WordComplete working

src/text_editor/commands.cpp

@@ -218,14 +218,14 @@ void CMD_KillProcess() {
 void CMD_MakeFontLarger() {
     FontSize += 1;
     ReloadFont(PathToFont, (U32)FontSize);
-    CMD_CenterView();
+    CenterPrimaryViews();
 } RegisterCommand(CMD_MakeFontLarger, "ctrl-equals", "Increase the font size");
 
 void CMD_MakeFontSmaller() {
     if (FontSize > 4) {
         FontSize -= 1;
         ReloadFont(PathToFont, (U32)FontSize);
-        CMD_CenterView();
+        CenterPrimaryViews();
     }
 } RegisterCommand(CMD_MakeFontSmaller, "ctrl-minus", "Decrease the font size");
 

src/text_editor/globals.cpp

@@ -13,7 +13,8 @@ Int ErrorCount;
 #if 1
 String16 InitialScratchContent;
 #else
-String16 InitialScratchContent = uR"==(0
+String16 InitialScratchContent = uR"==(C:/text_editor/src/text_editor/text_editor.cpp
+0
 1
 2
 3

src/text_editor/plugin_basic_commands.cpp

@@ -27,12 +27,12 @@ void CMD_KillSelectedLines() {
 void CMD_IndentSelectedLines() {
     BSet active = GetBSet(ActiveWindowID);
     IndentSelectedLines(active.view);
-} RegisterCommand(CMD_IndentSelectedLines, "ctrl-rightbracket | tab", "");
+} RegisterCommand(CMD_IndentSelectedLines, "ctrl-rightbracket", "");
 
 void CMD_DedentSelectedLines() {
     BSet active = GetBSet(ActiveWindowID);
     IndentSelectedLines(active.view, true);
-} RegisterCommand(CMD_DedentSelectedLines, "ctrl-leftbracket | shift-tab", "");
+} RegisterCommand(CMD_DedentSelectedLines, "ctrl-leftbracket", "");
 
 void CMD_DuplicateLineDown() {
     BSet active = GetBSet(ActiveWindowID);

src/text_editor/plugin_word_complete.cpp

@@ -1,3 +1,5 @@
+// MAAAAAAAAAAAAN I DONT LIKE THIS CODE, BUT HOPE IT WORKS
+
 struct Lexer2 {
     char16_t *at;
 };
@@ -8,71 +10,213 @@ Lexer2 BeginLexing(String16 data) {
 }
 
 String16 Next(Lexer2 *lexer) {
-    while (lexer->at[0] != 0 && !IsAlphanumeric(lexer->at[0])) {
+    while (lexer->at[0] != 0 && IsNonWord(lexer->at[0])) {
         lexer->at += 1;
     }
     String16 result = {lexer->at, 0};
-    while (IsAlphanumeric(lexer->at[0])) {
+    while (lexer->at[0] != 0 && IsWord(lexer->at[0])) {
         lexer->at += 1;
         result.len += 1;
     }
     return result;
 }
 
-struct WordCompleteS {
+struct StringAndDistance {
     String16 string;
     Int distance;
 };
 
-bool Contains(Array<WordCompleteS> *arr, String16 string) {
+bool Contains(Array<StringAndDistance> *arr, String16 string) {
     For (*arr) {
         if (it.string == string) return true;
     }
     return false;
 }
 
-inline bool MergeSortCompare(WordCompleteS *EntryA, WordCompleteS *EntryB) {
+inline bool MergeSortCompare(StringAndDistance *EntryA, StringAndDistance *EntryB) {
     bool result = EntryA->distance > EntryB->distance;
     return result;
 }
 
-void CMD_WordComplete() {
-    // @todo: handle multiple carets
-    // @todo: indent when shift otherwise wordcomplte
-    // @todo: loop through buffers
-    // @todo: iterate by pressing 'tab' continously
-    Scratch scratch;
-    BSet active = GetBSet(ActiveWindowID);
-    Caret caret = active.view->carets[0];
-    Range range = caret.range;
-    if (GetSize(range) != 0) {
-        return;
-    }
-    range.min = GetWordStart(active.buffer, range.min);
-    String16 prefix = GetString(active.buffer, range);
+struct {
+    BlockArena arena;
+    String16 prefix_string;
+    String16 last_string;
+    mco_coro *co;
+    Buffer *buffer;
+    View *view;
+    Int original_caret_pos;
+    Int direction;
+} CWS;
 
