moved row color definitions from ScratchpadWindow to ZebraTreeView class;
added detailed TreeView usage documentation to ZebraTreeView
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fgerlits
parent
c034ca25e2
commit
49db5f3c53
5 changed files with 84 additions and 23 deletions
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@ -22,7 +22,7 @@
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Author : $Author: fgerlits $
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Version : $Revision: 1.1 $
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Version : $Revision: 1.2 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/include/LiveSupport/Widgets/ZebraTreeModelColumnRecord.h,v $
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------------------------------------------------------------------------------*/
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@ -57,7 +57,7 @@ namespace Widgets {
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* A basic column record class for tree models with colorable rows.
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*
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* @author $Author: fgerlits $
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* @version $Revision: 1.1 $
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* @version $Revision: 1.2 $
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*/
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class ZebraTreeModelColumnRecord : public Gtk::TreeModelColumnRecord
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{
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@ -65,14 +65,14 @@ class ZebraTreeModelColumnRecord : public Gtk::TreeModelColumnRecord
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/**
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* The column for the color of the row.
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*/
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Gtk::TreeModelColumn<Colors::ColorName> colorColumn;
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Gtk::TreeModelColumn<int> rowNumberColumn;
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/**
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* Constructor.
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*/
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ZebraTreeModelColumnRecord(void) throw ()
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{
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add(colorColumn);
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add(rowNumberColumn);
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}
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};
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@ -22,7 +22,7 @@
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Author : $Author: fgerlits $
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Version : $Revision: 1.5 $
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Version : $Revision: 1.6 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/include/LiveSupport/Widgets/ZebraTreeView.h,v $
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------------------------------------------------------------------------------*/
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@ -69,10 +69,29 @@ using namespace LiveSupport::Core;
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/* =============================================================== data types */
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/**
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* A list of items, in rows colored alternately grey and light blue.
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* A table of items, in rows colored alternately gray and light blue.
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*
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* TreeView's contain TreeViewColumns; these contain a title (a text Label)
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* and a table column body (a CellRenderer). The CellRenderer needs to be
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* connected with a TreeModelColumn using the set_renderer() method of
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* TreeViewColumn [which, despite its name, does not set the renderer, just
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* connects it with a tree model column].
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*
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* A single TreeViewColumn may contain several CellRenderer's, i.e.,
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* sub-columns.
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*
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* The standard CellRenderer types (CellRendererText etc) can not be
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* instantiated by the user; they can only be created by the shortcut
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* TreeViewColumn constructor or the append_column() or insert_column()
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* functions in TreeView. These create the appropriate CellRenderer,
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* add it the tree view column, and connect it with the tree model column.
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*
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* A derived CellRenderer sub-type needs to be 1) instantiated;
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* 2) added to a TreeViewColumn using a constructor or pack_start() etc;
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* 3) connected with a TreeModelColumn using set_renderer().
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*
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* @author $Author: fgerlits $
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* @version $Revision: 1.5 $
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* @version $Revision: 1.6 $
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*/
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class ZebraTreeView : public Gtk::TreeView
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{
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@ -22,7 +22,7 @@
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Author : $Author: fgerlits $
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Version : $Revision: 1.1 $
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Version : $Revision: 1.2 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/src/ZebraCellRenderer.cxx,v $
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------------------------------------------------------------------------------*/
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@ -68,7 +68,7 @@ ZebraCellRenderer::ZebraCellRenderer() throw ()
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*----------------------------------------------------------------------------*/
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ZebraCellRenderer::~ZebraCellRenderer() throw ()
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{
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std::cerr << "### destructor\n";
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// std::cerr << "### destructor\n";
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}
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@ -82,12 +82,32 @@ ZebraCellRenderer::get_size_vfunc(Gtk::Widget& widget,
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int* width, int* height) const
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throw ()
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{
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std::cerr << "### get_size_vfunc()...\n";
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// call the parent method
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/*
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std::cerr << "### get_size_vfunc():"
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<< (cell_area ? cell_area->get_x() : -1) << ", "
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<< (cell_area ? cell_area->get_y() : -1) << "; "
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<< (cell_area ? cell_area->get_width() : -1) << ", "
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<< (cell_area ? cell_area->get_height() : -1) << "; "
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<< (x_offset ? *x_offset : -1) << ", "
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<< (y_offset ? *y_offset : -1) << " --- "
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<< (width ? *width : -1) << ", "
