Add missing language strings when loading/saving components

data/strings/en.ini

@@ -847,9 +847,15 @@ selected_cels = Selected
 selected_cels_tooltip = Apply to the active selection in the timeline
 all_cels = All
 all_cels_tooltip = Apply to all cels in the sprite
+ok = &OK
+cancel = &Cancel
+preview = &Preview
+tiled = &Tiled
 
 [font_popup]
+title = Fonts
 load = Load
+empty_fonts = No system fonts were found
 
 [frame_combo]
 all_frames = All frames
@@ -1064,6 +1070,12 @@ color = Color
 luminosity = Luminosity
 no_layer = No Layer
 
+[load_palette]
+title = Load Palette
+
+[load_selection]
+title = Load Selection (.msk file)
+
 [main_menu]
 file = &File
 file_new = &New...
@@ -1324,6 +1336,10 @@ default = Default (Octree)
 rgb5a3 = Table RGB 5 bits + Alpha 3 bits
 octree = Octree
 
+[open_file]
+title = Open
+loading = Loading file
+
 [open_sequence]
 title = Notice
 description = Do you want to load the following files as an animation?
@@ -1709,6 +1725,19 @@ from = From:
 to = To:
 tolerance = Tolerance:
 
+[save_file]
+title = Save File
+save_as = Save As
+export = Export
+saving = Saving file
+saved = File <{}> saved.
+
+[save_palette]
+title = Save Palette
+
+[save_selection]
+title = Save Selection (.msk file)
+
 [script_access]
 title = Security
 script_label = The following script:

src/app/commands/cmd_load_mask.cpp

@@ -61,7 +61,7 @@ void LoadMaskCommand::onExecute(Context* context)
     base::paths exts = { "msk" };
     base::paths selectedFilename;
     if (!app::show_file_selector(
-          "Load .msk File", m_filename, exts,
+          Strings::load_selection_title(), m_filename, exts,
           FileSelectorType::Open, selectedFilename))
       return;
 
@@ -77,7 +77,9 @@ void LoadMaskCommand::onExecute(Context* context)
   {
     ContextWriter writer(reader);
     Doc* document = writer.document();
-    Tx tx(writer.context(), "Mask Load", DoesntModifyDocument);
+    Tx tx(writer.context(),
+          Strings::load_selection_title(),
+          DoesntModifyDocument);
     tx(new cmd::SetMask(document, mask.get()));
     tx.commit();
 

src/app/commands/cmd_load_palette.cpp

@@ -66,7 +66,7 @@ void LoadPaletteCommand::onExecute(Context* context)
     base::paths exts = get_readable_palette_extensions();
     base::paths filenames;
     if (app::show_file_selector(
-          "Load Palette", "", exts,
+          Strings::load_palette_title(), "", exts,
           FileSelectorType::Open, filenames)) {
       filename = filenames.front();
     }

src/app/commands/cmd_open_file.cpp

@@ -18,6 +18,7 @@
 #include "app/doc.h"
 #include "app/file/file.h"
 #include "app/file_selector.h"
+#include "app/i18n/strings.h"
 #include "app/job.h"
 #include "app/modules/editors.h"
 #include "app/modules/gui.h"
@@ -37,7 +38,7 @@ namespace app {
 class OpenFileJob : public Job, public IFileOpProgress {
 public:
   OpenFileJob(FileOp* fop)
-    : Job("Loading file")
+    : Job(Strings::open_file_loading().c_str())
     , m_fop(fop)
   {
   }
@@ -122,7 +123,7 @@ void OpenFileCommand::onExecute(Context* context)
     if (!m_folder.empty() && !base::is_path_separator(m_folder[m_folder.size()-1]))
       m_folder.push_back(base::path_separator);
 
-    if (!app::show_file_selector("Open", m_folder, exts,
+    if (!app::show_file_selector(Strings::open_file_title(), m_folder, exts,
                                  FileSelectorType::OpenMultiple,
                                  filenames)) {
       // The user cancelled the operation through UI

