinType = (OnionskinType)MID(0, (int)m_onionskinType, (int)Onionskin_Last);
+    bool specific_file = false;
+    if (m_doc && static_cast<const app::Document*>(m_doc)->isAssociatedToFile()) {
+      push_config_state();
+      set_config_file(configFileName().c_str());
+      specific_file = true;
+
+      m_tiledMode = (TiledMode)get_config_int("Tools", "Tiled", (int)m_tiledMode);
+      m_use_onionskin = get_config_bool("Onionskin", "Enabled", m_use_onionskin);
+      m_prev_frames_onionskin = get_config_int("Onionskin", "PrevFrames", m_prev_frames_onionskin);
+      m_next_frames_onionskin = get_config_int("Onionskin", "NextFrames", m_next_frames_onionskin);
+      m_onionskin_opacity_base = get_config_int("Onionskin", "OpacityBase", m_onionskin_opacity_base);
+      m_onionskin_opacity_step = get_config_int("Onionskin", "OpacityStep", m_onionskin_opacity_step);
+      m_onionskinType = (OnionskinType)get_config_int("Onionskin", "Type", m_onionskinType);
+      m_snapToGrid = get_config_bool("Grid", "SnapTo", m_snapToGrid);
+      m_gridVisible = get_config_bool("Grid", "Visible", m_gridVisible);
+      m_gridBounds = get_config_rect("Grid", "Bounds", m_gridBounds);
+      m_pixelGridVisible = get_config_bool("PixelGrid", "Visible", m_pixelGridVisible);
+
+      // Limit values
+      m_tiledMode = (TiledMode)MID(0, (int)m_tiledMode, (int)TILED_BOTH);
+      m_onionskinType = (OnionskinType)MID(0, (int)m_onionskinType, (int)Onionskin_Last);
+    }
+
+    m_gridColor = get_config_color("Grid", "Color", m_gridColor);
+    m_pixelGridColor = get_config_color("PixelGrid", "Color", m_pixelGridColor);
+
+    if (specific_file)
+      pop_config_state();
   }
 
   ~UIDocumentSettingsImpl()
   {
-    set_config_int("Tools", "Tiled", m_tiledMode);
-    set_config_bool("Grid", "SnapTo", m_snapToGrid);
-    set_config_bool("Grid", "Visible", m_gridVisible);
-    set_config_rect("Grid", "Bounds", m_gridBounds);
-    set_config_color("Grid", "Color", m_gridColor);
-    set_config_bool("PixelGrid", "Visible", m_pixelGridVisible);
-    set_config_color("PixelGrid", "Color", m_pixelGridColor);
+    bool specific_file = false;
+    if (m_doc) {
+      // We don't save the document configuration if it isn't associated with a file.
+      if (!static_cast<const app::Document*>(m_doc)->isAssociatedToFile())
+        return;
 
-    set_config_bool("Onionskin", "Enabled", m_use_onionskin);
-    set_config_int("Onionskin", "PrevFrames", m_prev_frames_onionskin);
-    set_config_int("Onionskin", "NextFrames", m_next_frames_onionskin);
-    set_config_int("Onionskin", "OpacityBase", m_onionskin_opacity_base);
-    set_config_int("Onionskin", "OpacityStep", m_onionskin_opacity_step);
-    set_config_int("Onionskin", "Type", m_onionskinType);
+      push_config_state();
+      set_config_file(configFileName().c_str());
+      specific_file = true;
+
+      set_config_int("Tools", "Tiled", m_tiledMode);
+      set_config_bool("Grid", "SnapTo", m_snapToGrid);
+      set_config_bool("Grid", "Visible", m_gridVisible);
+      set_config_rect("Grid", "Bounds", m_gridBounds);
+      set_config_bool("PixelGrid", "Visible", m_pixelGridVisible);
+
+      set_config_bool("Onionskin", "Enabled", m_use_onionskin);
+      set_config_int("Onionskin", "PrevFrames", m_prev_frames_onionskin);
+      set_config_int("Onionskin", "NextFrames", m_next_frames_onionskin);
+      set_config_int("Onionskin", "OpacityBase", m_onionskin_opacity_base);
+      set_config_int("Onionskin", "OpacityStep", m_onionskin_opacity_step);
+      set_config_int("Onionskin", "Type", m_onionskinType);
+    }
+
+    saveSharedSettings();
+
+    if (specific_file) {
+      flush_config_file();
+      pop_config_state();
+    }
   }
 
