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iface.newProject() should return False if a new project could not

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be created (e.g. if the user opts to cancel when prompted to save the
current project)
This commit is contained in:
Nyall Dawson 2019-12-04 15:44:12 +10:00
parent caf8cfafa4
commit b4bc7cbffd
4 changed files with 25 additions and 7 deletions
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12
python/gui/auto_generated/qgisinterface.sip.in
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@ -687,9 +687,17 @@ Adds a mesh layer to the current project.
%Docstring
Adds (opens) a project
%End
virtual void newProject( bool promptToSaveFlag = false ) = 0;
virtual bool newProject( bool promptToSaveFlag = false ) = 0;
%Docstring
Starts a new blank project
Starts a new blank project.
If ``promptToSaveFlag`` is ``True`` then users will be prompted to save any currently open
project (if that project has changes). If the flag is ``False``, then the current project will
be closed without prompting to save (possibly resulting in data loss).
Since QGIS 3.10.1, returns ``True`` if a new project was created, or ``False`` if the operation was not successful (e.g.
the user opted to cancel when prompted to save the current project).
%End
virtual void reloadConnections( ) = 0;

4
src/app/qgisappinterface.cpp
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@ -167,9 +167,9 @@ bool QgisAppInterface::addProject( const QString &projectName )
return qgis->addProject( projectName );
}
void QgisAppInterface::newProject( bool promptToSaveFlag )
bool QgisAppInterface::newProject( bool promptToSaveFlag )
{
qgis->fileNew( promptToSaveFlag );
return qgis->fileNew( promptToSaveFlag );
}
void QgisAppInterface::reloadConnections()

2
src/app/qgisappinterface.h
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@ -71,7 +71,7 @@ class APP_EXPORT QgisAppInterface : public QgisInterface
QgsRasterLayer *addRasterLayer( const QString &url, const QString &baseName, const QString &providerKey ) override;
QgsMeshLayer *addMeshLayer( const QString &url, const QString &baseName, const QString &providerKey ) override;
bool addProject( const QString &projectName ) override;
void newProject( bool promptToSaveFlag = false ) override;
bool newProject( bool promptToSaveFlag = false ) override;
void reloadConnections( ) override;
QgsMapLayer *activeLayer() override;
bool setActiveLayer( QgsMapLayer *layer ) override;

14
src/gui/qgisinterface.h
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@ -616,8 +616,18 @@ class GUI_EXPORT QgisInterface : public QObject
//! Adds (opens) a project
virtual bool addProject( const QString &project ) = 0;
//! Starts a new blank project
virtual void newProject( bool promptToSaveFlag = false ) = 0;
/**
* Starts a new blank project.
*
* If \a promptToSaveFlag is TRUE then users will be prompted to save any currently open
* project (if that project has changes). If the flag is FALSE, then the current project will
* be closed without prompting to save (possibly resulting in data loss).
*
* Since QGIS 3.10.1, returns TRUE if a new project was created, or FALSE if the operation was not successful (e.g.
* the user opted to cancel when prompted to save the current project).
*/
virtual bool newProject( bool promptToSaveFlag = false ) = 0;
/**
* Triggered when connections have changed.