Basic splitting, column concept

src/text_editor/commands.cpp

@@ -269,9 +269,8 @@ bool GlobalCommand(Event event) {
         Vec2I   mouse              = MouseVec2I();
         Window *window             = GetActiveWindow();
         bool    mouse_in_document  = CheckCollisionPointRec(mouse, window->document_rect);
-        bool    mouse_in_scrollbar    = CheckCollisionPointRec(mouse, window->scrollbar_rect);
-        bool    mouse_in_line_numbers = CheckCollisionPointRec(mouse, window->line_numbers_rect);
         bool    mouse_in_total     = CheckCollisionPointRec(mouse, window->total_rect);
+        bool    mouse_in_scrollbar = CheckCollisionPointRec(mouse, window->scrollbar_rect);
         window->mouse_in_scrollbar = mouse_in_scrollbar;
 
         static SDL_Cursor *SDL_MouseCursor;
@@ -283,9 +282,6 @@ bool GlobalCommand(Event event) {
         } else if (mouse_in_scrollbar || window->mouse_selecting_scrollbar) {
             SDL_MouseCursor = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_DEFAULT);
             SDL_SetCursor(SDL_MouseCursor);
-        } else if (mouse_in_line_numbers) {
-            SDL_MouseCursor = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_EW_RESIZE);
-            SDL_SetCursor(SDL_MouseCursor);
         } else {
             SDL_MouseCursor = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_POINTER);
             SDL_SetCursor(SDL_MouseCursor);
@@ -301,18 +297,6 @@ bool GlobalCommand(Event event) {
             Window *window = &Windows[it];
             if (!window->visible) continue;
             bool mouse_in_window = CheckCollisionPointRec(mouse, window->total_rect);
-            if (ActiveWindow.id == window->id.id) {
-                bool mouse_in_line_numbers = CheckCollisionPointRec(mouse, window->line_numbers_rect);
-                if (mouse_in_line_numbers) {
-                    // if (Mouse(LEFT)) {
-                    //     window->layout_value.x += 0.1f;
-                    // } else if (Mouse(RIGHT)) {
-                    //     window->layout_value.x -= 0.1f;
-                    // }
-                    // window->layout_value.x = Clamp(window->layout_value.x, 0.05f, 0.95f);
-                }
-            }
-
             if (mouse_in_window) {
                 SetActiveWindow(window->id);
                 break;
@@ -339,6 +323,12 @@ bool GlobalCommand(Event event) {
         }
     }
 
+    if (CtrlShift(SDLK_BACKSLASH)) {
+        AddRowWindow();
+    } else if (Ctrl(SDLK_BACKSLASH)) {
+        AddColumnWindow();
+    }
+
     if (Ctrl(SDLK_0)) {
         Window *window  = GetWindow(DebugWindowID);
         window->visible = !window->visible;

src/text_editor/text_editor.h

@@ -75,27 +75,20 @@ struct Window {
 
         bool draw_scrollbar : 1;
         bool draw_line_numbers : 1;
+
         bool visible : 1;
+        bool absolute_position : 1;
+        bool is_title_bar : 1;
+        bool is_column : 1;
 
         bool fuzzy_search : 1; // @todo: consider moving this to view and introducing view commands
         bool execute_line : 1;
         bool invisible_when_inactive : 1;
         bool dont_save_in_active_window_history : 1;
         bool deactivate_on_escape : 1;
-        bool is_title_bar : 1;
     };
 };
 
-struct VisualRow {
-    float    value;
-    WindowID window;
-};
-
-struct VisualColumn {
-    float            value;
-    Array<VisualRow> rows;
-};
-
 struct Scroller {
     Rect2  rect;
     double begin;

src/text_editor/todo.txt

@@ -1,4 +1,5 @@
 - bugs:
+    - scrolling in fullscreen is busted because no space outside of window
     - scrolling when clicking on scroller is busted
 
 - simulation:
@@ -17,7 +18,6 @@
             - this would allow to create new windows just like that to inform user and so on
     - window borders as flag
     - Implement console buffer mimicking vscode with ctrl+~ etc.
-    - Reverse order of append in console buffer - it should be appending from top to bottom and scrolling
     - Modify error popups to not focus, introduce a interaction timer which after some time will make window invisible
     - Implement shell interaction in a console buffer
 
