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Avoid infinite locking ~ToolLoopImpl()

Browse Source 
This situation happens when we have two views for the
same document, and we move the selection in one view,
and then we try to continue the transformation in the
other view.
This commit is contained in:
David Capello 2015-04-09 20:05:02 -03:00
parent c25d9ac272
commit 32bb9c85dc
1 changed files with 28 additions and 18 deletions
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46
src/app/ui/editor/tool_loop_impl.cpp
View File

@ -15,6 +15,7 @@
#include "app/cmd/set_mask.h"
#include "app/color.h"
#include "app/color_utils.h"
#include "app/console.h"
#include "app/context.h"
#include "app/context_access.h"
#include "app/document_undo.h"
@ -190,15 +191,20 @@ public:
if (!m_canceled) {
// Paint ink
if (getInk()->isPaint()) {
retry_commit:;
try {
ContextReader reader(m_context);
ContextWriter writer(reader);
m_expandCelCanvas.commit();
}
catch (const LockedDocumentException&) {
base::this_thread::sleep_for(0.25);
goto retry_commit;
for (int i=0; ; ++i) {
// TODO add a "wait_n_seconds" parameter to ContextReader/Writer
try {
ContextReader reader(m_context);
ContextWriter writer(reader);
m_expandCelCanvas.commit();
break;
}
catch (const LockedDocumentException& ex) {
if (i == 10)
Console::showException(ex);
else
base::this_thread::sleep_for(0.10);
}
}
}
// Selection ink
@ -214,15 +220,19 @@ public:
// If the trace was canceled or it is not a 'paint' ink...
if (m_canceled || !getInk()->isPaint()) {
retry_rollback:;
try {
ContextReader reader(m_context);
ContextWriter writer(reader);
m_expandCelCanvas.rollback();
}
catch (const LockedDocumentException&) {
base::this_thread::sleep_for(0.25);
goto retry_rollback;
for (int i=0; ; ++i) {
try {
ContextReader reader(m_context);
ContextWriter writer(reader);
m_expandCelCanvas.rollback();
break;
}
catch (const LockedDocumentException& ex) {
if (i == 10)
Console::showException(ex);
else
base::this_thread::sleep_for(0.10);
}
}
}