Ticket #8670: improved_zoom.patch

src/apps/stylededit/StyledEditWindow.cpp

@@ -157 +157 @@
 
 
 void
+StyledEditWindow::Zoom(BPoint origin, float fullWidth, float fullHeight)
+{
+    const float minDimension = 256.f;
+
+    float width = Bounds().right, height;
+
+    if (!fTextView->DoesWordWrap()) {
+        width = 0.f;
+        int32 numLines = fTextView->CountLines();
+
+        for (int32 i = 0; i < numLines; i++)
+            width = max_c(fTextView->LineWidth(i), width);
+
+        width += 3.f * (fTextView->Frame().left - Bounds().left + Bounds().right - fTextView->Frame().right);
+        width = min_c(max_c(width, minDimension), fullWidth);
+    }
+
+    height = fTextView->TextHeight(0, fTextView->CountLines());
+    height += 2.f * (fTextView->Frame().top - Bounds().top + Bounds().bottom - fTextView->Frame().bottom);
+    height = min_c(max_c(height, minDimension), fullHeight);
+
+    MoveTo(origin);
+    ResizeTo(width, height);
+}
+
+
+void
 StyledEditWindow::MessageReceived(BMessage* message)
 {
     if (message->WasDropped()) {

src/apps/stylededit/StyledEditWindow.h

@@ -37 +37 @@
 
     virtual void                Quit();
     virtual bool                QuitRequested();
+    virtual void                Zoom(BPoint origin, float width, float height);
     virtual void                MessageReceived(BMessage* message);
     virtual void                MenusBeginning();