@@ -51,4 +51,4 @@
 - Search all buffers
 - Search and replace
 - Search result buffer
-
+- yeet sheet

src/text_editor/window.cpp

@@ -1,4 +1,24 @@
-Array<VisualColumn> VisualColumns = {};
+struct VisualColumn {
+    Window         *window;
+    Array<Window *> rows;
+};
+
+Array<VisualColumn> GetVisualColumns(Allocator allocator) {
+    Array<VisualColumn> columns = {allocator};
+    ForItem(window, Windows) {
+        if (!window.visible || window.absolute_position || window.is_title_bar) continue;
+
+        if (window.is_column) {
+            Add(&columns, {&window, {allocator}});
+            VisualColumn *col = GetLast(columns);
+            Add(&col->rows, &window);
+        } else if (columns.len) {
+            VisualColumn *col = GetLast(columns);
+            Add(&col->rows, &window);
+        }
+    }
+    return columns;
+}
 
 Array<Int> GetWindowZOrder(Allocator allocator) {
     Array<Int> order = {allocator};
@@ -39,11 +59,37 @@ Int GetTitleBarSize(Window *window) {
     return (Int)result;
 }
 
+void AddColumnWindow() {
+    Window *window    = CreateWindow();
+    window->is_column = true;
+    View *view        = OpenBufferView("*scratch*");
+    SetActiveView(window, view->id);
+    CreateInfobar(window);
+}
+
+void AddRowWindow() {
+    Window  *window    = CreateWindow();
+    WindowID window_id = window->id;
+
+    View *view = OpenBufferView("*scratch*");
+    SetActiveView(window, view->id);
+    CreateInfobar(window);
+
+    Window *active_window       = GetActiveWindow();
+    int64_t active_window_index = GetIndex(Windows, *active_window);
+
+    window             = GetWindow(window_id);
+    Window window_copy = *window;
+    Remove(&Windows, *window);
+    Insert(&Windows, window_copy, active_window_index + 1);
+}
+
 void InitWindows(View *null_view) {
     Allocator sys_allocator = GetSystemAllocator();
 
     {
         Window *window    = CreateWindow();
+        window->is_column = true;
         // window->draw_line_numbers = false;
         Buffer *buffer = CreateBuffer(sys_allocator, "*load_text_a*");
         View   *view   = CreateView(buffer->id);
@@ -57,16 +103,22 @@ void InitWindows(View *null_view) {
 
     {
         Window *window    = CreateWindow();
+        window->is_column = true;
         Buffer *buffer    = CreateBuffer(sys_allocator, "*console*");
         View   *view      = CreateView(buffer->id);
         SetActiveView(window, view->id);
         CreateInfobar(window);
     }
 
+    // AddRowWindow();
+    // AddRowWindow();
+    // AddRowWindow();
+
     {
         Window *window                             = CreateWindow();
         window->draw_line_numbers                  = false;
         Buffer *buffer                             = CreateBuffer(sys_allocator, "*debug*");
+        window->absolute_position                  = true;
         window->draw_line_numbers                  = false;
         window->draw_scrollbar                     = false;
         window->dont_save_in_active_window_history = true;
@@ -86,6 +138,7 @@ void InitWindows(View *null_view) {
         w->fuzzy_search                       = true;
         w->execute_line                       = true;
         w->invisible_when_inactive            = true;
+        w->absolute_position                  = true;
         w->dont_save_in_active_window_history = true;
         w->deactivate_on_escape               = true;
         Buffer *b                             = CreateBuffer(sys_allocator, "*commands*");
@@ -101,6 +154,7 @@ void InitWindows(View *null_view) {
         w->draw_scrollbar                     = false;
         w->draw_line_numbers                  = false;
         w->visible                            = false;
+        w->absolute_position                  = true;
         w->dont_save_in_active_window_history = true;
         w->invisible_when_inactive            = true;
         w->deactivate_on_escape               = true;
@@ -118,6 +172,7 @@ void InitWindows(View *null_view) {
         w->visible                            = false;
         w->dont_save_in_active_window_history = true;
         w->invisible_when_inactive            = true;
+        w->absolute_position                  = true;
         w->deactivate_on_escape               = true;
         Buffer *b                             = CreateBuffer(sys_allocator, "*popup*");
         b->no_history                         = true;
@@ -134,36 +189,41 @@ void LayoutWindows() {
     float   ScrollBarSize     = (10.f * DPIScale);
     Rect2I  screen_rect       = GetScreenRectI();
     float   line_numbers_size = (float)FontCharSpacing * 10;
-    double sizex             = (double)GetSize(screen_rect).x;
+    float   sizex             = (float)GetSize(screen_rect).x;
-    {
+    Window *search_window     = GetWindow(SearchWindowID);
-        Window *window        = GetWindow(SearchWindowID);
+    if (search_window->visible) {
-        Rect2I  sr            = screen_rect;
+        Rect2I rect                  = CutBottom(&screen_rect, FontLineSpacing);
-        Rect2I  rect          = CutBottom(&sr, FontLineSpacing);
+        search_window->total_rect    = rect;
-        window->total_rect    = rect;
+        search_window->document_rect = search_window->total_rect;
-        window->document_rect = window->total_rect;
-        window->z             = 1;
     }
 
