Added a page translation service

This is quite experimental.

The page contents are sent to an instance of LibreTranslate (powered by Argos Translate), which may or may not successfully translate the contents without mangling the gemtext markup.

1 files changed, 93 insertions, 14 deletions

diff --git a/src/ui/util.c b/src/ui/util.c
index a2aaa893..61ecf948 100644
--- a/src/ui/util.c
+++ b/src/ui/util.c
@@ -1688,8 +1688,19 @@ static void appendFramelessTabPage_(iWidget *tabs, iWidget *page, const char *ti
         iTrue);
 }
 
+static iWidget *makeTwoColumnWidget_(iWidget **headings, iWidget **values) {
+    iWidget *page = new_Widget();
+    setFlags_Widget(page, arrangeHorizontal_WidgetFlag | arrangeSize_WidgetFlag, iTrue);
+    *headings = addChildFlags_Widget(
+        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
+    *values = addChildFlags_Widget(
+        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
+    return page;
+}
+
 static iWidget *appendTwoColumnPage_(iWidget *tabs, const char *title, int shortcut, iWidget **headings,
                                      iWidget **values) {
+    /* TODO: Use `makeTwoColumnWidget_()`, see above. */
     iWidget *page = new_Widget();
     setFlags_Widget(page, arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag |
                     resizeHeightOfChildren_WidgetFlag | borderTop_WidgetFlag, iTrue);
@@ -1935,13 +1946,8 @@ iWidget *makeBookmarkEditor_Widget(void) {
                      iClob(new_LabelWidget(uiHeading_ColorEscape "EDIT BOOKMARK", NULL)),
                      frameless_WidgetFlag),
                  "bmed.heading");
-    iWidget *page = new_Widget();
-    addChild_Widget(dlg, iClob(page));
-    setFlags_Widget(page, arrangeHorizontal_WidgetFlag | arrangeSize_WidgetFlag, iTrue);
-    iWidget *headings = addChildFlags_Widget(
-        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
-    iWidget *values = addChildFlags_Widget(
-        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
+    iWidget *headings, *values;
+    addChild_Widget(dlg, iClob(makeTwoColumnWidget_(&headings, &values)));
     iInputWidget *inputs[4];
     addChild_Widget(headings, iClob(makeHeading_Widget("Title:")));
     setId_Widget(addChild_Widget(values, iClob(inputs[0] = new_InputWidget(0))), "bmed.title");
@@ -2074,13 +2080,8 @@ iWidget *makeFeedSettings_Widget(uint32_t bookmarkId) {
                                            NULL)),
                      frameless_WidgetFlag),
                  "feedcfg.heading");
-    iWidget *page = new_Widget();
-    addChild_Widget(dlg, iClob(page));
-    setFlags_Widget(page, arrangeHorizontal_WidgetFlag | arrangeSize_WidgetFlag, iTrue);
-    iWidget *headings = addChildFlags_Widget(
-        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
-    iWidget *values = addChildFlags_Widget(
-        page, iClob(new_Widget()), arrangeVertical_WidgetFlag | arrangeSize_WidgetFlag);
+    iWidget *headings, *values;
+    addChild_Widget(dlg, iClob(makeTwoColumnWidget_(&headings, &values)));
     addChild_Widget(headings, iClob(makeHeading_Widget("Title:")));
     iInputWidget *input = new_InputWidget(0);
     setId_Widget(addChild_Widget(values, iClob(input)), "feedcfg.title");
@@ -2184,3 +2185,81 @@ iWidget *makeIdentityCreation_Widget(void) {
     finalizeSheet_Widget(dlg);
     return dlg;
 }
+
+static const iMenuItem languages[] = {
+    { "Arabic", 0, 0, "xlt.lang id:ar" },
+    { "Chinese", 0, 0, "xlt.lang id:zh" },
