- First experiment with pango markup on the tree widget: it looks odd but it works!

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@935 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
elvez 2006-08-24 00:28:19 +00:00
parent 8c8ce4c818
commit dc09e6918c
3 changed files with 112 additions and 10 deletions

View File

@ -31,6 +31,8 @@
#include <iostream>
#include <sstream>
#include <glibmm/markup.h>
#include <gtk/gtk.h>
#include <gtkmm/entry.h>
#include <gtkmm/spinbutton.h>
@ -41,6 +43,12 @@ using namespace Gtk;
using namespace Glib;
using Gnome::Glade::Xml;
PropertyProxy_Base
SchedulablesTreeWidget::CellRendererTextMarkup::_property_renderable()
{
return Glib::PropertyProxy_Base(this, "markup");
}
SchedulablesTreeWidget::SchedulablesTreeWidget() :
_add_process_dialog_glade(Xml::create(GLADEDIR "/add-process-dialog.glade")),
_add_thread_dialog_glade(Xml::create(GLADEDIR "/add-thread-dialog.glade")),
@ -54,10 +62,13 @@ SchedulablesTreeWidget::SchedulablesTreeWidget() :
set_model(_model);
append_column("schedulables", _main_column);
//append_column("schedulables", _main_column);
//invisible
// append_column("handles", _types_column);
// append_column("handles", _handles_column);
int idx = append_column("schedulables", _cell_renderer) - 1;
Gtk::TreeViewColumn* tvc = get_column(idx);
tvc->set_cell_data_func(_cell_renderer, sigc::mem_fun(*this, &SchedulablesTreeWidget::_on_cell_name_data));
/** DIALOGS **/
_add_process_dialog_glade->get_widget("AddProcessDialog", _add_process_dialog);
@ -119,12 +130,19 @@ T*
SchedulablesTreeWidget::get_selected()
{
TreeModel::iterator sel = get_selection()->get_selected();
return get_row_handle_as<T>(sel);
}
if(!sel)
template <typename T>
T*
SchedulablesTreeWidget::get_row_handle_as(const Gtk::TreeModel::iterator& row)
{
if(!row)
return NULL;
const void* p_handle = (*sel)[_handles_column];
HandleType type = (*sel)[_types_column];
const void* p_handle = (*row)[_handles_column];
HandleType type = (*row)[_types_column];
if(!check_type<T>(type))
return NULL;
@ -137,12 +155,19 @@ SchedulablesTreeWidget::get_selection_type()
{
TreeModel::iterator sel = get_selection()->get_selected();
if(!sel)
return get_row_type(sel);
}
SchedulablesTreeWidget::HandleType
SchedulablesTreeWidget::get_row_type(const TreeModel::iterator& row)
{
if(!row)
return htype_undefined;
else
return (*sel)[_types_column];
return (*row)[_types_column];
}
bool
SchedulablesTreeWidget::on_button_press_event(GdkEventButton* event)
{
@ -406,3 +431,64 @@ SchedulablesTreeWidget::_on_remove_subrequest()
Simulation::get_instance().get_history().remove(owner);
}
void
SchedulablesTreeWidget::_on_cell_name_data(Gtk::CellRenderer* cr,
const Gtk::TreeModel::iterator& it)
{
CellRendererTextMarkup& crtm = reinterpret_cast<CellRendererTextMarkup&>(*cr);
ustring marked_up;
switch(get_row_type(it))
{
case htype_process:
marked_up = markup_process(*get_row_handle_as<Process>(it));
break;
default:
marked_up = "<small>";
marked_up += Markup::escape_text(it->get_value(_main_column));
marked_up += "</small>";
}
crtm.property_markup() = marked_up;
}
ustring
SchedulablesTreeWidget::markup_process(const Process& p)
{
using std::ostringstream;
using std::endl;
ustring color;
switch(p.get_state())
{
case Process::state_running:
color = "green";
break;
case Process::state_ready:
color = "yellow";
break;
case Process::state_blocked:
color = "red";
break;
case Process::state_terminated:
color = "grey";
break;
case Process::state_future:
color = "LightSeaGreen";
break;
}
ostringstream oss;
oss << "<b>" << Markup::escape_text(p.get_name()) <<
"</b> / arrived at: " << p.get_arrival_time() <<
" / base priority: " << p.get_base_priority() << endl;
oss << "<small>elapsed: " << p.get_elapsed_time() << "</small>" << endl;
oss << "<small>priority: " << p.get_current_priority() << "</small>";
// TODO I'm unable to set foreground color, why?
return ustring("<span background=\"") + color + "\">" + oss.str() + "</span>";
}

View File

@ -54,8 +54,7 @@ namespace sgpem
virtual void update(const History& history);
bool on_button_press_event(GdkEventButton* event);
virtual bool on_button_press_event(GdkEventButton* event);
private:
enum HandleType
@ -66,13 +65,24 @@ namespace sgpem
htype_subrequest,
htype_undefined
};
class CellRendererTextMarkup : public Gtk::CellRendererText
{
public:
Glib::PropertyProxy_Base _property_renderable();
};
template <typename T>
bool check_type(HandleType type);
template <typename T>
T* get_selected();
template <typename T>
T* get_row_handle_as(const Gtk::TreeModel::iterator& row);
HandleType get_selection_type();
HandleType get_row_type(const Gtk::TreeModel::iterator& row);
void _on_add_process();
void _on_add_thread();
@ -83,6 +93,11 @@ namespace sgpem
void _on_remove_request();
void _on_remove_subrequest();
void _on_cell_name_data(Gtk::CellRenderer* cr,
const Gtk::TreeModel::iterator& it);
Glib::ustring markup_process(const Process& p);
Glib::RefPtr<Gtk::TreeStore> _model;
Gtk::TreeModelColumnRecord _columns;
Gtk::TreeModelColumn<Glib::ustring> _main_column;
@ -95,6 +110,7 @@ namespace sgpem
Gtk::Dialog* _add_process_dialog;
Gtk::Dialog* _add_thread_dialog;
AddRequestDialog* _add_request_dialog;
CellRendererTextMarkup _cell_renderer;
};
} //~ namespace sgpem

View File

@ -488,7 +488,7 @@ void fillHistory(History &hist)
Thread& p1_t1 = hist.add_thread(Glib::ustring("P1 - Thread 1"), p1, 14, 0, 2);
// add a thread - name, parent, cpu time, arrival time, priority
// Thread& p1_t2 = hist.add_thread(Glib::ustring("P1 - Thread 2"), p1, 3, 0, 5);
Thread& p1_t2 = hist.add_thread(Glib::ustring("P1 - Thread 2"), p1, 8, 0, 5);
// add a thread - name, parent, cpu time, arrival time, priority
Thread& p2_t1 = hist.add_thread(Glib::ustring("P2 - Thread 1"), p2, 20, 0, 2);