-    {
+    Scratch             scratch;
-        int i                           = 0;
+    Array<VisualColumn> columns = GetVisualColumns(scratch);
-        Windows[i].total_rect           = CutLeft(&screen_rect, (Int)((double)sizex * 0.5));
+
-        Window *title_bar_window        = GetWindow(Windows[i].title_bar_window);
+    float delta_column = 1.0f / (float)columns.len;
-        title_bar_window->total_rect    = CutBottom(&Windows[i].total_rect, GetTitleBarSize(title_bar_window));
+    ForItem(col, columns) {
-        Windows[i].document_rect        = Windows[i].total_rect;
+        Rect2I rect = CutLeft(&screen_rect, (Int)(delta_column * sizex));
-        title_bar_window->document_rect = title_bar_window->total_rect;
+
-        if (Windows[i].draw_scrollbar) Windows[i].scrollbar_rect = CutRight(&Windows[i].document_rect, (Int)ScrollBarSize);
+        float sizey     = (float)GetSize(rect).y;
-        if (Windows[i].draw_line_numbers) Windows[i].line_numbers_rect = CutLeft(&Windows[i].document_rect, (Int)line_numbers_size);
+        float delta_row = 1.0f / (float)col.rows.len;
+        ForItem(row, col.rows) {
+            row->total_rect = CutTop(&rect, (Int)(delta_row * sizey));
         }
-    {
-        int i                           = 2;
-        Windows[i].total_rect           = CutLeft(&screen_rect, (Int)((double)sizex));
-        Window *title_bar_window        = GetWindow(Windows[i].title_bar_window);
-        title_bar_window->total_rect    = CutBottom(&Windows[i].total_rect, GetTitleBarSize(title_bar_window));
-        title_bar_window->document_rect = title_bar_window->total_rect;
-        Windows[i].document_rect        = Windows[i].total_rect;
-        if (Windows[i].draw_scrollbar) Windows[i].scrollbar_rect = CutRight(&Windows[i].document_rect, (Int)ScrollBarSize);
-        if (Windows[i].draw_line_numbers) Windows[i].line_numbers_rect = CutLeft(&Windows[i].document_rect, (Int)line_numbers_size);
     }
+
+    For(Windows) {
+        Window *window = &it;
+        if (!window->visible || window->absolute_position || window->is_title_bar) continue;
+
+        Window *title_bar_window        = GetWindow(window->title_bar_window);
+        title_bar_window->total_rect    = CutBottom(&window->total_rect, GetTitleBarSize(title_bar_window));
+        title_bar_window->document_rect = title_bar_window->total_rect;
+
+        window->document_rect = window->total_rect;
+        if (window->draw_scrollbar) window->scrollbar_rect = CutRight(&window->document_rect, (Int)ScrollBarSize);
+        if (window->draw_line_numbers) window->line_numbers_rect = CutLeft(&window->document_rect, (Int)line_numbers_size);
+    }
+
     {
         Window *window      = GetWindow(DebugWindowID);
         Rect2   screen_rect = GetScreenRectF();