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Fix crash in "go to" commands, don't access to null layer

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This commit is contained in:
David Capello 2014-03-16 21:56:18 -03:00
parent c4605ad513
commit fabb58e0ea
1 changed files with 25 additions and 14 deletions
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39
src/app/commands/cmd_goto_layer.cpp
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@ -32,7 +32,22 @@
namespace app {
class GotoPreviousLayerCommand : public Command {
class GotoCommand : public Command {
public:
GotoCommand(const char* short_name, const char* friendly_name, CommandFlags flags)
: Command(short_name, friendly_name, flags) {
}
protected:
void updateStatusBar(DocumentLocation& location) {
if (location.layer() != NULL)
StatusBar::instance()
->setStatusText(1000, "Layer `%s' selected",
location.layer()->getName().c_str());
}
};
class GotoPreviousLayerCommand : public GotoCommand {
public:
GotoPreviousLayerCommand();
Command* clone() { return new GotoPreviousLayerCommand(*this); }
@ -43,9 +58,9 @@ protected:
};
GotoPreviousLayerCommand::GotoPreviousLayerCommand()
: Command("GotoPreviousLayer",
"Goto Previous Layer",
CmdUIOnlyFlag)
: GotoCommand("GotoPreviousLayer",
"Goto Previous Layer",
CmdUIOnlyFlag)
{
}
@ -71,12 +86,10 @@ void GotoPreviousLayerCommand::onExecute(Context* context)
current_editor->setLayer(location.layer());
current_editor->flashCurrentLayer();
StatusBar::instance()
->setStatusText(1000, "Layer `%s' selected",
location.layer()->getName().c_str());
updateStatusBar(location);
}
class GotoNextLayerCommand : public Command {
class GotoNextLayerCommand : public GotoCommand {
public:
GotoNextLayerCommand();
Command* clone() { return new GotoNextLayerCommand(*this); }
@ -87,9 +100,9 @@ protected:
};
GotoNextLayerCommand::GotoNextLayerCommand()
: Command("GotoNextLayer",
"Goto Next Layer",
CmdUIOnlyFlag)
: GotoCommand("GotoNextLayer",
"Goto Next Layer",
CmdUIOnlyFlag)
{
}
@ -115,9 +128,7 @@ void GotoNextLayerCommand::onExecute(Context* context)
current_editor->setLayer(location.layer());
current_editor->flashCurrentLayer();
StatusBar::instance()
->setStatusText(1000, "Layer `%s' selected",
location.layer()->getName().c_str());
updateStatusBar(location);
}
Command* CommandFactory::createGotoPreviousLayerCommand()