+    { "English", 0, 0, "xlt.lang id:en" },
+    { "French", 0, 0, "xlt.lang id:fr" },
+    { "German", 0, 0, "xlt.lang id:de" },
+    { "Hindi", 0, 0, "xlt.lang id:hi" },
+    { "Italian", 0, 0, "xlt.lang id:it" },
+    { "Japanese", 0, 0, "xlt.lang id:ja" },
+    { "Portuguese", 0, 0, "xlt.lang id:pt" },
+    { "Russian", 0, 0, "xlt.lang id:ru" },
+    { "Spanish", 0, 0, "xlt.lang id:es" },
+};
+
+static iBool translationHandler_(iWidget *dlg, const char *cmd) {
+    if (equal_Command(cmd, "xlt.lang")) {
+        iLabelWidget *menuItem = pointer_Command(cmd);
+        iWidget *button = parent_Widget(parent_Widget(menuItem));
+        iAssert(isInstance_Object(button, &Class_LabelWidget));
+        updateText_LabelWidget((iLabelWidget *) button, text_LabelWidget(menuItem));
+        return iTrue;
+    }
+    return iFalse;
+}
+
+const char *languageId_String(const iString *menuItemLabel) {
+    iForIndices(i, languages) {
+        if (!cmp_String(menuItemLabel, languages[i].label)) {
+            return cstr_Rangecc(range_Command(languages[i].command, "id"));
+        }
+    }
+    return "";
+}
+
+iWidget *makeTranslation_Widget(iWidget *parent) {
+    iWidget *dlg = makeSheet_Widget("xlt");
+    setCommandHandler_Widget(dlg, translationHandler_);
+    addChildFlags_Widget(dlg,
+                         iClob(new_LabelWidget(uiHeading_ColorEscape "TRANSLATE PAGE", NULL)),
+                         frameless_WidgetFlag);
+    addChild_Widget(dlg, iClob(makePadding_Widget(lineHeight_Text(uiLabel_FontId))));
+    iWidget *headings, *values;
+    iWidget *page;
+    addChild_Widget(dlg, iClob(page = makeTwoColumnWidget_(&headings, &values)));
+    setId_Widget(page, "xlt.langs");
+    addChild_Widget(headings, iClob(makeHeading_Widget("From:")));
+    iLabelWidget *fromLang, *toLang;
+    setId_Widget(addChildFlags_Widget(values,
+                                      iClob(fromLang = makeMenuButton_LabelWidget(
+                                                "Portuguese", languages, iElemCount(languages))),
+                                      alignLeft_WidgetFlag),
+                 "xlt.from");
+    updateTextCStr_LabelWidget(fromLang, "French"); /* TODO: Check source media type; remember last use. */
+    setBackgroundColor_Widget(findChild_Widget(as_Widget(fromLang), "menu"),
+                              uiBackgroundMenu_ColorId);
+    addChild_Widget(headings, iClob(makeHeading_Widget("To:")));
+    setId_Widget(addChildFlags_Widget(values,
+                                      iClob(toLang = makeMenuButton_LabelWidget(
+                                                "Portuguese", languages, iElemCount(languages))),
+                                      alignLeft_WidgetFlag),
+                 "xlt.to");
+    setBackgroundColor_Widget(findChild_Widget(as_Widget(toLang), "menu"),
+                              uiBackgroundMenu_ColorId);
+    updateTextCStr_LabelWidget(toLang, "English"); /* TODO: User preference. */
+    addChild_Widget(dlg, iClob(makePadding_Widget(lineHeight_Text(uiLabel_FontId))));
+    addChild_Widget(
+        dlg,
+        iClob(makeDialogButtons_Widget(
+            (iMenuItem[]){
+                { "Cancel", SDLK_ESCAPE, 0, "translation.cancel" },
+                { uiTextAction_ColorEscape "Translate", SDLK_RETURN, 0, "translation.submit" } },
+            2)));
+    addChild_Widget(parent, iClob(dlg));
+    arrange_Widget(dlg);
+    finalizeSheet_Widget(dlg);
+    return dlg;
+}