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<< (height ? *height : -1) << "\n";
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*/
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// call the parent method
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Gtk::CellRendererText::get_size_vfunc(widget, cell_area,
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x_offset, y_offset,
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width, height);
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std::cerr << "... done.\n";
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/*
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std::cerr << "... done: "
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<< (cell_area ? cell_area->get_x() : -1) << ", "
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<< (cell_area ? cell_area->get_y() : -1) << "; "
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<< (cell_area ? cell_area->get_width() : -1) << ", "
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<< (cell_area ? cell_area->get_height() : -1) << "; "
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<< (x_offset ? *x_offset : -1) << ", "
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<< (y_offset ? *y_offset : -1) << " --- "
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<< (width ? *width : -1) << ", "
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<< (height ? *height : -1) << "\n";
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*/
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/*
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enum { TOGGLE_WIDTH = 12 };
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@ -130,11 +150,26 @@ ZebraCellRenderer::render_vfunc(const Glib::RefPtr<Gdk::Drawable>& window,
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Gtk::CellRendererState flags)
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throw ()
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{
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std::cerr << "### render_vfunc()...\n";
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/*
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std::cerr << "### render_vfunc(): "
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<< widget.get_name() << " --- "
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<< background_area.get_x() << ", "
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<< background_area.get_y() << "; "
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<< background_area.get_width() << ", "
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<< background_area.get_height() << " -- "
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<< cell_area.get_x() << ", "
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<< cell_area.get_y() << "; "
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<< cell_area.get_width() << ", "
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<< cell_area.get_height() << "; "
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<< expose_area.get_x() << " -- "
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<< expose_area.get_y() << "; "
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<< expose_area.get_width() << ", "
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<< expose_area.get_height() << " -- "
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<< flags << "\n";
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*/
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// call the parent function
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Gtk::CellRendererText::render_vfunc(window, widget, background_area,
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cell_area, expose_area, flags);
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std::cerr << "... done.\n";
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/*
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const unsigned int cell_xpad = property_xpad();
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const unsigned int cell_ypad = property_ypad();
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@ -196,11 +231,18 @@ bool ZebraCellRenderer::activate_vfunc(GdkEvent* event,
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Gtk::CellRendererState flags)
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throw ()
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{
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std::cerr << "### activate_vfunc()...\n";
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/*
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std::cerr << "### activate_vfunc(): "
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<< widget.get_name() << ", "
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<< path << ", "
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// << background_area << ", "
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// << cell_area << ", "
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<< flags << "\n";
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// call the parent function
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Gtk::CellRendererText::activate_vfunc(event, widget, path,
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background_area, cell_area, flags);
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std::cerr << "... done.\n";
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*/
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/*
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if(property_activatable_)
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{
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@ -22,7 +22,7 @@
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Author : $Author: fgerlits $
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Version : $Revision: 1.5 $
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Version : $Revision: 1.6 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/src/ZebraTreeView.cxx,v $
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------------------------------------------------------------------------------*/
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@ -121,8 +121,9 @@ ZebraTreeView :: cellDataFunction(Gtk::CellRenderer* cell,
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throw ()
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{
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ZebraTreeModelColumnRecord model;
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Gdk::Color color = Colors::getColor((*iter)[model.colorColumn] );
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cell->property_cell_background_gdk() = color;
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Colors::ColorName colorName = (*iter)[model.rowNumberColumn] ?
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Colors::Gray :
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Colors::LightBlue;
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cell->property_cell_background_gdk() = Colors::getColor(colorName);
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}
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@ -22,7 +22,7 @@
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Author : $Author: fgerlits $
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Version : $Revision: 1.4 $
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Version : $Revision: 1.5 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/products/gLiveSupport/src/ScratchpadWindow.cxx,v $
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------------------------------------------------------------------------------*/
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@ -264,9 +264,8 @@ ScratchpadWindow :: showContents(void) throw ()
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default:
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break;
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}
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row[modelColumns.titleColumn] = *playable->getTitle();
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row[modelColumns.colorColumn] = rowNumber % 2 ? Colors::Gray
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: Colors::LightBlue;
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row[modelColumns.titleColumn] = *playable->getTitle();
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row[modelColumns.rowNumberColumn] = rowNumber;
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++it;
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++rowNumber;
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