-    String16 string = GetString(active.buffer);
-
-    Array<WordCompleteS> idents = {scratch};
+void CWSLexIdentifiers(Array<StringAndDistance> *out_idents, Buffer *buffer) {
+    Array<StringAndDistance> idents = {CWS.arena};
+    String16 string = GetString(buffer);
     Lexer2 lexer = BeginLexing(string.data);
     for (int i = 0;; i += 1) {
         String16 token = Next(&lexer);
-        if (token.len <= 0) break;
-        if (StartsWith(token, prefix) && token != prefix && !Contains(&idents, token)) {
-            Int pos = token.data - active.buffer->str;
-            Int distance = Absolute(range.min - pos);
-            Add(&idents, {token, distance});
+        if (token.len <= 0) {
+            break;
+        }
+        if (StartsWith(token, CWS.prefix_string) && token != CWS.prefix_string && !Contains(&idents, token)) {
+            Int pos = token.data - buffer->str;
+            Int distance = Absolute(CWS.original_caret_pos - pos);
+            Add(&idents, {Copy16(CWS.arena, token), distance});
         }
     }
 
     if (idents.len > 1) {
-        Array<WordCompleteS> temp = TightCopy(scratch, idents);
+        Array<StringAndDistance> temp = TightCopy(CWS.arena, idents);
         MergeSort(idents.len, idents.data, temp.data);
     }
-    if (idents.len > 0) {
-        String16 ident = idents[0].string;
-        ident = Skip(ident, prefix.len);
-        ident = Copy16(scratch, ident);
-        Replace(active.view, ident);
+    For (idents) {
+        if (!Contains(out_idents, it.string)) Add(out_idents, it);
     }
-} RegisterCommand(CMD_WordComplete, "ctrl-b", "Completes the current word");
+}
+
+void CompleteWord2(mco_coro *co) {
+    Array<BufferID> buffers = {CWS.arena};
+    {
+        Add(&buffers, CWS.buffer->id);
+        ForItem (window, Windows) {
+            if (window->visible) {
+                View *view = GetView(window->active_view);
+                Buffer *buffer = GetBuffer(view->active_buffer);
+                if (!Contains(buffers, buffer->id)) {
+                    Add(&buffers, buffer->id);
+                }
+            }
+            Int len = 0;
+            For (IterateInReverse(&window->goto_history)) {
+                View *view = GetView(it.view_id);
+                Buffer *buffer = GetBuffer(view->active_buffer);
+                if (!Contains(buffers, buffer->id)) {
+                    Add(&buffers, buffer->id);
+                    len += 1;
+                    if (len > 16) continue;
+                }
+            }
+        }
+        Window *active = GetWindow(ActiveWindowID);
+
+    }
+
+    Buffer *curr_buffer = NULL;
+    Int buffer_i = 0;
+    Array<StringAndDistance> idents = {CWS.arena};
+    Add(&idents, {CWS.prefix_string, 0});
+    for (Int i = 1;;) {
+        if (i >= idents.len) {
+            while (buffer_i < buffers.len) {
+                curr_buffer = GetBuffer(buffers[buffer_i++]);
+                CWSLexIdentifiers(&idents, curr_buffer);
+                if (i < idents.len) {
+                    break;
+                }
+            }
+            if (i >= idents.len) {
+                goto yield;
+            }
+        }
+        StringAndDistance it = idents[i];
+        String16 ident = Copy16(CWS.arena, it.string);
+        CWS.last_string = ident;
+        Range range = EncloseWord(curr_buffer, CWS.original_caret_pos);
+        View *view = GetViewForFixingWhenBufferCommand(curr_buffer);
+        SelectRange(view, range);
+        Replace(view, ident);
+    yield:;
+        mco_yield(co);
+        i += CWS.direction;
+        i = Clamp(i, 0ll, idents.len - 1);
+    }
+}
+
+void CompleteWord(View *view, Int pos) {
