# HG changeset patch
# User Neil Last edited 10 January 2018 NH Last edited 31 January 2018 NH There is an overview of the internal design of
Scintilla. SCI_CREATEDOCUMENT → document * SCI_CREATEDOCUMENT(int bytes, int documentOption) → document *Scintilla Documentation
-
@@ -5711,7 +5711,7 @@
-
+
+
This message creates a new, empty document and returns a pointer to it. This document is not
- selected into the editor and starts with a reference count of 1. This means that you have
- ownership of it and must either reduce its reference count by 1 after using
+ selected into the editor and starts with a reference count of 1. This means that you have
+ ownership of it and must either reduce its reference count by 1 after using
SCI_SETDOCPOINTER
so that the Scintilla window owns it or you must make sure that
- you reduce the reference count by 1 with SCI_RELEASEDOCUMENT
before you close the
- application to avoid memory leaks.SCI_RELEASEDOCUMENT
before you close the
+ application to avoid memory leaks. The bytes
argument determines
+ the initial memory allocation for the document as it is more efficient
+ to allocate once rather than rely on the buffer growing as data is added.
+ If SCI_CREATEDOCUMENT
fails then 0 is returned.
The documentOption
argument may be used in future versions
+ to choose between different document capabilities which affect memory allocation and performance.
+ The only valid value for now is SC_DOCUMENTOPTION_DEFAULT
(0).
SCI_ADDREFDOCUMENT(<unused>, document *doc)
This increases the reference count of a document by 1. If you want to replace the current
@@ -5765,7 +5772,7 @@
SCI_CREATELOADER(int bytes) → int
+ SCI_CREATELOADER(int bytes, int documentOption) → int
An application can load all of a file into a buffer it allocates on a background thread and then add the data in that buffer
@@ -5774,13 +5781,17 @@
To avoid these issues, a loader object may be created and used to load the file. The loader object supports the ILoader interface.
- SCI_CREATELOADER(int bytes) → int
+
SCI_CREATELOADER(int bytes, int documentOption) → int
Create an object that supports the ILoader
interface which can be used to load data and then
be turned into a Scintilla document object for attachment to a view object.
The bytes
argument determines the initial memory allocation for the document as it is more efficient
to allocate once rather than rely on the buffer growing as data is added.
If SCI_CREATELOADER
fails then 0 is returned.
+ The documentOption
argument may be used in future versions
+ to choose between different document capabilities which affect memory allocation and performance.
+ The only valid value for now is SC_DOCUMENTOPTION_DEFAULT
(0).
+
ILoader
@@ -6573,7 +6584,7 @@
On GTK+, there are storage and performance costs to accessibility, so it can be disabled
by calling SCI_SETACCESSIBILITY
.
-
+
@@ -6603,7 +6614,7 @@
-
+
Lexer
If you define the symbol SCI_LEXER
when building Scintilla, (this is sometimes
@@ -6894,7 +6905,7 @@
Methods that return strings as const char *
are not required to maintain separate allocations indefinitely:
lexer implementations may own a single buffer that is reused for each call.
-Callers should make an immediate copy of returned strings.
+Callers should make an immediate copy of returned strings.
diff -r a1731ae83d2a -r 92c8f0f1b3e6 include/Scintilla.h
--- a/include/Scintilla.h Tue Jan 30 12:40:53 2018 +1100
+++ b/include/Scintilla.h Fri Jan 26 11:12:10 2018 +1100
@@ -689,6 +689,7 @@
#define SCI_SELECTIONISRECTANGLE 2372
#define SCI_SETZOOM 2373
#define SCI_GETZOOM 2374
+#define SC_DOCUMENTOPTION_DEFAULT 0
#define SCI_CREATEDOCUMENT 2375
#define SCI_ADDREFDOCUMENT 2376
#define SCI_RELEASEDOCUMENT 2377
diff -r a1731ae83d2a -r 92c8f0f1b3e6 include/Scintilla.iface
--- a/include/Scintilla.iface Tue Jan 30 12:40:53 2018 +1100
+++ b/include/Scintilla.iface Fri Jan 26 11:12:10 2018 +1100
@@ -1771,9 +1771,12 @@
# Retrieve the zoom level.
get int GetZoom=2374(,)
+enu DocumentOption=SC_DOCUMENTOPTION_
+val SC_DOCUMENTOPTION_DEFAULT=0
+
# Create a new document object.
# Starts with reference count of 1 and not selected into editor.
-fun int CreateDocument=2375(,)
+fun int CreateDocument=2375(int bytes, int documentOption)
# Extend life of document.
fun void AddRefDocument=2376(, int doc)
# Release a reference to the document, deleting document if it fades to black.
@@ -2540,7 +2543,7 @@
get int GetTechnology=2631(,)
# Create an ILoader*.
-fun int CreateLoader=2632(int bytes,)
+fun int CreateLoader=2632(int bytes, int documentOption)
# On OS X, show a find indicator.
fun void FindIndicatorShow=2640(position start, position end)
diff -r a1731ae83d2a -r 92c8f0f1b3e6 src/Editor.cxx
--- a/src/Editor.cxx Tue Jan 30 12:40:53 2018 +1100
+++ b/src/Editor.cxx Fri Jan 26 11:12:10 2018 +1100
@@ -7556,6 +7556,7 @@
case SCI_CREATEDOCUMENT: {
Document *doc = new Document();
doc->AddRef();
+ doc->Allocate(static_cast(wParam));
return reinterpret_cast(doc);
}