src/app/commands/cmd_save_file.cpp

@@ -49,7 +49,7 @@ namespace app {
 class SaveFileJob : public Job, public IFileOpProgress {
 public:
   SaveFileJob(FileOp* fop)
-    : Job("Saving file")
+    : Job(Strings::save_file_saving().c_str())
     , m_fop(fop)
   {
   }
@@ -254,7 +254,7 @@ void SaveFileBaseCommand::saveDocumentInBackground(
 #ifdef ENABLE_UI
     if (context->isUIAvailable() && params().ui()) {
       StatusBar::instance()->setStatusText(
-        2000, fmt::format("File <{}> saved.",
+        2000, fmt::format(Strings::save_file_saved(),
                           base::get_file_name(filename)));
     }
 #endif
@@ -298,7 +298,7 @@ void SaveFileCommand::onExecute(Context* context)
   // save-as dialog to the user to select for first time the file-name
   // for this document.
   else {
-    saveAsDialog(context, "Save File",
+    saveAsDialog(context, Strings::save_file_title(),
                  (params().filename.isSet() ? params().filename():
                                               document->filename()),
                  MarkAsSaved::On);
@@ -321,7 +321,7 @@ SaveFileAsCommand::SaveFileAsCommand()
 void SaveFileAsCommand::onExecute(Context* context)
 {
   Doc* document = context->activeDocument();
-  saveAsDialog(context, "Save As",
+  saveAsDialog(context, Strings::save_file_save_as(),
                (params().filename.isSet() ? params().filename():
                                             document->filename()),
                MarkAsSaved::On);
@@ -366,7 +366,7 @@ void SaveFileCopyAsCommand::onExecute(Context* context)
       [this, &win, &askOverwrite, context, doc]() -> std::string {
         std::string result =
           saveAsDialog(
-            context, "Export",
+            context, Strings::save_file_export(),
             win.outputFilenameValue(),
             MarkAsSaved::Off,
             SaveInBackground::Off,

src/app/commands/cmd_save_mask.cpp

@@ -48,7 +48,7 @@ void SaveMaskCommand::onExecute(Context* context)
   base::paths exts = { "msk" };
   base::paths selFilename;
   if (!app::show_file_selector(
-        "Save .msk File", "default.msk", exts,
+        Strings::save_selection_title(), "default.msk", exts,
         FileSelectorType::Save, selFilename))
     return;
 

src/app/commands/cmd_save_palette.cpp

@@ -64,9 +64,10 @@ void SavePaletteCommand::onExecute(Context* ctx)
     base::paths exts = get_writable_palette_extensions();
     base::paths selFilename;
     std::string initialPath = (m_saveAsPreset ? get_preset_palettes_dir(): "");
-    if (!app::show_file_selector(
-          "Save Palette", initialPath, exts,
-          FileSelectorType::Save, selFilename))
+    if (!app::show_file_selector(Strings::save_palette_title(),
+                                 initialPath,
+                                 exts,
+                                 FileSelectorType::Save, selFilename))
       return;
 
     filename = selFilename.front();

src/app/commands/filters/filter_window.cpp

@@ -13,6 +13,7 @@
 
 #include "app/commands/filters/filter_manager_impl.h"
 #include "app/commands/filters/filter_worker.h"
+#include "app/i18n/strings.h"
 #include "app/ini_file.h"
 #include "app/modules/editors.h"
 #include "app/modules/gui.h"
@@ -35,12 +36,14 @@ FilterWindow::FilterWindow(const char* title, const char* cfgSection,
   , m_hbox(HORIZONTAL)
   , m_vbox(VERTICAL)
   , m_container(VERTICAL)
-  , m_okButton("&OK")
-  , m_cancelButton("&Cancel")
+  , m_okButton(Strings::filters_ok())
+  , m_cancelButton(Strings::filters_cancel())
   , m_preview(filterMgr)
   , m_targetButton(filterMgr->pixelFormat(), (withChannels == WithChannelsSelector))
-  , m_showPreview("&Preview")
-  , m_tiledCheck(withTiled == WithTiledCheckBox ? new CheckBox("&Tiled") : NULL)
+  , m_showPreview(Strings::filters_preview())
+  , m_tiledCheck(withTiled == WithTiledCheckBox ?
+                   new CheckBox(Strings::filters_tiled()) :
+                   nullptr)
 {
   m_okButton.processMnemonicFromText();
   m_cancelButton.processMnemonicFromText();

src/app/ui/font_popup.cpp

@@ -15,6 +15,7 @@
 #include "app/commands/commands.h"
 #include "app/console.h"
 #include "app/font_path.h"
+#include "app/i18n/strings.h"
 #include "app/match_words.h"
 #include "app/ui/search_entry.h"
 #include "app/ui/skin/skin_theme.h"
@@ -133,7 +134,7 @@ private:
 };
 
 FontPopup::FontPopup()
-  : PopupWindow("Fonts",
+  : PopupWindow(Strings::font_popup_title(),
                 ClickBehavior::CloseOnClickInOtherWindow,
                 EnterBehavior::DoNothingOnEnter)
   , m_popup(new gen::FontPopup())
@@ -181,7 +182,7 @@ FontPopup::FontPopup()
   }
 
   if (m_listBox.children().empty())
-    m_listBox.addChild(new ListItem("No system fonts were found"));
+    m_listBox.addChild(new ListItem(Strings::font_popup_empty_fonts()));
 }
 
 void FontPopup::showPopup(Display* display,