+    Buffer *buffer = GetBuffer(view->active_buffer);
+    Range prefix_string_range = {GetWordStart(buffer, pos), pos};
+    String16 prefix = GetString(buffer, prefix_string_range);
+    bool continue_with_previous = CWS.co && CWS.last_string == prefix && CWS.buffer == buffer;
+    if (!continue_with_previous) {
+        if (CWS.co) {
+            mco_result res = mco_destroy(CWS.co);
+            Assert(res == MCO_SUCCESS);
+            CWS.co = NULL;
+        }
+        Release(&CWS.arena);
+        MemoryZero(&CWS, sizeof(CWS));
+
+        CWS.buffer = buffer;
+        CWS.view = view;
+        CWS.original_caret_pos = pos;
+        CWS.prefix_string = Copy16(CWS.arena, prefix);
+
+        mco_desc desc = mco_desc_init(CompleteWord2, NULL);
+        mco_result res = mco_create(&CWS.co, &desc);
+        Assert(res == MCO_SUCCESS);
+    }
+    CWS.direction = 1;
+    mco_result res = mco_resume(CWS.co);
+    Assert(res == MCO_SUCCESS);
+
+    if (mco_status(CWS.co) == MCO_DEAD) {
+        res = mco_destroy(CWS.co);
+        Assert(res == MCO_SUCCESS);
+        CWS.co = NULL;
+    }
+}
+
+
+void CompletePrevWord(View *view, Int pos) {
+    Buffer *buffer = GetBuffer(view->active_buffer);
+    Range prefix_string_range = {GetWordStart(buffer, pos), pos};
+    String16 prefix = GetString(buffer, prefix_string_range);
+    bool continue_with_previous = CWS.co && CWS.last_string == prefix && CWS.buffer == buffer;
+    if (!continue_with_previous) {
+        return;
+    }
+    CWS.direction = -1;
+    mco_result res = mco_resume(CWS.co);
+    Assert(res == MCO_SUCCESS);
+    if (mco_status(CWS.co) == MCO_DEAD) {
+        res = mco_destroy(CWS.co);
+        Assert(res == MCO_SUCCESS);
+        CWS.co = NULL;
+    }
+}
+
+void CMD_CompleteWord() {
+    BSet active = GetBSet(ActiveWindowID);
+    bool ok = active.view->carets.len == 1 && GetSize(active.view->carets[0].range) == 0;
+    if (!ok) {
+        return;
+    }
+    CompleteWord(active.view, active.view->carets[0].range.min);
+} RegisterCommand(CMD_CompleteWord, "", "Completes the current word");
+
+void CMD_CompletePrevWord() {
+    BSet active = GetBSet(ActiveWindowID);
+    bool ok = active.view->carets.len == 1 && GetSize(active.view->carets[0].range) == 0;
+    if (!ok) {
+        return;
+    }
+    CompletePrevWord(active.view, active.view->carets[0].range.min);
+} RegisterCommand(CMD_CompletePrevWord, "", "Completes the current word");
+
+void CMD_CompletePrevWordOrDedent() {
+    BSet active = GetBSet(ActiveWindowID);
+    if (active.view->carets.len == 1 && GetSize(active.view->carets[0].range) == 0) {
+        CMD_CompletePrevWord();
+    } else {
+        IndentSelectedLines(active.view, true);
+    }
+} RegisterCommand(CMD_CompletePrevWordOrDedent, "shift-tab", "Completes the current word or it indents it, when single caret with no selection it goes for word complete");
+
+void CMD_CompleteWordOrIndent() {
+    BSet active = GetBSet(ActiveWindowID);
+    if (active.view->carets.len == 1 && GetSize(active.view->carets[0].range) == 0) {
+        CMD_CompleteWord();
+    } else {
+        IndentSelectedLines(active.view);
+    }
+} RegisterCommand(CMD_CompleteWordOrIndent, "tab", "Completes the current word or it indents it, when single caret with no selection it goes for word complete");

src/text_editor/window.cpp

@@ -381,6 +381,14 @@ void CenterView(WindowID window) {
     }
 }
 
+void CenterPrimaryViews() {
+    For (Windows) {
+        if (it->primary) {
+            CenterView(it->id);
+        }
+    }
+}
+
 BSet GetBSet(Window *window) {
     BSet set   = {window};
     set.view   = GetView(set.window->active_view);