   // Tiled mode
@@ -154,11 +202,36 @@ public:
   virtual void removeObserver(DocumentSettingsObserver* observer) override;
 
 private:
+  void saveSharedSettings() {
+    set_config_color("Grid", "Color", m_gridColor);
+    set_config_color("PixelGrid", "Color", m_pixelGridColor);
+  }
+
+  std::string configFileName() {
+    if (!m_doc)
+      return "";
+
+    if (m_cfgName.empty()) {
+      ResourceFinder rf;
+      std::string fn = m_doc->filename();
+      for (size_t i=0; i<fn.size(); ++i) {
+        if (fn[i] == ' ' || fn[i] == '/' || fn[i] == '\\' || fn[i] == ':' || fn[i] == '.') {
+          fn[i] = '-';
+        }
+      }
+      rf.includeUserDir(("files/" + fn + ".ini").c_str());
+      m_cfgName = rf.getFirstOrCreateDefault();
+    }
+    return m_cfgName;
+  }
+
   void redrawDocumentViews() {
     // TODO Redraw only document's views
     ui::Manager::getDefault()->invalidate();
   }
 
+  const doc::Document* m_doc;
+  std::string m_cfgName;
   TiledMode m_tiledMode;
   bool m_use_onionskin;
   int m_prev_frames_onionskin;
@@ -176,7 +249,6 @@ private:
   raster::FrameNumber m_loopBegin;
   raster::FrameNumber m_loopEnd;
   AniDir m_aniDir;
-
 };
 
 class UISelectionSettingsImpl
@@ -210,7 +282,6 @@ private:
 
 UISettingsImpl::UISettingsImpl()
   : m_currentTool(NULL)
-  , m_globalDocumentSettings(new UIDocumentSettingsImpl)
   , m_colorSwatches(NULL)
   , m_selectionSettings(new UISelectionSettingsImpl)
   , m_zoomWithScrollWheel(get_config_bool("Options", "ZoomWithMouseWheel", true))
@@ -233,17 +304,22 @@ UISettingsImpl::~UISettingsImpl()
   set_config_bool("Options", "GrabAlpha", m_grabAlpha);
   set_config_int("Options", "RightClickMode", static_cast<int>(m_rightClickMode));
 
-  // Delete all tool settings.
-  for (std::map<std::string, IToolSettings*>::iterator
-         it = m_toolSettings.begin(), end = m_toolSettings.end(); it != end; ++it) {
-    delete it->second;
-  }
+  for (auto it : m_docSettings)
+    delete it.second;
 
-  // Delete all color swatches
-  for (std::vector<app::ColorSwatches*>::iterator
-         it = m_colorSwatchesStore.begin(), end = m_colorSwatchesStore.end();
-       it != end; ++it) {
-    delete *it;
+  for (auto it : m_toolSettings)
+    delete it.second;
+
+  for (auto it : m_colorSwatchesStore)
+    delete it;
+}
+
+void UISettingsImpl::onRemoveDocument(doc::Document* doc)
+{
+  auto it = m_docSettings.find(doc->id());
+  if (it != m_docSettings.end()) {
+    delete it->second;
+    m_docSettings.erase(it);
   }
 }
 
@@ -369,9 +445,20 @@ void UISettingsImpl::setColorSwatches(app::ColorSwatches* colorSwatches)
   notifyObservers<app::ColorSwatches*>(&GlobalSettingsObserver::onSetColorSwatches, colorSwatches);
 }
 
