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oxygen-gtk2
fix-crash-about-invalid-columns.patch
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File fix-crash-about-invalid-columns.patch of Package oxygen-gtk2
From ef3c0cdfa18a6f612e5ba84e42bcd288374669fb Mon Sep 17 00:00:00 2001 From: Hugo Pereira Da Costa <hugo.pereira.da.costa@gmail.com> Date: Thu, 6 Apr 2017 17:32:51 +0200 Subject: Patch from Matt Whitlock to fix crash in ecclipse about invalid columns. BUG: 338012 --- src/oxygengtkcellinfo.cpp | 78 +++++++++++++++++++---------------------------- src/oxygengtkcellinfo.h | 22 ++++++++----- 2 files changed, 46 insertions(+), 54 deletions(-) diff --git a/src/oxygengtkcellinfo.cpp b/src/oxygengtkcellinfo.cpp index 52e0d34..8118143 100644 --- a/src/oxygengtkcellinfo.cpp +++ b/src/oxygengtkcellinfo.cpp @@ -31,38 +31,41 @@ namespace Oxygen //____________________________________________________________________________ Gtk::CellInfo::CellInfo( GtkTreeView* treeView, int x, int y, int w, int h ): _path(0L), - _column(0L) + _column(-1) { + GtkTreeViewColumn *column( 0L ); /* four attempts are made to get the path from any corner of the rectangle passed in arguments. This is necessary to handle half-hidden cells */ - gtk_tree_view_get_path_at_pos( treeView, (gint)x+1, (gint)y+1, &_path, &_column, 0L, 0L ); - - if( !_path ) gtk_tree_view_get_path_at_pos( treeView, (gint)x+1, (gint)y+h-1, &_path, &_column, 0L, 0L ); - else return; - - if( !_path ) gtk_tree_view_get_path_at_pos( treeView, (gint)x+w-1, (gint)y+1, &_path, &_column, 0L, 0L ); - else return; - - if( !_path ) gtk_tree_view_get_path_at_pos( treeView, (gint)x+w-1, (gint)y+h-1, &_path, &_column, 0L, 0L ); - else return; + gtk_tree_view_get_path_at_pos( treeView, (gint)x+1, (gint)y+1, &_path, &column, 0L, 0L ); + if( !_path ) { + gtk_tree_view_get_path_at_pos( treeView, (gint)x+1, (gint)y+h-1, &_path, &column, 0L, 0L ); + if( !_path ) { + gtk_tree_view_get_path_at_pos( treeView, (gint)x+w-1, (gint)y+1, &_path, &column, 0L, 0L ); + if( !_path ) { + gtk_tree_view_get_path_at_pos( treeView, (gint)x+w-1, (gint)y+h-1, &_path, &column, 0L, 0L ); + if( !_path ) return; + } + } + } + _column = indexOfColumn( treeView, column ); } //____________________________________________________________________________ bool Gtk::CellInfo::isLastVisibleColumn( GtkTreeView* treeView ) const { - bool isLast( false ); + bool isLast( true ); GList* columns( gtk_tree_view_get_columns( treeView ) ); - for( GList *child = g_list_last( columns ); child; child = g_list_previous( child ) ) + for( GList *child = g_list_nth( columns, _column ); ( child = g_list_next( child ) ); ) { if( !GTK_IS_TREE_VIEW_COLUMN( child->data ) ) continue; GtkTreeViewColumn* column( GTK_TREE_VIEW_COLUMN( child->data ) ); if( gtk_tree_view_column_get_visible( column ) ) { - isLast = (_column == column ); + isLast = false; break; } @@ -75,15 +78,15 @@ namespace Oxygen //____________________________________________________________________________ bool Gtk::CellInfo::isFirstVisibleColumn( GtkTreeView* treeView ) const { - bool isFirst( false ); + bool isFirst( true ); GList* columns( gtk_tree_view_get_columns( treeView ) ); - for( GList *child = g_list_first( columns ); child; child = g_list_next( child ) ) + for( GList *child = g_list_nth( columns, _column ); ( child = g_list_previous( child ) ); ) { if( !GTK_IS_TREE_VIEW_COLUMN( child->data ) ) continue; GtkTreeViewColumn* column( GTK_TREE_VIEW_COLUMN( child->data ) ); if( gtk_tree_view_column_get_visible( column ) ) { - isFirst= (_column == column ); + isFirst = false; break; } @@ -98,34 +101,7 @@ namespace Oxygen { // check expander column GtkTreeViewColumn* expanderColumn( gtk_tree_view_get_expander_column( treeView ) ); - if( !expanderColumn || _column == expanderColumn ) return false; - - bool found( false ); - bool isLeft( false ); - - // get all columns - GList* columns( gtk_tree_view_get_columns( treeView ) ); - for( GList *child = g_list_first( columns ); child; child = g_list_next( child ) ) - { - if( !GTK_IS_TREE_VIEW_COLUMN( child->data ) ) continue; - GtkTreeViewColumn* column( GTK_TREE_VIEW_COLUMN( child->data ) ); - if( column == expanderColumn ) - { - if( found ) - { - - isLeft = true; - break; - - } else break; - - } else if( found ) break; - else if( column == _column ) found = true; - - } - - if( columns ) g_list_free( columns ); - return isLeft; + return expanderColumn && _column < indexOfColumn( treeView, expanderColumn ); } @@ -203,13 +179,23 @@ namespace Oxygen { GdkRectangle out( Gtk::gdk_rectangle() ); if( treeView && isValid() ) - { gtk_tree_view_get_background_area( treeView, _path, _column, &out ); } + { gtk_tree_view_get_background_area( treeView, _path, gtk_tree_view_get_column( treeView, _column ), &out ); } return out; } //____________________________________________________________________________ + gint Gtk::CellInfo::indexOfColumn( GtkTreeView* treeView, GtkTreeViewColumn* column ) + { + GList* columns( gtk_tree_view_get_columns( treeView ) ); + if( !columns ) return -1; + gint index( g_list_index( columns, column ) ); + g_list_free( columns ); + return index; + } + + //____________________________________________________________________________ Gtk::CellInfoFlags::CellInfoFlags( GtkTreeView* treeView, const CellInfo& cellInfo ): _depth( cellInfo.depth() ), _expanderSize(0), diff --git a/src/oxygengtkcellinfo.h b/src/oxygengtkcellinfo.h index 919d020..58dd441 100644 --- a/src/oxygengtkcellinfo.h +++ b/src/oxygengtkcellinfo.h @@ -47,7 +47,7 @@ namespace Oxygen //! empty constructor explicit CellInfo( void ): _path( 0L ), - _column( 0L ) + _column( -1 ) {} //! copy constructor @@ -60,8 +60,12 @@ namespace Oxygen /*! unfortunately the path retrieval does not always work because x and y must be positive */ explicit CellInfo( GtkTreeView* treeView, int x, int y ): _path(0L), - _column(0L) - { gtk_tree_view_get_path_at_pos( treeView, x, y, &_path, &_column, 0L, 0L ); } + _column(-1) + { + GtkTreeViewColumn *column( 0L ); + gtk_tree_view_get_path_at_pos( treeView, x, y, &_path, &column, 0L, 0L ); + _column = indexOfColumn( treeView, column ); + } //! construct from tree view and rectangle explicit CellInfo( GtkTreeView* treeView, int x, int y, int w, int h ); @@ -92,7 +96,7 @@ namespace Oxygen { if( _path ) gtk_tree_path_free( _path ); _path = 0L; - _column = 0L; + _column = -1; } //!@name accessors @@ -100,7 +104,7 @@ namespace Oxygen //! true if valid bool isValid( void ) const - { return _path && _column; } + { return _path && _column >= 0; } //! returns true if column is the last one bool isLastVisibleColumn( GtkTreeView* ) const; @@ -110,7 +114,7 @@ namespace Oxygen //! returns true if column is the one that contains expander bool isExpanderColumn( GtkTreeView* treeView ) const - { return _column == gtk_tree_view_get_expander_column( treeView ); } + { return _column >= 0 && _column == indexOfColumn( treeView, gtk_tree_view_get_expander_column( treeView ) ); } //! returs true if column is let of expander column bool isLeftOfExpanderColumn( GtkTreeView* ) const; @@ -152,8 +156,8 @@ namespace Oxygen //! path GtkTreePath* _path; - //! column - GtkTreeViewColumn* _column; + //! column index + gint _column; //! streamer friend std::ostream& operator << (std::ostream& out, const CellInfo& info ) @@ -168,6 +172,8 @@ namespace Oxygen return out; } + static gint indexOfColumn( GtkTreeView*, GtkTreeViewColumn* ); + }; //! cell info flags -- cgit v0.11.2
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