-IDocumentSettings* UISettingsImpl::getDocumentSettings(const Document* document)
+IDocumentSettings* UISettingsImpl::getDocumentSettings(const doc::Document* document)
 {
-  return m_globalDocumentSettings;
+  doc::ObjectId id;
+
+  if (!document)
+    id = doc::NullId;
+  else
+    id = document->id();
+
+  auto it = m_docSettings.find(id);
+  if (it != m_docSettings.end())
+    return it->second;
+
+  return m_docSettings[id] = new UIDocumentSettingsImpl(document);
 }
 
 IColorSwatchesStore* UISettingsImpl::getColorSwatchesStore()
@@ -482,6 +569,8 @@ void UIDocumentSettingsImpl::setGridColor(const app::Color& color)
 {
   m_gridColor = color;
   notifyObservers<const app::Color&>(&DocumentSettingsObserver::onSetGridColor, color);
+
+  saveSharedSettings();
 }
 
 void UIDocumentSettingsImpl::snapToGrid(gfx::Point& point) const
@@ -520,6 +609,8 @@ void UIDocumentSettingsImpl::setPixelGridColor(const app::Color& color)
 {
   m_pixelGridColor = color;
   redrawDocumentViews();
+
+  saveSharedSettings();
 }
 
 bool UIDocumentSettingsImpl::getUseOnionskin()

src/app/settings/ui_settings_impl.h

@@ -28,6 +28,8 @@
 #include "app/settings/settings_observers.h"
 #include "base/observable.h"
 #include "base/unique_ptr.h"
+#include "doc/documents_observer.h"
+#include "doc/object_id.h"
 
 namespace app {
 
@@ -35,11 +37,15 @@ namespace app {
       : public ISettings
       , public IExperimentalSettings
       , public IColorSwatchesStore
+      , public doc::DocumentsObserver
       , base::Observable<GlobalSettingsObserver> {
   public:
     UISettingsImpl();
     ~UISettingsImpl();
 
+    // doc::DocumentsObserver
+    void onRemoveDocument(doc::Document* doc) override;
+
     // Undo settings
     size_t undoSizeLimit() const override;
     bool undoGotoModified() const override;
@@ -65,7 +71,7 @@ namespace app {
     void setCurrentTool(tools::Tool* tool) override;
     void setColorSwatches(app::ColorSwatches* colorSwatches) override;
 
-    IDocumentSettings* getDocumentSettings(const Document* document) override;
+    IDocumentSettings* getDocumentSettings(const doc::Document* document) override;
     IToolSettings* getToolSettings(tools::Tool* tool) override;
     IColorSwatchesStore* getColorSwatchesStore() override;
 
@@ -87,7 +93,6 @@ namespace app {
 
   private:
     tools::Tool* m_currentTool;
-    base::UniquePtr<IDocumentSettings> m_globalDocumentSettings;
     std::map<std::string, IToolSettings*> m_toolSettings;
     app::ColorSwatches* m_colorSwatches;
     std::vector<app::ColorSwatches*> m_colorSwatchesStore;
@@ -96,6 +101,7 @@ namespace app {
     bool m_showSpriteEditorScrollbars;
     bool m_grabAlpha;
     RightClickMode m_rightClickMode;
+    std::map<doc::ObjectId, IDocumentSettings*> m_docSettings;
   };
 
 } // namespace app

src/app/ui_context.cpp

@@ -48,6 +48,8 @@ UIContext::UIContext()
   : Context(new UISettingsImpl)
   , m_lastSelectedView(NULL)
 {
+  documents().addObserver(static_cast<UISettingsImpl*>(settings()));
+
   ASSERT(m_instance == NULL);
   m_instance = this;
 }
@@ -57,6 +59,8 @@ UIContext::~UIContext()
   ASSERT(m_instance == this);
   m_instance = NULL;
 
+  documents().removeObserver(static_cast<UISettingsImpl*>(settings()));
+
   // The context must be empty at this point. (It's to check if the UI
   // is working correctly, i.e. closing all files when the user can
   // take any action about it.)